.project-7 {
    width: 1200px;
    margin: 0 auto;
}

.tt {
    text-align: center;
    margin: 0 0 40px;
    color: #1CB1F4;
    font-family: 'SourceHanSerif-Heavyy';
    font-weight: 900;
    font-size: 40px;
}

.tt span {
    font-family: Microsoft YaHei;
    display: block;
    font-size: 19px;
    color: #666;
    background: url(../liujia_images/h2-tt.png) top center no-repeat;
    padding: 30px 0 0;
    margin-top: 5px;
    font-weight: 300;
}

.project-2 {
    width: 1200px;
    margin: 0 auto;
    background: url(../liujia_images/project-2-bg.png) no-repeat center 180px;
}

.project-2 .fl {
    float: left;
}

.project-2 .fr {
    margin-left: 765px;
}

.project-3 {
    width: 100%;
    margin: 0 auto;
    background: url(../liujia_images/project-3-bg.png) #F7F7F7 no-repeat center 225px;
}

.project-3 .main .fl,
.project-3 .main .fr {
    width: auto;
}

.project-3 .main .fl li p {
    font-size: 16px;
    color: #333;
    font-weight: 900;
}

.project-3 .main .fr li p {
    font-size: 16px;
    color: #666;
    font-weight: 900;
}

.project-3 .main .tit {
    display: inline-block;
}

.fl {
    float: left;
}

.project-4 {
    width: 100%;
    background: url(../liujia_images/project-4-bg.png) no-repeat center bottom;
    padding: 15px 0;
    margin: 0 0 15px 0;
}

.project-5 {
    background: url(../liujia_images/project-5-bg.png) no-repeat center bottom;
}

.xmys {
    height: auto;
    padding: 20px 0;
    background: url(../liujia_images/xmys.jpg) no-repeat center bottom;
}

.xmys .tt {
    color: #fff;
}

.xmys .main {
    margin: 50px auto;
}

.xmys .main ul {
    overflow: hidden;
}

.xmys .main li {
    float: left;
    width: 25%;
    height: auto;
    background: none;
    margin-right: 0;
    text-align: center;
}

.xmys .main li .img {
    width: 100%;
    height: auto;
    margin: 10px 0;
}

.xmys .main li img {
    width: 35%;
    height: auto;
    border-radius: 5px;
}

.xmys .main li h3 {
    font-size: 19px;
    font-weight: 400;
}