:root{--max:820px;--fg:#111;--muted:#666;--bg:#fff;--card:#fafafa;--border:#e6e6e6;--radius:14px}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans",sans-serif;line-height:1.55}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:18px}
.topbar{position:static;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}
.page-editor .topbar{position:sticky;top:0}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{text-decoration:none;font-weight:700;letter-spacing:.2px}
.lang a{text-decoration:none;color:var(--muted)}
.lang a.active{color:var(--fg);font-weight:600}
.hero{padding:34px 0}
.hero__sub{color:var(--muted);max-width:58ch}
.hero__cta{margin-top:18px}
.callout{margin-top:14px;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:8px 0 20px}
.features__item{border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;background:#fff;font-weight:600}
.examples{margin-top:18px}
.examples h2{font-size:18px;margin:0 0 10px}
.examples__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.example{display:block;text-decoration:none;border:1px solid var(--border);border-radius:var(--radius);padding:14px;background:#fff}
.example__title{font-weight:700;margin-bottom:6px}
.example__excerpt{color:var(--muted);font-size:14px;line-height:1.45}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 16px;border-radius:999px;border:1px solid var(--border);background:#111;color:#fff;text-decoration:none;font-weight:600;cursor:pointer}
.btn--small{padding:7px 11px;font-size:14px}
.btn--ghost{background:transparent;color:var(--fg)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:600}
input,textarea{font:inherit;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#fff}
textarea{resize:vertical;min-height:220px}
.form__row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.editorbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:12px;background:#fff}
.preview{border:1px solid var(--border);border-radius:12px;background:#fff;padding:12px;font-size:16px;line-height:1.6}
.preview h1,.preview h2,.preview h3{line-height:1.25}
.hp{position:absolute;left:-99999px;top:auto;width:1px;height:1px;overflow:hidden}
.muted{color:var(--muted);font-size:14px}
.hint{margin-top:10px;color:var(--muted);font-size:14px}
.article{padding:14px 0}
.article__title{font-size:34px;line-height:1.15;margin:10px 0 6px}
.article__meta{color:var(--muted);font-size:14px;margin-bottom:18px}
.article__body{font-size:18px}
.article__body br{line-height:1.9}
.article__actions{margin-top:18px}
.link{color:var(--muted);text-decoration:underline}
.footer{border-top:1px solid var(--border);margin-top:34px}
.footer__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:var(--muted);font-size:14px}
.footer__links{display:flex;gap:12px;flex-wrap:wrap}
.tablewrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}
.prose p{margin:0 0 10px}

@media (max-width:560px){
  .features{grid-template-columns:repeat(2,minmax(0,1fr))}
  .examples__grid{grid-template-columns:repeat(1,minmax(0,1fr))}
  .article__title{font-size:28px}
  .article__body{font-size:17px}
}