@charset "utf-8";
body{
	line-height: 1.85;
}
.logo{
	max-height: 80px;
	max-width: 100%;
}
.header{
	background-color: #fff;
    box-shadow: 0 1px 2px rgb(0 0 0 / 15%);
    padding: 10px 0;
}
.banner{
	margin-bottom: 40px;
}
.content{
	padding: 10px 0 80px;
}
h5{
	font-weight: bold;
}

#back-to-top {
    bottom: 45%;
    right: 15px;
    z-index: 19;
    padding: 2px;
    font-size: 0;
    cursor: pointer;
    position: fixed;
    overflow: hidden;
    text-align: center;
    border-radius: 50%;
    line-height: 1;
    transition: all .3s ease;
    color: #000;
    background-color: #fff;
    border: 1px solid #000;
    box-shadow: 0 1px 3px rgb(0 0 0 / 10%);
}

#back-to-top:hover {
    color: #fff;
    background-color: #000;
    border: 1px solid #000;
}

#back-to-top a {
    display: block;
}
#back-to-top .icon {
    fill: #000000;
    width: 30px;
    height: 30px;
    padding: 9px;
    display: block;
}
#back-to-top:hover .icon {
    fill: #ffffff;
}
.site-footer{
    padding: 40px 0;
    z-index: 1;
    position: relative;
    color: #bcbfc5;
    background-color: #2e3034;
    border-bottom: solid 5px #222;

}
.site-footer a{
    color: #bcbfc5;
    text-decoration: none;
    display: block;
    transition: all ease .3s;
}
.site-footer a:hover{
    color: #fff;
}
.flex{
    display: flex;
    justify-content: center;
}
.flex i{
    display: inline-block;
    margin-right: 8px;
    width: 20px;
}
@media screen and (max-width: 768px) {
	.logo{
		max-height: 50px;
		max-width: 100%;
	}
	.header{
		background-color: #fff;
	    box-shadow: 0 1px 2px rgb(0 0 0 / 15%);
	    padding: 3px 0;
	}
	.banner{
		margin-bottom: 20px;
	}
    .site-footer a{
        display: inline-block;
        font-size: 22px;
        border:solid 1px #fff;
        width: 50px;
        height: 50px;
        line-height: 50px;
        text-align: center;
        border-radius: 50%;
        margin: 0 5px;
    }
    .flex i{
        margin: 0;
        width: auto;
    }
    .site-footer a span{
        display: none;
    }
}