/* roulang page: index */
:root {
      --primary: #1E40AF;
      --accent: #2563EB;
      --highlight: #0284C7;
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --dark-block: #0F172A;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-full: 9999px;
      --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(30, 64, 175, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
      --max-width: 1200px;
    }

    * {
      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", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

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

    .container {
      max-width: var(--max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* TopBar & Nav */
    .top-bar {
      background-color: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.85rem;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .header-main {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--primary);
    }
    .brand-badge {
      font-size: 0.72rem;
      background: #EFF6FF;
      color: var(--accent);
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 600;
      border: 1px solid #DBEAFE;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 24px;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }
    .btn-nav {
      background: var(--accent);
      color: #FFF;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    }
    .btn-nav:hover {
      background: var(--primary);
      box-shadow: 0 6px 16px rgba(30, 64, 175, 0.3);
    }

    /* Section Global */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-title-wrap {
      max-width: 800px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--accent);
      background: #EFF6FF;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 12px;
      border: 1px solid #DBEAFE;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Banner: 全宽浅色顶栏 + 矮横幅 */
    .hero-banner {
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 40%, #E0E7FF 100%);
      padding: 56px 0 64px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }
    .hero-content {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      align-items: center;
      gap: 40px;
    }
    .hero-text h1 {
      font-size: 2.5rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .hero-text h1 span {
      color: var(--accent);
    }
    .hero-lead {
      font-size: 1.08rem;
      color: #334155;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .hero-action-group {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: var(--accent);
      color: #FFF;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: #FFFFFF;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      font-weight: 600;
      padding: 13px 26px;
      border-radius: var(--radius-sm);
    }
    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
    .hero-media-wrapper {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.15);
      border: 3px solid #FFF;
      max-height: 380px;
    }
    .hero-media-wrapper img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-data-float {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      color: #FFF;
      display: flex;
      justify-content: space-around;
      align-items: center;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .float-item {
      text-align: center;
    }
    .float-num {
      font-size: 1.25rem;
      font-weight: 800;
      color: #38BDF8;
    }
    .float-lbl {
      font-size: 0.75rem;
      color: #94A3B8;
    }

    /* Plate 2: 合集目录 (Catalog Bento) */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .catalog-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .catalog-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #BFDBFE;
    }
    .catalog-card-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .catalog-icon {
      width: 44px;
      height: 44px;
      background: #EFF6FF;
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      font-weight: 800;
      font-size: 1.2rem;
    }
    .catalog-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .catalog-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .catalog-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 16px;
    }
    .tag-badge {
      background: #F1F5F9;
      color: #475569;
      font-size: 0.78rem;
      padding: 3px 10px;
      border-radius: var(--radius-full);
    }
    .catalog-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .catalog-link:hover {
      color: var(--primary);
    }

    /* Plate 3: 相关推荐 (Course Grid) */
    .recom-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .course-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .course-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .course-thumb {
      height: 180px;
      position: relative;
      overflow: hidden;
    }
    .course-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .course-card:hover .course-thumb img {
      transform: scale(1.05);
    }
    .course-level {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(15, 23, 42, 0.75);
      color: #FFF;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      backdrop-filter: blur(4px);
    }
    .course-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .course-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .course-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .course-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      font-size: 0.85rem;
    }
    .course-hours {
      color: var(--text-muted);
    }
    .btn-apply {
      background: #EFF6FF;
      color: var(--accent);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      border: 1px solid #DBEAFE;
    }
    .btn-apply:hover {
      background: var(--accent);
      color: #FFF;
    }

    /* Plate 4: 资讯 (Articles & Industry) */
    .news-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
    }
    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }
    .news-card:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-hover);
    }
    .news-date {
      font-size: 0.8rem;
      color: #94A3B8;
      margin-bottom: 10px;
    }
    .news-headline {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* Plate 5: 收藏分享与技术栈 (Dark Block) */
    .dark-section {
      background-color: var(--dark-block);
      color: #F8FAFC;
    }
    .dark-section .section-title {
      color: #F8FAFC;
    }
    .dark-section .section-desc {
      color: #94A3B8;
    }
    .dark-section .section-tag {
      background: rgba(37, 99, 235, 0.2);
      border-color: rgba(37, 99, 235, 0.4);
      color: #60A5FA;
    }
    .terminal-box {
      background: #020617;
      border: 1px solid #334155;
      border-radius: var(--radius-md);
      overflow: hidden;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    .terminal-header {
      background: #1E293B;
      padding: 10px 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .term-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
    }
    .term-dot.red { background: #EF4444; }
    .term-dot.yellow { background: #F59E0B; }
    .term-dot.green { background: #10B981; }
    .term-body {
      padding: 24px;
      font-size: 0.9rem;
      line-height: 1.8;
      color: #CBD5E1;
    }
    .code-accent { color: #38BDF8; }
    .code-keyword { color: #F472B6; }
    .code-string { color: #A7F3D0; }

    /* Plate 6: 专题索引 (Special Topics) */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .topic-pill-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
      text-align: left;
      transition: all 0.2s;
    }
    .topic-pill-card:hover {
      background: #EFF6FF;
      border-color: var(--accent);
      transform: translateY(-2px);
    }
    .topic-num {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .topic-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .topic-brief {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Plate 7: 办学数据指标看板 (Data Matrix) */
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .metric-value {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
      line-height: 1.1;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* Plate 8: 里程碑时间线 (Learning Path Timeline) */
    .timeline-container {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
    }
    .timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: #CBD5E1;
      transform: translateX(-50%);
    }
    .timeline-step {
      display: flex;
      justify-content: space-between;
      margin-bottom: 40px;
      position: relative;
    }
    .timeline-step:nth-child(even) {
      flex-direction: row-reverse;
    }
    .timeline-content {
      width: 44%;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .timeline-dot {
      width: 20px;
      height: 20px;
      background: var(--accent);
      border: 4px solid #FFF;
      border-radius: 50%;
      position: absolute;
      left: 50%;
      top: 24px;
      transform: translateX(-50%);
      box-shadow: 0 0 0 2px var(--accent);
    }
    .timeline-phase {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .timeline-detail {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Plate 9: 结果对比 (Before vs After) */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .compare-box {
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--border-color);
      background: var(--bg-surface);
    }
    .compare-box.before {
      background: #FFF1F2;
      border-color: #FECDD3;
    }
    .compare-box.after {
      background: #F0FDF4;
      border-color: #BBF7D0;
    }
    .compare-heading {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compare-heading.bad { color: #BE123C; }
    .compare-heading.good { color: #15803D; }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .compare-list li {
      font-size: 0.95rem;
      line-height: 1.6;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .compare-box.before li { color: #9F1239; }
    .compare-box.after li { color: #166534; }

    /* Plate 10: 用户口碑 (Testimonials) */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .review-quote {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent);
      font-size: 0.9rem;
    }
    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Plate 11: 平台安全保障与协议 (Platform Guarantee) */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-card {
      background: var(--bg-surface);
      padding: 24px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      text-align: center;
    }
    .guarantee-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .guarantee-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Plate 12: 常见疑难解答 (FAQ Accordion) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item:hover {
      border-color: #BFDBFE;
    }
    .faq-item input[type="checkbox"] {
      display: none;
    }
    .faq-label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      user-select: none;
    }
    .faq-label::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }
    .faq-item input[type="checkbox"]:checked ~ .faq-label::after {
      content: "−";
      transform: rotate(180deg);
      color: var(--accent);
    }
    .faq-drawer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease;
      background: #F8FAFC;
    }
    .faq-item input[type="checkbox"]:checked ~ .faq-drawer {
      max-height: 300px;
      padding: 0 24px 20px 24px;
      border-top: 1px solid #F1F5F9;
    }
    .faq-drawer p {
      font-size: 0.94rem;
      color: var(--text-body);
      line-height: 1.7;
      padding-top: 16px;
    }

    /* Plate 13: 转化表单 (Conversion CTA) */
    .convert-section {
      background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 100%);
      color: #FFF;
      border-top: none;
    }
    .convert-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .convert-info h2 {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #FFF;
    }
    .convert-info p {
      font-size: 1.05rem;
      color: #BFDBFE;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .convert-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .convert-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: #EFF6FF;
    }
    .convert-form {
      background: #FFFFFF;
      padding: 36px;
      border-radius: var(--radius-md);
      box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
    }
    .form-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-subtitle {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .btn-submit {
      width: 100%;
      background: var(--accent);
      color: #FFF;
      border: none;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: background 0.2s ease, transform 0.1s ease;
      margin-top: 8px;
    }
    .btn-submit:hover {
      background: var(--primary);
    }
    .form-privacy-note {
      font-size: 0.75rem;
      color: #94A3B8;
      text-align: center;
      margin-top: 12px;
      line-height: 1.4;
    }

    /* Footer */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 64px 0 32px 0;
      border-top: 1px solid #1E293B;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 14px;
    }
    .footer-brand-desc {
      font-size: 0.88rem;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 18px;
    }
    .footer-heading {
      font-size: 1rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #38BDF8;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748B;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .catalog-grid, .recom-grid, .news-wrapper, .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topics-grid, .guarantee-grid, .metrics-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .convert-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      section {
        padding: 56px 0;
      }
      .hero-text h1 {
        font-size: 1.85rem;
      }
      .catalog-grid, .recom-grid, .news-wrapper, .review-grid, .topics-grid, .guarantee-grid, .metrics-row, .compare-container {
        grid-template-columns: 1fr;
      }
      .timeline-container::before {
        left: 20px;
      }
      .timeline-step, .timeline-step:nth-child(even) {
        flex-direction: column;
        padding-left: 44px;
      }
      .timeline-content {
        width: 100%;
      }
      .timeline-dot {
        left: 20px;
      }
      .nav-menu {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }