/* ===== 基础 ===== */
:root{
  color-scheme:light;
  --ink:#121923;
  --ink-2:#263241;
  --ink-soft:#3f4b5a;
  --accent:#c83f12;
  --accent-2:#dd7444;
  --accent-hover:#9f3210;
  --accent-rgb:200,63,18;
  --hero-accent:#f2aa80;
  --gray:#6b7785;
  --line:#e6eaef;
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --panel:#ffffff;
  --panel-soft:#fbfcfd;
  --media-bg:#141414;
  --nav-surface:rgba(255,255,255,.94);
  --dark-bg:#0b0b0d;
  --dark-bg-2:#191a1f;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html[data-theme="dark"]{
  color-scheme:dark;
  --ink:#eef4ff;
  --ink-2:#d8e6fb;
  --ink-soft:#c5d3e6;
  --accent:#5f73ff;
  --accent-2:#98a4ff;
  --accent-hover:#4b5ed8;
  --accent-rgb:95,115,255;
  --hero-accent:#98a4ff;
  --gray:#9fb0c5;
  --line:#282b33;
  --bg:#090a0d;
  --bg-soft:#111318;
  --panel:#14161b;
  --panel-soft:#181b21;
  --media-bg:#0b0c10;
  --nav-surface:rgba(9,10,13,.94);
  --dark-bg:#050506;
  --dark-bg-2:#111216;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;font-size:16px;
  transition:background .25s,color .25s;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3{line-height:1.2;font-weight:700;letter-spacing:-.01em}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--nav-surface);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);
  transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header.scrolled{background:var(--nav-surface);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
/* 导航跟随主题使用实底，首页不再叠透明栏 */
body.inner .site-header{background:var(--nav-surface);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
body.inner .brand,
.brand{color:var(--ink)}
body.inner .nav-menu a{color:var(--ink)}
body.inner .nav-toggle span{background:var(--ink)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px;transition:color .35s}
.site-header.scrolled .brand{color:var(--ink)}
.brand-mark{
  width:55px;height:44px;flex:none;
  display:grid;place-items:center;position:relative;
  transition:background .25s,padding .25s,box-shadow .25s;
  --logo-inset:0;
}
.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}
/* 顶部导航：hero 上白字 logo，滚动后/内页白底切深色 logo */
.brand-mark .logo-dark{position:absolute;inset:var(--logo-inset);opacity:0;transition:opacity .35s}
.brand-mark .logo-light{transition:opacity .35s}
.site-header.scrolled .brand-mark .logo-light,body.inner .brand-mark .logo-light{opacity:0}
.site-header.scrolled .brand-mark .logo-dark,body.inner .brand-mark .logo-dark{opacity:1}
/* 页脚深色背景：白色版 logo（只一张，无切换） */
.footer-brand .brand-mark{width:58px;height:46px}
.brand-text strong{display:block;font-size:17px;line-height:1.2}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:.18em;opacity:.7}
.nav-menu{display:flex;gap:38px}
.nav-menu a{
  color:var(--ink);font-size:15px;font-weight:500;position:relative;padding:6px 0;
  opacity:.92;transition:opacity .25s,color .35s;text-shadow:none;
}
.site-header.scrolled .nav-menu a{color:var(--ink);text-shadow:none}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .3s var(--ease)}
.nav-menu a:hover,.nav-menu a.active{opacity:1}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s}
.site-header.scrolled .nav-toggle span{background:var(--ink)}
.theme-toggle{
  flex:none;width:38px;height:38px;margin-left:22px;border:1px solid var(--line);
  border-radius:10px;background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;
  transition:background .25s,border-color .25s,color .35s,transform .2s;
}
.theme-toggle:hover{background:var(--bg-soft);transform:translateY(-1px)}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.site-header.scrolled .theme-toggle,body.inner .theme-toggle{color:var(--ink);border-color:var(--line)}
.site-header.scrolled .theme-toggle:hover,body.inner .theme-toggle:hover{background:var(--bg-soft)}
/* ===== HERO ===== */
.hero{position:relative;isolation:isolate;height:100vh;min-height:620px;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:heroZoom 18s ease-out forwards;filter:saturate(.92) contrast(1.04)}
@keyframes heroZoom{to{transform:scale(1)}}
/* 黑色重遮罩 + 暗角，文字跳出、背景不再偏蓝 */
.hero-overlay{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  /* 参考“原版”更温和的亮度衰减，保证明亮模式不压暗 */
  background:
    linear-gradient(100deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.78) 38%,rgba(0,0,0,.56) 70%,rgba(0,0,0,.42) 100%),
    linear-gradient(180deg,rgba(0,0,0,.30) 0%,rgba(0,0,0,.05) 30%,rgba(0,0,0,.55) 100%);
}
.hero-content{position:relative;z-index:2;color:#fff}
.hero-eyebrow{font-size:13px;letter-spacing:.25em;opacity:.92;margin-bottom:24px;font-weight:600;color:var(--hero-accent)}
.hero h1{font-size:clamp(38px,6vw,76px);font-weight:800;letter-spacing:-.02em;margin-bottom:26px;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.42)}
.hero-sub{font-size:clamp(15px,1.4vw,19px);opacity:.96;max-width:560px;margin-bottom:40px;font-weight:300;color:#ecf2ff;text-shadow:0 1px 12px rgba(0,0,0,.38)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* 首页 hero 搜索 */
.hero-search{display:flex;gap:10px;max-width:600px;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.35);border-radius:12px;padding:8px;backdrop-filter:blur(8px);box-shadow:0 12px 40px rgba(0,0,0,.25)}
.hero-search input{flex:1;min-width:0;background:rgba(255,255,255,.96);border:none;border-radius:8px;padding:0 18px;height:52px;font-size:15.5px;color:#121923;outline:none}
.hero-search input::placeholder{color:#8a96a6}
.hero-search .btn{flex:none;height:52px;padding:0 26px;border-radius:8px;white-space:nowrap}
.hero-quick{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px}
.hero-quick .hq-label{opacity:.9;font-weight:600;color:var(--hero-accent)}
.hero-quick a{color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:18px;padding:5px 14px;transition:.2s;font-weight:500}
.hero-quick a:hover{background:rgba(255,255,255,.18);border-color:#fff}
.hero-quick .hq-contact{margin-left:6px;border-color:rgba(255,255,255,.7)}
[dir=rtl] .hero-quick .hq-contact{margin-left:0;margin-right:6px}
.hero-scroll{z-index:2}
@media(max-width:560px){
  .hero-search{flex-direction:column;background:transparent;border:none;padding:0;backdrop-filter:none;box-shadow:none;gap:12px}
  .hero-search input{
    flex:none;width:100%;height:56px;min-height:56px;line-height:normal;
    padding:0 18px;border-radius:12px;font-size:16px;
    -webkit-appearance:none;appearance:none;box-shadow:0 10px 28px rgba(0,0,0,.16);
  }
  .hero-search .btn{width:100%;height:56px;min-height:56px}
}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 34px;border-radius:6px;font-size:15px;font-weight:600;transition:.28s var(--ease);border:1.5px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.hero-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.2em;opacity:.7;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ===== 内页顶部 banner ===== */
.page-banner{position:relative;height:340px;display:flex;align-items:center;color:#fff;overflow:hidden;margin-top:0}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(0,0,0,.82),rgba(0,0,0,.46))}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{font-size:clamp(30px,4vw,48px);margin-bottom:12px}
.page-banner p{opacity:.85;font-size:16px}
.breadcrumb{font-size:13px;opacity:.7;margin-bottom:18px}
.breadcrumb a{color:#fff}
.breadcrumb a:hover{text-decoration:underline}
.page-banner.trade-hero{height:320px;background:#0b0b0d}
.page-banner.trade-hero::after{background:linear-gradient(180deg,rgba(0,0,0,.68) 0%,rgba(0,0,0,.86) 76%,#0b0b0d 100%)}
.page-banner.trade-hero+.section-map{padding-top:82px}

/* ===== 通用 section ===== */
.section{padding:110px 0}
.section-head{margin-bottom:56px;max-width:680px}
.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.section-head h2{font-size:clamp(28px,3.4vw,42px)}
.section-head.light .eyebrow{color:var(--accent-2)}
.section-head.light h2{color:#fff}

/* ===== 关于 ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-text .eyebrow{margin-bottom:14px}
.about-text h2{font-size:clamp(26px,3vw,40px);margin-bottom:24px}
.about-text p{color:var(--gray);margin-bottom:18px}
.about-text strong{color:var(--ink)}
.link-arrow{color:var(--accent);font-weight:600;display:inline-block;margin-top:8px;transition:.25s}
.link-arrow:hover{transform:translateX(4px)}
.about-media img{width:100%;border-radius:14px;box-shadow:0 30px 60px -28px rgba(11,22,34,.35)}

/* ===== 产品 ===== */
.section-products{background:var(--bg-soft)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.product-card{background:var(--panel);border-radius:14px;overflow:hidden;box-shadow:0 4px 24px -16px rgba(11,22,34,.4);transition:.35s var(--ease)}
.product-card:hover{transform:translateY(-8px);box-shadow:0 24px 48px -22px rgba(11,22,34,.45)}
.product-img{aspect-ratio:4/3;overflow:hidden;background:var(--media-bg)}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.product-card:hover .product-img img{transform:scale(1.07)}
.product-body{padding:24px 22px 28px}
.product-body h3{font-size:19px;margin-bottom:10px}
.product-body p{color:var(--gray);font-size:14.5px}
#products .product-card:nth-child(2) .product-img{aspect-ratio:16/10}
#products .product-card:nth-child(3) .product-img{aspect-ratio:1/1}
#products .product-card:nth-child(4) .product-img{aspect-ratio:5/4}

/* 6列产品网格 */
.product-grid-6{grid-template-columns:repeat(3,1fr)}

/* ===== 国内外贸易 ===== */
.section-trade{background:var(--bg)}
.trade-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.trade-media img{width:100%;border-radius:14px;box-shadow:0 30px 60px -28px rgba(11,22,34,.4)}
.trade-text .eyebrow{margin-bottom:14px}
.trade-text h2{font-size:clamp(26px,3vw,40px);margin-bottom:22px}
.trade-text>p{color:var(--gray);margin-bottom:22px}
.trade-list{list-style:none;margin-bottom:26px}
.trade-list li{position:relative;padding:12px 0 12px 30px;border-bottom:1px solid var(--line);color:var(--gray);font-size:15px}
.trade-list li::before{content:"\2192";position:absolute;left:0;top:12px;color:var(--accent);font-weight:700}
.trade-list strong{color:var(--ink);margin-right:8px}

/* ===== 实力展示 ===== */
.section-strength{background:var(--dark-bg);background:linear-gradient(160deg,var(--dark-bg),var(--dark-bg-2))}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;color:#fff}
.stat{padding:20px 10px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:0}
.stat-num{font-size:clamp(44px,5vw,68px);font-weight:800;background:linear-gradient(120deg,#fff,var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-unit{font-size:24px;font-weight:700;color:var(--accent-2);margin-left:4px}
.stat p{color:rgba(255,255,255,.65);font-size:14.5px;margin-top:10px}

/* ===== 优势 ===== */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.value{padding:34px 26px;border:1px solid var(--line);border-radius:14px;transition:.3s var(--ease)}
.value:hover{border-color:var(--accent);transform:translateY(-4px)}
.value-ico{width:52px;height:52px;border-radius:12px;background:var(--bg-soft);color:var(--accent);display:grid;place-items:center;font-size:20px;margin-bottom:18px}
.value h3{font-size:18px;margin-bottom:10px}
.value p{color:var(--gray);font-size:14.5px}

/* ===== 联系 ===== */
.section-contact{background:var(--bg-soft)}
/* ===== 销售部 · 真名片自动滚动 ===== */
.bcards-marquee{margin-top:34px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.bcards-track{display:flex;gap:26px;width:max-content;direction:ltr;animation:bcMarquee var(--bc-dur,30s) linear infinite}
.bcards-marquee:hover .bcards-track{animation-play-state:paused}
@keyframes bcMarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* 名片：横版 90×54 比例感 */
.bcard{flex:0 0 380px;width:380px;height:218px;position:relative;background:linear-gradient(150deg,var(--panel) 0%,var(--panel-soft) 100%);border:1px solid var(--line);border-radius:16px;padding:24px 26px;box-shadow:0 14px 38px -22px rgba(11,22,34,.5);overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}
.bcard::before{content:"";position:absolute;top:0;left:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--accent-hover),var(--accent))}
.bc-head{display:flex;align-items:center;gap:12px}
.bc-logo{flex:none;width:42px;height:42px;display:grid;place-items:center}
.bc-logo img{max-width:100%;max-height:100%;object-fit:contain}
.bc-co,.bc-name,.bc-lines{min-width:0}
.bc-co strong{display:block;font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.bc-co em{font-style:normal;font-size:10px;letter-spacing:.18em;color:var(--accent)}
.bc-body{display:flex;flex-direction:column;gap:14px}
.bc-name{display:flex;align-items:center;gap:12px}
.bc-name h3{font-size:24px;font-weight:800;color:var(--ink)}
.bc-role{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--accent);background:rgba(var(--accent-rgb),.09);padding:3px 12px;border-radius:999px}
.bc-lines{display:flex;flex-direction:column;gap:9px}
.bc-line{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--ink);border:0;background:none;font-family:inherit;padding:0;cursor:pointer;text-align:left;direction:ltr;unicode-bidi:isolate}
.bc-line svg{flex:none;width:18px;height:18px;color:var(--accent)}
.bc-line span{min-width:0;overflow-wrap:anywhere}
.bc-line:hover{color:var(--accent)}
.nc-wechat{cursor:pointer}
.nc-toast{position:fixed;left:50%;bottom:42px;transform:translateX(-50%) translateY(20px);background:var(--dark-bg);color:#fff;font-size:14px;padding:11px 22px;border-radius:10px;box-shadow:0 10px 30px -10px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:9999}
.nc-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
[dir="rtl"] .bcard::before{left:auto;right:0}
@media(max-width:560px){.bcard{flex:0 0 300px;width:300px;height:200px;padding:20px 22px}.bc-name h3{font-size:21px}}
@media(prefers-reduced-motion:reduce){.bcards-marquee{overflow:visible;mask-image:none;-webkit-mask-image:none}.bcards-track{animation:none;flex-wrap:wrap;justify-content:center;width:auto}}

/* ===== CTA ===== */
.section-cta{position:relative;padding:120px 0;color:#fff;text-align:center;overflow:hidden}
.cta-media{position:absolute;inset:0;z-index:0}
.cta-media img{width:100%;height:100%;object-fit:cover}
.cta-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.78),rgba(0,0,0,.86))}
.cta-content{position:relative;z-index:1}
.cta-content h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px}
.cta-content p{opacity:.85;margin-bottom:32px;font-size:17px}
.cta-bcards{position:relative;z-index:1;margin-top:0;text-align:left}
.section-cta .cta-bcards .bcard{box-shadow:0 22px 56px -22px rgba(0,0,0,.72)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark-bg);color:#fff}
.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:56px 28px;flex-wrap:wrap;gap:26px}
.footer-brand{display:flex;align-items:center;gap:14px}
.footer-brand strong{font-size:18px}
.footer-brand p{color:rgba(255,255,255,.55);font-size:13.5px;margin-top:3px}
.footer-nav{display:flex;gap:30px}
.footer-nav a{color:rgba(255,255,255,.75);font-size:14.5px;transition:.25s}
.footer-nav a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;padding-bottom:22px;color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* ===== 内页：产品详情 ===== */
.cat-block{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.cat-block:nth-child(even) .cat-media{order:2}
.cat-media img{width:100%;border-radius:14px;box-shadow:0 24px 48px -26px rgba(11,22,34,.4);aspect-ratio:16/9;max-height:320px;object-fit:cover}
.cat-info h3{font-size:26px;margin-bottom:8px}
.cat-info .cat-en{color:var(--accent);font-size:13px;letter-spacing:.15em;font-weight:600;margin-bottom:18px}
.cat-info>p{color:var(--gray);margin-bottom:20px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list span{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink);padding:7px 16px;border-radius:30px;font-size:13.5px}

/* ===== 内页：关于我们 ===== */
.about-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.about-intro img{width:100%;border-radius:14px;box-shadow:0 24px 48px -26px rgba(11,22,34,.4)}
.about-intro h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:20px}
.about-intro p{color:var(--gray);margin-bottom:16px}
.timeline{max-width:760px;margin:0 auto}
.tl-item{position:relative;padding:0 0 38px 36px;border-left:2px solid var(--line)}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-9px;top:2px;width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.15)}
.tl-item h4{font-size:18px;margin-bottom:6px}
.tl-item p{color:var(--gray);font-size:14.5px}
.subject-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.subject-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:36px 32px;transition:.3s var(--ease)}
.subject-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.subject-card h3{font-size:21px;margin-bottom:10px}
.subject-card .role{color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.1em;margin-bottom:14px}
.subject-card p{color:var(--gray);font-size:14.5px}

/* ===== 内页：地图占位 ===== */
.map-placeholder{height:360px;border-radius:14px;background:var(--bg-soft);border:1px dashed var(--line);display:grid;place-items:center;color:var(--gray);font-size:15px;text-align:center;padding:20px}

/* ===== 页脚资质证照 + 灯箱 ===== */
.footer-certs{display:block;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.9}
.footer-certs .fc-label{margin-right:8px;opacity:.8}
.footer-certs .fc-link{color:rgba(255,255,255,.62);text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.35);margin:0 9px}
.footer-certs .fc-link:hover{color:#fff;border-bottom-color:#fff}
[dir=rtl] .footer-certs .fc-label{margin-right:0;margin-left:8px}
.cert-lb{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;gap:8px;background:rgba(6,12,24,.88);padding:20px;backdrop-filter:blur(4px)}
.cert-lb.open{display:flex}
.cert-lb .clb-fig{margin:0;max-width:92vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:12px}
.cert-lb img{max-width:88vw;max-height:80vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.cert-lb figcaption{color:#fff;font-size:15px;font-weight:600}
.cert-lb .clb-close{position:absolute;top:20px;right:24px;width:44px;height:44px;border:none;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:26px;cursor:pointer}
.cert-lb .clb-close:hover{background:rgba(255,255,255,.26)}
.cert-lb .clb-nav{flex:none;width:52px;height:52px;border:none;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:30px;line-height:1;cursor:pointer;transition:background .2s}
.cert-lb .clb-nav:hover{background:rgba(255,255,255,.28)}
@media(max-width:600px){.cert-lb .clb-nav{position:absolute;bottom:24px}.cert-lb .clb-prev{left:30%}.cert-lb .clb-next{right:30%}}

/* ===== 关于页 · 企业理念/品牌 ===== */
.section-culture{padding:96px 0;background:linear-gradient(160deg,#070708,#121318 60%,#090a0d);color:#fff}
.section-culture .section-head h2{color:#fff;font-weight:800;letter-spacing:.01em}
.section-culture .section-head .eyebrow{color:var(--accent-2)}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px}
.culture-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:30px 26px;text-align:center}
.culture-card .cc-ch{display:inline-block;font-size:34px;font-weight:800;color:#fff;letter-spacing:.12em;margin-bottom:4px}
.culture-card .cc-en{font-size:11px;letter-spacing:.3em;color:var(--accent-2);margin-bottom:16px}
.culture-card p:last-child{font-size:14.5px;line-height:1.7;color:rgba(220,230,245,.82);margin:0}
.culture-card strong{display:block;color:#fff;font-size:13px;margin-bottom:5px;font-weight:700}
.culture-tenets{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;margin-top:30px}
.culture-tenets span{position:relative;font-size:14px;color:rgba(220,230,245,.7);padding-left:18px}
.culture-tenets span::before{content:"※";position:absolute;left:0;color:var(--accent)}
[dir=rtl] .culture-tenets span{padding-left:0;padding-right:18px}
[dir=rtl] .culture-tenets span::before{left:auto;right:0}
.brand-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:920px;margin:8px auto 0}
.brand-chips span{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 15px;font-size:14px;font-weight:600;color:var(--ink-2);box-shadow:0 3px 10px rgba(10,20,40,.04)}
.agent-certs{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:26px}
.agent-certs .ac-badge{background:linear-gradient(135deg,#fff7e6,#ffeccc);border:1px solid #f0d49a;color:#8a5a12;border-radius:24px;padding:9px 20px;font-size:14px;font-weight:700}
/* 关于页 · 仓储网格 */
.wh-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:960px;margin:8px auto 0}
.wh-item{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 16px 18px 40px;font-size:14.5px;font-weight:600;color:var(--ink-2);box-shadow:0 4px 14px -10px rgba(11,22,34,.3);line-height:1.5}
.wh-item::before{content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.12)}
[dir=rtl] .wh-item{padding:18px 40px 18px 16px}[dir=rtl] .wh-item::before{left:auto;right:16px}
@media(max-width:860px){.wh-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.wh-grid{grid-template-columns:1fr}}
/* 关于页 · 资质药丸 */
.cert-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:13px;max-width:880px;margin:8px auto 0}
.cert-pill{display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,var(--panel),var(--panel-soft));border:1px solid var(--line);border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:700;color:var(--ink-2);box-shadow:0 4px 14px -10px rgba(11,22,34,.3)}
.cert-pill::before{content:"✓";display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:700}
@media(max-width:760px){.culture-grid{grid-template-columns:1fr;gap:14px}.section-culture{padding:64px 0}}

/* ===== 产品中心 · 搜索+卡片 ===== */
.section-prod{padding-top:64px}
.prod-search{position:relative;max-width:680px;margin:0 auto 26px}
.prod-search .ps-ico{position:absolute;left:18px;top:50%;transform:translateY(-50%) rotate(45deg);font-size:20px;color:var(--accent);pointer-events:none}
.prod-search input{width:100%;height:56px;padding:0 20px 0 50px;border:1.5px solid var(--line);border-radius:30px;font-size:16px;background:var(--panel);color:var(--ink);transition:border-color .2s,box-shadow .2s;outline:none}
.prod-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.1)}
[dir=rtl] .prod-search .ps-ico{left:auto;right:18px}
[dir=rtl] .prod-search input{padding:0 50px 0 20px}
.prod-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:14px}
.prod-tab{padding:9px 20px;border:1.5px solid var(--line);background:var(--panel);border-radius:24px;font-size:14.5px;font-weight:600;color:var(--gray);cursor:pointer;transition:all .2s}
.prod-tab:hover{border-color:var(--accent);color:var(--accent)}
.prod-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}
.prod-family-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0 auto 34px;max-width:980px}
.prod-family-tab{height:32px;padding:0 13px;border:1px solid var(--line);background:var(--panel);border-radius:999px;font-size:12.5px;font-weight:700;color:var(--ink-2);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.prod-family-tab:hover{border-color:rgba(var(--accent-rgb),.45);color:var(--accent)}
.prod-family-tab.active{background:rgba(var(--accent-rgb),.1);border-color:rgba(var(--accent-rgb),.35);color:var(--accent)}
.prod-count{min-height:22px;margin:-14px 0 18px;text-align:center;color:var(--gray);font-size:13.5px}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,520px),1fr));align-items:stretch;gap:18px}
.prod-card{display:grid;grid-template-columns:178px minmax(0,1fr);height:220px;text-align:left;border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;padding:0;font:inherit}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(10,20,40,.12);border-color:transparent}
.pc-tile{position:relative;height:104px;display:grid;place-items:center;background:linear-gradient(135deg,#1b3a6b,#0a1c38);color:#fff}
.prod-card.c-comm .pc-tile{background:linear-gradient(135deg,#1f7a8c,#0c3b46)}
.prod-card.c-eng .pc-tile{background:linear-gradient(135deg,#1b4a8f,#0a1f44)}
.prod-card.c-spec .pc-tile{background:linear-gradient(135deg,#6b2bb0,#2a0f4d)}
.prod-card.c-mod .pc-tile{background:linear-gradient(135deg,#c2562e,#5e1f0e)}
.pc-abbr{font-size:30px;font-weight:800;letter-spacing:.02em;text-shadow:0 2px 8px rgba(0,0,0,.25)}
.pc-hot{position:absolute;top:10px;right:10px;background:#ff5a4d;color:#fff;font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px}
[dir=rtl] .pc-hot{right:auto;left:10px}
.pc-body{min-width:0;display:grid;grid-template-rows:auto auto auto minmax(0,1fr) auto auto;gap:6px;padding:18px 18px 16px;overflow:hidden}
.pc-cat{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em}
.pc-name{font-size:18px;font-weight:800;color:var(--ink);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-desc{font-size:13.5px;line-height:1.6;color:var(--gray);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-grades-prev{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px;max-height:54px;overflow:hidden}
.pc-g{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:3px 8px;line-height:1.3}
.pc-g.pc-more{color:var(--accent);background:rgba(var(--accent-rgb),.08);border-color:rgba(var(--accent-rgb),.2)}
.pc-meta{margin-top:2px;padding-top:10px;border-top:1px solid var(--line);font-size:12.5px;color:#9aa6b8;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:12px}
.pc-view{color:var(--accent);opacity:0;transform:translateX(-4px);transition:opacity .2s,transform .2s}
.prod-card:hover .pc-view{opacity:1;transform:translateX(0)}
[dir=rtl] .pc-view{transform:translateX(4px)}
.prod-empty{text-align:center;color:var(--gray);font-size:15.5px;padding:50px 20px}
.prod-pager{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:28px 0 0}
.prod-pager[hidden]{display:none}
.prod-pager button{min-width:38px;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font:inherit;font-size:13.5px;font-weight:700;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.prod-pager button:hover{border-color:rgba(var(--accent-rgb),.45);color:var(--accent)}
.prod-pager button.active{background:var(--accent);border-color:var(--accent);color:#fff}
.prod-pager button:disabled{cursor:not-allowed;opacity:.45}
.prod-pager .pager-nav{min-width:72px}
.prod-pager .pager-gap{display:inline-flex;align-items:center;height:36px;color:var(--gray);font-size:13px;padding:0 2px}

/* 产品中心 · 牌号级卡片 */
.grade-card{border-radius:12px;text-align:left}
.grade-card .pc-photo{position:relative;display:block;width:100%;height:100%;min-height:0;background:#f6f8fb;overflow:hidden;border-right:1px solid var(--line)}
.grade-card .pc-photo-real{background:linear-gradient(135deg,#f8fafc,#eef3f8)}
.grade-card .pc-photo-fallback{background:#151515}
.grade-card .pc-photo img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .55s var(--ease),filter .55s var(--ease);filter:saturate(.96) contrast(1.02)}
.grade-card .pc-photo-fallback img{object-fit:cover;padding:0;filter:saturate(.92) contrast(1.04)}
.grade-card:hover .pc-photo img{transform:scale(1.05)}
.grade-card .pc-photo::after{content:"";position:absolute;inset:auto 0 0;height:58%;background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.64) 100%)}
.pc-photo-empty{display:flex;align-items:flex-start;justify-content:flex-end;flex-direction:column;padding:18px;background:linear-gradient(135deg,var(--panel-soft),var(--bg-soft))}
.pc-photo-empty::before{content:"";position:absolute;inset:14px;border:1px solid rgba(var(--accent-rgb),.16);border-radius:10px}
.pc-photo-empty::after{background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.58) 100%)}
.pc-mat{position:relative;z-index:1;color:rgba(var(--accent-rgb),.5);font-size:34px;font-weight:800;line-height:1;letter-spacing:0;margin-bottom:auto;max-width:100%;word-break:break-word}
.pc-code{position:absolute;left:10px;right:10px;bottom:10px;z-index:1;color:#fff;font-size:20px;font-weight:800;line-height:1.12;letter-spacing:0;text-shadow:0 2px 14px rgba(0,0,0,.48);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.grade-card .pc-hot{z-index:1}
.pc-maker{font-size:13px;color:var(--ink-2);font-weight:700}
.pc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px;max-height:56px;overflow:hidden;align-content:flex-start}
.pc-tags span{font-size:12px;line-height:1.35;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:4px 9px}
.grade-card .pc-meta{margin-top:10px}
.grade-card .pc-view{opacity:1;transform:none}
.prod-card,.prod-card *{min-width:0}
.pc-maker,.pc-meta span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:760px){
  .prod-grid{grid-template-columns:1fr}
  .prod-card{grid-template-columns:132px minmax(0,1fr);height:190px}
  .pc-body{padding:14px 14px 12px;gap:5px}
  .pc-name{font-size:16px}
  .pc-desc{-webkit-line-clamp:2;font-size:13px}
  .pc-tags{max-height:30px}
  .pc-tags span{font-size:11.5px;padding:3px 8px}
  .pc-code{font-size:16px}
}
@media(max-width:460px){
  .prod-card{grid-template-columns:116px minmax(0,1fr);height:184px}
  .pc-cat{font-size:11px}
  .pc-maker{font-size:12px}
  .pc-meta{font-size:12px;gap:8px}
}

/* 产品详情弹窗 · 牌号级 */
.pm-grade-head{display:grid;grid-template-columns:210px 1fr;gap:22px;align-items:stretch;margin:-30px -32px 22px;padding:26px 32px;background:linear-gradient(135deg,var(--panel-soft),var(--bg-soft));border-bottom:1px solid var(--line);border-radius:18px 18px 0 0}
.pm-grade-img{border-radius:12px;overflow:hidden;background:#151515;box-shadow:0 12px 30px -18px rgba(11,22,34,.55)}
.pm-grade-img img{width:100%;height:100%;min-height:150px;object-fit:cover}
.pm-grade-empty{min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;background:linear-gradient(135deg,var(--panel-soft),var(--bg-soft));color:var(--accent)}
.pm-grade-empty span{font-size:38px;font-weight:800;line-height:1;color:rgba(var(--accent-rgb),.45)}
.pm-grade-empty strong{font-size:22px;color:var(--ink);margin-top:10px}
.pm-grade-title{display:flex;flex-direction:column;justify-content:center}
.pm-grade-title h3{font-size:34px;margin:4px 0 6px;letter-spacing:0}
.pm-grade-title>p:last-child{color:var(--ink-2);font-weight:700;margin:0}
.pm-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.pm-specs span{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:13px;color:var(--ink)}
.pm-specs b{display:block;color:var(--gray);font-size:12px;margin-bottom:4px;font-weight:600}
@media(max-width:700px){.pm-grade-head{grid-template-columns:1fr;margin:-24px -20px 18px;padding:22px 20px}.pm-grade-img img{min-height:190px}.pm-specs{grid-template-columns:1fr}.pm-grade-title h3{font-size:30px}}

/* 产品详情弹窗 */
.prod-modal{position:fixed;inset:0;z-index:200;display:none;align-items:flex-start;justify-content:center;padding:40px 16px;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);overflow-y:auto}
.prod-modal.open{display:flex}
.pm-card{position:relative;width:100%;max-width:720px;background:var(--panel);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.35);animation:pmIn .25s ease}
@keyframes pmIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.pm-close{position:absolute;top:14px;right:16px;width:38px;height:38px;border:none;background:rgba(0,0,0,.05);border-radius:50%;font-size:24px;line-height:1;color:var(--gray);cursor:pointer;z-index:2;transition:background .2s}
.pm-close:hover{background:rgba(0,0,0,.12)}
[dir=rtl] .pm-close{right:auto;left:16px}
.pm-inner{padding:30px 32px 32px}
.pm-head{display:flex;align-items:center;gap:18px;margin:-30px -32px 20px;padding:30px 32px;border-radius:18px 18px 0 0;color:#fff;background:linear-gradient(135deg,#1b3a6b,#0a1c38)}
.pm-head.c-comm{background:linear-gradient(135deg,#1f7a8c,#0c3b46)}
.pm-head.c-eng{background:linear-gradient(135deg,#1b4a8f,#0a1f44)}
.pm-head.c-spec{background:linear-gradient(135deg,#6b2bb0,#2a0f4d)}
.pm-head.c-mod{background:linear-gradient(135deg,#c2562e,#5e1f0e)}
.pm-abbr{flex:none;width:62px;height:62px;border-radius:14px;background:rgba(255,255,255,.16);display:grid;place-items:center;font-size:20px;font-weight:800}
.pm-cat{font-size:13px;font-weight:600;opacity:.85;margin:0 0 2px}
.pm-head h3{margin:0;font-size:20px;color:#fff}
.pm-desc{font-size:15px;line-height:1.7;color:var(--ink-soft,#444);margin:0 0 6px}
.pm-sect{margin-top:22px}
.pm-sect h4{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 12px;padding-left:11px;border-left:3px solid var(--accent)}
[dir=rtl] .pm-sect h4{padding-left:0;padding-right:11px;border-left:none;border-right:3px solid var(--accent)}
.pm-tags{display:flex;flex-wrap:wrap;gap:8px}
.pm-tags span{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink);font-size:13px;padding:5px 13px;border-radius:18px}
.pm-table{width:100%;border-collapse:collapse;font-size:13.5px}
.pm-table{table-layout:fixed}
.pm-table td{padding:9px 12px;border-bottom:1px solid var(--line)}
.pm-table td:first-child{color:var(--gray);width:46%}
.pm-table td:last-child{font-weight:600;color:var(--ink)}
.pm-table td{overflow-wrap:anywhere;word-break:break-word}
.pm-note{font-size:12px;color:#9aa6b8;margin:8px 0 0;font-style:italic}
.pm-cases{display:grid;gap:12px}
.pm-case{background:var(--bg-soft);border:1px solid var(--line);border-radius:11px;padding:13px 15px}
.pm-case strong{display:block;color:var(--accent);font-size:14px;margin-bottom:4px}
.pm-case p{margin:0;font-size:13px;color:var(--gray);line-height:1.6}
.pm-brands{display:flex;flex-direction:column;gap:14px}
.pm-brand{display:flex;gap:14px;align-items:flex-start}
.pm-bn{flex:none;width:96px;font-size:13.5px;font-weight:700;color:var(--ink);padding-top:3px}
.pm-grades{display:flex;flex-wrap:wrap;gap:6px}
.pm-grades code{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:3px 9px;font-size:12.5px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.pm-cta{margin-top:26px;text-align:center}

/* 改性定制带 */
.custom-band{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.cb-text .tag-list{margin:18px 0 24px}
.cb-cases{display:grid;gap:14px}
.cb-case{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:16px 18px;box-shadow:0 6px 20px rgba(10,20,40,.05)}
.cb-case strong{display:block;color:var(--accent);font-size:15px;margin-bottom:5px}
.cb-case p{margin:0;font-size:13.5px;color:var(--gray);line-height:1.6}
@media(max-width:760px){.custom-band{grid-template-columns:1fr;gap:28px}.pm-inner{padding:24px 20px}.pm-head{margin:-24px -20px 18px;padding:24px 20px}.pm-brand{flex-direction:column;gap:6px}.pm-bn{width:auto}}

/* ===== 供应版图 · 沙盘 ===== */
/* ===== 合作客户 · 三行弹幕墙 ===== */
.clients-wall{margin-top:14px;display:flex;flex-direction:column;gap:18px}
.clients-row{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.clients-track{display:flex;gap:16px;width:max-content;direction:ltr;animation:clMarqueeL var(--cl-dur,40s) linear infinite}
.clients-row.dir-rtl .clients-track{animation-name:clMarqueeR}
.clients-wall:hover .clients-track{animation-play-state:paused}
@keyframes clMarqueeL{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes clMarqueeR{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.client-chip{flex:none;display:inline-flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:11px 22px;font-size:16px;line-height:1.2;color:var(--ct,#1c48a8);box-shadow:0 4px 16px -10px rgba(11,22,34,.35);white-space:nowrap}
.client-chip .client-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--ct,#1c48a8);opacity:.7}
.client-chip small{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:12px;font-style:normal;font-weight:600;color:#7d8a99;border-left:1px solid var(--line);padding-left:10px}
[dir=rtl] .client-chip small{border-left:0;border-right:1px solid var(--line);padding-left:0;padding-right:10px}
@media(prefers-reduced-motion:reduce){.clients-row{mask-image:none;-webkit-mask-image:none;overflow:visible}.clients-track{animation:none;flex-wrap:wrap;width:auto;justify-content:center}}
@media(max-width:560px){.client-chip{font-size:14px;padding:9px 16px}.client-chip small{display:none}}

.section-map{position:relative;padding:104px 0;background:linear-gradient(160deg,#070708,#121318 60%,#090a0d);color:#fff;overflow:hidden}
.section-map .section-head h2{color:#fff}
.section-map .section-head .eyebrow{color:var(--accent-2)}
.section-map .section-head p{color:rgba(220,230,245,.6)}
.qbmap-wrap{position:relative;max-width:1080px;margin:8px auto 0}
#qbMap{position:relative;width:100%;line-height:0}
.qbmap-svg{width:100%;height:auto;display:block;overflow:visible}
/* 点阵 */
/* 国家轮廓填充 + 点亮 */
.qbmap-land .qbc{fill:rgba(255,255,255,.06);stroke:rgba(255,255,255,.2);stroke-width:.8;vector-effect:non-scaling-stroke;transition:fill .9s ease,stroke .9s ease,filter .9s ease}
.qbmap-on .qbmap-land .qbc{fill:rgba(255,255,255,.1)}
.qbc.lit-home{fill:rgba(255,90,77,.30);stroke:rgba(255,120,105,.85);filter:drop-shadow(0 0 6px rgba(255,90,77,.45))}
.qbc.lit{fill:rgba(255,206,90,.28);stroke:rgba(255,216,120,.85);filter:drop-shadow(0 0 6px rgba(255,206,90,.4))}
/* 中国省界：仅合作省份在动画阶段点亮 */
.qbmap-provinces{pointer-events:none}
.qbmap-prov{fill:rgba(255,255,255,.035);stroke:rgba(255,255,255,.16);stroke-width:.55;vector-effect:non-scaling-stroke;opacity:.18;transition:opacity .55s ease,fill .55s ease,stroke .55s ease,filter .55s ease}
.qbmap-prov.is-dom{fill:rgba(90,209,230,.10);stroke:rgba(90,209,230,.38)}
.qbmap-prov.is-dom.on{opacity:1;fill:rgba(90,209,230,.18);stroke:rgba(132,232,245,.82);filter:drop-shadow(0 0 5px rgba(90,209,230,.38))}
/* 弧线 */
.qbmap-arc{fill:none;stroke-width:1.6;stroke-linecap:round}
.qbmap-arc.dom{stroke:#5ad1e6;filter:drop-shadow(0 0 3px rgba(90,209,230,.6))}
.qbmap-arc.intl{stroke:#ffce5a;filter:drop-shadow(0 0 3px rgba(255,206,90,.55))}
.qbmap-travel{opacity:0}
.qbmap-travel.dom{fill:#bff3fb}
.qbmap-travel.intl{fill:#fff0c8}
/* 节点 */
.qbmap-node{opacity:0;transform-box:fill-box;cursor:pointer}
.qbmap-node{transition:opacity .55s ease,filter .25s ease}
.qbmap-node.on{opacity:1}
.qbmap-node:hover{filter:drop-shadow(0 0 7px rgba(255,255,255,.35))}
.qbmap-node:hover .qbmap-pt{stroke:#fff;stroke-width:1.8}
.qbmap-pt{stroke:#0b0b0d;stroke-width:1}
.qbmap-node.base .qbmap-pt{fill:#ff5a4d}
.qbmap-node.wh .qbmap-pt{fill:#35d08b}
.qbmap-node.dom .qbmap-pt{fill:#5ad1e6}
.qbmap-node.intl .qbmap-pt{fill:#ffd97a}
.qbmap-halo{opacity:0;transition:opacity .8s ease}
.qbmap-node.on .qbmap-halo{opacity:1}
.qbmap-ring{fill:none;stroke-width:2;opacity:0}
.qbmap-node.base .qbmap-ring{stroke:#ff5a4d}
.qbmap-node.wh .qbmap-ring{stroke:#35d08b}
.qbmap-node.base.on .qbmap-ring,.qbmap-node.wh.on .qbmap-ring{animation:qbPulse 2.4s ease-out infinite}
@keyframes qbPulse{0%{transform:scale(1);opacity:.85}70%{transform:scale(3);opacity:0}100%{transform:scale(3);opacity:0}}
/* 标签 */
.qbmap-lbl{fill:#f4f5f7;font-size:15px;font-weight:600;paint-order:stroke;stroke:#0b0b0d;stroke-width:3px;stroke-linejoin:round}
.qbmap-lbl-sub{font-size:11px;font-weight:400;fill:rgba(245,247,250,.62);stroke-width:2.4px}
.qbmap-node.intl .qbmap-lbl{font-size:13px;font-weight:500}
/* 图例 + 旁白 */
.qbmap-caption{text-align:center;margin-top:26px;min-height:26px;font-size:17px;font-weight:600;color:var(--accent-2);letter-spacing:.02em;transition:opacity .3s}
.qbmap-tip{position:absolute;z-index:5;max-width:260px;background:rgba(10,20,38,.92);border:1px solid rgba(180,205,240,.22);border-radius:10px;padding:12px 14px;color:#fff;line-height:1.5;box-shadow:0 18px 46px -18px rgba(0,0,0,.65);pointer-events:none;opacity:0;transform:translateY(6px);transition:opacity .18s,transform .18s;backdrop-filter:blur(10px)}
.qbmap-tip.show{opacity:1;transform:none}
.qbmap-tip strong{display:block;font-size:14px;margin-bottom:3px}
.qbmap-tip span{display:block;color:var(--accent-2);font-size:12px}
.qbmap-tip p{margin:7px 0 0;color:rgba(235,242,252,.72);font-size:12px}
.qbmap-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:18px}
.qbmap-legend span,.qbmap-legend button{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(220,230,245,.78)}
.qbmap-legend button{height:36px;padding:0 14px;border:1px solid rgba(220,230,245,.18);border-radius:999px;background:rgba(255,255,255,.04);font-family:inherit;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.qbmap-legend button:hover,.qbmap-legend button:focus-visible{background:rgba(255,255,255,.1);border-color:rgba(220,230,245,.36);color:#fff;outline:none}
.qbmap-legend i{width:11px;height:11px;border-radius:50%;flex:none;box-shadow:0 0 8px currentColor}
.qbmap-legend .lg-base{background:#ff5a4d;color:#ff5a4d}
.qbmap-legend .lg-dom{background:#5ad1e6;color:#5ad1e6}
.qbmap-legend .lg-intl{background:#ffce5a;color:#ffce5a}
.qbmap-legend .lg-wh{background:#35d08b;color:#35d08b;box-shadow:0 0 0 2px rgba(53,208,139,.32)}
#qbMap[data-filter="base"] .qbmap-node:not(.base),#qbMap[data-filter="base"] .qbmap-arc,#qbMap[data-filter="dom"] .qbmap-node:not(.dom):not(.base),#qbMap[data-filter="intl"] .qbmap-node:not(.intl):not(.base),#qbMap[data-filter="wh"] .qbmap-node:not(.wh):not(.base){opacity:.18}
#qbMap[data-filter="base"] .qbmap-prov,#qbMap[data-filter="intl"] .qbmap-prov,#qbMap[data-filter="wh"] .qbmap-prov{opacity:.08}
#qbMap[data-filter="dom"] .qbmap-prov.is-dom{opacity:1;fill:rgba(90,209,230,.22);stroke:rgba(132,232,245,.95)}
#qbMap[data-filter="dom"] .qbmap-arc.intl,#qbMap[data-filter="intl"] .qbmap-arc.dom,#qbMap[data-filter="base"] .qbmap-travel,#qbMap[data-filter="wh"] .qbmap-arc{opacity:.16}
#qbMap[data-filter="dom"] .qbmap-arc.dom,#qbMap[data-filter="intl"] .qbmap-arc.intl{opacity:1}
@media(max-width:680px){.section-map{padding:72px 0}.qbmap-lbl{font-size:18px}.qbmap-lbl-sub{font-size:13px}.qbmap-node.intl .qbmap-lbl{font-size:16px}.qbmap-caption{font-size:15px}}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:40px 36px}
.contact-form .fld{margin-bottom:18px}
.contact-form label{display:block;font-size:14px;margin-bottom:7px;font-weight:500}
.contact-form input,.contact-form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:var(--bg);color:var(--ink);transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}
.form-note{font-size:12.5px;color:var(--gray);margin-top:14px}

/* ===== 滚动动画（带安全兑底：无JS/减少动画时直接显示） ===== */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .nav-menu{position:fixed;top:78px;left:0;right:0;background:var(--panel);flex-direction:column;gap:0;padding:10px 0;box-shadow:0 12px 24px -16px rgba(0,0,0,.3);transform:translateY(-130%);transition:transform .4s var(--ease)}
  .nav-menu.open{transform:none}
  .nav-menu a{color:var(--ink);padding:15px 28px;width:100%;text-shadow:none}
  .nav-toggle{display:flex}
  .about-grid,.contact-grid,.trade-grid{grid-template-columns:1fr;gap:40px}
  .trade-media{order:-1}
  .product-grid,.product-grid-6,.stat-grid,.value-grid{grid-template-columns:repeat(2,1fr)}
  .cat-block,.about-intro,.subject-grid{grid-template-columns:1fr;gap:32px}
  .cat-block:nth-child(even) .cat-media{order:0}
  .page-banner{height:260px}
  .section{padding:80px 0}
  .stat{border-left:0}
}
@media(max-width:560px){
  .product-grid,.product-grid-6,.stat-grid,.value-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
}

/* ===== 语言切换器 ===== */
.lang-switch{position:relative;flex:none;margin-left:26px}
.lang-btn{
  display:flex;align-items:center;gap:7px;background:transparent;border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-family:inherit;padding:7px 12px;border-radius:8px;cursor:pointer;
  transition:background .25s,border-color .25s,color .35s;white-space:nowrap;
}
.lang-btn:hover{background:var(--bg-soft)}
.lang-globe{font-size:15px;line-height:1}
.lang-caret{font-size:10px;opacity:.7;transition:transform .25s}
.lang-switch.open .lang-caret{transform:rotate(180deg)}
/* 滚动后/内页：白底导航 -> 深色切换器 */
.site-header.scrolled .lang-btn,body.inner .lang-btn{color:var(--ink);border-color:var(--line)}
.site-header.scrolled .lang-btn:hover,body.inner .lang-btn:hover{background:var(--bg-soft)}
.lang-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:340px;max-height:74vh;overflow-y:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 24px 60px -24px rgba(11,22,34,.4);padding:14px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.22s var(--ease);z-index:200;
}
.lang-switch.open .lang-panel{opacity:1;visibility:visible;transform:none}
.lang-group{
  grid-column:1/-1;font-size:10.5px;font-weight:700;letter-spacing:.1em;color:var(--gray);
  text-transform:uppercase;padding:12px 6px 6px;margin:0;
  border-top:1px solid var(--line);
}
.lang-group:first-child{border-top:0;padding-top:2px}
.lang-opt{
  display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:none;border:0;cursor:pointer;
  font-family:inherit;font-size:14px;color:var(--ink);padding:9px 10px;border-radius:8px;transition:.15s;
}
.lang-opt:hover{background:var(--bg-soft)}
.lang-opt.active{color:var(--accent);font-weight:600;background:rgba(var(--accent-rgb),.08)}
/* 两列网格：同一地区的语言并排，更紧凑 */
.lang-opts-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-bottom:2px}

/* ===== RTL（阿拉伯语） ===== */
[dir="rtl"] .nav-menu a::after{left:auto;right:0}
[dir="rtl"] .lang-switch{margin-left:0;margin-right:26px}
[dir="rtl"] .lang-panel{right:auto;left:0}
[dir="rtl"] .lang-opt{text-align:right}
[dir="rtl"] .trade-list,[dir="rtl"] .contact-card ul,[dir="rtl"] .hero-content{text-align:right}
[dir="rtl"] .breadcrumb{direction:rtl}

@media(max-width:900px){
  .theme-toggle{margin-left:auto}
  .lang-switch{margin:0 14px 0 0;order:0}
  .lang-panel{right:0}
}

/* ===== 移动端收口：防止后续功能把页面挤出屏幕 ===== */
@media(max-width:640px){
  html,body{overflow-x:hidden}
  .container{padding-left:18px;padding-right:18px}
  .nav-inner{height:68px;gap:8px}
  .brand{gap:8px;min-width:0;flex:1}
  .brand-mark{width:48px;height:38px}
  .brand-text{min-width:0}
  .brand-text strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .brand-text em{display:none}
  .nav-toggle{flex:none}
  .nav-menu{top:68px}
  .nav-menu a{padding:14px 20px}
  .theme-toggle{width:36px;height:36px;margin-left:auto}
  .lang-switch{order:0;margin-left:0;margin-right:4px}
  .lang-btn{height:36px;padding:0 9px;font-size:13px;border-radius:9px}
  .lang-panel{position:fixed;top:74px;left:14px;right:14px;width:auto;max-height:calc(100vh - 92px);padding:12px;border-radius:12px}
  .lang-opts-grid{grid-template-columns:1fr}
  .lang-opt{padding:8px 9px}
  .hero{height:auto;min-height:650px;padding:116px 0 72px}
  .hero h1{font-size:40px;margin-bottom:20px}
  .hero-sub{font-size:15px;margin-bottom:28px}
  .hero-sub br{display:none}
  .hero-search{width:100%;max-width:none}
  .hero-search input{width:100%;font-size:15px}
  .hero-quick{gap:8px;margin-top:16px;font-size:13px}
  .hero-quick a{max-width:100%;white-space:normal;padding:4px 11px}
  .section{padding:70px 0}
  .section-head{margin-bottom:34px}
  .page-banner{height:240px}
  .prod-search{max-width:none;margin-bottom:18px}
  .prod-tabs,.prod-family-tabs{
    justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;gap:8px;
    margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px;padding-bottom:5px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .prod-tabs::-webkit-scrollbar,.prod-family-tabs::-webkit-scrollbar{display:none}
  .prod-tab,.prod-family-tab{flex:0 0 auto;white-space:nowrap}
  .prod-count{margin:-8px 0 16px;font-size:12.5px}
  .prod-grid{gap:14px}
  .prod-card{width:100%;max-width:100%;grid-template-columns:112px minmax(0,1fr);height:auto;min-height:178px}
  .pc-body{padding:13px 12px 12px;gap:5px}
  .pc-cat{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .pc-name{font-size:16px}
  .pc-maker{font-size:12px}
  .pc-desc{font-size:12.8px;line-height:1.48;-webkit-line-clamp:2}
  .pc-tags{display:none}
  .pc-code{font-size:15px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .pc-meta{margin-top:4px;padding-top:8px;font-size:12px}
  .pc-view{flex:none;white-space:nowrap}
  .prod-pager{gap:6px}
  .prod-pager button{min-width:34px;height:34px;padding:0 10px}
  .prod-pager .pager-nav{min-width:62px}
  .prod-modal{padding:18px 10px}
  .pm-card{border-radius:14px;max-width:100%}
  .pm-inner{padding:22px 16px 24px}
  .pm-close{top:10px;right:10px}
  [dir=rtl] .pm-close{right:auto;left:10px}
  .pm-grade-head{grid-template-columns:1fr;margin:-22px -16px 18px;padding:18px 16px;gap:14px;border-radius:14px 14px 0 0}
  .pm-grade-img img{min-height:150px;max-height:210px;object-fit:contain;background:var(--panel-soft);padding:10px}
  .pm-grade-title h3{font-size:26px;overflow-wrap:anywhere}
  .pm-specs{grid-template-columns:1fr}
  .pm-specs span{overflow-wrap:anywhere}
  .pm-table,.pm-table tbody,.pm-table tr,.pm-table td{display:block;width:100%}
  .pm-table tr{padding:9px 0;border-bottom:1px solid var(--line)}
  .pm-table td{border-bottom:0;padding:2px 0}
  .pm-table td:first-child{width:100%;font-size:12px}
  .pm-note{font-size:11.5px;line-height:1.55}
  .footer-nav{gap:14px;flex-wrap:wrap}
  .footer-bottom .container{font-size:12.5px}
}

@media(max-width:380px){
  .container{padding-left:14px;padding-right:14px}
  .brand-mark{width:43px;height:34px}
  .brand-text strong{font-size:14px}
  .lang-btn{padding:0 7px}
  .prod-card{grid-template-columns:102px minmax(0,1fr);min-height:174px}
  .pc-body{padding:12px 10px}
}