:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-card-glass: rgba(255, 255, 255, 0.85);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #4f46e5;
      --primary-glow: #6366f1;
      --neon-cyan: #06b6d4;
      --neon-pink: #ec4899;
      --neon-purple: #8b5cf6;
      --neon-amber: #f59e0b;
      --border-color: #e2e8f0;
      --neon-border: linear-gradient(135deg, #06b6d4, #8b5cf6, #ec4899);
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 24px rgba(99, 102, 241, 0.08);
      --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.08);
      --shadow-neon: 0 0 20px rgba(99, 102, 241, 0.2);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 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, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 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% 10%, rgba(6, 182, 212, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 25%, rgba(236, 72, 153, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 75%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
      background-attachment: fixed;
    }

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

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

    /* 顶部导航 */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      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-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap {
      max-width: 140px;
      height: 40px;
      display: flex;
      align-items: center;
    }

    .brand-logo-wrap img {
      max-height: 36px;
      width: auto;
      object-fit: contain;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.06);
    }

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

    .btn-neon-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #ffffff !important;
      background: linear-gradient(135deg, #06b6d4, #6366f1, #ec4899);
      background-size: 200% 200%;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      animation: neonShift 6s ease infinite;
    }

    .btn-neon-glow:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
    }

    .btn-outline-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 18px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-outline-neon:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(99, 102, 241, 0.04);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Section 通用规范 */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .badge-neon {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      color: var(--primary);
      background: linear-gradient(90deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
      border: 1px solid rgba(99, 102, 241, 0.25);
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 Hero (严禁出现图片) */
    .hero-section {
      padding: 90px 0 80px;
      text-align: center;
      position: relative;
    }

    .hero-container {
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      box-shadow: 0 2px 10px rgba(99, 102, 241, 0.08);
      margin-bottom: 24px;
    }

    .hero-tagline .dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-h1 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-main);
      letter-spacing: -1px;
    }

    .hero-h1 .neon-accent {
      background: linear-gradient(135deg, #0284c7 0%, #6366f1 50%, #d946ef 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-actions .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #06b6d4, #4f46e5, #ec4899);
      background-size: 200% 200%;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
      animation: neonShift 6s ease infinite;
    }

    .hero-actions .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(236, 72, 153, 0.5);
    }

    .hero-actions .btn-hero-secondary {
      padding: 14px 30px;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
    }

    .hero-actions .btn-hero-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #fafafa;
    }

    /* 纯 CSS 视觉亮点卡片组 (无图) */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .metric-card {
      background: var(--bg-card);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: left;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--neon-border);
      opacity: 0;
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

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

    .metric-card .num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-card .num span {
      font-size: 1rem;
      color: var(--primary);
      font-weight: 700;
    }

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

    /* 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .about-text h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 0.96rem;
      line-height: 1.7;
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: rgba(99, 102, 241, 0.03);
      border: 1px solid rgba(99, 102, 241, 0.1);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
    }

    .highlight-item .icon {
      font-size: 1.1rem;
      color: var(--primary);
      line-height: 1;
    }

    .highlight-item .text h4 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .highlight-item .text p {
      font-size: 0.8rem;
      color: var(--text-light);
      margin: 0;
      line-height: 1.4;
    }

    .about-model-wall {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .about-model-wall h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    .model-tag {
      display: inline-block;
      padding: 6px 12px;
      font-size: 0.82rem;
      font-weight: 600;
      background: #f1f5f9;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 4px 10px rgba(99, 102, 241, 0.15);
    }

    /* 服务能力卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      border-color: rgba(99, 102, 241, 0.4);
      box-shadow: var(--shadow-md);
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
      margin-bottom: 14px;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 行业解决方案与一站式制作 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 20px;
    }

    .step-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .step-box:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .step-number {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: linear-gradient(135deg, #06b6d4, #6366f1);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    }

    .step-box h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-box p {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .showcase-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .showcase-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .showcase-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .showcase-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .showcase-card:hover .showcase-img-wrap img {
      transform: scale(1.04);
    }

    .showcase-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .showcase-info h3 {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .showcase-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
      flex-grow: 1;
    }

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

    .showcase-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: #f8fafc;
      color: var(--text-muted);
      border-radius: 4px;
      border: 1px solid #e2e8f0;
    }

    /* 对比评测模块 */
    .compare-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .rating-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 28px;
      margin-bottom: 28px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .score-badge {
      font-size: 2.4rem;
      font-weight: 900;
      color: #ffffff;
      background: linear-gradient(135deg, #06b6d4, #6366f1);
      padding: 10px 20px;
      border-radius: var(--radius-md);
      display: inline-flex;
      align-items: baseline;
      gap: 4px;
      box-shadow: 0 6px 18px rgba(99, 102, 241, 0.3);
    }

    .score-badge span {
      font-size: 1.1rem;
      opacity: 0.85;
      font-weight: 600;
    }

    .stars-text h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stars-text p {
      font-size: 0.9rem;
      color: #f59e0b;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 6px;
    }

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

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

    .compare-table th, .compare-table td {
      padding: 16px 18px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .compare-table td:nth-child(2) {
      background: rgba(99, 102, 241, 0.03);
      font-weight: 600;
      color: var(--primary);
      border-left: 1px solid rgba(99, 102, 241, 0.1);
      border-right: 1px solid rgba(99, 102, 241, 0.1);
    }

    .compare-tag-yes {
      color: #10b981;
      font-weight: 700;
    }

    .compare-tag-no {
      color: #94a3b8;
    }

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

    .pricing-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.popular {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
      transform: scale(1.02);
    }

    .popular-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: linear-gradient(135deg, #06b6d4, #ec4899);
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      box-shadow: 0 2px 8px rgba(236, 72, 153, 0.4);
    }

    .pricing-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      margin: 16px 0;
    }

    .pricing-price span {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 500;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .pricing-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-features li::before {
      content: "✓";
      color: #10b981;
      font-weight: 800;
    }

    /* 用户评论 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .testimonial-quote {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
      position: relative;
    }

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

    .user-avatar-badge {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1, #06b6d4);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .user-meta h4 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-question .toggle-icon {
      font-size: 1.2rem;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      padding: 0 22px;
      background: #fafafa;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px 20px;
      transition: max-height 0.3s ease-in-out;
    }

    .faq-answer p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 需求匹配与联系我们表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-col h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .contact-info-col p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-details {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-details li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-main);
    }

    .contact-details .label-tag {
      font-weight: 600;
      color: var(--primary);
      min-width: 80px;
    }

    .qr-box-wrap {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: 16px;
      background: #f8fafc;
      border: 1px dashed var(--primary);
      border-radius: var(--radius-md);
      max-width: 170px;
    }

    .qr-box-wrap img {
      width: 130px;
      height: 130px;
      object-fit: cover;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .qr-box-wrap span {
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 表单组件 */
    .form-col form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 0.92rem;
      color: var(--text-main);
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    .btn-submit {
      padding: 12px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #06b6d4, #4f46e5);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
      transition: var(--transition);
      margin-top: 6px;
    }

    .btn-submit:hover {
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
      transform: translateY(-1px);
    }

    /* 最新文章与行业资讯 */
    .articles-links-box {
      background: #f1f5f9;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }

    .articles-links-box h4 {
      font-size: 0.96rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .article-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .article-tag-item {
      font-size: 0.84rem;
      color: var(--primary);
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .article-tag-item:hover {
      border-color: var(--primary);
      background: rgba(99, 102, 241, 0.05);
    }

    /* 友情链接 */
    .friendly-links-section {
      padding: 30px 0;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .friendly-links-wrap {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.85rem;
    }

    .friendly-links-wrap .title {
      font-weight: 700;
      color: var(--text-main);
      margin-right: 6px;
    }

    .friendly-links-wrap a {
      color: var(--text-muted);
      padding: 4px 10px;
      background: #f8fafc;
      border-radius: 4px;
      border: 1px solid #f1f5f9;
    }

    .friendly-links-wrap a:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 24px;
      font-size: 0.88rem;
    }

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

    .footer-col h4 {
      color: #f8fafc;
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col p {
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .footer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-nav-list a {
      color: #94a3b8;
    }

    .footer-nav-list a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.82rem;
    }

    /* 悬浮客服挂件与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.2rem;
      color: var(--text-main);
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .float-kefu-panel {
      position: absolute;
      right: 56px;
      bottom: 0;
      width: 200px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      display: none;
      text-align: center;
    }

    .float-kefu-panel img {
      width: 140px;
      height: 140px;
      margin-bottom: 8px;
    }

    .float-kefu:hover .float-kefu-panel {
      display: block;
    }

    /* 关键帧动画 */
    @keyframes neonShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .services-grid, .showcase-grid, .token-pricing-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        position: relative;
      }
      .nav-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .services-grid, .showcase-grid, .token-pricing-grid, .testimonials-grid, .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .pricing-card.popular {
        transform: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .header-actions {
        display: none;
      }
    }