:root{--bg: #0d1117;--bg-card: #161b22;--border: #30363d;--text: #c9d1d9;--text-dim: #8b949e;--accent: #2ea043;--accent-sub: #238636;--alive: #3fb950;--dead: #f85149;--font: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "Cascadia Code", "SF Mono", "Consolas", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}input,select{font-family:var(--font)}::selection{background:#e8a8384d}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background-color:#444}@keyframes pulse{0%,to{opacity:1;box-shadow:0 0 8px var(--alive)}50%{opacity:.4;box-shadow:0 0 2px var(--alive)}}.status-dot{width:10px;height:10px;border-radius:50%;background:#444;flex-shrink:0;transition:background .3s}.status-dot.alive{background:var(--alive);box-shadow:0 0 8px var(--alive);animation:pulse 2s ease-in-out infinite}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1.5rem}.panel h2{font-size:.8rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-top:0;margin-bottom:1rem}.empty{text-align:center;padding:2rem;color:var(--text-dim);font-size:.9rem}