:root{--gc-background:#f0f7ff;--gc-foreground:#1a2332;--gc-card:#fff;--gc-card-foreground:#1a2332;--gc-popover:#fff;--gc-popover-foreground:#1a2332;--gc-primary:#4f8cff;--gc-primary-foreground:#fff;--gc-muted:#f0f4f8;--gc-muted-foreground:#6b7a8d;--gc-border:#e2e8f0;--gc-input:#e2e8f0;--gc-ring:#4f8cff;--gc-success:#22c55e;--gc-danger:#ef4444;--gc-warning:#f59e0b;--gc-math:#4f8cff;--gc-chinese:#ff6b6b;--gc-english:#ffb347;--gc-logic:#a78bfa;--gc-radius-sm:8px;--gc-radius-md:8px;--gc-radius-lg:20px;--gc-radius-xl:28px;--gc-shadow-sm:0 2px 8px rgba(79,140,255,.08);--gc-shadow-md:0 4px 16px rgba(79,140,255,.12);--gc-shadow-lg:0 8px 32px rgba(79,140,255,.16);--gc-shadow-glow:0 0 20px rgba(79,140,255,.3);--font-sans:"PingFang SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;--gc-container-width:430px;--gc-content-pad:16px;--gc-fun-card-min:0;--gc-map-height:560px}@media (min-width:768px){:root{--gc-container-width:640px;--gc-content-pad:24px;--gc-map-height:640px}}@media (min-width:1024px){:root{--gc-container-width:820px;--gc-content-pad:28px;--gc-map-height:720px}}@media (min-width:1280px){:root{--gc-container-width:960px}}@media (max-width:360px){:root{--gc-content-pad:12px;--gc-map-height:520px}}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--gc-background);color:var(--gc-foreground);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;min-height:100dvh}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}