body {
            background: url(../images/zhongnanminzudaxuejiaoyuxueyuanyuanhui.png) no-repeat 687px 822px;
            background-size: 801px 801px;
            background-position: center;
        }
        header {
            width: 100%;
             min-width: 1400px;
            height: 274px;
            opacity: 1;
            margin-top: 0;
        }
        header .he-top {
            width: 100%;
             min-width: 1400px;
            height: 30px;
            background-color: #208864;
            position: relative;
        }
header .he-top .logo-left {
    position: absolute;
    display: flex;
    justify-content: space-between;
    right: 0
}

header .he-top .logo-left li:nth-child(1) {
    width: 48px;
    height: 27px;
}
header .he-top .logo-left li:nth-child(1) a{
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #898383;
}

header .he-top .logo-left li:nth-child(2) {
    width: 14px;
    height: 27px;
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #898383;
    margin-left: 10px;
}

header .he-top .logo-left li:nth-child(3) {
    width: 112px;
    height: 27px;
    margin-left: 10px;
}
header .he-top .logo-left li:nth-child(3) a{
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #898383;
}
        header .he-mid {
            width: 100%;
             min-width: 1350px;
            height: 244px;
            background-color: #cfe9e0;
        }
        /* 右侧背景图制作 */
        /* logo开发 */
        header .he-mid .he-mid-logo {
            width: 100%;
            height: 118px;
            /* background-color: pink; */
            display: flex;
            justify-content: space-between;
        }
        header .he-mid .he-mid-logo .logo-lefts {
            height: 21px;
            /* background-color: #fff; */
            margin-left: 25px;
            display: flex;
            justify-content: flex-start;
        }
        /* logo标志中部开发 */
        .logo-middle {
            width: 1350px;
            height: 89px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
        }
        header .he-mid .he-mid-logo .logo-lefts li {
            margin-top: 2px;
        }
        header .he-mid .he-mid-logo .logo-lefts li:nth-child(1) {
            width: 48px;
            height: 27px;
        }
header .he-mid .he-mid-logo .logo-lefts li:nth-child(1) a{
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 50px;
    color: #898383;
}
        header .he-mid .he-mid-logo .logo-lefts li:nth-child(2) {
            width: 14px;
            height: 27px;
            font-size: 22px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            line-height: 50px;
            color: #898383;
            margin-left: 10px;
        }
        header .he-mid .he-mid-logo .logo-lefts li:nth-child(3) {
            width: 112px;
            height: 27px;
            margin-left: 10px;
        }
header .he-mid .he-mid-logo .logo-lefts li:nth-child(3) a{
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 50px;
    color: #898383;
}
.co-he-last{
    width: 100%;
    min-width: 1400px;
    margin-top: 83px;
    height: 44px;
    background: #18845E;
    border: 1px solid #707070;
}
        .he-last {
            width: 1400px;
            height: 25px;
            margin-top: 16px;
            /* background-color: #fff; */
            margin-left: auto;
            margin-right: auto;
            display: flex;
            justify-content: space-between;
        }
        .he-last li a {
            font-size: 20px;
font-family: Microsoft YaHei;
            font-weight: 400;
            line-height: 0px;
            color: #fff;
        }
        .he-last li {
            position: relative;
        }
        /* 特殊框制作 */
        #one li:nth-child(3) ul li {
            width: 130px;
        }
        #one li:nth-child(3) ul li a {
            width: 120px;
        }
        #one li:nth-child(5) ul li a {
            width: 80px;
        }
        #one li:nth-child(6) ul li a {
            width: 120px;
        }
        /* 导航栏隐藏框制作 */
        #two {
            position: absolute;
            top: 26px;
            left: -21px;
            transition: all 1s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            z-index: 9999999;
        }
        #two li {
            width: 115px;
            height: 60px;
            background: #18845E;
            opacity: 0.8;
            text-align: center;
        }
        #two li a {
            display: inline-block;
            width: 68px;
            height: 20px;
            font-size: 16px;
font-family: Microsoft YaHei;
            font-weight: 400;
            line-height: 50px;
            color: #FFFFFF;
        }
        .he-last li:hover #two {
            opacity: 1;
            max-height: 500px;
            transition: all 0.5s ease-in;
        }
        /* 小行文字及图标开发 */
        .brief {
            width: 1350px;
            height: 30px;
            margin-top: 47px;
            padding-top: 3px;
            margin-left: auto;
            margin-right: auto;
            /* background-color: skyblue; */
            position: relative;
        }
        .brief-right {
            position: absolute;
            height: 19px;
            /* background-color: pink; */
            display: flex;
            justify-content: start;
            right: 0;
        }
.brief-right li{
  margin-left: 5px;
}
        .brief-right li:first-child {
            width: 18px;
            height: 18px;
            background: url(../images/dingwei.png) no-repeat;
            background-size: 18px 18px;
            margin-top: 4px;
        }
        .brief-right li:nth-child(2) a {
            font-size: 14px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #000000;
        }
        .brief-right li:nth-child(3) {
            width: 6px;
            height: 8px;
            background: url(../images/lianhe1.png) no-repeat;
            background-size: 6px 8px;
            margin-top: 7px;
        }
        .brief-right li:nth-child(4) a {
            font-size: 14px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #000000;
        }
        .brief-right li:nth-child(5) {
            width: 6px;
            height: 8px;
            background: url(../images/lianhe1.png) no-repeat;
            background-size: 6px 8px;
            margin-top: 7px;
        }
        .brief-right li:nth-child(6) a {
            font-size: 14px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #000000;
        }
.brief-right li:nth-child(7) {
    width: 6px;
    height: 8px;
    background: url(../images/lianhe1.png) no-repeat;
    background-size: 6px 8px;
    margin-top: 10px;
}

.brief-right li:nth-child(8) a {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
}
        /* 直线 */
        .line {
            width: 1350px;
            height: 4px;
            margin-left: auto;
            margin-right: auto;
            display: flex;
            justify-content: start;
        }
        .line li:first-child {
            width: 291px;
            height: 100%;
            background: #CFE9E0;
            opacity: 1;
            border-radius: 0px;
        }
        .line li:last-child {
            width: 1059px;
            height: 100%;
            background: #18845E;
            opacity: 1;
            border-radius: 0px;
        }
        /* tab栏 */
        .tab {
            width: 1350px;
            min-height: 720px;
            margin-left: auto;
            margin-right: auto;
            margin-top: 15px;
            display: flex;
            justify-content: space-between;
            /* background-color: pink; */
        }
        .tab .tab-sel {
            width: 252px;
            min-height: 720px;
            display: flex;
            flex-direction: column;
            justify-content: start;
            position: relative;
        }
.tab .tab-sel .sel-one{
    position: absolute;
    width: 20px;
    height: 80px;
    top: 0;
    left: -32px;
}
.tab .tab-sel .sel-one img{
    width: 355px;
    height: 80px;
}
/* 最新更改的部分 */

.tab .tab-sel nav {
    width: 290px;
    height: 80px;
    padding-left: 117px;
    cursor: pointer;
    background: #D9D9D9;
    background-image: url(../images/jiaocha2.png);
    background-repeat: no-repeat;
    background-size: 105px 80px;
    opacity: 0.8;
    border-radius: 0px;
    margin-left: -37px;
}

.tab .tab-sel nav p {
    margin-top: 10px;
    width: 221px;
    height: 60px;
    border-left: 7px;
    display: inline-block;
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 60px;
    color: #000000;
}
.tab .tab-sel div {
         width: 252px;
         height: 80px;
         padding-left: 30px;
         cursor: pointer;
         background: rgba(204, 204, 204, 0.28);
    background-image: url(../images/tuoyuangai.png);
    background-repeat: no-repeat;
    background-size: 16px 16px;
    background-position-x: 50px;
    background-position-y: 34px;
         margin-top: 10px;
         opacity: 0.8;
         border-radius: 0px;
}
.tab .tab-sel div:hover{
      background-color: #CEEEB9;
      background-image: url(../images/tuoyuanbai.png);
}
.tab .tab-sel div a {
    margin-top: 10px;
    width: 221px;
    height: 60px;
    padding-left: 51px;
    border-left: 7px;
    display: inline-block;
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 60px;
    color: #000000;
}
        .tab .tab-change {
            width: 1039px;
            min-height: 640px;
        }
        /* 文章内容页 */
        .tab .tab-change #tit {
            width: 100%;
            min-height: 100%;
        }
        .tab .tab-change #tit #tit-one {
            width: 100%;
            text-align: center;
            font-family: Microsoft YaHei;
            font-size: 24px;
    color: #333;
    font-weight: bold;
}
.tab .tab-change #tit #tit-two {
            margin-top: 5px;
            margin-left: auto;
            margin-right: auto;
            height: 20px;
            display: flex;
        }
        .tab .tab-change #tit #tit-two span {
            font-family: Microsoft YaHei;
            font-size: 15px;
        }
 .tab .tab-change #tit #tit-two span:nth-child(1) {
            margin-left: 350px;
        }
 .tab .tab-change #tit #tit-two span:nth-child(2) {
            margin-left: 32px;
        }
        .tab .tab-change #tit #tit-two span:nth-child(3) {
            margin-left: 32px;
        }
        .tab .tab-change #tit .tit-th {
            margin-top: 15px;
            width: 100%;
            font-family: Microsoft YaHei;
            font-size: 20px;
        }
        /* 结尾处开发 */
        footer {
            width: 100%;
             min-width: 1400px;
            height: 168px;
            padding-top: 23px;
            margin-top: 79px;
            background-color: #CFE9E0;
        }
        .fo-mid {
            width: 1400px;
            height: 168px;
            margin-left: auto;
            margin-right: auto;
            /* background-color: pink; */
            display: flex;
            justify-content: space-between;
        }
        .fo-mid .fo-mid-left {
            width: 646px;
            height: 77px;
            display: flex;
            padding-top: 19px;
            /* background-color: skyblue; */
            justify-content: start;
            flex-wrap: wrap;
        }
/* 新改部分 */
.fo-mid .fo-mid-left li:first-child{
    display: none;
}
.fo-mid .fo-mid-left li:nth-child(6) p{
    display: none;
}
.fo-mid .fo-mid-left li:nth-child(11) p{
    display: none;
}
        .fo-mid .fo-mid-left li {
            width: 102px;
            margin-left: 9px;
        }
        .fo-mid .fo-mid-left li div {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
        .fo-mid .fo-mid-left li div span a {
            font-size: 20px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            line-height: 41px;
            color: #18845E;
        }
        .fo-mid .fo-mid-left li div p {
            font-size: 20px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            line-height: 41px;
            color: #18845E;
        }
        .fo-mid .fo-mid-right {
            width: 509px;
            /* background-color: skyblue; */
            height: 125px;
            display: flex;
            justify-content: space-between;
        }
        .fo-mid .fo-mid-right li:first-child {
            width: 122px;
            height: 122px;
            background: url(../images/erweima.png) no-repeat;
            background-size: 122px 122px;
        }
        .fo-mid .fo-mid-right li:nth-child(2) {
            width: 334px;
            height: 125px;
            margin-top: -11px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
       .fo-mid .fo-mid-right li:nth-child(2) span {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #898383;
margin-top: 7px;
}
.fo-mid .fo-mid-right li:nth-child(2) span:nth-child(1){
margin-top: 7px;
}
        /* 最后一部分开发 */
        .bottom {
            width: 100%;
             min-width: 1400px;
            height: 30px;
            background-color: #18845E;
        }
        .bottom-font {
            width: 1086px;
            height: 23px;
            margin-left: auto;
            margin-right: auto;
            font-size: 18px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #DFDBDB;
        }
@media screen and (max-width: 1800px) {
        .he-mid .he-mid-logo .he-bg {
        width: 254px;
        height: 244px;
        background: url(../images/shuben.png) no-repeat;
        background-size: 254px 244px;
        background-position: right;
        display: none;
    }
    header .he-mid .he-mid-logo .logo-mid {
        width: 587px;
        height: 134px;
        margin-left: -203px;
        margin-top: 30px;
    }
    header .he-mid .he-mid-logo .logo-mid img {
        width: 100%;
        height: 100%;
    }
    header .he-mid .he-mid-logo .logo-right {
        width: 532px;
        height: 55px;
        /* background-color: #fff; */
        margin-right: 52px;
        margin-top: 76px;
    }
    header .he-mid .he-mid-logo .logo-right img {
        width: 100%;
        height: 100%;
    }
}

    /* 右侧背景图制作 */
@media screen and (min-width: 1799px) {
    .he-mid .he-mid-logo .he-bg {
        width: 145px;
        height: 144px;
        background: url(../images/shubengai.png) no-repeat;
        background-size: 145px 144px;
        background-position: right;
        display: block;
        position: relative;
        top: 30px;
        right: 50px;
    }
    header .he-mid .he-mid-logo .logo-mid {
        width: 587px;
        height: 134px;
        margin-left: -100px;
        margin-top: 30px;
    }
    header .he-mid .he-mid-logo .logo-mid img {
        width: 100%;
        height: 100%;
    }
    header .he-mid .he-mid-logo .logo-right {
        width: 532px;
        height: 47px;
        /* background-color: #fff; */
        margin-right: 4px;
        margin-top: 78px;
    }
    header .he-mid .he-mid-logo .logo-right img {
        width: 100%;
        height: 100%;
    }
}
#ok{
margin-left: 30px;
}