*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:var(--font-body);font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.container{width:100%}@media(min-width:640px){.container{max-width:640px}}@media(min-width:768px){.container{max-width:768px}}@media(min-width:1024px){.container{max-width:1024px}}@media(min-width:1280px){.container{max-width:1280px}}@media(min-width:1536px){.container{max-width:1536px}}.visible{visibility:visible}.invisible{visibility:hidden}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.right-0{right:0}.top-0{top:0}.top-full{top:100%}.z-\[1000\]{z-index:1000}.z-\[1001\]{z-index:1001}.z-\[1002\]{z-index:1002}.order-1{order:1}.order-2{order:2}.m-0{margin:0}.mx-auto{margin-left:auto;margin-right:auto}.mb-10{margin-bottom:2.5rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-5{margin-bottom:1.25rem}.mb-7{margin-bottom:1.75rem}.ml-auto{margin-left:auto}.mt-1{margin-top:.25rem}.mt-14{margin-top:3.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-5{margin-top:1.25rem}.mt-auto{margin-top:auto}.line-clamp-1{overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1}.line-clamp-2{overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}.block{display:block}.inline-block{display:inline-block}.inline{display:inline}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.contents{display:contents}.hidden{display:none}.aspect-video{aspect-ratio:16 / 9}.h-10{height:2.5rem}.h-11{height:2.75rem}.h-2{height:.5rem}.h-3{height:.75rem}.h-3\.5{height:.875rem}.h-4{height:1rem}.h-5{height:1.25rem}.h-\[18px\]{height:18px}.h-full{height:100%}.h-header{height:var(--header-height)}.h-px{height:1px}.min-h-\[44px\]{min-height:44px}.w-10{width:2.5rem}.w-11{width:2.75rem}.w-2{width:.5rem}.w-3{width:.75rem}.w-3\.5{width:.875rem}.w-4{width:1rem}.w-5{width:1.25rem}.w-8{width:2rem}.w-\[18px\]{width:18px}.w-full{width:100%}.min-w-0{min-width:0px}.min-w-\[140px\]{min-width:140px}.min-w-max{min-width:-moz-max-content;min-width:max-content}.max-w-2xl{max-width:42rem}.max-w-\[280px\]{max-width:280px}.max-w-\[580px\]{max-width:580px}.max-w-layout{max-width:1200px}.max-w-lg{max-width:32rem}.max-w-md{max-width:28rem}.max-w-wide{max-width:1080px}.max-w-xl{max-width:36rem}.flex-1{flex:1 1 0%}.flex-shrink{flex-shrink:1}.flex-shrink-0{flex-shrink:0}.shrink{flex-shrink:1}.shrink-0{flex-shrink:0}.grow{flex-grow:1}.border-collapse{border-collapse:collapse}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.cursor-pointer{cursor:pointer}.resize{resize:both}.list-none{list-style-type:none}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-start{align-items:flex-start}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-1\.5{gap:.375rem}.gap-10{gap:2.5rem}.gap-2{gap:.5rem}.gap-2\.5{gap:.625rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-5{gap:1.25rem}.gap-8{gap:2rem}.gap-x-4{-moz-column-gap:1rem;column-gap:1rem}.gap-y-8{row-gap:2rem}.space-y-2>:not([hidden])~:not([hidden]){--tw-space-y-reverse: 0;margin-top:calc(.5rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(.5rem * var(--tw-space-y-reverse))}.overflow-hidden{overflow:hidden}.overflow-x-auto{overflow-x:auto}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.whitespace-nowrap{white-space:nowrap}.text-wrap{text-wrap:wrap}.rounded{border-radius:.25rem}.rounded-full{border-radius:9999px}.rounded-md{border-radius:8px}.rounded-none{border-radius:0}.rounded-sm{border-radius:4px}.border{border-width:1px}.border-y{border-top-width:1px;border-bottom-width:1px}.border-t{border-top-width:1px}.border-border-light{border-color:var(--line)}.bg-accent{background-color:var(--accent)}.bg-card{background-color:var(--paper-raised)}.bg-primary{background-color:var(--ink-strong)}.bg-surface{background-color:var(--paper)}.bg-surface-alt{background-color:var(--paper-alt)}.object-cover{-o-object-fit:cover;object-fit:cover}.p-0{padding:0}.p-2{padding:.5rem}.p-5{padding:1.25rem}.p-6{padding:1.5rem}.px-1{padding-left:.25rem;padding-right:.25rem}.px-3{padding-left:.75rem;padding-right:.75rem}.px-4{padding-left:1rem;padding-right:1rem}.px-5{padding-left:1.25rem;padding-right:1.25rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.px-8{padding-left:2rem;padding-right:2rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-1\.5{padding-top:.375rem;padding-bottom:.375rem}.py-16{padding-top:4rem;padding-bottom:4rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-20{padding-top:5rem;padding-bottom:5rem}.py-3\.5{padding-top:.875rem;padding-bottom:.875rem}.py-4{padding-top:1rem;padding-bottom:1rem}.py-5{padding-top:1.25rem;padding-bottom:1.25rem}.pb-10{padding-bottom:2.5rem}.pb-8{padding-bottom:2rem}.pt-10{padding-top:2.5rem}.pt-16{padding-top:4rem}.pt-3{padding-top:.75rem}.pt-4{padding-top:1rem}.pt-8{padding-top:2rem}.text-left{text-align:left}.text-center{text-align:center}.font-sans{font-family:var(--font-body)}.font-serif{font-family:var(--font-heading)}.text-2xl{font-size:1.875rem}.text-3xl{font-size:2.25rem}.text-\[3rem\]{font-size:3rem}.text-base{font-size:1rem}.text-lg{font-size:1.25rem}.text-md{font-size:1.125rem}.text-sm{font-size:.875rem}.text-xl{font-size:1.5rem}.text-xs{font-size:.75rem}.font-bold{font-weight:700}.font-medium{font-weight:500}.font-semibold{font-weight:600}.uppercase{text-transform:uppercase}.capitalize{text-transform:capitalize}.italic{font-style:italic}.leading-\[1\.1\]{line-height:1.1}.leading-\[1\.9\]{line-height:1.9}.leading-none{line-height:1}.leading-normal{line-height:1.6}.leading-relaxed{line-height:1.85}.leading-tight{line-height:1.25}.tracking-\[0\.25em\]{letter-spacing:.25em}.tracking-\[0\.2em\]{letter-spacing:.2em}.tracking-tight{letter-spacing:-.025em}.tracking-wide{letter-spacing:.025em}.tracking-wider{letter-spacing:.05em}.tracking-widest{letter-spacing:.1em}.text-accent{color:var(--accent)}.text-inherit{color:inherit}.text-muted{color:var(--annot)}.text-primary{color:var(--ink-strong)}.text-secondary{color:var(--ink)}.text-white{--tw-text-opacity: 1;color:rgb(255 255 255 / var(--tw-text-opacity, 1))}.text-white\/80{color:#fffc}.underline{text-decoration-line:underline}.no-underline{text-decoration-line:none}.shadow{--tw-shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--tw-shadow-colored: 0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.shadow-lg{--tw-shadow: var(--shadow-lg);--tw-shadow-colored: var(--shadow-lg);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.outline{outline-style:solid}.ring{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.blur{--tw-blur: blur(8px);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)}.drop-shadow{--tw-drop-shadow: drop-shadow(0 1px 2px rgb(0 0 0 / .1)) drop-shadow(0 1px 1px rgb(0 0 0 / .06));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)}.grayscale{--tw-grayscale: grayscale(100%);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)}.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)}.backdrop-filter{backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-all{transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-colors{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-opacity{transition-property:opacity;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-transform{transition-property:transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.duration-200{transition-duration:.2s}.duration-base{transition-duration:.25s}.duration-fast{transition-duration:.15s}.duration-slow{transition-duration:.4s}:root{box-sizing:border-box;--color-bg: #f9f5f1;--color-bg-alt: #f5f0ea;--color-bg-card: #ffffff;--color-primary: #2c2c2c;--color-secondary: #4a3f35;--color-muted: #8a7e72;--color-accent: #d13a3a;--color-accent-hover: #b82e2e;--color-accent-light: #fef2f2;--color-border: #e8e2da;--color-border-light: #f0ebe4;--color-code-bg: #f3efe9;--font-heading: "Figtree", "Vista Round TC", -apple-system, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;--font-body: "Figtree", -apple-system, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 1.875rem;--font-size-3xl: 2.25rem;--font-size-4xl: 3rem;--font-size-5xl: 3.75rem;--line-height-tight: 1.25;--line-height-normal: 1.6;--line-height-relaxed: 1.85;--letter-spacing-tight: -.02em;--letter-spacing-normal: 0;--letter-spacing-wide: .05em;--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;--max-width-content: 760px;--max-width-wide: 1080px;--max-width-full: 1200px;--header-height: 64px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--radius-none: 0;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--brand-red: var(--color-accent);--color-red: var(--color-accent);--color-warm-bg: var(--color-bg);--color-link: var(--color-accent);--brand-light-red: var(--color-accent-light);--brand-beige: var(--color-bg-alt);--gray-light: 232, 226, 218;--gray-dark: 74, 63, 53;--accent-blue: 59, 130, 246}*,*:before,*:after{box-sizing:inherit}html{background-color:var(--paper);font-family:var(--font-body);color:var(--ink-strong);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-size:var(--font-size-lg);line-height:var(--line-height-relaxed);word-wrap:break-word;overflow-wrap:break-word;overflow-x:clip}@media(min-width:768px){body{font-size:var(--font-size-xl)}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}h1,h2,h3,h4,h5,h6{margin:0 0 var(--space-3) 0;font-family:var(--font-heading);font-weight:700;line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-tight)}:where(h1,h2,h3,h4,h5,h6){color:var(--ink-strong)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}@media(max-width:767px){h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}}strong,b{font-weight:700}:where(a){color:var(--accent);text-decoration:none;transition:color var(--transition-fast)}:where(a:visited){color:var(--accent)}:where(a:hover){color:var(--accent-hover)}main{width:100%;max-width:var(--max-width-full);margin:0 auto;padding:var(--space-8) var(--space-6)}.container-narrow{max-width:var(--max-width-content);margin:0 auto;position:relative}.container-wide{max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--space-6)}.prose-content{font-size:1em;content-visibility:auto;contain-intrinsic-size:auto 500px}.prose-content p{margin-bottom:1.75em}.prose-content pre{margin-bottom:1.75rem}.prose-content h2{margin-top:2.5em;margin-bottom:.8em;font-weight:800;font-family:var(--font-heading);letter-spacing:var(--letter-spacing-tight)}.prose-content h3{margin-top:2em;margin-bottom:.6em}.prose-content img{width:100%;height:auto;background:var(--prose-img-board)}svg.icon{height:1em;width:auto;vertical-align:-.125em;fill:currentColor}img{max-width:100%;height:auto;border-radius:var(--radius-none)}code{padding:2px 6px;background-color:var(--code-bg);border-radius:var(--radius-sm);font-size:.9em;word-break:break-all}pre{padding:1.5em;border-radius:var(--radius-sm);overflow-x:auto;background-color:var(--code-bg)!important;border:1px solid var(--line);white-space:pre-wrap;word-break:break-all}pre code{background-color:transparent;padding:0;border-radius:0;font-size:.85em;color:var(--ink)}blockquote{border-left:3px solid var(--accent);padding:0 0 0 var(--space-6);margin:var(--space-8) 0;font-size:1.15em;color:var(--ink-strong);font-style:italic}hr{border:none;border-top:1px solid var(--line);margin:var(--space-8) 0}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:var(--space-8) 0;border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.text-gradient{background:linear-gradient(135deg,var(--ink-strong),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@media(max-width:767px){body{font-size:var(--font-size-md)}main{padding:var(--space-4) var(--space-4)}}:root{--paper: #f9f5f1;--paper-raised: #ffffff;--paper-alt: #f5f0ea;--ink: #4a3f35;--ink-strong: #2c2c2c;--annot: #79695c;--accent: #c0332f;--accent-hover: #b82e2e;--accent-ink: #ffffff;--accent-warm: #b82e2e;--line: rgba(74, 63, 53, .14);--line-strong: rgba(74, 63, 53, .34);--prose-img-board: #f5f0ea;--airmail: #28477a;--surface-dark: #2c2c2c;--surface-dark-ink: #f9f5f1;--surface-dark-annot: rgba(249, 245, 241, .72);--surface-navy: #1B2C4F;--sem-ok: #147235;--sem-bad: #c0332f;--code-bg: #f3efe9;--font-zh: var(--font-body);--font-display: var(--font-heading);--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--perf: url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20264%20176%22%3E%3Crect%20width%3D%22264%22%20height%3D%22176%22%20fill%3D%22%23fff%22%2F%3E%3Cg%20fill%3D%22%23000%22%3E%3Ccircle%20cx%3D%228%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%228%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2224%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2224%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2240%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2240%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2256%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2256%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2272%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2272%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2288%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%2288%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22104%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22104%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22136%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22136%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22152%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22152%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22168%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22168%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22184%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22184%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22200%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22200%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22216%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22216%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22232%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22232%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22248%22%20cy%3D%220%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22248%22%20cy%3D%22176%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%228%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%228%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%2224%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%2224%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%2240%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%2240%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%2256%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%2256%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%2272%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%2272%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%2288%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%2288%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%22104%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%22104%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%22120%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%22120%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%22136%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%22136%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%22152%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%22152%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%220%22%20cy%3D%22168%22%20r%3D%225%22%2F%3E%3Ccircle%20cx%3D%22264%22%20cy%3D%22168%22%20r%3D%225%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E)}body:is(.v2,.v3){--paper: #FBF6EC;--paper-raised: #FFFFFF;--paper-alt: #F3EADA;--ink: #1A1714;--ink-strong: #1A1714;--annot: #4A443C;--accent: #2747D6;--accent-hover: #1F38A8;--accent-ink: #FFFFFF;--accent-warm: #B8320D;--accent-fill: #1A1714;--accent-fill-hover: #4A443C;--accent-fill-ink: #FBF6EC;--line: #E4DCCD;--line-strong: rgba(26, 23, 20, .45);--prose-img-board: #F3EADA;--airmail: #2747D6;--surface-dark: #1A1714;--surface-dark-ink: #FBF6EC;--surface-dark-annot: rgba(251, 246, 236, .72);--surface-navy: #172A4A;--sem-ok: #147235;--sem-bad: #B8320D;--code-bg: #F3EADA;--font-heading: "Figtree", "Vista Round TC", var(--font-body);--font-display: "Figtree", "Vista Round TC", var(--font-body)}html:has(body:is(.v2,.v3)){background-color:#fbf6ec}@media(prefers-color-scheme:dark){html:not([data-theme=light]):has(body:is(.v2,.v3)){background-color:#172a4a;color-scheme:dark}html:not([data-theme=light]) body:is(.v2,.v3) :where(.bg-white){background-color:var(--paper-raised)}html:not([data-theme=light]) body:is(.v2,.v3) :where([class*="bg-white/"]){background-color:color-mix(in srgb,var(--paper-raised) 72%,transparent)}html:not([data-theme=light]) body:is(.v2,.v3) :where(.bg-primary){background-color:var(--surface-dark)}html:not([data-theme=light]) body:is(.v2,.v3){--pagefind-ui-background: var(--paper-raised);--pagefind-ui-text: var(--ink);--pagefind-ui-border: rgba(221, 228, 240, .3);--pagefind-ui-tag: var(--paper-alt)}html:not([data-theme=light]) body:is(.v2,.v3) :where(.pagefind-ui__search-input,.pagefind-ui__form input){background-color:var(--paper-raised);color:var(--ink)}html:not([data-theme=light]) body:is(.v2,.v3){--paper: #172A4A;--paper-raised: #22396A;--paper-alt: #1E345C;--ink: #DDE4F0;--ink-strong: #DDE4F0;--annot: #B9C4D8;--accent: #9DB2FF;--accent-hover: #B3C3FF;--accent-ink: #172A4A;--accent-warm: #FF9A7A;--accent-fill: #DDE4F0;--accent-fill-hover: #B9C4D8;--accent-fill-ink: #172A4A;--line: #34507F;--line-strong: rgba(221, 228, 240, .45);--airmail: #9DB2FF;--code-bg: #0F1E38;--sem-ok: #57C98A;--sem-bad: #FF9A7A}}html[data-theme=dark]:has(body:is(.v2,.v3)){background-color:#172a4a;color-scheme:dark}html[data-theme=dark] body:is(.v2,.v3) :where(.bg-white){background-color:var(--paper-raised)}html[data-theme=dark] body:is(.v2,.v3) :where([class*="bg-white/"]){background-color:color-mix(in srgb,var(--paper-raised) 72%,transparent)}html[data-theme=dark] body:is(.v2,.v3) :where(.bg-primary){background-color:var(--surface-dark)}html[data-theme=dark] body:is(.v2,.v3){--pagefind-ui-background: var(--paper-raised);--pagefind-ui-text: var(--ink);--pagefind-ui-border: rgba(221, 228, 240, .3);--pagefind-ui-tag: var(--paper-alt)}html[data-theme=dark] body:is(.v2,.v3) :where(.pagefind-ui__search-input,.pagefind-ui__form input){background-color:var(--paper-raised);color:var(--ink)}html[data-theme=dark] body:is(.v2,.v3){--paper: #172A4A;--paper-raised: #22396A;--paper-alt: #1E345C;--ink: #DDE4F0;--ink-strong: #DDE4F0;--annot: #B9C4D8;--accent: #9DB2FF;--accent-hover: #B3C3FF;--accent-ink: #172A4A;--accent-warm: #FF9A7A;--accent-fill: #DDE4F0;--accent-fill-hover: #B9C4D8;--accent-fill-ink: #172A4A;--line: #34507F;--line-strong: rgba(221, 228, 240, .45);--airmail: #9DB2FF;--code-bg: #0F1E38;--sem-ok: #57C98A;--sem-bad: #FF9A7A}.theme-toggle .theme-icon-moon{display:none}.theme-toggle .theme-icon-sun{display:inline-flex}@media(prefers-color-scheme:dark){html:not([data-theme=light]) .theme-toggle .theme-icon-sun{display:none}html:not([data-theme=light]) .theme-toggle .theme-icon-moon{display:inline-flex}}html[data-theme=dark] .theme-toggle .theme-icon-sun{display:none}html[data-theme=dark] .theme-toggle .theme-icon-moon{display:inline-flex}body.v2{background:var(--paper);color:var(--ink);font-family:var(--font-zh);font-size:20px;line-height:1.85}@media(min-width:768px){body.v2{font-size:22px}}.v2 h1,.v2 h2,.v2 h3{font-family:var(--font-display);font-weight:800;letter-spacing:0;line-height:1.2}:where(.v2 h1,.v2 h2,.v2 h3){color:var(--ink-strong)}.v2 h1{font-size:clamp(1.9rem,5vw,3rem);letter-spacing:-.01em}.v2 h2{font-size:clamp(1.5rem,3.4vw,2.1rem)}.v2 h3{font-size:1.15rem}:where(.v2 a){color:var(--accent);text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent);text-underline-offset:3px}:where(.v2 a:hover){color:var(--accent-hover)}.v2 :is(a,button,input,textarea,select,[tabindex]):focus-visible{outline:3px solid var(--ink-strong);outline-offset:3px}.v2 ::-moz-selection{background:#ffc21a;color:#1a1714}.v2 ::selection{background:#ffc21a;color:#1a1714}.v2 .mono{font-family:var(--font-mono);font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--annot)}.v2 .container{max-width:1080px;margin:0 auto;padding:0 22px}.v2 .section{padding:72px 0}.v2 .section-alt{background:var(--paper-alt)}.v2 .card{background:var(--paper-raised);border:2px solid var(--v3-ink);border-radius:18px;padding:24px;box-shadow:var(--v3-shadow);transition:transform .15s ease}.v2 .card:hover{transform:translate(-2px,-2px)}@media(prefers-reduced-motion:reduce){.v2 .card:hover{transform:none}}.v2 .card-no{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;color:var(--accent-warm);text-transform:uppercase;display:block;margin-bottom:10px}.v2 .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;background:#ffc21a;color:#1a1714;border:2px solid var(--v3-ink);border-radius:14px;padding:11px 22px;font-weight:900;text-decoration:none;box-shadow:var(--v3-shadow);transition:transform .15s ease}.v2 .btn:hover{background:#ffc21a;color:#1a1714;border-color:var(--v3-ink);transform:translate(-1px,-1px)}.v2 .btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;background:var(--paper-raised);color:var(--ink-strong);border:2px solid var(--v3-ink);border-radius:14px;padding:11px 22px;font-weight:800;text-decoration:none}.v2 .btn-ghost:hover{background:var(--paper-alt);color:var(--ink-strong);border-color:var(--v3-ink)}.v2 input,.v2 textarea,.v2 select{background:var(--paper-raised);color:var(--ink);border:1px solid var(--line-strong);border-radius:6px;padding:11px 14px;font-family:var(--font-zh)}.v2 :is(input,textarea)::-moz-placeholder{color:var(--annot)}.v2 :is(input,textarea)::placeholder{color:var(--annot)}.v2 blockquote{border-left:4px solid var(--v3-yellow);padding-left:18px;color:var(--ink);font-family:var(--font-body);font-style:normal}.v2 code{font-family:var(--font-mono);font-size:.92em}:where(body.v2,body.v3) pre{padding:1.25em 1.5em;border-radius:14px;background-color:#fff!important;background-image:none;color:#1a1714;border:2px solid #1A1714;box-shadow:4px 4px #1a1714;color-scheme:light}:where(body.v2,body.v3) pre code{color:inherit}:where(body.v2,body.v3) :not(pre)>code{background:var(--code-bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:inherit}.v2 .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.v2 .grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}@media(max-width:860px){.v2 .grid-2,.v2 .grid-3{grid-template-columns:1fr}}.v2 .promo-card{margin:2.75rem 0;overflow:hidden;background:var(--paper-raised);border:2px solid var(--v3-ink);border-radius:18px;box-shadow:var(--v3-shadow)}.v2 .promo-card--pad{padding:1.9rem 1.9rem 1.6rem}.v2 .promo-card .promo-card__media{display:block;line-height:0;border-bottom:2px solid var(--v3-ink)}.v2 .promo-card .promo-card__img{width:100%;height:auto;display:block;margin:0;border-radius:0;max-width:none}.v2 .promo-card .promo-card__inner{padding:1.6rem 1.9rem 1.9rem}.v2 .promo-card .promo-card__eyebrow{margin:0 0 .55rem;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.14em;color:var(--accent-warm);text-transform:uppercase;font-weight:600}.v2 .promo-card .promo-card__title{margin:0 0 .85rem;font-family:var(--font-display);font-weight:900;font-size:1.35rem;line-height:1.4;color:var(--ink-strong)}.v2 .promo-card .promo-card__body{margin:0 0 1.25rem;line-height:1.85;color:var(--ink)}.v2 .promo-card .promo-card__actions{margin:0;display:flex;flex-wrap:wrap;gap:.6rem}.v2 .promo-card .promo-card__cta{display:inline-flex;align-items:center;min-height:48px;background:#ffc21a;color:#1a1714;border:2px solid var(--v3-ink);border-radius:14px;padding:.7rem 1.4rem;text-decoration:none;font-weight:900;letter-spacing:.02em;box-shadow:var(--v3-shadow)}.v2 .promo-card .promo-card__cta:hover{background:#ffc21a;color:#1a1714;transform:translate(-1px,-1px)}.v2 .promo-card .promo-card__cta--ghost{background:var(--paper-raised);color:var(--ink-strong);border:2px solid var(--v3-ink);box-shadow:none}.v2 .promo-card .promo-card__cta--ghost:hover{background:var(--paper-alt);border-color:var(--v3-ink);color:var(--ink-strong);transform:none}.v2 .course-card{position:relative;overflow:hidden;max-width:720px;margin:2.75rem auto;padding:2.25rem 2rem;background:var(--paper-raised);border:2px solid var(--v3-ink);border-radius:18px;box-shadow:var(--v3-shadow)}.v2 .course-card:after{content:none}.v2 .course-card .course-card__row{display:flex;align-items:flex-start;gap:1.75rem;flex-wrap:wrap}.v2 .course-card .course-card__icon{flex:0 0 110px;width:110px;height:110px;background:var(--surface-navy);border-radius:14px;display:flex;align-items:center;justify-content:center}.v2 .course-card .course-card__col{flex:1;min-width:260px}.v2 .course-card .course-card__eyebrow{margin:0 0 .6rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--accent-warm)}.v2 .course-card .course-card__title{margin:0 0 .85rem;font-family:var(--font-display);font-size:1.4rem;line-height:1.45;font-weight:900;color:var(--accent)}.v2 .course-card .course-card__text{margin:0 0 1.4rem;font-size:.95rem;line-height:1.75;color:var(--ink)}.v2 .course-card .course-card__cta{display:inline-flex;align-items:center;min-height:48px;background:#ffc21a;color:#1a1714;border:2px solid var(--v3-ink);border-radius:14px;padding:.7rem 1.4rem;text-decoration:none;font-size:.95rem;font-weight:900;letter-spacing:.04em;box-shadow:var(--v3-shadow)}.v2 .course-card .course-card__cta:hover{background:#ffc21a;color:#1a1714;transform:translate(-1px,-1px)}.v2 .callout-card{--callout-hue: var(--v3-blue);margin:2rem 0;padding:1.5rem 2rem;border:2px solid var(--v3-ink);border-radius:18px;background-color:color-mix(in srgb,var(--callout-hue) 10%,var(--paper-raised));background-image:none;box-shadow:inset 8px 0 0 var(--callout-hue),var(--v3-shadow)}.v2 .callout-card--indigo{--callout-hue: var(--v3-blue)}.v2 .callout-card--amber{--callout-hue: var(--v3-yellow)}.v2 .callout-card>:first-child{margin-top:0}.v2 .callout-card>:last-child{margin-bottom:0}.v2 .callout-card p{margin:0 0 .75rem}.v2 .callout-card .callout-card__lead{margin:0 0 .5rem;font-size:1.1rem;font-weight:600;color:var(--accent)}.v2 .callout-card .callout-card__link{font-weight:700}.v2 .stat-compare{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin:1.5rem 0}.v2 .stat-card{padding:1.5rem;border:2px solid var(--v3-ink);border-radius:14px;background:var(--paper-raised);box-shadow:var(--v3-shadow)}.v2 .stat-card--bad{border-color:var(--v3-ink);background:color-mix(in srgb,var(--sem-bad) 7%,var(--paper-raised))}.v2 .stat-card--ok{border-color:var(--v3-ink);background:color-mix(in srgb,var(--sem-ok) 7%,var(--paper-raised))}.v2 .stat-card__label{margin-bottom:.75rem;font-size:.85rem;color:var(--annot)}.v2 .stat-card__row{margin-bottom:1rem;color:var(--annot)}.v2 .stat-card__row:last-child{margin-bottom:0}.v2 .stat-card__num{font-size:1.8rem;font-weight:700}.v2 .stat-card--bad .stat-card__num{color:var(--sem-bad)}.v2 .stat-card--ok .stat-card__num{color:var(--sem-ok)}@media(max-width:560px){.v2 .stat-compare{grid-template-columns:1fr}}.v2 .embed-frame{margin:2rem 0;border:2px solid var(--v3-ink);border-radius:18px;overflow:hidden;background:var(--paper-raised);box-shadow:var(--v3-shadow)}.v2 .embed-frame__bar{padding:.95rem 1.4rem;background:var(--paper-alt);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.v2 .embed-frame__title{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;color:var(--ink-strong)}.v2 .embed-frame__dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ffc21a;border:1.5px solid #1A1714}.v2 .embed-frame__link{font-size:.85rem;color:var(--accent);text-decoration:none}.v2 .embed-frame__stage{position:relative;width:100%;padding-top:62.5%;background:var(--surface-dark)}.v2 .embed-frame__iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.v2 .embed-frame .embed-frame__caption{margin:0;padding:.7rem 1.4rem;font-size:.82rem;color:var(--annot);background:var(--paper-alt);border-top:1px solid var(--line)}.v2 details.embed-frame>.embed-frame__summary{cursor:pointer;padding:1.5rem 1.75rem;list-style:none;display:flex;flex-direction:column;gap:.55rem;background:var(--paper-alt)}.v2 details.embed-frame>.embed-frame__summary::-webkit-details-marker{display:none}.v2 .embed-frame .embed-frame__eyebrow{font-size:.78rem;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}.v2 .embed-frame .embed-frame__heading{font-size:1.2rem;font-weight:600;color:var(--ink-strong);line-height:1.45}.v2 .embed-frame .embed-frame__hint{font-size:.95rem;color:var(--annot)}.v2 .cmd-block{padding:1rem 1.5rem;border-left:6px solid #FFC21A;color:#1a1714}.v2 .cmd-block--flow{line-height:1.8}.v2 .postmark{display:block;width:var(--pm-size, 140px);height:var(--pm-size, 140px)}.v2 .postmark svg{width:100%;height:100%;display:block}.v2 .postmark .pm-ink{fill:none;stroke:var(--accent);opacity:.82}.v2 .postmark .pm-text{fill:var(--accent);opacity:.82;font-family:var(--font-mono);letter-spacing:.14em}.v2 .stamp-frame{background:var(--paper-raised);padding:9px;-webkit-mask:var(--perf);mask:var(--perf);-webkit-mask-size:100% 100%;mask-size:100% 100%}.v2 .stamp-frame :is(img,.stamp-photo){display:block;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;filter:sepia(.14) contrast(1.02)}.v2 .perf-edge{position:relative}.v2 .perf-edge:before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:radial-gradient(circle 5px at 9px 0,transparent 96%,var(--perf-bg, var(--paper)) 0);background-size:18px 8px;background-repeat:repeat-x;pointer-events:none}body:is(.v2,.v3) .perf-edge:before{content:none}.v2 .airmail-rule{height:5px;width:100%;background:repeating-linear-gradient(-45deg,var(--accent) 0 6px,transparent 6px 11px,var(--airmail) 11px 17px,transparent 17px 22px);opacity:.7}.v2 .ink-line svg{width:100%;height:auto;display:block}.v2 .ink-line .stroke{fill:none;stroke:var(--ink);stroke-width:2.4;stroke-linecap:round;opacity:.72;stroke-dasharray:var(--len, 600);stroke-dashoffset:var(--len, 600);animation:ink-draw 1.1s ease forwards}.v2 .ink-line .stroke.s2{animation-delay:.5s}.v2 .ink-line .stroke.s3{animation-delay:.9s}.v2 .ink-line .stroke.s4{animation-delay:1.25s}@keyframes ink-draw{to{stroke-dashoffset:0}}.v2 .datestamp{flex:none;display:inline-flex;flex-direction:row;align-items:baseline;gap:4px;padding:2px 10px;border:2px solid var(--v3-ink);border-radius:999px;color:var(--ink-strong);transform:none}.v2 .datestamp b{font-family:var(--font-mono);font-size:.75rem;line-height:1.4;font-weight:600}.v2 .datestamp span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em}.v2 .letter{position:relative;background:var(--paper-raised);padding:34px 34px 30px;border-radius:4px;box-shadow:0 1px 0 var(--line),0 24px 46px -30px #4a3f358c;transform:rotate(-1.1deg)}.v2 .letter:before{content:"";position:absolute;inset:-7px;z-index:0;padding:7px;pointer-events:none;background:repeating-linear-gradient(-45deg,var(--accent) 0 7px,transparent 7px 13px,var(--airmail) 13px 20px,transparent 20px 26px);opacity:.55;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.v2 .letter-inner{position:relative}.v2 .letter .photostamp{width:150px;height:100px;float:right;margin:0 0 12px 20px}.v2 .letter .hand{margin-top:6px}.v2 .letter .cancel{position:absolute;left:-6px;bottom:12px;width:150px;opacity:.5}.v2 .letter .cancel path{fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:220;stroke-dashoffset:220;animation:ink-draw 1s ease 2s forwards}.v2 .letter .postmark{position:absolute;top:-40px;right:-28px;width:118px;height:118px;transform-origin:60% 40%;animation:postmark-stamp .55s cubic-bezier(.3,1.4,.5,1) 1.5s both}@keyframes postmark-stamp{0%{opacity:0;transform:scale(1.5) rotate(6deg)}60%{opacity:.9;transform:scale(.96) rotate(-9deg)}to{opacity:.82;transform:scale(1) rotate(-8deg)}}@media(prefers-reduced-motion:reduce){.v2 .ink-line .stroke,.v2 .letter .cancel path{stroke-dashoffset:0!important;animation:none!important}.v2 .letter .postmark{animation:none!important;opacity:.82!important;transform:rotate(-8deg)!important}}.hover\:-translate-y-0\.5:hover{--tw-translate-y: -.125rem;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:-translate-y-1:hover{--tw-translate-y: -.25rem;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:border-accent:hover{border-color:var(--accent)}.hover\:bg-accent:hover{background-color:var(--accent)}.hover\:bg-accent-hover:hover{background-color:var(--accent-hover)}.hover\:bg-surface-alt:hover{background-color:var(--paper-alt)}.hover\:text-accent:hover{color:var(--accent)}.hover\:opacity-80:hover{opacity:.8}.hover\:shadow-md:hover{--tw-shadow: var(--shadow-md);--tw-shadow-colored: var(--shadow-md);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.group:hover .group-hover\:translate-x-0\.5{--tw-translate-x: .125rem;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.group:hover .group-hover\:translate-x-1{--tw-translate-x: .25rem;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.group:hover .group-hover\:scale-\[1\.03\]{--tw-scale-x: 1.03;--tw-scale-y: 1.03;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.group:hover .group-hover\:text-accent{color:var(--accent)}@media(min-width:640px){.sm\:inline{display:inline}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:flex-row{flex-direction:row}.sm\:text-left{text-align:left}}@media(min-width:768px){.md\:col-span-2{grid-column:span 2 / span 2}.md\:mx-0{margin-left:0;margin-right:0}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:grid-cols-\[1fr_auto\]{grid-template-columns:1fr auto}.md\:justify-start{justify-content:flex-start}.md\:gap-5{gap:1.25rem}.md\:gap-x-6{-moz-column-gap:1.5rem;column-gap:1.5rem}.md\:text-left{text-align:left}.md\:text-3xl{font-size:2.25rem}.md\:text-4xl{font-size:3rem}.md\:text-\[3\.8rem\]{font-size:3.8rem}.md\:text-lg{font-size:1.25rem}.md\:text-sm{font-size:.875rem}}@media(min-width:1024px){.lg\:order-1{order:1}.lg\:order-2{order:2}.lg\:col-span-1{grid-column:span 1 / span 1}.lg\:mb-14{margin-bottom:3.5rem}.lg\:mt-16{margin-top:4rem}.lg\:block{display:block}.lg\:flex{display:flex}.lg\:hidden{display:none}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-\[1\.8fr_1fr_1fr_1fr_1\.4fr\]{grid-template-columns:1.8fr 1fr 1fr 1fr 1.4fr}.lg\:grid-cols-\[1fr_360px\]{grid-template-columns:1fr 360px}.lg\:justify-start{justify-content:flex-start}.lg\:justify-end{justify-content:flex-end}.lg\:gap-10{gap:2.5rem}.lg\:gap-14{gap:3.5rem}.lg\:gap-6{gap:1.5rem}.lg\:gap-x-10{-moz-column-gap:2.5rem;column-gap:2.5rem}.lg\:p-7{padding:1.75rem}.lg\:px-6{padding-left:1.5rem;padding-right:1.5rem}.lg\:px-8{padding-left:2rem;padding-right:2rem}.lg\:py-20{padding-top:5rem;padding-bottom:5rem}.lg\:pb-10{padding-bottom:2.5rem}.lg\:pt-14{padding-top:3.5rem}.lg\:text-2xl{font-size:1.875rem}.lg\:text-4xl{font-size:3rem}.lg\:text-base{font-size:1rem}.lg\:text-lg{font-size:1.25rem}}body:is(.v2,.v3){--v3-paper: #FBF6EC;--v3-paper-2: #F3EADA;--v3-card: #FFFFFF;--v3-ink: #1A1714;--v3-ink-2: #4A443C;--v3-line: #E4DCCD;--v3-yellow: #FFC21A;--v3-yellow-w: #FFF1C2;--v3-yellow-t: #8A5A00;--v3-blue: #2747D6;--v3-blue-w: #E3E8FB;--v3-blue-t: #2747D6;--v3-teal: #0A7F86;--v3-teal-w: #DDF0EF;--v3-teal-t: #08707A;--v3-red: #D43A13;--v3-red-w: #FBE3D9;--v3-red-t: #B8320D;--v3-pink: #D6336F;--v3-pink-w: #FBE1EA;--v3-pink-t: #B82A5E;--v3-skin: #F2C6A0;--v3-tint-yellow: #FFF1C2;--v3-tint-blue: #E3E8FB;--v3-tint-pink: #FBE1EA;--v3-tint-red: #FBE3D9;--v3-tint-teal: #DDF0EF;--v3-tint-ink: #1A1714;--v3-tint-ink-fg: #FBF6EC;--v3-tint-ink-fg2: #D9D1C3;--v3-shadow: 4px 4px 0 var(--v3-ink);--v3-f-title: "Figtree", "Vista Round TC", var(--font-body);--v3-f-mono: "JetBrains Mono", var(--font-body)}body.v3{background:var(--v3-paper);color:var(--v3-ink);font-family:var(--font-body);font-size:17px;line-height:1.75}@media(prefers-color-scheme:dark){html:not([data-theme=light]) body:is(.v2,.v3){--v3-paper: #172A4A;--v3-paper-2: #1E345C;--v3-card: #22396A;--v3-ink: #DDE4F0;--v3-ink-2: #B9C4D8;--v3-line: #34507F;--v3-shadow: 4px 4px 0 #0B1528;--v3-yellow-t: #FFD25A;--v3-teal-t: #5CD6DC;--v3-red-t: #FF9A7A;--v3-pink-t: #FF8FB3;--v3-blue-t: #9DB2FF;--v3-tint-yellow: #3D3417;--v3-tint-blue: #22365F;--v3-tint-pink: #4A2440;--v3-tint-red: #4A2A22;--v3-tint-teal: #123F48;--v3-tint-ink: #0B1528;--v3-tint-ink-fg: #DDE4F0;--v3-tint-ink-fg2: #B9C4D8;color-scheme:dark}html:not([data-theme=light]):has(body:is(.v2,.v3)){color-scheme:dark;background-color:#172a4a}}html[data-theme=dark] body:is(.v2,.v3){--v3-paper: #172A4A;--v3-paper-2: #1E345C;--v3-card: #22396A;--v3-ink: #DDE4F0;--v3-ink-2: #B9C4D8;--v3-line: #34507F;--v3-shadow: 4px 4px 0 #0B1528;--v3-yellow-t: #FFD25A;--v3-teal-t: #5CD6DC;--v3-red-t: #FF9A7A;--v3-pink-t: #FF8FB3;--v3-blue-t: #9DB2FF;--v3-tint-yellow: #3D3417;--v3-tint-blue: #22365F;--v3-tint-pink: #4A2440;--v3-tint-red: #4A2A22;--v3-tint-teal: #123F48;--v3-tint-ink: #0B1528;--v3-tint-ink-fg: #DDE4F0;--v3-tint-ink-fg2: #B9C4D8;color-scheme:dark}html[data-theme=dark]:has(body:is(.v2,.v3)){color-scheme:dark;background-color:#172a4a}body.v3 h1,body.v3 h2,body.v3 h3{font-family:var(--v3-f-title);font-weight:800;letter-spacing:0;line-height:1.16;color:var(--v3-ink)}body.v3 h1{letter-spacing:-.01em}body:is(.v2,.v3) :is(h1,h2,h3,h4,p,li,dd,figcaption,blockquote){text-wrap:pretty}:lang(ja) :is(h1,h2,h3,h4){word-break:auto-phrase}.v3-mono{font-family:var(--v3-f-mono);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase}.v3-pill{display:inline-block;background:var(--v3-ink);color:var(--v3-paper);font-weight:700;font-size:15px;padding:7px 16px;border-radius:999px}.v3-hl{color:#1a1714;background-image:linear-gradient(var(--v3-yellow),var(--v3-yellow));background-repeat:no-repeat;background-position:0 88%;background-size:100% 40%;padding:0 .08em;animation:v3-hl-draw .5s cubic-bezier(.23,1,.32,1) .2s both}@keyframes v3-hl-draw{0%{background-size:0% 40%}to{background-size:100% 40%}}@keyframes v3-hl-draw-dark{0%{background-size:0% 100%}to{background-size:100% 100%}}@media(prefers-color-scheme:dark){html:not([data-theme=light]) body:is(.v2,.v3) .v3-hl{background-position:0 0;background-size:100% 100%;animation-name:v3-hl-draw-dark}}html[data-theme=dark] body:is(.v2,.v3) .v3-hl{background-position:0 0;background-size:100% 100%;animation-name:v3-hl-draw-dark}.v3-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;font-weight:900;font-size:18px;padding:12px 26px;border-radius:14px;border:2px solid var(--v3-ink);text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}.v3-btn--primary{background:var(--v3-yellow);color:#1a1714;box-shadow:var(--v3-shadow)}.v3-btn--ghost{background:var(--v3-card);color:var(--v3-ink)}.v3-btn:hover{transform:translate(-1px,-1px)}.v3-btn:focus-visible{outline:3px solid var(--v3-ink);outline-offset:3px}body.v3 .speak a:focus-visible,body.v3 .speak .v3-btn:focus-visible{outline:3px solid var(--v3-yellow);outline-offset:3px}body.v3 :is(a,button,input,textarea,select,[tabindex]):focus-visible{outline:3px solid var(--v3-ink);outline-offset:3px}.v3-card{background:var(--v3-card);border:2px solid var(--v3-ink);border-radius:18px;box-shadow:var(--v3-shadow)}@media(prefers-reduced-motion:reduce){body:is(.v2,.v3) *,body:is(.v2,.v3) *:before,body:is(.v2,.v3) *:after{animation:none!important;transition:none!important}}.v3-page{--edge: var(--v3-ink);color:var(--v3-ink)}.v3-blk{padding:64px 0}.v3-blk--tight{padding-top:24px}.v3-band{width:100vw;margin-left:calc(50% - 50vw)}.v3-band-in{max-width:1200px;margin:0 auto;padding:64px 24px}.v3-band--alt{background:var(--v3-paper-2);border-top:2px solid var(--v3-ink);border-bottom:2px solid var(--v3-ink)}.v3-band--ink{background:var(--v3-tint-ink);color:var(--v3-tint-ink-fg)}.v3-band--ink :is(h2,h3){color:inherit}.v3-band--ink p{color:var(--v3-tint-ink-fg2)}.v3-band--ink .v3-btn{border-color:var(--v3-yellow);box-shadow:none}body.v3 .v3-band--ink :is(a,button):focus-visible{outline-color:var(--v3-yellow)}.v3-kick{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--v3-blue-t);margin-bottom:6px}.v3-link-arrow{font-weight:700;color:var(--v3-blue-t);display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}.v3-tag{display:inline-block;font-size:13px;font-weight:700;line-height:1;padding:6px 9px;border-radius:999px;background:var(--v3-paper-2);color:var(--v3-ink-2)}.v3-tag--yellow{background:var(--v3-tint-yellow);color:var(--v3-ink)}.v3-tag--red{background:var(--v3-tint-red);color:var(--v3-red-t)}.v3-tag--teal{background:var(--v3-tint-teal);color:var(--v3-teal-t)}.v3-tag--blue{background:var(--v3-tint-blue);color:var(--v3-blue-t)}.v3-num{font-family:var(--v3-f-title);font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums}.v3-grid-2,.v3-grid-3,.v3-grid-4{display:grid;gap:22px}.v3-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.v3-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.v3-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.v3-pills{display:flex;flex-wrap:wrap;gap:8px}.v3-pills :is(a,button){display:inline-flex;align-items:center;min-height:44px;border:2px solid var(--v3-ink);border-radius:999px;padding:0 16px;font:inherit;font-weight:700;font-size:14.5px;background:var(--v3-paper);color:var(--v3-ink);text-decoration:none;cursor:pointer}.v3-pills :is(a,button):is([aria-current]:not([aria-current=false]),[aria-selected=true],.is-active){background:var(--v3-ink);color:var(--v3-paper)}.v3-input{box-sizing:border-box;min-height:48px;border:2px solid var(--v3-ink);border-radius:14px;background:var(--v3-card);color:var(--v3-ink);padding:0 16px;font:inherit;font-size:16px}.v3-steps{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:v3s}.v3-steps>li{display:grid;grid-template-columns:40px 1fr;gap:2px 14px;align-items:start}.v3-steps>li:before{counter-increment:v3s;content:counter(v3s);grid-row:span 2;width:36px;height:36px;border-radius:10px;border:2px solid var(--v3-ink);display:grid;place-items:center;font:800 16px var(--v3-f-title);background:var(--v3-yellow);color:#1a1714}.v3-steps>li>b{font-size:18px;line-height:1.45;padding-top:4px}.v3-steps>li>span{font-size:15.5px;line-height:1.7;color:var(--v3-ink-2)}@media(max-width:900px){.v3-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.v3-grid-2,.v3-grid-3{grid-template-columns:1fr}}@media(max-width:600px){.v3-blk{padding:48px 0}.v3-blk--tight{padding-top:16px}.v3-band-in{padding:48px 24px}.v3-grid-4{grid-template-columns:1fr}}.v3-faq-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px 56px;align-items:start}.v3-faq-split>.v3-faq-aside{position:sticky;top:96px}.v3-faq-aside h2{margin:0 0 10px;font-size:clamp(26px,2.8vw,34px)}.v3-faq-aside p{margin:0 0 18px;color:var(--v3-ink-2);font-size:16px;line-height:1.75}body .v3-faq-split>.faq,body .v3-faq-split>.faq[data-faq]{max-width:none}@media(max-width:900px){.v3-faq-split{grid-template-columns:1fr}.v3-faq-split>.v3-faq-aside{position:static}}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:400 800;src:url(/fonts/latin/figtree-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:Figtree;font-style:normal;font-display:swap;font-weight:400 800;src:url(/fonts/latin/figtree-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/latin/jetbrains-mono-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:JetBrains Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/latin/jetbrains-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/fonts/latin/jetbrains-mono-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:JetBrains Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/fonts/latin/jetbrains-mono-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}.lang-switcher-desktop[data-astro-cid-a2mxz4y6] summary[data-astro-cid-a2mxz4y6]::-webkit-details-marker,.lang-switcher-desktop[data-astro-cid-a2mxz4y6] summary[data-astro-cid-a2mxz4y6]::marker{display:none;content:""}.lang-switcher-desktop[data-astro-cid-a2mxz4y6][open] summary[data-astro-cid-a2mxz4y6]:before{content:"";position:fixed;inset:0;z-index:1001;cursor:default}body.v2 .text-muted[data-astro-cid-a2mxz4y6]{color:var(--annot)}body.v2 .text-secondary[data-astro-cid-a2mxz4y6]{color:var(--ink)}body.v2 .text-accent[data-astro-cid-a2mxz4y6],body.v2 .hover\:text-accent[data-astro-cid-a2mxz4y6]:hover{color:var(--accent)}body.v2 .bg-surface[data-astro-cid-a2mxz4y6]{background-color:var(--paper-raised)}body.v2 .border-border-light[data-astro-cid-a2mxz4y6]{border-color:var(--line)}body.v2 .hover\:bg-surface-alt[data-astro-cid-a2mxz4y6]:hover{background-color:color-mix(in srgb,var(--paper-raised) 55%,var(--paper))}body.v2 .bg-accent\/5[data-astro-cid-a2mxz4y6]{background-color:color-mix(in srgb,var(--accent) 8%,transparent)}.skip-to-main[data-astro-cid-3ef6ksr2]{position:absolute;top:-100px;left:1rem;z-index:9999;padding:.75rem 1.25rem;background:var(--surface-dark);color:#fff;font-weight:600;text-decoration:none;border-radius:4px;transition:top .2s ease}.skip-to-main[data-astro-cid-3ef6ksr2]:focus{top:1rem;outline:3px solid var(--accent);outline-offset:2px}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}header[data-astro-cid-3ef6ksr2].v3-header{background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.hd-in[data-astro-cid-3ef6ksr2]{gap:16px}.v3-logo[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;font-family:var(--v3-f-title);font-weight:800;font-size:19px;color:var(--ink-strong)}.v3-logo-mark[data-astro-cid-3ef6ksr2]{background:#ffc21a;color:#1a1714;border:2px solid #1A1714;border-radius:8px;padding:0 8px;font-size:18px;line-height:1.35}.nav-panel[data-astro-cid-3ef6ksr2]{flex:1 1 auto;min-width:0}.nav-main[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:2px;margin:0 auto}.nav-tools[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:2px}.v3-nav-link[data-astro-cid-3ef6ksr2],.v3-dd-trigger[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;font-weight:700;font-size:16px;color:var(--ink);background:none;border:0;padding:8px 12px;min-height:44px;border-radius:10px;cursor:pointer;text-decoration:none;white-space:nowrap}.v3-nav-link[data-astro-cid-3ef6ksr2]:hover,.v3-dd-trigger[data-astro-cid-3ef6ksr2]:hover,.v3-nav-link[data-astro-cid-3ef6ksr2][aria-current],.v3-dd-trigger[data-astro-cid-3ef6ksr2].is-current,.v3-dd-trigger[data-astro-cid-3ef6ksr2][aria-expanded=true]{background:var(--paper-alt);color:var(--ink-strong)}.v3-dd-trigger[data-astro-cid-3ef6ksr2]:after{content:"▾" / "";font-size:11px;margin-left:4px;color:var(--annot)}.v3-dd[data-astro-cid-3ef6ksr2]{position:relative}.v3-dd-menu[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;min-width:180px;list-style:none;margin:6px 0 0;padding:8px;background:var(--paper-raised);border:2px solid #1A1714;border-radius:14px;box-shadow:4px 4px #1a1714;z-index:1002}.v3-dd-menu[data-astro-cid-3ef6ksr2][hidden]{display:none}.v3-dd-menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:10px 12px;min-height:44px;font-weight:700;color:var(--ink-strong);text-decoration:none;border-radius:8px;text-align:left}.v3-dd-menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.v3-dd-menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible{background:#fff1c2;color:#1a1714}.tool-btn[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:transparent;border:0;padding:0;cursor:pointer;border-radius:10px}.tool-btn[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{width:18px;height:18px}.tool-btn[data-astro-cid-3ef6ksr2]:hover{background:var(--paper-alt)}.hd-act[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}.hd-btn[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:2px solid #1A1714;border-radius:10px;font-weight:700;font-size:15px;text-decoration:none;white-space:nowrap;transition:transform .15s ease,box-shadow .15s ease}.hd-btn--line[data-astro-cid-3ef6ksr2]{background:var(--paper-raised);color:var(--ink-strong);border-color:var(--ink-strong)}.hd-btn--primary[data-astro-cid-3ef6ksr2]{background:#ffc21a;color:#1a1714;box-shadow:3px 3px #1a1714}.hd-btn--primary[data-astro-cid-3ef6ksr2]:hover{transform:translate(-1px,-1px);box-shadow:4px 4px #1a1714}.nav-news-mobile[data-astro-cid-3ef6ksr2]{display:none}@media(max-width:1199px){.nav-news[data-astro-cid-3ef6ksr2]{display:none}.v3-nav-link[data-astro-cid-3ef6ksr2],.v3-dd-trigger[data-astro-cid-3ef6ksr2]{padding:8px 9px;font-size:15px}}@media(prefers-color-scheme:dark){html:not([data-theme=light]) .v3-dd-menu[data-astro-cid-3ef6ksr2]{border-color:var(--line-strong);box-shadow:4px 4px #0b1528}html:not([data-theme=light]) .hd-btn--primary[data-astro-cid-3ef6ksr2]{border-color:#ffc21a;box-shadow:3px 3px #0b1528}}html[data-theme=dark] .v3-dd-menu[data-astro-cid-3ef6ksr2]{border-color:var(--line-strong);box-shadow:4px 4px #0b1528}html[data-theme=dark] .hd-btn--primary[data-astro-cid-3ef6ksr2]{border-color:#ffc21a;box-shadow:3px 3px #0b1528}.hamburger[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0 10px;background:var(--paper-raised);border:2px solid var(--ink-strong);border-radius:10px;cursor:pointer;z-index:1001}.hamburger-line[data-astro-cid-3ef6ksr2]{display:block;width:20px;height:2px;margin:2.5px 0;background:var(--ink-strong);transition:transform .2s ease,opacity .2s ease}.icon-link[data-astro-cid-3ef6ksr2]{color:var(--annot)}.icon-link[data-astro-cid-3ef6ksr2]:hover{color:var(--accent)}@media(max-width:1023px){.v3-logo[data-astro-cid-3ef6ksr2]{font-size:17px}.v3-logo-mark[data-astro-cid-3ef6ksr2]{font-size:16px}.hd-btn[data-astro-cid-3ef6ksr2]{font-size:15px;padding:0 14px}.nav-panel[data-astro-cid-3ef6ksr2]{position:fixed;top:var(--header-height);left:0;right:0;flex-direction:column;align-items:stretch;background:var(--paper-raised);padding:1rem 1.25rem 2rem;border-bottom:2px solid var(--ink-strong);transform:translateY(-120%);transition:transform .3s ease;max-height:calc(100vh - var(--header-height));overflow-y:auto;-webkit-overflow-scrolling:touch}.nav-panel[data-astro-cid-3ef6ksr2].active{display:flex!important;transform:translateY(0)}.hamburger[data-astro-cid-3ef6ksr2]{display:inline-flex}.nav-main[data-astro-cid-3ef6ksr2]{flex-direction:column;align-items:stretch;margin:0}.v3-nav-link[data-astro-cid-3ef6ksr2],.v3-dd-trigger[data-astro-cid-3ef6ksr2]{width:100%;justify-content:center;font-size:17px;padding:12px}.v3-dd-menu[data-astro-cid-3ef6ksr2]{position:static;box-shadow:none;border:0;padding:0;background:transparent;margin:0}.v3-dd-menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-align:center}.nav-tools[data-astro-cid-3ef6ksr2]{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}.nav-news-mobile[data-astro-cid-3ef6ksr2]{display:inline-flex;width:100%;margin-top:12px}}@media(max-width:420px){.hd-in[data-astro-cid-3ef6ksr2],.hd-act[data-astro-cid-3ef6ksr2]{gap:8px}.hd-btn[data-astro-cid-3ef6ksr2]{padding:0 12px}}.hamburger-active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.hamburger-active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}footer[data-astro-cid-sz7xmlte].v2-footer{background:var(--surface-dark);color:#ffffffb3;border-top:1px solid rgba(255,255,255,.1)}.footer-grid[data-astro-cid-sz7xmlte]{border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand[data-astro-cid-sz7xmlte]{font-family:var(--font-display);font-weight:700;color:var(--surface-dark-ink)}.footer-tagline[data-astro-cid-sz7xmlte]{color:#fff9}.footer-heading[data-astro-cid-sz7xmlte]{color:#ffffff80}body.v2 .footer-heading[data-astro-cid-sz7xmlte]{font-family:var(--font-body);font-size:.75rem;line-height:1rem;letter-spacing:.1em}.footer-link[data-astro-cid-sz7xmlte]{color:#ffffffb3}.footer-link[data-astro-cid-sz7xmlte]:hover{color:#ffc21a}.footer-social-icon[data-astro-cid-sz7xmlte]{background:#ffffff0f;border:1px solid rgba(255,255,255,.14);color:#ffffffb3}.footer-social-icon[data-astro-cid-sz7xmlte]:hover{background:#ffc21a;border-color:#ffc21a;color:#1a1714}.preferred-source[data-astro-cid-sz7xmlte]{width:100%;max-width:260px;min-height:60px}.mono[data-astro-cid-sz7xmlte]{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;color:#ffffff80}