:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-dark: #9F1239;
      --accent: #FB7185;
      --accent-soft: #FFE4E6;
      --accent-bg: #FFF1F2;
      --text-main: #1E293B;
      --text-sub: #475569;
      --text-light: #64748B;
      --border-color: #FECDD3;
      --border-light: #FFE4E6;
      --card-bg: #FFFFFF;
      --section-bg: #FFFBFB;
      --section-alt: #FFF5F6;
      --shadow-sm: 0 2px 8px rgba(225, 29, 72, 0.06);
      --shadow-md: 0 8px 24px rgba(225, 29, 72, 0.1);
      --shadow-lg: 0 16px 36px rgba(225, 29, 72, 0.14);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1240px;
    }

    *, *::before, *::after {
      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", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--section-bg);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-sub);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

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

    .header-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: 999px;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      text-align: center;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #F43F5E 0%, var(--primary) 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(225, 29, 72, 0.4);
      color: #FFFFFF;
    }

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

    .btn-outline:hover {
      background: var(--accent-bg);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
      cursor: pointer;
      padding: 6px;
    }

    /* 区域通配样式 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-alt-bg {
      background-color: var(--section-alt);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--accent-soft);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

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

    /* 首屏 Hero - 无图片 pure CSS */
    .hero-section {
      background: radial-gradient(100% 100% at 50% 0%, #FFE4E6 0%, #FFF5F6 50%, #FFFBFB 100%);
      padding: 90px 0 80px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-glow-blob {
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 350px;
      background: radial-gradient(circle, rgba(251, 113, 133, 0.25) 0%, rgba(255, 241, 242, 0) 70%);
      filter: blur(50px);
      pointer-events: none;
      z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 920px;
      margin: 0 auto;
    }

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

    .hero-badge .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7); }
      70% { box-shadow: 0 0 0 10px rgba(225, 29, 72, 0); }
      100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
    }

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      color: #881337;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-sub);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
    }

    .btn-hero-main {
      padding: 14px 34px;
      font-size: 1.1rem;
      background: linear-gradient(135deg, #E11D48 0%, #9F1239 100%);
      color: #FFFFFF;
      border-radius: 999px;
      font-weight: 700;
      box-shadow: 0 10px 25px rgba(225, 29, 72, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(225, 29, 72, 0.45);
      color: #FFFFFF;
    }

    .btn-hero-secondary {
      padding: 14px 30px;
      font-size: 1.05rem;
      background: #FFFFFF;
      color: var(--primary-dark);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      font-weight: 700;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: var(--accent-bg);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 纯CSS首屏数据卡片展示组 */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      text-align: left;
    }

    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

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

    .metric-num {
      font-size: 1.85rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: inherit;
    }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-desc {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 平台介绍与关于我们 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .intro-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .intro-text p {
      font-size: 1rem;
      color: var(--text-sub);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .feature-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #FFFFFF;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .point-icon {
      color: var(--primary);
      font-weight: 900;
      font-size: 1.1rem;
    }

    .point-content strong {
      display: block;
      font-size: 0.9rem;
      color: var(--text-main);
    }

    .point-content span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .intro-card-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .intro-card-header {
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 16px;
      margin-bottom: 16px;
    }

    .intro-card-header h4 {
      font-size: 1.2rem;
      color: var(--primary-dark);
      font-weight: 800;
    }

    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .model-pill {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary-dark);
      background: var(--accent-soft);
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }

    /* 服务与制作能力卡片列表 */
    .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;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: var(--accent-soft);
      color: var(--primary);
      display: inline-block;
      margin-bottom: 12px;
      width: fit-content;
    }

    .service-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-meta {
      font-size: 0.82rem;
      color: var(--text-light);
      border-top: 1px dashed var(--border-light);
      padding-top: 12px;
    }

    /* 行业方案与图文展示 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .solution-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .solution-media {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .solution-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .solution-item:hover .solution-media img {
      transform: scale(1.03);
    }

    .solution-body {
      padding: 24px;
    }

    .solution-body h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .solution-body p {
      font-size: 0.95rem;
      color: var(--text-sub);
      margin-bottom: 14px;
    }

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

    .step-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-idx {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--accent);
      margin-bottom: 10px;
    }

    .step-box h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-box p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 对比评测 - 突出 9.9分 与 五星 */
    .review-score-banner {
      background: linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-md);
    }

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

    .score-circle {
      width: 100px;
      height: 100px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 4px solid var(--primary);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-sm);
    }

    .score-val {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-light);
    }

    .score-info h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .score-stars {
      color: #F59E0B;
      font-size: 1.3rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

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

    .score-cta {
      text-align: right;
    }

    .table-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
      min-width: 680px;
    }

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

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

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table .highlight-col {
      background-color: #FFF9FA;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .tag-check {
      color: var(--primary);
      font-weight: 900;
      margin-right: 4px;
    }

    .tag-cross {
      color: #94A3B8;
      margin-right: 4px;
    }

    /* 客户评价板块 6条真实可信 */
    .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: 24px;
      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: 1.6;
      margin-bottom: 18px;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--primary);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      border: 1px solid var(--border-color);
    }

    .user-meta h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

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

    /* 常见问题 FAQ 折叠面板 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

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

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: var(--accent-bg);
    }

    .faq-arrow {
      color: var(--primary);
      font-size: 1.1rem;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease;
      background: #FFFFFF;
      padding: 0 22px;
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 22px 18px 22px;
    }

    /* 需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

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

    .contact-info p {
      font-size: 0.95rem;
      color: var(--text-sub);
      margin-bottom: 24px;
    }

    .contact-channels {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 24px;
    }

    .channel-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .channel-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--accent-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    .qrcode-box {
      margin-top: 16px;
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--accent-bg);
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .qrcode-box img {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      object-fit: contain;
      background: #FFF;
    }

    .qrcode-text h6 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qrcode-text p {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 0;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #FFF;
      color: var(--text-main);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      font-family: inherit;
    }

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

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

    /* 宣传图展示区与文章资讯 */
    .banners-container {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

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

    .banner-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .articles-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .article-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-light);
      font-size: 0.95rem;
    }

    .article-item:last-child {
      border-bottom: none;
    }

    .article-item a {
      color: var(--text-main);
      font-weight: 600;
    }

    .article-item a:hover {
      color: var(--primary);
    }

    /* 友情链接与页脚 */
    .links-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-light);
      padding: 24px 0;
      font-size: 0.88rem;
    }

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

    .links-label {
      font-weight: 700;
      color: var(--text-main);
    }

    .links-wrap a {
      color: var(--text-sub);
    }

    .links-wrap a:hover {
      color: var(--primary);
    }

    .site-footer {
      background-color: #FFF0F2;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 24px 0;
      color: var(--text-sub);
      font-size: 0.9rem;
    }

    .footer-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      margin-bottom: 20px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--primary-dark);
      font-size: 1.1rem;
    }

    .footer-copyright {
      text-align: center;
      padding-top: 20px;
      border-top: 1px solid var(--border-light);
      color: var(--text-light);
      font-size: 0.85rem;
    }

    /* 浮动客服入口与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      color: var(--primary);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.1rem;
      transition: all 0.25s ease;
      position: relative;
    }

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

    .float-btn .hover-card {
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #FFFFFF;
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: none;
      width: 140px;
      text-align: center;
      color: var(--text-main);
    }

    .float-btn:hover .hover-card {
      display: block;
    }

    .float-btn .hover-card img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      display: block;
      margin-bottom: 6px;
    }

    .float-btn .hover-card span {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--text-sub);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.2rem; }
      .hero-metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
      .flow-steps { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { padding: 12px 10px; width: 100%; }
      .header-actions { display: none; }
      .hero-section { padding: 60px 0 50px 0; }
      .hero-h1 { font-size: 1.85rem; }
      .hero-metrics-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .flow-steps { grid-template-columns: 1fr; }
      .contact-wrapper { grid-template-columns: 1fr; padding: 24px; }
      .banners-container { grid-template-columns: 1fr; }
      .review-score-banner { flex-direction: column; text-align: center; }
      .score-detail { flex-direction: column; }
      .score-cta { text-align: center; width: 100%; }
    }