html{
    scrollbar-width: none;
	-ms-overflow-style: none;
}
body,ul,li,iframe,button,input{
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    font-family: "Consolas","Microsoft Yahei";
}
body{
    background:
      radial-gradient(circle at 50% 0,
        rgba(255,232,216,.4),
        rgba(255,232,216,0) 70.71%),
      radial-gradient(circle at 6.7% 75%,
        rgba(216,255,216,.4),
        rgba(216,255,216,0) 70.71%),
      radial-gradient(circle at 93.3% 75%,
        rgba(216,232,255,.4),
        rgba(216,232,255,0) 70.71%) #fff;
    background-attachment: fixed;
    min-width: 360px;
}
body::-webkit-scrollbar{
    display: none;
}
ul{
    list-style: none;
}
li{
    line-height: 1.8;
    color: #f66;
    cursor: pointer;
}
li:hover{
    color: #fff;
    background-color: #faa;
}
li:active,.active,.active:hover{
    color: #fff;
    background-color: #f88;
}
.header{
    display: none;
    width: 100%;
    height: 50px;
    line-height: 50px;
    background-color: #fff;
}
.top_menu{
    position: fixed;
    top: 50px;
    width: 100%;
    height: 0;
    background-color: #fff;
    text-align: center;
    transition: height 0.3s;
    overflow: hidden;
}
.top_menu li{
    width: 100%;
    line-height: 50px;
    padding: 0 50px;
    box-sizing: border-box;
}

.menu{
    float: left;
    height: 100vh;
    width: 15vw;
    min-width: 160px;
    background: #fff;
    font-size: 20px;
    font-weight: bold;
}
.menu li{
    padding: 0 20px;
    margin: 0 10px;
    border-radius: 18px;
    transition: background-color 0.1s;
    text-align: center;
}
.title{
    line-height: 40px;
    display: inline-block;
    margin-left: 10%;
}
.menu_btn{
    height: 30px;
    float: right;
    margin: 10px;
    transition: all 0.3s;
}
.system_info{
    display: none;
    position: absolute;
    left: 0;
    bottom: 5px;
    width: 15vw;
    text-align: center;
    font-size: 12px;
    color: #bbb;
}
.loading{
    z-index: -999;
    position: absolute;
    left: 0;
    top: calc(50% - 1.5em);
    width: 100%;
    text-align: center;
}
.frame{
    height: 94vh;
    width: 85vw;
    max-width: calc(100vw - 160px);
}
.footer{
    padding-top: 10px;
    float: right;
    width: 80%;
    font-size: 14px;
    text-align: center;
}
.footer a{
    font-size: 14px;
    text-decoration: none;
    color: #0af;
}
.footer a:hover{
    color: #f00;
}
.warning{
    display: none;
    text-align: center;
}
.warning h1{
    color: #f44;
    margin: 50px auto;
}
.warning img{
    width: 60px;
    border: none;
}
.browsers{
    width: 100%;
    margin: auto;
    max-width: 600px;
    overflow: hidden;
}
.browser{
    width: 33.33%;
    float: left;
    color: #000;
    font-size: 13px;
    text-decoration: none;
}