html, body {
    height: 100%;
}
div,p,span{
    font-family: auto;
    font-size: 20px;
}
a{
    color: black;
}
a:hover{
    color: black;
    text-decoration: none !important;
}
.flex{
    display: flex;
}
.flexwrap{
    flex-wrap: wrap;
}
.flex-center{
    display: flex;
    align-items: center;
}
.flex-center-between{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.flex-between{
    display: flex;
    justify-content: space-between;
}
.flex-around{
    display: flex;
    justify-content: space-around;
}
.flex-center-around{
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.tbg{
    background: #FFD96E;
    padding: 20px 0;
    width: 120px;
    /* text-align: center; */
    justify-content: center;
}
/*头部导航*/
.toprow{
    display: flex;
    align-items: center;
}
.left-title{
    font-style: italic;
    font-weight: bold;
    line-height: initial;
}
.left-title-top{
    font-size: 40px;
}
.left-title-mid,.left-title-bottom{
    font-size: 14px;
}
.tlogo{
    width: 265px;
    margin-top: 15px;
    margin-left: 15px;
    margin-bottom: 15px;
}
.logo{
    width: 80px;
    margin-left: 2px;
}
.menutext{
    font-family: none;
    margin-left: 5px;
    font-size: 16px;
}
.menutext:hover{
    cursor: pointer;
}
.menuicon,.menuicons{
    width: 19px;
}
.menuicon:hover{
    cursor: pointer;
}

/*头部导航*/
/*底部*/
.footer{
    width: 100%;
    background: #11484f;
    padding: 70px 0;
    text-align: center;
    color: white !important;
}
.fnavtext{
    font-size: 15px;
    color: white !important;
}
.ftnav{
    width: 60%;
    margin-left: 20%;
}
.fyw {
    font-size: 15px;
    margin-top: 20px;
}
.flogo{
    width: 70px;
    margin-top: 70px;
}
/*底部*/

/*新闻，新闻详情，教材导航*/
.navheader{
    background: #11484F;
    padding: 40px 0 60px 60px;
}
.navtop{
    width: 440px;
}
.navline{
    background: white;
    height: 1px;
    width: 85%;
    margin-left: 7.5%;
    margin-top: 2px;
}
.ntitle,.navarow{
    color: white;
    font-size: 16px;
}
.mdcont{
    background: #F3F1F2;
    padding: 60px 0;
}
.newstitle{
    color: white;
    font-size: 40px;
    margin-top: 20px;
}
.odmenu{
    top: 80px;
}
/*新闻，新闻详情，教材导航*/

/*头部下拉菜单*/
.dmenu{
    display: none;
    width: 120px;
    position: absolute;
    right: 0px;
    background: black;
}
.dmenu a{
    display: block;
    font-size: 16px;
    text-align: center;
    width: 100%;
    background:black;
    display: block;
    padding: 10px 20px;
}
.dline{
    width: 80%;
    margin-left: 10%;
    background: white;
    height: 1px;
}
/*头部下拉菜单*/

.moreimg{
    width: 25px;
    margin-right: 15px;
}
.moretext{
    font-size: 16px;
    color: #4F4F4F;
}