body {
  background-color: #fff;
}
.w1696 {
  max-width: 1696px;
  min-width: 1200px;
  padding: 5.9% 5.9% 0;
}
.sc-1_item a {
  width: 24%;
  margin-bottom: 24px;
  position: relative;
  margin-right: 16px;
}
.sc-1_item a:nth-of-type(4n){
	margin-right: 0;
}
.sc-1_item {
	justify-content: flex-start;
}
.sc-1_item a img {
  width: 100%;
}
.sc-sc_case {
  position: absolute;
  color: #fff;
  bottom: 0;
  background: -webkit-linear-gradient(
    rgba(225, 225, 225, 0),
    rgba(0, 0, 0, 0.7)
  );
  background: -o-linear-gradient(rgba(225, 225, 225, 0), rgba(0, 0, 0, 0.7));
  background: -moz-linear-gradient(rgba(225, 225, 225, 0), rgba(0, 0, 0, 0.7));
  background: linear-gradient(rgba(225, 225, 225, 0), rgba(0, 0, 0, 0.7));
  width: 100%;
  height: 90px;
  padding: 35px 0 0 24px;
  box-sizing: border-box;
}
.sc-sc_case strong {
  font-size: 18px;
  display: block;
}
.sc-sc_case span {
  font-size: 14px;
  display: block;
}
.sc-sc_start {
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 20;
  background-color: rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}
.sc-sc_start em {
  width: 86%;
  height: 68px;
  position: absolute;
  bottom: 0;
  color: #f9f9f9;
  font-style: normal;
  padding: 0 7% 5%;
}
.sc-sc_start em p strong {
  display: block;
  font-size: 16px;
}
.sc-sc_start em p span {
  display: block;
  font-size: 18px;
  font-weight: bold;
}
.sc-sc_start em img {
  width: 60px;
}
#aaa{
  width: 100%;
  position: absolute;
  top: 0;
  left:0;
  right: 0;
  bottom: 0;
  display: none;
}
#aaa article{
  position: absolute;
  top: 0;
  left:0;
  right: 0;
  bottom: 0;
}
.mark-sc{
  position: absolute;
  top: 0;
  left:0;
  right: 0;
  bottom: 0;

}
.sC-co-mark {
  width: 100%;
  height: 100%;
  z-index: 33;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.5);
  top: 0;
  left:0;
  right: 0;
  bottom: 0;

}
.sC-co-popup {
	background-color:#fff;
 	padding:14px 0;
 	display:block;
 	margin-bottom:100px;
 	position:fixed;
 	left:50%;
 	top:50%;
 	transform:translate(-50%,-50%);
 	z-index:99;
}
.sC-co-popup .auto {
  /* overflow: auto; */
}
.sC-co-popup_swiper {
  position: relative;
  //height: 779px;
}
.sC-co-popup_swiper .swiper-container {
  width: 900px;
  height: 500px;
}
.sC-co-popup_swiper .swiper-container img{
  width: 900px;
  height: 500px;
}
.sC-co-popup_swiper .swiper-button-next,
.sC-co-popup_swiper .swiper-button-prev {
  top: 281px;

  background: #e71b1b;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  vertical-align: middle;
  line-height: 30px;
  text-align: center;
  padding-top: 6px;
  box-sizing: border-box;
  margin: 0;
}
.sC-co-popup_swiper .swiper-pagination .swiper-pagination-bullet-active {
  background-color: #d21f19;
}
.swiper-container-horizontal
  > .swiper-pagination-bullets
  .swiper-pagination-bullet {
  margin: 0 5px;
}
.w1114 {
  width: 1114px;
  margin: auto;
}
.w1114 h3 {
  font-size: 42px;
  font-weight: bold;
  color: #333;
}
.sC-co-video {
    width: 1000px;
    height: 500px;
    box-sizing: border-box;
    padding: 43px;
    background: #fff;
    margin: auto;
}