:root{--bg: #ffffff;--bg-soft: #f8fafc;--card: #ffffff;--fg: #0f172a;--muted: #64748b;--faint: #94a3b8;--border: #e2e8f0;--border-strong: #cbd5e1;--accent: #4f46e5;--accent-2: #7c3aed;--accent-soft: rgba(79, 70, 229, .08);--code-bg: #f1f5f9;--pre-bg: #0f172a;--pre-fg: #e2e8f0;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 16px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .1);--radius: 14px;--radius-sm: 8px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Courier New", monospace}html[data-theme=dark]{--bg: #0b1120;--bg-soft: #0f172a;--card: #111c31;--fg: #e2e8f0;--muted: #94a3b8;--faint: #64748b;--border: #1e293b;--border-strong: #334155;--accent: #818cf8;--accent-2: #a78bfa;--accent-soft: rgba(129, 140, 248, .12);--code-bg: #1e293b;--pre-bg: #0a0f1e;--pre-fg: #e2e8f0;--shadow-sm: 0 1px 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