.content_box{
  width: 1200px;
  min-height: 800px;
  margin: 0 auto;
}
.content_lists{
  width: 100%;
  height: auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.content_lists >div{
  width: 285px;
  height: 280px;
  background: #FFFFFF;
  border-radius: 10px;
  margin-bottom: 20px;
}
.content_lists >div >img{
  width: 285px;
  height: 170px;
  border-radius: 10px 10px 0px 0px;
}
.class_name{
  width: 260px;
  margin: 15px 0 0 10px;
  font-size: 16px;
  color: #333333;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;

}
.class_btn{
  width: 96px;
  height: 32px;
  background: linear-gradient(-30deg, #0360F9 0%, #059EFF 100%);
  border-radius: 16px;
  color: #fff;
  font-size: 14px;
  text-align: center;
  line-height: 32px;
  cursor: pointer;
  margin: 25px 0 0 10px;
}
.class_btn a{
	color: #ffffff !important;
}
.tap_box{
  width: 100%;
  height: 72px;
  margin: 20px 0;
}
.tap_box >div{
  width: 100%;
  height: 72px;
  background: #FFFFFF;
  border-radius: 10px;
  display: flex;
  align-items: center;
}
.tap_box >div >div{
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.tap_line{
  width: 2px;
  height: 40px;
  background: #E2E2E2;
}
.tap_box >div >div img{
  margin-right: 10px;;
}
.tap_box >div >div p{
  color: #999;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
}
.tap_box1 >div >div:first-child p{
  color: #1A6BE5;
}

.tap_box2 >div >div:last-child p{
  color: #1A6BE5;
}
.tap_box2{
  display: none;
}
.answer{
  font-size: 24px;
  font-weight: 600;
  color: #333333;
  line-height: 60px;
  margin-bottom: 10px;
}
#content{
	width: 1160px;
	margin: 0 auto;
	height: auto;
	background: #ffffff;
	padding: 40px 20px;
}
.question_tit{
	width: 100%;
	font-size: 24px;
	text-align: center;
	margin-bottom: 20px;
}
.question_type{
	font-size: 18px;
	margin-bottom: 10px;
	font-weight: 600;
}
.question_titles{
	line-height: 30px;
	margin-top: 20px;
}

.question_answer{
	color: red;
}
.question_analysis{
	margin-bottom: 20px;
}
.bot_lists_box{
	width: 1160px;
	background: #ffffff;
	margin: 0 auto;
	padding: 20px;
}
.bot_lists_box >div{
	height: 60px;
	line-height: 60px;
	display: flex;
	justify-content: space-between;
	border-bottom: 1px solid #e2e2e2;
	cursor: pointer;
	color: #666666;
}
.bot_lists_box >div >span:first-child{
	font-size: 18px;
	color: #000;
}



















.content_lists_question{
  width: 100%;
}
.question_list{
  width: 1200px;
  height: 90px;
  background: #FFFFFF;
  border-radius: 10px;
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}
.question_list >div{
  display: flex;
  align-items: center;
}
.question_list >div:first-child img{
  height: 56px;
  height: 56px;
  margin: 0 20px;
}
.question_list >div:first-child p{
  font-size: 16px;
  color: #333333;
  font-weight: 600;
}
.question_list >div:last-child p{
  width: 96px;
  height: 40px;
  border-radius: 20px;
  margin-right: 20px;
  color: #ffffff;
  font-size: 14px;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
}
.question_list >div:last-child p a{
	color: #ffffff;
}
.question_list >div:last-child p:first-child{
  background: linear-gradient(-30deg, #0360F9 0%, #059EFF 100%);
}
.question_list >div:last-child p:nth-child(2){
  background: #44aeea;
}
.question_list >div:last-child p:last-child{
  background: linear-gradient(-90deg, #EB8B1A 0%, #FFBB4E 100%);
}
.seach_btn{
  background: linear-gradient(-30deg, #0360F9 0%, #059EFF 100%) !important;
}
.study_outer_box{
  width: 100%;
  margin: 0 auto;
  background: #282726;
  margin-bottom: 20px;
}
.study_video_box{
  width: 1200px;
  height: 550px;
  background: #000;
  margin: 0 auto;
  z-index: 1;
  position: relative;
  overflow: hidden;
}
#study_video_box{
	position: absolute;
	left: 0;
	top: 0;
	z-index: 1;
}
.tree_box_right{
  width: 334px;
  z-index: 20 !important;
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
}
.close_img{
  width: 34px;
  height: 36px;
  margin-top: 20px;
  cursor: pointer;
}
.open_img{
  display: none;
  width: 34px;
  height: 36px;
  margin-top: 20px;
  cursor: pointer;
}
.study_inner_box{
  width: 300px;
  height: 500px;
  overflow: hidden;
	background: #2A2A2A;
	border-radius: 5px 0 0 5px;
}

.class_tree_tit{
  width: 100%;
  line-height: 50px;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  padding-left: 10px;
}
.class_tree{
  height: 450px;
  width: 300px;
  overflow-y: auto;
	pading-top: 20px;
}
.class_tree >div{
	width: 100%;
	color: #fff;
	margin-bottom: 20px;
	cursor: pointer;
}
.class_tree >div span{
	width: 90%;
	display: block;
	margin: 5px auto;
	font-size: 16px;
}
.class_tree >div >span:last-child{
	font-size: 14px;
	color: #e2e2e2;
}
.classActive >span:first-child{
	color: #1A6FE9;
}
.question_card_tit{
	background: #f9fcff;
	width: 50px;
	display: inline-block;
	color: #005aff;
	border: 1px solid #ccdeff;
	text-align: center;
	margin-right: 10px;
	border-radius: 5px;
}
.code_box{
	width: 180px;
	height: 231px;
	z-index: 50;
	position: fixed;
	left: 0;
	top: 300px;
	background: url(../img/code_bg.png) no-repeat center;
}
.code_box >img{
	height: 110px;
	width: 110px;
	display: block;
	margin: 90px auto 0;
}