/* roulang page: index */
:root {
            --color-primary: #1F3A3D;
            --color-accent: #D97A4A;
            --color-accent-hover: #C56A3C;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-muted: #5F6B66;
            --color-border: #E5E0D8;
            --color-positive: #3E7C59;
            --color-negative: #B4553F;
            --radius: 12px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(31,58,61,0.08);
            --shadow-lg: 0 12px 24px -8px rgba(31,58,61,0.18);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'Noto Serif SC', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Noto Serif SC', serif;
            line-height: 1.3;
            color: var(--color-primary);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            width: 100%;
            height: 48px;
            border-radius: 10px;
            border: 1px solid #D8D2C6;
            background-color: #FAF9F6;
            padding: 0.75rem 1rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(217, 122, 74, 0.2);
        }

        textarea {
            height: auto;
            min-height: 100px;
            resize: vertical;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 4rem;
                padding-right: 4rem;
            }
        }

        .section {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 6rem 0;
            }
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem auto;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .section-header p {
            color: var(--color-muted);
            font-size: 1.0625rem;
            line-height: 1.8;
        }

        .eyebrow {
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: 999px;
            background: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
            font-size: 0.8125rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
            min-height: 44px;
            border: none;
        }

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217, 122, 74, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(217, 122, 74, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            border: 1.5px solid var(--color-primary);
            transition: background-color 0.2s, transform 0.2s;
            min-height: 44px;
        }

        .btn-outline:hover {
            background-color: rgba(31, 58, 61, 0.05);
            color: var(--color-primary);
        }

        .btn-block {
            display: block;
            width: 100%;
            text-align: center;
        }

        .btn-sm {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }

        /* ===== 徽章/标签 ===== */
        .badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(217, 122, 74, 0.12);
            color: var(--color-accent-hover);
            border: 1px solid rgba(217, 122, 74, 0.2);
        }

        .badge-green {
            background-color: rgba(62, 124, 89, 0.1);
            color: var(--color-positive);
            border-color: rgba(62, 124, 89, 0.2);
        }

        .badge-dark {
            background-color: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
            border-color: rgba(31, 58, 61, 0.15);
        }

        /* ===== 导航 ===== */
        .header-fixed {
            position: fixed;
            top: 1rem;
            left: 0;
            right: 0;
            z-index: 50;
        }

        .nav-pill {
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
            padding: 0.75rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 1.375rem;
            color: var(--color-primary);
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            padding: 0.375rem 0.875rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text);
            transition: background-color 0.2s, color 0.2s;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background-color: rgba(31, 58, 61, 0.08);
        }

        .nav-link.active {
            background-color: rgba(31, 58, 61, 0.1);
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 1.25rem;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            transition: background-color 0.2s;
        }

        .nav-toggle:hover {
            background-color: rgba(31, 58, 61, 0.05);
        }

        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 5rem;
            left: 1rem;
            right: 1rem;
            z-index: 49;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
            padding: 1rem;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 0.25rem;
        }

        .mobile-drawer a:hover {
            background-color: rgba(31, 58, 61, 0.05);
            color: var(--color-primary);
        }

        .mobile-drawer a.active {
            background-color: rgba(31, 58, 61, 0.1);
            color: var(--color-primary);
        }

        .mobile-drawer .btn-primary {
            margin-top: 0.75rem;
            width: 100%;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--color-bg);
            padding-top: 8rem;
            padding-bottom: 4rem;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .hero {
                padding-top: 9rem;
                padding-bottom: 6rem;
            }
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-content {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 4rem;
            }
        }

        .hero-copy h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 1.25rem;
            color: var(--color-primary);
        }

        .hero-copy p {
            color: var(--color-muted);
            font-size: 1.0625rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .hero-card {
            background: var(--color-surface);
            border-radius: 16px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .hero-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-bottom: 1px solid var(--color-border);
        }

        .hero-card-body {
            padding: 1.5rem;
        }

        .hero-card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 0.5rem 0 0.5rem 0;
        }

        .hero-card-body p {
            color: var(--color-muted);
            font-size: 0.875rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        /* 闪购条 */
        .flash-sale-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            background: var(--color-primary);
            color: #fff;
            padding: 0.625rem 1.25rem;
            font-size: 0.8125rem;
            font-weight: 500;
            border-radius: 999px;
            margin-bottom: 2rem;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .flash-sale-bar .flash-icon {
            font-size: 1rem;
        }

        .flash-sale-bar .countdown-box {
            background: rgba(255, 255, 255, 0.15);
            padding: 0.2rem 0.75rem;
            border-radius: 999px;
            font-family: 'Noto Serif SC', serif;
            font-size: 0.9375rem;
            letter-spacing: 0.05em;
            font-variant-numeric: tabular-nums;
        }

        .flash-tag {
            background: var(--color-accent);
            color: #fff;
            padding: 0.2rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* ===== 服务矩阵 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 1024px) {
            .services-grid {
                grid-template-columns: 1.1fr 0.9fr;
            }
        }

        .service-card-large {
            background: var(--color-surface);
            border-radius: 16px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            border-top: 4px solid var(--color-accent);
        }

        .service-card-large:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .service-card-large .service-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 1rem;
        }

        .service-card-large h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .service-card-large p {
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .service-card-large .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .service-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .service-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
            position: relative;
        }

        .service-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-accent);
            border-radius: 4px 0 0 4px;
            transition: height 0.25s ease;
        }

        .service-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #D0CABC;
        }

        .service-item:hover::before {
            height: 100%;
        }

        .service-item .item-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            flex-shrink: 0;
        }

        .service-item .item-content h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.35rem;
        }

        .service-item .item-content p {
            font-size: 0.875rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .service-item .item-content .tags {
            margin-top: 0.5rem;
        }

        /* ===== 结果对比 ===== */
        .comparison-section {
            background: var(--color-primary);
            padding: 4rem 0;
            position: relative;
        }

        @media (min-width: 768px) {
            .comparison-section {
                padding: 6rem 0;
            }
        }

        .comparison-section .section-header h2 {
            color: #fff;
        }

        .comparison-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .comparison-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr 1fr;
                padding-top: 1rem;
            }
        }

        .comparison-panel {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 2rem;
            backdrop-filter: blur(4px);
        }

        .comparison-panel-left {
            background: #F1EDE4;
            border-color: #E5DCC8;
        }

        .comparison-panel-right {
            background: rgba(62, 124, 89, 0.12);
            border-color: rgba(62, 124, 89, 0.3);
        }

        .comparison-panel h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--color-primary);
        }

        .comparison-panel-right h3 {
            color: #E9C46A;
        }

        .comparison-panel ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .comparison-panel li {
            display: flex;
            gap: 0.6rem;
            align-items: flex-start;
            font-size: 0.875rem;
            line-height: 1.6;
            color: var(--color-text);
        }

        .comparison-panel-right li {
            color: #d8e8dc;
        }

        .comparison-icon {
            flex-shrink: 0;
            font-size: 1rem;
            line-height: 1.4;
        }

        .icon-x {
            color: var(--color-negative);
        }

        .icon-check {
            color: #E9C46A;
        }

        .vs-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 1.125rem;
            border: 3px solid #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            margin: -1rem auto 0 auto;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 768px) {
            .vs-badge {
                position: absolute;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                margin: 0;
            }
        }

        /* ===== 指标看板 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem 1rem;
        }

        @media (min-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .metric-item {
            text-align: center;
            padding: 0 0.5rem;
            position: relative;
        }

        @media (min-width: 768px) {
            .metric-item:not(:last-child)::after {
                content: '';
                position: absolute;
                right: 0;
                top: 15%;
                bottom: 15%;
                width: 1px;
                background: var(--color-border);
            }
        }

        .metric-icon {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            display: block;
        }

        .metric-number {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(2rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .metric-label {
            font-size: 0.875rem;
            color: var(--color-muted);
            margin-top: 0.25rem;
        }

        @media (max-width: 767px) {
            .metrics-grid {
                border-top: 1px solid var(--color-border);
                padding-top: 1.5rem;
            }
            .metric-item:nth-child(-n+2) {
                margin-bottom: 1rem;
            }
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .news-layout {
                grid-template-columns: 1.5fr 0.7fr;
                gap: 3rem;
            }
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .news-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item .news-date {
            font-size: 0.8125rem;
            color: var(--color-muted);
            display: block;
            margin-bottom: 0.5rem;
        }

        .news-item h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .news-item p {
            font-size: 0.875rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .news-item .read-more {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-accent-hover);
            margin-top: 0.75rem;
            display: inline-block;
        }

        .news-item .read-more:hover {
            color: var(--color-primary);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag-link {
            padding: 0.375rem 0.875rem;
            border-radius: 999px;
            background: rgba(31, 58, 61, 0.06);
            font-size: 0.8125rem;
            color: var(--color-primary);
            border: 1px solid transparent;
            transition: background-color 0.2s, border-color 0.2s;
        }

        .tag-link:hover {
            background: rgba(31, 58, 61, 0.1);
            border-color: var(--color-border);
            color: var(--color-primary);
        }

        .hot-rank {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .hot-rank-item {
            display: flex;
            gap: 0.75rem;
            align-items: center;
            font-size: 0.875rem;
        }

        .hot-rank-item .rank-num {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-rank-item:nth-child(1) .rank-num {
            background: var(--color-accent);
            color: #fff;
        }

        .hot-rank-item:nth-child(2) .rank-num {
            background: rgba(217, 122, 74, 0.4);
            color: #fff;
        }

        .hot-rank-item:nth-child(3) .rank-num {
            background: rgba(217, 122, 74, 0.25);
            color: var(--color-text);
        }

        .hot-rank-item a {
            color: var(--color-text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .hot-rank-item a:hover {
            color: var(--color-accent-hover);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: #D0CABC;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            gap: 1rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: background-color 0.2s;
        }

        .faq-question:hover {
            background-color: rgba(31, 58, 61, 0.02);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(31, 58, 61, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 400;
            color: var(--color-primary);
            transition: transform 0.2s ease, background-color 0.2s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 1.5rem;
            color: var(--color-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.5rem 1.5rem;
        }

        /* ===== 转化表单 ===== */
        .contact-card {
            background: var(--color-surface);
            border-radius: 16px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr;
            overflow: hidden;
        }

        @media (min-width: 1024px) {
            .contact-card {
                grid-template-columns: 0.9fr 1.1fr;
            }
        }

        .contact-info {
            background: var(--color-primary);
            color: #fff;
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .contact-info h3 {
            color: #fff;
            font-size: 1.375rem;
            margin-bottom: 1rem;
        }

        .contact-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .contact-info ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .contact-info li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.9375rem;
        }

        .contact-info li .ci-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .contact-form-wrap {
            padding: 2.5rem;
            background: var(--color-surface);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .form-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text);
        }

        .form-group label .required {
            color: var(--color-accent);
            margin-left: 2px;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235F6B66'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.75rem center;
            background-size: 1rem;
            padding-right: 2.5rem;
        }

        .contact-form-wrap .btn-primary {
            width: 100%;
            margin-top: 1rem;
        }

        .form-note {
            font-size: 0.75rem;
            color: var(--color-muted);
            margin-top: 0.75rem;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem 0;
            border-radius: 20px 20px 0 0;
            margin-top: 2rem;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            justify-content: space-between;
        }

        @media (min-width: 768px) {
            .footer-content {
                flex-direction: row;
                align-items: center;
            }
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-brand .footer-logo {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand .footer-logo .logo-dot {
            background: var(--color-accent);
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.25rem;
        }

        .footer-nav a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            transition: color 0.2s;
        }

        .footer-nav a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== CTA区块 ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a5559 100%);
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
        }

        .cta-banner h3 {
            color: #fff;
            font-size: clamp(1.375rem, 2vw, 2rem);
            margin-bottom: 0.75rem;
            position: relative;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 1.5rem auto;
            position: relative;
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ===== 通用hover状态 ===== */
        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        /* ===== 响应式调整 ===== */
        @media (max-width: 640px) {
            .flash-sale-bar {
                border-radius: 16px;
                margin-bottom: 1.5rem;
                padding: 0.625rem 1rem;
                font-size: 0.75rem;
            }
            .flash-sale-bar .countdown-box {
                font-size: 0.8125rem;
            }
            .hero-content {
                gap: 1.5rem;
            }
            .hero-card img {
                height: 180px;
            }
            .service-card-large {
                padding: 1.5rem;
            }
            .contact-info,
            .contact-form-wrap {
                padding: 1.5rem;
            }
            .footer-content {
                gap: 1.5rem;
            }
            .section-header {
                margin-bottom: 2rem;
            }
        }

        @media (max-width: 1024px) and (min-width: 768px) {
            .hero-content {
                gap: 2rem;
            }
            .services-grid {
                gap: 1rem;
            }
        }

        /* ===== 辅助工具类 ===== */
        .text-muted {
            color: var(--color-muted);
        }

        .mt-1 { margin-top: 0.25rem; }
        .mt-2 { margin-top: 0.5rem; }
        .mt-3 { margin-top: 0.75rem; }
        .mt-4 { margin-top: 1rem; }
        .mt-6 { margin-top: 1.5rem; }
        .mt-8 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 0.25rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-4 { margin-bottom: 1rem; }

        /* 区块交替背景 */
        .section-alt {
            background: #fff;
        }
        .section-tint {
            background: rgba(31, 58, 61, 0.03);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1F3A3D;
            --color-accent: #D97A4A;
            --color-accent-hover: #C56A3C;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-muted: #5F6B66;
            --color-border: #E5E0D8;
            --color-positive: #3E7C59;
            --color-negative: #B4553F;
            --radius: 12px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(31, 58, 61, 0.08);
            --shadow-lg: 0 12px 24px -8px rgba(31, 58, 61, 0.18);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease;
        }
        a:hover {
            color: var(--color-accent);
        }

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            width: 100%;
            height: 48px;
            border-radius: 10px;
            border: 1px solid #D8D2C6;
            background-color: #FAF9F6;
            padding: 0.75rem 1rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(217, 122, 74, 0.2);
        }
        textarea {
            height: auto;
            min-height: 100px;
            resize: vertical;
        }

        ::selection {
            background-color: rgba(217, 122, 74, 0.2);
            color: var(--color-primary);
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 4rem;
                padding-right: 4rem;
            }
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 6rem 0;
            }
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem auto;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .section-header p {
            color: var(--color-muted);
            font-size: 1.0625rem;
            line-height: 1.8;
        }

        .eyebrow {
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: 999px;
            background: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
            font-size: 0.8125rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
            min-height: 44px;
            border: none;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217, 122, 74, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(217, 122, 74, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            border: 1.5px solid var(--color-primary);
            transition: background-color 0.2s, transform 0.2s;
            min-height: 44px;
        }
        .btn-outline:hover {
            background-color: rgba(31, 58, 61, 0.05);
            color: var(--color-primary);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(31, 58, 61, 0.15);
            outline-offset: 2px;
        }
        .btn-block {
            display: block;
            width: 100%;
            text-align: center;
        }
        .btn-sm {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(217, 122, 74, 0.12);
            color: var(--color-accent-hover);
            border: 1px solid rgba(217, 122, 74, 0.2);
        }
        .badge-green {
            background-color: rgba(62, 124, 89, 0.1);
            color: var(--color-positive);
            border-color: rgba(62, 124, 89, 0.2);
        }
        .badge-dark {
            background-color: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
            border-color: rgba(31, 58, 61, 0.15);
        }

        /* ===== 导航 ===== */
        .header-fixed {
            position: fixed;
            top: 1rem;
            left: 0;
            right: 0;
            z-index: 50;
        }
        .nav-pill {
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
            padding: 0.75rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-accent);
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            min-height: 40px;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text);
            transition: background-color 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: rgba(31, 58, 61, 0.08);
            color: var(--color-primary);
        }
        .nav-link.active {
            background-color: rgba(31, 58, 61, 0.1);
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 999px;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            background: rgba(31, 58, 61, 0.08);
            transition: background-color 0.2s;
        }
        .nav-toggle:hover {
            background-color: rgba(31, 58, 61, 0.15);
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border: 1px solid var(--color-border);
                border-radius: 20px;
                padding: 1rem;
                flex-direction: column;
                align-items: stretch;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links .nav-link {
                padding: 0.75rem 1.25rem;
                border-radius: 12px;
                width: 100%;
            }
            .nav-links .nav-link:hover {
                background-color: rgba(31, 58, 61, 0.06);
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
        }

        /* ===== 页面头（分类页） ===== */
        .page-hero {
            position: relative;
            padding: 8rem 0 4rem;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--color-muted);
            margin-bottom: 1.5rem;
        }
        .breadcrumb a {
            color: var(--color-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: #C0B8A8;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 1.25rem;
            max-width: 720px;
        }
        .page-hero .page-desc {
            color: var(--color-muted);
            font-size: 1.0625rem;
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 2.5rem;
        }

        /* ===== 筛选标签 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 2rem;
        }
        .filter-pill {
            display: inline-flex;
            align-items: center;
            min-height: 40px;
            padding: 0.375rem 1.25rem;
            border-radius: 999px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-muted);
            transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
        }
        .filter-pill:hover {
            border-color: rgba(31, 58, 61, 0.3);
            color: var(--color-primary);
        }
        .filter-pill.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .filter-pill:focus-visible {
            outline: 3px solid rgba(31, 58, 61, 0.2);
            outline-offset: 2px;
        }

        /* ===== 热门推荐（#hot） ===== */
        .hot-section {
            background-color: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
        }
        .hot-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 768px) {
            .hot-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .hot-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
        }
        .hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(217, 122, 74, 0.3);
        }
        .hot-num {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            flex-shrink: 0;
            margin-top: 0.25rem;
        }
        .hot-item h3 {
            font-family: var(--font-serif);
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }
        .hot-item p {
            font-size: 0.875rem;
            color: var(--color-muted);
            line-height: 1.65;
        }

        /* ===== 内容列表（视频库网格） ===== */
        .video-section {
            background-color: var(--color-bg);
        }
        .video-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .video-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .video-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
            display: flex;
            flex-direction: column;
        }
        .video-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(217, 122, 74, 0.25);
        }
        .video-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: #ECE6DC;
        }
        .video-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .video-card:hover .card-image img {
            transform: scale(1.04);
        }
        .video-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .video-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .video-card .card-title {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 0.75rem;
        }
        .video-card .card-excerpt {
            font-size: 0.9375rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            flex: 1;
        }
        .video-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--color-border);
            padding-top: 0.875rem;
            font-size: 0.8125rem;
            color: var(--color-muted);
        }
        .video-card .card-link {
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            transition: color 0.2s;
        }
        .video-card .card-link:hover {
            color: var(--color-accent);
        }
        .video-card .card-link::after {
            content: '→';
            transition: transform 0.2s;
        }
        .video-card .card-link:hover::after {
            transform: translateX(3px);
        }

        /* ===== 分页器 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 3rem;
        }
        .pagination {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0.375rem;
            box-shadow: var(--shadow-sm);
        }
        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.875rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text);
            transition: background-color 0.2s, color 0.2s;
        }
        .page-link:hover {
            background-color: rgba(31, 58, 61, 0.06);
            color: var(--color-primary);
        }
        .page-link.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .page-link.disabled {
            color: #C0B8A8;
            pointer-events: none;
        }

        /* ===== 内容指南（#guide） ===== */
        .guide-section {
            background-color: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 768px) {
            .guide-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .guide-card {
            padding: 1.75rem 1.5rem;
            background: #F1EDE4;
            border: 1px solid var(--color-border);
            border-radius: 14px;
            transition: box-shadow 0.2s, transform 0.2s;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guide-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background-color: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.25rem;
        }
        .guide-card h3 {
            font-family: var(--font-serif);
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }
        .guide-card p {
            font-size: 0.9375rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 5rem 0;
            background-color: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-banner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-banner .eyebrow {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .cta-banner h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 1rem;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.0625rem;
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }
        .cta-banner .btn-primary {
            background-color: var(--color-accent);
        }
        .cta-banner .btn-primary:hover {
            background-color: var(--color-accent-hover);
        }
        .cta-banner .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .cta-banner .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 0 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .footer-content {
                grid-template-columns: 1.4fr 1fr;
                gap: 3rem;
            }
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--font-serif);
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-logo .logo-dot {
            background-color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 420px;
        }
        .footer-nav {
            display: flex;
            flex-direction: column;
            gap: 0.875rem;
        }
        .footer-nav a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            transition: color 0.2s, padding-left 0.2s;
            padding-left: 0;
        }
        .footer-nav a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom p {
            line-height: 1.6;
        }

        /* ===== 通用工具 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.25rem;
        }
        .mt-2 {
            margin-top: 0.5rem;
        }
        .mt-3 {
            margin-top: 0.75rem;
        }
        .mt-4 {
            margin-top: 1rem;
        }
        .mt-5 {
            margin-top: 1.25rem;
        }
        .mt-6 {
            margin-top: 1.5rem;
        }
        .mt-8 {
            margin-top: 2rem;
        }
        .mt-12 {
            margin-top: 3rem;
        }
        .mb-1 {
            margin-bottom: 0.25rem;
        }
        .mb-2 {
            margin-bottom: 0.5rem;
        }
        .mb-3 {
            margin-bottom: 0.75rem;
        }
        .mb-4 {
            margin-bottom: 1rem;
        }
        .mb-6 {
            margin-bottom: 1.5rem;
        }
        .mb-8 {
            margin-bottom: 2rem;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 640px) {
            .page-hero {
                padding: 7rem 0 3rem;
            }
            .hot-item {
                flex-direction: column;
                gap: 0.75rem;
            }
            .video-card .card-title {
                font-size: 1.125rem;
            }
            .filter-bar {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 0.25rem;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .filter-bar::-webkit-scrollbar {
                display: none;
            }
            .filter-pill {
                white-space: nowrap;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline {
                width: 100%;
            }
        }