/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #3a4a9c;
            --primary-dark: #0f1a4a;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c8a020;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a4a;
            --bg-muted: #eef0f6;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f8;
            --border: #e0e2ea;
            --border-light: #eef0f6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 96px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        ::selection { background: var(--accent); color: var(--primary-dark); }
        :focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-sm); }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container--narrow { max-width: 880px; }
        .container--wide { max-width: 1360px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn--primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 184, 48, 0.35);
        }
        .btn--outline {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255,255,255,0.3);
        }
        .btn--outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn--white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn--white:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 184, 48, 0.3);
        }
        .btn--sm { padding: 10px 22px; font-size: 0.85rem; }
        .btn--lg { padding: 18px 42px; font-size: 1.05rem; }
        .btn i { font-size: 1.1em; }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            background: var(--bg-muted);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .badge--accent { background: rgba(232, 184, 48, 0.15); color: var(--accent-dark); border-color: rgba(232, 184, 48, 0.3); }
        .badge--primary { background: rgba(26, 42, 108, 0.08); color: var(--primary); border-color: rgba(26, 42, 108, 0.15); }
        .badge--green { background: rgba(16, 185, 129, 0.12); color: #0d8a6a; border-color: rgba(16, 185, 129, 0.25); }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: var(--spacing-xl);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card--image {
            padding: 0;
            overflow: hidden;
        }
        .card--image .card__img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card--image .card__body {
            padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
        }
        .card--accent {
            border-top: 4px solid var(--accent);
        }
        .card--dark {
            background: var(--bg-dark);
            border-color: rgba(255,255,255,0.06);
            color: var(--text-light);
        }
        .card--dark h3, .card--dark p { color: var(--text-light); }
        .card--dark p { opacity: 0.75; }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--spacing-xl); }
        .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: var(--spacing-lg); }
        .grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-xl); }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 26, 74, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled {
            background: rgba(15, 26, 74, 0.98);
            box-shadow: 0 4px 24px rgba(0,0,0,0.2);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
        }
        .header__nav-left, .header__nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }
        .header__logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header__logo i { color: var(--accent); font-size: 1.4rem; }
        .header__logo span { background: linear-gradient(135deg, #fff 60%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header__link {
            color: rgba(255,255,255,0.7);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
        }
        .header__link:hover { color: #fff; }
        .header__link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .header__link:hover::after { width: 100%; }
        .header__link--active { color: #fff; }
        .header__link--active::after { width: 100%; background: var(--accent); }
        .header__cta {
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition);
        }
        .header__cta:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(232, 184, 48, 0.3); }
        .header__toggle { display: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px; z-index: 1001; }

        /* ===== 移动端导航 ===== */
        @media (max-width: 880px) {
            .header__inner { height: 64px; }
            .header__logo { position: static; transform: none; font-size: 1.15rem; }
            .header__nav-left, .header__nav-right { display: none; }
            .header__toggle { display: block; order: -1; }
            .header__nav-mobile {
                display: flex;
                flex-direction: column;
                gap: var(--spacing-sm);
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(10, 18, 56, 0.98);
                backdrop-filter: blur(24px);
                padding: 80px 32px 40px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -8px 0 32px rgba(0,0,0,0.3);
                z-index: 999;
                border-left: 1px solid rgba(255,255,255,0.06);
            }
            .header__nav-mobile.open { right: 0; }
            .header__nav-mobile .header__link {
                font-size: 1.1rem;
                padding: 12px 0;
                border-bottom: 1px solid rgba(255,255,255,0.05);
            }
            .header__nav-mobile .header__cta {
                margin-top: 16px;
                text-align: center;
                padding: 14px;
            }
            .header__overlay {
                position: fixed;
                inset: 0;
                background: rgba(0,0,0,0.5);
                z-index: 998;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.3s;
            }
            .header__overlay.open { opacity: 1; pointer-events: auto; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% { transform: scale(1.05); }
            100% { transform: scale(1.15); }
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(15,26,74,0.4) 0%, rgba(15,26,74,0.85) 70%);
        }
        .hero__content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .hero__badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(232, 184, 48, 0.15);
            border: 1px solid rgba(232, 184, 48, 0.25);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero__title {
            color: #fff;
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .hero__title em { color: var(--accent); font-style: normal; }
        .hero__text {
            color: rgba(255,255,255,0.7);
            font-size: 1.15rem;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero__stats {
            display: flex;
            gap: 48px;
            justify-content: center;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero__stat-item { text-align: center; }
        .hero__stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero__stat-number i { color: var(--accent); font-size: 1.8rem; margin-right: 6px; }
        .hero__stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; letter-spacing: 0.02em; }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-4xl) 0;
        }
        .section__header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto var(--spacing-3xl);
        }
        .section__header h2 { margin-bottom: 12px; }
        .section__header p { font-size: 1.05rem; color: var(--text-muted); }
        .section__header .badge { margin-bottom: 16px; }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section--dark h2, .section--dark h3 { color: #fff; }
        .section--dark p { color: rgba(255,255,255,0.65); }
        .section--muted { background: var(--bg-muted); }

        /* ===== 关于板块 ===== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-3xl);
            align-items: center;
        }
        .about-grid__image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }
        .about-grid__content h2 { margin-bottom: 16px; }
        .about-grid__content p { margin-bottom: 16px; }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            margin-top: 24px;
        }
        .about-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-muted);
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.92rem;
        }
        .about-feature i { color: var(--accent-dark); font-size: 1.2rem; width: 24px; text-align: center; }

        /* ===== 能力/服务卡片 ===== */
        .service-card {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-xl);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--border);
        }
        .service-card__icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(232, 184, 48, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent-dark);
            transition: all var(--transition);
        }
        .service-card:hover .service-card__icon {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.05);
        }
        .service-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
        .service-card p { font-size: 0.92rem; margin-bottom: 0; }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateX(4px);
        }
        .news-item__thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-muted);
        }
        .news-item__body { flex: 1; min-width: 0; }
        .news-item__meta {
            display: flex;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            align-items: center;
        }
        .news-item__meta .badge { font-size: 0.68rem; padding: 2px 10px; }
        .news-item__title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .news-item:hover .news-item__title { color: var(--primary); }
        .news-item__summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            text-align: center;
        }
        .stats-item {
            padding: var(--spacing-xl);
        }
        .stats-item__number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stats-item__number i { color: var(--accent); font-size: 2rem; margin-right: 4px; }
        .stats-item__label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.5);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }
        .stats-item__divider {
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-xl);
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            group: true;
        }
        .category-card__img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .category-card:hover .category-card__img { transform: scale(1.08); }
        .category-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,26,74,0.85) 0%, rgba(15,26,74,0.1) 60%, transparent 100%);
            transition: opacity var(--transition);
        }
        .category-card__content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-xl) var(--spacing-lg);
            width: 100%;
        }
        .category-card__title {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card__count {
            color: rgba(255,255,255,0.6);
            font-size: 0.82rem;
        }
        .category-card__arrow {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(232, 184, 48, 0.9);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            opacity: 0;
            transform: translateY(8px);
            transition: all var(--transition);
            z-index: 3;
        }
        .category-card:hover .category-card__arrow { opacity: 1; transform: translateY(0); }

        /* ===== 流程图 ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            position: relative;
        }
        .flow-step {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            position: relative;
        }
        .flow-step__number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }
        .flow-step h4 { margin-bottom: 8px; font-size: 1rem; }
        .flow-step p { font-size: 0.85rem; margin-bottom: 0; color: var(--text-muted); }
        .flow-step::after {
            content: '→';
            position: absolute;
            right: -16px;
            top: 24px;
            font-size: 1.6rem;
            color: var(--accent);
            opacity: 0.4;
            font-weight: 300;
        }
        .flow-step:last-child::after { display: none; }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-item__question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            color: var(--text-primary);
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-item__question:hover { background: var(--bg-muted); }
        .faq-item__question i {
            font-size: 1.2rem;
            color: var(--accent-dark);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-item__question i { transform: rotate(180deg); }
        .faq-item__answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-item__answer {
            padding: 0 24px 20px;
            max-height: 400px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--spacing-4xl) 24px;
        }
        .cta-inner h2 { color: #fff; margin-bottom: 16px; }
        .cta-inner p { color: rgba(255,255,255,0.6); max-width: 540px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-inner .btn { margin: 0 8px; }

        /* ===== 页脚 ===== */
        .footer {
            background: #0c1438;
            border-top: 1px solid rgba(255,255,255,0.04);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
        }
        .footer__brand .header__logo { position: static; transform: none; justify-content: flex-start; margin-bottom: 16px; font-size: 1.15rem; }
        .footer__brand p { font-size: 0.88rem; color: rgba(255,255,255,0.45); max-width: 320px; }
        .footer__social { display: flex; gap: 12px; margin-top: 20px; }
        .footer__social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            font-size: 1rem;
            transition: all var(--transition);
            border: 1px solid rgba(255,255,255,0.04);
        }
        .footer__social a:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); transform: translateY(-2px); }
        .footer__col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer__col a {
            display: block;
            color: rgba(255,255,255,0.45);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: all var(--transition);
        }
        .footer__col a:hover { color: var(--accent); padding-left: 4px; }
        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.04);
            margin-top: var(--spacing-2xl);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.3);
        }
        .footer__bottom a { color: rgba(255,255,255,0.3); }
        .footer__bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-step::after { display: none; }
            .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
        }

        @media (max-width: 768px) {
            .section { padding: var(--spacing-3xl) 0; }
            .hero { min-height: 90vh; padding: 100px 20px 60px; }
            .hero__stats { gap: 24px; margin-top: 36px; }
            .hero__stat-number { font-size: 1.8rem; }
            .about-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
            .about-grid__image { aspect-ratio: 16 / 10; }
            .about-features { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; }
            .news-item__thumb { width: 100%; height: 160px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
            .stats-item__number { font-size: 2rem; }
            .flow-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
            .footer__grid { grid-template-columns: 1fr; }
            .footer__bottom { flex-direction: column; text-align: center; }
            .cta-inner { padding: var(--spacing-3xl) 20px; }
            .hero__actions .btn { width: 100%; justify-content: center; }
        }

        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .hero__title { font-size: 1.8rem; }
            .hero__text { font-size: 1rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
            .stats-item { padding: var(--spacing-md); }
            .flow-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .section__header { margin-bottom: var(--spacing-xl); }
            .faq-item__question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-item__answer { padding: 0 16px; font-size: 0.88rem; }
            .faq-item.open .faq-item__answer { padding: 0 16px 16px; }
            .btn--lg { padding: 14px 28px; font-size: 0.95rem; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: var(--spacing-lg); }
        .mt-2 { margin-top: var(--spacing-xl); }
        .mt-3 { margin-top: var(--spacing-2xl); }
        .mb-1 { margin-bottom: var(--spacing-lg); }
        .mb-2 { margin-bottom: var(--spacing-xl); }
        .gap-sm { gap: var(--spacing-md); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .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; }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #1a3a5c;
  --color-primary-light: #2a5a8c;
  --color-primary-dark: #0f2440;
  --color-accent: #d4a843;
  --color-accent-light: #e8c46a;
  --color-accent-dark: #b8912e;
  --color-bg: #f8f9fb;
  --color-bg-alt: #edf0f5;
  --color-bg-dark: #0f1a2e;
  --color-text: #1e2a3e;
  --color-text-light: #5a6a7e;
  --color-text-lighter: #8a9aae;
  --color-border: #dce0e6;
  --color-white: #ffffff;
  --color-success: #2d9b6e;
  --color-error: #c44545;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.75rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 3.75rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.08), 0 6px 16px rgba(0,0,0,0.04);
  --shadow-xl: 0 28px 60px rgba(0,0,0,0.10);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
}
/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent); }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-primary); }
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }
/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== 标题辅助 ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
.section-title {
  font-size: var(--font-size-2xl);
  margin-bottom: 16px;
  color: var(--color-primary);
}
.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.6;
}
@media (max-width: 768px) {
  .section-title { font-size: var(--font-size-xl); }
  .section-subtitle { font-size: var(--font-size-base); }
}
/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  line-height: 1.4;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(212, 168, 67, 0.06);
}
.btn--sm { padding: 8px 18px; font-size: var(--font-size-xs); }
.btn--lg { padding: 16px 36px; font-size: var(--font-size-md); }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 100px;
  background: rgba(212, 168, 67, 0.12);
  color: var(--color-accent-dark);
  letter-spacing: 0.3px;
}
.badge--primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.badge--light {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}
.tag {
  display: inline-block;
  padding: 3px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.tag:hover { background: var(--color-accent); color: var(--color-primary-dark); border-color: var(--color-accent); }
/* ===== 卡片 ===== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.card__body { padding: 20px 24px 24px; }
.card__title { font-size: var(--font-size-md); margin-bottom: 8px; font-weight: 600; color: var(--color-primary); }
.card__text { font-size: var(--font-size-sm); color: var(--color-text-light); line-height: 1.6; }
.card__meta { display: flex; align-items: center; gap: 12px; font-size: var(--font-size-xs); color: var(--color-text-lighter); margin-top: 12px; }
/* ===== Header / 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}
.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.header__nav-left,
.header__nav-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.header__link {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.header__link:hover { color: var(--color-accent); background: rgba(212,168,67,0.06); }
.header__link--active {
  color: var(--color-accent-dark);
  font-weight: 600;
}
.header__link--active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 3px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.header__logo i { color: var(--color-accent); font-size: 1.4em; }
.header__logo:hover { color: var(--color-primary); }
.header__actions { display: flex; align-items: center; gap: 12px; }
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
  background: none;
  border: none;
}
.header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}
@media (max-width: 768px) {
  .header__nav-left,
  .header__nav-right { display: none; }
  .header__toggle { display: flex; }
  .header__logo { position: static; transform: none; font-size: var(--font-size-base); }
  .header__container { justify-content: space-between; }
  .header.mobile-open .header__nav-left,
  .header.mobile-open .header__nav-right {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  .header.mobile-open .header__nav-left { top: var(--header-height); }
  .header.mobile-open .header__nav-right { top: calc(var(--header-height) + 160px); }
}
/* ===== Hero ===== */
.article-hero {
  padding: calc(var(--header-height) + 48px) 0 60px;
  background: var(--color-bg-dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  position: relative;
  color: var(--color-white);
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,26,46,0.88) 0%, rgba(26,58,92,0.72) 100%);
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 2; }
.article-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.article-hero__breadcrumb a { color: rgba(255,255,255,0.8); }
.article-hero__breadcrumb a:hover { color: var(--color-accent); }
.article-hero__category {
  display: inline-block;
  padding: 4px 16px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: 100px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.article-hero__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  max-width: 800px;
  line-height: 1.25;
  margin-bottom: 16px;
  font-weight: 800;
}
.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
}
.article-hero__meta i { margin-right: 6px; color: var(--color-accent); }
.article-hero__desc {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.85);
  max-width: 720px;
  margin-top: 16px;
  line-height: 1.6;
}
@media (max-width: 768px) {
  .article-hero { padding: calc(var(--header-height) + 24px) 0 36px; }
  .article-hero__title { font-size: var(--font-size-xl); }
  .article-hero__desc { font-size: var(--font-size-base); }
  .article-hero__meta { gap: 10px 18px; }
}
/* ===== 文章正文 ===== */
.article-main {
  padding: 56px 0 64px;
  background: var(--color-white);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
}
.article-content {
  font-size: var(--font-size-md);
  line-height: 1.85;
  color: var(--color-text);
}
.article-content h2 {
  font-size: var(--font-size-xl);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-bg-alt);
}
.article-content h3 {
  font-size: var(--font-size-lg);
  margin-top: 32px;
  margin-bottom: 12px;
}
.article-content h4 {
  font-size: var(--font-size-md);
  margin-top: 24px;
  margin-bottom: 8px;
  font-weight: 600;
}
.article-content p {
  margin-bottom: 20px;
  color: var(--color-text);
}
.article-content a { color: var(--color-primary-light); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--color-accent); }
.article-content img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  box-shadow: var(--shadow-md);
  width: 100%;
}
.article-content blockquote {
  margin: 24px 0;
  padding: 20px 28px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-light);
  font-style: italic;
  font-size: var(--font-size-md);
}
.article-content ul,
.article-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--color-primary);
}
.article-content pre {
  background: var(--color-bg-dark);
  color: #e8eef5;
  padding: 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin: 24px 0;
}
.article-content pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.article-content th,
.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.article-content th { background: var(--color-bg-alt); font-weight: 600; color: var(--color-primary); }
.article-content hr {
  margin: 40px 0;
  border: none;
  height: 1px;
  background: var(--color-border);
}
/* 侧边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
}
.sidebar-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card__title i { color: var(--color-accent); }
.sidebar-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.sidebar-list a:hover { color: var(--color-accent); padding-left: 4px; }
.sidebar-list a i { color: var(--color-accent); font-size: 0.8em; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tags .tag { font-size: var(--font-size-xs); }
/* 文章底部 */
.article-footer-bar {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.article-tags span { font-size: var(--font-size-sm); color: var(--color-text-light); font-weight: 500; }
.article-share { display: flex; align-items: center; gap: 10px; }
.article-share span { font-size: var(--font-size-sm); color: var(--color-text-light); }
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  transition: var(--transition);
  font-size: var(--font-size-base);
}
.article-share a:hover { background: var(--color-accent); color: var(--color-primary-dark); }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 640px) {
  .article-sidebar { grid-template-columns: 1fr; }
  .article-footer-bar { flex-direction: column; align-items: flex-start; }
}
/* ===== 推荐分类 ===== */
.section-recommend {
  padding: 64px 0;
  background: var(--color-bg);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.recommend-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  text-align: center;
}
.recommend-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}
.recommend-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(212,168,67,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-accent);
}
.recommend-card h4 { font-size: var(--font-size-base); margin-bottom: 8px; color: var(--color-primary); }
.recommend-card p { font-size: var(--font-size-sm); color: var(--color-text-light); line-height: 1.5; }
.recommend-card .btn { margin-top: 16px; }
@media (max-width: 768px) {
  .recommend-grid { grid-template-columns: 1fr; }
}
/* ===== CTA ===== */
.cta-section {
  padding: 64px 0;
  background: var(--color-bg-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  position: relative;
  color: var(--color-white);
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,26,46,0.9) 0%, rgba(26,58,92,0.78) 100%);
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: var(--font-size-2xl); color: var(--color-white); margin-bottom: 12px; }
.cta-section p { font-size: var(--font-size-md); color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 28px; }
.cta-section .btn--primary { font-size: var(--font-size-base); padding: 14px 36px; }
@media (max-width: 768px) {
  .cta-section h2 { font-size: var(--font-size-xl); }
  .cta-section p { font-size: var(--font-size-base); }
}
/* ===== 页脚 ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand .header__logo {
  position: static;
  transform: none;
  color: var(--color-white);
  margin-bottom: 16px;
  font-size: var(--font-size-lg);
}
.footer__brand p { font-size: var(--font-size-sm); line-height: 1.7; max-width: 360px; }
.footer__social { display: flex; gap: 12px; margin-top: 20px; }
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  font-size: 1.1rem;
}
.footer__social a:hover { background: var(--color-accent); color: var(--color-primary-dark); }
.footer__col h4 {
  font-size: var(--font-size-base);
  color: var(--color-white);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer__col a {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  padding: 6px 0;
  transition: var(--transition);
}
.footer__col a:hover { color: var(--color-accent); padding-left: 4px; }
.footer__col a i { margin-right: 6px; color: var(--color-accent); width: 18px; text-align: center; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
}
.footer__bottom a { color: rgba(255,255,255,0.4); }
.footer__bottom a:hover { color: var(--color-accent); }
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}
/* ===== 错误状态 ===== */
.not-found-wrap {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.not-found-wrap i { font-size: 4rem; color: var(--color-accent); margin-bottom: 24px; }
.not-found-wrap h2 { font-size: var(--font-size-2xl); margin-bottom: 12px; }
.not-found-wrap p { color: var(--color-text-light); margin-bottom: 24px; }
/* ===== 响应式通用 ===== */
@media (max-width: 1024px) {
  :root { --font-size-3xl: 2.4rem; --font-size-2xl: 1.8rem; --font-size-xl: 1.4rem; }
}
@media (max-width: 520px) {
  :root { --font-size-3xl: 1.8rem; --font-size-2xl: 1.4rem; --font-size-xl: 1.2rem; --font-size-lg: 1.1rem; }
}
/* ===== 打印 ===== */
@media print {
  .header, .footer, .cta-section, .section-recommend, .article-sidebar { display: none; }
  .article-hero { padding: 20px 0; background: none !important; color: #000; }
  .article-hero::before { display: none; }
  .article-hero__title { color: #000; }
  .article-hero__meta { color: #666; }
  .article-main { padding: 20px 0; }
  .article-layout { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a56db;
            --primary-light: #3b82f6;
            --primary-dark: #1e40af;
            --primary-bg: #eef2ff;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --accent-bg: #d1fae5;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-inverse: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --spacing-section: 80px;
            --spacing-block: 40px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        .text-center {
            text-align: center;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 680px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        /* ===== Header / Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            position: relative;
        }
        .header__nav-left {
            display: flex;
            align-items: center;
            gap: 8px;
            position: absolute;
            left: 24px;
            top: 50%;
            transform: translateY(-50%);
        }
        .header__nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
        }
        .header__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .header__link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .header__link--active {
            color: var(--primary) !important;
            background: var(--primary-bg);
            font-weight: 600;
        }
        .header__link--active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }
        .header__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            text-decoration: none;
            transition: opacity var(--transition);
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
        }
        .header__logo i {
            font-size: 1.5rem;
            color: var(--primary);
        }
        .header__logo:hover {
            opacity: 0.85;
            color: var(--text);
        }
        .header__btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-inverse);
            background: var(--primary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .header__btn:hover {
            background: var(--primary-dark);
            color: var(--text-inverse);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .header__mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background var(--transition);
        }
        .header__mobile-toggle:hover {
            background: var(--bg-alt);
        }
        .header__mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }
        .header__mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Hero / Banner ===== */
        .hero {
            padding-top: calc(var(--header-height) + 20px);
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
            overflow: hidden;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 41, 59, 0.7) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
        }
        .hero__bread {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 18px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .hero__bread a {
            color: rgba(255, 255, 255, 0.8);
        }
        .hero__bread a:hover {
            color: var(--secondary-light);
        }
        .hero__bread span {
            color: var(--secondary-light);
        }
        .hero__title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-inverse);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero__title i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .hero__desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero__actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 86, 219, 0.35);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-inverse);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-dark .section-title {
            color: var(--text-inverse);
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .category-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .category-card__img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
        }
        .category-card__body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card__tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .category-card__title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .category-card__desc {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .category-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .category-card__link:hover {
            gap: 12px;
        }

        /* ===== Event List ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .event-card__meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .event-card__meta i {
            width: 16px;
            color: var(--primary);
        }
        .event-card__badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            background: var(--accent-bg);
            color: var(--accent);
            margin-left: 4px;
        }
        .event-card__badge.hot {
            background: #fef3c7;
            color: #d97706;
        }
        .event-card__badge.new {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .event-card__title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card__excerpt {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .event-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }
        .event-card__price {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
        }
        .event-card__price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-light);
        }
        .event-card__btn {
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--text-inverse);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .event-card__btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .stat-item__icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .stat-item__number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-inverse);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item__number .suffix {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--secondary);
        }
        .stat-item__label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ===== Process / Flow ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step__number {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-inverse);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.3);
            position: relative;
            z-index: 2;
        }
        .process-step__title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .process-step__desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 40px);
            right: calc(-50% + 40px);
            height: 2px;
            background: var(--border);
            z-index: 1;
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item.open {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: color var(--transition);
        }
        .faq-item__question i {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .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;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: var(--text-inverse);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-box .section-title {
            color: var(--text-inverse);
        }
        .cta-box .section-desc {
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-box .btn {
            position: relative;
            z-index: 2;
        }
        .cta-box .btn-primary {
            background: var(--text-inverse);
            color: var(--primary);
        }
        .cta-box .btn-primary:hover {
            background: var(--secondary-light);
            color: var(--bg-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .cta-box .btn-secondary {
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--text-inverse);
        }
        .cta-box .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer__brand .header__logo {
            position: static;
            transform: none;
            justify-content: flex-start;
            color: var(--text-inverse);
            margin-bottom: 16px;
            font-size: 1.25rem;
        }
        .footer__brand .header__logo i {
            color: var(--secondary);
        }
        .footer__brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer__social {
            display: flex;
            gap: 12px;
        }
        .footer__social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer__social a:hover {
            background: var(--primary);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }
        .footer__col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer__col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer__col a:hover {
            color: var(--secondary-light);
            padding-left: 4px;
        }
        .footer__col a i {
            margin-right: 8px;
            width: 18px;
            color: var(--secondary);
        }
        .footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer__bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer__bottom a:hover {
            color: var(--secondary-light);
        }
        .footer__bottom span a {
            margin: 0 4px;
        }

        /* ===== Mobile Menu ===== */
        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --header-height: 64px;
            }
            .header__nav-left,
            .header__nav-right {
                display: none;
            }
            .header__mobile-toggle {
                display: block;
                position: absolute;
                left: 16px;
                top: 50%;
                transform: translateY(-50%);
                z-index: 10;
            }
            .header__logo {
                font-size: 1.15rem;
                gap: 8px;
            }
            .header__logo i {
                font-size: 1.2rem;
            }
            .header__nav-right-mobile {
                display: flex;
                align-items: center;
                gap: 8px;
                position: absolute;
                right: 16px;
                top: 50%;
                transform: translateY(-50%);
                z-index: 10;
            }
            .header__nav-right-mobile .header__btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            /* Mobile drawer */
            .header__mobile-drawer {
                position: fixed;
                top: 0;
                left: -300px;
                width: 280px;
                height: 100vh;
                background: var(--bg);
                z-index: 999;
                padding: 80px 24px 32px;
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.1);
                transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                display: flex;
                flex-direction: column;
                gap: 8px;
                overflow-y: auto;
            }
            .header__mobile-drawer.open {
                left: 0;
            }
            .header__mobile-drawer .header__link {
                display: block;
                padding: 12px 16px;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
            }
            .header__mobile-drawer .header__link--active {
                background: var(--primary-bg);
            }
            .header__mobile-drawer .header__link--active::after {
                display: none;
            }
            .header__mobile-drawer .header__btn {
                margin-top: 16px;
                justify-content: center;
            }

            .hero {
                min-height: 320px;
                padding-top: calc(var(--header-height) + 8px);
            }
            .hero .container {
                padding: 40px 16px;
            }
            .hero__title {
                font-size: 2rem;
            }
            .hero__desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .event-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item__number {
                font-size: 2rem;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .process-step::after {
                display: none;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer__brand {
                grid-column: 1 / -1;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .event-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero__title {
                font-size: 1.6rem;
            }
            .hero__actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero__actions .btn {
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item__number {
                font-size: 1.6rem;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 32px 16px;
                border-radius: var(--radius);
            }
            .cta-box .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-item__question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item__answer {
                padding: 0 16px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-item__answer {
                padding: 0 16px 16px;
            }
        }

        @media (min-width: 769px) {
            .header__mobile-drawer,
            .header__mobile-toggle,
            .header__nav-right-mobile {
                display: none !important;
            }
            .header__mobile-overlay {
                display: none !important;
            }
        }

        /* ===== Animation ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade {
            animation: fadeInUp 0.6s ease forwards;
        }
        .anim-delay-1 {
            animation-delay: 0.1s;
        }
        .anim-delay-2 {
            animation-delay: 0.2s;
        }
        .anim-delay-3 {
            animation-delay: 0.3s;
        }
        .anim-delay-4 {
            animation-delay: 0.4s;
        }