@charset "UTF-8";
html {
    font-size: 62.5%;
}
body{
    font-size: 1.4rem;
    list-style:none;
    font-family:"Microsoft YaHei";
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,dl,dd,dt+dd{
    margin:0;
    padding:0;
    list-style:none;
    font-weight:400;
    color:#3a3a3a
}
img{
    vertical-align:middle;
    border:none;
}
.left{float:left;}
.right{float:right;}
.clear:after{
    content:'';
    clear:both;
    display:block;
}
.clear{clear:both;}
.clearfloat:after{
    display:block;
    content:'';
    height:0;
    clear:both;
    visibility:hidden;
}
.clearfloat{zoom:1;}
a{
    color:#333;
    text-decoration:none;
}
i,em{
    font-style:normal;
}
input,button{
    border:0;
    outline:none;
    margin:0;
    padding:0;
}
/*****AI学习助手 start*****/
/* 顶部 start */
header{
    position:fixed;
    z-index:999;
    top:0;
    width:100%;
    height:48px;
    line-height:48px;
    background:#336af4;
    text-align: center;
}
header a{
    position:absolute;
    left:10px;
    top:50%;
    transform: translate(0,-50%);
    width:28px;
}
header a img{
    width:100%;
}
header h1{
    width:100%;
    color:#fff;
    font-size:1.55rem;
    padding:0 30px;
    box-sizing: border-box;
}
/* 顶部 end */

/*列表 start*/
.menu_box{
    position:absolute;
    bottom:0;
    width:100%;
    height:calc(100% - 50px);
    background:#fff;
    border-radius:15px 15px 0 0;
    padding-bottom:20px;
    overflow-y:scroll;
    box-sizing: border-box;
}
.menu_list{
    width:calc(100% - 30px);
    margin:15px auto 0;
}
.menu_list li{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:left;
    width:100%;
    background: #edf9f7;
    border-radius:15px;
    margin-bottom:15px;
    overflow:hidden;
    box-sizing: border-box;
}
.menu_list li a{
    display:block;
    width:100%;
    color:#000;
    padding:30px 30px;
    box-sizing: border-box;
}
.menu_list li .ai_tb{
    width:60px;
    max-width:80px;
    margin-right:5px;
    vertical-align:middle;
}
.menu_list li span{
    width:100%;
    color:#000;
    font-size:1.6rem;
}
.menu_list li i{
    position:absolute;
    right:30px;
    top:50%;
    transform:translate(0,-50%) rotate(180deg);
    width:26px;
    height:26px;
    background:#47d3c5;
    border-radius:50%;
    box-shadow:0 0 5px 1px rgba(16,166,163,.3);
    color:#666;
    font-size:1.7rem;
    font-weight:bold;
    text-align:center;
}
.menu_list li i img{
    width:18px;
    margin:4px auto;
}
.menu_list li.item2{background:#f3f9fe;}
.menu_list li.item3{background: #fff5f3;}
.menu_list li.item2 i{background: #5c92ff;box-shadow:0 0 5px 1px rgba(14,56,200,.3);}
.menu_list li.item3 i{background: #ff7d65;box-shadow:0 0 5px 1px rgba(192,43,20,.3);}
/*列表 end*/



/*****AI学习助手 end*****/