.school_box{box-sizing:border-box;background-color:#fff;border:1px solid rgba(203,198,198,.2549019608);border-radius:10px;padding:13px;position:relative;margin-top:20px}.school_box .head_box{display:flex;justify-content:space-between;font-size:12px;position:relative;margin-bottom:10px}.school_box .head_box .head_text{height:24px;line-height:24px;text-align:center;background-color:#f5f7fa;border-radius:12px;color:#2080f7;padding:0 6px}.school_box .head_box .head_text img{vertical-align:middle;margin-bottom:2px}.school_box .main_box{width:242px;padding:8px 10px;box-sizing:border-box;position:relative;border-bottom:1px solid rgba(168,165,165,.2901960784);cursor:pointer}.school_box .main_box>h1{height:36px;line-height:18px;font-size:12px;color:#171920;font-weight:400}.school_box .main_box .introduction,.school_box .main_box>h1{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.school_box .main_box .introduction{width:338px;transform:scale(.63333);transform-origin:0 0;white-space:nowrap;margin-top:5px;white-space:pre-wrap;color:#7c7d81;font-size:19px}.school_box .main_box .ico_rou{color:#2080f7;font-size:10px;overflow:hidden;transform:scale(.63333);transform-origin:0 0;white-space:nowrap;position:absolute;bottom:0;left:12px}.school_box .main_box .ico_rou svg{width:50px;height:10px}.school_box .main_box .ico_rou svg text{font-size:15px;font-weight:700}.school_box .main_box .sch-img{position:absolute;bottom:7px;right:19px}.school_box .teach-TV{box-sizing:border-box;width:100%;height:100px;position:relative;border:4px solid #51b2ff;border-radius:4px;margin-top:10px;margin-bottom:4px}.school_box .teach-TV .videoElement{-o-object-fit:fill;object-fit:fill}.school_box .teach-TV .start-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}