/* ===== 主页专属样式 ===== */

    /* ---- Hero 区域（覆盖 common.css 的高度与标题排版） ---- */
    .hero-section {
      height: 560px;
    }

    /* 星空深色底带：比 Hero 略高，让统计条落在深色区域内 */
    .page-bg-img {
      height: 680px;
    }

    .hero-badge {
      margin-bottom: 22px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-bottom: 40px;
    }

    .btn-primary {
      background: linear-gradient(135deg, #7c3aed, #4f46e5);
      color: white;
      border: none;
      text-decoration: none;
      padding: 18px 44px;
      border-radius: 60px;
      font-weight: 600;
      font-size: 18px;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
      box-shadow: 0 8px 32px rgba(124, 58, 237, 0.35), 0 2px 8px rgba(124, 58, 237, 0.2);
      cursor: default;
      letter-spacing: 0.01em;
    }

    .btn-primary i { font-size: 18px; }

    .btn-primary:hover {
      transform: translateY(-4px) scale(1.03);
      box-shadow: 0 16px 48px rgba(124, 58, 237, 0.45), 0 4px 12px rgba(79, 70, 229, 0.3);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      color: rgba(255, 255, 255, 0.9);
      border: 1.5px solid rgba(167, 139, 250, 0.35);
      padding: 18px 44px;
      border-radius: 60px;
      font-weight: 600;
      font-size: 18px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
      cursor: default;
      letter-spacing: 0.01em;
    }

    .btn-outline i { color: #a78bfa; }

    .btn-outline:hover {
      border-color: #a78bfa;
      background: rgba(255, 255, 255, 0.15);
      box-shadow: 0 8px 28px rgba(124, 58, 237, 0.25);
      transform: translateY(-3px);
    }

    /* ---- 数据指标条 ---- */
    .stats-bar {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
      gap: 40px;
      padding: 20px 36px;
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(16px);
      border-radius: 60px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 8px 32px rgba(124, 58, 237, 0.08);
      /* 作为 Hero 最后一个元素，不再额外加下边距，避免内容被整体顶上去 */
      margin-bottom: 0;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
    }

    .stat-number {
      font-size: 28px;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.02em;
      line-height: 1;
    }

    .stat-number .accent {
      background: linear-gradient(135deg, #a78bfa, #818cf8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .stat-label {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
      font-weight: 500;
    }

    .stat-divider {
      width: 1px;
      height: 36px;
      background: rgba(255, 255, 255, 0.15);
    }

    /* ---- 特性亮点 ---- */
    .feature-highlights {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
      margin-bottom: 80px;
    }

    .highlight-chip {
      background: rgba(255, 255, 255, 0.55);
      backdrop-filter: blur(16px);
      border-radius: 20px;
      padding: 24px 28px;
      text-align: center;
      border: 1px solid rgba(124, 58, 237, 0.08);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
      transition: all 0.35s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }

    .highlight-chip:hover {
      background: rgba(255, 255, 255, 0.85);
      border-color: rgba(124, 58, 237, 0.2);
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(124, 58, 237, 0.1);
    }

    .highlight-chip .chip-icon {
      font-size: 28px;
      color: #a78bfa;
      background: rgba(124, 58, 237, 0.15);
      width: 56px;
      height: 56px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
    }

    .highlight-chip:hover .chip-icon {
      background: rgba(167, 139, 250, 0.25);
      transform: scale(1.05);
    }

    .highlight-chip .chip-text {
      font-weight: 600;
      font-size: 16px;
      color: #0b1a33;
    }

    .highlight-chip .chip-desc {
      font-size: 13px;
      color: #64748b;
      line-height: 1.5;
    }

    /* ---- 服务卡片区域 ---- */
    .section-divider {
      text-align: center;
      margin: 0 0 16px;
    }

    .section-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: #7c3aed;
      background: rgba(124, 58, 237, 0.08);
      padding: 6px 18px;
      border-radius: 20px;
      margin-bottom: 16px;
    }

    .section-title-v2 {
      text-align: center;
      margin: 0 0 48px;
    }

    .section-title-v2 h2 {
      font-size: 44px;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: #0b1a33;
      margin-bottom: 16px;
    }

    .section-title-v2 p {
      color: #64748b;
      font-size: 18px;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-bottom: 80px;
      align-items: start;
    }

    .service-card {
      background: rgba(255, 255, 255, 0.6);
      backdrop-filter: blur(12px);
      border-radius: 28px;
      padding: 32px 28px;
      border: 1px solid rgba(255, 255, 255, 0.6);
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
      transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 28px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.04), rgba(37, 99, 235, 0.04));
      opacity: 0;
      transition: opacity 0.35s;
      pointer-events: none;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 24px 56px rgba(124, 58, 237, 0.1), 0 4px 16px rgba(124, 58, 237, 0.05);
      border-color: rgba(124, 58, 237, 0.2);
      background: rgba(255, 255, 255, 0.85);
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .card-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
      position: relative;
    }

    .card-icon {
      font-size: 26px;
      color: #7c3aed;
      width: 52px;
      height: 52px;
      background: rgba(124, 58, 237, 0.08);
      border-radius: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
      flex-shrink: 0;
    }

    .service-card:hover .card-icon {
      background: rgba(124, 58, 237, 0.15);
      transform: scale(1.06);
    }

    .service-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0b1a33;
      letter-spacing: -0.01em;
    }

    .service-card .card-desc {
      color: #475569;
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    /* ---- 私有云部署区域 ---- */
    .private-cloud-section {
      background: linear-gradient(160deg, #140a3a 0%, #0f1832 30%, #0b1a33 60%, #0a1428 100%);
      border-radius: 48px;
      padding: 80px 56px;
      margin-bottom: 48px;
      color: white;
      position: relative;
      overflow: hidden;
      box-shadow: 0 40px 80px rgba(79, 70, 229, 0.25), 0 8px 30px rgba(0, 0, 0, 0.15);
      border: 1px solid rgba(124, 58, 237, 0.15);
    }

    .private-cloud-section::before {
      content: '';
      position: absolute;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(124, 58, 237, 0.2), transparent 70%);
      top: -100px;
      right: -100px;
      border-radius: 50%;
      pointer-events: none;
    }

    .private-cloud-section::after {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
      bottom: -80px;
      left: -80px;
      border-radius: 50%;
      pointer-events: none;
    }

    .private-cloud-section .cloud-content {
      position: relative;
      z-index: 1;
    }

    .private-cloud-section .cloud-header {
      text-align: center;
      margin-bottom: 60px;
    }

    .private-cloud-section .cloud-header h2 {
      font-size: 44px;
      font-weight: 800;
      letter-spacing: -0.03em;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #a78bfa 0%, #818cf8 40%, #60a5fa 70%, #c4b5fd 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .private-cloud-section .cloud-header p {
      font-size: 18px;
      opacity: 0.65;
      color: #e2e8f0;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }

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

    .cloud-feature-item {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(8px);
      border-radius: 28px;
      padding: 36px 24px;
      border: 1px solid rgba(255, 255, 255, 0.06);
      transition: all 0.4s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
      overflow: hidden;
    }

    .cloud-feature-item::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 28px;
      background: linear-gradient(180deg, rgba(124, 58, 237, 0.12), rgba(37, 99, 235, 0.04));
      opacity: 0;
      transition: opacity 0.4s;
      pointer-events: none;
    }

    .cloud-feature-item:hover {
      transform: translateY(-6px);
      border-color: rgba(124, 58, 237, 0.35);
      box-shadow: 0 20px 48px rgba(124, 58, 237, 0.2);
    }

    .cloud-feature-item:hover::before {
      opacity: 1;
    }

    .cloud-feature-item .cf-icon {
      font-size: 38px;
      color: #a78bfa;
      margin-bottom: 20px;
      background: rgba(167, 139, 250, 0.1);
      width: 72px;
      height: 72px;
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
      position: relative;
    }

    .cloud-feature-item:hover .cf-icon {
      background: rgba(167, 139, 250, 0.18);
      transform: scale(1.05);
      color: #c4b5fd;
    }

    .cloud-feature-item h4 {
      font-size: 21px;
      font-weight: 700;
      margin-bottom: 10px;
      position: relative;
      color: #f1f5f9;
    }

    .cloud-feature-item .cf-desc {
      font-size: 15px;
      opacity: 0.65;
      line-height: 1.7;
      position: relative;
      color: #cbd5e1;
    }

    .cloud-feature-item .highlight-num {
      font-size: 32px;
      font-weight: 800;
      background: linear-gradient(135deg, #a78bfa, #818cf8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: block;
      margin-bottom: 6px;
      position: relative;
      letter-spacing: -0.02em;
    }

    .cloud-feature-item .highlight-sub {
      font-size: 13px;
      color: #94a3b8;
      position: relative;
    }

    /* ---- 智能体体验 iframe ---- */
    .iframe-demo {
      max-width: 800px;
      margin: 0 auto 60px;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    }

    .iframe-demo iframe {
      display: block;
      width: 100%;
      height: 520px;
      border: none;
    }

    /* ---- CTA 区域 ---- */
    .cta-section {
      text-align: center;
      padding: 72px 0 48px;
    }

    .cta-section h2 {
      font-size: 40px;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: #0b1a33;
      margin-bottom: 20px;
    }

    .cta-section p {
      font-size: 18px;
      color: #64748b;
      margin-bottom: 36px;
      line-height: 1.6;
    }

    /* ---- 响应式 ---- */
    @media (max-width: 1400px) {
      /* 标题变小后同步收窄 Hero 与深色底带，避免下方留白过大 */
      .hero-section { height: 540px; }
      .page-bg-img { height: 660px; }
    }

    @media (max-width: 1200px) {
      .cloud-features { grid-template-columns: repeat(2, 1fr); }
      .private-cloud-section { padding: 60px 36px; }
      .hero-section { height: 520px; }
      .page-bg-img { height: 640px; }
    }

    @media (max-width: 1024px) {
      .card-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .feature-highlights { grid-template-columns: repeat(2, 1fr); gap: 16px; }
      .stats-bar { gap: 20px; padding: 16px 24px; border-radius: 40px; }
      .stat-number { font-size: 22px; }
      .stat-label { font-size: 12px; }
      .stat-divider { height: 28px; }
      .section-title-v2 h2 { font-size: 36px; }
      .private-cloud-section .cloud-header h2 { font-size: 36px; }
      .hero-section { height: 500px; }
      .page-bg-img { height: 620px; }
    }

    @media (max-width: 768px) {
      .card-grid { grid-template-columns: 1fr; gap: 20px; }
      .feature-highlights { grid-template-columns: 1fr; }
      .cloud-features { grid-template-columns: 1fr; }
      .stats-bar { gap: 12px; padding: 14px 16px; }
      .stat-number { font-size: 20px; }
      .stat-label { font-size: 11px; }
      .stat-divider { height: 24px; }
      .private-cloud-section { padding: 48px 24px; border-radius: 32px; }
      .private-cloud-section .cloud-header h2 { font-size: 30px; }
      .section-title-v2 h2 { font-size: 30px; }
      .iframe-demo iframe { height: 420px; }
      .btn-primary, .btn-outline { padding: 16px 32px; font-size: 16px; }
      .cta-section h2 { font-size: 30px; }
      .hero-actions { margin-bottom: 28px; }
      .hero-section { height: 480px; }
      .page-bg-img { height: 590px; }
    }

    @media (max-width: 480px) {
      .hero-badge { font-size: 12px; padding: 8px 18px; }
      .private-cloud-section { padding: 36px 18px; border-radius: 24px; }
      .hero-section { height: 500px; }
      .page-bg-img { height: 610px; }
    }