body {
    margin: 0;
    min-width: 760px;
}

ul, li {
    list-style: none;
}

a {
    text-decoration: none;
}

.header {
    overflow: hidden;
    height: 80px;
}

.header h1 {
    float: left;
    margin: 0;
    width: 180px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background: url(../images/logo.png) no-repeat 2% 100%;
    background-size: 180px 100%;
}

.jumbotron {
    position: relative;
    width: 100%;
    height: 500px;
    background: url(../images/banner.png) no-repeat;
    background-size: cover;
    overflow: hidden;
}

.jumbotron h1 {
    color: #fff;
    font-size: 45px;
    font-weight: 900;
    text-align: center;
}

.jumbotron ul {
    position: absolute;
    bottom: 0;
    left: 30%;
    width: 30%;
    min-width: 300px;
    height: 300px;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    color: #000;
    background: #fff;
    border-radius: 12px;
    opacity: 0.9;
    list-style: none;
}

.jumbotron ul li {
    position: relative;
    box-sizing: border-box;
    padding: 30px;
    height: 33%;
    font-size: 20px;
}

.jumbotron ul li::before {
    content: "\02022";
    position: absolute;
    top: 50%;
    right: 95%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    margin-top: 12px;
    margin-right: 12px;
    margin-left: -12px;
    background-color: #54c3ec;
    color: transparent;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.jumbotron .jumpbotron-link {
    position: absolute;
    bottom: 5%;
    right: 15%;
    width: 200px;
    height: 200px;
}

.jumbotron .jumpbotron-link a {
    position: relative;
    display: block;
    margin: 10px 0;
    padding-left: 10px;
    width: 100%;
    height: 60px;
    border-radius: 12px;
    text-align: left;
    font-size: 25px;
    font-weight: 900;
    line-height: 60px;
    color: #fff;
    text-decoration: none;
}

.jumbotron .jumpbotron-link i {
    position: absolute;
    top: 50%;
    right: 5%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    width: 25px;
    height: 25px;
    background: url(../images/icon_arrow.png);
    background-size: cover;
}

.jumbotron .jumpbotron-link .member {
    background: #37b9e6;
    opacity: 0.9;
}

.jumbotron .jumpbotron-link .professor {
    background: #6d25a9;
    opacity: 0.7;
}

.summary {
    position: relative;
    width: 100%;
}

.summary img {
    width: 300px;
}

.summary p {
    display: inline-block;
    position: relative;
    margin-left: 30px;
    width: 200px;
}

.summary p::before {
    content: "\02022";
    position: absolute;
    top: 50%;
    right: 105%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    background-color: #54c3ec;
    color: transparent;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.summary .row {
    position: relative;
    min-width: 1000px;
    margin-bottom: 50px;
    text-align: center;
}

.summary .word {
    margin: 60px;
    position: relative;
    top: -70px;
}

.summary .first-img {
    position: relative;
    bottom: -50px;
    margin-right: 30px;
}

.summary .second-img {
    margin-bottom: -100px;
}

.summary .five-img {
    position: relative;
    bottom: 50px;
}

.summary .content-header {
    text-align: center;
}

.summary .content {
    display: block;
    margin: 50px auto;
    width: 60%;
    text-align: center;
}

.summary .content::before {
    content: "";
    background-color: transparent;
    color: transparent;
}

.footer {
    padding-top: 25px;
    height: 100px;
    text-align: center;
    background: #eee;
    font-size: 14px;
    color: #555;
}

.nav-bar {
    width: 100%;
}

.nav-bar ul {
    height: 80px;
    overflow: hidden;
    float: right;
    margin: 0 50px 0 0;
    padding: 0;
    /*line-height: 80px;*/
}

.nav-bar ul li {
    float: left;
    padding: 0 20px;
    height: 80px;
    line-height: 80px;
}

.nav-bar ul li a {
    display: inline-block;
    color: #000000;
    height: 50px;
    line-height: 50px;
}

.nav-bar ul li a:hover {
    color: #3fa0cb;
    border-bottom: 4px solid #3fa0cb;
}
.container .container{
    padding: 0 50px;
}