:root {
      --candy-pink: #ff5e97;
      --candy-purple: #8b5cf6;
      --candy-cyan: #06b6d4;
      --candy-yellow: #f59e0b;
      --candy-mint: #10b981;
      --bg-light: #faf7ff;
      --bg-card: #ffffff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #f1e8f8;
      --shadow-sm: 0 4px 12px rgba(139, 92, 246, 0.06);
      --shadow-md: 0 10px 25px rgba(255, 94, 151, 0.1);
      --shadow-lg: 0 18px 36px rgba(139, 92, 246, 0.12);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --transition: all 0.28s 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", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(255, 94, 151, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 90% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 40%);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* 容器规范贯穿全页 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 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);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-logo .ai-page-logo {
      height: 40px;
      width: auto;
      border-radius: 8px;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    /* 强制要求：.nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
      margin: 0;
      padding: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-full);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--candy-pink);
      background: rgba(255, 94, 151, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #fff !important;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(255, 94, 151, 0.35);
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 94, 151, 0.45);
    }

    .btn-candy-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--candy-purple);
      background: #ffffff;
      border: 2px solid #e9d5ff;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-candy-outline:hover {
      border-color: var(--candy-purple);
      background: rgba(139, 92, 246, 0.05);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero 区域 (严格无图片) */
    .hero-section {
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 94, 151, 0.1);
      border: 1px solid rgba(255, 94, 151, 0.25);
      color: var(--candy-pink);
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background-color: var(--candy-pink);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--candy-pink);
    }

    .hero-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #0f172a;
      letter-spacing: -0.5px;
    }

    .hero-title .gradient-text {
      background: linear-gradient(135deg, var(--candy-pink) 0%, var(--candy-purple) 50%, var(--candy-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

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

    .hero-cta-btn {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      color: #ffffff;
      background: linear-gradient(135deg, #ff416c, #8a2387);
      box-shadow: 0 8px 24px rgba(255, 65, 108, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition);
    }

    .hero-cta-btn:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 65, 108, 0.5);
    }

    /* 纯CSS首屏亮点数据卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      padding: 24px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: center;
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 94, 151, 0.3);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--candy-purple);
      margin-bottom: 4px;
    }

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

    /* 通用区块排版 */
    .section-py {
      padding: 70px 0;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--candy-purple);
      background: rgba(139, 92, 246, 0.1);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

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

    .about-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 18px;
      font-size: 0.98rem;
    }

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .feature-check-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #334155;
    }

    .feature-check-list li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--candy-mint);
      border-radius: 50%;
      font-size: 0.8rem;
      font-weight: 900;
    }

    .about-box-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .mini-feature-box {
      background: #faf7ff;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

    .mini-feature-box:hover {
      background: #ffffff;
      border-color: var(--candy-pink);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .mini-feature-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--candy-purple);
      margin-bottom: 6px;
    }

    .mini-feature-box p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 支持的 AI 平台标签云 */
    .models-cloud-section {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-top: 30px;
    }

    .models-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: #0f172a;
      text-align: center;
      margin-bottom: 20px;
    }

    .tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-tag {
      display: inline-block;
      padding: 6px 14px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #475569;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .model-tag:hover {
      color: var(--candy-pink);
      border-color: var(--candy-pink);
      background: rgba(255, 94, 151, 0.06);
      transform: translateY(-2px);
    }

    /* 一站式创作场景网格 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scene-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .scene-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 94, 151, 0.4);
    }

    .scene-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(255, 94, 151, 0.15), rgba(139, 92, 246, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--candy-pink);
      font-weight: 800;
      margin-bottom: 16px;
    }

    .scene-card h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .scene-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .scene-tag-row {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .scene-pill {
      font-size: 0.76rem;
      padding: 3px 8px;
      background: #f1f5f9;
      border-radius: 4px;
      color: #64748b;
    }

    /* 行业方案 & 服务网络 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

    .solution-card:hover {
      border-color: var(--candy-purple);
      transform: translateY(-4px);
    }

    .solution-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .solution-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .step-item {
      background: #ffffff;
      padding: 26px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #fff;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: 0 4px 10px rgba(255, 94, 151, 0.3);
    }

    .step-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

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

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

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #e2e8f0;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-content h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .case-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
    }

    /* 对比评测模块 */
    .review-highlight-card {
      background: linear-gradient(135deg, rgba(255, 94, 151, 0.08), rgba(139, 92, 246, 0.08));
      border: 2px solid rgba(139, 92, 246, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .rating-score {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }

    .rating-info h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
    }

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

    .stars-icon {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }

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

    .comparison-table th {
      background: #faf7ff;
      color: #334155;
      font-weight: 700;
    }

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

    .comparison-table .highlight-col {
      background: rgba(255, 94, 151, 0.03);
      font-weight: 600;
      color: var(--candy-purple);
    }

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

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

    .pricing-card.featured {
      border: 2px solid var(--candy-pink);
      box-shadow: var(--shadow-md);
      transform: scale(1.03);
    }

    .pricing-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .pricing-badge-popular {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: var(--radius-full);
    }

    .pricing-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--candy-purple);
      margin: 14px 0;
    }

    .pricing-price span {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-muted);
    }

    .pricing-list {
      list-style: none;
      text-align: left;
      margin: 20px 0 26px;
      font-size: 0.9rem;
      color: #475569;
    }

    .pricing-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-list li::before {
      content: "•";
      color: var(--candy-pink);
      font-size: 1.2rem;
    }

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

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

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(139, 92, 246, 0.3);
    }

    .review-quote {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .author-avatar-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-yellow));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

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

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #7c3aed 0%, #ff5e97 100%);
      border-radius: var(--radius-lg);
      padding: 44px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .agent-content h3 {
      font-size: 1.9rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agent-content p {
      font-size: 1rem;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.7;
      margin-bottom: 22px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-bottom: 24px;
    }

    .perk-item {
      font-size: 0.88rem;
      background: rgba(255, 255, 255, 0.15);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }

    .agent-action {
      text-align: center;
      background: rgba(255, 255, 255, 0.1);
      padding: 24px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }

    .agent-action h4 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .agent-action p {
      font-size: 0.85rem;
      margin-bottom: 18px;
      opacity: 0.9;
    }

    /* FAQ 折叠面板 (不少于 10 条) */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--candy-pink);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #faf7ff;
    }

    .faq-answer p {
      padding: 16px 22px 20px;
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.7;
    }

    /* AI百科 & 行业资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .info-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .info-box h3 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .article-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: #334155;
      font-weight: 500;
      transition: var(--transition);
    }

    .article-link-list li a:hover {
      background: rgba(255, 94, 151, 0.08);
      color: var(--candy-pink);
      padding-left: 18px;
    }

    /* 需求表单与联系我们 */
    .contact-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }

    .contact-info-panel {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .contact-info-panel p {
      color: #cbd5e1;
      font-size: 0.95rem;
      margin-bottom: 24px;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      font-size: 0.95rem;
    }

    .contact-meta-list li strong {
      color: var(--candy-pink);
      display: inline-block;
      width: 90px;
    }

    .contact-qr-box {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.08);
      padding: 16px;
      border-radius: var(--radius-md);
    }

    .contact-qr-box img {
      width: 80px;
      height: 80px;
      border-radius: 8px;
      background: #fff;
      padding: 4px;
    }

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

    .contact-qr-text span {
      font-size: 0.8rem;
      color: #94a3b8;
    }

    .contact-form-panel {
      padding: 40px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--candy-purple);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 友情链接与底部 */
    .friend-links-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-top: 40px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.88rem;
    }

    .friend-links-list a {
      color: var(--text-muted);
      padding: 4px 10px;
      background: #f8fafc;
      border-radius: 4px;
    }

    .friend-links-list a:hover {
      color: var(--candy-pink);
      background: rgba(255, 94, 151, 0.08);
    }

    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 40px 0 30px;
      margin-top: 60px;
      font-size: 0.9rem;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid #1e293b;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.2rem;
      margin-bottom: 6px;
    }

    .footer-brand p {
      color: #64748b;
      font-size: 0.85rem;
    }

    .footer-nav {
      display: flex;
      gap: 18px;
    }

    .footer-nav a {
      color: #94a3b8;
    }

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

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      font-size: 0.84rem;
      color: #64748b;
    }

    /* 浮动客服与返回顶部 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .tool-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--candy-purple);
      cursor: pointer;
      transition: var(--transition);
    }

    .tool-btn:hover {
      background: var(--candy-purple);
      color: #ffffff;
      transform: scale(1.1);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-stats-grid,
      .solution-grid,
      .steps-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenes-grid,
      .cases-grid,
      .token-pricing-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-card.featured {
        transform: none;
      }
      .about-grid,
      .agent-banner,
      .contact-wrapper,
      .articles-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-menu.show {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        width: 100%;
        padding: 10px 12px;
      }
      .nav-actions {
        width: 100%;
        margin-top: 10px;
      }
      .hero-stats-grid,
      .scenes-grid,
      .solution-grid,
      .steps-container,
      .cases-grid,
      .token-pricing-grid,
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .section-py {
        padding: 45px 0;
      }
      .about-card,
      .contact-info-panel,
      .contact-form-panel {
        padding: 24px;
      }
      .agent-banner {
        padding: 28px 20px;
      }
      .feature-check-list {
        grid-template-columns: 1fr;
      }
    }