:root {
      --primary: #FFE500;
      --primary-dark: #F59E0B;
      --primary-hover: #FFF04D;
      --bg-main: #FAF9F5;
      --bg-card: #FFFFFF;
      --text-main: #18181B;
      --text-muted: #52525B;
      --border-color: #E4E4E7;
      --accent-black: #111113;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 6px 18px rgba(0,0,0,0.06);
      --shadow-yellow: 0 10px 25px rgba(255, 229, 0, 0.4);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--primary);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-area .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .brand-title-badge {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-black);
      letter-spacing: -0.5px;
    }
    .brand-title-badge span {
      background-color: var(--primary);
      padding: 2px 6px;
      border-radius: 4px;
      margin-left: 4px;
      font-size: 0.85rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .nav-links li a:hover {
      background-color: var(--primary);
      color: var(--accent-black);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      border: 2px solid transparent;
      white-space: nowrap;
    }
    .btn-primary-yellow {
      background-color: var(--primary);
      color: var(--accent-black);
      border-color: #E2CC00;
      box-shadow: 0 4px 12px rgba(255, 229, 0, 0.35);
    }
    .btn-primary-yellow:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-yellow);
    }
    .btn-dark {
      background-color: var(--accent-black);
      color: #FFFFFF;
    }
    .btn-dark:hover {
      background-color: #27272A;
      transform: translateY(-2px);
    }
    .btn-outline {
      border: 2px solid var(--accent-black);
      background: transparent;
      color: var(--accent-black);
    }
    .btn-outline:hover {
      background: var(--accent-black);
      color: #FFFFFF;
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--accent-black);
    }

    /* 章节通用 */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .section-tag {
      display: inline-block;
      background: var(--primary);
      color: var(--accent-black);
      font-size: 0.85rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero */
    .hero-section {
      background: linear-gradient(180deg, #FFFDE8 0%, var(--bg-main) 100%);
      padding: 85px 0 70px;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
    }
    .hero-content {
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 2px solid var(--primary);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }
    .hero-badge .dot {
      width: 10px;
      height: 10px;
      background-color: var(--primary-dark);
      border-radius: 50%;
      display: inline-block;
      animation: pulseDot 1.6s infinite;
    }
    @keyframes pulseDot {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }
    h1.hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }
    .hero-title mark {
      background: var(--primary);
      color: var(--accent-black);
      padding: 0 8px;
      border-radius: 6px;
    }
    .hero-subtext {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.8;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      margin-bottom: 45px;
      flex-wrap: wrap;
    }
    .hero-cta-group .btn-hero-large {
      padding: 16px 36px;
      font-size: 1.15rem;
      border-radius: var(--radius-md);
      font-weight: 800;
    }
    .hero-tags-box {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 850px;
      margin: 0 auto;
    }
    .hero-tag-item {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      color: var(--text-main);
      font-weight: 600;
      transition: all 0.2s;
    }
    .hero-tag-item:hover {
      border-color: var(--primary);
      background: #FFFDE6;
      transform: translateY(-2px);
    }

    /* 数据指标区 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--primary);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .metric-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 6px;
    }
    .metric-num span {
      color: var(--primary-dark);
      font-size: 1.4rem;
    }
    .metric-label {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 服务能力卡片 */
    .service-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: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: 0 12px 24px rgba(255, 229, 0, 0.2);
    }
    .service-icon-box {
      width: 48px;
      height: 48px;
      background: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 18px;
    }
    .service-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 12px;
    }
    .service-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .service-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .service-mini-tag {
      font-size: 0.8rem;
      background: #F4F4F5;
      color: #3F3F46;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 模型支持墙 */
    .model-chips-container {
      background: #FFFFFF;
      border: 2px solid #E5E7EB;
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .model-chip-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--accent-black);
    }
    .model-flex-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .model-chip {
      background: #FAF9F5;
      border: 1px solid #E4E4E7;
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--accent-black);
      transition: all 0.2s ease;
    }
    .model-chip:hover {
      background: var(--primary);
      border-color: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* 流程步骤 */
    .flow-steps-wrapper {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .flow-step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary-dark);
      margin-bottom: 12px;
      display: inline-block;
      border-bottom: 3px solid var(--primary);
      padding-bottom: 2px;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心图文展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }
    .case-item-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-media-wrap {
      width: 100%;
      background: #18181B;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .case-media-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .case-item-card:hover .case-media-wrap img {
      transform: scale(1.04);
    }
    .case-info-box {
      padding: 24px;
      flex-grow: 1;
    }
    .case-headline {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 10px;
    }
    .case-detail {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    /* 对比评测卡片与表格 */
    .eval-score-banner {
      background: #FFFFFF;
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: 0 8px 24px rgba(255, 229, 0, 0.25);
    }
    .eval-score-left h3 {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 8px;
    }
    .eval-score-left p {
      font-size: 1rem;
      color: var(--text-muted);
    }
    .eval-score-right {
      text-align: right;
    }
    .eval-stars {
      color: #EAB308;
      font-size: 1.4rem;
      margin-bottom: 4px;
    }
    .eval-points {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1;
    }
    .eval-points span {
      font-size: 1.2rem;
      color: #71717A;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }
    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #F4F4F5;
      font-size: 0.95rem;
    }
    .custom-table th {
      background-color: #FAF9F5;
      font-weight: 800;
      color: var(--accent-black);
    }
    .custom-table tr:hover td {
      background-color: #FFFDEE;
    }
    .highlight-cell {
      font-weight: 800;
      color: #000000;
      background-color: #FFFEEA;
    }

    /* Token 比价展示 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .token-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }
    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 8px 24px rgba(255, 229, 0, 0.3);
    }
    .token-flag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: var(--accent-black);
      font-weight: 800;
      font-size: 0.75rem;
      padding: 3px 12px;
      border-radius: 12px;
      border: 1px solid #D4B200;
    }
    .token-tier-name {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 12px;
    }
    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 16px;
    }
    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: normal;
    }
    .token-features-list {
      list-style: none;
      text-align: left;
      margin-bottom: 24px;
    }
    .token-features-list li {
      padding: 8px 0;
      font-size: 0.9rem;
      color: var(--text-muted);
      border-bottom: 1px dashed #F4F4F5;
    }

    /* 客户评价板块 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 0.95rem;
      color: #3F3F46;
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F4F4F5;
      padding-top: 16px;
    }
    .reviewer-avatar-badge {
      width: 42px;
      height: 42px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      color: var(--accent-black);
    }
    .reviewer-info h4 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--accent-black);
    }
    .reviewer-info p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-accordion-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question-btn {
      width: 100%;
      text-align: left;
      padding: 20px 24px;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--accent-black);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-question-btn:hover {
      background-color: #FFFDEE;
    }
    .faq-symbol {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary-dark);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-symbol {
      transform: rotate(45deg);
    }
    .faq-answer-content {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .faq-item.active .faq-answer-content {
      display: block;
    }

    /* 需求匹配表单 & 联系 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }
    .contact-info-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .contact-info-panel h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent-black);
      margin-bottom: 18px;
    }
    .contact-list {
      list-style: none;
      margin-bottom: 28px;
    }
    .contact-list li {
      margin-bottom: 14px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }
    .contact-list li strong {
      color: var(--accent-black);
      display: inline-block;
      width: 100px;
    }
    .qrcode-box {
      text-align: center;
      padding: 20px;
      background: #FAF9F5;
      border: 1px dashed #D4D4D8;
      border-radius: var(--radius-md);
    }
    .qrcode-box img {
      width: 140px;
      height: 140px;
      border-radius: 8px;
      margin-bottom: 10px;
      border: 1px solid #E4E4E7;
    }
    .qrcode-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .form-panel {
      background: #FFFFFF;
      border: 2px solid #F4F4F5;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--accent-black);
      margin-bottom: 6px;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.95rem;
      border: 1px solid #D4D4D8;
      border-radius: var(--radius-sm);
      background: #FCFCFD;
      color: var(--text-main);
      font-family: inherit;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary-dark);
      box-shadow: 0 0 0 3px rgba(255, 229, 0, 0.35);
    }
    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    /* 行业资讯 & 链接区 */
    .articles-links-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      margin-bottom: 30px;
    }
    .article-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }
    .article-tag-link {
      background: #FAF9F5;
      border: 1px solid #E4E4E7;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.88rem;
      color: var(--text-main);
    }
    .article-tag-link:hover {
      background: var(--primary);
      border-color: var(--primary-dark);
    }

    /* 底部通用 Footer */
    footer.site-footer {
      background-color: #111113;
      color: #A1A1AA;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 1.3rem;
      color: #FFFFFF;
      margin-bottom: 14px;
      font-weight: 800;
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #A1A1AA;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      font-size: 1rem;
      color: #FFFFFF;
      margin-bottom: 16px;
      font-weight: 700;
      border-left: 3px solid var(--primary);
      padding-left: 8px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      color: #D4D4D8;
      font-size: 0.88rem;
    }
    .footer-links-list a:hover {
      color: var(--primary);
    }
    .friend-links-bar {
      border-top: 1px solid #27272A;
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .friend-links-bar span {
      font-size: 0.9rem;
      color: #FFFFFF;
      font-weight: 700;
    }
    .friend-links-bar a {
      color: #A1A1AA;
      font-size: 0.88rem;
    }
    .friend-links-bar a:hover {
      color: var(--primary);
    }
    .footer-bottom-bar {
      border-top: 1px solid #27272A;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #71717A;
    }

    /* 浮动组件 */
    .float-widget-bar {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--accent-black);
      border: 2px solid #18181B;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      transition: all 0.2s;
    }
    .float-btn:hover {
      transform: scale(1.1);
      background: var(--primary-hover);
    }
    .float-qr-modal {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #FFFFFF;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      width: 150px;
      text-align: center;
    }
    .float-qr-modal img {
      width: 100%;
      height: auto;
      border-radius: 6px;
    }
    .float-qr-modal p {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }
    .float-btn-qr-trigger:hover .float-qr-modal {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .service-grid, .token-price-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar, .flow-steps-wrapper {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        border-bottom: 2px solid var(--primary);
        padding: 16px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active li {
        width: 100%;
      }
      .nav-links.active li a {
        width: 100%;
        padding: 12px 16px;
      }
    }

    @media (max-width: 640px) {
      h1.hero-title {
        font-size: 1.9rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .service-grid, .token-price-grid, .reviews-grid, .metrics-bar, .flow-steps-wrapper {
        grid-template-columns: 1fr;
      }
      .eval-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .eval-score-right {
        text-align: center;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }