.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:99;background:transparent;pointer-events:none}.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal-500),var(--teal-300))}.art-meta{display:flex;align-items:center;gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}.art-av{flex:0 0 auto;width:48px;height:48px;border-radius:50%;overflow:hidden;background:var(--teal-100);color:var(--teal-700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;letter-spacing:-.01em}.art-av img{width:100%;height:100%;object-fit:cover;display:block}.art-by{font-size:15.5px;color:var(--ink-2)}.art-by a{font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}.art-by a:hover{border-bottom-color:var(--teal-500);color:var(--teal-700)}.art-role{display:block;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;color:var(--teal-700);margin-top:2px}.art-dates{margin-top:6px;font-family:var(--font-mono);font-size:12px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}.art-dates .sep{color:var(--line)}.toc-box{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:16px 20px}.toc-head{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-500);cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}.toc-head::-webkit-details-marker{display:none}.toc-head:after{content:"";width:7px;height:7px;margin-left:auto;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease)}.toc-box[open] .toc-head:after{transform:rotate(-135deg) translateY(-2px)}.toc-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:2px;counter-reset:toc}.toc-list a{display:block;padding:7px 10px;margin-left:-10px;border-radius:8px;font-size:14.5px;line-height:1.35;color:var(--ink-3);border-left:2px solid transparent;transition:color .2s,background .2s,border-color .2s}.toc-list a:hover{color:var(--teal-700);background:var(--teal-100)}.toc-list a.on{color:var(--teal-700);font-weight:600;border-left-color:var(--teal-500);background:var(--teal-100)}.toc{margin:24px 0 8px}@media (min-width: 1700px){.toc{position:fixed;top:50%;transform:translateY(-50%);left:max(24px,calc((100vw - var(--maxw)) / 2 - 240px));width:216px;margin:0;z-index:40}.toc-box{background:transparent;border:0;padding:0;box-shadow:none}.toc-head{cursor:default}.toc-head:after{display:none}.toc-list{max-height:62vh;overflow-y:auto}@media (max-height: 620px){.toc{display:none}}}.keystats{background:var(--teal-900);color:#fff;border-radius:20px;padding:32px;margin:8px 0;position:relative;overflow:hidden}.keystats:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;top:-240px;right:-140px;pointer-events:none;background:radial-gradient(circle,rgba(93,203,209,.2),transparent 62%)}.ks-head{position:relative;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-200);margin-bottom:24px}.ks-grid{position:relative;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:32px}.ks-item{margin:0}.ks-value{font-family:var(--font-serif);font-style:italic;font-weight:400;font-size:clamp(40px,5vw,56px);line-height:1;color:var(--teal-300)}.ks-label{margin:12px 0 0;font-size:15px;line-height:1.5;color:#ffffffd1}.ks-src{display:block;margin-top:8px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:#ffffff73}.art-related{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.art-rel-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:32px;text-decoration:none;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}.art-rel-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px #0b3a4817;border-color:var(--teal-300)}.art-rel-kicker{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-500);margin-bottom:10px}.art-rel-card h3{font-size:18px;font-weight:700;letter-spacing:-.02em;margin:0 0 8px;color:var(--ink)}.art-rel-card p{margin:0 0 16px;font-size:14.5px;line-height:1.5;color:var(--ink-3)}.art-rel-go{margin-top:auto;font-size:14.5px;font-weight:600;color:var(--teal-700)}.art-rel-card:hover .art-rel-go .arrow{transform:translate(4px)}.art-rel-go .arrow{display:inline-block;transition:transform .3s var(--ease)}[id^=sect-]{scroll-margin-top:calc(var(--nav-h) + 16px)}@media (max-width: 768px){.keystats{padding:24px}.ks-grid{gap:24px}.art-meta{gap:12px}}.pt-body{max-width:68ch}.pt-figure{margin:32px 0}.pt-figure img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line);background:var(--paper)}.pt-figcaption{margin-top:8px;font-size:14.5px;line-height:1.5;color:var(--ink-3)}.pt-body .pt-p{font-size:17.5px;line-height:1.7;color:var(--ink-2);margin:0 0 24px}.pt-body .pt-h2{font-size:clamp(26px,3.1vw,36px);font-weight:800;letter-spacing:-.035em;line-height:1.1;color:var(--ink);margin:56px 0 16px}.pt-body .pt-h2:first-child{margin-top:0}.pt-body .pt-h3{font-size:21px;font-weight:700;letter-spacing:-.02em;color:var(--ink);margin:40px 0 12px}.pt-body .pt-h4{font-size:17.5px;font-weight:700;color:var(--ink);margin:32px 0 8px}.pt-body .pt-ul,.pt-body .pt-ol{margin:0 0 24px;padding-left:22px}.pt-body .pt-ul li,.pt-body .pt-ol li{font-size:17.5px;line-height:1.65;color:var(--ink-2);margin-bottom:10px}.pt-body .pt-ul{list-style:none;padding-left:0}.pt-body .pt-ul li{position:relative;padding-left:22px}.pt-body .pt-ul li:before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--teal-300)}.pt-body .pt-a{color:var(--teal-700);border-bottom:1px solid var(--teal-300)}.pt-body .pt-a:hover{background:var(--teal-100)}.pt-body .pt-quote{margin:32px 0;padding:4px 0 4px 24px;border-left:3px solid var(--teal-300);font-family:var(--font-serif);font-style:italic;font-size:22px;line-height:1.45;color:var(--teal-700)}.pt-body .pt-code{font-family:var(--font-mono);font-size:14.5px;background:var(--bone);border-radius:6px;padding:2px 6px}.pt-body .pt-mermaid{font-family:var(--font-mono);font-size:13px;line-height:1.5;background:var(--bone);border:1px solid var(--line);border-radius:14px;padding:20px;overflow-x:auto;margin:32px 0}.pt-body [id^=sect-]{scroll-margin-top:calc(var(--nav-h) + 16px)}