:root{--bg:#fafafa;--card:#fff;--txt:#222;--sub:#666;--brand:#111;--btn:#111;}
    body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0;background:var(--bg);color:var(--txt);}
    header{background:var(--brand);color:#fff;padding:1.2em 1em;}
    header .row{max-width:920px;margin:0 auto;display:flex;gap:1em;align-items:center;justify-content:space-between;flex-wrap:wrap;}
    header h1{font-size:1.25rem;margin:.1em 0;}
    header p{margin:.2em 0;color:#ddd;font-size:.9rem}
    .lang a{color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.35);padding:.35em .6em;border-radius:999px;font-size:.85rem}
    main{max-width:920px;margin:0 auto;padding:1.4em 1em 2em;}
    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1em}
    .app{background:var(--card);border-radius:14px;padding:1.1em;box-shadow:0 6px 18px rgba(0,0,0,.06)}
    .app h2{font-size:1.05rem;margin:.1em 0 .3em}
    .app p{margin:.2em 0;color:var(--sub);font-size:.92rem;line-height:1.5}
    .meta{margin-top:.55em;color:var(--sub);font-size:.82rem}
    .btn{display:inline-block;margin-top:.75em;background:var(--btn);color:#fff;text-decoration:none;padding:.6em .9em;border-radius:10px}
    .notice{margin-top:1.3em;background:#fffbe6;border:1px solid #ffe58f;border-radius:12px;padding:1em;font-size:.9rem;line-height:1.6}
    .notice code{background:rgba(0,0,0,.06);padding:.1em .35em;border-radius:6px}
    footer{max-width:920px;margin:0 auto;padding:1.6em 1em 2.5em;color:#888;font-size:.82rem}
    .small{font-size:.82rem;color:var(--sub)}