:root {
      --primary: #1e40af;
      --primary-light: #2563eb;
      --primary-dark: #1e3a8a;
      --accent: #0284c7;
      --accent-warm: #f59e0b;
      --text-main: #0f172a;
      --text-secondary: #334155;
      --text-muted: #64748b;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      --border-color: #e2e8f0;
      --border-focus: #3b82f6;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 25px -5px rgba(30, 64, 175, 0.1), 0 8px 10px -6px rgba(30, 64, 175, 0.05);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition-fast: 0.2s ease;
      --transition-normal: 0.3s 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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-padding {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .badge-tag {
      display: inline-block;
      padding: 4px 12px;
      background-color: #dbeafe;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 9999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-text-block {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .brand-desc {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

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

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: #eff6ff;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all var(--transition-fast);
      cursor: pointer;
      text-align: center;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
    }

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

    .btn-outline:hover {
      background-color: #eff6ff;
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 14px 30px;
      font-size: 16px;
      border-radius: var(--radius-md);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero 区域 (完全不含图片) */
    .hero-section {
      background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 60%, #e0f2fe 100%);
      padding: 80px 0 70px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #bfdbfe;
      box-shadow: var(--shadow-sm);
      border-radius: 9999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background-color: #10b981;
      border-radius: 50%;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 22px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .official-btn {
      background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
      border: 1px solid #60a5fa;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .official-btn:hover {
      background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(37, 99, 235, 0.45);
      color: #ffffff;
    }

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

    .hero-stat-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #bfdbfe;
    }

    .hero-stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      display: block;
    }

    .hero-stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台核心特色标签栏 */
    .feature-strip {
      background-color: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
    }

    .feature-strip-inner {
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .strip-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
    }

    .strip-icon-box {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    /* 平台介绍 */
    .about-card-wrap {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .about-feature-item {
      background-color: var(--bg-subtle);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid #e2e8f0;
      transition: all var(--transition-fast);
    }

    .about-feature-item:hover {
      background-color: #ffffff;
      border-color: #bfdbfe;
      box-shadow: var(--shadow-md);
    }

    .about-feature-item h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .about-feature-item p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

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

    .service-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-header {
      margin-bottom: 16px;
    }

    .service-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: #eff6ff;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .service-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-features-list {
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
      margin-top: auto;
    }

    .service-features-list li {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-features-list li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 一站式制作：场景矩阵 */
    .scene-category-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .scene-cat-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 20px;
      border-left: 4px solid var(--primary);
      padding-left: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-grid-dense {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scene-item-card {
      background-color: var(--bg-subtle);
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px solid #e2e8f0;
      transition: all var(--transition-fast);
    }

    .scene-item-card:hover {
      background-color: #ffffff;
      border-color: #93c5fd;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .scene-item-card h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .scene-item-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 行业解决方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

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

    .industry-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .industry-card p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* 服务网络 */
    .network-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

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

    .network-card {
      background: var(--bg-subtle);
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 20px;
    }

    .network-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .network-card p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 标准制作流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px auto;
    }

    .process-step h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心：展示多媒体资源 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 36px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-fast);
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .case-media-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
    }

    .case-media-box.square {
      aspect-ratio: 1 / 1;
    }

    .case-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform var(--transition-normal);
    }

    .case-card:hover .case-media-box img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .case-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .case-info h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    .banner-showcase {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      margin-top: 30px;
    }

    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 16px;
    }

    .banner-img-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
    }

    .banner-img-item img {
      display: block;
      width: 100%;
      height: auto;
    }

    /* 对比评测：满分10分 评分9.9 五星推荐 */
    .review-score-banner {
      background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .score-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 15px;
      color: #bfdbfe;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .score-stars {
      color: #facc15;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .score-num {
      font-size: 44px;
      font-weight: 900;
      line-height: 1;
      color: #ffffff;
    }

    .score-max {
      font-size: 16px;
      color: #bfdbfe;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px 20px;
      border-bottom: 1px solid var(--border-color);
    }

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

    .compare-table th.highlight,
    .compare-table td.highlight {
      background-color: #eff6ff;
      color: var(--primary);
      font-weight: 700;
      border-left: 2px solid #93c5fd;
      border-right: 2px solid #93c5fd;
    }

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

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

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: all var(--transition-fast);
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
    }

    .token-card.featured .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 12px;
      padding: 3px 14px;
      border-radius: 9999px;
      font-weight: 700;
    }

    .token-card h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 34px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 14px;
      font-weight: normal;
      color: var(--text-muted);
    }

    .token-features {
      margin: 20px 0 28px 0;
      text-align: left;
    }

    .token-features li {
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-features li::before {
      content: "•";
      color: var(--primary);
      font-size: 18px;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
      border: 2px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 28px;
    }

    .agent-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 20px;
      border: 1px solid #e2e8f0;
      text-align: center;
    }

    .agent-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .agent-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 需求匹配与联系我们（表单区） */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

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

    .form-control:focus {
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

    .contact-info-panel {
      background-color: var(--bg-subtle);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid #e2e8f0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-detail-item {
      margin-bottom: 18px;
    }

    .contact-detail-item strong {
      display: block;
      font-size: 14px;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .contact-detail-item span,
    .contact-detail-item a {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .qr-showcase {
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      margin-top: 14px;
    }

    .qr-showcase img {
      width: 120px;
      height: 120px;
      object-fit: contain;
      margin: 0 auto 8px auto;
      display: block;
    }

    .qr-showcase p {
      font-size: 12px;
      color: var(--text-muted);
    }

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

    .review-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all var(--transition-fast);
    }

    .review-card:hover {
      border-color: #bfdbfe;
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #dbeafe;
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .author-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 (不少于 10 条) */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
    }

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

    .faq-item.open {
      border-color: var(--primary);
    }

    .faq-trigger {
      width: 100%;
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .faq-trigger:hover {
      color: var(--primary);
    }

    .faq-icon {
      font-size: 18px;
      transition: transform var(--transition-fast);
      color: var(--primary);
    }

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

    .faq-body {
      padding: 0 22px 18px 22px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      display: none;
    }

    .faq-item.open .faq-body {
      display: block;
    }

    /* AI 百科标签云与知识卡片 */
    .wiki-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 30px;
    }

    .wiki-tag {
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 9999px;
      font-size: 13px;
      color: var(--text-secondary);
      font-weight: 500;
      transition: all var(--transition-fast);
    }

    .wiki-tag:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* 行业资讯与文章列表 */
    .article-links-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .article-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .article-list li a {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-secondary);
      padding: 10px 14px;
      background-color: var(--bg-subtle);
      border-radius: var(--radius-sm);
      transition: all var(--transition-fast);
    }

    .article-list li a:hover {
      background-color: #eff6ff;
      color: var(--primary);
      padding-left: 18px;
    }

    /* 底部通用区域 */
    .site-footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 56px 0 28px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
    }

    .footer-col p {
      font-size: 13px;
      line-height: 1.6;
      margin-bottom: 12px;
      color: #94a3b8;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links li a {
      color: #94a3b8;
      font-size: 13px;
    }

    .footer-links li a:hover {
      color: #ffffff;
    }

    .friendly-links-block {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
      font-size: 13px;
    }

    .friendly-links-block strong {
      color: #cbd5e1;
      margin-right: 12px;
    }

    .friendly-links-block a {
      color: #94a3b8;
      margin-right: 16px;
      display: inline-block;
    }

    .friendly-links-block a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #64748b;
    }

    /* 悬浮客服与返回顶部组件 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 18px;
      transition: all var(--transition-fast);
      text-decoration: none;
    }

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

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-stats-grid,
      .about-grid,
      .services-grid,
      .industry-grid,
      .scene-grid-dense,
      .agent-grid,
      .reviews-grid,
      .case-gallery-grid,
      .banner-gallery,
      .token-price-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .hero-stats-grid,
      .about-grid,
      .services-grid,
      .industry-grid,
      .scene-grid-dense,
      .agent-grid,
      .reviews-grid,
      .case-gallery-grid,
      .banner-gallery,
      .token-price-grid,
      .process-timeline,
      .article-list,
      .network-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .section-padding {
        padding: 48px 0;
      }
    }