:root{
  --orange:#ED733F; --orange-dark:#D4632F; --ink:#2A2A2A;
  --muted:#6b6b6b; --bg:#FBF8F6; --card:#fff; --line:#ece6e2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
a{color:var(--orange-dark)}
header{background:linear-gradient(160deg,#F08050,var(--orange) 55%,var(--orange-dark));color:#fff;
  padding:48px 20px 40px;text-align:center}
header .logo{font-size:30px;font-weight:800;letter-spacing:-.5px}
header p{margin:.4em auto 0;max-width:640px;opacity:.95}
nav{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:22px}
nav a{background:rgba(255,255,255,.16);color:#fff;text-decoration:none;padding:9px 18px;border-radius:999px;
  font-weight:600;font-size:15px;border:1px solid rgba(255,255,255,.28)}
nav a:hover{background:rgba(255,255,255,.28)}
main{max-width:760px;margin:0 auto;padding:36px 20px 80px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 28px;margin-bottom:22px}
h1{font-size:26px;margin:.2em 0 .6em}
h2{font-size:19px;margin:1.6em 0 .4em;color:var(--orange-dark)}
h3{font-size:16px;margin:1.2em 0 .3em}
small,.muted{color:var(--muted)}
table{border-collapse:collapse;width:100%;font-size:14px;margin:.6em 0}
th,td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
th{background:#faf3ef}
.lang-switch{display:flex;gap:8px;justify-content:flex-end;margin-bottom:8px}
.lang-switch button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:999px;padding:5px 14px;font-weight:600;font-size:14px}
.lang-switch button.active{background:var(--orange);color:#fff;border-color:var(--orange)}
footer{text-align:center;color:var(--muted);font-size:14px;padding:30px 20px 50px}
footer a{color:var(--muted)}
.btn{display:inline-block;background:var(--orange);color:#fff;text-decoration:none;font-weight:700;
  padding:12px 22px;border-radius:12px;margin-top:6px}
code{background:#f3ede9;padding:1px 6px;border-radius:6px;font-size:14px}