/* 鲜绿夺目风 视觉设计系统 */
    :root {
      --primary-color: #059669;
      --primary-hover: #047857;
      --primary-light: #ecfdf5;
      --primary-border: #a7f3d0;
      --accent-green: #10b981;
      --vivid-lime: #84cc16;
      --dark-text: #0f172a;
      --medium-text: #334155;
      --light-text: #64748b;
      --bg-base: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f0fdf4;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 12px rgba(16,185,129,0.08);
      --shadow-lg: 0 10px 25px rgba(5,150,105,0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-base);
      color: var(--dark-text);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
    }

    /* 统一布局容器 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--primary-border);
      box-shadow: 0 2px 10px rgba(5,150,105,0.05);
    }

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

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

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-color);
      letter-spacing: -0.5px;
    }

    /* Strict requirement: .nav-links gap must be 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      color: var(--medium-text);
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 500;
      transition: all 0.2s ease;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-color);
      background-color: var(--primary-light);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent-green), var(--primary-color));
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(16,185,129,0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-color), #047857);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(16,185,129,0.4);
    }

    .btn-outline {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--primary-light);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--dark-text);
      cursor: pointer;
    }

    /* 模块通用基础 */
    section {
      padding: 70px 0;
      position: relative;
    }

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

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary-color);
      border: 1px solid var(--primary-border);
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--light-text);
    }

    /* 1. Hero 首屏 - 严禁出现图片 */
    .hero-section {
      padding: 80px 0 90px 0;
      background: radial-gradient(circle at 50% 20%, #ecfdf5 0%, #ffffff 70%);
      border-bottom: 1px solid var(--primary-border);
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      box-shadow: 0 2px 8px rgba(16,185,129,0.12);
      border-radius: 30px;
      font-size: 0.88rem;
      color: var(--primary-color);
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* H1 控制在20字以内 */
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--dark-text);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-h1 span {
      background: linear-gradient(135deg, var(--primary-color), var(--vivid-lime));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--medium-text);
      max-width: 740px;
      margin: 0 auto 36px auto;
    }

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

    .hero-actions .btn {
      padding: 13px 32px;
      font-size: 1.05rem;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-md);
    }

    .metric-item {
      text-align: center;
      padding: 10px;
    }

    .metric-number {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.2;
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--light-text);
      margin-top: 4px;
    }

    /* 2. 关于我们 / 平台介绍 */
    .about-section {
      background: #ffffff;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 16px;
    }

    .about-text p {
      color: var(--medium-text);
      margin-bottom: 16px;
      font-size: 0.98rem;
    }

    .about-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-card {
      padding: 16px;
      background: var(--primary-light);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-md);
    }

    .about-feature-card h4 {
      color: var(--primary-color);
      font-size: 1rem;
      margin-bottom: 6px;
    }

    .about-feature-card p {
      font-size: 0.85rem;
      color: var(--light-text);
      margin-bottom: 0;
    }

    .about-visual-card {
      background: linear-gradient(145deg, #059669, #047857);
      color: #ffffff;
      padding: 40px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .about-visual-card h4 {
      font-size: 1.4rem;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .about-visual-card p {
      color: #e2e8f0;
      font-size: 0.95rem;
      margin-bottom: 20px;
    }

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

    .tag-item {
      padding: 4px 12px;
      background: rgba(255,255,255,0.15);
      border-radius: 20px;
      font-size: 0.82rem;
      color: #ffffff;
    }

    /* 3. AIGC 服务 */
    .services-section {
      background: var(--bg-alt);
    }

    .models-badge-wall {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 40px;
    }

    .model-chip {
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--medium-text);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s;
    }

    .model-chip:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      transform: translateY(-2px);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .service-card:hover {
      border-color: var(--primary-color);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .service-icon {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-color);
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 18px;
    }

    .service-card h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--dark-text);
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--light-text);
    }

    /* 4. 一站式制作场景 */
    .workflow-section {
      background: #ffffff;
    }

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

    .scenario-item {
      padding: 20px;
      border-radius: var(--radius-md);
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .scenario-item:hover {
      background: var(--primary-light);
      border-color: var(--primary-border);
    }

    .scenario-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .scenario-desc {
      font-size: 0.85rem;
      color: var(--light-text);
      line-height: 1.5;
    }

    /* 5. 行业方案 */
    .industry-section {
      background: var(--bg-alt);
    }

    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .industry-card h4 {
      font-size: 1.2rem;
      color: var(--primary-color);
      margin-bottom: 12px;
    }

    .industry-card ul {
      list-style: none;
    }

    .industry-card ul li {
      font-size: 0.9rem;
      color: var(--medium-text);
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
    }

    .industry-card ul li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--accent-green);
      font-weight: bold;
    }

    /* 6. 服务网络 */
    .network-section {
      background: #ffffff;
    }

    .network-box {
      background: linear-gradient(135deg, #059669 0%, #065f46 100%);
      color: #ffffff;
      padding: 40px;
      border-radius: var(--radius-lg);
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 30px;
      align-items: center;
    }

    .network-info h3 {
      font-size: 1.6rem;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .network-nodes {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .network-node {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.2);
      padding: 16px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .network-node h5 {
      font-size: 1rem;
      color: #ffffff;
      margin-bottom: 4px;
    }

    .network-node p {
      font-size: 0.8rem;
      color: #a7f3d0;
    }

    /* 7. 标准流程 */
    .process-section {
      background: var(--bg-base);
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      position: relative;
      text-align: center;
    }

    .process-number {
      width: 36px;
      height: 36px;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
    }

    .process-card h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
    }

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

    /* 8. 案例中心 */
    .cases-section {
      background: #ffffff;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .case-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }

    .case-img-wrap {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f1f5f9;
    }

    .ai-page-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-content {
      padding: 20px;
    }

    .case-content h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
      color: var(--dark-text);
    }

    .case-content p {
      font-size: 0.88rem;
      color: var(--light-text);
      margin-bottom: 12px;
    }

    /* 9. 对比评测 - 必须呈现 5星 9.9分 */
    .compare-section {
      background: var(--bg-alt);
    }

    .rating-banner {
      background: #ffffff;
      border: 2px solid var(--primary-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.6rem;
      letter-spacing: 2px;
    }

    .score-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      color: var(--light-text);
    }

    .compare-table-wrapper {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: var(--primary-light);
      color: var(--dark-text);
      font-weight: 700;
    }

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

    .highlight-col {
      background: rgba(236,253,245,0.5);
      font-weight: 700;
      color: var(--primary-color);
    }

    /* 10. 需求匹配与表单 */
    .match-section {
      background: #ffffff;
    }

    .form-wrapper {
      max-width: 720px;
      margin: 0 auto;
      background: var(--bg-base);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #ffffff;
      color: var(--dark-text);
      transition: border-color 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* 11. Token比价 */
    .pricing-section {
      background: var(--bg-alt);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px 24px;
      text-align: center;
      position: relative;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary-color);
      box-shadow: var(--shadow-md);
    }

    .pricing-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-color);
      color: #ffffff;
      font-size: 0.78rem;
      padding: 3px 12px;
      border-radius: 12px;
      font-weight: 600;
    }

    .pricing-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 16px;
    }

    .pricing-price span {
      font-size: 0.85rem;
      color: var(--light-text);
      font-weight: normal;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 24px;
      text-align: left;
    }

    .pricing-features li {
      font-size: 0.88rem;
      color: var(--medium-text);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    /* 12. 帮助中心 */
    .help-section {
      background: #ffffff;
    }

    .help-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .help-card {
      padding: 24px;
      background: var(--bg-base);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .help-card h4 {
      color: var(--primary-color);
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    .help-card p {
      font-size: 0.88rem;
      color: var(--light-text);
    }

    /* 13. 常见问题 FAQ (不少于10条) */
    .faq-section {
      background: var(--bg-alt);
    }

    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--dark-text);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary-color);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--medium-text);
      font-size: 0.92rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 18px 24px;
    }

    /* 14. AI百科 */
    .wiki-section {
      background: #ffffff;
    }

    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .wiki-card {
      padding: 20px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: var(--bg-base);
    }

    .wiki-card h5 {
      font-size: 1rem;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

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

    /* 15. 行业资讯与短代码文章 */
    .news-section {
      background: var(--bg-alt);
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .news-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .news-card h4 {
      font-size: 1.08rem;
      margin-bottom: 8px;
    }

    .news-card a {
      color: var(--dark-text);
      text-decoration: none;
      transition: color 0.2s;
    }

    .news-card a:hover {
      color: var(--primary-color);
    }

    .news-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 20px;
    }

    .news-link-btn {
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--primary-color);
      text-decoration: none;
      transition: all 0.2s;
    }

    .news-link-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
    }

    /* 用户评论 (6条) */
    .reviews-section {
      background: #ffffff;
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      background: var(--primary-light);
      color: var(--primary-color);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .user-info h5 {
      font-size: 0.95rem;
      color: var(--dark-text);
    }

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

    .review-text {
      font-size: 0.88rem;
      color: var(--medium-text);
      line-height: 1.5;
    }

    /* 16. 联系我们 & 17. 加盟代理 */
    .contact-agent-section {
      background: var(--bg-alt);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .contact-box, .agent-box {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .contact-box h3, .agent-box h3 {
      font-size: 1.4rem;
      color: var(--dark-text);
      margin-bottom: 16px;
    }

    .qr-code-area {
      text-align: center;
      margin: 20px 0;
    }

    .qr-code-area img {
      width: 150px;
      height: 150px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .contact-details p {
      font-size: 0.92rem;
      color: var(--medium-text);
      margin-bottom: 10px;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 24px 0;
      border-top: 4px solid var(--primary-color);
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.3rem;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
    }

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

    .friend-links a {
      color: #a7f3d0;
      font-size: 0.85rem;
      text-decoration: none;
    }

    .friend-links a:hover {
      text-decoration: underline;
    }

    .copyright-area {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      font-size: 0.82rem;
      color: #64748b;
    }

    .copyright-area a {
      color: #94a3b8;
      text-decoration: none;
    }

    /* 悬浮组件 */
    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--primary-color);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(5,150,105,0.3);
      font-weight: bold;
      font-size: 0.85rem;
      transition: transform 0.2s;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--primary-hover);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-h1 { font-size: 2.1rem; }
      .hero-metrics { grid-template-columns: repeat(2, 1fr); }
      .about-grid, .contact-grid { grid-template-columns: 1fr; }
      .services-grid, .industry-grid, .pricing-grid, .help-grid, .wiki-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .scenarios-grid, .process-steps { grid-template-columns: repeat(2, 1fr); }
      .network-box { grid-template-columns: 1fr; }
      .footer-content { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        box-shadow: var(--shadow-lg);
      }
      .services-grid, .industry-grid, .pricing-grid, .help-grid, .wiki-grid, .reviews-grid, .cases-grid, .news-grid { grid-template-columns: 1fr; }
      .scenarios-grid, .process-steps, .network-nodes { grid-template-columns: 1fr; }
      .rating-banner { flex-direction: column; text-align: center; gap: 16px; }
      .form-wrapper { padding: 20px; }
    }