/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-glow: rgba(37, 99, 235, 0.25);
      --secondary: #0ea5e9;
      --dark-bg: #090d16;
      --dark-card: #111827;
      --dark-border: #1f293d;
      --light-bg: #f8fafc;
      --light-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --text-light: #f1f5f9;
      --text-light-muted: #94a3b8;
      --accent-red: #ef4444;
      --accent-emerald: #10b981;
      --border-color: #e2e8f0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 20px -2px rgba(0,0,0,0.08);
      --shadow-xl: 0 20px 40px -15px rgba(0,0,0,0.25);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      color: var(--text-main);
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-wrap {
      padding: 90px 0;
      position: relative;
    }

    .section-bg-alt {
      background-color: var(--light-bg);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-header {
      margin-bottom: 48px;
    }
    .section-header.center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      border-radius: 9999px;
      margin-bottom: 16px;
      background: rgba(37, 99, 235, 0.1);
      color: var(--primary);
    }
    .badge.badge-dark {
      background: rgba(14, 165, 233, 0.15);
      color: #38bdf8;
      border: 1px solid rgba(56, 189, 248, 0.25);
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: inherit;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-bg-dark .section-desc {
      color: var(--text-light-muted);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(9, 13, 22, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--dark-border);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #ffffff;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, #2563eb, #0ea5e9);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px var(--primary-glow);
    }
    .brand-logo-icon svg {
      width: 22px;
      height: 22px;
      fill: none;
      stroke: #ffffff;
      stroke-width: 2.2;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-light-muted);
    }
    .nav-link:hover, .nav-link.active {
      color: #ffffff;
    }
    .btn-header {
      background: var(--primary);
      color: #ffffff;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid rgba(255,255,255,0.1);
    }
    .btn-header:hover {
      background: var(--primary-dark);
      box-shadow: 0 0 15px var(--primary-glow);
    }

    /* 首屏 Hero */
    .hero-banner {
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
                  linear-gradient(180deg, #090d16 0%, #0d1527 100%);
      color: #ffffff;
      padding: 100px 0 90px;
      overflow: hidden;
      border-bottom: 1px solid var(--dark-border);
    }
    .hero-bg-layer {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/ab4e915dd518c4c2.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 9999px;
      background: rgba(37, 99, 235, 0.2);
      border: 1px solid rgba(56, 189, 248, 0.3);
      color: #7dd3fc;
      font-size: 13px;
      margin-bottom: 24px;
    }
    .hero-badge-tag .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #38bdf8;
      box-shadow: 0 0 10px #38bdf8;
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, #ffffff 40%, #7dd3fc 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.85;
      color: var(--text-light-muted);
      margin-bottom: 36px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }
    .btn-main {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #2563eb, #1d4ed8);
      color: #ffffff;
      padding: 14px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.15);
      box-shadow: 0 4px 20px var(--primary-glow);
    }
    .btn-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 24px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.2);
      color: #ffffff;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
    }
    .hero-card-preview {
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
      position: relative;
    }
    .preview-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--dark-border);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }
    .preview-dots {
      display: flex;
      gap: 6px;
    }
    .preview-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }
    .preview-tag {
      font-size: 12px;
      color: #38bdf8;
      background: rgba(56, 189, 248, 0.1);
      padding: 3px 10px;
      border-radius: 4px;
    }
    .preview-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 20px;
    }
    .metric-card-inner {
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--dark-border);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .metric-card-label {
      font-size: 12px;
      color: var(--text-light-muted);
      margin-bottom: 6px;
    }
    .metric-card-value {
      font-size: 22px;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      align-items: baseline;
      gap: 6px;
    }
    .metric-card-value small {
      font-size: 12px;
      color: var(--accent-emerald);
    }
    .preview-chart-mock {
      height: 130px;
      background: linear-gradient(180deg, rgba(37,99,235,0.15) 0%, rgba(37,99,235,0) 100%);
      border-left: 1px solid var(--dark-border);
      border-bottom: 1px solid var(--dark-border);
      position: relative;
      overflow: hidden;
      border-radius: 0 0 6px 6px;
    }
    .chart-poly {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 80%;
      stroke: #38bdf8;
      fill: none;
      stroke-width: 2.5;
    }

    /* 网格通用布局 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }

    /* 卡片标准 */
    .feature-card {
      background: var(--light-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .card-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(37, 99, 235, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .card-icon-wrap svg {
      width: 26px;
      height: 26px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
    }
    .feature-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 痛点比对卡片 */
    .pain-card {
      background: #ffffff;
      border: 1px solid #fee2e2;
      border-top: 4px solid var(--accent-red);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .pain-card h4 {
      color: #991b1b;
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .pain-card p {
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
    }

    /* 架构步骤横向排布 */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
    }
    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: #e2e8f0;
      line-height: 1;
      margin-bottom: 14px;
    }
    .step-item h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .step-item p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 数据指标条 */
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-big-item {
      background: rgba(255,255,255,0.04);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-md);
      padding: 32px 20px;
    }
    .metric-big-num {
      font-size: 40px;
      font-weight: 800;
      color: #38bdf8;
      line-height: 1;
      margin-bottom: 10px;
    }
    .metric-big-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .metric-big-desc {
      font-size: 13px;
      color: var(--text-light-muted);
    }

    /* 图文并茂展板 */
    .media-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 60px;
    }
    .media-block.reverse {
      grid-template-columns: 1fr 1fr;
      direction: rtl;
    }
    .media-block.reverse .media-content {
      direction: ltr;
    }
    .media-block.reverse .media-img-wrap {
      direction: ltr;
    }
    .media-img-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }
    .media-img-wrap img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .media-img-wrap:hover img {
      transform: scale(1.03);
    }
    .media-content h3 {
      font-size: 26px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .media-content p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .media-list {
      list-style: none;
    }
    .media-list li {
      position: relative;
      padding-left: 24px;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 10px;
      font-weight: 500;
    }
    .media-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    /* 客户证言 / 口碑 */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .testimonial-quote {
      font-size: 14.5px;
      color: #334155;
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: italic;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .testimonial-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testimonial-info h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .testimonial-info p {
      font-size: 12.5px;
      color: var(--text-muted);
    }

    /* 套餐对比矩阵 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .pricing-card.featured {
      border-color: var(--primary);
      box-shadow: 0 10px 30px -10px rgba(37,99,235,0.25);
    }
    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--primary);
      color: #ffffff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 9999px;
    }
    .pricing-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .pricing-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      margin-bottom: 20px;
      min-height: 40px;
    }
    .pricing-price {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 24px;
    }
    .pricing-price span {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 400;
    }
    .pricing-features {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .pricing-features li {
      font-size: 13.5px;
      color: #475569;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .pricing-btn {
      width: 100%;
      text-align: center;
      padding: 12px 0;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      color: var(--text-main);
    }
    .pricing-card.featured .pricing-btn {
      background: var(--primary);
      border-color: var(--primary);
      color: #ffffff;
    }
    .pricing-btn:hover {
      background: var(--primary-dark);
      color: #ffffff;
      border-color: var(--primary-dark);
    }

    /* SLA 服务等级表格卡 */
    .sla-banner {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .sla-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .sla-item {
      padding: 16px;
      border-left: 3px solid var(--primary);
      background: #f8fafc;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .sla-item h5 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .sla-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 话题标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 24px;
    }
    .tag-cloud-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: 9999px;
      font-size: 13.5px;
      color: #334155;
      font-weight: 500;
      box-shadow: var(--shadow-sm);
    }
    .tag-cloud-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #eff6ff;
    }

    /* 最新动态 Table-like */
    .update-table {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .table-row {
      display: grid;
      grid-template-columns: 160px 1.5fr 1fr 120px;
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      align-items: center;
      font-size: 14px;
    }
    .table-row:last-child {
      border-bottom: none;
    }
    .table-row.head {
      background: #f8fafc;
      font-weight: 700;
      color: #475569;
      font-size: 13px;
    }
    .table-status {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
      text-align: center;
      background: #e0f2fe;
      color: #0369a1;
    }

    /* 适用人群与业务线矩阵 */
    .persona-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .persona-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }
    .persona-badge {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .persona-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .persona-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 资讯列表网格 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .news-card-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-card-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-card h4 {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 风险提示合规条 */
    .compliance-alert {
      background: #f1f5f9;
      border-left: 4px solid #64748b;
      padding: 18px 24px;
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      color: #475569;
      line-height: 1.7;
      margin-top: 40px;
    }

    /* 唯一收口 CTA */
    .cta-banner {
      background: linear-gradient(135deg, #090d16 0%, #1e293b 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #ffffff;
      text-align: center;
      position: relative;
      overflow: hidden;
      border: 1px solid var(--dark-border);
      box-shadow: var(--shadow-xl);
    }
    .cta-banner h2 {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .cta-banner p {
      font-size: 16px;
      color: var(--text-light-muted);
      max-width: 680px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }
    .cta-form {
      display: flex;
      max-width: 520px;
      margin: 0 auto;
      gap: 10px;
    }
    .cta-input {
      flex: 1;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.2);
      background: rgba(255,255,255,0.08);
      color: #ffffff;
      font-size: 14px;
      outline: none;
    }
    .cta-input::placeholder {
      color: #94a3b8;
    }
    .cta-input:focus {
      border-color: #38bdf8;
      background: rgba(255,255,255,0.12);
    }
    .cta-submit {
      padding: 14px 26px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      color: #ffffff;
      border: none;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
    }
    .cta-submit:hover {
      background: var(--primary-dark);
    }

    /* 统一页脚 */
    .site-footer {
      background: #090d16;
      border-top: 1px solid var(--dark-border);
      color: var(--text-light-muted);
      padding: 60px 0 30px;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 13.5px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid var(--dark-border);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .grid-4, .steps-row, .metrics-bar-grid, .sla-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-grid, .persona-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .section-wrap {
        padding: 60px 0;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .grid-3, .grid-2, .pricing-grid, .persona-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .media-block, .media-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 24px;
      }
      .table-row {
        grid-template-columns: 1fr;
        gap: 6px;
      }
      .table-row.head {
        display: none;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .grid-4, .steps-row, .metrics-bar-grid, .sla-grid {
        grid-template-columns: 1fr;
      }
      .hero-actions {
        flex-direction: column;
        width: 100%;
      }
      .btn-main, .btn-outline {
        width: 100%;
        justify-content: center;
      }
    }