.top{background: #000;}
.top .w p{color: #efefef;font-size: 14px;line-height: 20px}
.web_title{margin: 10px 0}
.web_title p{font-size: 14px;line-height: 20px}

.tx_content{margin-top: 50px}
.tx_content .text_subtitle{font-size: 12px;text-align: center;margin-top: 18px}
.pz_img{
    width: 120px;
    height:88px;
}
/*在线客服*/
.on-contact {
    width: 40px;
    height: 152px;
    line-height: 50px;
    cursor: pointer;
    background: url(../img/pr_contact.png) no-repeat 0 0;
    right: 0px;
    top: 40%;
    position: fixed;
    overflow: hidden;
    z-index: 999999;
    zoom: 1;
}