/* promotion */
#promotion {}
#promotion .promotion_title {margin-bottom:20px; line-height:60px; font-size:24px; font-weight:600;}
#promotion .promotion_info {margin-bottom:20px;}
#promotion .promotion_info p {font-size:16px; line-height:22px;}
#promotion .promotion_tab {}
#promotion .promotion_tab .promotion_tab_list {}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item {position:relative; float:left; width:calc(50% - 5px); margin-right:10px; margin-bottom:10px; border-radius:3px; overflow:hidden;}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item:nth-child(2n) {margin-right:0;}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item .promotion_tab_item_img {width:100%; padding-bottom:50%;}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item .promotion_tab_item_img img{position:absolute; top:0; left:0; width:100%; height:100%; z-index:1;}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item .promotion_tab_item_overlay {position:absolute; top:0; left:0; width:100%; height:100%; background: linear-gradient( to top, rgba(0,0,0,0.6), transparent 50%);z-index:2;}
#promotion .promotion_tab .promotion_tab_list .promotion_tab_item .promotion_tab_item_title {position:absolute; bottom:20px; width:100%; text-align:center; font-size:18px; color:#fff;z-index:3;}

@media (max-width:639px){
	#promotion .promotion_title {text-align:center;}
	#promotion .promotion_info p {font-size:15px;}
	#promotion .promotion_tab .promotion_tab_list .promotion_tab_item .promotion_tab_item_title {bottom:12px; font-size:13px;}
}