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var(--tag-border);background:var(--tag-bg);color:var(--accent);letter-spacing:.04em;text-transform:uppercase;border-radius:100px;align-items:center;gap:8px;margin-bottom:32px;padding:6px 16px;font-size:13px;font-weight:500;display:inline-flex}.hero-badge:before{content:"";background:var(--accent);border-radius:50%;width:6px;height:6px;animation:2s infinite pulse}@keyframes pulse{50%{opacity:.5}}.hero h1{font-family:var(--font-instrument-serif),"Instrument Serif",serif;letter-spacing:-.02em;color:var(--text);margin-bottom:24px;font-size:clamp(48px,7vw,84px);font-weight:400;line-height:1.05;position:relative}.hero h1 em{color:var(--accent);font-style:italic}.hero-subtitle{color:var(--text-muted);max-width:600px;margin:0 auto 40px;font-size:18px;line-height:1.6}.hero-meta{color:var(--text-dim);letter-spacing:.03em;text-transform:uppercase;justify-content:center;gap:32px;font-size:13px;font-weight:500;display:flex}.hero-meta span{align-items:center;gap:6px;display:flex}.page-layout{gap:32px;max-width:1100px;margin:0 auto;padding:0 32px;display:flex}.container{max-width:820px;margin:0 auto;padding:0 32px}.page-layout>.container{flex:1;min-width:0;margin:0;padding:0}.side-toc{flex-direction:column;flex-shrink:0;align-self:flex-start;gap:2px;width:180px;padding-top:72px;display:flex;position:sticky;top:80px}.side-toc-item{color:var(--text-dim);border-left:2px solid #0000;align-items:center;gap:8px;padding:5px 10px;font-size:12px;font-weight:500;line-height:1.4;text-decoration:none;transition:all .2s;display:flex}.side-toc-item:hover{color:var(--text-muted)}.side-toc-item.active{color:var(--accent);border-left-color:var(--accent)}.side-toc-num{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;flex-shrink:0;font-size:10px;font-weight:700}@media (max-width:1100px){.side-toc{display:none}.page-layout{padding:0;display:block}.page-layout>.container{max-width:820px;margin:0 auto;padding:0 32px}}.toc{border-bottom:1px solid var(--border-subtle);padding:60px 0}@media (min-width:1101px){.toc{display:none}}.toc-label{letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:24px;font-size:11px;font-weight:700}.toc-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.toc-item{color:var(--text-muted);border-radius:8px;align-items:center;gap:12px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.toc-item:hover{background:var(--surface);color:var(--text)}.toc-num{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--accent-dim);min-width:24px;font-size:11px;font-weight:700}.phase{padding:72px 0 0}.phase-header{border-bottom:1px solid var(--border-subtle);margin-bottom:40px;padding-bottom:20px}.phase-num{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:700}.phase-title{font-family:var(--font-instrument-serif),"Instrument Serif",serif;color:var(--text);font-size:36px;font-weight:400;line-height:1.2}.phase-desc{color:var(--text-muted);margin-top:12px;font-size:15px;line-height:1.6}.step{margin-bottom:48px;position:relative}.step-header{align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.step-number{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--accent-dim);flex-shrink:0;font-size:12px;font-weight:700}.step h3{color:var(--text);font-size:18px;font-weight:600;line-height:1.3}.step p{color:var(--text-muted);margin-bottom:16px;font-size:15px;line-height:1.7}.step p strong{color:var(--text);font-weight:600}.code-block{border:1px solid var(--code-border);background:var(--code-bg);border-radius:10px;margin:16px 0 20px;position:relative;overflow:hidden}.code-label{border-bottom:1px solid var(--code-border);background:#ffffff03;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.code-label span{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:500}.code-label .copy-btn{border:1px solid var(--border);font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--text-dim);cursor:pointer;text-transform:uppercase;letter-spacing:.06em;background:0 0;border-radius:6px;padding:4px 10px;font-size:10px;transition:all .2s}.code-label .copy-btn:hover{border-color:var(--accent-dim);color:var(--accent)}pre{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--text-muted);padding:20px;font-size:13px;line-height:1.65;overflow-x:auto}pre code{font-family:inherit}.hl-comment{color:#4a4a56;font-style:italic}.hl-cmd{color:#c4956a}.hl-flag{color:#6a9abf}.hl-string{color:#6abf8a}.hl-var{color:#bfa86a}.hl-keyword{color:#bf6a9a}.callout{border-radius:10px;margin:20px 0;padding:20px 24px;font-size:14px;line-height:1.65}.callout-title{letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:700}.callout.warning{color:var(--text-muted);background:#bf6a6a0f;border:1px solid #bf6a6a26}.callout.warning .callout-title{color:var(--red)}.callout.tip{background:var(--green-dim);color:var(--text-muted);border:1px solid #6abf8a26}.callout.tip .callout-title{color:var(--green)}.callout.info{color:var(--text-muted);background:#6a9abf0f;border:1px solid #6a9abf26}.callout.info .callout-title{color:var(--blue)}.config-block{background:var(--surface);border:1px solid var(--border-subtle);border-radius:10px;margin:16px 0;padding:20px 24px}.config-block h4{font-family:var(--font-jetbrains-mono),"JetBrains 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.file{color:var(--text-muted)}.file-tree .desc{color:var(--text-dim);font-size:11px}.arch-diagram{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--text-muted);font-size:13px;line-height:1.9}.arch-diagram pre{background:0 0;border:none;padding:0;overflow-x:auto}.tool-selector-hint{color:var(--text-muted);margin-bottom:20px;font-size:15px;line-height:1.7}.tool-mode-row{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.tool-mode-btn{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;cursor:pointer;border-radius:999px;padding:7px 14px;font-size:12px;font-weight:600;transition:all .2s}.tool-mode-btn:hover{border-color:var(--accent-dim);color:var(--accent);background:var(--surface-hover)}.tool-card-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:24px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--border);cursor:pointer;text-align:left;color:inherit;border-radius:10px;flex-direction:column;align-items:flex-start;gap:6px;padding:18px 20px;font-family:inherit;transition:all .2s;display:flex}.tool-card:hover{background:var(--surface-hover);border-color:var(--accent-dim)}.tool-card.selected{border-color:var(--accent);box-shadow:0 0 16px var(--accent-glow),inset 0 0 16px var(--accent-glow)}.tool-card-check{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;color:var(--accent);border:1px solid var(--border);border-radius:5px;justify-content:center;align-items:center;width:22px;height:22px;margin-bottom:4px;font-size:14px;font-weight:700;transition:all .2s;display:flex}.tool-card.selected .tool-card-check{border-color:var(--accent);background:var(--accent-glow)}.tool-card-name{color:var(--text);font-size:15px;font-weight:600}.tool-card-desc{color:var(--text-dim);font-size:13px;line-height:1.5}.site-nav{z-index:100;background:var(--bg);height:56px;position:fixed;top:0;left:0;right:0}@supports (color:color-mix(in lab, red, red)){.site-nav{background:color-mix(in srgb,var(--bg)85%,transparent)}}.site-nav{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle)}.site-nav-inner{justify-content:space-between;align-items:center;max-width:1100px;height:100%;margin:0 auto;padding:0 32px;display:flex}.site-nav-brand{font-family:var(--font-instrument-serif),"Instrument Serif",serif;color:var(--text);letter-spacing:-.01em;font-size:22px;text-decoration:none;transition:color .2s}.site-nav-brand:hover{color:var(--accent)}.site-nav-links{align-items:center;gap:4px;display:flex}.site-nav-link{color:var(--text-muted);border-radius:6px;padding:6px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}.site-nav-link:hover{color:var(--text);background:var(--surface-hover)}.site-nav-link.active{color:var(--accent)}.theme-toggle{border:1px solid var(--border);background:var(--surface);width:36px;height:36px;color:var(--text-muted);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;margin-left:8px;transition:all .2s;display:flex;position:static}.theme-toggle:hover{border-color:var(--accent-dim);color:var(--accent);background:var(--surface-hover)}.troubleshooting-hero{text-align:center;border-bottom:1px solid var(--border-subtle);padding:80px 40px 48px;position:relative;overflow:hidden}.troubleshooting-hero:before{content:"";pointer-events:none;background:radial-gradient(#c4956a0f 0%,#0000 70%);width:800px;height:800px;position:absolute;top:-200px;left:50%;transform:translate(-50%)}.troubleshooting-hero h1{font-family:var(--font-instrument-serif),"Instrument Serif",serif;color:var(--text);margin-bottom:16px;font-size:clamp(36px,5vw,56px);font-weight:400;line-height:1.1;position:relative}.troubleshooting-hero h1 em{color:var(--accent);font-style:italic}.troubleshooting-hero p{color:var(--text-muted);max-width:520px;margin:0 auto;font-size:16px;line-height:1.6}.back-link{color:var(--accent);letter-spacing:.03em;align-items:center;gap:6px;font-size:13px;font-weight:600;text-decoration:none;transition:opacity .2s;display:inline-flex}.back-link:hover{opacity:.8}.symptom-label{font-family:var(--font-jetbrains-mono),"JetBrains Mono",monospace;letter-spacing:.1em;text-transform:uppercase;margin-top:16px;margin-bottom:6px;font-size:10px;font-weight:700}.symptom-label:first-child{margin-top:0}.symptom-label.symptoms{color:var(--red)}.symptom-label.diagnosis{color:var(--blue)}.symptom-label.fix{color:var(--green)}.symptom-label.prevention{color:var(--accent)}@media (max-width:640px){.hero{padding:88px 24px 48px}.troubleshooting-hero{padding:72px 24px 32px}.container{padding:0 20px}.toc-grid{grid-template-columns:1fr}.hero-meta{flex-direction:column;gap:8px}pre{padding:16px;font-size:12px}.tool-card-grid{grid-template-columns:1fr}.site-nav-inner{padding:0 16px}.site-nav-link{padding:6px 10px;font-size:13px}.site-nav-brand{font-size:20px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}