/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }
        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .header-mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-primary);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* ============ Hero 白皮书获客 ============ */
        .hero-whitepaper {
            position: relative;
            background: var(--color-bg-dark);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }
        .hero-whitepaper .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            filter: brightness(0.7) saturate(0.4);
        }
        .hero-whitepaper .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(26, 26, 46, 0.82) 100%);
        }
        .hero-whitepaper .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            padding: 60px 0;
        }
        .hero-text {
            flex: 1;
            min-width: 300px;
            color: var(--color-white);
        }
        .hero-text .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-light);
            background: rgba(212, 167, 116, 0.15);
            border: 1px solid rgba(212, 167, 116, 0.3);
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
            text-transform: uppercase;
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.22;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            color: #fff;
        }
        .hero-text h1 em {
            font-style: normal;
            color: var(--color-accent);
            border-bottom: 2px solid var(--color-accent);
        }
        .hero-text .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 167, 116, 0.35);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .hero-whitepaper-card {
            flex: 0 0 340px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 2;
        }
        .hero-whitepaper-card .wp-cover {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
        }
        .hero-whitepaper-card .wp-title {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .hero-whitepaper-card .wp-toc {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            font-size: 0.88rem;
            color: var(--color-text-light);
        }
        .hero-whitepaper-card .wp-toc li {
            padding: 4px 0;
            padding-left: 18px;
            position: relative;
            line-height: 1.5;
        }
        .hero-whitepaper-card .wp-toc li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .hero-whitepaper-card .wp-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hero-whitepaper-card .wp-form input {
            padding: 11px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
            color: var(--color-text);
        }
        .hero-whitepaper-card .wp-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 167, 116, 0.08);
        }
        .hero-whitepaper-card .wp-form .btn-submit {
            padding: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }
        .hero-whitepaper-card .wp-form .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-md);
        }
        .hero-data-points {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 10px;
            color: rgba(255, 255, 255, 0.85);
        }
        .hero-data-points .dp-item {
            text-align: center;
        }
        .hero-data-points .dp-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
        }
        .hero-data-points .dp-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        /* ============ 通用板块样式 ============ */
        .section-block {
            padding: 70px 0;
        }
        .section-block.bg-alt {
            background: var(--color-bg-alt);
        }
        .section-block.bg-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .section-title.light {
            color: #fff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 32px;
        }
        .section-desc.light {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 卡片 ============ */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-custom .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .card-custom h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 优惠阶梯 ============ */
        .tier-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }
        .tier-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: default;
        }
        .tier-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(4px);
        }
        .tier-item .tier-badge {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-accent);
            font-family: var(--font-heading);
        }
        .tier-item .tier-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-primary);
        }
        .tier-item .tier-info p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }
        .tier-item .tier-price {
            flex-shrink: 0;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
            margin-left: auto;
            white-space: nowrap;
        }

        /* ============ 套餐对比表 ============ */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-white);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }
        .compare-table thead th {
            background: var(--color-bg-dark);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            position: sticky;
            top: 0;
        }
        .compare-table thead th:first-child {
            background: var(--color-bg-dark);
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--color-primary);
        }
        .compare-table tbody tr:hover {
            background: var(--color-bg-alt);
        }
        .compare-table .highlight-col {
            background: rgba(212, 167, 116, 0.06);
        }
        .compare-table .check-icon {
            color: var(--color-success);
        }
        .compare-table .cross-icon {
            color: #ccc;
        }
        .compare-table .btn-table-cta {
            display: inline-block;
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .compare-table .btn-table-cta:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        /* ============ 保障条 ============ */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-primary);
        }
        .guarantee-item i {
            font-size: 1.3rem;
            color: var(--color-success);
        }

        /* ============ 资讯区 ============ */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 0;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: background var(--transition-fast);
        }
        .news-list li:hover {
            background: var(--color-bg-alt);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-sm);
        }
        .news-list .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            font-weight: 500;
            white-space: nowrap;
            padding-top: 2px;
            min-width: 70px;
        }
        .news-list .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-list .news-summary {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .news-list .news-readmore {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        .news-list .news-readmore:hover {
            color: var(--color-accent-hover);
        }
        .news-sidebar {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: sticky;
            top: 110px;
        }
        .news-sidebar h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            color: var(--color-primary);
        }
        .news-sidebar .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar .hot-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.88rem;
        }
        .news-sidebar .hot-list li a {
            color: var(--color-text);
            transition: color var(--transition-fast);
        }
        .news-sidebar .hot-list li a:hover {
            color: var(--color-accent);
        }
        .news-sidebar .hot-list li .hot-rank {
            display: inline-block;
            width: 22px;
            height: 22px;
            line-height: 22px;
            text-align: center;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            margin-right: 8px;
        }

        /* ============ 相关推荐轨 ============ */
        .recommend-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x proximity;
            padding-bottom: 12px;
            scrollbar-width: thin;
        }
        .recommend-track::-webkit-scrollbar {
            height: 5px;
        }
        .recommend-track::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }
        .rec-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .rec-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .rec-card .rec-body {
            padding: 14px 16px;
        }
        .rec-card .rec-body h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .rec-card .rec-body p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ 里程碑 ============ */
        .milestone-track {
            display: flex;
            gap: 0;
            overflow-x: auto;
            padding: 20px 0;
            position: relative;
            scrollbar-width: none;
        }
        .milestone-track::-webkit-scrollbar {
            display: none;
        }
        .milestone-item {
            flex: 0 0 200px;
            text-align: center;
            position: relative;
            padding: 0 16px;
        }
        .milestone-item::after {
            content: '';
            position: absolute;
            top: 36px;
            left: 60%;
            width: 100%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        .milestone-item:last-child::after {
            display: none;
        }
        .milestone-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-accent);
            margin: 0 auto 16px;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 6px var(--color-accent-light);
        }
        .milestone-year {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .milestone-desc {
            font-size: 0.82rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ============ 限时入口 ============ */
        .countdown-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            background: linear-gradient(135deg, #1a1a2e 0%, #2a2a3e 100%);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: #fff;
            justify-content: center;
            box-shadow: var(--shadow-lg);
        }
        .countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .countdown-unit {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            min-width: 56px;
        }
        .countdown-unit .cd-num {
            font-size: 1.8rem;
            font-weight: 700;
            font-family: var(--font-heading);
            color: var(--color-accent);
            line-height: 1;
        }
        .countdown-unit .cd-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .countdown-sep {
            font-size: 1.5rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.4);
        }
        .countdown-cta-text {
            font-size: 1.05rem;
            font-weight: 600;
            text-align: center;
        }
        .btn-countdown {
            padding: 13px 28px;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
            animation: pulse-btn 2s infinite;
        }
        @keyframes pulse-btn {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 167, 116, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(212, 167, 116, 0);
            }
        }
        .btn-countdown:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ============ FAQ ============ */
        .faq-list .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            padding: 16px 20px;
            transition: all var(--transition-base);
            box-shadow: none;
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: var(--color-accent-light);
            border-color: var(--color-accent);
            color: var(--color-primary);
            box-shadow: none;
        }
        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 167, 116, 0.1);
            border-color: var(--color-accent);
        }
        .faq-list .accordion-body {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.8;
            padding: 16px 20px;
            background: var(--color-white);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }
        .faq-list .accordion-item {
            border: none;
            margin-bottom: 10px;
            background: transparent;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 167, 116, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 167, 116, 0.4);
            color: #fff;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            font-size: 0.88rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-grid h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 6px;
        }
        .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-grid ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }

        /* ============ 品牌介绍块 ============ */
        .brand-intro-block {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--color-accent);
            line-height: 1.9;
        }
        .brand-intro-block h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .brand-intro-block p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.9;
            margin-bottom: 10px;
        }

        /* ============ 数据指标 ============ */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .stat-card {
            flex: 0 0 180px;
            text-align: center;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-card .stat-num {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-top: 8px;
        }

        /* ============ 用户评价 ============ */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .t-quote {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 14px;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--color-accent);
        }
        .testimonial-card .t-author {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-primary);
        }
        .testimonial-card .t-role {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-whitepaper .hero-content {
                gap: 30px;
            }
            .hero-whitepaper-card {
                flex: 0 0 280px;
            }
            .hero-text h1 {
                font-size: 2.3rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: var(--nav-height-mobile);
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 1040;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-mobile-toggle {
                display: block;
            }
            .header-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .header-divider {
                display: none;
            }
            .header-logo {
                font-size: 1.5rem;
            }
            .hero-whitepaper {
                min-height: auto;
            }
            .hero-whitepaper .hero-content {
                flex-direction: column;
                padding: 40px 0;
                gap: 24px;
            }
            .hero-whitepaper-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 340px;
                margin: 0 auto;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .hero-text .hero-desc {
                font-size: 0.9rem;
            }
            .hero-data-points {
                gap: 16px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .countdown-bar {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }
            .countdown-unit {
                min-width: 44px;
                padding: 10px 12px;
            }
            .countdown-unit .cd-num {
                font-size: 1.3rem;
            }
            .milestone-item {
                flex: 0 0 140px;
            }
            .rec-card {
                flex: 0 0 200px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
            .brand-intro-block {
                padding: 24px 20px;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-card {
                flex: 0 0 130px;
                padding: 16px 10px;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .guarantee-strip {
                gap: 14px;
                padding: 20px 16px;
            }
            .tier-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }
            .tier-item .tier-price {
                margin-left: 0;
                width: 100%;
                text-align: right;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .news-list li {
                flex-direction: column;
                gap: 4px;
            }
            .rec-card {
                flex: 0 0 170px;
            }
            .stat-card {
                flex: 0 0 100px;
            }
            .stat-card .stat-num {
                font-size: 1.3rem;
            }
            .milestone-item {
                flex: 0 0 120px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-accent-light2: #faf3eb;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-bg-darker: #111122;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }

        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            cursor: pointer;
        }

        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ============ Hero - 创作者主页头图风格 ============ */
        .hero-creator {
            position: relative;
            background: var(--color-bg-dark);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-creator-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-creator-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }

        .hero-creator-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.55) 0%, rgba(26, 26, 46, 0.85) 100%);
            z-index: 1;
        }

        .hero-creator-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-creator-card {
            background: var(--color-white);
            border-radius: var(--radius-2xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-xl);
            max-width: 420px;
            width: 100%;
            text-align: center;
            flex-shrink: 0;
            position: relative;
        }

        .hero-creator-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 16px;
            border: 4px solid var(--color-accent-light);
            box-shadow: 0 0 0 6px var(--color-white), 0 0 0 8px var(--color-accent-light);
        }

        .hero-creator-name {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .hero-creator-handle {
            font-size: 0.9rem;
            color: var(--color-text-lighter);
            margin-bottom: 16px;
        }

        .hero-creator-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-badge-item {
            text-align: center;
            min-width: 60px;
        }

        .hero-badge-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
        }

        .hero-badge-label {
            font-size: 0.78rem;
            color: var(--color-text-lighter);
            margin-top: 2px;
        }

        .hero-creator-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 50px;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .hero-creator-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: var(--color-white);
        }

        .hero-creator-info {
            flex: 1;
            min-width: 280px;
            color: var(--color-white);
        }

        .hero-creator-info h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .hero-creator-info .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 540px;
        }

        .hero-creator-info .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ============ 通用板块 ============ */
        .section-block {
            padding: 80px 0;
        }

        .section-block-alt {
            background: var(--color-bg-alt);
            padding: 80px 0;
        }

        .section-block-dark {
            background: var(--color-bg-dark);
            padding: 80px 0;
            color: var(--color-white);
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
            padding: 4px 14px;
            background: var(--color-accent-light2);
            border-radius: 50px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-title-light {
            color: var(--color-white);
        }

        .section-desc-light {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 卡片组件 ============ */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

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

        .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon-accent {
            background: var(--color-accent-light2);
            color: var(--color-accent);
        }

        .card-icon-dark {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-accent);
        }

        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .card-custom p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-custom-dark {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--color-white);
        }

        .card-custom-dark h3 {
            color: var(--color-white);
        }

        .card-custom-dark p {
            color: rgba(255, 255, 255, 0.7);
        }

        .card-custom-dark:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
        }

        /* ============ 流程组件 ============ */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .process-step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .process-step-content p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ============ 案例卡片 ============ */
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

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

        .case-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .case-card-body {
            padding: 20px 22px;
        }

        .case-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

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

        .case-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light2);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-question {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 4px 0;
            font-family: var(--font-body);
        }

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

        .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-answer {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.75;
            padding-top: 10px;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 167, 116, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(212, 167, 116, 0.06);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .btn-accent-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 50px;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-accent-lg:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 167, 116, 0.4);
            color: var(--color-white);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-white);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-outline-lg:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212, 167, 116, 0.08);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.04em;
        }

        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

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

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-creator-content {
                flex-direction: column;
                text-align: center;
                gap: 32px;
            }

            .hero-creator-info .hero-stats-row {
                justify-content: center;
            }

            .hero-creator-info h1 {
                font-size: 2.2rem;
            }

            .hero-creator-info .hero-subtitle {
                max-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }

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

            .header-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .header-nav a.active::after {
                display: none;
            }

            .header-nav a.active {
                background: var(--color-accent-light2);
            }

            .mobile-menu-toggle {
                display: block;
            }

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

            .hero-creator {
                min-height: auto;
            }

            .hero-creator-card {
                max-width: 100%;
                padding: 28px 20px;
            }

            .hero-creator-info h1 {
                font-size: 1.8rem;
            }

            .hero-creator-info .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stat-num {
                font-size: 1.5rem;
            }

            .section-block,
            .section-block-alt,
            .section-block-dark {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .process-step {
                flex-direction: column;
                gap: 12px;
            }

            .cta-content h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1.5rem;
            }

            .header-divider {
                height: 24px;
            }

            .hero-creator-badges {
                gap: 12px;
            }

            .hero-badge-num {
                font-size: 1.1rem;
            }

            .hero-creator-info h1 {
                font-size: 1.5rem;
            }

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

            .hero-stat-num {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .card-custom {
                padding: 20px 16px;
            }

            .container-custom {
                padding: 0 16px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-accent-light2: #faf3eb;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-bg-dark2: #252538;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            margin-left: 8px;
        }
        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        /* ============ 板块通用样式 ============ */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 96px 0;
        }
        .section-bg-alt {
            background-color: var(--color-bg-alt);
        }
        .section-bg-dark {
            background-color: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-bg-dark2 {
            background-color: var(--color-bg-dark2);
            color: var(--color-white);
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .section-bg-dark .section-header h2,
        .section-bg-dark2 .section-header h2 {
            color: var(--color-white);
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 680px;
            line-height: 1.7;
        }
        .section-bg-dark .section-header p,
        .section-bg-dark2 .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* ============ 按钮 ============ */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-accent:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-white);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-white:hover {
            background: #f0ede8;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ============ 卡片 ============ */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 28px;
            transition: all var(--transition-base);
            height: 100%;
            box-shadow: var(--shadow-card);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent-light);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom h4 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ 标签 ============ */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 20px;
            background: var(--color-accent-light2);
            color: var(--color-accent);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            background: var(--color-white);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent-light);
        }
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px 24px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            padding: 80px 0;
            background: var(--color-bg);
            overflow: hidden;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.03) 0%, rgba(212, 167, 116, 0.06) 50%, rgba(26, 26, 46, 0.02) 100%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero-pain-point {
            display: inline-block;
            background: var(--color-accent-light2);
            color: var(--color-accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-form-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
        }
        .hero-form-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .hero-form-card .form-control {
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }
        .hero-form-card .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 167, 116, 0.15);
            background: var(--color-white);
        }
        .hero-image-wrap {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* ============ 统计数字 ============ */
        .stat-card {
            text-align: center;
            padding: 24px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .section-bg-dark .stat-label,
        .section-bg-dark2 .stat-label {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ 特性列表 ============ */
        .feature-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-list-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-light2);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 1rem;
        }
        .feature-list-content h5 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .feature-list-content p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 流程步骤 ============ */
        .step-card {
            position: relative;
            padding: 28px 24px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            box-shadow: var(--shadow-card);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .step-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 评价卡片 ============ */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent-light);
            margin-bottom: 12px;
            line-height: 1;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            background: var(--color-bg-dark);
            color: var(--color-white);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 167, 116, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-white);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.04em;
        }
        .site-footer h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .header-logo {
                font-size: 1.6rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section {
                padding: 52px 0;
            }
            .section-lg {
                padding: 68px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: var(--nav-height-mobile);
                padding: 0 16px;
                gap: 12px;
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .header-logo {
                font-size: 1.4rem;
            }
            .header-divider {
                display: none;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 1049;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: var(--color-accent-light2);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-cta-btn {
                display: none;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-form-card {
                padding: 20px;
                margin-top: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 52px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .card-custom {
                padding: 20px;
            }
            .step-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-pain-point {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .btn-accent,
            .btn-outline,
            .btn-white {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }

        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            color: var(--color-accent);
        }

        /* ============ Hero 斜向错位 ============ */
        .hero-section {
            position: relative;
            overflow: hidden;
            background: var(--color-white);
            padding: 0;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-grid {
            display: flex;
            align-items: stretch;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 580px;
        }

        .hero-text-panel {
            flex: 0 0 42%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 60px 40px 60px 24px;
            z-index: 2;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent-light);
            color: var(--color-accent-hover);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
            width: fit-content;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-text-panel h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .hero-text-panel .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 440px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-kpi {
            text-align: left;
        }

        .hero-kpi .kpi-number {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .hero-kpi .kpi-label {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            margin-top: 4px;
        }

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

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }

        .hero-image-panel {
            flex: 0 0 58%;
            position: relative;
            overflow: hidden;
            clip-path: polygon(10% 0%, 100% 0%, 100% 100%, 0% 100%);
            min-height: 580px;
        }

        .hero-image-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.25) 0%, rgba(26, 26, 46, 0.05) 50%, rgba(26, 26, 46, 0.15) 100%);
            z-index: 1;
            pointer-events: none;
        }

        /* ============ 通用板块 ============ */
        .section-block {
            padding: 80px 0;
        }

        .section-block-alt {
            padding: 80px 0;
            background: var(--color-bg-alt);
        }

        .section-block-dark {
            padding: 80px 0;
            background: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 1.5px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-title-light {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-desc-light {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }

        /* ============ 卡片系统 ============ */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 18px;
            transition: all var(--transition-base);
        }

        .card-custom:hover .card-icon {
            background: var(--color-accent);
            color: var(--color-white);
            transform: scale(1.05);
        }

        .card-custom h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .card-custom p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 4px 10px;
            border-radius: 50px;
            margin-top: 14px;
            letter-spacing: 0.03em;
        }

        /* 图片卡片 */
        .card-image-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }

        .card-image-custom:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-4px);
        }

        .card-image-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-image-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card-image-custom:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-image-custom .card-body-custom {
            padding: 22px 24px;
        }

        .card-image-custom h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .card-image-custom p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ 流程步骤 ============ */
        .step-row {
            display: flex;
            gap: 0;
            position: relative;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .step-row::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 28px 20px;
            position: relative;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            margin: 0 6px;
        }

        .step-item:first-child {
            margin-left: 0;
        }

        .step-item:last-child {
            margin-right: 0;
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .step-item h5 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

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

        .step-connector {
            display: none;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 0;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
            letter-spacing: 0.02em;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
            color: var(--color-text-light);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(212, 167, 116, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 167, 116, 0.05);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 30px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* ============ 统计数字块 ============ */
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
        }

        /* ============ 新闻卡片 ============ */
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .news-card h5 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }

        .news-card .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-card .news-link:hover {
            gap: 8px;
            color: var(--color-accent-hover);
        }

        /* ============ 品牌介绍块 ============ */
        .brand-intro-block {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 60px;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
            margin: 48px 0 0 0;
        }

        .brand-intro-block h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .brand-intro-block p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.85;
            max-width: 750px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #14141f;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.04em;
        }

        .site-footer h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

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

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

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                flex-direction: column;
                min-height: auto;
            }

            .hero-text-panel {
                flex: 0 0 auto;
                padding: 48px 24px;
                order: 2;
            }

            .hero-image-panel {
                flex: 0 0 auto;
                min-height: 320px;
                clip-path: polygon(0% 0%, 100% 0%, 100% 92%, 0% 100%);
                order: 1;
            }

            .hero-text-panel h1 {
                font-size: 2.2rem;
            }

            .section-title,
            .section-title-light {
                font-size: 1.8rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .step-row {
                flex-wrap: wrap;
                justify-content: center;
            }

            .step-item {
                flex: 0 0 calc(50% - 12px);
                min-width: auto;
                margin: 6px;
            }

            .step-item:first-child {
                margin-left: 6px;
            }

            .step-item:last-child {
                margin-right: 6px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }

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

            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .header-nav a.active::after {
                display: none;
            }

            .header-nav a.active {
                background: var(--color-accent-light);
            }

            .mobile-menu-toggle {
                display: block;
            }

            .header-cta-btn {
                display: none;
            }

            .header-cta-btn.mobile-visible {
                display: inline-flex;
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }

            .hero-image-panel {
                min-height: 240px;
                clip-path: polygon(0% 0%, 100% 0%, 100% 94%, 0% 100%);
            }

            .hero-text-panel {
                padding: 36px 20px;
            }

            .hero-text-panel h1 {
                font-size: 1.8rem;
            }

            .hero-kpi-row {
                gap: 20px;
            }

            .hero-kpi .kpi-number {
                font-size: 1.5rem;
            }

            .section-block,
            .section-block-alt,
            .section-block-dark {
                padding: 50px 0;
            }

            .section-title,
            .section-title-light {
                font-size: 1.5rem;
            }

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

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

            .brand-intro-block {
                padding: 32px 20px;
            }

            .brand-intro-block::before {
                margin: 32px 0 0 0;
                height: 40px;
            }

            .step-item {
                flex: 0 0 100%;
                min-width: auto;
                margin: 6px 0;
            }

            .step-item:first-child {
                margin-left: 0;
            }

            .step-item:last-child {
                margin-right: 0;
            }

            .cta-inner h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text-panel h1 {
                font-size: 1.5rem;
            }

            .hero-image-panel {
                min-height: 200px;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .hero-cta-group .btn-primary-custom,
            .hero-cta-group .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }

            .section-title,
            .section-title-light {
                font-size: 1.3rem;
            }

            .card-custom {
                padding: 22px 18px;
            }

            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-accent-soft: #faf5ef;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-bg-darker: #111122;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --shadow-2xl: 0 24px 72px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-base);
            flex-shrink: 0;
            border: none;
            cursor: pointer;
        }
        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 6px;
            flex-shrink: 0;
        }

        /* ============ Hero - 视频官网风格 ============ */
        .hero-video-banner {
            position: relative;
            width: 100%;
            min-height: 580px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .hero-video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.72) 0%, rgba(26, 26, 46, 0.82) 40%, rgba(17, 17, 34, 0.9) 100%);
            z-index: 1;
        }
        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--color-white);
            padding: 40px 24px;
            max-width: 780px;
        }
        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            border: 3px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 2.2rem;
            cursor: pointer;
            transition: all var(--transition-slow);
            margin-bottom: 28px;
            animation: pulse-ring 2.4s ease-out infinite;
        }
        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 60px rgba(212, 167, 116, 0.5);
        }
        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 32px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }
        .hero-video-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #fff;
        }
        .hero-video-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-accent-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff !important;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-accent-lg:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff !important;
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff !important;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff !important;
            transform: translateY(-2px);
        }

        /* ============ 板块通用 ============ */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-lg {
            padding: 100px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 640px;
            line-height: 1.75;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 数据统计条 ============ */
        .stats-strip {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 28px 0;
        }
        .stats-strip-inner {
            display: flex;
            justify-content: center;
            gap: 60px;
            flex-wrap: wrap;
            text-align: center;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
        }
        .stat-number .stat-plus {
            font-size: 1.4rem;
            vertical-align: super;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        /* ============ 卡片网格 ============ */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .info-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .info-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .info-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .info-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }

        /* ============ 流程步骤 ============ */
        .process-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: nowrap;
            position: relative;
        }
        .process-step {
            flex: 1;
            text-align: center;
            padding: 0 20px;
            position: relative;
            min-width: 160px;
        }
        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            transition: all var(--transition-base);
        }
        .process-step:hover .process-step-num {
            transform: scale(1.1);
            box-shadow: var(--shadow-lg);
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 28px);
            width: calc(100% - 56px);
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-step h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }

        /* ============ 案例卡片 ============ */
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .case-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .case-card-body {
            padding: 24px 22px;
        }
        .case-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .case-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }
        .case-card-stats {
            display: flex;
            gap: 20px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border-light);
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }
        .case-card-stats span strong {
            color: var(--color-accent);
            font-size: 1.1rem;
            font-weight: 700;
        }

        /* ============ 优势区块 ============ */
        .advantage-row {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .advantage-row.reverse {
            flex-direction: row-reverse;
        }
        .advantage-text {
            flex: 1;
        }
        .advantage-image {
            flex: 1;
            border-radius: var(--radius-xl);
            overflow: hidden;
        }
        .advantage-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-slow);
        }
        .advantage-image:hover img {
            transform: scale(1.03);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg-alt);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-lighter);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: var(--color-bg-dark);
            color: #fff;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-accent-lg {
            font-size: 1.05rem;
            padding: 16px 38px;
            border-radius: var(--radius-lg);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }
        .site-footer h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-row {
                flex-direction: column;
                gap: 32px;
            }
            .advantage-row.reverse {
                flex-direction: column;
            }
            .advantage-image img {
                height: 280px;
            }
            .process-flow {
                flex-wrap: wrap;
                gap: 20px;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                flex: 0 0 calc(50% - 10px);
                min-width: auto;
            }
            .hero-video-content h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
                gap: 2px;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .header-logo {
                font-size: 1.5rem;
            }
            .header-divider {
                height: 24px;
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .header-inner {
                height: var(--nav-height-mobile);
            }
            .hero-video-banner {
                min-height: 420px;
            }
            .hero-video-content h1 {
                font-size: 1.8rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.6rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid-2 {
                grid-template-columns: 1fr;
            }
            .cards-grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-lg {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-strip-inner {
                gap: 28px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .process-step {
                flex: 0 0 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .case-card-img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .hero-video-content h1 {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-accent-lg,
            .btn-outline-lg {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .cards-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-strip-inner {
                gap: 18px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .info-card {
                padding: 22px 18px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }

        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }

        .header-nav::-webkit-scrollbar {
            display: none;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        /* ============ Hero - 白皮书获客 ============ */
        .hero-section {
            background: linear-gradient(180deg, #fafaf8 0%, #f3f0ec 40%, #ede8e0 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-cover-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            position: relative;
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
        }

        .hero-cover-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.14);
        }

        .hero-cover-img {
            width: 100%;
            aspect-ratio: 4/5;
            object-fit: cover;
            display: block;
        }

        .hero-cover-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-md);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .hero-eyebrow::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin: 0;
        }

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

        .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
        }

        .hero-toc {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .hero-toc-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .hero-toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-toc-list li {
            font-size: 0.9rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            border-bottom: 1px dashed var(--color-border-light);
        }

        .hero-toc-list li:last-child {
            border-bottom: none;
        }

        .hero-toc-list li .toc-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .hero-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .hero-form-card .form-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .hero-form-card .form-subtitle {
            font-size: 0.85rem;
            color: var(--color-text-lighter);
            margin-bottom: 16px;
        }

        .hero-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            margin-bottom: 12px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg);
        }

        .hero-form-card input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.12);
            background: #fff;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            width: 100%;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }

        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ============ Section 通用 ============ */
        .section-block {
            padding: 70px 0;
        }

        .section-block-alt {
            padding: 70px 0;
            background: var(--color-bg-alt);
        }

        .section-block-dark {
            padding: 70px 0;
            background: var(--color-bg-dark);
            color: #e0dcd5;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-title.light {
            color: #f5f0e8;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            max-width: 680px;
        }

        .section-desc.light {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 数据指标卡片 ============ */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            border-radius: 0 0 2px 2px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-value {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .metric-value .unit {
            font-size: 1.1rem;
            color: var(--color-accent);
            font-weight: 600;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* ============ 能力卡片 ============ */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .capability-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .capability-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent-light);
        }

        .capability-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .capability-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }

        .capability-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 流程步骤 ============ */
        .process-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: nowrap;
            position: relative;
        }

        .process-step {
            flex: 1;
            text-align: center;
            padding: 0 16px;
            position: relative;
            min-width: 140px;
        }

        .process-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
        }

        .process-step:hover .process-step-num {
            transform: scale(1.1);
            box-shadow: var(--shadow-lg);
        }

        .process-step h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

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

        .process-connector {
            position: absolute;
            top: 28px;
            left: 55%;
            right: -45%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent-light), var(--color-border), var(--color-accent-light));
            z-index: 1;
        }

        .process-step:last-child .process-connector {
            display: none;
        }

        /* ============ 案例卡片 ============ */
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .case-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .case-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .case-card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin: 0;
        }

        .case-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .case-stat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-accent);
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: var(--color-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: var(--color-accent-light);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
            border-color: var(--color-accent);
        }

        .faq-accordion .accordion-body {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.8;
            padding: 16px 22px 20px;
            background: #fefdfb;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #f5f0e8;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #14141f;
            color: #c5c0b8;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #e8e2d8;
            letter-spacing: 0.04em;
        }

        .site-footer h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #d5cfc4;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

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

        .site-footer ul li a {
            color: #9a948a;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #7a746a;
            gap: 12px;
        }

        .footer-bottom a {
            color: #9a948a;
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-cover-card {
                max-width: 380px;
                margin: 0 auto;
            }
            .hero-title {
                font-size: 2rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                flex-wrap: wrap;
                gap: 30px;
            }
            .process-connector {
                display: none;
            }
            .process-step {
                flex: 0 0 calc(50% - 15px);
                min-width: auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: var(--color-accent-light);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .header-logo {
                font-size: 1.5rem;
            }
            .header-divider {
                height: 22px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-value {
                font-size: 2rem;
            }
            .capability-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .process-step {
                flex: 0 0 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-block,
            .section-block-alt,
            .section-block-dark {
                padding: 45px 0;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .hero-cover-card {
                max-width: 260px;
            }
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-form-card {
                padding: 20px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-accent,
            .btn-outline-accent {
                width: 100%;
                max-width: 280px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        /* 额外动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a574;
            --color-accent-hover: #c08a5c;
            --color-accent-light: #f5e6d8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999;
            --color-border: #e8e5e0;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #2d8b5e;
            --color-warning: #c2782a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 90px;
            --nav-height-mobile: 70px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 杂志刊头导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .header-logo {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            line-height: 1;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-divider {
            width: 1px;
            height: 32px;
            background: var(--color-border);
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }
        .header-nav::-webkit-scrollbar {
            display: none;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white) !important;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .header-cta-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        /* ============ 板块通用 ============ */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            line-height: 1.7;
            max-width: 680px;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        /* ============ Hero - 白皮书获客 ============ */
        .hero-whitepaper {
            padding: 70px 0;
            background: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .hero-whitepaper::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-whitepaper .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-cover-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-cover-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            transform: rotate(-2deg);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            max-width: 380px;
            width: 100%;
        }
        .hero-cover-card:hover {
            transform: rotate(0deg) translateY(-6px);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.14);
        }
        .hero-cover-card img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
        }
        .hero-cover-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            z-index: 2;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .hero-content .hero-tagline {
            font-size: 1.15rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-toc {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 24px;
            border-left: 3px solid var(--color-accent);
        }
        .hero-toc h4 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .hero-toc ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hero-toc ul li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .hero-toc ul li:last-child {
            border-bottom: none;
        }
        .hero-toc ul li i {
            color: var(--color-accent);
            font-size: 0.7rem;
            margin-top: 5px;
            flex-shrink: 0;
        }
        .hero-form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-form-row input {
            flex: 1;
            min-width: 140px;
            padding: 12px 16px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            background: var(--color-white);
            transition: all var(--transition-fast);
            outline: none;
        }
        .hero-form-row input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.12);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }
        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-primary);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-dark:hover {
            background: #2a2a44;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }

        /* ============ 数据卡片区 ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 1.8rem;
            color: var(--color-border);
            opacity: 0.5;
        }

        /* ============ 解决方案卡片 ============ */
        .solution-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .solution-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }
        .solution-card .card-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.4rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .solution-card:hover .card-icon-circle {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.1);
        }
        .solution-card h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .solution-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 案例展示 ============ */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }
        .case-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .case-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card-body .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.04em;
        }
        .case-card-body h4 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .case-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
        }
        .case-metrics {
            display: flex;
            gap: 20px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border-light);
        }
        .case-metric {
            text-align: center;
        }
        .case-metric .metric-val {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
        }
        .case-metric .metric-lbl {
            font-size: 0.7rem;
            color: var(--color-text-lighter);
            letter-spacing: 0.03em;
        }

        /* ============ 流程区 ============ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: var(--color-border);
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }
        .process-step .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-white);
            border: 2px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .process-step:hover .step-num {
            border-color: var(--color-accent);
            background: var(--color-accent-light);
            color: var(--color-accent);
            transform: scale(1.08);
            box-shadow: var(--shadow-md);
        }
        .process-step h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ============ 优势对比 ============ */
        .advantage-table-wrap {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .advantage-row {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1.5fr;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        .advantage-row:last-child {
            border-bottom: none;
        }
        .advantage-row.header-row {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }
        .advantage-row:hover {
            background: var(--color-bg-alt);
        }
        .advantage-row.header-row:hover {
            background: var(--color-primary);
        }
        .advantage-cell {
            padding: 16px 20px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            line-height: 1.5;
        }
        .advantage-cell i.fa-check {
            color: var(--color-success);
            margin-right: 8px;
        }
        .advantage-cell i.fa-star {
            color: var(--color-accent);
            margin-right: 8px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-lighter);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: 0 24px 18px;
            max-height: 400px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-bg-dark);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-md);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }
        .site-footer h5 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #fff;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-whitepaper .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-cover-wrapper {
                order: -1;
            }
            .hero-cover-card {
                max-width: 280px;
                margin: 0 auto;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.8rem;
            }
            .advantage-row {
                grid-template-columns: 1fr 1.2fr 1.2fr;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 1040;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: var(--color-accent-light);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .header-logo {
                font-size: 1.5rem;
            }
            .header-divider {
                height: 24px;
            }
            .section-padding {
                padding: 50px 0;
            }
            .hero-whitepaper {
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-cover-card {
                max-width: 220px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .solution-cards {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .advantage-row {
                grid-template-columns: 1fr;
                font-size: 0.8rem;
            }
            .advantage-row.header-row {
                display: none;
            }
            .advantage-cell {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
            .advantage-cell::before {
                content: attr(data-label);
                font-weight: 700;
                display: block;
                margin-bottom: 4px;
                color: var(--color-primary);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-toc {
                padding: 14px 16px;
            }
            .hero-form-row {
                flex-direction: column;
            }
            .case-metrics {
                flex-wrap: wrap;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-cover-card {
                max-width: 180px;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .btn-accent,
            .btn-dark,
            .btn-outline-accent {
                width: 100%;
                justify-content: center;
            }
        }