* {
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
    font-size: 16px;

}

a {
    text-decoration: none;
    color: #FFffff;
}

ul li {
    list-style: none;
}

.nav_cen {
    margin: 0 auto;
    width: 110rem;

}

.head_nav:after,
.head_rig>ul:after,
.foot_cen:after,
.nav_cen:after,
.colleges ul:after,
.specialty ul:after,
.foot .nav_cen:after,
.foot_rig:after {
    content: "";
    display: block;
    clear: both;

}

.header_fu {
    width: 100%;
    height: 8.6rem;
}


.banner {
    width: 100%;
    height: 24rem;
    background: url("../imgs/product/banner3.png") no-repeat;
    background-size: cover;
}



.colleges {
    width: 100%;
}

.colleges p {
    width: 95rem;
    padding: 5.6rem 0px 7.6rem 0px;
    font-family: MicrosoftYaHei;
    font-size: 1.8rem;
    line-height: 4.5rem;
    letter-spacing: 0.1rem;
    color: #000000;
    display: block;
    margin: 0 auto;
    text-indent: 2em;
    text-align: justify;
}

.colleges h1 {
    font-family: MicrosoftYaHei;
    font-size: 3rem;
    line-height: 3rem;
    letter-spacing: 0.1rem;
    font-weight: normal;
    font-stretch: normal;
    color: #333333;
    text-align: center;

}

.colleges ul {
    padding: 8rem 0px 8.6rem 0.6rem;
    width: 104rem;
    display: block;
    margin: 0 auto;


}

.colleges ul li {
    width: 13rem;
    float: left;
    padding: 0rem 4rem 0rem 4rem;
    display: block;
    margin: 0 auto;

}

.colleges ul li:last-of-type {
    padding: 0rem 0rem 0rem 4rem;
}


.colleges ul li img {
    display: block;
    margin: 0 auto;
    width: 9rem;
    height: 10rem;
    padding-bottom: 3rem;
}

.colleges ul li span {
    display: block;
    font-family: MicrosoftYaHei;
    font-size: 2rem;
    line-height: 3rem;
    letter-spacing: 0.1rem;
    color: #333333;
    width: 13rem;
    text-align: center;
}


.school_base {
    width: 100%;
    height: 68rem;
    background-color: #f7f7f7;
}

.school_base h1 {
    font-family: MicrosoftYaHei;
    font-size: 3rem;
    letter-spacing: 0.1rem;
    color: #333333;
    text-align: center;
    padding: 6rem 0rem 5rem 0rem;
    font-weight: normal;
    font-stretch: normal;
}

.school_base img {
    display: block;
    margin: 0 auto;
    width: 86rem;

}

.specialty {
    width: 100%;
    height: 62rem;
    background: url("../imgs/product/resourbackground.png") no-repeat;
    background-size: cover;
}

.specialty h1 {
    text-align: center;
    font-family: MicrosoftYaHei;
    font-size: 3rem;
    letter-spacing: 0.1rem;
    color: #3c3768;
    padding: 7.2rem 0rem 8.2rem 0rem;
    font-weight: normal;
    font-stretch: normal;
}

.specialty ul {

    display: block;
    margin: 0 auto;
    width: 104.6rem;
}

.specialty ul li {
    float: left;
    width: 26rem;
}

.specialty ul li img {
    width: 22rem;
    display: block;
    margin: 0 auto;

}

#go_top>img {
    width: 3.1rem;
    height: 3.1rem;
    cursor: pointer;
}

#go_top {
    position: fixed;
    right: 2.6rem;
    bottom: 1.6rem;
    z-index: 9999;
}


@media screen and (max-width:1366px) {

    .colleges ul li {
        padding: 0rem 3.5rem 0rem 4.1rem;
    }
}