#promotion[data-v-1807ad9f]{background-color:#f6f6f6;min-height:calc(100vh - 179px)}#promotion .bg-banner[data-v-1807ad9f]{z-index:1!important}#promotion .promotion-box[data-v-1807ad9f]{margin:0 auto;position:relative;width:750px;z-index:2!important}#promotion .promotion-box .promotion-img[data-v-1807ad9f]{width:100%}