.carousel-control-prev img,.carousel-control-next img{
    width: 22px;
    height: 43px;
}

.change span .chinese{
    color: #EC001D;
}
@media screen and (max-width: 1440px) {
    .container-fluid {
        padding-top: 20px;
    }

    .nav-link {
        display: block;
        padding: 0 0rem;
    }

    .header_menu {
        width: 80%;
        margin: 0 auto;
        overflow: hidden;
    }

    .menu, .search {
        float: left;
    }

    .menu-item {
        float: left;
        text-align: center;
        padding-left: 6px;
        padding-right: 6px;
    }

    .ytzz_logo {
        width: 20%;
        height: 49px;
        float: left;
    }

    .logo_img {
        max-width: 100%;
        max-height: 49px;
        margin-top: 3%;
    }

    .menu {
        font-size: 18px;
        color: #111;
        width: 68%;
        height: 49px;
        float: left;
        line-height: 49px;
        text-align: center;
        margin-left: 2%;
    }

    .search {
        width: 76px;
        height: 49px;
        margin-left: 1%;
        float: right;
        line-height: 49px;
    }

    .search_div {
        float: left;
        width: 16px;
        height: 49px;
    }

    .search_logo {
        max-width: 16px;
        max-height: 16px;
        margin-top: 16.5px;
    }

    .change {
        margin-left: 17%;
        font-size: 18px;
        color: #000;
        text-align: right;
        width: 71%;
    }

    .menu-item .active {
        color: #EC001D;
    }

    .menu-item a:hover{
        color: #EC001D;
    }


    #carouselExampleInterval {
        margin-top: 30px;
    }

    .content_position {
        width: 100%;
        height: 60px;
        background-color: rgb(247, 247, 247);
    }

    .position {
        width: 80%;
        height: 60px;
        text-align: right;
        margin: 0 auto;
        line-height: 60px;
    }

    .position_logo{
        width: 18px;
        height: 18px;
        margin-top: 21px;
    }
}



@media screen and (min-width: 1440px) {
    .container-fluid {
        padding-top: 20px;
    }

    .nav-link {
        display: block;
        padding: 0 1rem;
    }

    .header_menu {
        width: 1300px;
        margin: 0 auto;
        overflow: hidden;
    }

    .menu, .search {
        float: left;
    }

    .menu-item {
        float: left;
    }

    .ytzz_logo {
        width: 245px;
        height: 49px;
        float: left;
    }

    .logo_img {
        width: 245px;
        height: 49px;
    }

    .menu {
        font-size: 18px;
        margin-left: 20px;
        color: #111;
        width: 800px;
        height: 49px;
        float: left;
        line-height: 49px;
        text-align: center;
    }

    .search {
        width: 100px;
        height: 49px;
        margin-left: 120px;
        float: left;
        line-height: 49px;
    }

    .search_div {
        float: left;
        width: 16px;
        height: 49px;
    }

    .search_logo {
        width: 16px;
        height: 16px;
        margin-top: 16.5px;
    }

    .change {
        margin-left: 25px;
        font-size: 18px;
        color: #000;
        text-align: right;
    }

    .menu-item .active {
        color: #EC001D;
    }
    .menu-item a:hover{
        color: #EC001D;
    }

    #carouselExampleInterval {
        margin-top: 30px;
    }

    .content_position {
        width: 100%;
        height: 60px;
        background-color: rgb(247, 247, 247);
    }

    .position {
        width: 1300px;
        height: 60px;
        text-align: right;
        margin: 0 auto;
        line-height: 60px;
        padding-right: 10px;
    }

    .position_logo{
        width: 18px;
        height: 18px;
        margin-top: 21px;
    }
}