* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    text-decoration: none;
}

body {
    font-family: "微软雅黑";
}

ul {
    list-style: none;
}

li {
    list-style: none;
}

.clear {
    clear: both;
    overflow: hidden;
}

.banner{
    width: 100%;
}

.banner .item{
    width: 100%;
}

.banner .item img{
    width: 100%;
    transition: none;
    transform: none;
}

.banner img {
    width: 100%;
    height: auto;
    min-height: 100%;
    transition: 1s linear 2s;
    transform: scale(1.1, 1.1);
}

.banner .swiper-slide-active img,
.banner .swiper-slide-duplicate-active img {
    transition: 6s linear;
    transform: scale(1, 1);
}

.banner .swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    background: #003883;
    border-radius: 100%;
    border: 2px solid #fff;
}

.banner .swiper-pagination-bullet-active {
    background: #fff100;
}

.head_top{
    height: 1.5rem;
}

.head {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 1.5rem;
    background-color: #181818;
    z-index: 99;
}

.heads {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 21.25rem;
}


.logo {
    width: 2.5rem;
}

.logo img {
    width: 100%;
    height: auto;
}

.nav {}

.nav ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
}

.nav ul li {
    height: 1.5rem;
    line-height: 1.5rem;
    text-align: center;
    margin-left: 0.75rem;
}

.nav ul li>a {
    height: 0.875rem;
    font-size: 0.225rem;
    color: #fff;
    display: block;
}

.nav ul li:hover {
    
}

.nav ul li:hover>a {
    border-bottom: 1px solid #fff;
}

.nav ul li .detailnav {
    position: fixed;
    top: 1.5rem;
    left: 0;
    width: 100%;
    height: 0px;
    z-index: 999;
    background: #fff;
    transition: all .5s;
    overflow: hidden;
}

.nav ul li:hover .detailnav {
    display: block;
    height: 5.6rem;
}

.drop_down{
    min-width: 17.5rem;
    max-width: 90%;
    display: flex;
    margin: 30px auto 0;
}

.drop{
    width: 2.75rem;
    display: flex;
    flex-direction: column;
    margin-left: 0.1875rem;
}

.drop:first-child{
    margin-left: 0;
}

.drop a:nth-child(1) {
    color: #000;
}

.drop a {
    font-size: 0.2rem;
    color: #666666;
    line-height: 2;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drop>a:hover{
    color: #000;
}

.dropro{
    display: flex;
    margin-left: 0.25rem;
}

.dropro a{
    display: block;
    width: 3.55rem;
    margin-left: 0.25rem;
}

.dropbox{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dropimg{
    position: relative;
    width: 3.05rem;
    border: 1px solid #f1f1f1;
}

.dropimg img{
    width: 100%;
    height: auto;
}

.dropimg div{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0,0);
    z-index: 9;
}

.dropimg:hover div{
    background-color: rgb(0, 0, 0,0.1);
}

.dropro a p:nth-child(2) {
    color: rgb(0, 0, 0);
}

.dropro a p {
    font-size: 0.25rem;
    color: #666666;
    line-height: 2.272;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.head_bot img:nth-child(2){
    margin-left: 0.25rem;
}

.product {
    width: 100%;
    overflow: hidden;
    padding: 30px 0;
}

.title {
    text-align: center;
    font-size: 36px;
    color: #000;
    font-weight: bold;
}

.products {
    width: 21.25rem;
    margin: 20px auto 0;
}

.proswiper img {
    width: 100%;
    height: 3.675rem;
}

.proswiper p {
    font-size: 20px;
    font-family: "Arial";
    color: rgb(0, 0, 0);
    line-height: 2.272;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.new {
    width: 100%;
    overflow: hidden;
}

.news {
    width: 21.25rem;
    display: flex;
    margin: 10px auto 20px;
}

.new_left{
    position: relative;
    width: 11.625rem;
}

.new_left img{
    width: 100%;
    height: auto;
}

.new_left div{
    position: absolute;
    left: 20px;
    bottom: 20px;
}

.new_left div p:nth-child(1) {
    font-weight: bold;
}

.new_left div p {
    font-size: 0.225rem;
    color: #fff;
    line-height: 2.5;
}

.new_right{
    display: flex;
    flex-direction: column;
    margin-left: 0.625rem;
}

.newbox{
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.newbox img{
    width: 3.575rem;
    height: auto;
}

.newbox>div{
    padding-left: 0.375rem;
}

.newbox p:nth-child(1) {
    color: #000;
    font-weight: bold;
}

.newbox p {
    font-size: 0.225rem;
    color: rgb(66, 66, 66);
    line-height: 2.524;
}

.study {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.study img{
    width: 100%;
}

.studys {
    position: absolute;
    left: 75%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 6.7875rem;
    height: 5.65rem;
    background-color: #000;
    padding: 0.125rem 0 0 0.5rem;
}

.studys p {
    font-size: 0.65rem;
    color: #fff;
    font-weight: bold;
    line-height: 1.691;
}

.studys a {
    display: block;
    width: 2.7rem;
    height: 0.5875rem;
    font-size: 0.2625rem;
    color: rgb(0, 0, 0);
    line-height: 0.5875rem;
    text-align: center;
    background-color: rgb(255, 255, 255);
    margin-top: 0.375rem;
}

.into{
    width: 100%;
    height: 343px;
    background: url(../images/intobg.png) center no-repeat;
    padding-top: 80px;
    margin-top: 20px;
}

.intos{
    display: flex;
    justify-content: space-around;
    width: 21.25rem;
    height: 100%;
    margin: auto;
}

.intos>div>div{
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.intos div p:nth-child(2) {
    font-weight: bold;
}

.intos div p {
    font-size: 22px;
    color: #fff;
    line-height: 1.636;
    text-align: center;
}

.instagram{
    position: relative;
    width: 100%;
}

.instagram>img{
    width: 100%;
    height: auto;
}

.instagrams {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 15%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 4.7375rem;
    height: 4.475rem;
    background-color: rgb(255, 255, 255);
}

.instagrams img{
    width: 3.375rem;
}

.instagrams a {
    display: block;
    width: 2.425rem;
    height: 0.7875rem;
    font-size: 0.3375rem;
    color: rgb(255, 255, 255);
    line-height: 0.7875rem;
    text-align: center;
    background-color: rgb(0, 0, 0);
}

.foot {
    width: 100%;
    overflow: hidden;
    background: #0a0a0a;
    padding: 0.5rem 0;
}

.flogo{
    margin-top: 1rem;
}

.flogo img{
    width: 2.125rem;
    height: auto;
}

.foots {
    width: 21.25rem;
    display: flex;
    justify-content: space-between;
    margin: auto;
    overflow: hidden;
}

.fnav {
    display: flex;
    flex-direction: column;
}

.ftitle {
    font-weight: bold;
    font-size: 0.25rem;
    color: #fff;
    margin-bottom: 0.1rem;
}

.flist a {
    display: block;
    font-size: 0.2rem;
    color: #fff;
    margin-top: 0.1625rem;
}

.fobt{
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.fobt div a:nth-child(1) img{
    margin-right: 0.1875rem;
}

.search_main {
    width: 342px;
    background-color: #fff;
    overflow: hidden;
    position: absolute;
    top: 1.5rem;
    right: 0;
    z-index: 999;
    margin-right: 120px;
    padding: 15px 20px;
}

.search_main form {
    float: left;
}

.search_main form input[type=text] {
    background: none;
    outline: none;
    width: 220px;
    height: 40px;
}

.search_main form input[type=submit] {
    background: url(../images/indexsearch.png) center no-repeat;
    border: none;
    width: 30px;
    height: 30px;
    position: relative;
    top: 0;
    left: 15px;
}

.search_close {
    font-size: 40px;
    float: right;
    line-height: 35px;
    cursor: pointer;

}


.innew{
    width: 100%;
    padding: 30px 0;
}

.innews{
    width: 21.25rem;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 20px auto 0;
}

.innews a{
    display: block;
    width: 32%;
    margin-right: calc(4% / 2);
    margin-bottom: 20px;
}

.innews a:nth-child(3n){
    margin-right: 0;
}

.innews img{
    width: 100%;
    height: auto;
}

.inwp1 {
    width: 100%;
    font-size: 0.275rem;
    color: rgb(153, 153, 153);
    font-weight: bold;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0.25rem 0;
}

.inwp2 {
    width: 100%;
    font-size: 0.3875rem;
    color: rgb(0, 0, 0);
    font-weight: bold;
    text-align: left;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
}

.inwcont {
    font-size: 0.2375rem;
    color: rgb(51, 51, 51);
    line-height: 2.105;
    text-align: left;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 6;
    text-overflow: ellipsis;
    margin-top: 20px;
}

.newshow_top{
    position: relative;
    width: 100%;
    display: flex;
}

.newshtp_left{
    width: 50%;
    background-color: #e6e6e6;
    padding-left: 1.375rem;
}

.newshtp_right{
    width: 50%;
}

.newshtp_right img{
    width: 100%;
    height: auto;
}

.newsptop{
    padding: 1.375rem 0 0 0.5rem;
}

.newstp1 {
    font-size: 0.25rem;
    color: rgb(0, 0, 0);
    line-height: 2;
}

.newstp2 {
    width: 3.75rem;
    font-size: 0.6rem;
    color: #000;
    font-weight: bold;
    line-height: 1.25;
    margin: 0.375rem 0;
}

.newstpcont {
    font-size: 0.25rem;
    color: #000;
    line-height: 2;
}

.news_navigation{
    position: absolute;
    left: 1.5rem;
    top: 0.5rem;
    z-index: 9;
    display: flex;
}

.news_navigation a {
    font-size: 0.2375rem;
    color: rgb(98, 98, 98);
    line-height: 2.105;
}

.newshow {
    width: 100%;
    overflow: hidden;
}

.newshows {
    display: flex;
    justify-content: space-between;
    width: 20rem;
    margin: 20px auto 0;
}

.news_left{
    margin-right: 1rem;
}

.news_left img{
    width: 25px;
    height: auto;
    margin-right: 0.1875rem;
    cursor: pointer;
}

.newdete{
    font-size: 20px;
    color: #000;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.newtags{
    font-size: 20px;
    color: #000;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.newmsg{
    display: flex;
    align-items: center;
    margin-bottom: 0.25rem;
}

.newmsgs{
    font-size: 16px;
    color: #8a8d90;
    text-decoration: underline;
    margin-right: 20px;
    cursor: pointer;
}


.newsbox{
    margin-bottom: 20px;
    color: #000;
    line-height: 2;
}

.newsbox p {
    font-size: 0.25rem;
    color: #000;
    line-height: 2.35;
}

.newsbox div {
    font-size: 0.25rem;
    color: #666666;
    line-height: 2.35;
}

.case{
    width: 100%;
    padding: 30px 0;
}

.cases{
    width: 21.25rem;
    display: flex;
    flex-wrap: wrap;
    margin: 20px auto 0;
}

.cases a{
    display: block;
    width: 24%;
    margin-right: calc(4% / 3);
}

.cases a:nth-child(4n){
    margin-right: 0;
}

.cases img{
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.casehov{
    width: 100%;
    overflow: hidden;
}

.casehov:hover img{
    transform: scale(1.1);
}

.casebtm {
    width: 100%;
    text-align: center;
}

.casebtm span{
    font-size: 0.25rem;
    font-family: "Arial";
    color: #000;
    line-height: 3;
    border-bottom: 1px solid #fff;
}

.casebtm:hover span{
    border-bottom: 1px solid #b7b7b7;
}

.caseAll{
    width: 21.25rem;
    display: flex;
    justify-content: flex-end;
    margin: auto;
}

.caseAll img{
    width: 0.9625rem;
    height: auto;
}

.threeflex{
    width: 21.25rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin: 20px auto 0;
}

.threeflex a{
    display: block;
    width: 32%;
    margin-right: calc(4% / 2);
}

.threeflex a:nth-child(3n){
    margin-right: 0;
}

.threeflex a img{
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.prodbox{
    position: relative;
    width: 100%;
    overflow: hidden;
    border: 1px solid #f1f1f1;
}

.prodbox img:nth-child(1){
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
    z-index: 9;
}

.prodbox:hover img:nth-child(2){
    transform: scale(1.1);
}

.prodbox div{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    z-index: 10;
}

.prodbox:hover div{
    background-color: rgba(0, 0, 0, 0.1);
}

.threeflex p {
    font-size: 0.25rem;
    font-family: "Arial";
    color: rgb(0, 0, 0);
    text-align: center;
    padding: 15px 0;
}

.concat{
    width: 100%;
    padding: 30px 0;
}

.concats {
    width: 12.5rem;
    margin: auto;
}

.concats span {
    font-size: 0.25rem;
    color: #000;
    line-height: 2.35;
}

.concats div {
    margin-top: 0;
}

.concats p {
    font-size: 0.25rem;
    color: #000;
    font-weight: bold;
    line-height: 2.35;
}
  

.mobile-inner-header {
    width: 100%;
    height: 60px;
    display: none;
    line-height: 60px;
    text-align: center;
    color: #fff;
    font-weight: bold;
    font-size: 22px;
    z-index: 99999;
    top: 0;
    background-color: #191919;
}

.mobile-inner-header-icon {
    color: #ffffff;
    height: 60px;
    font-size: 25px;
    text-align: center;
    float: right;
    width: 60px;
    position: relative;
    -webkit-transition: background 0.5s;
    -moz-transition: background 0.5s;
    -o-transition: background 0.5s;
    transition: background 0.5s;
    outline: none;
}

.mobile-inner-header-icon:hover {
    background-color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.mobile-inner-header-icon span {
    position: absolute;
    left: calc((100% - 25px) / 2);
    top: calc((100% - 1px) / 2);
    width: 25px;
    height: 1px;
    background-color: rgba(255, 255, 255, 1);
}

.mobile-inner-header img {
    height: 65%;
}

.mobile-inner-header-icon span:nth-child(1) {
    transform: translateY(4px) rotate(0deg);
}

.mobile-inner-header-icon span:nth-child(2) {
    transform: translateY(-4px) rotate(0deg);
}

.mobile-inner-header-icon-click span:nth-child(1) {
    animation-duration: 0.5s;
    animation-fill-mode: both;
    animation-name: clickfirst;
}

.mobile-inner-header-icon-click span:nth-child(2) {
    animation-duration: 0.5s;
    animation-fill-mode: both;
    animation-name: clicksecond;
}

@keyframes clickfirst {
    0% {
        transform: translateY(4px) rotate(0deg);
    }
    100% {
        transform: translateY(0) rotate(45deg);
    }
}

@keyframes clicksecond {
    0% {
        transform: translateY(-4px) rotate(0deg);
    }
    100% {
        transform: translateY(0) rotate(-45deg);
    }
}

.mobile-inner-header-icon-out span:nth-child(1) {
    animation-duration: 0.5s;
    animation-fill-mode: both;
    animation-name: outfirst;
}

.mobile-inner-header-icon-out span:nth-child(2) {
    animation-duration: 0.5s;
    animation-fill-mode: both;
    animation-name: outsecond;
}

@keyframes outfirst {
    0% {
        transform: translateY(0) rotate(-45deg);
    }
    100% {
        transform: translateY(-4px) rotate(0deg);
    }
}

@keyframes outsecond {
    0% {
        transform: translateY(0) rotate(45deg);
    }
    100% {
        transform: translateY(4px) rotate(0deg);
    }
}

.mobile-inner-nav {
    background: #191919;
    width: 100%;
    position: absolute;
    top: 60px;
    left: 0px;
    padding-top: 30px;
    padding-bottom: 80px;
    display: none;
    z-index: 999999999999;
}

.mobile-inner-nav a {
    display: inline-block;
    line-height: 50px;
    text-decoration: none;
    width: 80%;
    margin-left: 10%;
    font-size: 16px;
    color: #FFFFFF;
    border-bottom: solid 1px rgba(255, 255, 255, 0.3);
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    font-weight: 300;
}

.mobile-inner-nav a:hover {
    color: rgba(255, 255, 255, 0.4);
    border-bottom: solid 1px rgba(255, 255, 255, 0.2);
}