:root {
      --bg-main: #fbfcfe;
      --bg-card: rgba(255, 255, 255, 0.92);
      --text-main: #141b2d;
      --text-muted: #52617a;
      --text-light: #7b8ca5;
      --laser-grad: linear-gradient(135deg, #ec4899 0%, #8b5cf6 35%, #06b6d4 70%, #10b981 100%);
      --laser-soft: linear-gradient(135deg, rgba(236,72,153,0.12) 0%, rgba(139,92,246,0.12) 35%, rgba(6,182,212,0.12) 70%, rgba(16,185,129,0.12) 100%);
      --laser-border: linear-gradient(135deg, rgba(236,72,153,0.4), rgba(139,92,246,0.4), rgba(6,182,212,0.4));
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --accent: #ec4899;
      --border-color: rgba(226, 232, 240, 0.9);
      --shadow-sm: 0 4px 12px rgba(20, 27, 45, 0.04);
      --shadow-laser: 0 10px 30px rgba(139, 92, 246, 0.12);
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --container-max: 1200px;
    }

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

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(236, 72, 153, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 45%);
      background-attachment: fixed;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

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

    /* 镭射光感徽标与标题 */
    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .laser-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      padding: 6px 18px;
      border-radius: 9999px;
      background: var(--laser-soft);
      border: 1px solid rgba(139, 92, 246, 0.3);
      color: #6d28d9;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      position: relative;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    }

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

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

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

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

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, #1e1b4b, #4338ca);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
    }

    .brand-sub {
      font-size: 0.72rem;
      color: var(--text-light);
      letter-spacing: 0.5px;
    }

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

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

    .nav-item a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: 6px;
      display: inline-block;
    }

    .nav-item a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.06);
    }

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

    .btn-laser-sm {
      padding: 8px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 8px;
      color: #fff;
      background: var(--laser-grad);
      box-shadow: 0 4px 14px rgba(139, 92, 246, 0.25);
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-laser-sm:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(139, 92, 246, 0.35);
    }

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

    .mobile-menu-btn span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: all 0.3s ease;
    }

    /* 首屏 HERO (严格禁止出现任何图片资源) */
    .hero-section {
      padding: 80px 0 70px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(248,250,252,0.9) 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-shell {
      position: relative;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-hologram-card {
      background: rgba(255, 255, 255, 0.85);
      border-radius: 28px;
      padding: 56px 40px;
      border: 1px solid rgba(255, 255, 255, 0.9);
      box-shadow: 0 20px 50px rgba(99, 102, 241, 0.08), inset 0 0 0 1px rgba(236, 72, 153, 0.15);
      position: relative;
    }

    .hero-hologram-card::before {
      content: "";
      position: absolute;
      top: -2px; left: -2px; right: -2px; bottom: -2px;
      background: var(--laser-grad);
      border-radius: 30px;
      z-index: -1;
      opacity: 0.35;
      filter: blur(8px);
    }

    .hero-badge-tag {
      display: inline-block;
      padding: 6px 20px;
      border-radius: 9999px;
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 24px;
    }

    /* H1 字数控制在20字以内 */
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #0f172a;
      letter-spacing: -0.8px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: #475569;
      line-height: 1.7;
      max-width: 780px;
      margin: 0 auto 36px;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    /* 首屏醒目访问官网按钮 */
    .btn-main-official {
      padding: 16px 36px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--laser-grad);
      border-radius: 12px;
      box-shadow: 0 10px 25px rgba(236, 72, 153, 0.3);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      cursor: pointer;
      animation: pulse-laser 3s infinite alternate;
    }

    @keyframes pulse-laser {
      0% { transform: scale(1); box-shadow: 0 10px 25px rgba(236, 72, 153, 0.3); }
      100% { transform: scale(1.02); box-shadow: 0 14px 32px rgba(139, 92, 246, 0.45); }
    }

    .btn-main-official:hover {
      transform: translateY(-2px);
      filter: brightness(1.05);
    }

    .btn-secondary-line {
      padding: 15px 32px;
      font-size: 1.02rem;
      font-weight: 600;
      color: #1e293b;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary-line:hover {
      background: #f8fafc;
      border-color: #94a3b8;
      color: var(--primary);
    }

    /* 数据指标纯几何组件 (无图片) */
    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
      padding-top: 30px;
      border-top: 1px solid #e2e8f0;
    }

    .hero-stat-box {
      text-align: center;
      padding: 12px;
    }

    .hero-stat-value {
      font-size: 1.85rem;
      font-weight: 800;
      color: #0f172a;
      background: linear-gradient(135deg, #4338ca, #d946ef);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-stat-label {
      font-size: 0.82rem;
      color: #64748b;
      margin-top: 4px;
      font-weight: 500;
    }

    /* 通用Section布局 */
    .content-section {
      padding: 85px 0;
      position: relative;
    }

    .content-section-alt {
      background-color: rgba(248, 250, 252, 0.7);
      border-top: 1px solid #eef2f6;
      border-bottom: 1px solid #eef2f6;
    }

    /* 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text-panel {
      padding-right: 15px;
    }

    .about-text-panel p {
      color: var(--text-muted);
      margin-bottom: 18px;
      font-size: 1.02rem;
      line-height: 1.8;
    }

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .feature-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #1e293b;
    }

    .feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--laser-grad);
      flex-shrink: 0;
    }

    .about-card-display {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-laser);
      position: relative;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .model-tag {
      font-size: 0.78rem;
      padding: 4px 10px;
      border-radius: 6px;
      background: #f1f5f9;
      color: #334155;
      font-weight: 500;
      border: 1px solid #e2e8f0;
      transition: 0.2s ease;
    }

    .model-tag:hover {
      background: var(--laser-soft);
      color: #6d28d9;
      border-color: rgba(139, 92, 246, 0.4);
    }

    /* AIGC服务 & 一站式制作网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-laser);
      border-color: rgba(139, 92, 246, 0.4);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--laser-soft);
      border: 1px solid rgba(139, 92, 246, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 1.2rem;
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #0f172a;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .tag-sm {
      font-size: 0.75rem;
      padding: 3px 8px;
      background: #f8fafc;
      color: #475569;
      border-radius: 4px;
      border: 1px solid #e2e8f0;
    }

    /* 行业方案展示卡片 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid #e2e8f0;
      transition: 0.25s ease;
    }

    .solution-item:hover {
      border-color: #a855f7;
      box-shadow: 0 8px 24px rgba(168, 85, 247, 0.12);
    }

    .solution-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #1e293b;
    }

    .solution-item p {
      font-size: 0.85rem;
      color: #64748b;
      line-height: 1.55;
    }

    /* 标准流程组件 (时间线式卡片) */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px 20px;
      border: 1px solid #e2e8f0;
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--laser-grad);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      margin-bottom: 16px;
    }

    .step-card h4 {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心 (合理图文混排) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      background: #f1f5f9;
      position: relative;
      overflow: hidden;
    }

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

    .case-content {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    /* 对比评测板块 (五星、9.9分、满分10分) */
    .review-score-banner {
      background: linear-gradient(135deg, #ffffff 0%, #faf5ff 100%);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(168, 85, 247, 0.3);
      padding: 36px;
      box-shadow: var(--shadow-laser);
      margin-bottom: 35px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .score-left {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .big-score-box {
      background: var(--laser-grad);
      color: #ffffff;
      padding: 16px 28px;
      border-radius: 16px;
      text-align: center;
    }

    .big-score-val {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .big-score-total {
      font-size: 0.85rem;
      opacity: 0.9;
      font-weight: 600;
    }

    .score-intro h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 6px;
    }

    .star-row {
      color: #f59e0b;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .star-row span {
      font-size: 0.92rem;
      font-weight: 700;
      color: #475569;
      margin-left: 8px;
    }

    /* 对比表格 */
    .compare-table-shell {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #f8fafc;
      color: #334155;
      font-weight: 700;
    }

    .compare-table td.col-brand {
      font-weight: 700;
      color: #4338ca;
      background: rgba(99, 102, 241, 0.03);
    }

    .status-yes {
      color: #16a34a;
      font-weight: 700;
    }

    .status-no {
      color: #94a3b8;
    }

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

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid #e2e8f0;
      position: relative;
      transition: 0.25s ease;
    }

    .token-card.featured {
      border: 2px solid #8b5cf6;
      box-shadow: var(--shadow-laser);
    }

    .token-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .token-price {
      font-size: 2rem;
      font-weight: 900;
      color: #6366f1;
      margin: 12px 0;
    }

    .token-price small {
      font-size: 0.85rem;
      color: #64748b;
      font-weight: 500;
    }

    .token-list {
      list-style: none;
      margin: 18px 0;
    }

    .token-list li {
      font-size: 0.88rem;
      color: #475569;
      padding: 6px 0;
      border-bottom: 1px dashed #f1f5f9;
    }

    /* 加盟代理与算力被动收入板块 */
    .agent-panel {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: 0 20px 40px rgba(30, 27, 75, 0.25);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .agent-panel h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agent-panel p {
      font-size: 0.98rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agent-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .agent-points li {
      font-size: 0.9rem;
      color: #e2e8f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .agent-box-right {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 16px;
      padding: 28px;
      text-align: center;
      backdrop-filter: blur(10px);
    }

    .agent-box-right h4 {
      font-size: 1.15rem;
      color: #ffffff;
      margin-bottom: 8px;
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #e2e8f0;
      padding: 40px;
      box-shadow: var(--shadow-laser);
      max-width: 800px;
      margin: 0 auto;
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
      font-size: 0.92rem;
      color: #0f172a;
      background: #ffffff;
      transition: 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: #8b5cf6;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    }

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

    .form-submit-btn {
      width: 100%;
      padding: 15px;
      border-radius: 10px;
      background: var(--laser-grad);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(139, 92, 246, 0.28);
      transition: 0.25s ease;
    }

    .form-submit-btn:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

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

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .review-avatar-char {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--laser-soft);
      border: 1px solid rgba(139, 92, 246, 0.3);
      color: #6d28d9;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .review-user-info h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: #0f172a;
    }

    .review-user-role {
      font-size: 0.78rem;
      color: #64748b;
    }

    .review-body {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-wrapper {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item.active {
      border-color: #8b5cf6;
      box-shadow: 0 6px 18px rgba(139, 92, 246, 0.08);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-arrow {
      width: 20px;
      height: 20px;
      transition: transform 0.3s ease;
      color: #64748b;
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
      color: #8b5cf6;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      padding-top: 16px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* AI 百科 & 行业资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid #e2e8f0;
      transition: 0.2s ease;
    }

    .article-card:hover {
      border-color: #8b5cf6;
      box-shadow: var(--shadow-sm);
    }

    .article-meta {
      font-size: 0.78rem;
      color: #94a3b8;
      margin-bottom: 10px;
    }

    .article-card h4 {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
      line-height: 1.4;
    }

    .article-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .article-links-pill {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 15px;
      padding-top: 15px;
      border-top: 1px solid #f1f5f9;
    }

    .article-links-pill a {
      font-size: 0.82rem;
      color: #4f46e5;
      background: #eef2ff;
      padding: 4px 10px;
      border-radius: 6px;
    }

    /* 联系我们与社群服务网络 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .contact-info-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
    }

    .contact-item-row {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-item-row:last-child {
      margin-bottom: 0;
    }

    .contact-icon-box {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      flex-shrink: 0;
      font-weight: bold;
    }

    .contact-detail h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 4px;
    }

    .contact-detail p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .qrcode-box-shell {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid #e2e8f0;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .qrcode-container {
      width: 170px;
      height: 170px;
      margin: 16px auto;
      padding: 8px;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      background: #f8fafc;
    }

    .qrcode-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 8px;
    }

    /* 底部收尾容器对齐 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid #1e293b;
    }

    .footer-brand-intro h4 {
      color: #ffffff;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .footer-brand-intro p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: #94a3b8;
      max-width: 320px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      font-size: 0.88rem;
      color: #94a3b8;
    }

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

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: #64748b;
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friendly-links-wrap a {
      color: #94a3b8;
      transition: 0.2s ease;
    }

    .friendly-links-wrap a:hover {
      color: #38bdf8;
    }

    /* 浮动操作按钮 */
    .float-dock {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      color: #1e293b;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 0.85rem;
      font-weight: 700;
      transition: all 0.25s ease;
    }

    .dock-btn:hover {
      background: var(--laser-grad);
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid, .case-grid, .token-grid, .reviews-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-grid, .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agent-panel {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .case-grid, .token-grid, .reviews-grid, .solutions-grid, .process-steps, .articles-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid #e2e8f0;
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
      }
      .nav-item {
        width: 100%;
      }
      .nav-item a {
        width: 100%;
        padding: 10px 0;
      }
      .nav-actions {
        width: 100%;
        margin-top: 15px;
      }
      .nav-actions .btn-laser-sm {
        width: 100%;
      }
    }