/* navigation_css */
.navigation_a {
    font-family: SOURCESANSPRO-REGULAR;
    /* font-size:0.8rem; */
    font-size:13px;
    text-decoration: none;
    list-style: none;
    cursor: pointer;
    color: #ffffff;
}

.backtoindex{
    top: -85px;
    left: -80px;
    position: fixed;
    z-index: 10;
    /* height:480px;
    width: 480px; */
    height:1vw;
    width: 1vw;
    background-image: url(https://static.igem.wiki/teams/4308/wiki/static/imgs/backtoindex.png);
    transform: scale(0.5);
    background-repeat: no-repeat;
}

.mhynav {
    height: 150px;
    width: 130px;
    top: 5px;
    right: 120px;
    position: fixed;
    background-image: url(https://static.igem.wiki/teams/4308/wiki/static/imgs/cat-navigation.gif);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    transform: translate(50%, 50%);
    z-index: 10;
}

.mhynav:hover {
    cursor: pointer;
}

.mhynavbox {
    position: fixed;
    /*width: 389px;*/
    width: 800px;
    height: 300px;
    top: 1px;  /* 左上优先，导航在右边，应该固定右、上 */
    right: 20px;
    z-index: 15;
    display: none;
}

.mhynavbox li {
    list-style: none;
    width: 240px;
    height: 60px;
    background-color: #ffffff;
    border-radius: 66px;
    margin: 25px auto;
    text-align: center;
    /* text-transform:uppercase; */
    line-height: 57px;
    font-size: 25px;
    color: #333333;
    font-weight: bolder;
    float: none;
    cursor: pointer;
}
/* .nav_firstclass{
    text-transform:uppercase;
} */
.mhynavbox li:hover {
    font-size: 28px;
}


.mhynavbox li:first-child {
    background-color: #115596;
    color: #ffffff;
}

/* 导航栏遮罩 */
.mhycover {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9;
    display: none;
}


.mhyTag li:first-child {
    background-color: #ffffff;
    color: black;
}

.mhyTag {
    position: fixed;
    z-index: 10;
    top: -30px;
    right:600px;
    /* left: 1050px; */
    width: 380px;
    height: 60px;
    border-radius: 33px;
    margin: 25px auto;
    text-align: center;
    line-height: 57px;
    font-size: 23px;
    color: #333333;
    font-weight: bolder;
    float: none;
    cursor: pointer;
    display: none;
}

.mhyTag li {
    list-style: none;
    width: 380px;
    height: 60px;
    border-radius: 33px;
    background-color: #ffffff;
    margin: 25px auto;
    text-align: center;
    line-height: 57px;
    font-size: 23px;
    color: black;
    /*font-weight: bolder;*/
    float: none;
    cursor: pointer;
    z-index: 10;
}

.mhyTag li a {
    text-decoration: none;
    list-style: none;
    cursor: pointer;
    color: black;
}

.mhyTag li:hover {
    font-size: 28px;
    border: #176dbd;
}