/* roulang page: index */
:root {
      --primary: #0A3641;
      --primary-light: #164e5c;
      --accent: #00B497;
      --accent-hover: #00967d;
      --accent-soft: rgba(0, 180, 151, 0.1);
      --dark: #051C22;
      --text-main: #142129;
      --text-body: #3F525B;
      --text-muted: #6D808A;
      --bg-page: #F8FAF9;
      --bg-card: #FFFFFF;
      --border-color: #E2EAE7;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 2px 8px rgba(10, 54, 65, 0.04);
      --shadow-md: 0 6px 20px -2px rgba(10, 54, 65, 0.08);
      --shadow-lg: 0 16px 36px -6px rgba(10, 54, 65, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Lantinghei SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, textarea, select {
      font-family: inherit;
      font-size: inherit;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }
    .section-padding {
      padding: 5rem 0;
    }
    .section-title-wrap {
      margin-bottom: 3rem;
      max-width: 820px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent);
      background: var(--accent-soft);
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-sm);
      letter-spacing: 0.05em;
      margin-bottom: 0.75rem;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 1rem;
    }
    .section-desc {
      font-size: 1.0625rem;
      color: var(--text-body);
      line-height: 1.8;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.875rem 1.75rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.9375rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }
    .btn-primary {
      background: var(--accent);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 14px rgba(0, 180, 151, 0.35);
    }
    .btn-secondary {
      background: #fff;
      color: var(--primary);
      border-color: var(--border-color);
    }
    .btn-secondary:hover {
      background: var(--bg-page);
      border-color: var(--primary);
    }
    .btn-outline-white {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.4);
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* 顶部导航 */
    .top-bar {
      background: var(--dark);
      color: #9ab4be;
      font-size: 0.8125rem;
      padding: 0.5rem 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: 0.5rem;
    }
    .top-bar-info {
      display: flex;
      gap: 1.5rem;
      align-items: center;
    }
    .top-bar-info span {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }
    .site-header {
      background: #fff;
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(10, 54, 65, 0.03);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      font-weight: bold;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.75rem;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 0.5rem 0;
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
      cursor: pointer;
    }

    /* 板块 01: Hero 本地感/区域入口 */
    .hero-section {
      position: relative;
      background: linear-gradient(rgba(5, 28, 34, 0.88), rgba(10, 54, 65, 0.94)), url('/assets/images/6ccc71d34c488e71.webp') center/cover no-repeat;
      color: #fff;
      padding: 5.5rem 0 4.5rem;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 3.5rem;
      align-items: center;
    }
    .hero-badge-row {
      display: flex;
      gap: 0.75rem;
      margin-bottom: 1.25rem;
      flex-wrap: wrap;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.35rem 0.85rem;
      border-radius: var(--radius-sm);
      font-size: 0.8125rem;
      font-weight: 600;
      background: rgba(0, 180, 151, 0.2);
      border: 1px solid rgba(0, 180, 151, 0.4);
      color: #79f2df;
    }
    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 1.25rem;
      letter-spacing: -0.01em;
    }
    .hero-title span {
      color: #4ee3cb;
    }
    .hero-lead {
      font-size: 1.0625rem;
      line-height: 1.85;
      color: #c4d7de;
      margin-bottom: 2rem;
    }
    .hero-cta-group {
      display: flex;
      gap: 1rem;
      margin-bottom: 2.5rem;
      flex-wrap: wrap;
    }
    .local-support-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      backdrop-filter: blur(8px);
    }
    .local-card-title {
      font-size: 1.125rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .chips-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }
    .chip {
      padding: 0.4rem 0.8rem;
      background: rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      font-size: 0.8125rem;
      color: #e2f1f5;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
    }
    .chip.active, .chip:hover {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }
    .local-contact-item {
      font-size: 0.875rem;
      color: #b7cbce;
      margin-bottom: 0.5rem;
      display: flex;
      justify-content: space-between;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
      padding-bottom: 0.5rem;
    }

    /* 板块 02: 临床痛点与挑战 */
    .pain-points-section {
      background: #fff;
    }
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .pain-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      background: var(--bg-card);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .pain-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: #e27d60;
    }
    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .pain-icon-wrapper {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: #fdf1ed;
      color: #c84b2c;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .pain-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.75rem;
    }
    .pain-text {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 03: 客户案例 */
    .cases-section {
      background: var(--bg-page);
    }
    .case-card-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
    .case-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .case-img-wrap {
      height: 240px;
      overflow: hidden;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .case-meta {
      display: flex;
      gap: 0.75rem;
      font-size: 0.8125rem;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .case-title {
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 0.75rem;
      font-weight: 600;
      line-height: 1.4;
    }
    .case-desc {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }
    .case-footer {
      border-top: 1px solid var(--border-color);
      padding-top: 1rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* 板块 04: 结果数据统计 */
    .stats-section {
      background: var(--primary);
      color: #fff;
      padding: 4.5rem 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .stat-item {
      padding: 1.5rem;
      border-right: 1px solid rgba(255, 255, 255, 0.12);
    }
    .stat-item:last-child {
      border-right: none;
    }
    .stat-number {
      font-size: 3rem;
      font-weight: 800;
      color: #4ce1c9;
      line-height: 1;
      margin-bottom: 0.5rem;
      font-family: Arial, sans-serif;
    }
    .stat-unit {
      font-size: 1.25rem;
      font-weight: normal;
      color: #fff;
    }
    .stat-label {
      font-size: 1.0625rem;
      font-weight: 600;
      color: #f0f7f8;
      margin-bottom: 0.35rem;
    }
    .stat-note {
      font-size: 0.8125rem;
      color: #a0bcc4;
      line-height: 1.5;
    }

    /* 板块 05: 前后对比 */
    .compare-section {
      background: #fff;
    }
    .compare-table-wrapper {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 1.25rem 1.5rem;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9375rem;
    }
    .compare-table th {
      background: #f3f7f6;
      color: var(--text-main);
      font-weight: 700;
      font-size: 1rem;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td.highlight {
      background: rgba(0, 180, 151, 0.05);
      color: var(--primary);
      font-weight: 600;
    }
    .badge-check {
      color: var(--accent);
      font-weight: 700;
      margin-right: 0.4rem;
    }
    .badge-cross {
      color: #e27d60;
      font-weight: 700;
      margin-right: 0.4rem;
    }

    /* 板块 06: 系统化解决方案 */
    .solutions-section {
      background: var(--bg-page);
    }
    .split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .solution-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .solution-features-list {
      list-style: none;
      margin-top: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .solution-features-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      font-size: 0.9375rem;
      color: var(--text-body);
    }
    .feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      margin-top: 0.6rem;
      flex-shrink: 0;
    }

    /* 板块 07: 核心技术优势矩阵 (6宫格) */
    .advantages-section {
      background: #fff;
    }
    .grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .advantage-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      background: var(--bg-page);
      transition: var(--transition);
    }
    .advantage-box:hover {
      background: #fff;
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .adv-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
    }
    .adv-icon {
      font-size: 1.25rem;
      color: var(--accent);
      font-weight: 700;
    }
    .adv-tag {
      font-size: 0.75rem;
      background: #e1efe9;
      color: var(--primary);
      padding: 0.15rem 0.5rem;
      border-radius: 2px;
      font-weight: 600;
    }
    .adv-title {
      font-size: 1.125rem;
      color: var(--text-main);
      margin-bottom: 0.5rem;
      font-weight: 600;
    }
    .adv-desc {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 板块 08: 主流医疗机器人产品展区 */
    .products-section {
      background: var(--bg-page);
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .product-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }
    .product-img-box {
      height: 220px;
      overflow: hidden;
      background: #eef3f2;
    }
    .product-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .product-content {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-code {
      font-size: 0.75rem;
      color: var(--accent);
      font-weight: 700;
      letter-spacing: 0.05em;
      margin-bottom: 0.35rem;
    }
    .product-title {
      font-size: 1.25rem;
      color: var(--text-main);
      font-weight: 600;
      margin-bottom: 0.75rem;
    }
    .spec-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      margin-bottom: 1rem;
    }
    .spec-badge {
      font-size: 0.75rem;
      background: #f0f5f4;
      color: var(--text-muted);
      padding: 0.2rem 0.5rem;
      border-radius: var(--radius-sm);
    }
    .product-text {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }

    /* 板块 09: 适用场景矩阵与科室覆盖 */
    .applications-section {
      background: #fff;
    }
    .app-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .app-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.75rem 1.5rem;
      background: #fff;
      transition: var(--transition);
      position: relative;
    }
    .app-card:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .app-dept {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 0.5rem;
    }
    .app-badge-s {
      display: inline-block;
      font-size: 0.75rem;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 0.75rem;
    }
    .app-desc {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 1rem;
    }
    .app-procedures {
      list-style: none;
      font-size: 0.8125rem;
      color: var(--text-muted);
      border-top: 1px dashed var(--border-color);
      padding-top: 0.75rem;
    }
    .app-procedures li {
      margin-bottom: 0.25rem;
    }

    /* 板块 10: 愿景与理念区 (深色钛合金) */
    .vision-section {
      background: var(--dark);
      color: #fff;
      position: relative;
      overflow: hidden;
      padding: 6rem 0;
    }
    .vision-inner {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
    }
    .vision-tag {
      color: #5ce6cf;
      background: rgba(92, 230, 207, 0.12);
      border: 1px solid rgba(92, 230, 207, 0.3);
      padding: 0.35rem 1rem;
      border-radius: var(--radius-sm);
      font-size: 0.8125rem;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 1.5rem;
      letter-spacing: 0.08em;
    }
    .vision-heading {
      font-size: 2.25rem;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 1.5rem;
      color: #fff;
    }
    .vision-text {
      font-size: 1.0625rem;
      color: #b9ced3;
      line-height: 1.9;
      margin-bottom: 2.5rem;
    }
    .vision-metrics {
      display: flex;
      justify-content: center;
      gap: 3rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 2rem;
      flex-wrap: wrap;
    }
    .v-metric-item {
      text-align: left;
    }
    .v-metric-val {
      font-size: 1.5rem;
      font-weight: 700;
      color: #4ee3cb;
    }
    .v-metric-desc {
      font-size: 0.8125rem;
      color: #92aeb5;
    }

    /* 板块 11: 四步手术标准工作流 */
    .workflow-section {
      background: #fff;
    }
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
    }
    .flow-step-card {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem 1.5rem;
      position: relative;
      transition: var(--transition);
    }
    .flow-step-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }
    .step-index {
      font-size: 1.75rem;
      font-weight: 800;
      color: #bac8cb;
      margin-bottom: 1rem;
      line-height: 1;
    }
    .flow-step-card:hover .step-index {
      color: var(--accent);
    }
    .step-title {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.75rem;
    }
    .step-desc {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 板块 12: 学术交流与前沿行业资讯 */
    .news-section {
      background: var(--bg-page);
    }
    .news-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-img-box {
      height: 190px;
      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-muted);
      margin-bottom: 0.5rem;
    }
    .news-title {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.75rem;
      line-height: 1.45;
    }
    .news-excerpt {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
    }

    /* 板块 13: 常见异议与快速解答 FAQ */
    .faq-section {
      background: #fff;
    }
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 1rem;
      background: #fff;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 1.25rem 1.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      font-size: 1.0625rem;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon {
      font-size: 1.25rem;
      font-weight: 300;
      color: var(--accent);
      transition: transform 0.3s ease;
      line-height: 1;
    }
    .faq-answer {
      display: none;
      padding: 0 1.5rem 1.25rem;
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid #f0f4f3;
    }
    .faq-item.active {
      border-color: var(--accent);
      box-shadow: var(--shadow-sm);
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 板块 14: 临床样机演示与转化预约表单 */
    .demo-cta-section {
      background: var(--bg-page);
    }
    .cta-card-box {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 3.5rem;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .cta-info-side h3 {
      font-size: 1.875rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 1rem;
      line-height: 1.3;
    }
    .cta-info-side p {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .service-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .service-points li {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.875rem;
      color: var(--primary);
      font-weight: 600;
    }
    .service-points li span {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
    }
    .demo-form {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      background: #f8faf9;
      padding: 2rem;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }
    .form-group label {
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-group input, .form-group select {
      padding: 0.75rem 1rem;
      border: 1px solid #c7d6d3;
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 180, 151, 0.15);
    }
    .form-row-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: #92aeb5;
      padding: 4.5rem 0 2rem;
      font-size: 0.875rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-brand-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-desc {
      line-height: 1.75;
      margin-bottom: 1.5rem;
      color: #8da4aa;
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 1.25rem;
    }
    .footer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }
    .footer-nav-list a {
      color: #8da4aa;
    }
    .footer-nav-list a:hover {
      color: var(--accent);
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      color: #8da4aa;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.8125rem;
    }
    .footer-bottom a {
      color: #8da4aa;
    }
    .footer-bottom a:hover {
      color: #fff;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .split-grid, .cta-card-box {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .card-grid-3, .grid-6, .product-grid, .news-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .app-grid-4, .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .section-padding {
        padding: 3.5rem 0;
      }
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid var(--border-color);
        gap: 1rem;
      }
      .nav-links.show {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.125rem;
      }
      .card-grid-3, .grid-6, .product-grid, .news-grid-3, .case-card-grid, .app-grid-4, .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-box {
        padding: 2rem 1.25rem;
      }
      .form-row-2 {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
    }