@charset "utf-8";
/* ============================================================
   临港设备用钢专供 — 站点样式
   主色 #D83A2E / 背景 #F5F3F3
   ============================================================ */

:root{
  --red:#D83A2E;
  --red-d:#B62C22;
  --red-soft:#F3DDD9;
  --bg:#F5F3F3;
  --paper:#FBFAF9;
  --ink:#1A1918;
  --ink-2:#4B4744;
  --ink-3:#6E6864;
  --muted:#918A85;
  --line:#DED7D2;
  --line-2:#EAE4DF;
  --steel:#232C2C;
  --steel-2:#2E3938;
  --sand:#EBE4DD;
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
  --wrap:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--red);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 44px}
.skip{position:absolute;left:-9999px;top:0;background:var(--red);color:#fff;padding:10px 18px;z-index:999}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--steel);color:#CFCAC5;font-size:12px;letter-spacing:.12em}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:34px}
.topbar-loc{display:inline-flex;align-items:center;gap:9px;white-space:nowrap}
.topbar-loc i{width:18px;height:3px;background:#000;display:inline-block;border-radius:0}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-tel{color:#EDE9E5;letter-spacing:.14em;font-variant-numeric:tabular-nums;white-space:nowrap}
.topbar-tel:hover{color:#fff}
.lang-btn{
  border:1px solid rgba(255,255,255,.32);color:#EDE9E5;
  font-size:11px;letter-spacing:.14em;padding:2px 9px;line-height:1.6;transition:.2s;
}
.lang-btn:hover{background:var(--red);border-color:var(--red);color:#fff}
html[data-lang="zh"] .lang-en{display:none}
html[data-lang="en"] .lang-zh{display:none}
html[data-lang="zh"] .en-only{display:none !important}
html[data-lang="en"] .zh-only{display:none !important}
.en-only{font-size:13.5px;line-height:1.95;color:var(--ink-3);letter-spacing:.01em}
.dark .en-only{color:#B8B2AC}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,243,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-2);
  transition:box-shadow .3s var(--ease);
}
.nav.scrolled{box-shadow:0 8px 28px -20px rgba(26,25,24,.55)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:80px;gap:22px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;background:var(--red);color:#fff}
.brand-ico{width:21px;height:21px}
.brand-txt b{display:block;font-family:var(--serif);font-size:20px;letter-spacing:.14em;line-height:1.2}
.brand-txt i{display:block;font-style:normal;font-size:8.5px;letter-spacing:.2em;color:var(--muted);margin-top:3px;text-transform:uppercase}
.menu{display:flex;align-items:center;gap:24px}
.menu a{
  position:relative;font-size:14px;color:var(--ink-2);padding:6px 0;letter-spacing:.03em;
  transition:color .2s;
}
.menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.menu a:hover{color:var(--ink)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu a.on{color:var(--red)}
.burger{display:none;width:42px;height:42px;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:1.5px;background:var(--ink);transition:.28s var(--ease)}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg)}

.drawer{
  position:fixed;inset:114px 0 0;z-index:75;background:var(--bg);
  padding:24px 24px 40px;overflow:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s var(--ease);
}
.drawer.open{transform:none;opacity:1;pointer-events:auto}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:17px 2px;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:19px;
}
.drawer nav a em{font-style:normal;font-family:var(--sans);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.drawer-cta{margin-top:26px;background:var(--red);color:#fff !important;justify-content:center !important;border:0 !important;font-family:var(--sans) !important;font-size:15px !important;padding:16px !important}

/* ---------- 通用区块 ---------- */
main{display:block}
section{padding:104px 0}
section.tight{padding:64px 0}
section.dark{background:var(--steel);color:#E8E4E0}
section.paper{background:var(--paper)}
.eyebrow{
  display:flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--red);margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--red);display:inline-block}
.dark .eyebrow{color:#E88A80}
.dark .eyebrow::before{background:#E88A80}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:56px}
.section-head h2{font-size:clamp(27px,3.2vw,42px);letter-spacing:.02em}
.section-head h2 em{font-style:normal;color:var(--red)}
.section-head .side{max-width:430px;font-size:14.5px;line-height:1.95;color:var(--ink-3);padding-bottom:6px}
.no{font-family:var(--sans);font-size:11.5px;letter-spacing:.24em;color:var(--muted);margin-bottom:14px}
.lead{font-size:16.5px;line-height:2;color:var(--ink-2)}
.dark .lead,.dark p{color:#C9C4BF}

/* ---------- Hero ---------- */
.hero{position:relative;padding:0;overflow:hidden;background:var(--bg)}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(216,58,46,.10),rgba(216,58,46,0) 68%);
  pointer-events:none;
}
.hero .wrap{
  position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;
  gap:72px;align-items:center;padding-top:76px;padding-bottom:72px;
}
.hero h1{
  font-size:clamp(38px,5vw,66px);line-height:1.24;letter-spacing:.01em;margin:0 0 26px;
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;
  background:var(--red);opacity:.16;z-index:-1;
}
.hero .lead{max-width:33em;font-size:16.5px;line-height:2;color:var(--ink-2);margin-bottom:30px}
.hero .en-line{
  font-size:12.5px;letter-spacing:.06em;color:var(--muted);line-height:1.9;
  border-left:2px solid var(--line);padding-left:14px;margin-bottom:30px;max-width:38em;
}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 26px;
  font-size:14.5px;letter-spacing:.05em;border:1px solid transparent;transition:.24s var(--ease);
}
.btn svg{width:16px;height:16px}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d);transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.hero-stats div{background:var(--bg);padding:13px 16px}
.hero-stats b{display:block;font-family:var(--serif);font-size:25px;line-height:1.25;letter-spacing:.01em;font-variant-numeric:tabular-nums;white-space:nowrap}
.hero-stats b i{font-style:normal;font-size:12.5px;color:var(--muted);margin-left:3px;font-family:var(--sans)}
.hero-stats span{display:block;font-size:11px;color:var(--muted);letter-spacing:.09em;margin-top:4px}
.hero-art{position:relative;margin:0}
.hero-art svg{width:100%;height:auto;display:block}
.hero-art figcaption{
  font-size:11.5px;color:var(--muted);letter-spacing:.05em;margin-top:14px;
  border-top:1px solid var(--line);padding-top:12px;line-height:1.8;
}

/* ---------- 卡片与网格 ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pcard{background:var(--paper);padding:34px 30px 30px;display:flex;flex-direction:column;transition:background .25s var(--ease)}
.pcard:hover{background:#fff}
.pcard-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.pcard .ico{width:26px;height:26px;color:var(--red)}
.pcard .num{font-size:11px;letter-spacing:.16em;color:var(--muted)}
.pcard h3{font-size:21px;margin-bottom:5px}
.pcard .en{display:block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.pcard p{font-size:14px;line-height:1.9;color:var(--ink-3);margin-bottom:18px}
.pcard ul{display:grid;gap:7px;margin-bottom:20px}
.pcard ul li{display:flex;justify-content:space-between;gap:14px;font-size:12.5px;color:var(--ink-2);border-bottom:1px dashed var(--line-2);padding-bottom:7px}
.pcard ul li em{font-style:normal;color:var(--red);white-space:nowrap;font-size:12px}
.pcard .more{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--red)}
.pcard .more svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.pcard:hover .more svg{transform:translateX(4px)}
.card.filler,.pcard.filler{background:var(--steel);color:#E8E4E0}
.card.filler .ico,.pcard.filler .ico{color:#E88A80}
.card.filler h3,.pcard.filler h3{color:#fff}
.card.filler .en,.pcard.filler .en{color:#8A847E}
.card.filler p,.pcard.filler p{color:#A9A29C}
.card.filler:hover,.pcard.filler:hover{background:var(--steel-2)}
.pcard.filler .more{color:#E88A80}
@media (min-width:641px){
  .grid-3 .card.filler,.pgrid .pcard.filler{grid-column:span 2}
}
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);padding:34px 32px;transition:background .25s var(--ease);position:relative}
.card:hover{background:#fff}
.card .ico{width:26px;height:26px;color:var(--red);margin-bottom:20px}
.card .num{position:absolute;right:24px;top:24px;font-size:11px;letter-spacing:.16em;color:var(--muted)}
.card h3{font-size:20px;margin-bottom:6px}
.card .en{display:block;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.card p{font-size:14px;line-height:1.95;color:var(--ink-3)}
.card .more{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;color:var(--red);letter-spacing:.05em}
.card .more svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.card:hover .more svg{transform:translateX(4px)}

/* ---------- 数字条 ---------- */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
.figures div{padding:28px 24px 26px;background:var(--steel)}
.figures b{display:block;font-family:var(--serif);font-size:34px;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.figures b i{font-style:normal;font-size:13px;color:#A9A29C;margin-left:4px;font-family:var(--sans)}
.figures span{display:block;font-size:12px;color:#A9A29C;letter-spacing:.1em;margin-top:8px}

/* ---------- 上下游链条 ---------- */
.chain{display:grid;grid-template-columns:1fr 96px 1fr 96px 1fr;align-items:stretch;gap:0}
.chain-node{border:1px solid var(--line);background:var(--paper);padding:30px 28px}
.chain-node .tag{font-size:11px;letter-spacing:.2em;color:var(--red);text-transform:uppercase}
.chain-node h3{font-size:19px;margin:10px 0 8px}
.chain-node p{font-size:13.5px;line-height:1.9;color:var(--ink-3)}
.chain-arrow{display:grid;place-items:center;color:var(--line);position:relative}
.chain-arrow::before{content:"";position:absolute;left:14px;right:14px;top:50%;height:1px;background:var(--line)}
.chain-arrow svg{position:relative;background:var(--bg);width:18px;height:18px;color:var(--red)}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);background:var(--paper)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
thead th{
  background:#F0EBE7;color:var(--ink-2);font-weight:500;font-size:11.5px;letter-spacing:.1em;
  text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:13px 16px;border-bottom:1px solid var(--line-2);vertical-align:top;color:var(--ink-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#FFFDFC}
td.grade{font-family:var(--sans);font-weight:600;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.8}

/* ---------- 牌号库 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 26px}
.chip{
  border:1px solid var(--line);background:var(--paper);padding:7px 15px;font-size:13px;
  color:var(--ink-2);letter-spacing:.04em;transition:.2s var(--ease);
}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}
.search-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:20px}
.search-box{position:relative;flex:1;min-width:260px;max-width:420px}
.search-box input{
  width:100%;border:1px solid var(--line);background:var(--paper);padding:12px 42px 12px 15px;
  font:inherit;font-size:14px;color:var(--ink);
}
.search-box input:focus{outline:none;border-color:var(--red)}
.search-box svg{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted)}
.count{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:14px}

/* ---------- 产品页 ---------- */
.page-head{padding:64px 0 0}
.page-head .wrap{max-width:1080px}
.page-head h1{font-size:clamp(32px,4.2vw,52px);line-height:1.3;margin:14px 0 18px}
.page-head h1 em{font-style:normal;color:var(--red)}
.page-head .lead{max-width:44em}
.page-head .en-sub{font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.crumb{padding-top:24px;font-size:12px;color:var(--muted);letter-spacing:.04em}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--line);}
.crumb a:hover{color:var(--red)}

.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.split h3{font-size:21px;margin-bottom:16px}
.split p{font-size:15px;line-height:2;color:var(--ink-2)}
.split p+p{margin-top:14px}
.quote{
  border-left:2px solid var(--red);padding:6px 0 6px 24px;margin:30px 0;
  font-family:var(--serif);font-size:19px;line-height:1.85;color:var(--ink);
}
.note{
  background:var(--sand);padding:22px 24px;font-size:13.5px;line-height:1.95;color:var(--ink-2);
}
.note b{color:var(--ink);display:block;margin-bottom:6px;font-size:12px;letter-spacing:.12em}

/* ---------- 产业圈示意 ---------- */
.ring-figure{margin:0}
.ring-figure figcaption{margin-top:16px;font-size:12px;color:var(--muted);line-height:1.8}
.zone-list{display:grid;gap:0;border-top:1px solid var(--line)}
.zone-list li{
  display:grid;grid-template-columns:64px 1fr 1.1fr;gap:24px;align-items:baseline;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.zone-list .zn{font-family:var(--serif);font-size:13px;color:var(--red);letter-spacing:.1em}
.zone-list h4{font-family:var(--serif);font-size:18px;margin:0}
.zone-list h4 em{display:block;font-style:normal;font-family:var(--sans);font-size:10.5px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:4px}
.zone-list p{font-size:13.5px;color:var(--ink-3);line-height:1.85}

/* ---------- 上下页 ---------- */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pn a{background:var(--bg);padding:26px 44px;transition:background .2s}
.pn a:hover{background:var(--paper)}
.pn small{display:block;font-size:11px;letter-spacing:.16em;color:var(--muted);margin-bottom:6px}
.pn b{font-family:var(--serif);font-size:17px;font-weight:600}
.pn-r{text-align:right}

/* ---------- 关键词 ---------- */
.keys{background:var(--sand);padding:44px 0}
.keys-row{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
.keys-label{font-size:11px;letter-spacing:.2em;color:var(--ink-3);text-transform:uppercase;white-space:nowrap}
.keys-list{display:flex;flex-wrap:wrap;gap:0}
.keys-list a{
  font-size:13.5px;color:var(--ink-2);padding:4px 0;margin-right:22px;
  border-bottom:1px solid rgba(26,25,24,.22);transition:.2s;
}
.keys-list a:hover{color:var(--red);border-color:var(--red)}

/* ---------- 页脚 ---------- */
.foot{background:var(--steel);color:#B7B1AB;padding:70px 0 26px;font-size:13px}
.foot-top{display:grid;grid-template-columns:1.15fr 1.85fr;gap:60px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand{display:flex;gap:14px;align-items:flex-start}
.foot-brand b{display:block;font-family:var(--serif);font-size:21px;color:#fff;letter-spacing:.14em}
.foot-brand i{display:block;font-style:normal;font-size:8.5px;letter-spacing:.2em;color:#8A847E;margin:4px 0 14px;text-transform:uppercase}
.foot-brand p{font-size:12.5px;line-height:1.95;color:#948E88;font-family:var(--sans)}
.foot-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.foot-col h4{font-family:var(--sans);font-size:11px;letter-spacing:.18em;color:#7E7872;font-weight:500;margin-bottom:14px;text-transform:uppercase}
.foot-col a{display:block;font-size:13.5px;color:#C6C0BA;padding:5px 0;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:24px;font-size:12.5px;color:#CFCAC5;letter-spacing:.06em}

/* ---------- 详情页 / 数据页 ---------- */
.sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;line-height:1.6;margin-top:3px}
td b{font-weight:600;color:var(--ink)}
table.mini{min-width:0;font-size:13.5px}
table.mini thead th{padding:11px 14px}
table.mini tbody td{padding:11px 14px}
.gcell{color:var(--ink);font-size:13.5px;line-height:1.9}
.gcell a{color:var(--red);border-bottom:1px solid rgba(216,58,46,.28);padding-bottom:1px}
.gcell a:hover{background:rgba(216,58,46,.07)}
.gcell a+a{margin-left:9px}
.gchips{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.gchip{background:var(--paper);padding:13px 16px;display:flex;justify-content:space-between;align-items:baseline;gap:10px;transition:background .2s}
.gchip b{font-size:14.5px;letter-spacing:.02em}
.gchip i{font-style:normal;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.gchip:hover{background:#fff}
.gchip.plain{opacity:.7}
.stock-box{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:22px}
.stock-box div{background:var(--sand);padding:22px 20px}
.stock-box b{display:block;font-family:var(--serif);font-size:29px;line-height:1.2;font-variant-numeric:tabular-nums}
.stock-box b i{font-style:normal;font-size:12px;color:var(--muted);font-family:var(--sans)}
.stock-box span{display:block;font-size:11.5px;color:var(--ink-3);margin-top:6px;line-height:1.6}
.fam{display:inline-block;font-size:11px;letter-spacing:.06em;padding:2px 8px;border:1px solid var(--line);color:var(--ink-3);background:var(--bg);white-space:nowrap}
.bars{display:grid;gap:16px}
.bar-row{display:grid;grid-template-columns:110px 1fr 92px;gap:18px;align-items:center}
.bl{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.bar{height:10px;background:var(--line-2);display:block;position:relative;overflow:hidden}
.bar i{position:absolute;left:0;top:0;bottom:0;background:var(--red);display:block}
.bn,.bt{font-size:12.5px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
.bt{color:var(--ink-2)}
.tag-stock,.tag-part,.tag-order{display:inline-block;font-size:11px;letter-spacing:.05em;padding:2px 8px;white-space:nowrap}
.tag-stock{background:rgba(216,58,46,.09);color:var(--red)}
.tag-part{background:#EDE7E1;color:#7A6E63}
.tag-order{background:var(--steel);color:#fff}
.match-tbl td.pname{border-right:1px solid var(--line);background:var(--paper);vertical-align:top}
.match-tbl td.pname b{display:block;font-family:var(--serif);font-size:16px;color:var(--ink)}
.match-tbl td.pname em{display:block;font-style:normal;font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-top:5px;line-height:1.5}
.match-tbl tr.grp td{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:2px 0}
.faq summary{cursor:pointer;padding:20px 34px 20px 0;font-family:var(--serif);font-size:18px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);color:var(--red);font-family:var(--sans);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 22px;font-size:14.5px;color:var(--ink-3);max-width:62em;line-height:1.95}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.contact-main{background:var(--paper);padding:50px 44px}
.contact-side{background:var(--sand);padding:50px 44px}
.big-tel{display:block;font-family:var(--serif);font-size:clamp(32px,4.4vw,52px);letter-spacing:.03em;font-variant-numeric:tabular-nums;margin:4px 0 10px}
.big-tel:hover{color:var(--red)}
.tel-note{font-size:13px;color:var(--muted)}
.contact-meta{margin-top:34px;border-top:1px solid var(--line)}
.contact-meta div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line-2);font-size:13.5px}
.contact-meta span{color:var(--muted);white-space:nowrap}
.contact-meta b{font-weight:500;text-align:right}
.checklist li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(26,25,24,.12);font-size:13.5px}
.checklist b{font-weight:600}
.checklist span{color:var(--ink-3);text-align:right;font-size:12.5px}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .menu{gap:16px}
  .menu a{font-size:13px}
  .hero .wrap{gap:44px}
}
@media (max-width:1024px){
  .wrap{padding:0 30px}
  .menu{display:none}
  .burger{display:block}
  .hero .wrap{grid-template-columns:1fr;gap:44px;padding-top:52px;padding-bottom:48px}
  .hero-art{max-width:600px}
  .split{grid-template-columns:1fr;gap:40px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .chain{grid-template-columns:1fr}
  .chain-arrow{padding:14px 0}
  .chain-arrow::before{left:50%;right:auto;top:8px;bottom:8px;width:1px;height:auto}
  .chain-arrow svg{transform:rotate(90deg)}
  .foot-top{grid-template-columns:1fr;gap:40px}
  section{padding:84px 0}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .figures{grid-template-columns:repeat(2,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:40px}
  .section-head .side{max-width:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .contact-main,.contact-side{padding:34px 26px}
  .gchips{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .topbar .wrap{height:32px}
  .topbar-loc{font-size:9.5px;letter-spacing:.03em;gap:6px}
  .topbar-right{gap:10px}
  .topbar-tel{font-size:10px;letter-spacing:.06em}
  .nav .wrap{height:66px}
  .brand-txt b{font-size:17px;letter-spacing:.1em}
  .brand-txt i{font-size:7.5px;letter-spacing:.14em}
  .brand-mark{width:32px;height:32px}
  .drawer{inset:98px 0 0}
  .hero h1{font-size:clamp(30px,8.4vw,40px);line-height:1.32}
  .hero .lead{font-size:15px;line-height:1.95}
  .hero-acts .btn{flex:1;justify-content:center;font-size:14px;padding:13px 12px;letter-spacing:.02em}
  section{padding:64px 0}
  section.tight{padding:44px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .pgrid{grid-template-columns:1fr}
  .card{padding:26px 22px}
  .page-head{padding:34px 0 0}
  .page-head h1{font-size:31px}
  .figures b{font-size:27px}
  .pn a{padding:22px 20px}
  .pn b{font-size:15px}
  .keys-list a{font-size:12.5px;margin-right:16px}
  .zone-list li{grid-template-columns:1fr;gap:8px}
  .foot{padding:52px 0 22px}
  .foot-nav{grid-template-columns:repeat(2,1fr);gap:24px}
  .foot-bot{flex-direction:column}
  table{font-size:13px;min-width:680px}
  thead th,tbody td{padding:11px 12px}
}