:root {
      --primary: #10b981;
      --primary-dark: #059669;
      --primary-light: #ecfdf5;
      --primary-border: #a7f3d0;
      --accent: #14b8a6;
      --accent-soft: #f0fdfa;
      --bg-page: #f6faf7;
      --bg-surface: #ffffff;
      --bg-subtle: #f0f7f3;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --border-color: #e2ede5;
      --shadow-sm: 0 2px 8px rgba(16, 185, 129, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(16, 185, 129, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(16, 185, 129, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1200px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

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

    .section-alt {
      background-color: var(--bg-subtle);
    }

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

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary-dark);
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      border: 1px solid var(--primary-border);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 15px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

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

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

    .brand-logo-wrap img {
      max-height: 42px;
      width: auto;
    }

    .brand-text-block {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #065f46;
      line-height: 1.2;
    }

    .brand-sub {
      font-size: 0.75rem;
      color: var(--text-light);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 10px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      line-height: 1.2;
    }

    .btn-primary {
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
      transform: translateY(-2px);
      color: #ffffff;
    }

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

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

    .btn-secondary {
      background-color: #f1f8f4;
      color: #065f46;
      border-color: var(--primary-border);
    }

    .btn-secondary:hover {
      background-color: #e2f4ea;
    }

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

    /* 首屏 Hero - 严格无图，纯CSS/几何/科技感 */
    .hero-section {
      padding: 90px 0 80px;
      background: radial-gradient(circle at 85% 15%, rgba(16, 185, 129, 0.12) 0%, rgba(246, 250, 247, 0) 65%),
                  radial-gradient(circle at 10% 80%, rgba(20, 184, 166, 0.1) 0%, rgba(246, 250, 247, 0) 50%);
      position: relative;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background-color: #ffffff;
      border: 1px solid var(--primary-border);
      color: var(--primary-dark);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: #064e3b;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .btn-hero-main {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 12px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-md);
    }

    .stat-item {
      text-align: center;
      border-right: 1px solid var(--border-color);
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: #059669;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: 500;
    }

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

    .intro-card {
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .intro-card h3 {
      font-size: 1.5rem;
      color: #065f46;
      margin-bottom: 16px;
      font-weight: 700;
    }

    .intro-card p {
      color: var(--text-muted);
      margin-bottom: 18px;
      font-size: 1rem;
      line-height: 1.7;
    }

    .intro-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .intro-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
    }

    .intro-feature-item svg {
      width: 18px;
      height: 18px;
      color: var(--primary);
      flex-shrink: 0;
    }

    .banner-graphic-card {
      background: linear-gradient(145deg, #e6f7ef 0%, #d1f2e4 100%);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-lg);
      padding: 30px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .banner-graphic-card img {
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
      width: 100%;
    }

    .banner-badge-box {
      margin-top: 18px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.9);
      border-radius: var(--radius-md);
      font-size: 0.92rem;
      color: #064e3b;
      font-weight: 600;
      text-align: center;
    }

    /* 服务能力卡片网格 */
    .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: 28px 24px;
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }

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

    .service-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background-color: var(--primary-light);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 12px;
    }

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

    .service-meta-tag {
      display: inline-block;
      font-size: 0.8rem;
      color: #059669;
      background-color: #f0fdf4;
      padding: 3px 10px;
      border-radius: 6px;
      margin-top: 16px;
      width: fit-content;
      font-weight: 600;
    }

    /* 支持模型标签云 */
    .model-tags-wrapper {
      margin-top: 40px;
      background: #ffffff;
      padding: 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .model-tags-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #065f46;
      margin-bottom: 20px;
    }

    .model-tags-box {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-tag {
      background-color: var(--bg-page);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 0.88rem;
      font-weight: 500;
      transition: var(--transition);
    }

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

    /* 一站式制作专区 */
    .workshop-feature-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .workshop-content h3 {
      font-size: 1.6rem;
      color: #064e3b;
      margin-bottom: 16px;
      font-weight: 700;
    }

    .workshop-content p {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .feature-check-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .feature-check-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
    }

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

    .feature-media-box img {
      border-radius: var(--radius-md);
      width: 100%;
    }

    /* 行业解决方案卡片 */
    .solution-tabs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: var(--transition);
    }

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

    .solution-badge {
      font-size: 0.8rem;
      color: #047857;
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .solution-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .solution-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 标准制作流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
      position: relative;
    }

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

    .process-step-item:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px;
    }

    .process-step-item h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .process-step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

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

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

    .case-img-wrap {
      background: #e6f4ec;
      overflow: hidden;
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: var(--transition);
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 22px;
    }

    .case-tag {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin-bottom: 6px;
      display: inline-block;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .case-metrics {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      font-size: 0.85rem;
      color: #059669;
      font-weight: 600;
    }

    /* 权威对比评测板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #ffffff 0%, #eefbf4 100%);
      border: 2px solid var(--primary-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

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

    .score-badge-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, #10b981 0%, #047857 100%);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
    }

    .score-val {
      font-size: 1.9rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .score-text-info h3 {
      font-size: 1.45rem;
      color: #064e3b;
      margin-bottom: 6px;
      font-weight: 800;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.1rem;
      letter-spacing: 2px;
    }

    .score-meta-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background-color: #f8fcf9;
      color: #065f46;
      font-weight: 700;
    }

    .comparison-table td.highlight-col {
      background-color: #f0fdf4;
      font-weight: 600;
      color: #065f46;
    }

    .check-yes {
      color: #10b981;
      font-weight: 700;
    }

    .check-no {
      color: #9ca3af;
    }

    /* Token 比价与成本参考 */
    .token-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;
      transition: var(--transition);
      position: relative;
    }

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

    .pricing-badge-popular {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: #10b981;
      color: #ffffff;
      font-size: 0.75rem;
      padding: 3px 12px;
      border-radius: 999px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .pricing-name {
      font-size: 1.3rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 10px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: #059669;
      margin-bottom: 6px;
    }

    .pricing-unit {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .pricing-features-list {
      list-style: none;
      text-align: left;
      margin-bottom: 28px;
    }

    .pricing-features-list li {
      padding: 8px 0;
      font-size: 0.9rem;
      color: var(--text-muted);
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-body {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .testimonial-user-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .user-avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      border: 1px solid var(--primary-border);
    }

    .user-info-text h4 {
      font-size: 0.95rem;
      color: #064e3b;
      font-weight: 700;
    }

    .user-info-text p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .partner-left h3 {
      font-size: 1.85rem;
      margin-bottom: 16px;
      font-weight: 800;
      color: #ecfdf5;
    }

    .partner-left p {
      font-size: 1rem;
      line-height: 1.7;
      color: #d1fae5;
      margin-bottom: 24px;
    }

    .partner-benefits-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 20px;
    }

    .partner-benefit-pill {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 10px 14px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #ffffff;
    }

    .partner-right-box {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      color: var(--text-main);
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .partner-right-box h4 {
      font-size: 1.25rem;
      color: #065f46;
      margin-bottom: 8px;
      font-weight: 700;
    }

    .partner-right-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    /* 常见问题 FAQ 手风琴 */
    .faq-accordion-list {
      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;
      transition: var(--transition);
    }

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

    .faq-header {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      background: #ffffff;
    }

    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: #064e3b;
    }

    .faq-icon-arrow {
      width: 20px;
      height: 20px;
      color: var(--primary-dark);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    .faq-body {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-body {
      padding: 0 24px 20px 24px;
      max-height: 300px;
    }

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

    .info-column-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      box-shadow: var(--shadow-sm);
    }

    .info-column-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: #065f46;
      margin-bottom: 18px;
      border-bottom: 2px solid var(--primary-light);
      padding-bottom: 10px;
    }

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

    .news-links-list li a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: 6px;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
    }

    .news-links-list li a:hover {
      background: var(--primary-light);
      color: var(--primary-dark);
      border-color: var(--primary-border);
      padding-left: 16px;
    }

    .news-links-list li span.link-tag {
      font-size: 0.78rem;
      background: #e2f2e9;
      color: #047857;
      padding: 2px 6px;
      border-radius: 4px;
    }

    /* 需求匹配与联系我们（表单板块） */
    .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);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel {
      background: linear-gradient(145deg, #064e3b 0%, #065f46 100%);
      color: #ffffff;
      padding: 40px 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: #ecfdf5;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      line-height: 1.7;
      color: #a7f3d0;
      margin-bottom: 24px;
    }

    .contact-details-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-detail-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: #ffffff;
    }

    .qr-container-box {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
    }

    .qr-container-box img {
      width: 120px;
      height: 120px;
      margin: 0 auto 10px;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
    }

    .qr-container-box span {
      font-size: 0.85rem;
      color: #ecfdf5;
      display: block;
    }

    .contact-form-panel {
      padding: 40px 36px;
      background: #ffffff;
    }

    .form-title {
      font-size: 1.4rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .form-desc {
      font-size: 0.9rem;
      color: var(--text-light);
      margin-bottom: 24px;
    }

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

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

    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #fafdfb;
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

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

    /* 友情链接与站点 Footer */
    .site-footer {
      background-color: #064e3b;
      color: #d1fae5;
      padding: 60px 0 25px;
      border-top: 1px solid #047857;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      color: #ffffff;
      margin-bottom: 18px;
      font-weight: 700;
    }

    .footer-links-menu {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }

    .footer-links-menu li a {
      color: #a7f3d0;
      font-size: 0.88rem;
    }

    .footer-links-menu li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .friend-links-box {
      border-top: 1px solid #065f46;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.9rem;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.85rem;
    }

    .friend-links-list a {
      color: #a7f3d0;
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .friend-links-list a:hover {
      background: rgba(255, 255, 255, 0.18);
      color: #ffffff;
    }

    .footer-bottom-bar {
      border-top: 1px solid #065f46;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.85rem;
      color: #6ee7b7;
    }

    /* 浮动客服入口 */
    .floating-contact-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #10b981;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-lg);
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }

    .floating-btn:hover {
      background: #059669;
      transform: scale(1.08);
    }

    .floating-btn svg {
      width: 22px;
      height: 22px;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solution-tabs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        padding: 12px 0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 20px;
        border-radius: 0;
      }
      .header-action .btn {
        padding: 8px 14px;
        font-size: 0.85rem;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 10px;
      }
      .intro-grid,
      .workshop-feature-row,
      .partner-banner,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .case-gallery-grid,
      .token-pricing-grid,
      .testimonials-grid,
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .score-left {
        flex-direction: column;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }