.main {
    width: 90%;
    margin: 0 auto;
    background-color: #fff;
}

.about_nav a {
    width: 94px;
    height: 94px;
    border-radius: 100px;
    display: inline-block;
    margin-top: 60px;
    font-size: 14px;
    -moz-border-radius: 100px;
    -webkit-border-radius: 100px;
    position: relative;
}

.about_nav_box {
    width: 100%;
    height: 160px;
}

.about_nav {
    width: 980px;
    margin: 0 auto;
    text-align: center;
}

.about_nav a.a01,
.about_nav a.a02 {
    margin-right: 74px;
}

.about_nav a span {
    width: 94px;
    height: 94px;
    display: block;
}

.about_nav a b {
    font-weight: normal;
    margin-top: -40px;
    display: block;
    font-size: 14px;
    color: #8c979f;
}

.about_nav a.on b,
.about_nav a:hover b {
    color: #000;
}

.about_nav a.a01:hover span,
.about_nav a.a01.on span {
    background: url(../images/a01hover.png) no-repeat;
}

.about_nav a.a02 span {
    background: url(../images/a02.png) no-repeat;
}

.about_nav a.a02:hover span {
    background: url(../images/a02hover.png) no-repeat;

}

.about_nav a.a05 span {
    background: url(../images/a05.png) no-repeat;
}

.about_nav a.a05:hover span {
    background: url(../images/a05hover.png) no-repeat;
}

.contentgy {
    font-size: 16px;
    text-align: left;
}

.brief {
    width: 90%;
    margin: 0 auto;
    padding-left: 0;
    height: auto;
    padding-top: 40px;
}

.intro-first p {
    text-indent: 2em;
    line-height: 31px;
}

.intro-list {
    margin: 30px 0;
}

.intro-list li {
    position: relative;
    padding-left: 70px;
    line-height: 32px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.intro-list span {
    font-weight: bold;
    font-family: 'SimHei';
    width: 70px;
    color: #9bd302;
    position: absolute;
    left: 0;
    top: 0;
}

.clear {
    clear: both;
}

select,
input,
img,
select {
    vertical-align: middle;
}

.about_img1 {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    margin-top: 30px;
    margin-bottom: 80px;
}

.about_img1 h2 {
    font-size: 16px;
    color: #666;
    line-height: 24px;
    text-align: left;
    font-weight: normal;
}

.deco-tit {
    font-size: 20px;
    color: #333;
    border-left: 5px solid #aad70c;
    line-height: 22px;
    display: block;
    margin-top: 40px;
    padding-left: 15px;
}

.about_img1 ul.ul1,
.about_img1 ul.ul2 {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 25px;
}

.contentgy ul li img {
    width: 90%;
    height: 216px;
}

.about_img1 ul.ul1 li,
.about_img1 ul.ul2 li {
    float: left;
    margin-left: 12px;
}

.about_img1 ul.ul2 {
    width: 100%;
    margin-top: 0;
}

.about_img1 ul.ul2 li {
    margin-top: 12px;
}

.about_img1 p {
    color: #86bd00;
    font-size: 16px;
    text-align: left;
    margin-top: 50px;
}