:root,[data-mode=light]{--site-bg:var(--color-bg-base,#fff);--site-bg-alt:#f6f6f7;--site-bg-soft:#f1f1f3;--site-bg-elevated:var(--color-bg-surface,#fff);--site-text:var(--color-text-primary,#252529);--site-text-soft:color-mix(in oklch, var(--site-text) 72%, transparent);--site-text-muted:color-mix(in oklch, var(--site-text) 50%, transparent);--site-divider:color-mix(in oklch, var(--site-text) 14%, var(--site-bg));--site-divider-strong:color-mix(in oklch, var(--site-text) 22%, var(--site-bg));--site-grid:color-mix(in oklch, var(--site-text) 6%, transparent);--site-dot:color-mix(in oklch, var(--site-text) 14%, transparent);--site-accent:var(--color-primary,#365cff);--site-on-accent:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-mode=dark]{--site-bg:var(--color-bg-base-dark,#1b1b1f);--site-bg-alt:#161618;--site-bg-soft:#202127;--site-bg-elevated:var(--color-bg-surface-dark,#24252b);--site-text:var(--color-text-dark,#f1f1f3);--site-text-soft:color-mix(in oklch, var(--site-text) 66%, transparent);--site-text-muted:color-mix(in oklch, var(--site-text) 42%, transparent);--site-divider:color-mix(in oklch, var(--site-text) 16%, var(--site-bg));--site-divider-strong:color-mix(in oklch, var(--site-text) 26%, var(--site-bg));--site-grid:color-mix(in oklch, var(--site-text) 7%, transparent);--site-dot:color-mix(in oklch, var(--site-text) 16%, transparent);--site-accent:var(--color-dark,#80a5ff);--site-on-accent:#101114;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root{--site-header-height:4rem;--site-layout-width:96rem;--site-home-width:84rem;--site-transition:.23s cubic-bezier(.3, .76, .27, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--site-header-height) + 2rem)}body{background:var(--site-bg);color:var(--site-text);transition:background-color var(--site-transition), color var(--site-transition);margin:0;font-family:Punctuation SC,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Noto Sans CJK SC,Noto Sans SC,Microsoft YaHei,sans-serif;font-size:1rem;line-height:1.5}body::selection{background:color-mix(in oklch, var(--site-accent) 28%, transparent)}body ::selection{background:color-mix(in oklch, var(--site-accent) 28%, transparent)}:where(a,button):focus-visible{outline:2px solid var(--site-accent);outline-offset:3px}.site-app{background:var(--site-bg);min-height:100dvh;color:var(--site-text)}.site-app *{box-shadow:none;text-shadow:none;border-radius:0}.site-header{z-index:100;height:var(--site-header-height);border-bottom:1px solid var(--site-divider);background:var(--site-bg);position:sticky;top:0}.site-header-inner{width:min(100%, var(--site-layout-width));justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 2rem;display:flex}.site-brand{min-width:0;color:var(--site-text);letter-spacing:.08em;white-space:nowrap;align-items:center;gap:.75rem;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.site-brand-mark{width:2rem;height:2rem;color:var(--site-accent);place-items:center;display:grid}.site-status{border:1px solid color-mix(in oklch, var(--site-accent) 34%, var(--site-divider));background:color-mix(in oklch, var(--site-accent) 8%, transparent);height:1.5rem;color:var(--site-accent);letter-spacing:.04em;align-items:center;padding:0 .5rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.6875rem;font-weight:700;display:inline-flex}.site-header-nav{align-items:center;gap:.25rem;display:flex}.site-header-link,.site-header-action{min-height:2.25rem;color:var(--site-text-soft);font:inherit;cursor:pointer;transition:border-color var(--site-transition), background-color var(--site-transition), color var(--site-transition);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0 .75rem;font-size:.875rem;font-weight:600;text-decoration:none;display:inline-flex}.site-header-link:hover,.site-header-action:hover{border-color:var(--site-divider);background:var(--site-bg-soft);color:var(--site-text)}.site-mobile-menu-button{border:1px solid var(--site-divider);height:2.5rem;color:var(--site-text);cursor:pointer;background:0 0;display:none}.site-mobile-menu-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}.site-mobile-menu-nav .site-header-link,.site-mobile-menu-nav .site-header-action{border-color:var(--site-divider)}.site-home{background:var(--site-bg);position:relative;overflow:clip}.site-home-rail{width:min(calc(100% - 3rem), var(--site-home-width));border-right:1px solid var(--site-divider);border-left:1px solid var(--site-divider);margin:0 auto;position:relative}.site-home-rail:before{z-index:0;background-image:linear-gradient(var(--site-grid) 1px, transparent 1px), linear-gradient(90deg, var(--site-grid) 1px, transparent 1px);content:"";pointer-events:none;background-size:5rem 5rem;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 52rem);mask-image:linear-gradient(#000,#0000 52rem)}.site-hero{z-index:1;min-height:calc(100dvh - var(--site-header-height));border-bottom:1px solid var(--site-divider);grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;display:grid;position:relative}.site-hero-copy{padding:5rem 3.5rem}.site-eyebrow,.site-section-kicker{color:var(--site-accent);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.75rem;font-weight:700;display:inline-flex}.site-eyebrow:before,.site-section-kicker:before{content:"";background:currentColor;width:1.5rem;height:1px}.site-hero-title{letter-spacing:-.06em;max-width:10ch;margin:1.5rem 0 1.25rem;font-size:clamp(4rem,8vw,7.5rem);font-weight:500;line-height:.92}.site-hero-description{max-width:34rem;color:var(--site-text-soft);text-wrap:pretty;margin:0;font-size:clamp(1rem,1.5vw,1.125rem);line-height:1.8}.site-button-row{flex-wrap:wrap;gap:.75rem;margin-top:2.25rem;display:flex}.site-button{isolation:isolate;border:1px solid var(--site-divider-strong);min-height:3rem;color:var(--site-text);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:0 1.25rem;font-size:.875rem;font-weight:700;text-decoration:none;display:inline-flex;position:relative;overflow:clip}.site-button:before{z-index:-1;background:color-mix(in oklch, var(--site-accent) 12%, transparent);content:"";transform-origin:100%;transition:transform 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a{color:var(--site-text-soft);text-decoration:underline;-webkit-text-decoration-color:color-mix(in oklch, currentColor 35%, transparent);text-decoration-color:color-mix(in oklch, currentColor 35%, transparent);text-underline-offset:.2em}.site-footer a:hover{color:var(--site-accent);-webkit-text-decoration-color:var(--site-accent);text-decoration-color:var(--site-accent)}@media (width<=63.999rem){.site-header-inner{padding:0 1rem}.site-header-nav{display:none}.site-mobile-menu-button{place-items:center;display:inline-grid}.site-hero{grid-template-columns:1fr}.site-hero-copy{padding:5rem 2rem 3rem}.site-section{padding:7rem 2rem}}@media (width<=47.999rem){.site-status{display:none}.site-home-rail{width:calc(100% - 1rem)}.site-hero-copy{padding:4rem 1.25rem 2.5rem}.site-section{padding:6rem 1.25rem}.site-section-heading{grid-template-columns:1fr;gap:.75rem}.site-footer{padding:3rem 1.25rem 2rem}}:root{--color-primary:oklch(46.7% .296 264.886);--color-dark:oklch(84.5% .153 80.597);--color-bg-base:oklch(96.7% .015 264.9);--color-bg-surface:oklch(98.5% .005 80.6);--color-bg-overlay:oklch(95.5% .005 80.6);--color-bg-highlight:oklch(98% .009 264.9);--color-bg-base-dark:oklch(15% .012 80.6);--color-bg-surface-dark:oklch(22% .009 95.6);--color-bg-overlay-dark:oklch(19% .008 80.6);--color-bg-highlight-dark:oklch(8% .006 80.6);--color-text-primary:oklch(14.4% .015 264.9);--color-text-dark:oklch(91.7% .038 80.6);--color-text-on-primary:oklch(88.3% .043 80.6);--color-text-on-dark:oklch(18.9% .05 264.9);--anytdf-logo-primary:var(--color-primary);--anytdf-logo-dark:var(--color-dark);--portal-product-logo-base:var(--anytdf-logo-primary);--portal-product-logo-layer:var(--anytdf-logo-dark)}:root,[data-mode=light],[data-mode=primary]{--site-bg-alt:var(--color-bg-highlight);--site-bg-soft:var(--color-bg-overlay);--site-bg-elevated:var(--color-bg-surface);--site-text:var(--color-text-primary);--site-text-soft:color-mix(in oklch, var(--color-text-primary) 72%, var(--color-bg-base));--site-text-muted:color-mix(in oklch, var(--color-text-primary) 52%, var(--color-bg-base));--site-on-accent:var(--color-text-on-primary);--site-code-bg:var(--color-bg-highlight);--site-code-text:var(--color-text-primary)}[data-mode=dark]{--site-bg-alt:var(--color-bg-highlight-dark);--site-bg-soft:var(--color-bg-overlay-dark);--site-bg-elevated:var(--color-bg-surface-dark);--site-text:var(--color-text-dark);--site-text-soft:color-mix(in oklch, var(--color-text-dark) 72%, var(--color-bg-base-dark));--site-text-muted:color-mix(in oklch, var(--color-text-dark) 52%, var(--color-bg-base-dark));--site-on-accent:var(--color-text-on-dark);--site-code-bg:var(--color-bg-highlight-dark);--site-code-text:var(--color-text-dark);--portal-product-logo-base:var(--anytdf-logo-dark);--portal-product-logo-layer:var(--anytdf-logo-primary)}body{overflow-x:hidden}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}:where(a,button){touch-action:manipulation}.portal-brand-group{align-items:center;gap:1rem;min-width:0;display:flex}.portal-brand-mark svg{width:2rem;height:2rem}.portal-logo-primary{fill:var(--portal-product-logo-base)}.portal-menu-button{width:2.75rem;padding-inline:0}.portal-icon-action{gap:.5rem}.portal-header-icon-only{width:2.25rem;padding-inline:0}.portal-action-icon{flex:none;place-items:center;width:1rem;height:1rem;display:grid}.portal-action-icon svg{grid-area:1/1;width:1rem;height:1rem}.portal-action-icon svg:not(.portal-header-symbol),.portal-inline-icon,.portal-card-icon,.portal-layer-icon{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2px}.portal-inline-icon{width:1rem;height:1rem;transition:transform var(--site-transition);flex:none}.portal-header-symbol{fill:currentColor;stroke:none;flex:none;width:1.25rem;height:1.25rem}.portal-header-language-symbol{width:1rem;height:1rem}.portal-theme-control{position:relative}.portal-theme-popover{z-index:110;border:1px solid var(--site-divider);background:var(--site-bg-elevated);border-radius:.75rem;width:min(36rem,100vw - 2rem);max-height:min(36rem,100dvh - 6rem);padding:.75rem;position:absolute;top:calc(100% + .5rem);right:0;overflow:hidden;box-shadow:0 1rem 3rem #00000024}.site-mobile-menu-nav[hidden],.portal-theme-popover[hidden],.portal-mobile-theme-panel[hidden]{display:none}.portal-theme-popover-header,.portal-mobile-theme-header{border-bottom:1px solid var(--site-divider);justify-content:space-between;align-items:center;gap:1rem;padding-bottom:.75rem;display:flex}.portal-theme-popover-header strong,.portal-theme-copy strong{color:var(--site-text);font-size:.875rem;display:block}.portal-theme-popover-header small,.portal-theme-copy small{color:var(--site-text-muted);margin-top:.125rem;font-size:.75rem;display:block}.portal-mode-switch{background:color-mix(in oklch, var(--site-text) 6%, transparent);border-radius:.25rem;flex:none;align-items:center;gap:.125rem;padding:.125rem;display:flex}.portal-mode-option{width:1.75rem;height:1.75rem;color:var(--site-text-muted);cursor:pointer;background:0 0;border:0;border-radius:.1875rem;place-items:center;padding:0;transition:background-color .15s,color .15s,transform .15s;display:grid}.portal-mode-option:hover{background:color-mix(in oklch, var(--site-text) 5%, transparent);color:var(--site-text-soft)}.portal-mode-option.is-active{background:color-mix(in oklch, var(--site-accent) 12%, transparent);color:var(--site-accent)}.portal-mode-option.is-clicked{transform:scale(.75)}.portal-mode-option svg{width:1.25rem;height:1.25rem}.portal-theme-options{overscroll-behavior:contain;grid-template-columns:repeat(3,minmax(0,1fr));gap:.25rem;max-height:25rem;margin-top:.75rem;padding-right:.25rem;display:grid;overflow-y:auto}.portal-theme-option{border:1px solid var(--site-divider);min-width:0;min-height:2.25rem;color:var(--site-text-soft);font:inherit;text-align:left;cursor:pointer;transition:border-color var(--site-transition), background-color var(--site-transition), color var(--site-transition);background:0 0;border-radius:.25rem;grid-template-columns:1.5rem minmax(0,1fr) .75rem;align-items:center;gap:.5rem;padding:.375rem .5rem;display:grid}.portal-theme-option:hover{border-color:color-mix(in oklch, var(--site-accent) 32%, var(--site-divider));color:var(--site-text)}.portal-theme-option.is-active{border-color:color-mix(in oklch, var(--site-accent) 62%, var(--site-divider));background:color-mix(in oklch, var(--site-accent) 6%, transparent);color:var(--site-text)}.portal-theme-swatch{border:1px solid var(--site-divider);border-radius:.1875rem;width:1.5rem;height:1rem;display:flex;overflow:hidden}.portal-theme-swatch>span{place-items:center;width:50%;display:grid}.portal-theme-swatch-light{background:#f3f4f6}.portal-theme-swatch-dark{background:#1f2937}.portal-theme-swatch i{border-radius:50%;width:.5rem;height:.5rem;display:block}.portal-theme-option-label{text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;font-weight:500;overflow:hidden}.portal-theme-selected-mark{color:var(--site-accent);opacity:0;font-size:.75rem}.portal-theme-option.is-active .portal-theme-selected-mark{opacity:1}.portal-theme-entry{justify-content:space-between}.portal-mobile-theme-panel{min-width:0}.portal-mobile-theme-header{align-items:flex-start}.portal-mobile-theme-header>.site-header-action{border-color:var(--site-divider);flex:none;min-height:2rem;padding-inline:.5rem}.portal-mobile-theme-header .portal-theme-copy{flex:1;min-width:0}.portal-mobile-theme-panel .portal-mode-option svg{width:1rem;height:1rem}.portal-mobile-theme-options{max-height:calc(100dvh - var(--site-header-height) - 6rem);grid-template-columns:repeat(2,minmax(0,1fr))}.portal-link-with-icon,.portal-button-with-icon{gap:.5rem}.portal-link-with-icon:hover [data-lucide=external-link],.portal-button-with-icon:hover [data-lucide=external-link],.portal-product-actions a:hover [data-lucide=external-link],.portal-motion-packages>a:hover [data-lucide=external-link],.portal-resource-card:hover [data-lucide=external-link],.portal-cta-links a:hover [data-lucide=external-link]{transform:translate(.125rem,-.125rem)}.portal-menu-icon-close,.portal-menu-button[aria-expanded=true] .portal-menu-icon-open{display:none}.portal-menu-button[aria-expanded=true] .portal-menu-icon-close{display:block}.site-mobile-menu-nav .portal-icon-action{justify-content:flex-start}.has-mobile-menu,.has-mobile-menu body{overflow:hidden}.portal-mobile-menu{top:var(--site-header-height);z-index:95;max-height:calc(100dvh - var(--site-header-height));overscroll-behavior:contain;border-bottom:1px solid var(--site-divider);background:var(--site-bg);padding:1rem;display:none;position:fixed;left:0;right:0;overflow-y:auto}.has-support-dialog,.has-support-dialog body{overflow:hidden}.portal-support-overlay{z-index:1000;padding:max(1.5rem, env(safe-area-inset-top)) max(1.5rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1.5rem, env(safe-area-inset-left));-webkit-backdrop-filter:blur(.25rem);backdrop-filter:blur(.25rem);background:#0003;place-items:center;animation:.18s ease-out portal-support-backdrop-in;display:grid;position:fixed;inset:0}.portal-support-overlay[hidden]{display:none}.portal-support-panel{overscroll-behavior:contain;border:1px solid var(--site-divider-strong);background:var(--site-bg);width:min(50rem,100%);max-height:min(48rem,100dvh - 3rem);color:var(--site-text);border-radius:.75rem;padding:2rem;animation:.32s cubic-bezier(.22,1,.36,1) portal-support-panel-in;overflow-y:auto;box-shadow:0 1.5rem 5rem #0000003d}.portal-support-header{justify-content:space-between;align-items:flex-start;gap:1.5rem;display:flex}.portal-support-header h2{margin:.5rem 0 0;font-size:1.5rem;line-height:1.2}.portal-support-header-actions{align-items:center;gap:.75rem;display:flex}.portal-support-stars{height:1.25rem;display:block}.portal-support-stars img{width:auto;height:100%;display:block}.portal-support-close{border:1px solid var(--site-divider);width:2.25rem;height:2.25rem;color:var(--site-text-soft);cursor:pointer;transition:border-color var(--site-transition), background-color var(--site-transition), color var(--site-transition);background:0 0;border-radius:.375rem;place-items:center;padding:0;display:grid}.portal-support-close:hover{border-color:var(--site-divider-strong);background:var(--site-bg-soft);color:var(--site-text)}.portal-support-close svg{width:1rem;height:1rem}.portal-support-intro{color:var(--site-text-muted);margin-top:2rem;font-size:.75rem}.portal-support-intro p{margin:0}.portal-support-intro p+p{color:var(--site-text-soft);margin-top:.5rem;font-size:.875rem;font-weight:700}.portal-support-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;margin-top:2.5rem;display:grid}.portal-support-method{border:1px solid var(--site-divider);min-width:0;min-height:10rem;color:var(--site-text);font:inherit;text-align:center;cursor:pointer;transition:border-color var(--site-transition);background:0 0;border-radius:.5rem;place-items:center;padding:1rem;text-decoration:none;display:grid;position:relative;overflow:hidden}.portal-support-method:hover,.portal-support-method:focus-visible,.portal-support-method.is-active{border-color:color-mix(in oklch, var(--site-accent) 55%, var(--site-divider))}.portal-support-method-icon{place-items:center;width:2rem;height:2rem;display:grid}.portal-support-method-icon-coffee{width:1.5rem}.portal-support-method-icon-wechat{width:2.5rem}.portal-support-method-icon img{object-fit:contain;width:100%;height:100%;display:block}.portal-support-method-detail,.portal-support-payment-code{background:var(--site-bg);opacity:0;border-radius:.375rem;flex-direction:column;justify-content:center;align-items:center;gap:.375rem;padding:.75rem;transition:opacity .5s;display:flex;position:absolute;inset:.25rem}.portal-support-method:hover .portal-support-method-detail,.portal-support-method:focus-visible .portal-support-method-detail{opacity:.96}@media (hover:none){.portal-support-method-detail{opacity:1;background:0 0;padding:0;position:static}}.portal-support-method-detail strong{font-size:.875rem;line-height:1.35}.portal-support-method-detail small,.portal-support-payment-code small{color:var(--site-text-muted);font-size:.6875rem;line-height:1.4}.portal-support-payment-code{opacity:1;display:none}.portal-support-payment-code img{object-fit:contain;width:min(7.25rem,78%);height:auto;display:block}.portal-support-payment.is-active .portal-support-method-icon,.portal-support-payment.is-active .portal-support-method-detail{display:none}.portal-support-payment.is-active .portal-support-payment-code{display:flex}.portal-support-note{color:var(--site-text-muted);margin:2rem 0 0;font-size:.75rem}@keyframes portal-support-backdrop-in{0%{opacity:0}}@keyframes portal-support-panel-in{0%{opacity:0;transform:translateY(-3rem)}}.portal-hero-title{max-width:none;font-size:clamp(4.5rem,9vw,8.5rem)}.portal-hero-note{border-top:1px solid var(--site-divider);max-width:34rem;color:var(--site-text-muted);letter-spacing:.04em;align-items:center;gap:1rem;margin-top:3rem;padding-top:1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.75rem;display:flex}.portal-hero-note p{margin:0}.portal-hero-visual{place-items:center;padding:3rem;display:grid}.portal-hero-visual:before{background-image:radial-gradient(circle, var(--site-dot) 1px, transparent 1px);content:"";background-size:.625rem .625rem;position:absolute;inset:2rem;-webkit-mask-image:radial-gradient(circle,#000 28%,#0000 76%);mask-image:radial-gradient(circle,#000 28%,#0000 76%)}.portal-hero-scroll{--stack-progress:0}.portal-stack{--p:var(--stack-progress,0);--stack-zoom:1.2;--plate-size:calc(16rem * var(--stack-zoom));--plate-t:calc(1.2rem * var(--stack-zoom));--f1:clamp(0, (var(--p) - .08) / .24, 1);--f2:clamp(0, (var(--p) - .38) / .24, 1);--f3:clamp(0, (var(--p) - .68) / .24, 1);--f4:clamp(0, (var(--p) - .9) / .1, 1);--z-renderers:calc((1.55rem + var(--f2) * 4.45rem + var(--f3) * 7rem) * var(--stack-zoom));--z-app:calc((3.1rem + var(--f1) * 11.45rem + var(--f2) * 4.45rem - var(--f3) * 4.45rem) * var(--stack-zoom));--z-core:calc(var(--f4) * 11.45rem * var(--stack-zoom));--scene-top:62%;--render-split:calc(clamp(0, var(--f2) / .35, 1) * (1 - var(--f3)));--sel-1:clamp(0, (1.2 - var(--f2) * 3) / .4, 1);--sel-2:calc(clamp(0, (var(--f2) * 3 - .8) / .4, 1) * (1 - clamp(0, (var(--f2) * 3 - 1.8) / .4, 1)));--sel-3:clamp(0, (var(--f2) * 3 - 1.8) / .4, 1);--core-glow:clamp(0, (var(--p) - .72) / .2, 1);--c-app:clamp(0, (var(--p) - .1) / .12, 1);--c-renderers:clamp(0, (var(--p) - .42) / .12, 1);--c-core:clamp(0, (var(--p) - .72) / .12, 1);--a-app:calc(var(--c-app) * (1 - var(--c-renderers)));--a-renderers:calc(var(--c-renderers) * (1 - var(--c-core)));--a-core:var(--c-core);z-index:1;width:100%;height:100%;position:relative}.portal-architecture-header{border-bottom:1px solid var(--site-divider);min-height:3rem;color:var(--site-text-muted);letter-spacing:.08em;justify-content:space-between;align-items:center;gap:1rem;padding:0 1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.6875rem;font-weight:700;display:flex}.portal-stack-stage{height:100%;position:relative}.portal-stack-captions{z-index:2;position:absolute;inset:0 1.25rem}.portal-stack-caption{border-top:1px solid var(--site-divider);width:11.5rem;opacity:calc(var(--c) * (1 - var(--f4)));transform:translateX(calc((1 - var(--c)) * -.75rem));gap:.1875rem;padding-top:.625rem;display:grid;position:absolute;left:0}[data-stack-caption=renderers]{transform:translateX(calc((1 - var(--c)) * 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9.9rem + var(--render-split) * 2.47rem)}[data-stack-leader=renderers]:after{left:-.05rem;right:auto}[data-stack-leader=core]{--z:var(--z-core);--c:var(--c-core);--a:var(--a-core)}[data-stack-caption=app]{--c:var(--c-app);--a:var(--a-app);top:calc(var(--scene-top) - var(--z-app) * .866)}[data-stack-caption=renderers]{--c:var(--c-renderers);--a:var(--a-renderers);top:calc(var(--scene-top) - var(--z-renderers) * .866)}[data-stack-caption=core]{--c:var(--c-core);--a:var(--a-core);top:calc(var(--scene-top) - var(--z-core) * .866)}.portal-stack-caption span,.portal-stack-plate-label,.portal-stack-plate-sub,.portal-stack-plate-chip,.portal-stack-hint,.portal-product-topline,.portal-card-code{color:var(--site-text-muted);letter-spacing:.08em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.6875rem;font-weight:700}.portal-stack-scene{top:var(--scene-top);width:36rem;height:36rem;transform-style:preserve-3d;margin:-18rem 0 0 -18rem;position:absolute;left:50%;transform:rotateX(60deg)rotate(-45deg)}.portal-stack-layer{transform-style:preserve-3d;position:absolute;inset:0}.portal-stack-shadow{width:calc(var(--plate-size) * 1.2);height:calc(var(--plate-size) * 1.2);filter:blur(.5rem);opacity:.55;background:radial-gradient(closest-side,#00000052,#0000 72%);margin:auto;position:absolute;inset:0;transform:translateZ(-1rem)}html[data-mode=dark] .portal-stack-shadow{opacity:.9}.portal-stack-glow{width:calc(var(--plate-size) * 1.15);height:calc(var(--plate-size) * 1.15);background:radial-gradient(closest-side, color-mix(in oklch, var(--site-accent) 42%, transparent), transparent 72%);filter:blur(1rem);opacity:calc(var(--core-glow) * (1 - var(--f4)));margin:auto;position:absolute;inset:0;transform:translateZ(-.55rem)}.portal-stack-plate{border:1px solid var(--site-divider-strong);background:var(--site-bg);transform-style:preserve-3d;margin:auto;position:absolute;inset:0}.portal-stack-plate:before,.portal-stack-plate:after{background:color-mix(in oklch, var(--site-bg) 90%, var(--site-text) 10%);content:"";position:absolute}.portal-stack-plate:before{width:calc(100% + 2px);height:var(--plate-t);border:1px solid var(--site-divider-strong);transform-origin:top;border-top:0;top:calc(100% + 1px);left:-1px;transform:rotateX(-90deg)}.portal-stack-plate:after{width:var(--plate-t);border:1px solid var(--site-divider-strong);background:color-mix(in oklch, var(--site-bg) 84%, var(--site-text) 16%);transform-origin:100%;border-right:0;height:calc(100% + 2px);top:-1px;right:calc(100% + 1px);transform:rotateY(-90deg)}.portal-stack-plate-label,.portal-stack-plate-sub{position:absolute;left:.75rem}.portal-stack-plate-label{color:var(--site-text);top:.625rem}.portal-stack-plate-sub{font-weight:400;bottom:.625rem}.portal-stack-plate-core,.portal-stack-plate-app{width:var(--plate-size);height:var(--plate-size)}.portal-stack-plate-core{border-color:color-mix(in oklch, var(--site-accent) 45%, var(--site-divider-strong));background:color-mix(in oklch, var(--site-accent) 7%, var(--site-bg))}.portal-stack-plate-core .portal-stack-plate-label{color:var(--site-accent)}.portal-stack-core-grid{background-image:radial-gradient(circle, color-mix(in oklch, var(--site-accent) 55%, transparent) 1px, transparent 1px);width:45%;height:45%;opacity:calc(.35 + clamp(0, (var(--f3) - .3) / .3, 1) * .65);background-size:.5rem .5rem;position:absolute;bottom:.875rem;right:.875rem;-webkit-mask-image:linear-gradient(to top left,#000 40%,#0000 85%);mask-image:linear-gradient(to top left,#000 40%,#0000 85%)}.portal-stack-core-tokens{gap:.375rem;display:flex;position:absolute;top:2.1rem;left:.75rem}.portal-stack-core-tokens b{--d:.1;border:1px solid color-mix(in oklch, var(--site-accent) 32%, var(--site-divider));color:var(--site-text-soft);letter-spacing:.04em;opacity:clamp(0, (var(--f3) - var(--d)) / .25, 1);transform:translateY(calc((1 - clamp(0, (var(--f3) - var(--d)) / .25, 1)) * .4rem));padding:.15rem .4rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.6rem;font-weight:400}.portal-stack-core-tokens b:nth-child(2){--d:.2}.portal-stack-core-tokens b:nth-child(3){--d:.3}.portal-stack-core-tokens b:nth-child(4){--d:.4}.portal-stack-core-rows{gap:.55rem;display:grid;position:absolute;top:4.4rem;left:.75rem}.portal-stack-core-rows i{--d:.15;background:var(--site-divider-strong);width:5.2rem;height:1px;opacity:clamp(0, (var(--f3) - var(--d)) / .25, 1);transform:translateX(calc((1 - clamp(0, (var(--f3) - var(--d)) / .25, 1)) * -.5rem));display:block;position:relative}.portal-stack-core-rows i:before{background:var(--site-accent);content:"";width:.3rem;height:.3rem;position:absolute;top:-.14rem;left:-.55rem}.portal-stack-core-rows i:nth-child(2){--d:.25}.portal-stack-core-rows i:nth-child(3){--d:.35}.portal-stack-core-stripes{background-image:repeating-linear-gradient(90deg, color-mix(in oklch, var(--site-accent) 45%, transparent) 0 2px, transparent 2px .5rem);width:42%;height:2.2rem;transform:scaleX(clamp(0, (var(--f3) - .45) / .3, 1));transform-origin:0;position:absolute;bottom:.875rem;left:.75rem;-webkit-mask-image:linear-gradient(90deg,#000 55%,#0000 96%);mask-image:linear-gradient(90deg,#000 55%,#0000 96%)}.portal-stack-plate-chip{border:1px solid color-mix(in oklch, var(--site-accent) 45%, var(--site-divider));color:var(--site-accent);opacity:clamp(0, (var(--f3) - .05) / .25, 1);padding:.1rem .4rem;position:absolute;top:.625rem;right:.75rem}.portal-stack-plate-app .portal-stack-plate-label{color:var(--site-text-soft)}.portal-stack-app-topbar,.portal-stack-app-block,.portal-stack-app-list,.portal-stack-app-button{position:absolute}.portal-stack-app-topbar{border:1px solid var(--site-divider-strong);background-image:radial-gradient(circle, var(--site-text-muted) 1px, transparent 1px);background-position:right .35rem center;background-repeat:repeat-x;background-size:.55rem .55rem;height:.875rem;top:2.1rem;left:.75rem;right:.75rem}.portal-stack-app-block{border:1px solid var(--site-divider-strong);background:color-mix(in oklch, var(--site-bg-soft) 60%, transparent)}.portal-stack-app-block-a{background-image:linear-gradient(to top, color-mix(in oklch, var(--site-text) 14%, transparent), transparent 62%);width:54%;height:36%;top:3.5rem;left:.75rem}.portal-stack-app-block-b{width:31%;height:16.5%;top:3.5rem;right:.75rem}.portal-stack-app-block-c{width:31%;height:16.5%;top:calc(3.5rem + 19.5%);right:.75rem}.portal-stack-app-list{border-top:1px solid var(--site-divider);background-image:repeating-linear-gradient(to bottom, var(--site-divider) 0 1px, transparent 1px .625rem);height:2.5rem;bottom:3.1rem;left:.75rem;right:.75rem}.portal-stack-app-list:after{width:calc(clamp(0, (var(--f1) - .5) / .3, 1) * 42%);border-right:1px solid var(--site-accent);background:color-mix(in oklch, var(--site-accent) 14%, transparent);content:"";position:absolute;top:0;bottom:0;left:0}.portal-stack-app-bars{align-items:flex-end;gap:.35rem;width:42%;height:26%;display:flex;position:absolute;top:4.4rem;left:1.5rem}.portal-stack-app-bars i{--d:.05;background:color-mix(in oklch, var(--site-accent) 55%, var(--site-bg));transform:scaleY(clamp(0, (var(--f1) - var(--d)) / .25, 1));transform-origin:bottom;flex:1}.portal-stack-app-bars i:first-child{height:45%}.portal-stack-app-bars i:nth-child(2){--d:.15;height:75%}.portal-stack-app-bars i:nth-child(3){--d:.25;height:58%}.portal-stack-app-bars i:nth-child(4){--d:.35;height:92%}.portal-stack-app-button{--e:clamp(0, (var(--f1) - .3) / .3, 1);background:var(--site-accent);width:4.5rem;height:1.4rem;box-shadow:0 0 0 calc(var(--e) * .35rem) color-mix(in oklch, var(--site-accent) 28%, transparent);transform:translateX(calc((1 - var(--e)) * -.5rem));bottom:1rem;left:.75rem}[data-stack-layer=core]{transform:translateZ(var(--z-core))}[data-stack-layer=renderers]{transform:translateZ(var(--z-renderers))}[data-stack-layer=app]{transform:translateZ(var(--z-app))}.portal-stack-plate-renderer{--dim:calc(1 - var(--render-split) * (1 - var(--sel)) * .65);width:calc(var(--plate-size) / 3);height:var(--plate-size);border-color:color-mix(in oklch, var(--site-divider-strong), var(--site-accent) calc(var(--render-split) * (.15 + var(--sel) * .85) * 100%));background:color-mix(in oklch, var(--site-bg), var(--site-text) calc(var(--render-split) * (1 - var(--sel)) * 7%))}.portal-stack-plate-renderer .portal-stack-plate-label{color:var(--site-accent);top:auto;bottom:.625rem}.portal-stack-plate-renderer .portal-stack-plate-sub{top:.625rem;bottom:auto}.portal-stack-plate-renderer .portal-stack-plate-label,.portal-stack-plate-renderer .portal-stack-plate-sub,.portal-stack-plate-renderer .portal-stack-plate-rows{opacity:var(--dim)}.portal-stack-plate-logo{object-fit:contain;width:2.1rem;height:2.1rem;opacity:calc((.45 + clamp(0, (var(--f2) - .15) / .35, 1) * .55) * var(--dim));transform:translateX(-50%) scale(calc(.55 + clamp(0, (var(--f2) - .15) / .35, 1) * .45));display:block;position:absolute;top:30%;left:50%}.portal-stack-plate-logo-switch img{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.portal-stack-logo-dark,html[data-mode=dark] .portal-stack-logo-light{display:none}html[data-mode=dark] .portal-stack-logo-dark{display:block}.portal-stack-plate-rows{background-image:repeating-linear-gradient(to bottom, var(--site-divider-strong) 0 1px, transparent 1px .55rem);height:2.2rem;transform:scaleY(clamp(0, (var(--f2) - .35) / .3, 1));transform-origin:top;position:absolute;top:56%;left:.6rem;right:.6rem;-webkit-mask-image:linear-gradient(#000 30%,#0000 95%);mask-image:linear-gradient(#000 30%,#0000 95%)}.portal-stack-plate-renderer[data-renderer=svelte]{--sel:var(--sel-1);transform:translateX(calc(var(--plate-size) / -3 - var(--render-split) * 3.5rem)) translateZ(calc(var(--sel) * var(--render-split) * 1rem))}.portal-stack-plate-renderer[data-renderer=react]{--sel:var(--sel-2);transform:translateZ(calc(var(--sel) * var(--render-split) * 1rem))}.portal-stack-plate-renderer[data-renderer=vue]{--sel:var(--sel-3);transform:translateX(calc(var(--plate-size) / 3 + var(--render-split) * 3.5rem)) translateZ(calc(var(--sel) * var(--render-split) * 1rem))}.portal-stack-hint{opacity:calc(1 - clamp(0, var(--p) / .08, 1));position:absolute;bottom:.9rem;right:1.25rem}@media (width>=64rem){.portal-hero-scroll{block-size:360vh}.portal-hero-scroll .site-hero{top:var(--site-header-height);block-size:calc(100dvh - var(--site-header-height));position:sticky;overflow:clip}.portal-hero{grid-template-rows:auto minmax(0,1fr);grid-template-columns:none;align-items:stretch}.portal-hero .site-hero-copy{grid-template-columns:auto minmax(0,1fr);align-items:end;column-gap:4rem;padding:3.5rem 3.5rem 1.5rem;display:grid}.portal-hero .site-eyebrow{grid-column:1/-1}.portal-hero .portal-hero-title{grid-row:2/5;align-self:center;margin:1.25rem 0 0}.portal-hero .site-hero-description{grid-column:2;max-width:34rem;margin:0}.portal-hero .portal-hero-note{grid-column:2;max-width:34rem;margin-top:1.5rem}.portal-hero .portal-hero-visual{min-height:0;padding:1rem 3rem 2rem}}@media (width>=64rem) and (height<=52rem){.portal-stack{--plate-size:calc(15rem * var(--stack-zoom));--scene-top:64%;--z-renderers:calc((1.55rem + var(--f2) * 3.95rem + var(--f3) * 5.05rem) * var(--stack-zoom));--z-app:calc((3.1rem + var(--f1) * 9.45rem + var(--f2) * 3.95rem - var(--f3) * 4.35rem) * var(--stack-zoom));--z-core:calc(var(--f4) * 9.05rem * var(--stack-zoom))}}.portal-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}[data-product=svelte],[data-product=react],[data-product=vue]{--product-accent:var(--site-accent)}.portal-product-card{background:0 0;flex-direction:column;min-height:33rem;padding:0;display:flex;position:relative}.portal-product-topline{justify-content:space-between;align-items:center;padding:2rem 2rem 0;display:flex}.portal-framework-logo{object-fit:contain;flex:none;width:1.25rem;height:1.25rem}.portal-framework-logo-switch{display:block;position:relative}.portal-framework-logo-switch img{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.portal-framework-logo-dark,html[data-mode=dark] .portal-framework-logo-light{display:none}html[data-mode=dark] .portal-framework-logo-dark{display:block}.portal-product-identity{justify-content:space-between;align-items:center;gap:2rem;margin:3.5rem 1.5rem 1rem;display:flex}.portal-product-card h3{color:var(--product-accent);letter-spacing:-.05em;margin:0;font-size:clamp(2.5rem,5vw,4.25rem);font-weight:500}.portal-product-logo{aspect-ratio:1;flex:none;width:4rem;height:4rem}.portal-product-logo-base{fill:var(--portal-product-logo-base)}.portal-product-logo-detail{fill:var(--portal-product-logo-layer)}.portal-product-logo-lightning{color:var(--portal-product-logo-layer);stroke:currentColor;stroke-width:1px;stroke-dasharray:400;stroke-dashoffset:400px;animation:3s linear infinite paused portal-stdf-lightning}.portal-rtdf-orbit-motion{transform-box:view-box;transform-origin:50%;animation:8s linear infinite paused portal-rtdf-orbit-spin}.portal-vtdf-check-motion{fill:none;stroke:var(--portal-product-logo-layer);stroke-width:20px;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:2;stroke-dasharray:1;stroke-dashoffset:1px;animation:5s linear infinite paused portal-vtdf-check-draw}.portal-product-card.is-in-view .portal-product-logo-lightning,.portal-product-card.is-in-view .portal-rtdf-orbit-motion,.portal-product-card.is-in-view .portal-vtdf-check-motion{animation-play-state:running}.portal-product-logo-mask{mask-type:alpha}.portal-acronym-list{border-top:1px solid var(--site-divider);border-left:1px solid var(--site-divider);grid-template-columns:repeat(4,minmax(0,1fr));margin:0 1.5rem 1.5rem;display:grid}.portal-acronym-list div{border-right:1px solid var(--site-divider);border-bottom:1px solid var(--site-divider);min-width:0;padding:.625rem .5rem}.portal-acronym-list dt,.portal-acronym-list dd{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.portal-acronym-list dt{color:var(--product-accent);font-size:.875rem;font-weight:800}.portal-acronym-list 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