/* roulang page: index */
:root {
      --primary: #0F5B5C;
      --primary-dark: #0A3E3F;
      --primary-light: #1B8B80;
      --accent: #E37A3F;
      --accent-hover: #D1682E;
      --secondary: #2A3A40;
      --bg-light: #F7F9F9;
      --bg-white: #FFFFFF;
      --bg-dark: #122023;
      --text-main: #1A252C;
      --text-muted: #62757F;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 91, 92, 0.04);
      --shadow-md: 0 6px 24px -4px rgba(15, 91, 92, 0.08);
      --shadow-lg: 0 16px 36px -6px rgba(18, 32, 35, 0.12);
      --container-max: 1240px;
      --transition: all 0.28s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-light);
      overflow-x: hidden;
    }

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

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

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

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

    /* 顶部导航架构 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-white);
      box-shadow: 0 2px 12px rgba(10, 62, 63, 0.06);
    }

    .top-bar {
      background: var(--bg-dark);
      color: #CBD5E1;
      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-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #5EEAD4;
    }
    .top-badge::before {
      content: '';
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 6px #10B981;
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .top-links a:hover {
      color: var(--bg-white);
    }

    .main-nav {
      padding: 16px 0;
    }
    .main-nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 800;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 26px;
    }
    .nav-item a {
      font-size: 15px;
      font-weight: 500;
      color: var(--secondary);
      position: relative;
      padding: 6px 0;
    }
    .nav-item a:hover {
      color: var(--primary);
    }
    .nav-item a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-item a:hover::after {
      width: 100%;
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: var(--bg-white);
      font-weight: 600;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      box-shadow: 0 4px 12px rgba(227, 122, 63, 0.25);
    }
    .nav-cta:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      cursor: pointer;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--secondary);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 移动端菜单 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(18, 32, 35, 0.95);
      backdrop-filter: blur(10px);
      z-index: 2000;
      padding: 40px 24px;
      flex-direction: column;
      justify-content: space-between;
    }
    .mobile-drawer.active {
      display: flex;
    }
    .mobile-drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 20px;
    }
    .mobile-drawer-close {
      color: white;
      font-size: 32px;
      background: none;
      cursor: pointer;
    }
    .mobile-menu-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin: 30px 0;
    }
    .mobile-menu-links a {
      color: white;
      font-size: 18px;
      font-weight: 500;
    }

    /* 板块公用规范 */
    .section-wrap {
      padding: 88px 0;
      position: relative;
    }
    .section-bg-alt {
      background-color: var(--bg-white);
    }
    .section-bg-dark {
      background-color: var(--bg-dark);
      color: #F1F5F9;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(15, 91, 92, 0.08);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-badge-dark {
      background: rgba(94, 234, 212, 0.15);
      color: #5EEAD4;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.35;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .section-title-dark {
      color: #FFFFFF;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-subtitle-dark {
      color: #94A3B8;
    }

    /* 1. 首屏沉浸式海报区域 (Hero) */
    .hero-section {
      position: relative;
      background-color: var(--bg-dark);
      color: white;
      padding: 100px 0 110px 0;
      background-image: linear-gradient(rgba(18, 32, 35, 0.88), rgba(18, 32, 35, 0.94)), url('/assets/images/63bdaf0b391cad21.webp');
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 24px;
      background: rgba(27, 139, 128, 0.25);
      border: 1px solid rgba(94, 234, 212, 0.3);
      color: #5EEAD4;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 22px;
    }
    .hero-h1 {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      color: #FFFFFF;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      background: var(--accent);
      color: white;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      box-shadow: 0 8px 20px rgba(227, 122, 63, 0.35);
      transition: var(--transition);
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: white;
      font-size: 15px;
      font-weight: 500;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.2);
    }
    .hero-trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
    }
    .trust-item-dot {
      width: 6px;
      height: 6px;
      background: #5EEAD4;
      border-radius: 50%;
    }
    .hero-card-panel {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 30px;
      backdrop-filter: blur(14px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .hero-status-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-status-label {
      font-size: 13px;
      color: #94A3B8;
    }
    .hero-status-val {
      font-size: 14px;
      color: #5EEAD4;
      font-weight: 600;
    }
    .hero-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 18px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-quick-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .h-stat {
      background: rgba(255, 255, 255, 0.04);
      padding: 14px;
      border-radius: var(--radius-sm);
    }
    .h-stat-num {
      font-size: 24px;
      font-weight: 700;
      color: #F8FAFC;
    }
    .h-stat-txt {
      font-size: 12px;
      color: #94A3B8;
      margin-top: 4px;
    }

    /* 2. KPI看板与成果指标条 */
    .kpi-section {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
      padding: 44px 0;
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .kpi-card {
      border-left: 3px solid var(--primary-light);
      padding-left: 18px;
    }
    .kpi-value {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .kpi-unit {
      font-size: 16px;
      font-weight: 600;
      color: var(--accent);
    }
    .kpi-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
      margin: 8px 0 4px 0;
    }
    .kpi-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 痛点诊断区 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .pain-icon {
      width: 44px;
      height: 44px;
      background: rgba(227, 122, 63, 0.1);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 18px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--secondary);
    }
    .pain-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 服务矩阵/系统模块区 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: var(--bg-light);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary-light);
      box-shadow: var(--shadow-md);
    }
    .matrix-img-box {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .matrix-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .matrix-card:hover .matrix-img-box img {
      transform: scale(1.04);
    }
    .matrix-content {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .matrix-badge {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(15, 91, 92, 0.08);
      padding: 3px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
    }
    .matrix-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--secondary);
    }
    .matrix-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .matrix-features-list {
      list-style: none;
      margin-top: auto;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .matrix-features-list li {
      font-size: 13px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .matrix-features-list li::before {
      content: '✓';
      color: var(--primary);
      font-weight: bold;
    }

    /* 5. 核心优势六大维度 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .feature-box {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .feature-box:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .feature-num {
      font-size: 14px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 1px;
      margin-bottom: 10px;
    }
    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .feature-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 6. 场景适配与解决方案 */
    .solution-tabs-wrap {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .solution-nav {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .sol-btn {
      padding: 10px 22px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      cursor: pointer;
      transition: var(--transition);
    }
    .sol-btn.active, .sol-btn:hover {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }
    .sol-display {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }
    .sol-info {
      padding: 44px;
    }
    .sol-info h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 14px;
    }
    .sol-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .sol-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .sol-list li {
      font-size: 14px;
      color: var(--text-main);
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .sol-list-badge {
      background: rgba(15, 91, 92, 0.1);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      margin-top: 2px;
      flex-shrink: 0;
    }
    .sol-visual {
      height: 100%;
      min-height: 380px;
      background: #E2E8F0;
      overflow: hidden;
    }
    .sol-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 7. 实施落地四步走 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-badge-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 16px;
    }
    .step-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 8. 数字化底座与微服务架构 (深色板块) */
    .architecture-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-card-group {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .arch-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-sm);
      padding: 22px;
      transition: var(--transition);
    }
    .arch-box:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: #5EEAD4;
      transform: translateY(-2px);
    }
    .arch-box-title {
      font-size: 16px;
      font-weight: 700;
      color: #5EEAD4;
      margin-bottom: 8px;
    }
    .arch-box-desc {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 9. 新旧模式结果对比 (Result Comparison) */
    .compare-container {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #F8FAFC;
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .badge-diff-bad {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      background: #FEE2E2;
      color: #991B1B;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .badge-diff-good {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      background: #D1FAE5;
      color: #065F46;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    /* 10. 标杆企业客户故事 (Stories) */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .story-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .story-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .story-thumb {
      height: 100%;
      min-height: 220px;
    }
    .story-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .story-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .story-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .story-stat-point {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      border-top: 1px dashed var(--border-color);
      padding-top: 10px;
    }

    /* 11. 多角色评价墙 (Reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 15px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .review-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-light), var(--primary));
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 15px;
    }
    .reviewer-info-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--secondary);
    }
    .reviewer-info-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 12. 政策资讯与动态指南 (News) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .news-card:hover .news-img img {
      transform: scale(1.04);
    }
    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-snippet {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .news-link-btn {
      margin-top: auto;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .news-link-btn:hover {
      color: var(--accent);
    }

    /* 13. 快速解答手风琴 (FAQ) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--secondary);
      background: var(--bg-white);
      transition: background 0.2s ease;
    }
    .faq-question:hover {
      background: #F8FAFC;
    }
    .faq-toggle-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #FAFBFB;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px 20px 22px;
      border-top: 1px solid var(--border-color);
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 14. 核心预约转化表单 (Trial Form) */
    .trial-container {
      background: linear-gradient(135deg, #0A3E3F 0%, #122023 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: white;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .trial-info h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      color: #FFFFFF;
    }
    .trial-info p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .trial-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .trial-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #E2E8F0;
    }
    .trial-perks-dot {
      width: 18px;
      height: 18px;
      background: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
    }
    .trial-form-box {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--text-main);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }
    .form-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 20px;
      text-align: center;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      background: #F8FAFC;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      background: white;
      box-shadow: 0 0 0 3px rgba(15, 91, 92, 0.1);
    }
    .form-checkbox-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 6px;
    }
    .checkbox-label {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      cursor: pointer;
    }
    .btn-submit {
      width: 100%;
      padding: 13px;
      background: var(--accent);
      color: white;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      margin-top: 10px;
      transition: var(--transition);
      box-shadow: 0 6px 16px rgba(227, 122, 63, 0.3);
    }
    .btn-submit:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }
    .form-hint {
      font-size: 11px;
      color: var(--text-light);
      text-align: center;
      margin-top: 12px;
    }

    /* 页脚系统 */
    .site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      padding: 70px 0 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 700;
      color: white;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: white;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #5EEAD4;
      padding-left: 4px;
    }
    .footer-contact-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 14px;
      font-size: 13px;
    }
    .footer-contact-label {
      color: #CBD5E1;
      font-weight: 600;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: #64748B;
    }
    .footer-certs {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .footer-cert-badge {
      padding: 3px 8px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 4px;
      color: #94A3B8;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pain-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid {
        grid-template-columns: 1fr;
      }
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .architecture-inner {
        grid-template-columns: 1fr;
      }
      .stories-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .trial-container {
        grid-template-columns: 1fr;
        padding: 36px 24px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu, .nav-cta {
        display: none;
      }
      .hamburger {
        display: flex;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .section-wrap {
        padding: 60px 0;
      }
      .section-title {
        font-size: 24px;
      }
      .features-grid {
        grid-template-columns: 1fr;
      }
      .sol-display {
        grid-template-columns: 1fr;
      }
      .sol-visual {
        min-height: 220px;
      }
      .sol-info {
        padding: 24px;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .arch-card-group {
        grid-template-columns: 1fr;
      }
      .story-card {
        grid-template-columns: 1fr;
      }
      .story-thumb {
        height: 180px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }