:root {
      --primary: #6366f1;
      --primary-hover: #4f46e5;
      --trend-pink: #ec4899;
      --trend-cyan: #06b6d4;
      --trend-purple: #8b5cf6;
      --trend-amber: #f59e0b;
      --gradient-main: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f59e0b 100%);
      --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.08) 50%, rgba(6, 182, 212, 0.08) 100%);
      --gradient-card: linear-gradient(180deg, #ffffff 0%, #faf5ff 100%);
      --bg-page: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #c084fc;
      --card-bg: #ffffff;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.06);
      --shadow-md: 0 8px 24px rgba(99, 102, 241, 0.08);
      --shadow-lg: 0 16px 36px rgba(236, 72, 153, 0.12);
      --max-width: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(236, 72, 153, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.04) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-box .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      text-decoration: none;
      color: var(--text-muted);
      font-size: 0.938rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.938rem;
      font-weight: 600;
      border-radius: 9999px;
      text-decoration: none;
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--gradient-main);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border-color: #cbd5e1;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background: rgba(99, 102, 241, 0.04);
      color: var(--primary-hover);
    }

    .btn-glow {
      background: linear-gradient(135deg, #ff007a 0%, #7928ca 100%);
      color: #ffffff;
      box-shadow: 0 0 20px rgba(255, 0, 122, 0.4);
    }

    .btn-glow:hover {
      transform: scale(1.03);
      box-shadow: 0 0 28px rgba(255, 0, 122, 0.6);
      color: #ffffff;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      border-radius: 2px;
      transition: 0.3s;
    }

    /* 模块通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 5px 16px;
      font-size: 0.813rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      border-radius: 9999px;
      background: var(--gradient-subtle);
      color: var(--primary);
      border: 1px solid rgba(99, 102, 241, 0.2);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.063rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO (无图片要求) */
    .hero-section {
      padding: 70px 0 90px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge-wrap {
      margin-bottom: 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(236, 72, 153, 0.3);
      border-radius: 9999px;
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.1);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--trend-pink);
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--trend-pink);
      box-shadow: 0 0 8px var(--trend-pink);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title .gradient-text {
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.188rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1060px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.15);
      padding: 24px 16px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--gradient-main);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(236, 72, 153, 0.3);
    }

    .stat-card:hover::before {
      opacity: 1;
    }

    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 2px;
    }

    .stat-num .unit {
      font-size: 1.125rem;
      color: var(--trend-pink);
    }

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

    /* 平台介绍 & 模型聚合网格 */
    .platform-intro-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 40px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .platform-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .platform-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .platform-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.938rem;
      color: var(--text-main);
      font-weight: 600;
    }

    .feature-icon-badge {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
    }

    .model-tags-wrapper {
      background: #faf5ff;
      border: 1px solid rgba(139, 92, 246, 0.2);
      border-radius: var(--radius-lg);
      padding: 24px;
    }

    .model-tags-header {
      font-size: 1rem;
      font-weight: 700;
      color: var(--trend-purple);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.2);
      padding: 5px 12px;
      border-radius: 9999px;
      font-size: 0.813rem;
      font-weight: 600;
      color: var(--text-main);
      transition: all 0.2s;
    }

    .model-tag:hover {
      background: var(--gradient-main);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* 服务能力卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--border-focus);
    }

    .service-card-top {
      margin-bottom: 20px;
    }

    .service-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: var(--gradient-subtle);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.938rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .service-tag-badge {
      display: inline-block;
      margin-top: 14px;
      padding: 4px 10px;
      background: #f1f5f9;
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      color: var(--text-light);
      font-weight: 600;
    }

    /* 一站式制作全流程 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.125rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    }

    .step-title {
      font-size: 1.125rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格板块 */
    .comparison-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .score-summary-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--gradient-subtle);
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: var(--radius-lg);
      padding: 20px 28px;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-item {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .score-big {
      font-size: 2.25rem;
      font-weight: 900;
      color: var(--trend-pink);
    }

    .score-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .score-info p {
      font-size: 0.813rem;
      color: var(--text-muted);
    }

    .rating-stars {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.938rem;
    }

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

    .comparison-table td.highlight {
      background: rgba(99, 102, 241, 0.04);
      color: var(--primary);
      font-weight: 700;
    }

    .check-mark {
      color: #10b981;
      font-weight: bold;
    }

    .cross-mark {
      color: #ef4444;
    }

    /* 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

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

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 22px;
    }

    .case-category {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--trend-pink);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 宣传图画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .banner-item {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      background: #ffffff;
      border: 1px solid var(--border-color);
    }

    .banner-item img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    /* Token 比价体系 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px 28px;
      position: relative;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

    .pricing-card.featured {
      border: 2px solid var(--trend-pink);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .pricing-badge-popular {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--gradient-main);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 9999px;
    }

    .pricing-plan-name {
      font-size: 1.375rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .pricing-plan-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .pricing-price-wrap {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 24px;
    }

    .pricing-currency {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--trend-pink);
    }

    .pricing-amount {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--text-main);
    }

    .pricing-unit {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    .pricing-feature-list {
      list-style: none;
      margin-bottom: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .pricing-feature-list li {
      font-size: 0.938rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 需求匹配与在线表单 */
    .form-wrapper-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 860px;
      margin: 0 auto;
    }

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

    .form-group-full {
      grid-column: 1 / -1;
    }

    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.938rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: all 0.2s;
      font-family: inherit;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

    textarea.form-control {
      min-height: 120px;
      resize: vertical;
    }

    /* 用户评论卡片 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .testimonial-text {
      font-size: 0.938rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

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

    .author-avatar-text {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-subtle);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      border: 1px solid rgba(99, 102, 241, 0.2);
    }

    .author-name {
      font-size: 0.938rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-role {
      font-size: 0.813rem;
      color: var(--text-light);
    }

    /* 常见问题 FAQ 折叠 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--border-focus);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.063rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.938rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 20px;
    }

    /* 资讯列表 */
    .articles-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

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

    .article-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: 9999px;
      text-decoration: none;
      color: var(--text-muted);
      font-size: 0.875rem;
      transition: all 0.2s;
    }

    .article-pill:hover {
      background: rgba(99, 102, 241, 0.08);
      color: var(--primary);
      border-color: var(--primary);
    }

    /* 联系我们与页脚 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .contact-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 0.938rem;
    }

    .qr-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 36px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .qr-img-wrap {
      width: 180px;
      height: 180px;
      margin: 0 auto 16px auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 8px;
      background: #ffffff;
    }

    .qr-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .friend-links-box {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.875rem;
    }

    .friend-links-title {
      font-weight: 700;
      color: var(--text-main);
    }

    .friend-links-box a {
      color: var(--text-light);
      text-decoration: none;
      transition: color 0.2s;
    }

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

    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 30px 0;
      font-size: 0.875rem;
      color: var(--text-light);
      text-align: center;
    }

    /* 浮动组件 */
    .floating-bar {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.25s;
    }

    .floating-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .cases-grid,
      .pricing-grid,
      .testimonials-grid,
      .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 2rem;
      }
      .platform-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .cases-grid,
      .pricing-grid,
      .testimonials-grid,
      .flow-steps-grid,
      .banner-gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr 1fr;
      }
    }