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var(--ease-out);position:relative}.spotlight-card:before{border-radius:inherit;content:"";pointer-events:none;opacity:0;background:radial-gradient(var(--spotlight-size) circle at var(--spot-x,50%) var(--spot-y,50%),var(--spotlight-accent),var(--transparent) 70%);z-index:-1;transition:opacity var(--duration-fast);position:absolute;inset:0}.thumb-image{aspect-ratio:1;border-radius:var(--radius-md);background:var(--bg-elevated);display:block;position:relative;overflow:hidden}.thumb-image img{object-fit:cover;width:100%;height:100%;display:block}.thumb-image>img:not(.thumb-image__placeholder){opacity:0;transition:opacity var(--duration-normal);position:absolute;inset:0}.thumb-image[data-native-reveal=true]>img:not(.thumb-image__placeholder),.thumb-image[data-loaded=true]>img:not(.thumb-image__placeholder){opacity:1}.thumb-image__placeholder{filter:blur(var(--space-xs));transform:scale(1.04)}.thumb-image__error{padding:var(--space-sm);background:var(--overlay);color:var(--on-overlay);font-size:var(--text-caption);text-align:center;position:absolute;inset:auto 0 0}.dialog{background:var(--transparent);width:100%;max-width:none;height:100dvh;max-height:none;color:var(--text-primary);border:0;margin:0;padding:0;overflow:clip}.dialog::backdrop{background:var(--overlay)}.dialog[open]{justify-content:center;align-items:flex-end;display:flex}.sheet{width:100%;max-width:var(--dialog-width);height:var(--sheet-height);background:var(--bg-elevated);border:var(--border-width) solid var(--border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;box-shadow:var(--shadow-lg);padding-bottom:calc((1 - var(--sheet-snap,1)) * var(--sheet-height) + env(safe-area-inset-bottom,0px));flex-direction:column;display:flex;position:relative}.sheet__handle{min-height:var(--touch-target);background:var(--transparent);width:100%;color:var(--text-muted);touch-action:none;border:0;flex-shrink:0;place-items:center;padding:0;display:grid}.sheet__handle>span{width:var(--space-xl);height:var(--space-xs);border-radius:var(--radius-full);background:currentColor}.sheet__heading{justify-content:space-between;align-items:center;gap:var(--space-md);padding:0 var(--space-lg) var(--space-md);display:flex}.sheet__content{padding:0 var(--space-lg) var(--space-xl);overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}.sheet__expand{margin:0 var(--space-lg) var(--space-lg)}.toast{z-index:var(--z-toast);bottom:calc(var(--space-md) + env(safe-area-inset-bottom,0px));left:var(--space-mobile);right:var(--space-mobile);align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-mobile);max-width:var(--dialog-width);border:var(--border-width) solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);background:var(--bg-elevated);color:var(--text-primary);animation:toast-in var(--duration-normal) var(--ease-out);margin:auto;display:flex;position:fixed}.toast p{min-width:0;font-size:var(--text-pill);flex:1}.toast__icon{color:var(--color-correct)}@keyframes toast-in{0%{opacity:0;transform:translateY(var(--space-md))}to{opacity:1;transform:translateY(0)}}.confetti{pointer-events:none;width:100%;height:100%;z-index:var(--z-confetti);position:fixed;inset:0}.command-trigger{justify-content:flex-start;align-items:center;gap:var(--space-sm);min-height:var(--control-height);width:100%;padding:var(--space-mobile) var(--space-md);border:var(--border-width) solid var(--border);border-radius:var(--radius-full);background:var(--bg-surface);color:var(--text-secondary);font-size:var(--text-pill);display:flex}.command-trigger span{text-align:left;flex:1}kbd{font-family:var(--font-mono);font-size:var(--text-caption);color:var(--text-secondary)}.command-trigger kbd{display:none}.dialog--command[open]{padding:var(--space-mobile);padding-top:calc(var(--space-lg) + env(safe-area-inset-top,0px));align-items:flex-start}.command-panel{width:100%;max-width:var(--dialog-width);max-height:calc(100dvh - var(--space-2xl) - env(safe-area-inset-bottom,0px));background:var(--bg-elevated);border:var(--border-width) solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);flex-direction:column;display:flex;overflow:hidden}.command-panel__search{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:var(--border-width) solid var(--border);display:flex}.command-panel input{width:100%;min-width:0;min-height:var(--touch-target);background:var(--transparent);color:var(--text-primary);border:0}.command-panel input::placeholder{color:var(--text-secondary)}.command-panel__results{padding:var(--space-sm);overflow:auto}.command-option{justify-content:space-between;align-items:center;gap:var(--space-sm);width:100%;min-height:var(--control-large);text-align:left;border-radius:var(--radius-sm);background:var(--transparent);color:var(--text-primary);padding:var(--space-mobile);border:0;display:flex}.command-option[aria-selected=true]{background:var(--bg-primary)}.command-option small{color:var(--text-secondary);font-size:var(--text-caption);display:block}.command-panel__empty,.command-panel__footer{padding:var(--space-md);color:var(--text-secondary)}.command-panel__footer{border-top:var(--border-width) solid var(--border)}@media(hover:hover)and (pointer:fine){.button:hover:not(:disabled){opacity:.85}.spotlight-card[data-interactive=true]:hover{transform:perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg))}.spotlight-card[data-interactive=true]:hover:before{opacity:.12}.pill:hover{color:var(--text-primary)}}@media(hover:none){.spotlight-card[data-interactive=true]:active{transform:scale(.97)}.spotlight-card:before{display:none}}@media(min-width:768px){.command-trigger{width:auto}.command-trigger kbd{display:inline}.dialog--command[open]{padding-top:var(--space-3xl)}.sheet{border-radius:var(--radius-xl) var(--radius-xl) 0 0}}@supports (background:color-mix(in oklch,red,blue)){.pill[aria-pressed=true]{background:color-mix(in oklch,var(--pill-color) 10%,var(--bg-surface))}}.word-route-loading{min-height:100dvh;padding:var(--space-lg);place-items:center;display:grid}.landing-placeholder{justify-content:center;align-items:center;gap:var(--space-lg);min-height:100dvh;padding:var(--space-xl) var(--space-lg);text-align:center;flex-direction:column;display:flex}.landing-title{color:var(--accent)}.landing-copy{max-width:var(--prose-width);color:var(--text-secondary)}.landing-status{padding:var(--space-mobile) var(--space-md);border:var(--border-width) solid var(--border);border-radius:var(--radius-full);color:var(--text-primary);background:var(--bg-surface);font-size:var(--text-pill)}.landing-footer{color:var(--text-secondary);font-size:var(--text-caption);margin-top:var(--space-xl)}.wechat-guide{z-index:var(--z-dialog);justify-content:center;align-items:center;gap:var(--space-lg);padding:var(--space-lg);text-align:center;background:var(--bg-primary);flex-direction:column;display:flex;position:fixed;inset:0}.wechat-guide p{color:var(--text-secondary);max-width:var(--prose-width)}.wechat-guide__menu{padding:var(--space-2xs) var(--space-sm);border-radius:var(--radius-sm);background:var(--bg-elevated);display:inline-block}.wechat-guide__arrow{top:calc(var(--space-lg) + env(safe-area-inset-top,0px));right:var(--space-lg);font-size:var(--text-h2);position:absolute}*,:before,:after{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent;scroll-padding-top:var(--space-2xl);overscroll-behavior:none}body{font-family:var(--font-body);font-size:var(--text-body);line-height:var(--leading-body);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit}:focus-visible{outline:var(--focus-width) solid var(--ring);outline-offset:var(--space-xs)}::selection{background:var(--accent);color:var(--on-accent)}h1,h2,h3,p{margin:0}svg.lucide{width:var(--icon-size);height:var(--icon-size);stroke-width:var(--icon-stroke);flex-shrink:0}.type-display{font-family:var(--font-display);font-size:var(--text-display);font-weight:800;line-height:var(--leading-display);letter-spacing:var(--tracking-display);overflow-wrap:anywhere}.type-h1{font-family:var(--font-display);font-size:var(--text-h1);font-weight:700;line-height:var(--leading-heading);letter-spacing:var(--tracking-display)}.type-h2{font-family:var(--font-body);font-size:var(--text-h2);font-weight:600;line-height:1.3}.type-body{font-size:var(--text-body);line-height:var(--leading-body)}.type-caption{font-size:var(--text-caption);line-height:1.5}.type-ipa{font-family:var(--font-ipa);font-size:var(--text-ipa)}.type-example{font-family:var(--font-example);font-size:var(--text-body);font-style:italic;line-height:var(--leading-example)}.type-eyebrow{font-size:var(--text-eyebrow);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;font-weight:500}.type-pill{font-size:var(--text-pill)}.sr-only{width:var(--border-width);height:var(--border-width);margin:calc(-1 * var(--border-width));clip-path:inset(50%);white-space:nowrap;border:0;padding:0;position:absolute;overflow:hidden}.skip-link{top:var(--space-sm);left:var(--space-sm);padding:var(--space-mobile) var(--space-md);background:var(--bg-elevated);z-index:var(--z-toast);position:fixed;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}[data-tier=low] *,[data-tier=low] :before,[data-tier=low] :after{transition-duration:0s!important;animation:none!important}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}.gallery{min-height:100dvh}.gallery-header{max-width:var(--content-width);margin:auto;padding:var(--space-lg) var(--space-mobile);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);border-bottom:var(--border-width) solid var(--border)}.gallery-brand{display:flex;align-items:center;gap:var(--space-sm);min-height:var(--touch-target);text-decoration:none;font-family:var(--font-display);font-size:var(--text-h3);font-weight:700}.gallery-brand__mark{display:grid;place-items:center;width:var(--touch-target);height:var(--touch-target);border-radius:var(--radius-sm);background:var(--accent);color:var(--on-accent)}.gallery-brand__sub{display:block;font-family:var(--font-body);font-size:var(--text-eyebrow);letter-spacing:.15em;color:var(--text-secondary);font-weight:400}.gallery-edition{display:none;font-family:var(--font-mono);letter-spacing:.1em}.gallery-edition span{color:var(--accent);padding-inline:var(--space-sm)}.theme-control{display:flex;gap:var(--space-sm);padding:var(--space-xs);border:var(--border-width) solid var(--border);border-radius:var(--radius-full)}.theme-control button{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);min-height:var(--touch-target);min-width:var(--touch-target);padding:var(--space-sm);border:0;border-radius:var(--radius-full);background:var(--transparent);color:var(--text-secondary)}.theme-control button[aria-pressed=true]{background:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-sm)}.theme-control button span{display:none}.gallery-layout{max-width:var(--content-width);margin:auto;padding-inline:var(--space-mobile)}.gallery-sidebar{display:none}.gallery-main{min-width:0}.gallery-hero{display:grid;gap:var(--space-xl);padding-block:var(--space-xl)}.hero-kicker{display:flex;align-items:center;gap:var(--space-sm);letter-spacing:.14em;color:var(--text-secondary)}.hero-kicker>span,.hero-status>span{width:var(--space-xs);height:var(--space-xs);display:inline-block;flex-shrink:0;border-radius:var(--radius-full);background:var(--fluid-sage)}.gallery-hero h1{margin-block:var(--space-lg);font-family:var(--font-display);font-size:var(--text-display);line-height:1.02;font-weight:600;letter-spacing:var(--tracking-display)}.gallery-hero h1>span{color:var(--accent)}.hero-cn{font-family:var(--font-cn-title);font-size:var(--text-h3)}.hero-description{color:var(--text-secondary);margin-top:var(--space-mobile);max-width:var(--prose-width);font-size:var(--text-pill)}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-md);margin-top:var(--space-lg)}.hero-status{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--text-caption);color:var(--text-secondary)}.hero-specimen{display:none}.gallery-toolbar{display:flex;flex-direction:column;gap:var(--space-md);padding-block:var(--space-lg);border-block:var(--border-width) solid var(--border)}.gallery-toolbar>span{color:var(--text-secondary)}.gallery-section{content-visibility:auto;contain-intrinsic-size:auto 800px;padding-block:var(--space-xl);border-bottom:var(--border-width) solid var(--border);scroll-margin-top:var(--space-lg)}.section-heading{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg)}.section-heading .type-eyebrow{color:var(--accent);letter-spacing:.18em;margin-bottom:var(--space-mobile)}.section-heading>p{color:var(--text-secondary);font-family:var(--font-mono);font-size:var(--text-eyebrow);letter-spacing:.12em;white-space:nowrap}.spec-label{display:block;font-family:var(--font-mono);font-size:var(--text-eyebrow);letter-spacing:.08em;color:var(--text-secondary)}.type-specimens{display:grid;gap:var(--space-xl)}.type-specimens__main{border:var(--border-width) solid var(--border);border-radius:var(--radius-lg);padding:var(--space-lg);position:relative;overflow:hidden;background:var(--bg-surface)}.type-specimens__main:before{content:"";position:absolute;inset:0;background-image:var(--noise-image);opacity:var(--noise-opacity);pointer-events:none}.type-specimens__main .type-display{margin-block:var(--space-lg);font-size:clamp(56px,10vw,96px);font-weight:600}.type-specimens__main .type-example{color:var(--text-secondary)}.type-specimens__scale{display:flex;flex-direction:column;gap:var(--space-lg);padding-block:var(--space-sm)}.type-specimens__scale .type-h1{font-size:var(--text-h2)}.type-specimens__scale .type-h2{font-size:var(--text-h3)}.type-specimens__scale .spec-label{margin-bottom:var(--space-sm)}.type-detail{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-md);color:var(--text-secondary)}.color-section{margin-top:var(--space-xl)}.subheading{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.subheading h3,.demo-tile h3{font-size:var(--text-body);font-weight:500}.subheading>span{color:var(--text-secondary);font-family:var(--font-mono)}.cefr-swatches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-mobile)}.cefr-swatch{display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:var(--space-xs)}.cefr-swatch__color{grid-column:1 / -1;height:var(--space-2xl);border-radius:var(--radius-sm);padding:var(--space-mobile);background:var(--swatch);color:var(--paper-ink)}.cefr-swatch__color span{font-family:var(--font-mono);font-size:var(--text-caption)}.cefr-swatch[data-level=C2] .cefr-swatch__color{color:var(--cefr-c2-ink)}.cefr-swatch>span{font-size:var(--text-caption);color:var(--text-secondary)}.cefr-swatch strong{font-weight:500}.showcase-grid,.motion-grid,.feedback-grid{display:grid;gap:var(--space-md)}.demo-tile{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-lg);padding:var(--space-lg);border:var(--border-width) solid var(--border);border-radius:var(--radius-lg);background:var(--bg-surface);min-width:0}.demo-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm)}.demo-note{color:var(--text-secondary);font-size:var(--text-caption)}.word-demo{display:grid;gap:var(--space-lg)}.word-preview{position:relative;display:flex;flex-direction:column;padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--stage-bg);color:var(--stage-fg);min-height:calc(var(--card-image-size) + var(--space-2xl));overflow:hidden}.word-preview:before{content:"";position:absolute;inset:0;background-image:var(--noise-image);opacity:var(--noise-opacity);pointer-events:none}.word-preview__top,.word-preview__bottom{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm)}.word-preview__top .type-eyebrow{letter-spacing:.14em}.word-preview__image{width:var(--thumbnail-size);align-self:center;margin-top:var(--space-lg)}.word-preview__text{margin-block:var(--space-lg)}.word-preview__text h3{font-family:var(--font-display);font-size:clamp(40px,8vw,64px);line-height:var(--leading-display);letter-spacing:var(--tracking-display);font-weight:600;margin-block:var(--space-sm);overflow-wrap:anywhere}.word-preview__text p{font-size:var(--text-pill)}.word-preview__bottom{margin-top:auto;padding-top:var(--space-md);border-top:var(--border-width) solid currentColor;font-family:var(--font-mono);font-size:var(--text-eyebrow);letter-spacing:.1em}.word-notes{display:flex;flex-direction:column;gap:var(--space-lg);justify-content:center}.word-notes>p:not(.type-eyebrow){color:var(--text-secondary)}.word-notes .type-eyebrow{color:var(--accent);letter-spacing:.12em}.palette-pairs{display:flex;flex-wrap:wrap;gap:var(--space-lg)}.palette-pairs>div{display:flex;align-items:center;gap:var(--space-sm)}.palette-pairs>div>span:first-child{width:var(--touch-target);height:var(--touch-target);display:grid;place-items:center;border-radius:var(--radius-sm);border:var(--border-width) solid var(--border);font-family:var(--font-display)}.palette-pairs strong,.palette-pairs code{display:block;font-weight:400;font-size:var(--text-caption)}.palette-pairs code{color:var(--text-secondary);font-family:var(--font-mono);font-size:var(--text-eyebrow)}.sound-tile{align-items:center;text-align:center}.sound-tile 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svg{width:var(--space-xl);height:var(--space-xl);stroke-width:1}.sheet-demo{flex-direction:row;gap:var(--space-md);align-items:center;overflow:hidden}.sheet-demo>div:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-mobile);min-width:0}.mini-sheet{display:none}.feedback-actions{justify-content:space-between}.performance-panel{display:grid;gap:var(--space-lg);padding:var(--space-lg);border:var(--border-width) solid var(--border);border-radius:var(--radius-lg);background:var(--bg-surface)}.performance-panel h3{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--text-h3);margin-block:var(--space-sm)}.performance-panel 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var(--border);border-radius:var(--radius-md);background:var(--bg-surface);overflow:hidden;transform:rotate(5deg);box-shadow:var(--shadow-md)}.specimen-index{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--font-display);font-size:var(--text-h1);line-height:1}.specimen-index>span{font-family:var(--font-mono);font-size:var(--text-eyebrow);color:var(--text-secondary)}.specimen-word{font-family:var(--font-example);font-size:var(--text-h3);font-style:italic;margin-top:var(--space-lg)}.hero-specimen .type-ipa{font-size:var(--text-caption);color:var(--text-secondary)}.specimen-rule{height:var(--border-width);width:100%;background:var(--border);margin-block:var(--space-lg)}.hero-specimen p{font-family:var(--font-cn-title);font-size:var(--text-eyebrow)}.specimen-star{position:absolute;right:var(--space-md);bottom:var(--space-mobile);color:var(--accent);font-size:var(--text-h2)}}