:root{--bg: #0d1117;--bg-alt: #11161f;--bg-card: #161d29;--bg-code: #0a0e14;--border: #232c3b;--text: #e6edf3;--text-secondary: #9aa7b8;--text-muted: #6b7986;--accent: #0d9488;--accent-hover: #14b8a6;--accent-soft: rgba(13, 148, 136, .14);--accent-border: rgba(20, 184, 166, .35);--badge-add: #4ade80;--badge-fix: #60a5fa;--badge-secure: #f59e0b;--code-text: #a5d6ff;--header-bg: rgba(13, 17, 23, .82);--radius: 12px;--radius-sm: 8px;--max-width: 1080px;--header-height: 60px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Noto Sans SC,PingFang SC,Hiragino Sans GB,Segoe UI,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}a{color:var(--accent-hover);text-decoration:none}a:hover{text-decoration:underline}code{font-family:JetBrains Mono,SF 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