:root{--fs-xs:.694rem;--fs-sm:.833rem;--fs-base:1rem;--fs-md:1.2rem;--fs-lg:1.44rem;--fs-xl:1.728rem;--fs-2xl:2.074rem;--fs-3xl:2.488rem;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--lh-tight:1.2;--lh-snug:1.4;--lh-normal:1.6;--lh-relaxed:1.75;--sidebar-width:264px;--topbar-height:56px;--content-max:1200px;--c-bg:#f7f6fb;--c-surface:#fff;--c-border:#e6e3f0;--c-text:#1f1b2e;--c-text-muted:#6b6580;--c-heading:#2a2342;--c-accent:#6d4aff;--c-accent-2:#14b8a6;--c-accent-soft:#efeaff;--c-accent-tint:#faf8ff;--c-sidebar-bg:#1a1530;--c-sidebar-bg-2:#241a45;--c-sidebar-text:#cdc7e0;--c-sidebar-text-muted:#8a82a8;--c-sidebar-active:#fff;--radius-sm:8px;--radius:12px;--radius-lg:16px;--shadow-sm:0 1px 2px #1a15300f;--shadow:0 4px 16px #1a153014;--font-body:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "Cascadia Code", monospace}.post-article{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-4) var(--space-5)}@media (width>=992px){.post-article{padding:var(--space-5) var(--space-6)}}.post-content{color:var(--c-text);overflow-wrap:break-word;text-align:justify;-webkit-hyphens:auto;hyphens:auto;hyphenate-limit-chars:20 10 10;-webkit-hyphenate-limit-before:10;-webkit-hyphenate-limit-after:10;font-size:1.0625rem;line-height:1.75}.post-content h1,.post-content h2,.post-content h3,.post-content h4{color:var(--c-heading);line-height:var(--lh-snug);margin:var(--space-6) 0 var(--space-3);font-weight:700}.post-content h2{font-size:var(--fs-xl)}.post-content h3{font-size:var(--fs-lg)}.post-content h4{font-size:var(--fs-md)}.post-content>:first-child{margin-top:0}.post-content p{margin:0 0 var(--space-4)}.post-content p+ul,.post-content p+ol{margin-top:calc(-1 * var(--space-3))}.post-content ul,.post-content ol{margin:0 0 var(--space-4);padding-left:var(--space-6)}.post-content li{margin-bottom:var(--space-2)}.post-content a{color:var(--c-accent);text-underline-offset:2px;text-decoration:underline}.post-content blockquote{margin:0 0 var(--space-4);padding:var(--space-3) var(--space-5);border-left:4px solid var(--c-accent);background:var(--c-accent-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--c-heading)}.post-content blockquote p:last-child{margin-bottom:0}.post-content blockquote.quote-en{background:var(--c-bg);border-left:4px solid var(--c-text-muted);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--c-text-muted);font-style:italic;font-size:var(--fs-sm)}.post-content code{font-family:var(--font-mono);background:#f0eef8;border-radius:6px;padding:.15em .4em;font-size:.9em}.post-content pre{background:var(--c-sidebar-bg);color:#e7e3f5;padding:var(--space-4);border-radius:var(--radius);margin:0 0 var(--space-4);overflow-x:auto}.post-content pre code{color:inherit;background:0 0;padding:0}.post-content img{border-radius:var(--radius);max-width:100%;height:auto}.post-figure{margin:0 0 var(--space-4);text-align:center;max-width:560px;margin-left:auto;margin-right:auto}.post-figure figcaption{margin-top:var(--space-2);font-size:var(--fs-sm);color:var(--c-text-muted)}.post-figure--portrait{float:left;width:160px;max-width:35%;margin:0 var(--space-4) var(--space-3) 0}.post-figure--portrait img{width:100%;height:auto}.post-figure--portrait figcaption{margin-top:var(--space-1);font-size:var(--fs-xs)}.post-content blockquote{clear:left}.post-clear{clear:both}@media (width<=600px){.post-figure--portrait{float:none;width:120px;max-width:100%;margin:0 auto var(--space-3)}}.post-figure-group{gap:var(--space-4);margin:0 0 var(--space-4);grid-template-columns:1fr 1fr;align-items:end;display:grid}.post-figure--molecule{text-align:center;max-width:280px;margin:0 auto}.post-figure--molecule img{width:100%;height:auto}.post-figure--framed{padding:var(--space-2);border:1px solid var(--c-border);border-radius:var(--radius)}@media (width<=500px){.post-figure-group{grid-template-columns:1fr}}.post-figure-row{gap:var(--space-4);margin:0 0 var(--space-4);flex-wrap:wrap;display:flex}.post-figure-row .post-figure{flex:1 1 0;min-width:240px;margin:0}.post-content table{border-collapse:collapse;width:100%;margin:0 0 var(--space-4);font-size:var(--fs-sm)}.post-content th,.post-content td{border:1px solid var(--c-border);padding:var(--space-2) var(--space-3);text-align:left}.post-content th{background:var(--c-accent-soft);color:var(--c-heading)}.post-content table:has(thead th:empty){border:1px solid var(--c-border);width:auto;margin:0 0 var(--space-5);border-radius:var(--radius-sm);overflow:hidden}.post-content table:has(thead th:empty) thead{display:none}:is(.post-content table:has(thead th:empty) th,.post-content table:has(thead th:empty) td){border:1px solid var(--c-border);padding:var(--space-2) var(--space-3);vertical-align:top;background:0 0}.post-content table:has(thead th:empty) td:first-child{color:var(--c-text-muted);white-space:nowrap;background:var(--c-bg);width:1%;font-weight:600}.inline_link{font-weight:600}.inline_link--draft{color:var(--c-text-muted);border-bottom:1px dashed var(--c-text-muted);cursor:default;font-weight:600}.post-content a.link-external:after{content:"";vertical-align:super;opacity:.6;margin-left:.2em;font-family:bootstrap-icons;font-size:.7em}.custom-alert{margin:0 0 var(--space-4);padding:var(--space-4) var(--space-5);border-radius:var(--radius);border-left:4px solid}.custom-alert p:last-child{margin-bottom:0}.custom-alert-info{background:#eaf3ff;border-color:#3b82f6}.custom-alert-tip{border-color:var(--c-accent-2);background:#e9fbf4}.custom-alert-warning{background:#fff6e6;border-color:#f59e0b}.custom-alert-error{background:#fdeced;border-color:#ef4444}.post-content .katex{font-size:1.05em}.pdf-download{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);width:fit-content;display:flex}.pdf-download__icon{color:#e53e3e;flex-shrink:0;font-size:2rem;line-height:1}.pdf-download__link{color:var(--c-accent);text-underline-offset:2px;font-weight:600;text-decoration:underline}.post-gallery{gap:var(--space-3);margin:0 0 var(--space-5);grid-template-columns:repeat(auto-fill,minmax(192px,1fr));display:grid}.post-gallery__item{margin:0}.post-gallery__link{border-radius:var(--radius-sm);border:1px solid var(--c-border);aspect-ratio:4/3;cursor:zoom-in;background:var(--c-bg);display:block;overflow:hidden}.post-gallery__link img{object-fit:cover;width:100%;height:100%;transition:transform .2s;display:block}.post-gallery__link:hover img{transform:scale(1.05)}body.lightbox-open{overflow:hidden}.lightbox{z-index:2000;justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-4);background:#000000e0;display:flex;position:fixed;inset:0}.lightbox[hidden]{display:none}.lightbox__figure{align-items:center;gap:var(--space-3);flex-direction:column;max-width:min(92vw,1200px);max-height:90vh;margin:0;display:flex}.lightbox__img{object-fit:contain;border-radius:var(--radius-sm);max-width:100%;max-height:80vh;box-shadow:var(--shadow)}.lightbox__caption{color:#f1f1f1;font-size:var(--fs-sm);text-align:center;max-width:70ch}.lightbox__caption[hidden]{display:none}.lightbox__close,.lightbox__nav{color:#fff;cursor:pointer;background:#ffffff1f;border:0;border-radius:50%;flex-shrink:0;line-height:1;transition:background .15s}.lightbox__close:hover,.lightbox__nav:hover{background:#ffffff47}.lightbox__close{top:var(--space-4);right:var(--space-4);width:44px;height:44px;font-size:28px;position:absolute}.lightbox__nav{width:48px;height:48px;font-size:30px}@media (width<=600px){.lightbox__nav{width:40px;height:40px;font-size:24px}}