/* css reset 重置样式 */
body{
    margin: 0;
}
ul{
    padding: 0;
    margin: 0;
}
li{
    list-style: none;
}

/* 工具类 */
.clearfix::after{
    content: "";
    display: block;
    /* 清除所有方向的浮动 */
    clear: both;
}
/* 最外层容器 */
.container{
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}
/* 左侧图片部分 */
.left-img{
    height: 100vh;
    width:375px;
    float: left;
    /* ../ 表示返回上一级目录*/
    background-image: url("../img/banner.jpg");
    background-size: cover;
    background-position: center center;
}
/* 登录页面主要功能部分 */
.right-content{
    height: 100vh;
    width: calc(100vw - 375px);
    background-color: #f5f5f5;
    float: left;
}

/* 顶部导航栏 */
.top-bar{
    padding:20px;
}
.logo{
    float: left;
}
.logo img{
    width: 40px;
    height: 40px;
    display: block;
    float: left;
}
.logo span{
    font-size: 26px;
    color:rgba(0,0,0,.8);
    font-weight: 500;
    display: block;
    float: left;
    margin-left: 10px;
}
.top-nav{
    float: right;
}
.top-nav ul li{
    float: left;
    color:#838383;
    font-size: 14px;
    margin:0 10px;
}
.top-nav ul li:hover{
    color:#ff6900;
    cursor: pointer;
}
.top-nav ul li.line{
    color:rgba(0,0,0,.1)
}
.top-nav ul li.line:hover{
    cursor:auto;
}
.top-nav li i{
    display: inline-block;
    margin-top: 5px;
    border-top: 5px solid gray;
    border-bottom: 5px solid transparent;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
}
/* 登录框 */
.login-box{
    width: 450px;
    background-color: #fff;
    box-shadow:0 0 10px #aaa;
    margin: 100px auto;
    padding: 40px 45px;
    box-sizing: border-box;
}
.login-box .login-tab div{
    font-size: 24px;
    color: #bbb;
    font-weight: 400;
    float: left;
    margin-right: 20px;
}
.login-box .login-tab div.active{
    color: #111;
}
.login-box .login-tab .active::after{
    content: "";
    display: block;
    height: 4px;
    width: 100%;
    background-color: #ff6900;
    margin-top:5px;
    border-radius: 2px;
}
.login-box .login-input{
    margin-top: 20px;
    overflow: hidden;
}
.login-box .login-input div{
    height: 60px;
    background-color: #f5f5f5;
    margin-top: 20px;
    padding-left: 20px;
}
.login-box .login-input input{
    height: 100%;
    border:0;
    outline: none;
    background-color: transparent;
    font-size: 20px;
}