.leftMenu a {
    text-decoration: none;
    display: block;
    width: 100%;
    height: 30px;
    line-height: 30px;
    display: inline-block;
}

.leftMenu {
    background: #fff;
    left: -1000px;
    position: fixed;
    top: 50px;
    left: 1000px;
    display: block;
    height: 100%;
    width: 68%;
    min-width: 140px;
    max-width: 440px;
    z-index: 90002;
    transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    position: fixed;
    overflow: auto;
}

.leftMenu.menu-open {
    left: 35%;
}

.leftMenu ul {
    list-style: none;
    padding: 0;
    overflow: hidden;
}

.leftMenu ul li {
    position: relative;
    padding: 10px 0 10px 20px;
    overflow: hidden;
    background: #f1f3f7;
    border-bottom: 5px solid #fff;
    color: #fff;
    font-size: 16px;
}

.leftMenu ul li.hasChild li {
    border-bottom: none;
}

.leftMenu ul li a {
    color: #383838;
}
.leftMenu ul li a:hover{
    color: #b6301d;
}

.leftMenu ul li.hasChild {
    background: #f1f3f7;
    border-bottom: 5px solid #fff;
    color: #fff;
    font-size: 16px;
}

.leftMenu ul li.hasChild .hasChild_1 {
    border-bottom: none;
}


.leftMenu ul li.hasChild a {
    color: #383838;
}
.leftMenu ul li.hasChild a:hover {
    color: #b6301d;
}
.leftMenu ul li.hasChild>a:after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 24px;
    font-weight: 300;
}

.leftMenu ul li.hasChild.open>a:after {
    content: "-";
    right: 23px;
    font-size: 28px;
    top: -3px;
}

.f2,
.f3 {
    height: 0;
    padding-left: 20px;
    overflow: hidden;
    position: relative;
    transition: height 0.4s ease;
    -moz-transition: height 0.4s ease;
    -webkit-transition: height 0.4s ease;
    -o-transition: height 0.4s ease;
}

.f2,
.f3 a {
    font-size: 14px;
    color: #383838;
}

.menu-dark-backdrop {
    background: rgba(0, 0, 0, 0);
    transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    width: 100%;
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    display: none;
}

.menu-dark-backdrop.in {
    height: 100%;
    z-index: 90001;
    background: rgba(0, 0, 0, 0.5);
    display: block;
}

.right_top {
    font-size: 20px;
    font-family: "Microsoft YaHei";
    color: rgb(51, 51, 51);
}

.right_top ul {
    display: flex;
    margin-left: 220px;
}

.right_top ul li {
    width: 78px;
    height: 90px;
    margin-left: 40px;
    line-height: 60px;
    text-align: center;
}

.bg-tah {
    background: url("../image/jiaoyu_2.png") no-repeat center center;
    background-size: contain;
    text-align: center;
}

.bg-tah {
    color: #fff;

}

.box_content {
    width: 900px;
    margin-left: 60px;
    margin-top: 60px;
}

.box_content li {
    width: 268px;
    height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    float: left;
    margin-right: 30px;
    margin-bottom: 26px;
}

.box_content li .imgbox {
    padding: 10px;
    border: 1px solid #ccc;
}

.box_content li .img {
    width: 100%;
    height: auto;
}

.box_content li p {
    font-size: 16px;
    font-family: "Microsoft YaHei";
    color: rgb(102, 102, 102);
    text-align: center;
}

.page-fase {}

.page-fase ul {
    display: flex;
    width: 500px;
    align-items: center;
    justify-content: space-between;
    margin-left: 250px;
}

.page-fase ul li {
    width: 80px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    background-color: #eee;
}

.page-fase ul .no-border {
    background-color: #fff;
}