/* 全局重置与基础变量 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    :root {
      --primary: #1a47b8;
      --primary-light: #2b5fd9;
      --primary-soft: #eef2ff;
      --primary-deep: #0b2a7a;
      --accent: #ff8a3c;
      --accent-soft: #fff3e9;
      --gray-bg: #f5f8ff;
      --gray-border: #dbe4f0;
      --text-main: #1a2738;
      --text-sub: #4b5e74;
      --text-light: #6c7e96;
      --white: #ffffff;
      --shadow-sm: 0 8px 20px rgba(26, 71, 184, 0.06);
      --shadow-md: 0 16px 40px rgba(26, 71, 184, 0.10);
      --shadow-hover: 0 24px 48px rgba(26, 71, 184, 0.16);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 32px;
      --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
      --container: 1200px;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font);
      background: var(--gray-bg);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    ul, ol {
      list-style: none;
    }
    /* 容器 */
    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航 */
    .header {
      background: var(--white);
      border-bottom: 1px solid var(--gray-border);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(4px);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .ai-page-logo {
      max-height: 40px;
      width: auto;
    }
    .brand-text {
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--primary-deep);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 按需求设置gap为0 */
      flex-wrap: wrap;
    }
    .nav-links a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: 8px;
      transition: color 0.2s, background 0.2s;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: 40px;
      font-weight: 600;
      font-size: 0.94rem;
      border: none;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
      white-space: nowrap;
      line-height: 1.2;
    }
    .btn-primary {
      background: var(--primary);
      color: var(--white);
    }
    .btn-primary:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    .btn-outline {
      background: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary-soft);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: var(--accent);
      color: var(--white);
    }
    .btn-accent:hover {
      background: #f07c2a;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 138, 60, 0.3);
    }
    .btn-sm {
      padding: 8px 18px;
      font-size: 0.88rem;
    }
    /* 移动端导航切换 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span {
      display: block;
      width: 26px;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: 0.3s;
    }
    @media (max-width: 992px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--gray-border);
        gap: 0;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--gray-border);
        border-radius: 0;
      }
      .nav-links a:last-child {
        border-bottom: none;
      }
      .nav-cta .btn {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .nav-wrapper {
        position: relative;
      }
    }
    @media (max-width: 480px) {
      .brand-text {
        font-size: 1rem;
      }
      .container {
        padding: 0 16px;
      }
    }
    /* 首屏 Hero - 无图片 */
    .hero {
      padding: 64px 0 72px;
      background: linear-gradient(135deg, #f0f5ff 0%, #e8efff 100%);
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      top: -20%;
      right: -10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(26, 71, 184, 0.06) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }
    .hero-badge {
      display: inline-block;
      background: var(--white);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.85rem;
      padding: 6px 18px;
      border-radius: 40px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 22px;
      border: 1px solid rgba(26, 71, 184, 0.1);
    }
    .hero h1 {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary-deep);
      line-height: 1.2;
      max-width: 900px;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-sub);
      max-width: 700px;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-actions .btn {
      padding: 14px 34px;
      font-size: 1.05rem;
    }
    /* 指标卡片 */
    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 28px;
      flex-wrap: wrap;
      width: 100%;
    }
    .hero-stat-item {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 18px 30px;
      box-shadow: var(--shadow-sm);
      min-width: 140px;
      border: 1px solid rgba(255, 255, 255, 0.7);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .hero-stat-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .hero-stat-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }
    .hero-stat-label {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: 500;
    }
    @media (max-width: 768px) {
      .hero h1 {
        font-size: 2rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
      .hero-actions .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
      }
      .hero-stats {
        gap: 12px;
      }
      .hero-stat-item {
        padding: 14px 18px;
        min-width: 110px;
      }
      .hero-stat-number {
        font-size: 1.4rem;
      }
    }
    /* 通用区块 */
    .section {
      padding: 72px 0;
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-soft);
      padding: 4px 16px;
      border-radius: 40px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .section-sub {
      font-size: 1rem;
      color: var(--text-light);
      max-width: 700px;
      margin: 0 auto;
    }
    @media (max-width: 768px) {
      .section {
        padding: 48px 0;
      }
      .section-title {
        font-size: 1.6rem;
      }
    }
    /* 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: 28px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    @media (max-width: 992px) {
      .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
      }
    }
    /* 卡片通用 */
    .card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(219, 228, 240, 0.6);
      transition: transform 0.3s, box-shadow 0.3s;
      display: flex;
      flex-direction: column;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--primary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 18px;
      color: var(--primary);
      font-weight: 700;
    }
    .card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .card p {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.6;
      flex-grow: 1;
    }
    /* 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: start;
    }
    .about-content p {
      color: var(--text-sub);
      margin-bottom: 18px;
      font-size: 0.98rem;
    }
    .about-highlight {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .about-highlight h4 {
      font-size: 1.1rem;
      margin-bottom: 16px;
      color: var(--primary-deep);
    }
    .about-highlight li {
      display: flex;
      gap: 10px;
      padding: 8px 0;
      color: var(--text-sub);
      font-size: 0.94rem;
      border-bottom: 1px solid var(--gray-border);
    }
    .about-highlight li:last-child {
      border-bottom: none;
    }
    .about-highlight li::before {
      content: '✓';
      color: var(--primary);
      font-weight: 700;
      flex-shrink: 0;
    }
    @media (max-width: 768px) {
      .about-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }
    /* 对比评测 */
    .compare-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--gray-border);
    }
    .compare-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 28px;
    }
    .compare-score {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .score-big {
      font-size: 3.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }
    .score-stars {
      font-size: 1.4rem;
      color: #f5a623;
      letter-spacing: 2px;
    }
    .compare-table-wrap {
      overflow-x: auto;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 600px;
      font-size: 0.94rem;
    }
    th {
      text-align: left;
      padding: 14px 16px;
      background: var(--primary-soft);
      color: var(--primary-deep);
      font-weight: 700;
      white-space: nowrap;
    }
    td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--gray-border);
      color: var(--text-sub);
    }
    tr:last-child td {
      border-bottom: none;
    }
    .best {
      color: var(--primary);
      font-weight: 700;
    }
    /* 流程步骤 */
    .steps {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-top: 20px;
    }
    .step-item {
      display: flex;
      gap: 24px;
      align-items: flex-start;
      position: relative;
      padding-bottom: 32px;
    }
    .step-item:last-child {
      padding-bottom: 0;
    }
    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--white);
      font-weight: 700;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      position: relative;
      z-index: 2;
    }
    .step-item:not(:last-child)::before {
      content: '';
      position: absolute;
      left: 23px;
      top: 48px;
      bottom: 0;
      width: 2px;
      background: var(--gray-border);
    }
    .step-content h4 {
      font-size: 1.1rem;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .step-content p {
      color: var(--text-sub);
      font-size: 0.94rem;
    }
    /* 案例展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: var(--white);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s, box-shadow 0.3s;
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .case-img {
      aspect-ratio: 16/10;
      background: var(--primary-soft);
      overflow: hidden;
    }
    .case-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .case-card:hover .case-img img {
      transform: scale(1.04);
    }
    .case-info {
      padding: 18px 20px 20px;
    }
    .case-info h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .case-info p {
      font-size: 0.9rem;
      color: var(--text-light);
    }
    @media (max-width: 768px) {
      .case-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 文章列表 */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 800px;
      margin: 0 auto;
    }
    .article-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: var(--white);
      padding: 16px 24px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .article-item:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-md);
    }
    .article-item a {
      font-weight: 500;
      color: var(--text-main);
      font-size: 0.96rem;
    }
    .article-item .arrow {
      color: var(--primary);
      font-weight: 700;
    }
    /* 表单 */
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      max-width: 800px;
      margin: 0 auto;
    }
    .form-full {
      grid-column: 1 / -1;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-weight: 600;
      font-size: 0.9rem;
      color: var(--text-main);
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 12px 16px;
      border: 1px solid var(--gray-border);
      border-radius: var(--radius-sm);
      font-size: 0.94rem;
      font-family: var(--font);
      background: var(--white);
      transition: border 0.2s, box-shadow 0.2s;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(26, 71, 184, 0.1);
    }
    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }
    .form-submit {
      grid-column: 1 / -1;
      text-align: center;
      margin-top: 8px;
    }
    .form-submit .btn {
      padding: 14px 48px;
      font-size: 1rem;
      width: 100%;
      max-width: 300px;
    }
    @media (max-width: 640px) {
      .form-grid {
        grid-template-columns: 1fr;
      }
    }
    /* FAQ */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--white);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      border: 1px solid var(--gray-border);
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 600;
      color: var(--text-main);
      font-size: 0.98rem;
      transition: background 0.2s;
      gap: 12px;
    }
    .faq-question:hover {
      background: var(--primary-soft);
    }
    .faq-question .icon {
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s;
      flex-shrink: 0;
    }
    .faq-item.open .faq-question .icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s;
      padding: 0 22px;
      color: var(--text-sub);
      font-size: 0.94rem;
      line-height: 1.7;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 22px 22px;
    }
    /* 用户评论 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .review-card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 14px;
      transition: transform 0.3s, box-shadow 0.3s;
      border: 1px solid rgba(219, 228, 240, 0.5);
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .review-text {
      font-size: 0.94rem;
      color: var(--text-sub);
      line-height: 1.7;
      flex-grow: 1;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .review-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .review-name {
      font-weight: 700;
      font-size: 0.94rem;
      color: var(--text-main);
    }
    .review-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    @media (max-width: 992px) {
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .review-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .tag-cloud span {
      background: var(--white);
      padding: 6px 16px;
      border-radius: 40px;
      font-size: 0.88rem;
      color: var(--text-sub);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--gray-border);
      transition: background 0.2s, color 0.2s, transform 0.2s;
    }
    .tag-cloud span:hover {
      background: var(--primary);
      color: var(--white);
      transform: translateY(-2px);
    }
    /* 页脚 */
    .footer {
      background: var(--primary-deep);
      color: #d6e0f5;
      padding: 56px 0 24px;
      margin-top: 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer h4 {
      color: var(--white);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer p {
      font-size: 0.9rem;
      line-height: 1.8;
      color: #b8c9e8;
    }
    .footer ul li {
      margin-bottom: 10px;
    }
    .footer ul a {
      color: #b8c9e8;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .footer ul a:hover {
      color: var(--white);
    }
    .footer-links-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
      margin-bottom: 20px;
    }
    .footer-links-cloud a {
      color: #b8c9e8 !important;
      font-size: 0.85rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: #9eb4d9;
    }
    .footer-bottom a {
      color: #cfdcf0;
    }
    .footer-qr {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 12px;
    }
    .footer-qr img {
      width: 80px;
      height: 80px;
      object-fit: contain;
      border-radius: 8px;
      background: var(--white);
      padding: 4px;
    }
    @media (max-width: 992px) {
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
    /* 浮动客服 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 80px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      border: none;
      font-size: 1.4rem;
      transition: transform 0.2s, background 0.2s;
      font-weight: 700;
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: var(--primary-light);
    }
    .back-top {
      background: var(--white);
      color: var(--primary);
      box-shadow: var(--shadow-md);
      font-size: 1.2rem;
    }
    /* 滚动渐入 */
    .fade-up {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* 其他辅助 */
    .text-center {
      text-align: center;
    }
    .mt-32 {
      margin-top: 32px;
    }
    .mt-24 {
      margin-top: 24px;
    }
    .hidden {
      display: none !important;
    }
    .ai-page-image {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      width: 100%;
    }
    /* 服务网络 */
    .network-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      text-align: center;
    }
    .network-item {
      background: var(--white);
      border-radius: var(--radius-sm);
      padding: 20px 12px;
      box-shadow: var(--shadow-sm);
      font-weight: 600;
      color: var(--text-sub);
      font-size: 0.94rem;
      border: 1px solid var(--gray-border);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .network-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    @media (max-width: 768px) {
      .network-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    /* 价格参考时间线 */
    .token-list {
      max-width: 700px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .token-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--white);
      padding: 14px 24px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      font-size: 0.94rem;
    }
    .token-row .name {
      font-weight: 600;
      color: var(--text-main);
    }
    .token-row .price {
      color: var(--primary);
      font-weight: 700;
    }