:root {
      --primary: #059669;
      --primary-hover: #047857;
      --primary-light: #ecfdf5;
      --mint-accent: #10b981;
      --mint-glow: #d1fae5;
      --mint-subtle: #f0fdf4;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-mint: #a7f3d0;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 10px 25px -3px rgba(16, 185, 129, 0.15), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      font-size: 0.72rem;
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 999px;
      font-weight: 600;
      border: 1px solid var(--border-mint);
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-link-item {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      border-radius: var(--radius-sm);
    }

    .nav-link-item:hover {
      color: var(--primary);
      background-color: var(--mint-subtle);
    }

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

    .btn-nav-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #ffffff;
      padding: 9px 20px;
      border-radius: 999px;
      font-size: 0.92rem;
      font-weight: 600;
      border: none;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
    }

    .btn-nav-portal:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: all 0.3s ease;
    }

    /* 首屏 Hero (严格无图片，纯色/渐变/几何科技感) */
    .hero-section {
      padding: 70px 0 60px 0;
      background: linear-gradient(180deg, #ecfdf5 0%, #f8fafc 100%);
      border-bottom: 1px solid #e2e8f0;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid var(--border-mint);
      border-radius: 999px;
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 18px;
      box-shadow: var(--shadow-sm);
    }

    .hero-tag::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--mint-accent);
    }

    .hero-title {
      font-size: 2.35rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.8px;
    }

    .hero-desc {
      font-size: 1.08rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 32px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #ffffff;
      padding: 14px 34px;
      border-radius: 999px;
      font-size: 1.05rem;
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
      border: 1px solid var(--primary);
    }

    .btn-hero-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--text-main);
      padding: 14px 28px;
      border-radius: 999px;
      font-size: 1.02rem;
      font-weight: 600;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      border-color: var(--mint-accent);
      color: var(--primary);
      background: var(--mint-subtle);
    }

    .hero-badges-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .badge-pill {
      font-size: 0.8rem;
      background: #ffffff;
      color: var(--text-muted);
      border: 1px solid var(--border-color);
      padding: 5px 12px;
      border-radius: 6px;
    }

    /* 首屏纯CSS架构控制台卡片 (绝不使用图片) */
    .hero-console-panel {
      background: #ffffff;
      border: 1px solid var(--border-mint);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-hover);
      position: relative;
    }

    .console-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .console-dots {
      display: flex;
      gap: 6px;
    }

    .console-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #cbd5e1;
    }

    .console-dot.active {
      background: var(--mint-accent);
    }

    .console-title-text {
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--text-light);
    }

    .console-matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 16px;
    }

    .matrix-card {
      background: var(--mint-subtle);
      border: 1px solid #d1fae5;
      border-radius: var(--radius-sm);
      padding: 14px;
    }

    .matrix-title {
      font-size: 0.84rem;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .matrix-value {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
    }

    .matrix-sub {
      font-size: 0.72rem;
      color: #64748b;
    }

    .console-stream {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      padding: 12px;
      font-size: 0.78rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .stream-line {
      display: flex;
      justify-content: space-between;
      padding: 3px 0;
      border-bottom: 1px dashed #e2e8f0;
    }

    .stream-line:last-child {
      border-bottom: none;
    }

    /* 公共 Section 规范 */
    .section-wrap {
      padding: 75px 0;
      position: relative;
    }

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

    .section-eyebrow {
      display: inline-block;
      font-size: 0.84rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      border: 1px solid var(--border-mint);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-heading {
      font-size: 2.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subheading {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 数据指标条 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }

    .metric-item {
      text-align: center;
      border-right: 1px solid #f1f5f9;
    }

    .metric-item:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    /* 关于我们 (纯净排版 + 平台介绍) */
    .about-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .about-content-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }

    .about-text p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.75;
    }

    .highlight-badge-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .hl-badge-card {
      background: var(--mint-subtle);
      border: 1px solid var(--border-mint);
      padding: 16px;
      border-radius: var(--radius-sm);
    }

    .hl-badge-card strong {
      display: block;
      color: var(--text-main);
      font-size: 0.96rem;
      margin-bottom: 6px;
    }

    .hl-badge-card span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 模型矩阵徽章墙 */
    .models-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 22px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-main);
      transition: all 0.2s;
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--mint-subtle);
    }

    /* 业务场景卡片 (一站式制作与服务) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-mint);
      box-shadow: var(--shadow-hover);
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 1.15rem;
      margin-bottom: 16px;
    }

    .service-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-feature-tag {
      font-size: 0.76rem;
      background: #f1f5f9;
      color: var(--text-light);
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 行业案例展示 (有图片合规引入) */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
      align-items: center;
    }

    .showcase-media-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .showcase-media-box img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .showcase-media-box:hover img {
      transform: scale(1.02);
    }

    .showcase-info {
      padding: 24px;
    }

    .showcase-title {
      font-size: 1.18rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 对比评测模块 */
    .benchmark-wrap {
      background: #ffffff;
      border: 1px solid var(--border-mint);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .benchmark-score-banner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(90deg, var(--mint-subtle) 0%, #ffffff 100%);
      border: 1px solid var(--border-mint);
      border-radius: var(--radius-md);
      padding: 20px 28px;
      margin-bottom: 30px;
    }

    .score-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-badge {
      background: var(--primary);
      color: #ffffff;
      font-size: 1.5rem;
      font-weight: 800;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
    }

    .score-details h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .score-details p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .stars-indicator {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
    }

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

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

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

    .comparison-table tr:hover td {
      background: var(--mint-subtle);
    }

    .feature-name {
      font-weight: 600;
      color: var(--text-main);
    }

    .col-highlight {
      background: var(--primary-light);
      font-weight: 700;
      color: var(--primary);
      border-left: 2px solid var(--mint-accent);
      border-right: 2px solid var(--mint-accent);
    }

    /* 标准流程时间线 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      transition: all 0.3s ease;
    }

    .process-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .step-number {
      display: inline-block;
      width: 32px;
      height: 32px;
      line-height: 32px;
      background: var(--primary-light);
      color: var(--primary);
      text-align: center;
      border-radius: 50%;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 14px;
    }

    .step-title {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-tier-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

    .token-tier-card.featured {
      border: 2px solid var(--mint-accent);
      box-shadow: var(--shadow-hover);
      background: #ffffff;
    }

    .token-tag {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 999px;
    }

    .token-name {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .token-price-wrap {
      margin: 18px 0;
    }

    .token-currency {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary);
    }

    .token-amount {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
    }

    .token-unit {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    .token-specs {
      margin-bottom: 24px;
    }

    .token-specs li {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed #e2e8f0;
    }

    .btn-token-action {
      display: block;
      text-align: center;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 600;
      background: var(--mint-subtle);
      color: var(--primary);
      border: 1px solid var(--border-mint);
    }

    .token-tier-card.featured .btn-token-action {
      background: var(--primary);
      color: #ffffff;
      border: none;
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.25s ease;
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .review-quote {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.68;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      background: var(--primary-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    .author-meta h5 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-meta p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴面板 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s;
    }

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .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;
      background: #f8fafc;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 22px 24px;
      border-top: 1px solid #f1f5f9;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求表单与加盟代理 */
    .conversion-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: stretch;
    }

    .agent-card {
      background: linear-gradient(145deg, #ffffff 0%, var(--mint-subtle) 100%);
      border: 1px solid var(--border-mint);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .agent-title {
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .agent-points {
      margin: 20px 0;
    }

    .agent-points li {
      font-size: 0.94rem;
      color: var(--text-muted);
      padding: 8px 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .agent-points li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 800;
    }

    .form-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.94rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s;
      background: #f8fafc;
      color: var(--text-main);
    }

    .form-control:focus {
      border-color: var(--mint-accent);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px 20px;
      background: var(--primary);
      color: #ffffff;
      border: none;
      border-radius: 999px;
      font-size: 1.02rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
      transition: background 0.25s;
    }

    .btn-submit:hover {
      background: var(--primary-hover);
    }

    /* 行业资讯与短代码文章区域 */
    .news-section-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px;
    }

    .news-links-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .news-item-anchor {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    .news-item-anchor:hover {
      border-color: var(--mint-accent);
      color: var(--primary);
      background: var(--mint-subtle);
    }

    /* 底部专属 Footer */
    .site-footer {
      background: #0f172a;
      color: #e2e8f0;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

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

    .footer-col p {
      font-size: 0.88rem;
      color: #94a3b8;
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: #cbd5e1;
      margin-bottom: 8px;
    }

    .footer-qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 14px;
    }

    .footer-qr-img {
      width: 90px;
      height: 90px;
      background: #ffffff;
      padding: 4px;
      border-radius: var(--radius-sm);
    }

    .footer-qr-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 0.82rem;
      color: #64748b;
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-box a {
      color: #94a3b8;
    }

    .friend-links-box a:hover {
      color: var(--mint-accent);
    }

    /* 悬浮客服面板 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .kefu-btn-main {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(5, 150, 105, 0.4);
      cursor: pointer;
      font-weight: 700;
      font-size: 0.82rem;
      border: 2px solid #ffffff;
      transition: transform 0.25s;
    }

    .kefu-btn-main:hover {
      transform: scale(1.08);
      background: var(--primary-hover);
    }

    .kefu-hover-popup {
      position: absolute;
      bottom: 60px;
      right: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-hover);
      padding: 16px;
      border-radius: var(--radius-md);
      text-align: center;
      display: none;
      width: 170px;
    }

    .floating-kefu:hover .kefu-hover-popup {
      display: block;
    }

    .kefu-hover-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      display: block;
      margin-bottom: 8px;
    }

    .kefu-hover-popup span {
      font-size: 0.78rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .token-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-content-grid, .showcase-grid, .conversion-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.is-active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-link-item {
        width: 100%;
        padding: 10px 0;
      }
      .mobile-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .services-grid, .token-grid, .reviews-grid, .process-grid, .metrics-bar {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid #f1f5f9;
        padding-bottom: 12px;
      }
      .metric-item:last-child {
        border-bottom: none;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
      }
      .btn-hero-primary, .btn-hero-secondary {
        text-align: center;
      }
    }