.cf {
  zoom: 1;
}

.cf:after {
  content: '020';
  height: 0px;
  display: block;
  overflow: hidden;
  clear: both;
}

.banner img {
  display: block;
  width: 100%;
  height: auto;
}

.cont {
  width: 1200px;
  margin: auto;
  margin-top: 30px;
}

.zt-top span {
  font-weight: 700;
  font-size: 28px;
  text-align: left;
  color: #0c42c0;
}

.zt-title {
  width: 750px;
  height: 50px;
  margin: auto;
  margin-top: 30px;
  text-align: center;
  font-family: "Microsoft YaHei Bold";
  font-weight: 700;
  font-size: 20px;
  background: linear-gradient(180.00deg, #477ee1 0%, #3552c7 100%);
}

.zt-title span {
  text-align: center;
  line-height: 50px;
  color: white;
}

.xxlist {
  margin-top: 30px;
  min-height: 300px;
  display: flex;
  flex-wrap: wrap;
}

.xxlist a {
  display: block;
  width: 380px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 50px;
  background-color: #f9fcff;
  border: 1px solid #e5f1f8;
  text-align: center;
  padding: 10px;
  margin-left: 30px;
  margin-bottom: 30px;
  color: #333;
}
.xxlist a:hover{
  color: #0c42c0;
}
.xxlist a:nth-child(3n-2){
  margin-left: 0;
}
.old_type .zt-top span{
  font-size: 36px;
  line-height: 2;
}
.old_type .zt-title {
  width: 1000px;
  height: auto;
  font-size: 36px;
  line-height: 2;
}
.old_type .xxlist {
  justify-content: space-between;
}
.old_type .xxlist a {
  width: 585px;
  font-size: 28px;
  line-height: 70px;
  margin-left: 0;
}
.mobile_type{
  min-width: none;
  width: 100% !important;
}
.mobile_type .cont {
  width: 100%;
  margin-top: 4vw;
  padding: 0 2vw;
}
.mobile_type .zt-top span{
  font-size: 5vw;
}
.mobile_type .zt-title {
  width: 100%;
  height: auto;
  margin-top: 3vw;
  font-size: 4vw;
}
.mobile_type .zt-title span{
  line-height: 2;
}
.mobile_type .xxlist {
  margin-top: 4vw;
  min-height: unset;
}
.mobile_type .xxlist a {
  width: 100%;
  line-height: 2;
  padding: 1vw 2vw;
  margin-left: 0;
  margin-bottom: 3vw;
}