div,ul, li, em, span, i {
    margin: 0;
    padding: 0;
}
.clearfix {
    zoom: 1;
}
.clearfix:after {
    clear: both;
    display: block;
    content: " ";
    height: 0;
    visibility: hidden;
}
.customer-box {
    position: fixed;
    right: 5px;
    top: 40%;
    width: 50px;
    z-index: 10001;
}
.customer-head {
    background-color: #555;
    color: #fff;
    font-size: 14px;
    line-height: 25px;
    text-align: center;
    letter-spacing: 2px;
}
.customer-box li {
    position: relative;
    list-style: outside none none;
    float: left;
    height: 50px;
    width: 50px;
}
.customer-box li:last-child {
    display: none;
}
.customer-box li.active:last-child {
    display: block;
}
.customer-box li a {
    display: inline-block;
    height:50px;
    line-height: 50px;
    color: #fff;
    background: #00a0e9;
}
.customer-box li a.c-item {
    width: 50px;
}

.customer-box li a div.icon {
    width: 50px;
    height: 50px;
    line-height: 50px;
    position: absolute;
    right: 0;
    -webkit-transition: all 0.4s ease-in-out 0s;
    -moz-transition: all 0.4s ease-in-out 0s;
    -ms-transition: all 0.4s ease-in-out 0s;
    -o-transition: all 0.4s ease-in-out 0s;
    transition: all 0.4s ease-in-out 0s;
    overflow: hidden;
    word-break: keep-all;
    white-space: nowrap;
    background: #666;
}
.customer-box li a div.icon:hover {
    background: #00a0e9;
}
.customer-box li:hover div.icon {
    width: 160px;
}
.customer-box li:hover div.icon.wechat,
.customer-box li:hover div.icon.gotop {
    width: 50px;
}
.customer-box li a div.icon.active {
    background: #00a0e9;
}

.customer-box li a div.icon i.fa {
    font-size: 20px;
    display: inline-block;
    height: 50px;
    line-height: 50px;
    width: 50px;
    text-align: center;
    vertical-align: middle;
}
.customer-box span.title {
    display: inline-block;
    text-align: center;
    height: 50px;
    line-height: 50px;
    width: 100px;
}

.customer-box .qr-code {
    display: none;
    position: absolute;
    top: -65px;
    right: 57px;
    background: #444;
    line-height: 24px;
    text-align: center;
    padding: 4px;
    -webkit-border-radius: 4px;;
    -moz-border-radius: 4px;;
    border-radius: 4px;;
}
.customer-box .qr-code img {
    width: auto;
    max-width: initial;
    border: none;
}
.customer-box .qr-code span {
    color: #fff;
}
.customer-box .qr-code i.fa {
    color: #444;
    font-size: 24px;
    position: absolute;
    top: 50%;
    margin-top: -12px;
    right: -7px;
}


.customer-box .gotop {
    display: none;
}