@media screen and (min-width: 1200px) {
    body {
        margin: 0px;
        background-color: #F7F7F7;
    }
}

@media screen and (max-width: 1199px) {
    body {
        margin: 0px;
        background-color: #F7F7F7;
        width: 1366px;
    }
}

content img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

.thdservice {
    height: 224px;
    width: 215px;
    float: left;
    margin: 85px;
}

.description {
    text-align: left;
    margin-top: 20px;
    font-size: 16px;
    line-height: 36px;
    padding-left: 5px;
    word-wrap: break-word;
    /* max-width: 300px; */
}

.course {
    float: left;
    background: url(../images/about/fazhanglicheng_beijing.png) no-repeat;
    height: 550px;
    color: white;
    text-align: center;
}

.organization {
    float: left;
    background: url(../images/about/zuzhijigou2.png) no-repeat;
    color: white;
    width: 100%;
    margin-top: 100px;
    text-align: center;
}

.product {
    height: 284px;
    width: 265px;
    float: left;
    margin: 30px;
    border: solid 1px lightgray;
    box-shadow: 1px 1px 2px lightgrey;
    padding: 20px;
    text-align: center;
    padding-top: 50px;
}

.btn {
    position: absolute;
    top: 45%;
    width: 60px;
    height: 100px;
    line-height: 100px;
    font-size: 30px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
}

.prev {
    background: url(../images/index/anniu_zuoxiang.png) no-repeat;
    margin-left: -620px;
}

.next {
    background: url(../images/index/anniu_youxiang.png) no-repeat;
    margin-left: 420px;
    z-index: 998;
}

.cooperation-container .am-tabs .am-tabs-bd .am-thumbnails li a {
    height: 100%;
    width: 100%;
}

.cooperation-container .am-tabs .am-tabs-bd .am-thumbnails li {
    width: 200px;
    height: 250px;
}

.cooperation-container {
    margin-top: 20px;
}

.am-thumbnails {
    padding-left: 80px;
}