:root{--color-primary: #2563eb;--color-primary-50: #eff6ff;--color-primary-100: #dbeafe;--color-primary-200: #bfdbfe;--color-primary-500: #3b82f6;--color-primary-600: #1d4ed8;--color-primary-700: #1e40af;--color-accent: #0ea5e9;--color-success: #059669;--color-success-50: #ecfdf5;--color-warning: #d97706;--color-warning-50: #fffbeb;--color-danger: #dc2626;--color-danger-50: #fef2f2;--color-text: #102a5c;--color-text-secondary: #365a93;--color-muted: #6d88b8;--color-placeholder: #8ba3cc;--color-border: #d3e1fb;--color-border-strong: #bfd4fb;--color-border-light: #e5efff;--color-bg: #edf3ff;--color-card: #ffffff;--color-surface: #f5f9ff;--shadow-xs: 0 2px 8px rgba(25, 71, 156, .05);--shadow-sm: 0 10px 24px rgba(25, 71, 156, .08);--shadow-md: 0 18px 36px rgba(25, 71, 156, .12);--shadow-lg: 0 26px 50px rgba(25, 71, 156, .16);--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--radius-full: 999px;--container-width: 1320px;--header-top-height: 80px;--header-bottom-height: 70px;--header-height: calc(var(--header-top-height) + var(--header-bottom-height));--transition-fast: .16s ease;--transition-normal: .22s ease;--transition-slow: .34s ease}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100%}body{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,sans-serif;background:radial-gradient(circle at 8% 0%,rgba(37,99,235,.14),transparent 30%),radial-gradient(circle at 98% 0%,rgba(59,130,246,.12),transparent 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