/*! tailwindcss v4.2.4 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-space-y-reverse:0;--tw-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:"JetBrains Mono", "SFMono-Regular", Menlo, monospace;--color-white:#fff;--spacing:.25rem;--container-xs:20rem;--container-xl:36rem;--container-2xl:42rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-base:1rem;--text-base--line-height:calc(1.5 / 1);--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--text-3xl:1.875rem;--text-3xl--line-height:calc(2.25 / 1.875);--text-4xl:2.25rem;--text-4xl--line-height:calc(2.5 / 2.25);--text-5xl:3rem;--text-5xl--line-height:1;--font-weight-semibold:600;--font-weight-bold:700;--tracking-wide:.025em;--tracking-widest:.1em;--leading-snug:1.375;--leading-relaxed:1.625;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-cream:#faf6ee;--color-ink:#1a1a1a;--color-ink-soft:#3a3a3a;--color-ink-muted:#6b6b6b;--color-coral:#d9534f;--color-paper:#f3ede0;--font-serif-cn:"Noto Serif SC", "STSong", "SimSun", serif;--font-serif-en:"Cormorant Garamond", "EB Garamond", Georgia, serif}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.static{position:static}.start{inset-inline-start:var(--spacing)}.mx-auto{margin-inline:auto}.my-8{margin-block:calc(var(--spacing) * 8)}.my-10{margin-block:calc(var(--spacing) * 10)}.my-12{margin-block:calc(var(--spacing) * 12)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-12{margin-top:calc(var(--spacing) * 12)}.mt-20{margin-top:calc(var(--spacing) * 20)}.mt-24{margin-top:calc(var(--spacing) * 24)}.mt-auto{margin-top:auto}.mb-1{margin-bottom:calc(var(--spacing) * 1)}.mb-2{margin-bottom:calc(var(--spacing) * 2)}.mb-3{margin-bottom:calc(var(--spacing) * 3)}.mb-6{margin-bottom:calc(var(--spacing) * 6)}.mb-8{margin-bottom:calc(var(--spacing) * 8)}.mb-10{margin-bottom:calc(var(--spacing) * 10)}.ml-1{margin-left:calc(var(--spacing) * 1)}.ml-2{margin-left:calc(var(--spacing) * 2)}.block{display:block}.flex{display:flex}.grid{display:grid}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.min-h-screen{min-height:100vh}.max-w-2xl{max-width:var(--container-2xl)}.max-w-\[920px\]{max-width:920px}.max-w-xl{max-width:var(--container-xl)}.max-w-xs{max-width:var(--container-xs)}.flex-1{flex:1}.cursor-default{cursor:default}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-baseline{align-items:baseline}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:calc(var(--spacing) * 1)}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-8{gap:calc(var(--spacing) * 8)}:where(.space-y-8>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 8) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 8) * calc(1 - var(--tw-space-y-reverse)))}.gap-x-5{column-gap:calc(var(--spacing) * 5)}.gap-y-1{row-gap:calc(var(--spacing) * 1)}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-\[var\(--color-ink\)\]{border-color:var(--color-ink)}.p-6{padding:calc(var(--spacing) * 6)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-6{padding-inline:calc(var(--spacing) * 6)}.py-1\.5{padding-block:calc(var(--spacing) * 1.5)}.py-5{padding-block:calc(var(--spacing) * 5)}.py-8{padding-block:calc(var(--spacing) * 8)}.py-20{padding-block:calc(var(--spacing) * 20)}.pt-2{padding-top:calc(var(--spacing) * 2)}.pt-16{padding-top:calc(var(--spacing) * 16)}.pb-24{padding-bottom:calc(var(--spacing) * 24)}.text-center{text-align:center}.font-mono{font-family:var(--font-mono)}.font-serif-cn{font-family:var(--font-serif-cn)}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.text-\[clamp\(2rem\,5vw\,3\.5rem\)\]{font-size:clamp(2rem,5vw,3.5rem)}.text-\[clamp\(4\.5rem\,12vw\,8rem\)\]{font-size:clamp(4.5rem,12vw,8rem)}.text-\[clamp\(4rem\,12vw\,7rem\)\]{font-size:clamp(4rem,12vw,7rem)}.leading-none{--tw-leading:1;line-height:1}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.leading-snug{--tw-leading:var(--leading-snug);line-height:var(--leading-snug)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-\[0\.2em\]{--tw-tracking:.2em;letter-spacing:.2em}.tracking-wide{--tw-tracking:var(--tracking-wide);letter-spacing:var(--tracking-wide)}.tracking-widest{--tw-tracking:var(--tracking-widest);letter-spacing:var(--tracking-widest)}.text-\[var\(--color-ink\)\]{color:var(--color-ink)}.text-\[var\(--color-ink-muted\)\]{color:var(--color-ink-muted)}.text-\[var\(--color-ink-soft\)\]{color:var(--color-ink-soft)}.uppercase{text-transform:uppercase}.italic{font-style:italic}.not-italic{font-style:normal}.no-underline{text-decoration-line:none}.underline{text-decoration-line:underline}.opacity-60{opacity:.6}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}@media (hover:hover){.hover\:text-\[var\(--color-coral\)\]:hover{color:var(--color-coral)}}.focus\:not-sr-only:focus{clip-path:none;white-space:normal;width:auto;height:auto;margin:0;padding:0;position:static;overflow:visible}.focus\:fixed:focus{position:fixed}.focus\:top-2:focus{top:calc(var(--spacing) * 2)}.focus\:left-2:focus{left:calc(var(--spacing) * 2)}.focus\:z-\[9999\]:focus{z-index:9999}.focus\:bg-coral:focus{background-color:var(--color-coral)}.focus\:px-4:focus{padding-inline:calc(var(--spacing) * 4)}.focus\:py-2:focus{padding-block:calc(var(--spacing) * 2)}.focus\:text-white:focus{color:var(--color-white)}@media (min-width:48rem){.md\:my-16{margin-block:calc(var(--spacing) * 16)}.md\:mt-28{margin-top:calc(var(--spacing) * 28)}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:pt-24{padding-top:calc(var(--spacing) * 24)}.md\:pb-32{padding-bottom:calc(var(--spacing) * 32)}.md\:text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.md\:text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.md\:text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.md\:text-5xl{font-size:var(--text-5xl);line-height:var(--tw-leading,var(--text-5xl--line-height))}.md\:text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}}}:root{--bg:var(--color-cream);--ink:var(--color-ink);--accent:var(--color-coral)}html{scroll-behavior:smooth;background:var(--bg);color:var(--ink)}body{background:var(--bg);color:var(--ink);font-family:var(--font-serif-cn);font-feature-settings:"kern", "liga", "onum";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility}html[lang=en] body{font-family:var(--font-serif-en)}.font-serif-cn{font-family:var(--font-serif-cn)}.font-en,.en-only{font-family:var(--font-serif-en)}.font-mono,code,kbd,samp{font-family:var(--font-mono)}body:before{content:"";pointer-events:none;z-index:0;opacity:.5;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.10  0 0 0 0 0.10  0 0 0 0.04 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");position:fixed;inset:0}main,header,footer{z-index:1;position:relative}.hand-arrow{filter:url(#wobble)}.lang-toggle{font-family:var(--font-mono);letter-spacing:.08em;border:1.5px solid var(--ink);color:var(--ink);background:0 0;min-width:44px;min-height:36px;transition:background .12s,color .12s,transform 80ms}.lang-toggle:hover{background:var(--ink);color:var(--color-cream)}.lang-toggle:active{transform:translateY(1px)}.card{background:var(--color-paper);border:1.5px solid var(--ink);box-shadow:6px 6px 0 0 var(--ink);border-radius:0;transition:transform .12s,box-shadow .12s}.card:hover{box-shadow:8px 8px 0 0 var(--ink);transform:translate(-2px,-2px)}.card.is-done{background:#eecec3}@supports (color:color-mix(in lab, red, red)){.card.is-done{background:color-mix(in srgb, var(--color-paper) 80%, var(--color-coral) 20%)}}.btn-ink{font-family:var(--font-mono);letter-spacing:.04em;background:var(--ink);color:var(--color-cream);border:1.5px solid var(--ink);align-items:center;min-height:44px;padding:.75rem 1.125rem;font-weight:600;transition:background .12s,color .12s,transform 80ms;display:inline-flex}.btn-ink:hover{background:var(--color-coral);border-color:var(--color-coral)}.btn-ink:active{transform:translateY(1px)}.btn-ghost{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink);border:1.5px solid var(--ink);background:0 0;align-items:center;min-height:44px;padding:.75rem 1.125rem;font-weight:600;transition:background .12s,color .12s,transform 80ms;display:inline-flex}.btn-ghost:hover{background:var(--ink);color:var(--color-cream)}.btn-ghost:active{transform:translateY(1px)}.btn-ghost.is-done{background:var(--color-coral);color:var(--color-cream);border-color:var(--color-coral)}.btn-ghost.is-done:hover{background:#b84743}@supports (color:color-mix(in lab, red, red)){.btn-ghost.is-done:hover{background:color-mix(in srgb, var(--color-coral) 85%, black)}}.badge-soon{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;background:var(--ink);color:var(--color-cream);padding:.2rem .55rem;font-size:.7rem;display:inline-block}.diff-dot{border:1.5px solid var(--ink);border-radius:9999px;width:.55rem;height:.55rem;margin-right:.2rem;display:inline-block}.diff-dot.is-on{background:var(--ink)}.stage-label{font-family:var(--font-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--color-ink-muted);font-size:.78rem}.hero-cn{font-family:var(--font-serif-cn);letter-spacing:.04em;font-weight:700;line-height:1}.hero-en{font-family:var(--font-serif-en);letter-spacing:.01em;font-style:italic;font-weight:400;line-height:1.05}.rule{border:0;border-top:1.5px solid var(--ink);height:0}.thumb-frame{aspect-ratio:16/9;background:var(--color-cream);border-bottom:1.5px solid var(--ink);isolation:isolate;position:relative;overflow:hidden}.thumb-frame .thumb-placeholder{z-index:0;font-family:var(--font-mono);color:var(--color-ink-muted);background:repeating-linear-gradient(45deg, var(--color-cream), var(--color-cream) 8px, var(--color-paper) 8px, var(--color-paper) 16px);justify-content:center;align-items:center;font-size:.85rem;display:flex;position:absolute;inset:0}.thumb-frame img{z-index:1;object-fit:cover;width:100%;height:100%;display:block;position:relative}[data-i18n]{transition:opacity .1s}:focus-visible{outline:2px solid var(--color-coral);outline-offset:2px}button:focus:not(:focus-visible),a:focus:not(:focus-visible){outline:none}@media (max-width:640px){.hero-cn{font-size:clamp(3.5rem,14vw,5rem)}.hero-en{font-size:clamp(1.75rem,6vw,2.5rem)}}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}