/* roulang page: index */
:root {
      --primary: #0F5B5C;
      --primary-dark: #092628;
      --primary-light: #187D7F;
      --secondary: #38B2AC;
      --accent: #E07A5F;
      --bg-main: #F8F9FA;
      --bg-alt: #EEF4F6;
      --text-main: #1A202C;
      --text-muted: #4A5568;
      --text-sub: #718096;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 14px -2px rgba(15, 91, 92, 0.06);
      --shadow-md: 0 8px 24px -3px rgba(15, 91, 92, 0.1);
      --shadow-lg: 0 16px 36px -4px rgba(15, 91, 92, 0.15);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      border: none;
      outline: none;
    }

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

    /* 顶部通知栏 */
    .top-utility-bar {
      background-color: #E6EFF1;
      font-size: 13px;
      color: var(--text-muted);
      border-bottom: 1px solid rgba(15, 91, 92, 0.12);
      padding: 8px 0;
    }

    .top-utility-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .utility-badges {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    .utility-badges span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* 主导航 */
    .header-main {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(248, 249, 250, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(15, 91, 92, 0.25);
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }

    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.25s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-cta-btn {
      background: var(--primary);
      color: #fff !important;
      padding: 10px 22px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(15, 91, 92, 0.25);
    }

    .nav-cta-btn:hover {
      background: var(--primary-light);
      transform: translateY(-1px);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      cursor: pointer;
      padding: 6px;
    }

    .nav-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      transition: var(--transition);
    }

    /* 板块通用标题 */
    .section-spacing {
      padding: 90px 0;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 6px 14px;
      background: rgba(15, 91, 92, 0.08);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 板块 1: Hero */
    .hero-section {
      position: relative;
      background: url('/assets/images/31eda1ec1e97077c.webp') center/cover no-repeat;
      padding: 110px 0 100px;
      color: #fff;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, rgba(9, 38, 40, 0.94) 0%, rgba(15, 91, 92, 0.88) 60%, rgba(9, 38, 40, 0.7) 100%);
    }

    .hero-container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      color: #ffffff;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      color: #5EEAD4;
    }

    .hero-lead {
      font-size: 17px;
      color: #E2E8F0;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-selling-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 36px;
    }

    .hero-selling-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 15px;
      color: #F7FAFC;
    }

    .hero-check-icon {
      width: 22px;
      height: 22px;
      background: rgba(56, 178, 172, 0.2);
      border: 1px solid #38B2AC;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: #38B2AC;
      flex-shrink: 0;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .btn-hero-primary {
      background: var(--accent);
      color: #fff;
      padding: 14px 34px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 700;
      box-shadow: 0 8px 20px rgba(224, 122, 95, 0.35);
    }

    .btn-hero-primary:hover {
      background: #cf6d52;
      transform: translateY(-2px);
    }

    .btn-hero-secondary {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.35);
      color: #fff;
      padding: 14px 28px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 600;
    }

    .btn-hero-secondary:hover {
      background: rgba(255, 255, 255, 0.22);
    }

    .hero-trust-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.18);
      padding-top: 24px;
      display: flex;
      gap: 24px;
      font-size: 13px;
      color: #CBD5E0;
    }

    .hero-card-preview {
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
    }

    .hero-card-preview img {
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    }

    .hero-card-stats {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .stat-pill {
      background: rgba(15, 91, 92, 0.4);
      border: 1px solid rgba(56, 178, 172, 0.3);
      border-radius: var(--radius-sm);
      padding: 12px;
      text-align: center;
    }

    .stat-pill .val {
      font-size: 20px;
      font-weight: 700;
      color: #5EEAD4;
      display: block;
    }

    .stat-pill .lbl {
      font-size: 12px;
      color: #E2E8F0;
    }

    /* 板块 2: 痛点与破局卖点三连 */
    .pain-points-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .pain-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .pain-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--secondary);
    }

    .pain-tag {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 700;
      color: #C53030;
      background: #FFF5F5;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }

    .pain-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .solution-block {
      margin-top: auto;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      padding: 16px;
      border-left: 3px solid var(--primary);
    }

    .solution-block h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .solution-block p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 3: 产品架构与功能展示 */
    .product-profile-section {
      background: var(--bg-alt);
    }

    .profile-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .profile-tabs {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .profile-tab-item {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      cursor: pointer;
    }

    .profile-tab-item.active {
      border-color: var(--primary);
      box-shadow: 0 4px 18px rgba(15, 91, 92, 0.12);
      border-left: 4px solid var(--primary);
    }

    .tab-header-line {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
    }

    .profile-tab-item h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }

    .tab-metric-badge {
      font-size: 12px;
      font-weight: 600;
      background: rgba(15, 91, 92, 0.08);
      color: var(--primary);
      padding: 3px 10px;
      border-radius: 50px;
    }

    .profile-tab-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .profile-visual {
      position: relative;
    }

    .profile-visual img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .visual-floating-badge {
      position: absolute;
      bottom: -20px;
      left: 24px;
      background: #fff;
      border-radius: var(--radius-md);
      padding: 16px 22px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .badge-icon-wrap {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: #E6FFFA;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
    }

    /* 板块 4: 核心技术与服务优势区 */
    .tech-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .tech-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 32px 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .tech-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--secondary);
    }

    .tech-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(15, 91, 92, 0.1), rgba(56, 178, 172, 0.15));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 20px;
    }

    .tech-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .tech-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 5: 3 大深度场景落地方案 */
    .scenario-section {
      background: var(--bg-alt);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .scenario-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .scenario-img-wrap {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .scenario-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .scenario-card:hover .scenario-img-wrap img {
      transform: scale(1.05);
    }

    .scenario-card-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .scenario-badge {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: #E6EFF1;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .scenario-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .scenario-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .scenario-feature-list {
      list-style: none;
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .scenario-feature-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .scenario-feature-list li::before {
      content: "•";
      color: var(--secondary);
      font-size: 18px;
      line-height: 0;
    }

    .scenario-btn {
      margin-top: auto;
      display: block;
      text-align: center;
      background: #fff;
      color: var(--primary);
      border: 1px solid var(--primary);
      padding: 10px 0;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition);
    }

    .scenario-btn:hover {
      background: var(--primary);
      color: #fff;
    }

    /* 板块 6: 临床理念与深色科研/合规背书区 */
    .philosophy-section {
      background-color: var(--primary-dark);
      color: #fff;
      padding: 96px 0;
      position: relative;
    }

    .philosophy-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 60px auto;
    }

    .philosophy-header .section-badge {
      background: rgba(56, 178, 172, 0.2);
      color: #5EEAD4;
    }

    .philosophy-header h2 {
      font-size: 32px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .philosophy-header p {
      font-size: 15px;
      color: #CBD5E0;
      line-height: 1.8;
    }

    .philosophy-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-bottom: 50px;
    }

    .philosophy-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
    }

    .philosophy-card:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(94, 234, 212, 0.4);
    }

    .philosophy-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #5EEAD4;
      margin-bottom: 12px;
    }

    .philosophy-card p {
      font-size: 14px;
      color: #E2E8F0;
      line-height: 1.7;
    }

    .compliance-badges {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 40px;
      display: flex;
      justify-content: space-around;
      flex-wrap: wrap;
      gap: 20px;
      text-align: center;
    }

    .compliance-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
    }

    .compliance-code {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.5px;
    }

    .compliance-desc {
      font-size: 12px;
      color: #A0AEC0;
    }

    /* 板块 7: 真实用户改善故事与跟踪轴 */
    .user-story-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }

    .story-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .story-header {
      padding: 24px 28px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FAFDFD;
    }

    .story-person {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .story-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
    }

    .story-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .story-info span {
      font-size: 13px;
      color: var(--text-sub);
    }

    .story-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(15, 91, 92, 0.08);
      padding: 4px 10px;
      border-radius: 50px;
    }

    .story-body {
      padding: 28px;
    }

    .story-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .timeline-track {
      position: relative;
      border-left: 2px solid var(--secondary);
      margin-left: 8px;
      padding-left: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .timeline-node {
      position: relative;
    }

    .timeline-node::before {
      content: "";
      position: absolute;
      left: -26px;
      top: 5px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid #fff;
      box-shadow: 0 0 0 2px var(--secondary);
    }

    .timeline-time {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 2px;
    }

    .timeline-text {
      font-size: 13px;
      color: var(--text-muted);
    }

    .story-metrics-compare {
      margin-top: 24px;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      padding: 16px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      text-align: center;
    }

    .metric-col-title {
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 4px;
    }

    .metric-col-val {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .metric-col-val.success {
      color: #2E8540;
    }

    /* 板块 8: 平台关键运营成效数据统计条 */
    .metric-counter-section {
      background: linear-gradient(135deg, var(--primary), #0a4041);
      color: #fff;
      padding: 56px 0;
    }

    .metric-counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .counter-item {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .counter-number {
      font-size: 42px;
      font-weight: 800;
      color: #5EEAD4;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }

    .counter-title {
      font-size: 15px;
      font-weight: 600;
      color: #FFFFFF;
      margin-bottom: 4px;
    }

    .counter-sub {
      font-size: 12px;
      color: #A0AEC0;
    }

    /* 板块 9: 评价与多维社会认同 */
    .reviews-section {
      background: var(--bg-main);
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .review-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .review-stars {
      color: #ECC94B;
      font-size: 16px;
      margin-bottom: 14px;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .reviewer-meta {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .reviewer-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .reviewer-period {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 板块 10: 对比差异化优势表格区 */
    .comparison-section {
      background: var(--bg-alt);
    }

    .comparison-wrapper {
      max-width: 980px;
      margin: 0 auto;
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 18px 24px;
      font-size: 14px;
    }

    .comparison-table th {
      background: #FAFDFD;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th.highlight-header {
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      text-align: center;
    }

    .comparison-table td {
      border-bottom: 1px solid var(--border-color);
      color: var(--text-muted);
    }

    .comparison-table td.dimension-name {
      font-weight: 600;
      color: var(--text-main);
      width: 25%;
    }

    .comparison-table td.highlight-cell {
      background: #F0FDF4;
      color: var(--primary);
      font-weight: 600;
      text-align: center;
      width: 40%;
    }

    .comparison-table td.standard-cell {
      text-align: center;
      color: var(--text-sub);
      width: 35%;
    }

    /* 板块 11: 健康资讯与科普内嵌模块 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .news-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .news-img-holder {
      height: 180px;
      overflow: hidden;
    }

    .news-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .news-card:hover .news-img-holder img {
      transform: scale(1.05);
    }

    .news-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-meta-row {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 12px;
    }

    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .news-action {
      margin-top: auto;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 12: 常见疑虑与服务解答 (FAQ 手风琴) */
    .faq-section {
      background: var(--bg-alt);
    }

    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      background: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: #FAFDFD;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fff;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 0 24px 22px 24px;
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 板块 13: 全流程服务保障条与底部行动倡议 */
    .cta-guarantee-section {
      background: #fff;
      padding: 90px 0 110px 0;
    }

    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 70px;
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 20px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .guarantee-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 2px 8px rgba(15, 91, 92, 0.1);
      flex-shrink: 0;
    }

    .guarantee-text h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .guarantee-text p {
      font-size: 12px;
      color: var(--text-sub);
    }

    .cta-box-container {
      background: linear-gradient(135deg, var(--primary-dark), var(--primary));
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #fff;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .cta-box-info h3 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #fff;
    }

    .cta-box-info p {
      font-size: 15px;
      color: #CBD5E0;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .cta-box-bullets {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
      color: #E2E8F0;
    }

    .cta-form {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--text-main);
      box-shadow: var(--shadow-md);
    }

    .cta-form h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .cta-form p {
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 20px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-input {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 14px;
      color: var(--text-main);
      background: var(--bg-main);
    }

    .form-input:focus {
      border-color: var(--primary);
      background: #fff;
    }

    .form-submit-btn {
      width: 100%;
      background: var(--accent);
      color: #fff;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(224, 122, 95, 0.3);
      transition: var(--transition);
    }

    .form-submit-btn:hover {
      background: #d46c50;
    }

    /* 底部固定微型转化条 */
    .fixed-action-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(9, 38, 40, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 0;
      z-index: 999;
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
    }

    .fixed-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    .fixed-bar-tip {
      font-size: 14px;
      color: #E2E8F0;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .fixed-pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #5EEAD4;
      display: inline-block;
      box-shadow: 0 0 8px #5EEAD4;
    }

    .fixed-bar-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .fixed-tel-link {
      font-size: 14px;
      color: #fff;
      font-weight: 600;
    }

    .btn-fixed-action {
      background: var(--accent);
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      padding: 8px 18px;
      border-radius: 50px;
    }

    /* 页脚 */
    .footer-site {
      background-color: #0A1E20;
      color: #CBD5E0;
      padding: 70px 0 40px;
      margin-bottom: 56px; /* 避开固定底栏 */
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.1fr 1.3fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      font-size: 13px;
      color: #A0AEC0;
      line-height: 1.8;
      margin-bottom: 18px;
    }

    .footer-col h5 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h5::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--secondary);
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #A0AEC0;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: #5EEAD4;
      padding-left: 4px;
    }

    .footer-contact-info {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      color: #A0AEC0;
    }

    .footer-contact-info li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #718096;
    }

    .footer-bottom-bar a {
      color: #718096;
    }

    .footer-bottom-bar a:hover {
      color: #A0AEC0;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .pain-points-grid,
      .tech-grid,
      .scenario-grid,
      .philosophy-grid,
      .reviews-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-box-container {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: flex;
      }
      .top-utility-bar {
        display: none;
      }
      .profile-layout {
        grid-template-columns: 1fr;
      }
      .pain-points-grid,
      .tech-grid,
      .scenario-grid,
      .philosophy-grid,
      .reviews-grid,
      .news-grid,
      .user-story-grid {
        grid-template-columns: 1fr;
      }
      .metric-counter-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .hero-selling-points {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .fixed-bar-inner {
        flex-direction: column;
        align-items: stretch;
      }
      .fixed-bar-actions {
        justify-content: space-between;
      }
      .footer-site {
        margin-bottom: 84px;
      }
    }