:root{--bg:#0b0f14;--card:#121822;--ink:#e6edf3;--muted:#98a2b3;--accent:#7dd3fc;--ring:#334155}
*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif}
a{color:var(--accent)}.container{max-width:1000px;margin:0 auto;padding:24px}.site-header{position:sticky;top:0;background:rgba(11,15,20,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--ring)}
.header-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:10px}.logo{width:40px;height:40px;border-radius:10px;object-fit:cover}
nav a{margin-left:16px;color:var(--ink);opacity:.85}.section{padding:30px 0}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:20px}.lead{color:var(--muted)}.btn{padding:12px 16px;border-radius:12px;background:#243042;border:1px solid #2a3648;color:var(--ink)}
label{display:block;margin:10px 0 6px}input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--ring);background:#0f1520;color:var(--ink)}.checkbox{display:flex;align-items:center;gap:10px}
.site-footer{border-top:1px solid var(--ring);color:var(--muted)}