:root {
      --bg-dark: #0a0614;
      --bg-surface: #140b26;
      --bg-card: rgba(27, 13, 48, 0.7);
      --bg-card-hover: rgba(43, 19, 77, 0.85);
      --neon-pink: #ff2a85;
      --neon-purple: #9d4edd;
      --neon-cyan: #00f0ff;
      --neon-magenta: #e024c3;
      --text-main: #f8f6fc;
      --text-muted: #b8b0cc;
      --text-dim: #7f7499;
      --border-cyber: rgba(255, 42, 133, 0.25);
      --border-glow: rgba(157, 78, 221, 0.45);
      --glow-pink: 0 0 20px rgba(255, 42, 133, 0.45);
      --glow-purple: 0 0 25px rgba(157, 78, 221, 0.4);
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      background-color: var(--bg-dark);
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(255, 42, 133, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 65%, rgba(157, 78, 221, 0.15) 0%, transparent 45%),
        linear-gradient(180deg, #07030d 0%, #110822 50%, #07030d 100%);
      color: var(--text-main);
      font-family: var(--font-sans);
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

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

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 6, 20, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyber);
    }

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

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

    .brand-logo-wrap {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      background: linear-gradient(135deg, #fff 20%, #ff80bf 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #fff;
      background: rgba(255, 42, 133, 0.15);
      text-shadow: 0 0 8px rgba(255, 42, 133, 0.6);
    }

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

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 1px solid var(--border-cyber);
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 1.1rem;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
      color: #ffffff;
      box-shadow: 0 4px 16px rgba(255, 42, 133, 0.4);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(255, 42, 133, 0.6);
      background: linear-gradient(135deg, #ff4d9d 0%, #b066f5 100%);
    }

    .btn-outline {
      background: rgba(255, 42, 133, 0.08);
      border-color: var(--neon-pink);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 42, 133, 0.22);
      border-color: #ff66aa;
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.35);
    }

    .btn-cyan {
      background: linear-gradient(135deg, #00f0ff 0%, #7000ff 100%);
      color: #05020c;
      font-weight: 700;
    }
    
    .btn-cyan:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 240, 255, 0.45);
    }

    /* 通用Section布局 */
    section {
      padding-top: 80px;
      padding-bottom: 80px;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 52px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      padding: 4px 14px;
      border-radius: 99px;
      background: rgba(255, 42, 133, 0.12);
      color: var(--neon-pink);
      border: 1px solid var(--border-cyber);
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding-top: 90px;
      padding-bottom: 100px;
      text-align: center;
      position: relative;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(157, 78, 221, 0.15);
      border: 1px solid var(--border-glow);
      border-radius: 100px;
      color: #e9d5ff;
      font-size: 0.88rem;
      margin-bottom: 24px;
    }

    .hero-h1 {
      font-size: clamp(2rem, 5vw, 3.2rem);
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 24px;
      background: linear-gradient(135deg, #ffffff 15%, #ff70b3 55%, #bd7fff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 35px rgba(255, 42, 133, 0.3);
    }

    .hero-subtitle {
      max-width: 780px;
      margin: 0 auto 36px;
      font-size: 1.15rem;
      color: #d1c8e6;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 60px;
    }

    .hero-btn-official {
      padding: 14px 34px;
      font-size: 1.08rem;
      letter-spacing: 0.5px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1050px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: linear-gradient(180deg, rgba(32, 16, 56, 0.8) 0%, rgba(18, 9, 36, 0.8) 100%);
      border: 1px solid var(--border-cyber);
      padding: 24px 16px;
      border-radius: 14px;
      position: relative;
      transition: all 0.3s ease;
    }

    .hero-stat-card:hover {
      border-color: var(--neon-pink);
      transform: translateY(-4px);
      box-shadow: var(--glow-pink);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: #00f0ff;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 品牌特性网格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .cyber-card {
      background: var(--bg-card);
      border: 1px solid rgba(157, 78, 221, 0.25);
      border-radius: 14px;
      padding: 30px;
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
      position: relative;
      overflow: hidden;
    }

    .cyber-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--neon-pink), transparent);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .cyber-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--neon-pink);
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(255, 42, 133, 0.22);
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(255, 42, 133, 0.15);
      border: 1px solid var(--border-cyber);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-pink);
      font-size: 1.4rem;
      margin-bottom: 20px;
    }

    .card-title {
      font-size: 1.22rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    /* 模型矩阵胶囊标签 */
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }

    .model-tag {
      background: rgba(36, 17, 66, 0.75);
      border: 1px solid rgba(255, 42, 133, 0.2);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      color: #e3dcf2;
      font-weight: 500;
      transition: all 0.25s ease;
    }

    .model-tag:hover {
      border-color: var(--neon-cyan);
      color: #00f0ff;
      background: rgba(0, 240, 255, 0.12);
      transform: scale(1.05);
    }

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

    .step-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      padding: 26px 20px;
      text-align: center;
      position: relative;
    }

    .step-badge {
      width: 38px;
      height: 38px;
      line-height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      color: #fff;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px;
      box-shadow: 0 0 12px rgba(255, 42, 133, 0.6);
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 对比评测表格与卡片 */
    .rating-highlight-box {
      background: linear-gradient(135deg, rgba(255, 42, 133, 0.15) 0%, rgba(157, 78, 221, 0.25) 100%);
      border: 1px solid var(--neon-pink);
      border-radius: 16px;
      padding: 30px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--glow-pink);
    }

    .score-badge-main {
      font-size: 2.8rem;
      font-weight: 900;
      color: #00f0ff;
      text-shadow: 0 0 15px rgba(0, 240, 255, 0.7);
    }

    .stars-icon {
      color: #ffb703;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      border-radius: 12px;
      border: 1px solid var(--border-cyber);
      background: var(--bg-card);
    }

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(157, 78, 221, 0.2);
    }

    .comparison-table th {
      background: rgba(37, 16, 68, 0.85);
      color: #fff;
      font-weight: 700;
      font-size: 0.96rem;
    }

    .comparison-table tr:hover td {
      background: rgba(255, 42, 133, 0.06);
    }

    .comparison-table td.highlight {
      color: #00f0ff;
      font-weight: 700;
    }

    /* 案例中心图片展示 */
    .media-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

    .media-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .media-card:hover {
      border-color: var(--neon-pink);
      transform: translateY(-4px);
    }

    .media-card .img-box {
      width: 100%;
      background: #110822;
      overflow: hidden;
    }

    .media-info {
      padding: 20px;
    }

    .media-info h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 8px;
    }

    .media-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 评论网格 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid rgba(157, 78, 221, 0.25);
      border-radius: 14px;
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-content {
      font-size: 0.94rem;
      color: #ddd5ec;
      margin-bottom: 20px;
      line-height: 1.65;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(255, 42, 133, 0.15);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #07030d;
    }

    .reviewer-info h5 {
      font-size: 0.96rem;
      color: #fff;
    }

    .reviewer-info span {
      font-size: 0.8rem;
      color: var(--text-dim);
    }

    /* 文章与资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 22px;
      border-radius: 12px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
    }

    .article-item h4 {
      font-size: 1.05rem;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .article-link {
      font-size: 0.86rem;
      color: var(--neon-pink);
      font-weight: 600;
    }

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

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

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

    .faq-question {
      padding: 18px 22px;
      font-size: 1.02rem;
      font-weight: 600;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--neon-pink);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.93rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      padding: 0 22px 18px;
      max-height: 250px;
    }

    /* 表单与需求匹配 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 14px;
      padding: 32px;
    }

    .contact-info-panel h3 {
      font-size: 1.4rem;
      color: #fff;
      margin-bottom: 20px;
    }

    .info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 26px;
    }

    .info-list li {
      font-size: 0.95rem;
      color: #d1c8e6;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .qr-container {
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 42, 133, 0.2);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 10px;
    }

    .qr-img-box {
      width: 140px;
      height: 140px;
      background: #fff;
      padding: 6px;
      border-radius: 8px;
      box-shadow: 0 0 15px rgba(255, 42, 133, 0.3);
    }

    .form-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 14px;
      padding: 32px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: #eae3f7;
      margin-bottom: 8px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      background: rgba(14, 7, 28, 0.8);
      border: 1px solid rgba(157, 78, 221, 0.35);
      border-radius: 8px;
      padding: 12px 16px;
      color: #fff;
      font-size: 0.95rem;
      font-family: inherit;
      outline: none;
      transition: all 0.25s ease;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--neon-pink);
      box-shadow: 0 0 10px rgba(255, 42, 133, 0.4);
    }

    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    /* 加盟代理专区 */
    .agent-box {
      background: linear-gradient(135deg, rgba(38, 14, 66, 0.9) 0%, rgba(20, 8, 38, 0.9) 100%);
      border: 1px solid var(--neon-magenta);
      border-radius: 16px;
      padding: 40px;
      text-align: center;
      position: relative;
      box-shadow: 0 0 30px rgba(224, 36, 195, 0.2);
    }

    /* 页脚 */
    footer.site-footer {
      background: #06020c;
      border-top: 1px solid var(--border-cyber);
      padding: 60px 0 30px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

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

    .footer-links a {
      color: var(--text-muted);
    }

    .footer-links a:hover {
      color: var(--neon-pink);
      padding-left: 4px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-wrap a {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .friend-links-wrap a:hover {
      color: #00f0ff;
      border-color: var(--neon-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-dim);
    }

    /* 浮动客服 */
    .float-kefu-btn {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      display: flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 20px rgba(255, 42, 133, 0.6);
      font-weight: 700;
      font-size: 0.9rem;
      cursor: pointer;
    }

    .float-kefu-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 6px 28px rgba(255, 42, 133, 0.8);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links.active-mobile {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #0d061a;
        padding: 20px;
        border-bottom: 1px solid var(--border-cyber);
        gap: 0;
      }
      .nav-links.active-mobile li {
        width: 100%;
        text-align: center;
      }
      .nav-links.active-mobile li a {
        display: block;
        padding: 12px;
      }
    }

    @media (max-width: 640px) {
      .hero-stats-grid,
      .feature-grid,
      .reviews-grid,
      .articles-grid,
      .flow-steps,
      .media-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .rating-highlight-box {
        flex-direction: column;
        text-align: center;
      }
    }