@charset "utf-8";

/* CSS Document */

 ::-webkit-input-placeholder {
    /* WebKit browsers */
    color: #999999;
    font-size: 14px;
    opacity: 1;
}

 ::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #999999;
    font-size: 14px;
    opacity: 1;
    padding-left: 10px
}

 :-ms-input-placeholder {
    /* Internet Explorer 10+ */
    color: #999999;
    font-size: 14px;
    opacity: 1;
    padding-left: 10px
}

body {
    overflow-x: hidden;
     padding-bottom: env(safe-area-inset-bottom);
}

header {
    position: relative;
}

.pu-top {
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 5;
}

.top {
    font-size: 12px;
    padding: 8px 0;
}

.top-left {
    background: url(../images/tel.png) no-repeat left center;
    padding-left: 25px;
    margin-left: 10px;
}

.top-left em {
    font-size: 20px;
    color: #de2425;
    font-weight: bold;
}

.wider-box {
    max-width: 1536px;
    margin: 0 auto;
}

.main-nav {
    flex: 1;
    max-width: 1040px;
    position: relative;
    padding: 20px 0;
}

.main-nav li {
    height: 43px;
    line-height: 43px;
    text-align: center;
    position: relative;
    border-bottom: 2px solid transparent;
}

.main-nav li a {
    color: #333333;
    font-size: 1rem;
    display: block;
    border-radius: 15px;
}

.main-nav>li:hover {
    border-bottom: 2px solid #de2425;
}

.main-nav>li:hover>a {
    color: #de2425;
    font-weight: bold;
}

.main-nav:hover .mid-nav {
    display: block;
}


/* banner */

.banner {
    position: relative;
}

.banner img {
    width: 100%;
    height: 30vw;
    object-fit: cover;
}


/* 关于我们 */

.about {
    background: url(../images/about-bg.jpg);
    padding: 55px 0;
}

.about-main {
    width: 43%;
}

.about-main h3 {
    font-size: 14px;
    color: #999;
    font-family: Arial;
}

.about-main h2 {
    font-size: 24px;
    color: #333333;
    margin: 14px 0;
    font-weight: bold;
}

.about-main hr {
    width: 54px;
    height: 2px;
    background: #de2425;
    margin: 12px 0;
}

.about-main p {
    font-size: 18px;
    color: #333333;
}

.about-txt p {
    font-size: 14px;
    color: #666666;
    line-height: 36px;
}

.abou-more {
    margin-top: 30px;
}

.abou-more a {
    color: #666666;
    font-size: 12px;
}

.abou-more-item {
    width: 147px;
    line-height: 36px;
    background: #de2425;
    text-align: center;
    margin-right: 15px;
    border-radius: 36px;
}

.abou-more-item a {
    color: #fff
}

.about-img img {
    max-width: 100%;
}

.about-img {
    width: 50%;
}


/* 检测项目 */

.case {
    margin: 40px 0;
}

.index-title {
    padding-bottom: 28px;
    border-bottom: 2px solid #de2425;
}

.index-title h2 {
    padding-left: 30px;
    background: url(../images/star.png) no-repeat left center;
    font-size: 24px;
    font-weight: bold;
    color: #333333
}

.index-title h3 {
    margin-left: 18px;
    font-size: 14px;
}

.index-more {
    width: 128px;
    padding-bottom: 13px;
    border-bottom: 1px solid #e5e5e5;
}

.index-more span {
    color: #de2425;
}

.case-cates-li {
    width: 187px;
    text-align: center;
    line-height: 40px;
    border-radius: 20px;
    background: #ebebeb;
    margin: 0 10px;
    font-size: 1.25rem;
}

.case-box {
    margin-top: 35px;
}

.case-sum {
    text-align: center;
    color: #666666;
    font-size: 16px;
    line-height: 1.5em;
}

.case-list-item {
    width: 20%;
    background: #fff;
    box-sizing: border-box;
    border: 1px solid #dddddd;
    margin: 0 6px;
}

.case-list-item-bg {
    border: 1px solid #dddddd;
}

.case-list-item-bg a {
    display: block;
    position: relative;
}

.case-list-item-bg img {
    width: 100%;

    object-fit:contain;
}

.case-list-item-bg h3 {
    font-size: 1rem;
    color: #fff;
    line-height: 4em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: #333333 url(../images/arrow.png) no-repeat 95% center;
    padding: 0 1em;
}

.case-list-item-bg:hover h3 {
    background: #de2425 url(../images/arrow.png) no-repeat 95% center;
    color: #fff
}

.pro_roll {
    margin-top: 35px;
}


/* 新闻 */

.news {
    background: url(../images/news-bg.png) repeat-y right;
    background-size: 50%;
    padding: 70px 0;
}

.news-main {
    margin-top: 35px;
}

.news-left {
    width: 50%;
}

.news-left-item {
    width: 48%;
}

.news-left-item img {
    width: 100%;
    height: 271px;
    object-fit: cover;
}

.news-left-item h3 {
    margin: 15px 0;
    white-space: normal;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-left-item h3 a {
    font-size: 16px;
    color: #424242
}

.news-left-item span {
    color: #666666;
    font-size: 14px;
}

.news-left-item p {
    margin-top: 15px;
    color: #666666;
    font-size: 14px;
}

.news-right-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f4f4f4;
}

.news-right-list li:first-child {
    padding-top: 0;
}

.news-right-list li:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.news-time {
    background: #333333;
    color: #fff;
    text-align: center;
    padding: 18px 14px;
    white-space: nowrap;
}

.news-time span {
    display: block;
}

.news-time span:first-child {
    font-size: 24px;
    font-weight: bold;
}

.news-right-list li:hover .news-time {
    background: #de2425;
}

.news-txt {
    flex: 1;
    margin-left: 20px;
}

.news-txt h3 a {
    font-size: 16px;
    color: #333333
}

.news-txt p {
    margin: 20px 0;
    color: #999999;
    font-size: 14px;
}

.news-txt span {
    font-size: 14px;
    color: #999999
}

.news-right {
    width: 46%;
}


/* 底部 */

footer {
    background: #f5f5f5;
    border-top: 6px solid #c7281c;
}

.footer-main {
    padding: 60px;
}

.foot-top {
    padding: 50px 0 30px 0;
    border-bottom: #cecece 1px solid;
}

.foot_b_r {
    width: 13.48%;
}

.foot_title {
    font-size: 20px;
    color: #333333;
    padding-bottom: 20px;
    border-bottom: #bababa 2px solid;
    margin-bottom: 20px;
    text-transform: uppercase;
    white-space: nowrap;
}

.foot_title em {
    font-size: 14px;
}

.foot-nav li {
    line-height: 2em;
    padding: 10px 0;
    min-width: 34%;
}

.foot-nav li a {
    color: #808080
}

.foot-goods li {
    white-space: nowrap;
    margin: 20px 0;
    color: #808080
}

.foot-goods li a {
    color: #808080
}

.foot-bottom {
    padding: 15px 0;
    color: #808080
}

.foot-bottom a {
    color: #808080;
    padding: 0 5px;
}


/* tabbar */

.tabbar {
    position: fixed;
    height: 55px;
    bottom: 0;
    background: #de2425;
    width: 100%;
    z-index: 10;
    display: none;
    box-shadow: 0 -1px 2px #ddd;
    padding-bottom: env(safe-area-inset-bottom);
}

.tabbar-item {
    flex: 1;
    text-align: center;
    padding-top: 10px;
    /*border-left: 1px solid rgb(243, 243, 243);*/
}

.tabbar-item i {
    font-size: 24px;
}

.tabbar-item a {
    color: #fff
}


/* 内页 */

.nei-banner img {
    max-width: 100%;
}

.path p {
    border-bottom: 1px #dddddd dotted;
    padding: 16px 0;
}

.nei-main {
    margin-top: 30px;
    margin-bottom: 60px;
}

.nei-left {
    width: 260px;
}

.nei-cate li {
    padding: 14px 0;
    font-size: 1rem;
    padding-left: 2em;
    padding-right: 2em;
    border-bottom: 1px solid #dedee2;
}

.nei-cate li a {
    color: #555555
}

.nei-cate li:hover {
    background: url(../images/tri.png) no-repeat 95% center;
}

.nei-cate li:hover a {
    color: #de2425
}

.nei-case-list li img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.nei-case-list li {
    position: relative;
    margin: 20px 0;
}

.nei-case-list li h4 {
    position: absolute;
    font-size: 12px;
    bottom: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.6);
    text-align: center;
    line-height: 2.3em;
}

.nei-case-list li h4 a {
    color: #fff
}

.nei-right {
    padding-left: 50px;
}

.nei-right {
    flex: 1;
}

.in-right-title {
    padding-bottom: 10px;
    background: url(../images/line2.png) no-repeat bottom left;
    background-size: 100%;
    margin-bottom: 15px;
}

.in-right-title h1 {
    font-size: 24px;
    line-height: 48px;
    padding-left: 30px;
    background: url(../images/ico-bt.png) no-repeat center left;
    color: #666
}

.in-news-list li {
    padding: 20px 0;
    border-bottom: #dedede dotted 1px;
    transition: all 0.5s;
}

.in-news-list li h3 {
    padding-left: 33px;
    background: url(../images/ico-art.png) no-repeat left center;
    font-size: 16px;
}

.in-news-list li:hover {
    background: #f5f5f5;
    padding: 20px;
}
.layui-laypage .layui-laypage-curr .layui-laypage-em {
	background: #de2425;
}
.layui-laypage a:hover {
    color: #de2425;
}
@media screen and (max-width:1650px) {
    .wider-box {
        padding: 0 10px;
    }
}

@media screen and (max-width:1550px) {
    .mid-nav li a {
        margin-left: 0;
    }
}

@media screen and (max-width:1500px) {
    .main-nav {
        margin-left: 30px;
    }
    .banner img {
        width: 100%;
        height: 35vw;
        object-fit: cover;
    }
}

@media screen and (max-width:1405px) {
    .top {
        font-size: 12px;
        padding: 10px 0;
    }
    .top-right em {
        font-size: 0.875rem;
    }
}

@media screen and (max-width:1320px) {}

@media screen and (max-width:1200px) {
    .wider-box {
        max-width: 1200px;
        margin: 0 auto;
    }
    nav {
        padding: 10px 0;
    }
   
    .case-list-item-bg h3 {
        line-height: 3em;
    }
    .main-nav {
        width: 100%;
        max-width: 100%;
        flex: auto;
    }
    .main-nav li {
        flex: 1;
        width: auto;
    }
    .top {
        display: none;
    }
    .main-nav {
        margin-left: 0;
        padding: 0px;
    }
    .banner img {
        width: 100%;
        height: 40vw;
        object-fit: cover;
    }
    .foot_b_r {
        width: 35%;
    }
}

@media screen and (max-width:992px) {
    
    .banner img {
        width: 100%;
        height: 45vw;
        object-fit: cover;
    }
    .more-show {
        display: none!important;
    }
    .mid-nav {
        display: none!important;
    }
    .main-nav:hover::after {
        display: none!important;
    }
    .about {
        height: auto;
    }
    .about-main {
        margin: 0 auto;
        width: 100%;
    }
    .about-img {
        width: 100%;
        margin: 20px 0;
    }
    .nei-right {
        padding-left: 0;
        margin-top: 15px;
    }
    .nei-left {
        width: 100%;
    }
    .nei-cate {
        display: flex;
    }
    .nei-cate li {
        flex: 1;
        text-align: center;
        padding-left: 0;
    }
    .news-right,
    .news-left {
        width: 100%;
    }
    .news {
        background-size: cover;
    }
}

@media screen and (max-width:768px) {
    nav {
        padding-top: 10px;
        padding-bottom: 0;
    }
    .main-nav {
        padding: 5px 0;
    }
    .logo-img img {
        width: 400px;
    }
    .banner img {
        height: 65vw;
    }
    .main-nav {
        justify-content: left;
    }
    .main-nav>li {
        line-height: 1.8em;
        height: 1.8em;
        border-radius: 0;
        background: #de2425;
        box-sizing: border-box;
        margin: 5px 2.5px;
        border-radius: 1em;
        flex: none;
        width: 23%;
    }
    .main-nav>li a {
        color: #fff;
        font-size: 14px;
    }
    .main-nav>li:hover a {
        color: #fff
    }
    .about hr {
        margin: 10px 0;
    }
    .index-title {
        padding-bottom: 13px;
    }
    .index-title h3 {
        display: none;
    }
    .case {
        margin: 15px 0;
    }
    .case>h3 {
        margin: 8px 0;
    }
    .case-cates-li {
        width: 100px;
        line-height: 2em;
    }
    .case-box {
        margin-top: 10px;
        padding: 20px 0;
    }
    .case-list-item {
        width: 50%;
    }
    .case-list-item-bg {
        padding: 5px;
    }
    .case-list-item-bg h3 {
        margin-top: 5px;
    }
    
    .case-list-item:hover {
        background: #fff;
    }
    .foot-top {
        padding: 15px 0;
    }
    .foot_b_r,
    .foot-map {
        display: none;
    }
    .foot_b_c {
        display: block;
    }
    .nei-cate {
        flex-wrap: wrap;
    }
    .nei-cate li {
        flex: 1;
        text-align: center;
        padding-left: 0;
        min-width: 20%;
        padding: 10px 0;
    }
    .nei-main {
        margin-bottom: 20px;
    }
    .nei-right {
        padding: 0;
    }
    .con-table td{
    	display: block;
    	width: 100%!important;
    	overflow: hidden;
    }
}

@media screen and (max-width:480px) {
    .xldn {
        display: none;
    }
    .logo-img img {
        width: 250px;
    }
    .pu-top {
        position: relative;
    }
    .banner img {
        height: 60vw;
    }
    .index-title h2{
    	font-size: 20px;
    }
    .about {
        padding: 20px 0;
    }
    .about-main h2 {
        font-size: 20px;
        color: #333333;
        margin: 10px 0;
    }
    .abou-more-item {
        width: 120px;
        line-height: 2em;
    }
    .about-box {
        height: auto;
    }
    .abou-more {
        margin-top: 10px;
    }
    .case h2 {
        font-size: 20px;
    }
    .case-box {
        padding: 0;
    }
    .news {
        margin: 20px 0;
        padding: 0;
    }
    .news-left-item img {
        height: 180px;
    }
    .news-left-item {
        width: 100%;
        margin: 10px 0;
    }
    .news-right {
        margin-top: 20px;
    }
    .news-time {
        padding: 14px 10px;
    }
    .news-txt {
        margin-left: 10px;
    }
    footer {
        margin-bottom: 55px;
    }
    .foot_title{
    	padding-bottom: 10px;
    	margin-bottom: 10px;
    	font-size: 15px;
    }
    .foot-goods li{
    	margin: 10px 0;
    }
    .tabbar {
        display: block;
    }
    .tabbar-item {
        padding-top: 5px;
    }
    .nei-cate li {
        min-width: 100%;
    }
    .path p {
        padding: 8px;
        font-size: 12px;
    }
    .in-news-list li {
        padding:10px 0;
    }
    .in-news-list li h3 {
        padding-left: 0;
        width: 70%;
      
    }
    .in-news-list li span{
    	display: block;
    	
    }
    .in-news-list li h3 a{
    	display: block;
    	width: 100%;
         overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
     
    .nei-main {
        margin: 15px 0;
    }
    .nei-right {
        order: 1
    }
    .nei-left {
        order: 2
    }
    .in-right-title h1 {
        font-size: 18px;
        line-height: 26px;
    }
    .in-right-title {
        padding-bottom: 5px;
    }
    .pro_roll {
        margin-top: 10px;
    }
    .nei-right{
    	margin-top: 0;
    }
    .news_box_nei{
    	overflow: hidden;
    }
    .case-list-item-bg h3{
    	background-image: none;
    }
}