main{
    color: #000;
    margin: 0;
}
.bg-img h2{
    font-size: 50px;
    color: #fff;
}
.bgc{
    background-color: #F5F3F4;
}
.bg-img{
    height: 100%;
    background: url('../img/about/enterpriseProfile/bg.jpg') no-repeat;
    background-size: 100%;
}
.banner-text{
    margin-top: 90px;
}
.banner-text h2>span{
    animation: point2 1s infinite;
    font-weight: 700;
}
@keyframes point2 {
    0% {
        /*color: rgba(227, 121, 32, 1);*/
        color: rgba(255, 255, 255, 1);
    }
    100% {
        color: rgba(255, 255, 255, 0);
    }
}
.smbox{
    margin-top: 20px;
    margin-bottom: 50px;
    background-color: #fff;
    padding: 50px 80px;
}
i{
    width: 100%;
    display: block;
    border-top: 1px solid gray;
    margin-bottom: 20px;
}



.sm-navbar{
    width: 100%;
    float: left;
    border-bottom: 1px solid #fff;
    height: 50px;
    line-height: 50px;
}
.sm-nav{
    width: 30%;
    margin: 0 auto;
}
.sm-nav div{
    float: left;
    width:20%;
    text-align: center;
}
.sm-nav a{
    display: inline-block;
    height: 100%;
    position: relative;
}
.present{
    position: relative;
}
.present::after{
    content: "";
    position: absolute;
    bottom: -1px;
    right: 0;
    width: 100%;
    border-bottom: 3px solid #fff;
}
.sm-nav a{
    display: inline-block;
    height: 100%;
}
.sm-nav a::before{
    content: "";
    position: absolute;
    width: 0;
    height: 3px;
    background: #fff;
    right: 0;
    bottom: -1px;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
}
.sm-nav a:hover::before{
    width: 100%;
    left: 0;
}
@media screen and (max-width: 1200px){
    .sm-nav{
        width: 40%;
    }
}
@media screen and (max-width: 992px){
    .sm-nav{
        width: 50%;
    }
}
@media screen and (max-width: 768px){
    .sm-nav{
        width: 60%;
    }
}