:root{
  --bg:#070B10;--panel:#121E29;--panel2:#0C151E;--line:rgba(255,255,255,.09);
  --text:#EAF2F8;--muted:#8CA0B0;--dim:#607383;--accent:#00E39A;--info:#5AD2FF;
  --warn:#FFB020;--r:16px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7}
a{color:var(--info);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(860px,calc(100% - 28px));margin:0 auto}
.site-head{position:sticky;top:0;z-index:20;background:rgba(7,11,16,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .inner{display:flex;align-items:center;gap:16px;min-height:62px}
.brand{font-weight:850;letter-spacing:-.02em;color:#fff}
.brand small{display:block;font-size:10px;color:var(--accent);letter-spacing:.12em;margin-top:-2px}
.nav{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-size:12px;color:var(--muted)}
.hero{padding:42px 0 20px}
.hero .eyebrow{font-size:11px;font-weight:800;color:var(--accent);letter-spacing:.12em}
h1{font-size:32px;line-height:1.25;margin:9px 0 12px;letter-spacing:-.035em}
.lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}
main{padding-bottom:54px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:14px 0}
h2{font-size:20px;margin:0 0 10px;letter-spacing:-.02em}
h3{font-size:16px;margin:22px 0 8px}
p{margin:8px 0;color:#D7E1E8}
ul,ol{padding-left:22px;color:#D7E1E8}
li{margin:6px 0}
.note{border-left:3px solid var(--warn);background:rgba(255,176,32,.07);padding:12px 14px;border-radius:10px;color:#D9C79F}
.ok{border-left:3px solid var(--accent);background:rgba(0,227,154,.06);padding:12px 14px;border-radius:10px}
.meta{font-size:12px;color:var(--dim)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:12px;background:var(--accent);color:#03251B;font-weight:800;margin-top:10px}
.btn:hover{text-decoration:none;filter:brightness(1.05)}
table{width:100%;border-collapse:collapse;margin:12px 0}
th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--muted);font-size:13px;width:30%}
footer{border-top:1px solid var(--line);padding:24px 0 34px;color:var(--dim);font-size:12px}
footer .links{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:8px}
footer .links a{color:var(--muted)}
@media(max-width:640px){
  .site-head{position:static}
  .site-head .inner{display:block;padding:12px 0}
  .nav{margin-top:8px;justify-content:flex-start;gap:10px}
  h1{font-size:27px}
  .hero{padding-top:28px}
  .card{padding:17px}
}

.lang-switch{display:flex;gap:6px;margin-left:8px}
.lang-switch button{border:1px solid var(--line);background:var(--panel2);color:var(--muted);border-radius:9px;padding:6px 9px;font:inherit;font-size:11px;font-weight:700;cursor:pointer}
.lang-switch button.on{background:var(--accent);color:#03251b;border-color:transparent}
.lang-page[hidden]{display:none!important}
@media(max-width:640px){.lang-switch{margin:8px 0 0}.site-head .inner{gap:8px}}

.lang-select{margin-left:8px;background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 28px 8px 10px;font:inherit;font-size:12px;font-weight:700;min-width:118px}.lang-page[hidden]{display:none!important}@media(max-width:760px){.lang-select{margin:8px 0 0;max-width:180px}.site-head .inner{flex-wrap:wrap}}


/* 8-language selector - OwnerLee Lab */
.lang-switch{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:5px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.lang-btn{
  border:1px solid var(--line);
  background:#0e1720;
  color:var(--muted);
  border-radius:9px;
  min-height:34px;
  padding:0 9px;
  font-family:inherit;
  font-size:11px;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
}
.lang-btn:hover,.lang-btn:focus{
  color:var(--text);
  border-color:rgba(90,210,255,.35);
}
.lang-btn.on{
  background:var(--accent);
  color:#03251B;
  border-color:transparent;
}
@media(max-width:900px){
  .site-head .inner{flex-wrap:wrap}
  .lang-switch{
    width:100%;
    margin-left:0;
    justify-content:flex-start;
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:3px;
    scrollbar-width:none;
  }
  .lang-switch::-webkit-scrollbar{display:none}
  .lang-btn{flex:0 0 auto}
}