@media screen and (max-width: 1440px) {
	.layout {
		max-width: 1200px;
	}
	.nav-item a {
	    padding: 0 20px;
	}
	.index_about_desc p {
	    overflow: hidden;
	    text-overflow: ellipsis;
	    display: -webkit-box;
	    -webkit-line-clamp: 6;
	    -webkit-box-orient: vertical;
	}
	.index_about_btn {
	    margin-top: 20px;
	}
	.about-txt p {
	    line-height: 1.7;
	}
}

@media screen and (max-width: 1200px) {
	.layout {
		padding: 0 15px;
	}
    .pro-wrap {
        width: 100%;
        font-size: 14px;
    }
    .icon img {
        max-width: 150px;
    }
    .index_about_desc p {
        -webkit-line-clamp: 3;
    }
    nav {
        margin: 0 1%;
    }
    .nav-item a {
        font-size: 14px;
        padding: 0 10px;
    }
}

@media screen and (max-width:950px) {
    .news-item .news-img {
	    width: 49%;
	}
	.news-item .news-info {
	    width: calc(50%);
	}
    .logo-top {
        padding: 15px 0;
    }
    .mobile_bg {
        display: none;
        position: fixed;
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
        background: rgba(0,0,0,0.8);
        z-index: 98;
    }
    nav {
        display: none;
        position: fixed;
        width: 70%;
        left: 0;
        top: 0;
        background: #fff;
        z-index: 99;
        margin: 0;
        height: 100%;
    }
    .nav-tree .nav-item {
        width: 100%;
    }
    .nav-item a {
        line-height: 70px;
        font-size: 16px;
        padding: 0 20px;
        border-bottom: 1px solid #ccc;
    }
    #menu_close {
        display: none;
        position: fixed;
        width: 50px;
        height: 50px;
        left: 70%;
        top: 0;
        background: #fff;
        text-align: center;
        z-index: 99;
    }
    #menu_close i{
        font-size: 20px;
        line-height: 50px;
    }
    .lang b, #search_btn, .search-cont, .lang-cont{
        display: none;
    }
    .search-cont {
        position: fixed;
        width: 100%;
        left: 0;
        top: 0;
        background: #fff;
        z-index: 99;
        padding-top: 70px;
    }
    .search-cont input {
        width: calc(100% - 50px);
    }
    #search_close {
        display: none;
        position: fixed;
        width: 40px;
        height: 40px;
        right: 15px;
        top: 10px;
        background: #fff;
        text-align: center;
        z-index: 99;
        border-radius: 50%;
        border: 1px solid #ccc;
    }
    #search_close i{
        font-size: 16px;
        line-height: 40px;
        color: #333;
    }
    .lang-cont {
        position: fixed;
        width: 100%;
        left: 0;
        top: 0;
        background: #fff;
        z-index: 99;
        opacity: 1;
        transform: scale3d(1, 1, 1);
    }
    .lang-cont li {
        width: 100%;
        padding: 10px 0;
    }
    #lang_close {
        display: none;
        position: fixed;
        width: 60px;
        height: 60px;
        right: 15px;
        top: 30px;
        background: #fff;
        text-align: center;
        z-index: 99;
        border-radius: 50%;
        border: 1px solid #ccc;
    }
    #lang_close i{
        font-size: 30px;
        line-height: 60px;
        color: #999;
    }
    .head-right {
        padding: 0;
        border: 0;
    }
    .head {
        justify-content: center;
    }
    .moblie_nav {
        width: 100%;
        background: #009541;
        display: flex;
    }
    .mobile_item {
        width: 33.33333333333333%;
        text-align: center;
    }
    .mobile_item i {
        font-size: 30px;
        line-height: 50px;
        color: #fff;
    }
    header .layout {
        padding: 0;
    }
    .pro-wrap {
        overflow-x: scroll;
    }
}

@media screen and (max-width: 768px) {
    .index_about_desc p {
        -webkit-line-clamp: 100;
    }
    .index_about_img, .index_about_info {
        width: 100%;
    }
    .index_about_info {
        padding: 30px 50px;
    }
    .footer-item {
        width: 49%;
        margin-bottom: 20px;
    }
    .code li {
        justify-content: flex-start;
    }
    .about-desc .about-img {
        width: 100%;
    }
    .about-desc .about-txt {
        width: 100%;
        transform: translateX(0);
    }
    .about-list .about-item {
        width: 49%;
    }
    .news-list_ny ul li {
        width: 47%;
    }
    .footer-wrapper {
        padding: 60px 15px;
    }
}

@media screen and (max-width: 640px) {
    .index_news_item {
        width: 100%;
    }
    .news-item {
	    flex-wrap: wrap;
	}
	.news-item .news-img {
	    width: 100%;
	}
	.news-item .news-info {
	    width: calc(100%);
	}
}

@media screen and (max-width: 480px) {
    .footer-item {
        width: 100%;
    }
}