body {
    font-family: 'Microsoft YaHei', sans-serif;
}

.mai-icon {
    background: #38f;
    color: #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin-right: 20px;
}

.navbar {
    margin-bottom: 0;
    border-bottom: 1px solid #e6e6e6;
}

.navbar-default {
    background-color: #fff;
}

.navbar-default .navbar-brand {
    font-size: 30px;
    font-weight: bold;
    height: 70px;
    line-height: 35px;
    padding: 0;
}

.navbar-default .navbar-nav>li>a {
    font-size: 16px;
    color: #444;
    height: 70px;
    line-height: 35px;
}

.navbar-default .navbar-nav>li>a:hover {
    color: rgb(247, 46, 123);
}

.navbar-toggle {
    margin-top: 17px;
}

.banner {
    text-align: center;
    color: #fff;
    background: url(../images/luo.png);
    background-size: 100% 100%;
}

.lvjing {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    padding: 80px 0;
}

#bbs {
    padding: 80px 0;
    text-align: center;
}

#bbs .col-md-4 {
    padding: 15px;
}

#bbs .col-md-4:hover {
    background: #f1f1f1;
    box-shadow: 1px 1px 4px #ccc;

}

#bbs a {
    color: #212121;
    text-decoration: none;
}

#bbs img {
    margin: 0 auto;
}

/*history + bootstrap*/
#history {
    background: #f8f8f8;
}

#history,
#bootstrap {
    padding: 80px 0;
}

#history h2,
#bootstrap h2 {
    font-weight: bold;
}

#history p,
#bootstrap p {
    line-height: 25px;
}

/*course*/
#course {
    background: #f8f8f8;
    padding: 80px 0;
    text-align: center;
}

#course h2 {
    font-weight: bold;
    padding-bottom: 60px;
}

#course .col-md-3 {
    margin-bottom: 20px;
}

.course {
    background: #ffffff;
    border: 1px solid #eee;
}


.course .case-img {
    width: 100%;
    height: 300px;
}

/*contact*/
#contact {
    background: url("https://img.zcool.cn/community/01f9075e58f4fda80120a8950afc77.jpg@3000w_1l_2o_100sh.jpg") no-repeat;
    background-size: cover;
    color: #ffffff;
}

#contact h2 {
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
}

#contact p {
    line-height: 24px;
    margin-bottom: 2px;
}