:root {
      --primary: #2563eb;
      --primary-accent: #ff4d4f;
      --secondary-accent: #00b96b;
      --highlight: #faad14;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
      --shadow-lg: 0 16px 36px rgba(37,99,235,0.08);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --container-width: 1240px;
    }

    * {
      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-base);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-logo .ai-page-logo {
      height: 42px;
      width: auto;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: #eff6ff;
    }

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

    .btn-nav-primary {
      padding: 10px 20px;
      background-color: var(--primary-accent);
      color: #ffffff !important;
      font-weight: 700;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(255, 77, 79, 0.25);
    }

    .btn-nav-primary:hover {
      background-color: #e03e40;
      transform: translateY(-1px);
    }

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

    /* 撞色视觉与版式基底 */
    .section-padding {
      padding: 80px 0;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #ffffff;
      background-color: var(--primary);
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-tag.accent {
      background-color: var(--primary-accent);
    }

    .section-tag.green {
      background-color: var(--secondary-accent);
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

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

    /* 首屏 Hero：严禁图片，采用撞色几何、卡片与数据视觉 */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, #ffffff 0%, #eff6ff 50%, #f0fdf4 100%);
      padding: 90px 0 80px;
      border-bottom: 2px solid var(--border-color);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0b192c;
      margin-bottom: 20px;
    }

    .hero-content h1 span.color-blue {
      color: var(--primary);
    }

    .hero-content h1 span.color-orange {
      color: #fa541c;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main-portal {
      padding: 14px 32px;
      background-color: var(--primary-accent);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 800;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(255, 77, 79, 0.35);
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-portal:hover {
      background-color: #d9363e;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 77, 79, 0.45);
    }

    .btn-sub-action {
      padding: 14px 28px;
      background-color: #ffffff;
      color: var(--primary);
      border: 2px solid var(--primary);
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-md);
    }

    .btn-sub-action:hover {
      background-color: #eff6ff;
    }

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

    .feature-pill {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      color: #334155;
    }

    .hero-visual-card {
      background: #ffffff;
      border: 2px solid #1e293b;
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 8px 8px 0px #1e293b;
      position: relative;
    }

    .hero-badge-top {
      position: absolute;
      top: -14px;
      right: 24px;
      background: #faad14;
      color: #000000;
      font-weight: 800;
      font-size: 0.85rem;
      padding: 4px 12px;
      border-radius: 20px;
      border: 2px solid #000;
    }

    .model-matrix-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .chip {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 6px 10px;
      border-radius: 6px;
      background: #f1f5f9;
      color: #1e293b;
      border: 1px solid #e2e8f0;
    }

    .chip.highlight {
      background: #fee2e2;
      color: #b91c1c;
      border-color: #fca5a5;
    }

    .chip.green {
      background: #dcfce7;
      color: #15803d;
      border-color: #86efac;
    }

    .metric-bars {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .metric-card-inner {
      background: #f8fafc;
      padding: 14px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--primary);
    }

    .metric-card-inner:nth-child(2) {
      border-left-color: var(--primary-accent);
    }

    .metric-card-inner .num {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--text-main);
    }

    .metric-card-inner .label {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 数据指标卡片横条 */
    .stats-bar-section {
      background: #1e293b;
      color: #ffffff;
      padding: 36px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .stat-item .stat-value {
      font-size: 2.3rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
      margin-bottom: 6px;
    }

    .stat-item .stat-desc {
      font-size: 0.95rem;
      color: #cbd5e1;
      font-weight: 600;
    }

    /* 关于我们与平台介绍 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 14px;
      font-size: 1rem;
    }

    .about-points {
      list-style: none;
      margin-top: 20px;
    }

    .about-points li {
      margin-bottom: 10px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
      color: #1e293b;
    }

    .about-points li::before {
      content: "✓";
      color: var(--secondary-accent);
      font-weight: 900;
    }

    .platform-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .platform-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .platform-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--primary);
    }

    .platform-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* AIGC一站式制作与场景能力 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }

    .scenario-card:hover {
      border-color: var(--primary-accent);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .scenario-badge {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #eff6ff;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .scenario-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .scenario-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .scenario-footer {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 对比评测专属板块 */
    .eval-section {
      background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .eval-score-header {
      background: #ffffff;
      border: 2px solid #2563eb;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

    .eval-score-left h3 {
      font-size: 1.8rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .eval-score-left p {
      color: var(--text-muted);
      font-weight: 600;
    }

    .rating-stars {
      color: #faad14;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .score-badge-huge {
      background: #ff4d4f;
      color: #ffffff;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .score-badge-huge .val {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-badge-huge .max {
      font-size: 0.9rem;
      opacity: 0.9;
    }

    .comparison-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      overflow-x: auto;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 680px;
    }

    .eval-table th,
    .eval-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 800;
      color: #0f172a;
      font-size: 1rem;
    }

    .eval-table td.highlight-col {
      background: #f0fdf4;
      font-weight: 700;
      color: #166534;
    }

    .eval-table td.other-col {
      color: #64748b;
    }

    /* 流程与行业方案 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .flow-step-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

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

    /* 案例中心图文展示 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .case-img-wrap {
      width: 100%;
      background: #e2e8f0;
    }

    .case-img-wrap img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }

    .case-desc-box {
      padding: 24px;
    }

    .case-desc-box h4 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-desc-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .banner-promo-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .banner-promo-card {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #ffffff;
    }

    .banner-promo-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

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

    .review-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .reviewer-meta h5 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .reviewer-meta span {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .review-stars {
      color: #faad14;
      font-size: 0.9rem;
    }

    .review-body {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      font-style: normal;
    }

    /* Token比价与加盟代理 */
    .token-pricing-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 2px solid #2563eb;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .token-tier-card {
      background: #f8fafc;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
    }

    .token-tier-card.featured {
      background: #eff6ff;
      border-color: #2563eb;
      transform: scale(1.03);
    }

    .token-tier-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary-accent);
      margin-bottom: 14px;
    }

    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .token-features {
      list-style: none;
      text-align: left;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .token-features li {
      margin-bottom: 8px;
    }

    .agent-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .agent-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #38bdf8;
    }

    .agent-info p {
      color: #94a3b8;
      max-width: 600px;
      font-size: 1rem;
    }

    /* FAQ折叠面板 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

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

    .faq-question {
      padding: 20px 24px;
      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 {
      background-color: #f8fafc;
      color: var(--primary);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 900;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      padding: 0 24px 20px;
      max-height: 300px;
    }

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

    /* 文章与百科板块 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .article-column {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-column h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 10px;
    }

    .custom-article-list {
      list-style: none;
    }

    .custom-article-list li {
      margin-bottom: 12px;
      border-bottom: 1px dashed var(--border-color);
      padding-bottom: 10px;
    }

    .custom-article-list li a {
      font-weight: 600;
      font-size: 0.95rem;
      color: #1e293b;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .custom-article-list li a:hover {
      color: var(--primary);
    }

    /* 需求表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
    }

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

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 6px;
      color: #1e293b;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: var(--primary-accent);
      color: #ffffff;
      border: none;
      font-size: 1.05rem;
      font-weight: 800;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
      transition: all 0.2s ease;
    }

    .btn-submit:hover {
      background: #d9363e;
      transform: translateY(-1px);
    }

    .contact-info-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-list-details {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-list-details li {
      font-size: 0.95rem;
      margin-bottom: 12px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-list-details li strong {
      color: #0f172a;
      min-width: 90px;
    }

    .qr-box-wrap {
      text-align: center;
      padding: 20px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .qr-box-wrap img {
      width: 140px;
      height: 140px;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
    }

    .qr-box-wrap p {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.4rem;
      font-weight: 900;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
      color: #94a3b8;
    }

    .footer-links-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list li a {
      color: #cbd5e1;
      font-size: 0.9rem;
    }

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

    .friendship-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friendship-links-wrap a {
      color: #cbd5e1;
      background: #1e293b;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.85rem;
    }

    .friendship-links-wrap a:hover {
      background: #2563eb;
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动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: 48px;
      height: 48px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-weight: 800;
      font-size: 1rem;
      color: var(--primary);
      transition: all 0.2s ease;
    }

    .float-btn.kefu-trigger {
      background: var(--primary);
      color: #ffffff;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    .kefu-popover {
      display: none;
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      text-align: center;
      width: 160px;
    }

    .kefu-popover img {
      width: 130px;
      height: 130px;
      margin: 0 auto 6px;
    }

    .kefu-popover p {
      font-size: 0.75rem;
      font-weight: 700;
      color: #1e293b;
    }

    .floating-widget:hover .kefu-popover {
      display: block;
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-grid,
      .about-grid,
      .contact-grid,
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }

      .platform-features-grid,
      .scenario-grid,
      .reviews-grid,
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.show {
        display: flex;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links li a {
        display: block;
        padding: 10px 0;
      }

      .mobile-menu-toggle {
        display: block;
      }

      .hero-content h1 {
        font-size: 2.1rem;
      }

      .platform-features-grid,
      .scenario-grid,
      .reviews-grid,
      .token-grid,
      .flow-steps,
      .article-section-grid,
      .banner-promo-row {
        grid-template-columns: 1fr;
      }

      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
    }