:root{--color-bg:#f7f7f3;--color-bg-glow:#edf1ee;--color-surface:#fcfcf9;--color-surface-soft:#efefe9;--color-primary:#315e68;--color-primary-hover:#244a53;--color-primary-soft:#315e681a;--color-text:#171816;--color-text-secondary:#4f524d;--color-text-muted:#7a7e77;--color-border:#d9dbd4;--color-border-strong:#b8bcb3;--color-success:#496b54;--color-success-soft:#496b541a;--color-warning:#8d671f;--color-warning-soft:#8d671f1a;--color-error:#a84942;--color-error-soft:#a8494217;--highlight-blue:#d7e6e9;--highlight-yellow:#f2e7ba;--highlight-green:#d8e8d8;--highlight-purple:#e4ddec;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans SC", "Helvetica Neue", sans-serif;--font-serif:"Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;--font-mono:"SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-md:1.125rem;--text-lg:1.375rem;--text-xl:clamp(1.75rem, 2.4vw, 2.125rem);--text-2xl:clamp(2rem, 3.5vw, 3rem);--text-3xl:clamp(2.5rem, 5vw, 4.25rem);--text-hero:clamp(2.75rem, 6vw, 5rem);--leading-tight:1.14;--leading-snug:1.45;--leading-body:1.85;--radius-sm:3px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-editorial-cover:14px;--radius-pill:999px;--shadow-sm:0 8px 24px #17181609;--shadow-md:0 18px 48px #17181614;--shadow-lg:0 28px 80px #17181624;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--content-max:1280px;--wide-max:960px;--title-max:1040px;--article-max:780px;--header-height:72px;--mobile-nav-height:64px;--ease-out:cubic-bezier(.22, 1, .36, 1);--duration-fast:.15s;--duration:.22s;--duration-slow:.38s;--glass-bg:#f7f7f3f5;--glass-border:#d9dbd4f0}.article-page{padding-block:var(--space-6) var(--space-24)}.article-header{max-width:940px;padding:var(--space-4) 0 var(--space-16);border-bottom:1px solid var(--color-text);margin-inline:auto}.breadcrumb{margin-bottom:var(--space-10);color:var(--color-text-muted);font-size:var(--text-xs);flex-wrap:wrap;gap:.35rem;display:flex}.breadcrumb a:hover{color:var(--color-text);text-decoration:underline}.article-kicker{margin-bottom:var(--space-6);color:var(--color-primary);font-size:var(--text-sm);letter-spacing:.035em;flex-wrap:wrap;align-items:center;gap:.65rem;font-weight:650;display:flex}.article-kicker img,.article-kicker .cover-fallback{object-fit:cover;width:36px;height:36px}.article-kicker .cover-fallback{background:var(--color-surface-soft);font-family:var(--font-serif);place-items:center;display:grid}.article-kicker__topic{border-left:1px solid var(--color-border-strong);color:var(--color-text-muted);padding-left:.65rem;font-weight:500}.article-title{max-width:100%;font-family:var(--font-serif);letter-spacing:-.035em;text-wrap:balance;margin:0;font-size:clamp(2.75rem,5vw,4.5rem);font-weight:500;line-height:1.16}.article-dek{max-width:760px;margin:var(--space-8) 0 0;color:var(--color-text-secondary);font-family:var(--font-serif);font-size:clamp(1.3rem,2.1vw,1.7rem);line-height:1.68}.article-byline{justify-content:space-between;align-items:center;gap:var(--space-4) var(--space-8);margin-top:var(--space-8);padding-top:var(--space-4);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}.article-actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.article-reading-layout{grid-template-columns:minmax(0, var(--article-max));justify-content:center;gap:var(--space-8);padding-top:var(--space-12);display:grid}.article-main{width:100%;min-width:0}.article-body{font-family:var(--font-serif);overflow-wrap:anywhere;font-size:clamp(1.1875rem,.25vw + 1.1rem,1.25rem);line-height:1.82}.article-body h2{border-top:1px solid var(--color-border-strong);font-family:var(--font-serif);font-size:var(--text-xl);letter-spacing:-.025em;scroll-margin-top:calc(var(--header-height) + 1rem);margin:5rem 0 1.25rem;padding-top:1.1rem;font-weight:560;line-height:1.35}.article-body h2:first-child{margin-top:0}.article-body h3{font-family:var(--font-sans);letter-spacing:-.015em;scroll-margin-top:calc(var(--header-height) + 1rem);margin:3rem 0 .9rem;font-size:clamp(1.25rem,2vw,1.5rem);font-weight:620;line-height:1.45}.article-body p{margin:0 0 1.2em}.article-body a{color:var(--color-primary);text-decoration:underline 1px}.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em}.article-body li{margin-bottom:.45em;padding-left:.15em}.article-body blockquote{border-block:1px solid var(--color-text);width:min(820px,100vw - 2rem);margin:3.5rem 50%;padding:1.5rem 0;font-size:clamp(1.65rem,3vw,2.25rem);line-height:1.5;transform:translate(-50%)}.article-body blockquote p:last-child{margin-bottom:0}.article-body img{width:100%;margin:2.5rem 0 .6rem}.article-body hr{border:0;border-top:1px solid var(--color-border-strong);width:4rem;margin:4rem auto}.article-body .time-label{color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.02em;margin:0 0 .4rem;display:inline-block}.article-body .topic-summary{color:var(--color-text-secondary);font-family:var(--font-sans);font-size:var(--text-sm);margin:0 0 1.75rem;line-height:1.7}.source-note{margin-top:var(--space-20);padding:var(--space-6) 0;border-block:1px solid var(--color-border);color:var(--color-text-secondary);font-size:var(--text-sm)}.source-note p{margin:0 0 .5rem}.source-note p:last-child{margin-bottom:0}.source-note a{text-decoration:underline}.related-block{margin-top:var(--space-16)}.related-heading{margin-bottom:var(--space-5);padding-top:var(--space-3);border-top:1px solid var(--color-text)}.related-heading span{color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;display:block}.related-heading h2{font-family:var(--font-serif);font-size:var(--text-lg);margin:.3rem 0 0;font-weight:500}.related-nav,.related-list{display:grid}.related-link{padding:var(--space-5) 0;border-top:1px solid var(--color-border);font-family:var(--font-serif);font-size:1.08rem;line-height:1.55;display:block}.related-link:last-child{border-bottom:1px solid var(--color-border)}.related-link span{color:var(--color-text-muted);font-family:var(--font-sans);font-size:var(--text-xs);margin-bottom:.4rem;display:block}@media (width>=640px){.related-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.related-nav .related-link:first-child{padding-right:var(--space-5)}.related-nav .related-link:last-child{padding-left:var(--space-5);border-left:1px solid var(--color-border)}}.annotation-panel{padding:var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-top:0}.annotation-panel h2{margin:0 0 var(--space-3);color:var(--color-text-secondary);font-size:var(--text-sm)}.annotation-list{gap:var(--space-3);display:grid}.annotation-item{padding:var(--space-3);background:var(--color-surface-soft);border-left:2px solid var(--color-primary)}.annotation-item[data-color=blue]{border-left-color:#6f9ba4}.annotation-item[data-color=yellow]{border-left-color:#a98c35}.annotation-item[data-color=green]{border-left-color:#6d9674}.annotation-item[data-color=purple]{border-left-color:#8c789f}.annotation-item blockquote{font-size:var(--text-sm);margin:0 0 .5rem}.annotation-item p{color:var(--color-text-secondary);font-size:var(--text-xs);margin:0}.annotation-empty{color:var(--color-text-muted);font-size:var(--text-sm);margin:0}.highlight-toolbar{z-index:80;border:1px solid var(--color-border-strong);border-radius:var(--radius-pill);background:var(--color-surface);max-width:calc(100vw - 1rem);box-shadow:var(--shadow-md);opacity:0;transition:opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);gap:.35rem;padding:.4rem;display:none;position:absolute;transform:translate(-50%,-120%)scale(.96)}.highlight-toolbar.is-visible{opacity:1;display:flex;transform:translate(-50%,-120%)scale(1)}.highlight-toolbar button{border:1px solid #0000;border-radius:50%;width:36px;height:36px}.highlight-toolbar .swatch-blue{background:var(--highlight-blue)}.highlight-toolbar .swatch-yellow{background:var(--highlight-yellow)}.highlight-toolbar .swatch-green{background:var(--highlight-green)}.highlight-toolbar .swatch-purple{background:var(--highlight-purple)}.highlight-toolbar .swatch-note,.highlight-toolbar .swatch-delete{background:var(--color-surface);border-color:var(--color-border);font-size:.85rem}mark[data-annotation]{box-decoration-break:clone;border-radius:.1em;padding:.05em 0}mark[data-color=blue]{background:var(--highlight-blue)}mark[data-color=yellow]{background:var(--highlight-yellow)}mark[data-color=green]{background:var(--highlight-green)}mark[data-color=purple]{background:var(--highlight-purple)}.drawer-backdrop{z-index:70;opacity:0;pointer-events:none;transition:opacity var(--duration) var(--ease-out);background:#17181661;position:fixed;inset:0}.drawer-backdrop.is-open{opacity:1;pointer-events:auto}.drawer{z-index:71;max-height:75vh;padding:var(--space-4) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom,0px));border-radius:var(--radius-xl) var(--radius-xl) 0 0;background:var(--color-surface);box-shadow:var(--shadow-lg);transition:transform var(--duration) var(--ease-out);position:fixed;bottom:0;left:0;right:0;overflow:auto;transform:translateY(110%)}.drawer.is-open{transform:translateY(0)}.drawer-handle{width:42px;height:3px;margin:0 auto var(--space-4);background:var(--color-border-strong)}.annotation-fab{right:1rem;bottom:calc(var(--mobile-nav-height) + 1rem + env(safe-area-inset-bottom,0px));z-index:40;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-surface);min-width:44px;min-height:44px;box-shadow:var(--shadow-sm);font-size:var(--text-sm);padding:.7rem .9rem;font-weight:560;position:fixed}@media (width>=640px){.annotation-fab{display:none}}@media (width>=1280px){.drawer{top:var(--header-height);width:min(380px,92vw);max-height:none;padding:var(--space-6);border-radius:0;bottom:0;left:auto;right:0;transform:translate(110%)}.drawer.is-open{transform:translate(0)}.drawer-handle,.annotation-fab{display:none}}@media (width<=639px){.article-page{padding-top:var(--space-3)}.article-header{padding-bottom:var(--space-10)}.breadcrumb{margin-bottom:var(--space-8)}.article-title{font-size:clamp(2.5rem,10.8vw,2.875rem);line-height:1.18}.article-dek{margin-top:var(--space-6);font-size:1.25rem}.article-byline{align-items:flex-start}.article-reading-layout{padding-top:var(--space-8)}.article-body{font-size:1.1875rem;line-height:1.78}.article-body h2{margin-top:4rem}.article-body blockquote{width:100%;margin-inline:0;font-size:1.55rem;transform:none}}.article-tags[data-astro-cid-sgg5joot]{margin-top:var(--space-5);flex-wrap:wrap;gap:.55rem;display:flex}.annotation-fab-inline[data-astro-cid-sgg5joot]{display:none}@media (width>=640px){.annotation-fab-inline[data-astro-cid-sgg5joot]{display:inline-flex}}