.link {
    display: none;
    overflow: hidden;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9;
    background-color: #fff;
    padding: 4px 0;
    box-shadow: 5px 0 10px rgba(0, 0, 0, .05);
}

@media only screen and (max-width: 1199px) {
    .link {
        display: block;
    }
}

.link li {
    float: left;
    width: 25%;
}

.link li.on a,
.link li:hover a {
    color: #6fba2c;
}

.link li a {
    display: block;
    text-align: center;
    font-size: 13px;
    color: #000;
}

.link li.on .i1,
.link li:hover .i2 {
    background-image: url(../images/icon8-on.png);
}

.link li a .i1 {
    background-image: url(../images/icon8.png);
}

.link li a i {
    display: block;
    width: 25px;
    margin: 0 auto;
    height: 25px;
    background-repeat: no-repeat;
    background-position: center center;
    -o-background-size: auto 18px;
    -ms-background-size: auto 18px;
    -moz-background-size: auto 18px;
    -webkit-background-size: auto 18px;
    background-size: auto 18px;
}

.link li a .i2 {
    background-image: url(../images/icon9.png);
}

.link li a .i3 {
    background-image: url(../images/icon10.png);
}

.link li a .i4 {
    background-image: url(../images/icon11.png);
}