.reddot{position:relative;display:inline-block;padding-right:.35em}.reddot:after{display:inline-block;content:" ";position:absolute;right:.05em;top:.2em;overflow:hidden;width:.35em;height:.35em;background:red;border:1px solid #fff;border-radius:.5em}.select-style{width:100%;height:2.063rem;padding:.313rem .75rem;background-color:#fff;box-shadow:inset 0 1px 1px rgba(0,0,0,.075);border-radius:.188rem}.select-style:focus{border-color:#2975f9;box-shadow:0 0 .5rem rgba(102,175,233,.6)}.container{max-width:1200px;margin:auto;padding:0 12px}.help-_id h1{font-size:44px;font-weight:700;text-align:center}.help-_id .articleItem{display:block;font-family:Microsoft YaHei;font-weight:400;line-height:21px;opacity:1;max-width:100%;padding:20px 20px 24px;background:#fff}.help-_id .articleItem:not(:last-of-type){margin-bottom:10px}.help-_id .articleItem .articleItemTitle{font-size:16px;color:#2975f9;margin-bottom:20px}.help-_id .articleItem .articleItemContent{width:1160px;font-size:14px;color:#161f2d}.help-_id .articleItem .articleItemContent p{padding:0;margin:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}