body{
    margin: 0;
    padding: 0;
    background: #000;
    color: #ccc;
    font-size: 18px;
    line-height: 2.1;
    letter-spacing: 0.6px;
    font-weight: 200;
    /* transform: scale(0.96, 1); */
}
a {
    text-decoration: none;
    color: #999;
}
h1 {
    text-align: center;
}
nav, section{
    width: 80%;
    margin: 0 auto;
}
footer{
    padding: 20px;
    text-align: center;
}

.nextBtn{
    font-family: Georgia, Times, serif;
    font-weight: 800;
    width: 100%;
    display: block;
    text-align: center;
}
.spider_div{
    width: 80%;
    margin: 0 auto;
}
.abg{
    height: 380px;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    position: relative;
}
.abg .open_btn{
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -50px 0 0 -160px;
    width: 320px;
    height: 100px;
    font-size: 68px;
    color: #f80;
    font-weight: 800;
    text-align: center;
}
.abg .content{
    /* font-size: 12px; */
    line-height: 1.5;
    opacity: 0.6;
}