html,body{
    height: 100%;
}

.clearfloat:after { clear:both;content:'';display:block;width:0;height:0;visibility:hidden; }

body{
    font-family:Arial,Helvetica,"Microsoft Yahei","Hiragino Sans GB","Heiti SC",sans-serif;
    background-color: #fff;
    color:#333;
    font-size:16px;
}
a{
    color:#1565c0;
    text-decoration:none;
}

h1,h2,h3,h4,h5{
    font-weight: 500;
}
nav ul{
    padding: 0;
    margin: 0;
    list-style: none;
}

@media (min-width: 100px){

    html{
        line-height: 1!important;
    }
    .container{
        width: 1280px;
        margin: 0 auto;
    }
    p{
        margin: 20px 0;
    }

    .overflow-hidden{
        overflow: hidden;
    }

    header{
        min-width:1280px;
        background: #222;
        box-shadow: 0 3px 5px #bbb;
    }
    header .header-content{
        display: flex;
        padding:10px 0;
    }
    header .title{
        display: none;
    }

    nav ul .logo{
        width: 70px;
        height: 70px;
        padding: 1px;
        box-sizing: border-box;
        border-radius: 5px;
        border:1px solid #fff;
        overflow:hidden;
        vertical-align: middle;
        margin-right: 50px;
        display: inline-block;
        /*animation:myrotate 2s linear infinite;*/
    }

/*    nav ul .icon:hover{
        animation-play-state:paused;
    }*/
    @keyframes myrotate {
        0% {
            transform: rotate(0deg);
        }
        100% {
            transform: rotate(360deg);
        }
    }
    
   nav ul{
        background: none!important;
    }
    
    nav ul .logo img{
        max-width: 100%;
        cursor: pointer;
    }
    
    .layui-nav .layui-nav-item a{
        font-size: 20px!important;
        color: #fff!important;
        background: none!important;
    }
    
    .layui-nav .layui-nav-item dd a{
         font-size: 16px!important;
        color: #000!important;
    }


    header .search{
        display: flex;
        align-items:center;
        margin-left:auto;

    }
    header .search input{
        width: 120px;
        height: 40px;
        padding: 3px 5px;
        box-sizing: border-box;
        border: 1px solid #ccc;
        border-radius: 5px;
        outline:none;
    }
    header .search .submit{
        color: #fff;
        height: 38px;
        width: 70px;
        text-align: center;
        border: 1px solid #fff;
        background: transparent;
        border-radius: 5px;
        margin-left: 20px;
        cursor: pointer;
    }
    header .iconfont-qq{
        display: flex;
        align-items:center;
        margin-left: auto;
    }
    header .iconfont-qq a{
        width: 140px;
        font-size: 16px;
        display:  flex;
    }
    header .iconfont-qq a:hover{
        border-bottom: none;
    }
    header .iconfont-qq .join-qun{
        margin-left: 10px;
    }
    header .iconfont-qq i{
        font-size: 40px;
        color: #fff;
        border-radius: 50%;
    }
    header .iconfont-qq span{
        color: #fff;
        line-height: 40px;
    }



    /*定义滚动条高宽,分别对应横竖滚动条的尺寸*/
    ::-webkit-scrollbar
    {
        width: 8px;
        height: 8px;
    }

    /*定义滚动条轨道*/
    ::-webkit-scrollbar-track
    {
        background-color: #F5F5F5;
        border-radius: 10px;
    }

    /*定义滑块*/
    ::-webkit-scrollbar-thumb
    {
        background-color: #bbb;
        border-radius: 10px;
    }
}