* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      --bg-light: #f8faff;
      --bg-card: rgba(255, 255, 255, 0.72);
      --primary-glow: #3b7cff;
      --secondary-glow: #a855f7;
      --accent-glow: #06b6d4;
      --text-dark: #0b1a33;
      --text-muted: #3a4a6b;
      --border-light: rgba(59, 124, 255, 0.15);
      --shadow-glow: 0 0 30px rgba(59, 124, 255, 0.25), 0 0 60px rgba(168, 85, 247, 0.12);
      --radius-lg: 28px;
      --radius-md: 18px;
      --radius-sm: 12px;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: #f0f4ff;
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* 全局荧光氛围背景 —— 贯穿全页 */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background:
        radial-gradient(circle at 20% 30%, rgba(59, 124, 255, 0.10) 0%, transparent 45%),
        radial-gradient(circle at 80% 60%, rgba(168, 85, 247, 0.09) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.07) 0%, transparent 55%);
      pointer-events: none;
      z-index: 0;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 1;
    }

    /* 导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.78);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(59, 124, 255, 0.18);
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.02);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 68px;
      gap: 16px;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 按用户要求 */
      list-style: none;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-dark);
      text-decoration: none;
      border-radius: 30px;
      transition: all 0.25s ease;
      position: relative;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--primary-glow);
      background: rgba(59, 124, 255, 0.08);
      box-shadow: 0 0 16px rgba(59, 124, 255, 0.15);
    }

    .nav-cta {
      padding: 8px 20px;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      color: #fff !important;
      border-radius: 40px;
      font-weight: 600;
      box-shadow: 0 4px 18px rgba(59, 124, 255, 0.35);
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(59, 124, 255, 0.5);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: 1px solid rgba(59, 124, 255, 0.3);
      border-radius: 10px;
      padding: 6px 10px;
      font-size: 22px;
      cursor: pointer;
      color: var(--text-dark);
      line-height: 1;
    }

    /* Hero —— 无图片 */
    .hero {
      padding: 80px 0 70px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.9rem;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
      background: linear-gradient(120deg, #0b1a33 20%, #3b7cff 60%, #a855f7 90%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      /* 保险：透明文字下有深色背景兜底 */
      text-shadow: 0 0 0 #fff;
    }

    .hero-content p {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 540px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 38px;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 8px 28px rgba(59, 124, 255, 0.4);
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 36px rgba(59, 124, 255, 0.55);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      background: transparent;
      color: var(--text-dark);
      font-weight: 600;
      font-size: 1rem;
      border-radius: 50px;
      text-decoration: none;
      border: 1.5px solid rgba(59, 124, 255, 0.5);
      transition: all 0.3s ease;
    }

    .btn-outline:hover {
      background: rgba(59, 124, 255, 0.06);
      border-color: var(--primary-glow);
      box-shadow: 0 0 20px rgba(59, 124, 255, 0.2);
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      background: rgba(255, 255, 255, 0.65);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      border: 1px solid rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow-glow);
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用章节 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-header h2 {
      font-size: 2.2rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      margin-bottom: 14px;
      color: var(--text-dark);
    }

    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* 卡片通用 */
    .card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.9);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.02);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(59, 124, 255, 0.12), 0 0 30px rgba(168, 85, 247, 0.08);
    }

    /* 服务能力卡片组 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 24px;
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(59, 124, 255, 0.15), rgba(168, 85, 247, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
      border: 1px solid rgba(59, 124, 255, 0.2);
    }

    /* 对比表格 */
    .compare-table-wrap {
      overflow-x: auto;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.9);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 680px;
      font-size: 0.95rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 22px;
      text-align: left;
      border-bottom: 1px solid rgba(59, 124, 255, 0.1);
    }

    .compare-table th {
      background: rgba(59, 124, 255, 0.06);
      font-weight: 700;
      color: var(--text-dark);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .highlight-cell {
      font-weight: 700;
      color: #7c3aed;
      background: rgba(168, 85, 247, 0.05);
    }

    .rating-stars {
      color: #fbbf24;
      font-size: 1.15rem;
      letter-spacing: 2px;
    }

    /* 流程步骤 */
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-item {
      text-align: center;
      padding: 28px 16px;
      background: rgba(255, 255, 255, 0.6);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.9);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      counter-increment: step;
    }

    .step-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(59, 124, 255, 0.1);
    }

    .step-item::before {
      content: counter(step, decimal-leading-zero);
      display: block;
      font-size: 2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 12px;
    }

    .step-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: rgba(255, 255, 255, 0.68);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 24px 26px;
      border: 1px solid rgba(255, 255, 255, 0.9);
      transition: all 0.3s ease;
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 30px rgba(59, 124, 255, 0.1);
    }

    .review-text {
      font-size: 0.96rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .author-info strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-dark);
    }

    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.9);
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item:hover {
      border-color: rgba(59, 124, 255, 0.3);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 24px;
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      user-select: none;
      color: var(--text-dark);
      gap: 16px;
    }

    .faq-question::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary-glow);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.25s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 20px;
    }

    /* 表单 */
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-dark);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(59, 124, 255, 0.25);
      background: rgba(255, 255, 255, 0.85);
      font-size: 0.95rem;
      color: var(--text-dark);
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
      font-family: inherit;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary-glow);
      box-shadow: 0 0 0 3px rgba(59, 124, 255, 0.15);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    .submit-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 48px;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 24px rgba(59, 124, 255, 0.35);
      transition: all 0.3s ease;
    }

    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(59, 124, 255, 0.5);
    }

    /* 素材图与案例 */
    .media-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .media-main {
      border-radius: var(--radius-md);
      overflow: hidden;
      background: rgba(255, 255, 255, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.9);
      padding: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-main img {
      width: 100%;
      height: auto;
      max-height: 280px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      transition: transform 0.3s ease;
    }

    .media-main img:hover {
      transform: scale(1.02);
    }

    .media-side {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .media-side-item {
      flex: 1;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: rgba(255, 255, 255, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.9);
      padding: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-side-item img {
      width: 100%;
      height: auto;
      max-height: 140px;
      object-fit: contain;
      border-radius: var(--radius-sm);
    }

    /* Token 比价 */
    .token-compare {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 32px;
    }

    .token-card {
      background: rgba(255, 255, 255, 0.68);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid rgba(255, 255, 255, 0.9);
    }

    .token-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: #7c3aed;
    }

    .token-price small {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    /* 标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .tag {
      padding: 6px 16px;
      background: rgba(59, 124, 255, 0.08);
      border: 1px solid rgba(59, 124, 255, 0.2);
      border-radius: 30px;
      font-size: 0.85rem;
      color: var(--text-dark);
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .tag:hover {
      background: rgba(59, 124, 255, 0.16);
      border-color: var(--primary-glow);
    }

    /* 文章 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }

    .article-card {
      background: rgba(255, 255, 255, 0.65);
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid rgba(255, 255, 255, 0.9);
      transition: all 0.3s ease;
    }

    .article-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 28px rgba(59, 124, 255, 0.1);
    }

    .article-card h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-dark);
    }

    .article-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .contact-card {
      background: rgba(255, 255, 255, 0.68);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid rgba(255, 255, 255, 0.9);
    }

    .contact-item {
      display: flex;
      gap: 12px;
      margin-bottom: 16px;
      align-items: flex-start;
    }

    .contact-item .icon {
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .contact-item strong {
      color: var(--text-dark);
      display: block;
      font-size: 0.9rem;
      margin-bottom: 2px;
    }

    .contact-item span {
      color: var(--text-muted);
      font-size: 0.9rem;
      word-break: break-all;
    }

    .kefu-img {
      max-width: 160px;
      border-radius: var(--radius-sm);
      margin-top: 8px;
    }

    /* 友链 */
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .friend-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      padding: 4px 14px;
      border-radius: 30px;
      background: rgba(255, 255, 255, 0.6);
      border: 1px solid rgba(59, 124, 255, 0.15);
      transition: all 0.2s ease;
    }

    .friend-links a:hover {
      color: var(--primary-glow);
      border-color: var(--primary-glow);
    }

    /* 页脚 */
    .site-footer {
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(14px);
      border-top: 1px solid rgba(59, 124, 255, 0.15);
      padding: 48px 0 32px;
      color: var(--text-dark);
      margin-top: 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 10px;
      max-width: 320px;
    }

    .footer-col h5 {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 14px;
      color: var(--text-dark);
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

    .footer-col a:hover {
      color: var(--primary-glow);
    }

    .footer-bottom {
      border-top: 1px solid rgba(59, 124, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .footer-bottom a {
      color: var(--text-muted);
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: var(--primary-glow);
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 200;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }

    .float-kefu-btn {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(135deg, #3b7cff, #a855f7);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      cursor: pointer;
      box-shadow: 0 8px 28px rgba(59, 124, 255, 0.45);
      transition: all 0.3s ease;
      border: none;
    }

    .float-kefu-btn:hover {
      transform: scale(1.08);
      box-shadow: 0 12px 36px rgba(59, 124, 255, 0.6);
    }

    .float-kefu-pop {
      display: none;
      position: absolute;
      bottom: 70px;
      right: 0;
      background: #fff;
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
      border: 1px solid rgba(59, 124, 255, 0.15);
      width: 200px;
      text-align: center;
    }

    .float-kefu-pop.show {
      display: block;
    }

    .float-kefu-pop img {
      max-width: 140px;
      border-radius: 8px;
      margin-bottom: 8px;
    }

    .float-kefu-pop p {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 返回顶部 */
    .back-top {
      position: fixed;
      bottom: 30px;
      left: 30px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(59, 124, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      color: var(--text-dark);
      z-index: 200;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    }

    .back-top.show {
      opacity: 1;
      visibility: visible;
    }

    .back-top:hover {
      background: #fff;
      border-color: var(--primary-glow);
      box-shadow: 0 0 20px rgba(59, 124, 255, 0.25);
    }

    /* 动画 */
    .fade-up {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-content h1 {
        font-size: 2.4rem;
      }
      .steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 1px solid rgba(59, 124, 255, 0.15);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links a {
        padding: 12px 16px;
        width: 100%;
        border-radius: 8px;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .hero-content p {
        font-size: 1rem;
      }
      .hero-stats {
        padding: 20px 16px;
      }
      .stat-number {
        font-size: 1.8rem;
      }
      .compare-table th,
      .compare-table td {
        padding: 12px 16px;
        font-size: 0.85rem;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .media-grid {
        grid-template-columns: 1fr;
      }
      .token-compare {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .section-header h2 {
        font-size: 1.7rem;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .float-kefu {
        bottom: 20px;
        right: 20px;
      }
      .back-top {
        bottom: 20px;
        left: 20px;
      }
    }

    @media (max-width: 480px) {
      .container {
        padding: 0 16px;
      }
      .hero {
        padding: 50px 0 40px;
      }
      .hero-content h1 {
        font-size: 1.7rem;
      }
      .steps {
        grid-template-columns: 1fr;
      }
      .btn-primary,
      .btn-outline {
        width: 100%;
        text-align: center;
      }
      .hero-actions {
        flex-direction: column;
      }
    }