:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--bg-elevated: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #6e7681;--accent: #58a6ff;--accent-hover: #79b8ff;--accent-warm: #f0883e;--accent-purple: #a371f7;--accent-green: #3fb950;--accent-red: #f85149;--accent-pink: #db61a2;--border: #30363d;--border-muted: #21262d;--max-width: 1280px;--content-width: 760px;--sidebar-width: 260px;--radius: 8px;--radius-lg: 12px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.site-grid{display:grid;grid-template-columns:var(--sidebar-width) 1fr var(--sidebar-width);gap:32px;padding:32px 0}@media (max-width: 1024px){.site-grid{grid-template-columns:1fr}.sidebar-left,.sidebar-right{display:none}}.site-header{position:sticky;top:0;z-index:100;background:#0d1117d9;backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}.site-logo{font-size:20px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.site-logo:hover{text-decoration:none}.site-logo .tag{font-size:12px;color:var(--accent);background:#58a6ff1a;padding:2px 8px;border-radius:4px;border:1px solid rgba(88,166,255,.3)}.site-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.site-nav a{color:var(--text-secondary);padding:6px 12px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:all .15s ease}.site-nav a:hover{color:var(--text-primary);background:var(--bg-tertiary);text-decoration:none}.site-nav a.active{color:var(--accent);background:#58a6ff1a}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:all .2s ease}.card:hover{border-color:var(--border-muted);transform:translateY(-2px)}.article-card{display:block;margin-bottom:24px;padding:20px}.article-card:hover{text-decoration:none}.article-card .meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--text-muted);margin-bottom:8px}.article-card h2{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:8px;color:var(--text-primary)}.article-card h2 a{color:inherit}.article-card h2 a:hover{color:var(--accent);text-decoration:none}.article-card .excerpt{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:12px}.article-card .footer{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted)}.tag{display:inline-flex;align-items:center;font-size:12px;padding:2px 10px;border-radius:12px;background:#a371f726;color:var(--accent-purple);font-weight:500}.tag-blue{background:#58a6ff26;color:var(--accent)}.tag-orange{background:#f0883e26;color:var(--accent-warm)}.tag-green{background:#3fb95026;color:var(--accent-green)}.tag-pink{background:#db61a226;color:var(--accent-pink)}.featured-card{position:relative;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);border:1px solid var(--accent);border-radius:var(--radius-lg);padding:32px;margin-bottom:32px;overflow:hidden}.featured-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent-warm)}.featured-label{display:inline-block;font-size:11px;font-weight:700;color:var(--accent-warm);letter-spacing:.1em;margin-bottom:12px}.featured-card h2{font-size:28px;font-weight:700;margin-bottom:12px;line-height:1.3}.featured-card h2 a{color:var(--text-primary)}.featured-card h2 a:hover{color:var(--accent);text-decoration:none}.featured-card .excerpt{color:var(--text-secondary);font-size:15px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;transition:all .15s ease}.btn:hover{background:var(--bg-elevated);text-decoration:none}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-danger{background:var(--accent-red);border-color:var(--accent-red);color:#fff}.btn-ghost{background:transparent}.sidebar{display:flex;flex-direction:column;gap:24px}.sidebar-section h3{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.sidebar-nav{list-style:none;padding:0}.sidebar-nav li{margin-bottom:2px}.sidebar-nav a{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius);color:var(--text-secondary);font-size:14px}.sidebar-nav a:hover{background:var(--bg-tertiary);color:var(--text-primary);text-decoration:none}.sidebar-nav a.active{color:var(--accent);background:#58a6ff14}.prose{max-width:var(--content-width);margin:0 auto}.prose h1{font-size:32px;font-weight:700;margin:32px 0 16px}.prose h2{font-size:24px;font-weight:600;margin:32px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.prose h3{font-size:20px;font-weight:600;margin:24px 0 8px}.prose p{margin:16px 0;line-height:1.75;color:var(--text-primary)}.prose ul,.prose ol{margin:16px 0;padding-left:24px}.prose li{margin:6px 0;line-height:1.7}.prose blockquote{border-left:4px solid var(--accent);background:var(--bg-secondary);padding:12px 16px;margin:16px 0;color:var(--text-secondary);border-radius:0 var(--radius) var(--radius) 0}.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;color:var(--accent-warm)}.prose pre{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:16px;overflow-x:auto;margin:16px 0}.prose pre code{background:transparent;padding:0;color:var(--text-primary);font-size:13px;line-height:1.6}.prose img{border-radius:var(--radius);border:1px solid var(--border);margin:24px auto}.prose hr{border:none;border-top:1px solid var(--border);margin:32px 0}.prose table{width:100%;border-collapse:collapse;margin:16px 0}.prose th,.prose td{padding:8px 12px;border:1px solid var(--border);text-align:left}.prose th{background:var(--bg-secondary);font-weight:600}input[type=text],input[type=password],textarea,select{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:14px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group{margin-bottom:16px}.site-footer{margin-top:64px;padding:32px 0;border-top:1px solid var(--border);color:var(--text-muted);font-size:13px;text-align:center}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-8{margin-bottom:32px}.mt-4{margin-top:16px}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.gap-4{gap:16px}