:root {
      --bg-base: #f8fafc;
      --bg-surface: #ffffff;
      --bg-card: rgba(255, 255, 255, 0.92);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #06b6d4;
      --neon-purple: #8b5cf6;
      --neon-pink: #ec4899;
      --neon-green: #10b981;
      --neon-amber: #f59e0b;
      --neon-gradient: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #ec4899 100%);
      --neon-glow: 0 10px 30px -10px rgba(139, 92, 246, 0.35);
      --border-color: #e2e8f0;
      --border-neon: rgba(139, 92, 246, 0.25);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* 炫彩荧光氛围顶底背景 */
    body::before {
      content: "";
      position: fixed;
      top: -20%;
      left: 10%;
      width: 80vw;
      height: 80vh;
      background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 45%, rgba(236, 72, 153, 0.03) 70%, transparent 80%);
      filter: blur(80px);
      z-index: -1;
      pointer-events: none;
    }

    body::after {
      content: "";
      position: fixed;
      bottom: -10%;
      right: 5%;
      width: 60vw;
      height: 60vh;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, rgba(139, 92, 246, 0.06) 50%, transparent 75%);
      filter: blur(90px);
      z-index: -1;
      pointer-events: none;
    }

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
      box-sizing: border-box;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

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

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

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: var(--neon-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      white-space: nowrap;
    }

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

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

    .nav-links li a {
      display: block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--neon-purple);
      background: rgba(139, 92, 246, 0.08);
    }

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

    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--neon-gradient);
      border: none;
      border-radius: 9999px;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
      transition: var(--transition);
      cursor: pointer;
      position: relative;
      overflow: hidden;
      white-space: nowrap;
    }

    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(236, 72, 153, 0.45);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    /* 区域统一标准间距 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

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

    .section-badge {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--neon-purple);
      background: rgba(139, 92, 246, 0.1);
      border: 1px solid rgba(139, 92, 246, 0.25);
      border-radius: 9999px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO（严格不出图片） */
    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #0f172a;
      background: #ffffff;
      border: 1px solid rgba(6, 182, 212, 0.35);
      border-radius: 9999px;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.15);
      margin-bottom: 24px;
    }

    .hero-tag span {
      width: 8px;
      height: 8px;
      background: var(--neon-cyan);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--neon-cyan);
      display: inline-block;
    }

    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      letter-spacing: -1px;
      color: var(--text-main);
      margin-bottom: 22px;
      line-height: 1.2;
    }

    .hero-title .highlight {
      background: var(--neon-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 740px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

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

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 9999px;
      text-decoration: none;
      transition: var(--transition);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }

    .btn-outline:hover {
      border-color: var(--neon-purple);
      color: var(--neon-purple);
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 30px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 4px;
      background: linear-gradient(135deg, #0f172a, #6366f1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    /* 多模型能力展示横幅 */
    .model-pills-bar {
      margin-top: 40px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    }

    .model-pills-title {
      font-size: 0.86rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 12px;
      text-align: center;
    }

    .pills-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-pill {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 6px;
      background: #f1f5f9;
      color: #334155;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-pill:hover {
      background: #ede9fe;
      color: #6d28d9;
      border-color: #c4b5fd;
    }

    /* 平台介绍板块 (关于我们) */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .intro-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .intro-card:hover {
      transform: translateY(-5px);
      border-color: rgba(6, 182, 212, 0.4);
      box-shadow: 0 12px 30px rgba(6, 182, 212, 0.12);
    }

    .intro-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: var(--neon-purple);
    }

    .intro-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .intro-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* AIGC 服务与场景应用 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      border-color: var(--border-neon);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(139, 92, 246, 0.08);
    }

    .service-badge {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #eff6ff;
      color: #2563eb;
      margin-bottom: 12px;
    }

    .service-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      flex-grow: 1;
    }

    /* 制作标准流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .flow-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .flow-card:hover {
      transform: translateY(-4px);
      border-color: var(--neon-cyan);
      box-shadow: 0 8px 20px rgba(6, 182, 212, 0.1);
    }

    .flow-num {
      width: 36px;
      height: 36px;
      margin: 0 auto 14px auto;
      border-radius: 50%;
      background: var(--neon-gradient);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .flow-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .flow-card p {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 对比评测 - 突出 9.9 分与五星推荐 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #ffffff 0%, #f3f0ff 100%);
      border: 2px solid rgba(139, 92, 246, 0.35);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: 0 10px 30px rgba(139, 92, 246, 0.08);
    }

    .eval-meta {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .eval-score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: var(--neon-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(236, 72, 153, 0.3);
    }

    .eval-score-num {
      font-size: 2rem;
      font-weight: 900;
      line-height: 1;
    }

    .eval-score-sub {
      font-size: 0.72rem;
      opacity: 0.9;
    }

    .eval-info h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .eval-info p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 720px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 18px 22px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

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

    .comparison-table th.primary-col {
      background: #f5f3ff;
      color: var(--neon-purple);
      font-weight: 800;
      border-left: 2px solid var(--neon-purple);
      border-right: 2px solid var(--neon-purple);
    }

    .comparison-table td.primary-col {
      background: rgba(245, 243, 255, 0.4);
      font-weight: 700;
      color: #4338ca;
      border-left: 2px solid var(--neon-purple);
      border-right: 2px solid var(--neon-purple);
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .token-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }

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

    .token-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 999px;
      background: #ecfdf5;
      color: #059669;
      margin-bottom: 12px;
    }

    .token-model-name {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price-wrap {
      margin: 16px 0;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: #dc2626;
    }

    .token-original {
      font-size: 0.85rem;
      color: var(--text-light);
      text-decoration: line-through;
      margin-left: 6px;
    }

    .token-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 案例中心展示（首屏外图文） */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
      border-color: var(--border-neon);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #e2e8f0;
      position: relative;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

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

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-info h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .case-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .case-tag {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #475569;
    }

    /* 6条真实用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card:hover {
      border-color: var(--neon-purple);
      box-shadow: 0 10px 25px rgba(139, 92, 246, 0.08);
      transform: translateY(-4px);
    }

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .review-content {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: normal;
    }

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

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #06b6d4, #8b5cf6);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      flex-shrink: 0;
    }

    .author-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 50%, #eff6ff 100%);
      border: 1px solid rgba(139, 92, 246, 0.3);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: 0 12px 35px rgba(139, 92, 246, 0.06);
    }

    .partner-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .partner-info h3 {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .partner-info p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .partner-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 28px;
    }

    .perk-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .perk-dot {
      width: 8px;
      height: 8px;
      background: var(--neon-pink);
      border-radius: 50%;
    }

    .partner-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
    }

    .partner-box h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .partner-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
      outline: none;
    }

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

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      background: var(--neon-gradient);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(139, 92, 246, 0.35);
      transition: var(--transition);
    }

    .form-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(236, 72, 153, 0.45);
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--neon-purple);
      box-shadow: 0 4px 15px rgba(139, 92, 246, 0.08);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafaf9;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 20px 24px;
      border-top: 1px solid #f1f5f9;
    }

    /* 行业资讯与短代码承载 */
    .articles-block {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-top: 30px;
    }

    .articles-links-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .article-pill-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      text-decoration: none;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      transition: var(--transition);
    }

    .article-pill-link:hover {
      color: var(--neon-purple);
      border-color: var(--neon-purple);
      background: #fdf4ff;
    }

    /* 联系我们与二维码 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      background: var(--bg-surface);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-icon {
      font-size: 1.3rem;
      color: var(--neon-purple);
      margin-top: 2px;
    }

    .contact-detail h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }

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

    .contact-qr-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
    }

    .contact-qr-img {
      max-width: 170px;
      height: auto;
      border-radius: var(--radius-md);
      border: 2px solid #ede9fe;
      margin-bottom: 16px;
    }

    /* 页脚设计与友情链接 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-muted);
      position: relative;
    }

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

    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 12px;
      line-height: 1.6;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

    .footer-col ul li a {
      font-size: 0.88rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--neon-purple);
    }

    .friend-links-box {
      border-top: 1px solid var(--border-color);
      padding: 24px 0;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .friend-links-box a {
      font-size: 0.84rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-box a:hover {
      color: var(--neon-purple);
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

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

    .cs-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: var(--neon-purple);
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
    }

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

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.6rem;
      }
      .services-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        display: none;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-menu.show {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 10px;
        width: 100%;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-desc {
        font-size: 1.05rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .services-grid,
      .cases-grid,
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .partner-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .section-block {
        padding: 50px 0;
      }
    }