* {
    margin: 0;
    padding: 0;
}

.banxin {
    width: 1200px;
    margin: auto;
}

a {
    text-decoration: none;
}

body {
    font-family: "microsoft yahei";
    box-sizing: border-box;
}


/* video标签铺满 */

.con-r-body video {
    object-fit: fill;
}


/* nav部分 */

.nav {
    width: 100%;
    height: 122px;
    background-color: #ffffff;
    position: fixed;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0px 3px 2px rgb(0 0 0 / 40%);
}

.nav_menustyle_1_1 {
    width: 1200px;
    display: flex;
    justify-content: space-between;
}

.nav_menustyle_1_1 li {
    diplay: inline-block;
    width: 120px;
}

.nav_menustyle_1_1 a {
    line-height: 50px!important;
    height: 50px!important;
}

.nav_logo {
    height: 66px;
}

.nav_logo_img {
    display: block;
    height: 66px;
    width: 400px;
    margin-left: 20px;
}

.nav_nav {
    height: 50px;
    /* background-color: #FF0000; */
}


/* index1 */

.index1 {
    width: 100%;
    height: 460px;
    background-color: #f3f9f5;
}

.index1-con {
    height: 100%;
    margin: auto;
}


/* index2 */

.index2 {
    height: 300px;
    width: 100%;
    margin-top: 20px;
}

.index2-con {
    height: 100%;
}

.index2-con-l {
    float: left;
    height: 100%;
    width: 65%;
}

.index2-con-r {
    float: right;
    height: 100%;
    width: 30%;
}

.con-r-head {
    position: relative;
    width: 100%;
    height: 40px;
    line-height: 40px;
    text-indent: 25px;
    font-size: 16px;
    color: #188d44;
    border-bottom: 1px solid #e5e5e5;
}

.xx {
    position: absolute;
    right: -12px;
    top: 17px;
    width: 26px;
    height: 26px;
}

.con-r-head img {
    position: absolute;
    left: 0;
    top: 11px;
    z-index: 14;
}

.con-r-body {
    width: 100%;
    height: 259px;
}


/* index3 */

.index3 {
    width: 100%;
    height: 300px;
    background-color: #f3f9f5;
    margin: 20px 0;
}

.index3-con {
    height: 100%;
}

.index3-con-l {
    float: left;
    height: 100%;
    width: 386.66px;
    margin-right: 20px;
}

.index3-con-m {
    float: left;
    height: 100%;
    width: 386.66px;
    margin-right: 20px;
}

.index3-con-r {
    float: left;
    height: 100%;
    width: 386.66px;
}


/* index4 */

.index4 {
    width: 100%;
    height: 240px;
}

.index4-con {
    height: 100%;
}

.index4-body {
    width: 100%;
    height: 199px;
}


/* footer */

.footer {
    background: url(../img/topbg.png) repeat-x;
    width: 100%;
    height: 60px;
}

.footer-con {
    height: 100%;
    line-height: 60px;
    text-align: center;
    color: #FFFFFF;
    font-size: 14px;
    font-family: "microsoft yahei";
}