/* roulang page: index */
:root {
      --primary: #1B4332;
      --primary-light: #2D6A4F;
      --primary-dark: #0D1F17;
      --accent: #D97706;
      --accent-hover: #B45309;
      --heading: #0F172A;
      --body: #334155;
      --muted: #64748B;
      --bg-light: #FBFBFA;
      --bg-warm: #F4F4F1;
      --white: #FFFFFF;
      --border: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(27, 67, 50, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --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: "PingFang SC", "Microsoft YaHei", Inter, system-ui, -apple-system, sans-serif;
      color: var(--body);
      background-color: var(--bg-light);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部辅助条与主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .top-bar {
      background-color: var(--primary-dark);
      color: #94A3B8;
      font-size: 0.75rem;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-info {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    .top-bar-info a {
      color: #CBD5E1;
    }

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

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .logo-badge {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: var(--white);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

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

    .nav-links a {
      font-weight: 500;
      color: var(--heading);
      font-size: 0.95rem;
      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(--accent);
      transition: var(--transition);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--accent);
      color: var(--white);
      box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background-color: var(--primary);
      color: var(--white);
    }

    .btn-secondary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--border);
      background-color: transparent;
      color: var(--heading);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--bg-warm);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--heading);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 板块通用规范 */
    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-warm {
      background-color: var(--bg-warm);
    }

    .section-dark {
      background-color: var(--primary-dark);
      color: #E2E8F0;
    }

    .section-header {
      margin-bottom: 56px;
      max-width: 780px;
    }

    .section-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      background-color: rgba(27, 67, 50, 0.08);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
      text-transform: uppercase;
    }

    .section-dark .section-tag {
      background-color: rgba(217, 119, 6, 0.2);
      color: #FBBF24;
    }

    .section-title {
      font-size: clamp(1.75rem, 3.2vw, 2.35rem);
      line-height: 1.28;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .section-dark .section-title {
      color: var(--white);
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--muted);
      line-height: 1.8;
    }

    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. 首屏选型与高亮对比 (Hero Section) */
    .hero-section {
      padding: 72px 0 96px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F5F7F5 100%);
      border-bottom: 1px solid var(--border);
    }

    .hero-header-box {
      text-align: center;
      max-width: 880px;
      margin: 0 auto 52px;
    }

    .hero-title {
      font-size: clamp(2.25rem, 4.5vw, 3.4rem);
      line-height: 1.2;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.02em;
      margin-bottom: 24px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
    }

    .hero-sub {
      font-size: 1.125rem;
      line-height: 1.8;
      color: var(--body);
      margin-bottom: 32px;
    }

    .hero-compare-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .compare-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      position: relative;
    }

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

    .compare-card.highlight {
      border: 2px solid var(--accent);
      box-shadow: var(--shadow-lg);
      background: #FFFFFF;
      transform: scale(1.03);
      z-index: 2;
    }

    .compare-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: var(--white);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(217, 119, 6, 0.3);
    }

    .compare-card-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 8px;
    }

    .compare-card-desc {
      font-size: 0.9rem;
      color: var(--muted);
      margin-bottom: 24px;
      min-height: 48px;
    }

    .compare-features {
      list-style: none;
      margin-bottom: 32px;
    }

    .compare-features li {
      font-size: 0.9rem;
      color: var(--body);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .compare-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 2. 亮点矩阵 (Company Highlights) */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .highlight-box {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: var(--transition);
    }

    .highlight-box:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .highlight-icon {
      width: 48px;
      height: 48px;
      border-radius: 8px;
      background: rgba(27, 67, 50, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.25rem;
      margin-bottom: 20px;
    }

    .highlight-box h3 {
      font-size: 1.15rem;
      color: var(--heading);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .highlight-box p {
      font-size: 0.925rem;
      color: var(--muted);
      line-height: 1.7;
    }

    /* 3. 前后对比 (Before / After) */
    .compare-panel {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
      box-shadow: var(--shadow-sm);
    }

    .panel-col {
      padding: 44px;
    }

    .panel-col.traditional {
      background-color: #F8FAFC;
      border-right: 1px solid var(--border);
    }

    .panel-col.modern {
      background-color: #F4F7F4;
    }

    .panel-col h3 {
      font-size: 1.3rem;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .panel-col.traditional h3 {
      color: #64748B;
    }

    .panel-col.modern h3 {
      color: var(--primary);
    }

    .contrast-item {
      margin-bottom: 24px;
    }

    .contrast-item h4 {
      font-size: 1rem;
      color: var(--heading);
      margin-bottom: 6px;
    }

    .contrast-item p {
      font-size: 0.9rem;
      color: var(--muted);
      line-height: 1.6;
    }

    /* 4. 课程培养方案与矩阵 (Curriculum & Paths) */
    .curriculum-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .course-card {
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

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

    .course-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

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

    .course-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .course-age-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
      display: inline-block;
    }

    .course-title {
      font-size: 1.25rem;
      color: var(--heading);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .course-summary {
      font-size: 0.9rem;
      color: var(--muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

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

    .course-points {
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 5. 教师与研习顾问席 (Faculty) */
    .faculty-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .faculty-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      transition: var(--transition);
    }

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

    .faculty-avatar {
      width: 88px;
      height: 88px;
      border-radius: var(--radius-full);
      margin: 0 auto 16px;
      object-fit: cover;
      border: 3px solid rgba(27, 67, 50, 0.1);
    }

    .faculty-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 4px;
    }

    .faculty-title {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 14px;
    }

    .faculty-desc {
      font-size: 0.85rem;
      color: var(--muted);
      line-height: 1.6;
    }

    /* 6. 深色沉浸式愿景与研学切片 (Dark Immersive) */
    .dark-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 60px;
      align-items: center;
    }

    .dark-quote {
      font-size: 1.6rem;
      line-height: 1.5;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 28px;
    }

    .dark-desc {
      font-size: 1rem;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .dark-img-box {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .dark-img-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 7. 成长轨迹对比故事 (Stories) */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }

    .story-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .story-student-header {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
    }

    .story-badge {
      background: var(--primary);
      color: var(--white);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 600;
    }

    .story-timeline {
      border-left: 2px solid var(--border);
      padding-left: 20px;
      margin-left: 10px;
      margin-bottom: 20px;
    }

    .story-step {
      position: relative;
      margin-bottom: 18px;
    }

    .story-step::before {
      content: "";
      position: absolute;
      left: -26px;
      top: 6px;
      width: 10px;
      height: 10px;
      border-radius: var(--radius-full);
      background: var(--accent);
    }

    .story-step h4 {
      font-size: 0.95rem;
      color: var(--heading);
      margin-bottom: 4px;
    }

    .story-step p {
      font-size: 0.875rem;
      color: var(--muted);
      line-height: 1.6;
    }

    /* 8. 量化数据指标条 (Metrics) */
    .metric-bar {
      background: var(--primary);
      color: var(--white);
      padding: 60px 0;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-val {
      font-size: clamp(2rem, 3.8vw, 3rem);
      font-weight: 800;
      color: #FBBF24;
      line-height: 1;
      margin-bottom: 10px;
      font-variant-numeric: tabular-nums;
    }

    .metric-label {
      font-size: 0.95rem;
      color: #E2E8F0;
      font-weight: 500;
    }

    /* 9. 真实家庭反馈 (Testimonials) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #F59E0B;
      font-size: 0.9rem;
      margin-bottom: 16px;
    }

    .review-text {
      font-size: 0.925rem;
      line-height: 1.7;
      color: var(--body);
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

    .reviewer-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--heading);
    }

    .reviewer-role {
      font-size: 0.8rem;
      color: var(--muted);
    }

    /* 10. 资讯研讨与政策动态 (News & Insights) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .news-img {
      height: 180px;
      object-fit: cover;
      width: 100%;
    }

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

    .news-date {
      font-size: 0.8rem;
      color: var(--muted);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-excerpt {
      font-size: 0.875rem;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    /* 11. 合作基地与认证联盟 (Partners) */
    .partners-section {
      background-color: #FFFFFF;
      padding: 56px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .partners-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 24px;
      align-items: center;
    }

    .partner-item {
      text-align: center;
      padding: 18px 12px;
      background: var(--bg-warm);
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--muted);
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .partner-item:hover {
      border-color: var(--border);
      color: var(--primary);
      background: var(--white);
    }

    /* 12. 交互式高频答疑 (Interactive FAQ) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 22px 28px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--heading);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background-color: #FAFAFA;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: var(--border);
    }

    .faq-answer-inner {
      padding: 22px 28px;
      font-size: 0.95rem;
      line-height: 1.8;
      color: var(--body);
    }

    /* 13. 保障条 (Commitment Banner) */
    .guarantee-bar {
      background: linear-gradient(135deg, #1B4332 0%, #2D6A4F 100%);
      color: var(--white);
      padding: 42px 0;
    }

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

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .guarantee-num {
      width: 44px;
      height: 44px;
      background: rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
      color: #FBBF24;
    }

    .guarantee-item h4 {
      font-size: 1rem;
      margin-bottom: 2px;
      color: var(--white);
    }

    .guarantee-item p {
      font-size: 0.8rem;
      color: #CBD5E1;
    }

    /* 14. 转化驱动表单区 (Contact CTA) */
    .cta-wrapper {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 56px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 60px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--heading);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #F8FAFC;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(27, 67, 50, 0.1);
    }

    .checkbox-group {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .checkbox-label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--body);
      cursor: pointer;
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--primary-dark);
      color: #94A3B8;
      padding: 72px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-brand {
      color: var(--white);
      font-size: 1.35rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-desc {
      font-size: 0.9rem;
      line-height: 1.8;
      color: #94A3B8;
      margin-bottom: 20px;
    }

    .footer-heading {
      font-size: 1rem;
      color: var(--white);
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      color: #94A3B8;
      font-size: 0.9rem;
    }

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

    .footer-contact-item {
      display: flex;
      gap: 10px;
      margin-bottom: 14px;
      font-size: 0.9rem;
      color: #94A3B8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
    }

    .footer-bottom a {
      color: #94A3B8;
    }

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

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-compare-grid,
      .highlights-grid,
      .curriculum-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .faculty-grid,
      .partners-grid,
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .dark-layout,
      .cta-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
      }
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        gap: 16px;
      }
      .nav-links.active {
        display: flex;
      }
      .hero-compare-grid,
      .highlights-grid,
      .compare-panel,
      .curriculum-grid,
      .faculty-grid,
      .stories-grid,
      .reviews-grid,
      .news-grid,
      .guarantee-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .compare-card.highlight {
        transform: none;
      }
      .panel-col.traditional {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }
      .footer-bottom {
        flex-direction: column;
        gap: 14px;
        text-align: center;
      }
      .section {
        padding: 64px 0;
      }
      .cta-wrapper {
        padding: 32px 20px;
      }
    }