:root{--bg: #0f1419;--bg2: #161b22;--panel: #1c2330;--border: #2a3344;--text: #e7ecf3;--muted: #93a0b4;--muted2: #6b7a90;--accent: #3b82f6;--accent2: #60a5fa;--chip: #243044;--chip-on: #2563eb;--ok: #34d399;--warn: #fbbf24;--radius: 12px;--shadow: 0 8px 24px rgba(0, 0, 0, .35);--sidebar-w: 260px;--content-max: 1680px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,.sidebar,.main,.feed,*{scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar,body::-webkit-scrollbar,.sidebar::-webkit-scrollbar,*::-webkit-scrollbar{width:0;height:0;display:none}html,body{margin:0;padding:0;background:var(--bg);color:var(--text)}body{min-height:100vh}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--content-max);margin:0 auto;padding:20px 28px 40px}header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 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