:root {
      --primary: #2D32EC;
      --primary-hover: #1F23C4;
      --accent-orange: #FF5A1F;
      --accent-cyan: #00B8D9;
      --accent-emerald: #059669;
      --accent-violet: #7C3AED;
      --dark-text: #0F172A;
      --muted-text: #475569;
      --light-text: #64748B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --border-color: #E2E8F0;
      --border-focus: #2D32EC;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 12px rgba(45, 50, 236, 0.08);
      --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--dark-text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

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

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

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

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

    .brand-title span {
      color: var(--accent-orange);
    }

    /* 必须设置 .nav-links 的 gap 为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--muted-text);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(45, 50, 236, 0.05);
    }

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

    .btn-site-direct {
      background: var(--accent-orange);
      color: #fff !important;
      padding: 9px 18px;
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 700;
      box-shadow: 0 4px 12px rgba(255, 90, 31, 0.3);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-site-direct:hover {
      background: #e04b16;
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 8px;
      cursor: pointer;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--dark-text);
      margin: 4px 0;
    }

    /* Hero 首屏 - 严禁出现图片 */
    .hero-section {
      background: linear-gradient(135deg, #EFF4FF 0%, #FDF2F8 50%, #FFFBEB 100%);
      padding: 70px 0 60px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      padding: 6px 16px;
      border-radius: 50px;
      border: 1px solid #CBD5E1;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-tag {
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 20px;
    }

    .hero-badge-text {
      font-size: 0.88rem;
      color: var(--muted-text);
      font-weight: 600;
    }

    /* H1 控制在20字以内 */
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark-text);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight-blue {
      color: var(--primary);
    }

    .hero-title .highlight-orange {
      color: var(--accent-orange);
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--muted-text);
      line-height: 1.7;
      margin-bottom: 36px;
    }

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

    .btn-hero-primary {
      background: var(--accent-orange);
      color: #FFFFFF !important;
      font-size: 1.15rem;
      font-weight: 800;
      padding: 14px 34px;
      border-radius: 50px;
      box-shadow: 0 8px 24px rgba(255, 90, 31, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      background: #E04B16;
      transform: translateY(-2px);
    }

    .btn-hero-secondary {
      background: #FFFFFF;
      color: var(--primary) !important;
      border: 2px solid var(--primary);
      font-size: 1.1rem;
      font-weight: 700;
      padding: 13px 30px;
      border-radius: 50px;
    }

    .btn-hero-secondary:hover {
      background: rgba(45, 50, 236, 0.05);
      transform: translateY(-2px);
    }

    /* Hero 无图数据指示器 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .stat-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 20px 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s ease;
    }

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

    .stat-num {
      font-size: 1.85rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
      display: block;
    }

    .stat-num.orange {
      color: var(--accent-orange);
    }

    .stat-num.emerald {
      color: var(--accent-emerald);
    }

    .stat-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--muted-text);
    }

    /* 通用章节样式 */
    .section-block {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary);
      background: rgba(45, 50, 236, 0.08);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--dark-text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--muted-text);
    }

    /* 平台介绍 / 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-info-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .about-info-box h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--dark-text);
    }

    .about-info-box p {
      color: var(--muted-text);
      margin-bottom: 16px;
      font-size: 0.96rem;
    }

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

    .about-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    .feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-orange);
    }

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

    .metric-card {
      background: #FFFFFF;
      border-left: 4px solid var(--primary);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      border-left-width: 5px;
    }

    .metric-card:nth-child(2) {
      border-left-color: var(--accent-orange);
    }

    .metric-card:nth-child(3) {
      border-left-color: var(--accent-emerald);
    }

    .metric-card:nth-child(4) {
      border-left-color: var(--accent-violet);
    }

    .metric-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

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

    /* 模型矩阵标签云 */
    .models-cloud-wrap {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      margin-top: 30px;
    }

    .models-title {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .models-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-chip {
      background: #F1F5F9;
      color: var(--dark-text);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.84rem;
      font-weight: 700;
      border: 1px solid #E2E8F0;
      transition: all 0.2s ease;
    }

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

    /* 服务卡片网格 (一站式制作) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
    }

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

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
      background: #EEF2FF;
      color: var(--primary);
    }

    .service-card.hot .service-badge {
      background: #FFF1EE;
      color: var(--accent-orange);
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.88rem;
      color: var(--muted-text);
      line-height: 1.6;
    }

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

    .solution-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .solution-box h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 10px;
      border-bottom: 2px solid #F1F5F9;
      padding-bottom: 8px;
    }

    .solution-box p {
      font-size: 0.9rem;
      color: var(--muted-text);
      margin-bottom: 12px;
    }

    .solution-points {
      list-style: none;
    }

    .solution-points li {
      font-size: 0.85rem;
      color: var(--light-text);
      margin-bottom: 6px;
      position: relative;
      padding-left: 14px;
    }

    .solution-points li::before {
      content: "•";
      color: var(--accent-orange);
      position: absolute;
      left: 0;
      font-weight: bold;
    }

    /* 标准流程时间线 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-index {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 1.1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .process-step:nth-child(2) .step-index {
      background: var(--accent-orange);
    }

    .process-step:nth-child(3) .step-index {
      background: var(--accent-cyan);
    }

    .process-step:nth-child(4) .step-index {
      background: var(--accent-emerald);
    }

    .step-name {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .step-detail {
      font-size: 0.85rem;
      color: var(--muted-text);
    }

    /* 案例中心 (含图片响应式呈现) */
    .cases-gallery {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-bottom: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .case-img-container {
      width: 100%;
      background: #F1F5F9;
      overflow: hidden;
    }

    .case-img-container img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

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

    .case-info {
      padding: 18px 20px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 0.85rem;
      color: var(--light-text);
    }

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

    .banner-asset-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

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

    /* 对比评测 - 突出推荐度与评分 */
    .review-score-hero {
      background: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 34px;
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-md);
    }

    .score-left-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-stars {
      color: #FBBF24;
      font-size: 1.25rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .score-right-badge {
      text-align: right;
    }

    .score-big-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: #38BDF8;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      color: #94A3B8;
    }

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

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

    .eval-table th,
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #E2E8F0;
      font-size: 0.92rem;
    }

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

    .eval-table td.brand-col {
      font-weight: 800;
      color: var(--primary);
      background: rgba(45, 50, 236, 0.03);
    }

    .tag-check {
      color: var(--accent-emerald);
      font-weight: 800;
    }

    /* Token比价 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .price-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s;
    }

    .price-card.featured {
      border: 2px solid var(--accent-orange);
      box-shadow: 0 8px 20px rgba(255, 90, 31, 0.15);
      position: relative;
    }

    .price-card.featured::before {
      content: "爆款推荐";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-orange);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 14px;
      border-radius: 20px;
    }

    .price-plan-name {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .price-val {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 14px;
    }

    .price-val.orange {
      color: var(--accent-orange);
    }

    .price-val small {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--light-text);
    }

    .price-features {
      list-style: none;
      margin-bottom: 20px;
      text-align: left;
    }

    .price-features li {
      font-size: 0.88rem;
      color: var(--muted-text);
      padding: 6px 0;
      border-bottom: 1px dashed #E2E8F0;
    }

    /* 6条用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .review-comment {
      font-size: 0.92rem;
      color: var(--muted-text);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

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

    .avatar-icon {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #EEF2FF;
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .author-name {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--dark-text);
    }

    .author-role {
      font-size: 0.8rem;
      color: var(--light-text);
    }

    /* 加盟代理模块 */
    .franchise-box {
      background: linear-gradient(135deg, #FFF7ED 0%, #FEF3C7 100%);
      border: 1px solid #FDE68A;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .franchise-title {
      font-size: 1.8rem;
      font-weight: 800;
      color: #78350F;
      margin-bottom: 12px;
    }

    .franchise-desc {
      font-size: 1rem;
      color: #92400E;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .franchise-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .franchise-list li {
      font-size: 0.9rem;
      font-weight: 700;
      color: #B45309;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .franchise-cta-card {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      text-align: center;
    }

    .franchise-cta-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .franchise-cta-card p {
      font-size: 0.85rem;
      color: var(--light-text);
      margin-bottom: 16px;
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-text);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
      background: #FFFFFF;
      transition: background 0.2s;
    }

    .faq-question:hover {
      background: #F8FAFC;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--primary);
      transition: transform 0.3s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      padding: 0 24px;
      font-size: 0.92rem;
      color: var(--muted-text);
      line-height: 1.7;
      background: #F8FAFC;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 20px;
      border-top: 1px solid #F1F5F9;
    }

    /* 行业资讯与文章 */
    .articles-wrap {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      margin-top: 24px;
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .article-link-item {
      background: #F8FAFC;
      border: 1px solid #E2E8F0;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--primary);
      display: block;
      font-weight: 600;
      word-break: break-all;
    }

    .article-link-item:hover {
      background: #EEF2FF;
      border-color: var(--primary);
    }

    /* 联系表单与信息 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
    }

    .contact-form-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.2s;
      font-family: inherit;
      background: #FFFFFF;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(45, 50, 236, 0.1);
    }

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

    .btn-submit-form {
      background: var(--primary);
      color: #FFFFFF;
      border: none;
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      width: 100%;
      box-shadow: 0 4px 14px rgba(45, 50, 236, 0.3);
      transition: background 0.2s, transform 0.2s;
    }

    .btn-submit-form:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    .contact-info-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-channel-item {
      margin-bottom: 16px;
    }

    .channel-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--light-text);
      margin-bottom: 4px;
    }

    .channel-value {
      font-size: 1rem;
      font-weight: 800;
      color: var(--dark-text);
    }

    .qrcode-wrapper {
      margin-top: 18px;
      text-align: center;
      background: #F8FAFC;
      border: 1px dashed #CBD5E1;
      padding: 18px;
      border-radius: var(--radius-md);
    }

    .qrcode-wrapper img {
      max-width: 130px;
      height: auto;
      display: block;
      margin: 0 auto 8px;
      border-radius: 6px;
    }

    .qrcode-hint {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--muted-text);
    }

    /* 页面底栏 (Footer) */
    .site-footer {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 24px;
    }

    .footer-content-wrap {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .footer-links-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 12px;
    }

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

    .friendly-links-flex a {
      font-size: 0.85rem;
      color: var(--muted-text);
      background: #F1F5F9;
      padding: 4px 12px;
      border-radius: 4px;
    }

    .friendly-links-flex a:hover {
      color: var(--primary);
      background: #EEF2FF;
    }

    .footer-bottom-bar {
      border-top: 1px solid #F1F5F9;
      margin-top: 24px;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--light-text);
    }

    .ai-page-home-link {
      font-weight: 700;
      color: var(--primary);
    }

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

    .widget-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--dark-text);
      font-weight: 800;
      font-size: 0.82rem;
      transition: all 0.2s;
    }

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

    .widget-btn.kefu-btn {
      background: var(--accent-orange);
      color: #FFFFFF;
      border-color: var(--accent-orange);
    }

    /* 移动端适配 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .services-grid,
      .solution-tabs-grid,
      .reviews-grid,
      .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .contact-grid,
      .franchise-box {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid,
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        display: none;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
      }
      .mobile-menu-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.7rem;
      }
      .hero-stats-grid,
      .services-grid,
      .solution-tabs-grid,
      .reviews-grid,
      .pricing-grid,
      .process-timeline,
      .banner-assets-showcase,
      .cases-gallery {
        grid-template-columns: 1fr;
      }
      .review-score-hero {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .score-right-badge {
        text-align: center;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }