.coursePage{width:100%;height:100%}.course_l{width:240px;height:100%;background-color:#fff;padding-top:38px;padding-right:20px;box-sizing:border-box}.course_l_ul{width:100%}.course_l_ul li{width:100%;height:40px;font-size:18px;color:#999;padding-left:60px;box-sizing:border-box;line-height:40px;cursor:pointer;margin-bottom:20px}.active_li{color:#fff!important;background:linear-gradient(90deg,#0acec2,#62b6e4);border-radius:0 21px 21px 0}.course_l_ul li i{font-size:18px}.course_l_ul li span{margin-left:15px}.course_r{margin:0 auto;box-sizing:border-box}.course_r,.Courseinformation{width:100%;height:100%}.inform_t{width:100%;height:130px;background-color:#fff}.inform_t_div{width:1300px;height:100%;margin:0 auto;position:relative}.inform_t_div>img{height:120px;position:absolute;bottom:-2px;right:70px}.add_title{padding:20px 0 0 50px;box-sizing:border-box;font-size:18px;font-weight:700;color:#333}.add_title i{font-size:22px;color:#4cb2f6;font-weight:400;display:inline-block;vertical-align:middle;margin-right:5px}.add_p{color:#666;margin:10px 0 15px 0;padding-left:55px}.add_but,.add_p{font-size:14px;box-sizing:border-box}.add_but{width:112px;height:32px;background:#05d1c6;border-radius:4px;text-align:center;line-height:32px;cursor:pointer;color:#fff;border:none;margin-left:55px;display:inline-block}.inform_con{width:100%;height:calc(100% - 145px);background-color:#fff;overflow:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#6ae3de #f0f3f6;margin-top:15px}.inform_con::-webkit-scrollbar{width:5px}.inform_con::-webkit-scrollbar-thumb{background-color:#05d1c6;border-radius:10px}.inform_con::-webkit-scrollbar-track{border-radius:10px;background-color:#fff}.null_div{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center}.null_div img{width:500px}.null_div p{margin-top:15px;font-size:16px;color:#666}.inform_con_ul{width:1300px;margin:0 auto;height:100%}.inform_con_ul li{width:305px;margin:20px 10px 0;height:192px;background:#fff;display:inline-block;padding-top:15px;padding-left:15px;box-sizing:border-box;position:relative;box-shadow:0 4px 20px 1px rgba(44,43,42,.28)}.div_one{margin-top:16px}.div_one,.div_title{width:100%;padding-right:15px;box-sizing:border-box}.div_title{font-size:16px}.div_one_l,.div_title{color:#333;font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.div_one_l{font-size:14px;width:calc(100% - 80px)}.div_one_r{width:50px;height:18px;opacity:.6;border-radius:2px;text-align:center;line-height:18px;font-size:12px;color:#fff}.item_one{background:#f29750}.item_two{background:#05d1c6}.item_three{background:#999}.div_two{width:100%;margin-top:16px}.div_two_l{width:50%;font-weight:400}.div_two_l,.div_two_span{font-size:13px;color:#333}.div_two_span{width:100%;display:inline-block}.s_span{width:40px;display:inline-block;text-align:justify;-moz-text-align-last:justify;text-align-last:justify;text-justify:distribute}.div_buttons{width:100%;border-top:1px solid #eeeded;box-sizing:border-box;height:40px;position:absolute;left:0;bottom:0}.div_but_l{width:calc(50% - 1px);height:100%;border-right:1px solid #eeeded;box-sizing:border-box;text-align:center;line-height:40px;font-size:14px;color:#666;cursor:pointer;background:transparent}.div_but_l i{color:#f12828;margin-right:5px;font-weight:700}.div_but_r{width:50%;height:100%;text-align:center;line-height:40px;font-size:14px;color:#666;cursor:pointer}.div_but_r i{color:#05d1c6;margin-right:5px;font-weight:700}.closei{position:absolute;top:14px;right:20px;color:#fff;font-weight:700;cursor:pointer;font-size:17px}.form-groups{margin-bottom:0;height:32px;line-height:32px;display:inline-block;margin-left:30px}.form-groups>span{display:inline-block;font-size:14px;margin-right:10px}