/*--------------------
add
--------------------*/
.subpage-detail{
    margin: 20px 0;
    box-sizing: border-box;
}
.subpage-detail img{
    box-sizing: border-box;
    display: block;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    border-radius: 10px;
    border: 3px solid #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}