:root {
      --primary-hologram: linear-gradient(135deg, #a78bfa 0%, #38bdf8 50%, #f472b6 100%);
      --laser-accent: #6366f1;
      --laser-cyan: #06b6d4;
      --laser-pink: #ec4899;
      --bg-base: #f8fafc;
      --bg-surface: #ffffff;
      --bg-surface-glass: rgba(255, 255, 255, 0.88);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-laser: rgba(99, 102, 241, 0.18);
      --border-light: #e2e8f0;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-holo: 0 10px 25px -5px rgba(99, 102, 241, 0.12), 0 8px 10px -6px rgba(236, 72, 153, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --container-max: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(at 0% 0%, rgba(167, 139, 250, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(56, 189, 248, 0.15) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(244, 114, 182, 0.08) 0px, transparent 60%),
        radial-gradient(at 100% 100%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(6, 182, 212, 0.12) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-laser);
      transition: all 0.3s ease;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      color: var(--text-main);
    }

    .brand-logo-wrap {
      max-width: 140px;
      display: flex;
      align-items: center;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      background: var(--primary-hologram);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      white-space: nowrap;
    }

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

    .nav-item a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .nav-item a:hover {
      color: var(--laser-accent);
      background: rgba(99, 102, 241, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      text-decoration: none;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-holo {
      background: var(--primary-hologram);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
    }

    .btn-holo:hover {
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--laser-accent);
      border-color: var(--laser-accent);
    }

    .btn-outline:hover {
      background: rgba(99, 102, 241, 0.06);
    }

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

    /* Hero 首屏 - 纯代码视觉，无图片 */
    .hero-section {
      padding: 70px 0 60px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      background: #ffffff;
      border: 1px solid var(--border-laser);
      box-shadow: var(--shadow-sm);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--laser-accent);
      margin-bottom: 24px;
    }

    .hero-badge-pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--laser-cyan);
      box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
      animation: pulseDot 1.8s infinite;
    }

    @keyframes pulseDot {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
    }

    .hero-title {
      font-size: clamp(2rem, 4.5vw, 3.2rem);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-btn-large {
      padding: 14px 36px;
      font-size: 1.1rem;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: var(--bg-surface-glass);
      border: 1px solid var(--border-laser);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-holo);
      transition: transform 0.25s ease;
    }

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

    .hero-stat-value {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--laser-accent);
      margin-bottom: 4px;
    }

    .hero-stat-label {
      font-size: 0.88rem;
      color: var(--text-light);
      font-weight: 500;
    }

    /* Section 通用规范 */
    .section-block {
      padding: 60px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 44px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--laser-accent);
      border-radius: var(--radius-pill);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 12px;
    }

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

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

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

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .feature-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      border-color: var(--laser-accent);
      box-shadow: var(--shadow-holo);
      transform: translateY(-4px);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(236, 72, 153, 0.12));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--laser-accent);
      margin-bottom: 18px;
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 平台矩阵徽章 */
    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid var(--border-laser);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      background: var(--laser-accent);
      color: #ffffff;
      border-color: var(--laser-accent);
    }

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

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

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-hologram);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 1rem;
    }

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

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

    /* 对比评测表格与卡片 */
    .review-score-box {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.08));
      border: 1px solid var(--border-laser);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-big {
      font-size: 3.5rem;
      font-weight: 900;
      background: var(--primary-hologram);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1;
    }

    .score-detail h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background: rgba(99, 102, 241, 0.02);
    }

    .highlight-col {
      background: rgba(99, 102, 241, 0.04);
      font-weight: 600;
      color: var(--laser-accent);
    }

    /* 图片展示区 */
    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .media-card:hover {
      box-shadow: var(--shadow-holo);
      transform: translateY(-4px);
    }

    .media-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

    .media-body {
      padding: 20px;
    }

    .media-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 客户评论卡片 */
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-hologram);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .reviewer-info h4 {
      font-size: 0.98rem;
      font-weight: 700;
    }

    .reviewer-info span {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    .review-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      font-style: italic;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.25s ease;
      color: var(--laser-accent);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.6;
    }

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

    /* 表单组件 */
    .form-wrapper {
      max-width: 680px;
      margin: 0 auto;
      background: #ffffff;
      border: 1px solid var(--border-laser);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: var(--shadow-holo);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      background: #fdfdfd;
      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(--laser-accent);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    /* 行业资讯与动态文章 */
    .article-links-wrap {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .article-list a {
      display: block;
      padding: 10px 14px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.9rem;
      border-left: 3px solid var(--laser-accent);
      transition: all 0.2s ease;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .article-list a:hover {
      background: rgba(99, 102, 241, 0.08);
      transform: translateX(4px);
    }

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-holo);
    }

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

    .agent-content p {
      color: #cbd5e1;
      font-size: 0.98rem;
      max-width: 600px;
    }

    /* 联系我们与客服二维码 */
    .contact-card-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .qr-box {
      background: #ffffff;
      border: 1px solid var(--border-laser);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .qr-img-wrap {
      max-width: 180px;
      margin: 0 auto 16px;
      padding: 8px;
      border: 1px dashed var(--border-laser);
      border-radius: var(--radius-sm);
    }

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

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .contact-label {
      font-weight: 700;
      color: var(--text-main);
      min-width: 80px;
    }

    /* 友情链接与页脚 */
    .footer-block {
      background: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 40px 0 24px;
      margin-top: 40px;
    }

    .footer-links-section {
      padding-bottom: 24px;
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-light);
    }

    .links-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .footer-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-links-wrap a {
      color: var(--text-light);
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }

    .footer-links-wrap a:hover {
      color: var(--laser-accent);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 浮动工具栏 */
    .float-toolbar {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-laser);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--laser-accent);
      cursor: pointer;
      text-decoration: none;
      font-size: 1.2rem;
      transition: all 0.2s ease;
    }

    .float-btn:hover {
      background: var(--laser-accent);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-card-grid {
        grid-template-columns: 1fr;
      }
      .article-list {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-holo);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-item {
        width: 100%;
      }
      .nav-item a {
        display: block;
        padding: 10px 0;
      }
      .nav-toggle {
        display: block;
      }
      .grid-2,
      .grid-3,
      .grid-4,
      .process-timeline,
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .review-score-box {
        flex-direction: column;
        text-align: center;
      }
      .score-left {
        flex-direction: column;
      }
      .agent-banner {
        text-align: center;
        justify-content: center;
      }
    }