:root{
  --primary:#003A70;--primary-mid:#004B8F;--primary-dark:#00284F;--primary-darker:#001E3C;
  --accent:#0080C0;--accent-bright:#2E9EE0;--gold:#C9A24B;
  --ink:#16222E;--ink-2:#51616F;--ink-3:#8A98A6;
  --bg:#F1F5F9;--white:#fff;--line:#DCE7F1;
  --shadow:0 8px 28px rgba(0,44,84,.10);--shadow-hover:0 16px 40px rgba(0,58,112,.20);
  --radius:12px;--maxw:1600px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit}img{display:block;max-width:100%}ul{list-style:none}button{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;/* padding:15px; */}
/* ===== 页头 ===== */
.site-header{background:var(--white);border-bottom:1px solid var(--line);}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;padding-bottom:16px;}
.brand{display:flex;align-items:center;gap:16px;min-width:0}
.brand img{width:100px;height:80px;object-fit:contain}
.brand-txt .cn{font-size:25px;font-weight:800;color:var(--primary);letter-spacing:1px;line-height:1.25;white-space:nowrap}
.brand-txt .cn b{color:var(--accent)}
.brand-txt .en{font-size:12px;color:var(--ink-2);letter-spacing:.5px;white-space:nowrap}
.hotline{display:flex;align-items:center;gap:12px;flex-shrink:0}
.hotline .ico{width:50px;height:50px;flex:0 0 50px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,58,112,.3)}
.hotline .ico svg{width:24px;height:24px;fill:#fff}
.hotline .lab{font-size:12px;color:var(--ink-2)}.hotline .lab em{font-style:normal;color:var(--accent)}
.hotline .num{font-size:25px;font-weight:800;color:var(--primary);letter-spacing:1px;line-height:1.2;white-space:nowrap}
.hotline .sub{font-size:13.5px;color:var(--ink-2);white-space:nowrap}.hotline .sub b{color:var(--primary)}
/* ===== 导航（新结构·带下拉） ===== */
.nav{position:sticky;top:0;z-index:100;background:linear-gradient(90deg,var(--primary-darker),var(--primary) 40%,var(--primary-mid) 100%);box-shadow:0 4px 14px rgba(0,20,50,.25);}
.nav .wrap{display:flex;align-items:center;justify-content:center;position:relative}
.nav-menu{display:flex;align-items:center}
.nav-item{position:relative;display:block;padding:15px 26px;color:#E7F0F9;font-size:17px;font-weight:500;letter-spacing:2px;transition:background .2s,color .2s;white-space:nowrap}
.nav-item .arr{width:13px;height:13px;fill:currentColor;margin-left:6px;vertical-align:-2px;transition:transform .3s,fill .3s}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.12);color:#fff}
.nav-item.active::after{content:"";position:absolute;left:26px;right:26px;bottom:0;height:3px;background:var(--gold)}
.nav-item:hover::after{content:"";position:absolute;left:26px;right:26px;bottom:0;height:3px;background:var(--accent-bright)}
.has-drop{position:relative;margin:0}
.has-drop:hover .nav-item .arr{transform:rotate(180deg);fill:var(--gold)}
.dropdown{position:absolute;top:100%;left:50%;width:300px;background:#fff;border-radius:12px;box-shadow:0 18px 44px rgba(0,30,60,.22);opacity:0;visibility:hidden;transform:translateX(-50%) translateY(12px);transition:all .26s cubic-bezier(.2,.7,.3,1);z-index:120;overflow:hidden;border-top:3px solid var(--gold);padding:8px 0}
.dropdown a{display:flex;align-items:center;justify-content:space-between;padding:11px 24px;font-size:14px;color:var(--ink-2);letter-spacing:1px;border-bottom:1px solid #F0F5FA;white-space:nowrap;transition:all .18s}
.dropdown a:last-child{border-bottom:none}
.dropdown a:hover{background:linear-gradient(90deg,#EAF3FB,#F7FBFE);color:var(--primary);padding-left:28px}
.has-drop:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown .dd-title{display:flex;align-items:center;gap:8px;background:linear-gradient(90deg,var(--primary),var(--primary-mid));color:#fff;font-size:13.5px;letter-spacing:2px;padding:11px 22px}
.dropdown .dd-title svg{width:14px;height:14px;fill:var(--gold);flex:0 0 14px}
.nav-toggle{display:none}
/* ===== Banner 全屏轮播 ===== */
.banner{position:relative;overflow:hidden;box-shadow:var(--shadow);}
.banner .slides{position:relative;height:clamp(340px,42vw,580px);}
.banner .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;pointer-events:none;}
.banner .slide.on{opacity:1;pointer-events:auto;}
.banner .slide img{width:100%;height:100%;object-fit:cover;transform:scale(1);transition:transform 1.2s ease;}
.banner .slide.on img{animation:kb 7s ease-out forwards;}
@keyframes kb{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.12) translate(-1.5%,-1%)}}
.banner .slide.on .inner{animation:fadeUp 1s ease .2s both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.banner .slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,26,54,.55) 0%,rgba(0,26,54,.18) 45%,rgba(0,26,54,0) 75%);}
.banner .cap{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:100%;max-width:var(--maxw);padding:0 24px;color:#fff;z-index:2;pointer-events:none;}
.banner .cap .inner{max-width:680px}
.banner .cap .en-t{font-size:14px;letter-spacing:4px;color:var(--accent-bright);text-transform:uppercase;margin-bottom:14px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.banner .cap h2{font-size:44px;font-weight:800;letter-spacing:5px;text-shadow:0 3px 16px rgba(0,0,0,.5);line-height:1.3}
.banner .cap p{margin-top:14px;font-size:18px;letter-spacing:3px;text-shadow:0 2px 10px rgba(0,0,0,.5);opacity:.96}
.banner .cap .bar{width:56px;height:4px;background:var(--gold);margin:18px 0 0;border-radius:2px}
.banner .prev{left:28px}.banner .next{right:28px}
.banner .dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner .dots i{width:30px;height:5px;border-radius:3px;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.banner .dots i.on{background:var(--gold);width:44px}
/* ===== 面板/标题 ===== */
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.sec-head{display:flex;align-items:center;justify-content:space-between;padding:15px 22px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,#FAFCFF,#fff)}
.sec-head .t{display:flex;align-items:center;gap:12px}
.sec-head .t::before{content:"";width:5px;height:22px;background:linear-gradient(180deg,var(--accent),var(--primary));border-radius:3px}
.sec-head .t .cn{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:2px}
.sec-head .t .en{font-size:12px;color:var(--ink-3);letter-spacing:1px;text-transform:uppercase}
.sec-head .more{color:var(--accent);font-size:13px;letter-spacing:1px;transition:color .2s;display:flex;align-items:center;gap:3px}
.sec-head .more:hover{color:var(--primary)}
.sec-head .more svg{width:13px;height:13px;fill:currentColor}
/* ===== 首页主体 ===== */
.home-main{display:grid;grid-template-columns:320px 1fr;gap:26px;padding:20px 0 20px}
.cat-nav{padding:8px 0}
.cat-nav li{border-bottom:1px dashed #E6EEF5}
.cat-nav li:last-child{border-bottom:none}
.cat-nav a{display:flex;align-items:center;justify-content:space-between;padding:10.5px 20px 10.5px 36px;color:var(--ink-2);font-size:14.5px;position:relative;transition:all .2s}
.cat-nav a::before{content:"";position:absolute;left:18px;top:50%;transform:translateY(-50%) rotate(45deg);width:8px;height:8px;border:2px solid var(--accent);border-left:none;border-bottom:none;transition:left .2s,border-color .2s}
.cat-nav a i{font-style:normal;font-size:11px;color:var(--ink-3)}
.cat-nav a:hover{background:#EAF3FB;color:var(--primary);font-weight:600}
.cat-nav a:hover::before{left:22px;border-color:var(--primary)}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;padding:22px}
.prod-list-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 24px 8px}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;padding:22px 0 30px}
.pager button{min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;border-radius:8px;cursor:pointer;transition:all .18s}
.pager button:hover{border-color:var(--accent);color:var(--primary)}
.pager button.on{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;border-color:transparent;font-weight:600}
.pager button:disabled{opacity:.4;cursor:not-allowed}
.pager .pg-info{font-size:13px;color:var(--ink-3);margin:0 8px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.prod-card .thumb{height:210px;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center}
.prod-card .thumb img{/* width:100%;height:100%; */object-fit:cover;transition:transform .4s}
.prod-card:hover .thumb img{transform:scale(1.07)}
.prod-card .nm{display:block;padding:12px;text-align:center;font-size:13.5px;color:var(--ink);border-top:1px solid var(--line);line-height:1.5;font-weight:500;min-height:44px;display:flex;align-items:center;justify-content:center}
.prod-card .nm em{display:block;font-style:normal;font-size:11px;color:var(--accent);letter-spacing:1px;margin-bottom:4px;text-transform:uppercase}
.prod-card:hover .nm{color:var(--primary)}
/* ===== 公司简介条 ===== */
.about-strip{display:grid;grid-template-columns:380px 1fr;gap:34px;padding:34px 34px}
.about-strip .pic{position:relative;border-radius:12px;overflow:hidden;min-height:260px;box-shadow:var(--shadow)}
.about-strip .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.about-strip .pic:hover img{transform:scale(1.05)}
.about-strip .pic::after{content:"关于我们";position:absolute;left:0;bottom:0;right:0;background:linear-gradient(0deg,rgba(0,30,60,.75),transparent);color:#fff;font-size:14px;letter-spacing:4px;padding:34px 26px 16px}
.about-strip .intro-t{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:1px;margin-bottom:6px}
.about-strip .intro-en{font-size:12px;color:var(--ink-3);letter-spacing:2px;text-transform:uppercase;margin-bottom:18px}
.about-strip p{font-size:14.5px;line-height:2.1;color:#3E4C5A;text-align:justify;margin-bottom:12px;text-indent:2em}
.about-strip .stats{display:flex;gap:14px;margin:18px 0 20px;flex-wrap:wrap}
.about-strip .stats .st{flex:1;min-width:110px;background:linear-gradient(135deg,#F4F9FD,#fff);border:1px solid var(--line);border-radius:10px;padding:14px 10px;text-align:center}
.about-strip .stats .st b{display:block;font-size:24px;color:var(--primary);font-weight:800;line-height:1.2}
.about-strip .stats .st span{font-size:12px;color:var(--ink-3);letter-spacing:1px}
.about-strip .btn{margin-top:6px}
/* ===== 新闻/下载 ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:0 0 28px}
.list-items{padding:8px 0}
.list-items li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9.5px 20px;border-bottom:1px dashed #EAF1F7;transition:background .2s;cursor:pointer}
.list-items li:last-child{border-bottom:none}
.list-items li:hover{background:#F3F8FC}
.list-items a{flex:1;min-width:0;color:var(--ink-2);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:10px}
.list-items a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px}
.list-items li:hover a{color:var(--primary)}
.list-items li:hover a::before{background:var(--gold)}
.list-items .date{color:var(--ink-3);font-size:12.5px;flex-shrink:0}
.list-items .dl{width:18px;height:18px;fill:var(--accent);flex:0 0 18px}
.list-items.nodot a::before{display:none}
/* ===== 子页面布局 ===== */
.sub-layout{display:grid;grid-template-columns:250px 1fr;gap:26px;padding:28px 0 34px}
.detail-layout{display:grid;grid-template-columns:320px 1fr;gap:26px;padding:28px 0 34px}
.one-col{padding:28px 0 34px}
.sub-nav .sec-head{padding:13px 18px}
.sub-nav a{display:block;padding:11px 20px 11px 30px;color:var(--ink-2);font-size:14.5px;border-bottom:1px dashed #E6EEF5;position:relative;transition:all .2s}
.sub-nav a::before{content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:7px;height:7px;border:2px solid var(--accent);border-left:none;border-bottom:none;transform:translateY(-50%) rotate(45deg)}
.sub-nav a:last-child{border-bottom:none}
.sub-nav a:hover,.sub-nav a.on{background:#EAF3FB;color:var(--primary);font-weight:600}
.crumb{font-size:13px;color:var(--ink-3);padding:14px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--ink-3)}
.page-body{padding:20px 20px}
.page-body h1{font-size:24px;color:var(--primary);margin-bottom:14px;letter-spacing:1px;padding-bottom:14px;border-bottom:1px solid var(--line);position:relative}
.page-body h1::after{content:"";position:absolute;left:0;bottom:-1px;width:72px;height:3px;background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:2px}
.page-body .meta{color:var(--ink-3);font-size:13px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.page-body p{font-size:14.5px;line-height:2.05;color:#3E4C5A;text-align:justify;margin-bottom:12px}
.page-body h3{color:var(--primary);font-size:16.5px;margin:20px 0 10px;border-left:4px solid var(--accent);padding-left:10px}
/* 列表页 */
.list-page li{display:flex;justify-content:space-between;align-items:center;padding:13px 4px;border-bottom:1px dashed #E6EEF5;cursor:pointer}
.list-page li:hover a{color:var(--primary)}
.list-page a{color:var(--ink-2);font-size:14.5px;display:flex;align-items:center;gap:10px}
.list-page a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.list-page .date{color:var(--ink-3);font-size:12.5px}
/* 产品详情 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;animation:none!important}}
.pd-detail-wrap{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.pd-detail h3{color:var(--primary);font-size:16.5px;margin:18px 0 10px;border-left:4px solid var(--accent);padding-left:10px}
.pd-detail p{font-size:14.5px;line-height:2.05;color:#3E4C5A;text-align:justify;margin-bottom:10px}
.pd-top{display:grid;grid-template-columns:340px 1fr;gap:30px}
.pd-top .picbox{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#F7FAFD}
.pd-top .picbox img{width:100%;height:280px;object-fit:cover}
.pd-top h1{font-size:24px}
.pd-top .spec{margin-top:14px;background:#F6FAFD;border:1px solid var(--line);border-radius:8px;padding:14px 18px}
.pd-top .spec div{font-size:13.5px;color:var(--ink-2);padding:5px 0;border-bottom:1px dashed #E1EBF4}
.pd-top .spec div:last-child{border:none}
.pd-top .spec b{color:var(--primary)}
.tag{display:inline-block;background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;font-size:12px;letter-spacing:1px;padding:4px 14px;border-radius:20px;margin-bottom:12px}
/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.case-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .25s;cursor:pointer;background:#fff}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.case-card .thumb{height:350px;overflow:hidden;background:#F2F7FB}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .thumb img{transform:scale(1.06)}
.case-card .inf{padding:5px 15px}
.case-card .inf h3{font-size:16px;color:var(--primary);margin-bottom:6px}
.case-card .inf p{font-size:13px;color:var(--ink-2);line-height:1.8}
/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cinfo{background:#F6FAFD;border:1px solid var(--line);border-radius:10px;padding:20px 22px}
.cinfo div{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed #E1EBF4;font-size:14.5px;color:var(--ink-2)}
.cinfo div:last-child{border:none}
.cinfo .k{color:var(--primary);font-weight:600;flex:0 0 76px}
.mapbox{border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:260px;background:linear-gradient(135deg,#EAF3FB,#F7FBFE);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink-2)}
.mapbox .pin{width:44px;height:44px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 8px 20px rgba(0,58,112,.35)}
.mapbox .pin svg{width:20px;height:20px;fill:#fff;transform:rotate(45deg)}
.mapbox p{font-size:14px}
/* 荣誉 */
.honor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.honor-card{border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:8px;padding:16px 20px;background:#FCFDFE}
.honor-card h3{font-size:15.5px;color:var(--primary);margin-bottom:6px}
.honor-card p{font-size:13px;color:var(--ink-2);margin:0}
.equip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.equip-grid .thumb{height:140px;border-radius:8px;overflow:hidden}
.equip-grid .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.equip-grid .item{cursor:pointer}
.equip-grid .item:hover img{transform:scale(1.07)}
.equip-grid .item p{text-align:center;font-size:13px;color:var(--ink-2);margin-top:8px}
/* ===== 页脚 ===== */
.footer{background:linear-gradient(180deg,var(--primary-darker),#001322);color:#9FB3C8;font-size:13px;margin-top:10px}
.footer-nav{display:flex;justify-content:center;flex-wrap:wrap;padding:26px 0 16px}
.footer-nav a{padding:0 16px;color:#B9C9DA;transition:color .2s}
.footer-nav a:hover{color:#fff}
.footer-nav .fsep{color:#3E5E80}
.footer-info{text-align:center;padding:25px;line-height:2}
.footer-info .copy b{color:#DCE7F1;font-weight:600}
.footer-info a{color:#9FB3C8}.footer-info a:hover{color:#fff}
.footer-info .addr{color:#7E93A8}
/* ===== 返回顶部 ===== */
#toTop{position:fixed;right:28px;bottom:28px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;cursor:pointer;box-shadow:var(--shadow-hover);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;z-index:200;display:flex;align-items:center;justify-content:center}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#toTop svg{width:20px;height:20px;fill:#fff}
/* ===== 响应式 ===== */
@media (max-width:1280px){.home-main{grid-template-columns:280px 1fr}.about-strip{grid-template-columns:300px 1fr}}
@media (max-width:1024px){.home-main,.sub-layout{grid-template-columns:1fr}.duo,.about-strip{grid-template-columns:1fr}.pd-top{grid-template-columns:1fr}.case-grid,.honor-grid{grid-template-columns:1fr}.equip-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}}
@media (max-width:860px){
  .site-header{padding:4px 0}
  .site-header .wrap{flex-direction:row;justify-content:space-between;align-items:center;gap:10px;padding:10px 10px}
  .brand img{width:64px;height:52px}
  .brand-txt .cn{font-size:17px;letter-spacing:0}
  .brand-txt .en{font-size:9px}
  .hotline{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;border-radius:10px;font-size:22px;cursor:pointer;flex:0 0 42px}
  .nav{position:relative}
  .nav .wrap{justify-content:flex-start;padding:0}
  .nav-menu{display:none;width:100%;flex-direction:column;align-items:stretch;max-height:calc(100vh - 120px);overflow-y:auto;padding-bottom:10px}
  .nav-menu.open{display:flex}
  .nav-item{padding:13px 22px;border-top:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav-menu .dropdown{position:static !important;box-shadow:none;opacity:1 !important;visibility:visible !important;transform:none !important;display:none;width:100%;left:auto;border-radius:0;border-top:none;background:rgba(0,18,40,.4);padding:0;margin:0}
  .nav-menu .has-drop.open .dropdown{display:block}
  .nav-menu .dropdown a{display:block;justify-content:flex-start;color:#CFE0EF;border-bottom:1px solid rgba(255,255,255,.08);padding:12px 24px 12px 38px;font-size:15px}
  .nav-menu .dropdown a:hover{background:rgba(255,255,255,.1);color:#fff;padding-left:42px}
  .banner .cap .en-t{font-size:11px;margin-bottom:8px}
  .banner .cap h2{font-size:26px}.banner .cap p{font-size:14px}
  .banner .slides{height:min(300px,46vw)}
  .prod-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .prod-list-grid{grid-template-columns:repeat(2,1fr);gap:14px;padding:16px 14px 6px}
  .about-strip{grid-template-columns:1fr;gap:20px;padding:22px}
  .about-strip .stats{gap:8px}
  .sub-layout,.detail-layout{grid-template-columns:1fr;gap:18px;padding:18px 0 24px}
}
@media (max-width:520px){
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .wrap{padding:12px}
  .brand-txt .cn{font-size:16px}
  .banner .cap .en-t{font-size:10px;letter-spacing:2px}
  .banner .cap h2{font-size:20px;letter-spacing:2px}
  .banner .cap p{font-size:12px;letter-spacing:1px}
  .banner .slides{height:240px}
}