/* CSS 重置与变量定义 - 艳红热烈主题风格 */
    :root {
      --primary-red: #c62828;
      --accent-red: #d32f2f;
      --bright-red: #e53935;
      --fiery-red: #ff3838;
      --light-red-bg: #fff5f5;
      --card-red-border: #fed7d7;
      --text-dark: #1a1a1a;
      --text-gray: #4a5568;
      --text-muted: #718096;
      --bg-page: #faf7f7;
      --bg-white: #ffffff;
      --shadow-sm: 0 2px 6px rgba(198, 40, 40, 0.06);
      --shadow-md: 0 8px 24px rgba(198, 40, 40, 0.08);
      --shadow-lg: 0 16px 36px rgba(198, 40, 40, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.28s ease-in-out;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
      font-size: 16px;
    }

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

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

    ul, ol {
      list-style: none;
    }

    /* 统一主容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部提示条 */
    .top-bar {
      background: linear-gradient(90deg, #b71c1c, var(--accent-red));
      color: #ffffff;
      font-size: 13px;
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-contact {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .top-bar-contact span {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 主导航栏 */
    .site-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--card-red-border);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      max-width: 200px;
    }
    .brand-logo img {
      max-height: 44px;
      width: auto;
    }
    
    /* 导航严格设置 gap:0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-links li a {
      padding: 10px 14px;
      font-weight: 500;
      font-size: 15px;
      color: var(--text-dark);
      border-radius: var(--radius-sm);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-red);
      background-color: var(--light-red-bg);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }
    .btn-red {
      background: linear-gradient(135deg, var(--fiery-red), var(--primary-red));
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(198, 40, 40, 0.3);
    }
    .btn-red:hover {
      background: linear-gradient(135deg, var(--accent-red), #9a1010);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(198, 40, 40, 0.4);
    }
    .btn-outline-red {
      border-color: var(--accent-red);
      color: var(--accent-red);
      background-color: #ffffff;
    }
    .btn-outline-red:hover {
      background-color: var(--light-red-bg);
      border-color: var(--primary-red);
      color: var(--primary-red);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--card-red-border);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      font-size: 18px;
      cursor: pointer;
      color: var(--primary-red);
    }

    /* 章节通用标题 */
    .section-spacing {
      padding: 72px 0;
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-eyebrow {
      display: inline-block;
      color: var(--primary-red);
      background-color: var(--light-red-bg);
      font-size: 13px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid var(--card-red-border);
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-gray);
    }

    /* 首屏 HERO 区域：纯CSS构造，严禁图片 */
    .hero-section {
      background: radial-gradient(circle at 50% 0%, #fff0f0 0%, var(--bg-page) 70%);
      padding: 70px 0 60px;
      border-bottom: 1px solid #f9dede;
      position: relative;
    }
    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-badge-wrap {
      margin-bottom: 20px;
    }
    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 18px;
      border-radius: 30px;
      border: 1px solid var(--card-red-border);
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-red);
      box-shadow: var(--shadow-sm);
    }
    .hero-pill-tag {
      background-color: var(--accent-red);
      color: #ffffff;
      padding: 2px 8px;
      border-radius: 12px;
      font-size: 11px;
    }
    /* H1 精准控制字数小于20字 */
    .hero-h1 {
      font-size: 42px;
      font-weight: 900;
      color: var(--text-dark);
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .hero-h1 span {
      color: var(--primary-red);
      background: linear-gradient(135deg, var(--fiery-red), var(--primary-red));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-gray);
      margin-bottom: 34px;
      line-height: 1.6;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-actions .btn-portal {
      font-size: 17px;
      padding: 14px 34px;
      background: linear-gradient(135deg, #d32f2f, #9a0007);
      box-shadow: 0 8px 24px rgba(211, 47, 47, 0.35);
      border-radius: 8px;
    }
    
    /* 核心数据指标卡片 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 24px;
    }
    .metric-card {
      background: #ffffff;
      padding: 20px 14px;
      border-radius: var(--radius-md);
      border: 1px solid var(--card-red-border);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent-red);
    }
    .metric-val {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-red);
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 13px;
      color: var(--text-gray);
      font-weight: 500;
    }

    /* 模型支持跑马标签云 */
    .model-tags-bar {
      margin-top: 36px;
      padding: 16px;
      background: #ffffff;
      border: 1px solid #f9dede;
      border-radius: var(--radius-md);
      text-align: left;
    }
    .model-tags-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-red);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .model-tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .model-tag {
      font-size: 12px;
      background: var(--light-red-bg);
      color: var(--text-dark);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #f8d7d7;
    }

    /* 平台介绍板块 */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .intro-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid #fae1e1;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .intro-card:hover {
      border-color: var(--accent-red);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .intro-icon {
      width: 48px;
      height: 48px;
      background: var(--light-red-bg);
      color: var(--primary-red);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 18px;
      border: 1px solid var(--card-red-border);
    }
    .intro-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-dark);
    }
    .intro-card p {
      font-size: 14px;
      color: var(--text-gray);
      line-height: 1.6;
    }

    /* AIGC 服务场景聚合矩阵 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid #f5dede;
      border-radius: var(--radius-md);
      padding: 22px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--bright-red);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .service-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 12px;
    }
    .service-head h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-dark);
    }
    .service-badge {
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: var(--light-red-bg);
      color: var(--primary-red);
      font-weight: 600;
      border: 1px solid var(--card-red-border);
    }
    .service-desc {
      font-size: 13px;
      color: var(--text-gray);
      line-height: 1.55;
      margin-bottom: 14px;
    }
    .service-foot {
      font-size: 12px;
      color: var(--primary-red);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 一站式制作工作流 */
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }
    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: #ffd0d0;
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-item h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-item p {
      font-size: 13px;
      color: var(--text-gray);
    }

    /* 对比评测：明确呈现 5星 9.9分 */
    .rating-banner {
      background: linear-gradient(135deg, #b71c1c, var(--primary-red));
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 32px;
      box-shadow: var(--shadow-md);
      flex-wrap: wrap;
      gap: 24px;
    }
    .rating-info h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .rating-info p {
      font-size: 15px;
      opacity: 0.9;
    }
    .rating-score-box {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      padding: 16px 30px;
      border-radius: var(--radius-md);
      text-align: center;
    }
    .stars {
      color: #ffeb3b;
      font-size: 22px;
      letter-spacing: 3px;
      margin-bottom: 4px;
    }
    .score-num {
      font-size: 36px;
      font-weight: 900;
      line-height: 1;
    }
    .score-max {
      font-size: 14px;
      opacity: 0.8;
    }

    .table-container {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .eval-table th {
      background-color: var(--light-red-bg);
      color: var(--text-dark);
      padding: 14px 18px;
      font-weight: 700;
      border-bottom: 2px solid var(--card-red-border);
    }
    .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #f7e6e6;
    }
    .eval-table tr:hover {
      background-color: #fffafb;
    }
    .eval-highlight {
      color: var(--primary-red);
      font-weight: 700;
    }

    /* 行业案例展示：引入真实图片规范 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid #fae2e2;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent-red);
    }
    .case-img-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f0f0f0;
    }
    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-img-box img {
      transform: scale(1.05);
    }
    .case-body {
      padding: 18px;
    }
    .case-category {
      font-size: 12px;
      color: var(--primary-red);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .case-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .case-body p {
      font-size: 13px;
      color: var(--text-gray);
    }

    /* 宣传条幅区域 */
    .banner-highlight-box {
      margin-top: 36px;
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 24px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .banner-img-wrap {
      flex: 1;
      max-width: 480px;
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .banner-text-wrap {
      flex: 1.2;
    }
    .banner-text-wrap h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary-red);
      margin-bottom: 12px;
    }
    .banner-text-wrap p {
      font-size: 14px;
      color: var(--text-gray);
      margin-bottom: 20px;
      line-height: 1.6;
    }

    /* Token 比价卡片组 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      padding: 22px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .token-card.featured {
      border-color: var(--primary-red);
      box-shadow: 0 8px 24px rgba(198, 40, 40, 0.12);
      position: relative;
    }
    .token-badge-top {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-red);
      color: #fff;
      font-size: 11px;
      padding: 2px 10px;
      border-radius: 10px;
      font-weight: 700;
    }
    .token-card h3 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .token-official {
      font-size: 12px;
      color: var(--text-muted);
      text-decoration: line-through;
      margin-bottom: 8px;
    }
    .token-price {
      font-size: 26px;
      font-weight: 900;
      color: var(--primary-red);
      margin-bottom: 12px;
    }
    .token-price small {
      font-size: 12px;
      font-weight: normal;
      color: var(--text-gray);
    }
    .token-features {
      font-size: 12px;
      color: var(--text-gray);
      text-align: left;
      line-height: 1.8;
      border-top: 1px dashed var(--card-red-border);
      padding-top: 12px;
      margin-top: 12px;
    }

    /* 加盟代理板块 */
    .agent-card {
      background: linear-gradient(135deg, #fff7f7, #ffffff);
      border: 2px solid var(--card-red-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .agent-content h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-red);
      margin-bottom: 14px;
    }
    .agent-content p {
      font-size: 15px;
      color: var(--text-gray);
      margin-bottom: 24px;
    }
    .agent-benefits {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 28px;
    }
    .benefit-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-dark);
    }
    .benefit-dot {
      width: 8px;
      height: 8px;
      background: var(--primary-red);
      border-radius: 50%;
    }

    /* 需求匹配与提交表单 */
    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .demand-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
    .form-group-full {
      grid-column: span 2;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-dark);
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #e2c0c0;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-dark);
      background-color: #ffffff;
      transition: var(--transition);
      outline: none;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
    }
    .form-textarea {
      resize: vertical;
      min-height: 100px;
    }

    /* 6条真实用户评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid #f6dede;
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 13px;
      color: var(--text-gray);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 10px;
      border-top: 1px solid #fbeef0;
      padding-top: 12px;
    }
    .review-avatar-char {
      width: 38px;
      height: 38px;
      background: var(--light-red-bg);
      color: var(--primary-red);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 15px;
      border: 1px solid var(--card-red-border);
    }
    .review-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
    }
    .review-role {
      font-size: 11px;
      color: var(--text-muted);
    }

    /* FAQ 手风琴面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 16px 22px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary-red);
      background-color: var(--light-red-bg);
    }
    .faq-icon {
      font-size: 18px;
      font-weight: bold;
      transition: transform 0.2s ease;
      color: var(--primary-red);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      display: none;
      padding: 14px 22px 18px;
      font-size: 14px;
      color: var(--text-gray);
      line-height: 1.6;
      border-top: 1px dashed var(--card-red-border);
      background-color: #fffcfc;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 行业资讯 & 最新文章 */
    .articles-block {
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-md);
      padding: 28px;
      margin-top: 24px;
    }
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 16px;
    }
    .article-link-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      background: var(--light-red-bg);
      border: 1px solid #fcdada;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: var(--text-dark);
    }
    .article-link-item:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
    }

    /* 联系我们板块 */
    .contact-container {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 32px;
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .contact-details h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 16px;
    }
    .contact-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .contact-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: var(--text-gray);
    }
    .contact-tag {
      display: inline-block;
      min-width: 90px;
      font-weight: 700;
      color: var(--primary-red);
    }
    .contact-qr-box {
      text-align: center;
      background: var(--light-red-bg);
      border: 1px solid var(--card-red-border);
      padding: 24px;
      border-radius: var(--radius-md);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    .contact-qr-img {
      max-width: 170px;
      margin-bottom: 12px;
      border: 3px solid #ffffff;
      border-radius: 8px;
      box-shadow: var(--shadow-sm);
    }

    /* 页脚区域 */
    .site-footer {
      background-color: #210808;
      color: #e2d1d1;
      padding: 48px 0 24px;
      border-top: 3px solid var(--primary-red);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 2fr;
      gap: 40px;
      margin-bottom: 36px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 10px;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.6;
      color: #bfa3a3;
    }
    .footer-links-col h5 {
      color: #ffffff;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .friend-links-box a {
      color: #d1b8b8;
      font-size: 13px;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .friend-links-box a:hover {
      color: #ff7676;
      border-color: #ff7676;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #a48c8c;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .ai-page-home-link {
      color: #ff9e9e;
      font-weight: 600;
    }
    .ai-page-home-link:hover {
      text-decoration: underline;
    }

    /* 悬浮工具 */
    .float-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }
    .float-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--card-red-border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-red);
      font-size: 18px;
      transition: var(--transition);
    }
    .float-btn:hover {
      background: var(--primary-red);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .services-grid, .intro-grid, .cases-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics, .token-grid, .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .agent-card {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 2px solid var(--primary-red);
        box-shadow: var(--shadow-md);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid #f6dede;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .services-grid, .intro-grid, .cases-grid, .reviews-grid, .demand-form, .contact-container, .footer-top {
        grid-template-columns: 1fr;
      }
      .banner-highlight-box {
        flex-direction: column;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
      }
      .article-links-grid {
        grid-template-columns: 1fr;
      }
    }