/* roulang page: index */
:root {
      --primary: #0A657E;
      --primary-dark: #074759;
      --primary-light: #168ba8;
      --accent: #10B981;
      --accent-hover: #059669;
      --dark-bg: #0B132B;
      --dark-card: #142144;
      --light-bg: #F8FAFC;
      --pure-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-sub: #64748B;
      --border-color: #E2E8F0;
      --border-light: rgba(226, 232, 240, 0.8);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 12px 28px -4px rgba(10, 101, 126, 0.14);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-muted);
      background-color: var(--light-bg);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    /* 顶部通栏 */
    .top-bar {
      background-color: #072733;
      color: #94A3B8;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-tags {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .badge-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 0.75rem;
    }
    .badge-status::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }

    /* 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);
      box-shadow: var(--shadow-sm);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.01em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary) 0%, #168ba8 100%);
      color: #FFF;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-weight: 800;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(10, 101, 126, 0.25);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-item a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .nav-item a:hover {
      color: var(--primary);
    }
    .nav-item a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }
    .nav-item a:hover::after {
      width: 100%;
    }
    .nav-cta-btn {
      background-color: var(--primary);
      color: #FFF !important;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 12px rgba(10, 101, 126, 0.2);
    }
    .nav-cta-btn:hover {
      background-color: var(--primary-dark);
      box-shadow: 0 6px 16px rgba(10, 101, 126, 0.3);
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 板块通用规范 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-wrap.bg-white {
      background-color: var(--pure-white);
    }
    .section-wrap.bg-slate {
      background-color: var(--light-bg);
    }
    .section-wrap.bg-dark {
      background-color: var(--dark-bg);
      color: #E2E8F0;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(10, 101, 126, 0.08);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .section-tag.light {
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-title.white {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-sub);
      line-height: 1.68;
    }
    .section-desc.light {
      color: #94A3B8;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-size: 0.98rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFF;
      box-shadow: 0 4px 14px rgba(10, 101, 126, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(10, 101, 126, 0.35);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFF;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(10, 101, 126, 0.04);
    }
    .btn-outline-white {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.3);
      color: #FFF;
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #FFF;
    }

    /* 1. Hero 板块（秒杀闪购专区风格，高张力看板） */
    .hero-section {
      background: linear-gradient(135deg, rgba(7, 39, 51, 0.92) 0%, rgba(11, 19, 43, 0.88) 100%),
                  url('/assets/images/7db80c8ab84e1d8a.webp') center/cover no-repeat;
      padding: 70px 0 90px 0;
      color: #FFF;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-top-flash {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 999px;
      padding: 6px 18px;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
      font-size: 0.88rem;
    }
    .flash-timer {
      color: #FCD34D;
      font-weight: 700;
      font-family: monospace;
      letter-spacing: 1px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.22;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hero-h1 span {
      color: #38BDF8;
      background: linear-gradient(90deg, #38BDF8 0%, #34D399 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-p {
      font-size: 1.08rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-indicators {
      display: flex;
      gap: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }
    .hero-stat-num {
      font-size: 1.7rem;
      font-weight: 700;
      color: #34D399;
      line-height: 1.1;
    }
    .hero-stat-label {
      font-size: 0.82rem;
      color: #94A3B8;
      margin-top: 4px;
    }

    .hero-flash-card {
      background: rgba(20, 33, 68, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.16);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .flash-card-badge {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      font-size: 0.85rem;
    }
    .flash-pill {
      background: #EF4444;
      color: #FFF;
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 0.75rem;
    }
    .flash-card-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 12px;
    }
    .flash-card-list {
      list-style: none;
      margin-bottom: 24px;
    }
    .flash-card-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: #CBD5E1;
      padding: 6px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
    }
    .flash-card-list li svg {
      width: 16px;
      height: 16px;
      fill: var(--accent);
      flex-shrink: 0;
    }

    /* 2. 核心产品介绍区 */
    .product-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .intro-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      border: 1px solid var(--border-color);
    }
    .intro-param-pill {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(11, 19, 43, 0.88);
      backdrop-filter: blur(8px);
      color: #FFF;
      padding: 10px 18px;
      border-radius: var(--radius-md);
      font-size: 0.86rem;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .intro-param-pill strong {
      color: #38BDF8;
      font-size: 1.1rem;
    }
    .intro-content h3 {
      font-size: 1.85rem;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.35;
    }
    .intro-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }
    .spec-item {
      background: var(--light-bg);
      padding: 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }
    .spec-item h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .spec-item p {
      font-size: 0.84rem;
      color: var(--text-sub);
    }

    /* 3. 六大核心技术优势区 */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .tech-card {
      background: var(--pure-white);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
    }
    .tech-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(10, 101, 126, 0.3);
    }
    .tech-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(10, 101, 126, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
    }
    .tech-card h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .tech-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 三大热门产品矩阵区 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .matrix-card {
      background: var(--pure-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .matrix-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .matrix-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .matrix-card:hover .matrix-img-wrap img {
      transform: scale(1.04);
    }
    .matrix-body {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .matrix-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 12px;
    }
    .matrix-tag {
      font-size: 0.74rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(10, 101, 126, 0.08);
      color: var(--primary);
      font-weight: 500;
    }
    .matrix-body h3 {
      font-size: 1.28rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .matrix-body p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .matrix-link {
      color: var(--primary);
      font-size: 0.9rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .matrix-link:hover {
      gap: 10px;
      color: var(--primary-dark);
    }

    /* 5. 深色对比区：算法架构与落地理念 */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .arch-step-card {
      background: var(--dark-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }
    .step-index {
      font-size: 0.8rem;
      font-weight: 700;
      color: #38BDF8;
      background: rgba(56, 189, 248, 0.15);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .arch-step-card h4 {
      font-size: 1.15rem;
      color: #FFF;
      margin-bottom: 8px;
    }
    .arch-step-card p {
      font-size: 0.88rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 6. 多场景交互演示区 */
    .tabs-nav {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .tab-btn {
      background: var(--pure-white);
      border: 1px solid var(--border-color);
      padding: 10px 24px;
      border-radius: 999px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
    }
    .tab-btn.active, .tab-btn:hover {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .tab-content-panel {
      background: var(--pure-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .tab-panel-info h3 {
      font-size: 1.6rem;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .tab-panel-info ul {
      list-style: none;
      margin: 18px 0 24px 0;
    }
    .tab-panel-info li {
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.94rem;
      color: var(--text-muted);
    }
    .tab-panel-info li::before {
      content: "✔";
      color: var(--accent);
      font-weight: bold;
    }

    /* 7. 三甲医院落地案例区 */
    .case-container {
      background: var(--pure-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      box-shadow: var(--shadow-card);
    }
    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .case-tag-org {
      color: var(--primary);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .case-row h3 {
      font-size: 1.65rem;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .case-metrics-bar {
      display: flex;
      gap: 24px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px dashed var(--border-color);
    }
    .case-metric strong {
      font-size: 1.6rem;
      color: var(--primary);
      display: block;
      line-height: 1.1;
    }
    .case-metric span {
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    /* 8. 关键数据指标条 (Stats Bar) */
    .stats-bar-section {
      background: linear-gradient(135deg, var(--primary) 0%, #074759 100%);
      color: #FFF;
      padding: 50px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-box strong {
      font-size: 2.8rem;
      font-weight: 800;
      color: #34D399;
      display: block;
      line-height: 1.1;
      margin-bottom: 4px;
    }
    .stat-box p {
      font-size: 0.95rem;
      color: #E2E8F0;
    }

    /* 9. 专家与医务人员真实评价墙 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: var(--pure-white);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 12px;
    }
    .testi-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.68;
      margin-bottom: 20px;
    }
    .doctor-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .doctor-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: rgba(10, 101, 126, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .doctor-info h5 {
      font-size: 0.98rem;
      color: var(--text-main);
    }
    .doctor-info span {
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    /* 10. 前沿资讯与学术动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--pure-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 22px;
    }
    .news-date {
      font-size: 0.78rem;
      color: var(--text-sub);
      background: var(--light-bg);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }
    .news-body h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .news-read-more {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 11. FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--pure-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-item details summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item details summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      transition: transform 0.3s ease;
    }
    .faq-item details[open] summary .faq-icon-arrow {
      transform: rotate(180deg);
    }
    .faq-item details[open] summary {
      border-bottom: 1px solid var(--border-color);
      color: var(--primary);
    }
    .faq-answer {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      background: #FAFCFD;
    }

    /* 12. 全域协同行动转化 CTA 区 */
    .cta-banner-card {
      background: linear-gradient(135deg, #0A657E 0%, #073847 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #FFF;
      box-shadow: 0 20px 40px rgba(10, 101, 126, 0.25);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-left h2 {
      font-size: 2.2rem;
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .cta-left p {
      font-size: 1.02rem;
      color: #E2E8F0;
      line-height: 1.68;
      margin-bottom: 24px;
    }
    .cta-hotline-box {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      width: fit-content;
    }
    .cta-hotline-num {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FCD34D;
    }
    .cta-form-box {
      background: #FFF;
      padding: 32px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      color: var(--text-main);
    }
    .cta-form-box h4 {
      font-size: 1.25rem;
      margin-bottom: 18px;
      color: var(--primary);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.86rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-muted);
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(10, 101, 126, 0.12);
    }

    /* 页脚区域 */
    .site-footer {
      background-color: #07151D;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 1.35rem;
      color: #FFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      line-height: 1.68;
      margin-bottom: 16px;
      font-size: 0.88rem;
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #38BDF8;
      padding-left: 4px;
    }
    .footer-contact li {
      display: flex;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 0.88rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .product-intro-grid, .tab-content-panel, .case-row, .cta-banner-card {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .grid-3x2, .matrix-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-flow-grid, .stats-grid, .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 767px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFF;
        flex-direction: column;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        display: none;
      }
      .nav-menu.show {
        display: flex;
      }
      .grid-3x2, .matrix-grid, .testimonials-grid, .news-grid, .arch-flow-grid, .stats-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .cta-banner-card {
        padding: 32px 20px;
      }
      .hero-indicators {
        flex-direction: column;
        gap: 16px;
      }
      .case-metrics-bar {
        flex-direction: column;
        gap: 12px;
      }
    }