:root{color-scheme:light;--bg:#f5f6f8;--card:#fff;--text:#121418;--muted:#5f6672;--line:#e5e8ee;--accent:#0b57d0}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at top right,#fff 0,var(--bg) 55%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{margin:0 auto;max-width:860px;padding:16px}.header{margin-bottom:16px}.title{margin:0;font-size:1.45rem;letter-spacing:-.01em}.subtitle{margin:6px 0 0;color:var(--muted);font-size:.92rem}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}.meta{color:var(--muted);font-size:.85rem;gap:8px}.meta,.tags{display:flex;flex-wrap:wrap}.tags{gap:6px;margin-top:10px}.tag{font-size:.75rem;background:#eef3ff;color:#284f93;border-radius:999px;padding:4px 9px}.body{font-size:.98rem;line-height:1.62}@media (max-width:680px){.shell{padding:12px}}