*{
    font: 13px/1.5 '微软雅黑', Verdana, Helvetica, Arial, sans-serif;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -box-sizing: border-box;
    padding:0;
    margin:0;
    list-style:none;
    box-sizing: border-box;
}

body{background: #eee;}

#nav_contact {
    border: 5px 5px 0 0;
    overflow: hidden;
    position: fixed;
    width:100%;
    top:0;
    left:0;
    right:0;
    box-shadow: 0px 0px 5px #000;
}

#nav_contact a {
    color: #fff;
    display: block;
    text-align: center;
    font-size:16px;
    line-height:40px;
}


#nav_contact div {
    line-height: 40px;
    font-size:16px;
    background: #6ACFF6;
    overflow: hidden;
    color:#fff;
    border-left: 1px solid #ddd;
}


#nav_contact div a.on {
    color: #000;
    background-color: #fff;
}

.box {
width: 100%;
display: -webkit-box;
display: -moz-box;
-webkit-box-orient: horizontal;
-moz-box-orient: horizontal;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
}
.box > * {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
}
.ul_list{
overflow: hidden;
}
.ul_list li{
width:25%;
float:left;
}
.ul_list li img{
width:60px;
height:60px;
border-radius:50%;
}
.ul_list a{
display: block;
overflow: hidden;
text-align: center;
border-right: 1px solid #eee;
border-bottom: 1px solid #eee;
text-decoration:none;
}

.ul_list a label{
color: #000;
display:block;
line-height:40px;
overflow:hidden;
padding: 0 5px;
font-weight: 400;
margin-bottom:0;
}
#book_list:first-of-type{display:block;}