.leftNav{width: 215px;}
.leftNav .t-tit{line-height: 50px;padding-left: 50px;}
.leftNav .item{line-height: 60px;border-bottom: 1px solid #f0f3f8;padding-left: 50px;position: relative;}
.leftNav .item:last-child{border-bottom: 0;}
.leftNav .item.on{color: #02B4A8;}
.leftNav .item.on a{color: #02B4A8;}
.leftNav .item.on::before{content: '';width: 4px;height: 100%;background-color: #02b4a8;position: absolute;left: 0;top: 0;bottom: 0;}

.helpRight{width: 970px;float: right;min-height: 400px;}
.proList{min-height: 200px;}
.proList .tt{padding: 5px 0;}
.proList .tt a{padding-left: 30px;position: relative;color: #696e80;line-height: 30px;display: block;}
.proList .tt a::before{content: '';width: 10px;height: 10px;border: 1px solid #02B4A8;border-radius: 50%;background-color: #fff;position: absolute;left: 0;top: 50%;transform: translateY(-50%);}
.proList .tt:hover a{color: #02B4A8;}

.xqInfor{padding: 40px 40px;}
.xqInfor p{margin-bottom: 10px;font-size: 14px;line-height: 28px;color: #696e80;}
.xqInfor img{min-width: 500px;max-width: 100%;display: block;margin: 10px auto;}