:root {
      --primary-vivid: #4f46e5;
      --primary-bright: #6366f1;
      --accent-magenta: #ec4899;
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      --accent-purple: #8b5cf6;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --hover-shadow: 0 20px 30px -10px rgba(236, 72, 153, 0.15), 0 10px 15px -5px rgba(6, 182, 212, 0.1);
      --gradient-vivid: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f59e0b 100%);
      --gradient-cyan-blue: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
      --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    }

    * {
      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, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 容器规范 */
    .ai-container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .ai-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid transparent;
      border-image: linear-gradient(90deg, #4f46e5, #ec4899, #06b6d4) 1;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

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

    .nav-brand .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(90deg, #4f46e5, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 12px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.25s ease;
      position: relative;
    }

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

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(236, 72, 153, 0.45);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      background-color: var(--text-main);
      margin: 4px 0;
      border-radius: 2px;
      transition: 0.3s;
    }

    /* 首屏 Hero（无图片，高饱和色彩块与动效） */
    .hero-section {
      padding: 70px 0 60px;
      background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.12) 0%, rgba(79, 70, 229, 0.08) 35%, rgba(248, 250, 252, 1) 70%);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(79, 70, 229, 0.1);
      border: 1px solid rgba(79, 70, 229, 0.25);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-vivid);
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 2.5rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero-title-highlight {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-hero-official {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
      border-radius: 50px;
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(236, 72, 153, 0.35);
      transition: all 0.25s ease;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 30px rgba(236, 72, 153, 0.45);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary-vivid);
      background: #ffffff;
      border: 2px solid var(--primary-bright);
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .btn-hero-sub:hover {
      background: rgba(79, 70, 229, 0.06);
      transform: translateY(-2px);
    }

    .hero-trust-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-sub);
    }

    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-trust-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-emerald);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }

    /* 首屏纯CSS动态面板（科技几何卡片） */
    .hero-tech-card {
      background: var(--bg-white);
      border-radius: 24px;
      border: 2px solid #e0e7ff;
      padding: 28px;
      box-shadow: 0 20px 40px -15px rgba(79, 70, 229, 0.15);
      position: relative;
    }

    .tech-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-color);
    }

    .tech-dots {
      display: flex;
      gap: 6px;
    }

    .dot-item {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }

    .tech-status {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-cyan);
      background: rgba(6, 182, 212, 0.1);
      padding: 4px 10px;
      border-radius: 12px;
    }

    .tech-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 20px;
    }

    .metric-box {
      background: #f1f5f9;
      border-radius: 16px;
      padding: 16px;
      border-left: 4px solid var(--primary-vivid);
    }

    .metric-box:nth-child(2) { border-left-color: var(--accent-magenta); }
    .metric-box:nth-child(3) { border-left-color: var(--accent-cyan); }
    .metric-box:nth-child(4) { border-left-color: var(--accent-amber); }

    .metric-val {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .metric-lbl {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-sub);
    }

    .tech-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tech-tag {
      padding: 5px 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(236, 72, 153, 0.08));
      border: 1px solid rgba(79, 70, 229, 0.2);
      border-radius: 8px;
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary-vivid);
    }

    /* 公共模块版式 */
    .section-spacing {
      padding: 70px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid #f1f5f9;
      border-bottom: 1px solid #f1f5f9;
    }

    .section-head {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 5px 16px;
      background: linear-gradient(90deg, rgba(79, 70, 229, 0.1), rgba(236, 72, 153, 0.1));
      color: var(--primary-vivid);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 800;
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

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

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

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

    .about-content h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-content p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.98rem;
    }

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

    .feature-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .feature-icon {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--accent-emerald);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 900;
    }

    .about-stat-card {
      background: linear-gradient(135deg, #4f46e5, #8b5cf6);
      border-radius: 24px;
      padding: 36px;
      color: #ffffff;
      box-shadow: 0 15px 35px rgba(79, 70, 229, 0.25);
    }

    .about-stat-card h4 {
      font-size: 1.3rem;
      margin-bottom: 14px;
      font-weight: 800;
    }

    .about-stat-card p {
      font-size: 0.95rem;
      opacity: 0.92;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-badge {
      background: rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(5px);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.78rem;
      font-weight: 700;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    /* AIGC 服务与场景卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: var(--bg-white);
      border-radius: 18px;
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #4f46e5, #ec4899);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--hover-shadow);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-badge-cat {
      align-self: flex-start;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 800;
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary-vivid);
      margin-bottom: 14px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

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

    .service-tags span {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: var(--text-sub);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 行业解决方案与制作中心 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: var(--bg-white);
      border-radius: 18px;
      padding: 26px;
      border: 1px solid #edf2f7;
      box-shadow: var(--card-shadow);
      transition: transform 0.25s ease;
    }

    .industry-card:hover {
      transform: translateY(-4px);
    }

    .industry-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .industry-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 标准制作流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-box {
      background: #ffffff;
      border-radius: 16px;
      padding: 24px 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 44px;
      height: 44px;
      line-height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 900;
      margin: 0 auto 16px;
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
    }

    .process-box h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .process-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 案例展示（含素材图） */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-item {
      background: #ffffff;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease;
    }

    .case-item:hover {
      transform: translateY(-4px);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e2e8f0;
      overflow: hidden;
      position: relative;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

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

    .case-info {
      padding: 18px;
    }

    .case-info h3 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .case-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 宣传图通栏展示 */
    .banner-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 36px;
    }

    .banner-card {
      background: #ffffff;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .banner-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测高亮板块 */
    .benchmark-card {
      background: #ffffff;
      border-radius: 20px;
      border: 2px solid #e0e7ff;
      box-shadow: 0 15px 35px rgba(79, 70, 229, 0.08);
      overflow: hidden;
    }

    .benchmark-header {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(236, 72, 153, 0.06));
      padding: 24px 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
    }

    .score-badge {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .score-number {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--primary-vivid);
    }

    .score-max {
      font-size: 0.9rem;
      color: var(--text-sub);
      font-weight: 600;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .eval-table th,
    .eval-table td {
      padding: 16px 24px;
      font-size: 0.92rem;
      border-bottom: 1px solid #f1f5f9;
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
    }

    .eval-table tr:hover td {
      background: #faf5ff;
    }

    .eval-highlight {
      font-weight: 800;
      color: var(--primary-vivid);
    }

    /* Token 比价矩阵 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border-radius: 16px;
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: transform 0.25s ease;
    }

    .token-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent-magenta);
    }

    .token-model-name {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 1.4rem;
      font-weight: 900;
      color: var(--accent-magenta);
      margin-bottom: 12px;
    }

    .token-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 客户评论卡片 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: 18px;
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

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

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .author-name {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .author-role {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      transition: background-color 0.2s ease;
    }

    .faq-question:hover {
      background-color: #faf5ff;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--primary-vivid);
      transition: transform 0.3s ease;
      font-weight: 900;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #f8fafc;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

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

    /* 资讯与百科 */
    .articles-block {
      background: #ffffff;
      border-radius: 18px;
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .articles-tag-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .article-url-chip {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: #f1f5f9;
      color: var(--primary-vivid);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 30px;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .article-url-chip:hover {
      background: var(--primary-vivid);
      color: #ffffff;
    }

    /* 需求匹配与联系表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow: hidden;
    }

    .contact-info-panel {
      background: linear-gradient(135deg, #4f46e5 0%, #312e81 100%);
      padding: 40px;
      color: #ffffff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      margin-bottom: 12px;
      font-weight: 800;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      opacity: 0.9;
      line-height: 1.6;
      margin-bottom: 30px;
    }

    .contact-details {
      list-style: none;
      margin-bottom: 30px;
    }

    .contact-details li {
      margin-bottom: 14px;
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-container {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      padding: 16px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      gap: 16px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .qr-container img {
      width: 80px;
      height: 80px;
      border-radius: 8px;
      background: #ffffff;
      display: block;
    }

    .qr-text {
      font-size: 0.85rem;
      line-height: 1.4;
    }

    .form-panel {
      padding: 40px;
    }

    .form-panel h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-panel p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      border: 1.5px solid var(--border-color);
      border-radius: 10px;
      background: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary-vivid);
      background: #ffffff;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
      border: none;
      border-radius: 10px;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 25px rgba(236, 72, 153, 0.4);
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #ffffff 0%, #fdf2f8 100%);
      border: 2px solid #fbcfe8;
      border-radius: 24px;
      padding: 36px;
      box-shadow: var(--card-shadow);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .agent-box h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .agent-box p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .perk-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .perk-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-magenta);
    }

    /* 页脚与友情链接 */
    .ai-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-vivid);
    }

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

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links a {
      color: #cbd5e1;
      font-size: 0.85rem;
      text-decoration: none;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .friend-links a:hover {
      color: #ffffff;
      background: var(--primary-vivid);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动工具栏与返回顶部 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 80px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      font-size: 1.2rem;
      cursor: pointer;
      border: none;
      transition: transform 0.2s ease;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* 响应式样式规范 */
    @media (max-width: 992px) {
      .hero-grid,
      .about-grid,
      .contact-wrapper,
      .agent-box {
        grid-template-columns: 1fr;
      }
      .industry-grid,
      .case-gallery-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .industry-grid,
      .case-gallery-grid,
      .reviews-grid,
      .process-steps,
      .banner-showcase {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.9rem;
      }
      .section-title {
        font-size: 1.5rem;
      }
      .contact-info-panel,
      .form-panel {
        padding: 24px;
      }
    }