.hid {
    height: 100%;
    overflow: hidden;
}

.mask {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 300;
    bottom: 0;
    overflow: hidden;
    background-color: white;
}
.mask .header{
    padding: 5px 0px;
  
}
.mask .header img {
    height: 30px;
}
#cha {
    height: 1rem;
    width: 1rem;
    float: right;
    margin-top: 10px;
    margin-right: 10px;
}

.mask .header i3 .nohid {
    display: none;
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    z-index: 2;
}


/* .cha {
    float: left;
    width: 20px;
    position: absolute;
    left: 10%;
    top: 34%;
    transform: translateX(-50%);
    float:right;
} */

.g_nav {
    height: 50px;
}

.g_nav a {
    width: 22%;
    margin: 1.5rem 1.5% 0;
    line-height: 2.9rem;
    text-align: center;
    font-size: 1.4rem;
    color: #333;
    background: #f6f6f6;
    border-radius: 1.45rem;
    float: left;
}

.g_map {
    overflow: auto;
    position: absolute;
    top: 4rem;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    padding-bottom: 2rem;
}

.g_item {
    margin: 2rem;
    border-top: 0.1rem solid #f2f2f2;
    padding: 2rem 0 0;
}

.g_item .t1 {
    font-size: 1.6rem;
    color: #444;
    line-height: 1.6rem;
    border-left: 0.4rem solid #5fc4ff;
    padding-left: 0.8rem;
    height: 1.8rem;
    margin-bottom: 0.5rem;
    display: block;
}

.g_item .t2 {
    line-height: 2.8rem;
    padding: 0 1rem;
    font-size: 1.2rem;
    color: #333;
    border: 0.1rem solid #d6d6d6;
    border-radius: 1.4rem;
    margin-right: 0.6rem;
    margin-top: 1.2rem;
    display: inline-block;
    position: relative;
}