/* ============ RESET & TOKENS ============ */
:root{
  --bg0:#0a0d10; --bg1:#10151a; --bg2:#151c23; --bg3:#1b242d;
  --steel-hi:#e8edf2; --steel:#b8c2cc; --steel-dim:#8a97a3;
  --accent:#2fe08c; --accent2:#17b56d; --accent-dim:rgba(47,224,140,.14);
  --cyan:#39c5ff; --amber:#ffb547;
  --line:rgba(184,194,204,.14); --line-hi:rgba(184,194,204,.28);
  --metal-grad:linear-gradient(135deg,#f2f6f9 0%,#c3ccd5 18%,#98a4af 38%,#d7dee5 55%,#aab5c0 75%,#e4eaef 100%);
  --card-grad:linear-gradient(160deg,rgba(232,237,242,.055),rgba(232,237,242,.015));
  --glow:0 0 24px rgba(47,224,140,.25);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
  background:var(--bg0);color:var(--steel);line-height:1.75;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:rgba(47,224,140,.35);color:#fff}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
section{padding:84px 0;position:relative}

/* tech grid backdrop */
.techbg{position:relative}
.techbg::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    linear-gradient(rgba(184,194,204,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(184,194,204,.045) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
}

/* section headers */
.sec-head{text-align:center;margin-bottom:52px;position:relative;z-index:1}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:5px;color:var(--accent);
  padding:6px 18px;border:1px solid rgba(47,224,140,.35);border-radius:999px;background:var(--accent-dim);margin-bottom:16px}
.kicker::before,.kicker::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,rgba(47,224,140,.7))}
.kicker::after{transform:scaleX(-1)}
.sec-head h2{font-size:34px;letter-spacing:2px;color:var(--steel-hi);
  background:linear-gradient(180deg,#ffffff 20%,#aeb9c4 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head p{color:var(--steel-dim);margin-top:12px;max-width:780px;margin-left:auto;margin-right:auto;font-size:15.5px}

/* ============ NAV ============ */
header{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);
  background:
    linear-gradient(90deg,rgba(10,13,16,.97) 0%,rgba(10,13,16,.90) 46%,rgba(10,13,16,.48) 100%),
    url("hdr-bg.jpg") center right/cover no-repeat,#0a0d10;
  border-bottom:1px solid var(--line)}
header::after{content:"";position:absolute;left:0;right:0;top:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,224,140,.5),transparent)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{height:30px;filter:drop-shadow(0 0 8px rgba(57,197,255,.35))}
.brand .cn{font-size:11.5px;color:var(--steel-dim);border-left:1px solid var(--line-hi);padding-left:12px;line-height:1.45;white-space:nowrap}
.nav ul{display:flex;gap:17px;list-style:none;font-size:13px;flex-wrap:nowrap}
.nav ul a{color:var(--steel);font-weight:500;position:relative;padding:4px 0;letter-spacing:.5px;white-space:nowrap;display:inline-block}
.nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--cyan));transition:.25s}
.nav ul a:hover{color:var(--steel-hi)}
.nav ul a:hover::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:10px;font-weight:600;font-size:14.5px;letter-spacing:1px;transition:.2s;position:relative;white-space:nowrap}
.btn.primary{color:#04150c;background:linear-gradient(135deg,#5cf0ab,var(--accent) 45%,#12a35f);
  box-shadow:0 0 18px rgba(47,224,140,.35),inset 0 1px 0 rgba(255,255,255,.5)}
.btn.primary:hover{box-shadow:0 0 30px rgba(47,224,140,.55);transform:translateY(-1px)}
.btn.metal{color:#0d1216;background:var(--metal-grad);box-shadow:inset 0 1px 0 rgba(255,255,255,.8),inset 0 -1px 0 rgba(0,0,0,.25),0 4px 14px rgba(0,0,0,.4)}
.btn.metal:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.ghost{color:var(--accent);border:1px solid rgba(47,224,140,.5);background:var(--accent-dim)}
.btn.ghost:hover{border-color:var(--accent);box-shadow:var(--glow)}
@media(max-width:1150px){.brand .cn{display:none}.nav{gap:10px}.nav ul{gap:13px;font-size:12.5px}}
@media(max-width:920px){.nav ul{display:none}}

/* ============ HERO ============ */
/* 背景统一在下方 TECH BACKGROUNDS 区定义(此条仅布局) */
.hero{padding:120px 0 90px;overflow:hidden;background:#0a0d10}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(700px 340px at 82% 12%,rgba(57,197,255,.10),transparent 60%),
    radial-gradient(640px 320px at 8% 88%,rgba(47,224,140,.10),transparent 60%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:48px;line-height:1.3;letter-spacing:3px;color:var(--steel-hi);font-weight:800}
.hero h1 .metal-text{background:var(--metal-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 10px rgba(232,237,242,.15))}
.hero h1 .grad-text{background:linear-gradient(90deg,var(--accent),var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{margin-top:20px;font-size:17px;color:var(--steel-dim);max-width:800px}
.hero .sub b{color:var(--steel);font-weight:600}
.tags{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
.tags span{font-size:13px;color:var(--steel);border:1px solid var(--line-hi);background:var(--card-grad);
  padding:6px 16px;border-radius:999px;letter-spacing:1px;backdrop-filter:blur(4px)}
.tags span i{font-style:normal;color:var(--accent);margin-right:6px}
.cta{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stats .s{position:relative;background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;backdrop-filter:blur(6px);overflow:hidden}
.stats .s::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(47,224,140,.7),transparent)}
.stats .b{font-size:28px;font-weight:800;color:var(--steel-hi);letter-spacing:1px}
.stats .b em{font-style:normal;font-size:15px;color:var(--accent)}
.stats .t{font-size:13px;color:var(--steel-dim);margin-top:4px}
@media(max-width:920px){.hero h1{font-size:32px}.stats{grid-template-columns:repeat(2,1fr)}}

/* ============ MARQUEE ============ */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg1);overflow:hidden;padding:14px 0}
.marquee .track{display:flex;gap:56px;white-space:nowrap;animation:mq 30s linear infinite;width:max-content}
.marquee span{font-size:13px;letter-spacing:3px;color:var(--steel-dim);display:inline-flex;align-items:center;gap:10px}
.marquee span::before{content:"◆";color:var(--accent);font-size:9px}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============ CATALOG TABLES ============ */
.cat-tool{display:flex;justify-content:center;gap:14px;margin-bottom:44px;flex-wrap:wrap}
.cat-group{margin-top:46px}
.cat-title{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cat-title .badge{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,#2a3540,#161d24);border:1px solid var(--line-hi);
  color:var(--accent);font-weight:800;font-size:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.cat-title h3{font-size:22px;color:var(--steel-hi);letter-spacing:1px}
.cat-title h3 small{font-weight:500;color:var(--steel-dim);font-size:12.5px;margin-left:10px;letter-spacing:2px}
.cat-title .en{color:var(--steel-dim);font-size:12px;letter-spacing:2px;text-transform:uppercase;margin-left:auto;text-align:right}
.tablebox{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.35);backdrop-filter:blur(6px)}
.tablebox .scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
thead th{background:linear-gradient(180deg,rgba(232,237,242,.10),rgba(232,237,242,.04));
  color:var(--steel-hi);font-weight:600;letter-spacing:1px;text-align:left;padding:13px 16px;
  border-bottom:1px solid var(--line-hi);white-space:nowrap;font-size:13px}
thead th em{display:block;font-style:normal;font-weight:400;color:var(--steel-dim);font-size:11px;letter-spacing:1px}
tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--steel);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .15s}
tbody tr:hover{background:rgba(47,224,140,.05)}
tbody td.hd{color:var(--accent);font-weight:600;white-space:nowrap}
.num{font-variant-numeric:tabular-nums}

/* shape chip */
.chiprow{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12.5px;border:1px solid var(--line-hi);background:rgba(232,237,242,.05);border-radius:8px;padding:3px 10px;letter-spacing:.5px}

/* ============ PRODUCT CATEGORY CARDS ============ */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;position:relative;z-index:1}
.cat{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  backdrop-filter:blur(6px);transition:.25s;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.cat:hover{border-color:rgba(47,224,140,.45);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.45),var(--glow)}
.cat .ph{height:230px;display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:#0d1114;border-bottom:1px solid var(--line)}
.cat .ph.big{grid-template-columns:repeat(3,1fr)}
.cat .ph img{width:100%;height:100%;object-fit:cover;filter:saturate(.92);transition:.3s}
.cat:hover .ph img{filter:saturate(1.05);transform:scale(1.03)}
.cat .bd{padding:24px 26px 28px;flex:1}
.cat h3{font-size:21px;color:var(--steel-hi);letter-spacing:1px}
.cat h3 small{font-weight:500;color:var(--accent);font-size:12.5px;margin-left:10px;letter-spacing:2px}
.cat p{color:var(--steel-dim);margin-top:10px;font-size:14.5px}
.cat ul{margin-top:12px;list-style:none}
.cat ul li{padding-left:24px;position:relative;color:var(--steel);font-size:14px;margin-top:7px}
.cat ul li::before{content:"";position:absolute;left:2px;top:10px;width:9px;height:9px;
  background:linear-gradient(135deg,var(--accent),var(--cyan));transform:rotate(45deg)}
@media(max-width:920px){.cat-grid{grid-template-columns:1fr}}

/* shape gallery */
.shapes{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);
  margin-top:26px;padding:32px;box-shadow:0 10px 30px rgba(0,0,0,.3);position:relative;z-index:1}
.shapes h3{font-size:21px;color:var(--steel-hi)}
.shapes h3 small{font-weight:500;color:var(--steel-dim);font-size:12.5px;margin-left:10px}
.shape-grid{margin-top:20px;display:grid;grid-template-columns:repeat(9,1fr);gap:12px}
.shape{background:linear-gradient(165deg,rgba(232,237,242,.07),rgba(232,237,242,.02));
  border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center;transition:.2s}
.shape:hover{border-color:rgba(47,224,140,.5);box-shadow:var(--glow);transform:translateY(-3px)}
.shape img{aspect-ratio:1;object-fit:cover;border-radius:8px;width:100%;filter:saturate(.9)}
.shape b{display:block;font-size:13px;margin-top:8px;color:var(--steel-hi);letter-spacing:1px}
@media(max-width:1000px){.shape-grid{grid-template-columns:repeat(5,1fr)}}
@media(max-width:600px){.shape-grid{grid-template-columns:repeat(3,1fr)}}

/* ============ APPLICATIONS ============ */
.app-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:30px;position:relative;z-index:1}
.app-row span{background:var(--card-grad);border:1px solid var(--line-hi);border-radius:999px;padding:10px 24px;
  font-size:15px;font-weight:600;color:var(--steel-hi);letter-spacing:1px;backdrop-filter:blur(4px)}
.app-row span i{font-style:normal;margin-right:8px}
.brands{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:1020px;margin:0 auto;position:relative;z-index:1}
.brands em{font-style:normal;background:rgba(232,237,242,.05);border:1px solid var(--line);color:var(--steel);
  padding:7px 18px;border-radius:10px;font-size:13.5px;letter-spacing:1.5px;transition:.2s}
.brands em:hover{border-color:rgba(57,197,255,.5);color:var(--steel-hi)}
.app-note{text-align:center;color:var(--steel-dim);font-size:13px;margin-top:26px;position:relative;z-index:1}

/* ============ MANUFACTURING ============ */
.mfg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;z-index:1}
.mfg{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.mfg:hover{border-color:rgba(47,224,140,.4);transform:translateY(-4px)}
.mfg img{height:210px;width:100%;object-fit:cover;filter:saturate(.85) contrast(1.05);border-bottom:1px solid var(--line)}
.mfg .bd{padding:20px 22px 24px}
.mfg h4{font-size:17px;color:var(--steel-hi);letter-spacing:1px}
.mfg p{color:var(--steel-dim);font-size:13.5px;margin-top:6px}
.dev-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;position:relative;z-index:1}
.dev{position:relative;border-radius:var(--radius);padding:28px 28px 32px;overflow:hidden;
  background:linear-gradient(155deg,#1d2731,#12181e);border:1px solid var(--line-hi)}
.dev::before{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 30%,rgba(232,237,242,.08) 48%,transparent 62%)}
.dev .zi{font-size:44px;font-weight:900;line-height:1;
  background:var(--metal-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dev h4{margin-top:12px;font-size:17px;color:var(--accent);letter-spacing:1px}
.dev p{color:var(--steel-dim);font-size:14px;margin-top:6px}
@media(max-width:920px){.mfg-grid,.dev-row{grid-template-columns:1fr}}

/* ============ QUALITY ============ */
.qual-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;position:relative;z-index:1}
.certs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cert{border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:var(--card-grad);position:relative;overflow:hidden}
.cert::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--cyan))}
.cert b{display:block;font-size:15px;color:var(--steel-hi);letter-spacing:.5px}
.cert span{display:block;font-size:12.5px;color:var(--steel-dim);margin-top:5px}
.policy{border:1px dashed rgba(47,224,140,.4);border-radius:14px;padding:20px 24px;margin-top:16px;background:var(--accent-dim)}
.policy h4{color:var(--accent);font-size:15px;letter-spacing:2px}
.policy p{color:var(--steel);font-size:14.5px;margin-top:6px;letter-spacing:2px}
.qual-side h3{font-size:24px;color:var(--steel-hi);letter-spacing:1px}
.qual-side p{color:var(--steel-dim);margin-top:12px;font-size:15px}
@media(max-width:920px){.qual-grid{grid-template-columns:1fr}.certs{grid-template-columns:1fr}}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;position:relative;z-index:1}
.about-card{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;transition:.25s}
.about-card:hover{border-color:rgba(47,224,140,.4)}
.about-card h4{color:var(--steel-hi);font-size:16.5px;letter-spacing:1px}
.about-card h4 .n{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04150c;
  font-size:11.5px;font-weight:700;border-radius:6px;padding:2px 10px;margin-right:10px;letter-spacing:2px}
.about-card p{color:var(--steel-dim);margin-top:10px;font-size:14.5px}
.vals{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.vals span{border:1px solid var(--line-hi);color:var(--steel);padding:3px 14px;border-radius:999px;font-size:13px;letter-spacing:2px}
@media(max-width:920px){.about-grid{grid-template-columns:1fr}}

/* ============ CONTACT ============ */
.contact{background:
  radial-gradient(800px 400px at 15% 20%,rgba(47,224,140,.08),transparent 60%),
  radial-gradient(700px 380px at 85% 80%,rgba(57,197,255,.08),transparent 60%),var(--bg1)}
.c-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1}
.c-card{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.c-card b{display:block;font-size:13px;color:var(--accent);letter-spacing:3px;margin-bottom:10px}
.c-card p,.c-card a{color:var(--steel);font-size:15px;line-height:2}
.c-card a:hover{color:var(--accent)}
.c-cta{text-align:center;margin-top:40px;position:relative;z-index:1}
.c-cta .btn{padding:14px 38px;font-size:16px}
@media(max-width:920px){.c-grid{grid-template-columns:1fr}}

footer{color:var(--steel-dim);padding:28px 0;font-size:13px;border-top:1px solid var(--line);
  background:
    linear-gradient(90deg,rgba(7,10,12,.97) 0%,rgba(7,10,12,.93) 48%,rgba(7,10,12,.52) 100%),
    url("ftr-bg.jpg") right center/640px auto no-repeat,#070a0c}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
footer a{color:var(--accent);border-bottom:1px dotted rgba(47,224,140,.5)}

/* catalog jump nav */
.jump{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;position:sticky;top:66px;z-index:60;
  padding:10px 16px;background:rgba(10,13,16,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.jump a{font-size:12.5px;color:var(--steel-dim);border:1px solid var(--line);border-radius:999px;padding:4px 14px;letter-spacing:1px;transition:.2s;white-space:nowrap}
.jump a:hover{color:var(--accent);border-color:rgba(47,224,140,.5)}


/* ============ CATALOG UI ============ */
.cat-toolbar{display:flex;flex-direction:column;gap:18px;margin-bottom:34px;position:relative;z-index:1}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ctab{display:inline-flex;align-items:center;gap:9px;padding:9px 20px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-hi);background:var(--card-grad);color:var(--steel);font-size:14px;letter-spacing:1px;
  transition:.2s;backdrop-filter:blur(4px)}
.ctab i{font-style:normal;font-size:12px;color:var(--steel-dim)}
.ctab b{font-weight:700;font-size:12px;color:var(--steel-dim);background:rgba(232,237,242,.08);
  border-radius:6px;padding:1px 8px;font-variant-numeric:tabular-nums}
.ctab:hover{border-color:rgba(47,224,140,.5);color:var(--steel-hi)}
.ctab.on{border-color:rgba(47,224,140,.65);background:var(--accent-dim);color:var(--steel-hi);
  box-shadow:var(--glow)}
.ctab.on i{color:var(--accent)}
.ctab.on b{color:#04150c;background:var(--accent)}
.cat-search{display:flex;align-items:center;gap:14px;justify-content:center;flex-wrap:wrap}
.cat-search input{width:min(460px,90vw);padding:11px 18px;border-radius:12px;font-size:14px;color:var(--steel-hi);
  border:1px solid var(--line-hi);background:rgba(16,21,26,.9);outline:none;letter-spacing:1px;transition:.2s}
.cat-search input:focus{border-color:rgba(47,224,140,.6);box-shadow:0 0 16px rgba(47,224,140,.18)}
.cat-search input::placeholder{color:var(--steel-dim)}
#catCount{font-size:13px;color:var(--steel-dim);letter-spacing:1px;font-variant-numeric:tabular-nums}
.cat-grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;position:relative;z-index:1}
.mcard{background:var(--card-grad);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:.22s;display:flex;flex-direction:column;backdrop-filter:blur(4px)}
.mcard:hover{border-color:rgba(47,224,140,.5);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.45),var(--glow)}
.mthumb{background:
  linear-gradient(rgba(10,13,16,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(10,13,16,.06) 1px,transparent 1px),#f4f6f8;
  background-size:18px 18px;aspect-ratio:4/3;display:grid;place-items:center;padding:10px;border-bottom:1px solid var(--line)}
.mthumb img{max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in;transition:.25s;
  filter:drop-shadow(0 3px 8px rgba(0,0,0,.18))}
.mcard:hover .mthumb img{transform:scale(1.05)}
.mnoimg{font-size:44px;color:rgba(184,194,204,.5)}
.mbody{padding:14px 16px 16px;display:flex;flex-direction:column;gap:9px;flex:1}
.mcode{font-size:16.5px;color:var(--steel-hi);letter-spacing:1px;font-family:Consolas,Menlo,monospace;
  background:linear-gradient(180deg,#fff,#aeb9c4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.mtags{display:flex;flex-wrap:wrap;gap:6px}
.mtags span{font-size:11.5px;color:var(--steel);border:1px solid var(--line-hi);border-radius:6px;padding:1px 8px;letter-spacing:.5px}
.mtags span.mcat{color:var(--accent);border-color:rgba(47,224,140,.35)}
.mview{margin-top:auto;cursor:pointer;border:none;border-radius:9px;padding:8px 0;font-size:13px;font-weight:600;
  letter-spacing:1px;color:#04150c;background:linear-gradient(135deg,#5cf0ab,var(--accent) 60%,#12a35f);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.mview:hover{filter:brightness(1.08)}
.mview.dim{color:var(--steel);background:rgba(232,237,242,.08);border:1px solid var(--line-hi)}
.cat-empty{text-align:center;color:var(--steel-dim);padding:40px 0;position:relative;z-index:1;letter-spacing:1px}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,8,10,.88);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:26px}
.lightbox[hidden]{display:none!important}
.lb-box{position:relative;max-width:min(860px,94vw);width:100%}
.lb-img{background:#f4f6f8;border-radius:14px;padding:18px;display:grid;place-items:center;
  border:1px solid rgba(47,224,140,.3);box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb-img img{max-width:100%;max-height:70vh;object-fit:contain}
.lb-meta{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}
.lb-meta b{font-family:Consolas,Menlo,monospace;font-size:18px;letter-spacing:1px;
  background:linear-gradient(180deg,#fff,#aeb9c4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lb-meta span{color:var(--steel-dim);font-size:13px}
.lb-close{position:absolute;top:-14px;right:-14px;width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;
  font-size:20px;color:#04150c;background:var(--metal-grad);box-shadow:0 4px 14px rgba(0,0,0,.5)}
.lb-close:hover{filter:brightness(1.1)}


/* ============ MULTI-PAGE ADDONS ============ */
.nav ul a.active{color:var(--accent)}
.nav ul a.active::after{width:100%}
.page-head{padding:64px 0 30px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(640px 260px at 20% 0%,rgba(47,224,140,.10),transparent 60%),
  radial-gradient(560px 240px at 90% 20%,rgba(57,197,255,.08),transparent 60%)}
.page-head .wrap{position:relative;z-index:1}
.crumb{font-size:12.5px;color:var(--steel-dim);letter-spacing:2px;margin-bottom:14px}
.crumb a{color:var(--accent)}
.page-head h1{font-size:36px;letter-spacing:3px;font-weight:800;color:var(--steel-hi)}
.page-head h1 .metal-text{background:var(--metal-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-head h1 .grad-text{background:linear-gradient(90deg,var(--accent),var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-head .lead{color:var(--steel-dim);margin-top:12px;max-width:860px;font-size:15.5px}
.ov-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1}
.ov{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;
  transition:.22s;display:flex;flex-direction:column;gap:10px;backdrop-filter:blur(5px);position:relative;overflow:hidden}
.ov::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(47,224,140,.6),transparent)}
.ov:hover{border-color:rgba(47,224,140,.45);transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.4),var(--glow)}
.ov .ic{font-size:26px}
.ov h3{font-size:18px;color:var(--steel-hi);letter-spacing:1px}
.ov p{color:var(--steel-dim);font-size:13.5px;flex:1}
.ov a{color:var(--accent);font-size:13.5px;font-weight:600;letter-spacing:1px}
.ov a:hover{text-shadow:0 0 12px rgba(47,224,140,.6)}
@media(max-width:920px){.ov-grid{grid-template-columns:1fr}.page-head h1{font-size:27px}}
/* catalog tree */
.tree-note{color:var(--steel-dim);font-size:12.5px;margin-bottom:22px;letter-spacing:1px;position:relative;z-index:1}
.tree-cat{margin-bottom:14px;position:relative;z-index:1}
.cat-h{display:flex;align-items:center;gap:14px;margin:34px 0 6px}
.cat-h .badge{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,#2a3540,#161d24);border:1px solid var(--line-hi);
  color:var(--accent);font-weight:800;font-size:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.cat-h h3{font-size:21px;color:var(--steel-hi);letter-spacing:1px}
.cat-h h3 small{font-weight:500;color:var(--accent);font-size:12px;margin-left:10px;letter-spacing:2px;text-transform:uppercase}
.cat-h .cnt{margin-left:auto;font-size:12.5px;color:var(--steel-dim);font-variant-numeric:tabular-nums}
.size-h{display:flex;align-items:center;gap:12px;margin:20px 0 14px}
.size-h .sz{font-family:Consolas,Menlo,monospace;font-size:14px;font-weight:700;color:var(--accent);
  border:1px solid rgba(47,224,140,.4);background:var(--accent-dim);border-radius:8px;padding:3px 14px;letter-spacing:1px}
.size-h .line{flex:1;height:1px;background:linear-gradient(90deg,rgba(47,224,140,.35),transparent)}
.tree-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.mcard{background:var(--card-grad);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:.22s;display:flex;flex-direction:column;backdrop-filter:blur(4px);cursor:pointer}
.mcard:hover{border-color:rgba(47,224,140,.5);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.45),var(--glow)}
.mthumb{background:
  linear-gradient(rgba(10,13,16,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(10,13,16,.06) 1px,transparent 1px),#f4f6f8;
  background-size:18px 18px;aspect-ratio:4/3;display:grid;place-items:center;padding:10px;border-bottom:1px solid var(--line)}
.mthumb img{max-width:100%;max-height:100%;object-fit:contain;transition:.25s;filter:drop-shadow(0 3px 8px rgba(0,0,0,.18))}
.mcard:hover .mthumb img{transform:scale(1.05)}
.mnoimg{font-size:40px;color:rgba(184,194,204,.5)}
.mbody{padding:13px 15px 15px;display:flex;flex-direction:column;gap:8px;flex:1}
.mcode{font-size:16px;color:var(--steel-hi);letter-spacing:1px;font-family:Consolas,Menlo,monospace;
  background:linear-gradient(180deg,#fff,#aeb9c4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.mtags{display:flex;flex-wrap:wrap;gap:6px}
.mtags span{font-size:11.5px;color:var(--steel);border:1px solid var(--line-hi);border-radius:6px;padding:1px 8px;letter-spacing:.5px}
.mtags span.hd{color:var(--accent);border-color:rgba(47,224,140,.35)}
.mview{margin-top:auto;cursor:pointer;border:none;border-radius:9px;padding:8px 0;font-size:13px;font-weight:600;
  letter-spacing:1px;color:#04150c;background:linear-gradient(135deg,#5cf0ab,var(--accent) 60%,#12a35f);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.mview:hover{filter:brightness(1.08)}
.mview.dim{color:var(--steel);background:rgba(232,237,242,.08);border:1px solid var(--line-hi)}
/* model modal */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,8,10,.88);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:26px}
.lightbox[hidden]{display:none!important}
.lb-box{position:relative;max-width:min(900px,94vw);width:100%;max-height:92vh;overflow-y:auto}
.lb-close{position:sticky;top:0;float:right;width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;
  font-size:20px;color:#04150c;background:var(--metal-grad);box-shadow:0 4px 14px rgba(0,0,0,.5);z-index:5}
.lb-meta{display:flex;align-items:baseline;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.lb-meta b{font-family:Consolas,Menlo,monospace;font-size:24px;letter-spacing:1px;
  background:linear-gradient(180deg,#fff,#aeb9c4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lb-meta span{color:var(--steel-dim);font-size:13.5px}
.spec-tile{background:#f4f6f8;border-radius:14px;padding:16px;display:grid;place-items:center;
  border:1px solid rgba(47,224,140,.3);box-shadow:0 20px 60px rgba(0,0,0,.6);margin-bottom:14px}
.spec-tile img{max-width:100%;max-height:62vh;object-fit:contain;cursor:zoom-in}
.spec-cap{display:flex;justify-content:space-between;align-items:center;margin:-6px 0 16px;flex-wrap:wrap;gap:8px}
.spec-cap b{font-size:13.5px;color:var(--steel-hi);letter-spacing:1px}
.spec-cap a{font-size:12.5px;color:var(--accent)}
.lb-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;padding-bottom:8px}

/* ============ TECH BACKGROUNDS ============ */
/* hero 背景 = 弹片产品横幅(shinewe_banner_domes 去字版 hero-bg.jpg), 左深右浅遮罩保证文字可读 */
.hero{background:
  linear-gradient(90deg,rgba(10,13,16,.96) 0%,rgba(10,13,16,.90) 40%,rgba(10,13,16,.58) 70%,rgba(10,13,16,.16) 100%),
  linear-gradient(180deg,rgba(10,13,16,.30) 0%,rgba(10,13,16,0) 38%,var(--bg0) 100%),
  url("hero-bg.jpg") center right/72% auto no-repeat,#0a0d10}
.page-head{background:
  linear-gradient(180deg,rgba(10,13,16,.72) 0%,rgba(10,13,16,.88) 55%,var(--bg0) 100%),
  radial-gradient(900px 420px at 75% 8%,rgba(57,197,255,.12),transparent 60%),
  url(assets/tech-circuit.jpg) center 35%/cover no-repeat}
.page-head{background:
  linear-gradient(180deg,rgba(10,13,16,.74) 0%,rgba(10,13,16,.9) 60%,var(--bg0) 100%),
  radial-gradient(760px 340px at 80% 0%,rgba(47,224,140,.12),transparent 60%),
  url(assets/tech-cyber.jpg) center 60%/cover no-repeat}
.contact{background:
  linear-gradient(180deg,var(--bg0) 0%,rgba(10,13,16,.86) 30%,rgba(10,13,16,.86) 70%,var(--bg0) 100%),
  url(assets/tech-network.jpg) center/cover no-repeat fixed}
@keyframes gridmove{from{background-position:0 0}to{background-position:0 44px}}
.techbg::before{animation:gridmove 3.4s linear infinite}
@keyframes pulseGlow{0%,100%{opacity:.55}50%{opacity:.9}}
header::after{animation:pulseGlow 2.8s ease-in-out infinite}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.12) 3px 4px);opacity:.35}

/* ============ SEARCH PANEL ============ */
.search-sec{padding:36px 0 6px}
.search-panel{position:relative;z-index:1;background:linear-gradient(160deg,rgba(232,237,242,.07),rgba(232,237,242,.02));
  border:1px solid var(--line-hi);border-radius:var(--radius);padding:22px 26px;box-shadow:0 12px 36px rgba(0,0,0,.4);backdrop-filter:blur(8px)}
.sp-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sp-ic{font-size:20px;color:var(--accent)}
.sp-head b{font-size:17px;color:var(--steel-hi);letter-spacing:2px}
.sp-tip{font-size:12.5px;color:var(--steel-dim);letter-spacing:1px}
.sp-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.sp-row input{flex:1;min-width:240px;padding:13px 20px;border-radius:12px;font-size:15px;color:var(--steel-hi);
  border:1px solid var(--line-hi);background:rgba(10,13,16,.85);outline:none;letter-spacing:1px;transition:.2s;
  font-family:Consolas,Menlo,monospace}
.sp-row input:focus{border-color:rgba(47,224,140,.6);box-shadow:0 0 18px rgba(47,224,140,.22)}
.sp-row input::placeholder{color:var(--steel-dim);font-family:"PingFang SC","Microsoft YaHei",sans-serif}
#spClear{cursor:pointer;border:none;border-radius:10px;padding:11px 18px;font-size:13.5px;font-weight:700;
  color:#04150c;background:var(--metal-grad);letter-spacing:1px}
#catCount{font-size:13.5px;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums;white-space:nowrap}
#searchResult{margin-top:20px}

/* ============ LEVEL NAVIGATION ============ */
.bc-bar{display:flex;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap;position:relative;z-index:1}
.bc-back{cursor:pointer;border:1px solid rgba(47,224,140,.5);background:var(--accent-dim);color:var(--accent);
  border-radius:10px;padding:7px 18px;font-size:13.5px;font-weight:700;letter-spacing:1px;transition:.2s}
.bc-back:hover{box-shadow:var(--glow)}
.bc-trail{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--steel-dim);letter-spacing:1px;flex-wrap:wrap}
.bc-trail b{color:var(--steel-hi)}
.bc-trail a{color:var(--accent)}
.bc-trail a:hover{text-shadow:0 0 10px rgba(47,224,140,.6)}
.bc-trail i{font-style:normal;color:var(--steel-dim)}
.lv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;position:relative;z-index:1}
.lv-card{display:flex;align-items:center;gap:16px;background:var(--card-grad);border:1px solid var(--line);
  border-radius:14px;padding:14px 16px;cursor:pointer;transition:.22s;backdrop-filter:blur(4px);position:relative;overflow:hidden}
.lv-card::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,224,140,.12),transparent 70%)}
.lv-card:hover{border-color:rgba(47,224,140,.55);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.45),var(--glow)}
.lv-thumb{width:74px;height:74px;border-radius:10px;flex:none;background:
  linear-gradient(rgba(10,13,16,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(10,13,16,.06) 1px,transparent 1px),#f4f6f8;
  background-size:16px 16px;display:grid;place-items:center;border:1px solid var(--line);overflow:hidden}
.lv-thumb img{max-width:88%;max-height:88%;object-fit:contain}
.lv-icon{font-size:30px;color:var(--accent)}
.lv-body{min-width:0;flex:1}
.lv-body b{display:block;font-size:16.5px;color:var(--steel-hi);letter-spacing:1px}
.lv-body small{display:block;font-size:11.5px;color:var(--steel-dim);letter-spacing:1.5px;text-transform:uppercase;margin-top:2px}
.lv-cnt{display:inline-block;margin-top:7px;font-size:12px;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums}
.kdocs-link{color:var(--cyan)!important;border-bottom:1px dashed rgba(57,197,255,.5)}
.kdocs-link:hover{text-shadow:0 0 12px rgba(57,197,255,.7)}

/* ========== 思维导图目录 ========== */
.mm-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.mm-tools{display:flex;gap:10px}
.mm-tools .btn{padding:8px 16px;font-size:13px}
.mm-wrap{overflow-x:auto;padding:10px 6px 26px 2px}
.mm-item{display:flex;align-items:center}
.mm-kids{display:flex;flex-direction:column;margin-left:34px}
.mm-kid{position:relative;display:flex;align-items:center;padding:5px 0 5px 34px}
.mm-kid::before{content:'';position:absolute;left:0;top:50%;width:34px;border-top:1.5px solid var(--line-hi);transform:translateY(-1px)}
.mm-kid::after{content:'';position:absolute;left:0;top:0;height:100%;border-left:1.5px solid var(--line-hi)}
.mm-kid:first-child::after{top:50%;height:50%}
.mm-kid:last-child::after{height:50%}
.mm-kid:only-child::after{display:none}
.mm-box{position:relative;display:inline-flex;align-items:center;gap:9px;white-space:nowrap;
  background:linear-gradient(160deg,var(--bg3),var(--bg2));border:1px solid var(--line);
  border-radius:12px;padding:11px 18px;cursor:pointer;color:var(--steel-hi);
  box-shadow:0 4px 14px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .18s,box-shadow .18s,transform .18s;user-select:none}
.mm-box:hover{border-color:var(--accent2);box-shadow:0 0 18px rgba(47,224,140,.22),0 4px 14px rgba(0,0,0,.35);transform:translateY(-1px)}
.mm-box[data-toggle]::after{content:'▸';margin-left:2px;color:var(--steel-dim);font-size:12px;transition:transform .2s}
.mm-box.open[data-toggle]::after{transform:rotate(90deg);color:var(--accent)}
.mm-root{background:linear-gradient(135deg,#17b56d,#0d7a48);color:#eafff4;font-weight:800;font-size:16px;
  letter-spacing:1px;line-height:1.35;border-color:rgba(47,224,140,.6);text-align:center;
  box-shadow:0 0 26px rgba(47,224,140,.35);cursor:default}
.mm-root::after{display:none}
.mm-cat{border-left:3px solid var(--accent);font-size:15px}
.mm-cat .mm-ico{font-size:15px;color:var(--accent)}
.mm-cat small{color:var(--steel-dim);font-size:11px;font-weight:400;letter-spacing:.4px}
.mm-badge{font-size:11px;color:var(--accent);background:var(--accent-dim);border:1px solid rgba(47,224,140,.35);
  border-radius:999px;padding:2px 9px;font-weight:600}
.mm-size{border-left:3px solid var(--cyan);background:linear-gradient(160deg,rgba(57,197,255,.10),var(--bg2))}
.mm-dimple{border-left:3px solid var(--amber);background:linear-gradient(160deg,rgba(255,181,71,.09),var(--bg2));font-size:13.5px;padding:9px 15px}
.mm-model{font-size:13.5px;padding:7px 13px 7px 8px;cursor:pointer;background:linear-gradient(160deg,rgba(232,237,242,.05),var(--bg2))}
.mm-model b{font-family:Consolas,Menlo,monospace;letter-spacing:.4px}
.mm-model img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:8px;padding:3px;flex:none}
.mm-model .mm-noimg{width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line-hi);border-radius:8px;color:var(--steel-dim);flex:none}
.mm-model.noimg{opacity:.85}
@media(max-width:760px){
  .mm-kids{margin-left:18px}.mm-kid{padding-left:18px}.mm-kid::before{width:18px}
  .mm-box{padding:8px 12px;font-size:13px}.mm-cat{font-size:14px}
  .mm-model img,.mm-model .mm-noimg{width:36px;height:36px}
}
.mm-kids[hidden]{display:none!important}

/* ========== 生产与开发 · 照片墙 ========== */
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:1}
.gal-grid.gal-3{grid-template-columns:repeat(3,1fr)}
.gal{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;cursor:zoom-in;
  background:var(--bg2);border:1px solid var(--line);aspect-ratio:4/3;
  box-shadow:0 6px 18px rgba(0,0,0,.35);transition:border-color .22s,transform .22s,box-shadow .22s}
.gal:hover{border-color:rgba(47,224,140,.45);transform:translateY(-4px);
  box-shadow:0 12px 30px rgba(0,0,0,.45),0 0 20px rgba(47,224,140,.15)}
.gal img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.gal:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;
  background:linear-gradient(transparent,rgba(5,8,10,.88));display:flex;flex-direction:column;gap:2px}
.gal figcaption b{color:var(--steel-hi);font-size:14.5px;letter-spacing:.5px}
.gal figcaption span{color:var(--steel-dim);font-size:12px}
.gal::after{content:'⌕';position:absolute;top:10px;right:12px;width:28px;height:28px;border-radius:50%;
  background:rgba(5,8,10,.55);border:1px solid rgba(232,237,242,.25);color:var(--steel-hi);
  display:flex;align-items:center;justify-content:center;font-size:14px;opacity:0;transition:opacity .22s}
.gal:hover::after{opacity:1}
.gal-view{border-radius:12px;overflow:hidden;border:1px solid var(--line-hi);background:#0a0d10}
.gal-view img{display:block;width:100%;max-height:76vh;object-fit:contain}
.gal-cap{margin-top:12px;color:var(--steel);font-size:14px;text-align:center;letter-spacing:.5px}
@media(max-width:1000px){.gal-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gal-grid,.gal-grid.gal-3{grid-template-columns:1fr}}

/* ========== 语言切换器 ========== */
.lang-sw{position:relative;margin-left:12px;flex:none}
.ls-cur{display:inline-flex;align-items:center;gap:7px;font-family:inherit;font-size:12.5px;line-height:1;
  background:linear-gradient(160deg,var(--bg3),var(--bg2));border:1px solid var(--line);border-radius:999px;
  padding:9px 13px;color:var(--steel-hi);cursor:pointer;white-space:nowrap;
  transition:border-color .18s,box-shadow .18s}
.ls-cur:hover{border-color:var(--accent2);box-shadow:0 0 14px rgba(47,224,140,.2)}
.ls-cur i{font-style:normal;font-size:10px;color:var(--steel-dim)}
.ls-globe{font-size:12px;line-height:1}
.ls-menu{position:absolute;right:0;top:calc(100% + 9px);min-width:172px;margin:0;padding:6px;list-style:none;
  background:var(--bg2);border:1px solid var(--line-hi);border-radius:13px;z-index:80;
  box-shadow:0 16px 38px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.02) inset}
.ls-menu[hidden]{display:none!important}
.ls-menu li button{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;
  font-family:inherit;font-size:13px;text-align:left;background:transparent;border:0;border-radius:8px;
  padding:9px 11px;color:var(--steel);cursor:pointer;transition:background .16s,color .16s}
.ls-menu li button:hover{background:rgba(47,224,140,.1);color:var(--steel-hi)}
.ls-menu li button.on{color:var(--accent);background:rgba(47,224,140,.07)}
.ls-menu li button.on::after{content:'✓';font-size:12px}
.ls-menu em{font-style:normal;font-size:11.5px;color:var(--steel-dim)}
@media(max-width:1150px){.lang-sw{margin-left:auto}}
@media(max-width:760px){.ls-cur .ls-label{display:none}.ls-cur{padding:9px 11px}}

/* ==== i18n: 非中文语言页头适配 ==== */
html.i18n-long .brand .cn{display:none}
html.i18n-long .nav ul{gap:12px;font-size:12px}
html.i18n-long .wrap.nav{gap:14px}

/* ==== 语言下拉菜单横排 ==== */
.ls-menu{display:flex;flex-direction:row;align-items:center;min-width:0;padding:5px;gap:3px}
.ls-menu li{flex:none}
.ls-menu li button{width:auto;justify-content:center;gap:0;padding:8px 14px;white-space:nowrap;border-radius:9px;font-size:13px}
.ls-menu li button.on{font-weight:700}
.ls-menu li button.on::after{content:none}
.ls-menu em{display:none}