body{
    overflow: hidden;
}
#top_nav{
    display: none;
}
#home{
    position:fixed;
    width: 100vw;
    height: 100vh;
    overflow:hidden;
    z-index: 10;
}
#main{
    height: calc(100vh - 76px);
    overflow: auto;
}

#canvas {
    opacity: 0.2;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 20;
    background-color: #ffffffff;
}
#header{
    display: none;
}
.customPage{
    opacity: 0.8;
}
/* 头部 */
div#blogTitle,
div.header{
    background: none;
    background-image: linear-gradient(to right, #00882a, #cccccc);
}
div.header{
    position: sticky;
    top: 0;
    padding: 10px 10px;
}
#main-title{
    color: #ffffff;
    font-size: 1.4rem;
}
#sub-title{
    color: aliceblue;
    padding: 8px;
}
.title-right{
    display: flex;
    justify-content: space-between;
    position: absolute;
    bottom: 10px;
    right: 20px;
}
.title-nav{
 margin-left: 6px;
}
.btn{
    color: #fff;
    display: block;
    font-size: 12px;
    width: 65px;
    padding: 4px 0 7px;
    text-align: center;
    margin: 0;
    line-height: 120%;
    background-image: linear-gradient(to top, #9d9d9d 20%, #161616 80%, #9d9d9d 100%);
    box-shadow: none;
    transition: all 0.3s;
}
.btn:hover{
    color: #fff;
    box-shadow: 0 0 2px 1px #e7e7e7;
    opacity: 0.6;
}