.nav_two {
    z-index: 9;
}

.nav_two .searc input {
    outline: none;
    border: 1px solid;
    margin-left: 5px;
    padding-left: 5px;
    padding-top: 5px;
    padding-bottom: 5px;
}

.banner {
    width: 100%;
}

.banner img {
    display: block;
    width: 100%;
}

.nav {
    width: 100%;
    padding-bottom: 120px;
}

.nav .w {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.nav .w .cont-left {
    width: 20%;
    position: relative;
    top: -72px;
}

.nav .w .cont-left p {
    display: block;
    margin: 0 auto;
    padding-bottom: 10px;
    width: 80%;
    text-align: left;
    border-bottom: 1px solid #456ec9;
    /*padding:0 20px;*/
    font-size: 30px;
}

.nav .w .cont-left span {
    display: block;
    margin: 0 auto;
    width: 80%;
    text-align: left;
    font-size: 16px;
    color: #8da6de;
}

.nav_menu1 .mt a:hover {
    background-color: #19419b;
    color: #FFFFFF;
}

.nav1>img {
    display: block;
    width: 100%;
    margin-top: 20px;
}

.nav .w .cont-right {
    width: 78%;
    margin-top: 50px;
    padding-left: 40px;
    padding-right: 40px;
}

.nav .w .cont-right .top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.nav .w .cont-right .top .le {
    width: 41%;
}

.nav .w .cont-right .top .le img {
    display: block;
    width: 100%;
}

.nav .w .cont-right .top .ri {
    width: 59%;
    margin-top: 40px;
    padding-bottom: 130px;
    padding-left: 5px;
    padding-right: 5px;
}

.nav .w .cont-right .top .ri p {
    font-size: 30px;
}

.nav .w .cont-right .top .ri span {
    display: inline-block;
    line-height: 30px;
}

.nav .w .cont-right .top .ri span:nth-child(2) {
    font-size: 16px;
    display: block;
    padding: 10px 0;
    color: #CCCCCC;
    border-bottom: 1px solid #CCCCCC;
}

.nav .w .cont-right .top .ri span:nth-child(3) {
    display: inline-block;
    font-size: 16px;
    padding-top: 30px;
}

.nav .w .cont-right .top .ri .description {
    display: inline-block;
    font-size: 16px;
    padding-top: 30px;
}

.banner {
    width: 100%;
}

.xuanxiang {
    width: 100%;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #CCCCCC;
    margin-bottom: 40px;
}

.xuanxiang li {
    width: 23%;
    text-align: center;
    font-size: 20px;
    /*font-weight: 700;*/
    padding: 15px 0;

}

.xuanxiang li:hover {
    background-color: #305dc3;
    color: #FFFFFF;
}

.k {
    background-color: #305dc3;
    color: #FFFFFF;
}

.ka {
    width: 100%;
}

.ka .ka1 {
    width: 100%;
    display: none;
}

.ka .ka1 span {
    display: inline-block;
    font-size: 16px;
    color: #666666;
    text-indent: 2em;
    line-height: 36px;
}

.ka .ka1 img {
    padding: 20px 0;
}

@media screen and (max-width: 1200px) {
    .nav {
        width: 100%;
        padding-bottom: 70px;
    }

    .nav .w .cont-right .top {
        justify-content: center;
    }

    .nav .w .cont-right .top .le {
        width: 60%;

    }

    .nav .w .cont-right .top .ri {
        width: 80%;
        text-align: center;
        padding-bottom: 60px;
    }
}


@media screen and (max-width: 768px) {
    .nav .w .cont-right .top .ri p {
        font-size: 24px;
    }

    .nav .w .cont-left p {
        font-size: 18px;
        padding-bottom: 3px;
    }

    .nav .w .cont-left span {
        font-size: 14px;
    }

    .nav .w .cont-left {
        width: 20%;
        position: relative;
        top: -38px;
    }
}

@media screen and (max-width: 580px) {
    .xuanxiang li {
        width: 25%;
        font-size: 14px;
    }

    .nav .w .cont-right {
        padding-left: 15px;
        padding-right: 15px;
    }

    .ka .ka1 span {
        font-size: 12px;
    }
}