.w_1600 {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1%;
    box-sizing: border-box;
}
.w_1400 {
    max-width: 1400px;
    margin: 0 auto;
}
.clear {
    clear: both;
}

.logo {
    max-width: 400px;
}

.logo img {
    margin-top: 10px;
}

.nav_ul {
    width: 45%;
    margin-left: 8%;
}

.lan_sea {
    width: 165px;
    margin-top: 7px;
}

.lan_sea img {
    float: left;
    margin-right: 10px;
}

.lan_sea p {
    float: left;
    color: #ffffff;
    font-size: 16px;
}

.bannertxt {
    position: absolute;
    right: 5%;
    text-align: left;
}

.banner .bannertxt h2 {
    font-size: 50px;
    color: #000000;
}

.bannertxt p:nth-child(2) {
    font-size: 22px;
    color: #000000;
    margin: 25px 0 40px;
}

.bannertxt p:nth-child(3) {
    font-size: 20px;
    color: #000000;
}

.bannertxt p:nth-child(3) span {
    font-size: 30px;
    margin-right: 5px;
}

.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
    transition: all .3s;
    width: 10px;
    height: 10px;
}

.swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet.swiper-pagination-bullet-active {
    width: 35px;
    height: 10px;
    border-radius: 20px;
}

.swiper-container-horizontal > .swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 40px;
}

/*首页优势*/
.adv_bg {
    height: 1035px;
}

.adv_t li {
    float: left;
    width: 331px;
    height: 100px;
    padding: 20px 0 0 105px;
    background: #f5f5f5;
    position: relative;
    cursor: pointer;
}

.adv_t li.on {
    background: #2b2b2b;
}

.adv_t li:after {
    content: "";
    display: block;
    width: 44px;
    height: 44px;
    background: url(../image/20211012103539_1207345884.png) no-repeat;
    position: absolute;
    top: 30px;
    left: 42px;
    transition: all 0.3s;
}

.adv_t li:nth-child(2):after {
    background-position: -44px 0;
}

.adv_t li:nth-child(3):after {
    background-position: -88px 0;
}

.adv_t li:nth-child(4):after {
    background-position: -132px 0;
}

.adv_t li.on:nth-child(1):after {
    background-position: 0px -44px;
}

.adv_t li.on:nth-child(2):after {
    background-position: -44px -44px;
}

.adv_t li.on:nth-child(3):after {
    background-position: -88px -44px;
}

.adv_t li.on:nth-child(4):after {
    background-position: -132px -44px;
}

.adv_t li + li {
    margin-left: 25px;
}

.adv_t li * {
    display: block;
}

.adv_t li b {
    font-size: 30px;
    color: #333;
    font-weight: 500;
    font-size: 28px;
    margin-bottom: 2px;
}

.adv_t li.on b {
    color: #fff;
    font-weight: 500;
    font-size: 28px;
    margin-bottom: 2px;
}

.adv_t li span {
    font-size: 13px;
}

.adv_t li.on span {
    color: #e5e5e5;
}

.adv_b {
    margin-top: 25px;
    overflow: hidden;
}

.adv_b ul {
    display: block;
    height: 700px;
    background: url(../image/20211012104359_1969462464.jpg) no-repeat;
    min-width: 1400px;
}

.adv_b ul:nth-child(2) {
    background: url(../image/20211012160126_1164114566.jpg) no-repeat;
}

.adv_b ul:nth-child(3) {
    background: url(../image/20211012160126_441780247.jpg) no-repeat;
}

.adv_b ul:nth-child(4) {
    background: url(../image/20211012160126_1626077701.jpg) no-repeat;
}

.adv_b ul * {
    display: block;
}

.adv_b_page {
    width: 500px;
    height: 702px;
    padding: 80px 45px 0 45px;
    background: rgb(255 255 255/0.9);
    box-sizing: border-box;
}

.adv_b_page t {
    width: 74px;
    height: 74px;
    line-height: 74px;
    margin-bottom: 10px;
    background: #636363;
    font-size: 46px;
    color: #fff;
    text-align: center;
}

.adv_b_page b {
    font-size: 26px;
    color: #333;
    font-weight: 500;
}

.adv_b_page span {
    font-size: 12px;
    color: #999;
    line-height: 28px;
}

.adv_b_page span:after {
    content: "";
    display: block;
    width: 411px;
    height: 1px;
    margin: 35px 0;
    background: #dfdfdf;
}

.adv_b_page p {
    font-size: 15px;
    color: #999;
    padding-left: 30px;
    line-height: 30px;
    position: relative;
}

.adv_b_page p:nth-child(5) {
    margin-top: 30px;
}

.adv_b_page p:after {
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    background: #999;
    border-radius: 100%;
    position: absolute;
    top: 10px;
    left: 0px;
}

.adv_b_page a {
    width: 180px;
    height: 60px;
    line-height: 60px;
    margin-top: 70px;
    background: #838383;
    font-size: 18px;
    color: #fff;
    text-align: center;
}

.adv .page {
    margin: 0 auto;
    width: 1400px;
}

.comtit {
    padding: 75px 0 35px;
    text-align: center;
}

.comtit h2 {
    font-size: 37px;
    color: #333333;
    margin-bottom: 15px;
    font-weight: 500;
}

.comtit p {
    font-size: 16px;
    color: #666666;

}

.iyyitem {
    float: left;
    padding: 80px 0 0 50px;
    box-sizing: border-box;
    transition: all .3s;
}

.iyyitem:hover {
    transform: scale(1.03);
}

.iyyitem:nth-child(1) {
    width: 48%;
    margin-right: 1%;
    height: 490px;
}

.iyyitem:nth-child(2) {
    width: 25%;
    margin-right: 1%;
    height: 490px;
}

.iyyitem:nth-child(3) {
    width: 25%;
    height: 490px;
}

.iyyitem:nth-child(4) {
    width: 45%;
    margin-right: 1%;
    height: 390px;
    margin-top: 20px;

}

.iyyitem:nth-child(5) {
    width: 54%;
    height: 390px;
    margin-top: 20px;
}

.iyyitem p {
    font-size: 22px;
    color: #ffffff;
}

.iyybtn {
    display: block;
    width: 170px;
    border-radius: 40px;
    border: 1px solid #CCCCCC;
    text-align: center;
    padding: 10px 0;
    color: #666666;
    margin: 55px auto 35px;
}
.iyybtn:hover{
    color: #ffffff;
    background: #2b2b2b;
}

/*首页新闻*/
.ipart03 {
    padding: 1px 0 50px;
}

.ipart03 .infor {
    text-align: center
}

.ipart03 .infor .tit {
    font-size: 34px;
    line-height: 34px;
    color: #2a2a2a;
}

.ipart03 .content {
    margin-top: 10px;
}


.ipart03 .content .left {
    width: 32%;
    float: left;
}

.ipart03 .content .left a {
    display: block;
}

.ipart03 .content .left .intro {
    background: #fff
}
.ipart03 .content .left a img{
    width: 100%;
}
.ipart03 .content .left .intro .box {
    padding: 25px 53px 35px 35px;
}

.ipart03 .content .left .intro .box .t {
    font-size: 18px;
    color: #1c1c1c;
    margin-bottom: 10px;
    overflow:hidden;
    white-space:nowrap;
    text-overflow:ellipsis;
}

.ipart03 .content .left .intro .box .c {
    font-size: 14px;
    color: #7b7b7b;
    margin-bottom: 15px;
}

.ipart03 .content .left .intro .box .date {
    font-size: 14px;
    color: #9d9d9d;
    font-family: Arial;
    position: relative;
}

.ipart03 .content .left .intro .box .icon {
    width: 32px;
    height: 9px;
    background: url(../image/ipart03_2.png) no-repeat center;
    position: absolute;
    right: 0;
    bottom: 2px;
}

.ipart03 .content .left:hover .intro .box .t {
    color: #bf1b1d
}

.ipart03 .content .center {
    width: 32%;
    float: left;
    margin: 0 1%;
}

.ipart03 .content .center .item {
    background: #fff;
    transition: all 0.5s ease;
}

.ipart03 .content .center .item01 {
    margin-bottom: 20px;
}

.ipart03 .content .center .item_box {
    display: block;
    padding: 35px 42px 30px;
    background: #f4f4f4;
}

.ipart03 .content .center .item_box .t {
    font-size: 18px;
    color: #242424;
    transition: all 0.5s ease;
}

.ipart03 .content .center .item_box .c {
    font-size: 14px;
    color: #686868;
    line-height: 23px;
    height: 46px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-top: 15px;
    transition: all 0.5s ease;
}

.ipart03 .content .center .item_box .date {
    color: #9d9d9d;
    position: relative;
    font-family: Arial;
    border-bottom: 1px solid #d8d8d8;
    transition: all 0.5s ease;
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.ipart03 .content .center .item_box .date .day {
    font-size: 37px;
    line-height: 37px;
    font-weight: bold;
}

.ipart03 .content .center .item_box .date .year {
    font-size: 14px;
    line-height: 20px;
    margin-top: 3px;
}

.ipart03 .content .center .item_box .date .icon {
    width: 32px;
    height: 9px;
    background: url(../image/i15.png) no-repeat center;
    position: absolute;
    right: 25px;
    bottom: 50px;
    transition: all 0.5s ease;
}

/*.ipart03 .content .center .item:hover {*/
/*    box-shadow: 0 0 20px rgba(0, 0, 0, .1)*/
/*}*/

.ipart03 .content .center .item:hover .item_box .t {
    color: #bf1b1d
}

.ipart03 .content .center .item:hover .item_box .c {
    color: #bf1b1d
}

.ipart03 .content .center .item:hover .item_box .date {
    color: #bf1b1d
}

.ipart03 .content .center .item:hover .item_box .date .icon {
    background: url(../image/i15.png) no-repeat center;
}

.ipart03 .content .right {
    width: 34%;
    float: right;
}

.ipart03 .content .right li {
    margin-top: 17px;
    background: #fff;
    transition: all 0.5s ease;
    background: #f4f4f4;
    position: relative;
}

.ipart03 .content .right li:first-child {
    margin-top: 0
}

.ipart03 .content .right .li_box {
    display: block;
    padding: 40px 35px 40px 50px;
}

.ipart03 .content .right .li_box .date {
    display: inline-block;
    width: 15%;
    color: #9d9d9d;
    font-family: Arial;
    margin-right: 0;
    transition: all 0.5s ease;
    vertical-align: middle;
    padding: 3px 0;
}

.ipart03 .content .right .li_box .date .day {
    font-size: 37px;
    line-height: 37px;
    font-weight: bold;
}

.ipart03 .content .right .li_box .date .line {
    width: 21px;
    height: 2px;
    background: #d4d4d4;
    margin: 10px 0 13px;
}

.ipart03 .content .right .li_box .date .year {
    font-size: 14px;
    line-height: 20px;
}

.ipart03 .content .right .li_box .intro {
    display: inline-block;
    width: 75%;
    vertical-align: middle;
}

.ipart03 .content .right .li_box .intro .t {
    font-size: 18px;
    color: #2c2c2c;
    line-height: 25px;
    height: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: all 0.5s ease;
}

.ipart03 .content .right .li_box .intro .icon {
    width: 32px;
    height: 9px;
    background: url(../image/i15.png) no-repeat center;
    margin-top: 15px;
    transition: all 0.5s ease;
    position: absolute;
    right: 20px;
    top: 0;
    bottom: 0;
    margin: auto;
}

.ipart03 .content .right li:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, .1)
}

.ipart03 .content .right li:hover .li_box .date {
    color: #bf1b1d;
}

.ipart03 .content .right li:hover .li_box .intro .t {
    color: #bf1b1d;
}

.ipart03 .content .right li:hover .li_box .intro .icon {
    background: url(../image/i15.png) no-repeat center;
}

.ipart03 .content .left .intro .box {
    padding: 15px 53px 38px 35px;
    background: #f4f4f4;
}


.ipart03 .content .left .box .date {
    color: #9d9d9d;
    position: relative;
    font-family: Arial;
    border-bottom: 1px solid #d8d8d8;
    transition: all 0.5s ease;
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.ipart03 .content .left .box .date .day {
    font-size: 37px;
    line-height: 37px;
    font-weight: bold;
}

.ipart03 .content .left .box .date .year {
    font-size: 14px;
    line-height: 20px;
    margin-top: 3px;
}

.ipart03 .content .left .box .date .icon {
    width: 32px;
    height: 9px;
    background: url(../image/i15.png) no-repeat center;
    position: absolute;
    right: 25px;
    bottom: 50px;
    transition: all 0.5s ease;
}

/*底部*/
.if_bg{
    background: #000;
    padding: 60px 0 0;
}
.if1{
    width: 320px;
    color: #ffffff;
    border-right: 1px solid #4d4d4d;
}
.if2{
    width: 490px;
    color: #ffffff;
    border-right: 1px solid #4d4d4d;
    padding-right: 60px;
    box-sizing: border-box;
}
.if3{
    width: 265px;
    color: #ffffff;
}
.ifooter{
    display: flex;
    justify-content: space-between;
}
.if1 ul li{
    width: 50%;
    float: left;
    text-align: left;
    margin-bottom: 15px;
}
.if1 ul li a{
    color: #ffffff;
    font-size: 16px;
}
.ftitle{
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 500;
    color: #ffffff;
}
.ftitle span{
    font-size: 14px;
    font-weight: 100;
    line-height: 30px;
}
.if2 p{
    font-size: 14px;
    margin-bottom: 13px;
}
.if3l{
    float: left;
    margin-right: 47px;
    margin-top: 0px;
}
.if3l p{
    font-size: 14px;
    margin-top: 15px;
}
.ficp{
    background: #000;
    text-align: center;
    font-size: 14px;
    margin-top: 70px;
    color: #ffffff;
    height: 80px;
    line-height: 80px;
    border-top: 1px solid #4d4d4d;
}
.ficp a{
    color: #ffffff;
}
.if2 p.htel{
    background: url("../image/i42.png") no-repeat left;
    padding-left: 35px;
    font-size: 20px;
    font-weight: bold;
    background-size: 23px;
}
.neibanner2 div{
  left: 50%;
}
.xypg-pagination {
    margin-top: 40px;
    margin-bottom: 40px;
    text-align: center;
    font-size: 0;
}
.xypg-pagination a, .xypg-pagination #current, .xypg-pagination span {
    display: inline-block;
    font-size: 14px;
    color: #333333;
    font-family: "Microsoft YaHei",Arial;
    line-height: 26px;
    border: 1px solid #cbcbcb;
    margin: 0 5px;
    padding: 0 8px;
}
.caseitem{
    width: 24%;
    margin-right: 1.1%;
    float: left;
    margin-bottom: 20px;
    overflow: hidden;
}
.caseitem:nth-child(4n){
    margin-right: 0;
}
.caseitem img{
    width: 100%;
    display: block;
    transition: all .3s;
}
.caseitem img:hover{
    transform: scale(1.1);
}
.caseitem p{
    font-size: 16px;
    color: #333333;
    background: #eaeaef;
    text-align: center;
    line-height: 46px;
    overflow:hidden;
    white-space:nowrap;
    text-overflow:ellipsis;
    padding: 0 5px;
    box-sizing: border-box;
}
.caseitem p:hover{
    color: #ffffff;
    background: #000000;
}
.ditu{
    padding: 5px;
    box-sizing: border-box;
    border: 1px solid #CCCCCC;
}

.prolist{
    padding: 60px 0 60px;
}
.prol{
    width: 20%;
    margin-right: 2%;
    float: left;
}
.pror{
    width: 78%;
    float: left;
}
.prol h2{
    line-height: 90px;
    color: #ffffff;
    background: #8c8c8c;
    text-align: center;
    font-size: 26px;
    font-weight: 100;
}
.prol ul{
    border: 1px solid #dddddd;
    border-bottom: 0;
}
.prol ul>li{
    line-height: 45px;
    box-sizing: border-box;
    border-bottom: 1px solid #dddddd;
    background: #f2f2f2;
}
.prol ul>li .prop{
    padding: 0 15px;
}
.prol ul>li .prop a{
    color: #333333;
    font-size: 14px;
}
.prol ul>li ol{
    display: none;
    background: #ffffff;
    padding: 0 15px;
}
.prol ul>li ol a{
    font-size: 14px;
    color: #666666;
}
.prol ul>li .prop img{
    float: right;
    margin-top: 20px;
}
.picon1{
    display: block;
}
.picon2{
    display: none;
}
.proact .picon1{
    display: none;
}
.proact .picon2{
    display: block;
}
.proitem{
    width: 24%;
    margin-right: 1.1%;
    float: left;
    border: 1px solid #e5e5e5;
    overflow: hidden;
    margin-bottom: 35px;
}
.proitem:nth-child(4n){
    margin-right: 0;
}
.proitem .proimg img{
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    transition: all .3s;
}
.proitem .proimg img:hover{
    transform: scale(1.1);
}
.proitem p{
    font-size: 14px;
    color: #666666;
    line-height: 45px;
    border-bottom: 1px solid #e5e5e5;
    padding: 0 10px;
    box-sizing: border-box;
    overflow:hidden;
    white-space:nowrap;
    text-overflow:ellipsis;
}
.proitem .probt{
    line-height: 40px;
    color: #999999;
    font-size: 14px;
    padding: 0 10px;
    box-sizing: border-box;
}
.proitem .probt img{
    float: right;
    margin-top: 13px;
    margin-right: 10px;
}
/*产品详情*/
.fl{
    float: left;
}
.pshowl{
    width: 46%;
    margin-right: 4%;
}
.pshowr{
    width: 50%;
    height:400px;
    position: relative;
}
#image-block {
    background:url(../images/loading.gif) no-repeat center;
    height:574px;
    overflow:hidden;
    border: 1px solid #DDDDDD;
    text-align: center;
    width: 100%;
}
#image-block a.mod-imagezoom{
    display:inline-block;
    position: relative;
}
#image-block img{
    display:block;
}

.mod-thumbnails{
    margin-top:15px;
    width:100%;
    float:left;
}
.mod-thumbnails .tempWrap{
    float:left;
}
.mod-thumbnails .btn-prev,.mod-thumbnails .btn-next{
    display:block;
    float:left;
    width:15px;
    height:78px;
    margin:0 3px 0 0;
    display:inline;
    border:1px solid #ddd;
    text-align:center;
    line-height:78px;
    font-size:11px;
    color:#888;
    cursor:pointer;
}
.mod-thumbnails .btn-prev i,.mod-thumbnails .btn-next i{
    cursor:pointer;
}
.mod-thumbnails .btn-next{
    float:right;
    margin:0 0 0 3px;
    display:inline;
}
.mod-thumbnails .btn-prev:hover,.mod-thumbnails .btn-next:hover{
    background-color:#f8f8f8;
    color:#ffa200;
}
.mod-thumbnails ul{
    float:left;
    padding-left: 0;
    margin-top: 0;
    overflow:hidden;
}

.mod-thumbnails ul li{
    margin:0 5px;
}
.mod-thumbnails ul li,.mod-thumbnails ul li img{
    float:left;
    width:80px;
    height:80px;
    overflow:hidden;
}
.mod-thumbnails ul li img{
    width:76px;
    height:76px;
    padding:1px;
    border:1px solid #ddd;
}

.mod-thumbnails ul li.cover img{
    border-color:#ffa200;
    padding:0;
    border-width:2px;
}

/* Colorbox */
#colorbox, #cboxOverlay, #cboxWrapper{position:absolute; top:0; left:0; z-index:9999; overflow:hidden;}
#cboxWrapper {max-width:none;}
#cboxOverlay{position:fixed; width:100%; height:100%;}
#cboxMiddleLeft, #cboxBottomLeft{clear:left;}
#cboxContent{position:relative;}
#cboxLoadedContent{overflow:auto; -webkit-overflow-scrolling: touch;}
#cboxTitle{margin:0;}
#cboxLoadingOverlay, #cboxLoadingGraphic{position:absolute; top:0; left:0; width:100%; height:100%;}
#cboxPrevious, #cboxNext, #cboxClose, #cboxSlideshow{cursor:pointer;}
.cboxPhoto{float:left; margin:auto; border:0; display:block; max-width:none; -ms-interpolation-mode:bicubic;}
.cboxIframe{width:100%; height:100%; display:block; border:0;}
#colorbox, #cboxContent, #cboxLoadedContent{box-sizing:content-box; -moz-box-sizing:content-box; -webkit-box-sizing:content-box;}

#cboxOverlay {
    background: #000;
}
.pshowr h2{
    font-size: 24px;
    color: #333333;
    margin-top: 90px;
    margin-bottom: 30px;
}
.pshowr p{
    font-size: 16px;
    color: #333333;
    line-height: 25px;
}
.pshowr a{
    display: block;
    width: 150px;
    background: #ffa200;
    line-height: 50px;
    text-align: center;
    color: #ffffff;
    font-size: 20px;
    position: absolute;
    bottom: 50px;
}
.pshowmain{
    margin-top: 50px;
}
.psnav ul{
    overflow: hidden;
}
.psnav ul li{
    float: left;
    width: 180px;
    line-height: 50px;
    border: 1px solid #dddddd;
    text-align: center;
}
.psnav ul li a{
    color: #ff6f00;
    font-size: 16px;
}
.psnav ul li.psnavact{
    border-bottom: 2px solid #ff6f00;
}
.psmain{
    display: none;
    margin-top: 40px;
}
.psmain1{
    display: block;
}
.newsshow_con{
   margin: 30px 0;
}
:root {
    --swiper-theme-color: #b5b5b5;
}
.cate_ul{
    text-align: left;
}
/*固定顶部样式*/
.top{
    position: fixed;
    z-index: 999;
}
.banner{
    padding-top: 75px;
}
.neibanner2{
    padding-top: 75px;
    box-sizing: unset;
}


@media screen and (max-width: 1200px) {
    .w_1600 {
        width: 96%;
    }
}

.infons{
    margin: 0 auto;
    margin-top: 40px;
    width: 1300px;
}
.infoitem{
    width: 30%;
    margin-right: 3%;
    box-sizing: border-box;
    float: left;
    padding-right: 30px;
    height: 180px;
}
.infoitem:nth-child(3n){
    margin-right: 0;
}
.infoitem h2{
    color: #333;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
}
.infoitem p{
    color: #333333;
    font-size: 16px;
    line-height: 28px;
}