/* roulang page: index */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary-deep);
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 800;
        }
        h2 {
            font-size: 1.85rem;
            font-weight: 700;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 700;
        }

        p {
            margin-bottom: 0.85em;
            line-height: 1.8;
        }
        p:last-child {
            margin-bottom: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }
        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
        }
        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }
        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }
        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links__item:hover i {
            color: var(--color-accent);
        }
        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links__item--active i {
            color: #fff;
        }
        .nav-links__item--active:hover {
            background: var(--color-primary-deep);
            color: #fff;
            border-color: var(--color-primary-deep);
        }
        .nav-cta {
            flex-shrink: 0;
            padding: 10px 20px;
            background: var(--color-emphasis);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: #c85d20;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(228, 111, 43, 0.3);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }
        .nav-hamburger {
            display: none;
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary);
            background: transparent;
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        /* Mobile nav panel */
        .nav-mobile-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--color-surface);
            z-index: 2000;
            flex-direction: column;
            padding: 20px;
            gap: 10px;
            overflow-y: auto;
        }
        .nav-mobile-panel--open {
            display: flex;
        }
        .nav-mobile-panel__header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }
        .nav-mobile-panel__close {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg);
            cursor: pointer;
        }
        .nav-mobile-panel__item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .nav-mobile-panel__item i {
            font-size: 1.1rem;
            color: var(--color-accent);
            width: 24px;
            text-align: center;
        }
        .nav-mobile-panel__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-mobile-panel__item--active i {
            color: #fff;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            padding: 56px 0 64px;
            background: linear-gradient(170deg, #f9f7f3 0%, #f0ede6 40%, #e8e4db 100%);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 155, 60, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(15, 43, 60, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero__container {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .hero__text {
            flex: 1 1 480px;
            min-width: 300px;
        }
        .hero__label {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .hero__title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-primary-deep);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero__title span {
            color: var(--color-emphasis);
        }
        .hero__desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--color-emphasis);
            color: #fff;
            border: 2px solid var(--color-emphasis);
        }
        .btn--primary:hover {
            background: #c85d20;
            border-color: #c85d20;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(228, 111, 43, 0.35);
        }
        .btn--primary:active {
            transform: scale(0.97);
        }
        .btn--outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn--outline:hover {
            background: var(--color-primary);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(15, 43, 60, 0.2);
        }
        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }
        .btn--accent:hover {
            background: #b8862e;
            border-color: #b8862e;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 155, 60, 0.35);
        }
        .btn--lg {
            padding: 15px 32px;
            font-size: 1.05rem;
            border-radius: 14px;
        }
        .hero__trust {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .hero__trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero__trust i {
            color: var(--color-accent);
        }
        .hero__visual {
            flex: 1 1 420px;
            min-width: 300px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero__compare-cards {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-compare-card {
            flex: 1 1 140px;
            min-width: 130px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            border: 2px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .hero-compare-card--featured {
            border-color: var(--color-accent);
            background: #fffdf7;
            box-shadow: 0 12px 32px rgba(212, 155, 60, 0.2);
            transform: translateY(-8px);
            z-index: 2;
            order: -1;
        }
        .hero-compare-card__badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-emphasis);
            color: #fff;
            padding: 4px 14px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .hero-compare-card__icon {
            font-size: 2rem;
            margin-bottom: 8px;
            color: var(--color-accent);
        }
        .hero-compare-card--featured .hero-compare-card__icon {
            color: var(--color-emphasis);
        }
        .hero-compare-card__title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--color-primary-deep);
        }
        .hero-compare-card__desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .hero-compare-card__btn {
            display: inline-block;
            margin-top: 10px;
            padding: 8px 18px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .hero-compare-card--featured .hero-compare-card__btn {
            background: var(--color-emphasis);
        }
        .hero-compare-card__btn:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #fff;
        }
        .hero__bg-img {
            position: absolute;
            right: 0;
            top: 0;
            width: 45%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
            border-radius: 0 0 0 60px;
        }

        /* ========== SECTIONS ========== */
        section {
            padding: 60px 0;
        }
        .section--alt {
            background: var(--color-surface);
        }
        .section--dark {
            background: var(--color-primary);
            color: #fff;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #fff;
        }
        .section--dark .section__subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .section__header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-emphasis);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section__title {
            font-size: 1.85rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .section__subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== SELLING POINTS ========== */
        .selling-points__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .sp-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .sp-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .sp-card--large {
            grid-row: span 2;
            padding: 36px 28px;
            background: linear-gradient(160deg, #fffdf7 0%, #fff 60%);
            border-color: rgba(212, 155, 60, 0.25);
        }
        .sp-card__icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(212, 155, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .sp-card--large .sp-card__icon {
            font-size: 2.8rem;
            width: 68px;
            height: 68px;
            background: rgba(228, 111, 43, 0.1);
            color: var(--color-emphasis);
        }
        .sp-card__title {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary-deep);
        }
        .sp-card--large .sp-card__title {
            font-size: 1.4rem;
        }
        .sp-card__desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .sp-card__link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-emphasis);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .sp-card__link:hover {
            gap: 10px;
            text-decoration: none;
            color: #c85d20;
        }
        .sp-card__img {
            width: 100%;
            border-radius: var(--radius-md);
            object-fit: cover;
            height: 160px;
            margin-top: 8px;
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-item:hover {
            background: rgba(15, 43, 60, 0.02);
            padding-left: 8px;
            border-radius: 6px;
            margin-left: -8px;
            padding-right: 8px;
            margin-right: -8px;
        }
        .news-item__date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
            min-width: 85px;
            padding-top: 2px;
        }
        .news-item__content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-primary-deep);
        }
        .news-item__content p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .news-item__btn {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-emphasis);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .news-item__btn:hover {
            color: #c85d20;
            text-decoration: none;
            gap: 8px;
        }
        .news-sidebar {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .news-sidebar h3 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
        }
        .news-sidebar__list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar__list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .news-sidebar__list li a:hover {
            background: var(--color-bg);
            color: var(--color-emphasis);
            text-decoration: none;
        }
        .news-sidebar__list li a i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        /* ========== SCENE DEMO ========== */
        .scene-demo {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .scene-demo__img {
            flex: 1 1 420px;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-demo__img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .scene-demo__text {
            flex: 1 1 400px;
            min-width: 280px;
        }
        .scene-demo__text h2 {
            margin-bottom: 12px;
        }
        .scene-demo__text p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .scene-demo__list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .scene-demo__list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.6;
        }
        .scene-demo__list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .proof-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .proof-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .proof-card__number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-emphasis);
            font-family: var(--font-serif);
            line-height: 1;
            margin-bottom: 6px;
        }
        .proof-card__label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .proof-card__icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro__text {
            flex: 1 1 500px;
            min-width: 280px;
        }
        .brand-intro__text h2 {
            margin-bottom: 16px;
        }
        .brand-intro__text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .brand-intro__img {
            flex: 1 1 350px;
            min-width: 250px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .brand-intro__img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            align-items: flex-start;
        }
        .deep-content__main {
            flex: 1 1 550px;
            min-width: 280px;
        }
        .deep-content__main h2 {
            margin-bottom: 16px;
            font-size: 1.7rem;
        }
        .deep-content__main p {
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
            font-size: 0.98rem;
        }
        .deep-content__sidebar {
            flex: 1 1 300px;
            min-width: 250px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }
        .deep-content__sidebar h3 {
            margin-bottom: 12px;
            font-size: 1.15rem;
        }
        .deep-content__sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .deep-content__sidebar ul li {
            padding: 10px 14px;
            background: var(--color-bg);
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .deep-content__sidebar ul li i {
            color: var(--color-accent);
        }
        .deep-content__sidebar ul li:hover {
            background: rgba(212, 155, 60, 0.08);
        }

        /* ========== MILESTONE ========== */
        .milestone-timeline {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
        }
        .milestone-timeline::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: var(--color-border);
            border-radius: 2px;
            z-index: 0;
        }
        .milestone-item {
            flex: 1 1 140px;
            min-width: 120px;
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--color-bg);
            padding: 16px 12px;
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }
        .milestone-item__dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            margin: 0 auto 12px;
            position: relative;
            z-index: 2;
            border: 4px solid var(--color-bg);
            box-shadow: 0 0 0 4px var(--color-border);
        }
        .milestone-item__year {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--color-primary-deep);
            font-family: var(--font-serif);
        }
        .milestone-item__desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ========== LIVE PREVIEW ========== */
        .live-preview {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            align-items: center;
            background: linear-gradient(135deg, #1a3a4a 0%, #0F2B3C 60%, #0B1F2C 100%);
            border-radius: var(--radius-xl);
            padding: 40px;
            color: #fff;
            overflow: hidden;
            position: relative;
        }
        .live-preview::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(228, 111, 43, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .live-preview__info {
            flex: 1 1 350px;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .live-preview__info h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .live-preview__info .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #e74c3c;
            color: #fff;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            animation: pulse-live 2s infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .live-preview__countdown {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 16px 0;
        }
        .countdown-block {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            text-align: center;
            min-width: 55px;
        }
        .countdown-block__num {
            font-size: 1.6rem;
            font-weight: 800;
            font-family: var(--font-serif);
            line-height: 1;
        }
        .countdown-block__label {
            font-size: 0.7rem;
            opacity: 0.8;
            margin-top: 2px;
        }
        .live-preview__list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin: 16px 0;
        }
        .live-preview__list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .live-preview__list li i {
            color: var(--color-accent);
        }
        .live-preview__cover {
            flex: 1 1 300px;
            min-width: 240px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            position: relative;
            z-index: 1;
        }
        .live-preview__cover img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ========== APP DOWNLOAD ========== */
        .app-download {
            display: flex;
            gap: 36px;
            align-items: center;
            flex-wrap: wrap;
        }
        .app-download__text {
            flex: 1 1 400px;
            min-width: 260px;
        }
        .app-download__text h2 {
            margin-bottom: 12px;
        }
        .app-download__text p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .app-download__btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .app-download__btns .btn {
            padding: 12px 22px;
            font-size: 0.9rem;
        }
        .app-download__img {
            flex: 1 1 280px;
            min-width: 200px;
            text-align: center;
        }
        .app-download__img img {
            max-width: 240px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            margin: 0 auto;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(15, 43, 60, 0.04);
        }
        .faq-item__question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary-deep);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            background: transparent;
            border: none;
            transition: all var(--transition-fast);
        }
        .faq-item__question:hover {
            background: rgba(15, 43, 60, 0.03);
        }
        .faq-item__question i {
            transition: transform var(--transition-smooth);
            color: var(--color-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item--open .faq-item__question i {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .faq-item--open .faq-item__answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0F2B3C 0%, #163a4f 50%, #0B1F2C 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(212, 155, 60, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== ABOUT SECTION ========== */
        .about-section {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            align-items: center;
        }
        .about-section__text {
            flex: 1 1 450px;
            min-width: 260px;
        }
        .about-section__text h2 {
            margin-bottom: 14px;
        }
        .about-section__text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .about-section__stats {
            flex: 1 1 300px;
            min-width: 240px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .about-stat {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .about-stat:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .about-stat__num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-emphasis);
            font-family: var(--font-serif);
        }
        .about-stat__label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== BOTTOM STICKY BAR ========== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            box-shadow: var(--shadow-bottom-bar);
            z-index: 999;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            min-height: var(--bottom-bar-height);
        }
        .bottom-sticky-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-deep);
            text-align: center;
        }
        .bottom-sticky-bar .btn {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
            padding-left: 4px;
        }
        .footer-col__brand {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom__links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero__container {
                gap: 32px;
            }
            .hero__title {
                font-size: 2.2rem;
            }
            .selling-points__grid {
                grid-template-columns: 1fr 1fr;
            }
            .sp-card--large {
                grid-column: span 2;
                grid-row: span 1;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .social-proof__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .milestone-timeline::before {
                left: 5%;
                right: 5%;
            }
            .hero__bg-img {
                width: 35%;
                opacity: 0.12;
            }
        }
        @media (max-width: 768px) {
            .site-nav__inner {
                padding: 8px 14px;
                gap: 6px;
            }
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .hero {
                padding: 36px 0 44px;
                min-height: auto;
            }
            .hero__title {
                font-size: 1.7rem;
            }
            .hero__desc {
                font-size: 0.9rem;
            }
            .hero__container {
                flex-direction: column;
                gap: 24px;
            }
            .hero__compare-cards {
                flex-direction: column;
            }
            .hero-compare-card--featured {
                transform: translateY(0);
                order: 0;
            }
            .hero__bg-img {
                display: none;
            }
            .selling-points__grid {
                grid-template-columns: 1fr;
            }
            .sp-card--large {
                grid-column: span 1;
            }
            .social-proof__grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .scene-demo {
                flex-direction: column;
                gap: 24px;
            }
            .scene-demo__img img {
                height: 240px;
            }
            .brand-intro {
                flex-direction: column;
                gap: 24px;
            }
            .brand-intro__img img {
                height: 220px;
            }
            .deep-content {
                flex-direction: column;
            }
            .milestone-timeline {
                flex-direction: column;
                gap: 0;
            }
            .milestone-timeline::before {
                display: none;
            }
            .milestone-item {
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
                padding: 12px;
            }
            .milestone-item__dot {
                margin: 0;
                flex-shrink: 0;
            }
            .live-preview {
                flex-direction: column;
                padding: 28px 20px;
            }
            .live-preview__cover img {
                height: 200px;
            }
            .app-download {
                flex-direction: column;
                text-align: center;
            }
            .app-download__btns {
                justify-content: center;
            }
            .about-section {
                flex-direction: column;
            }
            .about-section__stats {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .bottom-sticky-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                min-height: auto;
            }
            section {
                padding: 40px 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .hero-compare-card {
                min-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero__title {
                font-size: 1.5rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .btn--lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .social-proof__grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .proof-card {
                padding: 18px 12px;
            }
            .proof-card__number {
                font-size: 1.6rem;
            }
            .hero__trust {
                gap: 12px;
                font-size: 0.75rem;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-item__date {
                min-width: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom__links {
                justify-content: center;
            }
            .countdown-block {
                min-width: 44px;
                padding: 8px 10px;
            }
            .countdown-block__num {
                font-size: 1.2rem;
            }
        }

/* roulang page: category2 */
/* ========== DESIGN SYSTEM ========== */
:root {
  --color-primary: #0F2B3C;
  --color-primary-deep: #0B1F2C;
  --color-accent: #D49B3C;
  --color-emphasis: #E46F2B;
  --color-bg: #F5F2EC;
  --color-surface: #FFFFFF;
  --color-text: #1B1B1B;
  --color-text-muted: #66707A;
  --color-border: rgba(15, 43, 60, 0.12);
  --color-border-light: rgba(15, 43, 60, 0.07);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
  --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
  --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
  --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1240px;
  --nav-height: 72px;
  --bottom-bar-height: 68px;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  padding-bottom: var(--bottom-bar-height);
  position: relative;
  font-weight: 400;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

a:hover {
  color: var(--color-emphasis);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-emphasis);
  outline-offset: 3px;
  border-radius: 4px;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

button:focus-visible {
  outline: 2px solid var(--color-emphasis);
  outline-offset: 3px;
  border-radius: 4px;
}

input {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== NAVIGATION ========== */
.site-nav {
  position: sticky;
  top: 14px;
  z-index: 1000;
  padding: 0 14px;
  pointer-events: none;
}

.site-nav__inner {
  pointer-events: auto;
  max-width: var(--max-width);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-nav);
  display: flex;
  align-items: center;
  padding: 10px 20px;
  gap: 8px;
  border: 1px solid var(--color-border-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-primary-deep);
  white-space: nowrap;
  letter-spacing: 0.03em;
  flex-shrink: 0;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo:hover {
  color: var(--color-emphasis);
  text-decoration: none;
}

.nav-logo i {
  color: var(--color-accent);
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.nav-links__item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
}

.nav-links__item i {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav-links__item:hover {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links__item:hover i {
  color: var(--color-accent);
}

.nav-links__item--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}

.nav-links__item--active i {
  color: #fff;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-emphasis);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.nav-cta:hover {
  background: #D15F1E;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(228, 111, 43, 0.3);
}

.nav-cta:active {
  transform: scale(0.97);
}

.nav-hamburger {
  display: none;
  font-size: 1.4rem;
  color: var(--color-primary);
  padding: 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.nav-hamburger:hover {
  background: var(--color-bg);
}

/* ========== HERO ========== */
.hero-section {
  position: relative;
  padding: 64px 0 72px;
  background: linear-gradient(135deg, rgba(15, 43, 60, 0.92) 0%, rgba(11, 31, 44, 0.88) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin: 0 14px 40px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 155, 60, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 155, 60, 0.2);
  border: 1px solid rgba(212, 155, 60, 0.4);
  border-radius: 25px;
  color: #D49B3C;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-section h1 {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.hero-section h1 span {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(212, 155, 60, 0.5);
  text-underline-offset: 6px;
}

.hero-section .hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-emphasis);
  color: #fff;
  border-color: var(--color-emphasis);
}

.btn-primary:hover {
  background: #D15F1E;
  border-color: #D15F1E;
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(228, 111, 43, 0.35);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.97);
}

/* ========== SECTIONS ========== */
.section {
  padding: 56px 0;
}

.section--alt {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  margin: 0 14px;
  box-shadow: var(--shadow-card);
}

.section__head {
  text-align: left;
  margin-bottom: 40px;
}

.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-emphasis);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  line-height: 1.4;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 650px;
}

/* ========== ASYMMETRIC TWO-COLUMN ========== */
.asymmetric-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

.asymmetric-grid__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.asymmetric-grid__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  transition: transform 0.6s ease;
}

.asymmetric-grid__image:hover img {
  transform: scale(1.03);
}

.asymmetric-grid__image-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(15, 43, 60, 0.85);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.asymmetric-grid__content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  line-height: 1.45;
  margin-bottom: 16px;
}

.asymmetric-grid__content p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 18px;
}

.asymmetric-grid__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.asymmetric-grid__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}

.asymmetric-grid__list li i {
  color: var(--color-accent);
  font-size: 1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ========== COMPOSITE INFO LIST ========== */
.composite-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 8px rgba(15, 43, 60, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}

.info-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(212, 155, 60, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.info-card__number {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.info-card__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.info-card__title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ========== DATA HIGHLIGHTS ========== */
.data-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.data-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 16px rgba(15, 43, 60, 0.05);
  transition: all var(--transition-smooth);
}

.data-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(212, 155, 60, 0.3);
}

.data-card__icon {
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.data-card__value {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.data-card__unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.data-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ========== DEEP CONTENT ========== */
.deep-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.deep-content__block {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 16px rgba(15, 43, 60, 0.05);
}

.deep-content__block h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  margin-bottom: 14px;
  line-height: 1.4;
}

.deep-content__block p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 12px;
}

.deep-content__block p:last-child {
  margin-bottom: 0;
}

/* ========== PROCESS ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
}

.process-step {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  text-align: center;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 16px rgba(15, 43, 60, 0.04);
  transition: all var(--transition-smooth);
  position: relative;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}

.process-step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.process-step__title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 6px;
}

.process-step__desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 800px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(15, 43, 60, 0.03);
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(212, 155, 60, 0.3);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: transparent;
  transition: background var(--transition-fast);
  gap: 12px;
}

.faq-item__question:hover {
  background: rgba(245, 242, 236, 0.5);
}

.faq-item__question i {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-item--open .faq-item__question i {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item--open .faq-item__answer {
  max-height: 400px;
  padding: 0 22px 20px;
}

.faq-item__answer p {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  border-radius: var(--radius-xl);
  margin: 0 14px;
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 155, 60, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-section .btn {
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  padding: 15px 36px;
}

/* ========== BOTTOM STICKY BAR ========== */
.bottom-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-bottom-bar);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  height: var(--bottom-bar-height);
}

.bottom-sticky-bar__text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
}

.bottom-sticky-bar .btn {
  padding: 10px 22px;
  font-size: 0.9rem;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-primary-deep);
  color: #fff;
  padding: 48px 0 24px;
  margin-top: 40px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col__brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.footer-bottom__links a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color var(--transition-fast);
}

.footer-bottom__links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .asymmetric-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .composite-info {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-highlights {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-highlights .data-card:last-child {
    grid-column: span 2;
  }

  .deep-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .hero-section h1 {
    font-size: 2.1rem;
  }

  .nav-links {
    gap: 3px;
  }

  .nav-links__item {
    padding: 7px 10px;
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .site-nav__inner {
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 6px;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    order: 10;
    gap: 4px;
    padding-top: 8px;
  }

  .nav-links--open {
    display: flex;
  }

  .nav-links__item {
    width: 100%;
    justify-content: flex-start;
    padding: 11px 14px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
  }

  .nav-hamburger {
    display: block;
    margin-left: auto;
  }

  .nav-cta {
    display: none;
  }

  .nav-cta--mobile {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    order: 11;
    margin-top: 6px;
    border-radius: var(--radius-sm);
  }

  .hero-section {
    margin: 0 8px 24px;
    padding: 40px 0 48px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .hero-section h1 {
    font-size: 1.7rem;
  }

  .hero-section .hero-desc {
    font-size: 0.95rem;
  }

  .section {
    padding: 36px 0;
  }

  .section--alt {
    margin: 0 8px;
  }

  .section__title {
    font-size: 1.5rem;
  }

  .composite-info {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .data-highlights {
    grid-template-columns: 1fr;
  }

  .data-highlights .data-card:last-child {
    grid-column: span 1;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .cta-section {
    margin: 0 8px;
    padding: 40px 20px;
  }

  .cta-section h2 {
    font-size: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .bottom-sticky-bar {
    flex-direction: column;
    gap: 8px;
    height: auto;
    padding: 12px 16px;
  }

  .bottom-sticky-bar__text {
    font-size: 0.85rem;
    text-align: center;
  }

  .deep-content {
    grid-template-columns: 1fr;
  }

  .asymmetric-grid__image-badge {
    bottom: 10px;
    left: 10px;
    font-size: 0.7rem;
    padding: 6px 12px;
  }

  .btn {
    padding: 11px 20px;
    font-size: 0.9rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .composite-info {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .hero-section h1 {
    font-size: 1.45rem;
  }

  .section__title {
    font-size: 1.3rem;
  }

  .data-card {
    padding: 24px 16px;
  }

  .data-card__value {
    font-size: 1.8rem;
  }

  .info-card {
    padding: 18px 14px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-bottom__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* roulang page: category3 */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary-deep);
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: 0.02em;
        }

        h2 {
            font-size: 1.85rem;
            letter-spacing: 0.01em;
        }

        h3 {
            font-size: 1.35rem;
        }

        h4 {
            font-size: 1.1rem;
            font-family: var(--font-sans);
            font-weight: 600;
        }

        p {
            margin-bottom: 1em;
            color: var(--color-text);
            line-height: 1.8;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-links__item:hover i {
            color: var(--color-accent);
        }

        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links__item--active i {
            color: #fff;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-emphasis);
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: 2px solid transparent;
        }

        .nav-cta:hover {
            background: #c85a1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(228, 111, 43, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        /* ========== HERO - Creator Style ========== */
        .hero-creator {
            padding: 40px 20px 60px;
            position: relative;
        }

        .hero-creator__card {
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .hero-creator__banner {
            position: relative;
            height: 220px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 0 40px;
        }

        .hero-creator__banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(15, 43, 60, 0.15) 0%, rgba(15, 43, 60, 0.55) 100%);
            z-index: 1;
        }

        .hero-creator__avatar-row {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            gap: 20px;
            transform: translateY(40px);
        }

        .hero-creator__avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 4px solid var(--color-surface);
            box-shadow: 0 6px 20px rgba(15, 43, 60, 0.25);
            flex-shrink: 0;
        }

        .hero-creator__avatar i {
            font-size: 2.6rem;
            color: #fff;
        }

        .hero-creator__name-tag {
            position: relative;
            z-index: 2;
            padding-bottom: 8px;
        }

        .hero-creator__name-tag h1 {
            font-size: 1.8rem;
            color: #fff;
            margin: 0;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            font-weight: 800;
            letter-spacing: 0.04em;
        }

        .hero-creator__name-tag span {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 400;
        }

        .hero-creator__body {
            padding: 60px 40px 40px;
            position: relative;
            z-index: 1;
        }

        .hero-creator__stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-creator__stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 12px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            min-width: 100px;
        }

        .hero-creator__stat-num {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-emphasis);
            line-height: 1.2;
        }

        .hero-creator__stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .hero-creator__desc {
            font-size: 1.05rem;
            color: var(--color-text);
            line-height: 1.8;
            max-width: 700px;
            margin-bottom: 20px;
        }

        .hero-creator__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--color-emphasis);
            color: #fff;
            border-color: var(--color-emphasis);
        }

        .btn--primary:hover {
            background: #c85a1f;
            border-color: #c85a1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(228, 111, 43, 0.35);
        }

        .btn--primary:active {
            transform: scale(0.98);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        .btn--outline:hover {
            background: var(--color-bg);
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(15, 43, 60, 0.1);
        }

        .btn--outline:active {
            transform: scale(0.98);
        }

        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn--accent:hover {
            background: #b8852f;
            border-color: #b8852f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(212, 155, 60, 0.35);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 20px;
        }

        .section--alt {
            background: var(--color-surface);
        }

        .section--dark {
            background: var(--color-primary);
            color: #fff;
        }

        .section--dark h2,
        .section--dark h3 {
            color: #fff;
        }

        .section--dark p {
            color: rgba(255, 255, 255, 0.85);
        }

        .section__header {
            margin-bottom: 40px;
        }

        .section__header h2 {
            margin-bottom: 10px;
        }

        .section__header p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 650px;
        }

        .section--dark .section__header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== RESOURCE CARDS - Asymmetric ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .resource-grid__large {
            grid-row: 1 / 3;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .resource-grid__large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .resource-grid__large-img {
            height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .resource-grid__large-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.9), transparent);
            z-index: 1;
        }

        .resource-grid__large-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .resource-grid__large-body h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--color-primary-deep);
        }

        .resource-grid__large-body p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .resource-grid__tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(212, 155, 60, 0.15);
            color: var(--color-accent);
            margin-bottom: 12px;
            width: fit-content;
        }

        .resource-grid__small {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .resource-grid__small:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .resource-grid__small-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-accent);
        }

        .resource-grid__small-content h4 {
            margin-bottom: 4px;
            font-size: 1rem;
            color: var(--color-primary-deep);
        }

        .resource-grid__small-content p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== HOT RESOURCES ========== */
        .hot-resources {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .hot-resources__list {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 28px;
        }

        .hot-resources__list h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            color: var(--color-primary-deep);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-resources__list h3 i {
            color: var(--color-emphasis);
        }

        .hot-resource-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
        }

        .hot-resource-item:last-child {
            border-bottom: none;
        }

        .hot-resource-item:hover {
            background: var(--color-bg);
        }

        .hot-resource-item__rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hot-resource-item:nth-child(1) .hot-resource-item__rank {
            background: var(--color-emphasis);
        }

        .hot-resource-item:nth-child(2) .hot-resource-item__rank {
            background: var(--color-accent);
        }

        .hot-resource-item:nth-child(3) .hot-resource-item__rank {
            background: var(--color-primary);
        }

        .hot-resource-item__info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
            color: var(--color-primary-deep);
        }

        .hot-resource-item__info span {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .hot-resources__sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hot-resources__sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 24px;
        }

        .hot-resources__sidebar-card h4 {
            margin-bottom: 14px;
            font-size: 1rem;
            color: var(--color-primary-deep);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud__tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--color-bg);
            color: var(--color-text);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .tag-cloud__tag:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            text-decoration: none;
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
            border-radius: var(--radius-lg);
            padding: 24px;
            color: #fff;
            text-align: center;
        }

        .sidebar-cta-box h4 {
            color: #fff;
            margin-bottom: 8px;
            font-size: 1rem;
        }

        .sidebar-cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            margin-bottom: 14px;
        }

        .sidebar-cta-box .btn {
            width: 100%;
            justify-content: center;
            font-size: 0.85rem;
            padding: 10px 18px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            align-items: center;
        }

        .deep-content__text h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--color-primary-deep);
        }

        .deep-content__text p {
            color: var(--color-text);
            line-height: 1.85;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .deep-content__image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .deep-content__image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ========== DATA INSIGHT ========== */
        .data-insight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .data-insight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .data-insight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .data-insight-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(212, 155, 60, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .data-insight-card__num {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-emphasis);
            line-height: 1.2;
        }

        .data-insight-card__label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== PROCESS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
        }

        .process-step {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .process-step__num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .process-step h4 {
            margin-bottom: 6px;
            font-size: 1rem;
            color: var(--color-primary-deep);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== CASE SHOWCASE ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .case-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .case-card__img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .case-card__img .case-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            z-index: 2;
        }

        .case-card__body {
            padding: 20px 22px;
        }

        .case-card__body h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-primary-deep);
        }

        .case-card__body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item__question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary-deep);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition-fast);
            background: transparent;
            border: none;
            font-family: var(--font-sans);
        }

        .faq-item__question:hover {
            background: var(--color-bg);
        }

        .faq-item__question i {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item--open .faq-item__question i {
            transform: rotate(180deg);
            color: var(--color-emphasis);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item--open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item__answer p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 50px 20px;
        }

        .cta-card {
            max-width: 900px;
            margin: 0 auto;
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a4055 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            box-shadow: 0 20px 50px rgba(15, 43, 60, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cta-card h2 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 2rem;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-card__actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            box-shadow: var(--shadow-bottom-bar);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            border-top: 1px solid var(--color-border-light);
            height: var(--bottom-bar-height);
        }

        .bottom-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-deep);
        }

        .bottom-bar .btn {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 50px 20px 30px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto 30px;
        }

        .footer-col__brand {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.95rem;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom__links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .footer-bottom__links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            text-decoration: none;
        }

        .footer-bottom__links a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 3px;
            }
            .nav-links__item {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-links__item i {
                font-size: 0.75rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .resource-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .resource-grid__large {
                grid-row: auto;
                grid-column: 1 / -1;
            }
            .hot-resources {
                grid-template-columns: 1fr;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .data-insight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-creator__banner {
                height: 180px;
                padding: 0 24px;
            }
            .hero-creator__avatar {
                width: 80px;
                height: 80px;
            }
            .hero-creator__avatar i {
                font-size: 2rem;
            }
            .hero-creator__body {
                padding: 50px 24px 30px;
            }
            .hero-creator__name-tag h1 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 768px) {
            .site-nav__inner {
                flex-wrap: wrap;
                padding: 10px 14px;
                gap: 6px;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                order: 10;
                gap: 4px;
                padding-top: 8px;
            }
            .nav-links--open {
                display: flex;
            }
            .nav-links__item {
                justify-content: flex-start;
                padding: 12px 16px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                display: none;
            }
            .nav-cta--mobile-show {
                display: inline-flex;
                width: 100%;
                justify-content: center;
                order: 11;
                margin-top: 4px;
            }
            .nav-hamburger {
                display: block;
                margin-left: auto;
            }
            .hero-creator__banner {
                height: 150px;
                padding: 0 16px;
            }
            .hero-creator__avatar {
                width: 66px;
                height: 66px;
            }
            .hero-creator__avatar i {
                font-size: 1.6rem;
            }
            .hero-creator__avatar-row {
                transform: translateY(30px);
                gap: 12px;
            }
            .hero-creator__name-tag h1 {
                font-size: 1.2rem;
            }
            .hero-creator__body {
                padding: 40px 16px 24px;
            }
            .hero-creator__stats {
                gap: 12px;
            }
            .hero-creator__stat {
                padding: 10px 14px;
                min-width: 80px;
            }
            .hero-creator__stat-num {
                font-size: 1.4rem;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .resource-grid__large {
                grid-column: auto;
            }
            .resource-grid__small {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .data-insight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom__links {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }
            .hot-resources {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                height: auto;
                min-height: 68px;
            }
            .bottom-bar__text {
                font-size: 0.85rem;
                text-align: center;
            }
            body {
                padding-bottom: 100px;
            }
            .hero-creator {
                padding: 24px 12px 40px;
            }
        }

        @media (max-width: 520px) {
            .hero-creator__banner {
                height: 120px;
            }
            .hero-creator__avatar {
                width: 54px;
                height: 54px;
            }
            .hero-creator__avatar i {
                font-size: 1.3rem;
            }
            .hero-creator__avatar-row {
                transform: translateY(22px);
            }
            .hero-creator__name-tag h1 {
                font-size: 1rem;
            }
            .hero-creator__body {
                padding: 34px 12px 20px;
            }
            .hero-creator__stats {
                gap: 8px;
            }
            .hero-creator__stat {
                padding: 8px 10px;
                min-width: 65px;
            }
            .hero-creator__stat-num {
                font-size: 1.2rem;
            }
            .hero-creator__stat-label {
                font-size: 0.7rem;
            }
            .hero-creator__desc {
                font-size: 0.9rem;
            }
            .data-insight-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 10px 16px;
                font-size: 0.85rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            line-height: 1.4;
            color: var(--color-primary-deep);
            font-weight: 700;
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: 0.02em;
        }

        h2 {
            font-size: 1.9rem;
            letter-spacing: 0.015em;
        }

        h3 {
            font-size: 1.35rem;
            letter-spacing: 0.01em;
        }

        p {
            margin-bottom: 0.85em;
            line-height: 1.75;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-links__item:hover i {
            color: var(--color-accent);
        }

        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links__item--active i {
            color: #fff;
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--color-emphasis);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: #c95d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(228, 111, 43, 0.35);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text {
            z-index: 2;
        }

        .hero-text h1 {
            font-size: 2.75rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
            color: var(--color-primary-deep);
            letter-spacing: 0.025em;
        }

        .hero-text h1 span {
            color: var(--color-emphasis);
            position: relative;
        }

        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-emphasis);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #c95d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(228, 111, 43, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
        }

        .btn-secondary {
            background: var(--color-surface);
            color: var(--color-primary);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--color-border);
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
            background: var(--color-bg);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-invite-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .hero-invite-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-emphasis));
            border-radius: 4px 4px 0 0;
        }

        .hero-invite-card__title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary-deep);
            margin-bottom: 8px;
        }

        .hero-invite-card__desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .hero-progress-wrap {
            margin-bottom: 16px;
        }

        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--color-text);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .hero-progress-bar {
            height: 10px;
            background: var(--color-border-light);
            border-radius: 10px;
            overflow: hidden;
        }

        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), var(--color-emphasis));
            border-radius: 10px;
            transition: width 1.2s ease;
            width: 78%;
        }

        .hero-invite-btn {
            width: 100%;
            background: var(--color-primary);
            color: #fff;
            padding: 13px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
        }

        .hero-invite-btn:hover {
            background: var(--color-primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(15, 43, 60, 0.25);
        }

        .hero-invite-btn:active {
            transform: scale(0.98);
        }

        .hero-stats-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stat-badge {
            flex: 1;
            min-width: 80px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 16px 14px;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }

        .hero-stat-badge__num {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--color-emphasis);
            line-height: 1.2;
        }

        .hero-stat-badge__label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            object-fit: cover;
            opacity: 0.06;
            z-index: 1;
            pointer-events: none;
            border-radius: 0 0 0 80px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-primary-deep);
        }

        .section-header p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(212, 155, 60, 0.12);
            color: #b8861a;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== FEATURES GRID ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 20px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border);
        }

        .feature-card--large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .feature-card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(15, 43, 60, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-card__icon--large {
            width: 64px;
            height: 64px;
            font-size: 1.8rem;
            background: rgba(212, 155, 60, 0.10);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--color-primary-deep);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .feature-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-top: 12px;
            transition: all var(--transition-fast);
        }

        .feature-card__link:hover {
            color: var(--color-emphasis);
            gap: 10px;
            text-decoration: none;
        }

        .feature-card__img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-top: 16px;
            flex-shrink: 0;
        }

        .feature-card__img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        /* ========== SCENE SECTION ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scene-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .scene-image-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .scene-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 43, 60, 0.25));
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .scene-text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .scene-text p {
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .scene-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .scene-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .scene-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--color-accent);
            font-size: 0.95rem;
        }

        /* ========== CONTENT LIST SECTION ========== */
        .content-list-section {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .content-list-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 36px;
        }

        .content-list-main {}

        .content-list-item {
            display: flex;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .content-list-item:first-child {
            padding-top: 0;
        }

        .content-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .content-list-item:hover {
            padding-left: 8px;
            border-left: 3px solid var(--color-accent);
        }

        .content-list-item__date {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.2;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .content-list-item__date strong {
            font-size: 1.3rem;
            color: var(--color-primary);
            font-family: var(--font-serif);
        }

        .content-list-item__body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-primary-deep);
            font-family: var(--font-sans);
            line-height: 1.4;
        }

        .content-list-item__body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .content-list-item__btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 6px;
            transition: all var(--transition-fast);
        }

        .content-list-item__btn:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .content-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .sidebar-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border-light);
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--color-primary-deep);
            font-family: var(--font-sans);
        }

        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            padding: 0;
        }

        .sidebar-tag {
            padding: 6px 14px;
            background: var(--color-surface);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text);
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .sidebar-tag:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            text-decoration: none;
        }

        /* ========== PROCESS SECTION ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .process-card__step {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
            font-family: var(--font-serif);
        }

        .process-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            font-family: var(--font-sans);
        }

        .process-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== DEPTH CONTENT ========== */
        .depth-section {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .depth-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .depth-text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .depth-text p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .depth-image img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: 320px;
            object-fit: cover;
            box-shadow: var(--shadow-card);
        }

        /* ========== STATS SECTION ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .stat-card__num {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-emphasis);
            line-height: 1.2;
        }

        .stat-card__label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }

        .faq-item--open {
            border-color: var(--color-border);
            background: var(--color-surface);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary-deep);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            font-family: inherit;
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-emphasis);
        }

        .faq-question i {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
        }

        .faq-item--open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-emphasis);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item--open .faq-answer {
            max-height: 400px;
        }

        .faq-answer__inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 155, 60, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(228, 111, 43, 0.12);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 34px;
            background: var(--color-emphasis);
        }

        .cta-section .btn-primary:hover {
            background: #d1601e;
            box-shadow: 0 10px 28px rgba(228, 111, 43, 0.4);
        }

        .cta-section .btn-secondary-inverse {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 34px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            margin-left: 12px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-section .btn-secondary-inverse:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            box-shadow: var(--shadow-bottom-bar);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            height: var(--bottom-bar-height);
            border-top: 1px solid var(--color-border-light);
        }

        .bottom-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-deep);
        }

        .bottom-bar .btn-primary {
            padding: 12px 24px;
            font-size: 0.9rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col__brand {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            font-family: var(--font-sans);
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom__links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .footer-bottom__links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom__links a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .footer-bottom span {
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-invite-card {
                flex: 1;
                min-width: 280px;
            }
            .hero-stats-row {
                flex: 1;
                min-width: 200px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card--large {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-list-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 200px;
            }
            .depth-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-bg-img {
                width: 60%;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                background: var(--color-surface);
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-nav);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border: 1px solid var(--color-border-light);
                z-index: 100;
            }
            .nav-links--open {
                display: flex;
            }
            .nav-links__item {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-hamburger {
                display: block;
            }
            .nav-cta {
                display: none;
            }
            .nav-cta--mobile {
                display: block;
                width: 100%;
                text-align: center;
                margin-top: 8px;
                padding: 12px;
                border-radius: var(--radius-sm);
                background: var(--color-emphasis);
                color: #fff;
                font-weight: 600;
                text-decoration: none;
            }
            .site-nav__inner {
                padding: 10px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-section {
                padding: 32px 0 28px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 32px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .scene-image-wrap img {
                height: 240px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .content-list-section {
                padding: 20px;
            }
            .content-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .content-list-item__date {
                width: auto;
                height: auto;
                flex-direction: row;
                gap: 6px;
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .depth-section {
                padding: 24px 20px;
            }
            .faq-section {
                padding: 24px 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .btn-secondary-inverse {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom__links {
                justify-content: center;
            }
            .bottom-bar {
                flex-wrap: wrap;
                text-align: center;
                height: auto;
                padding: 10px 16px;
                gap: 8px;
            }
            .bottom-bar__text {
                font-size: 0.85rem;
            }
            .hero-bg-img {
                display: none;
            }
            .hero-stats-row {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-stat-badge {
                min-width: 70px;
                padding: 12px 10px;
            }
            .hero-stat-badge__num {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-invite-card {
                padding: 20px;
            }
            .hero-visual {
                flex-direction: column;
            }
            .site-nav {
                top: 8px;
                padding: 0 8px;
            }
            .site-nav__inner {
                padding: 8px 12px;
                border-radius: var(--radius-md);
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-links__item:hover i {
            color: var(--color-accent);
        }

        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links__item--active i {
            color: #fff;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: var(--color-emphasis);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: #c85d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(228, 111, 43, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
            color: var(--color-emphasis);
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            padding: 64px 0 56px;
            background: linear-gradient(170deg, rgba(15, 43, 60, 0.92) 0%, rgba(11, 31, 44, 0.96) 60%, rgba(15, 43, 60, 0.88) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(212, 155, 60, 0.08);
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(228, 111, 43, 0.06);
            pointer-events: none;
        }

        .hero-banner__inner {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-banner__badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-banner__title {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            color: #fff;
        }

        .hero-banner__title span {
            color: var(--color-accent);
        }

        .hero-banner__desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            gap: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .hero-search__input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid transparent;
            border-right: none;
            background: #fff;
            color: var(--color-text);
            font-size: 1rem;
            outline: none;
            border-radius: var(--radius-md) 0 0 var(--radius-md);
            transition: border-color var(--transition-fast);
        }

        .hero-search__input:focus {
            border-color: var(--color-accent);
        }

        .hero-search__btn {
            padding: 14px 24px;
            background: var(--color-emphasis);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-search__btn:hover {
            background: #c85d1f;
        }

        .hero-search__btn:active {
            transform: scale(0.97);
        }

        /* ========== QUICK NAV CARDS ========== */
        .quick-nav-section {
            padding: 40px 0 32px;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
        }

        .quick-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .quick-nav-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            color: var(--color-text);
        }

        .quick-nav-card:hover {
            background: var(--color-surface);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
            text-decoration: none;
            color: var(--color-primary);
        }

        .quick-nav-card__icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .quick-nav-card:hover .quick-nav-card__icon {
            background: var(--color-emphasis);
        }

        .quick-nav-card__text {
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
        }

        .quick-nav-card__sub {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 400;
            display: block;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 56px 0;
            background: var(--color-bg);
        }

        .faq-section--alt {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-section__header {
            margin-bottom: 36px;
        }

        .faq-section__label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            background: rgba(15, 43, 60, 0.06);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .faq-section__title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary-deep);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .faq-section__desc {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 600px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 8px rgba(15, 43, 60, 0.04);
        }

        .faq-item--open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .faq-item__trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 16px;
            background: transparent;
            border: none;
            line-height: 1.5;
        }

        .faq-item__trigger:hover {
            color: var(--color-primary);
        }

        .faq-item__trigger:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-item__icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .faq-item--open .faq-item__icon {
            background: var(--color-emphasis);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item__content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item--open .faq-item__content {
            max-height: 600px;
            padding: 0 22px 20px;
        }

        .faq-item__answer {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid var(--color-border-light);
        }

        /* ========== FEATURES SECTION ========== */
        .features-section {
            padding: 56px 0;
            background: var(--color-primary-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 155, 60, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .features-section__inner {
            position: relative;
            z-index: 1;
        }

        .features-section__title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .features-section__title span {
            color: var(--color-accent);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
        }

        .feature-card__icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 18px;
        }

        .feature-card__title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #fff;
        }

        .feature-card__desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        /* ========== RESOURCES SECTION ========== */
        .resources-section {
            padding: 56px 0;
            background: var(--color-bg);
        }

        .resources-section__header {
            text-align: center;
            margin-bottom: 36px;
        }

        .resources-section__title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary-deep);
            margin-bottom: 8px;
        }

        .resources-section__desc {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        .resources-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .resource-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .resource-card__image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--color-bg);
        }

        .resource-card__body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .resource-card__tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 50px;
            background: rgba(15, 43, 60, 0.06);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }

        .resource-card__title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .resource-card__desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .resource-card__link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-emphasis);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .resource-card__link:hover {
            gap: 10px;
            color: #c85d1f;
            text-decoration: none;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
        }

        .cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(212, 155, 60, 0.1);
            pointer-events: none;
        }

        .cta-card__text {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .cta-card__title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-card__desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-card__btn {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            background: var(--color-emphasis);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 8px 24px rgba(228, 111, 43, 0.35);
        }

        .cta-card__btn:hover {
            background: #fff;
            color: var(--color-emphasis);
            text-decoration: none;
            box-shadow: 0 12px 32px rgba(228, 111, 43, 0.45);
            transform: translateY(-2px);
        }

        .cta-card__btn:active {
            transform: scale(0.97);
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            box-shadow: var(--shadow-bottom-bar);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            height: var(--bottom-bar-height);
        }

        .bottom-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .bottom-bar__btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--color-emphasis);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(228, 111, 43, 0.3);
        }

        .bottom-bar__btn:hover {
            background: #c85d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        .bottom-bar__btn:active {
            transform: scale(0.97);
        }

        .bottom-bar__btn--outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            box-shadow: none;
        }

        .bottom-bar__btn--outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 48px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col__brand {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            color: var(--color-accent);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom__links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom__links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom__links a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom__links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .nav-links {
                gap: 2px;
            }

            .nav-links__item {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }

            .nav-links__item i {
                font-size: 0.75rem;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
            }

            .quick-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .resources-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .nav-hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-links {
                position: fixed;
                top: 80px;
                left: 16px;
                right: 16px;
                background: var(--color-surface);
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-nav);
                flex-direction: column;
                padding: 16px;
                gap: 6px;
                display: none;
                z-index: 1001;
                border: 1px solid var(--color-border);
            }

            .nav-links--open {
                display: flex;
            }

            .nav-links__item {
                width: 100%;
                padding: 14px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }

            .nav-cta {
                display: none;
            }

            .nav-cta--mobile-visible {
                display: inline-flex;
                width: 100%;
                justify-content: center;
                margin-top: 8px;
                padding: 12px 20px;
            }

            .hero-banner {
                padding: 40px 0 36px;
            }

            .hero-banner__title {
                font-size: 1.7rem;
            }

            .hero-banner__desc {
                font-size: 0.9rem;
            }

            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-md);
            }

            .hero-search__input {
                border-radius: var(--radius-md) var(--radius-md) 0 0;
                border-right: 2px solid transparent;
            }

            .hero-search__btn {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .quick-nav-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .quick-nav-card {
                padding: 12px 14px;
                gap: 8px;
            }

            .quick-nav-card__icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }

            .quick-nav-card__text {
                font-size: 0.82rem;
            }

            .faq-section {
                padding: 36px 0;
            }

            .faq-section__title {
                font-size: 1.4rem;
            }

            .faq-item__trigger {
                padding: 14px 16px;
                font-size: 0.92rem;
            }

            .faq-item__content {
                padding: 0 16px;
            }

            .faq-item--open .faq-item__content {
                padding: 0 16px 16px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .resources-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-card {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .cta-card__title {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .footer-bottom__links {
                justify-content: center;
                gap: 10px;
            }

            .bottom-bar {
                flex-direction: column;
                height: auto;
                padding: 10px 16px;
                gap: 8px;
            }

            .bottom-bar__text {
                font-size: 0.85rem;
            }

            .bottom-bar__btn {
                font-size: 0.85rem;
                padding: 8px 18px;
            }

            body {
                padding-bottom: 100px;
            }
        }

        @media (max-width: 480px) {
            .hero-banner__title {
                font-size: 1.45rem;
            }

            .quick-nav-grid {
                grid-template-columns: 1fr;
            }

            .quick-nav-card {
                padding: 14px 16px;
            }

            .faq-section__title {
                font-size: 1.25rem;
            }

            .faq-item__trigger {
                font-size: 0.85rem;
                padding: 12px 14px;
            }

            .resources-grid {
                grid-template-columns: 1fr;
            }

            .cta-card__title {
                font-size: 1.15rem;
            }

            .bottom-bar__text {
                font-size: 0.8rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary-deep);
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: 0.02em;
        }

        h2 {
            font-size: 1.85rem;
            letter-spacing: 0.015em;
        }

        h3 {
            font-size: 1.35rem;
            letter-spacing: 0.01em;
        }

        p {
            margin-bottom: 1em;
            line-height: 1.8;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-links__item:hover i {
            color: var(--color-accent);
        }

        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links__item--active i {
            color: #fff;
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--color-emphasis);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: #c85d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(228, 111, 43, 0.35);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            padding: 60px 0 70px;
            background: linear-gradient(170deg, rgba(15, 43, 60, 0.03) 0%, rgba(15, 43, 60, 0.01) 40%, rgba(212, 155, 60, 0.06) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(ellipse, rgba(212, 155, 60, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(228, 111, 43, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero__inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 50px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero__text {
            flex: 1;
            min-width: 0;
        }

        .hero__badge {
            display: inline-block;
            background: rgba(15, 43, 60, 0.06);
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 24px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
            color: var(--color-primary-deep);
        }

        .hero h1 span {
            color: var(--color-accent);
            position: relative;
        }

        .hero__subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--color-emphasis);
            color: #fff;
            box-shadow: 0 4px 16px rgba(228, 111, 43, 0.25);
        }

        .btn--primary:hover {
            background: #c85d1f;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(228, 111, 43, 0.4);
        }

        .btn--primary:active {
            transform: scale(0.98);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }

        .btn--outline:hover {
            border-color: var(--color-primary);
            background: rgba(15, 43, 60, 0.04);
            color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }

        .hero__image {
            flex: 0 0 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            position: relative;
        }

        .hero__image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-smooth);
        }

        .hero__image:hover img {
            transform: scale(1.03);
        }

        /* ========== SECTION ========== */
        .section {
            padding: 60px 0;
        }

        .section__header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section__header h2 {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .section__header p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ========== ASYMMETRIC GALLERY GRID ========== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 200px;
            gap: 18px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .gallery-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            background: var(--color-surface);
            display: flex;
            flex-direction: column;
        }

        .gallery-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .gallery-card__image {
            flex: 1;
            min-height: 0;
            overflow: hidden;
            position: relative;
        }

        .gallery-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .gallery-card:hover .gallery-card__image img {
            transform: scale(1.06);
        }

        .gallery-card__overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(11, 31, 44, 0.85));
            padding: 24px 20px 18px;
            color: #fff;
            z-index: 1;
        }

        .gallery-card__overlay h3 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 4px;
            font-weight: 700;
        }

        .gallery-card__overlay p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.5;
        }

        .gallery-card__tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .gallery-card--large {
            grid-column: span 2;
            grid-row: span 2;
        }

        .gallery-card--medium {
            grid-column: span 1;
            grid-row: span 1;
        }

        .gallery-card--wide {
            grid-column: span 2;
            grid-row: span 1;
        }

        .gallery-card--tall {
            grid-column: span 1;
            grid-row: span 2;
        }

        /* ========== CASE STUDY ========== */
        .case-study {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .case-study__image {
            flex: 0 0 48%;
            min-height: 380px;
        }

        .case-study__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-study__body {
            flex: 1;
            padding: 40px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-study__body h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .case-study__body p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .case-study__stats {
            display: flex;
            gap: 30px;
            margin-top: 10px;
        }

        .case-study__stat {
            text-align: center;
        }

        .case-study__stat-number {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-emphasis);
        }

        .case-study__stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .stat-card {
            flex: 1;
            min-width: 180px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .stat-card__number {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-card__label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: flex;
            gap: 30px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .feature-row__text {
            flex: 1;
        }

        .feature-row__text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .feature-row__text p {
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        .feature-row__image {
            flex: 0 0 44%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-row__image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .feature-list {
            list-style: none;
            margin-top: 16px;
        }

        .feature-list li {
            padding: 8px 0;
            padding-left: 28px;
            position: relative;
            color: var(--color-text);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item__question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary-deep);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: transparent;
            border: none;
            font-family: var(--font-sans);
            letter-spacing: 0.01em;
            transition: background var(--transition-fast);
        }

        .faq-item__question:hover {
            background: rgba(15, 43, 60, 0.03);
        }

        .faq-item__question i {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
        }

        .faq-item--open .faq-item__question i {
            transform: rotate(180deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item--open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item__answer p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary-deep);
            border-radius: var(--radius-xl);
            padding: 50px 44px;
            text-align: center;
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(212, 155, 60, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
        }

        .cta-section .btn--primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 15px 36px;
        }

        .cta-section .btn--outline-light {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            margin-left: 12px;
        }

        .cta-section .btn--outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            box-shadow: var(--shadow-bottom-bar);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            height: var(--bottom-bar-height);
        }

        .bottom-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-deep);
            letter-spacing: 0.01em;
        }

        .bottom-bar .btn--primary {
            padding: 10px 24px;
            font-size: 0.9rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 50px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col__brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: var(--color-accent);
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom__links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom__links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom__links a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
                grid-auto-rows: 180px;
                gap: 14px;
            }
            .gallery-card--large {
                grid-column: span 2;
                grid-row: span 2;
            }
            .gallery-card--wide {
                grid-column: span 2;
            }
            .hero__image {
                flex: 0 0 340px;
            }
            .hero__image img {
                height: 280px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .case-study {
                flex-direction: column;
                max-width: 92%;
            }
            .case-study__image {
                flex: 0 0 240px;
                min-height: 240px;
            }
            .case-study__body {
                padding: 28px 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-nav);
                padding: 12px;
                gap: 4px;
                margin-top: 8px;
                border: 1px solid var(--color-border-light);
            }
            .nav-links--open {
                display: flex;
            }
            .nav-links__item {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-hamburger {
                display: block;
            }
            .nav-cta {
                display: none;
            }
            .site-nav__inner {
                padding: 10px 16px;
                position: relative;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero__inner {
                flex-direction: column;
                gap: 30px;
            }
            .hero__image {
                flex: 0 0 auto;
                width: 100%;
            }
            .hero__image img {
                height: 220px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero__subtitle {
                font-size: 0.95rem;
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-auto-rows: 160px;
                gap: 10px;
            }
            .gallery-card--large {
                grid-column: span 2;
                grid-row: span 2;
            }
            .gallery-card--wide {
                grid-column: span 2;
            }
            .gallery-card--tall {
                grid-column: span 1;
                grid-row: span 2;
            }
            .gallery-card__overlay h3 {
                font-size: 0.95rem;
            }
            .gallery-card__overlay p {
                font-size: 0.78rem;
            }
            .case-study {
                max-width: 100%;
                margin: 0 16px;
                border-radius: var(--radius-md);
            }
            .case-study__body {
                padding: 22px 20px;
            }
            .case-study__stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-card {
                min-width: 130px;
                padding: 20px 16px;
            }
            .stat-card__number {
                font-size: 1.8rem;
            }
            .feature-row {
                flex-direction: column;
                gap: 20px;
            }
            .feature-row__image {
                flex: 0 0 auto;
                width: 100%;
            }
            .feature-row__image img {
                height: 200px;
            }
            .cta-section {
                padding: 32px 20px;
                margin: 0 16px;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .btn--outline-light {
                margin-left: 0;
                margin-top: 10px;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                height: auto;
                padding: 12px 16px;
                text-align: center;
            }
            .bottom-bar__text {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom__links {
                justify-content: center;
                gap: 10px;
            }
            .section {
                padding: 36px 0;
            }
            .section__header {
                margin-bottom: 28px;
            }
            .section__header h2 {
                font-size: 1.35rem;
            }
            body {
                font-size: 0.95rem;
                line-height: 1.7;
            }
        }

        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                grid-auto-rows: 140px;
                gap: 8px;
            }
            .gallery-card--large {
                grid-column: span 2;
                grid-row: span 2;
            }
            .gallery-card--wide {
                grid-column: span 2;
            }
            .gallery-card--tall {
                grid-column: span 1;
                grid-row: span 2;
            }
            .hero {
                padding: 30px 0 40px;
            }
            .hero h1 {
                font-size: 1.45rem;
            }
            .hero__image img {
                height: 180px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .stat-card {
                min-width: 100px;
                padding: 16px 12px;
            }
            .stat-card__number {
                font-size: 1.5rem;
            }
            .gallery-card__overlay {
                padding: 14px 12px 10px;
            }
            .gallery-card__overlay h3 {
                font-size: 0.85rem;
            }
            .gallery-card__tag {
                font-size: 0.7rem;
                padding: 3px 10px;
                top: 8px;
                left: 8px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0F2B3C;
            --color-primary-deep: #0B1F2C;
            --color-accent: #D49B3C;
            --color-emphasis: #E46F2B;
            --color-bg: #F5F2EC;
            --color-surface: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-muted: #66707A;
            --color-border: rgba(15, 43, 60, 0.12);
            --color-border-light: rgba(15, 43, 60, 0.07);
            --color-success: #2D8C5C;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 8px 24px rgba(15, 43, 60, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(15, 43, 60, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 43, 60, 0.10);
            --shadow-bottom-bar: 0 -4px 20px rgba(15, 43, 60, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1240px;
            --nav-height: 72px;
            --bottom-bar-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
            position: relative;
            font-weight: 400;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--color-emphasis);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary-deep);
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: 0.02em;
        }

        h2 {
            font-size: 1.9rem;
            letter-spacing: 0.01em;
        }

        h3 {
            font-size: 1.35rem;
        }

        h4 {
            font-size: 1.1rem;
            font-family: var(--font-sans);
            font-weight: 600;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-nav__inner {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            gap: 8px;
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary-deep);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .nav-links__item i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links__item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            color: var(--color-primary);
            text-decoration: none;
        }

        .nav-links__item:hover i {
            color: var(--color-accent);
        }

        .nav-links__item--active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links__item--active i {
            color: #fff;
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 11px 22px;
            background: var(--color-emphasis);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(228, 111, 43, 0.25);
        }

        .nav-cta:hover {
            background: #D15F1F;
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(228, 111, 43, 0.35);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 56px 0 48px;
            position: relative;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.6rem;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hero-text h1 span {
            color: var(--color-emphasis);
        }

        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 1rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-emphasis);
            color: #fff;
            box-shadow: 0 4px 16px rgba(228, 111, 43, 0.3);
            border: none;
        }

        .btn-primary:hover {
            background: #D15F1F;
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 22px rgba(228, 111, 43, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            aspect-ratio: 4/3;
            background: var(--color-primary-deep);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-visual__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 60, 0.55) 0%, rgba(11, 31, 44, 0.2) 60%);
            display: flex;
            align-items: flex-end;
            padding: 28px;
        }

        .hero-visual__tag {
            background: rgba(255, 255, 255, 0.9);
            color: var(--color-primary-deep);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }

        /* ========== MAIN FORM SECTION ========== */
        .form-section {
            padding: 48px 0 64px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
        }

        .form-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .form-card h2 {
            font-size: 1.6rem;
            margin-bottom: 8px;
        }

        .form-card .form-subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 6px;
            color: var(--color-primary-deep);
            letter-spacing: 0.01em;
        }

        .form-group label .required {
            color: var(--color-emphasis);
            margin-left: 2px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 13px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            outline: none;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--color-emphasis);
            box-shadow: 0 0 0 3px rgba(228, 111, 43, 0.1);
            background: #fff;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #b0b8bf;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-submit-btn {
            width: 100%;
            padding: 15px 28px;
            background: var(--color-emphasis);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(228, 111, 43, 0.3);
            margin-top: 8px;
        }

        .form-submit-btn:hover {
            background: #D15F1F;
            box-shadow: 0 6px 24px rgba(228, 111, 43, 0.4);
            transform: translateY(-2px);
        }

        .form-submit-btn:active {
            transform: scale(0.98);
        }

        .form-note {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 14px;
            line-height: 1.6;
        }

        /* ========== INFO SIDEBAR ========== */
        .info-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .info-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .info-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-card h3 i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .info-list {
            list-style: none;
            padding: 0;
        }

        .info-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .info-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .info-list li i {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .info-list li strong {
            color: var(--color-primary-deep);
            display: block;
            font-size: 0.85rem;
            margin-bottom: 2px;
        }

        .info-link-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            text-decoration: none;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .info-link-card:hover {
            background: var(--color-primary);
            color: #fff;
            text-decoration: none;
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .info-link-card i {
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }

        .info-link-card:hover i {
            color: #fff;
        }

        /* ========== RESOURCES SECTION ========== */
        .resources-section {
            padding: 56px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .resources-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .resources-section .section-header h2 {
            margin-bottom: 8px;
        }

        .resources-section .section-header p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .resources-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 20px;
        }

        .resource-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .resource-card__img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-primary-deep);
        }

        .resource-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .resource-card:hover .resource-card__img img {
            transform: scale(1.04);
        }

        .resource-card__body {
            padding: 20px 22px;
        }

        .resource-card__body h3 {
            font-size: 1.15rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .resource-card__body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .resource-card--large {
            grid-row: span 1;
        }

        .resource-card__tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        /* ========== ADVANTAGES SECTION ========== */
        .advantages-section {
            padding: 56px 0;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .advantage-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .advantage-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }

        .advantage-card:hover .advantage-card__icon {
            background: var(--color-primary);
            color: #fff;
        }

        .advantage-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .advantage-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== PROCESS SECTION ========== */
        .process-section {
            padding: 56px 0;
            background: var(--color-primary-deep);
            color: #fff;
            border-radius: var(--radius-xl);
            margin: 0 20px 40px;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }

        .process-section .container {
            padding: 0 48px;
        }

        .process-section h2 {
            color: #fff;
            text-align: center;
            margin-bottom: 8px;
        }

        .process-section .process-subtitle {
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step__num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: 0.02em;
        }

        .process-step h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .process-step p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .stat-card__number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-emphasis);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card__label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 56px 0;
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .faq-section .section-header h2 {
            margin-bottom: 8px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item__question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary-deep);
            transition: all var(--transition-fast);
            user-select: none;
            gap: 12px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-item__question:hover {
            color: var(--color-emphasis);
        }

        .faq-item__question i {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item--open .faq-item__question i {
            transform: rotate(180deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item--open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item__answer p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0 40px;
        }

        .cta-card {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-card-hover);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(212, 155, 60, 0.2);
            pointer-events: none;
        }

        .cta-card h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 15px 36px;
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            box-shadow: var(--shadow-bottom-bar);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            height: var(--bottom-bar-height);
            border-top: 1px solid var(--color-border-light);
        }

        .bottom-bar__text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-deep);
            letter-spacing: 0.01em;
        }

        .bottom-bar .btn {
            padding: 11px 24px;
            font-size: 0.9rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col__brand {
            font-family: var(--font-serif);
            font-weight: 800;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            font-weight: 700;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom__links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom__links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            text-decoration: none;
        }

        .footer-bottom__links a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                aspect-ratio: 16/9;
            }

            .form-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .resources-grid {
                grid-template-columns: 1fr 1fr;
            }

            .resource-card--large {
                grid-column: span 2;
            }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                gap: 3px;
            }

            .nav-links__item {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            .site-nav__inner {
                flex-wrap: wrap;
                padding: 10px 14px;
            }

            .nav-links {
                display: none;
                order: 3;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding-top: 8px;
            }

            .nav-links--open {
                display: flex;
            }

            .nav-links__item {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                font-size: 0.9rem;
            }

            .nav-hamburger {
                display: block;
                order: 2;
                margin-left: auto;
            }

            .nav-cta {
                order: 1;
                font-size: 0.8rem;
                padding: 9px 16px;
            }

            .hero-section {
                padding: 32px 0;
            }

            .hero-text h1 {
                font-size: 1.9rem;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .form-card {
                padding: 24px 18px;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }

            .resources-grid {
                grid-template-columns: 1fr;
            }

            .resource-card--large {
                grid-column: span 1;
            }

            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .process-section .container {
                padding: 0 20px;
            }

            .process-section {
                margin: 0 10px 30px;
                border-radius: var(--radius-lg);
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card__number {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom__links {
                justify-content: center;
            }

            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                height: auto;
                min-height: 64px;
            }

            .bottom-bar__text {
                font-size: 0.85rem;
            }

            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h2 {
                font-size: 1.4rem;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-badge {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-text h1 {
                font-size: 1.6rem;
            }

            .container {
                padding: 0 14px;
            }

            .form-card {
                padding: 20px 14px;
            }
        }