@charset "utf-8";
.cheader {
    width: 100%;
    height: 31.3vw;
    background-image: url(../images/head.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
}


/* 适配移动端 */

@media all and (max-width:416px) {
    .cheader {
        width: 100%;
        height: 61.6vw;
        background-image: url(../images/mbHead.jpg);
    }
}