.tns_banner{
	margin: 2%;
}
.tns_banner img {
	width: 100%;
	display: block;
}

.tns_section{
	text-align: center;
	padding: 30px 10px;
	border-bottom: 1px solid #ddd;
	color: #494949;
}
.tns_section .tns_title{
	font-size: .32rem;
	color: #111111;
	margin-bottom: 20px;
	line-height: 24px;
}
.tns_section  .tns_section_txt{
	font-size: .24rem;
	line-height: 24px;
	text-align: left;
	/*text-indent: 30px;*/
}
a{
	text-decoration: none;
}

.start_a {
	color: #D72951;
	font-size: .24rem;
	display: inline-block;


}
.start_a .icon_img{
	height: 10px;
	vertical-align: baseline;
	margin-left: 5px;
}


.tns_section.operating_procedures{

}
.operating_procedures_list{
	margin: 20px 0;
}
.operating_procedures_item {
	width: 30%;
	float: left;
	padding: 10px 0;
	margin-left: 3%;
	background: #fff;
	border-radius: 6px;
}
.operating_procedures_item img{
	width: 50px;
	height: 50px;
	margin: 10px 0;
}
.operating_procedures_item .op_p1 {
	color: #D92A51;
	height: 20px;
	line-height: 20px;
	overflow: hidden;
	font-size: .24rem;
}
.operating_procedures_item .op_p2{
	line-height: 20px;
	height: 40px;
	overflow: hidden;
	font-size: .24rem;
	color: #9A9A9A;
		padding: 0 10px;
}
.step_list{

}
.step_item{
	margin: 0 3% 10px 0;
	float: left;
	width: 30%;
	background: white;
	text-align: center;
	padding: 10px 0;
	box-sizing: border-box;
	border: none;
	box-shadow: 0px 8px 10px 0 rgb(10 14 29 / 8%);
	height: 150px;
	border-radius: 8px;
}
.step_item:nth-child(4){
	margin-left: 16%;
}

.step_item img{
	height: 50px;
	height: 50px;
	display: block;
	margin: 0 auto;
	margin-bottom: 8px;
}

.step_item .op_p1{
	color: #BC1038;
	font-size: .24rem;
	margin-bottom: 4px;
	line-height: 20px;
	height: 20px;
	overflow: hidden;
}
.step_item .op_p2{        
	font-size: .24rem;
	color: #9A9A9A;
	line-height: 18px;
	height: 56px;
	overflow: hidden;
	padding: 0 4px;
}



.tns_section.advantage_box{

}
.advantage_list{

}
.advantage_item{
	background: white;
	padding: 10px 0;
	border-radius: 8px;
	margin: 10px 3%;
}
.advantage_item img{
	width: 50px;
	height: 50px;
	margin-bottom: 6px;
}

.advantage_item .op_p1{
	color: #373737;
	font-size: .24rem;
	margin-bottom: 10px;
	font-weight: bold;
}
.advantage_item .op_p2{
	color: #494949;
	font-size: .24rem;
	line-height: 20px;
	color: #9A9A9A;
	padding: 0 10px;
}



.tns_section.start_section{
	padding: 40px 0;
}
.start_section .start_img{
	display: block;
	width: 100%;
}
.start_section .start_p{
	color: #3B3B3B;
	font-size: .26rem;
	font-weight: bold;
	margin: 35px 0 20px 0 ;
}



.tns_tutorial{
	background: #F8F8F8;
}

.tutorial_list{
	border:1px solid #BFBFBF;
}
.tutorial_item{
	border-bottom:1px solid #BFBFBF;
	line-height: 45px;
	padding:  0 15px;
}

.tutorial_item .tutorial_title{
	color:#494949;
	text-align: left;
	font-size: .24rem;
	
}
.tutorial_item:last-child{
	border-bottom: 0;
}
.tutorial_item .tutorial_link .start_a{
	font-size: .22rem;
}


.start_title.skill{

	margin-top: 40px;
}


.problem_list{
	border : 1px solid #BFBFBF;
}
.problem_item{
	border-bottom: 1px solid #BFBFBF;
	padding: 0 10px;
}
.problem_item:last-child{
	border-bottom: 0;
}
.problem_item .problem_item_p{
	padding: 15px 0;
	/*line-height: 45px;*/
	line-height: 20px;
	text-align: left;
}

.problem_item  .problem_title{
	width: 80%;
	font-size: .24rem;
}
.problem_item.open .open_img {
	display:  inline-block;
}
.problem_item .open_img {
	display:  none;
}
.problem_item.open  .close_img {
	display: none;
}
.problem_item .problem_link img{
	width: 12px;

}
.problem_item .close_img {
	display: inline-block;
}

.problem_item .problem_item_a{
	text-align: left;
	font-size: .22rem;
	line-height: 30px;
	display: none;
}
.problem_item.open .problem_item_a{
	display: block;
}

.adv_item{
	width: 24%;
	float: left;
	padding: 10px 0;
	margin-left: 1%;
	background: #fff;
	border-radius: 6px;       

}   
.adv_item img{
	width: 50px;
	height: 50px;
	margin: 10px 0;
}   
.adv_item .p1{
	color: #D92A51;
	height: 20px;
	line-height: 20px;
	overflow: hidden;
	font-size: .24rem;
}
.adv_item .p2{
	line-height: 20px;
	height: 40px;
	overflow: hidden;
	font-size: .24rem;
	color: #9A9A9A;
	padding: 0 10px;
}
.shouhou_item{
	width: 30%;
	float: left;
	padding: 10px 0;
	margin-left: 3%;
	background: #fff;
	border-radius: 6px;       

}   
.shouhou_item img{
	width: 50px;
	height: 50px;
	margin: 10px 0;
}   
.shouhou_item .p1{
	color: #D92A51;
	height: 20px;
	line-height: 20px;
	overflow: hidden;
	font-size: .24rem;
}
.shouhou_item .p2{
	line-height: 20px;
	height: 40px;
	overflow: hidden;
	font-size: .24rem;
	color: #9A9A9A;
	padding: 0 10px;
}
.adv_list{
	padding: 20px 0;
}
.shouhou_item_p,.tns_sub_title{
	line-height: 20px;
	font-size: .24rem;
	color: #777777;
}