:root{color:#1f2d3d;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--nexus-ink:#173a5e;--nexus-deep:#102d49;--nexus-accent:#eaa735;--nexus-canvas:#eef2f5;--nexus-border:#dce3e9;background:#eef2f5;font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{min-width:320px;min-height:100%;margin:0}body{background:var(--nexus-canvas);min-height:100vh}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:block}.app-sidebar{z-index:20;color:#dce8f2;background:linear-gradient(180deg, #ffffff08, transparent 24%), var(--nexus-deep);flex-direction:column;transition:width .16s;display:flex;position:fixed;inset:0 auto 0 0;overflow:hidden}.brand{border-bottom:1px solid #ffffff17;align-items:center;gap:12px;height:76px;padding:0 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