:root {
      --primary: #0da678;
      --primary-light: #e6f7f2;
      --primary-hover: #0a8a63;
      --primary-dark: #075f44;
      --mint-glow: #34d399;
      --accent: #10b981;
      --bg-main: #f7faf8;
      --bg-card: #ffffff;
      --bg-alt: #edf7f3;
      --text-main: #13221d;
      --text-sub: #4b6358;
      --text-muted: #708c80;
      --border-light: #d6e8e0;
      --border-hover: #a3d9c4;
      --shadow-sm: 0 2px 8px rgba(13, 166, 120, 0.06);
      --shadow-md: 0 8px 24px rgba(13, 166, 120, 0.08);
      --shadow-lg: 0 16px 36px rgba(13, 166, 120, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    /* 居中主容器统一规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

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

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 30px;
      margin-bottom: 12px;
      border: 1px solid var(--border-hover);
    }

    .section-title {
      font-size: 2.1rem;
      color: var(--text-main);
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

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

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      font-size: 0.95rem;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(13, 166, 120, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(13, 166, 120, 0.38);
      color: #ffffff;
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary-dark);
      background-color: #ffffff;
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: all 0.3s;
    }

    /* 首屏 HERO 区域 - 坚决无图片纯代码美学 */
    .hero-section {
      padding: 80px 0 90px 0;
      background: linear-gradient(180deg, rgba(230, 247, 242, 0.8) 0%, rgba(247, 250, 248, 1) 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-light);
    }

    .hero-glow-1 {
      position: absolute;
      top: -120px;
      right: 10%;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(52, 211, 153, 0.22) 0%, rgba(247, 250, 248, 0) 70%);
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      bottom: -60px;
      left: 5%;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(13, 166, 120, 0.15) 0%, rgba(247, 250, 248, 0) 70%);
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid var(--border-hover);
      border-radius: 50px;
      font-size: 0.9rem;
      color: var(--primary-dark);
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      letter-spacing: -0.8px;
      margin-bottom: 20px;
    }

    .hero-title span {
      color: var(--primary);
      background: linear-gradient(135deg, #0da678 0%, #059669 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: #0da678;
    }

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

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

    .btn-hero-main {
      padding: 14px 36px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #0da678, #059669);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(13, 166, 120, 0.35);
    }

    .btn-hero-main:hover {
      background: linear-gradient(135deg, #0ba174, #047857);
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(13, 166, 120, 0.45);
      color: #ffffff;
    }

    /* 首屏数据卡片组件 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* 平台支持模型标签滚动条 */
    .model-chips-wrap {
      margin-top: 40px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
    }

    .model-chips-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
      text-align: center;
    }

    .model-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .chip-item {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-sub);
      background: var(--bg-alt);
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid var(--border-light);
    }

    /* 介绍板块 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .intro-content-block h3 {
      font-size: 1.6rem;
      color: var(--text-main);
      margin-bottom: 16px;
      font-weight: 700;
    }

    .intro-content-block p {
      color: var(--text-sub);
      margin-bottom: 16px;
      font-size: 0.98rem;
      line-height: 1.7;
    }

    .feature-point-list {
      list-style: none;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .feature-point-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .feature-point-list li::before {
      content: "✓";
      color: var(--primary);
      font-weight: 800;
      background: var(--primary-light);
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 0.75rem;
    }

    .intro-visual-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-md);
    }

    .intro-img-frame {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      margin-bottom: 16px;
    }

    /* 矩阵卡片网格（AIGC服务 & 一站式场景） */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 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(--border-hover);
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .card-top {
      margin-bottom: 16px;
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    .card-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .tag-badge {
      font-size: 0.75rem;
      background: var(--bg-alt);
      color: var(--primary-dark);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 行业方案展示区 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      box-shadow: var(--shadow-sm);
    }

    .industry-icon {
      flex-shrink: 0;
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: bold;
    }

    .industry-info h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 6px;
      font-weight: 700;
    }

    .industry-info p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

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

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 700;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }

    .step-item h3 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

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

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      background: var(--bg-alt);
      overflow: hidden;
    }

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

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

    .case-body {
      padding: 18px;
    }

    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .case-desc {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 对比评测板块 */
    .eval-card {
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 20px;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }

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

    .score-badge {
      background: linear-gradient(135deg, #0da678, #059669);
      color: #ffffff;
      font-size: 2.2rem;
      font-weight: 800;
      padding: 8px 18px;
      border-radius: var(--radius-md);
      line-height: 1;
    }

    .score-text h3 {
      font-size: 1.3rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stars-line {
      color: #f59e0b;
      font-size: 1.1rem;
    }

    .eval-table-container {
      overflow-x: auto;
    }

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

    .eval-table th,
    .eval-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-light);
    }

    .eval-table th {
      background: var(--bg-alt);
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr:hover td {
      background: rgba(230, 247, 242, 0.4);
    }

    .eval-table .highlight {
      font-weight: 700;
      color: var(--primary-dark);
    }

    /* Token 比价与方案选择 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

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

    .token-card h3 {
      font-size: 1.3rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin: 14px 0;
    }

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

    .token-features {
      list-style: none;
      margin: 18px 0;
    }

    .token-features li {
      font-size: 0.88rem;
      color: var(--text-sub);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .token-features li::before {
      content: "•";
      color: var(--primary);
      font-size: 1.2rem;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 16px;
      position: relative;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .user-avatar-badge {
      width: 38px;
      height: 38px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.85rem;
    }

    .user-meta h4 {
      font-size: 0.9rem;
      color: var(--text-main);
      font-weight: 600;
    }

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

    /* FAQ 折叠面板 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.25s;
    }

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

    .faq-question {
      padding: 16px 20px;
      font-weight: 600;
      font-size: 1rem;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: var(--bg-alt);
      padding: 0 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 14px 20px 18px 20px;
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

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

    .contact-info-side h3 {
      font-size: 1.5rem;
      color: var(--text-main);
      margin-bottom: 14px;
      font-weight: 700;
    }

    .contact-info-side p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 24px;
    }

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

    .contact-details-list li {
      font-size: 0.92rem;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-block-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-alt);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }

    .qr-code-img {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      border: 1px solid var(--border-light);
    }

    .qr-text h4 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 0.82rem;
      color: var(--text-sub);
      margin: 0;
    }

    /* 表单控件 */
    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 0.92rem;
      font-family: inherit;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(13, 166, 120, 0.15);
    }

    textarea.form-control {
      min-height: 95px;
      resize: vertical;
    }

    /* 最新文章与行业资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

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

    .article-date {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .article-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .article-title a:hover {
      color: var(--primary);
    }

    .article-summary {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #0da678 0%, #075f44 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
    }

    .partner-banner h3 {
      font-size: 1.9rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .partner-banner p {
      font-size: 1.05rem;
      opacity: 0.95;
      max-width: 720px;
      margin: 0 auto 28px auto;
      line-height: 1.6;
    }

    .partner-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 30px;
      text-align: left;
    }

    .partner-item {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 18px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(5px);
    }

    .partner-item h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
    }

    .partner-item p {
      font-size: 0.85rem;
      opacity: 0.88;
      margin: 0;
      line-height: 1.5;
    }

    /* 友情链接与页脚 */
    .footer-section {
      background: #0f1d18;
      color: #9eb8ad;
      padding: 50px 0 30px 0;
      border-top: 1px solid #1c332b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 14px;
      font-weight: 700;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.65;
      margin-bottom: 16px;
      color: #9eb8ad;
    }

    .footer-links-col h5 {
      color: #ffffff;
      font-size: 0.98rem;
      margin-bottom: 16px;
      font-weight: 600;
    }

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

    .footer-links-list li {
      margin-bottom: 8px;
      font-size: 0.88rem;
    }

    .footer-links-list a {
      color: #9eb8ad;
    }

    .footer-links-list a:hover {
      color: var(--mint-glow);
    }

    .friend-links-wrap {
      border-top: 1px solid #1c332b;
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-size: 0.85rem;
    }

    .friend-links-wrap strong {
      color: #ffffff;
    }

    .friend-links-wrap a {
      color: #9eb8ad;
      padding: 2px 8px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 4px;
    }

    .friend-links-wrap a:hover {
      color: var(--mint-glow);
      background: rgba(255, 255, 255, 0.1);
    }

    .footer-bottom {
      border-top: 1px solid #1c332b;
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: #6e8a7f;
    }

    /* 浮动客服入口与返回顶部 */
    .float-panel {
      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-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.85rem;
      transition: all 0.25s;
    }

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

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-light);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-btn-kefu:hover + .float-qr-popup,
    .float-qr-popup:hover {
      display: block;
    }

    .float-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 4px;
    }

    .float-qr-popup span {
      font-size: 0.75rem;
      color: var(--text-sub);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid,
      .case-gallery-grid,
      .token-price-grid,
      .reviews-grid,
      .articles-grid,
      .partner-features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .contact-container {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .service-grid,
      .industry-grid,
      .case-gallery-grid,
      .token-price-grid,
      .reviews-grid,
      .articles-grid,
      .partner-features-grid,
      .steps-container,
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .contact-container {
        padding: 24px;
      }
    }