.hjzf_aboutus-13{width: 100%;height: auto;margin: auto;}
.aboutus-12_itembox{width: 50%;float: left;position: relative;overflow: hidden;}
.aboutus-12_itembox a{display: block;padding: 55px 50px;color: #fff;position: relative;}
.itembox_bg{width: 100%;height: 100%;position: absolute;top: 0;left: 0;-o-transition: 0.6s;-webkit-transition: 0.6s;transition: 0.6s;}
.main-banner-more-btn{position: absolute;
    bottom: 32px;
    right: 32px;
    z-index: 2;
    width: 35px;
    height: 35px;    
    -webkit-transition: all 0.4s;
    -moz-transition: all 0.4s;
    -o-transition: all 0.4s;
    -ms-transition: all 0.4s;
    transition: all 0.4s;}
.main-banner-more-btn::before{content: '';display: block;width: 100%;height: 1px;background: #fff;position: absolute;top:50%;left: 0;transform: translate(0,-50%);-webkit-transform: translate(0,-50%);}    
.main-banner-more-btn::after{content: '';display: block;width: 1px;height: 100%;background: #fff;position: absolute;top:0;left: 50%;transform: translate(-50%,0);-webkit-transform: translate(-50%,0);}    
.aboutus-12_itembox:hover .main-banner-more-btn{transform: rotate(90deg);-webkit-transform: rotate(90deg);transition: 0.6s ease;-webkit-transition: 0.6s ease;}
.aboutus-12_itembox:hover .itembox_bg{-webkit-transform: scale(1.1);-ms-transform: scale(1.1);transform: scale(1.1);-webkit-transition: 0.6s;-o-transition: 0.6s;transition: 0.6s;}
@media (max-width:991px){
    .aboutus-12_box{flex-wrap: wrap;}
    .main-banner-more-btn{display: none;}
    .aboutus-12_itembox{width: 100%;float: initial;}
    .aboutus-12_itembox a{padding: 25px 15px;}
}