:root{--app-bg: #f5f7fb;--panel-bg: #ffffff;--panel-border: #e5e7eb;--text-main: #111827;--text-sub: #64748b;--brand: #2563eb;--brand-soft: #eff6ff;--success-soft: #ecfdf5}*{margin:0;padding:0;box-sizing:border-box}html,body,#app{min-height:100vh}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:radial-gradient(circle at top left,rgba(59,130,246,.08),transparent 28%),radial-gradient(circle at top right,rgba(16,185,129,.08),transparent 25%),linear-gradient(180deg,#f8fbff,#f5f7fb 40%,#f5f7fb);color:var(--text-main)}a{color:inherit;text-decoration:none}.page-shell{max-width:1320px;margin:0 auto}