.dtmain .banner {
  width: 100%;
  height: 500px;
  background: url(https://yidian-shopping.oss-cn-beijing.aliyuncs.com/pc/about/stbanner.png) center center no-repeat;
  background-size: cover;
  padding-top: 50px;
  box-sizing: border-box;
}
.dtmain .banner p {
  font-size: 48px;
  font-weight: 300;
  color: #000103;
  line-height: 74px;
}
.dtmain .banner a {
  width: 148px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  background: linear-gradient(90deg, #fe422e 0%, #ae000a 100%);
  border-radius: 6px;
  font-size: 16px;
  color: #FFFFFF;
  margin-top: 36px;
  display: block;
}
.dtmain .banner a:hover {
  background: #D00A21;
}
.dtmain .dytitile {
  font-weight: bold;
  color: #333333;
  font-size: 38px;
  margin: 0 auto;
  margin-bottom: 58px;
  width: 1200px;
  text-align: center;
}
.dtmain .dtlist {
  padding-top: 69px;
  padding-bottom: 70px;
  background: #F8F9FB;
  display: flex;
  justify-content: start;
  align-items: center;
  flex-wrap: wrap;
}
.dtmain .dtlist .orderlist {
  display: flex;
  justify-content: start;
  align-items: center;
  flex-wrap: wrap;
}
.dtmain .dtlist .item {
  display: inline-block;
  width: 387px;
  height: 400px;
  background: #FFFFFF;
  box-shadow: 0px 0px 13px 0px #F1F4F6;
  margin-bottom: 19px;
  margin-right: 15px;
  transition: all .3s;
}
.dtmain .dtlist .item:nth-child(3n) {
  margin-right: 0;
}
.dtmain .dtlist .item:hover {
  background: #DD041D;
}
.dtmain .dtlist .item:hover .date,
.dtmain .dtlist .item:hover .tit {
  color: #FFFFFF;
}
.dtmain .dtlist .item:hover .tit {
  text-decoration: underline;
}
.dtmain .dtlist .item img {
  width: 100%;
  height: 240px;
}
.dtmain .dtlist .item .date {
  margin: 26px 0 16px 25px;
  font-size: 18px;
  font-family: Arial!important;
  color: #333333;
}
.dtmain .dtlist .item .tit {
  margin: 0 25px;
  font-size: 20px;
  color: #333333;
  line-height: 32px;
  white-space: normal;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  word-break: break-all;
  overflow: hidden;
}
.dtmain .dtlist .paging {
  width: 1200px;
  display: flex;
  margin: 70px auto 0px;
  justify-content: center;
}
.dtmain .dtlist .paging .layui-laypage a,
.dtmain .dtlist .paging .layui-laypage span {
  box-sizing: border-box;
  display: inline-block;
  padding: 0;
  height: 51px;
  width: 51px;
  line-height: 51px;
  margin: 0 0 0 15px;
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  background: #FFFFFF;
  border: 1px solid #E5E5EA;
  box-shadow: 0px 5px 20px rgba(103, 174, 255, 0.2);
  border-radius: 4px;
}
.dtmain .dtlist .paging .layui-laypage-em {
  background: #D61518;
  box-shadow: 0px 5px 20px rgba(103, 174, 255, 0.2);
  border-radius: 4px;
}
.dtmain .about {
  padding: 69px 0;
}
.dtmain .about p {
  font-size: 18px;
  color: #333333;
  margin-bottom: 15px;
  text-align: left;
}
.dtmain .about p span {
  font-size: 18px;
  font-family: Arial!important;
  color: #333333;
}
.dtmain .about .r2 {
  cursor: pointer;
  width: 148px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  margin-top: 47px;
  background: linear-gradient(90deg, #fe422e 0%, #ae000a 100%);
  border-radius: 6px;
  color: #FFFFFF;
  font-size: 16px;
  display: block;
}
.dtmain .about .r2:hover {
  background: #DD041D;
}
.dtmain .about img {
  position: absolute;
  width: 638px;
  height: 282px;
  right: 0;
  top: 0;
}