/* roulang page: index */
:root {
      --primary: #00D26A;
      --primary-hover: #00ba5e;
      --primary-light: rgba(0, 210, 106, 0.12);
      --secondary: #0B132B;
      --secondary-dark: #070d1e;
      --dark-surface: #0E1726;
      --dark-card: #152238;
      --bg-light: #F7F9FC;
      --bg-white: #FFFFFF;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --border-color: #E5E7EB;
      --accent-orange: #FF7A00;
      --accent-blue: #1C64F2;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --shadow-sm: 0 2px 8px rgba(11, 19, 43, 0.04);
      --shadow-md: 0 8px 24px rgba(11, 19, 43, 0.08);
      --shadow-lg: 0 16px 36px rgba(11, 19, 43, 0.12);
      --container-max: 1280px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

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

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

    .section {
      padding: 96px 0;
      position: relative;
    }

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

    .section-alt {
      background-color: #FFFFFF;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background-color: var(--primary-light);
      color: #00964b;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-dark .section-tag {
      background-color: rgba(0, 210, 106, 0.2);
      color: var(--primary);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }

    .section-subtitle {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .section-dark .section-subtitle {
      color: var(--text-light);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #032110;
      box-shadow: 0 4px 14px rgba(0, 210, 106, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 210, 106, 0.45);
    }

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

    .btn-secondary:hover {
      background-color: #17244c;
      transform: translateY(-2px);
    }

    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }

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

    .btn-dark-outline {
      background-color: transparent;
      border-color: rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
    }

    .btn-dark-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(0, 210, 106, 0.1);
    }

    /* Top Bar & Header */
    .header-wrapper {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .top-bar {
      background-color: var(--secondary);
      color: #CBD5E1;
      font-size: 0.8125rem;
      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;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.2); }
      100% { opacity: 1; transform: scale(1); }
    }

    .top-bar-contacts {
      display: flex;
      gap: 20px;
    }

    .main-nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.02em;
    }

    .nav-brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, #00964b 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 900;
      font-size: 1.1rem;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
    }

    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }

    .nav-links a:hover, .nav-links a.active {
      color: var(--secondary);
    }

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

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

    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* Mobile Toggle */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 板块 01: Hero 众筹预热形态 */
    .hero-section {
      padding: 72px 0 96px;
      background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-light) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--secondary);
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-desc {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-campaign-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-md);
      margin-bottom: 32px;
    }

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

    .campaign-title {
      font-weight: 700;
      font-size: 1rem;
      color: var(--secondary);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .campaign-badge {
      background-color: rgba(255, 122, 0, 0.12);
      color: var(--accent-orange);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }

    .progress-bar-container {
      height: 12px;
      background-color: #EDF2F7;
      border-radius: var(--radius-full);
      overflow: hidden;
      margin-bottom: 16px;
    }

    .progress-bar-fill {
      height: 100%;
      width: 86%;
      background: linear-gradient(90deg, #00D26A 0%, #1C64F2 100%);
      border-radius: var(--radius-full);
    }

    .campaign-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      text-align: center;
    }

    .campaign-stat-item .val {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--secondary);
    }

    .campaign-stat-item .lbl {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .hero-tiers-preview {
      display: flex;
      gap: 12px;
      margin-bottom: 28px;
    }

    .tier-chip {
      flex: 1;
      padding: 10px 12px;
      background-color: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.8125rem;
      text-align: center;
    }

    .tier-chip strong {
      display: block;
      color: var(--secondary);
    }

    .hero-actions {
      display: flex;
      gap: 16px;
    }

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

    .hero-main-img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      border: 4px solid #FFFFFF;
      width: 100%;
      height: 480px;
      object-fit: cover;
    }

    .hero-float-card {
      position: absolute;
      bottom: -24px;
      left: -24px;
      background: #FFFFFF;
      padding: 18px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .float-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
    }

    /* 板块 02: 资讯流与热榜入口 (混合布局) */
    .stream-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 40px;
    }

    .news-stream-col h3, .hot-rank-col h3 {
      font-size: 1.375rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .stream-card {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 20px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      margin-bottom: 20px;
      transition: var(--transition);
    }

    .stream-card:hover {
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 210, 106, 0.4);
      transform: translateY(-2px);
    }

    .stream-thumb {
      width: 100%;
      height: 140px;
      border-radius: var(--radius-sm);
      object-fit: cover;
    }

    .stream-info {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .stream-meta {
      font-size: 0.75rem;
      color: var(--text-light);
      display: flex;
      gap: 12px;
      margin-bottom: 6px;
    }

    .stream-title {
      font-size: 1.0625rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .stream-summary {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .hot-list {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .hot-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .hot-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .hot-item:first-child {
      padding-top: 0;
    }

    .hot-num {
      width: 24px;
      height: 24px;
      background-color: var(--bg-light);
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8125rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .hot-item.top .hot-num {
      background-color: var(--accent-orange);
      color: #FFFFFF;
    }

    .hot-title {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 4px;
    }

    .hot-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 板块 03: 专题条与热点阵列 */
    .topics-bar-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 64px 0;
    }

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

    .topic-card {
      background: var(--bg-light);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .topic-card:hover {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }

    .topic-card .icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: #00964b;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .topic-card h4 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .topic-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 04: 底层架构与硬核规范 (5:7 栅格) */
    .arch-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 48px;
      align-items: center;
    }

    .arch-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .spec-row {
      display: flex;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    .spec-row:last-child {
      border-bottom: none;
    }

    .spec-label {
      color: var(--text-muted);
      font-size: 0.9375rem;
    }

    .spec-value {
      font-weight: 700;
      color: var(--secondary);
      font-size: 0.9375rem;
    }

    .arch-content h3 {
      font-size: 1.875rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .arch-content p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .arch-features-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .arch-feat-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--secondary);
    }

    .arch-feat-item::before {
      content: "✓";
      color: var(--primary);
      font-weight: 900;
    }

    /* 板块 05: 核心技术优势六宫格 */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .adv-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      transition: var(--transition);
      position: relative;
    }

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

    .adv-badge {
      display: inline-block;
      padding: 4px 10px;
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 16px;
    }

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

    .adv-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 06: 热门系统产品矩阵 */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .product-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .product-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: rgba(0, 210, 106, 0.5);
      transform: translateY(-6px);
    }

    .product-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .product-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .prod-type {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent-blue);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .product-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .product-desc {
      font-size: 0.9375rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .prod-checklist {
      margin-bottom: 24px;
      flex: 1;
    }

    .prod-checklist li {
      font-size: 0.875rem;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .prod-checklist li::before {
      content: "•";
      color: var(--primary);
      font-size: 1.25rem;
    }

    /* 板块 07: 高并发处理深色区 */
    .high-load-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .hl-content h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.3;
    }

    .hl-content p {
      color: #94A3B8;
      font-size: 1rem;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .metric-bars {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .bar-item-info {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 0.875rem;
    }

    .bar-shell {
      height: 8px;
      background: #1E293B;
      border-radius: var(--radius-full);
      overflow: hidden;
    }

    .bar-core {
      height: 100%;
      background: linear-gradient(90deg, var(--primary) 0%, #38BDF8 100%);
      border-radius: var(--radius-full);
    }

    .hl-console {
      background: var(--dark-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .console-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .console-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-r { background: #EF4444; }
    .dot-y { background: #F59E0B; }
    .dot-g { background: #10B981; }

    .console-content {
      font-family: monospace;
      font-size: 0.8125rem;
      color: #38BDF8;
      line-height: 1.8;
    }

    /* 板块 08: 实时运营数据条 */
    .metrics-section {
      background-color: var(--secondary);
      padding: 64px 0;
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-box h3 {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 8px;
      line-height: 1;
    }

    .metric-box p {
      font-size: 0.9375rem;
      color: #94A3B8;
      font-weight: 500;
    }

    /* 板块 09: 行业深度应用场景对比 */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .scenario-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .sc-header {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .sc-step {
      margin-bottom: 14px;
      font-size: 0.875rem;
      line-height: 1.6;
    }

    .sc-step-label {
      font-weight: 700;
      display: inline-block;
      margin-bottom: 4px;
    }

    .sc-pain { color: #DC2626; }
    .sc-sol { color: #0284C7; }
    .sc-res { color: #059669; }

    /* 板块 10: 客户企业口碑与评价墙 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 14px;
    }

    .testi-text {
      font-size: 0.9375rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--secondary);
    }

    .author-info h5 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--secondary);
    }

    .author-info span {
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* 板块 11: 数字化部署套餐对比 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      align-items: stretch;
    }

    .pricing-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: scale(1.03);
    }

    .featured-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #032110;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }

    .plan-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .plan-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }

    .plan-features {
      margin-bottom: 32px;
      flex: 1;
    }

    .plan-features li {
      font-size: 0.875rem;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .plan-features li::before {
      content: "✔";
      color: var(--primary);
      font-size: 0.875rem;
    }

    /* 板块 12: 技术准入与咨询预约 CTA */
    .cta-box {
      background: linear-gradient(135deg, var(--secondary) 0%, #152238 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: var(--shadow-lg);
    }

    .cta-inner-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .cta-text h3 {
      font-size: 2.125rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-text p {
      color: #94A3B8;
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .cta-form {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--text-main);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 210, 106, 0.2);
    }

    /* Footer */
    .footer {
      background-color: var(--secondary-dark);
      color: #94A3B8;
      padding: 80px 0 32px;
      font-size: 0.875rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 60px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col p {
      line-height: 1.8;
      margin-bottom: 16px;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

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

    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .high-load-grid, .cta-inner-grid, .stream-grid {
        grid-template-columns: 1fr;
      }
      .hero-visual-wrap {
        order: -1;
      }
      .topics-grid, .advantages-grid, .products-grid, .testimonials-grid, .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-card.featured {
        transform: none;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .top-bar-contacts {
        display: none;
      }
      .section {
        padding: 64px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-content h1 {
        font-size: 2.1rem;
      }
      .topics-grid, .advantages-grid, .products-grid, .scenarios-grid, .testimonials-grid, .pricing-grid {
        grid-template-columns: 1fr;
      }
      .stream-card {
        grid-template-columns: 1fr;
      }
      .stream-thumb {
        height: 180px;
      }
      .cta-box {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-tiers-preview {
        flex-direction: column;
      }
    }