* {
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    outline: none;
    color: #000;
}
 .bottomdi22{display:none;}
 .toptop22{display:none;}
@media (max-width: 768px) {
   
    
    .toptop
    {
        display:none;}
        .bottomdi{display:none;}
        .bottomdi22{display:block;}
        .toptop22{display:block;}
        .biankuang{ display:none}

 
}


.footer {
	width: 100%;
	position: fixed;
	bottom: 0;
	left: 0;
	background: #ffffff;
	border-top: 1px solid #cccccc;
	 padding: 4px; 
	z-index: 9999;
}
.footer ul::after {
	content: '';
	display: block;
	height: 0;
	clear: both;
}
.footer ul li {
	float: left;
	width: 25%;
}
.footer ul li a {
	display: block;
	color: #666666;
	text-align: center;
	font-size: 15px;
}
.footer ul li.oncolor a {
	color: #51b53b;
}
.footer ul li a span {
	display: block;
	text-align: center;
}
.footer ul li a i {
	position: relative;
	font-size: 25px;
}
.footer ul li.oncolor a i::after{
	content: '';
    width: 0;
    height: 0;
    position: absolute;
    top: 0.28rem;
    border-radius: 37%;
    box-shadow: 0 0 0.2rem 0.1rem #51b53b;
    left: 0.2rem;
}



.calback {
	width: 100%;
	padding: 2px 4px 2px 4px;
	background: #67B5F7;
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: space-between;
	justify-content: space-between;
	-webkit-flex-wrap: nowrap;
	flex-wrap: nowrap;
	-webkit-align-items: center;
	align-items: center;
}
.calback.need {
	position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}
.calback::after {
	content: '';
	display: block;
	height: 0;
	clear: both;
}
.calback a {
	flex-grow : 0;
	color: #fff;
}
.calback a i {
	display: inline-block;
    line-height:35px;
    font-size: 16px;
}
.calback span {
    font-size: 20px;
	display: inline-block;
	line-height: 35px;
	flex-grow : 1;
	text-align: center;
    color: #fff;
    letter-spacing:1px;
}