:root {
      --bg-base: #f8fafc;
      --bg-card: rgba(255, 255, 255, 0.88);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent-laser: linear-gradient(135deg, #a855f7 0%, #3b82f6 50%, #06b6d4 100%);
      --laser-border: linear-gradient(120deg, rgba(168, 85, 247, 0.4), rgba(59, 130, 246, 0.4), rgba(6, 182, 212, 0.4));
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --shadow-laser: 0 12px 32px rgba(168, 85, 247, 0.15);
      --container-w: 1200px;
      --transition-fast: 0.25s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(at 15% 10%, rgba(217, 70, 239, 0.08) 0px, transparent 50%),
        radial-gradient(at 85% 20%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 60%, rgba(6, 182, 212, 0.06) 0px, transparent 50%),
        radial-gradient(at 80% 90%, rgba(168, 85, 247, 0.07) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      background: var(--accent-laser);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-item a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: block;
      transition: all var(--transition-fast);
    }

    .nav-item a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.05);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-laser {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #ffffff;
      background: var(--accent-laser);
      border-radius: 999px;
      box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
      transition: transform var(--transition-fast), box-shadow var(--transition-fast);
      border: none;
      cursor: pointer;
    }

    .btn-laser:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(79, 70, 229, 0.3);
      border-radius: 999px;
      transition: all var(--transition-fast);
      cursor: pointer;
    }

    .btn-outline:hover {
      background: rgba(79, 70, 229, 0.08);
      border-color: var(--primary);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: transform 0.3s ease;
    }

    /* 首屏 Hero - 严格无图片纯渐变科技风 */
    .hero-section {
      padding: 72px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(168, 85, 247, 0.3);
      box-shadow: 0 4px 14px rgba(168, 85, 247, 0.12);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: -0.8px;
      color: var(--text-main);
      margin-bottom: 20px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-title span {
      background: var(--accent-laser);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-laser);
    }

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

    .stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stat-num span {
      color: var(--primary);
    }

    .stat-label {
      font-size: 0.875rem;
      color: var(--text-light);
      font-weight: 500;
    }

    /* 区域通用规范 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 卡片网格通用 */
    .laser-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
      position: relative;
    }

    .laser-card:hover {
      border-color: rgba(168, 85, 247, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-laser);
    }

    /* 模型矩阵与生态 */
    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-pill {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      background: #ffffff;
      border: 1px solid rgba(203, 213, 225, 0.8);
      padding: 6px 16px;
      border-radius: 999px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
      transition: all var(--transition-fast);
    }

    .model-pill:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(79, 70, 229, 0.04);
      transform: scale(1.04);
    }

    /* 场景卡片网格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-box {
      padding: 28px;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .feature-box h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .feature-box p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .feature-meta {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed rgba(226, 232, 240, 0.8);
      font-size: 0.825rem;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 平台介绍与一站式流程图文 */
    .media-feature-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 48px;
    }

    .media-img-container {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      background: #ffffff;
    }

    .media-img-container img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

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

    .media-content h3 {
      font-size: 1.65rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .media-content p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .check-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .check-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .check-icon {
      color: #10b981;
      flex-shrink: 0;
      margin-top: 3px;
    }

    /* 标准服务流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      padding: 24px;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: rgba(79, 70, 229, 0.25);
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 权威对比评测模块 */
    .compare-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(203, 213, 225, 0.7);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      margin-bottom: 32px;
    }

    .compare-highlight-header {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(6, 182, 212, 0.06));
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(226, 232, 240, 0.9);
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-box {
      background: var(--accent-laser);
      color: #ffffff;
      padding: 10px 18px;
      border-radius: var(--radius-md);
      font-size: 1.35rem;
      font-weight: 800;
      line-height: 1;
    }

    .score-meta strong {
      display: block;
      font-size: 1.05rem;
      color: var(--text-main);
    }

    .score-meta span {
      font-size: 0.85rem;
      color: #eab308;
      font-weight: 700;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th, .compare-table td {
      padding: 16px 24px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
      font-size: 0.925rem;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:hover {
      background: rgba(248, 250, 252, 0.6);
    }

    .col-highlight {
      background: rgba(79, 70, 229, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    /* Token比价与算法算力说明 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      padding: 28px;
      border-radius: var(--radius-md);
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .token-card.popular {
      border: 2px solid #a855f7;
      box-shadow: var(--shadow-laser);
    }

    .popular-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--accent-laser);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 999px;
    }

    .token-model-name {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .token-price small {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-light);
    }

    .token-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
      flex-grow: 1;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 客户评价板块 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      padding: 24px;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

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

    .author-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #e0e7ff, #ede9fe);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* 常见问题 FAQ 展开收起 (>=10 条) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color var(--transition-fast);
    }

    .faq-item.active {
      border-color: rgba(168, 85, 247, 0.5);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background: #f8fafc;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 20px;
      border-top: 1px solid rgba(226, 232, 240, 0.6);
    }

    /* 行业方案与AI百科 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .wiki-card {
      padding: 24px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
    }

    .wiki-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .wiki-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .contact-info-panel {
      padding: 32px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 24px 0;
    }

    .contact-line {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px dashed rgba(203, 213, 225, 0.8);
    }

    .qr-container img {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-sm);
      display: block;
      object-fit: cover;
    }

    .qr-text h5 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 0.825rem;
      color: var(--text-muted);
    }

    /* 表单组件 */
    .form-panel {
      padding: 32px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    /* 行业资讯与文章 */
    .articles-section {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid rgba(226, 232, 240, 0.8);
      margin-bottom: 30px;
    }

    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .article-btn-link {
      padding: 8px 16px;
      background: #f1f5f9;
      color: var(--text-main);
      border-radius: 999px;
      font-size: 0.875rem;
      font-weight: 500;
      transition: all var(--transition-fast);
      border: 1px solid transparent;
    }

    .article-btn-link:hover {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 56px 0 24px;
      margin-top: 60px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
      max-width: 320px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.875rem;
    }

    .footer-links-list a:hover {
      color: #38bdf8;
    }

    .friend-links-box {
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.875rem;
      font-weight: 600;
      color: #cbd5e1;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-list a {
      font-size: 0.825rem;
      color: #94a3b8;
      transition: color var(--transition-fast);
    }

    .friend-links-list a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      padding-top: 20px;
      border-top: 1px solid #1e293b;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.825rem;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮客服面板 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: all var(--transition-fast);
      border: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--accent-laser);
      color: #ffffff;
    }

    .float-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
      border: 1px solid rgba(226, 232, 240, 0.8);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    .float-qr-pop span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-main);
      margin-top: 6px;
      font-weight: 600;
    }

    .float-btn:hover .float-qr-pop {
      display: block;
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .features-grid, .token-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid, .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2rem;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .features-grid, .token-grid, .reviews-grid, .wiki-grid, .media-feature-row, .contact-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid, .steps-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }