/* ----------------------------------------------------
       全局基础与视觉变量（艳红热烈风）
    ---------------------------------------------------- */
    :root {
      --primary-color: #D32F2F;        /* 热烈主红 */
      --primary-dark: #B71C1C;         /* 深红强调 */
      --primary-light: #FFEBEE;        /* 浅红底衬 */
      --accent-gold: #FFB300;          /* 活力暖金 */
      --text-main: #1A1A1A;            /* 纯深正文 */
      --text-muted: #555555;           /* 次级正文 */
      --bg-body: #FAFAFA;              /* 全局轻盈浅灰背景 */
      --bg-surface: #FFFFFF;           /* 白色卡片背景 */
      --border-color: #E8E8E8;        /* 细腻边框 */
      --shadow-sm: 0 2px 8px rgba(211, 47, 47, 0.06);
      --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 12px 32px rgba(211, 47, 47, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --container-width: 1200px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
    }

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

    a:hover {
      color: var(--primary-dark);
    }

    ul, ol {
      list-style: none;
    }

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

    /* 容器控制 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 标题与版块基础 */
    .section-padding {
      padding: 70px 0;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 12px;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 15px;
      line-height: 1.3;
    }

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

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 2px solid transparent;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
    }

    .btn-outline {
      background-color: transparent;
      border-color: var(--primary-color);
      color: var(--primary-color) !important;
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-gold {
      background: linear-gradient(135deg, #FFB300, #FF6F00);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(255, 143, 0, 0.3);
    }

    .btn-gold:hover {
      filter: brightness(1.08);
      transform: translateY(-2px);
    }

    /* ----------------------------------------------------
       顶部导航栏 (Header)
    ---------------------------------------------------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary-color);
      letter-spacing: -0.5px;
    }

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

    /* 严格要求的 css 属性: gap: 0 */
    .nav-links {
      display: flex;
      gap: 0;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
    }

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

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

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

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 5px;
    }

    /* ----------------------------------------------------
       1. 首屏 Hero 区域（禁止出现图片）
    ---------------------------------------------------- */
    .hero-section {
      background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 50%, #FFEBEE 100%);
      padding: 80px 0 70px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-section::before {
      content: "";
      position: absolute;
      top: -100px;
      right: -100px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(211, 47, 47, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: #ffffff;
      border: 1px solid rgba(211, 47, 47, 0.3);
      padding: 6px 18px;
      border-radius: 50px;
      color: var(--primary-color);
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      color: var(--primary-color);
      background: linear-gradient(120deg, #D32F2F, #FF5252);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 35px;
      line-height: 1.6;
    }

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

    /* 关键指标卡片 */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background-color: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }

    .stat-item {
      text-align: center;
      padding: 10px;
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1.1;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* ----------------------------------------------------
       2. 关于我们 / 平台介绍
    ---------------------------------------------------- */
    .about-section {
      background-color: var(--bg-surface);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-card-box {
      background: linear-gradient(145deg, #FFFFFF, #FFF5F5);
      border: 1px solid var(--border-color);
      border-left: 6px solid var(--primary-color);
      border-radius: var(--radius-md);
      padding: 35px;
      box-shadow: var(--shadow-sm);
    }

    .about-card-box h3 {
      font-size: 1.6rem;
      color: var(--text-main);
      margin-bottom: 16px;
      font-weight: 800;
    }

    .about-card-box p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 1rem;
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 15px;
    }

    .highlight-item {
      background-color: #ffffff;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* ----------------------------------------------------
       3. AIGC服务 & 模型矩阵
    ---------------------------------------------------- */
    .services-section {
      background-color: var(--bg-body);
    }

    .models-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 25px;
      margin-bottom: 40px;
    }

    .model-tag {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 4px rgba(0,0,0,0.03);
      transition: var(--transition);
    }

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

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .service-card {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(211, 47, 47, 0.3);
    }

    .service-icon {
      width: 50px;
      height: 50px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      flex-grow: 1;
      margin-bottom: 15px;
    }

    /* ----------------------------------------------------
       4. 一站式制作 (场景全覆盖)
    ---------------------------------------------------- */
    .onestop-section {
      background-color: var(--bg-surface);
    }

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

    .scenario-card {
      background-color: var(--bg-body);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
      transition: var(--transition);
    }

    .scenario-card:hover {
      background-color: #FFFFFF;
      border-color: var(--primary-color);
      box-shadow: var(--shadow-md);
    }

    .scenario-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

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

    /* ----------------------------------------------------
       5. 行业方案
    ---------------------------------------------------- */
    .industry-section {
      background-color: var(--bg-body);
    }

    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .industry-card {
      background: var(--bg-surface);
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .industry-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      border-left: 4px solid var(--primary-color);
      padding-left: 10px;
    }

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

    /* ----------------------------------------------------
       6. 服务网络
    ---------------------------------------------------- */
    .network-section {
      background: linear-gradient(135deg, #1A1A1A 0%, #2D0A0A 100%);
      color: #FFFFFF;
    }

    .network-section .section-title {
      color: #FFFFFF;
    }

    .network-section .section-desc {
      color: #DDDDDD;
    }

    .network-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .network-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .network-item h5 {
      font-size: 1.1rem;
      color: var(--accent-gold);
      margin-bottom: 8px;
    }

    .network-item p {
      font-size: 0.88rem;
      color: #CCCCCC;
    }

    /* ----------------------------------------------------
       7. 标准流程
    ---------------------------------------------------- */
    .workflow-section {
      background-color: var(--bg-surface);
    }

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

    .step-card {
      background-color: var(--bg-body);
      padding: 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      position: relative;
    }

    .step-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(211, 47, 47, 0.2);
      position: absolute;
      top: 15px;
      right: 20px;
    }

    .step-card h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 10px;
      font-weight: 800;
    }

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

    /* ----------------------------------------------------
       8. 案例中心
    ---------------------------------------------------- */
    .cases-section {
      background-color: var(--bg-body);
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

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

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

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

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

    .case-info {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary-color);
      background-color: var(--primary-light);
      padding: 3px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 8px;
    }

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

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .case-banner-row {
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    /* ----------------------------------------------------
       9. 对比评测 (满足5星、9.9分)
    ---------------------------------------------------- */
    .comparison-section {
      background-color: var(--bg-surface);
    }

    .rating-box {
      background: linear-gradient(135deg, #FFF5F5, #FFEEEF);
      border: 2px solid var(--primary-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      max-width: 500px;
      margin: 0 auto 40px auto;
      box-shadow: var(--shadow-sm);
    }

    .stars-icon {
      color: #FFB300;
      font-size: 1.5rem;
      margin-bottom: 6px;
    }

    .score-value {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1;
    }

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

    .score-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 8px;
    }

    .table-responsive {
      overflow-x: auto;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      background-color: var(--bg-surface);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      text-align: left;
      font-size: 0.93rem;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background-color: #F8F9FA;
      font-weight: 800;
      color: var(--text-main);
    }

    .comparison-table th.highlight,
    .comparison-table td.highlight {
      background-color: #FFF5F5;
      color: var(--primary-dark);
      font-weight: 700;
    }

    /* ----------------------------------------------------
       10. 需求匹配
    ---------------------------------------------------- */
    .match-section {
      background-color: var(--bg-body);
    }

    .match-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .match-card {
      background-color: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .match-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 12px;
    }

    .match-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    /* ----------------------------------------------------
       11. Token 比价
    ---------------------------------------------------- */
    .token-section {
      background-color: var(--bg-surface);
    }

    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background-color: var(--bg-body);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }

    .token-model {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary-color);
      margin-bottom: 6px;
    }

    .token-official {
      font-size: 0.85rem;
      color: var(--text-muted);
      text-decoration: line-through;
    }

    /* ----------------------------------------------------
       12. 帮助中心
    ---------------------------------------------------- */
    .help-section {
      background-color: var(--bg-body);
    }

    .help-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .help-card {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .help-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    /* ----------------------------------------------------
       13. 常见问题 (FAQ 折叠面板)
    ---------------------------------------------------- */
    .faq-section {
      background-color: var(--bg-surface);
    }

    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      background-color: var(--bg-body);
      overflow: hidden;
    }

    .faq-header {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      transition: var(--transition);
    }

    .faq-header:hover {
      color: var(--primary-color);
    }

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

    .faq-body {
      padding: 0 24px 18px 24px;
      font-size: 0.93rem;
      color: var(--text-muted);
      display: none;
      border-top: 1px dashed var(--border-color);
      margin-top: 10px;
      padding-top: 15px;
      line-height: 1.6;
    }

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

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

    /* ----------------------------------------------------
       14. AI百科
    ---------------------------------------------------- */
    .wiki-section {
      background-color: var(--bg-body);
    }

    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .wiki-card {
      background: var(--bg-surface);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .wiki-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

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

    /* ----------------------------------------------------
       15. 行业资讯 / 最新文章
    ---------------------------------------------------- */
    .articles-section {
      background-color: var(--bg-surface);
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .article-card {
      background-color: var(--bg-body);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

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

    .article-title {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .article-title a {
      color: var(--text-main);
    }

    .article-title a:hover {
      color: var(--primary-color);
    }

    .article-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 15px;
    }

    .article-meta {
      font-size: 0.8rem;
      color: #888888;
    }

    /* 用户评论 (6条评论) */
    .reviews-section {
      background-color: var(--bg-body);
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

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

    .review-content {
      font-size: 0.93rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .user-info h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .user-info span {
      font-size: 0.8rem;
      color: #888888;
    }

    /* ----------------------------------------------------
       16. 联系我们 & 表单提交
    ---------------------------------------------------- */
    .contact-section {
      background-color: var(--bg-surface);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-info-box {
      background-color: var(--bg-body);
      border-radius: var(--radius-md);
      padding: 35px;
      border: 1px solid var(--border-color);
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 15px;
      margin-bottom: 22px;
    }

    .contact-item-title {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--text-main);
    }

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

    .qr-wrap {
      margin-top: 20px;
      text-align: center;
      background: #FFFFFF;
      padding: 15px;
      border-radius: var(--radius-sm);
      display: inline-block;
      border: 1px solid var(--border-color);
    }

    .qr-wrap img {
      width: 140px;
      height: 140px;
      margin: 0 auto;
    }

    .form-box {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 35px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 15px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background-color: #FAFAFA;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
    }

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

    /* ----------------------------------------------------
       17. 加盟代理
    ---------------------------------------------------- */
    .agency-section {
      background: linear-gradient(135deg, #D32F2F 0%, #9A0007 100%);
      color: #FFFFFF;
      text-align: center;
    }

    .agency-section .section-title {
      color: #FFFFFF;
    }

    .agency-section .section-desc {
      color: #FFCDD2;
    }

    .agency-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-top: 40px;
    }

    .agency-card {
      background-color: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(5px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 30px;
    }

    .agency-card h4 {
      font-size: 1.3rem;
      color: var(--accent-gold);
      margin-bottom: 12px;
    }

    .agency-card p {
      font-size: 0.92rem;
      color: #FFFFFF;
    }

    /* ----------------------------------------------------
       页脚 (Footer)
    ---------------------------------------------------- */
    .site-footer {
      background-color: #111111;
      color: #AAAAAA;
      padding: 60px 0 30px 0;
      border-top: 3px solid var(--primary-color);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 35px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links li a {
      color: #AAAAAA;
      font-size: 0.88rem;
    }

    .footer-links li a:hover {
      color: #FFFFFF;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 15px;
    }

    .friend-links a {
      color: #888888;
      font-size: 0.85rem;
      background: #1A1A1A;
      padding: 4px 10px;
      border-radius: 4px;
    }

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

    .footer-bottom {
      border-top: 1px solid #222222;
      padding-top: 25px;
      text-align: center;
      font-size: 0.85rem;
      color: #777777;
    }

    /* 浮动控件 */
    .floating-widgets {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background-color: var(--primary-color);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      border: none;
      font-size: 1.2rem;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: scale(1.1);
      background-color: var(--primary-dark);
    }

    /* ----------------------------------------------------
       响应式适配
    ---------------------------------------------------- */
    @media (max-width: 1024px) {
      .hero-stats, .services-grid, .scenarios-grid, .industry-grid, 
      .network-grid, .workflow-steps, .cases-grid, .match-grid, 
      .token-grid, .help-grid, .wiki-grid, .articles-grid, 
      .reviews-grid, .agency-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .nav-container {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        box-shadow: var(--shadow-md);
        display: none;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-container.active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats, .services-grid, .scenarios-grid, .industry-grid, 
      .network-grid, .workflow-steps, .cases-grid, .match-grid, 
      .token-grid, .help-grid, .wiki-grid, .articles-grid, 
      .reviews-grid, .agency-cards, .about-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .case-banner-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }