.banner{
    width: 100%;
    height: auto;
    display: inline-block;
}
.banner img{
    width: 100%;
}
.ab-top {
    width: 100%;
    height: auto;
    display: inline-block;
    border-bottom: 1px solid #e8e8e8;
}
.abt-left {
    float: left;
    line-height: 65px;
    letter-spacing: 1px;
}
.abt-left img {
    float: left;
    margin-right: 6px;
    margin-top: 24px;
}
.abt-left p {
    float: left;
}
.abt-nav {
    float: right;
    line-height: 73px;
}
.abt-nav li {
    float: left;
    margin-left: 45px;
}
.abt-nav li a {
    color: #000;
    font-size: 18px;
}
.abt-nav li:hover{
    border-bottom:1px solid#1e63ac;
}
.a-box{
    width: 100%;
    height: auto;
    display:inline-block;
    margin-bottom: 20px;
}
.lieven {
    width: 48%;
    height: 120px;
    float: left;
    margin-left: 24px;
    margin-top: 20px;
}
.lieven a {
    display: block;
    width: 100%;
    height: 120px;
    background: url(../images/lieven.png) no-repeat right #f5f5f5;
}
.left_text {
    color: black;
    width: 55%;
    height: 120px;
    float: left;
    padding-left: 20px;
    line-height: 24px;
    font-size: 14px;
}
.left_text h2 {
    color: #333;
    font-size: 20px;
    height: 50px;
    line-height: 3em;
}
.right_text {
    width: 180px;
    height: 90px;
    padding-top: 30px;
    line-height: 28px;
    text-align: right;
    float: left;
    color: #666;
}
/*移动端导航*/
@media screen and (max-width: 1024px) and (min-width: 0px) {
    .abt-nav li {
        float: left;
        margin-right: 15px;
        margin-left: 0px;
    }
    .lieven {
        width: 100%;
        height: 120px;
        float: left;
        margin-left: 1px;
        margin-top: 20px;
    }
    .right_text {
        width: 123px;
        height: 90px;
        padding-top: 30px;
        line-height: 28px;
        text-align: right;
        float: left;
        color: #666;
    }
}