/* roulang page: index */
:root {
      --primary: #0F4C81;
      --primary-hover: #0c3b64;
      --primary-light: #eff6ff;
      --secondary: #0D9488;
      --secondary-dark: #0f766e;
      --accent: #E0F2FE;
      --dark-navy: #0A192F;
      --dark-surface: #112240;
      --bg-body: #F8FAFC;
      --surface-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-light: #F1F5F9;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
      --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --container-max: 1240px;
    }

    *, *::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", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      color: var(--text-body);
      background-color: var(--bg-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    /* 顶部双行导航 */
    .top-utility-bar {
      background-color: #0d2c49;
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 0.5rem 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-utility-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .utility-links {
      display: flex;
      gap: 1.5rem;
    }

    .header-main {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      font-size: 1.25rem;
      box-shadow: 0 2px 8px rgba(15, 76, 129, 0.3);
    }
    .brand-logo span {
      color: var(--text-main);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 1.75rem;
      list-style: none;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
      padding: 0.4rem 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-md);
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      border: 1px solid transparent;
      font-size: 0.95rem;
      line-height: 1.2;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 2px 4px rgba(15, 76, 129, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
      transform: translateY(-1px);
    }
    .btn-secondary {
      background-color: #fff;
      color: var(--primary);
      border-color: #cbd5e1;
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      background-color: var(--primary-light);
    }
    .btn-teal {
      background-color: var(--secondary);
      color: #fff;
    }
    .btn-teal:hover {
      background-color: var(--secondary-dark);
      transform: translateY(-1px);
    }
    .btn-capsule {
      border-radius: 9999px;
      padding: 0.65rem 1.4rem;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 板块通用规范 */
    .section-wrap {
      padding: 5.5rem 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 3.5rem auto;
    }
    .section-subtitle {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--secondary);
      background: rgba(13, 148, 136, 0.08);
      padding: 0.35rem 0.9rem;
      border-radius: 9999px;
      margin-bottom: 0.75rem;
      letter-spacing: 0.03em;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 1rem;
      letter-spacing: -0.01em;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 1. 首屏 Hero 杂志分栏模式 */
    .hero-section {
      background: linear-gradient(180deg, #F0F7FD 0%, #FFFFFF 100%);
      padding: 4.5rem 0 5rem 0;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3.5rem;
      align-items: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 0.4rem 1rem;
      border-radius: 9999px;
      margin-bottom: 1.25rem;
      border: 1px solid rgba(15, 76, 129, 0.15);
    }
    .hero-title {
      font-size: 2.85rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 1.25rem;
      letter-spacing: -0.02em;
    }
    .hero-title em {
      font-style: normal;
      color: var(--primary);
    }
    .hero-lead {
      font-size: 1.125rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 2.5rem;
    }
    .hero-bullet-points {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      font-size: 0.9rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
      padding-top: 1.5rem;
    }
    .hero-bullet-item {
      display: flex;
      align-items: center;
      gap: 0.45rem;
    }
    .hero-bullet-item svg {
      color: var(--secondary);
    }

    /* 杂志分栏右侧精选卡 */
    .hero-feature-card {
      background: #FFFFFF;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      position: relative;
    }
    .hero-card-media {
      position: relative;
      height: 250px;
      overflow: hidden;
    }
    .hero-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .hero-feature-card:hover .hero-card-media img {
      transform: scale(1.03);
    }
    .hero-badge-float {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: rgba(15, 76, 129, 0.92);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 0.35rem 0.75rem;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }
    .hero-card-body {
      padding: 1.75rem;
    }
    .hero-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.6rem;
    }
    .hero-card-text {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      line-height: 1.65;
    }
    .hero-stat-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.75rem;
      padding-top: 1rem;
      border-top: 1px solid var(--border-light);
      text-align: center;
    }
    .hero-stat-item .num {
      display: block;
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary);
    }
    .hero-stat-item .lbl {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 2. 品牌与医学培训体系 (About) */
    .about-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .about-media-box {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-xl);
      border: 1px solid var(--border-color);
    }
    .about-media-box img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .about-verif-card {
      position: absolute;
      bottom: 1.5rem;
      left: 1.5rem;
      right: 1.5rem;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      padding: 1.25rem;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
    }
    .verif-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 0.4rem;
    }
    .verif-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .about-content h2 {
      font-size: 2.15rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 1.25rem;
    }
    .about-content p {
      margin-bottom: 1.25rem;
      color: var(--text-body);
      line-height: 1.8;
    }
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.25rem;
      margin-top: 1.75rem;
    }
    .compliance-item {
      background: #FFFFFF;
      padding: 1rem 1.25rem;
      border-radius: var(--radius-md);
      border-left: 3px solid var(--secondary);
      box-shadow: var(--shadow-sm);
    }
    .compliance-item h4 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 0.25rem;
    }
    .compliance-item p {
      font-size: 0.825rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.5;
    }

    /* 3. 核心优势与教学特色 (Features) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .feature-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 2.25rem 1.75rem;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-xl);
      border-color: rgba(15, 76, 129, 0.3);
    }
    .feature-icon-wrapper {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.25rem;
      transition: background 0.3s ease;
    }
    .feature-card:hover .feature-icon-wrapper {
      background: var(--primary);
      color: #fff;
    }
    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.75rem;
    }
    .feature-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 4. 热门医学培训课程矩阵 (Courses) */
    .courses-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .course-card {
      background: #FFFFFF;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .course-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-4px);
    }
    .course-card.highlight {
      border: 2px solid var(--primary);
      position: relative;
    }
    .course-banner-ribbon {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
    }
    .course-cover {
      height: 190px;
      overflow: hidden;
    }
    .course-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .course-card:hover .course-cover img {
      transform: scale(1.05);
    }
    .course-body {
      padding: 1.75rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .course-tier {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 0.5rem;
      text-transform: uppercase;
    }
    .course-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.75rem;
      line-height: 1.4;
    }
    .course-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      line-height: 1.6;
    }
    .course-specs {
      list-style: none;
      margin-bottom: 1.5rem;
      border-top: 1px solid var(--border-light);
      padding-top: 1rem;
    }
    .course-specs li {
      font-size: 0.85rem;
      color: var(--text-body);
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .course-specs li svg {
      color: var(--secondary);
      flex-shrink: 0;
    }
    .course-footer {
      margin-top: auto;
      padding-top: 1.25rem;
      border-top: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .course-duration {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 5. 教学理念与深色对比展示区 (Philosophy) */
    .philosophy-section {
      background-color: var(--dark-navy);
      color: #FFFFFF;
      padding: 6rem 0;
      position: relative;
    }
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }
    .philosophy-content h2 {
      font-size: 2.25rem;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.35;
      margin-bottom: 1.5rem;
    }
    .philosophy-content p {
      color: #94A3B8;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }
    .model-pills {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      margin-top: 2rem;
    }
    .model-pill-item {
      background: var(--dark-surface);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 1rem 1.25rem;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
    .model-pill-item h4 {
      font-size: 1rem;
      color: #38BDF8;
      margin-bottom: 0.25rem;
    }
    .model-pill-item p {
      font-size: 0.85rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.5;
    }
    .philosophy-diagram {
      background: var(--dark-surface);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-xl);
      padding: 2.5rem;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
    .diagram-step {
      display: flex;
      align-items: flex-start;
      gap: 1.25rem;
      position: relative;
      padding-bottom: 2rem;
    }
    .diagram-step:last-child {
      padding-bottom: 0;
    }
    .diagram-step::after {
      content: '';
      position: absolute;
      left: 1.25rem;
      top: 2.5rem;
      bottom: 0;
      width: 2px;
      background: rgba(255,255,255,0.1);
    }
    .diagram-step:last-child::after {
      display: none;
    }
    .step-circle {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
      z-index: 1;
    }
    .step-info h5 {
      font-size: 1.05rem;
      color: #F8FAFC;
      margin-bottom: 0.35rem;
    }
    .step-info p {
      font-size: 0.875rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.6;
    }

    /* 6. 真实学员临床成长故事 (Stories) */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
    }
    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      padding: 2.25rem;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: box-shadow 0.3s ease;
    }
    .story-card:hover {
      box-shadow: var(--shadow-xl);
    }
    .doctor-header {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      margin-bottom: 1.5rem;
    }
    .doctor-avatar {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--primary-light);
    }
    .doctor-meta h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.25rem;
    }
    .doctor-meta span {
      display: inline-block;
      font-size: 0.8rem;
      color: var(--primary);
      background: var(--primary-light);
      padding: 0.2rem 0.6rem;
      border-radius: var(--radius-sm);
      font-weight: 500;
    }
    .story-body {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }
    .story-impact {
      background: var(--bg-body);
      border-radius: var(--radius-md);
      padding: 1rem 1.25rem;
      border-left: 3px solid var(--primary);
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .story-impact strong {
      color: var(--text-main);
    }

    /* 7. 临床教学硬核数据条 (Stats) */
    .stats-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 3.5rem 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .stat-item {
      padding: 1rem;
    }
    .stat-number {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.5rem;
      font-variant-numeric: tabular-nums;
    }
    .stat-number sub {
      font-size: 1.25rem;
      font-weight: 600;
      bottom: 0;
    }
    .stat-title {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.25rem;
    }
    .stat-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 8. 学员评价与同行声誉墙 (Reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }
    .review-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    .review-stars {
      display: flex;
      gap: 0.25rem;
      color: #F59E0B;
      font-size: 0.9rem;
      margin-bottom: 1rem;
    }
    .review-text {
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }
    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      border-top: 1px solid var(--border-light);
      padding-top: 1rem;
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      flex-shrink: 0;
    }
    .reviewer-meta h4 {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .reviewer-meta p {
      font-size: 0.775rem;
      color: var(--text-muted);
    }

    /* 9. 培训课程梯度与配套方案 (Packages) */
    .packages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      align-items: stretch;
    }
    .pkg-card {
      background: #FFFFFF;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      padding: 2.5rem 2rem;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
    }
    .pkg-card:hover {
      box-shadow: var(--shadow-xl);
      transform: translateY(-4px);
    }
    .pkg-card.recommended {
      border: 2px solid var(--primary);
      box-shadow: 0 10px 25px -5px rgba(15, 76, 129, 0.15);
    }
    .pkg-badge {
      position: absolute;
      top: -0.85rem;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.35rem 1rem;
      border-radius: 9999px;
      letter-spacing: 0.05em;
    }
    .pkg-head {
      text-align: center;
      padding-bottom: 1.5rem;
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 1.5rem;
    }
    .pkg-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.5rem;
    }
    .pkg-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      min-height: 2.8rem;
    }
    .pkg-tagline {
      display: inline-block;
      margin-top: 0.75rem;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--secondary);
    }
    .pkg-features {
      list-style: none;
      margin-bottom: 2rem;
      flex-grow: 1;
    }
    .pkg-features li {
      font-size: 0.9rem;
      color: var(--text-body);
      margin-bottom: 0.85rem;
      display: flex;
      align-items: flex-start;
      gap: 0.65rem;
    }
    .pkg-features li svg {
      width: 18px;
      height: 18px;
      color: var(--secondary);
      flex-shrink: 0;
      margin-top: 0.2rem;
    }

    /* 10. 临床前沿资讯与培训指南 (News) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-bottom: 2.5rem;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-card-media {
      height: 160px;
      overflow: hidden;
    }
    .news-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-card-media img {
      transform: scale(1.05);
    }
    .news-card-body {
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
    }
    .news-card-body h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 0.5rem;
    }
    .news-card-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1rem;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
    }
    .news-bottom-action {
      text-align: center;
    }

    /* 11. 常见问题解答手风琴 (FAQ) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 1.25rem 1.5rem;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon {
      width: 20px;
      height: 20px;
      color: var(--primary);
      transition: transform 0.25s ease;
      flex-shrink: 0;
    }
    .faq-item[open] .faq-icon {
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 1.5rem 1.25rem 1.5rem;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid var(--border-light);
      padding-top: 1rem;
    }

    /* 12. 底部转化号召区 (Final CTA) */
    .contact-cta-section {
      background: linear-gradient(135deg, #0d2c49 0%, #0F4C81 100%);
      color: #FFFFFF;
      padding: 5.5rem 0;
      position: relative;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }
    .contact-info h2 {
      font-size: 2.25rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      line-height: 1.3;
    }
    .contact-info p {
      color: #cbd5e1;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .contact-channels {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .channel-box {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .channel-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: #38BDF8;
      flex-shrink: 0;
    }
    .channel-meta h4 {
      font-size: 0.85rem;
      color: #94A3B8;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .channel-meta p {
      font-size: 1.2rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 0;
    }

    .booking-card {
      background: #FFFFFF;
      border-radius: var(--radius-xl);
      padding: 2.5rem;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      color: var(--text-main);
    }
    .booking-card h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }
    .booking-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
    }
    .form-group {
      margin-bottom: 1.15rem;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.4rem;
    }
    .form-control {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #F8FAFC;
      transition: all 0.2s ease;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
    }
    .form-note {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 0.75rem;
      text-align: center;
    }

    /* 页脚组件 (Footer) */
    .site-footer {
      background: #0B132B;
      color: #94A3B8;
      padding: 4.5rem 0 2rem 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-brand .brand-logo {
      color: #FFFFFF;
      margin-bottom: 1rem;
    }
    .footer-brand .brand-logo span {
      color: #38BDF8;
    }
    .footer-brand p {
      line-height: 1.7;
      font-size: 0.875rem;
      margin-bottom: 1.5rem;
    }
    .footer-nav-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 1.25rem;
      letter-spacing: 0.02em;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 0.25rem;
    }
    .footer-cert-list {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      font-size: 0.825rem;
    }
    .footer-cert-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-cert-item svg {
      color: var(--secondary);
      flex-shrink: 0;
    }
    .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-legal-links {
      display: flex;
      gap: 1.5rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .about-layout, .philosophy-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .features-grid, .courses-grid, .packages-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-title {
        font-size: 2.35rem;
      }
    }

    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .features-grid, .courses-grid, .packages-grid, .stories-grid, .reviews-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .section-wrap {
        padding: 3.5rem 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .compliance-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
        width: 100%;
      }
      .hero-cta-group .btn {
        width: 100%;
      }
    }