.top_tip{padding:.2rem;line-height:1.5;background:#E9F6FF;-webkit-animation:show-top-tip 1.5s forwards;-moz-animation:show-top-tip 1.5s forwards;-o-animation:show-top-tip 1.5s forwards;animation:show-top-tip 1.5s forwards}.top_tip span{width:calc(100% - 1.5em);text-align:justify;word-break:break-all}@keyframes show-top-tip{0%{height:0;padding:0 .2rem}66%{height:0;padding:0 .2rem}100%{height:.84rem;padding:.2rem}}