/* roulang page: index */
:root {
            --bg-deep: #080B14;
            --bg-night: #0D1527;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-card-hover: rgba(26, 38, 66, 0.85);
            --primary-cyan: #00D2FF;
            --primary-mint: #00FFA3;
            --accent-purple: #7B2CBF;
            --accent-gold: #FFD166;
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --text-sub: #64748B;
            --border-glow: rgba(0, 210, 255, 0.25);
            --border-soft: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-neon: 0 0 25px rgba(0, 210, 255, 0.35);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        /* 顶部通栏提示与导航 */
        .top-notice-bar {
            background: linear-gradient(90deg, #091026, #121f3d, #091026);
            border-bottom: 1px solid var(--border-soft);
            padding: 6px 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-notice-bar .status-indicator {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--primary-mint);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--primary-mint);
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 11, 20, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-main);
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary-cyan), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.4);
            font-size: 1rem;
            color: #fff;
            font-weight: 900;
        }

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

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

        .nav-item a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
        }

        .nav-item a:hover,
        .nav-item a.active {
            color: var(--primary-cyan);
        }

        .nav-item a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-cyan), var(--primary-mint));
            border-radius: 2px;
        }

        .nav-cta {
            background: linear-gradient(135deg, #00D2FF 0%, #0088ff 100%);
            color: #050b18 !important;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 9px 22px;
            border-radius: 24px;
            box-shadow: 0 0 16px rgba(0, 210, 255, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
            color: #000 !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 布局容器与通用 Section */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 96px 0;
            position: relative;
            border-bottom: 1px solid var(--border-soft);
        }

        .section-header {
            text-align: center;
            max-width: 860px;
            margin: 0 auto 56px auto;
        }

        .section-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(0, 210, 255, 0.1);
            border: 1px solid rgba(0, 210, 255, 0.25);
            color: var(--primary-cyan);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .section-title span {
            background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-mint) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 1. Hero 看板区 */
        .hero-section {
            padding: 110px 0 90px;
            background: radial-gradient(circle at 50% 20%, rgba(13, 31, 64, 0.7) 0%, rgba(8, 11, 20, 0.95) 100%), url('/assets/images/dab749ce149f7ec6.jpg') center/cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 11, 20, 0.8);
            backdrop-filter: blur(2px);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge-wrap {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(255, 209, 102, 0.1);
            border: 1px solid rgba(255, 209, 102, 0.3);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 22px;
        }

        .hero-title {
            font-size: 2.85rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }

        .hero-title .gradient-text {
            background: linear-gradient(135deg, #FFFFFF 20%, var(--primary-cyan) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 1.08rem;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 34px;
        }

        .hero-action-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-glow {
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 700;
            color: #060c18;
            background: linear-gradient(135deg, var(--primary-cyan), var(--primary-mint));
            border-radius: 30px;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 210, 255, 0.65);
        }

        .btn-glass {
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            border-radius: 30px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(0, 210, 255, 0.4);
            color: var(--primary-cyan);
        }

        /* Hero 右侧尊享特权与实时状态看板 */
        .hero-dashboard-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 30px;
            backdrop-filter: blur(16px);
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
        }

        .dashboard-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border-soft);
            margin-bottom: 20px;
        }

        .vip-status-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 209, 102, 0.15);
            color: var(--accent-gold);
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            border: 1px solid rgba(255, 209, 102, 0.3);
        }

        .metrics-stack {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 22px;
        }

        .metric-mini-box {
            background: rgba(9, 16, 32, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 14px;
        }

        .metric-mini-label {
            font-size: 0.78rem;
            color: var(--text-sub);
            margin-bottom: 4px;
        }

        .metric-mini-value {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary-cyan);
            font-family: monospace;
        }

        .stream-status-box {
            background: rgba(0, 255, 163, 0.05);
            border: 1px solid rgba(0, 255, 163, 0.2);
            border-radius: var(--radius-sm);
            padding: 12px;
            font-size: 0.85rem;
            color: var(--primary-mint);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* 2. 卖点三连 */
        .feature-trio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .trio-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            backdrop-filter: blur(12px);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .trio-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .trio-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: 0 15px 35px rgba(0, 210, 255, 0.15);
        }

        .trio-card:hover::after {
            opacity: 1;
        }

        .trio-icon {
            font-size: 1.8rem;
            margin-bottom: 18px;
            display: inline-block;
        }

        .trio-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .trio-card p {
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.7;
        }

        /* 3. 核心服务矩阵 (6卡片) */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-box {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-box:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
        }

        .service-tag {
            font-size: 0.75rem;
            color: var(--primary-mint);
            background: rgba(0, 255, 163, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid rgba(0, 255, 163, 0.2);
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .service-box h3 {
            font-size: 1.18rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .service-box p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.68;
            margin-bottom: 18px;
        }

        .service-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--primary-cyan);
            font-weight: 600;
        }

        /* 4. 热门展厅与产品交替卡片 (3组视差图文) */
        .featured-products-list {
            display: flex;
            flex-direction: column;
            gap: 56px;
        }

        .featured-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 36px;
            backdrop-filter: blur(14px);
        }

        .featured-item.reverse {
            direction: rtl;
        }

        .featured-item.reverse .featured-content {
            direction: ltr;
        }

        .featured-item.reverse .featured-thumb {
            direction: ltr;
        }

        .featured-thumb {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-soft);
        }

        .featured-thumb img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-thumb:hover img {
            transform: scale(1.04);
        }

        .featured-content h3 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .featured-content p {
            color: var(--text-muted);
            font-size: 0.96rem;
            line-height: 1.75;
            margin-bottom: 22px;
        }

        .tech-spec-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 6px;
            background: rgba(0, 210, 255, 0.08);
            border: 1px solid rgba(0, 210, 255, 0.25);
            color: var(--primary-cyan);
            font-family: monospace;
            font-size: 0.88rem;
            font-weight: 600;
        }

        /* 5. 深度体验对比看板 */
        .comparison-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(16px);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            border-bottom: 1px solid var(--border-soft);
        }

        .compare-head {
            background: rgba(13, 21, 39, 0.9);
            font-weight: 700;
            padding: 18px 24px;
            color: var(--text-main);
            font-size: 1rem;
        }

        .compare-head.highlight {
            color: var(--primary-cyan);
            background: rgba(0, 210, 255, 0.08);
            border-left: 1px solid var(--border-glow);
            border-right: 1px solid var(--border-glow);
        }

        .compare-cell {
            padding: 18px 24px;
            font-size: 0.92rem;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
        }

        .compare-cell.highlight {
            color: #FFFFFF;
            font-weight: 600;
            background: rgba(0, 210, 255, 0.04);
            border-left: 1px solid var(--border-glow);
            border-right: 1px solid var(--border-glow);
        }

        /* 6. 核心优势护城河 (6卡片) */
        .strengths-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .strength-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            backdrop-filter: blur(12px);
        }

        .strength-card .pulse-indicator {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary-mint);
            box-shadow: 0 0 10px var(--primary-mint);
        }

        .strength-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .strength-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 7. 研发与场景落地里程碑时间轴 */
        .timeline-container {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
        }

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

        .timeline-node {
            position: relative;
            margin-bottom: 48px;
            width: 50%;
            padding: 0 36px;
        }

        .timeline-node.left {
            left: 0;
            text-align: right;
        }

        .timeline-node.right {
            left: 50%;
            text-align: left;
        }

        .timeline-badge {
            position: absolute;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-cyan);
            box-shadow: 0 0 14px var(--primary-cyan);
            border: 3px solid var(--bg-deep);
        }

        .timeline-node.left .timeline-badge {
            right: -8px;
        }

        .timeline-node.right .timeline-badge {
            left: -8px;
        }

        .timeline-box {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px;
            backdrop-filter: blur(10px);
        }

        .timeline-box .node-date {
            font-family: monospace;
            color: var(--primary-mint);
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-box h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .timeline-box p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 8. 案例沉浸区 */
        .case-study-hero {
            background: radial-gradient(circle at center, rgba(13, 21, 39, 0.8) 0%, rgba(8, 11, 20, 0.98) 100%), url('/assets/images/dd9f54fc107a9775.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-glow);
            padding:64px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
        }

        .case-study-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .case-metrics-panel {
            background: rgba(9, 15, 30, 0.85);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .case-metric-item {
            border-left: 3px solid var(--primary-cyan);
            padding-left: 14px;
        }

        .case-metric-num {
            font-size: 1.85rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: monospace;
            line-height: 1.2;
        }

        .case-metric-desc {
            font-size: 0.82rem;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* 9. 用户沉浸故事与场景还原 */
        .story-cards-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .story-quote {
            font-size: 1.05rem;
            color: #FFFFFF;
            font-style: italic;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .story-author {
            display: flex;
            align-items: center;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-cyan), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
        }

        .author-meta h5 {
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .author-meta p {
            font-size: 0.82rem;
            color: var(--text-sub);
        }

        /* 10. 实时运营与技术效能统计条 */
        .live-metrics-bar-section {
            background: linear-gradient(180deg, rgba(8, 11, 20, 0.95), rgba(13, 21, 39, 0.95)), url('/assets/images/26078420741f971d.webp') center/cover fixed;
            padding: 64px 0;
            border-top: 1px solid var(--border-glow);
            border-bottom: 1px solid var(--border-glow);
        }

        .metrics-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .metric-col {
            position: relative;
        }

        .metric-col:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-soft);
        }

        .metric-bignum {
            font-size: 2.85rem;
            font-weight: 900;
            color: var(--primary-cyan);
            font-family: monospace;
            text-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .metric-title {
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .metric-sub {
            font-size: 0.82rem;
            color: var(--text-sub);
        }

        /* 11. 生态评价区 */
        .review-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-box {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(12px);
        }

        .review-stars {
            color: var(--accent-gold);
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .review-box p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .reviewer-info {
            font-size: 0.85rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .reviewer-org {
            font-size: 0.78rem;
            color: var(--text-sub);
        }

        /* 12. 行业资讯与技术白皮书列表 */
        .news-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

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

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

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

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

        .news-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--primary-mint);
            font-family: monospace;
            margin-bottom: 8px;
        }

        .news-content h4 {
            font-size: 1.12rem;
            margin-bottom: 10px;
            color: var(--text-main);
            line-height: 1.45;
        }

        .news-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

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

        /* 13. 平台安全与可靠性保障 */
        .security-badges-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .badge-box {
            background: rgba(13, 21, 39, 0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
        }

        .badge-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 14px auto;
            border-radius: 50%;
            background: rgba(0, 210, 255, 0.1);
            border: 1px solid rgba(0, 210, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-cyan);
        }

        .badge-box h5 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .badge-box p {
            font-size: 0.82rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 14. 常见问题速查 (FAQ) */
        .faq-accordion-wrap {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item[open] {
            border-color: var(--border-glow);
        }

        .faq-summary {
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

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

        .faq-summary::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary-cyan);
            font-weight: 400;
            transition: transform 0.25s ease;
        }

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

        .faq-body {
            padding: 0 24px 22px 24px;
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 4px;
            padding-top: 14px;
        }

        /* 15. 极速需求评估与转化表单 */
        .conversion-card-wrap {
            max-width: 900px;
            margin: 0 auto;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(13, 21, 39, 0.95));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px;
            backdrop-filter: blur(20px);
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
        }

        .interactive-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .form-full {
            grid-column: span 2;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 13px 18px;
            background: rgba(8, 11, 20, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 0.95rem;
            outline: none;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary-cyan);
            box-shadow: 0 0 12px rgba(0, 210, 255, 0.35);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 110px;
        }

        .form-checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .form-checkbox-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--text-muted);
            cursor: pointer;
        }

        .form-checkbox-label input[type="checkbox"] {
            accent-color: var(--primary-cyan);
        }

        .form-submit-btn {
            width: 100%;
            padding: 16px;
            font-size: 1.05rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-cyan), var(--primary-mint));
            color: #060d1d;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(0, 210, 255, 0.6);
        }

        /* 页脚系统 */
        .site-footer {
            background: #05070d;
            border-top: 1px solid var(--border-soft);
            padding: 80px 0 30px 0;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 64px;
        }

        .footer-brand h3 {
            color: var(--text-main);
            font-size: 1.35rem;
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.8;
            font-size: 0.88rem;
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: var(--text-main);
            font-size: 1.05rem;
            margin-bottom: 18px;
            font-weight: 600;
        }

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

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

        .footer-contact-item {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.88rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-sub);
        }

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

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
            }
            .feature-trio-grid,
            .service-matrix-grid,
            .strengths-grid,
            .review-cards-grid,
            .news-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-bar-grid,
            .security-badges-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .metric-col:nth-child(2)::after {
                display: none;
            }
            .case-study-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(8, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 32px 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-soft);
                display: none;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero-title {
                font-size: 2.15rem;
            }
            .feature-trio-grid,
            .service-matrix-grid,
            .strengths-grid,
            .review-cards-grid,
            .news-cards-grid,
            .story-cards-wrap {
                grid-template-columns: 1fr;
            }
            .featured-item,
            .featured-item.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
            }
            .timeline-container::before {
                left: 20px;
            }
            .timeline-node {
                width: 100%;
                padding-left: 54px;
                padding-right: 0;
                text-align: left !important;
                left: 0 !important;
            }
            .timeline-node.left .timeline-badge,
            .timeline-node.right .timeline-badge {
                left: 12px;
                right: auto;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-head, .compare-cell {
                padding: 12px 16px;
            }
            .conversion-card-wrap {
                padding: 28px 18px;
            }
            .interactive-form {
                grid-template-columns: 1fr;
            }
            .form-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 520px) {
            section {
                padding: 64px 0;
            }
            .hero-title {
                font-size: 1.85rem;
            }
            .metrics-bar-grid,
            .security-badges-bar {
                grid-template-columns: 1fr;
            }
            .metric-col::after {
                display: none !important;
            }
        }