:root{--brand:#0FA47F;--brand-600:#0C8F6D;--brand-700:#0A6B54;--brand-50:#EAF7F2;--brand-100:#D2EEE5;--accent:#FF8A3D;--accent-50:#FFF4EC;--ink:#15211E;--ink-2:#3F514D;--muted:#7B8C87;--line:#E3EDE9;--line-2:#EFF5F3;--bg:#F5F8F7;--card:#FFFFFF;--ok:#12B76A;--warn:#F79009;--danger:#F04438;--r:12px;--r-sm:8px;--sh-1:0 1px 2px rgba(16,42,36,.05);--sh-2:0 6px 22px rgba(16,42,36,.08);--sidebar-w:216px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:14px}h1,h2,h3,h4{margin:0}.shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);flex:none;background:#0B1F1A;color:#B9CCC6;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;overflow-y:auto}.sidebar 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var(--line);background:var(--line-2);cursor:pointer;transition:.18s}.ff-switch.on{background:var(--brand);border-color:var(--brand)}.ff-switch:disabled{opacity:.5;cursor:not-allowed}.ff-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:transform .18s}.ff-switch.on .ff-knob{transform:translateX(20px)}.main{flex:1 1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}.topbar{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:-webkit-sticky;position:sticky;top:0;z-index:20}.topbar .crumb{color:var(--muted);font-size:13px}.topbar 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