body{font-family:"Microsoft Yahei";font-size:14px;color:#5B5B5B; padding:0; margin:0;}
input , textarea , select{font-family:"Microsoft Yahei"; color:#5B5B5B; font-size:14px;}

/** 头部 **/
.site-header{position:absolute;top:0;left:0;width:100%;z-index:1000;background:transparent;transition:background 0.3s ease,box-shadow 0.3s ease}
.site-header.position-type{position:fixed;top:0;left:0}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 16px rgba(0,0,0,0.08)}
.header-inner{max-width:1200px;margin:0 auto;height:72px;padding:0 24px;display:flex;align-items:center;justify-content:flex-start;}
.logo-wrap img{height:36px}
.nav {margin-left: 250px;}
.nav ul{display:flex;gap:40px;list-style:none;padding:0;margin:0}
.nav a{text-decoration:none;color:#333;font-size:16px;font-weight:500;position:relative;}
.nav a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:#409eff;transition:width 0.3s ease}
.nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:24px; margin-left: auto;}
.lang-switcher{position:relative;font-size:14px;cursor:pointer;}
.lang-current{display:flex;align-items:center;gap:6px}
.lang-current img{width:12px}
.lang-opts{position:absolute;right:0;top:120%;background:#fff;border:1px solid #eee;list-style:none;padding:4px 0;margin:0;display:none;min-width:80px}
.lang-opts li{padding:8px 16px}
.lang-opts li:hover{background:#f5f7fa}
.lang-switcher:hover .lang-opts{display:block}
.menu-toggle{display:none;width:24px;height:18px;flex-direction:column;justify-content:space-between;cursor:pointer}
.menu-toggle span{height:2px;background:#333;border-radius:2px}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-top:1px solid #eee}
.mobile-menu a{padding:14px 24px;text-decoration:none;color:#333;border-bottom:1px solid #f2f2f2}
.mobile-lang{padding:16px 24px}
.mobile-lang .label{font-size:12px;color:#999;display:block;margin-bottom:8px}
.mobile-lang .opts a{margin-right:16px;color:#409eff;text-decoration:none}

/** bg **/
.main{ width:100%;min-height: 100vh; position:relative; z-index:2;}

/** banner **/
.banner{ width:100%; overflow:hidden; height:auto; margin:0px auto;}
.banner-items { width:100%;object-fit:cover; object-position: center; }
.module-container {width: 100%;background:#FFF;padding:15px 0;box-sizing: border-box;}
.module-container .module-title { width:100%; padding:50px 0; text-align:center; font-size:36px; color:#000; font-weight:bold; }
.module-container .module-title .module-name {color:#f77a2d; font-weight:bold;}
.single-page-module {padding: 60px 16px 124px;}

/** 产品轮播 **/
.marquee-wrap{width:1200px;margin:0 auto;overflow:hidden}
.marquee-swiper{width:100%}
.marquee-swiper .swiper-wrapper{height:auto;transition-timing-function:linear !important}
.marquee-swiper .swiper-slide{width:300px;min-width:200px;padding:16px;background:#f5f7fa;border-radius:8px;margin-right:16px;text-align:center;white-space:nowrap;border:1px solid #ddd}
.pd{width:100%;display:flex;flex-direction:column;align-items:center;gap:8px}
.pd-pic{width:370px;max-width:100%;background-color:#f7f8fa;border-radius:10px;display:flex;align-items:center}
.pd-pic > img{width:100%;object-fit:contain;}
.pd-name{font-size:18px;font-weight:bold;color:#606266;text-align:center}

/** 产品预览 **/
#cover{position:fixed;top:0;bottom:0;left:0;right:0;z-index:9990;background-color:rgba(0,0,0,.64);display:none}
.preview-img{display:none;max-height:90vh;max-width:90vw;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}
.icon-close{position:absolute;right:10%;top:40px;width:48px;height:48px;cursor:pointer;transition:all linear 0.2s}
.icon-close:hover{transform:rotate(90deg)}

/** 产品 **/
.module-product {padding: 60px 15px;}
.product-list{max-width:1800px;margin:40px auto;padding:0 16px;}
.product-item{display:flex;gap:32px;padding:24px 28px;background:#ffffff;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,0.06);transition:all 0.2s ease;}
.product-item:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(0,0,0,0.1);}
.pd-info{flex:0 0 680px;display:flex;flex-direction:column;}
.pd-title{margin:0 0 10px;font-size:18px;font-weight:600;color:#1f2d3d;}
.pd-desc{margin:0 0 18px;font-size:16px;line-height:1.6;color:#5f6b7a;}
.pd-specs{margin:0;padding:0;list-style:none;border-top:1px dashed #e5eaf0;}
.pd-specs li{display:flex;justify-content:flex-start;padding:10px 0;font-size:15px;}
.pd-specs .label{color:#8a94a6;flex: 0 0 220px}
.pd-specs .value{color:#2f3a4a;font-weight:500;max-width: 60%;}
.pd-gallery{flex:1;display:grid;grid-template-rows:auto 1fr;gap:12px;}
.pd-gallery-top{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.pd-gallery img{width:100%;object-fit:contain;border-radius:12px;background:#fff;border-radius:12px;border:1px solid #e6eaf0;box-shadow:0 4px 10px rgba(0,0,0,0.06);}
.pd-gallery-top img{height:220px;}
.pd-gallery-bottom{height:220px;}
.pd-gallery-bottom img{width:100%;object-fit:contain;object-position:center;}
.show-detail{margin-top:auto;align-self:flex-start;padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600;letter-spacing:0.4px;color:#2f3a4a;background:#f6f8fb;border:1px solid #e1e6ee;cursor:pointer;user-select:none}
.show-detail:hover{background:#eef2f7;border-color:#d5dbe5;text-decoration:none}
.show-detail:active{transform:translateY(1px)}
.show-detail::after{content:" →";display:inline-block;margin-left:4px;transition:transform 0.2s ease}
.show-detail:hover::after{transform:translateX(4px)}

/** 荣誉列表 **/
.honor-data{max-width:1800px;margin:40px auto;padding:0 16px;}
.honor-list{display:flex;align-items:center;margin:0;padding:22px 0;list-style:none;background:linear-gradient(90deg,#f76a1d,#f77a2d 40%,#ff8f4d);border-radius:16px;box-shadow:0 12px 30px rgba(247,122,45,0.35);}
.honor-item{flex:1;text-align:center;padding:8px 12px;position:relative;}
.honor-item:not(:last-child)::after{content:"";position:absolute;right:0;top:18%;width:1px;height:64%;background:linear-gradient(to bottom,transparent,rgba(255,255,255,0.45),transparent);}
.honor-value{font-size:30px;font-weight:700;line-height:1.2;color:#ffffff;letter-spacing:0.5px;}
.honor-label{margin-top:6px;font-size:14px;font-weight:500;color:rgba(255,255,255,0.85);letter-spacing:1px;text-transform:uppercase;}
.honor-item:hover{transform:translateY(-2px);}

/** 关于我们 **/
.about-content{max-width:1200px;margin:35px auto 80px;padding:0 16px;display:grid;grid-template-columns:1.1fr 0.9fr;align-items:center;gap:48px;}
.about-content .intro{max-width:980px;}
.about-content .intro p{margin:0;font-size:18px;line-height:1.9;color:#4a5568;letter-spacing:0.2px;}
.company-picture{position:relative;width:100%;aspect-ratio:4 / 3;max-height:420px;min-height:260px;overflow:hidden;}
.company-picture img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,0.12);}
.company-picture::before{content:"";position:absolute;inset:-12px;border-radius:20px;border:1px solid #e5eaf0;z-index:-1;}

/** 底部 **/
.fixed-footer {position:absolute;bottom:0;left:0;}
.foot{ width:100%; background:#f77a2d; padding:40px 0; text-align:center; font-size:14px; color:#FFF;}
.foot > p {margin-bottom: 6px;}
.foot .beian {display:flex;justify-content: center;align-items:center;gap: 6px;}
.foot .beian > a{color: #fff;}

/** 联系 **/
.contact-container{max-width:1800px;margin:0 auto}
.contact-title{text-align:center;margin-bottom:32px;font-size:24px;font-weight:600;color:#1f2d3d}
.contact-card{background:#ffffff;padding:32px 28px;border-radius:16px}
.contact-item{display:flex;gap:16px;padding:16px 0}
.contact-item:not(:last-child){border-bottom:1px dashed #e5eaf0}
.contact-item .icon{flex:0 0 28px;height:28px;border-radius:6px;background:#f0f4fa;display:flex;align-items:center;justify-content:center;font-size:16px}
.contact-item .content h4{margin:0 0 4px;font-size:18px;font-weight:600;color:#4c5d73}
.contact-item .content p{margin:0;font-size:18px;line-height:1.6;color:#1f2d3d}
.contact-phone{font-weight:600;letter-spacing:0.5px}
.contact-qrcode{margin-top:28px;padding-top:24px;text-align:center;border-top:1px dashed #e5eaf0}
.contact-qrcode img{width:160px;height:160px;border-radius:12px;border:1px solid #e1e6ee;background:#fff}
.contact-qrcode p{margin-top:10px;font-size:16px;color:#5f6b7a}