/* roulang page: index */
:root {
      --primary-navy: #0F1E36;
      --electric-blue: #1A62FF;
      --accent-gold: #C5A880;
      --dark-obsidian: #0A111C;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0B1320;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: rgba(226, 232, 240, 0.85);
      --card-shadow: 0 10px 30px -5px rgba(15, 30, 54, 0.06);
      --card-shadow-hover: 0 20px 40px -8px rgba(26, 98, 255, 0.12);
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
    img { max-width: 100%; height: auto; display: block; }
    button, input, select, textarea { font-family: inherit; }

    .site-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .top-bar {
      background-color: var(--dark-obsidian);
      color: var(--text-light);
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
    }

    .main-nav-wrapper {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition-smooth);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 20px;
      color: var(--primary-navy);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--electric-blue), var(--primary-navy));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--electric-blue);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--electric-blue);
      transition: width 0.3s ease;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .btn-nav {
      background: var(--electric-blue);
      color: #fff;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid transparent;
      box-shadow: 0 4px 14px rgba(26, 98, 255, 0.25);
    }
    .btn-nav:hover {
      background: #0d50e0;
      color: #fff;
      transform: translateY(-1px);
    }

    /* 移动端汉堡按钮 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--primary-navy);
      cursor: pointer;
    }

    /* Section 基础样式 */
    section {
      padding: 96px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 64px auto;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: 9999px;
      background: rgba(26, 98, 255, 0.08);
      color: var(--electric-blue);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
      border: 1px solid rgba(26, 98, 255, 0.2);
    }
    .section-title {
      font-size: 34px;
      line-height: 1.3;
      font-weight: 800;
      color: var(--primary-navy);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 板块 1: 白皮书获客 Hero Banner */
    .hero-section {
      padding: 70px 0 90px 0;
      background: linear-gradient(135deg, #0b1424 0%, #0F1E36 60%, #152745 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background-image: url('/assets/images/7a20de250a0049cc.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.12;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
      color: #ffffff;
    }
    .hero-content .hero-p {
      font-size: 17px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 36px;
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .stat-item h3 {
      font-size: 28px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .stat-item h3 span { color: var(--accent-gold); }
    .stat-item p {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 白皮书获客卡片 */
    .whitepaper-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
    .wp-badge {
      display: inline-block;
      padding: 4px 12px;
      background: var(--accent-gold);
      color: #0F1E36;
      font-weight: 700;
      font-size: 12px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .wp-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #FFFFFF;
    }
    .wp-summary {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.65;
      margin-bottom: 22px;
    }
    .wp-toc {
      list-style: none;
      margin-bottom: 24px;
      border-left: 2px solid rgba(197, 168, 128, 0.4);
      padding-left: 14px;
    }
    .wp-toc li {
      font-size: 13px;
      color: #E2E8F0;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .wp-toc li i {
      color: var(--accent-gold);
      font-size: 11px;
    }
    .wp-form {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .wp-form input {
      width: 100%;
      padding: 13px 16px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(15, 30, 54, 0.6);
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: var(--transition-smooth);
    }
    .wp-form input:focus {
      border-color: var(--electric-blue);
      box-shadow: 0 0 0 3px rgba(26, 98, 255, 0.25);
    }
    .wp-submit-btn {
      background: linear-gradient(135deg, var(--electric-blue), #2563EB);
      color: #fff;
      border: none;
      padding: 14px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 15px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      transition: var(--transition-smooth);
    }
    .wp-submit-btn:hover {
      background: #0d50e0;
      transform: translateY(-2px);
    }

    /* 板块 2: 双栏布局 - 左资讯流 vs 右热榜/入口 */
    .stream-rank-section {
      background-color: var(--bg-light);
    }
    .split-layout-grid {
      display: grid;
      grid-template-columns: 1.8fr 1.2fr;
      gap: 40px;
      align-items: start;
    }
    .news-stream-card {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 24px;
      margin-bottom: 20px;
      display: flex;
      gap: 22px;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
    }
    .news-stream-card:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-3px);
      border-color: rgba(26, 98, 255, 0.3);
    }
    .news-stream-thumb {
      width: 160px;
      height: 110px;
      border-radius: 10px;
      overflow: hidden;
      flex-shrink: 0;
    }
    .news-stream-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-stream-body {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-meta {
      font-size: 13px;
      color: var(--text-light);
      display: flex;
      gap: 12px;
      align-items: center;
      margin-bottom: 6px;
    }
    .news-meta span.tag {
      background: rgba(26, 98, 255, 0.08);
      color: var(--electric-blue);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 12px;
    }
    .news-stream-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-navy);
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .news-stream-excerpt {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 右侧热榜与快捷入口 */
    .rank-box {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--card-shadow);
      margin-bottom: 30px;
    }
    .rank-box-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-navy);
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .rank-list {
      list-style: none;
    }
    .rank-list-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(226, 232, 240, 0.8);
    }
    .rank-list-item:last-child { border-bottom: none; }
    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: var(--bg-light);
      color: var(--text-muted);
      font-weight: 700;
      font-size: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .rank-num.top-3 {
      background: var(--electric-blue);
      color: #fff;
    }
    .rank-text h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-navy);
      line-height: 1.4;
      margin-bottom: 4px;
    }
    .rank-text p {
      font-size: 12px;
      color: var(--text-light);
    }

    .quick-entry-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .quick-entry-item {
      padding: 16px;
      background: var(--bg-light);
      border-radius: 10px;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      gap: 6px;
      transition: var(--transition-smooth);
    }
    .quick-entry-item:hover {
      background: #fff;
      border-color: var(--electric-blue);
      transform: translateY(-2px);
    }
    .quick-entry-item i {
      font-size: 20px;
      color: var(--electric-blue);
    }
    .quick-entry-item span {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-navy);
    }

    /* 板块 3: 专题条与微服务架构合规 */
    .special-topic-section {
      background: #fff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 60px 0;
    }
    .topic-banner-box {
      background: linear-gradient(90deg, #0F1E36 0%, #17335C 100%);
      border-radius: 18px;
      padding: 40px 48px;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }
    .topic-info h3 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .topic-info p {
      font-size: 15px;
      color: #CBD5E1;
      max-width: 720px;
      line-height: 1.7;
    }
    .topic-tags {
      display: flex;
      gap: 12px;
      margin-top: 18px;
      flex-wrap: wrap;
    }
    .topic-tag-pill {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.18);
      padding: 4px 14px;
      border-radius: 999px;
      font-size: 13px;
      color: #F1F5F9;
    }

    /* 板块 4: 核心架构与技术能力六宫格 */
    .features-section {
      background: var(--bg-light);
    }
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .feature-card {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 36px 30px;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
      position: relative;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(26, 98, 255, 0.4);
    }
    .feature-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      background: rgba(26, 98, 255, 0.08);
      color: var(--electric-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 24px;
    }
    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 14px;
    }
    .feature-card p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 板块 5: 热门平台产品与方案矩阵 (3 栏宽卡片) */
    .products-matrix-section {
      background: #fff;
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      border: 1px solid var(--border-color);
      border-radius: 18px;
      overflow: hidden;
      background: #fff;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--electric-blue);
    }
    .product-img-wrap {
      height: 200px;
      width: 100%;
      overflow: hidden;
      position: relative;
    }
    .product-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-img-wrap img {
      transform: scale(1.05);
    }
    .product-version-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 30, 54, 0.85);
      color: #fff;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }
    .product-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .product-body h3 {
      font-size: 21px;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 12px;
    }
    .product-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .product-features-list {
      list-style: none;
      margin-top: auto;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .product-features-list li {
      font-size: 13.5px;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .product-features-list li i {
      color: #10B981;
      font-size: 14px;
    }

    /* 板块 6: 深色对比内核区 (深曜黑) */
    .dark-core-section {
      background: var(--dark-obsidian);
      color: #fff;
      padding: 100px 0;
      position: relative;
    }
    .dark-core-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .dark-core-content h2 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 20px;
    }
    .dark-core-content p {
      font-size: 16px;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .tech-spec-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .tech-spec-item {
      display: flex;
      gap: 16px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 18px 22px;
      border-radius: 12px;
    }
    .tech-spec-item i {
      color: var(--electric-blue);
      font-size: 22px;
      margin-top: 3px;
    }
    .tech-spec-text h4 {
      font-size: 16px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 4px;
    }
    .tech-spec-text p {
      font-size: 13.5px;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.6;
    }
    .topo-visual-box {
      background: rgba(15, 30, 54, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      padding: 28px;
      position: relative;
    }
    .topo-visual-box img {
      border-radius: 12px;
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 板块 7: 国际业务典型落地场景 */
    .scenarios-section {
      background: var(--bg-light);
    }
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #fff;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      padding: 28px 22px;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      border-color: var(--electric-blue);
      box-shadow: var(--card-shadow-hover);
    }
    .scenario-card .scene-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-gold);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
      display: block;
    }
    .scenario-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 12px;
    }
    .scenario-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 8: 控制台演示与运营特征 */
    .console-demo-section {
      background: #fff;
      overflow: hidden;
    }
    .console-window {
      background: #1E293B;
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 25px 60px -15px rgba(15, 30, 54, 0.25);
      overflow: hidden;
    }
    .console-header {
      background: #0F172A;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .window-dots {
      display: flex;
      gap: 6px;
    }
    .window-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
    }
    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }
    .console-title {
      color: #94A3B8;
      font-size: 13px;
      margin-left: 12px;
    }
    .console-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      padding: 36px;
      gap: 40px;
      align-items: center;
      background: #0B1320;
    }
    .console-screenshot {
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .console-screenshot img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .console-features h3 {
      font-size: 26px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .console-features p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .console-bullet-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .console-bullet-list li {
      color: #E2E8F0;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .console-bullet-list li i {
      color: var(--electric-blue);
      font-size: 15px;
    }

    /* 板块 9: 跨国品牌成功案例 (双列错落) */
    .cases-section {
      background: var(--bg-light);
    }
    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .case-card {
      background: #fff;
      border-radius: 18px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
    }
    .case-img-box {
      height: 220px;
      position: relative;
    }
    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-content {
      padding: 32px;
    }
    .case-metrics-badge {
      display: inline-block;
      padding: 5px 12px;
      background: rgba(16, 185, 129, 0.1);
      color: #10B981;
      font-weight: 700;
      font-size: 13px;
      border-radius: 6px;
      margin-bottom: 16px;
    }
    .case-content h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary-navy);
      margin-bottom: 12px;
    }
    .case-content p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .case-metrics-row {
      display: flex;
      gap: 24px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .case-metric-col strong {
      display: block;
      font-size: 20px;
      color: var(--primary-navy);
      font-weight: 800;
    }
    .case-metric-col span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 板块 10: 案例故事深读剖析 */
    .case-deep-section {
      background: #fff;
    }
    .case-deep-card {
      background: linear-gradient(135deg, #F8FAFC 0%, #EDF2F7 100%);
      border-radius: 20px;
      border: 1px solid var(--border-color);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .deep-text h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-navy);
      margin-bottom: 16px;
    }
    .deep-text p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .deep-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .deep-points li {
      font-size: 14px;
      color: var(--text-main);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .deep-points li i {
      color: var(--electric-blue);
      margin-top: 4px;
    }
    .deep-img-box {
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    }
    .deep-img-box img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }

    /* 板块 11: 交付数据指标通栏带 */
    .metrics-bar-section {
      background: linear-gradient(90deg, #0A111C 0%, #0F1E36 100%);
      color: #fff;
      padding: 56px 0;
    }
    .metrics-band-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-band-item strong {
      font-size: 40px;
      font-weight: 800;
      color: #ffffff;
      line-height: 1;
      display: block;
      margin-bottom: 8px;
    }
    .metric-band-item strong span {
      color: var(--accent-gold);
    }
    .metric-band-item p {
      font-size: 14px;
      color: #94A3B8;
      letter-spacing: 0.5px;
    }

    /* 板块 12: 口碑背书墙与用户口碑 */
    .testimonial-section {
      background: var(--bg-light);
    }
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .testimonial-card {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 16px;
    }
    .testi-text {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-navy);
      font-weight: 700;
      font-size: 16px;
    }
    .author-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary-navy);
    }
    .author-info p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 板块 13: 媒体合作与生态连接 */
    .media-partners-section {
      background: #fff;
      padding: 60px 0;
      border-top: 1px solid var(--border-color);
    }
    .partners-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 24px;
    }
    .partners-caption {
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      font-weight: 600;
    }
    .partners-logo-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
      gap: 48px;
      opacity: 0.7;
    }
    .partner-logo-item {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-navy);
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      background: var(--bg-light);
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    /* 板块 14: 常见问题快速解答 FAQ (原生 JS 手风琴) */
    .faq-section {
      background: var(--bg-light);
    }
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(15, 30, 54, 0.03);
    }
    .faq-trigger {
      width: 100%;
      text-align: left;
      padding: 22px 24px;
      background: none;
      border: none;
      font-size: 16.5px;
      font-weight: 700;
      color: var(--primary-navy);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      outline: none;
    }
    .faq-trigger i {
      color: var(--text-light);
      transition: transform 0.3s ease;
      font-size: 14px;
    }
    .faq-item.active .faq-trigger i {
      transform: rotate(180deg);
      color: var(--electric-blue);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background-color: #FAFAFA;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-content {
      border-top-color: var(--border-color);
    }
    .faq-content-inner {
      padding: 20px 24px 24px 24px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 板块 15: 订阅与底部高转化线索表单 */
    .cta-convert-section {
      background: #fff;
      padding: 90px 0;
    }
    .cta-box-card {
      background: linear-gradient(135deg, #0F1E36 0%, #172C4C 100%);
      border-radius: 24px;
      padding: 56px;
      color: #fff;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
      box-shadow: 0 30px 60px -10px rgba(15, 30, 54, 0.3);
    }
    .cta-text h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 18px;
    }
    .cta-text p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .cta-commitments {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-commitments li {
      font-size: 14px;
      color: #E2E8F0;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cta-commitments li i {
      color: var(--accent-gold);
    }
    .cta-form {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 16px;
      padding: 32px;
    }
    .cta-form .form-group {
      margin-bottom: 16px;
    }
    .cta-form label {
      display: block;
      font-size: 13px;
      color: #E2E8F0;
      margin-bottom: 6px;
      font-weight: 500;
    }
    .cta-form input, .cta-form select, .cta-form textarea {
      width: 100%;
      padding: 12px 14px;
      background: rgba(15, 30, 54, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 8px;
      color: #fff;
      font-size: 14px;
      outline: none;
    }
    .cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus {
      border-color: var(--electric-blue);
    }
    .cta-btn-submit {
      width: 100%;
      padding: 14px;
      background: var(--electric-blue);
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .cta-btn-submit:hover {
      background: #0d50e0;
    }

    /* 页脚 */
    footer {
      background: var(--dark-obsidian);
      color: #94A3B8;
      padding: 80px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 60px;
    }
    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-col h5 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--electric-blue);
    }
    .footer-contact-info {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-contact-info li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      line-height: 1.6;
    }
    .footer-contact-info i {
      color: var(--electric-blue);
      margin-top: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .split-layout-grid { grid-template-columns: 1fr; }
      .grid-3x2 { grid-template-columns: repeat(2, 1fr); }
      .product-grid { grid-template-columns: repeat(2, 1fr); }
      .dark-core-grid { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .console-body { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .case-deep-card { grid-template-columns: 1fr; }
      .metrics-band-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .cta-box-card { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links { display: none; }
      .btn-nav { display: none; }
      .mobile-menu-btn { display: block; }
      .hero-content h1 { font-size: 32px; }
      .section-title { font-size: 26px; }
      .grid-3x2 { grid-template-columns: 1fr; }
      .product-grid { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: 1fr; }
      .news-stream-card { flex-direction: column; }
      .news-stream-thumb { width: 100%; height: 160px; }
      .topic-banner-box { flex-direction: column; text-align: left; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }