.container{
    width: 1000px;
    margin: 0 auto;
}
.intro_item{
    margin: 30px 0;
}
.intro_item h2 {
    color: #0880d8;
    font-size: 30px;
    background: url(../img/abTitBg.png) no-repeat left bottom;
    padding-bottom: 10px;
    margin-bottom: 40px;
}
.intro_item h3{
    color: #333;
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 10px;
    text-align: left;
}
.intro_item  p{
    color: #666;
    font-size: 16px;
    text-align: left;
    line-height: 30px;
}
.intro_item  ul li{
    color: #666;
    font-size: 16px;
    text-align: left;
    line-height: 30px;
}
.intro_item  ul li span{
    color: #333;
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 10px;
    text-align: left;
}