/* 全局基底与变量 */
    :root {
      --bg-base: #fbf9f6;
      --bg-section: #ffffff;
      --text-primary: #1e1e1e;
      --text-secondary: #4a4a4a;
      --text-light: #6b6b6b;
      --brand-primary: #6d4aff;
      --brand-secondary: #ff7a5c;
      --brand-accent: #3abfc1;
      --brand-mild: #f0ebff;
      --card-bg: #ffffff;
      --card-border: #f0ece6;
      --card-shadow: 0 8px 24px rgba(0,0,0,0.04);
      --card-shadow-hover: 0 16px 40px rgba(0,0,0,0.08);
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-sm: 12px;
      --nav-height: 68px;
      --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-base);
      color: var(--text-primary);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* 顶部导航 */
    .site-header {
      background-color: rgba(251, 249, 246, 0.92);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid rgba(240, 236, 230, 0.8);
      height: var(--nav-height);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .brand-logo img {
      width: 120px;
      height: auto;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      padding: 6px 12px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 8px;
      transition: background 0.2s, color 0.2s;
      white-space: nowrap;
    }
    .nav-links a:hover {
      background: var(--brand-mild);
      color: var(--brand-primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 10px 22px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
      text-decoration: none;
    }
    .btn:active { transform: scale(0.97); }
    .btn-primary {
      background: linear-gradient(135deg, #6d4aff, #9e6bff);
      color: #fff;
      box-shadow: 0 4px 14px rgba(109, 74, 255, 0.3);
    }
    .btn-primary:hover {
      box-shadow: 0 10px 24px rgba(109, 74, 255, 0.4);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--brand-primary);
      color: var(--brand-primary);
    }
    .btn-outline:hover {
      background: var(--brand-mild);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: var(--brand-secondary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(255, 122, 92, 0.3);
    }
    .btn-secondary:hover {
      box-shadow: 0 10px 24px rgba(255, 122, 92, 0.4);
      transform: translateY(-2px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--text-primary);
      padding: 4px;
    }
    /* 移动端导航 */
    .mobile-nav {
      display: none;
      position: fixed;
      inset: var(--nav-height) 0 0 0;
      background: #fff;
      z-index: 99;
      padding: 24px 20px;
      flex-direction: column;
      gap: 8px;
      overflow-y: auto;
    }
    .mobile-nav.active {
      display: flex;
    }
    .mobile-nav a {
      padding: 12px 16px;
      font-size: 1.05rem;
      font-weight: 500;
      border-radius: 10px;
      color: var(--text-primary);
      transition: background 0.2s;
      border-bottom: 1px solid #f5f2ee;
    }
    .mobile-nav a:hover { background: var(--brand-mild); }
    .mobile-nav .btn { width: 100%; margin-top: 12px; }
    /* 模块通用 */
    .section {
      padding: 72px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--brand-primary);
      background: var(--brand-mild);
      padding: 4px 14px;
      border-radius: 50px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* Hero 首屏（无图片） */
    .hero {
      padding: 80px 0 72px;
      background: linear-gradient(160deg, #fbf9f6 0%, #f3efff 50%, #fff5f0 100%);
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(109,74,255,0.08) 0%, transparent 70%);
      top: -200px;
      right: -100px;
      pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,122,92,0.06) 0%, transparent 70%);
      bottom: -150px;
      left: -80px;
      pointer-events: none;
    }
    .hero-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 1;
    }
    .hero-content h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-primary);
    }
    .hero-content h1 .highlight {
      background: linear-gradient(135deg, #6d4aff, #ff7a5c);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .hero-sub {
      font-size: 1.1rem;
      color: var(--text-secondary);
      margin-bottom: 28px;
      line-height: 1.7;
      max-width: 540px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.9rem;
      color: var(--text-light);
    }
    .hero-trust span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-trust span::before {
      content: '✓';
      color: var(--brand-accent);
      font-weight: 700;
    }
    .hero-visual {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .stat-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .stat-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--card-border);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .stat-card .stat-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }
    .stat-card .stat-label {
      font-size: 0.85rem;
      color: var(--text-secondary);
      font-weight: 500;
    }
    .model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 8px;
    }
    .model-chip {
      background: #fff;
      border: 1px solid var(--card-border);
      border-radius: 50px;
      padding: 6px 14px;
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: background 0.2s, border-color 0.2s;
    }
    .model-chip:hover {
      background: var(--brand-mild);
      border-color: var(--brand-primary);
      color: var(--brand-primary);
    }
    /* 服务卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--brand-primary);
    }
    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--brand-mild);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--brand-primary);
      margin-bottom: 4px;
    }
    .service-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-primary);
    }
    .service-card p {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.65;
      flex: 1;
    }
    /* 流程步骤 */
    .steps-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .step-item {
      text-align: center;
      position: relative;
      padding: 20px 12px;
    }
    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6d4aff, #9e6bff);
      color: #fff;
      font-weight: 800;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 6px 16px rgba(109,74,255,0.25);
    }
    .step-item h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-primary);
    }
    .step-item p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    /* 对比表格 */
    .compare-table-wrap {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--card-border);
      background: #fff;
      box-shadow: var(--card-shadow);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.9rem;
      min-width: 640px;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--card-border);
    }
    .compare-table th {
      background: #faf7ff;
      font-weight: 700;
      color: var(--text-primary);
      font-size: 0.9rem;
    }
    .compare-table tr:last-child td { border-bottom: none; }
    .compare-table td:first-child {
      font-weight: 600;
      color: var(--text-primary);
    }
    .compare-table .highlight-col {
      background: #f9f5ff;
      font-weight: 600;
      color: var(--brand-primary);
    }
    .rating-stars {
      color: #ffb800;
      font-size: 1rem;
      letter-spacing: 2px;
    }
    .rating-score {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--brand-primary);
    }
    /* 用户评论卡片 */
    .review-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .review-stars {
      color: #ffb800;
      font-size: 0.9rem;
      letter-spacing: 2px;
    }
    .review-text {
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex: 1;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-primary);
    }
    .review-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--brand-mild);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--brand-primary);
      font-size: 0.9rem;
    }
    /* 案例卡片 */
    .case-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .case-img-wrap {
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #f5f2ee;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 18px 20px;
    }
    .case-body h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .case-body p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    /* 文章列表 */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 20px;
      background: #fff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--card-border);
      transition: box-shadow 0.2s, transform 0.2s;
    }
    .article-item:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateX(4px);
    }
    .article-index {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--brand-primary);
      background: var(--brand-mild);
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .article-title {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-primary);
      flex: 1;
      transition: color 0.2s;
    }
    .article-item:hover .article-title { color: var(--brand-primary); }
    .article-arrow {
      color: var(--text-light);
      font-size: 1.1rem;
    }
    /* 表单 */
    .form-card {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-field.full { grid-column: 1 / -1; }
    .form-field label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-primary);
    }
    .form-field input,
    .form-field select,
    .form-field textarea {
      width: 100%;
      padding: 12px 16px;
      border-radius: 10px;
      border: 1.5px solid #e8e2da;
      background: #fcfaf8;
      font-size: 0.9rem;
      font-family: inherit;
      color: var(--text-primary);
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(109,74,255,0.12);
    }
    .form-field textarea {
      resize: vertical;
      min-height: 100px;
    }
    .form-submit {
      grid-column: 1 / -1;
      margin-top: 8px;
    }
    /* FAQ */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .faq-item {
      background: #fff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--card-border);
      overflow: hidden;
      transition: box-shadow 0.2s;
    }
    .faq-item:hover { box-shadow: var(--card-shadow); }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-primary);
      text-align: left;
      font-family: inherit;
      transition: background 0.2s;
    }
    .faq-question:hover { background: #faf7ff; }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--brand-primary);
      transition: transform 0.3s;
      flex-shrink: 0;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 22px;
      font-size: 0.9rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 22px 18px;
    }
    /* 标签云 & token 参考 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .tag-item {
      background: #fff;
      border: 1px solid var(--card-border);
      border-radius: 50px;
      padding: 8px 18px;
      font-size: 0.85rem;
      color: var(--text-secondary);
      transition: all 0.2s;
      cursor: default;
    }
    .tag-item:hover {
      background: var(--brand-mild);
      border-color: var(--brand-primary);
      color: var(--brand-primary);
      transform: translateY(-2px);
    }
    /* 价格参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .price-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .price-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .price-card .price-name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
    }
    .price-card .price-value {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--brand-primary);
    }
    .price-card .price-note {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    /* 页脚 */
    .site-footer {
      background: #1e1a2e;
      color: #d4d0e0;
      padding: 48px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .footer-logo {
      margin-bottom: 12px;
    }
    .footer-brand .footer-logo img {
      width: 130px;
      height: auto;
      
    }
    .footer-brand p {
      font-size: 0.85rem;
      color: #a9a4c0;
      line-height: 1.7;
      max-width: 280px;
    }
    .footer-col h4 {
      font-size: 0.9rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-col a, .footer-col p {
      font-size: 0.82rem;
      color: #a9a4c0;
      transition: color 0.2s;
      line-height: 1.6;
    }
    .footer-col a:hover { color: #fff; }
    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 0.82rem;
      color: #a9a4c0;
      line-height: 1.6;
    }
    .footer-contact-item img {
      width: 80px;
      height: 80px;
      border-radius: 8px;
      margin-top: 6px;
      background: #fff;
      padding: 4px;
    }
    .footer-bottom {
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 0.78rem;
      color: #8a85a0;
    }
    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-friend-links a {
      color: #a9a4c0;
      transition: color 0.2s;
    }
    .footer-friend-links a:hover { color: #fff; }
    /* 浮动客服 & 返回顶部 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 90;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #fff;
      border: 1px solid var(--card-border);
      box-shadow: 0 4px 16px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
      font-size: 1.2rem;
      color: var(--brand-primary);
      position: relative;
    }
    .float-btn:hover {
      transform: scale(1.08);
      box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    }
    .float-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #fff;
      border-radius: 12px;
      padding: 10px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.15);
      display: none;
      width: 140px;
      border: 1px solid var(--card-border);
    }
    .float-btn:hover .float-qr-pop { display: block; }
    .float-qr-pop img { border-radius: 8px; }
    /* 响应式 */
    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; gap: 32px; }
      .hero-content h1 { font-size: 2rem; }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .steps-wrap { grid-template-columns: repeat(2, 1fr); }
      .price-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-actions .btn { display: none; }
      .menu-toggle { display: block; }
      .section { padding: 48px 0; }
      .section-title { font-size: 1.6rem; }
      .hero { padding: 48px 0; }
      .hero-content h1 { font-size: 1.7rem; }
      .grid-3, .grid-2 { grid-template-columns: 1fr; }
      .steps-wrap { grid-template-columns: 1fr; }
      .price-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .form-card { padding: 24px; }
      .footer-grid { grid-template-columns: 1fr; gap: 24px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
      .stat-cards { grid-template-columns: 1fr 1fr; }
      .hero-trust { gap: 12px; font-size: 0.82rem; }
    }
    @media (max-width: 480px) {
      .stat-cards { grid-template-columns: 1fr; }
      .hero-actions { flex-direction: column; }
      .hero-actions .btn { width: 100%; }
    }
    /* 滚动条美化 */
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    ::-webkit-scrollbar-track { background: #f5f2ee; }
    ::-webkit-scrollbar-thumb { background: #c9c3d9; border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: #a9a4c0; }