/* -------------------------------------------------------------
       基础变量与镭射幻彩风格系统 (Laser Holographic Iridescent Light)
    -------------------------------------------------------------- */
    :root {
      --bg-main: #f8fafc;
      --bg-card: rgba(255, 255, 255, 0.88);
      --bg-card-hover: rgba(255, 255, 255, 0.98);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-laser: rgba(147, 51, 234, 0.22);
      --border-laser-glow: rgba(56, 189, 248, 0.35);
      --laser-gradient: linear-gradient(135deg, #ec4899 0%, #8b5cf6 35%, #3b82f6 70%, #06b6d4 100%);
      --laser-glow: 0 10px 30px -10px rgba(139, 92, 246, 0.25);
      --laser-glow-lg: 0 20px 45px -15px rgba(236, 72, 153, 0.22);
      --card-radius: 18px;
      --pill-radius: 9999px;
      --transition: 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;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(at 15% 15%, rgba(236, 72, 153, 0.08) 0px, transparent 48%),
        radial-gradient(at 85% 10%, rgba(56, 189, 248, 0.1) 0px, transparent 52%),
        radial-gradient(at 50% 60%, rgba(139, 92, 246, 0.06) 0px, transparent 60%),
        radial-gradient(at 80% 85%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* 统一容器标准 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 镭射修饰元素通用样式 */
    .laser-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.09), rgba(59, 130, 246, 0.09));
      border: 1px solid var(--border-laser);
      border-radius: var(--pill-radius);
      font-size: 0.88rem;
      font-weight: 600;
      color: #7c3aed;
      backdrop-filter: blur(8px);
    }

    .laser-text {
      background: var(--laser-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    /* 统一卡片 */
    .laser-card {
      background: var(--bg-card);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--card-radius);
      box-shadow: 0 4px 20px -4px rgba(148, 163, 184, 0.15);
      backdrop-filter: blur(16px);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .laser-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--laser-gradient);
      opacity: 0;
      transition: var(--transition);
    }

    .laser-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--laser-glow);
      border-color: var(--border-laser-glow);
      background: var(--bg-card-hover);
    }

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

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 13px 28px;
      border-radius: var(--pill-radius);
      font-weight: 600;
      font-size: 0.98rem;
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: none;
      outline: none;
      white-space: nowrap;
    }

    .btn-laser-primary {
      background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #06b6d4 100%);
      color: #ffffff !important;
      box-shadow: 0 8px 24px -6px rgba(59, 130, 246, 0.45);
    }

    .btn-laser-primary:hover {
      box-shadow: 0 12px 30px -4px rgba(236, 72, 153, 0.5);
      transform: translateY(-2px);
      filter: brightness(1.06);
    }

    .btn-laser-outline {
      background: rgba(255, 255, 255, 0.9);
      color: var(--text-main) !important;
      border: 1px solid var(--border-laser);
      backdrop-filter: blur(8px);
    }

    .btn-laser-outline:hover {
      border-color: #8b5cf6;
      background: #ffffff;
      color: #7c3aed !important;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px -4px rgba(139, 92, 246, 0.2);
    }

    /* -------------------------------------------------------------
       顶部导航栏 Header
    -------------------------------------------------------------- */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }

    /* 满足规范要求：nav-links gap必须为0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
      margin: 0;
      padding: 0;
    }

    .nav-links li {
      display: inline-block;
    }

    .nav-links a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
      border-radius: 8px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #7c3aed;
      background: rgba(139, 92, 246, 0.08);
    }

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

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

    /* -------------------------------------------------------------
       首屏 Hero 区域 (根据规则：严禁出现任何图片资源)
    -------------------------------------------------------------- */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      text-align: center;
    }

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

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      margin: 22px 0 18px;
      letter-spacing: -1px;
      color: #0b1329;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 34px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 46px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 15px;
    }

    .hero-stat-card {
      padding: 22px 18px;
      text-align: center;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(226, 232, 240, 0.85);
      border-radius: 16px;
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 15px -3px rgba(148, 163, 184, 0.1);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 聚合大模型纯CSS光彩标签云 (首屏无图展示) */
    .model-spectrum-wrap {
      margin-top: 36px;
      padding: 20px 24px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px dashed var(--border-laser);
      border-radius: 16px;
      backdrop-filter: blur(8px);
    }

    .spectrum-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

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

    .model-tag {
      font-size: 0.82rem;
      font-weight: 600;
      padding: 5px 13px;
      border-radius: 20px;
      background: #ffffff;
      color: #334155;
      border: 1px solid #e2e8f0;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
      transition: var(--transition);
    }

    .model-tag:hover {
      border-color: #8b5cf6;
      color: #7c3aed;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
    }

    /* -------------------------------------------------------------
       通用板块排版规范
    -------------------------------------------------------------- */
    .section-spacing {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-top: 12px;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* -------------------------------------------------------------
       模块：平台介绍与关于我们 (About & Intro)
    -------------------------------------------------------------- */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .intro-feature-box {
      padding: 30px;
    }

    .intro-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(139, 92, 246, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: #7c3aed;
    }

    .intro-feature-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

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

    /* -------------------------------------------------------------
       模块：AIGC 核心服务与一站式制作场景 (Services Matrix)
    -------------------------------------------------------------- */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .scenario-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(139, 92, 246, 0.1);
      color: #7c3aed;
      align-self: flex-start;
      margin-bottom: 14px;
    }

    .scenario-card-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .scenario-card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .scenario-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .scenario-tags span {
      font-size: 0.78rem;
      padding: 3px 8px;
      background: #f1f5f9;
      color: #475569;
      border-radius: 4px;
    }

    /* -------------------------------------------------------------
       模块：行业方案与标准流程 (Workflow & Solutions)
    -------------------------------------------------------------- */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
      margin-bottom: 50px;
    }

    .workflow-node {
      padding: 24px 18px;
      text-align: center;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      position: relative;
    }

    .workflow-step-num {
      width: 38px;
      height: 38px;
      margin: 0 auto 14px;
      border-radius: 50%;
      background: var(--laser-gradient);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    }

    .workflow-node-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 服务网络卡片 */
    .network-banner {
      padding: 36px;
      background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(241,245,249,0.9));
      border: 1px solid var(--border-laser);
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .network-text-side {
      flex: 1;
    }

    .network-stats-side {
      display: flex;
      gap: 30px;
    }

    /* -------------------------------------------------------------
       模块：案例中心 (包含要求的图片展示)
    -------------------------------------------------------------- */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

    .case-banner-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .case-card-img-wrap {
      border-radius: 14px;
      overflow: hidden;
      background: #e2e8f0;
      margin-bottom: 16px;
      position: relative;
    }

    .case-card-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }

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

    .case-info {
      padding: 0 6px 6px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* -------------------------------------------------------------
       模块：对比评测板块 (严格满足五星、9.9分、各关键优势对比)
    -------------------------------------------------------------- */
    .eval-highlight-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.96));
      border: 1px solid var(--border-laser);
      border-radius: 24px;
      padding: 40px;
      box-shadow: var(--laser-glow-lg);
      margin-bottom: 36px;
      text-align: center;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.6rem;
      margin-bottom: 10px;
      letter-spacing: 4px;
    }

    .eval-score-num {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 10px;
    }

    .eval-score-sub {
      font-size: 1.05rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .table-responsive {
      overflow-x: auto;
      border-radius: 16px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 18px 22px;
      border-bottom: 1px solid #e2e8f0;
    }

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

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

    .comparison-table .highlight-col {
      background: rgba(139, 92, 246, 0.05);
      font-weight: 600;
      color: #7c3aed;
    }

    .check-yes {
      color: #10b981;
      font-weight: bold;
    }

    .check-no {
      color: #94a3b8;
    }

    /* -------------------------------------------------------------
       模块：Token 比价与智能需求匹配 (Token Cost & Agency)
    -------------------------------------------------------------- */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .token-card {
      padding: 24px;
      text-align: center;
    }

    .token-model-name {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .token-official-price {
      font-size: 0.88rem;
      color: #94a3b8;
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .token-platform-price {
      font-size: 1.55rem;
      font-weight: 800;
      color: #7c3aed;
      margin-bottom: 8px;
    }

    .token-discount-pill {
      display: inline-block;
      padding: 4px 10px;
      font-size: 0.78rem;
      font-weight: 700;
      background: rgba(236, 72, 153, 0.1);
      color: #ec4899;
      border-radius: 20px;
    }

    /* 加盟代理模块 */
    .agency-banner {
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.06), rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.06));
      border: 1px solid var(--border-laser);
      border-radius: 24px;
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .agency-perk-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.94rem;
      font-weight: 600;
      color: #334155;
    }

    /* -------------------------------------------------------------
       模块：用户真实口碑评论 (6条指定人群评论)
    -------------------------------------------------------------- */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-body {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

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

    .user-meta-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

    .user-meta-role {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* -------------------------------------------------------------
       模块：AI百科与行业资讯 (文章链接与动态标识)
    -------------------------------------------------------------- */
    .news-wiki-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .article-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .article-item {
      padding: 16px 0;
      border-bottom: 1px solid #f1f5f9;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .article-item:last-child {
      border-bottom: none;
    }

    .article-link {
      font-size: 0.96rem;
      font-weight: 600;
      color: var(--text-main);
      text-decoration: none;
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .article-link:hover {
      color: #7c3aed;
      transform: translateX(4px);
    }

    .article-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: #f1f5f9;
      color: #64748b;
      border-radius: 4px;
      white-space: nowrap;
    }

    /* -------------------------------------------------------------
       模块：FAQ 常见问题折叠面板 (>=10条)
    -------------------------------------------------------------- */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      margin-bottom: 14px;
      border-radius: 14px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--border-laser);
      box-shadow: 0 4px 18px -4px rgba(139, 92, 246, 0.15);
    }

    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      user-select: none;
    }

    .faq-header:hover {
      color: #7c3aed;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: #8b5cf6;
      transition: transform 0.3s ease;
    }

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

    .faq-body {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      display: none;
      border-top: 1px solid #f8fafc;
      padding-top: 14px;
    }

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

    /* -------------------------------------------------------------
       模块：联系我们与需求匹配表单 (Form action: ?s=index/submitForm)
    -------------------------------------------------------------- */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
    }

    .contact-info-panel {
      padding: 36px;
      background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(248,250,252,0.95));
      border: 1px solid var(--border-laser);
      border-radius: 24px;
    }

    .contact-qr-row {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 24px;
      padding: 20px;
      background: #ffffff;
      border-radius: 16px;
      border: 1px dashed #cbd5e1;
    }

    .contact-qr-row img {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      object-fit: cover;
    }

    .contact-form-panel {
      padding: 36px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 24px;
      box-shadow: 0 8px 30px -6px rgba(0,0,0,0.04);
    }

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

    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: #334155;
    }

    .form-control {
      width: 100%;
      padding: 13px 16px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: 10px;
      background: #f8fafc;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: #8b5cf6;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    }

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

    /* -------------------------------------------------------------
       友情链接区 (Friend Links)
    -------------------------------------------------------------- */
    .friend-links-box {
      margin-top: 40px;
      padding: 24px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      text-align: center;
    }

    .friend-links-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
    }

    .friend-links-list a {
      font-size: 0.9rem;
      color: #64748b;
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: #7c3aed;
      text-decoration: underline;
    }

    /* -------------------------------------------------------------
       页脚 Footer
    -------------------------------------------------------------- */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 40px 0 30px;
      color: var(--text-muted);
      font-size: 0.92rem;
    }

    .footer-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid #f1f5f9;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      padding-top: 24px;
      font-size: 0.86rem;
      color: #94a3b8;
    }

    /* -------------------------------------------------------------
       右侧浮动客服与快捷操作
    -------------------------------------------------------------- */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-laser);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #7c3aed;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

    .dock-btn:hover {
      background: var(--laser-gradient);
      color: #ffffff;
      transform: scale(1.08);
    }

    .dock-qr-popup {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 12px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.12);
      width: 140px;
      text-align: center;
      display: none;
      pointer-events: none;
    }

    .dock-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 6px;
    }

    .dock-qr-popup span {
      display: block;
      font-size: 0.75rem;
      color: #475569;
      margin-top: 6px;
    }

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

    /* -------------------------------------------------------------
       移动端自适应 Media Queries
    -------------------------------------------------------------- */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 2.15rem;
      }
      .platform-intro-grid,
      .scenario-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .case-banner-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .network-banner,
      .agency-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links a {
        display: block;
        padding: 12px 0;
        width: 100%;
      }
      .nav-action .btn {
        display: none;
      }
      .hero-h1 {
        font-size: 1.75rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .platform-intro-grid,
      .scenario-grid,
      .reviews-grid,
      .workflow-timeline,
      .token-grid,
      .news-wiki-grid,
      .agency-perks {
        grid-template-columns: 1fr;
      }
    }