:root {
      --primary-color: #059669;
      --primary-hover: #047857;
      --primary-dark: #064e3b;
      --primary-light: #10b981;
      --accent-tint: #ecfdf5;
      --accent-border: #a7f3d0;
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --text-main: #0f172a;
      --text-secondary: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --card-shadow-hover: 0 20px 30px -10px rgba(5, 150, 105, 0.16), 0 10px 15px -5px rgba(0, 0, 0, 0.06);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s ease-in-out;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    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: linear-gradient(180deg, #f0fdf4 0%, #f8fafc 400px, #ffffff 100%);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--accent-border);
      transition: var(--transition);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      font-size: 0.72rem;
      background: var(--accent-tint);
      color: var(--primary-color);
      padding: 2px 8px;
      border-radius: 20px;
      border: 1px solid var(--accent-border);
      font-weight: 600;
    }

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

    .nav-links li a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(5, 150, 105, 0.45);
      color: #ffffff;
    }

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

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

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    .btn-cta-pulse {
      position: relative;
      animation: pulse-ring 2.5s infinite;
    }

    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
      70% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    .mobile-menu-btn svg {
      width: 26px;
      height: 26px;
      display: block;
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 60px 0 50px;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 50% 20%, rgba(209, 250, 229, 0.7) 0%, rgba(240, 253, 244, 0.3) 60%, transparent 100%);
    }

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

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--accent-border);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-dark);
      box-shadow: 0 2px 8px rgba(5, 150, 105, 0.08);
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      display: inline-block;
      animation: blink 1.5s infinite ease-in-out;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-title .highlight {
      color: var(--primary-color);
      background: linear-gradient(135deg, #059669 0%, #10b981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 32px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-badges-strip {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--accent-border);
      border-radius: var(--radius-md);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    }

    .model-chip {
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--primary-dark);
      background: var(--accent-tint);
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid #d1fae5;
    }

    /* 统计看板组件 */
    .metrics-section {
      padding: 20px 0 50px;
    }

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

    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--primary-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

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

    .metric-val {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 通用章节样式 */
    .section {
      padding: 60px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, #f8fafc 0%, #f0fdf4 100%);
      border-top: 1px solid #e6f4ea;
      border-bottom: 1px solid #e6f4ea;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 44px;
    }

    .section-subtitle {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--primary-color);
      letter-spacing: 1.5px;
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍与图文板块 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.4;
    }

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

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 26px;
    }

    .feature-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-secondary);
    }

    .feature-check-icon {
      width: 18px;
      height: 18px;
      background: var(--accent-tint);
      color: var(--primary-color);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 900;
      border: 1px solid var(--accent-border);
      flex-shrink: 0;
    }

    .image-frame-container {
      background: #ffffff;
      padding: 10px;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      position: relative;
    }

    .image-frame-container img {
      width: 100%;
      height: auto;
      border-radius: calc(var(--radius-md) - 6px);
      display: block;
      object-fit: cover;
    }

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

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .service-icon-box {
      width: 48px;
      height: 48px;
      background: var(--accent-tint);
      border: 1px solid var(--accent-border);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
      color: var(--primary-color);
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式制作场景工坊 */
    .workshop-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .workshop-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px 18px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
      transition: var(--transition);
    }

    .workshop-card:hover {
      border-color: var(--primary-color);
      transform: translateY(-3px);
      box-shadow: var(--card-shadow);
    }

    .workshop-badge {
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--primary-color);
      background: var(--accent-tint);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .workshop-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .workshop-desc {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 行业方案分类展示 */
    .solution-tabs-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--card-shadow);
    }

    .solution-tab-list {
      display: flex;
      gap: 10px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 24px;
      overflow-x: auto;
    }

    .solution-tab-btn {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: 20px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-secondary);
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .solution-tab-btn.active,
    .solution-tab-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    .solution-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    /* 标准流程时间线 */
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--card-shadow);
      text-align: center;
    }

    .step-number {
      width: 36px;
      height: 36px;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
    }

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

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* 案例展示双列图文 */
    .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-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .case-img-box {
      width: 100%;
      height: 190px;
      overflow: hidden;
      background: #f1f5f9;
    }

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

    .case-card:hover .case-img-box img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-cat {
      font-size: 0.75rem;
      color: var(--primary-color);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.5;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .case-result {
      background: var(--accent-tint);
      border: 1px solid var(--accent-border);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--primary-dark);
    }

    /* 对比评测表格与评分体系 */
    .eval-score-card {
      background: linear-gradient(135deg, #059669 0%, #064e3b 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: 0 10px 25px rgba(5, 150, 105, 0.25);
    }

    .eval-info h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: #ffffff;
    }

    .eval-info p {
      font-size: 0.95rem;
      color: #a7f3d0;
    }

    .eval-rating {
      display: flex;
      align-items: center;
      gap: 20px;
      text-align: right;
    }

    .rating-num {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1;
      color: #ffffff;
    }

    .rating-num span {
      font-size: 1.2rem;
      font-weight: 500;
      color: #6ee7b7;
    }

    .rating-stars {
      color: #facc15;
      font-size: 1.2rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .rating-rec {
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.2);
      padding: 3px 10px;
      border-radius: 20px;
      display: inline-block;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .comparison-table th.highlight-col,
    .comparison-table td.highlight-col {
      background: rgba(236, 253, 245, 0.7);
      color: var(--primary-dark);
      font-weight: 600;
      border-left: 2px solid var(--primary-color);
      border-right: 2px solid var(--primary-color);
    }

    /* Token 比价卡片 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .token-card.featured {
      border-color: var(--primary-color);
      box-shadow: 0 10px 30px rgba(5, 150, 105, 0.15);
    }

    .token-card.featured::before {
      content: "超值推荐";
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary-color);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 12px;
    }

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

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    .token-features {
      list-style: none;
      font-size: 0.88rem;
      color: var(--text-secondary);
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .token-features li {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 客户评价板块 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .testimonial-quote {
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--accent-tint);
      color: var(--primary-color);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      border: 1px solid var(--accent-border);
    }

    .user-info .user-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info .user-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 880px;
      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: 0 2px 6px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

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

    .faq-question {
      padding: 18px 20px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary-color);
      transition: transform 0.28s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fbfdfc;
    }

    .faq-answer-inner {
      padding: 0 20px 18px;
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.65;
      border-top: 1px dashed var(--accent-border);
      padding-top: 12px;
    }

    /* 需求匹配与表单板块 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--card-shadow);
    }

    .contact-info-panel h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .contact-qr-box {
      background: var(--accent-tint);
      border: 1px solid var(--accent-border);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      margin-bottom: 24px;
    }

    .contact-qr-box img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      margin: 0 auto 10px;
      display: block;
      background: #ffffff;
      padding: 6px;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-secondary);
    }

    .contact-meta-list strong {
      color: var(--text-main);
    }

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

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

    .form-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background: #f8fafc;
      font-family: inherit;
    }

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

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 行业资讯与文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      text-decoration: none;
    }

    .news-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent-border);
      box-shadow: var(--card-shadow-hover);
    }

    .news-date {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-card:hover .news-title {
      color: var(--primary-color);
    }

    .news-summary {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .news-link-btn {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-color);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 友情链接与底部 */
    .footer-section {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 24px;
      margin-top: auto;
      border-top: 4px solid var(--primary-color);
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.65;
      color: #94a3b8;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h5::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-color);
    }

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

    .footer-links a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: #10b981;
      padding-left: 4px;
    }

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding: 20px 0;
      margin-bottom: 20px;
    }

    .friend-links-title {
      font-size: 0.85rem;
      color: #cbd5e1;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-list a {
      color: #64748b;
      text-decoration: none;
      font-size: 0.82rem;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: #10b981;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.82rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 10px;
    }

    /* 浮动客服挂件 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--accent-border);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: translateY(-3px);
    }

    .back-to-top {
      opacity: 0;
      visibility: hidden;
    }

    .back-to-top.show {
      opacity: 1;
      visibility: visible;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .workshop-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .cases-grid,
      .testimonials-grid,
      .token-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--border-color);
        display: none;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .intro-grid,
      .solution-panel,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .workshop-grid,
      .cases-grid,
      .testimonials-grid,
      .token-grid,
      .news-grid,
      .workflow-steps {
        grid-template-columns: 1fr;
      }
      .eval-score-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .eval-rating {
        text-align: center;
        flex-direction: column;
        gap: 8px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }