.header-box{
    position: fixed;
    width: 100vw;
    height: 3.4rem;
    top:0;
    background: var(--main-bg);
    z-index: 99999999;
}

.header{
    width: 70vw;
    margin: auto;
}

.logo-box{

}
.logo-box img{
    height: 3.4rem;
}

.detail-box{
    width: 70vw;
    min-width: 800px;
    margin: 2em auto;
}

.nav-box{
    position:fixed; 
    width: 12rem;
}

.nav-title{
/*    height: 3rem;*/
    line-height: 3rem;
    background: var(--main-bg);
    color: #fff;
    width: 100%;
    text-align: center;
}

.nav-title img{
    width: 90%;
    margin:auto;
}

#nav ul{
    list-style: none;
    padding: 1em 0;
    margin: 0;
}

#nav ul li {
    text-align: center;
    margin:0;
}

#nav a{
    text-decoration: none;
    color: #333;
    line-height: 2;
    display:inline-table;
    width: 100%;
}

#nav a:hover{
    color: #093;
}

#nav .select{
    color: #093;
    font-weight: bold;
}


.detail{
    margin-left:12.5rem;
    padding: 4em 5em;
}