@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/assets/archivo-vietnamese-standard-normal-rJmnGBSt.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/assets/archivo-latin-ext-standard-normal-7khWdh9v.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 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24px;margin-top:6px;display:flex}.legend-key{align-items:center;gap:8px;display:inline-flex}.legend-key:before{content:"";background:var(--ink);width:2px;height:14px;opacity:var(--tick-alpha)}.legend-key.is-recent:before{background:var(--accent);opacity:1}.section{padding-top:var(--section-gap)}.section-title{font-size:var(--t-h2);letter-spacing:-.025em;text-wrap:balance;max-width:22ch;font-weight:520;font-stretch:118%;line-height:1.06}.section-lede{max-width:var(--measure);color:var(--ink-2);margin-top:20px;font-size:1.125rem}.story{height:420dvh;margin-top:var(--section-gap);position:relative}.story-pin{z-index:var(--z-pin);flex-direction:column;height:100dvh;padding-block:clamp(28px,7vh,72px) clamp(20px,4vh,40px);display:flex;position:sticky;top:0;overflow:hidden}.story-copy{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-content:start;gap:32px clamp(24px,6vw,96px);display:grid}.story-progress{font-size:var(--t-micro);font-variant-numeric:tabular-nums;grid-column:1/-1;gap:4px;display:flex}.story-progress i{border-top:2px solid var(--hair-strong);min-width:84px;color:var(--ink-3);padding-top:8px;font-style:normal;transition:border-color .4s,color .4s;display:block}.story-progress i.is-on{border-color:var(--ink);color:var(--ink)}.story-progress i.is-current{border-color:var(--accent)}.story-title{font-size:var(--t-h2);letter-spacing:-.025em;text-wrap:balance;font-weight:520;font-stretch:118%;line-height:1.06}.story-body{color:var(--ink-2);max-width:40ch;margin-top:18px;font-size:1.125rem}.story-figure{text-align:right;place-self:end}.figure-value{font-size:var(--t-figure);letter-spacing:-.04em;font-weight:330;font-stretch:125%;line-height:.9;display:block}.figure-label{color:var(--ink-2);margin-top:12px;font-size:1.0625rem;display:block}.figure-label strong{color:var(--ink);font-weight:600}.story .strip{--strip-h:100%;flex:auto;min-height:120px;margin-top:clamp(28px,6vh,64px)}.story .strip canvas{height:100%}.story-swap{transition:opacity .35s ease, transform .5s var(--ease-out)}.story-swap.is-leaving{opacity:0;transform:translateY(8px)}.story-steps{pointer-events:none;position:absolute;inset:0}.story-steps div{width:1px;height:100dvh;position:absolute;left:0}.chart{margin-top:clamp(40px,6vw,72px);position:relative}.chart svg{cursor:crosshair;touch-action:pan-y;width:100%;display:block;overflow:visible}.chart .grid line{stroke:var(--hair);stroke-width:1px;shape-rendering:crispedges}.chart .baseline{stroke:var(--hair-strong);stroke-width:1px;shape-rendering:crispedges}.chart text{fill:var(--ink-3);font-family:var(--font);font-variant-numeric:tabular-nums;font-size:12px}.chart text.label-strong{fill:var(--ink);font-size:14px;font-weight:600}.chart text.label-soft{fill:var(--ink-2);font-size:13px}.chart .line{fill:none;stroke:var(--ink);stroke-width:2px;stroke-linejoin:round;stroke-linecap:round}.chart .dot{fill:var(--ink);stroke:var(--ground);stroke-width:2px}.chart .dot.is-recent{fill:var(--accent)}.chart .bar{fill:var(--ink);opacity:.78;transition:opacity .15s}.chart .bar.is-recent{fill:var(--accent);opacity:1}.chart .bar.is-hot{opacity:1}.chart .crosshair{stroke:var(--ink);stroke-width:1px;shape-rendering:crispedges;opacity:0}.chart.is-hovering .crosshair{opacity:1}.chart-note{font-size:var(--t-small);color:var(--ink-3);max-width:var(--measure);margin-top:16px}.pace-grid{grid-template-columns:minmax(0,1fr) minmax(0,300px);align-items:end;gap:40px clamp(32px,6vw,96px);margin-top:clamp(64px,9vw,120px);display:grid}.pace-figure .figure-value{font-size:clamp(3rem,1.5rem + 4.5vw,5.75rem)}.calendar-layout{grid-template-columns:minmax(0,auto) minmax(0,1fr);align-items:start;gap:48px clamp(40px,8vw,128px);margin-top:clamp(40px,6vw,72px);display:grid}.calendar{grid-template-columns:34px repeat(var(--weeks,14), var(--cell));grid-template-rows:22px repeat(7, var(--cell));--cell:clamp(22px, 3.1vw, 42px);gap:5px;display:grid}.calendar .cal-month{font-size:var(--t-micro);color:var(--ink-3);white-space:nowrap;grid-row:1}.calendar .cal-dow{font-size:var(--t-micro);color:var(--ink-3);grid-column:1;align-self:center}.cal-cell{appearance:none;background:var(--level-bg,transparent);box-shadow:inset 0 0 0 1px var(--hair);cursor:pointer;transition:transform .18s var(--ease-out);border:0;border-radius:3px;margin:0;padding:0}.cal-cell[data-level="0"]{cursor:default}.cal-cell[data-level]:not([data-level="0"]){box-shadow:none}.cal-cell:hover,.cal-cell:focus-visible{transform:scale(1.12)}.cal-cell[data-level="1"]{--level-bg:color-mix(in oklab, var(--accent) var(--lv1,22%), var(--ground))}.cal-cell[data-level="2"]{--level-bg:color-mix(in oklab, var(--accent) var(--lv2,44%), var(--ground))}.cal-cell[data-level="3"]{--level-bg:color-mix(in oklab, var(--accent) var(--lv3,68%), var(--ground))}:root[data-theme=dark] .calendar-layout,:root[data-theme=dark] .cal-legend{--lv1:34%;--lv2:55%;--lv3:76%}@media (prefers-color-scheme:dark){:root:where(:not([data-theme=light])) .calendar-layout{--lv1:34%;--lv2:55%;--lv3:76%}}.cal-cell[data-level="4"]{--level-bg:var(--accent)}.cal-legend{font-size:var(--t-micro);color:var(--ink-3);align-items:center;gap:6px;margin-top:20px;display:flex}.cal-legend .cal-cell{cursor:default;width:14px;height:14px}.cal-legend .cal-cell:hover{transform:none}.cal-legend span+.cal-cell{margin-left:8px}.cal-facts{gap:40px;display:grid}.cal-facts>div{gap:10px;display:grid}.chart .hover-dot{opacity:0;pointer-events:none}.chart.is-hovering .hover-dot{opacity:1}.fact-value{letter-spacing:-.035em;font-size:clamp(2.2rem,1.4rem + 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.axis{grid-column:2;margin-top:-14px}.index-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:24px;display:flex}.controls{grid-template-columns:minmax(220px,1.2fr) auto;align-items:end;gap:20px 32px;margin-top:clamp(32px,5vw,56px);display:grid}.control{gap:8px;display:grid}.control>label,.control>.control-label{font-size:var(--t-micro);color:var(--ink-2);font-weight:560}.search{appearance:none;border:1px solid var(--hair-strong);background:var(--raised);width:100%;height:44px;color:var(--ink);font:inherit;border-radius:999px;padding:0 18px;font-size:.9375rem;transition:border-color .2s}.search::placeholder{color:var(--ink-3)}.search:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent);outline:none}.control-row{flex-wrap:wrap;grid-column:1/-1;align-items:end;gap:16px 28px;display:flex}.seg{border:1px solid var(--hair);background:var(--raised);border-radius:999px;flex-wrap:wrap;gap:4px;padding:3px;display:inline-flex}.seg button{appearance:none;color:var(--ink-2);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;height:32px;padding:0 14px;font-size:.8125rem;font-weight:500;transition:background-color .2s,color .2s}.seg button:hover{color:var(--ink);background:color-mix(in oklab, var(--ink) 6%, transparent)}.seg button[aria-pressed=true]{background:var(--ink);color:var(--ground)}.check{height:40px;color:var(--ink-2);cursor:pointer;align-items:center;gap:10px;font-size:.875rem;display:inline-flex}.check input{width:18px;height:18px;accent-color:var(--accent);margin:0}.results-bar{font-size:var(--t-small);color:var(--ink-2);justify-content:space-between;align-items:baseline;gap:16px;margin-top:36px;display:flex}.results-bar strong{color:var(--ink);font-weight:600}.link-button{appearance:none;font:inherit;color:var(--ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--hair-strong);text-decoration-color:var(--hair-strong);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;padding:0}.link-button:hover{color:var(--ink);text-decoration-color:currentColor}.index-strip{--strip-h:88px;cursor:crosshair;margin-top:18px}.index-hint{font-size:var(--t-micro);color:var(--ink-3);margin-top:-2px}.index-list{margin-top:40px}.year-group{content-visibility:auto;contain-intrinsic-size:auto 800px;border-top:1px solid var(--hair);grid-template-columns:minmax(96px,180px) minmax(0,1fr);gap:0 clamp(20px,4vw,56px);padding-top:28px;padding-bottom:28px;display:grid}.year-label{letter-spacing:-.035em;align-self:start;font-size:clamp(1.75rem,1.2rem + 1.6vw,2.75rem);font-weight:340;font-stretch:125%;line-height:1;position:sticky;top:16px}.year-label small{font-size:var(--t-small);letter-spacing:0;color:var(--ink-3);margin-top:10px;font-weight:400;font-stretch:100%;display:block}.rows{padding:0;list-style:none}.row{border-radius:6px;grid-template-columns:76px minmax(0,1.25fr) minmax(0,1.6fr);gap:4px 24px;margin-inline:-12px;padding:10px 12px;transition:background-color .15s;display:grid}.row:hover{background:color-mix(in oklab, var(--ink) 4.5%, transparent)}.row-date{font-size:var(--t-small);color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:2px}.row.is-recent .row-date{color:var(--accent);font-weight:560}.row-name{font-size:1rem;font-weight:580;text-decoration:none}a.row-name:hover{text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.row-meta{font-size:var(--t-small);color:var(--ink-2);display:block}.row-note{font-size:var(--t-small);color:var(--ink-2);padding-top:2px}.row-tags{color:var(--ink-3);font-size:var(--t-micro);margin-top:2px;display:block}.row-tags span+span{margin-left:14px}.empty{color:var(--ink-2);padding:64px 0}.empty strong{color:var(--ink);margin-bottom:8px;font-size:1.25rem;font-weight:560;font-stretch:112%;display:block}.method{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px clamp(40px,8vw,128px);display:grid}.method-body{color:var(--ink-2);max-width:var(--measure);gap:18px;display:grid}.method-body strong{color:var(--ink);font-weight:600}.footer{margin-top:var(--section-gap);border-top:1px solid var(--hair);font-size:var(--t-small);color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;gap:16px 32px;padding-block:32px 48px;display:flex}.tooltip{z-index:var(--z-tooltip);background:var(--raised);max-width:320px;color:var(--ink);box-shadow:var(--shadow), inset 0 0 0 1px var(--hair);font-size:var(--t-small);pointer-events:none;opacity:0;border-radius:8px;padding:12px 14px;line-height:1.4;transition:opacity .12s;position:fixed;top:0;left:0;transform:translateY(4px)}.tooltip.is-visible{opacity:1}.tooltip 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