.kao {
  height: 45px;
  background: #FFFFFF;
  border-top: 1px solid #DDDDDD;
  border-bottom: 1px solid #DDDDDD;
  box-sizing: border-box;
}

.kao h2 {
  display: inline-block;
  margin-top: 11px;
  margin-left: 20px;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #484848;
  letter-spacing: 0;
}

.kao h3 {
  display: inline-block;
  margin-top: 11px;
  margin-left: 6px;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #484848;
  letter-spacing: 0;
}

.about .about-nav {
  width: 1100px;
  margin: 0 auto;
  margin-top: 20px;
}

.about .about-nav .zuo {
  float: left;
  width: 250px;
}

.about .about-nav .zuo .zuo-nav {
  margin-bottom: 24px;
}

.about .about-nav .zuo .zuo-nav h1 {
  width: 100%;
  height: 44px;
  background: #656565;
  border-top: 10px solid #7F050F;
}

.about .about-nav .zuo .zuo-nav h1 span {
  display: block;
  height: 22px;
  margin-top: 11px;
  margin-left: 10px;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to {
  background: #DDDFE0;
  padding-top: 20px;
  padding-bottom: 20px;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a {
  display: block;
  margin-left: 15px;
  margin-bottom: 6px;
  width: 220px;
  height: 40px;
  background-image: linear-gradient(-180deg, #ffffff 0%, #fafafa 50%, #dbd9da 100%);
  border: 1px solid #C0BABB;
  box-sizing: border-box;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a span {
  display: block;
  width: 85%;
  margin-top: 8px;
  margin-left: 16px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #5E5E5E;
  letter-spacing: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a.active {
  background: #7F050F;
  border: 1px solid #C0BABB;
  box-sizing: border-box;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a.active span {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a:hover {
  background: #7F050F;
  border: 1px solid #C0BABB;
  box-sizing: border-box;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .li-top a:hover span {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .txt {
  display: none;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .txt .txt-nav a {
  display: block;
  margin-left: 55px;
  margin-bottom: 6px;
  width: 180px;
  height: 40px;
  background: #A3A3A3;
  border: 1px solid #C0BABB;
  box-sizing: border-box;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .txt .txt-nav a span {
  display: block;
  margin-top: 8px;
  margin-left: 16px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .txt .txt-nav a:hover {
  background: #7F050F;
  border: 1px solid #C0BABB;
  box-sizing: border-box;
}

.about .about-nav .zuo .zuo-nav .zuo-to ul li .txt .txt-nav a:hover span {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to p {
  display: block;
  margin-left: 30px;
  margin-right: 30px;
  line-height: 22px;
  margin-bottom: 10px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #464646;
  letter-spacing: 0;
}

.about .about-nav .zuo .zuo-nav .zuo-to p span {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #464646;
  letter-spacing: 0;
}

.about .about-nav .you {
  float: left;
  width: 826px;
  margin-left: 24px;
}

.about .about-nav .you .you-nav {
  background: #FFFFFF;
  border: 1px solid #DDDDDD;
  box-sizing: border-box;
  margin-top: 20px;
}

.about .about-nav .you .you-nav .conxt .tupian {
  float: left;
}

.about .about-nav .you .you-nav .conxt .tupian .tu-img {
  width: 322px;
  height: 260px;
  line-height: 255px;
  text-align: center;
  margin-top: 20px;
  margin-left: 20px;
  border: 1px solid #4D4D4D;
  box-sizing: border-box;
}

.about .about-nav .you .you-nav .conxt .tupian .tu-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}

.about .about-nav .you .you-nav .conxt .conpxt {
  float: left;
  margin-top: 21px;
  margin-left: 24px;
}

.about .about-nav .you .you-nav .conxt .conpxt h1 {
  line-height: 25px;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #000000;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .conxt .conpxt .key {
  width: 458px;
  height: 1px;
  background: #DDDDDD;
  margin-top: 14px;
  margin-bottom: 14px;
}

.about .about-nav .you .you-nav .conxt .conpxt .jg {
  line-height: 25px;
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #CB1418;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .conxt .conpxt .xinsi {
  margin-top: 14px;
}

.about .about-nav .you .you-nav .conxt .conpxt .xinsi .xinsi-nav {
  float: left;
}

.about .about-nav .you .you-nav .conxt .conpxt .xinsi .xinsi-nav p {
  line-height: 22px;
  margin-bottom: 20px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #464646;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .conxt .conpxt .xinsi .order {
  float: right;
  margin-right: 40px;
  margin-top: 36px;
  width: 100px;
  height: 60px;
  line-height: 60px;
  background: #7F050F;
  border-radius: 15px;
}

.about .about-nav .you .you-nav .conxt .conpxt .xinsi .order a {
  display: block;
  text-align: center;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .conxt .conpxt .ding {
  margin-top: 6px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #464646;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .conxt .conpxt .ding span {
  color: #CB1418;
}

.about .about-nav .you .you-nav .cansu {
  margin-top: 20px;
}

.about .about-nav .you .you-nav .cansu .xinsi-nav {
  margin-left: 20px;
  margin-top: 20px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  line-height: 26px;
  color: #464646;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .xqing {
  margin-top: 20px;
}

.about .about-nav .you .you-nav .xqing .sm {
  margin: 20px 100px 40px 36px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  line-height: 26px;
  color: #000000;
  letter-spacing: 0;
  white-space: pre-line;
  text-align: Justify;
  text-justify: inter-ideograph;
}

.about .about-nav .you .you-nav .xqing .sm img {
  max-width: 100%;
  height: auto;
}

.about .about-nav .you .you-nav .orders .orderbox {
  margin-top: 20px;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan {
  float: left;
  margin-bottom: 14px;
  margin-left: 35px;
  height: 30px;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan i {
  float: left;
  width: 12px;
  height: 17px;
  margin-top: 4px;
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #FF2D2D;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan span {
  margin-right: 30px;
  height: 30px;
  float: left;
  margin-top: 5px;
  font-family: PingFangSC-Medium;
  font-size: 14px;
  color: #A1A1A1;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan .tongyong {
  float: left;
  height: 30px;
  width: 200px;
  border: 1px solid #C8C8C8;
  box-sizing: border-box;
  border-radius: 4px;
  background: #FFFFFF;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan .tongyong input {
  width: 170px;
  margin-left: 12px;
  font-size: 12px;
  background: none;
  height: 30px;
  border: none;
  outline: none;
  margin-top: -1px;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan .tongyong input::-ms-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #D7D7D7;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan .tongyong input::-webkit-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #D7D7D7;
}

.about .about-nav .you .you-nav .orders .orderbox .biaodan:nth-child(2)>span {
  margin-right: 16px;
}

.about .about-nav .you .you-nav .orders .orderbox .noo {
  margin-left: 47px;
}

.about .about-nav .you .you-nav .orders .orderbox .noo span {
  margin-right: 30px;
  height: 30px;
  float: left;
  margin-top: 5px;
  font-family: PingFangSC-Medium;
  font-size: 14px;
  color: #A1A1A1;
  letter-spacing: 0;
}

.about .about-nav .you .you-nav .orders .orderbox .noo .noo-text {
  display: inline-block;
  background: #FFFFFF;
  border: 1px solid #C8C8C8;
  border-radius: 4px;
  box-sizing: border-box;
}

.about .about-nav .you .you-nav .orders .orderbox .noo .noo-text textarea {
  float: left;
  width: 589px;
  height: 130px;
  padding-top: 10px;
  margin-left: 12px;
  outline: none;
  border: none;
}

.about .about-nav .you .you-nav .orders .orderbox .noo .noo-text textarea::-ms-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #D7D7D7;
}

.about .about-nav .you .you-nav .orders .orderbox .noo .noo-text textarea::-webkit-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #D7D7D7;
}

.about .about-nav .you .you-nav .orders button {
  margin-top: 23px;
  margin-left: 110px;
  margin-bottom: 30px;
  width: 120px;
  height: 32px;
  border: none;
  background: #7F050F;
  border-radius: 2px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #fff;
  letter-spacing: 0;
  cursor: pointer
}

.about .about-nav .you .you-nav .orders #btnSubmit2 {
  margin-top: 23px;
  margin-left: 36px;
  margin-bottom: 30px;
  width: 120px;
  height: 32px;
  border: none;
  background: #6D6D6D;
  border-radius: 2px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #fff;
  letter-spacing: 0;
}