.banner{
    width: 100%;
}
.banner img{
    width: 100%;
    margin-top: -4px;
}
.navigationbox{
    border-bottom: 1px solid rgba(240,240,240,1);
    margin-bottom: 110px;
}
.navigation li{
    float: left;
}
.navigation li a{
    font-size: 20px;
    color: #666;
    display: block;
    padding: 20px 60px 20px 0;
}
.navigation .active a{
    color: #333;
}

/* 弹性盒子左文字右图片 */
.flexbox{
    display: flex;
    margin-bottom: 110px;
}
.textblock,.imgsblock{
    flex: 1;
}
.textimg .textblock{
    margin-right: 37px;
}
.imgtext .imgsblock{
    margin-right: 37px;
}
.textblock h3{
    font-size: 32px;
    color: #4186DC;
    margin-bottom: 49px;
    margin-top: 59px;
}
.textblock h3 em{
    font-size: 32px;
    border-bottom: 3px solid #4186DC;
}
.textblock p{
    font-size: 18px;
    color: #666;
    line-height: 30px;
}

/* 弹性盒子左图片右文字 */