:root {
      --primary-color: #059669;
      --primary-hover: #047857;
      --primary-light: #10b981;
      --mint-soft: #ecfdf5;
      --mint-pale: #f0fdf4;
      --mint-border: #a7f3d0;
      --mint-glow: rgba(16, 185, 129, 0.15);
      --text-main: #111827;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #f9fbf9;
      --bg-card: #ffffff;
      --bg-card-alt: #f4faf6;
      --border-color: #e5e7eb;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
      --shadow-md: 0 6px 20px rgba(5, 150, 105, 0.08);
      --shadow-lg: 0 12px 30px rgba(5, 150, 105, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1200px;
      --transition: all 0.3s 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-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(167, 243, 208, 0.4);
      transition: var(--transition);
    }

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

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

    .brand-logo-wrap {
      width: 130px;
      display: flex;
      align-items: center;
    }

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

    .brand-tag {
      background: var(--mint-soft);
      color: var(--primary-color);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--mint-border);
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-color);
      background-color: var(--mint-soft);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
      color: #ffffff !important;
      font-size: 0.9rem;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: 30px;
      box-shadow: 0 3px 10px rgba(5, 150, 105, 0.25);
    }

    .btn-nav-primary:hover {
      box-shadow: 0 5px 15px rgba(5, 150, 105, 0.4);
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px 10px;
      border-radius: 6px;
      cursor: pointer;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background-color: var(--text-main);
      margin: 4px 0;
      transition: var(--transition);
    }

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

    .section-wrap.alt-bg {
      background-color: var(--bg-card-alt);
      border-top: 1px solid rgba(167, 243, 208, 0.3);
      border-bottom: 1px solid rgba(167, 243, 208, 0.3);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary-color);
      background-color: var(--mint-soft);
      border: 1px solid var(--mint-border);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 HERO（纯CSS无图片） */
    .hero-section {
      background: linear-gradient(180deg, #eafaf1 0%, #f7fdf9 60%, #ffffff 100%);
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(167, 243, 208, 0.4);
    }

    .hero-glow-1 {
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 700px;
      height: 450px;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
      z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--mint-border);
      box-shadow: 0 2px 8px rgba(5, 150, 105, 0.08);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-color);
      margin-bottom: 24px;
    }

    .hero-badge-pill .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary-light);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }

    .hero-main-title {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-main-title span {
      background: linear-gradient(135deg, var(--primary-color) 0%, #0d9488 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub-text {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 780px;
      margin: 0 auto 34px auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }

    .btn-hero-official {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 15px 36px;
      border-radius: 40px;
      box-shadow: 0 8px 25px rgba(5, 150, 105, 0.3);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(5, 150, 105, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: var(--text-main);
      font-size: 1.1rem;
      font-weight: 600;
      padding: 15px 32px;
      border-radius: 40px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 6px rgba(0,0,0,0.04);
      transition: var(--transition);
    }

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

    .hero-model-tags {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      max-width: 820px;
      margin: 0 auto;
    }

    .model-tag-chip {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(167, 243, 208, 0.6);
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 0.82rem;
      color: #374151;
      font-weight: 500;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

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

    /* 指标统计栏 */
    .stats-strip {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 30px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .stat-item {
      padding: 10px;
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 卡片网格通用 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .card-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid rgba(167, 243, 208, 0.5);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .card-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--mint-soft);
      border: 1px solid var(--mint-border);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .feature-card .card-foot-tag {
      margin-top: 16px;
      display: inline-block;
      font-size: 0.78rem;
      color: var(--primary-color);
      font-weight: 600;
    }

    /* 平台核心架构 */
    .about-platform-box {
      background: #ffffff;
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

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

    .about-highlight-item {
      padding: 16px;
      background: var(--mint-soft);
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--primary-color);
    }

    .about-highlight-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

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

    /* 流程步骤 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .flow-number {
      width: 42px;
      height: 42px;
      line-height: 42px;
      border-radius: 50%;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
    }

    .flow-step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .flow-step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

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

    .case-gallery-item:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: var(--mint-border);
    }

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #eef2f6;
      aspect-ratio: 16 / 10;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .case-gallery-item:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-content-box {
      padding: 20px;
    }

    .case-content-box h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .case-content-box p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测专属板块 */
    .eval-score-banner {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: 0 10px 25px rgba(5, 150, 105, 0.25);
    }

    .eval-score-main h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .eval-score-main p {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    .eval-badge-box {
      text-align: right;
    }

    .eval-stars {
      color: #fde047;
      font-size: 1.5rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .eval-points {
      font-size: 2.4rem;
      font-weight: 900;
      line-height: 1;
    }

    .eval-points span {
      font-size: 1.1rem;
      font-weight: 500;
      opacity: 0.85;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

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

    .custom-compare-table th {
      background-color: var(--mint-soft);
      color: var(--text-main);
      font-weight: 700;
      white-space: nowrap;
    }

    .custom-compare-table tr:last-child td {
      border-bottom: none;
    }

    .col-highlight {
      background-color: rgba(236, 253, 245, 0.6);
      font-weight: 600;
      color: var(--primary-color);
    }

    /* Token 比价卡片 */
    .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: 30px 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .token-card.popular {
      border-color: var(--primary-color);
      box-shadow: 0 8px 24px rgba(5, 150, 105, 0.15);
      background: linear-gradient(180deg, #ffffff 0%, #f7fdf9 100%);
    }

    .token-card-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary-color);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 12px;
    }

    .token-card h4 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .token-price-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-color);
      margin: 16px 0;
    }

    .token-price-num span {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 400;
    }

    .token-features-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .token-features-list li {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-features-list li::before {
      content: "✓";
      color: var(--primary-color);
      font-weight: bold;
    }

    /* 需求匹配表单与加盟 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .form-container-box {
      background: #ffffff;
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

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

    .custom-form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .custom-form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

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

    .btn-form-submit {
      width: 100%;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
      transition: var(--transition);
    }

    .btn-form-submit:hover {
      box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4);
      transform: translateY(-1px);
    }

    .agent-info-card {
      background: linear-gradient(180deg, #ecfdf5 0%, #ffffff 100%);
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .agent-perks-list {
      list-style: none;
      margin: 20px 0;
    }

    .agent-perks-list li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--mint-border);
      font-size: 0.92rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .review-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--mint-border);
    }

    .review-user-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar-char {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--mint-soft);
      border: 1px solid var(--mint-border);
      color: var(--primary-color);
      font-weight: 700;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .review-user-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .review-user-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

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

    .review-stars {
      color: #f59e0b;
      font-size: 0.85rem;
      margin-top: 12px;
    }

    /* FAQ 折叠面板 */
    .faq-accordion-list {
      max-width: 900px;
      margin: 0 auto;
    }

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

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

    .faq-question-btn {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-question-btn:hover {
      color: var(--primary-color);
    }

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

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    .faq-answer-content {
      padding: 0 22px 18px 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      display: none;
    }

    .faq-item.active .faq-answer-content {
      display: block;
    }

    /* AI 百科 & 行业资讯 */
    .info-dual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .info-block-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .info-block-box h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--mint-soft);
    }

    .wiki-terms-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .wiki-term-item h5 {
      font-size: 0.96rem;
      font-weight: 700;
      color: var(--primary-hover);
      margin-bottom: 4px;
    }

    .wiki-term-item p {
      font-size: 0.86rem;
      color: var(--text-muted);
    }

    .articles-post-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .articles-post-list li a {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .articles-post-list li a:hover {
      color: var(--primary-color);
      transform: translateX(4px);
    }

    .articles-post-list li a::before {
      content: "•";
      color: var(--primary-color);
      font-weight: bold;
    }

    /* 联系我们卡片 */
    .contact-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .contact-item-box {
      background: #ffffff;
      border: 1px solid var(--mint-border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

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

    .contact-item-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      word-break: break-all;
    }

    .qr-code-img-wrap {
      width: 140px;
      height: 140px;
      margin: 12px auto 0 auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 4px;
      background: #ffffff;
    }

    .qr-code-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #111827;
      color: #9ca3af;
      padding: 50px 0 30px 0;
      font-size: 0.88rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
      border-bottom: 1px solid #1f2937;
      padding-bottom: 30px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-brand p {
      line-height: 1.6;
      max-width: 420px;
    }

    .footer-col h5 {
      color: #f3f4f6;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 14px;
    }

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

    .footer-links-list a:hover {
      color: #34d399;
    }

    .friend-links-box {
      margin-bottom: 30px;
      padding-bottom: 24px;
      border-bottom: 1px solid #1f2937;
    }

    .friend-links-box span {
      color: #d1d5db;
      font-weight: 600;
      margin-right: 12px;
    }

    .friend-links-box a {
      color: #9ca3af;
      margin-right: 16px;
      display: inline-block;
    }

    .friend-links-box a:hover {
      color: #34d399;
    }

    .footer-bottom-copy {
      text-align: center;
      color: #6b7280;
      font-size: 0.82rem;
    }

    /* 浮动客服挂件与返回顶部 */
    .float-dock {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--mint-border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--primary-color);
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .card-grid-4, .flow-steps-grid, .contact-card-grid, .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3, .case-gallery-grid, .token-price-grid, .reviews-grid, .about-highlight-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .hero-main-title {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 10px 14px;
      }
      .hero-main-title {
        font-size: 1.85rem;
      }
      .hero-sub-text {
        font-size: 1rem;
      }
      .card-grid-3, .card-grid-4, .card-grid-2, .case-gallery-grid, .token-price-grid, .reviews-grid, .about-highlight-list, .form-section-layout, .info-dual-grid, .contact-card-grid, .stats-grid, .flow-steps-grid {
        grid-template-columns: 1fr;
      }
      .eval-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .eval-badge-box {
        text-align: center;
      }
      .section-wrap {
        padding: 50px 0;
      }
    }