.adsrbrand{ padding:0 30px 50px 30px; width:750px; margin:0 auto;}
.adsrbrand .itembox{ position:relative;}
.adsrbrand .swipe .perview{ bottom:-20px;}
.adsrbrand .swipe .perview i{ height:8px; margin:0 4px;}
.adsrbrand .itembox .item{ display:block; position:relative;}
.adsrbrand .itembox .phone{ position:absolute; left:0; bottom:0; background:rgba(0,0,0,0.3); padding:0 10px 0 20px; line-height:60px; text-shadow:1px 1px 2px #333; color:#fff; font-size:28px;}
.adsrbrand .itembox .phone::after{content:""; position:absolute; left:100%; top:0; border-width:30px 16px; border-style:solid; border-color:transparent transparent rgba(0,0,0,0.3) rgba(0,0,0,0.3);}
.adsrbrand .itembox .ad{ position:absolute; right:0; bottom:0; font-size:20px; color:#ddd; background:rgba(0,0,0,0.3); line-height:1.5em; padding:0 10px;}
.adsrbrand .itembox .ad:hover{color:#ff0;}