@charset "utf-8";
body{
    margin: 0;
}
.top{
    height: 120px;
    padding: 20px 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.top::before {
    height: 223px;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    content: '';
    background: rgba(0, 0, 0, 0.6);
    background: -webkit-linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: -o-linear-gradient(bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: -moz-linear-gradient(bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    z-index: 0;
}
.top .row{
    align-items: center;
}
.logo{
    /* padding-left: 50px; */
}
.logo img{
    max-width: 500px;
    height: auto;
}
.nav_home{
    color: #fff;
    width: 80px;
    background-color: #ffffff15;
    border: 1px solid #ffffff85;
    border-radius: 20px;
    line-height: 1.5em;
}
.nav_home a{
    color: #fff;
    display: block;
    padding: 5px 0;
}
.banner{
    position: relative;
    top: -120px;
    width: 100%;
    height: auto;
    overflow: hidden;
    /* z-index: -1; */
}
.banner::after{
    /* content: ""; */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../img/banner_footer.png) no-repeat center bottom / 100% auto;
    z-index: 1;
    transform: translateY(5px);
}
.banner_swiper{
    position: relative;
    width: 100%;
    height: 100%;
}
.imgbox{
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.imgbox img{
    position: absolute;
    width: auto;
    min-width: 100%;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.banner .imgbox {
    padding-bottom: 30%;
}
.banner .imgbox img {
    width: 100%;
    height: auto;
}
.section1{
    position: relative;
    margin-top: -120px;
    padding-top: 50px;
}
.section1_1,.section1_2{
    /* padding: 25px 0; */
    overflow: hidden;
}
.s1_right::before{
    content: "";
    height: 100%;
    width: 100%;
    position: absolute;
    left: calc(100% - 20px);
    background-color: #004a99;
}
.s1_left::before{
    content: "";
    height: 100%;
    width: 100%;
    position: absolute;
    right: calc(100% - 20px);
    background-color: #004a99;
}
.title_1{
    padding-bottom: 30px;
    position: relative;
}
.title_1::after{
    background: url(../images/columnbg.png) no-repeat center;
    background-size: contain;
    width: 90px;
    height: 90px;
    content: '';
    position: absolute;
    bottom: 25%;
    left: 50%;
    z-index: -1;
    transform: translateX(-50%);
}
.blue{
    color: #004a99;
}
.white{
    color: #fff;
}
.title_1 h2{
    margin:0.5rem auto;
}
.content_1 p{
    text-indent: 2em;
    line-height: 1.5em;
    color: #555;
    text-align: justify;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}
.section2{
    background-color: #e9eef3;
    padding: 50px 0;
    position: relative;
    z-index: 1;
}
.section2::after{
    content: '';
    width: 100%;
    height: 72%;
    background: url(../images/m3_bg4.png) no-repeat center;
    position: absolute;
    bottom: 0;
    /* left: 40px; */
    z-index: 0;
    background-size: contain;
    opacity: 0.5;
}
.content_2{
    padding-bottom: 30px!important;
}
.title_2 h6{
    margin:0.5rem auto;
    font-size: 1.4rem;
    padding-bottom: 10px;
}
.section2 .title_2 h6::after{
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background-color: #999;
    margin: 10px auto 0;

}
.content_2 p{
    color: #333;
    margin: 5px 0;
    font-size: 1rem;

}
.content_2 .info{
    padding: 20px;
    /* box-sizing: border-box; */
    border: 1px solid #004a9990;
    background-color: #fff;
    height: 280px;
    border-radius: 5px;
}
.section3 {
    margin: 40px 0;
    position: relative;

    ul {
        width: 100%;
        list-style: none;
        padding-left: 0;
        margin: 0;
        box-sizing: border-box;
        overflow: hidden;
        display: block;

        li {
            width: 100%;
        }
    }
}

.Hide{
    /* display: none!important; */
    height: 0!important;
    overflow: hidden!important;
    margin: 0!important;
    transform: scaleY(0)!important;
}
.Hide *{
    display: none!important;
}
@media(min-width: 768px) {
    .section3_bar {
        width: 100%;
        height: 50px;
        line-height: 50px;
        background-color: #F1F1F1;
        margin-bottom: 2px;
        transition: all ease-in-out 0.5s;

        /* display: flex; */
        h4 {
            float: left;
            width: calc(100% - 60px);
            height: 50px;
            line-height: 50px;
            font-size: 20px;
            color: #000;
            text-align: center;
            margin: 0;
        }

        h5 {
            float: right;
            width: 45px;
            height: 50px;
            cursor: pointer;
            margin: 0;

            img {
                width: 45px;
                height: 50px;
            }
        }
    }

    .section3_content {
        background-color: #FAFAFA;
        margin-bottom: 2px;
        transition: all ease-in-out 0.5s;
        max-height: 800px;
        overflow: hidden;
        transform: scaleY(1);
        opacity: 1;
        /* display: flex; */
    }

    .section3_content_title {
        width: 100%;
        height: 70px;
        overflow: hidden;

        h4 {
            float: left;
            width: 100%;
            width: calc(100% - 60px);
            height: 70px;
            line-height: 70px;
            font-size: 24px;
            color: black;
            color: #000;
            text-align: center;
            margin: 0;
            box-sizing: border-box;
            overflow: hidden;
            a {
                color: #000;
            }
        }

        h5 {
            float: right;
            width: 45px;
            height: 50px;
            cursor: pointer;
            margin: 0;
        }
    }

    .section3_content_pictxt {
        padding-top: 15px;
        padding-bottom: 30px;
        display: flex;
        align-items: center;
        overflow: hidden;

        p {
            float: left;
            width: 540px;

            img {
                float: right;
                width: 427px;
                height: 285px;
            }
        }

        h4 {
            float: left;
            padding: 0 65px;
            width: 530px;
            font-size: 16px;
            color: #000;
            line-height: 25px;
        }
    }
}
@media(max-width: 767px) {
    .section3_bar {
        width: 100%;
        height: 50px;
        line-height: 50px;
        background-color: #F1F1F1;
        margin-bottom: 2px;
        transition: all ease-in-out 0.5s;
        
        /* display: flex; */
        h4 {
            float: left;
            width: calc(100% - 60px);
            height: 50px;
            line-height: 50px;
            font-size: 14px;
            color: #000;
            text-align: center;
            margin: 0;
        }

        h5 {
            float: right;
            width: 45px;
            height: 50px;
            cursor: pointer;
            margin: 0;

            img {
                width: 45px;
                height: 50px;
            }
        }
    }

    .section3_content {
        background-color: #FAFAFA;
        margin-bottom: 2px;
        transition: all ease-in-out 0.5s;
        max-height: 800px;
        overflow: hidden;
        transform: scaleY(1);
        opacity: 1;
        /* display: flex; */
    }

    .section3_content_title {
        width: 100%;
        height: 50px;
        overflow: hidden;

        h4 {
            float: left;
            width: calc(100% - 60px);
            height: 70px;
            line-height: 70px;
            font-size: 16px;
            color: #000;
            text-align: center;
            margin: 0;

            a {
                color: #000;
            }
        }

        h5 {
            float: right;
            width: 45px;
            height: 50px;
            cursor: pointer;
            margin: 0;
        }
    }

    .section3_content_pictxt {
        height: auto;
        overflow: hidden;

        p {
            width: 100%;

            img {
                width: 100%;
            }
        }

        h4 {
            /* float: left; */
            padding: 8px;
            /* width: 530px; */
            font-size: 14px;
            color: #000;
            line-height: 25px;
            margin-bottom: 10px;
        }
    }
}




.content_3 p{
    margin: 5px 0;
}
.s3bg::before{
    content: "";
    position: absolute;
    display: block;
    top: 50px;
    right: 0;
    width: 50%;
    height: 60px;
    background: url(../img/s3bg1.png) no-repeat right top;
    z-index: -1;
    opacity: 1;
}
.s3bg::after{
    content: "";
    position: absolute;
    display: block;
    bottom: 0px;
    right: 0;
    width: 55%;
    height: calc(100% - 90px);
    background: url(../img/s3bg2.jpg) no-repeat center bottom / cover;
    z-index: -1;
    opacity: 1;
}
@media screen and (max-width: 768px) {
    .s3bg::after,
    .s3bg::before{
        display: none;
    }
}
.section4{
    margin-top: 60px;
    padding-bottom: 50px;
    position: relative;
    background: url(../images/m1_bg.jpg) no-repeat center bottom / 100% auto;
    z-index: 0;
}
.pd_0{
    padding: 0!important;
}
.section4 .imgbox{
    padding-bottom: 100%;
    img{
        position: absolute;
        width: auto;
        height: 100%;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
}
.section4::before {
    height: 360px;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    /* content: ''; */
    background: rgba(0, 0, 0, 0.6);
    background: -webkit-linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: -o-linear-gradient(bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: -moz-linear-gradient(bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    /* z-index: -1; */
}
.s4bg::before{
    /* content: ""; */
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../img/s4_mask.png) no-repeat center top / 100% auto;
    /* z-index: 1; */
    opacity: 1;
}
.content_4_box{
    span{
        display: block;
        width: 0;
        height: 0;
        position: absolute;
        top: 20px;
        z-index: 2;
        transition: all 0.3s ease-in-out;
    }
    .right_arrow{
        right: -20px;
        border-left: 20px solid #fff;
        border-top: 20px solid transparent;
        border-bottom: 20px solid transparent;
        border-right: 0;
    }
    .left_arrow{
        left: -20px;
        border-right: 20px solid #fff;
        border-top: 20px solid transparent;
        border-bottom: 20px solid transparent;
        border-left: 0;
    }
}
.content_4_box:hover{
    background-color: #004a99;
    span{
        border-left-color: #004a99;
        border-right-color: #004a99;
    }
    h6, p{
        color: #fff;
    }
    .content_4_info{
        background-color: #004a99;
    }
}
.content_4_info{
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
    background-color: #fff;
    transition: all 0.3s ease-in-out;
}
.content_4{
    position: absolute;
    top: 0;
    padding: 20px 15px;
    h6{
        margin: 0 0 10px 0;
    }
    p{
        margin-bottom: 0.5rem;
    }
}
.content_4 .info{
    padding: 20px;
    /* box-sizing: border-box; */
    border: 1px solid #ffffff90;
    background-color: #004a99;
    height: 256px;
    border-radius: 5px;
}
footer{
    width: 100%;
    /* height: 150px; */
    background-color: #004a99;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}
.footer{
    padding: 30px 0;
    align-items: center;
}
.footer_center{
    border-right: 1px solid #ffffff50;
    border-left: 1px solid #ffffff50;
}
.footer_center_info{
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}
.footer_left img{
    /* width: 40%; */
}