@c1: #3b52f6;
.item-wrap(@num,@between,@mb) {
  display: flex;
  flex-wrap: wrap;
  .item {
    width: calc((100% - (@num - 1) * @between) / @num);
    margin-right: @between;
    margin-bottom: @mb;
    &:nth-of-type(@{num}n) {
      margin-right: 0;
    }
  }
}
.dot {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dots(@num) {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: @num; //行数
  -webkit-box-orient: vertical;
}
.setBetween {
  display: flex;
  justify-content: space-between;
}
.setRowCenter {
  display: flex;
  align-items: center;
}
.setColumnCenter {
  display: flex;
  align-items: center;
}
.setCenter {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ra {
  border-radius: 0.2rem;
  overflow: hidden;
}
.bs {
  box-shadow: 0 0 0.5rem #ebebeb;
}
.box-shadow {
  box-shadow: 0rem 0.3rem 0.5rem 0rem rgba(36, 65, 116, 0.1);
}
.tit-line(@fs,@pb,@mb,@width,@height,@color) {
  font-size: @fs;
  padding-bottom: @pb;
  margin-bottom: @mb;
  position: relative;
  &::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: @width;
    border-bottom: @height solid @color;
  }
}
.tit-line-center(@fs,@pb,@mb,@width,@height,@color) {
  font-size: @fs;
  padding-bottom: @pb;
  margin-bottom: @mb;
  position: relative;
  &::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: @width;
    border-bottom: @height solid @color;
    transform: translateX(-50%);
  }
}
.btn {
  padding: 0.3rem 1rem;
  background-color: @c1;
  color: #fff;
  border-radius: 2rem;
  font-size: 0.7rem;
  &.s1 {
    background-color: transparent;
    border: 1px solid @c1;
    color: @c1;
  }
}
.a-hover {
  &:hover {
    color: @c1;
  }
}

.program {
  .main-1 {
    padding-top: 0;
    .container {
      .link {
        display: block;
        margin: 3rem 0;
        .con {
          .setBetween;
        }
        .img {
          width: 23rem;
          height: 13.7rem;
          flex-shrink: 0;
          background-color: #ccc;
          img{
            width: 100%;
            height: 100%;
            object-fit: cover;
          }
        }
        .text {
          flex: 1;
          margin-left: 1.5rem;
          h3 {
            font-size: 1.2rem;
            line-height: 2;
            span {
              font: inherit;
              font-weight: normal;
            }
          }
          .field {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-top: 1rem;

            & > div {
              width: 48%;
              line-height: 3;
              font-size: 0.9rem;
              .setColumnCenter;
            }
          }
        }
        .link-btn {
          margin-top: 1rem;
          .setColumnCenter;
          justify-content: flex-end;
          a {
            .setCenter;
            width: 8rem;
            height: 2rem;
            border: 1px solid #ebebeb;
            border-radius: 0.4rem;
            color: #999;
            margin-left: 1rem;
            &.b {
              background-color: @c1;
              color: #fff;
            }
          }
        }
      }
    }
  }
}
@media screen and (max-width:820px){
  .program .main-1 .container .link .img{
    width: 18rem;
    height: 12rem;
  }
}
@media screen and (max-width:768px){
  .program{
    .main-1{
      .container{
        .link{
          .con{
            flex-direction: column;
            .img{
              width: 100%;
              height: 10rem;
              margin-bottom: 1rem;
            }
            .text{
              margin-left: 0;
              h3{
                .dot;
              }
              .field{
                &>div{
                  width: auto;
                }
              }
            }
          }
        }
      }
    }
  }
}