.layui-carousel{
  margin-top: 5.25rem;
 }
 .layui-carousel img {
  object-fit:cover;
  object-position: top;
 }
 /* 简介的开始 */
 .introduction{
   background-color: #fff;
   height: 35rem;
   width: 100%;
   display: flex;
   align-items: center;
   flex-direction: column;
 }
 .introduction__title{
   color: #333;
   font-size: 3rem;
   font-weight: bold;
   position: relative;
   margin-top: 5.3125rem;
 }
 .introduction__title::after{
   content: '';
   position: absolute;
   width: 6.25rem;
   height: .3125rem;
   color: #000;
   background: #18A0FB;
   bottom: -10px;
   left: 50%;
   margin-left: -3.125rem;


 }
 .introduction__english{
   color: #999;
   font-size: 24px;
   text-transform:uppercase;
   margin-top: 1.6875rem;
 }
 .introduction__text{
  font-family: PingFang SC;
   text-indent: 2em;
   color: #333333;;
   font-size: 1.5rem;
   line-height: 2.25rem;
   font-weight: normal;
   width: 75rem;
   margin-top: 2.3125rem;
   font-style: normal;
 }
 .introduction__more{
   margin-top: 2.5rem;
   width: 12.5rem;
   height: 3rem;
   border: 2px solid #18A0FB;
  box-sizing: border-box;
  border-radius: 50px;
  font-size: 1.5rem;
  color: #18A0FB;
  line-height: 3rem;
  text-align:center ;
  cursor: pointer;
 }
 .introduction__more:hover{
   color: #fff;
   background-color: #18A0FB;
   border: 2px solid #fff !important;
 }
 /* 简介的结束 */
 /* 报名的开始 */
 .signup{
   width: 100%;
   height: 35rem;
   background: #F5F5F5 !important;
   position: relative;
 }
 .signup>.introduction__title{
   margin-top: 3.75rem;
 }
 .signup__icon{
   display: flex;
   margin-top: 3.375rem;
   width: 75rem;
   justify-content: space-between;
 }
 .signup__icon__item{
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;

 }
 .signup__icon__item__img{
  width: 7.5rem;
  height: 7.5rem;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;

 }
 .imgsun{
  background: rgba(255, 138, 0, 0.2);
  border: 2px solid rgba(255, 138, 0, 0.4);
  box-sizing: border-box;
 }
 .imgpen{
  background: rgba(0, 102, 255, 0.2);
  border: 2px solid rgba(0, 102, 255, 0.4);
  box-sizing: border-box;
 }
 .imgaixin{
  background: rgba(0, 199, 211, 0.2);
  border: 2px solid rgba(0, 199, 211, 0.4);
  box-sizing: border-box;
 }
 .imgwork{
  background: rgba(119, 71, 255, 0.2);
  border: 2px solid rgba(119, 71, 255, 0.4);
  box-sizing: border-box;
 }
 .signup__icon__item__text{
   font-size: 1.75rem;
   color: #000;
   margin-top: .625rem;
 }
 .signup__entrance{
   width: 75rem;
   height: 12.5rem;
   background-image: url('../image/rectangle.png');
   margin-top: 5rem;
   position: absolute;
   bottom: -6.25rem;
   display: flex;
   left: 50%;
   margin-left: -37.5rem;
   align-items: center;
 }
 .signup__entrance__img{
   width: 4rem;
   height: 4rem;
   background-color: rgba(255,255,255,0.2);
   border-radius: .3125rem;
   display: flex;
   justify-content: flex-end;
   align-items: flex-end;
   margin-left: 3.75rem;
 }
 .signup__entrance__img>img{
   width: 4rem;
   height: 4rem;
 }
 .signup__entrance__text{
   cursor: pointer;
   font-size: 2.25rem;
   font-weight: bold;
   color: #fff;
   position: relative;
   margin-left: 2.5rem;
 }
 .signup__entrance__text::after{
   content: '';
   position: absolute;
   bottom: -3px;
   width: 100%;
   height: 2px;
   left: 0;
   background-color: #fff;
 }
 .dynamic{
   width: 100%;
   height: auto;
   padding-bottom: 3.75rem;
   box-sizing: border-box;
 }
 .dynamic__title{
   margin-top: 10.125rem;
 }
 .dynamic__list{
   display: flex;
   margin-top: 2.5rem;
   width: 75rem;
 }
 .dynamic__list__left{
   width: 37.5rem;
   height: 25rem;
   margin-right: 2.5rem;
 }
 .dynamic__list__left>img{
    width: 100%;
    height: 100%;
 }
 .dynamic__list__right__time{
   margin-top: 1.875rem;
   color: #000;
   font-size: 1.5rem;
   font-weight: bold;
   margin-bottom: .3125rem;
 }
 .dynamic__list__right__text{
   height: 3.75rem;
   margin-top: .875rem;
   font-size: 1.125rem;
   line-height: 1.875rem;
   color: rgba(0, 0, 0, 0.8);
 }
 /* 报名的结束 */

  /* 大赛组织方的开始 */
  .organizer{
   width: 100%;
   height: auto;
   padding: 3.75rem 0 5rem 0;
   box-sizing: border-box;
   background: #F5F5F5;

  }
  .organizer__title{
    margin-top: 0px!important;
  }
  .organizer__card{
    background-color: #fff;
    box-sizing: border-box;
    width: 75rem;
    position: relative;
    margin-top: 1.875rem;
    padding: 2.5rem 0rem 3.75rem 5rem;
    margin-bottom: 1.25rem;
  }
  .organizer__card+.organizer__card{
    margin-top: 0px;
  }
  .organizer__card__tags{
    border-radius: 0px 5px 5px 0px;
    padding: 0 2.3125rem;
    box-sizing: border-box;
    height: 3rem;
    line-height: 3rem;
    text-align: center;
    position: absolute;
    font-size: 1.5rem;
    color: #fff;
    font-weight: bold;
    left: 0rem; 
    box-shadow: 4px 4px 12px rgba(153, 153, 153, 0.1);
  }
  .danw{
    background: #18A0FB;
  }
  .zhici{
    background: #00C5C5;
  }
  .cban{
    background: #FF800C;
  }
  .organizer__list{
    width: 100%;
    margin-top: 5rem;
    display: flex;
    flex-wrap: wrap;
  }
  .card225{
   width: 14.0625rem;
    margin-right: 5.9375rem;
  }
  .card139{
    width: 8.6875rem;
    margin-right: 6.0625rem;
  }
  .card173{
    width: 10.8125rem;
    margin-right: 4.1875rem;
  }
  .card156{
    width: 9.75rem;
    margin-right: 6.25rem;
  }
  .card208{
    width: 13rem;
  }
  .organizer__list__item{
    font-size: 1.125rem;
    color: #333;
    font-family: PingFang SC;
    font-weight: normal;
    letter-spacing: -0.045em;
  }
  .card190{
    margin-right: 8.125rem;
    width: 11.875rem;
  }
  .card225 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card139 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card156 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card173 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card190 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card208 .organizer__list__item+.organizer__list__item{
    margin-top: 1.875rem;
  }
  .card225cban{
    margin-right: 11.875rem;
  }
  .card208cban{
    margin-right: 10.8125rem;
  }
  /* 大赛组织方的结束 */