:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}body{margin:0;min-height:100vh;background:#0f1420;color:#e8ecf4}.stage0{max-width:720px;margin:0 auto;padding:12vh 20px 40px}h1{margin:0;font-size:2.4rem;letter-spacing:-.02em}.tag{margin:4px 0 32px;color:#8b97ad}.card{background:#182031;border:1px solid #283349;border-radius:14px;padding:24px}.card h2{margin:0 0 8px;font-size:1.2rem}.card p{color:#a6b1c5;margin:0 0 20px}.health{display:flex;align-items:center;gap:10px;background:#101728;border-radius:8px;padding:12px 14px;font-size:.9rem;color:#b9c5da;overflow-wrap:anywhere}.dot{width:9px;height:9px;border-radius:50%;flex:none;background:#64748b}.dot.ok{background:#34d399}.dot.bad{background:#f87171}code{font-family:ui-monospace,Consolas,monospace}.note{margin-top:28px;color:#6e7b92;font-size:.85rem;line-height:1.7}