.kao {
  float: left;
  width: 270px;
}

.kao .zuo-top {
  width: 100%;
  background: url(../images/somreblueblack.png) no-repeat;
  background-image: linear-gradient(90deg, #1465bf 0%, #48a4eb 47%, #48a4eb 56%, #1060bc 100%);
  border-radius: 3px;
  margin-bottom: 20px;
  padding-bottom: 5px;
}

.kao .zuo-top h1 {
  height: 29px;
  line-height: 29px;
  padding-top: 12px;
  margin-left: 20px;
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.kao .zuo-top .zuo-ku {
  width: 250px;
  margin: 0 auto;
  background: #FFFFFF;
  margin-top: 12px;
  margin-bottom: 14px;
  padding-bottom: 18px;
  border-radius: 10px;
}

.kao .zuo-top .zuo-ku ul li a {
  display: block;
  padding-left: 28px;
  padding-right: 15px;
}

.kao .zuo-top .zuo-ku ul li a span {
  width: 84%;
  float: left;
  height: 22px;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #358DED;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kao .zuo-top .zuo-ku ul li a.active>span {
  font-weight: 700;
  color: #1566C0;
}

.kao .zuo-top .zuo-ku ul li .t i {
  float: right;
  margin-right: 10px;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  line-height: 11px;
  text-align: center;
  background: url(../images/Rectangle\ 21.png) no-repeat 0 center;
}

.kao .zuo-top .zuo-ku ul li .t.hover i {
  background: url(../images/Rectangle\ 21\ Copy\ 6.png) no-repeat 0 center;
}

.kao .zuo-top .zuo-ku ul li .txt {
  display: none;
  float: left;
  width: 78%;
  margin-left: 18%;
}

.kao .zuo-top .zuo-ku ul li .txt .txt-nav {
  margin-top: 15px;
}

.kao .zuo-top .zuo-ku ul li .txt .txt-nav .kol {
  float: left;
  margin-top: 8px;
}

.kao .zuo-top .zuo-ku ul li .txt .txt-nav a {
  line-height: 20px;
  height: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #358DED;
}

.kao .zuo-top .zuo-ku ul li .key {
  width: 90%;
  float: left;
  margin-top: 15px;
  margin-bottom: 15px;
  margin-left: 15px;
}

.kao .zuo-top .zuo-ku ul li:first-child>a>span {
  margin-top: 15px;
}

.kao .zuo-top .zuo-ku ul li:first-child>.t>i {
  margin-top: 19px;
}

.kao .zuo {
  background: url(../images/somreblueblack.png);
  background-image: linear-gradient(90deg, #1465bf 0%, #48a4eb 47%, #48a4eb 56%, #1060bc 100%);
  border-radius: 3px;
  margin-bottom: 20px;
  padding-bottom: 20px;
}

.kao .zuo h1 {
  height: 29px;
  line-height: 29px;
  padding-top: 12px;
  margin-left: 20px;
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.kao .zuo .zuo-ku {
  width: 250px;
  margin: 0 auto;
  background: #FFFFFF;
  margin-top: 12px;
  margin-bottom: 14px;
  padding-bottom: 18px;
  border-radius: 10px;
}

.kao .zuo .zuo-ku .ku-con {
  width: 179px;
  margin: 0 auto;
  padding-top: 30px;
}

.kao .zuo .zuo-ku .ku-con p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #464646;
  letter-spacing: 0;
  line-height: 26px;
}

.kao .zuo .zuo-ku .qq {
  margin-left: 41px;
  margin-top: 20px;
}

.kao .zuo .zuo-ku .qq .qq-img {
  float: left;
  width: 30px;
  height: 30px;
  line-height: 27px;
  text-align: center;
}

.kao .zuo .zuo-ku .qq .qq-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}

.kao .zuo .zuo-ku .qq span {
  float: left;
  margin-left: 12px;
  margin-top: 4px;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #464646;
  letter-spacing: 0;
}

.kao .zuo .zuo-ku .button {
  width: 175px;
  height: 35px;
  line-height: 35px;
  margin-left: 41px;
  margin-top: 17px;
  text-align: center;
  background: #FFFFFF;
  border: 1px solid #1D70C7;
  border-radius: 2px;
}

.kao .zuo .zuo-ku .button a {
  display: block;
  width: 100%;
  height: 100%;
}

.kao .zuo .zuo-ku .button a span {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #1D70C7;
  letter-spacing: 0;
}

.kao .zuo .zuo-ku .button:hover {
  background: #1D70C7;
}

.kao .zuo .zuo-ku .button:hover>a>span {
  color: #fff;
}