body{
    font-family: EN,-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif;
    margin: 0;
    overflow: scroll;
    background-color: #f0f0f3;
    min-height: 100vh;
}



/*header*/
header{
    background: #f0f0f3;
    box-shadow: 8px 8px 16px #d1d1d4, -8px -8px 16px #ffffff;
    border-radius: 12px;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 50;
    padding: 1rem;
    box-sizing: border-box;
}
header>div{
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    gap: 1em;
    justify-content: space-between;
    align-items: center;
}
header #header-item{
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
}
header #header-item a{
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}
header #header-item a:hover{
    color: #fff;
}
header #header-item .active{
    color: green;
}

header #header-right{
    margin-left: auto;
}
header #header-right>div{
    position: relative;
    width: 6em;
    display: inline-block;
}
header #header-right>div>span{
    cursor: pointer;
    min-width: 5em;
    background: darkolivegreen;
    padding: 6px;
    border-radius: 5px;
    color: lightgoldenrodyellow;
}
header #header-right ul{
    display: none;
    width: 5em;
    position: absolute;
    background-color: #f9f9f9;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    padding: 12px 16px;
    list-style: none;
}
header #header-right ul li a{
    text-decoration: none;
    color: black;
    cursor: pointer;
}
header #header-right ul li a:hover{
    color: #0F769F;
}




/*footer*/
#footer{
    clear: both;
    text-align: center;
    padding-top: 0.4em;
    background-color: #fafafa;
}
#footer p{
    margin-top: 0.5em;
    margin-bottom: 1em;
    padding: 0.4em;
    opacity: 0.5;

}
#footer span{
    margin-left: 1em;
    font-size: small;
}

#footer .c{
    font-size: x-small;
    color: #424242;
    text-decoration: none;
}





/*滚动条*/
*::-webkit-scrollbar{
    width: 4px;
}
*::-webkit-scrollbar-thumb{
    background-color: darkgrey;
}
*{
    scrollbar-width: thin;
}



/*分页*/
div#pagi{
    text-align: center;
    padding: 1em 0;
}
div#pagi span{
    padding: 0 6px;
}
div#pagi a {
    text-decoration: none;
    color: darkgray;
    font-size: 20px;
    display: inline-flex;
    background: #f5f5f5;
    width: 2em;
    height: 2em;
    justify-content: center;
    align-items: center;
    border-radius: 3px;
}
#pagi a.active{
    color: black;
}
div#pagi a:hover {
    color: black;
}

div#pagi input{
    width: 3em;
}
#pagi input::placeholder{
    text-align: center;
}



.my-btn{

}
.my-btn:hover{
    cursor: pointer;
    color: green;
}
.my-btn:active{
    color: #014d01;
}