:root {
      --primary: #7928ca;
      --primary-light: #9d4edd;
      --primary-dark: #5a189a;
      --secondary: #d946ef;
      --accent: #ff007f;
      --bg-page: #fdfbff;
      --bg-alt: #f6f0fd;
      --text-main: #1f1b2e;
      --text-muted: #5e5873;
      --card-bg: #ffffff;
      --border-color: #ebdcf9;
      --border-focus: #b580e2;
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.1);
      --shadow-lg: 0 18px 45px rgba(121, 40, 202, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-width: 320px;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: 1220px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-wrap.alt {
      background: linear-gradient(180deg, #f6f0fd 0%, #fdfbff 100%);
    }

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

    .section-tag {
      display: inline-block;
      padding: 5px 14px;
      background: rgba(121, 40, 202, 0.08);
      color: var(--primary);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      gap: 8px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(121, 40, 202, 0.28);
    }

    .btn-primary:hover {
      box-shadow: 0 12px 30px rgba(121, 40, 202, 0.4);
      transform: translateY(-2px);
      color: #ffffff;
    }

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
    }

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

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .nav-brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(121, 40, 202, 0.05);
    }

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

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }

    .nav-toggle svg {
      width: 26px;
      height: 26px;
      fill: currentColor;
    }

    /* 首屏 Hero */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 15% 70%, rgba(121, 40, 202, 0.1) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #f7f1fd 100%);
      padding: 85px 0 75px 0;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-title-highlight {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto 34px auto;
      line-height: 1.7;
    }

    .hero-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }

    .hero-cta .btn-portal {
      font-size: 17px;
      padding: 15px 36px;
      background: linear-gradient(135deg, #7928ca 0%, #ff007f 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 28px rgba(121, 40, 202, 0.35);
      border: none;
    }

    .hero-cta .btn-portal:hover {
      box-shadow: 0 14px 34px rgba(121, 40, 202, 0.45);
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

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

    .stat-val {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .stat-lbl {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 模型矩阵胶囊条 */
    .model-capsules {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
      margin-top: 35px;
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.7);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .model-tag:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(121, 40, 202, 0.04);
    }

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

    .about-text h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .about-p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .about-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 28px;
    }

    .about-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .about-dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      margin-top: 6px;
      flex-shrink: 0;
    }

    .about-item-text strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
    }

    .about-item-text span {
      font-size: 12px;
      color: var(--text-muted);
    }

    .about-media-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 14px;
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .about-media-box img {
      border-radius: var(--radius-md);
      width: 100%;
      object-fit: cover;
    }

    /* AIGC核心矩阵卡片 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

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

    .feature-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.12) 0%, rgba(217, 70, 239, 0.12) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .feature-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .feature-foot {
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 一站式自动化制作流程 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

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

    .step-num {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 16px;
    }

    .step-name {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 行业解决方案图文 */
    .sol-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .sol-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .sol-header {
      margin-bottom: 16px;
    }

    .sol-header h4 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .sol-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .sol-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .sol-tag {
      background: var(--bg-alt);
      color: var(--primary-dark);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 500;
    }

    .sol-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    /* 案例中心展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .case-img-box {
      aspect-ratio: 16 / 9;
      background: #eee;
      overflow: hidden;
    }

    .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-content {
      padding: 20px;
    }

    .case-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-meta {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测表格与评级卡 */
    .eval-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 24px;
    }

    .score-badge-area {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-num {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-stars {
      color: #ffb703;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .score-info h4 {
      font-size: 18px;
      font-weight: 700;
    }

    .score-info p {
      font-size: 13px;
      color: var(--text-muted);
    }

    .eval-table-wrap {
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 18px;
      border-bottom: 1px solid var(--border-color);
    }

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

    .eval-table td.highlight {
      font-weight: 700;
      color: var(--primary);
      background: rgba(121, 40, 202, 0.03);
    }

    /* 需求匹配与智能表单 */
    .match-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .match-info h3 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .match-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .match-checklist {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .match-check-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 500;
    }

    .match-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-family: inherit;
      background: #faf8fd;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.12);
    }

    /* Token 比价板块 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .price-card.recommend {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .price-card.recommend::after {
      content: "超值甄选";
      position: absolute;
      top: -12px;
      right: 20px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 20px;
    }

    .price-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .price-figure {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin: 14px 0;
    }

    .price-figure span {
      font-size: 14px;
      font-weight: normal;
      color: var(--text-muted);
    }

    .price-items {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    /* 客户评价板块 */
    .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;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: italic;
    }

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

    .author-avatar {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .author-info h5 {
      font-size: 15px;
      font-weight: 700;
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      transition: transform 0.3s ease;
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fcfaff;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      padding: 0 22px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px;
      border-top: 1px solid var(--border-color);
    }

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

    /* AI 百科 & 行业资讯 */
    .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;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .article-tag {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .article-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .article-links {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
    }

    .article-link-item {
      font-size: 13px;
      color: var(--primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* 加盟代理与被动收益专区 */
    .agent-banner {
      background: linear-gradient(135deg, #2b1055 0%, #7928ca 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: var(--shadow-lg);
    }

    .agent-content h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agent-content p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 680px;
      line-height: 1.7;
    }

    .agent-perks {
      display: flex;
      gap: 20px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 13px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* 联系我们与服务网络 */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

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

    .contact-card h5 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .contact-card p {
      font-size: 14px;
      color: var(--primary);
      font-weight: 600;
    }

    .contact-qr-box {
      max-width: 140px;
      margin: 12px auto 0 auto;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    /* 友情链接 */
    .friendly-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      align-items: center;
    }

    .friendly-links strong {
      font-size: 14px;
      color: var(--text-main);
    }

    .friendly-links a {
      font-size: 13px;
      color: var(--text-muted);
      background: var(--bg-alt);
      padding: 4px 12px;
      border-radius: 4px;
    }

    .friendly-links a:hover {
      color: var(--primary);
      background: rgba(121, 40, 202, 0.1);
    }

    /* 页脚设计 */
    .site-footer {
      background: #171126;
      color: #a49fb5;
      padding: 60px 0 30px 0;
      border-top: 1px solid #2b2244;
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      font-size: 13px;
      color: #a49fb5;
    }

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

    .footer-bottom {
      border-top: 1px solid #2b2244;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮组件 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 36px; }
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
      .sol-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .contact-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-container { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title { font-size: 28px; }
      .hero-sub { font-size: 15px; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid { grid-template-columns: 1fr; }
      .feature-grid { grid-template-columns: 1fr; }
      .pricing-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .match-wrap { grid-template-columns: 1fr; padding: 24px; }
      .agent-banner { flex-direction: column; text-align: center; }
      .footer-container { grid-template-columns: 1fr; }
      .section-wrap { padding: 50px 0; }
    }