:root{--primary:#2563eb;--primary-soft:#eef4ff;--text:#172033;--muted:#6b7280;--border:#e6eaf0;--bg:#f6f8fc;--card:#fff;--success:#12a875;--warning:#f59e0b;--danger:#e5484d;--purple:#7c5cfc;--sidebar:246px;--topbar:80px;--radius:8px;--shadow:0 1px 2px rgba(23,32,51,.03)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);font-size:14px;letter-spacing:0}body{background:var(--bg)}button,input,select{font:inherit;letter-spacing:0}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#fff;border-right:1px solid var(--border);z-index:5;padding:24px 18px;display:flex;flex-direction:column}.brand-word{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);padding:0 8px 22px}.brand-word strong{font-size:17px;display:block}.brand-word 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.section-title{grid-column:1/-1}.donut{width:110px;height:110px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,#fff 51%,transparent 53%),conic-gradient(var(--primary) 0 62%,var(--success) 62% 86%,var(--purple) 86% 96%,var(--warning) 96%)}.donut b{font-size:22px}.donut span{font-size:10px;color:var(--muted)}.donut-card ul{list-style:none;margin:4px 0;padding:0}.donut-card li{margin:9px 0;font-size:11px}.donut-card li i{width:7px;height:7px;display:inline-block;border-radius:50%;margin-right:8px}.blue{background:var(--primary)}.green{background:var(--success)}.purple{background:var(--purple)}.yellow{background:var(--warning)}.filterbar{height:66px;padding:14px 18px;display:flex;gap:10px;border-bottom:1px solid var(--border)}.search{height:36px;width:280px;border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;padding:0 11px;color:#9aa2ae}.search 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18px;border-radius:6px;z-index:30;opacity:0;transform:translateY(-10px);transition:.2s;pointer-events:none}#toast.show{opacity:1;transform:none}@media(max-width:1100px){.metric-grid{grid-template-columns:repeat(2,1fr)}.analytics{grid-template-columns:1fr}.login-brand{display:none}.login-shell{grid-template-columns:1fr}}@media(max-width:800px){.sidebar{width:76px;padding:20px 10px}.sidebar .brand-word div,.nav-group,.nav-item:not(.active),.nav-item.active{font-size:0}.sidebar .brand-word{padding-left:10px}.nav-item.active{justify-content:center}.side-status span{display:none}.workspace{margin-left:76px;min-width:720px}.topbar,.content{padding-left:24px;padding-right:24px}}