/* 样式隔离 - 防止与外部页面冲突 */
    .process-section-wrapper * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    .process-section-wrapper {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: #ffffff;
      color: #1a1a2e;
      line-height: 1.6;
      isolation: isolate;
    }
    .process-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 24px;
    }
    /* 标题区域 */
    .process-header {
      text-align: center;
      margin-bottom: 60px;
    }
    .process-header h2 {
      font-size: 32px;
      font-weight: 700;
      color: #1a1a2e;
      margin-bottom: 12px;
    }
    .process-header p {
      font-size: 16px;
      color: #666;
    }
    /* 流程步骤网格 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    /* 单个步骤卡片 */
    .step-card {
      position: relative;
      background: #f8f9fa;
      border-radius: 16px;
      overflow: hidden;
      cursor: pointer;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #e8e8e8;
    }
    .step-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }
    /* 图片区域 */
    .step-image {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }
    .step-card:hover .step-image {
      transform: scale(1.08);
    }
    .step-image-wrapper {
      position: relative;
      overflow: hidden;
    }
    /* 图片上的渐变遮罩 */
    .step-image-wrapper::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 60%;
      background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
      pointer-events: none;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .step-card:hover .step-image-wrapper::after {
      opacity: 1;
    }
    /* 步骤编号 */
    .step-number {
      position: absolute;
      top: 12px;
      left: 12px;
      width: 36px;
      height: 36px;
      background: rgba(255, 255, 255, 0.95);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      color: #2563eb;
      z-index: 2;
      box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    /* 底部标题 */
    .step-title {
      padding: 16px 20px;
      font-size: 15px;
      font-weight: 600;
      color: #1a1a2e;
      text-align: center;
      background: #ffffff;
      line-height: 1.4;
    }
    /* 悬停时显示的详情面板 - 始终absolute，不占文档流空间 */
    .step-detail {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 20px;
      background: linear-gradient(to top, rgba(26, 26, 46, 0.98), rgba(26, 26, 46, 0.9));
      color: #fff;
      transform: translateY(100%);
      opacity:0;
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
      z-index: 3;
      pointer-events:none;
    }
    .step-card:hover .step-detail {
      transform: translateY(0);
      opacity:1;
      pointer-events:auto;
    }
    .step-detail h4 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 8px;
      color: #fff;
    }
    .step-detail p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.6;
    }
    /* 连接线 - 桌面端 */
    .step-card::before {
      content: '';
      position: absolute;
      top: 50%;
      right: -12px;
      width: 24px;
      height: 2px;
      background: #e0e0e0;
      z-index: 1;
    }
    .step-card:last-child::before {
      display: none;
    }
    /* 响应式 - 平板 (2列) */
    @media (max-width: 1024px) {
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .process-container {
        padding: 60px 24px;
      }
      .process-header h2 {
        font-size: 28px;
      }
      .step-card::before {
        display: none;
      }
      .step-card:nth-child(odd)::after {
        content: '';
        position: absolute;
        top: 50%;
        right: -10px;
        width: 20px;
        height: 2px;
        background: #e0e0e0;
      }
    }
    /* 响应式 - 手机 (单列) */
    @media (max-width: 640px) {
      .process-steps {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .process-container {
        padding: 40px 16px;
      }
      .process-header {
        margin-bottom: 40px;
      }
      .process-header h2 {
        font-size: 24px;
      }
      .process-header p {
        font-size: 14px;
      }
      .step-image {
        aspect-ratio: 16 / 9;
      }
      .step-title {
        padding: 12px 16px;
        font-size: 14px;
      }
      .step-detail {
        padding: 16px;
      }
      .step-detail h4 {
        font-size: 13px;
      }
      .step-detail p {
        font-size: 12px;
      }
      .step-card::before,
      .step-card::after {
        display: none;
      }
    }
    /* 鼠标设备：hover触发浮层 */
    @media (hover: hover) {
      .step-card:hover .step-image-wrapper::after {
        opacity: 1;
      }
    }
    /* 触摸设备：默认展开浮层，依然absolute悬浮，**不撑开卡片高度，解决底部空白bug** */
    @media (hover: none) {
      .step-card {
        cursor: default;
      }
      .step-card:hover {
        transform: none;
      }
      .step-image-wrapper::after {
        opacity: 1;
      }
      .step-detail {
        transform: translateY(0);
        opacity:1;
        pointer-events:auto;
      }
    }