:root {
      --primary: #4361ee;
      --primary-dark: #3a0ca3;
      --secondary: #7209b7;
      --accent-coral: #f72585;
      --accent-cyan: #4cc9f0;
      --accent-amber: #f8961e;
      --accent-emerald: #10b981;
      
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      
      --border-color: #e2e8f0;
      --border-subtle: rgba(226, 232, 240, 0.8);
      
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(67, 97, 238, 0.12);
      
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      
      --rainbow-grad: linear-gradient(135deg, #f72585 0%, #7209b7 25%, #4361ee 50%, #4cc9f0 75%, #10b981 100%);
      --rainbow-subtle: linear-gradient(135deg, rgba(247,37,133,0.06), rgba(67,97,238,0.06), rgba(76,201,240,0.06));
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    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(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(at 0% 0%, rgba(247, 37, 133, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(76, 201, 240, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(67, 97, 238, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
    }

    /* 容器体系统一 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部彩虹光条 */
    .top-rainbow-bar {
      height: 4px;
      background: var(--rainbow-grad);
      width: 100%;
      position: fixed;
      top: 0;
      left: 0;
      z-index: 1001;
    }

    /* 导航栏 */
    .header-nav {
      position: fixed;
      top: 4px;
      left: 0;
      width: 100%;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      z-index: 1000;
      transition: all 0.3s ease;
    }

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

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

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

    .brand-text-block {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
    }

    .brand-badge {
      font-size: 0.7rem;
      color: var(--primary);
      font-weight: 600;
      letter-spacing: 0.5px;
    }

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

    .nav-links a {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      display: block;
    }

    .nav-links a:hover {
      color: var(--primary);
      background: rgba(67, 97, 238, 0.08);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      background: var(--rainbow-grad);
      color: #ffffff !important;
      font-weight: 700;
      font-size: 0.9rem;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(67, 97, 238, 0.25);
      transition: all 0.25s ease;
      border: none;
      cursor: pointer;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(67, 97, 238, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero（严禁任何图片） */
    .hero-section {
      padding-top: 140px;
      padding-bottom: 70px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(248,250,252,0.9) 100%);
    }

    .hero-wrapper {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(67, 97, 238, 0.08);
      border: 1px solid rgba(67, 97, 238, 0.2);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 24px;
      animation: pulseLight 3s infinite;
    }

    @keyframes pulseLight {
      0%, 100% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.2); }
      50% { box-shadow: 0 0 0 8px rgba(67, 97, 238, 0); }
    }

    .hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-rainbow-text {
      background: var(--rainbow-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

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

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

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 15px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--rainbow-grad);
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
      transition: all 0.25s ease;
      border: none;
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(67, 97, 238, 0.45);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 15px 30px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .btn-hero-sub:hover {
      background: var(--bg-subtle);
      border-color: var(--text-light);
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }

    .stat-card-clean {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      border-top: 3px solid var(--primary);
    }

    .stat-card-clean:nth-child(2) { border-top-color: var(--secondary); }
    .stat-card-clean:nth-child(3) { border-top-color: var(--accent-coral); }
    .stat-card-clean:nth-child(4) { border-top-color: var(--accent-emerald); }

    .stat-num {
      font-size: 1.7rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 公共区段骨架 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-pill {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(67, 97, 238, 0.08);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 平台矩阵标牌 (模型轮播/展示) */
    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 24px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .model-tag::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--rainbow-grad);
    }

    /* 网格布局 */
    .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;
      align-items: center;
    }

    /* 灵动卡片通用 */
    .feature-box {
      background: var(--bg-card);
      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;
      height: 100%;
      position: relative;
      overflow: hidden;
    }

    .feature-box:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(67, 97, 238, 0.4);
    }

    .feature-icon-bar {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--rainbow-subtle);
      border: 1px solid rgba(67, 97, 238, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 20px;
    }

    .feature-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .feature-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .feature-badge {
      position: absolute;
      top: 18px;
      right: 18px;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: var(--radius-full);
      background: rgba(247, 37, 133, 0.1);
      color: var(--accent-coral);
    }

    /* 素材展示区 (正文包含指定图片) */
    .media-card-showcase {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .media-img-holder {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
    }

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

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

    .media-content {
      padding: 24px;
    }

    .media-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

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

    /* 对比评测表格样式 */
    .review-score-hero {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
      color: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .review-left {
      max-width: 600px;
    }

    .review-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #ffffff;
    }

    .review-left p {
      color: #cbd5e1;
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .review-rating-block {
      text-align: right;
      background: rgba(255, 255, 255, 0.08);
      padding: 20px 30px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .rating-stars {
      color: #fbbf24;
      font-size: 1.3rem;
      margin-bottom: 4px;
      letter-spacing: 2px;
    }

    .rating-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: #ffffff;
      line-height: 1;
    }

    .rating-max {
      font-size: 1rem;
      color: #94a3b8;
      font-weight: 500;
    }

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

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

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

    .custom-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #0f172a;
    }

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

    .custom-table .col-highlight {
      background: rgba(67, 97, 238, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    .tag-check {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--accent-emerald);
      font-weight: 700;
    }

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

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

    .step-badge {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--rainbow-grad);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      margin-bottom: 16px;
    }

    .step-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .step-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testi-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .avatar-mock {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--rainbow-subtle);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    .testi-author h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
    }

    .testi-author span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .testi-text {
      font-size: 0.9rem;
      color: #475569;
      line-height: 1.65;
      font-style: italic;
    }

    /* 折叠面板 (FAQ 12条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-item:hover {
      border-color: rgba(67, 97, 238, 0.4);
    }

    .faq-question {
      padding: 18px 24px;
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      font-size: 1rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

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

    .faq-answer {
      padding: 0 24px 18px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }

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

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

    /* 表单与联系模块 */
    .contact-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .contact-info-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 24px 0;
    }

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

    .contact-icon {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      background: rgba(67, 97, 238, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.1rem;
    }

    .qr-box-wrap {
      background: var(--bg-subtle);
      padding: 16px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: center;
      gap: 16px;
      border: 1px dashed var(--border-color);
    }

    .qr-box-wrap img {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .qr-desc h6 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .qr-desc p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      background: var(--rainbow-grad);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-md);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(67, 97, 238, 0.25);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(67, 97, 238, 0.35);
    }

    /* 行业资讯文章外链 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
    }

    .article-item-card {
      background: #ffffff;
      padding: 18px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-decoration: none;
      color: var(--text-main);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }

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

    .article-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .article-link-anchor {
      font-size: 0.8rem;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 600;
    }

    /* 友情链接与页脚 */
    .footer-section {
      background: #0f172a;
      color: #e2e8f0;
      padding-top: 60px;
      padding-bottom: 30px;
      margin-top: 60px;
    }

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

    .footer-col h5 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      display: inline-block;
    }

    .footer-col p {
      color: #94a3b8;
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 16px;
    }

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

    .footer-links-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .friend-links-wrap {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #94a3b8;
    }

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

    .friend-links-wrap a:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.15);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动侧边栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--text-main);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      font-size: 1.2rem;
      border: 1px solid var(--border-color);
      transition: all 0.25s ease;
      cursor: pointer;
    }

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

    .float-qr-pop {
      position: relative;
    }

    .float-qr-pop .pop-img-box {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 140px;
      text-align: center;
    }

    .float-qr-pop:hover .pop-img-box {
      display: block;
    }

    .float-qr-pop .pop-img-box img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
    }

    .float-qr-pop .pop-img-box span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.2rem; }
      .grid-4, .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .timeline-steps { grid-template-columns: repeat(2, 1fr); }
      .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: repeat(2, 1fr); }
      .contact-container { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active { display: flex; }
      .nav-links a { width: 100%; padding: 10px 0; }
      .hero-title { font-size: 1.8rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
      .timeline-steps { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .review-score-hero { flex-direction: column; text-align: center; }
      .review-rating-block { text-align: center; width: 100%; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }