/* Shanghai Liumi Digital Technology Co., Ltd. — corporate site */
:root{
  --ink:#0b1220;
  --deep:#0d1b2e;
  --sea:#12293f;
  --paper:#f7f9fb;
  --line:rgba(10,25,45,.12);
  --muted:#5a6b7d;
  --text:#1d2b3a;
  --accent:#1f6f8b;
  --gold:#c8a35a;
  --maxw:960px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.75;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---- language toggle ---- */
body [lang="en"]{display:none}
body.en [lang="zh"]{display:none}
body.en [lang="en"]{display:revert}

/* ---- header ---- */
header{background:var(--deep);color:#e8eef5;border-bottom:3px solid var(--gold)}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:18px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;color:#fff}
.brand:hover{text-decoration:none}
.mark{width:34px;height:34px;flex:none}
.brand b{display:block;font-size:16px;font-weight:600;letter-spacing:.02em;line-height:1.3}
.brand small{display:block;font-size:11.5px;color:#9fb3c8;letter-spacing:.06em;text-transform:uppercase}
nav{display:flex;flex-wrap:wrap;gap:20px;font-size:14.5px}
nav a{color:#c6d5e3}
nav a.on{color:#fff;border-bottom:2px solid var(--gold);padding-bottom:2px}
#lang{background:transparent;border:1px solid rgba(255,255,255,.35);color:#dbe6f0;
  border-radius:999px;padding:4px 14px;font:inherit;font-size:13px;cursor:pointer}
#lang:hover{background:rgba(255,255,255,.1)}

/* ---- hero ---- */
.hero{background:linear-gradient(180deg,var(--deep),var(--sea));color:#eaf1f8;padding:64px 0 72px}
.hero h1{margin:0 0 18px;font-size:clamp(26px,4.2vw,40px);line-height:1.35;font-weight:600;color:#fff}
.hero p{margin:0;max-width:44em;font-size:17px;color:#c3d3e2}
.hero .eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}

/* ---- sections ---- */
main{padding:56px 0 24px}
section{margin:0 0 52px}
h2{font-size:22px;margin:0 0 6px;color:var(--ink);font-weight:600}
h2+.sub{margin:0 0 22px;color:var(--muted);font-size:14px;letter-spacing:.04em}
h3{font-size:16.5px;margin:0 0 8px;color:var(--ink)}
p{margin:0 0 14px}
.lead{font-size:17px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 22px 18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.card .num{color:var(--gold);font-size:12px;letter-spacing:.16em;margin-bottom:10px}
ul{margin:0 0 14px;padding-left:1.2em}
li{margin-bottom:8px}

/* ---- fact table ---- */
table.facts{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.facts th,table.facts td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
table.facts tr:last-child th,table.facts tr:last-child td{border-bottom:0}
table.facts th{width:34%;color:var(--muted);font-weight:500;background:#fbfcfd}
table.facts td{font-variant-numeric:tabular-nums}

.note{background:#fff;border-left:3px solid var(--gold);padding:16px 20px;border-radius:0 8px 8px 0;color:var(--muted);font-size:14.5px}

/* ---- footer ---- */
footer{background:var(--ink);color:#8fa3b8;margin-top:40px;padding:40px 0 34px;font-size:14px}
footer .wrap{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
footer b{display:block;color:#e2eaf2;font-weight:600;margin-bottom:8px;font-size:14.5px}
footer a{color:#a9c2d8}
footer .legal{border-top:1px solid rgba(255,255,255,.1);margin-top:8px;padding-top:20px;
  max-width:var(--maxw);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;font-size:13px;color:#6f8399}
footer p{margin:0 0 4px}
@media (max-width:640px){
  .bar{padding:14px 20px;gap:12px}
  .brand{width:100%}
  .hero{padding:44px 0 48px}
  main{padding:40px 0 16px}
}

/* English mode: the .sub line is the English gloss of a Chinese heading — redundant once translated */
body.en h2+.sub{display:none}
body.en h2{margin-bottom:22px}