*{padding: 0;margin: 0;font-family: "微软雅黑";/* font-size: 14px; */color: #333;}
a{text-decoration: none;}
ul,ol{list-style: none;}
img{border: none;max-width: 100%;height: auto;}
input,textarea{outline: none;
}
body{background:white;}

.pubcon{width: 1400px;margin: 0 auto; }
.pubtit{text-align: center;padding: 10px 0 10px 0;}
.pubtit h2{font-size: 32px;font-weight: 400;}
.pubtit .line{width: 60px;height: 4px;background: #ffab17;display: inline-block;margin-top: 10px;border-radius: 20px;}


/* header¨ */
.header{height: 100px;width: 100%;background: rgba(255, 255, 255, 0);position: fixed;z-index: 10;left: 0;top: 0;}
.scrolled {background-color: #162553c2; /* 深色背景颜色 */}
.hdcon{display: flex;justify-content: space-between;align-items: center;height: 100%;}

.hdnav ul{display: flex;background: ;}
.hdnav ul li{height: 100px; position: relative;flex-direction: inherit;}
.hdnav ul a{display: block;font-size: 18px;padding: 0 30px;transition: 0.3s;color: #fff;position: relative;line-height: 100px;font-weight: 600;cursor: move;}
.hdcon li:hover a{color: rgb(145 145 145);}
.hdnav li a:after{content: "\e686";display: block;position:absolute;right: 13px;top: 0;font-size: 10px;}
.hdnav li ul{position: absolute; visibility: hidden; opacity: 0;display: inline-flex;flex-direction: column;background: #ffab17;top: 130%;transition: 0.5s;}
.hdnav li:hover ul{opacity: 1;visibility: visible;top: 100%;}
.hdnav li ul li{width: 200px;height: 60px;}
.hdnav li ul li a{color: white !important;line-height: 60px;}
.hdnav li ul li a::after{content: "";}
.hdnav li ul li:hover{background:#888;}
.hdnav li ul li:hover a{}

/* banner */
  #n-banner{width: 100%;}
.banner{position: relative;width: 100%;}
.banner .swiper-slide a{display: block;height: 930px;background: no-repeat;letter-spacing: 5px;background-position: center center;background-size: cover;}
.banner .swiper-slide a.small{display: none;}
.swiper-button-next:after, .swiper-rtl .swiper-button-prev:after {color: white;}
.swiper-button-prev:after, .swiper-rtl .swiper-button-next:after{color: white;}
.swiper-button-prev, .swiper-rtl .swiper-button-next:hover{color: red;}
.banner .img-text{position: absolute;top: 27%;left: 20%;width: 50%;}
.banner .img-text h2{color: white;font-size: 70px; line-height: 1.5;letter-spacing: 10px;}
.banner .img-text h3{ color: white;font-size: 40px;line-height: 2.2;letter-spacing: 5px;}
.banner .img-text p{font-size: 19px;color: white;line-height: 1.5;width: 48%;}
.banner .img-text .img-button{display: flex;}
.banner .img-text .img-button a{justify-content: space-around;align-items: center;width: 170px;height: 55px;background: #ebab2c;text-align: center;
    line-height: 55px;border-radius: 4px; margin: 55px 0;font-weight: bold;font-size: 18px;color: white;transition: 0.7s;}
.banner .img-text .img-button a:nth-child(2){background: white;margin-left: 23px;color: #3150a0;}
.banner .img-text .img-button a:hover{background: white;color: #ebab2c;}
.banner .img-text .img-button a:nth-child(2):hover{background: #ebab2c;color:white;}

/* 产物展示 */
.procon{box-sizing: border-box;padding: 50px 0;}
.filter-buttons {display: flex;justify-content: center;gap: 20px;margin-bottom: 30px;}

.filter-btn { padding: 12px 24px;border: none;border-radius: 25px; background-color: #f0f0f0;cursor: pointer;transition: all 0.3s ease;}

.filter-btn:hover {background-color: #1c50a2;color: white;}

.products-grid {display: grid;grid-template-columns: repeat(4, 1fr);gap: 30px;}

.product-item {border-radius: 10px; overflow: hidden;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);transition: transform 0.3s ease;width: ;}

.product-item:hover {transform: translateY(-5px);}

.product-image {/*! width: 100%; *//*! height: 350px; *//*! object-fit: cover; */}

.product-name {padding: 15px;text-align: center;background-color: #fff;}
.product-name h1{font-size: 16px;}
/*  */
/* about */
.about-us{background: url(/template/default/images/about-image.jpg) no-repeat center; overflow: hidden;height: 750px;background-size: 100%;}
.aboutcon{position: relative;}
.about-text{padding: 80px 30px 100px 0; box-sizing: border-box;display: flex; flex-direction: column; width: 50%;}
.about-text h2{font-size: 18px; font-weight: 400;line-height: 50px;color: white;font-family: 'Fira Sans', sans-serif;}
.about-text p{text-indent: 30px;padding: 10px 0 40px;box-sizing: border-box;}
.about-text p a{font-size: 15px;font-family: '微软雅黑';line-height: 30px;color: white;letter-spacing: 1px;text-indent: ;}
.about-text p a:hover{color:rgba(255, 255, 255, 0.84);}
.about-text h3{font-size: 35px; line-height:50px;font-weight: 800;color: white;letter-spacing: 3px;}
.about-text h3:after{display: block; content: '';width: 115px; height: 4px;border-radius: 30px;background: #ffab17;margin-top: 9px;}
.about-text span{font-size: 21px; font-family: '微软雅黑';color:white;line-height: 30px;font-weight: 501;line-height: 47px;}
.about-text span i{color: #ffab17;padding-right:20px;font-size: 22px;}
.about-text span i::before{content: "\e69e"}
.about-text span:hover i{color: #fff;}
 #about-link{background: #ffab17;line-height: 8px; padding: 20px;width: 110px;text-align: center;border-radius: 36px;margin-top: 25px;color: white;font-size: 16px;font-weight: bold;}
 /* VR按钮样式 */
 
 .vr-button{position: absolute;content: '';width: 80px;height: 80px;background:#ff3c00; border-radius: 50%; animation-fill-mode: both;color: white;
    border: none;transition: 0.5s;right: 5%;cursor: pointer;z-index: 1;top: 75%;}
 .vr-button::before{content: "";position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: #ff3c00;border-radius: 50%;z-index: -1;cursor: pointer;
       
    -webkit-animation: witr-shadow 1s linear infinite;animation: witr-shadow 1s linear infinite;-webkit-transition: 0.5s;}
    @keyframes witr-shadow {
        0% {
          box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3), 0 0 0 10px rgba(255, 255, 255, 0.3), 0 0 0 20px rgba(255, 255, 255, 0.3);
        }
  
        100% {
          box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.3), 0 0 0 20px rgba(255, 255, 255, 0.3), 0 0 0 30px rgba(255, 255, 255, 0);
        }}
 
 /* VR模态框样式 */
 .vr-modal {display: none;position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0,0,0,0.8);z-index: 9999;}
 .vr-content {width: 90%;height: 80vh;margin: 5% auto;position: relative;}
 .close {position: absolute;right: 20px;top: -60px;color: white;font-size: 30px;cursor: pointer;z-index: 1;}
 a-scene {width: 100%;height: 100%;}

/* 案例 */
.case{background: url(/template/default/images/case-bg.jpg) top no-repeat;background-size: cover;overflow: hidden;padding-bottom: 200px;}
.casecon{position: relative;}
.casetit{padding-top: 50px;}
.casetit h2{}
.case ul, .case li {margin: 0;padding: 0;list-style: none;}
.case-pre ul {display: flex;justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.case-pre li {position: relative; flex: 1; min-width: 200px; max-width: 300px; }

.case-pre li img {display: block;width: 100%;height: auto;margin: 0 auto;}
.case-text {position: absolute;bottom:-85px;left: 50%;transform: translateX(-50%);width: 90%;text-align: center;background: rgba(255, 255, 255);padding: 40px 15px 40px;box-sizing: border-box;box-shadow: 3px 6px 5px #0000001c;border-bottom: 4px solid #ffab17;transition: 0.5s;}
.case-text:hover{background: #ffab17;border-bottom: 4px solid #919191;}
.case-text h1 {margin: 0 0 10px 0;font-size: 18px;color: #333;transition: 0.5s;}
.case-text:hover h1{color: white;}
.case-text p {margin: 0;font-size: 14px;color: #666;transition: 0.5s;height: 35px;overflow: hidden;}
.case-text:hover p{color: white;}
.case-text a {text-decoration: none;color: inherit;}
.case-text i{width: 50px;height: 50px;border-radius: 50%;background: yellow;margin: -74px  auto 20px;display: inline-block;}.case-text i{width: 60px;height: 60px;border-radius: 50%;background: #fff;margin: -69px auto 20px;display: block;box-shadow: 1px 3px 17px #dfdfdfb2;color: #ffab17;text-align: center;line-height: 60px;font-size: 35px;}.pubtit h2 {text-align: center;margin-bottom: 15px;}
.line {width: 50px;height: 2px;background: #333;margin: 0 auto 30px;}

/* 公司实力 */
.strength{background: url(/template/default/images/strength-bg.jpg) center no-repeat;background-size: cover;}
.strcon{padding-bottom: 90px;}
.strtit{padding-top: 80px;}
.strtit h2{color: white;}
.strtit span{color: white;line-height: 33px;text-transform: uppercase;letter-spacing: 2px;}
.strtit p{color: white;}
.strtit .line{margin-bottom: 5px;}
.strength-sub{display: flex; flex-direction: row;width: 100%; padding: 10px; box-sizing: border-box;}
.strength-sub-nub{width: 25%;display: flex;flex-direction: row;}
.strength-sub-nub i{color: #ffab17;font-size: 55px;}
.strength-sub-nub:hover i{color: white;}
.sub-text-h{text-align: center;}
.strength-sub-text h3{color: white;font-size: 35px;text-align: center;}
.strength-sub-text span{color: white;font-size: 30px;}
.strength-sub-text h4{color: white;text-align: center;width: 81%;margin: 0 auto;font-size: 17px;font-weight: 400;}
.srtmenu{margin: 0 auto;background: #ebab2c;width: 135px;margin-top: 40px;border-radius: 5px;transition: 0.5s;}
.srtmenu a{line-height: 50px; color: white;text-align: center;display: block;font-weight: 600;font-size: 17px;letter-spacing: 2px;}
.srtmenu:hover{background: white;}
.srtmenu:hover a{color: rgb(255, 171, 23);}
.counter {display: inline-block;transition: transform 0.1s ease;}

/* 数值跳动时的轻微放大效果 */
 .counter:hover {transform: scale(1.3);} 

 /* news */
 .newscon{}
 .newstit{}
 /* 新闻部分样式 */
 .newscon {max-width: 1400px;margin: 0 auto;padding: 50px 0 0;position: relative;}
.news-container {width: 100%;overflow: hidden;position: relative;background: #fcfcfe;padding: 25px 0 60px;box-sizing: border-box;}
.news-wrapper {display: flex;transition: transform 0.5s ease;width: 100%;}
.news-sub {flex: 0 0 calc(25% - 30px);margin: 0 15px;background: #fff;box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);border-radius: 3px;overflow: hidden;transition: all 0.3s ease;}
.news-sub:hover {transform: translateY(-5px);box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);}
.news-img {position: relative;overflow: hidden;}
.news-img img {width: 100%;height: 315px;object-fit: cover;transition: transform 0.3s ease;}
.news-img:hover img {transform: scale(1.1);}
.news-img::after {content: '';position: absolute;top: -100%; left: 0;right: 0;height: 100%; background: rgba(0, 0, 0, 0.459);transition: top 0.5s ease; }
.news-img:hover::after {top: 0; /* 滑入到顶部 */}
.news-text {padding: 20px;}
.news-text b {color: #666;font-size: 14px;font-weight: 400;}
.news-text span {float: right;color: #999;font-size: 14px;}
.news-text h1 {margin: 10px 0;font-size: 21px;}
.news-text h1 a {color: #181b1d;text-decoration: none;font-size: 18px;font-weight: 500;letter-spacing: 1px;font-family: “黑体”;}
.news-text p {color: #999999;line-height: 1.6;font-size: 14px;}
.news-text p a {text-decoration: none;color: #999999;font-family: 'Rubik', sans-serif;font-weight: 400;font-style: normal;font-size: 15px;line-height: 1.6;}
.news-nav {text-align: center;margin-top: -47px;z-index: 7;position: relative;}
.news-prev,.news-next {background: #f0f0f0;border: none;width: 35px;height: 35px;border-radius: 0;margin: 0 10px;cursor: pointer;transition: all 0.3s ease;}
.news-prev:hover,.news-next:hover {background: #e99412;color: #6e6e6e;border-radius: 50%;}
.news-prev:hover i,.news-next:hover i{color: white;}
.news-next{transform: rotateX(180deg);}
.news-next:hover{transform: rotateX(180deg);}
.news-prev i,.news-next i{font-size: 24px;}
.newsart{padding: 20px;width: 100%;box-sizing: border-box;margin-top: 20px;}
.newsart ul{box-sizing: border-box;display: flex;flex-wrap: wrap;justify-content: space-between;}
.newsart ul li{width: 30%;padding: 10px;box-sizing: border-box;background: url(/template/default/images/news_sanjiao.png) left no-repeat;}
.newsart ul li span{float: right;color: #9b9b9b;}
/*  honor*/
.honcon{width: 100%; padding: 20px 20px 50px; box-sizing: border-box; background-color: #4d597c;background-image: url(/template/default/images/honor-bg.jpg);background-size: 100%;}
.honor {overflow: hidden;position: relative;box-shadow: 0px 9px 20px #00000059;background: white;}
.hontit h2{color: #333;}
.honor ul {display: flex;margin: 0;padding: 0;list-style: none;width: 200%; /* 双倍宽度用于无缝滚动 */animation: scroll 20s linear infinite;}
.honor ul li {width: 10%;flex-shrink: 0; /* 防止 flex 压缩 */;padding: 10px;box-sizing: border-box;text-align: center; /* 使内容居中 */}
.honor ul li a {display: block;}
.honor ul li a img {width: 100%;height: auto;display: block;margin: 0 auto; /* 图片水平居中 *//*! box-shadow: 0px 6px 22px #1e1e1e87; */}
@keyframes scroll {
  0% {transform: translateX(0);}
  100% {transform: translateX(-50%); /* 移动一半的宽度 */}
}
/* link */
.link{width: 100%;background: #ffad30;overflow: hidden;}
.link p{font-size: 20px;color: white;line-height: 70px;float: left;}
.link ul{float: left;width: 75%;}
.link ul li{float: left;padding: 0 10px;}
.link ul li a{font-size: 16px; color: white;line-height: 70px;}
.link ul li a:hover{color: rgba(255, 255, 255, 0.623);}

/* footer */
.footer{background: #333;}
.footup-con{display: flex;flex-direction: row;justify-content: space-between;padding: 50px 0 40px;}
.foot-logo{width: 10%;}
.foot-logo img{width: 100%;}
.foot-logo p{font-size: 18px;color: white;display: none;}
.foot-nav{width: 70%;}
.foot-nav ul{display: flex;flex-direction: row;justify-content: space-between;}
.foot-nav ul li{width: ;text-align: center;color: white;line-height: 60px;}
.foot-nav ul li a{color: white;}
.footdown-con{display: flex;flex-direction: row;justify-content: space-between;padding: 40px 20px;border-top: 1px solid #6c6c6c7d;box-sizing: border-box;}
.footdown-con p{color: rgb(96, 96, 96);}
.record{display: flex;flex-direction: row;background: #424242;padding: 5px;}
.record p{font-size: 15px; line-height: 50px; color: #262626;text-align: center;margin: 0 auto;}
.record p a{color: #262626;}
.record p a:hover{color: #888;}
.mobile-bottom-nav{display: none;}
/* 邮箱订阅表单样式 */
.subscribe-form {display: flex;margin-top: -15px;}

.subscribe-form input {flex: 1;padding: 10px 10px;border: 1px solid #ddd;border-radius: 4px 0 0 4px;font-size: 12px;outline: none;width: 230px;text-align: center;}

.subscribe-form button {padding: 10px 20px;background-color: #ffad30;color: white;border: none;border-radius: 0 4px 4px 0;cursor: pointer;transition: background-color 0.3s;}

.subscribe-form button:hover {background-color: #e99412;}

.subscribe-tip {margin-top: 8px;font-size: 12px;color: #999;}

/*  */
@media (max-width: 1800px) {
    /* banner */
.banner .img-text{position: absolute;top: 30%;left: 15%;}
.banner .img-text h2{font-size: 60px; letter-spacing: 5px;transition: 0.5s;}
.banner .img-text h3{font-size: 35px;line-height: 2.2;letter-spacing: 5px;transition: 0.5s;}
.banner .img-text p{font-size: 15px;line-height: 1.5;width: 35%;transition: 0.5s;}
.banner .img-text .img-button{display: flex;}
.banner .img-text .img-button a{width: 130px;height: 50px;line-height: 50px;margin: 50px 0;font-weight: 800;font-size: 16px;transition: 0.7s;}

}
@media (max-width: 1199px) {
    /* banner */
    .banner .img-text{position: absolute;top: 30%;left: 15%;}
    .banner .img-text h2{font-size: 50px;letter-spacing: 5px;transition: 0.5s;}
    .banner .img-text h3{font-size: 30px;line-height: 2.2;letter-spacing: 5px;transition: 0.5s;}
    .banner .img-text p{font-size: 15px;line-height: 1.5;width: 30%;transition: 0.5s;}
    .banner .img-text .img-button{display: flex;}
    .banner .img-text .img-button a{width: 20%;height: 50px;line-height: 50px;margin: 12px 0;font-weight: 800;font-size: 1rem;transition: 0.7s;}  
    .swiper-pagination-bullet{background-color: #ebab2c;}

/* 产物展示 */
.procon{padding: 50px; box-sizing: border-box;}
.filter-buttons {display: flex;justify-content: center;gap: 20px;margin-bottom: 30px;flex-wrap: wrap;gap: 10px;}

.filter-btn {padding: 12px 24px;border: none;border-radius: 25px;background-color: #f0f0f0;cursor: pointer;transition: all 0.3s ease;}

.filter-btn:hover {background-color: #1d50a2;color: white;}

.products-grid {display: grid;grid-template-columns: repeat(3, 1fr);gap: 30px;}

.product-item {border-radius: 10px;overflow: hidden;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);transition: transform 0.3s ease;}

.product-item:hover {transform: translateY(-5px);}

.product-image {width: 100%;height: 370px;object-fit: contain;}

.product-name {padding: 15px;text-align: center;background-color: #fff;}
.product-name h1{font-size: 15px;}

.newsart ul li span{font-size: 12px;}
.newsart ul li{padding: 2px 1px 3px 7px;}
/*  */
}

/*  */
/* 响应式布局 - 移动端优先 */

@media (max-width: 767px) { 
    /* 基础调整 */
  .pubcon { width: 100%; padding: 0 15px; box-sizing: border-box; } 
    /* 遮罩层样式 */
.mobile-menu-overlay {position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0, 0, 0, 0.89);z-index: 10;display: none;opacity: 0;
  transition: opacity 0.3s ease;}
.mobile-menu-overlay.active {display: block;opacity: 1;}
    /* 头部导航 */
  .header { height: 60px; } .hdlogo img { height: 40px; } 
  .hdnav { display: none; position: fixed; top: 60px; left: 0; width: 100%; background: #162553; z-index: 1000; } 
  .hdnav.active { display: block; } 
  .hdnav ul { flex-direction: column; } 
  .hdnav ul li { height: auto; width: 100%; } 
  .hdnav ul li a { line-height: 50px; padding: 0 20px; }
  .hdnav ul li ul { position: static; display: none; width: 100%; } 
  .hdnav ul li:hover ul { display: block; } 
    /* 移动菜单按钮 */
  .mobile-menu-toggle { display: flex; flex-direction: column; justify-content: space-between; width: 30px; height: 20px; cursor: pointer; margin-right: 15px; } 
  .mobile-menu-toggle span { display: block; width: 100%; height: 3px; background: white; transition: all 0.3s; } 
  .mobile-menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); } 
  .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; } 
  .mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); } 
    /* 轮播图 */
  
  .banner .swiper-slide a { height: 340px; width: 100%;} 
  .banner .img-text { top: 20%; left: 10%; width: 80%; } 
  .banner .img-text h2 { font-size: 20px; letter-spacing: 2px; } 
  .banner .img-text h3 { font-size: 17px; letter-spacing: 1px;} 
  .banner .img-text p { font-size: 14px; width: 50%; height: 119px;} 
  .banner .img-button { flex-direction: row; align-items: flex-start; } 
  .banner .img-button a { width: 120px; height: 40px; line-height: 40px; font-size: 14px; margin: 10px 0; } 
    /* 产物展示 */
  .procon { padding: 30px 15px; } .filter-buttons { flex-wrap: wrap; gap: 10px; } 
  .filter-btn { padding: 8px 15px; font-size: 12px; } 
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; } 
  .product-name h1{font-size: 14px;}
  .product-image { height: 225px; } 
    /* 对于我们 */
  .about-us { height: auto; background: url(/template/default/images/about-pho.jpg) no-repeat top center; } 
  .about-text { width: 100%; padding: 0 15px; margin-top: 35px; } 
  .about-text h3 { font-size: 20px; } 
  .about-text p { font-size: 14px; margin: 0 auto 0;padding: 0 0 10px;} 
  .about-text span { font-size: 16px; } 
 
  .vr-button { position: relative; top: -100px; right: 25px; margin: 20px auto; display: block; float: right; width: 60px;height: 60px;} 
  .close { top: -40px } 
   /* 安装案例 */
  .case { padding-bottom: 49px; } 
  .case-pre{width: 100%;padding: 0 10px;box-sizing: border-box;margin: 0 auto;}
  .case-pre ul { align-items: center; flex-direction: row; display: flex; } 
  .case-pre li { max-width: 50%; margin-bottom: 100px; min-width: 45%; } 
  .case-text h1{font-size: 16px;height: 20px;overflow: hidden;}
  .case-text{padding: 15px 5px 5px;}
    /* 公司实力 */
  .strength-sub { flex-wrap: wrap; } 
  .strength-sub-nub { width: 50%; margin-bottom: 20px; } 
  .srtmenu { margin: 0 auto 10px; } 
  .strength { padding-bottom: 50px; } 
  .strength-sub-text h3{font-size: 25px;}
   /* 新闻中心 */
  .news-sub { flex: 0 0 80%; margin: 0 10px; } 
  .newsart ul { flex-direction: column; } 
  .newsart ul li { width: 100%; border-bottom: 1px dashed #c6c6c6; } 
  .newscon { padding: 30px 15px 0; } 
  .news-container { padding: 15px 0 40px; } 
  .news-sub { flex: 0 0 calc(50% - 20px); margin: 0 10px; box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1); } 
  .news-img img { height: 150px; } 
  .news-text { padding: 15px; } 
  .news-text h1 { font-size: 16px; margin: 5px 0; } 
  .news-text p { font-size: 13px; line-height: 1.4; } 
  .news-text b, .news-text span { font-size: 12px; } 
  .news-nav { margin-top: -35px; } 
  .news-prev, .news-next { width: 30px; height: 30px; } 
  .news-prev i, .news-next i { font-size: 20px; } 
  .newsart { padding: 15px; } 
  .newsart ul { flex-direction: column; } 
  .newsart ul li { width: 100%; padding: 0px 0px 5px 10px; background-position: left center; } 
  .newsart ul li span { float: right; } 
    /* 荣誉证书 */
  .honor ul li { width: 15%; } 
  
  /* link */
  .link ul { max-width: 80%; min-width: 50%; } 
    /* 页脚 */
  .footup-con { flex-direction: column; } 
  .foot-logo {width: 70%;margin: 0 auto 20px;display: block;padding-top: 20px;} 
  .foot-logo img { width: 80px; height: auto; float: left; } 
  .foot-logo p { font-size: 1.2rem; color: white; line-height: 50px; float: right; font-weight: bold; display: block; } 
  .foot-nav { width: 100%; } 
  .foot-nav ul { flex-wrap: wrap; justify-content: center; } 
  .foot-nav ul li { /*! width: 20%; */ margin-bottom: 10px; line-height: 30px; padding: 0 10px;} 
  .footdown-con { flex-direction: column; text-align: center; } 
  .footdown-con p { margin-bottom: 10px; } 
  .mobile-bottom-nav {position: fixed;bottom: 0;left: 0;right: 0;height: 60px;background: #13479d;display: flex;
    justify-content: space-around;align-items: center;z-index: 9;box-shadow: 0 -2px 10px rgba(0,0,0,0.1);}
  
  .nav-item {display: flex;flex-direction: column;align-items: center;justify-content: center;color: white;text-decoration: none;
    font-size: 12px;flex: 1;height: 100%;}
  .nav-icon {font-size: 2rem;margin-bottom: 4px;color: white;}
  .nav-text {font-size: 12px;color: white;}
  /* 底部表单 */
  .footdown-con {display: flex;flex-wrap: wrap;justify-content: space-between;}    
  .footdown-con p {width: 100%;margin-bottom: 10px;}   
  .email-subscribe {display: block;width: 90%;padding-top: 20px;margin: 20px auto;}    
  .email-subscribe h3 {font-size: 16px;color: #fff;margin-bottom: 10px;}
  /* 确保内容不会被底部导航遮挡 */
  body {padding-bottom: 60px;}


} 
@media (min-width: 768px) and (max-width: 1023px) { 
    .pubcon { width: 100%; } 
    .hdnav ul a {font-size: 15px;padding: 3px 15px;} 
    .hdnav li a:after{display: none;}
    .banner .img-text { left: 10%; width: 60%; } 
    .banner .img-text h2 { font-size: 40px; } 
    .banner .img-text h3 { font-size: 24px; } 
    .banner .img-text p { font-size: 16px; width: 80%; } 
    .banner .swiper-slide a{height: 600px;}
    .products-grid { grid-template-columns: repeat(2, 1fr); } 
    .about-text { width: 90%; margin: 0 auto; } 
    .about-us { background: url(/template/default/images/about-pho.jpg) no-repeat center; } 
    .case-pre{width: 100%;padding: 0 10px;box-sizing: border-box;margin: 0 auto;}
    .strength-sub-nub { width: 50%; } 
    .news-sub { flex: 0 0 calc(50% - 30px); } 
    .footup-con { width: 80%; } 
    .footup-con { width: 90%; } 
    .foot-nav { width: 85%; } 
    .foot-nav ul { flex-wrap: wrap; justify-content: center; } 
    .foot-nav ul li { width: 20%; margin-bottom: 10px; line-height: 30px; } 
    .footdown-con { flex-direction: column; text-align: center; } 
    .footdown-con p { margin-bottom: 10px; } 
    .email-subscribe{margin:20px auto;width: 80%;}
    .newsart ul li{width: 32%;background-size: 1.5%;}
    .newsart ul li a{width: 66%;display: block;height: 20px;overflow: hidden;float: left;}
    .newsart ul li span{width: 30%; float:right;}
    .news-container{width: 98%;margin: 0 auto;}
  } 
  /* 小桌面设备响应式 */
@media (min-width: 1024px) and (max-width: 1199px) { 
  /* 轮播图 */
  .banner .img-text { left: 15%; } 
  .banner .img-text h2 { font-size: 50px; } 
  .banner .img-text h3 { font-size: 28px; } 
  .banner .swiper-slide a{height: 650px;}
  /*  */
  .about-text{width: 48%; padding-left: 1%;}
  .about-text p{padding: 0 0 10px;}
  .about-us{background-size: auto;}
  /*案例 */
  .case-pre{width: 100%;padding: 0 10px;box-sizing: border-box;margin: 0 auto;}
    /* 产物展示 */
  .products-grid {grid-template-columns: repeat(4, 1fr);} 
   /* 荣誉证书 */
  .honcon { width: 100%; } 
  .pubcon { width: 100%; } 
  .footup-con { width: 95%; } 
  .foot-nav { width: 85%; } 
  /* 底部表单 */
  .footdown-con {flex-wrap: nowrap;}
  .footdown-con p {width: auto;margin-right: 15px;margin-bottom: 0;}
  .email-subscribe {width: 300px;margin-top: 0;padding-top: 0;border-top: none;margin-left: auto;}
  .news-container{}
} 

@media (min-width: 768px) and (max-width: 879px) {
  .case-pre li{max-width: 50%; margin-bottom: 100px; min-width: 45%;}
  .banner .swiper-slide a{}
}

@media (min-width: 320px) and (max-width: 767px) {
  /* 适用于宽度在320px到767px之间的设备 */
  .banner .img-text .img-button a{width: 100px;height: 40px;line-height: 40px;}
  .subscribe-form input{font-size: 11px;}
  }

 @media screen and (max-width: 576px){
  .about-text h3{font-size: 18px;}
  .about-text p a{line-height: 27px;}
  .strength-sub-text h4{font-size: 14px;}
  
  .close{top: 2px;left: 15px;}
  #vrIframeContainer iframe{height: 89vh;}
  
 }