/*底部导航*/
footer ul {
    background-color: #333;
    position: fixed;
    display: block;
    bottom: 0;
    width: 100%;
    height: 35px;
    line-height: 35px;
    font-family: "microsoft yahei";
    font-size: 1.125rem;
    border-radius: 6px;
}

footer li {
    width: 25%;
    float: left;
    text-align: center;
}

/*导航选项链接*/
footer li a {
    padding: 12px 5px;
    color: white;
}

footer li a.active {
    background-color: rgb(235, 84, 14);
}

footer li a:active,
footer li a:link,
footer li a:visited {
    color: white;
}

footer {
    width: 100%;
    display: block;
}

footer img {
    width: 145px;
    left: 32%;
    position: relative;
    box-sizing: border-box;
}

footer p {
    text-align: center;
}