:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --neon-cyan: #06b6d4;
      --neon-purple: #8b5cf6;
      --neon-pink: #ec4899;
      --neon-blue: #2563eb;
      --border-light: rgba(148, 163, 184, 0.25);
      --gradient-neon: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
      --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #ec4899 50%, #8b5cf6 100%);
      --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.2);
      --glow-purple: 0 0 20px rgba(139, 92, 246, 0.2);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-w: 1200px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
      background-attachment: fixed;
    }

    .container {
      width: 100%;
      max-width: var(--container-w);
      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, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(6, 182, 212, 0.18);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    }

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

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

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

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

    .brand-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 999px;
      background: var(--gradient-neon);
      color: #ffffff;
      font-weight: 600;
      display: inline-block;
    }

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

    .nav-item a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 6px;
      transition: var(--transition);
      display: inline-block;
    }

    .nav-item a:hover {
      color: var(--neon-blue);
      background: rgba(37, 99, 235, 0.06);
    }

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

    .btn-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: 999px;
      background: var(--gradient-neon);
      color: #ffffff;
      font-size: 0.92rem;
      font-weight: 600;
      text-decoration: none;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
      transition: var(--transition);
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 18px;
      border-radius: 999px;
      background: #ffffff;
      color: var(--neon-blue);
      font-size: 0.92rem;
      font-weight: 600;
      text-decoration: none;
      border: 1px solid var(--neon-blue);
      transition: var(--transition);
    }

    .btn-outline:hover {
      background: rgba(37, 99, 235, 0.05);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-light);
      padding: 6px 10px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 1.2rem;
    }

    /* 区域通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 52px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(6, 182, 212, 0.1);
      border: 1px solid rgba(6, 182, 212, 0.25);
      color: #0891b2;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* Hero 首屏 - 无图片，纯CSS与科技质感 */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.6) 100%);
      border-bottom: 1px solid rgba(148, 163, 184, 0.15);
      position: relative;
      overflow: hidden;
    }

    .hero-badge-wrap {
      text-align: center;
      margin-bottom: 24px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(139, 92, 246, 0.3);
      box-shadow: 0 4px 15px rgba(139, 92, 246, 0.12);
      border-radius: 999px;
      font-size: 0.88rem;
      color: #6d28d9;
      font-weight: 600;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .hero-title {
      text-align: center;
      font-size: 2.85rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      text-align: center;
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 999px;
      background: var(--gradient-neon);
      color: #ffffff;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
      transition: var(--transition);
      border: 2px solid rgba(255, 255, 255, 0.4);
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(6, 182, 212, 0.6);
      color: #ffffff;
    }

    .btn-hero-secondary {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: 999px;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid rgba(148, 163, 184, 0.4);
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      transform: translateY(-2px);
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1060px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      border: 1px solid rgba(6, 182, 212, 0.2);
      box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04);
      position: relative;
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 30px rgba(6, 182, 212, 0.15);
      border-color: var(--neon-cyan);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      background: var(--gradient-neon);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
      display: inline-block;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台矩阵标签条 */
    .model-strip {
      padding: 30px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
    }

    .model-strip-title {
      text-align: center;
      font-size: 0.88rem;
      font-weight: 700;
      color: #64748b;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-chip {
      padding: 6px 14px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-main);
      background: #f1f5f9;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.2);
      transition: var(--transition);
    }

    .model-chip:hover {
      background: rgba(6, 182, 212, 0.1);
      color: #0891b2;
      border-color: var(--neon-cyan);
    }

    /* 关于我们 & 平台介绍 */
    .about-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 44px;
      box-shadow: 0 16px 36px rgba(15, 23, 42, 0.05);
      margin-bottom: 40px;
    }

    .about-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 36px;
    }

    .about-feat-item {
      padding: 24px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--neon-blue);
      transition: var(--transition);
    }

    .about-feat-item:hover {
      background: #ffffff;
      box-shadow: 0 10px 24px rgba(37, 99, 235, 0.1);
      transform: translateY(-3px);
    }

    .about-feat-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .about-feat-item p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 服务能力卡片 (AIGC服务 & 一站式制作) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid rgba(148, 163, 184, 0.22);
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient-neon);
      opacity: 0;
      transition: var(--transition);
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 32px rgba(6, 182, 212, 0.16);
      border-color: rgba(6, 182, 212, 0.4);
    }

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

    .service-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: bold;
      margin-bottom: 18px;
    }

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

    .service-desc {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.78rem;
      font-weight: 600;
      background: #f1f5f9;
      color: #475569;
    }

    /* 行业方案展示与视觉素材图 */
    .industry-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 48px;
    }

    .media-frame {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
      background: #ffffff;
      position: relative;
    }

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

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

    .solution-list {
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .solution-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background: #ffffff;
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    }

    .solution-item-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: #10b981;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .solution-item-text h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

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

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

    .flow-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px 20px;
      border: 1px solid var(--border-light);
      box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
      position: relative;
      transition: var(--transition);
    }

    .flow-card:hover {
      transform: translateY(-4px);
      border-color: var(--neon-purple);
      box-shadow: 0 12px 26px rgba(139, 92, 246, 0.15);
    }

    .step-badge {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--gradient-neon);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .flow-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .flow-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测板块 */
    .review-score-banner {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 34px;
      border: 1px solid rgba(6, 182, 212, 0.25);
      box-shadow: 0 16px 36px rgba(6, 182, 212, 0.08);
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 36px;
      text-align: center;
    }

    .score-box h3 {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .score-val {
      font-size: 2.8rem;
      font-weight: 900;
      color: #0891b2;
      line-height: 1;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
      margin-top: 4px;
    }

    .compare-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow-x: auto;
      box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .compare-table th, .compare-table td {
      padding: 18px 20px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.15);
      font-size: 0.95rem;
    }

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

    .compare-table th.highlight, .compare-table td.highlight {
      background: rgba(6, 182, 212, 0.04);
      color: #0891b2;
      font-weight: 700;
    }

    /* Token 比价与代理算力 */
    .token-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      border: 1px solid var(--border-light);
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
      display: flex;
      flex-direction: column;
      text-align: center;
      transition: var(--transition);
    }

    .token-card.featured {
      border: 2px solid var(--neon-cyan);
      box-shadow: 0 14px 34px rgba(6, 182, 212, 0.2);
      transform: scale(1.03);
    }

    .token-card-tag {
      display: inline-block;
      align-self: center;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
      font-size: 0.8rem;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .token-card h3 {
      font-size: 1.3rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 0.9rem;
      font-weight: normal;
      color: var(--text-muted);
    }

    .token-features {
      list-style: none;
      margin-bottom: 24px;
      text-align: left;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.8;
      flex-grow: 1;
    }

    .token-features li {
      padding-left: 20px;
      position: relative;
    }

    .token-features li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #10b981;
      font-weight: bold;
    }

    /* 客户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-light);
      box-shadow: 0 6px 18px rgba(15, 23, 42, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
      border-color: rgba(6, 182, 212, 0.4);
    }

    .review-text {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(148, 163, 184, 0.15);
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--gradient-neon);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--neon-cyan);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--neon-blue);
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #f8fafc;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.65;
    }

    .faq-item.active .faq-answer {
      padding: 16px 22px 20px;
      max-height: 300px;
    }

    /* 表单与需求匹配 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-light);
      box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(148, 163, 184, 0.35);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--neon-cyan);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
    }

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

    .contact-info-panel {
      background: #f8fafc;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid rgba(148, 163, 184, 0.2);
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-info-panel h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.93rem;
      color: var(--text-muted);
    }

    .contact-list strong {
      color: var(--text-main);
    }

    .qr-container {
      margin-top: 10px;
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px dashed rgba(6, 182, 212, 0.4);
      max-width: 220px;
      margin-left: auto;
      margin-right: auto;
    }

    .qr-container img {
      width: 140px;
      height: 140px;
      object-fit: cover;
      display: block;
      margin: 0 auto 8px;
    }

    .qr-container span {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: block;
    }

    /* 行业资讯与文章 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .article-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      padding: 20px;
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 12px rgba(0,0,0,0.02);
      transition: var(--transition);
      display: block;
      text-decoration: none;
    }

    .article-item:hover {
      transform: translateY(-3px);
      border-color: var(--neon-cyan);
      box-shadow: 0 8px 20px rgba(6, 182, 212, 0.12);
    }

    .article-item h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .article-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid rgba(148, 163, 184, 0.2);
      padding: 50px 0 24px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friend-links-box a {
      color: var(--text-muted);
      text-decoration: none;
      background: #f1f5f9;
      padding: 5px 12px;
      border-radius: 4px;
      font-size: 0.84rem;
      transition: var(--transition);
    }

    .friend-links-box a:hover {
      color: var(--neon-blue);
      background: rgba(37, 99, 235, 0.08);
    }

    .footer-bottom {
      border-top: 1px solid rgba(148, 163, 184, 0.15);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.85rem;
    }

    .footer-bottom a {
      color: var(--neon-blue);
      text-decoration: none;
    }

    /* 浮动客服入口 & 返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid rgba(6, 182, 212, 0.3);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      text-decoration: none;
      color: var(--text-main);
      font-weight: bold;
      font-size: 1.1rem;
      transition: var(--transition);
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .about-features-grid { grid-template-columns: 1fr; }
      .industry-container { grid-template-columns: 1fr; }
      .flow-steps { grid-template-columns: repeat(2, 1fr); }
      .token-pricing-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .contact-wrapper { grid-template-columns: 1fr; }
      .article-links-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
      }
      .nav-links.show { display: flex; }
      .hero-title { font-size: 1.85rem; }
      .hero-subtitle { font-size: 1rem; }
      .services-grid { grid-template-columns: 1fr; }
      .flow-steps { grid-template-columns: 1fr; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .nav-actions .btn-outline { display: none; }
    }