.section-background {
      background-image: url('./109358771_p0_master1200.jpg');
      /* 桌面背景 */
      background-size: cover;
      background-position: center;
    }

    .section-background::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      /* 半透明黑色遮罩 */
      backdrop-filter: blur(5px);
      /* 模糊效果 */
      z-index: 1;
    }

    /* 针对手机设备的背景 */
    @media (max-width: 768px) {
      .section-background {
        background-image: url('./124792828_p0.jpg');
        /* 手机背景 */
      }
    }
    
    .avater{
        position: relative; z-index: 2;
    }
    
    .kong{
        display: block;margin-bottom: 30px;
    }
    
    .avater-image{
        width: 200px;
    }