@font-face {
    font-family: 'icomoon';
    src: url('../fonts/icomoon.eot?v01t6l');
    src: url('../fonts/icomoon.eot?v01t6l#iefix') format('embedded-opentype'), url('../fonts/icomoon.ttf?v01t6l') format('truetype'), url('../fonts/icomoon.woff?v01t6l') format('woff'), url('../fonts/icomoon.svg?v01t6l#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

.dingwei {

    width: 100%;
    height: 60px;
    background-color: #74c2be;

}

/* #backend {
    display: none;
} */


.fr {
    width: 1100px;
    height: 60px;
    line-height: 60px;
    color: #01191a;
    margin: 0px auto;
}

.bt {
    margin-right: 50px;
}

#backend_but img,
#backend_but a {
    cursor: default;
}



.bt,
.fr ul li {
    float: left;
}


/* 间隔符样式 */

.fr ul li:nth-child(even) {
    width: 1px;
    height: 16px;
    background-color: #01191a;
    margin: 23px 15px 0;
}

.bt a,
.fr ul a {
    color: #01191a;
}

.fr ul a:hover {
    color: rgb(202, 242, 240);
}

.fr ul li {
    cursor: pointer;
}

.fr input {
    box-sizing: border-box;
    width: 240px;
    height: 30px;
    margin-top: 14px;
    border-radius: 15px;
    background-color: #bde2e1;
    border: 0;
    padding-left: 18px;
    float: right;
}

.fr input:hover {
    border: none;
}

.container {
    display: flex;
    background-color: #f4f4f4;
}

.content-left {
    width: 150px;
    height: 100vh;
    overflow: hidden;
    position: relative;
    background-color: #47504B;

}

.content-right {
    height: calc(100vh - 60px);
    flex: 1;
    background-color: #e8e8e8;

}

.tent-right {
    height: 100vh;
    flex: 1;
    background-color: #e8e8e8;
}

.nav {
    margin-top: 0px;
    overflow-y: auto;
}

.nav::-webkit-scrollbar {
    width: 9px;
    background-color: #ffffff;
}

.nav::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    width: 6px;
    border-radius: 5px;
    background-color: #fcfcfc;
}

.nav::-webkit-scrollbar-thumb {
    width: 4px;
    height: 50px;
    border-radius: 5px;
    background-color: #bababa;
}

.zhubiao {
    display: block;
    position: relative;
    height: 60px;
    color: #050505;
    padding-left: 10px;
    line-height: 60px;
    background-color: #f6ab41;
    border-bottom: 1px solid #39423E;
    cursor: pointer;
    overflow: hidden;
    user-select: none;
}

.nav-content>li {
    height: 35px;
    color: #F7F8F8;
    font-size: 14px;
    padding-left: 20px;
    line-height: 35px;
    border-top: 1px solid #39423E;
    background-color: #47504B;
    cursor: pointer;
    overflow: hidden;
    user-select: none;
}

.nav-content>li:hover {
    color: #ffffff;
    background-color: #626a66;
}

.nav-content>li::before {
    content: '\ea56';
    font-family: 'icomoon';
}

#ico4::before {
    content: '\e901';
    font-family: 'icomoon';
    padding-top: 2px;
    vertical-align: bottom;
    margin: 3px;
}

.xlcd3 {
    width: 50px;
    height: 55px;
    line-height: 55px;
    text-align: center;
    font-size: 18px;
    color: rgb(120, 239, 235);
    cursor: pointer;
}

.xlcd3::before {
    content: '\e905';
    font-family: 'icomoon';
}

.xlcd3:hover {
    color: #fbb426 !important;
}

.xlcd3 {
    float: left;
}