:root {
      --primary: #059669;
      --primary-hover: #047857;
      --primary-light: #ecfdf5;
      --primary-subtle: #d1fae5;
      --accent: #10b981;
      --accent-soft: #34d399;
      --mint-bg: #f2fbf7;
      --white: #ffffff;
      --surface: #ffffff;
      --text-main: #0f241a;
      --text-body: #2d4338;
      --text-muted: #5e776a;
      --border-color: #d8eee3;
      --border-subtle: #e6f4ed;
      --shadow-sm: 0 2px 8px rgba(16, 185, 129, 0.06);
      --shadow-md: 0 8px 24px rgba(5, 150, 105, 0.08);
      --shadow-lg: 0 16px 36px rgba(5, 150, 105, 0.12);
      --radius: 12px;
      --radius-sm: 8px;
      --radius-full: 9999px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--mint-bg);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      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, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

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

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      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 13px;
      font-size: 14.5px;
      font-weight: 500;
      color: var(--text-body);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14.5px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
      box-shadow: var(--shadow-sm);
    }

    .btn-primary {
      background-color: var(--primary);
      color: var(--white);
      border-color: var(--primary);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }

    .btn-outline {
      background-color: var(--white);
      color: var(--primary);
      border-color: var(--primary);
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 区块通用布局 */
    .section {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-subtle);
    }

    .section-alt {
      background-color: var(--white);
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      border: 1px solid var(--primary-subtle);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero (严禁出现任何图片) */
    .hero-section {
      position: relative;
      padding: 96px 0 80px 0;
      background: linear-gradient(180deg, #e6f7ef 0%, #f2fbf7 60%, var(--mint-bg) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-decor-1 {
      position: absolute;
      top: -120px;
      right: -80px;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(52, 211, 153, 0.22) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }

    .hero-decor-2 {
      position: absolute;
      bottom: -100px;
      left: -100px;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--white);
      border: 1px solid var(--primary-subtle);
      color: var(--primary);
      padding: 6px 18px;
      border-radius: var(--radius-full);
      font-size: 13.5px;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 22px;
    }

    .hero-subtitle {
      font-size: 19px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 17px;
      background-color: var(--primary);
      color: var(--white);
      border-radius: var(--radius-sm);
      box-shadow: 0 10px 24px rgba(5, 150, 105, 0.28);
    }

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

    .btn-hero-secondary {
      padding: 14px 30px;
      font-size: 17px;
      background-color: var(--white);
      color: var(--primary);
      border: 1px solid var(--primary-subtle);
    }

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

    /* 纯CSS首屏指标卡片（不含任何图片） */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 16px;
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid var(--border-color);
      padding: 22px 16px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

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

    .metric-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-family: inherit;
    }

    .metric-label {
      font-size: 13.5px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 支持的大模型标签墙 */
    .models-stream {
      margin-top: 36px;
      padding: 18px 20px;
      background: rgba(255, 255, 255, 0.65);
      border-radius: var(--radius);
      border: 1px dashed var(--primary-subtle);
    }

    .models-stream-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
      font-weight: 600;
      text-align: center;
    }

    .models-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-tag {
      display: inline-block;
      font-size: 12px;
      background: var(--white);
      color: var(--text-body);
      border: 1px solid var(--border-color);
      padding: 4px 10px;
      border-radius: var(--radius-full);
      font-weight: 500;
      transition: var(--transition);
    }

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

    /* 卡片与网格系统 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .feature-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .feature-icon-badge {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border: 1px solid var(--primary-subtle);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .feature-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .feature-card p {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.65;
      flex-grow: 1;
    }

    .feature-meta-tag {
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid var(--border-subtle);
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 场景分类网格卡片 (一站式制作) */
    .scenario-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .scenario-badge {
      align-self: flex-start;
      font-size: 11.5px;
      padding: 3px 9px;
      border-radius: 4px;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 12px;
    }

    .scenario-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .scenario-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍图文展示 */
    .intro-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .intro-text-box h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.35;
    }

    .intro-text-box p {
      font-size: 15.5px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 16px;
    }

    .intro-check-list {
      list-style: none;
      margin: 24px 0;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .intro-check-list li {
      font-size: 14px;
      color: var(--text-main);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .intro-check-list li span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      background: var(--primary);
      color: var(--white);
      border-radius: 50%;
      font-size: 11px;
    }

    .media-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-card img {
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
    }

    .media-caption {
      padding: 14px 18px;
      font-size: 13.5px;
      color: var(--text-muted);
      background: var(--white);
      border-top: 1px solid var(--border-subtle);
    }

    /* 标准流程时间线 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-item {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px 18px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .step-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }

    .step-number {
      width: 40px;
      height: 40px;
      margin: 0 auto 16px auto;
      background: var(--primary-light);
      color: var(--primary);
      border: 2px solid var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测表格与卡片 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      border: 1px solid var(--accent);
      border-radius: var(--radius);
      padding: 28px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .eval-score-num {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .eval-score-max {
      font-size: 18px;
      color: var(--text-muted);
      font-weight: 600;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
      margin-left: 10px;
    }

    .eval-meta-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .eval-meta-desc {
      font-size: 14.5px;
      color: var(--text-body);
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      font-size: 14.5px;
      border-bottom: 1px solid var(--border-subtle);
    }

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

    .compare-table td:first-child {
      font-weight: 600;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background-color: #fafdfb;
    }

    .cell-accent {
      color: var(--primary);
      font-weight: 700;
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

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

    .token-card.featured::before {
      content: "官方优选";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: var(--white);
      font-size: 12px;
      font-weight: 700;
      padding: 2px 14px;
      border-radius: var(--radius-full);
    }

    .token-card h4 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 36px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .token-price span {
      font-size: 14px;
      font-weight: normal;
      color: var(--text-muted);
    }

    .token-features {
      list-style: none;
      margin: 20px 0 24px 0;
      text-align: left;
    }

    .token-features li {
      font-size: 13.5px;
      color: var(--text-body);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 客户评论卡片 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .review-stars {
      color: #f59e0b;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-quote {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
    }

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

    .avatar-placeholder {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      border: 1px solid var(--primary-subtle);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    .author-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ 折叠手风琴 (>=10条) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      gap: 16px;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--text-muted);
      transition: transform 0.25s ease;
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fafdfc;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      border-top-color: var(--border-subtle);
    }

    .faq-answer-inner {
      padding: 16px 24px 22px 24px;
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.7;
    }

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

    .contact-form-box {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14.5px;
      color: var(--text-main);
      background-color: var(--mint-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      background-color: var(--white);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

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

    .info-list-group {
      list-style: none;
      margin-bottom: 24px;
    }

    .info-list-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
      font-size: 14.5px;
    }

    .info-tag-name {
      font-weight: 700;
      color: var(--text-main);
      min-width: 80px;
    }

    .qr-container {
      text-align: center;
      padding: 20px;
      background: var(--mint-bg);
      border: 1px dashed var(--primary-subtle);
      border-radius: var(--radius-sm);
      margin-top: 10px;
    }

    .qr-container img {
      max-width: 140px;
      margin: 0 auto 10px auto;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }

    .qr-tip {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 资讯与友情链接 */
    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .article-link-chip {
      background: var(--white);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      color: var(--text-body);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-link-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }

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

    .case-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .case-img-box {
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #e2f0e9;
    }

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

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

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 代理加盟专项板块 */
    .partner-banner {
      background: linear-gradient(135deg, #047857 0%, #065f46 100%);
      color: var(--white);
      border-radius: var(--radius);
      padding: 48px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 30px;
      box-shadow: var(--shadow-lg);
    }

    .partner-text h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .partner-text p {
      font-size: 16px;
      color: #a7f3d0;
      max-width: 600px;
      line-height: 1.7;
    }

    .partner-cta-btn {
      padding: 14px 32px;
      font-size: 16px;
      background: #ffffff;
      color: var(--primary-hover);
      border-radius: var(--radius-sm);
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    }

    .partner-cta-btn:hover {
      background: #ecfdf5;
      transform: translateY(-2px);
    }

    /* 统一页脚结构 */
    .site-footer {
      background: #0f241a;
      color: #d1fae5;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1c3d2e;
    }

    .footer-main-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 13.5px;
      color: #94b8a5;
      line-height: 1.7;
      margin-bottom: 14px;
    }

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

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list li a {
      font-size: 13.5px;
      color: #94b8a5;
      transition: var(--transition);
    }

    .footer-links-list li a:hover {
      color: var(--accent-soft);
      padding-left: 4px;
    }

    .friend-links-box {
      border-top: 1px solid #1b3d2d;
      padding-top: 24px;
      margin-bottom: 28px;
    }

    .friend-links-title {
      font-size: 13px;
      font-weight: 700;
      color: #a7f3d0;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .friend-links-list a {
      color: #94b8a5;
    }

    .friend-links-list a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom-bar {
      border-top: 1px solid #163626;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #6d8e7c;
    }

    /* 悬浮客服与返回顶部工具条 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .tool-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--white);
      color: var(--primary);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      transition: var(--transition);
      font-size: 18px;
    }

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

    /* 响应式样式规范 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 34px;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .grid-4, .reviews-grid, .case-gallery-grid, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-wrapper, .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: auto;
      }
      .header-inner {
        height: 64px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 0;
        border-radius: 0;
      }
      .header-actions .btn-outline {
        display: none;
      }
      .hero-section {
        padding: 60px 0 50px 0;
      }
      .hero-title {
        font-size: 27px;
      }
      .hero-subtitle {
        font-size: 16px;
      }
      .grid-3, .grid-4, .reviews-grid, .case-gallery-grid, .token-grid, .hero-metrics {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: 1fr;
      }
      .section {
        padding: 56px 0;
      }
    }