/* roulang page: index */
:root {
      --primary: #0B3C49;
      --mint: #00E599;
      --orange: #FF5722;
      --gold: #D4AF37;
      --gold-dark: #8C6D23;
      --bg-dark: #0D1316;
      --bg-card: #151D22;
      --bg-light: #F4F7F6;
      --text-dark: #0E171A;
      --text-muted: #718096;
      --text-light: #E2E8F0;
      --white: #FFFFFF;
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-light: rgba(11, 60, 73, 0.1);
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 16px 36px -8px rgba(11, 60, 73, 0.12);
      --radius: 16px;
      --radius-sm: 8px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
      line-height: 1.8;
      color: #334155;
      background-color: var(--bg-light);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部服务信息栏 */
    .top-bar {
      background-color: #061A20;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .top-bar-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--mint);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--mint);
    }

    /* 核心导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 60, 73, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 229, 153, 0.2);
    }
    .nav-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      font-size: 22px;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-badge {
      font-size: 11px;
      background: linear-gradient(135deg, var(--gold), var(--gold-dark));
      color: #000;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    .main-nav {
      display: flex;
      gap: 24px;
      align-items: center;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: #CBD5E1;
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--mint);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--mint);
    }
    .btn-nav-action {
      background: var(--mint);
      color: #082830;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: 30px;
      font-size: 14px;
      box-shadow: 0 4px 14px rgba(0, 229, 153, 0.3);
    }
    .btn-nav-action:hover {
      background: #00FFAC;
      transform: translateY(-2px);
    }

    /* 板块共有标准 */
    section {
      padding: 90px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 50px;
      text-align: center;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--primary);
      background: rgba(11, 60, 73, 0.08);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .section-eyebrow.gold {
      color: var(--gold);
      background: rgba(212, 175, 55, 0.15);
      border: 1px solid rgba(212, 175, 55, 0.3);
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-lead {
      max-width: 760px;
      margin: 0 auto;
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 1. 首屏视觉看板区 (黑金俱乐部尊享视觉) */
    .hero-vip {
      background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.15), transparent 45%),
                  radial-gradient(circle at 10% 80%, rgba(0, 229, 153, 0.12), transparent 40%),
                  linear-gradient(180deg, #071318 0%, #0D1C22 100%);
      color: var(--text-light);
      padding: 100px 0 120px;
      border-bottom: 1px solid rgba(212, 175, 55, 0.25);
      position: relative;
      overflow: hidden;
    }
    .hero-bg-cover {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/1604c57d61a85219.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .vip-tag-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .vip-badge-pill {
      background: linear-gradient(90deg, #FFD700, #FFA500);
      color: #1A1300;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }
    .hero-h1 {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: #FFFFFF;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }
    .hero-h1 span {
      background: linear-gradient(90deg, #FFFFFF, var(--mint));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-summary {
      font-size: 17px;
      color: #A0AEC0;
      margin-bottom: 36px;
      line-height: 1.85;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
      flex-wrap: wrap;
    }
    .btn-gold {
      background: linear-gradient(135deg, #ECC94B, #D69E2E);
      color: #1A1A1A;
      font-weight: 800;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      font-size: 16px;
      box-shadow: 0 8px 24px rgba(214, 158, 46, 0.35);
    }
    .btn-gold:hover {
      background: linear-gradient(135deg, #F6E05E, #ECC94B);
      transform: translateY(-3px);
    }
    .btn-outline-mint {
      border: 1px solid var(--mint);
      color: var(--mint);
      font-weight: 700;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      font-size: 16px;
      background: rgba(0, 229, 153, 0.05);
    }
    .btn-outline-mint:hover {
      background: rgba(0, 229, 153, 0.15);
      transform: translateY(-3px);
    }

    /* 首屏右侧仪表舱模拟槽位 */
    .hero-card-panel {
      background: rgba(21, 29, 34, 0.85);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(212, 175, 55, 0.3);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 20px;
    }
    .panel-stream-status {
      font-size: 13px;
      color: var(--mint);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .data-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 14px;
      padding: 12px 14px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: 8px;
      border-left: 3px solid var(--mint);
    }
    .data-label {
      font-size: 14px;
      color: #94A3B8;
    }
    .data-val {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
    }
    .panel-vip-privilege {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px dashed rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .privilege-desc {
      font-size: 12px;
      color: #D4AF37;
    }

    /* 2. 适用客群专属赋能区 */
    .audience-section {
      background-color: var(--white);
    }
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .audience-card {
      background: #F8FAFA;
      border-radius: var(--radius);
      padding: 32px 24px;
      border: 1px solid #E2E8F0;
      transition: all 0.3s;
      position: relative;
    }
    .audience-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--mint);
    }
    .audience-type {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 12px;
      display: inline-block;
    }
    .audience-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 14px;
    }
    .audience-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .audience-list {
      list-style: none;
    }
    .audience-list li {
      font-size: 13px;
      color: #475569;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .audience-list li::before {
      content: '✔';
      color: var(--mint);
      font-weight: 900;
    }

    /* 3. 业务适配对照区 (谁适合/谁不适合) */
    .fit-section {
      background-color: #F1F5F7;
    }
    .fit-comparison-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .fit-column {
      background: var(--white);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .fit-column.suitable {
      border-top: 4px solid var(--mint);
    }
    .fit-column.unsuitable {
      border-top: 4px solid #94A3B8;
    }
    .fit-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .fit-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 18px;
    }
    .suitable .fit-icon {
      background: rgba(0, 229, 153, 0.15);
      color: #059669;
    }
    .unsuitable .fit-icon {
      background: rgba(148, 163, 184, 0.2);
      color: #64748B;
    }
    .fit-head-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
    }
    .fit-item {
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid #EDF2F7;
    }
    .fit-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .fit-sub {
      font-size: 15px;
      font-weight: 700;
      color: #1E293B;
      margin-bottom: 6px;
    }
    .fit-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 4. 架构方案匹配与功能矩阵 (6卡片) */
    .strengths-section {
      background-color: var(--white);
    }
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius);
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .matrix-card:hover {
      border-color: var(--mint);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .matrix-num {
      font-size: 13px;
      font-weight: 900;
      color: var(--mint);
      background: #E6FBF4;
      display: inline-block;
      padding: 2px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .matrix-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .matrix-detail {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 5. 热门互动产品矩阵区 (3卡片带封面) */
    .products-section {
      background: #0E161A;
      color: #FFFFFF;
    }
    .products-section .section-title {
      color: #FFFFFF;
    }
    .products-section .section-lead {
      color: #94A3B8;
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-box {
      background: #172227;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }
    .product-box:hover {
      border-color: var(--mint);
      transform: translateY(-6px);
    }
    .product-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
      background: #233138;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }
    .product-box:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 11px;
      background: rgba(0, 229, 153, 0.15);
      color: var(--mint);
      border: 1px solid var(--mint);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .product-name {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #FFFFFF;
    }
    .product-desc {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .spec-list {
      list-style: none;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 14px;
      margin-bottom: 20px;
    }
    .spec-list li {
      font-size: 12px;
      color: #CBD5E1;
      display: flex;
      justify-content: space-between;
      margin-bottom: 6px;
    }
    .btn-product {
      display: block;
      text-align: center;
      background: rgba(255, 255, 255, 0.08);
      color: var(--white);
      padding: 10px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 14px;
    }
    .btn-product:hover {
      background: var(--mint);
      color: #061A20;
    }

    /* 6. 场景演练区 (交错图文) */
    .scenario-section {
      background: var(--white);
    }
    .scenario-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      margin-bottom: 60px;
    }
    .scenario-row:last-child {
      margin-bottom: 0;
    }
    .scenario-row.reverse {
      direction: rtl;
    }
    .scenario-row.reverse .scenario-info {
      direction: ltr;
    }
    .scenario-img-box {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      height: 320px;
      background-color: #EDF2F7;
    }
    .scenario-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scenario-info h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 16px;
    }
    .scenario-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    /* 7. 关键运营数据统计条 */
    .metrics-bar {
      background: linear-gradient(135deg, #092830 0%, #031418 100%);
      color: var(--white);
      padding: 60px 0;
      border-top: 1px solid rgba(0, 229, 153, 0.2);
      border-bottom: 1px solid rgba(0, 229, 153, 0.2);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-value {
      font-size: 42px;
      font-weight: 900;
      color: var(--mint);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 14px;
      color: #94A3B8;
      font-weight: 500;
    }

    /* 8. 典型用户故事与成效区 */
    .stories-section {
      background-color: #F8FAFA;
    }
    .story-card-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 36px;
      border: 1px solid #E2E8F0;
      box-shadow: var(--shadow-sm);
    }
    .story-quote {
      font-size: 16px;
      color: #334155;
      font-style: italic;
      line-height: 1.8;
      margin-bottom: 24px;
      position: relative;
    }
    .story-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid #F1F5F9;
      padding-top: 18px;
    }
    .story-client-title {
      font-size: 14px;
      font-weight: 800;
      color: var(--text-dark);
    }
    .story-client-sub {
      font-size: 12px;
      color: var(--text-muted);
    }
    .story-badge {
      background: #ECFDF5;
      color: #047857;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
    }

    /* 9. 多端入口矩阵区 */
    .portals-section {
      background: var(--white);
    }
    .portals-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .portal-box {
      border: 1px solid #E2E8F0;
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      transition: all 0.3s;
    }
    .portal-box:hover {
      border-color: var(--mint);
      background: #F0FDF4;
      transform: translateY(-4px);
    }
    .portal-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .portal-name {
      font-size: 17px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .portal-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 10. 用户口碑评价墙区 */
    .reviews-section {
      background-color: #F8FAFA;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 28px;
      border: 1px solid #E2E8F0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .review-content {
      font-size: 14px;
      color: #334155;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--mint);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .reviewer-meta h4 {
      font-size: 14px;
      color: var(--text-dark);
      font-weight: 700;
    }
    .reviewer-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 前沿资讯与白皮书摘要区 */
    .news-section {
      background: var(--white);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      border: 1px solid #E2E8F0;
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }
    .news-card:hover {
      border-color: var(--mint);
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
      background: #E2E8F0;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 17px;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
    }
    .news-link:hover {
      color: var(--mint);
    }

    /* 12. 技术常见问题 FAQ 区 */
    .faq-section {
      background-color: #F8FAFA;
    }
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--white);
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question::after {
      content: '+';
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.2s;
    }
    details[open] .faq-question::after {
      content: '−';
      color: var(--mint);
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px dashed #F1F5F9;
      padding-top: 14px;
    }

    /* 13. 系统保障说明条 */
    .assurance-section {
      background: var(--white);
      border-top: 1px solid #E2E8F0;
      padding: 60px 0;
    }
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .assurance-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 14px;
      background: rgba(11, 60, 73, 0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
    }
    .assurance-title {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .assurance-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 14. 转化接入预约收口行动区 */
    .cta-section {
      background: linear-gradient(135deg, #07191F 0%, #0E2931 100%);
      color: var(--white);
      padding: 90px 0;
    }
    .cta-card-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: var(--radius);
      padding: 48px;
    }
    .cta-left h2 {
      font-size: 32px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .cta-left p {
      font-size: 15px;
      color: #A0AEC0;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .cta-points {
      list-style: none;
    }
    .cta-points li {
      font-size: 14px;
      color: #E2E8F0;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cta-points li span {
      color: var(--mint);
      font-weight: 800;
    }
    .cta-form {
      background: #152227;
      padding: 30px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      color: #CBD5E1;
      margin-bottom: 6px;
    }
    .form-input {
      width: 100%;
      padding: 12px 14px;
      background: #0B1418;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 6px;
      color: #FFFFFF;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-input:focus {
      border-color: var(--mint);
    }
    .btn-submit {
      width: 100%;
      background: var(--mint);
      color: #061A20;
      font-weight: 800;
      padding: 13px;
      border-radius: 6px;
      font-size: 15px;
      border: none;
      cursor: pointer;
      margin-top: 8px;
      transition: background-color 0.2s;
    }
    .btn-submit:hover {
      background: #00FFAC;
    }

    /* 统一页脚 */
    .site-footer {
      background: #061114;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h3 {
      font-size: 20px;
      color: #FFFFFF;
      margin-bottom: 16px;
      font-weight: 800;
    }
    .footer-brand p {
      line-height: 1.8;
      margin-bottom: 16px;
      font-size: 13px;
    }
    .footer-nav-col h4 {
      font-size: 15px;
      color: #FFFFFF;
      margin-bottom: 18px;
      font-weight: 700;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--mint);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid, .cta-card-wrapper {
        grid-template-columns: 1fr;
      }
      .fit-comparison-box, .scenario-row, .story-card-box {
        grid-template-columns: 1fr;
      }
      .scenario-row.reverse {
        direction: ltr;
      }
      .matrix-grid, .product-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid, .assurance-grid, .portals-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .main-nav {
        display: none;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .audience-grid, .matrix-grid, .product-grid, .reviews-grid, .news-grid, .portals-grid, .metrics-grid, .assurance-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-wrapper {
        padding: 24px;
      }
    }