:root {
      --primary-pop: #ff3366;
      --secondary-pop: #7928ca;
      --accent-cyan: #00d2ff;
      --accent-yellow: #ffb703;
      --accent-green: #06d6a0;
      --text-main: #141b2b;
      --text-muted: #4a5568;
      --bg-base: #fdfbf7;
      --bg-surface: #ffffff;
      --bg-soft-card: #f8faff;
      --border-color: rgba(20, 27, 43, 0.1);
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 16px 36px rgba(255, 51, 102, 0.14);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-base);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 0%, rgba(255, 51, 102, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(121, 40, 202, 0.05) 0%, transparent 50%);
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      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, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid rgba(255, 51, 102, 0.15);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-title span {
      background: linear-gradient(135deg, var(--primary-pop), var(--secondary-pop));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-pop);
      background: rgba(255, 51, 102, 0.08);
    }

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

    .btn-header-cta {
      background: linear-gradient(135deg, var(--primary-pop) 0%, #ff6b35 100%);
      color: #ffffff !important;
      padding: 10px 22px;
      border-radius: 99px;
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.35);
      border: none;
      cursor: pointer;
    }

    .btn-header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.5);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

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

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 980px;
      margin: 0 auto;
    }

    .badge-pop {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(90deg, #ffebf0, #e9e5ff);
      border: 1px solid rgba(255, 51, 102, 0.3);
      padding: 6px 18px;
      border-radius: 99px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--secondary-pop);
      margin-bottom: 24px;
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary-pop);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary-pop);
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      color: #0d131f;
      margin-bottom: 22px;
    }

    .hero-title .highlight {
      background: linear-gradient(135deg, #ff0055 0%, #7928ca 50%, #00d2ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 840px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-super-pop {
      background: linear-gradient(135deg, #ff1493 0%, #ff4500 100%);
      color: #ffffff;
      padding: 16px 36px;
      border-radius: 99px;
      font-size: 1.15rem;
      font-weight: 800;
      box-shadow: 0 10px 28px rgba(255, 20, 147, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-super-pop:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 34px rgba(255, 20, 147, 0.55);
      color: #ffffff;
    }

    .btn-secondary-pop {
      background: #ffffff;
      color: var(--secondary-pop);
      padding: 16px 32px;
      border-radius: 99px;
      font-size: 1.05rem;
      font-weight: 700;
      border: 2px solid var(--secondary-pop);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-secondary-pop:hover {
      background: rgba(121, 40, 202, 0.05);
      transform: translateY(-2px);
    }

    /* 纯色几何数据首屏卡片 */
    .hero-stats-panel {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 2px solid rgba(121, 40, 202, 0.15);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .stat-card {
      text-align: center;
      padding: 15px;
      border-radius: var(--radius-md);
      background: linear-gradient(180deg, #faf7ff 0%, #ffffff 100%);
      border: 1px solid rgba(121, 40, 202, 0.1);
      transition: all 0.3s ease;
    }

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

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      margin-bottom: 4px;
      display: block;
    }

    .stat-number.color-p { color: #ff0066; }
    .stat-number.color-s { color: #7928ca; }
    .stat-number.color-b { color: #0070f3; }
    .stat-number.color-y { color: #f5a623; }

    .stat-label {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 通用板块样式 */
    .section-spacing {
      padding: 90px 0;
    }

    .section-head {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 5px 14px;
      border-radius: 99px;
      background: rgba(255, 51, 102, 0.1);
      color: var(--primary-pop);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 14px;
    }

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

    /* 平台介绍 */
    .platform-intro-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      background: #ffffff;
      border: 2px solid rgba(0, 210, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: 0 12px 30px rgba(0, 210, 255, 0.08);
    }

    .intro-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 18px;
    }

    .intro-info p {
      color: var(--text-muted);
      font-size: 1rem;
      margin-bottom: 24px;
      line-height: 1.7;
    }

    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .feature-check-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--text-main);
      font-size: 0.95rem;
    }

    .feature-check-list li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: var(--accent-green);
      color: #ffffff;
      border-radius: 50%;
      font-size: 0.8rem;
      font-weight: 800;
    }

    .banner-preview-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 3px solid rgba(255, 51, 102, 0.15);
      background: #fdf5f7;
    }

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

    /* 模型矩阵胶囊标签 */
    .models-marquee-card {
      margin-top: 40px;
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid rgba(121, 40, 202, 0.15);
    }

    .models-title {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--secondary-pop);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .models-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-tag {
      background: linear-gradient(135deg, #f5f3ff 0%, #fff 100%);
      border: 1px solid rgba(121, 40, 202, 0.25);
      color: #4a154b;
      padding: 6px 14px;
      border-radius: 99px;
      font-size: 0.88rem;
      font-weight: 700;
      transition: all 0.2s;
    }

    .model-tag:hover {
      background: var(--secondary-pop);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 场景卡片矩阵 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

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

    .service-card {
      background: #ffffff;
      border: 2px solid rgba(20, 27, 43, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-pop), var(--accent-cyan));
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-sm);
      border-color: var(--primary-pop);
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #ffebf0, #e9e5ff);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
    }

    .card-heading {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .card-footer-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--secondary-pop);
      background: #f3e8ff;
      padding: 4px 10px;
      border-radius: 6px;
      align-self: flex-start;
    }

    /* 一站式制作场景特色展区 */
    .showcase-block {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 2px solid rgba(255, 183, 3, 0.3);
      box-shadow: 0 10px 30px rgba(255, 183, 3, 0.08);
      margin-bottom: 40px;
    }

    .showcase-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .showcase-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid rgba(0, 0, 0, 0.06);
    }

    .showcase-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

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

    /* 对比评测卡片与表格 */
    .review-score-banner {
      background: linear-gradient(135deg, #ff0055 0%, #7928ca 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
      box-shadow: 0 16px 36px rgba(255, 0, 85, 0.25);
    }

    .score-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-info p {
      font-size: 1.05rem;
      opacity: 0.95;
    }

    .score-badge-circle {
      text-align: right;
    }

    .score-big {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1;
      letter-spacing: -2px;
    }

    .score-sub {
      font-size: 1rem;
      opacity: 0.85;
      font-weight: 600;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid rgba(20, 27, 43, 0.08);
      box-shadow: var(--shadow-sm);
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 18px 24px;
      border-bottom: 1px solid rgba(20, 27, 43, 0.06);
    }

    .comparison-table th {
      background: #fdf5f8;
      font-weight: 800;
      color: var(--text-main);
      font-size: 1.02rem;
    }

    .comparison-table tr:hover td {
      background: #faf7ff;
    }

    .highlight-col {
      background: rgba(255, 51, 102, 0.03);
      font-weight: 700;
      color: var(--primary-pop);
    }

    .badge-win {
      display: inline-block;
      background: #d4edda;
      color: #155724;
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 700;
      font-size: 0.82rem;
    }

    /* 标准服务流程时间线 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border: 2px solid rgba(121, 40, 202, 0.15);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      transition: all 0.3s;
    }

    .step-box:hover {
      border-color: var(--primary-pop);
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 42px;
      height: 42px;
      line-height: 42px;
      background: linear-gradient(135deg, var(--primary-pop), var(--secondary-pop));
      color: #ffffff;
      font-weight: 900;
      font-size: 1.2rem;
      border-radius: 50%;
      margin: 0 auto 16px;
    }

    .step-box h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

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

    /* 客户评价板块 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid rgba(20, 27, 43, 0.08);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .review-stars {
      color: #ffb703;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }

    .review-body {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-pop), var(--accent-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .reviewer-name {
      font-weight: 800;
      font-size: 0.98rem;
      color: var(--text-main);
    }

    .reviewer-role {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid rgba(121, 40, 202, 0.12);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }

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

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #0f172a;
      user-select: none;
    }

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

    .faq-toggle-icon {
      font-size: 1.3rem;
      color: var(--secondary-pop);
      transition: transform 0.3s;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary-pop);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #fdfbf7;
    }

    .faq-answer-inner {
      padding: 0 24px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 表单与需求接入板块 */
    .contact-form-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 3px solid rgba(255, 51, 102, 0.2);
      padding: 48px;
      box-shadow: 0 16px 40px rgba(255, 51, 102, 0.08);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
    }

    .form-info h3 {
      font-size: 1.8rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .form-info p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-details-box {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .contact-details-box li {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .contact-details-box li span {
      color: var(--secondary-pop);
      font-weight: 700;
    }

    .lead-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 2px solid rgba(20, 27, 43, 0.12);
      font-size: 0.95rem;
      font-family: inherit;
      color: var(--text-main);
      background: #ffffff;
      transition: all 0.25s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-pop);
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
    }

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

    .btn-submit {
      background: linear-gradient(135deg, var(--primary-pop) 0%, var(--secondary-pop) 100%);
      color: #ffffff;
      padding: 15px 30px;
      border: none;
      border-radius: 99px;
      font-size: 1.05rem;
      font-weight: 800;
      cursor: pointer;
      box-shadow: 0 8px 24px rgba(255, 51, 102, 0.35);
      transition: all 0.25s;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
    }

    /* 资讯与友情链接 */
    .articles-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid rgba(0, 0, 0, 0.08);
      margin-bottom: 40px;
    }

    .articles-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 14px;
    }

    .article-item-chip {
      background: #f8f9fa;
      border: 1px solid #e9ecef;
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #333;
    }

    .article-item-chip:hover {
      border-color: var(--primary-pop);
      color: var(--primary-pop);
    }

    /* 页脚 */
    .site-footer {
      background: #111827;
      color: #e5e7eb;
      padding: 70px 0 30px;
      margin-top: 80px;
      border-top: 4px solid var(--primary-pop);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      color: #9ca3af;
      font-size: 0.92rem;
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      color: #9ca3af;
      font-size: 0.92rem;
    }

    .footer-col ul li a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-qr-code {
      width: 110px;
      height: 110px;
      background: #ffffff;
      padding: 6px;
      border-radius: 8px;
    }

    .footer-qr-code img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 25px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      font-size: 0.88rem;
      color: #9ca3af;
    }

    .footer-bottom a {
      color: #cbd5e1;
    }

    .friend-links-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 15px;
      font-size: 0.88rem;
    }

    .friend-links-bar a {
      color: #9ca3af;
      padding-right: 12px;
      border-right: 1px solid rgba(255, 255, 255, 0.2);
    }

    .friend-links-bar a:last-child {
      border-right: none;
    }

    .friend-links-bar a:hover {
      color: #ffffff;
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid var(--primary-pop);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
      cursor: pointer;
      position: relative;
      transition: 0.2s;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    .float-btn.main-kefu {
      background: linear-gradient(135deg, var(--primary-pop), var(--secondary-pop));
      border: none;
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 800;
    }

    .qr-popup-card {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
      border: 2px solid var(--primary-pop);
      width: 160px;
      text-align: center;
    }

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

    .qr-popup-card img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .qr-popup-card p {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-main);
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .showcase-flex {
        grid-template-columns: 1fr;
      }
      .contact-form-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid rgba(0, 0, 0, 0.1);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        width: 100%;
        padding: 12px 16px;
      }
      .header-action {
        display: none;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats-panel {
        grid-template-columns: 1fr;
      }
      .platform-intro-wrap {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .cards-grid-3,
      .cards-grid-4,
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .timeline-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .score-badge-circle {
        text-align: left;
      }
    }