* {
    padding: 0;
    margin: 0;
}

html, body {
    width: 100%;
    height: 100vh;
    margin: 0 auto;
    font-family: "微软雅黑","Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
    background: #6193F5;
    background-size: cover;
}

input {
    outline: none !important;
}

ul {
    list-style: none;
}

ol {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

a {
    color: black
}

a:link {
    text-decoration: none !important;
}

a:visited {
    text-decoration: none !important;
}

a:hover {
    text-decoration: none !important;
}

a:active {
    text-decoration: none !important;
}
.loginBox {
    width: 900px;
    height: 500px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -250px;
    margin-left: -450px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.loginBox .leftPic {
    width: 440px;
    height: 580px;
    float: left;
    background: url("pic_left_Bj.png") no-repeat center center;
    position: relative;
    background-size: 100%;
}

.loginBox .leftPic img {
    display: block;
    margin: auto;
    margin-top: 68px;
    display: none;
}

.loginBox .loginFrom {
    background: #ffff;
    height: 376px;
    float: right;
    width: 333px;
    border-radius: 12px;
}

.loginBox .loginFrom h3 {
    margin: auto;
    margin-top: 28px;
    width: 178px;
    line-height: 42px;
    text-align: center;
    background: #d4e4ff;
    border-radius: 22px 22px 22px 22px;
    color: #4486F6;
    font-size: 16px;
}

.loginBox .loginFrom .appVersion {
    color: #999999;
    text-align: center;
    padding: 10px 0px;
}

.loginBox .loginFrom ul {
    width: 270px;
    margin: auto;
    padding-top: 32px;
}

.loginBox .loginFrom ul li {
    position: relative;
}

.loginBox .loginFrom ul li.user {
    margin-bottom: 20px;
}

.loginBox .loginFrom ul li i {
    width: 24px;
    display: block;
    height: 24px;
    position: absolute;
    top: 14px;
    left: 10px;
}

.loginBox .loginFrom ul li input {
    display: block;
    border: 1px solid #DDDDDD;
    line-height: 40px;
    border-radius: 4px;
    padding-left: 33px;
    padding-right: 15px;
    font-size: 14px;
    width: 220px;
}

.loginBox .loginFrom .remberPass {
    user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    text-align: right;
    width: 280px;
    margin: auto;
    color: #666666;
    padding: 15px 0;
    cursor: pointer;
}

.loginBox .loginFrom .remberPass i {
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url("https://hnou.wlxue.com/css/login/images/noSeled.png");
    position: relative;
    top: 3px;
    margin-right: 5px;
}

.loginBox .loginFrom .remberPass i.active {
    background: url("https://hnou.wlxue.com/css/login/images/seled.png");
}

.loginBox .loginFrom button:hover {
    opacity: 0.8;
}

.loginBox .loginFrom button {
    background: #4486F6;
    border-radius: 4px 4px 4px 4px;
    width: 266px;
    height: 40px;
    color: #fff;
    border: none;
    outline: none;
    display: block;
    font-size: 16px;
    margin: auto;
    margin-top: 15px;
    cursor: pointer;
}

.loginBox .loginFrom ul li.user i {
    background: url("https://hnou.wlxue.com/css/login/images/user.png") no-repeat;
    background-size: 16px;
}

.loginBox .loginFrom ul li.pass i {
    background: url("https://hnou.wlxue.com/css/login/images/pas.png") no-repeat;
    background-size: 16px;
}
.top{width: 1200px;margin: auto;display: flex;align-items: center;justify-content: flex-start;padding-top: 5vh;padding-left: 20px;}

.top  img{

    width: 55px;
}
.top  span{

    color: #fff;

    font-weight: bold;

    font-size: 30px;

    padding-left: 20px;

    letter-spacing: 4px;
}