.van-tabs__nav .swiper-slide.swiper-slide-thumb-active{
    font-weight: 600;
    color: #4a4a5b;
}
.van-tabs__nav .swiper-slide.swiper-slide-thumb-active::after{
    content: "";
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgb(81, 131, 246);
    width: 16px;
    transition-duration: 0.3s;
    height: 3px;
    border-radius: 3px;
}

.pop {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    max-width: 800px;
    width: 100%;
    z-index: 10;
    transform: translate(-50%, -50%);
    box-sizing: border-box;
  }
  
  .pop .close {
    text-align: right;
    margin-bottom: 15px;
    cursor: pointer;
  }
  
  .pop .close img {
    display: inline-block;
    transition: 0.5s;
    width: 40px;
  }
  
  .pop .close:hover img {
    transform: rotate(90deg);
  }
  
  .mask {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 9;
  }
  

  .project-list-box{
    display: none;
  }