/* promo banner */
.bnr-slot{
  position:relative;z-index:1;width:100%;max-width:1020px;
  margin:22px auto;padding:0 24px;box-sizing:border-box
}
.bnr{
  display:block;border-radius:12px;overflow:hidden;line-height:0;
  text-decoration:none;box-shadow:0 12px 36px rgba(0,0,0,.4);
  border:1px solid rgba(255,255,255,.08)
}
.bnr:hover{opacity:.95;text-decoration:none}
.bnr img{display:block;width:100%;height:auto}
.bnr-top{margin-top:10px}
.bnr-mid{margin:8px auto}
.bnr-bot{margin:8px auto 28px}
@media(max-width:680px){
  .bnr-slot{padding:0 16px;margin:16px auto}
  .bnr{border-radius:10px}
  .bnr-bot{margin-bottom:18px}
}