p{
    margin: 0;
    padding: 0;
    font-weight: normal;
    font-style: normal;
}
.content_wrapper {
    width: 1200px;
    margin: 0 auto;
}
.pnav{
    background: #f8f8f8;
    height: 106px;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pnav .pnav_link {
    width: calc(33.33%);
    float: left;
    border-right: 1px solid #e2e2e2;
    z-index: 10;
    height: 106px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 0 38px rgba(0,0,0,.08);;

}

.pnav .pnav_pic {
    width: 60px;
    height: 60px;
    display: block;
    margin-right: 20px;
}

.pnav .pnav_t1 {
    font-size: 26px;
    color: #333;
}

.pnav .pnav_t2 {
    font-size: 16px;
    color: #333;
}

.pnav .pnav_link.on .pnav_t1, .pnav .pnav_link.on .pnav_t2 {
    color: #fff;
}

.pnav .pnav_link:nth-child(1).on {
    background-color: #444243;
    box-shadow: none;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    z-index: 8;
}

.pnav .pnav_link:nth-child(1) .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -60px 0px;
}

.pnav .pnav_link:nth-child(1).on .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -60px -67px;
}

.pnav .pnav_link:nth-child(2).on {
    background-color: #020006;
    box-shadow: none;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    z-index: 8;
}

.pnav .pnav_link:nth-child(2) .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -120px 0px;
}

.pnav .pnav_link:nth-child(2).on .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -120px -67px;
}

.pnav .pnav_link:nth-child(3).on {
    background-color: #fb7633;
    box-shadow: none;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    z-index: 8;
}

.pnav .pnav_link:nth-child(3) .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -180px 0px;
}

.pnav .pnav_link:nth-child(3).on .pnav_pic {
    background: url('//bk-test12.oss-cn-beijing.aliyuncs.com/images/wyw315/icon_tabs_02.png') no-repeat center center;
    background-position: -180px -67px;
}