:root {
      --primary: #e11d48;
      --primary-hover: #be123c;
      --primary-light: #ffe4e6;
      --primary-soft: #fff1f2;
      --accent: #db2777;
      --accent-glow: rgba(225, 29, 72, 0.18);
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-body: #fff9fa;
      --bg-surface: #ffffff;
      --bg-alt: #fff0f3;
      --border-color: #fecdd3;
      --border-subtle: #ffe4e6;
      --shadow-sm: 0 2px 8px rgba(225, 29, 72, 0.06);
      --shadow-md: 0 8px 24px rgba(225, 29, 72, 0.08);
      --shadow-lg: 0 16px 36px rgba(225, 29, 72, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
      --container-max: 1240px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-body);
      color: var(--text-main);
      font-family: var(--font-stack);
      -webkit-font-smoothing: antialiased;
    }

    body {
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 头部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

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

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

    .brand-tag {
      font-size: 11px;
      padding: 2px 8px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-full);
      font-weight: 600;
    }

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

    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
      transition: all 0.25s ease;
    }

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

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px var(--accent-glow);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.25);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2.5px;
      background-color: var(--primary);
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    /* 首屏 Hero - 无任何图片 */
    .hero-section {
      background: linear-gradient(180deg, #fff2f5 0%, #fff9fa 100%);
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 18px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2);
    }

    .hero-title {
      font-size: 40px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.28;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      max-width: 900px;
    }

    .hero-title span {
      color: var(--primary);
      background: linear-gradient(135deg, #e11d48, #db2777);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 820px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 15px 36px;
      font-size: 16px;
      font-weight: 800;
      color: #ffffff !important;
      background: linear-gradient(135deg, #e11d48 0%, #db2777 100%);
      border-radius: var(--radius-full);
      box-shadow: 0 8px 24px rgba(225, 29, 72, 0.3);
      transition: all 0.25s ease;
      border: 2px solid transparent;
    }

    .btn-hero-main:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 30px rgba(225, 29, 72, 0.4);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 15px 32px;
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .btn-hero-secondary:hover {
      background: var(--primary-soft);
      transform: translateY(-3px);
    }

    /* 首屏数据指标卡片 */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      max-width: 1060px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

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

    .metric-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 模块通用样式 */
    .section-block {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-subtle);
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px;
    }

    .section-pretitle {
      font-size: 13px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary);
      display: inline-block;
      margin-bottom: 10px;
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: var(--radius-full);
    }

    .section-h2 {
      font-size: 32px;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

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

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

    .about-content h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
    }

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

    .about-features-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 28px;
    }

    .about-features-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      background: var(--primary-soft);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .about-icon {
      color: var(--primary);
      font-weight: 900;
    }

    .media-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-md);
    }

    .media-card-box img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    /* 模块：AIGC模型矩阵生态 */
    .model-tags-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .model-tags-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      text-align: center;
    }

    .model-tags-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .model-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-body);
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      transition: all 0.25s ease;
    }

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

    /* 模块：AIGC服务与一站式全能工坊 */
    .grid-cards-3 {
      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: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-card-top {
      margin-bottom: 16px;
    }

    .service-card-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }

    .service-card h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .service-card-foot {
      margin-top: 20px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-subtle);
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 模块：行业解决方案 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .solution-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: transform 0.25s ease;
    }

    .solution-box:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
    }

    .solution-box h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .solution-box p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .solution-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .solution-points li {
      font-size: 13px;
      color: var(--text-main);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .solution-points li::before {
      content: "✔";
      display: inline-block;
      color: var(--primary);
      font-weight: 900;
    }

    /* 模块：标准流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-badge {
      width: 44px;
      height: 44px;
      line-height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      font-weight: 900;
      font-size: 18px;
      margin: 0 auto 16px;
      box-shadow: 0 4px 12px var(--accent-glow);
    }

    .timeline-step h4 {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 模块：案例中心 */
    .cases-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-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .case-img-wrap {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #fdf2f4;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-info {
      padding: 24px;
    }

    .case-info h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
    }

    /* 模块：对比评测板块 */
    .review-summary-banner {
      background: linear-gradient(135deg, #fff0f3 0%, #ffffff 100%);
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      flex-wrap: wrap;
      gap: 24px;
    }

    .review-score-area {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px var(--accent-glow);
    }

    .score-val {
      font-size: 32px;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 12px;
      opacity: 0.9;
    }

    .score-texts h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .stars-render {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .review-quote-text {
      font-size: 14px;
      color: var(--text-muted);
      max-width: 480px;
      line-height: 1.7;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-subtle);
      font-size: 14px;
    }

    .compare-table th {
      background-color: var(--primary-soft);
      color: var(--text-main);
      font-weight: 800;
    }

    .compare-table tr:hover td {
      background-color: #fffbfc;
    }

    .highlight-cell {
      color: var(--primary);
      font-weight: 800;
      background-color: #fff5f7;
    }

    /* 模块：需求匹配与表单 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }

    .form-info-panel {
      background: linear-gradient(135deg, #fff0f3, #ffffff);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .form-info-panel h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .form-info-panel p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-spec-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-spec-list li {
      font-size: 14px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .form-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 13px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background-color: var(--bg-body);
      transition: all 0.25s ease;
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }

    .btn-submit-form {
      width: 100%;
      padding: 15px;
      font-size: 16px;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      box-shadow: 0 6px 20px var(--accent-glow);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
    }

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

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: all 0.25s ease;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .pricing-card.featured::before {
      content: "爆款推荐";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 12px;
      font-weight: 800;
      padding: 2px 14px;
      border-radius: var(--radius-full);
    }

    .pricing-card h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .price-value {
      font-size: 34px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .price-value span {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
    }

    .pricing-features {
      list-style: none;
      margin: 24px 0;
      text-align: left;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .pricing-features li {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 900;
    }

    /* 模块：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;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 15px;
      margin-bottom: 12px;
    }

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

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

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .reviewer-name {
      font-size: 14px;
      font-weight: 800;
      color: var(--text-main);
    }

    .reviewer-role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 模块：FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.25s ease;
    }

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      gap: 12px;
      font-family: inherit;
    }

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

    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.3s ease;
      font-weight: 900;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background-color: var(--primary-soft);
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 16px 24px 22px;
      border-top: 1px solid var(--border-subtle);
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 模块：AI百科与行业资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .news-card-pane {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .news-card-pane h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .news-card-pane h3::before {
      content: "";
      width: 4px;
      height: 20px;
      background: var(--primary);
      border-radius: 2px;
    }

    .articles-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .articles-links-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      background: var(--bg-body);
      border: 1px solid var(--border-subtle);
    }

    .articles-links-list li a:hover {
      background: var(--primary-soft);
      color: var(--primary);
      border-color: var(--border-color);
      transform: translateX(4px);
    }

    /* 模块：加盟代理 */
    .agency-banner {
      background: linear-gradient(135deg, #be123c, #e11d48);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      text-align: center;
      box-shadow: 0 16px 36px rgba(190, 18, 60, 0.25);
    }

    .agency-banner h3 {
      font-size: 30px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .agency-banner p {
      font-size: 16px;
      max-width: 760px;
      margin: 0 auto 30px;
      opacity: 0.92;
      line-height: 1.7;
    }

    .agency-banner .btn-agency-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 36px;
      font-size: 16px;
      font-weight: 800;
      color: var(--primary);
      background: #ffffff;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-md);
      transition: all 0.25s ease;
    }

    .agency-banner .btn-agency-cta:hover {
      transform: translateY(-2px);
      background: var(--primary-soft);
    }

    /* 友情链接与底部区域 */
    .footer-section {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
      margin-top: auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      position: relative;
    }

    .footer-col p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list li a {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-links-list li a:hover {
      color: var(--primary);
      padding-left: 3px;
    }

    .qr-contact-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .qr-contact-box img {
      width: 90px;
      height: 90px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 4px;
      background: #ffffff;
    }

    .qr-text-info {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .friend-links-bar {
      border-top: 1px solid var(--border-subtle);
      padding: 20px 0;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 13px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    .friend-links-items a {
      font-size: 12px;
      color: var(--text-muted);
      background: var(--bg-body);
      border: 1px solid var(--border-subtle);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friend-links-items a:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-subtle);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: var(--text-light);
    }

    /* 浮动客服入口与返回顶部 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-weight: 900;
      font-size: 16px;
      transition: all 0.25s ease;
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 32px;
      }
      .grid-cards-3,
      .cases-grid,
      .pricing-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        width: 100%;
        padding: 12px 16px;
      }
      .nav-toggle {
        display: flex;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .solution-grid,
      .grid-cards-3,
      .cases-grid,
      .pricing-grid,
      .reviews-grid,
      .form-section-layout,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-summary-banner {
        flex-direction: column;
        text-align: center;
      }
      .review-score-area {
        flex-direction: column;
      }
    }