:root {
      --bg-main: #070913;
      --bg-surface: #0e1326;
      --bg-card: rgba(20, 28, 52, 0.7);
      --bg-card-hover: rgba(28, 38, 70, 0.85);
      --neon-cyan: #00f0ff;
      --neon-lime: #10ffa0;
      --neon-purple: #9d4edd;
      --neon-amber: #ffaa00;
      --text-white: #ffffff;
      --text-main: #e2e8f0;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.25);
      --border-dim: rgba(255, 255, 255, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 30px;
      --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.15);
      --container-max: 1200px;
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-main);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background: radial-gradient(circle at 50% 0%, #151b38 0%, #070913 60%, #030408 100%);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-smooth);
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 9, 19, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glow);
    }

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

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

    .ai-page-logo {
      height: 38px;
      width: auto;
      filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-tag {
      font-size: 0.68rem;
      padding: 2px 6px;
      border-radius: 4px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
      color: #000;
      font-weight: 800;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.92rem;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover {
      color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.06);
    }

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

    .btn-neon-outline {
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      padding: 8px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: var(--radius-xl);
      background: rgba(0, 240, 255, 0.05);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    .btn-neon-outline:hover {
      background: var(--neon-cyan);
      color: #070913;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
      transform: translateY(-2px);
    }

    .btn-neon-solid {
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-lime) 100%);
      color: #070913;
      padding: 9px 22px;
      font-size: 0.92rem;
      font-weight: 700;
      border-radius: var(--radius-xl);
      border: none;
      box-shadow: 0 0 18px rgba(16, 255, 160, 0.4);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    .btn-neon-solid:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-glow);
      color: var(--text-white);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 1.1rem;
    }

    /* 模块通用样式 */
    main {
      flex: 1;
      width: 100%;
    }

    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.2), transparent);
    }

    .section-head {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.78rem;
      letter-spacing: 2px;
      text-transform: uppercase;
      padding: 4px 14px;
      border-radius: var(--radius-xl);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      color: var(--neon-cyan);
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 14px;
      text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    }

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

    /* 首屏 Hero (严格无图，纯CSS与流光科技感) */
    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .hero-ambient-glow {
      position: absolute;
      top: 20%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 680px;
      height: 380px;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.16) 0%, rgba(157, 78, 221, 0.12) 40%, transparent 70%);
      filter: blur(80px);
      z-index: 0;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(16, 255, 160, 0.08);
      border: 1px solid rgba(16, 255, 160, 0.35);
      border-radius: var(--radius-xl);
      padding: 6px 18px;
      font-size: 0.85rem;
      color: var(--neon-lime);
      margin-bottom: 24px;
      box-shadow: 0 0 12px rgba(16, 255, 160, 0.15);
    }

    .hero-chip-dot {
      width: 8px;
      height: 8px;
      background: var(--neon-lime);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-lime);
      animation: pulse-dot 1.8s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.75); }
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-white);
      letter-spacing: -0.5px;
    }

    .text-gradient-neon {
      background: linear-gradient(135deg, #00f0ff 0%, #10ffa0 50%, #d8b4fe 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 34px auto;
      line-height: 1.8;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      border-color: var(--neon-cyan);
      box-shadow: 0 10px 25px rgba(0, 240, 255, 0.2);
    }

    .stat-val {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--neon-cyan);
      line-height: 1.2;
      margin-bottom: 6px;
      font-family: monospace, sans-serif;
    }

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

    /* 多模型生态展示条 */
    .model-strip {
      margin-top: 45px;
      padding: 20px;
      background: rgba(14, 19, 38, 0.65);
      border: 1px dashed rgba(0, 240, 255, 0.25);
      border-radius: var(--radius-md);
      text-align: left;
    }

    .model-strip-title {
      font-size: 0.86rem;
      color: var(--neon-cyan);
      margin-bottom: 12px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-tag-item {
      font-size: 0.75rem;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-sm);
      color: #cbd5e1;
      transition: var(--transition-smooth);
    }

    .model-tag-item:hover {
      border-color: var(--neon-lime);
      color: var(--neon-lime);
      background: rgba(16, 255, 160, 0.06);
    }

    /* 平台介绍卡片 */
    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition-smooth);
      position: relative;
    }

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

    .about-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      font-size: 1.25rem;
      margin-bottom: 18px;
    }

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

    .about-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 服务能力卡片矩阵 (全场景 AIGC) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 8px 24px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
    }

    .service-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .service-name {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--text-white);
    }

    .service-badge {
      font-size: 0.7rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(0, 240, 255, 0.1);
      color: var(--neon-cyan);
      border: 1px solid rgba(0, 240, 255, 0.3);
    }

    .service-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      padding-top: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .service-minitag {
      font-size: 0.72rem;
      color: #cbd5e1;
      background: rgba(255, 255, 255, 0.03);
      padding: 2px 6px;
      border-radius: 3px;
    }

    /* 一站式制作全自动流程图 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
    }

    .step-badge {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      color: #000;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      margin-bottom: 14px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }

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

    /* 对比评测高亮板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, rgba(14, 19, 38, 0.9) 0%, rgba(26, 17, 50, 0.9) 100%);
      border: 1px solid var(--neon-cyan);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

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

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      border: 3px solid var(--neon-cyan);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
      background: rgba(0, 240, 255, 0.05);
    }

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

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

    .eval-rec-meta h3 {
      font-size: 1.45rem;
      color: var(--text-white);
      margin-bottom: 6px;
    }

    .eval-stars {
      color: #ffb703;
      font-size: 1.2rem;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .eval-features-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      max-width: 580px;
    }

    .eval-feat-pill {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(0, 240, 255, 0.3);
      padding: 6px 14px;
      border-radius: var(--radius-xl);
      font-size: 0.85rem;
      color: var(--neon-lime);
    }

    /* 对比评测表格 */
    .table-container {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glow);
      background: var(--bg-card);
    }

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

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

    .eval-table th {
      background: rgba(14, 19, 38, 0.9);
      color: var(--neon-cyan);
      font-weight: 700;
      white-space: nowrap;
    }

    .eval-table tr:hover td {
      background: rgba(0, 240, 255, 0.02);
    }

    .eval-table .highlight-col {
      color: var(--neon-lime);
      font-weight: 600;
      background: rgba(16, 255, 160, 0.03);
    }

    /* 案例展示区 */
    .gallery-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      gap: 24px;
    }

    .case-banner-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
    }

    .case-banner-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: var(--shadow-neon);
    }

    .case-img-wrap {
      width: 100%;
      background: #000;
      overflow: hidden;
    }

    .case-info {
      padding: 22px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 客户评价板块 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition-smooth);
      position: relative;
    }

    .review-card:hover {
      border-color: var(--neon-purple);
      box-shadow: 0 6px 20px rgba(157, 78, 221, 0.15);
      transform: translateY(-3px);
    }

    .review-stars {
      color: #ffb703;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .review-quote {
      font-size: 0.9rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #000;
      font-size: 0.9rem;
    }

    .reviewer-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-white);
    }

    .reviewer-role {
      font-size: 0.78rem;
      color: var(--text-dim);
    }

    /* FAQ折叠手风琴 (不少于10条) */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
    }

    .faq-item.active {
      border-color: var(--border-glow);
      background: rgba(20, 28, 52, 0.9);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
      padding: 0 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 20px;
      transition: max-height 0.4s ease-in-out;
    }

    /* 文章与资讯列表 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .article-pill {
      background: var(--bg-card);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text-muted);
      transition: var(--transition-smooth);
    }

    .article-pill:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.05);
      transform: translateX(4px);
    }

    /* 需求表单与代理专区双列 */
    .contact-agent-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
    }

    .form-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    }

    .form-title {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }

    .form-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: #cbd5e1;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      background: rgba(7, 9, 19, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      color: #fff;
      font-size: 0.92rem;
      outline: none;
      transition: var(--transition-smooth);
    }

    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
    }

    select.form-control option {
      background: #0e1326;
      color: #fff;
    }

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

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-lime) 100%);
      color: #070913;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
      transition: var(--transition-smooth);
    }

    .form-submit-btn:hover {
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
      transform: translateY(-2px);
    }

    .agent-card {
      background: linear-gradient(145deg, rgba(14, 19, 38, 0.8) 0%, rgba(20, 28, 52, 0.8) 100%);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .agent-highlight {
      border-left: 3px solid var(--neon-lime);
      padding-left: 14px;
      margin-bottom: 20px;
    }

    .agent-highlight h4 {
      font-size: 1.15rem;
      color: var(--neon-lime);
      margin-bottom: 4px;
    }

    .agent-channels-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin: 24px 0;
    }

    .channel-box {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-sm);
      padding: 14px;
      text-align: center;
    }

    .channel-title {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .channel-val {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--neon-cyan);
    }

    .contact-qr-wrapper {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(0, 0, 0, 0.35);
      border: 1px dashed var(--border-glow);
    }

    .qr-img-box {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      overflow: hidden;
      background: #fff;
      flex-shrink: 0;
    }

    /* 友情链接板块 */
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      padding: 24px;
      background: var(--bg-surface);
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-md);
      margin-top: 50px;
    }

    .friend-label {
      font-size: 0.88rem;
      color: var(--neon-cyan);
      font-weight: 700;
      margin-right: 8px;
    }

    .friend-links-wrap a {
      font-size: 0.85rem;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-dim);
    }

    .friend-links-wrap a:hover {
      color: var(--neon-lime);
      border-color: var(--neon-lime);
    }

    /* 页脚 */
    .site-footer {
      background: #030408;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 45px 0 35px 0;
      color: var(--text-muted);
      font-size: 0.88rem;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .footer-copyright {
      color: var(--text-dim);
      font-size: 0.82rem;
    }

    /* 悬浮侧栏客服与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(14, 19, 38, 0.9);
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
      transition: var(--transition-smooth);
      position: relative;
    }

    .float-btn:hover {
      background: var(--neon-cyan);
      color: #000;
      transform: scale(1.08);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
    }

    .float-qr-pop {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 160px;
      background: #0e1326;
      border: 1px solid var(--neon-cyan);
      border-radius: var(--radius-md);
      padding: 12px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
      display: none;
      text-align: center;
    }

    .float-qr-pop p {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 2.2rem;
      }
      .services-grid, .about-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid, .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-agent-grid, .gallery-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .mobile-nav-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #070913;
        border-bottom: 1px solid var(--border-glow);
        padding: 20px;
      }
      .mobile-nav-open .nav-links li a {
        padding: 12px 16px;
      }
    }

    @media (max-width: 640px) {
      .hero-h1 {
        font-size: 1.8rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .services-grid, .about-grid, .reviews-grid, .hero-stats-grid, .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .agent-channels-grid {
        grid-template-columns: 1fr;
      }
    }