/* ====移动端导航==== *//* 按钮 */.mobmenu {display: none; margin: 0 0 0 2.5rem; position: relative; z-index: 9;}.mobmenu dl {width: 1.875rem; margin-right: 10px; cursor: pointer; height: 1rem;}.mobmenu dl dd {width: 0;height: .125rem;background: #333; width: 1.25rem;position: absolute; transition: all 0.3s;}.mobmenu dl dd:first-child {animation: sjnav 2.4s linear infinite;}.mobmenu dl dd:nth-child(2) {top: 50%;margin-top: -0.063rem;}.mobmenu dl dd:last-child {bottom: 0; animation: sjnav 2.4s linear infinite;animation-delay: 0.4s;}/* header.head_hover .mobmenu dl dd {background: #333;}header.head_hover .mobmenu h4 {color: #333;}header.c-style2 .mobmenu dl dd {background: #333;}header.c-style2 .mobmenu h4 {color: #333;} *//* 导航头 */.flexsb{display: flex; justify-content: space-between; align-items: center;}.mobmenu h4 {color: #333; margin-left: 1.25rem;}.mobmask {position: fixed;left: 0;top: 0;z-index: 99;width: 100%;height: 100vh;background: rgba(7,16,26,0.8);transition: all 0.5s;visibility: hidden;opacity: 0;transition-delay: 0.2s;}.mobmask.active{opacity: 1;visibility: visible;}.mobnavBox {padding-bottom: 20px; width: 60%;height: 100vh;position: fixed;z-index: 100;top: 0;left: -50%;overflow-y: auto;opacity: 0;transition: all 0.3s; background: #fff; visibility: hidden;}.mobnavBox.active{transition-delay: 0.3s;opacity: 1;left: 0; visibility: visible;} .mobCon {padding: 0 1.25rem; }.mobnavBox .top {padding: .625rem 1.25rem; height: 3.75rem; min-height: 50px; position: sticky;top: 0;z-index: 9999;background: #fff;box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.03);}.mobnavBox .top .logo {display: flex; align-items: center; height: 100%;}.mobnavBox .top .logo img { max-height:100%; object-fit: contain;}.mobnavBox .top .logo svg path {fill: #333;}.mobnavBox .top .mobnavclose {width: 30px;height: 30px;position: relative; cursor: pointer;}.mobnavBox .top .mobnavclose:before,.mobnavBox .top .mobnavclose:after{content: "";position: absolute;left: 50%;top: 50%;transform: translate(-50%,-50%);background: #333;border-radius: 1px;}.mobnavBox .top .mobnavclose:before{width: 20px;height: 2px;transform: translate(-50%,-50%) rotate(45deg);}.mobnavBox .top .mobnavclose:after{width: 2px;height: 20px;transform: translate(-50%,-50%) rotate(225deg);}/* 导航搜索 *//* version1.0 */.mobsearch {margin-top: 30px;}.mobsearch form {display: flex; align-items: center; justify-content: space-between;}.mobsearch form input {width: calc(100% - 52px);line-height: 40px;border: 1px solid #eee;border-radius: 2px;padding: 0 12px;font-size: var(--font14); color: #333;}.mobsearch form button {width: 42px;height: 42px;background: #2E3852;color: #333;border-radius: 2px;font-size: 14px; border: 0; cursor: pointer;}.mobsearch form button img {filter: brightness(100); -webkit-filter:brightness(100);}/* version2.0 */.mobnavBox .form { background-color: #f5f5f5;display: flex;align-items: center;margin-bottom: 1.25rem; margin-top: 2.25rem;}.mobnavBox .form .f_sub,.mobnavBox .form .tx {height:5rem;}.mobnavBox .form .int {display: flex;align-items: center;width: calc(100% - 9.625rem);padding: 0 2.8125rem;}.mobnavBox .form .int i {width: 2rem;display: block;overflow: hidden;}.mobnavBox .form .int i svg {float: left;width: 100%;}.mobnavBox .form .int .tx {width: calc(100% - 2rem);padding: 1.25rem 1rem;font-size: var(--font20);}.mobnavBox .form .f_sub {display: flex;align-items: center;justify-content: center;width: 9.625rem;color: #fff;background-color: #2E3852;cursor: pointer;font-size: var(--font24);}@media (max-width: 768px) {  .mobnavBox .form .int {width: calc(100% - 1.5rem);padding: 0 1rem;}  .mobnavBox .form .f_sub, .mobnavBox .form .int .tx {height: 3.5rem; font-size: var(--font16);}  .mobnavBox .form .f_sub {font-size: var(--font16);}  .mobnavBox .bottom .nav li h3 a,.fz_bt{font-size: var(--font19);}}/* 导航内容 */.mobnavBox .bottom {padding: 6px 0;}.mobnavBox .bottom .nav li {margin: 2.5rem 0;}.mobnavBox .bottom .nav li h3 {display: flex;align-items: center;justify-content: space-between; }.mobnavBox .bottom .nav li h3 a {display: block;text-align: center;color: #333;padding-left: 4px;font-size: var(--font24);}.mobnavBox .bottom .nav li h3 i {display: flex; align-items: center; justify-content: center; width: 16px;height: 16px;color: #333;text-align: center;font-size: 12px; transition: .4s; cursor: pointer;}.mobnavBox .bottom .nav li h3 i svg {max-width: 100%;}.mobnavBox .bottom .nav li h3 i img {max-width: 100%;}.mobnavBox .bottom .nav li .m-subnav {border-bottom: 1px solid #dbdbdb;padding-bottom: 5px;display: none;}.mobnavBox .bottom .nav li .m-subnav a {margin: 10px 0;padding-left: 5px;position: relative; font-size: var(--font20); color: #333; display: flex;align-items: center;}.mobnavBox .bottom .nav li .m-subnav a::before {content: ''; width: 4px; height: 4px; border-radius: 50%; background: #2E3852; display: inline-flex; margin-right: 5px; flex-shrink: 0;}/*三级导航 */.mobnavBox .bottom .nav li .m-subnav dl {border-bottom: 1px solid #eee;}.mobnavBox .bottom .nav li .m-subnav dl:last-child {border: 0;}.mobnavBox .bottom .nav li .m-subnav dl dt {display: flex; justify-content: space-between;}.mobnavBox .bottom .nav li .m-subnav dl dt a::before {display: none;}.mobnavBox .bottom .nav li .m-subnav dl dt .btn {width: 16px; position: relative;}.mobnavBox .bottom .nav li .m-subnav dl dt .btn i {position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);    font-weight: 700;}.mobnavBox .bottom .nav li .m-subnav dl dt .btn .i2 {opacity: 0;}.mobnavBox .bottom .nav li .m-subnav dl .list {display: none;}.mobnavBox .bottom .nav li .m-subnav dl .list a {display: flex; position: relative; align-items: center; font-size: var(--font16);}.mobnavBox .bottom .nav li .m-subnav dl .list a:first-child {margin-top: 0;}.mobnavBox .bottom .nav li .m-subnav dl.on dt .btn .i2 {opacity: 1;}.mobnavBox .bottom .nav li .m-subnav dl.on dt .btn .i1 {opacity: 0;}/* .mobnavBox .bottom .nav li .m-subnav a:before{content: "";width: 8px;height: 8px;border: 1px solid #CCCCCC;border-radius: 50%;position: absolute;left: 4px;top: 5px;transition: all 0.4s;}.mobnavBox .bottom .nav li .m-subnav a:after{content: "";width: 4px;height: 4px;background: #CCCCCC; border-radius: 50%; position: absolute; left: 7px;top: 8px;transition: all 0.4s;} */.mobnavBox .bottom .nav li.on h3 a {color: #2E3852;}.mobnavBox .bottom .nav li.on h3 i {transform: rotate(90deg);color: #2E3852;}.mobnavBox .bottom .nav li.on h3 i:before,.mobnavBox .bottom .nav li.on h3 i:after {background: #fff;}.mobnavBox .bottom .nav li h3 a:hover,.mobnavBox .bottom .nav li .m-subnav a:hover , .mobnavBox .bottom .nav li .m-subnav a.on {color: #2E3852;}.mobnavBox .bottom .nav li .m-subnav a:hover:before , .mobnavBox .bottom .nav li .m-subnav a.on:before {border-color: #2E3852;}.mobnavBox .bottom .nav li .m-subnav a:hover:after , .mobnavBox .bottom .nav li .m-subnav a.on:after {background: #2E3852;}.mobnavBox .bottom .links dl dd {margin: .3rem 0;}.mobnavBox .bottom .links dl dd a {display: flex; align-items: center;}.mobnavBox .bottom .links dl dd span { margin-left: .2rem; display: block; text-align: center;color: #333; padding-left: 4px; font-size: var(--font20);}/* 导航语言 *//* version2.0 */.mobnavBox .moblang .tit {font-size: var(--font20); text-align: center; font-weight: 700; margin-bottom: 1.25rem;}.mobnavBox .moblang .moblan a {border: 1px solid #eee; margin: 1rem 0; color: #666;}.mobnavBox .moblang .moblan a:active {border-color: #2E3852; background: #2E3852; color: #fff;}/* 导航联系方式 *//* version1.0 */.moblan a {display: flex;align-items: center;justify-content: center;height: 3.125rem;}.sitebtn {display: block;border-radius:4px;	background-image: linear-gradient(135deg, #2E3852 10%, #fff 60%, #2E3852 100%);overflow: hidden;background-size: 200% auto;color: #fff;text-align: center;}/* .sitebtn:hover {background-position: right center;} */.mobinfo {padding-top: 1.25rem; border-top: 1px solid #eee;}.mobinfo h2 {color: #2E3852; font-weight: 700; margin-bottom: 1.875rem;}.mobinfo dl dd {display: flex;margin-top: .938rem; align-items: center;}.mobinfo dl dd {}.mobinfo dl dd .icBox {max-width: 15px;max-height: 15px;display: flex;align-items: center;justify-content: center;margin-right: 5px;}.mobinfo dl dd .icBox img {max-width: 100%;}.mobinfo dl dd p {width: calc(100% - 14px);color: #333; }.mobinfo dl dd p a {color: #333;}.mobinfo dl dd p a:active {color: #2E3852;}@keyframes sjnav{0% {width: 0;}25% {width: 15px;}50% {width: 30px;}75% {width: 15px;}100% {width: 0;}}/* version2.0 */.fz_bt {margin-top: 1.25rem; display: flex;align-items: center;justify-content: center;border-radius: 3px;background-color: #fff;color: #2E3852;transition: all 0.3s linear;border: 1px solid #eee; width: 100%; padding: .625rem 0; font-size: var(--font24);}.fz_bt i {display: flex;width: 1.875rem;height: 1.875rem;margin-right:1.25rem;overflow: hidden;}.fz_bt i svg{width: 100%; height: 100%;}.fz_bt i svg path{fill: #2E3852;}.fz_bt span {color: #2E3852;}.fz_bt:active {background: #2E3852; border-color: #2E3852;}.fz_bt:active i svg path{fill: #fff;}.fz_bt:active span{color: #fff;}@media (any-hover: hover) {  .mobinfo dl dd p a:hover {color: #2E3852;}  .fz_bt:hover{background: #2E3852; border-color: #2E3852;}  .fz_bt:hover i svg path{fill: #fff;}  .fz_bt:hover span{color: #fff;}}@media (max-width: 768px) {  .mobnavBox .bottom .nav li {margin: 1.25rem 0;}  .mobnavBox .bottom .nav li h3 a {font-size: var(--font20);}  .mobnavBox .bottom .nav li .m-subnav a {font-size: var(--font18);}  .fz_bt i {width: 1.25rem; height: 1.25rem; margin-right: .5rem;}}/* ======================================================1366px========================================================= *//* 大桌面显示器，≥ 1200px */@media (max-width: 1366px) {  /* 头部 */  nav {width: 70%;}  .headluange {margin-right: 3rem;}  nav .layui-nav > .layui-nav-item > a > i {transform: translateY(-50%) translateX(90%);}  /* 售后服务 */  .salesOne::after {clip-path:polygon(0 0, 100% 0, 100% 100%, 28% 100%)}}/* ======================================================1200px========================================================= *//* 大设备（小桌面/平板横屏，≥ 992px） 小于 1200px */@media  (max-width: 1200px) { }@media  (max-width: 1024px) {   nav {display: none;}  .mobmenu {display: inline-flex;}  /* 底部 */  .foternav {flex-wrap: wrap;width: 100%; margin-top: 2rem; padding: .3rem 0; margin-left: 0;}  .foternav dl .ddbox {display: none; margin-top: .625rem;}  .foternav dl {width: 100%; margin-right: 0; text-align: left; padding-right: 0;}  .foternav dl dt {margin-bottom: 0;position: relative;cursor: pointer;     padding: .1rem 0;}  .foternav dl dt::after {content: "";background: url(../images/jt.svg) no-repeat right;display: block;width: 15px;height: 15px;background-size: 100%;position: absolute;right: 0;top: 50%;transform: translate(-50%, -50%); transform-origin: center; transition: .35s; z-index: 1;}  .foternav dl dt::before {display: none;}  .foternav dl.on dt::after {transform:translate(-50%, -50%) rotate(90deg);}  .foternav dl {margin-bottom: 10px;border-bottom: 1px solid #ddd;padding-bottom: 10px;}  .foternav dl:last-child {margin-bottom: 0; border: 0;}  .foternav dl.nolist dt::after {display: none;}  .foternav dl.nolist dt a {display: block; margin-bottom: 0;}  .foterBox .left {width: 100%;}  .footer .links ul {justify-content: center;}  .foter_us .info {margin-top: 1rem;}  /* 首页 */  .indexOne .re {margin-left: 0;}  /* 售后服务 */  .salesOne::after {clip-path: polygon(0 0, 100% 0, 100% 100%, 32% 100%);}}/* ======================================================992px========================================================= *//* 中等设备（平板，≥ 768px）小于 992px */@media (max-width: 992px) { }/* 平板竖屏 */@media (max-width: 767px) {   /* 通用 */  .more1 {padding: .6rem 1rem; font-size: var(--font16);}  .more1 span {font-size: var(--font16);}  /* 头部 */  .headBox {height: 3.75rem !important; margin: 0;}  .headBox .logo {padding: .625rem 0;}  .mobnavBox {width: 100%;}  .mobmenu {margin-left: 1rem;}  .mobmenu h4 {margin-left: .5rem;}  #c-placeholder {height: 3.75rem;}  .headluange {display: none;}  .head_search {width: 2.5rem; height: 2.5rem;}  .head_search img {width: 1rem; height: 1rem;}  /* 底部 */  .foterBox {padding: 3rem 0;}  .footer_logo img {height: 3.25rem;}  .copyRight {padding-top: 0; padding-bottom: 1.5rem;}  /* 首页 */  .indexTle {text-align: center;}  .indexBanner {margin-top: 0;}  .indexBanner .box .p1 {font-size: var(--font30);}  .indexBanner .box .p2 {font-size: var(--font18);}  .indexBanner .slide .more {margin-top: 2rem;}  .indexOne {padding: 2rem 0;}  .indexOne .box {flex-wrap: wrap;}  .indexOne .le {width: 100%; text-align: center;}  .indexOne .re {margin-left: 0; margin-top: 2rem; max-width: 100%;}  .indexOne .swjt {bottom: -3rem;}  .indexOne .xian {margin-top: 5rem;}  .indexTwo {padding: 2rem 0;}  .indexTwo .tle  {text-align: center; justify-content: center;}  .indexTwo .tle .text {width: 100%;}  .indexTwo .tle .more {width: 100%; margin-top: 1rem;}  .indexTwo ul {flex-wrap: wrap; justify-content: space-between;}  .indexTwo li {flex: none; width: 47.5%; height: 20rem;}  .indexTwo li .show {margin-top: 2rem;}  .indexThre {padding: 3rem 0;}  .indexThre .left {width: 100%;}  .indexThre .imgBox {width: 100%; margin-top: 2rem;}  .indexThre .numlist {margin-top: 2.5rem;}  .indexThre .numlist ul {flex-wrap: wrap;}  .indexThre .numlist li {width: calc(100% / 2 - .313rem); padding: 1.5rem; margin-bottom: .625rem; flex-wrap: wrap;}  .indexThre .numlist li .num {font-size: var(--font30);justify-content: flex-start;}  .indexThre .numlist li .icBox {width: 3rem; height: 3rem;}  .indexFour .list {margin-top: 2.5rem;}  .indexFour .list ul {grid-template-columns: repeat(2, 1fr);}  .indexFour .list li {padding: 1rem;}  .indexFour .list li .p1 {transform: translateY(0);}  .indexFive {padding: 4rem 0;}  .indexFive .text {width: 100%; font-size: var(--font16);}  .indexFive ul {flex-wrap: wrap; gap: 0; justify-content: space-between;}  .indexFive li {width: 48%;background: #323756; margin-bottom: 1rem;padding: 1.5rem 0;}  .indexFive li .jt {opacity: 1;}  .indexFive li {min-height: 10rem;}  .indexFive li .p1 {font-size: var(--font18);}  .indexFive li .icBox {height: 3rem;}  .indexFive .box {margin-top: 3rem;}  .indexFive li:last-child {width: 100%;}  .indexSix {padding: 3rem 0;}  .indexSix .swjt {display: none;}  .indexSeven {padding: 3rem 0;}  /* =============================================内页============================================ */  .ny-banner {min-height: initial;}  .ny-banner .w1500 {display: flex; flex-direction: column;min-height: 16rem; justify-content: flex-end;}  .ny-banner .mbx {order: 2; margin-top: 2rem;}  .ny-banner .info .p1 {text-align: center;}  .ny-banner .info .p2 {font-size: var(--font14); display: none;}  /* 关于我们 */  .aboutOne {padding: 3rem 0;}  .aboutOne .left {width: 100%;}  .aboutOne .right {width: 100%; margin-top: 2rem;}  .aboutOne .left .text {font-size: var(--font16);}  .aboutOne .numlist {margin-top: 2.5rem;}  .aboutOne .numlist ul {flex-wrap: wrap;}  .aboutOne .numlist li {width: calc(100% / 2 - .313rem); padding: 1.5rem; margin-bottom: .625rem; flex-wrap: wrap;}  .aboutOne .numlist li .num {font-size: var(--font30); justify-content: flex-start;}  .aboutOne .numlist li .icBox {width: 3rem; height: 3rem;}  .aboutTwo {padding-top: 3rem; padding-bottom: 10rem;}  .aboutTwo .swiperBox {margin-top: 3rem;}  .aboutTwo .pagtion {bottom: -5rem; height: 4px;}  .aboutThre {padding: 3rem 0;}  .aboutThre .list li {width: 10rem; height: 5rem;}  .aboutFour {padding: 3rem 0;}  .aboutFour .swiperBox {margin-top: 3rem;}  .aboutFour .slide .imgBox {transform: scale(.9);}  .aboutFour .slide .imgBox img {min-height: 15rem;}  .aboutFour .slide .info {padding: 1.25rem;}  .aboutFour .slide .info .tit {font-size: var(--font16);}  .aboutFour .swjt {display: none;}  .aboutFive {padding: 3rem 0;}  .aboutFive .swiperBox {margin-top: 3rem;}   .aboutFive .slide a {padding: 1.5rem;}  .aboutFive .slide .imgBox {height: 10rem;}  .aboutFive .slide .more1 {margin-top: 1.5rem;}    /* 产品列表 */  .proOne {padding: 4rem 0;}  .proOne .list ul {grid-template-columns: repeat(2, 1fr); gap: 1rem;}  .proOne .list li span {font-size: var(--font18); margin-top: 2rem;}  .proOne .list li {padding-top: 1.5rem;}  .proTwo {padding: 4rem 0;}  .proTwo .list ul {grid-template-columns: repeat(2, 1fr); gap: 1rem;}  .proTwo .list li span {font-size: var(--font16); padding: .625rem 0;}  .proThre {padding: 3rem 0;}  .proThre .box {margin-top: 2rem;}  .proThre .layui-colla-title {font-size: var(--font16); padding: 1rem 0; padding-right: 1.8rem;}  .proThre .layui-colla-content {padding: 1.25rem;}  .proFour {padding: 3rem 0;}  .proFour .pagtion {margin: 0 1rem;}  .tactForm {padding: 3rem 0;}  .tactForm .form .inCode {width: 100%;}  /* 产品详情 */  .proDateOne .swiperBox {width: 100%;}  .proDateOne .right {width: 100%; margin-top: 3rem;}  .proDateOne .swiperTwo .slide {height: 5rem;}  .proDateTwo {padding-bottom: 2.5rem;}  .proDateTwo .nav ul {white-space: nowrap; justify-content: flex-start; overflow-x: auto; gap: 0;}  .proDateTwo .nav {top: 3.75rem;}  .proDateTwo .nav li {height: 3rem;}  .proDateTwo .nav li a {padding: 0 .5rem; font-size: var(--font14);}  .proDateTwo .item_section {padding: 1.5rem .625rem;}  .proDateFour {padding-top: 0;}    .page_fy {flex-wrap: wrap; gap: .625rem;} .item-title span {font-size: 1.8rem;}  /* 应用范围 */  .scopenav ul {gap: 2rem;}  .scopenav li a {padding: 1.5rem 1rem; font-size: var(--font18);}  .scopelist {padding-bottom: 3rem;}  .scopelist .list {grid-template-columns: repeat(2, 1fr); gap: 1rem;}    /* 新闻中心 */  .newslist .list ul {gap: 1rem;}  .newslist .list li .info {padding: 1rem;}  .newslist .list li .time {margin-top: 1.5rem;}  /* 解决方案 */  .soulOne ul {grid-template-columns: repeat(2, 1fr);}  .soulOne li {padding: 1.5rem;}  .soulOne li .info {padding: 1.5rem 0;}  /* 案例详情 */  .caseDate {margin: 3rem 0;}  .caseDate .left {width: 100%; padding: 2rem;}  .caseDate .right {width: 100%; margin-top: 2rem; padding: 2rem; position: relative; top: 0;}  .caseDate .box .tit {font-size: var(--font26);}  /* 新闻中心 */  .pressnav ul {gap: 1rem;}  .pressnav ul li a {width: 11em; height: 3.5rem; font-size: var(--font16);}  .newsInfoSwiper .slide {flex-wrap: wrap;}  .newsInfoSwiper .imgBox {width: 100%;}  .newsInfoSwiper .info {width: 100%; padding: 2rem;}  .newsInfoSwiper .info .text {margin-top: 1rem;}  .newsInfoSwiper .pagtion {bottom: 2rem;}  .newslist .list ul {grid-template-columns: repeat(2, 1fr);}  /* 新闻详情 */  .newsDate {padding-top: 0; padding-bottom: 3rem;}  .newsxq-box {flex-wrap: wrap;}  .news-left {width: 100%;}  .newsxq-box .news-right {width: 100%; margin-top: 3rem; position: relative; top: 0;}  .newsxq-title {padding-bottom: 1.5rem;}  .newsxq-title strong {font-size: var(--font20);}  .news-left .newsCon {padding: 1.5rem;}  /* 售后服务 */  .salesOne {padding: 3rem 0;}  .salesOne .box {flex-wrap: wrap;}  .salesOne .left {width: 100%;}  .salesOne .right {width: 100%; margin-top: 5rem;}  .salesOne::after {right: auto; left: 0; top: auto; bottom: 0; height: 60%; width: 100%; clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);}  .salesOne .left .p1 {margin-top: 2rem;}  .salesOne .salesTle .xian {height: 4px;}  .salesOne .left .salesTle .t2 {width: 100%;}  .salesOne .right .item {margin-left: 0 !important;}  .salesOne .right .item .icBox {width: 5rem; height: 5rem;}  .salesOne .right .item .con {margin-left: 1rem;}  .salesOne .right .item .p1 {font-size: var(--font20);}  .salesOne .right .item .p2 {font-size: var(--font16);}  .salesOne .left .t1 {text-align: center;}  .salesTwo {padding: 4rem 0;}  .salesTwo .salesTle .t2 {font-size: var(--font16);}  .salesTwo .t3 {font-size: var(--font16); margin-top: 1.5rem;}  .salesTwo ul {flex-wrap: wrap; justify-content: space-between;}  .salesTwo li {flex: none; width: 48%; margin: 0; margin-bottom: 1rem; height: 20rem;}  .salesTwo li .show {bottom: 0;}  .salesTwo li .num {font-size: 2.5rem;}  .salesTwo li .p1 {font-size: var(--font20);}  .salesThre .salesTle .t2 {font-size: var(--font16);}  .salesThre .cirleInfo {width: 24rem; height: 24rem;}  .salesThre .cirle2 {width: 140%; height: 140%;}  .salesThre .list li {}  .salesThre .list li .icBox {width: 4.5rem; height: 4.5rem;}  .salesThre .list li span {font-size: var(--font18);}  .salesThre .list li:nth-child(1) {left: 0; top: -50%;}  .salesThre .list li span {right: auto !important; left: 50% !important; top: 0% !important; transform: translate(-50%, -120%) !important;}  .salesThre .list li:nth-child(2) {left: 50%; top: -60%; transform: translateX(-50%);}  .salesThre .list li:nth-child(3) {left: 100%; top: -50%; transform: translateX(-100%);}  .salesThre .list li:nth-child(4) {left: 0%; top: -15%; }  .salesThre .list li:nth-child(5) {left: 50%; top: -30%; transform: translateX(-50%);}  .salesThre .list li:nth-child(6) {left: 100%; top: -15%; transform: translateX(-100%);}  .salesThre .cirleInfo .item .info {width: 80%; padding-top: 6%;}  .salesThre .cirleInfo .item .info .p1 {font-size: var(--font24);}  .salesThre .cirleInfo .item .info .p2 {font-size: var(--font14);}  .salesFour .box {min-height: 20rem; padding: 3rem 0;}  .salesFour .p1 {width: 100%; font-size: var(--font18);}    /* 视频 */  .serve_video_list .list {grid-template-columns: repeat(2, 1fr); gap: 1rem;}  .serve_video_list .list li .videoBox {height: 12rem;}  .serve_video_list .list li .info {padding: 1rem; padding-top: 2rem;}  .serve_video_list .list li .tit {font-size: var(--font18);}  /* 辅助设备 */  .devicelist .list {grid-template-columns: repeat(2, 1fr); gap: 1rem;}  .devicelist .list li {padding: 1rem;}  .devicelist .list li .more1 {margin-top: 1.5rem;}  /* 常见问题 */  .question-banner .searchBox {margin-top: 6rem;}  .question-banner .searchBox .form {width: 60%;}  .search_nav ul {gap: 2rem;}  .search_nav li a {font-size: var(--font18);}  /* 联系我们 */  .tactOne .box {padding: 2rem; border-radius: 1rem;}  .tactOne ul {flex-wrap: wrap; justify-content: space-between;}  .tactOne li {width: 48%; margin-bottom: 2rem;}  .tactOne li .icon {height: 2rem;}  .tactOne li .p1 {margin-top: 1.25rem; font-size: var(--font20);}  .tactOne li .p2 {margin-top: .625rem; font-size: var(--font16);}  .tactOne li .p3 {font-size: var(--font16);}  .tactOne .mapBox {margin-top: 2rem;}  .tactTwo {padding: 3rem 0;}  .tactForm .re {width: 100%; margin-top: 2rem;}  .tactForm .form .sub {display: flex; justify-content: center;}}/* ======================================================移动端========================================================= */@media (max-width: 639px) {  .serve_video_list .list {grid-template-columns: repeat(1, 1fr);}  /* 常见问题 */  .question-banner .searchBox .p1 {text-align: center; width: 100%;}  .question-banner .searchBox .form {width: 100%; margin-top: 1rem; height: 3.5rem;}  /* 解决方案 */  .soulOne ul {grid-template-columns: repeat(1, 1fr);}}/* 超小设备（手机，小于 576px） */@media (max-width: 576px) {  /* 首页 */  .indexFour .list li .imgBox {height: 6rem;}  /* 产品列表 */  .proOne .list li .imgBox {height: 6rem;}  /* 产品详情 */  .proDateOne .swiperOne .slide .imgBox {height: 20rem;}  /* 应用范围 */  .scopelist .list li .imgBox {height: 10rem;}  /* 辅助设备 */  .devicelist .list li .imgBox {height: 8rem;}  /* 解决方案 */  .soulOne li .imgBox {height: 15rem;}    /* 新闻中心 */  .newslist .list li .imgBox {height: 11rem;}}