:root{--bg:#f6f7f9;--card:#fff;--ink:#171a20;--muted:#6b7280;--line:#e7e9ee;--accent:#3a5bf0;--accent-soft:#eef1fe;--ok:#15803d;--ok-soft:#ecfdf3;--warn:#b45309;--warn-soft:#fffaeb;--bad:#dc2626;--bad-soft:#fef2f2;--radius:14px;--shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55}a{text-decoration:none}a,button{color:inherit}button{font:inherit;cursor:pointer;border:none;background:none}.app{display:flex;min-height:100vh}.side{width:212px;background:var(--card);border-right:1px solid var(--line);padding:18px 12px;position:-webkit-sticky;position:sticky;top:0;height:100vh;flex-shrink:0}.logo{gap:9px;padding:4px 10px 16px;font-weight:700;font-size:16px}.logo,.logo .dot{display:flex;align-items:center}.logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#3a5bf0,#7c4dff);justify-content:center;color:#fff;font-size:13px;font-weight:800}.nav{flex-direction:column;gap:2px}.nav,.nav a{display:flex}.nav a{align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--muted);font-size:13.5px}.nav a:hover{background:var(--bg)}.nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}.main{flex:1 1;min-width:0;flex-direction:column}.main,.top{display:flex}.top{align-items:center;gap:12px;padding:14px 28px;background:var(--card);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:20}.top h1{font-size:16px;font-weight:650}.top .sp{flex:1 1}.avatar{width:30px;height:30px;border-radius:50%;background:#dbe2f5;color:#3a5bf0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex-shrink:0}.nav-label{font-size:11px;color:#9aa1ab;letter-spacing:.6px;margin:16px 10px 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