.n_jishu_left{ width:25rem; float:left;}

.n_jishu_left ul.ul1{}
.n_jishu_left ul.ul1>li{line-height:60px;border:#dfdfe2 1px solid;margin-top:-1px;}
.n_jishu_left ul.ul1>li>.n_jishu_top{ background:#f1f3f7; transition:.6s}
.n_jishu_left ul.ul1>li>.n_jishu_top>a{display: inline-block; font-weight:bold;padding:0 1.25rem;font-size:1.4rem;color:#333;width: calc(100% - 46px); transition:.6s}
.n_jishu_left ul.ul1>li>.n_jishu_top>i{display:inline-block;background:url(yiji_ico.png) center no-repeat;float:right;width:30px;height: 53px;margin-right: 15px;}

.n_jishu_left ul.ul1>li>.ul2{ padding:1rem 0 1rem; background:#fff; display:none}
.n_jishu_left ul.ul1>li>.ul2>li{line-height:35px;margin-top:-1px;background:#fff; }
.n_jishu_left ul.ul1>li>.ul2>li>.n_jishu_top{ padding:0 0 0 24px;}
.n_jishu_left ul.ul1>li>.ul2>li>.n_jishu_top>i{display:inline-block;background:url(erji_ico.png) center no-repeat;width:30px;height: 35px;margin-right: 4px;vertical-align: top;}
.n_jishu_left ul.ul1>li>.ul2>li>.n_jishu_top a{color:#343536;transition:.6s;font-size: 1.2rem;}

.n_jishu_left ul.ul1>li>.ul2>li>.ul3{ padding:8px 0; background:#fff; display:none}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li{line-height: 35px;border:#dfdfe2 1px solid;margin-top:-1px;background:#f1f3f7;border-left:none;border-right:none;}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.n_jishu_top{ padding:0 0 0 50px;}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.n_jishu_top>i{display:inline-block;background:url(sanji_ico.png) center no-repeat;width:30px;height: 35px;margin-right: 0px;vertical-align: top;}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.n_jishu_top a{font-size: 1rem;color:#343536;transition:.6s;}

.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.ul4{ padding:8px 0; background:#fff; display:none}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.ul4>li{line-height: 32px;background:#fff;}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.ul4>li>a{padding: 0 0 0 95px;position:relative;font-size:14px;color:#585858;display: block;}
.n_jishu_left ul.ul1>li>.ul2>li>.ul3>li>.ul4>li>a:before{content:">";position:absolute;top:0;width:12px;font-size:12px;font-family: simsun;line-height: 35px;height: 35px;left: 80px;}

.n_jishu_left ul>li.on.n_jishu_top_zhe>i{ background:url(yiji_ico_.png) center no-repeat;}
.n_jishu_left ul>li.on.n_jishu_top_zhan>i{ background:url(yiji_ico_on.png) center no-repeat;}


.n_jishu_left ul.ul1>li.on>.n_jishu_top{ background:#1b62ba}
.n_jishu_left ul.ul1>li.on>.n_jishu_top>i{ background:url(erji_ico_on.png) center no-repeat;}
.n_jishu_left ul.ul1>li.on>.n_jishu_top>a{ color:#fff;}

.n_jishu_left ul.ul1>li.on>.ul2{ display:block}
.n_jishu_left ul.ul1>li.on>.ul2>li.on>.n_jishu_top{ background:#1b62ba}
.n_jishu_left ul.ul1>li.on>.ul2>li.on>.n_jishu_top>i{ background:url(erji_ico_on.png) center no-repeat;}
.n_jishu_left ul.ul1>li.on>.ul2>li.on>.n_jishu_top>a{ color:#fff}

.n_jishu_left ul.ul1>li.on>.ul2{ display:block}


.n_jishu_left ul.ul1>li.on>.ul2>li.on>.ul3{ display:block}

.n_jishu_left ul.ul1>li.on>.ul2>li.on>.ul3>li.on>.n_jishu_top a{ color:#1b62ba; font-weight:bold; }
.n_jishu_left ul.ul1>li.on>.ul2>li.on>.ul3>li.on>.n_jishu_top>i{ background: url(sanji_ico_on.png) center no-repeat;}

.n_jishu_left ul.ul1>li.on>.ul2>li.on>.ul3>li.on>.ul4{ display:block}
.n_jishu_left ul.ul1>li.on>.ul2>li.on>.ul3>li.on>.ul4>li.on>a{ color:#1b62ba}


.n_jishu_right{ width:calc(100% - 25rem); padding-left:1.75rem; float:right;}

@media screen and (max-width: 1023px){
.n_jishu_left{ clear:both; width:100%; float:none;}
.n_jishu_right{ clear:both; width:100%; float:none;padding-left:0; margin-top:20px;}
}