.aboutmain {
  background: #F8F9FB;
  text-align: center;
}
.aboutmain .aboutnav {
  height: 95px;
  width: 100%;
  background: #fff;
}
.aboutmain .aboutnav .aboutlist {
  position: relative;
  width: 100%;
  background: #fff;
}
.aboutmain .aboutnav .aboutlist.fixtop {
  position: fixed;
  top: 0;
  z-index: 999;
}
.aboutmain .aboutnav .aboutlistbox {
  height: 95px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.aboutmain .aboutnav .aboutlistbox .item {
  padding-right: 65px;
  border-right: 1px solid #C5C5C5;
  font-weight: bold;
  color: #333333;
  font-size: 20px;
  height: 19px;
  line-height: 19px;
  cursor: pointer;
  transition: all .3s;
  position: relative;
}
.aboutmain .aboutnav .aboutlistbox .item:last-child {
  border-right: none;
}
.aboutmain .aboutnav .aboutlistbox .item:hover,
.aboutmain .aboutnav .aboutlistbox .item.on {
  color: #DC051D;
}
.aboutmain .aboutnav .aboutlistbox .item:hover::before,
.aboutmain .aboutnav .aboutlistbox .item.on::before {
  content: '';
  position: absolute;
  left: 26%;
  bottom: -45px;
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 7px;
  transform: rotate(45deg);
  border-color: transparent #DC051D #DC051D transparent;
}
.aboutmain .abouttit {
  margin: 60px auto;
  font-size: 38px;
  font-weight: bold;
  color: #333333;
  text-align: center;
}
.aboutmain .abouttxt {
  background: #fff;
  padding: 50px 36px;
  box-sizing: border-box;
  width: 1200px;
  height: 452px;
}
.aboutmain .abouttxt p {
  text-indent: 20px;
  color: #666666;
  line-height: 27px;
  font-size: 18px;
  text-align: left;
  margin-bottom: 30px;
}
.aboutmain .abouttxt p:last-child {
  margin-bottom: 0;
}
.aboutmain .aboutbz {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.aboutmain .aboutbz .items {
  width: 588px;
  height: 180px;
  margin-bottom: 22px;
}
.aboutmain .aboutbz .items:nth-child(3),
.aboutmain .aboutbz .items:nth-child(4) {
  margin-bottom: 0;
}
.aboutmain .aboutbz .items:hover .src1 {
  display: none;
}
.aboutmain .aboutbz .items:hover .src2 {
  display: block;
}
.aboutmain .aboutbz .items .src2 {
  display: none;
}
.aboutmain .aboutdt {
  background: #fff;
  padding: .5px 0;
  margin-top: 78px;
}
.aboutmain .aboutdt .dtlist {
  padding: 0;
  background: #fff;
  text-align: left;
}
.aboutmain .aboutdt .dtlist .item {
  margin-bottom: 0;
}
.aboutmain .aboutdt .aboutdtmore {
  width: 148px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  color: #fff;
  background: linear-gradient(90deg, #fe422e 0%, #ae000a 100%);
  border-radius: 6px;
  color: #FFFFFF;
  font-size: 16px;
  display: block;
  margin: 49px auto;
}
.aboutmain .aboutdt .aboutdtmore:hover {
  background: #DD041D;
}
.aboutmain .lcbox {
  white-space: nowrap;
}
.aboutmain .lcbox .lcitem {
  width: 40px;
  font-size: 18px;
  font-family: Arial!important;
  font-weight: bold;
  color: #A3A3A3;
  display: inline-block;
  position: relative;
  padding-left: 85px;
  cursor: pointer;
}
.aboutmain .lcbox .lcitem:first-child {
  padding-left: 0;
}
.aboutmain .lcbox .lcitem:first-child::before {
  display: none;
}
.aboutmain .lcbox .lcitem::before {
  content: '';
  position: absolute;
  left: -23px;
  top: 7.5px;
  width: 124px;
  height: 1px;
  background: #B8B7B7;
}
.aboutmain .lcbox .lcitem.on {
  color: #EE001A;
}
.aboutmain .lcbox .lcitem.on i {
  background: #EE001A;
  border: 5px solid #f3c7ce;
}
.aboutmain .lcbox .lcitem i {
  width: 6px;
  height: 6px;
  background: #A3A3A3;
  border-radius: 50%;
  display: block;
  border: 5px solid #e7e8e9;
  margin: 0 auto;
  margin-bottom: 10px;
}
.aboutmain .lcbox .lclist {
  margin-top: 56px;
  text-align: left;
}
.aboutmain .lcbox .lclist .outer {
  display: none;
}
.aboutmain .lcbox .lclist .outer.show {
  display: block;
}
.aboutmain .lcbox .lclist .outer p {
  width: 154px;
  margin-right: 75px;
  font-size: 72px;
  font-family: Arial!important;
  color: #EE001A;
  vertical-align: top;
  display: inline-block;
  margin-left: 55px;
}
.aboutmain .lcbox .lclist .outer ul {
  display: inline-block;
  width: 800px;
  text-align: left;
}
.aboutmain .lcbox .lclist .outer ul li {
  font-size: 18px;
  color: #3A3A3A;
  margin-bottom: 18px;
  padding-left: 20px;
  position: relative;
  white-space: break-spaces;
  line-height: 30px;
}
.aboutmain .lcbox .lclist .outer ul li:last-child {
  margin-bottom: 0;
}
.aboutmain .lcbox .lclist .outer ul li::before {
  position: absolute;
  top: 9px;
  left: 0;
  content: '';
  width: 7px;
  height: 7px;
  background: #DC0702;
  border-radius: 50%;
}
.aboutmain .aboutdtbox {
  text-align: left;
  padding-bottom: 93px;
}
.aboutmain .aboutdtbox .src1 {
  width: 261px;
  height: 424px;
  margin-right: 44px;
  display: inline-block;
  vertical-align: top;
}
.aboutmain .aboutdtbox .r {
  width: 890px;
  display: inline-block;
}
.aboutmain .aboutdtbox .r .rmain {
  width: 890px;
  height: 54px;
  background: #FFFFFF;
  border-radius: 27px;
  display: flex;
  align-items: center;
  position: relative;
}
.aboutmain .aboutdtbox .r .rybox {
  width: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.aboutmain .aboutdtbox .r .rybox .swiper-container {
  margin: 0 auto;
}
.aboutmain .aboutdtbox .r .rybox .ryitem {
  width: 93px;
  height: 46px;
  line-height: 46px;
  text-align: center;
  border-radius: 23px;
  font-weight: bold;
  color: #999999;
  font-size: 20px;
  font-family: Arial!important;
  cursor: pointer;
}
.aboutmain .aboutdtbox .r .rybox .ryitem:hover {
  color: #DC0702;
}
.aboutmain .aboutdtbox .r .rybox .ryitem.on {
  background: #DC0702;
  color: #fff;
}
.aboutmain .aboutdtbox .swiper-button-prev {
  background-image: url(https://yidian-shopping.oss-cn-beijing.aliyuncs.com/pc/about/about_left.png);
  width: 18px;
  height: 18px;
  background-size: cover;
  top: 40px;
  outline: none;
  left: 13px;
}
.aboutmain .aboutdtbox .swiper-button-next {
  background-image: url(https://yidian-shopping.oss-cn-beijing.aliyuncs.com/pc/about/about_next.png);
  width: 18px;
  height: 18px;
  background-size: cover;
  top: 40px;
  outline: none;
  right: 13px;
}
.aboutmain .rylist .outer {
  display: none;
}
.aboutmain .rylist .outer.show {
  display: block;
}
.aboutmain .rylist .outer.show li::selection {
  background-color: #fff;
}
.aboutmain .rylist .outer ul {
  display: inline-block;
  text-align: left;
  margin-top: 51px;
  margin-left: 13px;
}
.aboutmain .rylist .outer ul li {
  font-size: 16px;
  color: #333;
  margin-bottom: 19px;
  padding-left: 50px;
  position: relative;
}
.aboutmain .rylist .outer ul li::selection {
  background-color: #fff;
}
.aboutmain .rylist .outer ul li:last-child {
  margin-bottom: 0;
}
.aboutmain .rylist .outer ul li::before {
  position: absolute;
  top: 9px;
  left: 28px;
  content: '';
  width: 7px;
  height: 7px;
  background: #DC0702;
  border-radius: 50%;
}