/* 轮播高度硬约束：slide 绝对定位叠放，slider 固定高度，杜绝纵向堆叠撑高 */
.hero .slider{position:relative;width:100%;height:520px!important;max-height:520px!important}
.hero .slider .slide{position:absolute!important;left:0!important;top:0!important;right:0!important;bottom:0!important;width:100%!important;height:520px!important;max-height:520px!important;min-height:520px!important;overflow:hidden!important;opacity:0!important;transition:opacity .8s}
.hero .slider .slide.on{opacity:1!important}
.hero .slider .slide img{width:100%!important;height:520px!important;max-height:520px!important;object-fit:cover!important;object-position:center!important;display:block!important}