#banner {
    width: 100%;
}

#banner img {
    width: 100%;
}

#land {
    width: 1080px;
    margin: 0 auto;

}

#nav_list {
    margin-top: 30px;
    color: #666666;
}

#nav_list a {
    text-decoration: none;
    color: #666666;
}

#main_right {
    float: right;
    width: 290px;
}

#main_right p {
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 20px;
    text-align: center;
}

#main_right img {
    width: 100%;
}


#land_main {
    margin-top: 30px;
}

#land_main ul {
    margin-top: 30px;
}


h3 {
    line-height: 40px;
    border-bottom: 2px solid #D61718;
}

h2 {
    color: #D61718;
    line-height: 40px;
    border-bottom: 1px solid #D61718;
    box-sizing: border-box;
    padding-left: 20px;
}

#mian_left ul li {
    height: 249px;
    margin-bottom: 20px;
}

.datalittle {
    float: right;
    width: 269px;
    height: 249px;
}

.databigbox {
    height: 249px;
    position: relative;
    width: 791px;

}

.databigbox img {
    position: absolute;
    height: 249px;
    width: 791px;
    top: 0px;
}

.datatxt {
    box-sizing: border-box;
    padding: 10px;
    position: relative;
    height: 249px;
    width: 791px;
    background-color: #a7b29dc0;
}

h4 {
    color: black;
}

.laiyuan {
    font-size: 14px;
    margin: 10px 0px;
    color: #444444;
}

.neirong {
    line-height: 30px;
}

.dataoushu {
    float: left;
}

.databigboxoushu {
    float: right;
}

.databigboxthree {
    width: 100%;
}

.databigboxthree img {
    width: 100%;
}

.databigboxthree .datatxt {
    width: 100%;
}