:root{--background:#f4f7f9;--foreground:#17212b;--surface:#fff;--border:#e3e9ee;--border-strong:#d5e0e7;--muted:#71808f;--brand:#137b78;--brand-hover:#0f6966;--brand-soft:#e7f5f3;--brand-strong:#0c5f5d;--danger:#b42318;--warning:#9a6416;--success:#14715f;--info:#2368c4;--radius-sm:7px;--radius-md:10px;--radius-lg:14px;--shadow-card:0 1px 2px #16222d09, 0 10px 28px #16222d0b;--shadow-floating:0 18px 46px #11222c29;--focus-ring:0 0 0 3px #137b7824}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}#root{min-height:100%}.app-shell{min-height:100vh}.native-shell{background:radial-gradient(circle at top right, #137b7814, transparent 32vw), var(--background);grid-template-columns:232px minmax(0,1fr);display:grid}.native-sidebar{border-right:1px solid var(--border);background:#fffffff5;height:100vh;position:sticky;top:0;overflow-y:auto;box-shadow:inset 1px 0 #ffffffb3}.native-nav{padding:4px 8px 24px}.native-nav section+section{margin-top:8px}.native-nav h2{color:#9aa5af;letter-spacing:.12em;padding:18px 10px 7px;font-size:11px;font-weight:700}.native-nav a{color:#526170;border-radius:8px;align-items:center;gap:11px;height:40px;margin:4px 0;padding:0 12px;transition:background .15s,color .15s,transform .15s;display:flex}.native-nav a:hover,.native-nav a.active{background:var(--brand-soft);color:var(--brand)}.native-nav a.active{box-shadow:inset 3px 0 0 var(--brand);font-weight:600}.native-nav a:hover{transform:translate(1px)}.native-main{min-width:0}.native-header{z-index:30}.native-offline-banner{z-index:35;color:#9a6416;text-align:center;background:#fff7e8;padding:8px 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