dl{
  margin: 0;
}

.banner{position: relative;}
.banner_list{
  position: absolute;
  left: 50%;
  bottom: 0; 
  width: 1290px;
  margin-left: -645px;
  z-index: 9;
  overflow: hidden;
  color: #fff;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.banner_list dl{width: 24%;overflow: hidden;cursor: pointer;}
.banner_list dt{
  overflow: hidden;
  position: relative;}
.xz_indeximg{position: relative;}
.xz_indeximg img{
  width: 100%;
}
.xz_indeximg a{
  display: block;
}
.xz_insert{
  position: absolute;
  /* top:42%; */

  bottom:-75px;
  left: 0; 
  width: 100%;
  height: 100%;}
.xz_indextext{position: absolute;width: 100%;height: 100%;box-sizing:border-box;left: 0;top:0;}
.xz_indextext h2{font-size: 20px;}
.xz_indextext h2 a{
  position: relative;
  top: 22px;
  left: 19px;
  color: #fff;
}

.banner_list_m{position: absolute;bottom: 25px;width: 100%;}
.banner_list_m a{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.banner_list_m em{
  float: left;
  font-weight: 600;
  font-size: 14px;
  font-style: normal;
  color: #fff;
}
.banner_list_m em img{width: 136px;height: 25px;}
.banner_list_m i{float: left;
  /* margin-top: 6px;margin-left: 15px; */
}
@media only screen and (max-width:1520px) {
.banner_list{width: 80%;margin-left: -40%;}
}
@media only screen and (max-width:1440px) {
.xz_indextext h2{font-size: 30px;}
}
@media only screen and (max-width:1366px) {
.xz_indextext h2{font-size: 24px;}
.xz_indextext p{font-size: 16px;}

}
@media only screen and (max-width:1200px) {
.banner_list{    width: 90%; margin-left: -45%;}
.xz_indextext h2{font-size: 20px;}
}
@media only screen and (max-width:1024px) {

/* .banner_list{position: static; width: 94%;   margin: auto;margin-top: 20px;} */
.xz_insert{top:0;}
.xz_indextext h2{font-size: 20px;}
.banner_list_m em img{width: 115px;height: 21px;}
.banner_list_m i{margin-left: 10px;margin-top: 4px;}
.banner_list_m{bottom: 20px;}
}
@media only screen and (max-width:767px) {
.banner_list dl{width: 50%;margin-bottom: 8px;}
.banner_list_m em img{width: 136px;height: 25px;}
.xz_indextext h2{font-size: 16px;display: inline-block;}
.xz_indextext p{font-size: 12px;}
.banner_list_m em,.banner_list_m i{display: block;float: none;margin: 0;}
.banner_list_m{left: 0;padding:10px 20px;box-sizing:border-box;    bottom: 0;}
.banner_list_m em{margin-bottom: 10px;}
}

@media only screen and (min-width:1025px) {
  .xz_insert{
    transition:all 0.6s;-webkit-transition:all 0.6s;-moz-transition:all 0.6s;-o-transition:all 0.6s;-ms-transition:all 0.6s;}
  .banner_list_m a:hover,.xz_indextext h2 a:hover{color: #fff !important;opacity: 0.8;}
  .banner_list dl dt:hover .xz_insert{
    bottom: -6px;
  }
}
.banner_list dl:nth-child(1) dt:hover .xz_blank{background:rgb(45,102,158,0.3);}
.banner_list dl:nth-child(2) dt:hover .xz_blank{background:rgba(10, 193, 254, 0.3);}
.banner_list dl:nth-child(3) dt:hover .xz_blank{background:rgb(27,40,80,0.3);}
.banner_list dl:nth-child(4) dt:hover .xz_blank{background:rgb(207,76,87,0.3);}
.xz_insert,.xz_blank{transition:all 0.6s;-webkit-transition:all 0.6s;-moz-transition:all 0.6s;-o-transition:all 0.6s;-ms-transition:all 0.6s;}
.xz_blank{position: absolute;left: 0;top:0;width:100%;height: 100%;
  border-radius: 40px;
  /* background:rgb(45,102,158,0.3); */
}

/* .banner_list dl:nth-child(2) .xz_blank{background:rgb(255,130,4,0.3);} */
/* .banner_list dl:nth-child(3) .xz_blank{background:rgb(27,40,80,0.3);} */
/* .banner_list dl:nth-child(4) .xz_blank{background:rgb(207,76,87,0.3);} */