/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --primary-light: #EFF6FF;
      --accent: #4F46E5;
      --accent-cyan: #0284C7;
      --success: #059669;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #090D16;
      --bg-dark-card: #111827;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-light: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
      --container-max: 1280px;
    }

    * {
      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, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    .font-mono {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    }

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

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

    button, input, select {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    /* 顶部微型信息条 */
    .top-bar {
      background-color: #0F172A;
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0.45rem 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: #E2E8F0;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
    }
    .brand-tag {
      font-size: 0.7rem;
      background-color: var(--primary-light);
      color: var(--primary);
      padding: 0.15rem 0.45rem;
      border-radius: 4px;
      margin-left: 0.35rem;
      font-weight: 600;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 1.75rem;
    }
    .nav-link {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 0.5rem 0;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.6rem 1.35rem;
      background: var(--primary);
      color: #fff;
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: 9999px;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
      border: 1px solid transparent;
      cursor: pointer;
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
      transform: translateY(-1px);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      color: var(--text-main);
    }

    /* 通用Section */
    .section-wrap {
      padding: 5.5rem 0;
      position: relative;
    }
    .section-bg-white {
      background-color: var(--bg-white);
    }
    .section-bg-slate {
      background-color: #F1F5F9;
    }
    .section-bg-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      margin-bottom: 3.5rem;
      max-width: 820px;
    }
    .section-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .badge-sub {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.8125rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      padding: 0.3rem 0.8rem;
      border-radius: 9999px;
      margin-bottom: 1rem;
    }
    .badge-primary {
      background-color: var(--primary-light);
      color: var(--primary);
      border: 1px solid rgba(37, 99, 235, 0.2);
    }
    .badge-dark {
      background-color: rgba(255, 255, 255, 0.1);
      color: #60A5FA;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .badge-emerald {
      background-color: #ECFDF5;
      color: #059669;
      border: 1px solid rgba(5, 150, 105, 0.2);
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      color: inherit;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-light);
      line-height: 1.7;
    }
    .section-bg-dark .section-desc {
      color: #94A3B8;
    }

    /* Hero 板块：预约到店、服务卖点 + 时段选择视觉 + 预约 CTA */
    .hero-section {
      position: relative;
      background: linear-gradient(180deg, #0A101D 0%, #0F172A 100%);
      color: #fff;
      padding: 4.5rem 0 6rem;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      opacity: 0.16;
      background-image: url('/assets/images/7ce5d704071bacdf.webp');
      background-size: cover;
      background-position: center;
      mix-blend-mode: overlay;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3.5rem;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(30, 64, 175, 0.35);
      border: 1px solid rgba(96, 165, 250, 0.3);
      color: #93C5FD;
      font-size: 0.85rem;
      padding: 0.35rem 0.9rem;
      border-radius: 9999px;
      margin-bottom: 1.25rem;
    }
    .hero-title {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.03em;
      margin-bottom: 1.25rem;
      background: linear-gradient(135deg, #FFFFFF 30%, #93C5FD 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.05rem;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 2rem;
    }
    .hero-bullets {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.85rem 1.5rem;
      margin-bottom: 2.25rem;
    }
    .hero-bullet-item {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.925rem;
      color: #E2E8F0;
    }
    .hero-bullet-item svg {
      width: 18px;
      height: 18px;
      color: #38BDF8;
      flex-shrink: 0;
    }

    /* Hero 右侧：时段选择与预约卡片 */
    .booking-card {
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-xl);
      padding: 2.25rem;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }
    .booking-header {
      margin-bottom: 1.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 1.2rem;
    }
    .booking-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 0.35rem;
    }
    .booking-desc {
      font-size: 0.85rem;
      color: #94A3B8;
    }
    .form-group {
      margin-bottom: 1.15rem;
    }
    .form-label {
      display: block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: #CBD5E1;
      margin-bottom: 0.45rem;
    }
    .form-input, .form-select {
      width: 100%;
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 0.7rem 0.95rem;
      color: #fff;
      font-size: 0.875rem;
      outline: none;
      transition: all 0.2s;
    }
    .form-input:focus, .form-select:focus {
      border-color: #38BDF8;
      box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
    }
    .slot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.5rem;
      margin-top: 0.4rem;
    }
    .slot-item {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      padding: 0.45rem 0.2rem;
      text-align: center;
      font-size: 0.75rem;
      color: #94A3B8;
      cursor: pointer;
      transition: all 0.2s;
    }
    .slot-item:hover, .slot-item.active {
      border-color: #38BDF8;
      background: rgba(14, 165, 233, 0.18);
      color: #38BDF8;
      font-weight: 600;
    }
    .booking-btn {
      width: 100%;
      padding: 0.85rem;
      background: linear-gradient(135deg, #2563EB, #4F46E5);
      border: none;
      color: #fff;
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      margin-top: 0.5rem;
      box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
      transition: all 0.2s;
    }
    .booking-btn:hover {
      background: linear-gradient(135deg, #1D4ED8, #4338CA);
      transform: translateY(-1px);
    }

    /* 板块二：功能亮点 (6卡网格) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2rem;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
      border-color: #BFDBFE;
    }
    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.25rem;
    }
    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: var(--text-main);
    }
    .feature-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块三：场景矩阵 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .scenario-card {
      background: var(--bg-white);
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
      display: flex;
      flex-direction: column;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
    }
    .scenario-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .scenario-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .scenario-card:hover .scenario-img-wrap img {
      transform: scale(1.05);
    }
    .scenario-body {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scenario-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }
    .scenario-body p {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      line-height: 1.6;
    }
    .scenario-tags {
      margin-top: auto;
      display: flex;
      flex-wrap: wrap;
      gap: 0.45rem;
    }
    .scenario-tag {
      font-size: 0.75rem;
      background: #F1F5F9;
      color: #475569;
      padding: 0.25rem 0.6rem;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 板块四：流程步骤 (4列水平流) */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
    }
    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.85rem 1.5rem;
      position: relative;
    }
    .step-num {
      font-size: 2.25rem;
      font-weight: 800;
      color: #DBEAFE;
      line-height: 1;
      margin-bottom: 1rem;
    }
    .step-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.65rem;
      color: var(--text-main);
    }
    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块五：截图/演示 (深色控制台舞台) */
    .console-stage {
      background: #0B1120;
      border: 1px solid #1E293B;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
    }
    .console-header-bar {
      background: #111827;
      padding: 0.9rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #1E293B;
    }
    .window-dots {
      display: flex;
      gap: 0.45rem;
    }
    .dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
    }
    .dot.red { background-color: #EF4444; }
    .dot.yellow { background-color: #F59E0B; }
    .dot.green { background-color: #10B981; }
    .console-title-pill {
      font-size: 0.8rem;
      color: #94A3B8;
      background: #1F2937;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
    }
    .console-body {
      display: grid;
      grid-template-columns: 320px 1fr;
      min-height: 480px;
    }
    .console-sidebar {
      background: #090D16;
      border-right: 1px solid #1E293B;
      padding: 1.5rem;
    }
    .sidebar-section-title {
      font-size: 0.75rem;
      color: #64748B;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 0.85rem;
    }
    .index-stat-card {
      background: #111827;
      border: 1px solid #1F2937;
      border-radius: var(--radius-sm);
      padding: 0.85rem;
      margin-bottom: 0.75rem;
    }
    .index-stat-num {
      font-size: 1.15rem;
      font-weight: 700;
      color: #38BDF8;
    }
    .index-stat-label {
      font-size: 0.75rem;
      color: #94A3B8;
    }
    .console-main-view {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      background: radial-gradient(circle at 90% 10%, rgba(30, 64, 175, 0.15), transparent 45%);
    }
    .search-mock-bar {
      background: #1E293B;
      border: 1px solid #334155;
      border-radius: var(--radius-md);
      padding: 0.75rem 1.15rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      color: #F8FAFC;
    }
    .search-mock-input {
      background: transparent;
      border: none;
      outline: none;
      color: #fff;
      font-size: 0.95rem;
      flex-grow: 1;
    }
    .search-result-snippet {
      background: rgba(30, 41, 59, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 1.25rem;
    }
    .snippet-score {
      display: inline-block;
      font-size: 0.725rem;
      padding: 0.15rem 0.5rem;
      background: rgba(16, 185, 129, 0.2);
      color: #34D399;
      border-radius: 4px;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .snippet-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #E2E8F0;
      margin-bottom: 0.4rem;
    }
    .snippet-text {
      font-size: 0.875rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块六：客户证言 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2.25rem;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .quote-icon {
      font-size: 2.5rem;
      color: #DBEAFE;
      line-height: 1;
      margin-bottom: 1rem;
    }
    .testimonial-content {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }
    .client-meta {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      border-top: 1px solid var(--border-color);
      padding-top: 1rem;
    }
    .client-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .client-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .client-role {
      font-size: 0.8125rem;
      color: var(--text-light);
    }

    /* 板块七：套餐对比 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      align-items: stretch;
    }
    .pricing-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 2.5rem 2rem;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 10px 30px -10px rgba(30, 64, 175, 0.2);
      transform: scale(1.02);
    }
    .pricing-badge-popular {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      letter-spacing: 0.05em;
    }
    .plan-name {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }
    .plan-desc {
      font-size: 0.875rem;
      color: var(--text-light);
      margin-bottom: 1.5rem;
      min-height: 42px;
    }
    .plan-price {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 1.5rem;
      display: flex;
      align-items: baseline;
      gap: 0.35rem;
    }
    .plan-price span {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-light);
    }
    .plan-feature-list {
      list-style: none;
      margin-bottom: 2rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .plan-feature-item {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .plan-feature-item svg {
      width: 16px;
      height: 16px;
      color: var(--success);
      flex-shrink: 0;
    }
    .plan-btn {
      display: block;
      width: 100%;
      text-align: center;
      padding: 0.85rem;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 600;
      transition: all 0.2s;
      cursor: pointer;
    }
    .plan-btn-outline {
      border: 1px solid var(--border-color);
      color: var(--text-main);
      background: transparent;
    }
    .plan-btn-outline:hover {
      background: var(--bg-main);
      border-color: #CBD5E1;
    }
    .plan-btn-primary {
      background: var(--primary);
      color: #fff;
      border: 1px solid transparent;
    }
    .plan-btn-primary:hover {
      background: var(--primary-hover);
    }

    /* 板块八：深度技术架构解析 */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .arch-card {
      background: #111827;
      border: 1px solid #1E293B;
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      position: relative;
    }
    .arch-layer-index {
      font-size: 0.75rem;
      color: #38BDF8;
      font-weight: 700;
      margin-bottom: 0.5rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .arch-card h3 {
      font-size: 1.15rem;
      color: #F8FAFC;
      margin-bottom: 0.75rem;
    }
    .arch-card p {
      font-size: 0.85rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块九：实时关键效能指标 */
    .metrics-strip {
      background: #0F172A;
      border-top: 1px solid #1E293B;
      border-bottom: 1px solid #1E293B;
      padding: 3.5rem 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .metric-value {
      font-size: 2.75rem;
      font-weight: 800;
      color: #38BDF8;
      line-height: 1.1;
      margin-bottom: 0.5rem;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 0.25rem;
    }
    .metric-sub {
      font-size: 0.8rem;
      color: #64748B;
    }

    /* 板块十：前沿资讯与动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }
    .news-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-3px);
    }
    .news-img-box {
      height: 180px;
      overflow: hidden;
    }
    .news-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.75rem;
      color: var(--text-light);
      margin-bottom: 0.5rem;
    }
    .news-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 0.75rem;
      color: var(--text-main);
    }
    .news-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }
    .news-anchor {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    /* 板块十一：生态兼容伙伴墙 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1.25rem;
    }
    .partner-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem 1rem;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transition: all 0.25s;
    }
    .partner-item:hover {
      border-color: #93C5FD;
      box-shadow: var(--shadow-sm);
    }
    .partner-name {
      font-size: 0.925rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.25rem;
    }
    .partner-tag {
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* 板块十二：安全合规保障条 */
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .compliance-card {
      background: #0B1120;
      border: 1px solid #1E293B;
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      display: flex;
      align-items: flex-start;
      gap: 1rem;
    }
    .compliance-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(56, 189, 248, 0.1);
      color: #38BDF8;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .compliance-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 0.25rem;
    }
    .compliance-desc {
      font-size: 0.8rem;
      color: #94A3B8;
      line-height: 1.5;
    }

    /* 板块十三：下载与接入引导 / 预约收口 */
    .download-cta-box {
      background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #3B82F6 100%);
      border-radius: var(--radius-xl);
      padding: 4rem 3rem;
      color: #fff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 3rem;
      align-items: center;
      box-shadow: 0 20px 40px -15px rgba(30, 64, 175, 0.4);
    }
    .cta-heading {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 1rem;
    }
    .cta-paragraph {
      font-size: 1rem;
      color: #DBEAFE;
      line-height: 1.7;
      margin-bottom: 1.75rem;
    }
    .cta-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .btn-cta-white {
      background: #FFFFFF;
      color: var(--primary);
      font-weight: 700;
      padding: 0.85rem 1.85rem;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
    }
    .btn-cta-white:hover {
      background: #F8FAFC;
      transform: translateY(-2px);
    }
    .btn-cta-ghost {
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: #FFFFFF;
      font-weight: 600;
      padding: 0.85rem 1.85rem;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
    }
    .btn-cta-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
    }
    .download-quick-panel {
      background: rgba(15, 23, 42, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 2rem;
      backdrop-filter: blur(8px);
    }
    .panel-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.875rem;
    }
    .panel-row:last-child {
      border-bottom: none;
    }
    .panel-row-label {
      color: #BFDBFE;
    }
    .panel-row-val {
      font-weight: 600;
      color: #fff;
    }

    /* 页脚设计 */
    .site-footer {
      background-color: #090D16;
      color: #94A3B8;
      border-top: 1px solid #1E293B;
      padding: 4.5rem 0 2rem;
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-brand-desc {
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 1.25rem;
    }
    .footer-heading {
      font-size: 0.95rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 1.25rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .footer-links a:hover {
      color: #38BDF8;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      padding-top: 2rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 1.5rem;
      font-size: 0.8125rem;
      color: #64748B;
    }
    .footer-badges {
      display: flex;
      align-items: center;
      gap: 1.25rem;
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      bottom: 0;
      background: #0F172A;
      z-index: 99;
      padding: 2rem 1.5rem;
      flex-direction: column;
      gap: 1.5rem;
    }
    .mobile-drawer.open {
      display: flex;
    }
    .mobile-drawer a {
      font-size: 1.1rem;
      color: #F8FAFC;
      font-weight: 600;
      border-bottom: 1px solid #1E293B;
      padding-bottom: 0.85rem;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
      }
      .features-grid, .scenario-grid, .testimonial-grid, .pricing-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-row, .arch-flow-grid, .compliance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .download-cta-box {
        grid-template-columns: 1fr;
        padding: 2.5rem;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
      }
    }

    @media (max-width: 768px) {
      .nav-menu, .nav-cta-btn {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-bullets {
        grid-template-columns: 1fr;
      }
      .features-grid, .scenario-grid, .testimonial-grid, .pricing-grid, .news-grid, .partner-grid {
        grid-template-columns: 1fr;
      }
      .steps-row, .arch-flow-grid, .compliance-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .console-body {
        grid-template-columns: 1fr;
      }
      .console-sidebar {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }