/* roulang page: index */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 84px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--secondary);
        }

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

        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }

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

        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }

        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }

        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }

        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #94a3b8;
        }

        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: #fff;
            transition: all var(--transition);
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .menu-toggle:hover {
            border-color: var(--secondary);
        }

        /* ===== Hero对比选型 ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1e293b 40%, #0c4a6e 100%);
            color: #f8fafc;
            padding: 70px 0 90px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.14;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(2, 132, 199, 0.25);
            filter: blur(80px);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 1px;
            margin-bottom: 20px;
            font-family: var(--font-display);
            color: #fff;
        }

        .hero-text h1 .highlight {
            color: #38bdf8;
            position: relative;
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: #cbd5e1;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-data-row {
            display: flex;
            gap: 40px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-data-item .data-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-data-item .data-label {
            font-size: 0.82rem;
            color: #94a3b8;
            letter-spacing: 0.5px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 650;
            font-size: 0.92rem;
            letter-spacing: 0.4px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: #0284c7;
            color: #fff;
            box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
        }

        .btn-primary:hover {
            background: #0369a1;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(2, 132, 199, 0.45);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #e2e8f0;
            border: 1.5px solid rgba(226, 232, 240, 0.4);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: #f97316;
            color: #fff;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        .btn-accent:hover {
            background: #ea580c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(249, 115, 22, 0.5);
        }

        /* 对比选型卡片 */
        .hero-compare {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            align-items: stretch;
        }

        .compare-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition);
            position: relative;
        }

        .compare-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .compare-card.recommended {
            background: rgba(255, 255, 255, 0.15);
            border-color: #38bdf8;
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.4), 0 20px 50px rgba(2, 132, 199, 0.3);
            transform: translateY(-12px);
        }

        .compare-card.recommended:hover {
            transform: translateY(-16px);
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.55), 0 24px 56px rgba(2, 132, 199, 0.4);
        }

        .compare-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: #38bdf8;
            color: #0f172a;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 14px;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .compare-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .compare-card .card-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .compare-card .card-price span {
            font-size: 0.8rem;
            font-weight: 500;
            color: #94a3b8;
        }

        .compare-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .compare-card ul li {
            font-size: 0.82rem;
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.5;
        }

        .compare-card ul li i {
            color: #38bdf8;
            font-size: 0.7rem;
            flex-shrink: 0;
        }

        .compare-card .btn {
            width: 100%;
            padding: 10px 16px;
            font-size: 0.85rem;
        }

        .compare-card.recommended .btn {
            background: #0284c7;
            color: #fff;
        }

        /* ===== 通用Section ===== */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-tight {
            padding: 50px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: #0f172a;
            color: #f8fafc;
        }

        .section-head {
            margin-bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-head .label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 650;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--secondary);
        }

        .section-head .label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--secondary);
            display: inline-block;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 750;
            color: var(--text);
            letter-spacing: 0.5px;
            line-height: 1.35;
        }

        .section-head .sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

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

        .section-dark .section-head .sub {
            color: #94a3b8;
        }

        /* ===== 卖点三连 ===== */
        .triple-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .triple-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .triple-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(2, 132, 199, 0.25);
        }

        .triple-card .icon-badge {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(2, 132, 199, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 1.3rem;
        }

        .triple-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
        }

        .triple-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== 数据指标条 ===== */
        .stats-bar {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            border: 1px solid var(--border);
            position: relative;
            z-index: 5;
            margin-top: -50px;
        }

        .stat-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .news-item {
            padding: 20px 24px;
            border-bottom: 1px solid #f1f5f9;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .news-item:hover {
            background: #f8fafc;
        }

        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            transition: color var(--transition);
        }

        .news-item:hover .news-title {
            color: var(--secondary);
        }

        .news-item .news-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .news-item .news-link {
            font-size: 0.82rem;
            color: var(--secondary);
            font-weight: 650;
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-highlight {
            background: #0f172a;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            color: #f8fafc;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-highlight h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
        }

        .news-highlight p {
            font-size: 0.88rem;
            color: #cbd5e1;
            line-height: 1.75;
        }

        .news-highlight .btn {
            align-self: flex-start;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 18px;
            font-size: 0.8rem;
        }

        .news-highlight .btn:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .news-tag-cloud {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
        }

        .news-tag-cloud h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

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

        .news-tag-cloud .tags span {
            font-size: 0.78rem;
            padding: 6px 12px;
            border-radius: 16px;
            background: #f1f5f9;
            color: #475569;
            cursor: pointer;
            transition: all var(--transition);
        }

        .news-tag-cloud .tags span:hover {
            background: var(--secondary);
            color: #fff;
        }

        /* ===== 服务范围 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .card-img {
            aspect-ratio: 3/2;
            overflow: hidden;
            position: relative;
        }

        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        .service-card:hover .card-img img {
            transform: scale(1.04);
        }

        .service-card .card-body {
            padding: 22px 22px 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .service-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
        }

        .service-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
        }

        .service-card .card-body .btn-link {
            font-size: 0.85rem;
            color: var(--secondary);
            font-weight: 650;
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 深度内容区 ===== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .deep-content .deep-text h2 {
            font-size: 1.8rem;
            font-weight: 750;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content .deep-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-content .deep-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        .deep-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 10px;
        }

        .deep-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: #475569;
            line-height: 1.7;
        }

        .deep-points li i {
            color: var(--secondary);
            font-size: 0.8rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== 里程碑 ===== */
        .milestone-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .milestone-track::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: #e2e8f0;
            z-index: 0;
        }

        .milestone-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .milestone-item .ms-year {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--secondary);
            transition: all var(--transition);
        }

        .milestone-item:hover .ms-year {
            background: var(--secondary);
            color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 0 6px rgba(2, 132, 199, 0.1);
        }

        .milestone-item .ms-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
        }

        .milestone-item .ms-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 200px;
            line-height: 1.7;
        }

        /* ===== 直播预告 ===== */
        .live-promo {
            background: #0f172a;
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            position: relative;
        }

        .live-promo .live-bg {
            position: relative;
            min-height: 320px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .live-promo .live-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(15, 23, 42, 0.1), rgba(15, 23, 42, 0.85));
        }

        .live-promo .live-bg .live-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            color: #fff;
        }

        .live-promo .live-bg .live-overlay h3 {
            font-size: 1.4rem;
            font-weight: 700;
        }

        .live-promo .live-bg .live-overlay p {
            font-size: 0.85rem;
            color: #cbd5e1;
        }

        .live-promo .live-content {
            padding: 36px 32px;
            color: #f8fafc;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .live-promo .live-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
        }

        .live-countdown {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .live-countdown .cd-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 10px 14px;
            min-width: 56px;
        }

        .live-countdown .cd-item .cd-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: #38bdf8;
        }

        .live-countdown .cd-item .cd-label {
            font-size: 0.7rem;
            color: #94a3b8;
        }

        .live-highlights {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .live-highlights li {
            font-size: 0.88rem;
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .live-highlights li i {
            color: #f97316;
            font-size: 0.7rem;
        }

        .live-content .btn {
            align-self: flex-start;
        }

        /* ===== 社会认同 ===== */
        .social-proof {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .proof-item {
            text-align: center;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .proof-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .proof-item .proof-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }

        .proof-item .proof-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .proof-stars {
            color: #f59e0b;
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        /* ===== 用户评价 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition);
        }

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

        .testimonial-card .quote-mark {
            font-size: 2rem;
            color: var(--secondary);
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: #475569;
            line-height: 1.8;
            flex: 1;
        }

        .testimonial-card .reviewer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-card .reviewer .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #475569;
        }

        /* ===== 精选推荐 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .featured-card .fc-img {
            aspect-ratio: 3/2;
            overflow: hidden;
        }

        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        .featured-card:hover .fc-img img {
            transform: scale(1.05);
        }

        .featured-card .fc-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .featured-card .fc-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
        }

        .featured-card .fc-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .featured-card .fc-body .fc-tag {
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(2, 132, 199, 0.08);
            color: var(--secondary);
            align-self: flex-start;
            font-weight: 650;
        }

        /* ===== 关于/品牌介绍 ===== */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .about-layout .about-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        .about-layout .about-text h2 {
            font-size: 1.8rem;
            font-weight: 750;
            color: var(--text);
            margin-bottom: 16px;
        }

        .about-layout .about-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .about-layout .about-text .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 10px;
        }

        .about-layout .about-text .about-features li {
            font-size: 0.88rem;
            color: #475569;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .about-layout .about-text .about-features li i {
            color: var(--secondary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item details summary {
            padding: 18px 24px;
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            transition: color var(--transition);
            user-select: none;
        }

        .faq-item details summary:hover {
            color: var(--secondary);
        }

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

        .faq-item details summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
        }

        .faq-item details[open] summary .faq-icon {
            background: var(--secondary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item details .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(140deg, #0f172a 0%, #1e293b 50%, #0c4a6e 100%);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            color: #f8fafc;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }

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

        .cta-section .cta-text h2 {
            font-size: 2rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section .cta-text p {
            font-size: 1rem;
            color: #cbd5e1;
            line-height: 1.8;
            max-width: 500px;
        }

        .cta-section .cta-buttons {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-end;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1220;
            color: #94a3b8;
            padding: 50px 0 28px;
            font-size: 0.85rem;
        }

        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 2px;
        }

        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.8;
            margin-top: 10px;
            color: #64748b;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            font-size: 0.82rem;
            color: #64748b;
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #38bdf8;
        }

        .footer-bottom {
            max-width: var(--max-w);
            margin: 30px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: #475569;
        }

        .footer-bottom .copyright {
            line-height: 1.8;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: #64748b;
            font-size: 0.78rem;
        }

        .footer-bottom .footer-links a:hover {
            color: #38bdf8;
        }

        .footer-bottom .beian {
            line-height: 1.8;
            text-align: right;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-compare {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .compare-card.recommended {
                transform: translateY(-6px);
            }

            .triple-grid,
            .service-grid,
            .testimonial-grid,
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }

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

            .milestone-track {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px 20px;
            }

            .milestone-track::before {
                display: none;
            }

            .deep-content,
            .about-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .live-promo {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
                padding: 10px 16px;
                position: relative;
            }

            .brand-divider {
                display: none;
            }

            .brand-logo {
                font-size: 1.4rem;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-channels {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 14px 20px;
                z-index: 95;
                gap: 4px;
            }

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

            .nav-channels a {
                padding: 10px 14px;
                text-align: left;
                border-radius: 8px;
            }

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

            .header-actions {
                margin-left: auto;
            }

            .header-search {
                display: none;
            }

            .hero-section {
                padding: 50px 0 60px;
            }

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

            .hero-data-row {
                gap: 24px;
            }

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

            .compare-card.recommended {
                transform: none;
            }

            .compare-card.recommended:hover {
                transform: translateY(-4px);
            }

            .triple-grid,
            .service-grid,
            .testimonial-grid,
            .featured-grid {
                grid-template-columns: 1fr;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
                gap: 20px;
            }

            .social-proof {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

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

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

            .cta-section {
                grid-template-columns: 1fr;
                padding: 40px 24px;
                gap: 24px;
            }

            .cta-section .cta-buttons {
                align-items: flex-start;
            }

            .section {
                padding: 50px 0;
            }

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

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

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

            .footer-bottom .beian {
                text-align: center;
            }
        }

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

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

            .hero-text .hero-desc {
                font-size: 0.92rem;
            }

            .hero-data-item .data-num {
                font-size: 1.4rem;
            }

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

            .social-proof {
                grid-template-columns: 1fr;
            }

            .triple-card {
                padding: 24px 20px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }

            .hero-cta-group .btn,
            .cta-buttons .btn {
                width: 100%;
            }

            .section-head h2 {
                font-size: 1.35rem;
            }

            .section-head .sub {
                font-size: 0.9rem;
            }

            .compare-card {
                padding: 18px 16px;
            }

            .compare-card .card-price {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 64px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--secondary);
        }

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

        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }

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

        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }

        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }

        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }

        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #94a3b8;
        }

        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu-btn {
            display: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 6px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .mobile-menu-btn:hover {
            background: #f1f5f9;
        }

        /* ===== Hero 板块 ===== */
        .hero-category {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #1e3a5f 100%);
            color: #fff;
            padding: 72px 0 88px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -160px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.28) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(2, 132, 199, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(249, 115, 22, 0.18);
            border: 1px solid rgba(249, 115, 22, 0.4);
            color: #fdba74;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-sub {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-pain {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(255, 255, 255, 0.06);
            border-left: 3px solid var(--accent);
            padding: 14px 18px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            max-width: 520px;
            margin-bottom: 30px;
        }

        .hero-pain i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 4px;
        }

        .hero-pain p {
            font-size: 0.95rem;
            color: #e2e8f0;
            line-height: 1.7;
        }

        .hero-form-box {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            max-width: 480px;
        }

        .hero-form-box label {
            font-size: 0.85rem;
            font-weight: 600;
            color: #e2e8f0;
            display: block;
            margin-bottom: 6px;
        }

        .hero-form-box input,
        .hero-form-box select {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            transition: all var(--transition);
        }

        .hero-form-box input::placeholder {
            color: #94a3b8;
        }

        .hero-form-box select option {
            color: var(--text);
            background: #fff;
        }

        .hero-form-box input:focus,
        .hero-form-box select:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 650;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: 28px;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
            width: 100%;
        }

        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
            color: #fff;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: 28px;
            transition: all var(--transition);
            border: 2px solid var(--secondary);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 64px 0;
        }

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

        .section-white {
            background: #fff;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 650;
            color: var(--secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.35;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .section-dark .section-title {
            color: #fff;
        }

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

        .section-dark .section-desc {
            color: #94a3b8;
        }

        /* ===== 卡片 ===== */
        .stat-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.25);
        }

        .stat-card .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(2, 132, 199, 0.08);
            color: var(--secondary);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            font-family: var(--font-display);
        }

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

        /* ===== 数据表格样式 ===== */
        .data-table-wrap {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .data-table thead {
            background: var(--primary);
            color: #fff;
        }

        .data-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            white-space: nowrap;
        }

        .data-table tbody tr:hover {
            background: rgba(2, 132, 199, 0.04);
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .team-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), #0369a1);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .badge-live {
            background: #ef4444;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
            animation: pulse-live 1.5s infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .badge-finished {
            background: #f1f5f9;
            color: #64748b;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
        }

        /* ===== 流程步骤 ===== */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-flow::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            opacity: 0.3;
            z-index: 0;
        }

        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--secondary);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 14px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .step-item:hover .step-circle {
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transform: scale(1.08);
        }

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

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

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(2, 132, 199, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--primary);
            cursor: pointer;
            gap: 16px;
            transition: all var(--transition);
        }

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

        .faq-question i {
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a5f 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
        }

        .cta-box h3 {
            font-family: var(--font-display);
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 0.95rem;
            color: #cbd5e1;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 56px 0 28px;
        }

        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
        }

        .footer-bottom .copyright {
            color: #64748b;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .footer-links a {
            color: #94a3b8;
            font-size: 0.8rem;
        }

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

        .footer-bottom .beian {
            color: #64748b;
            font-size: 0.75rem;
            line-height: 1.6;
            text-align: right;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-search input {
                width: 80px;
            }
            .step-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .step-flow::before {
                display: none;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 40px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 56px;
            }
            .header-inner {
                padding: 10px 16px;
                gap: 12px;
            }
            .brand-logo {
                font-size: 1.35rem;
                letter-spacing: 1px;
            }
            .brand-divider {
                display: none;
            }
            .nav-channels {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                align-items: stretch;
                gap: 4px;
                z-index: 100;
            }
            .nav-channels.open {
                display: flex;
            }
            .nav-channels a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 0.95rem;
            }
            .nav-channels a.active::after {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
                order: 3;
            }
            .header-actions {
                order: 2;
            }
            .header-search {
                display: none;
            }
            .hero-category {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-form-box {
                padding: 20px;
            }
            .section {
                padding: 44px 0;
            }
            .step-flow {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .data-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom .beian {
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 8px 12px;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-pain {
                padding: 12px 14px;
            }
            .step-flow {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-box {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-card {
                padding: 20px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }

.section-dark { background: #0f172a; }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            z-index: 1;
        }
        .btn-cta:hover {
            background: #ea580c;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(249, 115, 22, 0.3);
        }

/* roulang page: category1 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 18px;
            padding: 10px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--secondary);
        }
        .brand-logo .logo-dot {
            color: var(--accent);
        }
        .brand-divider {
            width: 1px;
            height: 32px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-start;
        }
        .nav-channels a {
            font-size: 0.84rem;
            font-weight: 550;
            color: #475569;
            padding: 7px 12px;
            border-radius: 18px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }
        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 22px;
            padding: 5px 12px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.82rem;
            width: 110px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search i {
            color: #94a3b8;
            font-size: 0.82rem;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(2, 132, 199, 0.08);
        }
        /* ===== Hero裂变邀请首屏 ===== */
        .hero-invite {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 55%, #0c4a6e 100%);
            color: #e2e8f0;
            padding: 68px 0 72px;
            overflow: hidden;
        }
        .hero-invite::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-invite::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -8%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(2, 132, 199, 0.2);
            border: 1px solid rgba(2, 132, 199, 0.4);
            color: #7dd3fc;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-sub {
            font-size: 1.02rem;
            line-height: 1.75;
            color: #cbd5e1;
            max-width: 540px;
            margin-bottom: 22px;
        }
        .invite-reward-box {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 20px;
            max-width: 480px;
        }
        .invite-reward-box h3 {
            font-size: 0.92rem;
            font-weight: 650;
            color: #fbbf24;
            margin-bottom: 8px;
            letter-spacing: 0.4px;
        }
        .invite-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.78rem;
            color: #94a3b8;
            margin-bottom: 7px;
        }
        .invite-progress-track {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            overflow: hidden;
        }
        .invite-progress-fill {
            width: 68%;
            height: 100%;
            background: linear-gradient(90deg, #0284c7, #f97316);
            border-radius: 20px;
            transition: width 0.6s ease;
        }
        .invite-btn-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            font-weight: 650;
            padding: 11px 26px;
            border-radius: 26px;
            letter-spacing: 0.5px;
            font-size: 0.92rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
        }
        .btn-ghost-light {
            background: rgba(255, 255, 255, 0.08);
            color: #e2e8f0;
            font-weight: 550;
            padding: 11px 24px;
            border-radius: 26px;
            letter-spacing: 0.4px;
            font-size: 0.92rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition);
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-visual-panel {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-visual-panel img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .hero-stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 12px;
        }
        .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            padding: 14px 8px;
        }
        .hero-stat-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.72rem;
            color: #94a3b8;
        }
        /* ===== 板块通用 ===== */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-deep {
            background: #0f172a;
            color: #e2e8f0;
        }
        .section-eyebrow {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .section-deep .section-title {
            color: #fff;
        }
        .section-desc {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 720px;
        }
        .section-deep .section-desc {
            color: #94a3b8;
        }
        /* ===== 痛点卡片 ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            margin-top: 28px;
        }
        .pain-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(2, 132, 199, 0.3);
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .pain-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* ===== 解决方案面板 ===== */
        .solution-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            margin-top: 30px;
        }
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .solution-list li:last-child {
            border-bottom: none;
        }
        .solution-list .sol-icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(2, 132, 199, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 1rem;
        }
        .solution-list h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .solution-list p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        /* ===== 覆盖数据块 ===== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin-top: 28px;
        }
        .coverage-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }
        .coverage-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(2, 132, 199, 0.4);
            transform: translateY(-3px);
        }
        .coverage-card .cov-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #7dd3fc;
            display: block;
            margin-bottom: 6px;
        }
        .coverage-card .cov-label {
            font-size: 0.78rem;
            color: #94a3b8;
            letter-spacing: 0.3px;
        }
        /* ===== 流程图 ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 30px;
            counter-reset: step;
        }
        .flow-step {
            position: relative;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 18px 20px;
            text-align: center;
            transition: all var(--transition);
            counter-increment: step;
        }
        .flow-step::before {
            content: counter(step);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .flow-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.3);
        }
        .flow-step h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* ===== 用户证言 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 28px;
        }
        .testimonial-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .testi-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }
        .testimonial-card blockquote {
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--text);
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .testi-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .testimonial-card .testi-author strong {
            color: var(--text);
            font-weight: 650;
        }
        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(2, 132, 199, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 650;
            font-size: 0.95rem;
            cursor: pointer;
            color: var(--text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item summary:hover {
            color: var(--secondary);
        }
        .faq-item .faq-body {
            padding: 0 22px 20px;
            font-size: 0.87rem;
            line-height: 1.75;
            color: var(--text-muted);
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0c4a6e 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #e2e8f0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            font-size: 0.94rem;
            color: #cbd5e1;
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 2;
            line-height: 1.75;
        }
        .cta-btn-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
        }
        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1.5px;
        }
        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: #94a3b8;
        }
        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #7dd3fc;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding: 18px 24px;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: #64748b;
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: #64748b;
            font-size: 0.78rem;
        }
        .footer-links a:hover {
            color: #7dd3fc;
        }
        .beian {
            font-size: 0.72rem;
            color: #475569;
            text-align: right;
            line-height: 1.6;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-panel {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 16px;
            }
            .brand-divider {
                display: none;
            }
            .nav-channels {
                order: 10;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-channels a {
                font-size: 0.78rem;
                padding: 6px 10px;
                white-space: nowrap;
            }
            .nav-channels a.active::after {
                display: none;
            }
            .header-search {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-invite {
                padding: 40px 0 48px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 0.9rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .beian {
                text-align: left;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .hero-stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 6px;
            }
            .hero-stat-num {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 6px 12px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-sub {
                font-size: 0.85rem;
            }
            .btn-primary,
            .btn-ghost-light {
                padding: 9px 18px;
                font-size: 0.82rem;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                padding: 0 16px;
            }
            .footer-bottom {
                padding: 14px 16px;
            }
            .cta-btn-row {
                flex-direction: column;
                gap: 10px;
            }
            .cta-btn-row .btn-primary,
            .cta-btn-row .btn-ghost-light {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 84px;
        }
        :root {
            --header-h: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--secondary);
        }
        .brand-logo .logo-dot {
            color: var(--accent);
        }
        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-start;
        }
        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }
        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        /* ===== 移动端导航 ===== */
        .nav-toggle {
            display: none;
            font-size: 1.3rem;
            color: var(--primary);
            padding: 6px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(15, 23, 42, 0.06);
        }
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: auto;
                padding: 12px 18px;
                gap: 12px;
            }
            .brand-divider {
                display: none;
            }
            .nav-channels {
                order: 3;
                flex-basis: 100%;
                gap: 4px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 6px;
                scrollbar-width: thin;
            }
            .nav-channels a {
                font-size: 0.82rem;
                padding: 7px 12px;
            }
            .nav-channels a.active {
                font-weight: 600;
            }
            .header-search {
                margin-left: auto;
            }
        }
        @media (max-width: 640px) {
            .header-inner {
                padding: 10px 14px;
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.4rem;
                letter-spacing: 1px;
            }
            .header-search input {
                width: 80px;
                font-size: 0.78rem;
            }
            .header-search {
                padding: 4px 10px;
            }
            .nav-channels a {
                font-size: 0.78rem;
                padding: 6px 10px;
            }
        }
        /* ===== Hero：创作者主页头图风格 ===== */
        .creator-hero {
            position: relative;
            background: linear-gradient(180deg, #0f172a 0%, #1e293b 55%, #0f172a 100%);
            color: #f1f5f9;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: flex-end;
            padding: 0 0 48px;
        }
        .creator-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.3;
            z-index: 0;
        }
        .creator-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.45) 0%, rgba(15, 23, 42, 0.85) 70%, #0f172a 100%);
            z-index: 1;
        }
        .creator-hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            gap: 28px;
            width: 100%;
        }
        .creator-avatar {
            width: 96px;
            height: 96px;
            border-radius: 28px;
            background: linear-gradient(135deg, #0284c7, #0f172a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.6rem;
            color: #fff;
            box-shadow: 0 8px 32px rgba(2, 132, 199, 0.35);
            border: 3px solid rgba(255, 255, 255, 0.25);
            flex-shrink: 0;
        }
        .creator-info {
            flex: 1;
            min-width: 260px;
        }
        .creator-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(2, 132, 199, 0.2);
            border: 1px solid rgba(2, 132, 199, 0.4);
            color: #7dd3fc;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .creator-name {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 8px;
        }
        .creator-tagline {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 620px;
            line-height: 1.7;
        }
        .creator-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .creator-stat {
            display: flex;
            flex-direction: column;
        }
        .creator-stat-num {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .creator-stat-label {
            font-size: 0.78rem;
            color: #94a3b8;
            letter-spacing: 0.5px;
        }
        .creator-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        .creator-follow-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #f97316;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: 30px;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.35);
            white-space: nowrap;
        }
        .creator-follow-btn:hover {
            background: #ea580c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(249, 115, 22, 0.45);
        }
        .creator-outline-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: 30px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .creator-outline-btn:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 768px) {
            .creator-hero {
                min-height: auto;
                padding: 40px 0 32px;
            }
            .creator-hero-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .creator-name {
                font-size: 1.9rem;
            }
            .creator-tagline {
                font-size: 0.95rem;
            }
            .creator-avatar {
                width: 76px;
                height: 76px;
                font-size: 2rem;
                border-radius: 20px;
            }
            .creator-stats {
                gap: 16px;
            }
            .creator-actions {
                width: 100%;
                flex-wrap: wrap;
            }
            .creator-follow-btn,
            .creator-outline-btn {
                flex: 1;
                justify-content: center;
                min-width: 140px;
            }
        }
        /* ===== 板块通用 ===== */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: #0f172a;
            color: #e2e8f0;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-eyebrow::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 36px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
        }
        /* ===== 痛点卡片 ===== */
        .pain-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.25);
        }
        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .pain-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .pain-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* ===== 解决方案特性 ===== */
        .feature-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .feature-panel-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-panel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform 400ms ease;
        }
        .feature-panel-img:hover img {
            transform: scale(1.04);
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 20px;
        }
        .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .feature-item-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: rgba(2, 132, 199, 0.12);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .feature-item-title {
            font-weight: 650;
            color: var(--primary);
            font-size: 0.98rem;
            margin-bottom: 3px;
        }
        .feature-item-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .feature-panel {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-panel-img {
                max-height: 280px;
            }
        }
        /* ===== 数据仪表盘 ===== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .dashboard-card {
            background: #1e293b;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
        }
        .dashboard-card:hover {
            background: #273449;
            border-color: rgba(2, 132, 199, 0.4);
            transform: translateY(-3px);
        }
        .dashboard-icon {
            font-size: 1.8rem;
            color: #38bdf8;
            margin-bottom: 12px;
        }
        .dashboard-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .dashboard-label {
            font-size: 0.85rem;
            color: #94a3b8;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .dashboard-num {
                font-size: 1.7rem;
            }
        }
        /* ===== 赛事覆盖矩阵 ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .league-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .league-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(2, 132, 199, 0.3);
            transform: translateY(-2px);
        }
        .league-flag {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(2, 132, 199, 0.25));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .league-name {
            font-weight: 650;
            color: var(--primary);
            font-size: 0.98rem;
            line-height: 1.3;
        }
        .league-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .league-card {
                padding: 14px;
                gap: 10px;
            }
            .league-flag {
                width: 40px;
                height: 40px;
                font-size: 1.05rem;
                border-radius: 10px;
            }
            .league-name {
                font-size: 0.88rem;
            }
        }
        @media (max-width: 480px) {
            .league-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            position: relative;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 22px 24px;
            transition: all var(--transition);
            text-align: center;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.25);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .step-title {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .step-card {
                padding: 20px 16px 18px;
            }
        }
        @media (max-width: 480px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== 用户证言 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
            position: relative;
            padding-top: 8px;
        }
        .testimonial-quote::before {
            content: '\201C';
            font-size: 2.8rem;
            color: rgba(2, 132, 199, 0.25);
            position: absolute;
            top: -14px;
            left: -4px;
            font-family: Georgia, serif;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0284c7, #0f172a);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 650;
            font-size: 0.92rem;
            color: var(--primary);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(2, 132, 199, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 650;
            color: var(--primary);
            font-size: 0.98rem;
            user-select: none;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question i {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 22px 20px;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #0f172a 100%);
            color: #fff;
            padding: 68px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(2, 132, 199, 0.15);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
            justify-content: space-between;
        }
        .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 1rem;
            color: #cbd5e1;
            max-width: 540px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        .cta-primary-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #f97316;
            color: #fff;
            font-weight: 650;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: 30px;
            transition: all var(--transition);
            box-shadow: 0 6px 28px rgba(249, 115, 22, 0.4);
            white-space: nowrap;
        }
        .cta-primary-btn:hover {
            background: #ea580c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(249, 115, 22, 0.5);
        }
        .cta-secondary-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #e2e8f0;
            font-weight: 550;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: 30px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-secondary-btn:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 44px 0;
            }
            .cta-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .cta-actions {
                justify-content: center;
                width: 100%;
            }
            .cta-primary-btn,
            .cta-secondary-btn {
                flex: 1;
                justify-content: center;
                min-width: 150px;
            }
        }
        /* ===== 新闻中心 ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .news-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(2, 132, 199, 0.3);
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .news-headline {
            font-weight: 650;
            font-size: 1.02rem;
            color: var(--primary);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }
        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .news-readmore:hover {
            color: #0369a1;
            gap: 10px;
        }
        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        /* ===== 品牌介绍区块 ===== */
        .brand-intro-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 38px 32px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
        }
        .brand-intro-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .brand-intro-text {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        @media (max-width: 768px) {
            .brand-intro-card {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .brand-intro-title {
                font-size: 1.25rem;
            }
            .brand-intro-text {
                font-size: 0.9rem;
            }
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.87rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #38bdf8;
        }
        .footer-bottom {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            justify-content: space-between;
            font-size: 0.82rem;
            color: #64748b;
        }
        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.82rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #38bdf8;
        }
        .beian {
            text-align: right;
            line-height: 1.6;
            font-size: 0.78rem;
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 540px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .beian {
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--secondary);
        }
        .brand-logo .logo-dot {
            color: var(--accent);
        }
        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-start;
        }
        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }
        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        /* ===== 按钮系统 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
        }
        .btn-primary:hover {
            background: #0369a1;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(255, 255, 255, 0.25);
        }
        .btn-white:hover {
            background: #f8fafc;
            color: var(--secondary);
            transform: translateY(-2px);
        }

        /* ===== 板块基础 ===== */
        .section {
            padding: 64px 0;
        }
        .section-dark {
            background: var(--primary);
            color: #e2e8f0;
        }
        .section-surface {
            background: #f1f5f9;
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.75;
        }
        .badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(2, 132, 199, 0.08);
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.12);
            color: #7dd3fc;
        }

        /* ===== 卡片系统 ===== */
        .card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.25);
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 24px;
        }

        /* ===== 数据统计 ===== */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            font-family: var(--font-display);
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(2, 132, 199, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            letter-spacing: 0.3px;
        }
        .faq-answer {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 0.95rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--secondary);
        }
        .faq-icon {
            transition: transform var(--transition);
            flex-shrink: 0;
            font-size: 1.25rem;
            color: var(--text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1220;
            color: #94a3b8;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #7dd3fc;
        }
        .footer-bottom {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 24px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.8rem;
            color: #475569;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.82rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #7dd3fc;
        }
        .beian {
            text-align: right;
            line-height: 1.6;
            font-size: 0.78rem;
            color: #475569;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-channels {
                order: 3;
                width: 100%;
                justify-content: center;
                padding: 8px 0 4px;
                gap: 2px;
            }
            .nav-channels a {
                font-size: 0.78rem;
                padding: 6px 10px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .brand-logo {
                font-size: 1.35rem;
            }
            .brand-divider {
                display: none;
            }
            .header-search {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-channels {
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-top: 1px solid var(--border);
                padding: 12px 16px;
                gap: 4px;
            }
            .nav-channels.open {
                display: flex;
            }
            .nav-channels a {
                text-align: center;
                padding: 10px;
                border-radius: 10px;
            }
            .nav-channels a.active::after {
                display: none;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .beian {
                text-align: center;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .brand-logo {
                font-size: 1.15rem;
                letter-spacing: 1px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-outline,
            .btn-white {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .card-body {
                padding: 16px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 84px;
        }
        :root {
            --header-h: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--secondary);
        }
        .brand-logo .logo-dot {
            color: var(--accent);
        }
        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-start;
        }
        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }
        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-accent:hover {
            background: #ea580c;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .badge-blue {
            background: rgba(2, 132, 199, 0.1);
            color: var(--secondary);
        }
        .badge-accent {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
        }
        .badge-dark {
            background: rgba(15, 23, 42, 0.06);
            color: var(--primary);
        }
        .card {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.3);
        }
        .section-pad {
            padding: 64px 0;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }
        .divider-line {
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px 0 20px;
        }
        .news-card {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 22px;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(2, 132, 199, 0.25);
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .news-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--primary);
            line-height: 1.4;
        }
        .news-excerpt {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .stat-block {
            text-align: center;
            padding: 28px 16px;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-answer {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 10px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .timeline-item {
            display: flex;
            gap: 18px;
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 36px;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-item:last-child::before {
            display: none;
        }
        .timeline-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
            z-index: 2;
        }
        .site-footer {
            background: var(--primary);
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand h3 {
            font-family: var(--font-display);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: var(--max-w);
            margin: 32px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .copyright {
            font-size: 0.8rem;
            color: #94a3b8;
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.8rem;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .beian {
            font-size: 0.75rem;
            color: #64748b;
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 16px;
                gap: 10px;
            }
            .nav-channels {
                order: 3;
                width: 100%;
                justify-content: center;
                gap: 4px;
            }
            .nav-channels a {
                font-size: 0.78rem;
                padding: 6px 10px;
            }
            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .section-pad {
                padding: 48px 0;
            }
        }
        @media (max-width: 768px) {
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-divider {
                display: none;
            }
            .header-search input {
                width: 80px;
            }
            .nav-channels {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-channels a {
                flex-shrink: 0;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-pad {
                padding: 36px 0;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
                padding: 8px 12px;
            }
            .brand-logo {
                font-size: 1.1rem;
                letter-spacing: 1px;
            }
            .header-search {
                display: none;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-pad {
                padding: 28px 0;
            }
            .container {
                padding: 0 16px;
            }
        }
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 460px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.65) 50%, rgba(2, 132, 199, 0.4) 100%);
            z-index: -1;
        }
        .hero-banner .container {
            z-index: 1;
            color: #fff;
        }
        .hero-banner h1 {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 1px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-banner p {
            font-size: 1.1rem;
            color: #e2e8f0;
            max-width: 620px;
            line-height: 1.7;
        }

/* roulang page: category5 */
:root {
            --primary: #0f172a;
            --secondary: #0284c7;
            --accent: #f97316;
            --surface: #f8fafc;
            --card: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-glow: 0 0 0 1px rgba(2, 132, 199, 0.15), 0 12px 40px rgba(2, 132, 199, 0.18);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
            --max-w: 1200px;
            --header-h: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
            outline: 3px solid rgba(2, 132, 199, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 杂志刊头导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-h);
            gap: 20px;
            padding: 14px 24px;
            max-width: var(--max-w);
            margin: 0 auto;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--primary);
            line-height: 1.2;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--secondary);
        }
        .brand-logo .logo-dot {
            color: var(--accent);
        }
        .brand-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
            flex-shrink: 0;
            display: block;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-start;
        }
        .nav-channels a {
            font-size: 0.87rem;
            font-weight: 550;
            color: #475569;
            padding: 8px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.06);
        }
        .nav-channels a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 650;
            box-shadow: var(--shadow-sm);
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border-radius: 24px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            width: 120px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search i {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== Hero 白皮书获客 ===== */
        .hero-whitepaper {
            position: relative;
            background: var(--primary);
            color: #fff;
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 80px 0;
        }
        .hero-whitepaper::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }
        .hero-whitepaper::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(2, 132, 199, 0.35), transparent 70%);
            z-index: 1;
        }
        .hero-whitepaper .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 56px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(249, 115, 22, 0.15);
            border: 1px solid rgba(249, 115, 22, 0.4);
            color: #fb923c;
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-whitepaper h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-whitepaper .hero-sub {
            font-size: 1.05rem;
            line-height: 1.8;
            color: #cbd5e1;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .hero-highlights span {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            color: #e2e8f0;
        }
        .hero-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-form h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 12px;
        }
        .hero-form input {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .hero-form input::placeholder {
            color: #94a3b8;
        }
        .hero-form input:focus {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.25);
        }
        .hero-form .btn-download {
            width: 100%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all var(--transition);
            margin-top: 4px;
        }
        .hero-form .btn-download:hover {
            background: #ea580c;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
        }
        .hero-form .form-note {
            font-size: 0.78rem;
            color: #94a3b8;
            margin-top: 10px;
            text-align: center;
        }
        .whitepaper-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transform: rotate(2deg);
            transition: transform var(--transition);
        }
        .whitepaper-card:hover {
            transform: rotate(0deg) scale(1.02);
        }
        .whitepaper-card .wp-cover {
            position: relative;
            aspect-ratio: 3/4;
            overflow: hidden;
        }
        .whitepaper-card .wp-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .whitepaper-card .wp-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.9));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px 24px;
        }
        .whitepaper-card .wp-overlay h4 {
            color: #fff;
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .whitepaper-card .wp-overlay p {
            color: #cbd5e1;
            font-size: 0.82rem;
            line-height: 1.6;
        }
        .wp-toc {
            padding: 20px 24px;
        }
        .wp-toc h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .wp-toc ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .wp-toc ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.82rem;
            color: #475569;
            border-bottom: 1px dashed var(--border);
        }
        .wp-toc ul li:last-child {
            border-bottom: none;
        }
        .wp-toc ul li i {
            color: var(--secondary);
            font-size: 0.7rem;
            flex-shrink: 0;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }
        .card {
            background: var(--card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 28px;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(2, 132, 199, 0.3);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background: rgba(2, 132, 199, 0.08);
            color: var(--secondary);
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition);
            border: none;
        }
        .btn-primary:hover {
            background: #0369a1;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(2, 132, 199, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            border: 2px solid var(--border);
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(2, 132, 199, 0.04);
        }
        .tag {
            display: inline-block;
            background: rgba(2, 132, 199, 0.08);
            color: var(--secondary);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .stat-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 24px;
            background: var(--card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-display);
            line-height: 1.2;
        }
        .stat-number .stat-unit {
            font-size: 1.1rem;
            color: var(--secondary);
            font-weight: 600;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .divider {
            height: 1px;
            background: var(--border);
            margin: 0;
        }

        /* ===== 板块特定样式 ===== */
        .pain-point-section {
            background: #fff;
        }
        .pain-point-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pain-point-card {
            background: #fef2f2;
            border: 1px solid #fecaca;
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition);
        }
        .pain-point-card:hover {
            box-shadow: 0 8px 28px rgba(239, 68, 68, 0.12);
            transform: translateY(-2px);
        }
        .pain-point-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .pain-point-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #991b1b;
            margin-bottom: 8px;
        }
        .pain-point-card p {
            font-size: 0.88rem;
            color: #7f1d1d;
            line-height: 1.7;
        }

        .solution-section {
            background: linear-gradient(160deg, #f0f9ff 0%, #f8fafc 60%);
        }
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .solution-card {
            background: #fff;
            border: 1px solid #e0f2fe;
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
        }
        .solution-card:hover {
            border-color: #bae6fd;
            box-shadow: 0 8px 24px rgba(2, 132, 199, 0.12);
        }
        .solution-card .sol-icon {
            font-size: 1.4rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .solution-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .solution-card p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .data-service-section {
            background: #fff;
        }
        .data-service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .data-service-item {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
        }
        .data-service-item:hover {
            border-color: #bae6fd;
            box-shadow: var(--shadow-md);
        }
        .data-service-item .ds-img {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .data-service-item .ds-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .data-service-item .ds-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .data-service-item .ds-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .result-section {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .result-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.2), transparent 70%);
        }
        .result-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -30px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(2, 132, 199, 0.25), transparent 70%);
        }
        .result-section .container {
            position: relative;
            z-index: 2;
        }
        .result-section .section-title {
            color: #fff;
        }
        .result-section .section-desc {
            color: #cbd5e1;
        }
        .result-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .result-stat {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            backdrop-filter: blur(6px);
        }
        .result-stat .rs-number {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-display);
            color: #fff;
            line-height: 1.2;
        }
        .result-stat .rs-number span {
            font-size: 1rem;
            color: #7dd3fc;
            font-weight: 600;
        }
        .result-stat .rs-label {
            font-size: 0.85rem;
            color: #94a3b8;
            margin-top: 6px;
        }

        .testimonial-section {
            background: #fff;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--secondary);
            opacity: 0.3;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: #475569;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .t-author .avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-card .t-author .t-info h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
        }
        .testimonial-card .t-author .t-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .process-section {
            background: var(--surface);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }
        .process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 26px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .deep-content-section {
            background: #fff;
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .deep-content-grid .dc-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content-grid .dc-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .deep-content-grid .dc-text h3 {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .deep-content-grid .dc-text p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-grid .dc-text ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .deep-content-grid .dc-text ul li {
            display: flex;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.88rem;
            color: #475569;
        }
        .deep-content-grid .dc-text ul li i {
            color: var(--secondary);
            font-size: 0.75rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .news-mini-section {
            background: var(--surface);
        }
        .news-mini-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-mini-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .news-mini-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-mini-card .nm-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-mini-card .nm-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .news-mini-card .nm-body {
            padding: 18px 20px;
        }
        .news-mini-card .nm-date {
            font-size: 0.72rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-mini-card .nm-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-mini-card .nm-body p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .news-mini-card .nm-body .read-more {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-mini-card .nm-body .read-more:hover {
            color: #0369a1;
        }

        .faq-section {
            background: #fff;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--surface);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #bae6fd;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 650;
            font-size: 0.92rem;
            color: var(--primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 0.8rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 20px 18px;
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0c4a6e 100%);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.25), transparent 70%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: #cbd5e1;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .cta-section .btn-accent {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
        }
        .cta-section .btn-accent:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(249, 115, 22, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0f1a;
            color: #94a3b8;
            padding: 56px 0 24px;
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #64748b;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #7dd3fc;
        }
        .footer-bottom {
            max-width: var(--max-w);
            margin: 40px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.78rem;
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: #7dd3fc;
        }
        .beian {
            color: #64748b;
            font-size: 0.75rem;
            line-height: 1.5;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-whitepaper .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-whitepaper h1 {
                font-size: 2.2rem;
            }
            .hero-whitepaper .hero-sub {
                margin: 0 auto 28px;
            }
            .hero-highlights {
                justify-content: center;
            }
            .hero-form {
                max-width: 480px;
                margin: 0 auto;
            }
            .whitepaper-card {
                max-width: 360px;
                margin: 0 auto;
            }
            .pain-point-grid,
            .testimonial-grid,
            .news-mini-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .result-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .process-steps::before {
                display: none;
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 16px;
                gap: 10px;
            }
            .brand-divider {
                display: none;
            }
            .nav-channels {
                order: 3;
                flex-basis: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 4px;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
            }
            .nav-channels a {
                padding: 6px 12px;
                font-size: 0.78rem;
                white-space: nowrap;
            }
            .nav-channels a.active::after {
                bottom: -8px;
            }
            .header-search input {
                width: 80px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .pain-point-grid,
            .testimonial-grid,
            .news-mini-grid,
            .solution-grid,
            .result-stats,
            .process-steps {
                grid-template-columns: 1fr;
            }
            .data-service-grid {
                grid-template-columns: 1fr;
            }
            .data-service-item {
                flex-direction: column;
                text-align: center;
            }
            .data-service-item .ds-img {
                width: 100%;
                height: 160px;
                margin: 0 auto;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-whitepaper {
                padding: 48px 0;
                min-height: auto;
            }
            .hero-whitepaper h1 {
                font-size: 1.7rem;
            }
            .hero-form .form-row {
                grid-template-columns: 1fr;
            }
            .whitepaper-card {
                transform: none;
            }
            .whitepaper-card:hover {
                transform: none;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 8px 12px;
            }
            .brand-logo {
                font-size: 1.3rem;
                letter-spacing: 1px;
            }
            .header-actions {
                gap: 6px;
            }
            .header-search {
                display: none;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-whitepaper h1 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .footer-inner,
            .footer-bottom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }