:root{--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius-sm: 8px;--radius: 11px;--radius-lg: 16px;--panel-w: clamp(330px, 25vw, 420px);--ease: cubic-bezier(.2, .7, .2, 1);--dur-fast: .12s;--dur: .22s;--dur-slow: .48s;color-scheme:dark;--bg: #0a0e1a;--bg-glow-a: rgba(124, 58, 237, .08);--bg-glow-b: rgba(14, 165, 233, .06);--surface: #10162a;--surface-2: #151c32;--surface-3: #1c2440;--tile: #131a2e;--tile-hover: #19223a;--border: rgba(148, 163, 184, .13);--border-strong: rgba(148, 163, 184, .3);--text: #e8ecf4;--text-muted: #9ba7bd;--text-faint: #6c7891;--accent: #f1f4fa;--accent-contrast: #0a0e1a;--focus: #93c5fd;--shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 10px 30px -8px rgba(0, 0, 0, .45);--dim: .26;--rel-network: #a78bfa;--rel-invoke: #fbbf24;--rel-data: #38bdf8;--rel-security: #fb7185;--rel-ops: #34d399;--cat-edge: #c084fc;--cat-networking: #a78bfa;--cat-compute: #fb923c;--cat-integration: #fbbf24;--cat-storage: #38bdf8;--cat-database: #60a5fa;--cat-analytics: #22d3ee;--cat-security: #fb7185;--cat-governance: #f472b6;--cat-management: #34d399;--cat-devtools: #2dd4bf;--cat-migration: #a3e635}:root[data-theme=light]{color-scheme:light;--bg: #f5f6fa;--bg-glow-a: rgba(124, 58, 237, .05);--bg-glow-b: rgba(14, 165, 233, .05);--surface: #ffffff;--surface-2: #f6f7fb;--surface-3: #ffffff;--tile: #ffffff;--tile-hover: #f8f9fc;--border: rgba(15, 23, 42, .1);--border-strong: rgba(15, 23, 42, .22);--text: #0f172a;--text-muted: #4a5568;--text-faint: #7a8599;--accent: #0f172a;--accent-contrast: #ffffff;--focus: #2563eb;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 10px 30px -10px rgba(15, 23, 42, .18);--dim: .32;--rel-network: #7c3aed;--rel-invoke: #d97706;--rel-data: #0284c7;--rel-security: #e11d48;--rel-ops: #059669;--cat-edge: #9333ea;--cat-networking: #7c3aed;--cat-compute: #ea580c;--cat-integration: #d97706;--cat-storage: #0284c7;--cat-database: #2563eb;--cat-analytics: #0891b2;--cat-security: 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8px;margin-left:-8px;border-radius:var(--radius-sm);text-align:left;font-size:13px;line-height:1.45;color:var(--text-muted);transition:background var(--dur-fast)}.rel-row:hover,.rel-row:focus-visible{background:color-mix(in srgb,var(--rel) 12%,transparent)}.rel-arrow{flex:none;font-weight:700;color:var(--rel)}.rel-other{font-weight:600;color:var(--text)}.rel-self{color:var(--text-muted)}.chip-list{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:5px 11px;border-radius:999px;border:1px solid var(--border-strong);font-size:12.5px;font-weight:500;transition:background var(--dur-fast),border-color var(--dur-fast)}.chip:hover{background:var(--surface-2);border-color:var(--text-faint)}.links li+li{margin-top:2px}.links a{display:inline-flex;align-items:baseline;gap:6px;padding:3px 0;font-size:13px;text-decoration:none;color:var(--text)}.links a span{font-size:11px;color:var(--text-faint)}.links a:hover{text-decoration:underline;text-underline-offset:3px}.tour-list{display:grid;gap:8px}.tour-card{display:grid;gap:3px;width:100%;padding:11px 13px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);text-align:left;transition:border-color var(--dur-fast),background var(--dur-fast)}.tour-card:hover{border-color:var(--border-strong);background:var(--surface-3)}.tour-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.tour-card-title{font-size:13.5px;font-weight:600}.tour-card-meta{flex:none;font-size:11px;color:var(--text-faint)}.tour-card-summary{font-size:12.5px;line-height:1.5;color:var(--text-muted)}.progress{height:4px;margin:16px 0 6px;border-radius:999px;background:var(--surface-3);overflow:hidden}.progress span{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width var(--dur-slow) var(--ease)}.steps{margin-top:10px}.step{position:relative;padding:4px 0 10px 34px}.step:not(:last-child):before{content:"";position:absolute;left:11px;top:30px;bottom:-2px;width:2px;border-radius:1px;background:var(--border)}.step.is-done:before{background:var(--text-faint)}.step-head{display:flex;align-items:center;gap:10px;margin-left:-34px;padding:2px 0;text-align:left}.step-num{display:grid;place-items:center;width:24px;height:24px;flex:none;border-radius:50%;font-size:11.5px;font-weight:700;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-muted)}.step-name{font-size:14px;font-weight:600;color:var(--text-muted)}.step-text{margin-top:2px;font-size:13px;line-height:1.55;color:var(--text-faint)}.step.is-done .step-num{background:var(--surface-3);color:var(--text)}.step.is-current .step-num{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.step.is-current .step-name{color:var(--text)}.step.is-current .step-text{color:var(--text);font-size:13.5px}.step-head:hover .step-name{color:var(--text)}.text-btn{margin-top:6px;font-size:12.5px;font-weight:600;color:var(--text-muted)}.text-btn:hover{color:var(--text);text-decoration:underline;text-underline-offset:3px}.tour-nav{position:sticky;bottom:0;display:flex;justify-content:space-between;gap:10px;padding:12px 22px;border-top:1px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.tour-nav .btn{flex:1}