:root{--font-family: Inter, "Segoe UI", Arial, sans-serif;--text-strong: #0f2344;--text-muted: #496082;--text-soft: #325076;--bg-page-a: #f4f8ff;--bg-page-b: #eaf2ff;--bg-card: #ffffff;--bg-elevated: #f5f9ff;--border-soft: #d8e4f8;--border-strong: #b7c9e8;--brand-50: #edf4ff;--brand-100: #d9e7ff;--brand-500: #0046ad;--brand-600: #003d98;--brand-700: #003380;--danger-bg: #fef3f2;--danger-text: #b42318;--shadow-sm: 0 3px 10px rgba(0, 45, 114, .09);--shadow-md: 0 16px 38px rgba(0, 45, 114, .18);--radius-lg: 16px;--radius-xl: 22px;--transition-fast: .18s ease;--transition-smooth: .26s cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:var(--font-family);color:var(--text-strong);background:radial-gradient(circle at 0% 0%,rgba(0,70,173,.12),transparent 40%),radial-gradient(circle at 100% 100%,rgba(0,61,152,.1),transparent 45%),linear-gradient(180deg,var(--bg-page-a) 0%,var(--bg-page-b) 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