/* roulang page: index */
:root {
            --primary: #fe2c55;
            --primary-hover: #e02449;
            --primary-light: rgba(254, 44, 85, 0.08);
            --secondary: #25f4ee;
            --accent: #ff0050;
            --bg-base: #0c0f17;
            --bg-surface: #141923;
            --bg-card: #1c2230;
            --bg-glass: rgba(28, 34, 48, 0.85);
            --text-title: #ffffff;
            --text-body: #cbd5e1;
            --text-muted: #8492a6;
            --border-color: #273142;
            --border-hover: #3b4860;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
            --container-w: 1240px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-body);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

        /* 顶部导航：居中 Logo + 两侧分类 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(12, 15, 23, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 76px;
        }

        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-left {
            justify-content: flex-start;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-title);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 20px;
        }

        .logo-symbol {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(254, 44, 85, 0.4);
        }

        .logo-symbol svg {
            width: 22px;
            height: 22px;
            fill: #ffffff;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo-badge {
            font-size: 11px;
            font-weight: 600;
            background: rgba(254, 44, 85, 0.2);
            color: var(--primary);
            padding: 2px 6px;
            border-radius: 4px;
            border: 1px solid rgba(254, 44, 85, 0.3);
            text-transform: uppercase;
        }

        .btn-reserve {
            background: linear-gradient(135deg, var(--primary), #e02449);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-reserve:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
        }

        .mobile-toggle {
            display: none;
            background: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-title);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* 移动端菜单抽屉 */
        .mobile-drawer {
            display: none;
            background-color: var(--bg-surface);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 24px;
        }

        .mobile-nav-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        /* 布局公用样式 */
        .site-section {
            padding: 80px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            max-width: 820px;
            margin: 0 auto 50px;
            text-align: center;
        }

        .section-subtitle {
            display: inline-block;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            padding: 4px 12px;
            background: var(--primary-light);
            border-radius: 30px;
            border: 1px solid rgba(254, 44, 85, 0.15);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 1. Hero 蓝图：预约接入 + 时段选择视觉 */
        .hero-banner {
            position: relative;
            padding: 90px 0 80px;
            background-image: linear-gradient(180deg, rgba(12, 15, 23, 0.85) 0%, rgba(12, 15, 23, 0.95) 100%), url('/assets/images/b1b8799f2941d020.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(254, 44, 85, 0.15);
            border: 1px solid rgba(254, 44, 85, 0.3);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-lead {
            font-size: 17px;
            color: #d1d5db;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-features-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 36px;
        }

        .hf-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }

        .hf-icon {
            width: 20px;
            height: 20px;
            background: rgba(37, 244, 238, 0.15);
            color: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
        }

        /* Hero 预约卡 */
        .reservation-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .reservation-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20%;
            right: 20%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .card-header-bar {
            margin-bottom: 24px;
        }

        .card-header-bar h3 {
            font-size: 20px;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .card-header-bar p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .slot-selector {
            margin-bottom: 20px;
        }

        .slot-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .slot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }

        .slot-btn {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            color: var(--text-body);
            padding: 12px 8px;
            text-align: center;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }

        .slot-btn.active, .slot-btn:hover {
            border-color: var(--primary);
            background: rgba(254, 44, 85, 0.1);
            color: var(--text-title);
        }

        .slot-time {
            font-size: 13px;
            font-weight: 700;
            display: block;
        }

        .slot-status {
            font-size: 11px;
            color: var(--secondary);
            margin-top: 2px;
            display: block;
        }

        .form-row {
            margin-bottom: 16px;
        }

        .form-control-input {
            width: 100%;
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            color: var(--text-title);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control-input:focus {
            border-color: var(--primary);
            background: rgba(20, 25, 35, 0.9);
        }

        .btn-submit-hero {
            width: 100%;
            background: linear-gradient(135deg, var(--primary) 0%, #e02449 100%);
            color: #ffffff;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(254, 44, 85, 0.4);
            transition: var(--transition);
            margin-top: 8px;
        }

        .btn-submit-hero:hover {
            opacity: 0.95;
            transform: translateY(-2px);
        }

        /* 2. 指标看板板块 (数据驱动流) */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-tile {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-tile:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-sm);
        }

        .metric-num {
            font-size: 38px;
            font-weight: 900;
            color: var(--text-title);
            margin-bottom: 6px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #ffffff 40%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        .metric-hint {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 3. 安全主张板块 (蓝图) */
        .security-claim-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .claim-card-group {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .claim-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .claim-item:hover {
            border-color: var(--primary);
            background: rgba(28, 34, 48, 0.95);
        }

        .claim-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .claim-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .security-visual-wrap {
            position: relative;
        }

        .security-visual-img {
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

        .floating-stat-box {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            background: rgba(20, 25, 35, 0.9);
            backdrop-filter: blur(12px);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .stat-badge-pulse {
            width: 12px;
            height: 12px;
            background-color: var(--secondary);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--secondary);
        }

        /* 4. 检查项清单板块 (蓝图) */
        .checklist-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .check-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
        }

        .check-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .check-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .check-icon-box {
            width: 32px;
            height: 32px;
            background: rgba(254, 44, 85, 0.15);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .check-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }

        .check-list-items {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .check-item {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .check-item::before {
            content: "✓";
            color: var(--secondary);
            font-weight: bold;
        }

        /* 5. 合规徽章板块 (蓝图) */
        .compliance-banner {
            background: linear-gradient(135deg, rgba(20, 25, 35, 0.95), rgba(28, 34, 48, 0.95));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .badges-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .badge-box {
            background: var(--bg-surface);
            border: 1px dashed var(--border-color);
            padding: 24px 18px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: var(--transition);
        }

        .badge-box:hover {
            border-color: var(--secondary);
            background: rgba(37, 244, 238, 0.04);
        }

        .badge-symbol {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 20px;
            border: 1px solid rgba(37, 244, 238, 0.2);
        }

        .badge-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .badge-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 6. 服务矩阵与场景 (数据驱动流) */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .matrix-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .matrix-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

        .matrix-card:hover .matrix-img-wrap img {
            transform: scale(1.05);
        }

        .matrix-tag-pill {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(12, 15, 23, 0.85);
            backdrop-filter: blur(8px);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            border: 1px solid rgba(37, 244, 238, 0.3);
        }

        .matrix-body {
            padding: 24px;
        }

        .matrix-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .matrix-content {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .matrix-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-body);
        }

        /* 7. 边界说明 (蓝图) */
        .boundary-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .boundary-box {
            padding: 32px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }

        .boundary-in {
            background: rgba(37, 244, 238, 0.03);
            border-color: rgba(37, 244, 238, 0.2);
        }

        .boundary-out {
            background: rgba(254, 44, 85, 0.03);
            border-color: rgba(254, 44, 85, 0.2);
        }

        .boundary-head {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .boundary-in .boundary-head {
            color: var(--secondary);
        }

        .boundary-out .boundary-head {
            color: var(--primary);
        }

        .boundary-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .boundary-list li {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            position: relative;
            padding-left: 20px;
        }

        .boundary-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            font-size: 18px;
            line-height: 1;
        }

        .boundary-in li::before {
            color: var(--secondary);
        }

        .boundary-out li::before {
            color: var(--primary);
        }

        /* 8. 结果对比 (数据驱动流) */
        .comparison-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-card);
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        .comp-table th, .comp-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comp-table th {
            background: var(--bg-surface);
            color: var(--text-title);
            font-weight: 700;
        }

        .comp-highlight {
            color: var(--secondary);
            font-weight: 700;
            background: rgba(37, 244, 238, 0.04);
        }

        .comp-dim {
            color: var(--text-muted);
        }

        /* 9. 拼团与预约专区 (蓝图-拼团转化) */
        .group-booking-zone {
            background: linear-gradient(135deg, rgba(28, 34, 48, 0.9), rgba(20, 25, 35, 0.95));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .group-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .group-info h3 {
            font-size: 22px;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .group-info p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .group-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .group-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .group-title-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }

        .group-plan-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }

        .group-badge {
            font-size: 11px;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid rgba(254, 44, 85, 0.2);
            padding: 2px 8px;
            border-radius: 4px;
        }

        .group-progress-wrap {
            margin: 16px 0;
        }

        .progress-bar-bg {
            height: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .progress-bar-val {
            height: 100%;
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            border-radius: 3px;
        }

        .progress-text {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        .btn-group-action {
            width: 100%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-title);
            padding: 10px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-group-action:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #ffffff;
        }

        /* 10. 里程碑时间线 (数据驱动流) */
        .timeline-container {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
        }

        .timeline-container::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 20px;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-step {
            position: relative;
            padding-left: 54px;
            margin-bottom: 32px;
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 3px solid var(--secondary);
            box-shadow: 0 0 8px rgba(37, 244, 238, 0.5);
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .timeline-heading {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .timeline-p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 11. 资讯动态列表 (蓝图 & 数据流) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }

        .news-thumb {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }

        .news-info {
            padding: 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.45;
            margin-bottom: 12px;
        }

        .news-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .news-link-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 12. 信任背书与权威机构 (蓝图) */
        .endorse-panel {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            text-align: center;
        }

        .endorse-desc-lead {
            max-width: 720px;
            margin: 0 auto 30px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .endorse-logos {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            align-items: center;
        }

        .endorse-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 16px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .endorse-item:hover {
            color: var(--text-title);
            border-color: var(--primary);
        }

        /* 13. 快速解答与常见问题 FAQ (蓝图) */
        .faq-accordion-list {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item-card:hover {
            border-color: var(--border-hover);
        }

        .faq-question-btn {
            width: 100%;
            background: none;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-answer-content {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 4px;
            padding-top: 16px;
        }

        /* 14. 转化表单与收口行动区 (数据驱动流) */
        .conversion-final-box {
            background: linear-gradient(135deg, rgba(254, 44, 85, 0.08) 0%, rgba(37, 244, 238, 0.05) 100%);
            border: 1px solid rgba(254, 44, 85, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
        }

        .final-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .final-info h3 {
            font-size: 28px;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .final-info p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .final-meta-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .f-tag {
            font-size: 12px;
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 12px;
            border-radius: 4px;
            color: var(--text-muted);
        }

        .lead-submit-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .lead-input-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .btn-lead-submit {
            background: linear-gradient(135deg, var(--primary), #e02449);
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 18px rgba(254, 44, 85, 0.35);
        }

        .btn-lead-submit:hover {
            box-shadow: 0 8px 24px rgba(254, 44, 85, 0.5);
            transform: translateY(-2px);
        }

        /* 统一页脚 Footer */
        .site-footer {
            background-color: #080a10;
            border-top: 1px solid var(--border-color);
            padding: 70px 0 30px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            font-size: 20px;
            color: var(--text-title);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 15px;
            color: var(--text-title);
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
            }
            .checklist-grid, .matrix-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .badges-wrapper {
                grid-template-columns: repeat(2, 1fr);
            }
            .endorse-logos {
                grid-template-columns: repeat(3, 1fr);
            }
            .group-cards-row {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-left, .nav-right {
                display: none;
            }
            .nav-wrapper {
                display: flex;
                justify-content: space-between;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-drawer.active {
                display: block;
            }
            .hero-title {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .security-claim-grid, .boundary-layout, .final-grid {
                grid-template-columns: 1fr;
            }
            .lead-input-wrap {
                grid-template-columns: 1fr;
            }
            .metrics-board, .checklist-grid, .matrix-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .badges-wrapper {
                grid-template-columns: 1fr;
            }
            .endorse-logos {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .site-section {
                padding: 50px 0;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #fe2c55;
        --primary-hover: #e02449;
        --primary-light: rgba(254, 44, 85, 0.08);
        --secondary: #25f4ee;
        --accent: #ff0050;
        --bg-base: #0c0f17;
        --bg-surface: #141923;
        --bg-card: #1c2230;
        --bg-glass: rgba(28, 34, 48, 0.85);
        --text-title: #ffffff;
        --text-body: #cbd5e1;
        --text-muted: #8492a6;
        --border-color: #273142;
        --border-hover: #3b4860;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
        --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
        --container-w: 1240px;
        --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        background-color: var(--bg-base);
        color: var(--text-body);
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-md);
    }
    button, input, select, textarea {
        font-family: inherit;
        outline: none;
        border: none;
    }
    .container {
        width: 100%;
        max-width: var(--container-w);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* 顶部导航：居中 Logo + 两侧分类 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(12, 15, 23, 0.92);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-color);
        transition: var(--transition);
    }
    .nav-wrapper {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
        height: 76px;
    }
    .nav-left, .nav-right {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
    }
    .nav-left {
        justify-content: flex-start;
    }
    .nav-right {
        justify-content: flex-end;
    }
    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--text-muted);
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
        position: relative;
    }
    .nav-link:hover, .nav-link.active {
        color: var(--text-title);
        background-color: rgba(255, 255, 255, 0.05);
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: -14px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background-color: var(--primary);
        border-radius: 2px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 20px;
    }
    .logo-symbol {
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 16px rgba(254, 44, 85, 0.4);
    }
    .logo-symbol svg {
        width: 22px;
        height: 22px;
        fill: #ffffff;
    }
    .logo-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-title);
        letter-spacing: -0.5px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .logo-badge {
        font-size: 11px;
        font-weight: 600;
        background: rgba(254, 44, 85, 0.2);
        color: var(--primary);
        padding: 2px 6px;
        border-radius: 4px;
        border: 1px solid rgba(254, 44, 85, 0.3);
        text-transform: uppercase;
    }
    .btn-reserve {
        background: linear-gradient(135deg, var(--primary), #e02449);
        color: #ffffff;
        font-size: 14px;
        font-weight: 600;
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .btn-reserve:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
    }
    .mobile-toggle {
        display: none;
        background: none;
        cursor: pointer;
        padding: 8px;
    }
    .mobile-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--text-title);
        margin: 5px 0;
        transition: var(--transition);
    }
    .mobile-drawer {
        display: none;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px;
    }
    .mobile-nav-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    /* 通用版块样式 */
    .site-section {
        padding: 88px 0;
        position: relative;
    }
    .section-alt {
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .section-header {
        max-width: 800px;
        margin: 0 auto 54px;
        text-align: center;
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--secondary);
        background: rgba(37, 244, 238, 0.08);
        border: 1px solid rgba(37, 244, 238, 0.25);
        padding: 5px 14px;
        border-radius: 20px;
        margin-bottom: 16px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .section-title {
        font-size: 34px;
        font-weight: 800;
        color: var(--text-title);
        line-height: 1.3;
        margin-bottom: 16px;
    }
    .section-desc {
        font-size: 16px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* 板块 1: Hero 文档中心搜索与热门 chips */
    .hero-search-section {
        position: relative;
        padding: 96px 0 80px;
        background: radial-gradient(circle at 50% 20%, rgba(254, 44, 85, 0.12), transparent 70%),
                    radial-gradient(circle at 80% 80%, rgba(37, 244, 238, 0.08), transparent 60%),
                    var(--bg-base);
        border-bottom: 1px solid var(--border-color);
        overflow: hidden;
    }
    .hero-search-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/8703721907d3570b.jpg');
        background-size: cover;
        background-position: center;
        opacity: 0.08;
        pointer-events: none;
    }
    .hero-search-inner {
        position: relative;
        z-index: 2;
        max-width: 860px;
        margin: 0 auto;
        text-align: center;
    }
    .hero-h1 {
        font-size: 44px;
        font-weight: 800;
        color: var(--text-title);
        line-height: 1.25;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    .hero-h1 span {
        background: linear-gradient(135deg, #ffffff 30%, var(--secondary) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .hero-summary {
        font-size: 18px;
        color: var(--text-body);
        margin-bottom: 36px;
        line-height: 1.75;
    }
    .search-box-wrapper {
        position: relative;
        max-width: 660px;
        margin: 0 auto 24px;
    }
    .search-input-group {
        display: flex;
        align-items: center;
        background: var(--bg-card);
        border: 2px solid var(--border-color);
        border-radius: 50px;
        padding: 6px 8px 6px 24px;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        transition: var(--transition);
    }
    .search-input-group:focus-within {
        border-color: var(--primary);
        box-shadow: 0 12px 36px rgba(254, 44, 85, 0.25);
    }
    .search-input-group svg {
        width: 22px;
        height: 22px;
        fill: var(--text-muted);
        margin-right: 12px;
        flex-shrink: 0;
    }
    .search-input-group input {
        flex: 1;
        background: transparent;
        color: var(--text-title);
        font-size: 16px;
    }
    .search-input-group input::placeholder {
        color: #5d6b82;
    }
    .btn-search-action {
        background: linear-gradient(135deg, var(--primary), #e02449);
        color: #fff;
        padding: 12px 26px;
        border-radius: 40px;
        font-weight: 600;
        font-size: 15px;
        cursor: pointer;
        transition: var(--transition);
    }
    .btn-search-action:hover {
        opacity: 0.95;
        transform: scale(1.02);
    }
    .hot-chips-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .hot-chips-label {
        font-size: 13px;
        color: var(--text-muted);
    }
    .hot-chip {
        display: inline-block;
        padding: 6px 14px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        font-size: 13px;
        color: var(--text-body);
        transition: var(--transition);
    }
    .hot-chip:hover {
        color: var(--secondary);
        border-color: var(--secondary);
        background: rgba(37, 244, 238, 0.05);
    }

    /* 板块 2: 指标看板 */
    .metrics-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .metric-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 32px 24px;
        text-align: center;
        position: relative;
        overflow: hidden;
        transition: var(--transition);
    }
    .metric-card:hover {
        transform: translateY(-4px);
        border-color: var(--border-hover);
        box-shadow: var(--shadow-sm);
    }
    .metric-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        opacity: 0;
        transition: var(--transition);
    }
    .metric-card:hover::before {
        opacity: 1;
    }
    .metric-number {
        font-size: 42px;
        font-weight: 800;
        color: var(--text-title);
        margin-bottom: 8px;
        letter-spacing: -1px;
    }
    .metric-number em {
        font-style: normal;
        font-size: 20px;
        color: var(--secondary);
        margin-left: 2px;
    }
    .metric-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-title);
        margin-bottom: 8px;
    }
    .metric-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 板块 3: 服务矩阵 (非对称网格) */
    .matrix-layout {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 32px;
        align-items: center;
    }
    .matrix-showcase {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-color);
    }
    .matrix-showcase img {
        width: 100%;
        height: 480px;
        object-fit: cover;
    }
    .matrix-showcase-badge {
        position: absolute;
        bottom: 24px;
        left: 24px;
        right: 24px;
        background: rgba(12, 15, 23, 0.88);
        backdrop-filter: blur(12px);
        border: 1px solid var(--border-color);
        padding: 20px;
        border-radius: var(--radius-md);
    }
    .matrix-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .matrix-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
        transition: var(--transition);
    }
    .matrix-item:hover {
        border-color: var(--primary);
        transform: translateX(6px);
    }
    .matrix-item-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 10px;
    }
    .matrix-icon {
        width: 38px;
        height: 38px;
        border-radius: 8px;
        background: rgba(254, 44, 85, 0.15);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 16px;
    }
    .matrix-item-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-title);
    }
    .matrix-item-p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 板块 4: 结果对比 (表格/矩阵化卡片) */
    .compare-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
    .compare-col {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 36px 32px;
        border: 1px solid var(--border-color);
        position: relative;
    }
    .compare-col.highlight {
        border-color: rgba(37, 244, 238, 0.5);
        box-shadow: 0 10px 30px rgba(37, 244, 238, 0.08);
        background: linear-gradient(180deg, rgba(37, 244, 238, 0.03) 0%, var(--bg-card) 100%);
    }
    .compare-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        padding: 4px 10px;
        border-radius: 4px;
        margin-bottom: 16px;
    }
    .compare-col.dim .compare-tag {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-muted);
    }
    .compare-col.highlight .compare-tag {
        background: rgba(37, 244, 238, 0.15);
        color: var(--secondary);
    }
    .compare-head-title {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 24px;
    }
    .compare-ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .compare-li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.5;
    }
    .compare-li svg {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
        margin-top: 3px;
    }

    /* 板块 5: 技术演进里程碑 */
    .timeline-wrap {
        position: relative;
        max-width: 900px;
        margin: 0 auto;
    }
    .timeline-wrap::before {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        left: 20px;
        width: 2px;
        background: var(--border-color);
    }
    .timeline-node {
        position: relative;
        padding-left: 60px;
        margin-bottom: 40px;
    }
    .timeline-node:last-child {
        margin-bottom: 0;
    }
    .timeline-dot {
        position: absolute;
        left: 12px;
        top: 4px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--bg-base);
        border: 3px solid var(--primary);
        box-shadow: 0 0 10px rgba(254, 44, 85, 0.6);
    }
    .timeline-box {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
        transition: var(--transition);
    }
    .timeline-box:hover {
        border-color: var(--border-hover);
        transform: translateY(-2px);
    }
    .timeline-stage {
        font-size: 13px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 6px;
    }
    .timeline-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 8px;
    }
    .timeline-text {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 板块 6: 资讯列表 (图文网格) */
    .insights-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .insight-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }
    .insight-card:hover {
        transform: translateY(-5px);
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
    }
    .insight-cover {
        height: 190px;
        overflow: hidden;
        position: relative;
    }
    .insight-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
        transition: transform 0.4s ease;
    }
    .insight-card:hover .insight-cover img {
        transform: scale(1.05);
    }
    .insight-meta {
        position: absolute;
        top: 12px;
        right: 12px;
        background: rgba(12, 15, 23, 0.75);
        backdrop-filter: blur(8px);
        color: var(--secondary);
        font-size: 11px;
        font-weight: 600;
        padding: 4px 8px;
        border-radius: 4px;
        border: 1px solid rgba(37, 244, 238, 0.2);
    }
    .insight-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .insight-heading {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 10px;
        line-height: 1.45;
    }
    .insight-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.65;
        margin-bottom: 18px;
        flex: 1;
    }
    .insight-foot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: #7d8590;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 14px;
    }
    .insight-tag {
        color: var(--text-body);
        font-weight: 500;
    }

    /* 板块 7: 平台安全与架构保障 */
    .guarantee-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .guarantee-box {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 28px;
        border-left: 4px solid var(--secondary);
        transition: var(--transition);
    }
    .guarantee-box:hover {
        border-color: var(--border-hover);
        border-left-color: var(--primary);
        background: rgba(28, 34, 48, 0.95);
    }
    .guarantee-num {
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 1px;
        color: var(--secondary);
        margin-bottom: 8px;
    }
    .guarantee-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 10px;
    }
    .guarantee-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.65;
    }

    /* 板块 8: 快速解答与常见问题 */
    .faq-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .faq-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 26px 28px;
        transition: var(--transition);
    }
    .faq-card:hover {
        border-color: var(--border-hover);
    }
    .faq-q {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 12px;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }
    .faq-q span {
        color: var(--primary);
        font-weight: 800;
    }
    .faq-a {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* 板块 9: 转化预约表单与行动收口 */
    .cta-container {
        background: linear-gradient(135deg, rgba(254, 44, 85, 0.1) 0%, rgba(37, 244, 238, 0.08) 100%), var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 56px 48px;
        position: relative;
        overflow: hidden;
    }
    .cta-container::after {
        content: '';
        position: absolute;
        right: -60px;
        bottom: -60px;
        width: 240px;
        height: 240px;
        background: radial-gradient(circle, rgba(254, 44, 85, 0.25) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .cta-wrapper {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 48px;
        align-items: center;
        position: relative;
        z-index: 2;
    }
    .cta-info h2 {
        font-size: 32px;
        font-weight: 800;
        color: var(--text-title);
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .cta-info p {
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.7;
        margin-bottom: 24px;
    }
    .cta-pills {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .cta-pill {
        font-size: 12px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--border-color);
        padding: 6px 14px;
        border-radius: 20px;
        color: var(--text-muted);
    }
    .cta-form {
        background: var(--bg-surface);
        padding: 32px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
    }
    .cta-form-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 18px;
    }
    .form-group {
        margin-bottom: 18px;
    }
    .form-label {
        display: block;
        font-size: 13px;
        color: var(--text-body);
        margin-bottom: 8px;
        font-weight: 500;
    }
    .form-control {
        width: 100%;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 12px 14px;
        color: var(--text-title);
        font-size: 14px;
        transition: var(--transition);
    }
    .form-control:focus {
        border-color: var(--secondary);
    }
    .form-submit-btn {
        width: 100%;
        background: linear-gradient(135deg, var(--primary), #e02449);
        color: #ffffff;
        font-size: 15px;
        font-weight: 700;
        padding: 13px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 4px 14px rgba(254, 44, 85, 0.4);
    }
    .form-submit-btn:hover {
        opacity: 0.95;
        transform: translateY(-1px);
    }

    /* 页脚统一样式 */
    .site-footer {
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        padding: 64px 0 32px;
        font-size: 14px;
        color: var(--text-muted);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.2fr 1.4fr;
        gap: 40px;
        margin-bottom: 48px;
    }
    .footer-col-main .brand-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-title);
    }
    .footer-summary {
        font-size: 13px;
        line-height: 1.7;
        margin: 14px 0 16px;
        color: var(--text-body);
    }
    .footer-heading {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 18px;
    }
    .footer-link-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-link {
        color: var(--text-muted);
        transition: var(--transition);
        font-size: 13px;
    }
    .footer-link:hover {
        color: var(--primary);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 12px;
        color: #7d8590;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
        .metrics-grid { grid-template-columns: repeat(2, 1fr); }
        .insights-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .nav-left, .nav-right { display: none; }
        .mobile-toggle { display: block; }
        .nav-wrapper { display: flex; justify-content: space-between; }
        .hero-h1 { font-size: 32px; }
        .hero-summary { font-size: 15px; }
        .matrix-layout { grid-template-columns: 1fr; }
        .matrix-showcase img { height: 280px; }
        .compare-container { grid-template-columns: 1fr; }
        .timeline-wrap::before { left: 10px; }
        .timeline-node { padding-left: 36px; }
        .timeline-dot { left: 2px; }
        .insights-grid { grid-template-columns: 1fr; }
        .guarantee-grid { grid-template-columns: 1fr; }
        .faq-layout { grid-template-columns: 1fr; }
        .cta-wrapper { grid-template-columns: 1fr; }
        .cta-container { padding: 36px 20px; }
        .footer-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
      --primary: #fe2c55;
      --primary-hover: #e02449;
      --primary-light: rgba(254, 44, 85, 0.08);
      --secondary: #25f4ee;
      --accent: #ff0050;
      --bg-base: #0c0f17;
      --bg-surface: #141923;
      --bg-card: #1c2230;
      --bg-glass: rgba(28, 34, 48, 0.85);
      --text-title: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #8492a6;
      --border-color: #273142;
      --border-hover: #3b4860;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
      --container-w: 1240px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-md);
    }
    button, input, select, textarea {
      font-family: inherit;
      outline: none;
      border: none;
    }
    .container {
      width: 100%;
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航：居中 Logo + 两侧分类 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(12, 15, 23, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-wrapper {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      height: 76px;
    }
    .nav-left, .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-left {
      justify-content: flex-start;
    }
    .nav-right {
      justify-content: flex-end;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--text-title);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 20px;
    }
    .logo-symbol {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 16px rgba(254, 44, 85, 0.4);
    }
    .logo-symbol svg {
      width: 22px;
      height: 22px;
      fill: #ffffff;
    }
    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .logo-badge {
      font-size: 11px;
      font-weight: 600;
      background: rgba(254, 44, 85, 0.2);
      color: var(--primary);
      padding: 2px 6px;
      border-radius: 4px;
      border: 1px solid rgba(254, 44, 85, 0.3);
      text-transform: uppercase;
    }
    .btn-reserve {
      background: linear-gradient(135deg, var(--primary), #e02449);
      color: #ffffff;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-reserve:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
    }
    .mobile-toggle {
      display: none;
      background: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-title);
      margin: 5px 0;
      transition: var(--transition);
    }
    .mobile-drawer {
      display: none;
      background-color: var(--bg-surface);
      border-bottom: 1px solid var(--border-color);
      padding: 20px 24px;
    }
    .mobile-drawer.open {
      display: block;
    }
    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .mobile-nav-list .nav-link {
      font-size: 16px;
      display: block;
      padding: 10px 0;
    }

    /* 板块通用 */
    .site-section {
      padding: 84px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 52px;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      background: rgba(37, 244, 238, 0.1);
      border: 1px solid rgba(37, 244, 238, 0.25);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Bento Hero 首屏定制 */
    .hero-bento-section {
      padding: 48px 0 72px;
      position: relative;
      background: radial-gradient(circle at 50% 20%, rgba(254, 44, 85, 0.12) 0%, transparent 65%),
                  radial-gradient(circle at 85% 60%, rgba(37, 244, 238, 0.08) 0%, transparent 50%);
    }
    .bento-container {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      grid-template-rows: auto auto;
      gap: 24px;
    }
    .bento-main {
      grid-column: 1 / 2;
      grid-row: 1 / 3;
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .bento-main::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(254, 44, 85, 0.18) 0%, transparent 70%);
      pointer-events: none;
    }
    .bento-main h1 {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .bento-main p {
      font-size: 16px;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-media-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      position: relative;
      margin-top: 20px;
    }
    .hero-media-wrap img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .hero-media-wrap:hover img {
      transform: scale(1.03);
    }
    .hero-img-badge {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(12, 15, 23, 0.85);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 13px;
      color: var(--text-title);
      backdrop-filter: blur(8px);
    }

    .bento-card-sub1, .bento-card-sub2 {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .bento-card-sub1:hover, .bento-card-sub2:hover {
      border-color: var(--border-hover);
      transform: translateY(-3px);
    }
    .bento-sub-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .bento-sub-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(254, 44, 85, 0.15);
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .bento-card-sub2 .bento-sub-icon {
      background: rgba(37, 244, 238, 0.15);
      color: var(--secondary);
    }
    .bento-sub-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .bento-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .sub-pill {
      font-size: 12px;
      padding: 5px 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-body);
    }

    /* Bento 底部条 (CTA Bar) */
    .bento-cta-bar {
      margin-top: 24px;
      background: linear-gradient(90deg, rgba(28, 34, 48, 0.95), rgba(20, 25, 35, 0.95));
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .cta-bar-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .cta-pulse-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: var(--secondary);
      box-shadow: 0 0 10px var(--secondary);
    }
    .cta-bar-text {
      font-size: 15px;
      color: var(--text-title);
      font-weight: 500;
    }
    .cta-bar-sub {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 板块2：指标看板 (Data Stream Dashboard) */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 28px 24px;
      border-radius: var(--radius-md);
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }
    .metric-card:hover {
      border-color: rgba(254, 44, 85, 0.4);
      transform: translateY(-3px);
    }
    .metric-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--primary), var(--secondary));
    }
    .metric-val {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-title);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      margin-bottom: 6px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .metric-val span {
      font-size: 18px;
      color: var(--secondary);
    }
    .metric-label {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-body);
      margin-bottom: 8px;
    }
    .metric-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块3：服务矩阵 (Service Matrix) */
    .matrix-layout {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .matrix-box:hover {
      border-color: var(--border-hover);
      box-shadow: var(--shadow-lg);
    }
    .matrix-icon-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(254, 44, 85, 0.12);
      color: var(--primary);
      margin-bottom: 22px;
      font-size: 20px;
    }
    .matrix-box:nth-child(2) .matrix-icon-badge {
      background: rgba(37, 244, 238, 0.12);
      color: var(--secondary);
    }
    .matrix-box:nth-child(3) .matrix-icon-badge {
      background: rgba(255, 170, 0, 0.12);
      color: #ffaa00;
    }
    .matrix-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 12px;
    }
    .matrix-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .matrix-item-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: auto;
      border-top: 1px dashed var(--border-color);
      padding-top: 20px;
    }
    .matrix-item-list li {
      font-size: 13px;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-item-list li::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--primary);
    }

    /* 板块4：结果对比 (Result Comparison Table/Cards) */
    .compare-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      max-width: 1040px;
      margin: 0 auto;
    }
    .compare-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .compare-card.pro-card {
      border-color: rgba(254, 44, 85, 0.4);
      background: linear-gradient(180deg, rgba(28, 34, 48, 1) 0%, rgba(20, 25, 35, 1) 100%);
      box-shadow: 0 12px 30px rgba(254, 44, 85, 0.12);
    }
    .compare-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .tag-old {
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-muted);
    }
    .tag-pro {
      background: rgba(254, 44, 85, 0.2);
      color: var(--primary);
    }
    .compare-head {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .compare-item {
      font-size: 14px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      line-height: 1.6;
    }
    .compare-icon-bad {
      color: #ff5252;
      font-weight: 700;
      font-size: 16px;
    }
    .compare-icon-good {
      color: var(--secondary);
      font-weight: 700;
      font-size: 16px;
    }

    /* 板块5：演进里程碑 (Timeline Milestones) */
    .timeline-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px 0;
    }
    .timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 2px;
      background: var(--border-color);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 40px;
      width: 50%;
      padding-right: 40px;
    }
    .timeline-node:nth-child(even) {
      margin-left: 50%;
      padding-right: 0;
      padding-left: 40px;
    }
    .timeline-dot {
      position: absolute;
      top: 0;
      right: -8px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--bg-base);
      border: 3px solid var(--primary);
      z-index: 2;
    }
    .timeline-node:nth-child(even) .timeline-dot {
      right: auto;
      left: -8px;
      border-color: var(--secondary);
    }
    .timeline-content-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .timeline-date {
      font-size: 12px;
      color: var(--secondary);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .timeline-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .timeline-body {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块6：资讯与专题卡片 (Curated Feed List) */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .article-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .article-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-hover);
      box-shadow: var(--shadow-lg);
    }
    .article-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .article-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      transition: transform 0.4s ease;
    }
    .article-card:hover .article-thumb img {
      transform: scale(1.05);
    }
    .article-category {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(12, 15, 23, 0.85);
      backdrop-filter: blur(6px);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      color: var(--secondary);
      font-weight: 600;
      border: 1px solid rgba(37, 244, 238, 0.3);
    }
    .article-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .article-heading {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .article-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .article-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块7：平台保障与架构防护 (Assurance Panels) */
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .assurance-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      transition: var(--transition);
    }
    .assurance-item:hover {
      border-color: var(--secondary);
      background: var(--bg-card);
    }
    .assurance-shield-icon {
      font-size: 26px;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .assurance-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .assurance-detail {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块8：认知常见问答 (FAQ) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      transition: var(--transition);
    }
    .faq-item-box:hover {
      border-color: var(--border-hover);
    }
    .faq-question {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .faq-q-mark {
      color: var(--primary);
      font-weight: 800;
    }
    .faq-answer {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      padding-left: 24px;
    }

    /* 板块9：优先通道转化表单 (Conversion Form) */
    .conversion-box {
      background: linear-gradient(135deg, rgba(28, 34, 48, 0.95) 0%, rgba(18, 22, 31, 0.95) 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      max-width: 960px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }
    .form-info h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .form-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .benefit-check {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: var(--text-body);
    }
    .benefit-check li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .benefit-check li::before {
      content: '✓';
      color: var(--secondary);
      font-weight: bold;
    }
    .form-fields {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .input-field {
      width: 100%;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
      font-size: 14px;
      color: var(--text-title);
      transition: var(--transition);
    }
    .input-field:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(254, 44, 85, 0.2);
    }
    .submit-pro-btn {
      background: linear-gradient(135deg, var(--primary) 0%, #e02449 100%);
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      padding: 15px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(254, 44, 85, 0.4);
      transition: var(--transition);
      text-align: center;
    }
    .submit-pro-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(254, 44, 85, 0.55);
    }
    .form-privacy-note {
      font-size: 11px;
      color: var(--text-muted);
      text-align: center;
      line-height: 1.5;
    }

    /* 页脚公共样式 */
    .site-footer {
      background-color: #080b11;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col-main .brand-text {
      font-weight: 800;
      color: var(--text-title);
    }
    .footer-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      max-width: 340px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 20px;
    }
    .footer-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-link {
      font-size: 13px;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .footer-link:hover {
      color: var(--secondary);
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-layout {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-left, .nav-right {
        display: none;
      }
      .mobile-toggle {
        display: block;
        margin-left: auto;
      }
      .nav-wrapper {
        display: flex;
        justify-content: space-between;
      }
      .bento-container {
        grid-template-columns: 1fr;
      }
      .bento-main {
        grid-column: 1 / -1;
        grid-row: auto;
        padding: 28px 20px;
      }
      .bento-main h1 {
        font-size: 28px;
      }
      .compare-wrapper {
        grid-template-columns: 1fr;
      }
      .timeline-container::before {
        left: 20px;
      }
      .timeline-node {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
      }
      .timeline-node:nth-child(even) {
        margin-left: 0;
        padding-left: 50px;
      }
      .timeline-dot, .timeline-node:nth-child(even) .timeline-dot {
        left: 12px;
        right: auto;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .conversion-box {
        grid-template-columns: 1fr;
        padding: 32px 20px;
      }
      .bento-cta-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }

/* roulang page: category3 */
:root {
      --primary: #fe2c55;
      --primary-hover: #e02449;
      --primary-light: rgba(254, 44, 85, 0.08);
      --secondary: #25f4ee;
      --accent: #ff0050;
      --bg-base: #0c0f17;
      --bg-surface: #141923;
      --bg-card: #1c2230;
      --bg-glass: rgba(28, 34, 48, 0.85);
      --text-title: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #8492a6;
      --border-color: #273142;
      --border-hover: #3b4860;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
      --container-w: 1240px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-md);
    }
    button, input, select, textarea {
      font-family: inherit;
      outline: none;
      border: none;
    }
    .container {
      width: 100%;
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航：居中 Logo + 两侧分类 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(12, 15, 23, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-wrapper {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      height: 76px;
    }
    .nav-left, .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-left {
      justify-content: flex-start;
    }
    .nav-right {
      justify-content: flex-end;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--text-title);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 20px;
    }
    .logo-symbol {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 16px rgba(254, 44, 85, 0.4);
    }
    .logo-symbol svg {
      width: 22px;
      height: 22px;
      fill: #ffffff;
    }
    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .logo-badge {
      font-size: 11px;
      font-weight: 600;
      background: rgba(254, 44, 85, 0.2);
      color: var(--primary);
      padding: 2px 6px;
      border-radius: 4px;
      border: 1px solid rgba(254, 44, 85, 0.3);
      text-transform: uppercase;
    }
    .btn-reserve {
      background: linear-gradient(135deg, var(--primary), #e02449);
      color: #ffffff;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-reserve:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
    }
    .mobile-toggle {
      display: none;
      background: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-title);
      margin: 5px 0;
      transition: var(--transition);
    }
    .mobile-drawer {
      display: none;
      background-color: var(--bg-surface);
      border-bottom: 1px solid var(--border-color);
      padding: 20px 24px;
    }
    .mobile-drawer.active {
      display: block;
    }
    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .mobile-nav-list a {
      font-size: 16px;
      color: var(--text-body);
      display: block;
      padding: 8px 0;
    }
    .mobile-nav-list a.active {
      color: var(--primary);
      font-weight: bold;
    }

    /* 视觉基石样式与专属版式 */
    .site-section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 50px;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1.5px;
      color: var(--secondary);
      background: rgba(37, 244, 238, 0.1);
      padding: 6px 14px;
      border-radius: 20px;
      margin-bottom: 16px;
      border: 1px solid rgba(37, 244, 238, 0.25);
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* HERO 帮助中心/知识安全文档风格 */
    .help-hero-section {
      padding: 90px 0 60px;
      background: radial-gradient(circle at 50% 20%, rgba(254, 44, 85, 0.12) 0%, transparent 65%), var(--bg-base);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .hero-docs-box {
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-docs-title {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-title);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
      line-height: 1.25;
    }
    .hero-docs-summary {
      font-size: 18px;
      color: var(--text-body);
      margin-bottom: 34px;
      line-height: 1.75;
    }
    .doc-search-wrapper {
      position: relative;
      max-width: 660px;
      margin: 0 auto 28px;
    }
    .doc-search-input {
      width: 100%;
      height: 56px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 28px;
      padding: 0 60px 0 26px;
      font-size: 16px;
      color: var(--text-title);
      box-shadow: 0 8px 24px rgba(0,0,0,0.3);
      transition: var(--transition);
    }
    .doc-search-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(254, 44, 85, 0.2);
    }
    .doc-search-btn {
      position: absolute;
      right: 8px;
      top: 8px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
    }
    .doc-search-btn:hover {
      background: var(--primary-hover);
    }
    .doc-search-btn svg {
      width: 18px;
      height: 18px;
      fill: currentColor;
    }
    .doc-chips-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      align-items: center;
    }
    .chips-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .doc-chip {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      color: var(--text-body);
      font-size: 13px;
      padding: 5px 14px;
      border-radius: 16px;
      cursor: pointer;
      transition: var(--transition);
    }
    .doc-chip:hover {
      background: rgba(37, 244, 238, 0.15);
      color: var(--secondary);
      border-color: rgba(37, 244, 238, 0.3);
    }

    /* 板块1：安全指标看板 */
    .metric-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }
    .metric-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }
    .metric-val {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.1;
      margin-bottom: 8px;
      font-variant-numeric: tabular-nums;
    }
    .metric-val span {
      font-size: 20px;
      color: var(--primary);
    }
    .metric-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 6px;
    }
    .metric-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块2：服务防护矩阵（异步双栏卡片） */
    .matrix-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .matrix-card:hover {
      border-color: var(--secondary);
      box-shadow: var(--shadow-lg);
    }
    .matrix-card-top {
      margin-bottom: 24px;
    }
    .matrix-tag {
      font-size: 12px;
      padding: 4px 10px;
      background: rgba(254, 44, 85, 0.12);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .matrix-heading {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 14px;
    }
    .matrix-text {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .matrix-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .matrix-checklist li {
      font-size: 14px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-checklist li::before {
      content: '✔';
      color: var(--secondary);
      font-size: 12px;
    }

    /* 板块3：结果对比（传统算法推荐 vs 大人版自主边界） */
    .compare-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 22px 28px;
      border-bottom: 1px solid var(--border-color);
      font-size: 15px;
    }
    .compare-table th {
      background: rgba(255, 255, 255, 0.02);
      color: var(--text-title);
      font-weight: 700;
      font-size: 16px;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .col-dim {
      width: 24%;
      color: var(--text-title);
      font-weight: 600;
    }
    .col-standard {
      width: 38%;
      color: var(--text-muted);
      background: rgba(0, 0, 0, 0.15);
    }
    .col-pro {
      width: 38%;
      color: var(--text-body);
      background: rgba(254, 44, 85, 0.04);
      font-weight: 500;
    }
    .col-pro-active {
      color: var(--secondary);
      font-weight: 600;
    }

    /* 板块4：安全里程碑与合规演进 */
    .timeline-stream {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding-left: 36px;
      border-left: 2px solid var(--border-color);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 40px;
    }
    .timeline-node:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -44px;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 10px var(--primary);
      border: 3px solid var(--bg-base);
    }
    .timeline-date {
      font-size: 13px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 6px;
      letter-spacing: 0.5px;
    }
    .timeline-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .timeline-body {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块5：安全架构图文与资讯列表 */
    .info-layout-split {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .info-article-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .article-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }
    .article-item:hover {
      border-color: var(--border-hover);
      transform: translateX(4px);
    }
    .article-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: flex;
      gap: 12px;
    }
    .article-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .article-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .info-graphic-box {
      position: relative;
    }
    .info-graphic-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }
    .graphic-badge-float {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(12, 15, 23, 0.88);
      backdrop-filter: blur(10px);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }
    .graphic-badge-float h5 {
      color: var(--text-title);
      font-size: 14px;
      margin-bottom: 4px;
    }
    .graphic-badge-float p {
      color: var(--text-muted);
      font-size: 12px;
      line-height: 1.5;
    }

    /* 板块6：平台合规与物理阻断四重保障 */
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .assurance-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
    }
    .assurance-box:hover {
      border-color: var(--border-hover);
      background: rgba(28, 34, 48, 0.95);
    }
    .assurance-icon {
      width: 44px;
      height: 44px;
      background: rgba(254, 44, 85, 0.1);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .assurance-icon svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }
    .assurance-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .assurance-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块7：边界防御问答 (FAQ) */
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      transition: var(--transition);
    }
    .faq-card:hover {
      border-color: var(--border-hover);
    }
    .faq-card-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-card-title::before {
      content: 'Q';
      color: var(--primary);
      font-weight: 800;
      font-size: 18px;
    }
    .faq-card-answer {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
      padding-left: 24px;
    }

    /* 板块8：专属防护接入预约与表单 */
    .reserve-block {
      background: linear-gradient(135deg, rgba(20, 25, 35, 0.9), rgba(28, 34, 48, 0.95));
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      position: relative;
      overflow: hidden;
    }
    .reserve-block::before {
      content: '';
      position: absolute;
      top: -50px;
      right: -50px;
      width: 250px;
      height: 250px;
      background: radial-gradient(circle, rgba(254, 44, 85, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .reserve-inner-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .reserve-info-col h3 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .reserve-info-col p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .reserve-tips-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    font-size: 13px;
      color: var(--text-muted);
    }
    .reserve-tips-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .reserve-tips-list li::before {
      content: '●';
      color: var(--secondary);
      font-size: 10px;
    }
    .reserve-form-col {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
    }
    .form-group-item {
      margin-bottom: 18px;
    }
    .form-group-item label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .form-control-input {
      width: 100%;
      height: 46px;
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 16px;
      font-size: 14px;
      color: var(--text-title);
      transition: var(--transition);
    }
    .form-control-input:focus {
      border-color: var(--secondary);
      box-shadow: 0 0 0 2px rgba(37, 244, 238, 0.2);
    }
    .form-submit-btn {
      width: 100%;
      height: 48px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
      transition: var(--transition);
      margin-top: 6px;
    }
    .form-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(254, 44, 85, 0.5);
    }
    .form-protocol-hint {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 14px;
      text-align: center;
      line-height: 1.5;
    }

    /* 全局统一页脚样式 */
    .site-footer {
      background-color: #080a10;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px;
      position: relative;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col-main .brand-text {
      color: var(--text-title);
      font-weight: 800;
      font-size: 22px;
      margin-bottom: 14px;
      display: inline-block;
    }
    .footer-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      max-width: 380px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 18px;
    }
    .footer-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link {
      font-size: 13px;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .footer-link:hover {
      color: var(--text-title);
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748b;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .metric-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .reserve-inner-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
    }
    @media (max-width: 768px) {
      .nav-left, .nav-right {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-wrapper {
        display: flex;
        justify-content: space-between;
      }
      .matrix-layout {
        grid-template-columns: 1fr;
      }
      .info-layout-split {
        grid-template-columns: 1fr;
      }
      .assurance-grid {
        grid-template-columns: 1fr;
      }
      .hero-docs-title {
        font-size: 30px;
      }
      .compare-table {
        display: block;
        overflow-x: auto;
      }
      .site-section {
        padding: 56px 0;
      }
    }
    @media (max-width: 520px) {
      .metric-grid-4 {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .hero-docs-summary {
        font-size: 15px;
      }
      .reserve-block {
        padding: 36px 20px;
      }
      .reserve-form-col {
        padding: 24px 16px;
      }
    }

/* roulang page: category4 */
:root {
      --primary: #fe2c55;
      --primary-hover: #e02449;
      --primary-light: rgba(254, 44, 85, 0.08);
      --secondary: #25f4ee;
      --accent: #ff0050;
      --bg-base: #0c0f17;
      --bg-surface: #141923;
      --bg-card: #1c2230;
      --bg-glass: rgba(28, 34, 48, 0.85);
      --text-title: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #8492a6;
      --border-color: #273142;
      --border-hover: #3b4860;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.45);
      --container-w: 1240px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-md);
    }
    button, input, select, textarea {
      font-family: inherit;
      outline: none;
      border: none;
    }
    .container {
      width: 100%;
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航：居中 Logo + 两侧分类 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(12, 15, 23, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .nav-wrapper {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      height: 76px;
    }
    .nav-left, .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-left {
      justify-content: flex-start;
    }
    .nav-right {
      justify-content: flex-end;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--text-title);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -14px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 20px;
    }
    .logo-symbol {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 16px rgba(254, 44, 85, 0.4);
    }
    .logo-symbol svg {
      width: 22px;
      height: 22px;
      fill: #ffffff;
    }
    .logo-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .logo-badge {
      font-size: 11px;
      font-weight: 600;
      background: rgba(254, 44, 85, 0.2);
      color: var(--primary);
      padding: 2px 6px;
      border-radius: 4px;
      border: 1px solid rgba(254, 44, 85, 0.3);
      text-transform: uppercase;
    }
    .btn-reserve {
      background: linear-gradient(135deg, var(--primary), #e02449);
      color: #ffffff;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(254, 44, 85, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-reserve:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(254, 44, 85, 0.5);
    }
    .mobile-toggle {
      display: none;
      background: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-title);
      margin: 5px 0;
      transition: var(--transition);
    }
    .mobile-drawer {
      display: none;
      background-color: var(--bg-surface);
      border-bottom: 1px solid var(--border-color);
      padding: 20px 24px;
    }
    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    /* 布局公用样式 */
    .site-section {
      padding: 76px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      max-width: 840px;
      margin: 0 auto 50px;
      text-align: center;
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      background: rgba(37, 244, 238, 0.08);
      border: 1px solid rgba(37, 244, 238, 0.25);
      padding: 6px 14px;
      border-radius: 99px;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 14px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 杂志分栏首屏 (Hero) */
    .hero-magazine {
      padding: 60px 0 80px;
      background: radial-gradient(circle at 80% 20%, rgba(254, 44, 85, 0.12) 0%, transparent 50%),
                  radial-gradient(circle at 10% 80%, rgba(37, 244, 238, 0.08) 0%, transparent 40%),
                  var(--bg-base);
      border-bottom: 1px solid var(--border-color);
    }
    .hero-split-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-main-col {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }
    .hero-headline {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-title);
      line-height: 1.22;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-headline .text-gradient {
      background: linear-gradient(120deg, #ffffff 30%, var(--primary) 70%, var(--secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 17px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-action-group {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 36px;
    }
    .btn-main-apply {
      background: linear-gradient(135deg, var(--primary) 0%, #d81640 100%);
      color: #ffffff;
      padding: 14px 30px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      box-shadow: 0 8px 24px rgba(254, 44, 85, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-main-apply:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(254, 44, 85, 0.5);
    }
    .btn-outline-audit {
      border: 1px solid var(--border-hover);
      background-color: rgba(255, 255, 255, 0.03);
      color: var(--text-title);
      padding: 13px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-outline-audit:hover {
      background-color: rgba(255, 255, 255, 0.08);
      border-color: var(--secondary);
    }
    .hero-trust-bar {
      display: flex;
      align-items: center;
      gap: 24px;
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      width: 100%;
    }
    .trust-stat-item {
      display: flex;
      flex-direction: column;
    }
    .trust-stat-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-title);
    }
    .trust-stat-num span {
      color: var(--primary);
    }
    .trust-stat-lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 右侧杂志精选卡片 */
    .hero-magazine-card {
      background: var(--bg-card);
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .hero-magazine-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }
    .magazine-card-thumb {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 20px;
    }
    .magazine-card-thumb img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .hero-magazine-card:hover .magazine-card-thumb img {
      transform: scale(1.03);
    }
    .magazine-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(12, 15, 23, 0.85);
      backdrop-filter: blur(8px);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 600;
      color: var(--secondary);
      border: 1px solid rgba(37, 244, 238, 0.3);
    }
    .magazine-card-meta {
      font-size: 13px;
      color: var(--secondary);
      font-weight: 700;
      margin-bottom: 8px;
      text-transform: uppercase;
    }
    .magazine-card-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .magazine-card-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .magazine-footer-info {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 板块 1：核心指标看板 (Data Matrix) */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: left;
      transition: var(--transition);
      position: relative;
    }
    .metric-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }
    .metric-val {
      font-size: 36px;
      font-weight: 900;
      color: var(--text-title);
      margin-bottom: 8px;
      font-family: monospace, sans-serif;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .metric-val .unit {
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
    }
    .metric-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .metric-caption {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 2：签约服务矩阵 (Service Matrix) */
    .service-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .service-col {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .service-col:hover {
      border-color: var(--border-hover);
      background: #1f2737;
    }
    .service-header-box {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
      margin-bottom: 22px;
    }
    .service-badge {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .service-h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .service-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .service-perk-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 26px;
      flex-grow: 1;
    }
    .service-perk-list li {
      font-size: 14px;
      color: var(--text-body);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .service-perk-list li svg {
      width: 16px;
      height: 16px;
      fill: var(--secondary);
      flex-shrink: 0;
      margin-top: 3px;
    }
    .service-action-slot {
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
    }
    .service-action-slot span {
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
    }

    /* 板块 3：变现成效与生态对比 (Result Benchmark) */
    .benchmark-table-wrapper {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .benchmark-table th, .benchmark-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .benchmark-table th {
      background-color: rgba(255, 255, 255, 0.02);
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
    }
    .benchmark-table td {
      font-size: 14px;
      color: var(--text-body);
    }
    .benchmark-table tr:last-child td {
      border-bottom: none;
    }
    .benchmark-table .col-highlight {
      background-color: rgba(254, 44, 85, 0.04);
      font-weight: 700;
      color: #ffffff;
      border-left: 1px solid rgba(254, 44, 85, 0.2);
      border-right: 1px solid rgba(254, 44, 85, 0.2);
    }
    .benchmark-table th.col-highlight {
      color: var(--primary);
    }
    .tag-pro-feature {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--secondary);
      font-size: 13px;
    }

    /* 板块 4：联盟发展里程碑 (Milestones) */
    .milestone-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .milestone-node {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
    }
    .milestone-phase {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .milestone-h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .milestone-p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 5：深度资讯列表 (Editorial Feed) */
    .article-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .editorial-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .editorial-item:hover {
      border-color: var(--secondary);
      transform: translateY(-4px);
    }
    .editorial-thumb-box {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .editorial-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      transition: transform 0.4s ease;
    }
    .editorial-item:hover .editorial-thumb-box img {
      transform: scale(1.05);
    }
    .editorial-content-box {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .editorial-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .editorial-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .editorial-brief {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .editorial-meta-row {
      font-size: 12px;
      color: #64748b;
      display: flex;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 12px;
    }

    /* 板块 6：创作者平台权益与安全保障 (Security & Perks) */
    .safeguard-dual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .safeguard-panel {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .safeguard-feature {
      display: flex;
      gap: 16px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius-md);
    }
    .safeguard-icon {
      width: 42px;
      height: 42px;
      background: rgba(37, 244, 238, 0.1);
      border: 1px solid rgba(37, 244, 238, 0.2);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .safeguard-icon svg {
      width: 22px;
      height: 22px;
      fill: var(--secondary);
    }
    .safeguard-text h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 6px;
    }
    .safeguard-text p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }
    .safeguard-media-wrap {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .safeguard-media-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 板块 7：常见入驻疑问与解答 (FAQ) */
    .faq-layout {
      max-width: 920px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      transition: var(--transition);
    }
    .faq-card:hover {
      border-color: var(--border-hover);
    }
    .faq-question {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      flex-shrink: 0;
    }
    .faq-answer {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      padding-left: 18px;
    }

    /* 板块 8：签约入驻与通道预约表单 (Application Section) */
    .form-box-wrapper {
      max-width: 860px;
      margin: 0 auto;
      background: var(--bg-card);
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-lg);
      padding: 44px 40px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .form-box-wrapper::after {
      content: '';
      position: absolute;
      top: -1px;
      left: 15%;
      right: 15%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    }
    .apply-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .form-group-full {
      grid-column: span 2;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      background: #11151f;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 13px 16px;
      font-size: 14px;
      color: var(--text-title);
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--secondary);
      background: #141a27;
      box-shadow: 0 0 0 3px rgba(37, 244, 238, 0.15);
    }
    .form-submit-row {
      grid-column: span 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      margin-top: 10px;
    }
    .btn-submit-apply {
      background: linear-gradient(135deg, var(--primary) 0%, #d81640 100%);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      padding: 15px 44px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(254, 44, 85, 0.4);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-submit-apply:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 26px rgba(254, 44, 85, 0.6);
    }
    .form-privacy-note {
      font-size: 12px;
      color: var(--text-muted);
      text-align: center;
    }

    /* 站点统一 Footer 样式扩展 */
    .site-footer {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col-main .brand-text {
      font-weight: 800;
      color: var(--text-title);
    }
    .footer-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 16px;
    }
    .footer-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-link:hover {
      color: var(--primary);
    }
    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748b;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .metric-grid, .milestone-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-split-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .safeguard-dual-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-left, .nav-right {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-wrapper {
        display: flex;
        justify-content: space-between;
      }
      .mobile-drawer.active {
        display: block;
      }
      .service-matrix-grid, .article-cards-grid {
        grid-template-columns: 1fr;
      }
      .hero-headline {
        font-size: 32px;
      }
      .apply-form {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .form-submit-row {
        grid-column: span 1;
      }
      .form-box-wrapper {
        padding: 28px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }