:root {
      --primary-color: #059669;
      --primary-hover: #047857;
      --primary-light: #ecfdf5;
      --primary-border: #a7f3d0;
      --accent-bright: #10b981;
      --accent-neon: #34d399;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f0fdf4;
      --border-light: #e2e8f0;
      --border-accent: #bbf7d0;
      --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -2px rgba(0,0,0,0.06);
      --shadow-lg: 0 10px 15px -3px rgba(5,150,105,0.08), 0 4px 6px -4px rgba(5,150,105,0.06);
      --shadow-glow: 0 0 20px rgba(16,185,129,0.2);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --container-width: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .page-container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border-accent);
      border-bottom: 1px solid var(--border-accent);
    }
    .section-white {
      background-color: #ffffff;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary-color);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-accent);
      box-shadow: var(--shadow-sm);
    }
    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-color);
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      padding: 8px 12px;
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      border-radius: var(--radius-sm);
      display: block;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-color);
      background-color: var(--primary-light);
    }
    .nav-actions {
      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: var(--radius-md);
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      text-align: center;
    }
    .btn-primary {
      background: var(--primary-color);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(5,150,105,0.25);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 16px rgba(5,150,105,0.35);
      transform: translateY(-1px);
      color: #ffffff;
    }
    .btn-accent {
      background: #10b981;
      color: #ffffff;
    }
    .btn-accent:hover {
      background: #059669;
      transform: translateY(-1px);
      color: #ffffff;
    }
    .btn-outline {
      background: #ffffff;
      color: var(--primary-color);
      border-color: var(--primary-color);
    }
    .btn-outline:hover {
      background: var(--primary-light);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* Hero 首屏 - 无图片纯CSS科技感 */
    .hero-section {
      padding: 70px 0 90px 0;
      background: radial-gradient(circle at 50% 10%, rgba(16,185,129,0.12) 0%, rgba(248,250,252,0.6) 70%), var(--bg-main);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-accent);
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      color: var(--primary-color);
      font-weight: 600;
      margin-bottom: 24px;
      animation: pulseLight 3s infinite;
    }
    .hero-badge span {
      width: 8px;
      height: 8px;
      background-color: var(--accent-bright);
      border-radius: 50%;
      display: inline-block;
    }
    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title .text-highlight {
      color: var(--primary-color);
      background: linear-gradient(135deg, #059669 0%, #10b981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }
    .hero-btn-main {
      font-size: 1.05rem;
      padding: 14px 34px;
      font-weight: 700;
    }
    
    /* 核心数据指标卡 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }
    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-accent);
      padding: 24px 16px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent-bright);
    }
    .stat-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* 平台矩阵标签云 */
    .models-bar-wrap {
      margin-top: 40px;
      background: #ffffff;
      border: 1px dashed var(--primary-border);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      text-align: center;
    }
    .models-bar-title {
      font-size: 0.88rem;
      color: var(--text-sub);
      margin-bottom: 12px;
      font-weight: 600;
    }
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
    }
    .model-pill {
      font-size: 0.8rem;
      padding: 4px 10px;
      background: var(--bg-alt);
      color: var(--primary-color);
      border-radius: var(--radius-sm);
      border: 1px solid #d1fae5;
      font-weight: 600;
    }

    /* 关于我们与平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .intro-box h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--text-main);
      line-height: 1.35;
    }
    .intro-box p {
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
      font-size: 0.98rem;
    }
    .feature-list {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
      font-weight: 600;
    }
    .feature-icon {
      width: 22px;
      height: 22px;
      background: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      flex-shrink: 0;
      border: 1px solid var(--primary-border);
    }
    .intro-media-card {
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-md);
    }
    .intro-media-card img {
      border-radius: var(--radius-md);
      width: 100%;
      object-fit: cover;
    }

    /* 核心服务网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--accent-bright);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .service-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary-color);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      border: 1px solid var(--primary-border);
    }
    .service-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .service-footer {
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .service-link {
      font-size: 0.88rem;
      color: var(--primary-color);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .service-link:hover {
      color: var(--primary-hover);
      gap: 6px;
    }

    /* 一站式创作场景 - 标签切换与卡片 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: all 0.25s ease;
    }
    .scene-card:hover {
      background: var(--bg-alt);
      border-color: var(--accent-bright);
      transform: translateY(-2px);
    }
    .scene-tag-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 8px;
      background: #e0f2fe;
      color: #0369a1;
      border-radius: var(--radius-sm);
      margin-bottom: 10px;
    }
    .scene-card h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scene-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 行业解决方案与流程 */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .workflow-step {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px 16px;
      text-align: center;
      position: relative;
    }
    .workflow-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 14px auto;
      box-shadow: 0 0 10px rgba(5,150,105,0.3);
    }
    .workflow-step h5 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .workflow-step p {
      font-size: 0.84rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 对比评测模块 */
    .review-highlight-card {
      background: linear-gradient(135deg, #065f46 0%, #047857 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }
    .review-score-box {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .review-big-score {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1;
      color: #34d399;
    }
    .review-full-score {
      font-size: 1.25rem;
      opacity: 0.8;
    }
    .review-stars {
      color: #fbbf24;
      font-size: 1.4rem;
      margin-top: 6px;
    }
    .review-desc-title {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .review-desc-text {
      font-size: 0.95rem;
      opacity: 0.9;
      max-width: 540px;
      line-height: 1.6;
    }
    
    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-accent);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
    }
    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table th.col-highlight,
    .compare-table td.col-highlight {
      background: var(--bg-alt);
      color: var(--primary-color);
      font-weight: 700;
      border-left: 1px solid var(--border-accent);
      border-right: 1px solid var(--border-accent);
    }
    .badge-win {
      display: inline-block;
      padding: 2px 8px;
      background: #10b981;
      color: #ffffff;
      font-size: 0.75rem;
      border-radius: var(--radius-sm);
      margin-left: 6px;
    }

    /* 案例中心 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent-bright);
    }
    .case-img-box {
      width: 100%;
      height: 200px;
      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(1.04);
    }
    .case-info {
      padding: 20px;
    }
    .case-category {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary-color);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .case-info h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 客户评价网格 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-item-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars-user {
      color: #f59e0b;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }
    .review-item-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f8fafc;
      padding-top: 12px;
    }
    .reviewer-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      border: 1px solid var(--primary-border);
    }
    .reviewer-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-title {
      font-size: 0.78rem;
      color: var(--text-sub);
    }

    /* 加盟代理与算力被动收益 */
    .partner-banner {
      background: linear-gradient(135deg, #059669 0%, #064e3b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px 36px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .partner-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .partner-content p {
      font-size: 0.98rem;
      opacity: 0.9;
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .partner-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .partner-points li {
      font-size: 0.88rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .partner-action-box {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .partner-action-box h5 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .partner-action-box p {
      font-size: 0.86rem;
      opacity: 0.85;
      margin-bottom: 18px;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-card:hover {
      border-color: var(--primary-border);
    }
    .faq-question {
      padding: 18px 22px;
      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-icon-arrow {
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.25s ease;
      color: var(--primary-color);
      font-weight: 800;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background: #fcfdfd;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
      padding: 0 22px;
    }
    .faq-card.open .faq-answer {
      max-height: 400px;
      padding: 0 22px 18px 22px;
    }
    .faq-card.open .faq-icon-arrow {
      transform: rotate(180deg);
    }

    /* 资讯与百科文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .article-pane {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .article-pane h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 2px solid var(--primary-light);
      padding-bottom: 10px;
    }
    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-links-list li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
    }
    .article-links-list li a:hover {
      color: var(--primary-color);
      background: var(--bg-alt);
    }

    /* 智能需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 36px;
      align-items: start;
    }
    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .contact-info-card h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }
    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .contact-meta-item strong {
      color: var(--text-main);
    }
    .qr-showcase {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-alt);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-md);
      padding: 16px;
    }
    .qr-box {
      width: 100px;
      height: 100px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      padding: 4px;
      border-radius: var(--radius-sm);
      flex-shrink: 0;
    }
    .qr-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .qr-text h6 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 4px;
    }
    .qr-text p {
      font-size: 0.82rem;
      color: var(--text-sub);
      line-height: 1.45;
    }

    /* 表单组件 */
    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }
    .form-card h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-card .form-subtitle {
      font-size: 0.88rem;
      color: var(--text-sub);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      background-color: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: all 0.2s ease;
    }
    .form-control:focus {
      background-color: #ffffff;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(5,150,105,0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }
    .form-submit-btn {
      width: 100%;
      padding: 12px;
      font-size: 1rem;
      margin-top: 8px;
    }

    /* 友情链接与底部导航 */
    .site-footer {
      background-color: #064e3b;
      color: #ecfdf5;
      padding: 60px 0 24px 0;
      border-top: 3px solid var(--accent-bright);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 0.88rem;
      color: #a7f3d0;
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
      border-left: 3px solid var(--accent-neon);
      padding-left: 8px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-links li a {
      font-size: 0.88rem;
      color: #d1fae5;
    }
    .footer-links li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .friend-links-box {
      border-top: 1px solid rgba(167,243,208,0.2);
      padding: 20px 0;
      margin-bottom: 20px;
    }
    .friend-links-title {
      font-size: 0.88rem;
      color: #a7f3d0;
      font-weight: 600;
      margin-bottom: 10px;
    }
    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .friend-links-flex a {
      font-size: 0.84rem;
      color: #d1fae5;
    }
    .friend-links-flex a:hover {
      color: #ffffff;
      text-decoration: underline;
    }
    .footer-bottom {
      border-top: 1px solid rgba(167,243,208,0.15);
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: #6ee7b7;
    }

    /* 浮动组件与返回顶部 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary-color);
      box-shadow: 0 4px 14px rgba(0,0,0,0.15);
      border: 1px solid var(--border-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.25s ease;
    }
    .float-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: scale(1.08);
    }
    .float-qr-pop {
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-accent);
      padding: 10px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      display: none;
      width: 140px;
      text-align: center;
      color: var(--text-main);
    }
    .float-btn:hover .float-qr-pop {
      display: block;
    }
    .float-qr-pop img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
    }
    .float-qr-pop span {
      font-size: 0.75rem;
      color: var(--text-sub);
      display: block;
      margin-top: 4px;
    }

    /* 关键帧动效 */
    @keyframes pulseLight {
      0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.2); }
      50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .scene-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow-grid { grid-template-columns: repeat(3, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
      .partner-banner { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .section-wrap { padding: 50px 0; }
      .section-title { font-size: 1.6rem; }
      .hero-title { font-size: 1.85rem; }
      .hero-subtitle { font-size: 1rem; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .intro-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .scene-grid { grid-template-columns: 1fr; }
      .workflow-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .contact-wrapper { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .review-highlight-card { flex-direction: column; text-align: center; }
      .review-desc-text { max-width: 100%; }
      .partner-points { grid-template-columns: 1fr; }
      
      .nav-links.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-accent);
        padding: 16px 20px;
        box-shadow: var(--shadow-lg);
      }
      .nav-links.mobile-active li a {
        padding: 10px 14px;
      }
    }