.analytics-choice-row{gap:var(--space-2xs);flex-wrap:wrap;display:flex}.analytics-choice-row button{min-height:2.5rem;padding:var(--space-2xs) var(--space-xs);border:var(--rule-hair) solid var(--color-rule);border-radius:var(--radius-input);background:var(--color-paper);color:var(--color-ink);cursor:pointer}.analytics-feedback,.analytics-exit-feedback,.analytics-checkout-feedback{gap:var(--space-xs);margin-block:var(--space-md);padding:var(--space-sm);border:var(--rule-hair) solid var(--color-rule);border-radius:var(--radius-card);background:color-mix(in oklch,var(--color-accent) 5%,var(--color-paper-2));display:grid}.analytics-feedback>div:first-of-type{justify-content:space-between;align-items:baseline;gap:var(--space-sm);display:flex}.analytics-feedback small{color:var(--color-ink-2)}.analytics-feedback-index{font:600 .7rem/1 var(--font-mono);color:var(--color-accent-2);letter-spacing:.08em}.analytics-choice-grid{grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));display:grid}.analytics-choice-row button{text-align:start;white-space:normal}.analytics-feedback-thanks,.analytics-exit-feedback p{color:var(--color-accent-2);margin:0;font-weight:700}.analytics-exit-feedback>button{color:var(--color-accent-2);cursor:pointer;background:0 0;border:0;justify-self:start;font-weight:700}.analytics-checkout-feedback{max-width:45rem;margin:var(--space-md) auto}.analytics-checkout-feedback h2{font-size:var(--text-lg);margin:0}@media (hover:hover) and (pointer:fine){.analytics-choice-row button:hover{border-color:var(--color-accent-2);color:var(--color-accent-2)}}
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.public-tool-page{min-height:72vh}.public-tool-stage{padding:clamp(var(--space-lg), 4vw, var(--space-xl)) var(--page-gutter) clamp(var(--space-2xl), 8vw, var(--space-3xl))}.public-tool-layout{gap:clamp(var(--space-xl), 5vw, var(--space-2xl));width:min(var(--page-max), 100%);grid-template-columns:minmax(0,.88fr) minmax(28rem,1.12fr);align-items:start;margin-inline:auto;display:grid}.public-tool-intro{min-width:0;padding-top:var(--space-xs)}.public-tool-intro h1{max-width:11ch;margin:var(--space-xs) 0 var(--space-md);font-family:var(--font-display);letter-spacing:-.035em;font-size:clamp(2.75rem,5.5vw,4.5rem);font-weight:600;line-height:.98}:lang(zh) .public-tool-stage[data-tool=image-converter] .public-tool-intro h1,:lang(zh) .public-tool-stage[data-tool=video-converter] .public-tool-intro h1{overflow-wrap:anywhere;word-break:normal}.public-tool-intro>p{color:var(--color-ink-2);font-size:var(--text-md);margin:0}.public-tool-track{align-items:center;gap:var(--space-xs);margin-block:var(--space-xl);color:var(--color-ink-2);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.07em;text-transform:uppercase;font-weight:700;line-height:1;display:flex}.public-tool-track>span{display:contents}.public-tool-track strong{min-width:0;color:var(--color-ink);overflow-wrap:anywhere}.public-tool-track span:last-child strong{color:var(--color-accent-2)}.public-tool-track i{height:var(--rule-hair);background:var(--color-rule-strong);flex:1.5rem;position:relative}.public-tool-track i:after{border-top:var(--rule-hair) solid var(--color-accent-2);border-right:var(--rule-hair) solid var(--color-accent-2);content:"";width:.45rem;height:.45rem;position:absolute;top:-.2rem;right:0;transform:rotate(45deg)}.public-tool-facts{border-block:var(--rule-hair) solid var(--color-rule);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid}.public-tool-facts div{min-width:0;padding:var(--space-sm) var(--space-sm) var(--space-sm) 0}.public-tool-facts dt,.public-tool-console-bar,.public-tool-console-kicker,.public-tool-guide-lead>span{color:var(--color-ink-2);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;font-weight:700;line-height:1.4}.public-tool-facts dd{margin:var(--space-3xs) 0 0;font-weight:700;line-height:1.35}.public-tool-console{border:var(--rule-hair) solid var(--color-rule-strong);border-radius:var(--radius-panel);background:var(--color-paper-2);box-shadow:var(--shadow-md);overflow:hidden}.public-tool-console-bar,.public-tool-privacy{justify-content:space-between;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:var(--rule-hair) solid var(--color-rule);display:flex}.public-tool-console-bar strong{color:var(--color-accent-2);font-size:var(--text-xs)}.public-tool-console-body{min-height:23rem;padding:clamp(var(--space-lg), 6vw, var(--space-2xl));text-align:center;background-image:linear-gradient(var(--color-rule) 1px, transparent 1px), linear-gradient(90deg, var(--color-rule) 1px, transparent 1px);background-size:28px 28px;align-content:center;place-items:center;display:grid}.public-tool-mark{background:var(--color-ink);width:4.75rem;height:4.75rem;color:var(--color-paper);font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:.04em;border-radius:50%;place-items:center;font-weight:700;line-height:1;display:grid}.public-tool-console-kicker{margin:var(--space-md) 0 var(--space-xs)}.public-tool-console-body h2{max-width:16ch;font-family:var(--font-display);font-size:clamp(var(--text-xl), 4vw, var(--text-2xl));letter-spacing:-.04em;margin:0;font-weight:700;line-height:1.08}.public-tool-console-body>p:not(.public-tool-console-kicker){margin:var(--space-sm) 0 0;color:var(--color-ink-2)}.public-tool-actions{justify-content:center;gap:var(--space-xs);width:min(100%,28rem);margin-top:var(--space-lg);flex-wrap:wrap;display:flex}.public-tool-actions a{min-height:3rem;padding-inline:var(--space-md);border:var(--rule-hair) solid var(--color-rule-strong);border-radius:var(--radius-input);color:var(--color-ink);white-space:nowrap;flex:1 1 0;justify-content:center;align-items:center;margin-top:0;font-weight:700;line-height:1;text-decoration:none;display:inline-flex}.public-tool-actions .primary-action{border-color:var(--color-accent-2);background:var(--color-accent-2);color:var(--color-accent-ink)}.public-tool-privacy{border-top:var(--rule-hair) solid var(--color-rule);color:var(--color-ink-2);font-size:var(--text-xs);border-bottom:0;flex-wrap:wrap;justify-content:flex-start}.public-tool-privacy span+span:before{margin-right:var(--space-xs);content:"·"}.public-tool-guide{width:min(var(--page-max), calc(100% - 2 * var(--page-gutter)));padding-block:var(--space-xl) var(--space-3xl);margin-inline:auto}.public-tool-proof{gap:clamp(var(--space-xl), 6vw, var(--space-3xl));padding-block:clamp(var(--space-xl), 7vw, var(--space-3xl));border-block:var(--rule-hair) solid var(--color-rule-strong);grid-template-columns:minmax(18rem,.78fr) minmax(0,1.22fr);align-items:center;display:grid}.public-tool-guide-lead{gap:var(--space-md);flex-direction:column;min-width:0;display:flex}.public-tool-guide-lead h2{max-width:15ch;font-family:var(--font-display);font-size:clamp(var(--text-2xl), 5vw, var(--text-3xl));letter-spacing:-.045em;overflow-wrap:anywhere;margin:0;font-weight:700;line-height:1.04}:lang(zh) .public-tool-guide-lead h2,:lang(zh) .public-tool-specification h2{overflow-wrap:anywhere;word-break:normal}.public-tool-guide-lead p{max-width:58ch;color:var(--color-ink-2);font-size:var(--text-md);margin:0}.public-tool-map{border:var(--rule-hair) solid var(--color-rule-strong);border-radius:var(--radius-panel);background-color:var(--color-paper-2);background-image:linear-gradient(var(--color-rule) var(--rule-hair), transparent var(--rule-hair)), linear-gradient(90deg, var(--color-rule) var(--rule-hair), transparent var(--rule-hair));background-size:2rem 2rem;min-width:0;min-height:24rem;margin:0;display:grid;position:relative;overflow:hidden}.public-tool-map figcaption,.public-tool-map-node span,.public-tool-map-output span,.public-tool-map-timeline span,.public-tool-matrix span{color:var(--color-ink-2);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.07em;text-transform:uppercase;font-weight:700;line-height:1.4}.public-tool-map figcaption{top:var(--space-md);left:var(--space-md);z-index:var(--z-raised);padding:var(--space-2xs) var(--space-xs);border:var(--rule-hair) solid var(--color-rule-strong);background:var(--color-paper-2);position:absolute}.public-tool-map strong{font-family:var(--font-display);font-weight:700;line-height:1.35}.public-tool-map--image{grid-template-rows:1fr auto;grid-template-columns:minmax(0,1fr) minmax(12rem,.72fr)}.public-tool-map-formats{align-self:center;align-items:center;gap:var(--space-lg);padding:var(--space-xl) var(--space-lg);display:flex}.public-tool-map-formats>span{aspect-ratio:1;border:var(--rule-hair) solid var(--color-ink);background:var(--color-paper-2);font-family:var(--font-mono);border-radius:50%;flex:0 0 clamp(3.75rem,9vw,5rem);place-items:center;font-weight:700;display:grid;position:relative}.public-tool-map-formats>span:nth-child(2){border-color:var(--color-accent-2);color:var(--color-accent-2)}.public-tool-map-formats>span>i{width:var(--space-lg);height:var(--rule-hair);background:var(--color-rule-strong);position:absolute;top:50%;left:100%}.public-tool-map-formats>span>i:after,.public-tool-video-path>i:after{border-top:var(--rule-hair) solid var(--color-accent-2);border-right:var(--rule-hair) solid var(--color-accent-2);content:"";width:.45rem;height:.45rem;position:absolute;top:50%;right:0;transform:translateY(-50%)rotate(45deg)}.public-tool-map-output{justify-content:center;gap:var(--space-sm);min-width:0;padding:var(--space-xl) var(--space-lg);border-left:var(--rule-hair) solid var(--color-rule-strong);background:var(--color-paper-3);flex-direction:column;display:flex}.public-tool-map-output strong{max-width:20ch;font-size:var(--text-lg)}.public-tool-map-legend{border-top:var(--rule-hair) solid var(--color-rule-strong);background:var(--color-paper-2);grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid}.public-tool-map-legend div{min-width:0;padding:var(--space-sm)}.public-tool-map-legend div+div{border-left:var(--rule-hair) solid var(--color-rule)}.public-tool-map-legend dt{color:var(--color-ink-2);font-size:var(--text-xs)}.public-tool-map-legend dd{margin:var(--space-2xs) 0 0;font-size:var(--text-sm);font-weight:700;line-height:1.45}.public-tool-map--video-4k{padding:calc(var(--space-xl) + var(--space-lg)) var(--space-lg) var(--space-lg);align-content:center}.public-tool-video-path{grid-template-columns:minmax(7rem,.8fr) minmax(2rem,.25fr) minmax(8rem,1fr) minmax(2rem,.25fr) minmax(7rem,.8fr);align-items:center;display:grid}.public-tool-map-node{justify-content:space-between;gap:var(--space-md);min-height:8.75rem;padding:var(--space-md);border:var(--rule-hair) solid var(--color-rule-strong);background:var(--color-paper-2);flex-direction:column;display:flex}.public-tool-map-node--process{border-color:var(--color-accent-2);background:var(--color-paper-3)}.public-tool-map-node--result{background:var(--color-ink);color:var(--color-paper)}.public-tool-map-node--result span{color:var(--color-paper-3)}.public-tool-video-path>i{height:var(--rule-hair);background:var(--color-rule-strong);position:relative}.public-tool-map-timeline{gap:var(--space-sm);margin-top:var(--space-xl);padding-top:var(--space-sm);border-top:var(--rule-hair) solid var(--color-rule-strong);grid-template-columns:auto minmax(2rem,1fr) minmax(0,auto);align-items:center;display:grid}.public-tool-map-timeline i{background:repeating-linear-gradient(90deg, var(--color-accent-2) 0 .75rem, transparent .75rem 1rem);height:.35rem}.public-tool-map-timeline strong{font-size:var(--text-sm)}.public-tool-map--video{padding:calc(var(--space-xl) + var(--space-lg)) var(--space-lg) var(--space-lg);align-content:end}.public-tool-matrix{border:var(--rule-hair) solid var(--color-rule-strong);background:var(--color-paper-2);grid-template-columns:minmax(10rem,.9fr) repeat(2,minmax(8rem,1fr));align-items:stretch;display:grid}.public-tool-matrix-source,.public-tool-matrix-cell{justify-content:space-between;gap:var(--space-lg);min-width:0;min-height:12rem;padding:var(--space-md);flex-direction:column;display:flex}.public-tool-matrix-source{background:var(--color-ink);color:var(--color-paper)}.public-tool-matrix-source span{color:var(--color-paper-3)}.public-tool-matrix-cell{border-left:var(--rule-hair) solid var(--color-rule-strong)}.public-tool-matrix-cell--output{background:var(--color-paper-3)}.public-tool-specification{gap:clamp(var(--space-xl), 6vw, var(--space-3xl));padding-block:var(--space-2xl);grid-template-columns:minmax(16rem,.78fr) minmax(0,1.22fr);display:grid}.public-tool-specification h2{max-width:18ch;font-family:var(--font-display);font-size:clamp(var(--text-xl), 4vw, var(--text-2xl));letter-spacing:-.04em;margin:0;font-weight:700;line-height:1.1}.public-tool-specification dl{border-top:var(--rule-hair) solid var(--color-rule-strong);margin:0}.public-tool-specification dl>div{gap:var(--space-md);padding-block:var(--space-md);border-bottom:var(--rule-hair) solid var(--color-rule);grid-template-columns:minmax(7rem,.36fr) minmax(0,.64fr);display:grid}.public-tool-specification dt{color:var(--color-ink-2)}.public-tool-specification dd{margin:0;font-weight:700}.public-tool-answers{border-top:var(--rule-hair) solid var(--color-rule-strong)}.public-tool-answers details{border-bottom:var(--rule-hair) solid var(--color-rule)}.public-tool-answers summary{gap:var(--space-lg);min-height:4.75rem;padding-block:var(--space-md);cursor:pointer;grid-template-columns:minmax(0,1fr) 2rem;align-items:center;list-style:none;display:grid}.public-tool-answers summary::-webkit-details-marker{display:none}.public-tool-answers summary span{font-family:var(--font-display);font-size:clamp(var(--text-md), 3vw, var(--text-lg));letter-spacing:-.025em;font-weight:700;line-height:1.25}.public-tool-answers summary i{border:var(--rule-hair) solid var(--color-rule-strong);border-radius:50%;width:2rem;height:2rem;position:relative}.public-tool-answers summary i:before,.public-tool-answers summary i:after{width:.65rem;height:var(--rule-hair);background:var(--color-ink);content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.public-tool-answers summary i:after{transform:translate(-50%,-50%)rotate(90deg)}.public-tool-answers details[open] summary i:after{opacity:0}.public-tool-answers summary:focus-visible{outline:2px solid var(--color-focus);outline-offset:var(--space-2xs)}.public-tool-answers p{max-width:68ch;padding:0 4rem var(--space-lg) 0;color:var(--color-ink-2);margin:0;line-height:1.75}.public-tool-related{gap:clamp(var(--space-xl), 6vw, var(--space-3xl));margin-top:var(--space-2xl);padding:clamp(var(--space-lg), 5vw, var(--space-xl));border-radius:var(--radius-panel);background:var(--color-ink);color:var(--color-paper);grid-template-columns:minmax(16rem,.78fr) minmax(0,1.22fr);display:grid}.public-tool-related p{max-width:28ch;font-family:var(--font-display);font-size:var(--text-lg);margin:0;font-weight:700;line-height:1.25}.public-tool-related nav{display:grid}.public-tool-related a{justify-content:space-between;gap:var(--space-sm);border-bottom:var(--rule-hair) solid var(--color-ink-2);min-height:3.25rem;color:var(--color-paper);white-space:nowrap;align-items:center;font-weight:700;text-decoration:none;display:flex}@media (hover:hover) and (pointer:fine){.public-tool-related a:hover{color:var(--color-paper-3)}}@media (max-width:900px){.public-tool-layout{grid-template-columns:minmax(0,1fr)}.public-tool-intro h1{max-width:13ch}.public-tool-proof,.public-tool-specification,.public-tool-related{grid-template-columns:minmax(0,1fr)}.public-tool-guide-lead h2{max-width:20ch}}@media (max-width:640px){.public-tool-stage{padding-top:var(--space-xl)}.public-tool-intro h1{font-size:clamp(2.5rem,12vw,3.25rem)}.public-tool-track{flex-direction:column;align-items:stretch}.public-tool-track>span{gap:var(--space-xs);grid-template-columns:minmax(0,auto) minmax(2rem,1fr);align-items:center;display:grid}.public-tool-track>span:last-child{grid-template-columns:minmax(0,auto)}.public-tool-facts{grid-template-columns:minmax(0,1fr)}.public-tool-facts div+div{border-top:var(--rule-hair) solid var(--color-rule)}.public-tool-console-bar{flex-direction:column;align-items:flex-start}.public-tool-console-body{min-height:20rem}.public-tool-actions{flex-direction:column;align-items:stretch;width:100%}.public-tool-actions a{width:100%}.public-tool-proof{gap:var(--space-xl)}.public-tool-specification dl>div{gap:var(--space-3xs);grid-template-columns:minmax(0,1fr)}.public-tool-map{min-height:0}.public-tool-map--image{padding-top:var(--space-2xl);grid-template-rows:auto;grid-template-columns:minmax(0,1fr)}.public-tool-map-formats{padding:var(--space-lg) var(--space-sm)}.public-tool-map-output{border-top:var(--rule-hair) solid var(--color-rule-strong);border-left:0}.public-tool-map-legend{grid-template-columns:minmax(0,1fr)}.public-tool-map-legend div+div{border-top:var(--rule-hair) solid var(--color-rule);border-left:0}.public-tool-map--video-4k,.public-tool-map--video{padding-inline:var(--space-sm)}.public-tool-video-path{gap:var(--space-sm);grid-template-columns:minmax(0,1fr)}.public-tool-video-path>i{width:var(--rule-hair);height:var(--space-lg);margin-inline:auto}.public-tool-video-path>i:after{top:auto;bottom:0;right:50%;transform:translate(50%)rotate(135deg)}.public-tool-map-node{min-height:7rem}.public-tool-map-timeline,.public-tool-matrix{grid-template-columns:minmax(0,1fr)}.public-tool-matrix-source,.public-tool-matrix-cell{min-height:7rem}.public-tool-matrix-cell{border-top:var(--rule-hair) solid var(--color-rule-strong);border-left:0}.public-tool-specification,.public-tool-related{gap:var(--space-lg)}.public-tool-answers p{padding-right:0}}
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:var(--font-body);background:var(--color-paper);color:var(--color-ink)}*{box-sizing:border-box}html,body{min-width:0;overflow-x:clip}body{background:var(--color-paper);color:var(--color-ink);font-size:var(--text-base);text-rendering:optimizelegibility;margin:0;line-height:1.6}h1{font-size:var(--text-display);letter-spacing:-.035em;margin:0 0 1rem;line-height:.98}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);overflow-wrap:anywhere;min-width:0;font-style:normal;font-weight:600}h2{font-size:var(--text-section);letter-spacing:-.025em;line-height:1.08}h3{letter-spacing:-.015em;line-height:1.2}a,button{transition:color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}p{max-width:38rem;line-height:1.6}.eyebrow{color:var(--color-accent-2);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:600}button,input,select{font:inherit}button{white-space:nowrap}input,select,textarea{outline-offset:1px;outline:2px solid #0000}button,label,select,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}a:active,button:not(:disabled):active{transform:translateY(1px)}:lang(zh) :is(h1,h2,h3,h4,h5,h6),:lang(zh) .eyebrow{letter-spacing:0;overflow-wrap:normal;word-break:keep-all;line-height:1.18}@media (max-width:39.99rem){:root{--text-display:clamp(2.5rem, 12vw, 3.25rem);--text-section:clamp(1.625rem, 8vw, 2.125rem)}}