.banner{width:100%;position:relative;top:0px;height:60%;z-index:0;background:rgba(0,0,0,0.9);overflow:hidden;}
.banner .background{width:100%;height:100%;position:absolute;z-index:1;background:rgba(0,0,0,0.9);}
.banner .background #sliderImg{width:100%;height:100%; animation:zoom 0s linear infinite;}
@keyframes zoom{
    0%{transform: scale(1.3);}
    15%{transform: scale(1);}
    85%{transform: scale(1);}
    100%{transform: scale(1.3);}
}
.banner .back_opac{width:100%;height:100%;position:absolute;z-index:2;background:rgba(0,0,0,0);}

section{width:100%;}
section .customer_service{padding-top:70px;width:90%;margin:auto;display:flex;}
section .customer_service .left_side{width:50%;}
section .customer_service .left_side h2{font-size:30px;font-family:var(--MT-ffb);}
section .customer_service .left_side p{font-size:18px;}
section .customer_service .left_side .contact_box{display:flex;width:100%;margin-top:40px;font-size:18px;}
section .customer_service .left_side .contact_box .box_left{width:20%;font-family:var(--MT-ffb);padding-top:10px;}
section .customer_service .left_side .contact_box .box_right{width:79%;border-left:2px solid #000;padding-left:20px;}

section .customer_service .right_side{width:49%;}
section .customer_service .right_side img{width:80%;margin-top:40%;margin-left:10%;}

@media (max-width: 1152px){
    section .customer_service .left_side p{font-size:16px;}
    section .customer_service .left_side .contact_box{margin-top:30px;font-size:16px;}
}
@media (max-width: 1024px){
   
}
@media (max-width: 960px){
    section .customer_service .left_side h2{font-size:20px;}
    section .customer_service .left_side p{font-size:12px;}
    section .customer_service .left_side .contact_box{margin-top:30px;font-size:12px;}
}
@media (max-width: 679px){
    .banner{width:100%;height:30%;}
    section .customer_service{padding-top:30px;padding-left:3%;width:95%;display:inline-block;}
    section .customer_service .left_side{width:100%;}
    section .customer_service .right_side{display:none;}
}