.dahua_cont { display: flex;  flex-wrap: wrap;}
.dahua_cnlft {  width: calc(100% - 692px);    padding-right: 30px;}
.dahua_cnrgt {width: 692px;position: sticky;-webkit-position: sticky; top: 0;align-self: flex-start}
.dahua_cnlft .title{line-height: 50px;    padding-bottom: 10px;}
.uldahua_cnlft{padding-top: 20px}
.uldahua_cnlft li{width: 50%;}
/*.dh_ulbx li{width: 50%;}*/
.dh_contain {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;    padding-top: 32px;
}
.dh_cnleft {
    width: 664px;
    background: #f8f8f8;
    padding: 40px 30px 30px;
}
.dh_cnright {
    width: calc(100% - 664px);
    padding-left: 58px;
}
ul.dh_ulbx {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
}
.dahua_box {   display: flex;   flex-wrap: wrap;    background: #F8F8F8;   padding: 70px 70px 63px;}
.dahuabox_rgt {  width: 597px;    background: #fff;padding: 57px 47px 63px;     position: sticky;   -webkit-position: sticky;   top: 0;   align-self: flex-start;}
.dahuabox_left {
    width: calc(100% - 597px);
    padding-right: 84px;
}
.dahua_vid{padding-top: 45px;}
.blueclr{color: #00afec;}
.dahua_contain { padding: 58px 0px 74px;}
.dahuabox_left .title{line-height: 50px;}

.dh_ulbx{
    margin:0 -10px;
}
.dh_ulbx li{
    width: 50%;
    text-align: center;
    padding: 0 10px;
}
.dh_ulbx li img{
    margin-bottom: 10px;
}
.dh_ulbx li p{
    text-align: left;
}
.dh_ulbx li p br{
    display: none;
}

/*=============== media query ================ */
@media screen and (max-width:1600px){	
    .dahua_cnlft { width: calc(100% - 450px); padding-right: 15px;}
    .dahua_cnrgt { width: 450px;}
    .dahua_box {padding: 50px;}
    .dahuabox_left {padding-right: 50px;}
    .dahuabox_left .title br{display: none;}
}

@media screen and (max-width:1440px){
    .dahua_cnlft .title br{ display: none;}
    .uldahua_cnlft li { width: 50%;  line-height: 30px;  margin-bottom: 15px;}
    .dlist li:before { margin: 0 auto;  top: 8px;}
    .dh_cnright { width: calc(100% - 500px);  padding-left: 50px;}
    .dh_cnleft {width: 500px; padding: 30px;}
    ul.dh_ulbx { align-items: center;  justify-content: space-between;}
    .dahua_contain { padding: 50px 0px;}
    .dahuabox_left {padding-right: 40px;    width: calc(100% - 500px);}
    .dahuabox_rgt {  width: 500px;  padding: 40px;}
    .dahua_box { padding: 40px;}
    
}
@media screen and (max-width:1366px){
}
@media screen and (max-width:1280px){
}
@media screen and (max-width:1200px){
    .uldahua_cnlft li { width: 100%;}
        .dahua_cnlft { width: 100%; padding-right: 0px;padding-bottom: 15px;    }
    .dahua_cnrgt { width: 100%;position: relative;    -webkit-position: relative;   top: 0;   align-self: auto;}
    .dahua_cnlft .title { line-height: 32px;}
    .dahua_contain {  padding: 40px 0px;}
    .dahuabox_left {padding-right: 0px;    width: 100%;}
    .dahuabox_rgt {  width: 100%;  padding: 30px;margin-top: 30px; text-align: center; position: relative;   -webkit-position: relative;   top: 0;   align-self: none;}
    .dahuabox_left .title { line-height: 32px;}
}
@media screen and (max-width:1120px){
 
}
@media screen and (max-width:1024px){
}
@media screen and (max-width:992px){
        .dh_cnright { width: 100%;  padding-left: 0px;}
    .dh_cnleft {width: 100%; padding: 30px;    margin-bottom: 30px;}
    .dh_ulbx li { width: 100%;  text-align: center; padding-bottom: 0px;margin-bottom: 10px;}
    .dh_ulbx li p{
        text-align: center;
    }
    ul.dh_ulbx { align-items: center;  justify-content: space-between;}
    .dahua_box { padding: 30px 15px;}
}
@media screen and (max-width:860px){
}
@media screen and (max-width: 768px){
    .dh_ulbx li { width: 100%;  text-align: center; padding-bottom: 15px;}
    .dh_ulbx li p br{display: none;}
    .dahuabox_rgt video.dahua_vid{
        width: 100%;
    }
}
@media screen and (max-width: 600px){
}
@media screen and (max-width:580px){}
@media screen and (max-width:350px){
}