.kbmore_vido .core{
    height: 630px;
}
.kbmore_vido .core iframe{
    width: 100%;
    height: 100%;
}
.view_box{
    height: 500px;
}
.view_box iframe{
    width: 100%;
    height: 100%;
}
@media (max-width: 768px){
    .kbmore_vido .core{
        height: 415px;
    }
}
@media (max-width: 420px){
    .kbmore_vido .core{
        height: 225px;
    }
}
.form_success{
	padding: 30px;
    background-color: red;
    color: white;
    font-size: 16px;
    width: 25%;
    position: absolute;
    text-align: center;
    left: 39%;
    top: 50%;
    border-radius: 20px;
}
.ppzxpic{
    width: 650px;
    height: 220px;
    background-size: 100%;
    background-repeat: no-repeat;
}
.ppzxpic img{
    width: 100%;
    margin: 0px auto;

}