.col-lg-8 {
    width: 62%;
    position: relative;
    top: 70px;
    left: 0px;
}
.gn-content img {
    width: 45px;
    height: 45px;
}
.arc-nav{
    width: 1200px;
    height: 60px;
    display: flex;
}
.arc-mune{
    width: 50%;
    height: 100%;
    border-bottom: 1px solid #ccc;
    text-align: center;
    line-height: 60px;
}
.arc-cut{
    width: 1200px;
    height: 300px;
    border:1px dashed #000;
    margin-top: 30px;
    overflow: hidden;
}
.arc-banner{
    width: 2400px;
    height: 300px;
    display: flex;
    transition:left 500ms;
    position: relative;
    top: 0px;
    left: 0px;
}
.callPolice{
    width: 50%;
    height: 100%;
    display: flex;
}
.maintenance{
    width: 50%;
    height: 100%;
    display: flex;
}
.benefit{
    width: 66.5%;
    height: 100%;
    text-align: center;
}
.benefit img{
width: 70%;
margin-top: 12.5px;
}
.acr-title{
    width: 34.5%;
    height: 100%;
    border-left: 1px dashed #000;
    display: flex;
    justify-content: center;
    align-items: center;
}
.box-title{
    width: 200px;
}
.introduce{
    font-size: 24px;
    margin-bottom: 20px;
}
.int-content{
    font-size: 14px;
    color: #999;
}