:root{--tech-max-width:780px}.reading-progress{z-index:200;pointer-events:none;background:0 0;height:2px;position:fixed;top:0;left:0;right:0}.reading-progress-bar{transform-origin:0 0;will-change:transform;width:100%;height:100%;transition:transform 80ms linear;transform:scaleX(0)}.tech-page{isolation:isolate;text-align:left;background-image:radial-gradient(circle at 1px 1px,#0000000b 1px,#0000 0);background-size:28px 28px;background-attachment:fixed;justify-content:center;align-items:flex-start;width:100%;min-height:100vh;padding:48px 16px 96px;display:flex;position:relative}[data-theme=dark] .tech-page{background-image:radial-gradient(circle at 1px 1px,#ffffff0a 1px,#0000 0);background-size:28px 28px;background-attachment:fixed}@media (min-width:640px){.tech-page{padding-top:72px}}.tech-page:before{content:"";background:radial-gradient(circle, var(--section-glow,#5a5a5a0d), transparent 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(min-width:640px){.tech-title{font-size:2.9rem}}@media (min-width:768px){.tech-title{letter-spacing:-.05em;font-size:3.4rem;line-height:1.02}}.tech-description{max-width:580px;color:var(--text-secondary);margin:18px 0 0;font-size:1rem;line-height:1.65}.tech-eyebrow{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);align-items:center;gap:10px;font-size:.7rem;font-weight:500;display:inline-flex}.tech-eyebrow:before{content:"";background:var(--section-color,var(--text-muted));border-radius:50%;flex-shrink:0;width:6px;height:6px}.tech-back{color:var(--text-muted);border:1px solid #0000;border-radius:9999px;align-items:center;gap:6px;padding:7px 14px 7px 10px;font-size:.78rem;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .15s,box-shadow .2s;display:inline-flex}.tech-back svg{transition:transform .2s}.tech-back:hover{background:var(--surface);border-color:var(--border);color:var(--text-primary);box-shadow:0 1px 2px #00000008}.tech-back:hover svg{transform:translate(-2px)}[data-theme=dark] .tech-back:hover{background:#16161a;border-color:#ffffff17;box-shadow:inset 0 1px #ffffff0a}.tech-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;align-items:flex-start;gap:20px;padding:24px 26px;text-decoration:none;transition:transform .2s cubic-bezier(.2,0,.2,1),background .18s,border-color .18s,box-shadow .25s;display:flex;position:relative;box-shadow:0 1px 2px #00000006}@media (min-width:640px){.tech-card{align-items:center}}@media (max-width:640px){.tech-card{border-radius:12px;gap:16px;padding:18px}}.tech-card-body{flex:auto;min-width:0}.tech-card-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.tech-card-title{letter-spacing:-.015em;color:var(--text-primary);margin:0;font-size:1rem;font-weight:600;line-height:1.3}.tech-card-meta{font-family:var(--font-mono);letter-spacing:.04em;color:var(--text-muted);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:.68rem;font-weight:500}.tech-card-desc{color:var(--text-muted);margin:6px 0 0;font-size:.86rem;line-height:1.6}@media (max-width:640px){.tech-card-title{font-size:.95rem}.tech-card-desc{font-size:.82rem}}.tech-card-icon-lg{flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.tech-card-icon-sm{flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}@media (max-width:640px){.tech-card-icon-lg{width:48px;height:48px}.tech-card-icon-sm{width:40px;height:40px}}.tech-card-index{width:32px;font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--text-muted);opacity:.6;text-align:right;flex-shrink:0;font-size:.95rem;font-weight:400;transition:color .25s,opacity .25s,transform .25s}.group:hover .tech-card-index{color:var(--section-color,var(--text-primary));opacity:1}@media (max-width:640px){.tech-card-index{display:none}}.tech-card-leading{flex-shrink:0;align-items:center;gap:18px;display:flex}@media (max-width:640px){.tech-card-leading{gap:0}}.tech-card:hover{background:var(--surface);border-color:var(--border-hover);box-shadow:0 1px 2px #00000008, 0 14px 36px -14px #00000014, 0 0 0 1px var(--card-accent,transparent);transform:translateY(-1px)}[data-theme=dark] .tech-card{background:#16161a;border-color:#ffffff12;box-shadow:inset 0 1px #ffffff0b}[data-theme=dark] .tech-card:hover{box-shadow:inset 0 1px 0 #ffffff12, 0 20px 40px -20px #00000080, 0 0 0 1px var(--card-accent,transparent);background:#1b1b20;border-color:#ffffff24}.tech-card:active{transition-duration:.1s;transform:translateY(0)}.tech-icon{border:1px solid var(--border);border-radius:10px;transition:transform .3s cubic-bezier(.2,0,.2,1),border-color .25s,box-shadow .3s}.group:hover .tech-icon{border-color:var(--border-hover);box-shadow:0 8px 24px -8px var(--section-glow,#00000014);transform:scale(1.05)}[data-theme=dark] .tech-icon{border-color:#ffffff0f;box-shadow:inset 0 1px #ffffff0a}[data-theme=dark] .group:hover .tech-icon{box-shadow:inset 0 1px 0 #ffffff14, 0 10px 28px -8px var(--section-glow-dark,#ffffff0f);border-color:#ffffff24}.tech-icon-hero{border:1px solid var(--border);box-shadow:0 1px 2px #00000008, 0 16px 40px -18px var(--section-glow,#00000014);border-radius:14px}[data-theme=dark] .tech-icon-hero{box-shadow:inset 0 1px 0 #ffffff0f, 0 20px 50px -18px var(--section-glow-dark,#ffffff0d);border-color:#ffffff14}.tech-pill{border:1px solid var(--border);background:0 0;border-radius:5px;transition:background .15s,border-color .15s,color .15s}.group:hover .tech-pill{background:var(--hover-bg);border-color:var(--border-hover);color:var(--text-secondary)}[data-theme=dark] .tech-pill{border-color:#ffffff12}[data-theme=dark] .group:hover .tech-pill{background:#ffffff0a;border-color:#ffffff24}.tech-chip{border:1px solid var(--border);font-variant-numeric:tabular-nums;background:0 0;border-radius:9999px;align-items:center;transition:background .15s,border-color .15s,transform .12s,color .15s;display:inline-flex}a.tech-chip:hover,button.tech-chip:hover{background:var(--hover-bg);border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px)}[data-theme=dark] .tech-chip{border-color:#ffffff14}[data-theme=dark] a.tech-chip:hover,[data-theme=dark] button.tech-chip:hover{background:#ffffff0a;border-color:#ffffff24}.tech-divider{background:linear-gradient(90deg, transparent, var(--border-hover) 20%, var(--border-hover) 80%, transparent);opacity:.5;height:1px}.tech-page ::selection{background:color-mix(in srgb, var(--section-color,var(--text-primary)) 22%, transparent);color:var(--text-primary)}.tech-page :focus-visible{outline:2px solid var(--section-color,var(--text-primary));outline-offset:3px;border-radius:8px}.article-body{min-width:0;max-width:100%}.article-body h2{color:var(--text-primary);letter-spacing:-.032em;margin:72px 0 14px;font-size:1.45rem;font-weight:700;line-height:1.22}.article-body h2:first-child{margin-top:8px}.article-body h3{color:var(--text-muted);letter-spacing:.11em;text-transform:uppercase;font-size:.74rem;font-weight:600;font-family:var(--font-mono);margin:40px 0 10px}.article-body p{color:var(--text-secondary);margin-bottom:18px;font-size:.97rem;line-height:1.78}.article-body p strong{color:var(--text-primary);font-weight:600}.article-body a{color:var(--text-primary);text-decoration:underline;-webkit-text-decoration-color:var(--border-hover);text-decoration-color:var(--border-hover);text-underline-offset:4px;text-decoration-thickness:1px;transition:text-decoration-color .25s,color .25s,text-decoration-thickness .25s}.article-body a:hover{color:var(--section-color,var(--text-primary));-webkit-text-decoration-color:var(--section-color,var(--text-primary));text-decoration-color:var(--section-color,var(--text-primary));text-decoration-thickness:2px}.article-body blockquote{color:var(--text-primary);letter-spacing:-.012em;margin:38px 0;padding:4px 0 4px 26px;font-size:1.2rem;font-style:italic;font-weight:500;line-height:1.55;position:relative}.article-body blockquote:before{content:"";background:var(--section-color,var(--border-hover));opacity:.9;border-radius:2px;width:2px;position:absolute;top:10px;bottom:10px;left:0}.article-body blockquote p{color:inherit;font-size:inherit;line-height:inherit;font-weight:inherit;font-style:inherit;margin:0}.article-body code{font-size:.84em;font-family:var(--font-mono);background:var(--hover-bg);border:1px solid var(--border);color:var(--text-primary);white-space:nowrap;border-radius:5px;padding:1.5px 6px;font-weight:500}[data-theme=dark] .article-body code{background:#ffffff0b;border-color:#ffffff12}.article-body pre{border:1px solid var(--border);background:#fafafa;border-radius:12px;margin:22px 0 26px;padding:18px 20px;font-size:.82rem;line-height:1.75;overflow-x:auto}[data-theme=dark] .article-body pre{background:#0f0f11;border-color:#ffffff12}.article-body pre code{-webkit-backdrop-filter:none;box-shadow:none;background:0 0;border:none;padding:0;font-weight:400}.code-block{min-width:0;max-width:100%;margin:24px 0 28px;position:relative}.code-block>div{min-width:0;max-width:100%}.code-block:before{content:"";background:linear-gradient(90deg, transparent, 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0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:opacity .25s,background .2s,color .2s,transform .15s;display:flex}.group\/code:hover .copy-btn{opacity:1}.copy-btn:hover{color:var(--text-secondary);background:#0000000a}.copy-btn:active{transform:scale(.9)}[data-theme=dark] .copy-btn:hover{background:#ffffff0f}.code-block pre{font-size:.82rem;line-height:1.75;border:1px solid var(--border)!important;background:#fafafa!important;border-top:none!important;border-radius:0 0 12px 12px!important;min-width:0!important;max-width:100%!important;margin:0!important;padding:18px 20px!important;overflow-x:auto!important}[data-theme=dark] .code-block pre{background:#0f0f11!important;border-color:#ffffff12!important}.code-block code{font-family:var(--font-mono);-webkit-backdrop-filter:none!important;font-weight:400!important;font-size:inherit!important;box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}.code-block code span{font-weight:inherit}.code-block .shiki,.code-block .shiki span{color:var(--shiki-light)!important;font-style:var(--shiki-light-font-style,inherit)!important;font-weight:var(--shiki-light-font-weight,inherit)!important}[data-theme=dark] .code-block .shiki,[data-theme=dark] .code-block .shiki span{color:var(--shiki-dark)!important;font-style:var(--shiki-dark-font-style,inherit)!important;font-weight:var(--shiki-dark-font-weight,inherit)!important}.article-body ul,.article-body ol{margin:8px 0 22px 22px;padding-left:4px}.article-body li{color:var(--text-secondary);margin-bottom:8px;font-size:.955rem;line-height:1.8}.article-body li strong{color:var(--text-primary);font-weight:600}.article-body li::marker{color:var(--text-muted)}.article-callout{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin:36px 0;padding:22px 24px;position:relative;box-shadow:0 1px 2px #00000005}.article-callout:before{content:"";background:var(--section-color,var(--border-hover));opacity:.85;border-radius:0 2px 2px 0;width:2px;position:absolute;top:22px;bottom:22px;left:0}.article-callout p{margin-bottom:10px}.article-callout p:last-child{margin-bottom:0}[data-theme=dark] .article-callout{background:#16161a;border-color:#ffffff12;box-shadow:inset 0 1px #ffffff0a}[data-theme=dark] .article-callout:before{opacity:.9}.article-img-wrap{border:1px solid var(--border);border-radius:14px;margin:22px 0 30px;overflow:hidden}.article-img-wrap img{width:100%;display:block}[data-theme=dark] .article-img-light{display:none!important}[data-theme=dark] .article-img-dark{display:block!important}.section-badge{background:var(--surface);border:1px solid var(--border);color:var(--section-color,var(--text-secondary));border-radius:9999px;align-items:center;gap:8px;padding:6px 14px 6px 8px;font-size:.74rem;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s,transform .15s,box-shadow .2s;display:inline-flex;box-shadow:0 1px 2px #00000006}.section-badge:hover{border-color:var(--border-hover);transform:translateY(-1px);box-shadow:0 1px 2px #00000008,0 8px 20px -10px #00000014}.section-badge-icon{justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}[data-theme=dark] .section-badge{background:#16161a;border-color:#ffffff14;box-shadow:inset 0 1px #ffffff0a}[data-theme=dark] .section-badge:hover{background:#1b1b20;border-color:#ffffff26;box-shadow:inset 0 1px #ffffff0f,0 10px 24px -10px #0006}.toc-sidebar{width:210px;position:absolute;top:0;left:calc(100% + 56px)}.toc-sidebar a{position:relative}.scrollbar-none::-webkit-scrollbar{display:none}.chip-row{flex-wrap:nowrap;gap:6px;display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 32px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 32px),#0000)}.chip-wrap{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.stack-grid{grid-template-columns:1fr;gap:14px;display:grid}@media (min-width:768px){.stack-grid{grid-template-columns:repeat(2,1fr);gap:16px}}.stack-card{flex-direction:column;gap:0;align-items:stretch!important;padding:24px 24px 22px!important;display:flex!important}.stack-card-head{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.stack-card-body{flex:1;min-width:0}.stack-card-body .tech-card-title{letter-spacing:-.022em;font-size:1.15rem}.stack-card-body .tech-card-desc{margin-top:8px;font-size:.89rem;line-height:1.6}.stack-card-foot{border-top:1px solid var(--border-subtle);margin-top:18px;padding-top:16px}[data-theme=dark] .stack-card-foot{border-top-color:#ffffff0d}@media (max-width:640px){.stack-card{padding:20px 20px 18px!important}.stack-card-head{margin-bottom:16px}.stack-card-body .tech-card-title{font-size:1.05rem}.stack-card-foot{margin-top:14px;padding-top:12px}}.article-nav{grid-template-columns:1fr 1fr;gap:14px;margin-top:88px;padding-top:32px;display:grid;position:relative}.article-nav:before{content:"";background:linear-gradient(90deg, transparent, var(--border-hover), transparent);opacity:.7;height:1px;position:absolute;top:0;left:25%;right:25%}.article-nav-card{background:var(--surface);border:1px solid var(--border);color:inherit;border-radius:12px;flex-direction:column;gap:6px;min-width:0;padding:18px 20px;text-decoration:none;transition:transform .2s cubic-bezier(.2,0,.2,1),background .18s,border-color .18s,box-shadow .25s;display:flex;box-shadow:0 1px 2px #00000006}.article-nav-card:hover{background:var(--surface);border-color:var(--border-hover);transform:translateY(-1px);box-shadow:0 1px 2px #00000008,0 14px 36px -14px #00000014}.article-nav-card.is-next{text-align:right;align-items:flex-end}.article-nav-label{font-family:var(--font-mono);letter-spacing:.11em;text-transform:uppercase;color:var(--text-muted);align-items:center;gap:6px;font-size:.66rem;font-weight:500;display:inline-flex}.article-nav-title{color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.9rem;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.article-nav-card.is-next .article-nav-label svg{order:2;transition:transform .2s}.article-nav-card.is-prev .article-nav-label svg{transition:transform .2s}.article-nav-card.is-prev:hover .article-nav-label svg{transform:translate(-2px)}.article-nav-card.is-next:hover .article-nav-label svg{transform:translate(2px)}[data-theme=dark] .article-nav-card{background:#16161a;border-color:#ffffff12;box-shadow:inset 0 1px #ffffff0b}[data-theme=dark] .article-nav-card:hover{background:#1b1b20;border-color:#ffffff24;box-shadow:inset 0 1px #ffffff12,0 18px 36px -18px #00000080}@media (pointer:coarse){.copy-btn{opacity:.6}}@media (max-width:768px){.article-nav{margin-top:64px;padding-top:22px}}@media (max-width:640px){.tech-page:before{opacity:.7;width:520px;height:520px;top:-260px;right:-180px}.article-body h2{margin:52px 0 12px;font-size:1.26rem}.article-body h2:first-child{margin-top:4px}.article-body h3{margin:30px 0 8px;font-size:.72rem}.article-body p,.article-body li{font-size:.92rem;line-height:1.72}.article-body pre{border-radius:10px;padding:14px 16px;font-size:.76rem}.code-block pre{font-size:.76rem;border-radius:0 0 10px 10px!important;padding:14px 16px!important}.code-block-header{border-radius:10px 10px 0 0;padding:9px 14px}.code-block-lang{font-size:.62rem}.article-body code{padding:1px 5px;font-size:.78em}.article-callout{padding:18px 20px 18px 22px}.article-callout:before{top:18px;bottom:18px}.article-nav{grid-template-columns:1fr;margin-top:72px;padding-top:28px}.article-nav-card{padding:16px 18px}}