:root{--bg: #0d1117;--bg-2: #161b22;--bg-3: #1c2128;--bg-card: #21262d;--border: #30363d;--border-subtle: #21262d;--text: #e6edf3;--text-muted: #7d8590;--text-dim: #484f58;--accent: #0078d4;--accent-dark: #005a9e;--accent-glow: rgba(0, 120, 212, .15);--green: #3fb950;--blue: #58a6ff;--purple: #bc8cff;--red: #f85149;--yellow: #d29922;--radius: 8px;--radius-lg: 12px;--font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace}@media (prefers-color-scheme: light){:root{--bg: #ffffff;--bg-2: #f6f8fa;--bg-3: #eaeef2;--bg-card: #f6f8fa;--border: #d0d7de;--border-subtle: #eaeef2;--text: #1f2328;--text-muted: #57606a;--text-dim: #8c959f;--accent: #0969da;--accent-dark: #0550ae;--accent-glow: rgba(9, 105, 218, .1);--green: #1a7f37;--blue: #0969da;--purple: #8250df;--red: #cf222e;--yellow: #9a6700}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}h1,h2,h3,h4{line-height:1.3;font-weight:600;letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.1rem}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--font-mono);font-size:.88em}.container{max-width:960px;margin:0 auto;padding:0 24px}.section{padding:80px 0;border-bottom:1px solid var(--border-subtle)}.section:last-child{border-bottom:none}.section-label{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.section-title{margin-bottom:12px}.section-desc{color:var(--text-muted);max-width:600px;margin-bottom:48px;line-height:1.7}.navbar{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:56px}.navbar-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:.95rem;color:var(--text);text-decoration:none}.navbar-logo-icon{width:28px;height:28px;background:linear-gradient(135deg,var(--accent),#58a6ff);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px}.navbar-nav{display:flex;gap:4px;list-style:none}.navbar-nav a{display:block;padding:6px 12px;border-radius:var(--radius);font-size:.88rem;color:var(--text-muted);transition:color .15s,background .15s}.navbar-nav a:hover{color:var(--text);background:var(--bg-card);text-decoration:none}.hero{padding:100px 0 80px;border-bottom:1px solid var(--border-subtle)}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-glow);border:1px solid var(--accent-dark);border-radius:20px;padding:4px 14px;font-size:.78rem;color:var(--accent);font-weight:500;margin-bottom:28px}.hero-badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.hero-title{margin-bottom:20px}.hero-title span{color:var(--accent)}.hero-subtitle{font-size:1.1rem;color:var(--text-muted);max-width:580px;margin-bottom:40px;line-height:1.7}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:60px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:var(--radius);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all .15s;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#106ebe;text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 16px #0078d466}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-3);text-decoration:none;border-color:var(--text-muted)}.hero-stats{display:flex;gap:40px;padding-top:40px;border-top:1px solid var(--border-subtle);flex-wrap:wrap}.hero-stat-num{font-size:1.8rem;font-weight:700;color:var(--text);line-height:1;margin-bottom:4px}.hero-stat-label{font-size:.82rem;color:var(--text-muted)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;transition:border-color .2s,transform .2s}.tool-card:hover{border-color:var(--accent-dark);transform:translateY(-2px)}.tool-card-icon{width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}.tool-card-name{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}.tool-card-desc{font-size:.85rem;color:var(--text-muted);margin-bottom:14px;line-height:1.6}.tool-card-tag{display:inline-block;font-size:.72rem;font-weight:500;padding:2px 8px;border-radius:12px;font-family:var(--font-mono)}.prereq-list{display:flex;flex-direction:column;gap:12px}.prereq-item{display:flex;align-items:flex-start;gap:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:border-color .2s}.prereq-item:hover{border-color:var(--border)}.prereq-num{width:28px;height:28px;background:var(--accent-glow);border:1px solid var(--accent-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;color:var(--accent);flex-shrink:0;margin-top:1px}.prereq-name{font-weight:600;color:var(--text);margin-bottom:2px;display:flex;align-items:center;gap:8px}.prereq-name a{font-size:.85rem}.prereq-note{font-size:.83rem;color:var(--text-muted)}.badge-required{font-size:.68rem;font-weight:600;padding:2px 7px;background:#f8514926;border:1px solid rgba(248,81,73,.3);color:var(--red);border-radius:10px;letter-spacing:.04em}.badge-optional{font-size:.68rem;font-weight:600;padding:2px 7px;background:#7d859026;border:1px solid var(--border);color:var(--text-muted);border-radius:10px;letter-spacing:.04em}.steps{display:flex;flex-direction:column;gap:0}.step-item{display:flex;gap:24px;padding-bottom:36px;position:relative}.step-item:last-child{padding-bottom:0}.step-left{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:32px}.step-num{width:32px;height:32px;background:var(--bg-card);border:2px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:700;color:var(--accent);flex-shrink:0;position:relative;z-index:1}.step-line{width:2px;flex:1;background:var(--border);margin-top:8px}.step-item:last-child .step-line{display:none}.step-content{flex:1;padding-top:4px;padding-bottom:8px}.step-title{font-weight:600;color:var(--text);margin-bottom:8px;font-size:1rem}.step-desc{font-size:.875rem;color:var(--text-muted);margin-bottom:14px;line-height:1.7}.terminal{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-top:12px}.terminal-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--bg-3);border-bottom:1px solid var(--border)}.terminal-dot{width:10px;height:10px;border-radius:50%}.terminal-label{font-size:.76rem;color:var(--text-dim);margin-left:6px;font-family:var(--font-mono)}.terminal-body{padding:16px 18px;font-family:var(--font-mono);font-size:.83rem;line-height:1.8;white-space:pre;overflow-x:auto}.t-prompt{color:var(--green)}.t-cmd{color:var(--text)}.t-comment{color:var(--text-dim)}.t-out{color:var(--text-muted)}.t-ok{color:var(--green)}.t-warn{color:var(--yellow)}.t-accent{color:var(--accent)}.t-blue{color:var(--blue)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:24px;flex-wrap:wrap}.tab-btn{padding:8px 16px;font-size:.85rem;font-weight:500;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:color .15s;font-family:var(--font-mono);margin-bottom:-1px}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-panel{display:none}.tab-panel.active{display:block}.download-box{background:linear-gradient(135deg,var(--bg-card),var(--bg-3));border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.download-title{font-size:1.1rem;font-weight:600;margin-bottom:6px}.download-meta{font-size:.83rem;color:var(--text-muted);display:flex;align-items:center;gap:16px;flex-wrap:wrap}.download-meta-item{display:flex;align-items:center;gap:5px}.callout{display:flex;gap:12px;padding:14px 18px;border-radius:var(--radius);font-size:.85rem;line-height:1.6;margin-top:14px}.callout-info{background:#58a6ff14;border:1px solid rgba(88,166,255,.2)}.callout-warn{background:#d2992214;border:1px solid rgba(210,153,34,.2)}.callout-icon{font-size:1rem;flex-shrink:0;margin-top:1px}.callout-text{color:var(--text-muted)}.callout-text strong{color:var(--text)}.credits-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 32px;display:flex;gap:20px;align-items:flex-start}.credits-avatar{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;flex-shrink:0}.credits-role{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:4px}.credits-name{font-size:1rem;font-weight:600;margin-bottom:2px}.credits-email{font-size:.85rem;color:var(--text-muted);font-family:var(--font-mono)}.credits-desc{font-size:.83rem;color:var(--text-muted);margin-top:8px;line-height:1.6}.credits-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 600px){.credits-grid{grid-template-columns:1fr}}.footer{padding:32px 0;border-top:1px solid var(--border-subtle);text-align:center;color:var(--text-dim);font-size:.82rem}.footer a{color:var(--text-muted)}@media (max-width: 640px){.hero{padding:60px 0 48px}.section{padding:56px 0}.navbar-nav{display:none}.download-box{flex-direction:column}.tools-grid{grid-template-columns:1fr}.hero-stats{gap:24px}}