:root{
  --surface:#f8f9ff; --surface-dim:#cbdbf5; --surface-bright:#f8f9ff;
  --surface-container-lowest:#ffffff; --surface-container-low:#eff4ff;
  --surface-container:#e5eeff; --surface-container-high:#dce9ff; --surface-container-highest:#d3e4fe;
  --on-surface:#0b1c30; --on-surface-variant:#434655;
  --inverse-surface:#213145; --inverse-on-surface:#eaf1ff; --inverse-primary:#b4c5ff;
  --outline:#737686; --outline-variant:#c3c6d7;
  --surface-tint:#0053db;
  --primary:#004ac6; --on-primary:#ffffff; --primary-container:#2563eb; --on-primary-container:#eeefff;
  --secondary:#565e74; --on-secondary:#ffffff; --secondary-container:#dae2fd; --on-secondary-container:#5c647a;
  --tertiary:#005e6e; --on-tertiary:#ffffff; --tertiary-container:#00788c; --on-tertiary-container:#d7f6ff;
  --error:#ba1a1a; --on-error:#ffffff; --error-container:#ffdad6; --on-error-container:#93000a;
  --primary-fixed:#dbe1ff; --primary-fixed-dim:#b4c5ff; --on-primary-fixed:#00174b; --on-primary-fixed-variant:#003ea8;
  --secondary-fixed:#dae2fd; --secondary-fixed-dim:#bec6e0; --on-secondary-fixed:#131b2e; --on-secondary-fixed-variant:#3f465c;
  --tertiary-fixed:#acedff; --tertiary-fixed-dim:#4cd7f6; --on-tertiary-fixed:#001f26; --on-tertiary-fixed-variant:#004e5c;
  --background:#f8f9ff; --on-background:#0b1c30; --surface-variant:#d3e4fe;
  --card-c1:#5D5FEF; --card-c2:#0091FF; --card-c3:#00BA88; --card-c4:#F4A100;

  --font-body:'PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI','Helvetica Neue',Arial,sans-serif;
  --font-mono:'JetBrains Mono','Menlo','Consolas',monospace;

  --sidebar-w:256px;
  --topbar-h:64px;
  --gutter:16px;
  --stack-sm:8px; --stack-md:16px; --stack-lg:24px;
  --radius-lg:.5rem; --radius-xl:.75rem; --radius-full:9999px;
  --shadow-sm:0 1px 2px rgba(11,28,48,.05), 0 1px 3px rgba(11,28,48,.06);
  --shadow-md:0 4px 12px rgba(11,28,48,.06);
  --shadow-lg:0 10px 30px rgba(11,28,48,.12);
}