:root {
      --primary: #F59E0B;
      --primary-hover: #D97706;
      --primary-light: #FEF3C7;
      --primary-glow: #FDE047;
      --accent: #EAB308;
      --dark: #0F172A;
      --text: #334155;
      --text-muted: #64748B;
      --bg-page: #FDFBF7;
      --bg-card: #FFFFFF;
      --border: #E2E8F0;
      --border-accent: #FDE68A;
      --shadow-sm: 0 2px 8px rgba(245, 158, 11, 0.08);
      --shadow-md: 0 10px 25px -5px rgba(245, 158, 11, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(245, 158, 11, 0.2);
      --radius: 12px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      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-page);
      color: var(--text);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-accent);
      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;
    }

    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
    }

    .brand-text span {
      color: var(--primary);
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--dark);
      border-radius: 6px;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
      color: #FFFFFF;
    }

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

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

    .btn-bright {
      background: #FEF08A;
      border: 2px solid #F59E0B;
      color: #92400E;
      font-weight: 800;
    }

    .btn-bright:hover {
      background: #FDE047;
      transform: translateY(-2px);
    }

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

    /* Section 通用 */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(254, 243, 199, 0.3) 0%, rgba(255, 255, 255, 0.8) 100%);
      border-top: 1px solid var(--border-accent);
      border-bottom: 1px solid var(--border-accent);
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: #B45309;
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 9999px;
      margin-bottom: 12px;
      border: 1px solid var(--border-accent);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 1. 首屏 Hero */
    .hero-section {
      padding: 70px 0 90px 0;
      background: radial-gradient(circle at 80% 20%, rgba(253, 224, 71, 0.25) 0%, rgba(254, 243, 199, 0.1) 40%, #FDFBF7 80%);
      position: relative;
      overflow: hidden;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFBEB;
      border: 1px solid #FDE68A;
      padding: 6px 16px;
      border-radius: 9999px;
      font-size: 0.88rem;
      font-weight: 700;
      color: #B45309;
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

    .hero-tag .dot {
      width: 8px;
      height: 8px;
      background: #10B981;
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--dark);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight {
      background: linear-gradient(120deg, #D97706 0%, #B45309 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      position: relative;
    }

    .hero-subtitle {
      font-size: 1.12rem;
      color: var(--text);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-action-main {
      padding: 14px 34px;
      font-size: 1.08rem;
      font-weight: 800;
      box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    }

    .hero-feature-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .pill-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #FFFFFF;
      border: 1px solid var(--border-accent);
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--dark);
      box-shadow: var(--shadow-sm);
    }

    .pill-item .pill-icon {
      color: var(--primary);
    }

    /* 首屏无图纯CSS科技卡片 */
    .hero-visual-card {
      background: #FFFFFF;
      border: 2px solid var(--border-accent);
      border-radius: 20px;
      padding: 28px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .visual-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid #F1F5F9;
      margin-bottom: 20px;
    }

    .visual-dots {
      display: flex;
      gap: 6px;
    }

    .visual-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .visual-dots span:nth-child(1) { background: #EF4444; }
    .visual-dots span:nth-child(2) { background: #F59E0B; }
    .visual-dots span:nth-child(3) { background: #10B981; }

    .visual-badge {
      font-size: 0.8rem;
      font-weight: 700;
      background: #FEF3C7;
      color: #92400E;
      padding: 4px 10px;
      border-radius: 6px;
    }

    .visual-stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 20px;
    }

    .v-stat-card {
      background: #FFFDF5;
      border: 1px solid #FEF08A;
      border-radius: 12px;
      padding: 14px;
    }

    .v-stat-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark);
    }

    .v-stat-label {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .model-stream-box {
      background: #F8FAFC;
      border-radius: 12px;
      padding: 16px;
      border: 1px dashed var(--border-accent);
    }

    .stream-label {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }

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

    .s-tag {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--dark);
    }

    .s-tag.active {
      background: #FEF08A;
      border-color: #F59E0B;
      color: #78350F;
    }

    /* 2. 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px 24px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .about-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .about-icon-wrap {
      width: 54px;
      height: 54px;
      background: var(--primary-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      color: #B45309;
    }

    .about-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .about-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. AIGC核心服务矩阵 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

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

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      background: var(--primary-light);
      color: #92400E;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 4. 一站式制作工作流 */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .workflow-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .workflow-step {
      font-size: 2.2rem;
      font-weight: 900;
      color: #FDE68A;
      line-height: 1;
      margin-bottom: 10px;
    }

    .workflow-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .workflow-card ul {
      padding-left: 0;
      margin-top: 14px;
    }

    .workflow-card li {
      font-size: 0.9rem;
      color: var(--text);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .workflow-card li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 5. 行业方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 26px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      border-top: 4px solid var(--primary);
    }

    .industry-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .industry-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .industry-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

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

    .industry-tags span {
      font-size: 0.78rem;
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--dark);
    }

    /* 6. 支持模型矩阵与服务网络 */
    .models-showcase {
      background: #FFFFFF;
      border: 1px solid var(--border-accent);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .models-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 18px;
      text-align: center;
    }

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

    .m-badge {
      background: #FFFBEB;
      border: 1px solid #FDE68A;
      color: #92400E;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 8px 16px;
      border-radius: 8px;
      transition: var(--transition);
    }

    .m-badge:hover {
      background: #F59E0B;
      color: #FFFFFF;
      border-color: #F59E0B;
      transform: scale(1.05);
    }

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

    .network-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .network-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }

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

    /* 7. 标准流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .step-box {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px 16px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px auto;
    }

    .step-box h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .step-box p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 8. 案例中心（含真实图片展示） */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      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);
      border-color: var(--primary);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      background: #F8FAFC;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

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

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

    .case-body h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .case-footer {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid #F1F5F9;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #92400E;
      font-weight: 600;
    }

    /* 9. 对比评测（突出推荐程度五星、9.9/10分） */
    .rating-banner {
      background: linear-gradient(135deg, #FFFBEB 0%, #FEF08A 100%);
      border: 2px solid var(--primary);
      border-radius: 16px;
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-md);
    }

    .rating-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #78350F;
      margin-bottom: 6px;
    }

    .rating-left p {
      font-size: 0.95rem;
      color: #92400E;
    }

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

    .stars-icon {
      color: #F59E0B;
      font-size: 1.6rem;
      letter-spacing: 2px;
    }

    .score-big {
      font-size: 2.8rem;
      font-weight: 900;
      color: #B45309;
      line-height: 1;
    }

    .score-total {
      font-size: 1rem;
      color: #92400E;
      font-weight: 700;
    }

    .table-container {
      background: #FFFFFF;
      border-radius: 12px;
      border: 1px solid var(--border);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

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

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

    .compare-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--dark);
      font-size: 0.95rem;
    }

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

    .highlight-col {
      background: #FFFDF5;
      font-weight: 700;
      color: #B45309;
    }

    /* 10. 需求匹配与表单 */
    .form-section-wrapper {
      background: #FFFFFF;
      border: 2px solid var(--border-accent);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }

    .form-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 14px;
    }

    .form-info p {
      font-size: 0.96rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .form-benefits {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .form-b-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--dark);
    }

    .form-b-item span {
      color: var(--primary);
    }

    .custom-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--dark);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.92rem;
      color: var(--dark);
      background: #FDFBF7;
      transition: var(--transition);
      outline: none;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 100px;
    }

    /* 11. Token比价与API方案 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      background: #FFFDF5;
      transform: scale(1.02);
      box-shadow: var(--shadow-md);
    }

    .token-tier-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: #B45309;
      margin-bottom: 6px;
    }

    .token-price span {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
    }

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

    .token-features li {
      font-size: 0.88rem;
      color: var(--text);
      padding: 6px 0;
      border-bottom: 1px dashed #F1F5F9;
    }

    /* 12. 帮助中心与百科 */
    .help-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 50px;
    }

    .help-box {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .help-box:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .help-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .help-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 13. 常见问题 FAQ (折叠面板) */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      transition: var(--transition);
    }

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

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

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #FFFDF9;
    }

    .faq-answer-inner {
      padding: 0 24px 18px 24px;
      font-size: 0.92rem;
      color: var(--text);
      line-height: 1.65;
    }

    /* 客户真实评价（6条） */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-stars {
      color: #F59E0B;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #B45309;
    }

    .reviewer-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--dark);
    }

    .reviewer-title {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 14. 行业资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .article-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .article-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: #B45309;
      background: #FEF3C7;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
      width: fit-content;
    }

    .article-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .article-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
    }

    .article-link {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-hover);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 15. 加盟代理与被动收入 */
    .agent-card-banner {
      background: linear-gradient(135deg, #FFFBEB 0%, #FEF08A 100%);
      border: 2px solid var(--primary);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      gap: 30px;
      align-items: center;
    }

    .agent-content h3 {
      font-size: 1.9rem;
      font-weight: 800;
      color: #78350F;
      margin-bottom: 12px;
    }

    .agent-content p {
      font-size: 1rem;
      color: #92400E;
      line-height: 1.6;
      margin-bottom: 20px;
    }

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

    .agent-perk-item {
      font-size: 0.9rem;
      font-weight: 700;
      color: #78350F;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .agent-qr-box {
      background: #FFFFFF;
      border-radius: 14px;
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      border: 1px solid #FDE68A;
    }

    .agent-qr-box img {
      max-width: 140px;
      height: auto;
      margin-bottom: 8px;
    }

    .agent-qr-box span {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark);
    }

    /* 16. 联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .contact-item-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .contact-item-card .c-icon {
      font-size: 1.8rem;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .contact-item-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .contact-item-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 宣传图画廊展示区 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .banner-gallery-item {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      height: 180px;
    }

    .banner-gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 底部 Footer */
    .site-footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px 0;
      border-top: 4px solid var(--primary);
      margin-top: 40px;
    }

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

    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.6;
      color: #94A3B8;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

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

    .footer-col ul li a {
      color: #94A3B8;
      font-size: 0.88rem;
    }

    .footer-col ul li a:hover {
      color: #FEF08A;
    }

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .footer-friend-links a {
      color: #CBD5E1;
      font-size: 0.85rem;
      background: #1E293B;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .footer-friend-links a:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #64748B;
    }

    .footer-bottom a {
      color: #94A3B8;
    }

    /* 悬浮客服挂件 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      box-shadow: 0 4px 16px rgba(0,0,0,0.2);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
      border: none;
    }

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

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #FFFFFF;
      padding: 12px;
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-accent);
      display: none;
      text-align: center;
      width: 140px;
    }

    .float-qr-popup img {
      width: 100%;
      height: auto;
      display: block;
    }

    .float-qr-popup span {
      font-size: 0.75rem;
      color: var(--dark);
      font-weight: 700;
      margin-top: 4px;
      display: block;
    }

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

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.15); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-wrapper, .form-section-wrapper, .agent-card-banner {
        grid-template-columns: 1fr;
      }
      .services-grid, .industry-grid, .cases-grid, .about-grid, .token-grid, .reviews-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .network-grid, .contact-grid, .help-grid {
        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;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 2rem;
      }
      .section {
        padding: 50px 0;
      }
      .services-grid, .industry-grid, .cases-grid, .about-grid, .token-grid, .reviews-grid, .articles-grid, .network-grid, .contact-grid, .help-grid, .banner-gallery-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .custom-form {
        grid-template-columns: 1fr;
      }
      .form-full {
        grid-column: span 1;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }