:root{
  --ink:#171717; --ink-2:#4d4d4d; --ink-3:#666; --line:#ebebeb; --line-2:#d4d4d4;
  --bg:#fff; --bg-2:#fafafa; --bg-dark:#0a0a0a;
  --primary:#0a0a0a; --primary-2:#333333;
  --radius:10px;
  --ring:rgba(0,0,0,0.08) 0 0 0 1px;
  --shadow:rgba(0,0,0,0.04) 0 2px 2px, rgba(0,0,0,0.06) 0 12px 28px -12px, #fafafa 0 0 0 1px;
  --maxw:1200px;
  --content:#2b2b2b;
  --link:#0a0a0a;
  --h1:#171717;
  --h2:#171717;
  --h3:#171717;
  --hero-overlay:#0a0a0a;
  --hero-text:#ffffff;
  --hero-eyebrow:#cfcfcf;
  --foot-text:#999999;
  --dark-text:#ffffff;
  --foot-line:#222222;
  --btn-text:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:"Space Grotesk",sans-serif;font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--ink-2)}
h1,h2,h3{font-weight:300;letter-spacing:-1px;line-height:1.12}
img{display:block;max-width:100%}

header{position:sticky;top:0;z-index:60;background:color-mix(in srgb, var(--bg) 80%, transparent);backdrop-filter:blur(14px);box-shadow:var(--ring)}
.nav{display:flex;align-items:center;gap:24px;height:58px}
.brand{font-weight:700;font-size:19px;letter-spacing:-.5px;display:flex;align-items:center;gap:10px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--ink)}
.nav-links{display:flex;gap:34px;align-items:center;margin-left:auto}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:400;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:11px 22px;font-size:15px;font-weight:500;cursor:pointer;border:none;transition:all .25s}
.btn-primary{background:var(--primary);color:var(--btn-text)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:var(--ring)}
.btn-ghost:hover{background:var(--bg-2)}
.btn-light{background:#fff;color:var(--ink)}
.btn .arrow{transition:transform .25s}.btn:hover .arrow{transform:translateX(4px)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto}
.hamburger span{width:24px;height:2px;background:var(--ink);border-radius:2px}

/* HERO CAROUSEL */
.hero{position:relative;min-height:76vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.2s ease,transform 6s linear;filter:grayscale(.25)}
.hero .slide.active{opacity:1;transform:scale(1)}
.hero .slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--hero-overlay)d9,var(--hero-overlay)73 55%,var(--hero-overlay)33)}
.hero .hero-inner{position:relative;z-index:2;width:100%}
.hero .eyebrow{color:var(--hero-eyebrow)}
.hero h1{font-size:clamp(40px,6.4vw,76px);font-weight:300;max-width:880px;text-shadow:0 2px 20px rgba(0,0,0,.3);color:var(--hero-title,#ffffff)}
.hero h1 b{font-weight:700}
.hero p.lead{font-size:19px;color:color-mix(in srgb, var(--hero-text) 88%, transparent);max-width:560px;margin:28px 0 36px;font-weight:300;line-height:1.85}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:34px;left:0;right:0;z-index:3;display:flex;gap:10px;justify-content:center}
.hero-dots button{width:36px;height:4px;border:none;border-radius:2px;background:color-mix(in srgb, var(--hero-text) 35%, transparent);cursor:pointer;transition:.3s;padding:0}
.hero-dots button.active{background:#fff;width:52px}

/* STAT */
.statbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statbar .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 24px;text-align:center}
.statbar .num{font-family:"Space Grotesk",sans-serif;font-size:40px;font-weight:500;letter-spacing:-1.5px}
.statbar .lab{font-size:13px;color:var(--ink-3);margin-top:4px}

section{padding:96px 0}
.sec-head{max-width:640px;margin:0 auto 56px}
.sec-head .eyebrow{display:block;margin-bottom:14px}
.sec-head h2{font-size:clamp(30px,4vw,46px);font-weight:300;color:var(--h2)}
.sec-head p{color:var(--ink-2);font-size:16px;font-weight:300;margin-top:14px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;align-items:stretch}
.article-list .card{display:flex;flex-direction:column;height:100%}
.article-list .card .body{flex:1;display:flex;flex-direction:column}
.card{background:var(--bg-2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
/* 页面标题 */
.page-header{padding:48px 0 28px}

/* 文章内页 */
.article-detail{max-width:var(--maxw);margin:64px auto 88px}
.article-detail h1{font-size:clamp(28px,4vw,42px);font-weight:500;letter-spacing:-.5px;line-height:1.25;text-align:center;margin-bottom:18px;color:var(--h1)}
.article-detail .meta{display:flex;gap:10px;justify-content:center;align-items:center;color:var(--ink-3);font-size:14px;margin-bottom:34px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-detail .content{line-height:1.9;color:var(--content);font-size:16px}
.article-detail .content p{margin:14px 0}
.article-detail .content h2,.article-detail .content h3{font-weight:500;margin:32px 0 14px;color:var(--h2)}
.article-detail .content img{max-width:100%;height:auto;object-fit:cover;border-radius:12px;margin:20px 0}
/* 图片对齐：wangEditor 把居中等对齐写进 img 内联 style 的 text-align，对 block 图片无效，这里转换为真正的 margin 居中 */
.article-detail .content img[style*="text-align:center"],.article-detail .content img[style*="text-align: center"]{margin-left:auto;margin-right:auto}
.article-detail .content img[style*="text-align:right"],.article-detail .content img[style*="text-align: right"]{margin-left:auto;margin-right:0}
.article-detail .content img[style*="text-align:left"],.article-detail .content img[style*="text-align: left"]{margin-right:auto;margin-left:0}
/* 通用内容容器（产品/单页等）图片对齐同样处理 */
.content img[style*="text-align:center"],.content img[style*="text-align: center"]{margin-left:auto;margin-right:auto}
.content img[style*="text-align:right"],.content img[style*="text-align: right"]{margin-left:auto;margin-right:0}
.content img[style*="text-align:left"],.content img[style*="text-align: left"]{margin-right:auto;margin-left:0}
/* 兼容 wangEditor 把对齐写在父段落 text-align 的情况：让段落内图片转 inline-block 以响应父级对齐 */
.article-detail .content p[style*="text-align"]>img,.content p[style*="text-align"]>img{display:inline-block}
.article-detail .content video,.article-detail .content audio,.product-content .content video{max-width:100%;width:100%;height:auto;margin:20px 0;border-radius:12px;background:#000}
.article-detail .content iframe,.product-content .content iframe{max-width:100%;aspect-ratio:16/9;width:100%;margin:20px 0;border:0;border-radius:12px}
.card:hover{transform:translateY(-6px);box-shadow:rgba(0,0,0,.05) 0 4px 6px, rgba(0,0,0,.12) 0 24px 48px -16px}
.card .thumb{height:180px;background-size:cover;background-position:center;filter:grayscale(.2)}
.card .body{padding:30px 28px}
.card .idx{font-family:"Space Grotesk",sans-serif;font-size:14px;color:var(--ink-3);letter-spacing:1px}
.card h3{font-size:21px;font-weight:500;letter-spacing:-.5px;margin:14px 0 10px;color:var(--h3)}
.card p{color:var(--ink-2);font-size:14px;font-weight:300;line-height:1.85}

/* PARALLAX */
.parallax{position:relative;min-height:62vh;display:flex;align-items:center;color:#fff;background-attachment:fixed;background-size:cover;background-position:center;overflow:hidden}
.parallax::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,var(--hero-overlay)e6,var(--hero-overlay)99)}
.parallax .wrap{position:relative;z-index:2}
.parallax .eyebrow{color:var(--hero-eyebrow)}
.parallax h2{font-size:clamp(28px,3.4vw,44px);font-weight:300;max-width:680px}
.parallax p{margin-top:18px;font-size:17px;font-weight:300;color:rgba(255,255,255,.85);max-width:540px;line-height:1.9}
.parallax .btn-light{margin-top:30px}

/* GALLERY */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery a{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.gallery img{width:100%;height:100%;object-fit:cover;filter:grayscale(.3);transition:transform .5s,filter .5s}
.gallery a:hover img{transform:scale(1.06);filter:grayscale(0)}
.gallery .cap{position:absolute;left:0;right:0;bottom:0;padding:18px;color:#fff;font-size:14px;font-weight:500;background:linear-gradient(transparent,rgba(0,0,0,.65))}

.strip{background:var(--bg-dark);color:var(--dark-text);border-radius:28px;padding:72px 56px;text-align:center}
.strip .eyebrow{color:var(--foot-text)}
.strip h2{font-size:clamp(28px,3.6vw,44px);font-weight:300;margin:16px 0 16px}
.strip p{color:var(--foot-text);font-weight:300;margin-bottom:30px}
.strip .btn-primary{background:#fff;color:var(--ink)}

footer{background:var(--bg-dark);color:var(--foot-text);padding:72px 0 36px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px}
.foot-grid .brand{color:var(--dark-text);margin-bottom:16px}
.foot-grid h4{color:var(--dark-text);font-size:15px;font-weight:500;margin-bottom:18px}
.foot-grid a{display:block;font-size:14px;color:var(--foot-text);padding:6px 0;font-weight:300;transition:color .2s}
.foot-grid a:hover{color:#fff}
.foot-brand p{font-size:14px;font-weight:300;line-height:1.8;max-width:320px;margin-top:14px}
.foot-bottom{border-top:1px solid var(--foot-line);margin-top:44px;padding-top:24px;font-size:13px;color:var(--foot-text);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-weight:300}
.foot-bottom>span{display:inline-flex;align-items:center;gap:10px}
.police-badge{display:inline-flex;align-items:center;gap:6px}
.police-icon{display:inline-block;width:auto;height:18px;vertical-align:middle;margin:0}

/* 页脚按“有内容的栏数”自适应：空链接列被 JS 隐藏，避免黑色区域空旷过高 */
.foot-grid[data-cols="1"]{grid-template-columns:1fr}
.foot-grid[data-cols="2"]{grid-template-columns:1.8fr 1fr}
.foot-grid[data-cols="3"]{grid-template-columns:1.8fr 1fr 1fr}
.foot-grid[data-cols="4"]{grid-template-columns:1.8fr 1fr 1fr 1fr}
footer.foot-compact{padding:44px 0 28px}
footer.foot-compact .foot-bottom{margin-top:28px}

/* 分页 */
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin:48px 0 24px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 12px;border-radius:8px;font-size:14px;text-decoration:none;transition:all .2s;border:1px solid var(--line-2)}
.pagination a{color:var(--ink);background:var(--bg-2)}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination span.current{color:#fff;background:var(--primary);border-color:var(--primary);font-weight:600;cursor:default}
.pagination span.disabled{color:var(--ink-3);background:var(--bg-2);border-color:var(--line-2);cursor:not-allowed}
.pagination a.prev,.pagination a.next,.pagination span.prev,.pagination span.next{min-width:auto;padding:0 14px}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
  .statbar .wrap{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .foot-grid[data-cols]{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .grid-3{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .statbar .wrap{grid-template-columns:1fr 1fr}
  .strip{padding:48px 24px}
  section{padding:24px 0}
  .showcase-block{padding:16px 0}
  .showcase-block + .showcase-block{padding-top:0}
  .sec-head{margin-bottom:20px}

  /* 轮播图手机端适配 */
  .hero{min-height:auto;padding:80px 0 60px;align-items:flex-start}
  .hero .hero-texts{min-height:auto}
  .hero .hero-text{position:relative;transform:none;opacity:1}
  .hero .hero-text:not(.active){display:none}
  .hero h1{font-size:clamp(24px,6vw,32px);line-height:1.25}
  .hero p.lead{font-size:14px;margin:12px 0 18px;line-height:1.55;max-width:100%}
  .hero-cta{gap:10px}
  .hero-cta .btn{padding:9px 16px;font-size:13px}
  .hero-dots{bottom:18px}

  /* 新闻/公告/商品：一行两个 */
  .article-list{grid-template-columns:1fr 1fr;gap:12px}
  .article-list .card .thumb{height:120px}
  .article-list .card .body{padding:16px 14px}
  .article-list .card h3{font-size:15px;margin:6px 0 4px}
  .article-list .card p{font-size:12px;line-height:1.55}

  /* 页脚：品牌占满宽，链接列横排 */
  .foot-grid[data-cols]{grid-template-columns:repeat(3,1fr);gap:20px}
  .foot-grid[data-cols] .foot-brand{grid-column:1/-1}
}
.nav-links.open{display:flex;position:absolute;top:58px;left:0;right:0;flex-direction:column;gap:0;background:#fff;padding:12px 24px;box-shadow:var(--ring)}
.nav-links.open a{padding:14px 0;border-bottom:1px solid var(--line)}

/* 商品中心：分类目录树 */
.product-layout{display:flex;gap:32px;align-items:flex-start;margin-top:8px}
.cat-tree{width:230px;flex-shrink:0;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 0;position:-webkit-sticky;position:sticky;top:96px;align-self:flex-start}
.cat-tree-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);text-transform:uppercase;padding:6px 20px 12px;border-bottom:1px solid var(--line);margin-bottom:8px}
.cat-node{display:block;padding:10px 20px;color:var(--ink-2);text-decoration:none;font-size:14px;transition:background .15s,color .15s;border-left:3px solid transparent}
.cat-node:hover{background:var(--bg-2);color:var(--ink)}
.cat-node.active{color:var(--ink);font-weight:600;background:var(--bg-2);border-left-color:var(--ink)}
.cat-children{padding:2px 0 6px}
.cat-children .cat-node.child{padding:8px 20px 8px 38px;font-size:13px;color:var(--ink-3)}
.cat-children .cat-node.child:hover{color:var(--ink-2)}
.product-main{flex:1;min-width:0}
.product-main .empty{color:var(--ink-3);text-align:center;padding:60px 0}
@media(max-width:780px){
  .product-layout{flex-direction:column;gap:18px}
  .cat-tree{width:100%;position:static}
}