/* roulang page: index */
/* 核心视觉变量体系：深色科技蓝 + 玻璃拟态 + 发光交互 */
    :root {
      --bg-dark: #070B14;
      --bg-card: rgba(13, 21, 39, 0.72);
      --bg-card-hover: rgba(18, 30, 56, 0.85);
      --bg-elevated: #0E182D;
      --primary-blue: #0066FF;
      --neon-cyan: #00F0FF;
      --accent-purple: #7B2CBF;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-line: rgba(0, 240, 255, 0.15);
      --border-highlight: rgba(0, 240, 255, 0.4);
      --glow-blue: 0 0 25px rgba(0, 102, 255, 0.45);
      --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.35);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      -webkit-font-smoothing: antialiased;
    }

    body {
      background-color: var(--bg-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.25s ease, opacity 0.25s ease;
    }

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

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

    /* 全局容器规范 */
    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 通用组件：发光按钮与微光卡片 */
    .btn-glow-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      background: linear-gradient(135deg, #0066FF 0%, #0044CC 100%);
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 240, 255, 0.4);
      box-shadow: 0 0 20px rgba(0, 102, 255, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.35);
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-shadow: 0 1px 2px rgba(0,0,0,0.4);
      min-height: 46px;
    }

    .btn-glow-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.7), inset 0 1px 2px rgba(255, 255, 255, 0.6);
      border-color: #00F0FF;
    }

    .btn-glow-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 26px;
      background: rgba(13, 21, 39, 0.8);
      color: var(--neon-cyan);
      font-size: 15px;
      font-weight: 500;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 240, 255, 0.3);
      cursor: pointer;
      backdrop-filter: blur(8px);
      transition: all 0.25s ease;
      min-height: 46px;
    }

    .btn-glow-secondary:hover {
      background: rgba(0, 102, 255, 0.15);
      border-color: var(--neon-cyan);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
      transform: translateY(-2px);
    }

    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
    }

    .glass-card:hover {
      border-color: var(--border-highlight);
      box-shadow: 0 10px 30px rgba(0, 102, 255, 0.2);
      transform: translateY(-3px);
    }

    .badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 600;
      border-radius: 9999px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.25);
      color: var(--neon-cyan);
      letter-spacing: 0.5px;
    }

    .badge-pulse {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      animation: pulseAnim 2s infinite;
    }

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

    /* 板块排版通用 */
    .section-block {
      padding: 85px 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .section-block.alt-bg {
      background: linear-gradient(180deg, rgba(7, 11, 20, 0.95) 0%, rgba(13, 21, 39, 0.55) 50%, rgba(7, 11, 20, 0.95) 100%);
    }

    .section-header {
      margin-bottom: 50px;
    }

    .section-header.center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.3;
      margin-top: 10px;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 顶部双行全景响应式导航 */
    .top-utility-bar {
      background: rgba(7, 11, 20, 0.92);
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
      padding: 7px 0;
      font-size: 12px;
      color: var(--text-dim);
    }

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

    .status-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-muted);
    }

    .top-contact-info {
      display: flex;
      gap: 20px;
    }

    .top-contact-info a:hover {
      color: var(--neon-cyan);
    }

    .main-nav-bar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 20, 0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-line);
      padding: 16px 0;
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-symbol {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, #0066FF, #00F0FF);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 15px rgba(0, 102, 255, 0.6);
    }

    .brand-symbol svg {
      width: 22px;
      height: 22px;
      fill: #FFFFFF;
    }

    .brand-text-logo {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: -0.5px;
      display: flex;
      flex-direction: column;
    }

    .brand-text-logo span {
      font-size: 10px;
      letter-spacing: 1.5px;
      color: var(--neon-cyan);
      font-weight: 600;
      text-transform: uppercase;
    }

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

    .nav-anchor-links a {
      font-size: 14px;
      font-weight: 500;
      color: #CBD5E1;
      position: relative;
      padding: 6px 0;
    }

    .nav-anchor-links a:hover,
    .nav-anchor-links a.active {
      color: #FFFFFF;
    }

    .nav-anchor-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--neon-cyan);
      transition: width 0.25s ease;
      box-shadow: 0 0 6px var(--neon-cyan);
    }

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

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

    .btn-console-link {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 500;
      padding: 8px 12px;
    }

    .btn-console-link:hover {
      color: #FFFFFF;
    }

    .mobile-menu-trigger {
      display: none;
      background: transparent;
      color: #FFFFFF;
      font-size: 22px;
      cursor: pointer;
      padding: 8px;
    }

    /* 1. Hero 板块：深色信息面板 + 左侧入口 + 右侧 faux 算力数据榜单 */
    .hero-section {
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 75% 25%, rgba(0, 102, 255, 0.15) 0%, rgba(7, 11, 20, 0.8) 60%),
                  url('/assets/images/7e1a5298bf1be275.webp') center/cover no-repeat;
      position: relative;
      border-bottom: 1px solid var(--border-line);
    }

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

    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: #FFFFFF;
      margin-top: 18px;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-content h1 .gradient-text {
      background: linear-gradient(135deg, #FFFFFF 20%, #00F0FF 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead-text {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
      max-width: 620px;
    }

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

    .hero-meta-strip {
      margin-top: 36px;
      display: flex;
      align-items: center;
      gap: 28px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .hero-meta-item {
      display: flex;
      flex-direction: column;
    }

    .hero-meta-num {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      font-family: monospace;
    }

    .hero-meta-label {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 右侧 faux 算力数据榜单 */
    .faux-ranking-panel {
      padding: 24px;
      background: rgba(13, 21, 39, 0.8);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 102, 255, 0.2);
    }

    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      margin-bottom: 16px;
    }

    .panel-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--neon-cyan);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .panel-badge {
      font-size: 11px;
      color: var(--text-dim);
      background: rgba(255,255,255,0.05);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .rank-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 14px;
      background: rgba(255, 255, 255, 0.02);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.04);
      transition: all 0.2s ease;
    }

    .rank-item:hover {
      background: rgba(0, 102, 255, 0.1);
      border-color: rgba(0, 240, 255, 0.3);
    }

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

    .rank-idx {
      width: 22px;
      height: 22px;
      background: rgba(0, 102, 255, 0.2);
      color: var(--neon-cyan);
      border-radius: 4px;
      font-size: 11px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .rank-model-name {
      font-size: 13px;
      font-weight: 600;
      color: #F8FAFC;
    }

    .rank-model-desc {
      font-size: 11px;
      color: var(--text-dim);
    }

    .rank-speed {
      text-align: right;
    }

    .rank-speed-val {
      font-size: 13px;
      font-weight: 700;
      color: #38BDF8;
      font-family: monospace;
    }

    .rank-speed-status {
      font-size: 10px;
      color: #10B981;
    }

    /* 2. 可信技术参数横幅 (Trust & Specs) */
    .specs-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .spec-item-box {
      padding: 24px;
      border-left: 3px solid var(--neon-cyan);
      background: rgba(13, 21, 39, 0.45);
    }

    .spec-val {
      font-size: 28px;
      font-weight: 800;
      color: #FFFFFF;
      font-family: monospace;
      margin-bottom: 4px;
    }

    .spec-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--neon-cyan);
      margin-bottom: 6px;
    }

    .spec-desc {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.5;
    }

    /* 3. 核心功能亮点 (6卡片矩阵) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      padding: 32px 28px;
    }

    .feature-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(0, 102, 255, 0.15);
      border: 1px solid rgba(0, 240, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .feature-icon-wrap svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }

    .feature-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 场景应用矩阵 (Tab切换式图文并茂) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .scenario-card {
      display: flex;
      flex-direction: column;
      overflow: hidden;
      border-radius: var(--radius-md);
      background: var(--bg-card);
      border: 1px solid var(--border-line);
    }

    .scenario-img-box {
      width: 100%;
      height: 220px;
      position: relative;
      overflow: hidden;
    }

    .scenario-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .scenario-card:hover .scenario-img-box img {
      transform: scale(1.05);
    }

    .scenario-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .scenario-tag {
      font-size: 12px;
      color: var(--neon-cyan);
      margin-bottom: 8px;
      font-weight: 600;
    }

    .scenario-title {
      font-size: 19px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }

    .scenario-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .scenario-specs-list {
      margin-top: auto;
      display: flex;
      gap: 16px;
      font-size: 12px;
      color: var(--text-dim);
      padding-top: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* 5. 流程步骤四阶段 (Flow Steps) */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-node {
      padding: 24px;
      position: relative;
    }

    .step-index-badge {
      font-size: 32px;
      font-weight: 900;
      font-family: monospace;
      color: rgba(0, 240, 255, 0.2);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-node-title {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .step-node-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 系统控制台与算力调度动态演示区 (Console Demo) */
    .console-mockup {
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      background: #0B1325;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
      overflow: hidden;
    }

    .console-topbar {
      height: 38px;
      background: #080D1A;
      display: flex;
      align-items: center;
      padding: 0 16px;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .dot-red { background: #FF5F56; }
    .dot-yellow { background: #FFBD2E; }
    .dot-green { background: #27C93F; }

    .console-address-bar {
      margin-left: 20px;
      background: rgba(255, 255, 255, 0.04);
      padding: 2px 14px;
      border-radius: 4px;
      font-size: 11px;
      color: var(--text-dim);
      font-family: monospace;
    }

    .console-body-grid {
      display: grid;
      grid-template-columns: 240px 1fr;
      min-height: 420px;
    }

    .console-sidebar {
      background: rgba(8, 13, 26, 0.7);
      border-right: 1px solid rgba(255, 255, 255, 0.05);
      padding: 20px 16px;
    }

    .console-menu-group {
      margin-bottom: 20px;
    }

    .console-menu-title {
      font-size: 11px;
      text-transform: uppercase;
      color: var(--text-dim);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 10px;
      padding-left: 8px;
    }

    .console-nav-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 9px 12px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: #94A3B8;
      cursor: pointer;
      margin-bottom: 4px;
      transition: all 0.2s ease;
    }

    .console-nav-item:hover, .console-nav-item.active {
      background: rgba(0, 102, 255, 0.18);
      color: #FFFFFF;
    }

    .console-nav-item.active {
      color: var(--neon-cyan);
      font-weight: 600;
    }

    .console-viewport {
      padding: 24px;
      background: #0B1325;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .cluster-metrics-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .metric-panel {
      background: rgba(13, 21, 39, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 16px;
      border-radius: var(--radius-sm);
    }

    .metric-panel-title {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .metric-panel-value {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      font-family: monospace;
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .metric-progress-bar {
      width: 100%;
      height: 6px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 3px;
      margin-top: 10px;
      overflow: hidden;
    }

    .metric-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #0066FF, #00F0FF);
      border-radius: 3px;
    }

    .cluster-table-wrap {
      background: rgba(13, 21, 39, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-sm);
      overflow-x: auto;
    }

    .cluster-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
      text-align: left;
    }

    .cluster-table th {
      padding: 12px 16px;
      background: rgba(255, 255, 255, 0.03);
      color: var(--text-dim);
      font-weight: 600;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .cluster-table td {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      color: #CBD5E1;
      font-family: monospace;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(16, 185, 129, 0.12);
      color: #34D399;
      border: 1px solid rgba(16, 185, 129, 0.3);
    }

    /* 7. 旗舰热门产品与算力实例卡片 */
    .products-tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .product-card {
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .product-card.featured {
      border-color: rgba(0, 240, 255, 0.5);
      background: linear-gradient(180deg, rgba(16, 27, 54, 0.85) 0%, rgba(13, 21, 39, 0.75) 100%);
      box-shadow: 0 15px 40px rgba(0, 102, 255, 0.3);
    }

    .featured-ribbon {
      position: absolute;
      top: 16px;
      right: 16px;
      background: linear-gradient(135deg, #0066FF, #00F0FF);
      color: #070B14;
      font-size: 11px;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }

    .product-type-title {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .product-sub-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }

    .product-spec-list {
      list-style: none;
      margin-bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex: 1;
    }

    .product-spec-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 13px;
      color: #CBD5E1;
    }

    .check-icon {
      color: var(--neon-cyan);
      font-weight: 700;
      margin-top: 1px;
    }

    /* 8. 标杆客户成功故事 */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .story-card {
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
    }

    .client-avatar-badge {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: rgba(0, 102, 255, 0.2);
      border: 1px solid rgba(0, 240, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--neon-cyan);
      font-size: 16px;
    }

    .client-org-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
    }

    .client-org-sector {
      font-size: 12px;
      color: var(--text-dim);
    }

    .story-quote {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .story-kpis {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .kpi-block-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--neon-cyan);
      font-family: monospace;
    }

    .kpi-block-label {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 9. 全网核心运维关键数据条 */
    .metrics-bar-section {
      background: radial-gradient(circle at center, rgba(0, 102, 255, 0.18) 0%, rgba(7, 11, 20, 0.95) 75%);
      padding: 60px 0;
      border-top: 1px solid var(--border-line);
      border-bottom: 1px solid var(--border-line);
    }

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

    .metric-data-unit {
      padding: 16px;
    }

    .metric-data-val {
      font-size: 42px;
      font-weight: 900;
      color: #FFFFFF;
      font-family: monospace;
      letter-spacing: -1px;
      background: linear-gradient(180deg, #FFFFFF 30%, #00F0FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }

    .metric-data-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 10. 多档算力计费与价格对比体系 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
    }

    .price-value-box {
      margin: 20px 0 24px 0;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .price-currency {
      font-size: 20px;
      color: var(--neon-cyan);
      font-weight: 600;
    }

    .price-num {
      font-size: 44px;
      font-weight: 900;
      color: #FFFFFF;
      font-family: monospace;
    }

    .price-cycle {
      font-size: 13px;
      color: var(--text-dim);
    }

    /* 11. 开发者口碑评价墙 */
    .reviews-masonry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-bubble {
      padding: 26px;
      background: rgba(13, 21, 39, 0.6);
    }

    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      letter-spacing: 2px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 13px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .reviewer-avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(0, 102, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      color: #FFFFFF;
    }

    .reviewer-name {
      font-size: 13px;
      font-weight: 600;
      color: #FFFFFF;
    }

    .reviewer-post {
      font-size: 11px;
      color: var(--text-dim);
    }

    /* 12. 资讯摘要 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .insight-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .insight-thumb-box {
      width: 100%;
      height: 180px;
      overflow: hidden;
    }

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

    .insight-card:hover .insight-thumb-box img {
      transform: scale(1.06);
    }

    .insight-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .insight-date {
      font-size: 12px;
      color: var(--neon-cyan);
      margin-bottom: 8px;
    }

    .insight-title {
      font-size: 17px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .insight-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex: 1;
    }

    .insight-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--neon-cyan);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 13. 高频技术解答 Accordion */
    .faq-accordion-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item-panel {
      border: 1px solid var(--border-line);
      border-radius: var(--radius-sm);
      background: rgba(13, 21, 39, 0.6);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

    .faq-item-panel[open] {
      border-color: rgba(0, 240, 255, 0.4);
      background: rgba(13, 21, 39, 0.85);
    }

    .faq-question-btn {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #FFFFFF;
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

    .faq-icon-arrow {
      color: var(--neon-cyan);
      font-size: 18px;
      transition: transform 0.25s ease;
    }

    .faq-item-panel[open] .faq-icon-arrow {
      transform: rotate(45deg);
    }

    .faq-answer-content {
      padding: 0 24px 22px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 16px;
    }

    /* 14. 转化收口区 (CTA Block) */
    .cta-glow-box {
      background: radial-gradient(circle at center, rgba(0, 102, 255, 0.3) 0%, rgba(13, 21, 39, 0.95) 70%),
                  url('/assets/images/834bbf45e58e26c5.webp') center/cover no-repeat;
      border: 1px solid rgba(0, 240, 255, 0.35);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 0 50px rgba(0, 102, 255, 0.3);
      position: relative;
    }

    .cta-box-title {
      font-size: 34px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
    }

    .cta-box-subtitle {
      font-size: 16px;
      color: #CBD5E1;
      max-width: 680px;
      margin: 0 auto 32px auto;
      line-height: 1.7;
    }

    .cta-form-inline {
      display: flex;
      max-width: 520px;
      margin: 0 auto;
      gap: 12px;
    }

    .cta-input-field {
      flex: 1;
      padding: 14px 18px;
      background: rgba(7, 11, 20, 0.8);
      border: 1px solid rgba(0, 240, 255, 0.3);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      font-size: 14px;
      outline: none;
      transition: border-color 0.25s ease;
    }

    .cta-input-field:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* 页脚企业级合规规范 */
    .site-footer {
      background: #04070D;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 65px 0 35px 0;
      color: var(--text-dim);
      font-size: 13px;
    }

    .footer-columns-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

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

    .footer-links-list a:hover {
      color: var(--neon-cyan);
    }

    .footer-brand-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-top: 12px;
      max-width: 320px;
    }

    .footer-bottom-bar {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 12px;
      color: #64748B;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .specs-strip-grid { grid-template-columns: repeat(2, 1fr); }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .products-tier-grid { grid-template-columns: 1fr; }
      .scenarios-grid { grid-template-columns: 1fr; }
      .steps-row { grid-template-columns: repeat(2, 1fr); }
      .console-body-grid { grid-template-columns: 1fr; }
      .console-sidebar { display: none; }
      .metrics-bar-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-grid { grid-template-columns: 1fr; }
      .reviews-masonry-grid { grid-template-columns: 1fr; }
      .insights-grid { grid-template-columns: 1fr; }
      .footer-columns-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-anchor-links { display: none; }
      .mobile-menu-trigger { display: block; }
      .top-utility-bar { display: none; }
      .hero-content h1 { font-size: 32px; }
      .section-title { font-size: 26px; }
      .cta-form-inline { flex-direction: column; }
      .specs-strip-grid { grid-template-columns: 1fr; }
      .features-grid { grid-template-columns: 1fr; }
      .steps-row { grid-template-columns: 1fr; }
      .metrics-bar-grid { grid-template-columns: 1fr; }
      .footer-columns-grid { grid-template-columns: 1fr; }
      .stories-grid { grid-template-columns: 1fr; }
      .cluster-metrics-row { grid-template-columns: 1fr; }
    }