/* roulang page: index */
:root {
            --primary: #B8860B;
            --primary-light: #D4A844;
            --primary-dark: #8B6914;
            --secondary: #2C1810;
            --accent: #A0522D;
            --bg-cream: #F5F0E8;
            --bg-dark: #1E1410;
            --bg-card: #FFFFFF;
            --text-main: #2C1810;
            --text-muted: #7A6E62;
            --text-on-dark: #F0E9E0;
            --border-light: #E8DCCE;
            --border-dark: rgba(255, 255, 255, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 10px rgba(44, 24, 16, 0.06);
            --shadow-md: 0 8px 28px rgba(44, 24, 16, 0.08);
            --shadow-lg: 0 18px 46px rgba(44, 24, 16, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.7);
            --glass-border: rgba(255, 255, 255, 0.42);
            --transition: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-cream);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Glass Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid var(--glass-border);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 8px 32px rgba(44, 24, 16, 0.1);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }
        .brand-logo {
            font-family: "Georgia", "Songti SC", serif;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo::before {
            content: "◆";
            font-size: 18px;
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
        }
        .nav-link:hover {
            background: rgba(184, 134, 11, 0.1);
            color: var(--primary-dark);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(184, 134, 11, 0.35);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 140px 0 100px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            isolation: isolate;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 20, 16, 0.82) 0%, rgba(44, 24, 16, 0.55) 55%, rgba(184, 134, 11, 0.25) 100%);
            z-index: -1;
        }
        .hero-content {
            text-align: center;
            max-width: 700px;
            color: var(--text-on-dark);
            animation: fadeUp 0.9s ease both;
        }
        .hero-content .eyebrow {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: #f0e6d0;
            margin-bottom: 22px;
        }
        .hero-content h1 {
            font-size: 52px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 2px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .hero-content p {
            font-size: 18px;
            color: rgba(240, 233, 224, 0.88);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(184, 134, 11, 0.45);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 3px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stats .stat {
            text-align: center;
            color: var(--text-on-dark);
        }
        .hero-stats .stat-num {
            font-size: 34px;
            font-weight: 800;
            display: block;
            color: #fff;
        }
        .hero-stats .stat-label {
            font-size: 13px;
            opacity: 0.75;
            letter-spacing: 1px;
        }

        /* ===== Section ===== */
        .section {
            padding: 100px 0;
        }
        .section-head {
            max-width: 640px;
            margin-bottom: 52px;
        }
        .section-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(184, 134, 11, 0.1);
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 36px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== About ===== */
        .about-section {
            background: var(--bg-cream);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #fff;
            transform: rotate(-1deg);
            transition: transform var(--transition);
        }
        .about-image:hover {
            transform: rotate(0deg) scale(1.01);
        }
        .about-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .about-text h3 {
            font-size: 28px;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .about-features {
            list-style: none;
            margin-top: 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }
        .about-features li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(184, 134, 11, 0.15);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ===== Category Cards ===== */
        .category-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .category-section .section-head h2 {
            color: var(--text-on-dark);
        }
        .category-section .section-head p {
            color: rgba(240, 233, 224, 0.7);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            padding: 32px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .category-card:hover {
            transform: translateY(-6px);
            border-color: rgba(184, 134, 11, 0.5);
            box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
        }
        .category-card .card-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(184, 134, 11, 0.2);
            border: 1px solid rgba(184, 134, 11, 0.35);
            font-size: 24px;
            margin-bottom: 20px;
        }
        .category-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .category-card p {
            color: rgba(240, 233, 224, 0.72);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 22px;
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 600;
            font-size: 14px;
        }
        .category-card .card-link:hover {
            gap: 10px;
        }
        .category-card .card-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 100%;
            object-fit: cover;
            opacity: 0.08;
            pointer-events: none;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        }

        /* ===== News List ===== */
        .news-section {
            background: var(--bg-cream);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-item {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(184, 134, 11, 0.4);
        }
        .news-item .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(184, 134, 11, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .news-item .news-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .news-item .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .news-item .news-time {
            font-size: 12px;
            color: #b3a89e;
        }
        .empty-tips {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }

        /* ===== Data / Stats ===== */
        .stats-section {
            background: linear-gradient(135deg, #2C1810 0%, #4A2A18 100%);
            color: var(--text-on-dark);
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stats-grid .stat-item {
            padding: 20px;
        }
        .stats-grid .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
            margin-bottom: 6px;
        }
        .stats-grid .stat-label {
            font-size: 14px;
            color: rgba(240, 233, 224, 0.65);
            letter-spacing: 1px;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-cream);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            box-shadow: 0 6px 16px rgba(184, 134, 11, 0.3);
        }
        .process-step h4 {
            font-size: 17px;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-cream);
            padding-bottom: 80px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-main);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item .faq-body {
            padding: 0 28px 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            isolation: isolate;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 20, 16, 0.85), rgba(44, 24, 16, 0.6));
            z-index: -1;
        }
        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            color: var(--text-on-dark);
        }
        .cta-inner h2 {
            font-size: 36px;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-inner p {
            font-size: 17px;
            color: rgba(240, 233, 224, 0.82);
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: rgba(240, 233, 224, 0.6);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-links h4,
        .footer-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .footer-links a {
            display: block;
            color: rgba(240, 233, 224, 0.55);
            font-size: 14px;
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .footer-info p {
            color: rgba(240, 233, 224, 0.55);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(240, 233, 224, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 42px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                width: 100%;
                background: var(--glass-bg);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--glass-border);
                box-shadow: 0 18px 36px rgba(0, 0, 0, 0.1);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .hero {
                min-height: 520px;
                padding: 120px 0 70px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .category-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
                max-width: 280px;
                margin: 0 auto;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .about-features {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root {
    --primary: #b98a3e;
    --primary-dark: #8a6425;
    --accent: #c96f4a;
    --accent-soft: #f3e0d3;
    --bg: #f7f2e9;
    --bg-alt: #efe6d5;
    --bg-deep: #2c2822;
    --ink: #2b2620;
    --ink-soft: #6e6657;
    --line: #ddd2bf;
    --white: #fffdf9;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 10px 30px rgba(44, 40, 34, 0.08);
    --shadow-hover: 0 18px 44px rgba(44, 40, 34, 0.16);
    --space: clamp(72px, 9vw, 128px);
    --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --header-h: 76px;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}
body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    background-image:
        radial-gradient(rgba(43, 38, 32, 0.035) 1px, transparent 1px),
        radial-gradient(circle at 15% 12%, rgba(185, 138, 62, 0.05), transparent 30%),
        radial-gradient(circle at 85% 20%, rgba(201, 111, 74, 0.04), transparent 32%);
    background-size: 22px 22px, auto, auto;
    color: var(--ink);
    line-height: 1.75;
    min-height: 100vh;
    overflow-x: hidden;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}
button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}
ul, ol {
    list-style: none;
}

/* ============ 容器 / 通用布局 ============ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section {
    padding: var(--space) 0;
}

/* ============ 栅格通用 ============ */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    position: relative;
}
.steps-grid::before {
    content: "";
    position: absolute;
    top: 52px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.32;
    z-index: 0;
}

/* ============ 导航 ============ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(247, 242, 233, 0.92);
    border-bottom: 1px solid rgba(255, 253, 249, 0.3);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
@supports (backdrop-filter: blur(18px)) {
    .site-header {
        background: rgba(247, 242, 233, 0.68);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }
}
.site-header.scrolled {
    background: rgba(247, 242, 233, 0.95);
    box-shadow: 0 6px 24px rgba(44, 40, 34, 0.1);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.brand-logo {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 1px;
    position: relative;
    z-index: 2;
    line-height: 1.2;
}
.brand-logo:hover {
    color: var(--primary-dark);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
}
.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink-soft);
    padding: 6px 0;
    line-height: 1.4;
}
.nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.28s ease;
}
.nav-link:hover {
    color: var(--ink);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link.active {
    color: var(--ink);
    font-weight: 600;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px 6px;
    z-index: 20;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.btn i {
    font-size: 14px;
}
.btn-gold {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.btn-gold:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(185, 138, 62, 0.3);
}
.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary-dark);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(185, 138, 62, 0.22);
}
.btn-outline-light {
    background: transparent;
    border-color: rgba(255, 253, 249, 0.75);
    color: var(--white);
}
.btn-outline-light:hover {
    background: var(--white);
    color: var(--ink);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}
.btn:focus-visible,
.nav-link:focus-visible,
.qa-card a:focus-visible,
.footer-links a:focus-visible {
    outline: 3px solid rgba(185, 138, 62, 0.55);
    outline-offset: 3px;
}

/* ============ 页面主体 Banner ============ */
.page-hero {
    position: relative;
    padding: calc(var(--header-h) + 90px) 0 110px;
    background:
        linear-gradient(120deg, rgba(44, 40, 34, 0.84), rgba(44, 40, 34, 0.58)),
        url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    color: var(--white);
    overflow: hidden;
}
.page-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, var(--bg));
    opacity: 0.45;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 253, 249, 0.72);
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: rgba(255, 253, 249, 0.85);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--white);
}
.breadcrumb-sep {
    opacity: 0.5;
}
.breadcrumb-current {
    color: rgba(255, 253, 249, 0.92);
    font-weight: 600;
}
.page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(36px, 6vw, 58px);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: 2px;
    max-width: 800px;
}
.hero-lead {
    font-size: clamp(16px, 2vw, 19px);
    max-width: 620px;
    color: rgba(255, 253, 249, 0.86);
    margin-bottom: 36px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============ 板块标题 ============ */
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto clamp(40px, 6vw, 64px);
}
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 14px;
}
.section-desc {
    color: var(--ink-soft);
    font-size: 16px;
}
.latest-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}
.latest-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.4vw, 36px);
    margin-top: 4px;
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-dark);
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
    transition: border-color 0.2s;
}
.text-link:hover {
    border-color: var(--primary);
}

/* ============ 攻略中心介绍 ============ */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.intro-text h2 {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.2vw, 36px);
    line-height: 1.3;
    margin: 8px 0 18px;
}
.intro-text p {
    color: var(--ink-soft);
    margin-bottom: 22px;
    font-size: 16px;
}
.check-list {
    margin-bottom: 28px;
}
.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--ink);
}
.check-list i {
    width: 22px;
    height: 22px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.intro-media {
    position: relative;
}
.intro-media img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 4px solid var(--white);
}
.media-badge {
    position: absolute;
    right: -14px;
    top: 34px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 999px;
    box-shadow: 0 10px 22px rgba(201, 111, 74, 0.35);
    display: flex;
    align-items: center;
    gap: 8px;
    transform: rotate(3deg);
}
.media-badge i {
    color: #fbe08a;
}

/* ============ 攻略卡片 ============ */
.guide-list-section {
    background: linear-gradient(180deg, var(--bg-alt), rgba(239, 230, 213, 0.5));
}
.guide-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.guide-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}
.guide-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.guide-card:hover .guide-cover img {
    transform: scale(1.04);
}
.guide-tag {
    position: absolute;
    left: 16px;
    top: 14px;
    background: rgba(44, 40, 34, 0.76);
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.22);
}
.guide-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.guide-body h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.35;
    margin-bottom: 10px;
    transition: color 0.2s;
}
.guide-card:hover .guide-body h3 {
    color: var(--primary-dark);
}
.guide-body p {
    color: var(--ink-soft);
    font-size: 14px;
    flex: 1;
    margin-bottom: 18px;
}
.guide-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed var(--line);
    padding-top: 14px;
    font-size: 13px;
    color: var(--ink-soft);
}
.guide-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.guide-meta i {
    color: var(--primary);
    font-size: 12px;
}

/* ============ 数据统计 ============ */
.stats-strip {
    background: var(--bg-deep);
    padding: 72px 0;
    color: var(--white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}
.stat-item {
    position: relative;
    padding: 16px;
}
.stat-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.14);
}
.stat-num {
    font-family: var(--font-serif);
    font-size: clamp(40px, 5vw, 58px);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 6px;
}
.stat-label {
    color: rgba(255, 253, 249, 0.78);
    font-size: 15px;
    letter-spacing: 1px;
}

/* ============ 流程步骤 ============ */
.steps-section {
    background: var(--bg);
}
.step-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 2;
    min-height: 220px;
}
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.step-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(185, 138, 62, 0.3);
}
.step-card h3 {
    font-family: var(--font-serif);
    font-size: 19px;
    margin-bottom: 10px;
}
.step-card p {
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.7;
}

/* ============ 最新攻略列表 ============ */
.latest-section {
    background: linear-gradient(180deg, rgba(239, 230, 213, 0.45), var(--bg-alt));
}
.latest-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.latest-item {
    display: flex;
    align-items: center;
    gap: 26px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.latest-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.latest-thumb {
    width: 230px;
    height: 140px;
    object-fit: cover;
    border-radius: 12px;
    flex-shrink: 0;
}
.latest-body {
    flex: 1;
}
.latest-date {
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}
.latest-body h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    margin-bottom: 8px;
    transition: color 0.2s;
}
.latest-item:hover .latest-body h3 {
    color: var(--primary-dark);
}
.latest-body p {
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.7;
}
.latest-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
    flex-shrink: 0;
}
.latest-item:hover .latest-arrow {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* ============ FAQ ============ */
.faq-section {
    background: var(--bg);
}
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.25s;
}
.faq-item:hover {
    box-shadow: var(--shadow-hover);
}
.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 20px 26px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    color: var(--ink);
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-icon {
    color: var(--primary);
    font-size: 15px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}
.faq-body {
    padding: 0 26px 22px;
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.8;
    border-top: 1px dashed var(--line);
    padding-top: 16px;
    margin-top: 0;
}

/* ============ 底部号召 CTA ============ */
.cta-panel {
    padding: 0 0 var(--space);
    background: var(--bg);
}
.cta-box {
    background:
        linear-gradient(120deg, rgba(44, 40, 34, 0.9), rgba(44, 40, 34, 0.72)),
        url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    border-radius: var(--radius-lg);
    color: var(--white);
    text-align: center;
    padding: clamp(44px, 6vw, 80px) 24px;
    box-shadow: 0 24px 60px rgba(44, 40, 34, 0.2);
}
.cta-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 24px;
    color: var(--white);
    box-shadow: 0 10px 24px rgba(185, 138, 62, 0.45);
}
.cta-box h2 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3.4vw, 34px);
    margin-bottom: 12px;
}
.cta-box p {
    color: rgba(255, 253, 249, 0.82);
    max-width: 560px;
    margin: 0 auto 30px;
    font-size: 15px;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--bg-deep);
    color: rgba(255, 253, 249, 0.72);
    padding: 64px 0 0;
    border-top: 4px solid var(--primary);
}
.site-footer a {
    color: rgba(255, 253, 249, 0.72);
    transition: color 0.2s;
}
.site-footer a:hover {
    color: var(--white);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
}
.footer-brand .footer-logo {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
    display: inline-block;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 253, 249, 0.6);
    max-width: 320px;
    margin-top: 10px;
}
.footer-links h4,
.footer-info h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    font-size: 14px;
    width: fit-content;
}
.footer-info p {
    font-size: 14px;
    margin-bottom: 8px;
    color: rgba(255, 253, 249, 0.62);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 253, 249, 0.45);
}
.footer-bottom p {
    margin: 0;
}

/* ============ 滚动显现动画 ============ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid::before {
        display: none;
    }
    .intro-grid {
        gap: 40px;
    }
    .cta-box {
        padding: 56px 28px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 68px;
    }
    .nav-toggle {
        display: flex;
    }
    .main-nav {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 80px 40px;
        gap: 24px;
        box-shadow: -12px 0 40px rgba(44, 40, 34, 0.14);
        transition: right 0.32s ease;
        z-index: 10;
        border-left: 1px solid var(--line);
    }
    .main-nav.open {
        right: 0;
    }
    .nav-link {
        font-size: 18px;
    }
    .page-hero {
        padding: calc(var(--header-h) + 56px) 0 80px;
    }
    .intro-grid {
        grid-template-columns: 1fr;
    }
    .intro-media {
        max-width: 520px;
    }
    .media-badge {
        right: 8px;
        top: 20px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .stat-item:not(:last-child)::after {
        display: none;
    }
    .latest-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .latest-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 8;
    }
    .latest-arrow {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .cta-box {
        padding: 44px 22px;
    }
    .cta-box h2 {
        font-size: 24px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }
    .guide-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .step-card {
        min-height: 0;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .btn {
        justify-content: center;
    }
    .latest-head {
        align-items: flex-start;
        flex-direction: column;
    }
    .faq-item summary {
        font-size: 15px;
        padding: 18px 20px;
    }
    .faq-body {
        padding: 0 20px 18px;
        padding-top: 14px;
    }
    .footer-bottom {
        padding: 18px 12px;
    }
}

/* roulang page: article */
:root {
            --bg: #15110d;
            --bg-soft: #1f1913;
            --bg-card: #fbf5eb;
            --bg-card-dim: #efe5d6;
            --text: #f2ece1;
            --text-dim: #b5ab9c;
            --text-card: #2a241c;
            --primary: #d98e4a;
            --primary-hover: #f0a862;
            --secondary: #7ba88f;
            --border: rgba(242, 236, 225, 0.12);
            --border-card: #d8cdb8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", Georgia, "Times New Roman", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(21, 17, 13, 0.62);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
        }
        .site-header.scrolled {
            background: rgba(21, 17, 13, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
            border-bottom-color: rgba(217, 142, 74, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color 0.3s;
        }
        .brand-logo:hover {
            color: var(--primary-hover);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .nav-link {
            color: var(--text);
            text-decoration: none;
            font-size: 15px;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(217, 142, 74, 0.08);
            border-color: rgba(217, 142, 74, 0.25);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(217, 142, 74, 0.12);
            border-color: rgba(217, 142, 74, 0.35);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: 8px;
            transition: background 0.25s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            margin: 4px 0;
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* 文章首屏 */
        .article-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 160px 0 64px;
            overflow: hidden;
            background: var(--bg);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            transform: scale(1.06);
            opacity: 0.4;
            z-index: 0;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(21, 17, 13, 0.95) 0%, rgba(21, 17, 13, 0.75) 48%, rgba(21, 17, 13, 0.45) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero__content {
            max-width: 760px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(217, 142, 74, 0.14);
            border: 1px dashed rgba(217, 142, 74, 0.45);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            margin-bottom: 20px;
        }
        .article-hero__title {
            font-family: var(--font-serif);
            font-size: 38px;
            line-height: 1.35;
            margin: 0 0 16px;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .article-hero__desc {
            color: var(--text-dim);
            font-size: 16px;
            line-height: 1.85;
            margin: 0 0 28px;
            max-width: 640px;
        }
        .article-hero__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            color: var(--text-dim);
            font-size: 14px;
        }
        .article-hero__meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-hero__meta .meta-label {
            font-size: 12px;
            color: var(--primary);
            border: 1px solid rgba(217, 142, 74, 0.3);
            background: rgba(217, 142, 74, 0.08);
            padding: 2px 10px;
            border-radius: 999px;
            letter-spacing: 0.05em;
        }

        /* 文章主体 */
        .article-section {
            padding: 64px 0 80px;
            background: var(--bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            align-items: start;
        }
        .article-paper {
            background: linear-gradient(145deg, #fdf8ef 0%, #f5ecde 100%);
            color: var(--text-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.4);
            box-shadow: var(--shadow-card);
            padding: 52px;
            line-height: 1.95;
            font-size: 16px;
            overflow-wrap: break-word;
        }
        .article-paper h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            margin: 40px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-card);
            color: #2a241c;
        }
        .article-paper h3 {
            font-family: var(--font-serif);
            font-size: 21px;
            margin: 28px 0 14px;
            color: #2a241c;
        }
        .article-paper p {
            margin-bottom: 20px;
            color: #3c3428;
        }
        .article-paper ul,
        .article-paper ol {
            margin: 16px 0 24px;
            padding-left: 28px;
            color: #3c3428;
        }
        .article-paper li {
            margin-bottom: 8px;
        }
        .article-paper img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-paper a {
            color: #a85e1f;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }
        .article-paper a:hover {
            color: #c9742e;
        }
        .article-paper blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(217, 142, 74, 0.1);
            padding: 16px 24px;
            border-radius: 0 10px 10px 0;
            margin: 28px 0;
            color: #5a4c3a;
            font-style: italic;
        }
        .article-paper code {
            background: #efe6d8;
            padding: 2px 8px;
            border-radius: 6px;
            font-family: ui-monospace, "SF Mono", Consolas, monospace;
            font-size: 14px;
        }
        .article-paper pre {
            background: #2a241c;
            color: #f2ece1;
            padding: 20px;
            border-radius: 10px;
            overflow-x: auto;
            margin: 24px 0;
            line-height: 1.6;
        }
        .article-paper pre code {
            background: none;
            padding: 0;
            color: inherit;
        }
        .article-paper table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-paper th,
        .article-paper td {
            border: 1px solid var(--border-card);
            padding: 10px 14px;
            text-align: left;
        }
        .article-paper th {
            background: #efe5d6;
            font-weight: 600;
        }
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            color: #2a241c;
            margin-bottom: 16px;
            border: none;
        }
        .not-found p {
            color: #6f675c;
            margin-bottom: 32px;
        }

        /* 侧边栏 */
        .article-aside {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 96px;
        }
        .aside-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
        }
        .aside-card h3 {
            font-size: 17px;
            margin: 0 0 16px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }
        .aside-meta {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .aside-meta li {
            padding: 10px 0;
            border-bottom: 1px dashed rgba(242, 236, 225, 0.12);
            display: flex;
            justify-content: space-between;
            font-size: 14px;
        }
        .aside-meta li:last-child {
            border-bottom: none;
        }
        .aside-meta .meta-key {
            color: var(--text-dim);
        }
        .aside-meta .meta-val {
            color: var(--text);
            text-align: right;
        }
        .aside-recommend a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px dashed rgba(242, 236, 225, 0.12);
            color: var(--text);
            text-decoration: none;
            font-size: 14px;
            line-height: 1.5;
            transition: all 0.25s ease;
        }
        .aside-recommend a:last-child {
            border-bottom: none;
        }
        .aside-recommend a:hover {
            color: var(--primary);
            padding-left: 8px;
        }
        .aside-empty {
            color: var(--text-dim);
            font-size: 14px;
            line-height: 1.6;
        }
        .aside-nav-list {
            display: grid;
            gap: 10px;
        }
        .aside-nav-list a {
            display: block;
            padding: 10px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            color: var(--text);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.25s;
        }
        .aside-nav-list a:hover {
            color: var(--primary);
            border-color: rgba(217, 142, 74, 0.35);
            background: rgba(217, 142, 74, 0.07);
        }

        /* 相关阅读 */
        .related-section {
            padding: 96px 0;
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
            border-top: 1px solid var(--border);
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.1em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
            border: 1px solid rgba(217, 142, 74, 0.35);
            background: rgba(217, 142, 74, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            margin: 0;
        }
        .section-head p {
            color: var(--text-dim);
            margin: 10px 0 0;
            font-size: 15px;
        }
        .rel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .rel-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-decoration: none;
            color: var(--text);
            transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
        }
        .rel-card:hover {
            transform: translateY(-8px);
            border-color: rgba(217, 142, 74, 0.35);
            background: rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-card);
        }
        .rel-card__img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .rel-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .rel-card:hover .rel-card__img img {
            transform: scale(1.05);
        }
        .rel-card__body {
            padding: 18px 20px 22px;
        }
        .rel-card__tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: rgba(217, 142, 74, 0.1);
            border: 1px solid rgba(217, 142, 74, 0.25);
            border-radius: 999px;
            padding: 3px 12px;
            margin-bottom: 12px;
        }
        .rel-card__body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
            border-top: 1px solid var(--border);
        }
        .faq-list {
            display: grid;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(217, 142, 74, 0.3);
            background: rgba(255, 255, 255, 0.055);
        }
        .faq-item summary {
            padding: 20px 28px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 56px;
            transition: color 0.3s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            position: absolute;
            right: 26px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 24px;
            font-weight: 300;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(45deg);
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item p {
            margin: 0;
            padding: 0 28px 26px;
            color: var(--text-dim);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 100px 0;
            text-align: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            border-top: 1px solid var(--border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(21, 17, 13, 0.86);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 660px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-inner p {
            color: var(--text-dim);
            font-size: 16px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1;
        }
        .btn-primary {
            background: var(--primary);
            color: #1b140c;
            box-shadow: 0 8px 24px rgba(217, 142, 74, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(217, 142, 74, 0.35);
        }
        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(217, 142, 74, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text);
            border-color: rgba(242, 236, 225, 0.3);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(217, 142, 74, 0.08);
            transform: translateY(-3px);
        }
        .btn-secondary:active {
            transform: translateY(-1px);
        }

        /* 页脚 */
        .site-footer {
            background: #0f0c09;
            border-top: 1px solid rgba(242, 236, 225, 0.08);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-dim);
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-links h4,
        .footer-info h4 {
            color: var(--text);
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-dim);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.25s, padding-left 0.25s;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .footer-info p {
            color: var(--text-dim);
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(242, 236, 225, 0.08);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-dim);
            font-size: 13px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 32px;
            }
            .article-paper {
                padding: 40px 32px;
            }
            .rel-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .article-hero__title {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 16px;
                right: 16px;
                background: rgba(21, 17, 13, 0.97);
                border: 1px solid var(--border);
                border-radius: var(--radius-md);
                padding: 16px;
                flex-direction: column;
                gap: 8px;
                transform: translateY(-16px);
                opacity: 0;
                pointer-events: none;
                transition: all 0.32s ease;
                box-shadow: var(--shadow-card);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-aside {
                position: static;
                order: 2;
            }
            .article-hero {
                min-height: 420px;
                padding: 140px 0 52px;
            }
            .article-hero__title {
                font-size: 28px;
            }
            .article-paper {
                padding: 32px 24px;
                font-size: 15px;
            }
            .article-section {
                padding: 48px 0 64px;
            }
            .related-section,
            .faq-section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .rel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cta-section {
                padding: 80px 0;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                top: 64px;
                left: 12px;
                right: 12px;
            }
            .brand-logo {
                font-size: 20px;
            }
            .article-hero {
                min-height: 380px;
                padding: 120px 0 40px;
            }
            .article-hero__title {
                font-size: 23px;
                line-height: 1.45;
            }
            .article-hero__desc {
                font-size: 14px;
            }
            .article-paper {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .article-paper h2 {
                font-size: 22px;
            }
            .article-paper h3 {
                font-size: 19px;
            }
            .rel-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .faq-item summary {
                padding: 16px 20px;
                padding-right: 46px;
                font-size: 15px;
            }
            .faq-item summary::after {
                right: 18px;
                font-size: 20px;
            }
            .faq-item p {
                padding: 0 20px 20px;
                font-size: 14px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                padding: 14px 20px;
            }
            .footer-links a,
            .footer-info p {
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
    --color-bg: #f4efe6;
    --color-bg-alt: #e9e2d4;
    --color-dark: #1c2b26;
    --color-dark-2: #243830;
    --color-primary: #2d5a4a;
    --color-primary-dark: #22473a;
    --color-accent: #e09a3e;
    --color-accent-dark: #c47f2a;
    --color-text: #2b2b26;
    --color-text-light: #6b6b60;
    --color-white: #fffdf8;
    --color-border: #d8cfbd;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 10px 30px rgba(28, 43, 38, 0.08);
    --shadow-lg: 0 20px 50px rgba(28, 43, 38, 0.14);
    --transition: 0.3s ease;
    --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: radial-gradient(circle at 20% 20%, rgba(224, 154, 62, 0.06) 0%, transparent 40%);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(244, 239, 230, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 253, 248, 0.5);
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(244, 239, 230, 0.95);
    box-shadow: 0 6px 24px rgba(28, 43, 38, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-dark);
    position: relative;
    padding: 4px 0;
}

.brand-logo::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 6px 2px;
    opacity: 0.8;
    transition: opacity var(--transition), color var(--transition);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 内页 banner ===== */
.page-hero {
    position: relative;
    padding: 140px 0 80px;
    background: url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
    color: var(--color-white);
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(28, 43, 38, 0.88) 0%, rgba(34, 71, 58, 0.72) 60%, rgba(224, 154, 62, 0.15) 100%);
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero .eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    border: 1px solid rgba(224, 154, 62, 0.6);
    border-radius: 999px;
    padding: 5px 16px;
    margin-bottom: 18px;
    background: rgba(28, 43, 38, 0.3);
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.page-hero p {
    max-width: 620px;
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 253, 248, 0.9);
    margin-bottom: 28px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-tags .tag {
    display: inline-block;
    background: rgba(255, 253, 248, 0.1);
    border: 1px solid rgba(255, 253, 248, 0.25);
    border-radius: 6px;
    padding: 4px 14px;
    font-size: 13px;
    backdrop-filter: blur(4px);
}

/* ===== 板块 ===== */
.section {
    padding: 80px 0;
}

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

.section-dark {
    background: var(--color-dark);
    color: var(--color-white);
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
    padding: 0 16px;
}

.section-head .eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.section-dark .section-head h2 {
    color: var(--color-white);
}

.section-head p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-dark .section-head p {
    color: rgba(255, 253, 248, 0.7);
}

/* ===== 数据块 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    text-align: center;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 20px;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card::before {
    content: "";
    position: absolute;
    inset: 6px;
    border: 1px dashed rgba(45, 90, 74, 0.25);
    border-radius: calc(var(--radius) - 4px);
    pointer-events: none;
}

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

.stat-num {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-light);
    letter-spacing: 0.04em;
}

/* ===== 资讯卡片 ===== */
.event-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.event-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(28, 43, 38, 0.06);
    transition: transform var(--transition), box-shadow var(--transition);
}

.event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.event-cover {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.event-card:hover .event-cover img {
    transform: scale(1.05);
}

.event-cover .tag-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 13px;
    font-weight: 600;
    border-radius: 4px;
    padding: 4px 12px;
    box-shadow: 0 4px 12px rgba(224, 154, 62, 0.3);
}

.event-body {
    padding: 24px;
}

.event-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.event-meta .date {
    display: flex;
    align-items: center;
    gap: 4px;
}

.event-body h3 {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.event-body p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 6px;
    padding: 8px 18px;
    background: transparent;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.event-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateX(4px);
}

/* ===== 热门活动排行 ===== */
.hot-section {
    position: relative;
    background: url("/assets/images/backpic/back-3.png") center center / cover no-repeat;
    background-attachment: fixed;
}

.hot-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(28, 43, 38, 0.93), rgba(28, 43, 38, 0.8));
}

.hot-section .container {
    position: relative;
    z-index: 2;
}

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

.hot-visual {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hot-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 340px;
}

.hot-visual::after {
    content: "RECOMMENDED";
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 4px;
    padding: 4px 12px;
}

.hot-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 253, 248, 0.06);
    border: 1px solid rgba(255, 253, 248, 0.14);
    border-radius: 10px;
    padding: 16px 20px;
    backdrop-filter: blur(6px);
    transition: background var(--transition), transform var(--transition);
}

.hot-item:hover {
    background: rgba(255, 253, 248, 0.12);
    transform: translateX(6px);
}

.hot-rank {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-accent);
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.hot-info {
    flex: 1;
}

.hot-info .name {
    color: var(--color-white);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 2px;
}

.hot-info .value {
    font-size: 13px;
    color: rgba(255, 253, 248, 0.6);
}

.hot-status {
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(224, 154, 62, 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(224, 154, 62, 0.3);
    white-space: nowrap;
}

/* ===== 时间线 ===== */
.timeline-list {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline-list::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 36px;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 6px;
    right: -7px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(224, 154, 62, 0.3);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -7px;
    right: auto;
}

.timeline-date {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-dark);
    background: rgba(224, 154, 62, 0.1);
    border-radius: 6px;
    padding: 3px 12px;
    margin-bottom: 8px;
}

.timeline-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(28, 43, 38, 0.06);
}

.timeline-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-dark);
}

.timeline-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-item summary {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 24px;
    font-weight: 400;
    color: var(--color-accent);
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq-item[open] summary {
    color: var(--color-primary);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-text-light);
    border-top: 1px dashed var(--color-border);
    margin: 0 24px;
    padding-left: 0;
    padding-right: 0;
}

.faq-answer p {
    padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
    padding: 90px 0;
}

.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(28, 43, 38, 0.92), rgba(34, 71, 58, 0.75));
}

.cta-section .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--color-white);
    margin-bottom: 14px;
}

.cta-section p {
    color: rgba(255, 253, 248, 0.8);
    font-size: 17px;
    max-width: 560px;
    margin: 0 auto 30px;
}

.cta-btn-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(224, 154, 62, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 253, 248, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 253, 248, 0.1);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255, 253, 248, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .footer-logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 300px;
    color: rgba(255, 253, 248, 0.6);
}

.footer-links h4,
.footer-info h4 {
    color: var(--color-white);
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after,
.footer-info h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links a {
    display: block;
    font-size: 14px;
    padding: 5px 0;
    color: rgba(255, 253, 248, 0.6);
    transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 6px;
}

.footer-info p {
    font-size: 14px;
    padding: 4px 0;
    color: rgba(255, 253, 248, 0.6);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 253, 248, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 253, 248, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hot-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hot-visual img {
        min-height: 260px;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 120px 0 60px;
    }

    .page-hero h1 {
        font-size: 34px;
    }

    .section {
        padding: 60px 0;
    }

    .section-head h2 {
        font-size: 28px;
    }

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

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

    .timeline-list::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding: 0 0 30px 56px;
        text-align: left !important;
    }

    .timeline-item:nth-child(odd) {
        text-align: left;
    }

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 13px;
        right: auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(244, 239, 230, 0.97);
        backdrop-filter: blur(16px);
        padding: 16px 24px 24px;
        gap: 12px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 20px 40px rgba(28, 43, 38, 0.12);
        transform: translateY(-120%);
        transition: transform 0.4s ease;
    }

    .main-nav.open {
        transform: translateY(0);
    }

    .nav-link {
        padding: 12px 8px;
        font-size: 16px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .brand-logo {
        font-size: 18px;
    }

    .page-hero h1 {
        font-size: 28px;
    }

    .page-hero p {
        font-size: 15px;
    }

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

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

    .event-cover {
        height: 170px;
    }

    .hot-item {
        flex-wrap: wrap;
        padding: 14px;
    }

    .hot-status {
        margin-left: auto;
    }

    .cta-section h2 {
        font-size: 26px;
    }

    .btn {
        width: 100%;
    }

    .timeline-item {
        padding-left: 44px;
    }

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 13px;
    }
}