/*四大优势-Tab切换*/
.tabs_bg {
    padding-top: 70px;
    padding-bottom: 50px;
    background: url(../images/tab_bg.jpg) no-repeat top center #388AB0;
}
.tabs_head h2{
    text-align: center; 
    font-size: 36px; 
    color: #fff;
    font-weight: bold;
}
.tabs_head span{
    color: #f6f6f6; 
}
.tabs_head p{
    text-align: center;
    color: #fff; 
    margin-top:8px;
    margin-bottom: 60px;
}
.nav-tabs > li {
    margin-bottom: 0px;
}
.nav-tabs > li > a {
    color: #2F2F2F;
    margin-right: 10px;
    margin-left: 10px;
    padding-left: 25px;
    padding-right: 25px;
    border: 0px;
    border-radius:0px;
    background-color: #fff;
}
.nav-tabs > li > a:hover,
.nav-tabs > li > a:focus {
    color: #fff;
    background-color: #595959;
    border: 0px;
}
.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover,
.nav-tabs > li.active > a:focus {
    color: #fff;
    background-color: #595959;
    border: 0px;
}
.tab-content{
    margin-top: 30px;
}
.tab_img{
    max-width: 555px;
    float: right;
}
.tab-pane{
    background-color: #fff;
}
.tab_h3{
    font-size: 32px;
    font-weight: bold;
    margin: 58px 50px 20px 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eaeaea;
}
.tab_p{
    color: #7f7f7f;
    margin: 15px 0px 0px 25px;
    line-height: 26px;
}
.tab_more{
    display: inline-block;
    width: 170px;
    padding: 10px 0px;
    text-align: center;
    background-color: #079BE5;
    color: #fff;
    text-decoration: none;
    margin: 35px 0px 18px 25px;
}
.tab_more:hover,
.tab_more:focus{
    color: #fff;
    background-color: #595959;
    text-decoration: none;
}
/*居中处理*/
.nav-tabs:after{
    content:'';
    visibility:hidden;
    font-size:0;
    height:0;
    display:block;
    clear:both;
}
.tabs_btn{
    width:100%;
    text-align:center;          
}
.nav-tabs{
    display:inline-block;  
    border: none;
}

/*小屏幕样式*/
@media screen and (max-width: 768px) {

/*手机-四大优势*/
    .tabs_bg {
        padding-top: 50px;
        padding-bottom: 30px;
        margin-top: 10px;
    }
    .tabs_head h2{
        font-size: 30px; 
    }
    .tabs_head span{
        font-size: 12px; 
    }
    .tabs_head p{
        margin-bottom: 40px;
    }

    .nav-tabs{
        margin-left: 15px;
        margin-right: 15px;
    }
    .nav-tabs > li{
        margin-bottom: 10px;
    }
    .nav-tabs > li > a {
        margin-right: 5px;
        margin-left: 5px;
        padding-left: 15px;
        padding-right: 15px;
        font-size: 12px;
    }
    .tab-content{
        margin-top: 10px;
    }
    .tab_img{
        float: none;
        display: block;
        width: 100%;
        margin: 0 auto;
        margin-top: 15px;
    }
    .tab_h3{
        font-size: 20px;
        margin: 10px 0px 5px 0px;
		text-align:center;
		    padding-bottom:15px;
    }
    .tab_p{
        margin: 15px 0px 0px 0px;
        line-height: 26px;
    }
    .tab_more{
        display: block;
        width: 170px;
        padding: 10px 0px;

        margin: 30px auto 40px auto;
    }
}