:root {
      --primary: #0F52FF;
      --accent-coral: #FF4D36;
      --accent-amber: #FFB800;
      --accent-mint: #00D084;
      --accent-violet: #6C2BD9;
      --bg-main: #F7F9FC;
      --bg-card: #FFFFFF;
      --text-main: #111827;
      --text-muted: #4B5563;
      --border-color: #E2E8F0;
      --border-strong: #0F52FF;
      --shadow-sm: 0 2px 8px rgba(15, 82, 255, 0.06);
      --shadow-md: 0 10px 24px rgba(17, 24, 39, 0.08);
      --shadow-lg: 0 18px 36px rgba(15, 82, 255, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background-color: var(--bg-main);
      overflow-x: hidden;
      position: relative;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

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

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      background: var(--accent-amber);
      color: #000;
      border-radius: 4px;
      text-transform: uppercase;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      transition: all 0.25s ease;
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(15, 82, 255, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 700;
      border-radius: 8px;
      text-decoration: none;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      border: 2px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(15, 82, 255, 0.35);
    }

    .btn-primary:hover {
      background: #003CD4;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(15, 82, 255, 0.45);
    }

    .btn-accent {
      background: var(--accent-coral);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(255, 77, 54, 0.3);
    }

    .btn-accent:hover {
      background: #E0351E;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 77, 54, 0.4);
    }

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

    .btn-outline:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      margin: 4px 0;
      background: var(--text-main);
      border-radius: 2px;
      transition: 0.3s;
    }

    /* 首屏 Hero - 严禁出现图片 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 10% 20%, rgba(255, 184, 0, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(15, 82, 255, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 50% 50%, rgba(0, 208, 132, 0.08) 0%, transparent 60%),
                  #FFFFFF;
      padding: 72px 0 64px;
      border-bottom: 2px solid var(--border-color);
      overflow: hidden;
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(15, 82, 255, 0.08);
      border: 1px solid rgba(15, 82, 255, 0.25);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-badge-tag {
      background: var(--accent-coral);
      color: #fff;
      font-size: 11px;
      padding: 2px 6px;
      border-radius: 4px;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
      max-width: 960px;
    }

    .hero-title .highlight {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-title .highlight::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 8px;
      background: rgba(255, 184, 0, 0.35);
      z-index: -1;
      border-radius: 4px;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 36px;
      line-height: 1.65;
    }

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

    .hero-official-btn {
      font-size: 17px;
      padding: 14px 34px;
      font-weight: 800;
      border-radius: 12px;
      background: linear-gradient(135deg, #FF4D36 0%, #FF2600 100%);
      color: #FFFFFF;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(255, 77, 54, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 2px solid #FFF;
      transition: all 0.3s ease;
    }

    .hero-official-btn:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 28px rgba(255, 77, 54, 0.5);
    }

    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      max-width: 1040px;
    }

    .hero-stat-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      text-align: center;
    }

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

    .hero-stat-num {
      font-size: 30px;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2px;
    }

    .hero-stat-num span {
      font-size: 16px;
      color: var(--accent-coral);
    }

    .hero-stat-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 模块通用标题 */
    .section-spacing {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      background: rgba(15, 82, 255, 0.1);
      color: var(--primary);
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 640px;
      margin: 0 auto;
    }

    /* 模型矩阵胶囊条 */
    .models-bar-wrap {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
    }

    .models-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 16px;
    }

    .model-tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      list-style: none;
    }

    .model-tag-item {
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      background: #F1F5F9;
      color: #334155;
      border-radius: 6px;
      border: 1px solid #E2E8F0;
      transition: all 0.2s ease;
    }

    .model-tag-item:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

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

    .about-content h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--text-main);
      line-height: 1.35;
    }

    .about-content p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

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

    .about-point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .about-point-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent-coral);
      margin-top: 6px;
      flex-shrink: 0;
    }

    .about-card-box {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-card-badge {
      display: inline-block;
      padding: 4px 10px;
      background: var(--accent-mint);
      color: #000;
      font-size: 12px;
      font-weight: 800;
      border-radius: 4px;
      margin-bottom: 16px;
    }

    .about-card-box h4 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .about-media-stack {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
    }

    .about-media-stack img {
      width: 100%;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: block;
    }

    /* 服务能力与场景矩阵 (AIGC服务 & 一站式制作) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--border-color);
      transition: background 0.3s;
    }

    .service-card:hover {
      border-color: var(--primary);
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .service-card:hover::before {
      background: var(--primary);
    }

    .service-card.coral:hover::before {
      background: var(--accent-coral);
    }

    .service-card.amber:hover::before {
      background: var(--accent-amber);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 16px;
      background: rgba(15, 82, 255, 0.08);
      color: var(--primary);
    }

    .service-card.coral .service-icon-box {
      background: rgba(255, 77, 54, 0.1);
      color: var(--accent-coral);
    }

    .service-card.amber .service-icon-box {
      background: rgba(255, 184, 0, 0.15);
      color: #B45309;
    }

    .service-card h3 {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tags span {
      font-size: 12px;
      font-weight: 600;
      padding: 3px 8px;
      background: #F3F4F6;
      color: #374151;
      border-radius: 4px;
    }

    /* 行业解决方案与素材展示 */
    .industry-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 40px;
      align-items: center;
    }

    .industry-media-box {
      background: #FFFFFF;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .industry-media-box img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      display: block;
    }

    .industry-text-box h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .industry-text-box p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 标准制作流程 */
    .process-steps-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      transition: all 0.3s ease;
    }

    .process-card:hover {
      border-color: var(--accent-coral);
      transform: translateY(-4px);
    }

    .process-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--text-main);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .process-card.active-step .process-num {
      background: var(--accent-coral);
    }

    .process-card h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测版块 - 严格按规范 */
    .eval-section {
      background: #FFFFFF;
      border-top: 2px solid var(--border-color);
      border-bottom: 2px solid var(--border-color);
      padding: 80px 0;
    }

    .eval-highlight-card {
      background: linear-gradient(135deg, #0F52FF 0%, #1E3A8A 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
      box-shadow: 0 12px 30px rgba(15, 82, 255, 0.25);
    }

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

    .eval-rating-number {
      font-size: 64px;
      font-weight: 900;
      line-height: 1;
      color: var(--accent-amber);
    }

    .eval-rating-detail h4 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .eval-rating-detail p {
      font-size: 15px;
      opacity: 0.9;
    }

    .eval-stars-tag {
      display: inline-block;
      background: var(--accent-coral);
      color: #FFFFFF;
      padding: 6px 16px;
      font-size: 14px;
      font-weight: 800;
      border-radius: 20px;
    }

    .eval-table-container {
      overflow-x: auto;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #FFFFFF;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .eval-table th,
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .eval-table th {
      background: #F8FAFC;
      font-weight: 800;
      color: var(--text-main);
    }

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

    .eval-table .brand-col {
      background: rgba(15, 82, 255, 0.04);
      font-weight: 700;
      color: var(--primary);
    }

    .badge-check {
      color: var(--accent-mint);
      font-weight: 800;
      margin-right: 4px;
    }

    .badge-cross {
      color: #94A3B8;
      margin-right: 4px;
    }

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

    .token-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      text-align: center;
      transition: all 0.3s;
    }

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

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

    .token-price-wrap {
      margin: 16px 0;
      padding: 14px;
      background: #F8FAFC;
      border-radius: 8px;
    }

    .token-price-val {
      font-size: 26px;
      font-weight: 900;
      color: var(--accent-coral);
    }

    .token-official-val {
      font-size: 13px;
      color: #94A3B8;
      text-decoration: line-through;
      margin-top: 4px;
    }

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

    .case-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .case-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .case-media-box {
      width: 100%;
      height: 180px;
      background: #E2E8F0;
      position: relative;
      overflow: hidden;
    }

    .case-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-info {
      padding: 20px;
    }

    .case-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      background: rgba(15, 82, 255, 0.1);
      color: var(--primary);
      border-radius: 4px;
      margin-bottom: 8px;
      display: inline-block;
    }

    .case-info h4 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

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

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

    .review-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card:hover {
      border-color: var(--accent-amber);
      box-shadow: var(--shadow-sm);
    }

    .review-text {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .review-avatar-text {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
    }

    .review-meta h5 {
      font-size: 14px;
      font-weight: 800;
      color: var(--text-main);
    }

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

    /* 需求匹配与表单 */
    .form-section-wrap {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }

    .form-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }

    .form-info-col h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .form-info-col p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-card-items {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-card-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .contact-qr-box {
      padding: 16px;
      background: #F8FAFC;
      border-radius: var(--radius-md);
      display: inline-block;
      border: 1px solid var(--border-color);
    }

    .contact-qr-box img {
      width: 120px;
      height: 120px;
      display: block;
      margin-bottom: 8px;
    }

    .contact-qr-box span {
      font-size: 12px;
      color: var(--text-muted);
      display: block;
      text-align: center;
    }

    .form-inputs-col {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #FFFFFF;
      transition: border-color 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
    }

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

    /* FAQ 折叠面板 (不少于10条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s;
    }

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

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 800;
      font-size: 16px;
      color: var(--text-main);
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 20px;
      font-weight: 900;
      color: var(--primary);
      transition: transform 0.3s;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

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

    /* AI百科 & 行业资讯 */
    .info-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .info-card-box {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .info-card-box h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .info-links-list li a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 14px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-radius: 6px;
      background: #F8FAFC;
      transition: all 0.2s;
    }

    .info-links-list li a:hover {
      background: rgba(15, 82, 255, 0.08);
      color: var(--primary);
    }

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
      align-items: center;
      border: 2px solid #374151;
    }

    .agent-banner h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #FFFFFF;
    }

    .agent-banner p {
      font-size: 15px;
      opacity: 0.85;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .agent-perk-badge {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 700;
      background: rgba(255, 255, 255, 0.1);
      padding: 6px 14px;
      border-radius: 6px;
      color: #FFFFFF;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #FFFFFF;
      border-top: 2px solid var(--border-color);
      padding: 56px 0 32px;
      color: var(--text-main);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 16px;
    }

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

    .footer-col ul li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-col ul li a:hover {
      color: var(--primary);
    }

    .footer-friends-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .footer-friends-title {
      font-size: 13px;
      font-weight: 800;
      color: var(--text-muted);
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .footer-friends-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .footer-friends-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }

    .footer-friends-links a:hover {
      color: var(--primary);
    }

    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 浮动客服挂件 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      cursor: pointer;
      color: var(--primary);
      text-decoration: none;
      transition: all 0.2s ease;
      position: relative;
    }

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

    .float-btn.qr-btn:hover .float-qr-pop {
      display: block;
    }

    .float-qr-pop {
      display: none;
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 12px;
      box-shadow: var(--shadow-lg);
      width: 140px;
      text-align: center;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      display: block;
      margin-bottom: 6px;
    }

    .float-qr-pop span {
      font-size: 12px;
      color: var(--text-main);
      font-weight: 700;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .token-grid,
      .cases-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 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: 20px;
        border-bottom: 2px solid var(--border-color);
        box-shadow: var(--shadow-md);
        gap: 0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 16px;
      }
      .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .about-grid,
      .industry-showcase,
      .form-layout,
      .info-layout,
      .agent-banner {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .token-grid,
      .cases-grid,
      .reviews-grid,
      .process-steps-wrap {
        grid-template-columns: 1fr;
      }
      .eval-highlight-card {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .eval-score-box {
        flex-direction: column;
        gap: 8px;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }