body{
    font-family: 'Microsoft YaHei', sans-serif;
}
.mai-icon{
    background: rgb(64, 210, 177);
    color: #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin-right: 20px;
}
/*µ¼º½*/
.navbar-default{
    background-color: #fff;
    border: none;
    box-shadow: 0px 2px 8px 0px rgba(50,50,50,0.25);
}
.navbar-default .navbar-brand {
    font-size: 30px;
    font-weight: bold;
    color: #40D2B1;
    height: 70px;
    line-height: 35px;
}
.navbar-default .navbar-nav>li>a {
    font-size: 16px;
    font-weight: bold;
    color: #666;
    height: 70px;
    line-height: 35px;
}
.navbar-toggle{
    margin-top: 17px;
}
.navbar-default .navbar-toggle:hover {
    border-color: #40D2B1;
    background-color: rgb(69, 210, 184);
}
.navbar-default .navbar-toggle .icon-bar {
    background-color: #1C9982;
}
/*home*/
#home{
    margin-top: 70px;
    background: url("../images/home-bg.jpg");
    background-size: cover;
    color: #ffffff;
    text-align: center;
    width: 100%;
}
.lvjing{
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    padding: 90px 0;
}
#home h1{
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
}
#home p{
    font-weight: 400;
    line-height: 35px;
}
#home img{
    margin-top: 30px;
    display: inline-block;
}
/*bbs*/
#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;
}
#bbs h3{
    font-weight: bold;
}

/*HTML5 + bootstrap*/
#html5{
    background: #f8f8f8;
}
#html5 , #bootstrap{
    padding: 80px 0;
}
#html5 h2 , #bootstrap h2{
    font-weight: bold;
}
#html5 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;
}
#course .btn{
    background: transparent;
    border: 1px solid #40D2B1;
    border-radius: 0px;
    color: #40D2B1;
    margin-top: 20px;
    margin-bottom: 30px;
    padding: 8px 40px;
    transition: all 0.3s;
}
#course .btn:hover{
    background: #40D2B1;
    color: #fff;
}

/*app*/
#app{
    padding: 80px 0;
}
#app h2{
    font-weight: bold;
    padding-bottom: 30px;
}
#app .btn{
    margin: 10px 0;
    background: rgb(64, 210, 177);
    border-color: rgb(64, 210, 177);
    border-radius: 0;
    padding: 6px 30px;
    transition: all 0.3s;
}
#app .btn:hover{
    background: rgb(44, 142, 120);
}

/*contact*/
#contact{
    background: url("../images/contact-bg.png") no-repeat;
    background-size: cover;
    color: #ffffff;
}
#contact h2{
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
}
#contact p{
    line-height: 25px;
    margin-bottom: 20px;
}
#contact .form-control {
    border: none;
    border-radius: 0;
    height: 50px;
    margin-bottom: 20px;
}
#contact textarea.form-control{
    height: auto;
}
#contact input[type="submit"]{
    background: #40D2B1;
    color: #fff;
    font-weight: bold;
    transition: all 0.3s;
}
#contact input[type="submit"]:hover{
    background: rgb(44, 142, 120);
}

/*footer*/
footer{
    font-weight: 400;
    text-align: center;
    padding:20px ;
}