:root{--bg-page: #f5f4f0;--bg-card: #ffffff;--bg-subtle: #f0eee8;--bg-hover: #e7e4dc;--text-main: #18181b;--text-secondary: #52525b;--text-muted: #71717a;--border-color: #e4e2dc;--border-strong: #cfccc3;--accent: #4f46e5;--accent-hover: #4338ca;--accent-soft: #eef2ff;--accent-coral: #e11d48;--success: #15803d;--success-bg: #dcfce7;--amber: #d97706;--amber-bg: #fef3c7;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(24, 24, 27, .06);--shadow-md: 0 8px 24px -4px rgba(24, 24, 27, .08);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 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