.im {
    position: fixed;
    right: 2px;
    top: auto;
    bottom: 40px;
    z-index: 11;
}

.im-l {
    color: #fff;
    width: 32px;
    height: 60px;
    cursor: pointer;
    background-color: #333;
    box-shadow: 0 0 8px #333;
    border-radius: 4px 0px 0px 4px;
    display: block;
    text-align: center;
    line-height: 60px;
    float: left;
}

    .im-l i {
        font-size: 20px;
    }

#select {
    display: none;
}

.im .box {
    float: right;
    width: 100px;
    background-color: #333;
    border-radius: 0 4px 4px 4px;
    display: none;
}

    .im .box ul {
        background-color: #fff;
        list-style-type: none;
        margin: 5px;
        padding: 15px 0 1px 0;
    }

        .im .box ul li {
            overflow: hidden;
            text-align: center;
            margin-bottom: 15px;
        }

            .im .box ul li a {
                text-decoration: none;
                display: block;
            }

                .im .box ul li a span {
                    display: block;
                    font-size: 12px;
                    font-weight: normal;
                    font-family: Arial;
                    color: #666;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    display: -webkit-box;
                    -webkit-line-clamp: 1;
                    -webkit-box-orient: vertical;
                }

            .im .box ul li i {
                font-size: 24px;
                color: #f39d22;
            }

            .im .box ul li a:hover i {
                color: #343537;
            }

#select:checked + .box {
    display: block;
}

@media screen and (min-width:768px) {
    .im {
        width: 132px;
        position: fixed;
        right: -100px;
        top: 250px;
        transition: right 0.5s;
        bottom: auto;
        z-index: 11;
    }

        .im:hover {
            right: 0;
        }

        .im .box {
            position: absolute;
            display: block;
            width: 100px;
            right: 0;
            top: 0;
        }
}