:root {
      --primary-purple: #7928ca;
      --primary-violet: #8e44ad;
      --accent-bright: #9d4edd;
      --accent-glow: #c77dff;
      --bg-light: #fbf9fe;
      --bg-surface: #ffffff;
      --bg-alt: #f4effc;
      --text-main: #1d192b;
      --text-muted: #565069;
      --text-light: #7c748c;
      --border-color: #e8dcf5;
      --border-focus: #b784f5;
      --gradient-purple: linear-gradient(135deg, #7928ca 0%, #a855f7 50%, #d946ef 100%);
      --gradient-light: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
      --shadow-sm: 0 2px 8px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 10px 25px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 18px 36px rgba(121, 40, 202, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --site-width: 1200px;
    }

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

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

    body {
      background: radial-gradient(circle at 85% 10%, rgba(217, 70, 239, 0.07) 0%, transparent 40%),
                  radial-gradient(circle at 15% 30%, rgba(121, 40, 202, 0.06) 0%, transparent 45%),
                  var(--bg-light);
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: var(--site-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: box-shadow 0.3s ease;
    }

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

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

    .brand-box img.ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-purple);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      text-decoration: none;
      transition: color 0.2s ease;
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-purple);
      background-color: rgba(142, 68, 173, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      outline: none;
    }

    .btn-primary {
      background: var(--gradient-purple);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(121, 40, 202, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.45);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      background: rgba(121, 40, 202, 0.05);
      transform: translateY(-2px);
    }

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

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: all 0.3s ease;
    }

    /* 首屏 Hero：严禁包含任何图片 */
    .hero-section {
      padding: 90px 0 70px;
      position: relative;
      background: linear-gradient(180deg, rgba(247, 240, 255, 0.7) 0%, rgba(251, 249, 254, 0.95) 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-wrapper {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #f1e4fd;
      color: var(--primary-purple);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 24px;
      border: 1px solid #dfc7fb;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary-purple);
      box-shadow: 0 0 8px var(--primary-purple);
    }

    .hero-title {
      font-size: 2.8rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: var(--gradient-purple);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

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

    .btn-hero-main {
      padding: 14px 34px;
      font-size: 1.05rem;
      border-radius: 30px;
      background: var(--gradient-purple);
      color: #fff;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(121, 40, 202, 0.35);
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(121, 40, 202, 0.45);
      color: #fff;
    }

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

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

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

    .stat-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-purple);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用Section */
    .section-py {
      padding: 80px 0;
      border-bottom: 1px solid rgba(232, 220, 245, 0.6);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-purple);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

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

    .intro-content h3 {
      font-size: 1.55rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .intro-content p {
      color: var(--text-muted);
      font-size: 0.98rem;
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .feature-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      background: #f1e4fd;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-purple);
      font-size: 12px;
      font-weight: bold;
    }

    .intro-visual-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #fff;
    }

    .intro-visual-box img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .service-tag {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      background: #f4effc;
      color: var(--primary-purple);
      margin-bottom: 16px;
    }

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

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* 一站式制作全景 */
    .work-flow-tabs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .workflow-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .workflow-num {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 1.8rem;
      font-weight: 900;
      color: rgba(121, 40, 202, 0.12);
    }

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

    .workflow-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .industry-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      gap: 20px;
    }

    .industry-icon-box {
      width: 52px;
      height: 52px;
      background: var(--gradient-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-purple);
      font-size: 1.5rem;
      flex-shrink: 0;
      border: 1px solid var(--border-color);
    }

    .industry-content h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .industry-content p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 12px;
    }

    .industry-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .industry-tags span {
      font-size: 0.78rem;
      background: var(--bg-alt);
      color: var(--primary-purple);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 支持模型标签云 */
    .model-tags-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .model-tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-badge {
      background: var(--bg-alt);
      color: var(--text-main);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background: var(--primary-purple);
      color: #ffffff;
      transform: scale(1.05);
    }

    /* 案例中心 */
    .case-gallery {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .case-media-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }

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

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

    .case-info p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

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

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-sm);
    }

    .metric-card .num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary-purple);
    }

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

    /* 对比评测：推荐五星 评分9.9 满分10 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #ffffff 0%, #faf5ff 100%);
      border: 2px solid var(--primary-purple);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-md);
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: var(--gradient-purple);
      color: #fff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: 0 4px 16px rgba(121, 40, 202, 0.4);
    }

    .score-circle .big {
      font-size: 1.8rem;
      line-height: 1;
    }

    .score-circle .small {
      font-size: 0.75rem;
      opacity: 0.85;
    }

    .eval-score-text h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .eval-meta {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      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 var(--border-color);
      font-size: 0.95rem;
    }

    .eval-table th {
      background: var(--bg-alt);
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr.highlight-row {
      background: rgba(142, 68, 173, 0.04);
      font-weight: 600;
    }

    .eval-table tr.highlight-row td:nth-child(2) {
      color: var(--primary-purple);
    }

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

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

    .review-text {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--gradient-purple);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .reviewer-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .reviewer-role {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #ffffff;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.3rem;
      font-weight: 400;
      color: var(--primary-purple);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: var(--bg-alt);
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.7;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 16px 24px;
    }

    /* 资讯文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

    .article-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
      line-height: 1.4;
    }

    .article-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .article-link {
      color: var(--primary-purple);
      font-weight: 600;
      text-decoration: none;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-link:hover {
      text-decoration: underline;
    }

    /* 需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-col h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .contact-info-col p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-details {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 28px;
    }

    .contact-details li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
    }

    .contact-qrcode-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-alt);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-qrcode-wrap img {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      object-fit: cover;
      background: #fff;
    }

    .contact-qrcode-desc h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .contact-qrcode-desc p {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 0;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: var(--bg-light);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary-purple);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.15);
    }

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

    /* 加盟代理与算力被动收益卡片 */
    .agent-card-banner {
      background: linear-gradient(135deg, #7928ca 0%, #a855f7 100%);
      border-radius: var(--radius-lg);
      padding: 44px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: var(--shadow-lg);
    }

    .agent-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agent-content p {
      font-size: 1rem;
      line-height: 1.6;
      opacity: 0.92;
      max-width: 680px;
      color: #ffffff;
    }

    .btn-agent {
      background: #ffffff;
      color: var(--primary-purple);
      font-weight: 700;
      padding: 14px 30px;
      border-radius: 30px;
      white-space: nowrap;
      text-decoration: none;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
      transition: transform 0.2s ease;
    }

    .btn-agent:hover {
      transform: scale(1.04);
      background: #fdfdfd;
      color: var(--primary-purple);
    }

    /* 友情链接与通用页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding-top: 50px;
      padding-bottom: 30px;
      margin-top: auto;
    }

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

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-purple);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      max-width: 420px;
    }

    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      color: var(--text-muted);
      font-size: 0.88rem;
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

    .footer-links-section {
      border-top: 1px solid var(--border-color);
      padding: 24px 0;
    }

    .footer-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .footer-friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-friendly-links a {
      font-size: 0.85rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

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

    .footer-bottom a {
      color: var(--text-light);
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: var(--primary-purple);
    }

    /* 悬浮工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 990;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--primary-purple);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      text-decoration: none;
      font-size: 1.1rem;
      font-weight: bold;
      transition: all 0.25s ease;
    }

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

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

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

    .float-qr-popover img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 6px;
    }

    .float-qr-popover span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .services-grid,
      .work-flow-tabs,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .intro-grid,
      .case-gallery,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr 1fr;
      }

      .eval-highlight-box,
      .agent-card-banner {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.show {
        display: flex;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links li a {
        padding: 12px 16px;
      }

      .hero-title {
        font-size: 2.1rem;
      }

      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }

      .services-grid,
      .work-flow-tabs,
      .industry-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }