/* roulang page: index */
/* 全局设计变量系统 */
    :root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --primary-light: #EFF6FF;
      --accent: #0284C7;
      --accent-hover: #0369A1;
      --success: #10B981;
      --warning: #F59E0B;
      --danger: #EF4444;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 12px 28px -6px rgba(30, 64, 175, 0.12), 0 8px 12px -6px rgba(30, 64, 175, 0.06);
      --container-w: 1200px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 按钮与通用徽章 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      min-height: 44px;
      min-width: 44px;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 16px rgba(30, 64, 175, 0.3);
      transform: translateY(-1px);
    }

    .btn-outline {
      background-color: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-color);
    }

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

    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
    }

    .btn-accent:hover {
      background-color: var(--accent-hover);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 600;
      line-height: 1;
    }

    .badge-primary {
      background-color: var(--primary-light);
      color: var(--primary);
    }

    .badge-success {
      background-color: #ECFDF5;
      color: var(--success);
    }

    .badge-warning {
      background-color: #FFFBEB;
      color: var(--warning);
    }

    /* 标题统一样式 */
    .section-header {
      margin-bottom: 40px;
      text-align: center;
    }

    .section-header.text-left {
      text-align: left;
    }

    .section-tag {
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
    }

    .section-header.text-left .section-desc {
      margin: 0;
    }

    /* 顶部信息栏 */
    .top-bar {
      background-color: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.75rem;
      color: var(--text-muted);
      padding: 6px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--success);
      border-radius: 50%;
      margin-right: 6px;
    }

    /* 主导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 900;
      font-size: 1.1rem;
    }

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

    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }

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

    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.2s ease;
    }

    .nav-menu a:hover::after, .nav-menu a.active::after {
      width: 100%;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    /* 模块通用内边距 */
    .section-py {
      padding: 70px 0;
    }

    .section-py-sm {
      padding: 40px 0;
    }

    .bg-white {
      background-color: #FFFFFF;
    }

    .bg-slate {
      background-color: #F1F5F9;
    }

    .bg-dark {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }

    /* 模块1: 紧凑版 Hero 倒计时与新品发布 */
    .hero-compact {
      position: relative;
      background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
      border-bottom: 1px solid var(--border-color);
      padding: 50px 0 60px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: var(--text-main);
    }

    .hero-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 24px;
    }

    .hero-countdown-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .countdown-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-color);
    }

    .countdown-header h3 {
      font-size: 1.05rem;
      font-weight: 700;
    }

    .countdown-ring-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      text-align: center;
      margin-bottom: 20px;
    }

    .countdown-item {
      background: var(--bg-main);
      padding: 12px 6px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .countdown-item .num {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      display: block;
      line-height: 1.1;
    }

    .countdown-item .label {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .hero-bullet-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 14px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .hero-bullet-list li {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-bullet-list li::before {
      content: '✓';
      color: var(--success);
      font-weight: bold;
    }

    /* 模块2: 左资讯流 + 右热榜/入口 */
    .portal-dual-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }

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

    .news-stream-item {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 20px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .news-stream-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }

    .news-stream-img {
      width: 100%;
      height: 100%;
      min-height: 140px;
      object-fit: cover;
    }

    .news-stream-content {
      padding: 16px 20px 16px 0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 6px;
    }

    .news-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 右侧热榜入口 */
    .portal-sidebar {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .sidebar-widget {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
    }

    .sidebar-title {
      font-size: 1.05rem;
      font-weight: 700;
      border-bottom: 2px solid var(--primary-light);
      padding-bottom: 10px;
      margin-bottom: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .rank-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .rank-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.88rem;
    }

    .rank-idx {
      width: 22px;
      height: 22px;
      background: var(--bg-main);
      color: var(--text-muted);
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.75rem;
      flex-shrink: 0;
    }

    .rank-item:nth-child(1) .rank-idx { background: #FEE2E2; color: #DC2626; }
    .rank-item:nth-child(2) .rank-idx { background: #FEF3C7; color: #D97706; }
    .rank-item:nth-child(3) .rank-idx { background: #E0E7FF; color: var(--primary); }

    .rank-item a {
      color: var(--text-main);
      line-height: 1.4;
    }

    .rank-item a:hover {
      color: var(--primary);
    }

    .fast-entry-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .fast-card {
      background: var(--bg-main);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 12px;
      text-align: center;
      transition: all 0.2s ease;
    }

    .fast-card:hover {
      background: var(--primary-light);
      border-color: var(--accent);
    }

    .fast-card-name {
      font-size: 0.85rem;
      font-weight: 600;
      display: block;
    }

    /* 模块3: 专题条（横向平铺） */
    .topic-strip {
      background: linear-gradient(90deg, #1E40AF 0%, #0284C7 100%);
      color: #FFFFFF;
      padding: 30px 0;
      box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    }

    .topic-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .topic-strip-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 18px;
      transition: transform 0.2s ease;
    }

    .topic-strip-card:hover {
      transform: translateY(-3px);
      background: rgba(255, 255, 255, 0.18);
    }

    .topic-strip-card h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .topic-strip-card p {
      font-size: 0.82rem;
      opacity: 0.9;
      line-height: 1.4;
    }

    /* 模块4: 行业研发痛点对比 */
    .pain-point-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .pain-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-top: 3px solid var(--danger);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
    }

    .pain-card h3 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    /* 模块5: 核心解决方案架构 */
    .arch-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .arch-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }

    .arch-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .arch-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
    }

    .arch-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .arch-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 模块6: 六大技术优势 Bento/Grid */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .advantage-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

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

    .adv-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .advantage-card h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 模块7: 热门测试服务矩阵 */
    .service-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .matrix-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .featured-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary);
      color: #FFFFFF;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 700;
    }

    .matrix-header h3 {
      font-size: 1.25rem;
      margin-bottom: 8px;
    }

    .matrix-header p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .matrix-features {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .matrix-features li {
      font-size: 0.88rem;
      color: var(--text-main);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .matrix-features li::before {
      content: '●';
      color: var(--accent);
      font-size: 0.6rem;
    }

    /* 模块8: 深色 CI/CD Pipeline 流程 */
    .pipeline-section {
      background: var(--bg-dark);
      color: #FFFFFF;
    }

    .pipeline-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .pipeline-node {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      position: relative;
    }

    .node-step {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px;
      font-weight: 800;
      font-size: 0.85rem;
    }

    .pipeline-node h4 {
      font-size: 0.95rem;
      margin-bottom: 6px;
      color: #FFFFFF;
    }

    .pipeline-node p {
      font-size: 0.78rem;
      color: var(--text-light);
      line-height: 1.4;
    }

    /* 模块9: 游戏落地案例摘要 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .case-img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

    .case-body {
      padding: 20px;
    }

    .case-type {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 4px;
    }

    .case-body h3 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 14px;
      line-height: 1.5;
    }

    .case-stat-row {
      display: flex;
      justify-content: space-between;
      background: var(--bg-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.8rem;
      font-weight: 600;
    }

    /* 模块10: 全网量化指标数据条 */
    .metrics-bar {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .metric-item {
      padding: 20px 10px;
    }

    .metric-num {
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--primary);
      display: block;
      margin-bottom: 4px;
      font-family: inherit;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 模块11: 用户口碑与专家评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .quote-mark {
      font-size: 2rem;
      color: var(--primary-light);
      line-height: 1;
      font-weight: 900;
    }

    .testimonial-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .user-name {
      font-size: 0.9rem;
      font-weight: 700;
    }

    .user-role {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 模块12: 媒体合作与生态伙伴墙 */
    .partner-wall-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
      text-align: center;
    }

    .partner-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 16px 10px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 60px;
    }

    /* 模块13: 快速答疑 Accordion */
    .faq-wrapper {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background: var(--bg-main);
    }

    .faq-arrow {
      transition: transform 0.3s ease;
      font-size: 0.8rem;
    }

    .faq-answer {
      padding: 0 24px 18px;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      display: none;
    }

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

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }

    /* 模块14: 订阅预约与底部收口强 CTA */
    .cta-banner-box {
      background: linear-gradient(135deg, #1E40AF 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #FFFFFF;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .cta-banner-box h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .cta-banner-box p {
      font-size: 1rem;
      color: var(--text-light);
      max-width: 600px;
      margin: 0 auto 28px;
    }

    .cta-form {
      max-width: 560px;
      margin: 0 auto;
      display: flex;
      gap: 10px;
    }

    .cta-input {
      flex-grow: 1;
      height: 48px;
      padding: 0 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      outline: none;
      font-size: 0.95rem;
    }

    .cta-input::placeholder {
      color: var(--text-light);
    }

    .cta-input:focus {
      border-color: #FFFFFF;
      background: rgba(255, 255, 255, 0.2);
    }

    .cta-notes {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-top: 14px;
    }

    /* 结构化合规页脚 */
    .site-footer {
      background-color: var(--bg-dark);
      color: #94A3B8;
      padding: 60px 0 24px;
      border-top: 1px solid var(--border-dark);
      font-size: 0.88rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 1.25rem;
      margin-bottom: 14px;
    }

    .footer-brand p {
      line-height: 1.6;
      margin-bottom: 16px;
      font-size: 0.85rem;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1rem;
      margin-bottom: 16px;
    }

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

    .footer-links a:hover {
      color: #FFFFFF;
    }

    .footer-contact-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 12px;
      font-size: 0.85rem;
    }

    .footer-contact-item strong {
      color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.78rem;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .portal-dual-grid { grid-template-columns: 1fr; }
      .topic-strip-grid { grid-template-columns: repeat(2, 1fr); }
      .pain-point-grid { grid-template-columns: repeat(2, 1fr); }
      .advantage-grid { grid-template-columns: repeat(2, 1fr); }
      .pipeline-grid { grid-template-columns: repeat(3, 1fr); }
      .partner-wall-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-menu { display: none; }
      .mobile-toggle { display: block; }
      .section-title { font-size: 1.6rem; }
      .hero-title { font-size: 1.85rem; }
      .arch-layout { grid-template-columns: 1fr; }
      .service-matrix-grid { grid-template-columns: 1fr; }
      .matrix-card.featured { transform: none; }
      .cases-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonial-grid { grid-template-columns: 1fr; }
      .pipeline-grid { grid-template-columns: 1fr; }
      .topic-strip-grid { grid-template-columns: 1fr; }
      .advantage-grid { grid-template-columns: 1fr; }
      .news-stream-item { grid-template-columns: 1fr; }
      .news-stream-content { padding: 16px; }
      .partner-wall-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-form { flex-direction: column; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    }

    @media (max-width: 480px) {
      .pain-point-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: 1fr; }
      .countdown-ring-grid { grid-template-columns: repeat(2, 1fr); }
    }