.aboutTop{
	position: relative;
}
.aboutTop .toptop{
	position: relative; 
	padding:4rem 0 12rem 0;
	background: #f3f6fa url(4.png) left bottom no-repeat;
	background-size: 11.52rem;
	height:25vh;
}
.aboutTop .toptop:after{ content: ''; position: absolute; right: 0.2rem; top: 0; width:20vw; height:16vh; background: url(5.png) no-repeat; background-size: 20rem; }
.aboutTop .title{ position: relative; text-align: center; font-size:2rem;  color: #333; font-weight: bold; padding-bottom:1rem; }
.aboutTop .title:after{ content: ''; position: absolute; left: 50%; margin-left: -22px; bottom: 0; width: 45px; height: 4px; background: #037ab6; }
.aboutTop .choose_txt{ padding-top: 1rem; position: relative; z-index: 1;}
.aboutTop .choose_txt li{ float: left; width: 33.33%; position: relative; cursor: pointer; }
.aboutTop .choose_txt li:after{ content: ''; position: absolute; right: 0; top: 50%; margin-top: -0.5rem; width: 1px; height: 1.0rem; background: #d8dbdf;}
.aboutTop .choose_txt li:last-child:after{ display: none; }
.aboutTop .choose_txt li .box{height:6rem;margin: 0 auto; border-radius: 1rem; text-align: center;display: flex;align-items: center;justify-content: center;flex-direction: column; }
.aboutTop .choose_txt li .year{ font-size: 1.24rem; color: #333; font-family: light; padding-top: 0.55rem; }

.aboutTop .choose_txt .on .box{ background: #fff; box-shadow: 0px 0px 0.8rem 0px rgba(0, 0, 0, 0.08); }
.aboutTop .choose_txt .on .year, .aboutTop .choose_txt .on .name{ color: #037ab6; }

@media (max-width: 993px) {
  .aboutTop .item_box .item .conLayer{
	  top: 10% !important;
	  padding:10px;
	  right: 0!important;
	  margin-right: 0!important;
	  width:auto!important;
  }
}
.aboutTop .conLayer{
	background: linear-gradient(to right, rgb(219 224 226 / 0%) 0%, #DBE0E2 10%);
	padding: 0 1rem;
}
.aboutTop .botbot{ height:27rem; position: relative; }
.aboutTop .item_box{ width:100%; height:100%; position:absolute; left: 0; top: 0; overflow:hidden;}
.aboutTop .item_box img{ width:100%; height:100%; object-fit:cover; position:absolute; top:0; left:0;}
.aboutTop .item_box .bg{ position: absolute; width:100%; height:100%; }
.aboutTop .item_box .item{ display:none;}
.aboutTop .item_box .item:nth-child(1){ display:block;}
.aboutTop .item_box .item .conLayer{ width:45rem;position: absolute; top: 18%; right:70%; margin-right:-60%;  transform: translateY(1rem);
  -webkit-transform: translateY(1rem);
  -moz-transform: translateY(1rem);
  -ms-transform: translateY(1rem);
  -o-transform: translateY(1rem);
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;}

.aboutTop .item_box .item.on .conLayer{ opacity: 1; visibility: visible; transform: translateY(0); -webkit-transform: translateY(0); -moz-transform: translateY(0); -ms-transform: translateY(0); -o-transform: translateY(0); }
.aboutTop .item_box .txt{ font-size:1.5rem; line-height: 2rem; color: #333; height:3rem; position: relative; }
.aboutTop .item_box .txt:after{ content: ''; position: absolute; left: 0; bottom: 0; width: 46px; height: 2px; background: #cbcbcb;}
.aboutTop .item_box .lie{ margin-top:1rem; height:16rem; overflow: auto; padding-right: 8px; }
.aboutTop .item_box .lie::-webkit-scrollbar { width: 3px;}
.aboutTop .item_box .lie::-webkit-scrollbar-track { background-color: #fff;}
.aboutTop .item_box .lie::-webkit-scrollbar-thumb { background-color: #ff7500;} 
.aboutTop .item_box .lie li{ position: relative; padding-left:6rem;margin-bottom:0.5rem; font-size:18px;  }
.aboutTop .item_box .lie li em{ position: absolute; left: 0rem; top: 0; display: block; width: 5rem; height: 0.36rem; text-align: right; }	
.aboutTop .item_box .lie li em:before{ content: ''; position: absolute; left: 0; top: 50%; width: 5px; height: 5px; margin-top: 10px; background: #ff7500; }

@keyframes move_wave {
    0% {
        transform: translateX(0) translateZ(0) scaleY(1)
    }
    50% {
        transform: translateX(-25%) translateZ(0) scaleY(0.55)
    }
    100% {
        transform: translateX(-50%) translateZ(0) scaleY(1)
    }
}

.waveWrapper {
    overflow: hidden;
    position: absolute;
    left: 0;
    width: 100%;
    top: -150px;
    height: 150px;
    z-index: 5;
    pointer-events: none;
}

.waveWrapperInner {
    position: absolute;
    width: 100%;
    overflow: hidden;
    height: 150px;
    bottom: 0;
}

.wave {
    position: absolute;
    left: 0;
    width: 200%;
    height: 100%;
    background-repeat: repeat no-repeat!important;
    background-position: 0 bottom;
    transform-origin: center bottom;
}

.waveMiddle {
    background-size: 50% 55px!important;
}

.waveAnimation .waveMiddle {
    animation: move_wave 10s linear infinite;
}