.container {
        background: -webkit-linear-gradient(#b57b33,#dfc7a3,#f2ead6); /* Safari 5.1 - 6.0 */
        background: -o-linear-gradient(#b57b33,#dfc7a3,#f2ead6); /* Opera 11.1 - 12.0 */
        background: -moz-linear-gradient(#b57b33,#dfc7a3,#f2ead6); /* Firefox 3.6 - 15 */
        background: linear-gradient(#b57b33,#dfc7a3,#f2ead6); /* 标准的语法 */
    }
    /*顶部大图*/

    .top .tl {
        position: absolute;
        left: 0;
        top: 0;
        z-index: 1;
    }

    .top-bg {
        width: 100%;
    }

    .top-bg img {
        width: 60%;
        position: absolute;
        left: 50%;
        margin-left: -30%;
        top: 0;
        z-index: -1;
    }

    /*中心概况开始*/
    .gaikuang {
        width: 100%;
        margin: 20% auto 0;
        position: relative;
        font-family: ytfont;
    }

    .gaikuang .gkTop {
        width: 100%;
        text-align: center;
    }

    .gaikuang .gkTit {
        font-size: 1.8em;
        letter-spacing: 5px;
    }

    .gaikuang .yun {
        display: inline-block;
        width: 2.5%;
        vertical-align: middle;
        padding-right: 5px;
    }

    .gaikuang .yun img {
        width: 100%;
    }

    .gkTop p {
        margin-top: 1%;
        font-size:1.1em;
    }

    .gaikuang .gkUnit {
        width: 70%;
        margin: 0 auto;
        font-size: 1.2em;
    }

    .gkUnit .u {
        width: 30%;
    }

    .gkUnit .u:nth-child(2),
    .gkUnit .u:nth-child(3) {
        margin-left: 5%;
    }

    .gkUnit .u-img {
        width: 100%;
    }

    .gkUnit .u-img img {
        display: block;
        width: 40%;
        margin: 5% auto;
    }

    .gkUnit .u-word {
        width: 100%;
        text-align: center;
    }

    .gkUnit .u-word p:nth-child(2) a,
    .gkUnit .u-word p:nth-child(3) a {
        color: #625b31;
    }

    /*中心概况结束*/

    /*研究成果开始*/
    .yanjiu {
        width: 100%;
        margin: 5% auto 0;
        position: relative;
        font-family: ytfont;
    }

    .yanjiu .yjTop {
        width: 100%;
        text-align: center;
    }

    .yanjiu .yjTit {
        font-size: 1.8em;
        letter-spacing: 5px;
    }

    .yanjiu .yun {
        display: inline-block;
        width: 2.5%;
        vertical-align: middle;
        padding-right: 5px;
    }

    .yanjiu .yun img {
        width: 100%;
    }

    .yanjiu .yjUnit {
        width: 70%;
        margin: 0 auto;
        font-size: 1.2em;
    }

    .yjUnit .u {
        width: 30%;
        padding: 0 10%;
        margin: 0 auto;
    }

    .yjUnit .u-img {
        width: 100%;
    }

    .yjUnit .u-img img {
        display: block;
        width: 100%;
    }

    .yjUnit .u-word {
        width: 100%;
        text-align: center;
    }
    /*研究成果结束*/

    /*数据征集开始*/
    .zhengji {
        width: 100%;
        margin: 5% auto 0;
        position: relative;
        font-family: ytfont;
    }

    .zhengji .zjTop {
        width: 100%;
        text-align: center;
    }

    .zhengji .zjTit {
        font-size: 1.8em;
        letter-spacing: 5px;
    }

    .zhengji .yun {
        display: inline-block;
        width: 2.5%;
        vertical-align: middle;
        padding-right: 5px;
    }

    .zhengji .yun img {
        width: 100%;
    }

    .zhengji .zjUnit {
        width: 80%;
        margin: 2% auto 0;
        font-size: 1.2em;
    }

    .zjUnit .u {
        width: 80%;
        margin: 0 auto;
    }

    .zjUnit .u img {
        width: 100%;
    }
    /*数据征集结束*/