body, #layout {
    background:#f9fafd;
}

#north {
    border-bottom: 1px solid #f2f2f2;
}

#center {
    width:1200px;
    margin: 0 auto;
    padding-bottom:30px;
    /*min-height:700px;*/
}

#left-menu, #content {
    margin-top:20px;
}
/*左侧菜单*/
 .menu-wrap {
    float:left;
    width:260px;
    /*border: 1px solid #eee;*/
    background: #fff;
    box-shadow: 0 0 2px 2px rgb(0 0 0 / 2%);
    border-radius: 8px;
}

.t-user {
    border-bottom: 1px solid #eaeaea;
    padding: 30px 0;
    position: relative;
    font-size: 18px;
    color: #333;
    margin: 0 30px 30px;
    text-align: center;
}

.menu-wrap dd .iconfont {
    font-size: 18px;
    margin-right: 5px;
}

.t-user.t-teacher-box {
    height: 74px;
    padding-left: 86px;
    box-sizing: border-box;
}

.t-user img {
    border-radius: 36px;
    left: 15px;
    position: absolute;
    top: 50%;
    margin-top: -18px;
}

.t-user.t-teacher-box img {
    width: 60px;
    height: 60px;
}

.t-user .center-name {
    margin-top:5px;
    display:inline-block;
}

.t-user.t-teacher-box .center-name {
    margin-top:16px;
    color: #000;
}

.center-auth-icon {
    position: absolute;
    color: #ffd200;
    bottom: 5px;
    left: 55px;
    font-size: 18px;
}

.center-auth {
    background: #4a77e9;
    color: #fff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 5px 0 0 5px;
    position: absolute;
    right: -5px;
}

.center-auth.auth-1 {
    background: #ffd200;
}

.center-auth.auth-3 {
    background: #59b05d;
}

.center-auth.auth-4 {
    background: #ec2323;
}

.center-auth:before {
    content:"";
    position: absolute;
    border-left: 5px solid #2254d2;
    /* border-bottom: 5px solid transparent; */
    border-top: 5px solid transparent;
    right: 0;
    top: -5px;
}

.center-auth:after {
    content:"";
    position: absolute;
    border-left: 5px solid #2254d2;
    border-bottom: 5px solid transparent;
    /*border-top: 5px solid transparent;*/
    right: 0;
    bottom: -5px;
}

.center-auth.auth-1:before, .center-auth.auth-1:after {
    border-left-color: #e6b41c;
}

.center-auth.auth-3:before, .center-auth.auth-3:after {
    border-left-color: #318235;
}

.center-auth.auth-4:before, .center-auth.auth-4:after {
    border-left-color: #c91515;
}

.t-user a {
    display:block;
    color:#444;
    font-size:17px;
    height: 49px;
    line-height: 50px;
}

ul.my-left {
    margin:0;
    padding: 0 30px;
}

/*.my-left li {*/
/*    border-bottom: 1px solid #eee;*/
/*    height: 50px;*/
/*    line-height: 50px;*/
/*    margin-bottom: -1px;*/
/*    position:relative;*/
/*    color:#555;*/
/*    font-size:15px;*/
/*}*/

.my-left li {
    background: #f9f9f9;
    height: 42px;
    line-height: 42px;
    border-radius: 42px;
    margin-bottom: 20px;
    color: #666;
}

.my-left li i {
    /*margin-left:30px;*/
    /*font-size:18px;*/
    /*vertical-align: middle;*/
    margin-right: 18px;
}

.my-left li a {
    color: #666;
    display: block;
    padding-left: 35px;
    /*height: 100%;*/
    /*padding-left: 20px;*/
    /*vertical-align: middle;*/
}

.my-left .cur {
    background: #4c86f7;
    color: #fff;
}

.my-left .cur a {
    color: #fff;
}

.clear {
    clear:both;
}

#content {
    width: 910px;
}

.center_content {
    width: 900px;
    background: #fff;
    padding: 20px;
    /*border: 1px solid #eee;*/
    box-sizing: unset;
    min-height: 410px;
    box-shadow: 0 0 2px 2px rgb(0 0 0 / 2%);
    border-radius: 8px;
}

.crumbNav {
    margin: 0 0 10px 0;
}

.crumbNav>ul {
    font-size:13px;
    color:#959595;
    margin:0;
}

.crumbNav>ul>li {
    display:inline-block;
}

.crumbNav>ul>li>span.iconfont {
    font-size:12px;
    margin:0 5px;
}

.mhide {
    display:none;
}

@media screen and (max-width:640px) {
    #left-menu {
        position: fixed;
        left: -160px;
        top: 0;
        height: 100%;
        width: 160px;
        background: none;
        margin:0;
        padding-top: 60px;
        padding-bottom: 0;
        box-sizing: border-box;
        z-index: 999;
        background: rgba(0, 0, 0, 0.8);
        transition: all 0.4s;
        -webkit-transition: all 0.4s;
    }
    
.m-show-btn {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        margin: auto;
        right: -40px;
        width: 40px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        background: #4976E8;
        border-top-right-radius: 5px;
        border-bottom-right-radius: 5px;
        color: #fff;
        font-size: 22px;
        font-weight: bold;
        cursor: pointer;
    }
    
.close-leftmenu-btns {
        display: block;
        position: absolute;
        top: 10px;
        right: 0;
        width: 40px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        color: #fff;
        font-size: 22px;
        cursor: pointer;
    }
    
.menu-wrap {
        width: 100%;
        height: 100%;
        background:none;
        box-sizing: border-box;
        border:none;
        padding-bottom: 20px;
        overflow-y: auto;
    }
    
.t-user, .t-user.t-teacher-box {
        background:none;
        height:auto;
        padding: 20px;
        border-bottom:none;
    }
    
.t-user img, .t-user.t-teacher-box img {
        width:80px;
        height:80px;
        display:block;
        margin: 0 auto;
        position:static;
        border-radius: 40px;
    }
    
.t-user>span {
        width: 100%;
        text-align: center;
        color: #fff;
    }
    
.t-user .center-auth {
        border-radius: 0;
        width: auto;
        right: 0;
        left: 0;
    }
    
.my-left li {
        border:none;
    }
    
.my-left li i {
        display:none;
    }
    
.my-left li a {
        width:100%;
        box-sizing: border-box;
        padding-left:0;
        text-align:center;
        color:#fff;
    }
    
.my-left .cur a {
        color:#fff;
        background:#2f7cee;
        text-decoration: none;
    }
    
#center {
        width:100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
#content {
        float:none !important;
        margin-top:60px;
        margin-bottom: 20px;
    }
    
.center_content {
        width: 100%;
        box-sizing: border-box;
        border-radius:10px;
    }
}