.adv_box
{
padding:25px;
background:#fefefecc;
border-radius: 10px;
border:2px solid #fff;
box-shadow: 0px 5px 5px 0px #6661;
}
.adv_box .bt
{
font-size:20px;
color:#333;
font-weight:700;
padding-left:15px;
}
.adv_box .jj
{
font-size:16px;
color:#666;
padding-top:10px;
}
.adv_box .jj, .adv_box .bt, .adv_box .yd
{
    z-index: 1;
    position: relative;
    transition: 0.5s;
}
.adv_box:hover .jj, .adv_box:hover .bt
{
color:#fff;
}
 .adv_box:hover .yd
{
    background: #fff!important;
    box-shadow: 0px 0 5px 2px #fff8!important;
}

/*动效*/
.adv_box:after {
    content: "";
    position: absolute;
    top: 0%;
    left: 0%;
right:0%;
bottom:0%;
border-radius:10px;
background: linear-gradient(90deg, rgba(16, 140, 238, 1) 0%, rgba(40, 95, 218, 1) 100%);
    transform: scale(0);
    opacity: 0;
    transition: 0.5s;
z-index:0;
}
.adv_box:hover:after {
     transform: scale(1);
    opacity: 1;
}
@media screen and (max-width: 1366px){
.pc_pattern #u764205 {
    margin-top: 34.5%!important;
}
}