:root{color-scheme:light dark;--bg:#f7f6f2;--surface:#fff;--soft:#eeede8;--text:#242628;--muted:#5e6267;--line:#d5d6d3;--blue:#0066cc;--button:#0066cc;--button-text:#fff;--shadow:0 22px 55px #24262812;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.6}html[lang=en] [lang=zh-CN],html[lang=zh-CN] [lang=en]{display:none}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}a:hover{color:var(--blue)}img{display:block;max-width:100%;height:auto}figure,p,h1,h2,h3{margin:0}p+p{margin-top:16px}.wrap{max-width:1200px;margin-inline:auto;padding-inline:16px}.header{height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:650;letter-spacing:-.6px}.header nav{display:flex;align-items:center;gap:28px;font-size:14px}.header button{border:1px solid var(--line);background:transparent;color:var(--text);border-radius:8px;min-height:40px;padding:6px 12px;cursor:pointer}.header button:hover{border-color:var(--blue);color:var(--blue)}.skip{position:absolute;top:-100px;left:16px;padding:10px 20px;background:var(--surface);z-index:3}.skip:focus{top:12px}.eyebrow{font-size:11px;line-height:1.5;font-weight:650;letter-spacing:1.7px;color:var(--muted)}h1{font-size:clamp(44px,5.2vw,66px);font-weight:620;letter-spacing:-3px;line-height:1.08;margin-top:22px}h2{font-size:clamp(32px,3.3vw,44px);font-weight:600;letter-spacing:-1.8px;line-height:1.15}h3{font-size:30px;font-weight:600;letter-spacing:-1.15px;line-height:1.22}.hero{display:grid;grid-template-columns:.88fr 1.12fr;gap:50px;align-items:center;padding-block:128px 92px}.intro{font-size:18px;color:var(--muted);line-height:1.7;margin-top:24px}.hero-actions{margin-top:32px}.button{display:inline-flex;gap:24px;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;background:var(--button);color:var(--button-text);border-radius:10px;font-size:15px;font-weight:600;white-space:nowrap}.button:hover{color:var(--button-text);filter:brightness(1.08)}.requirement{font-size:12px;color:var(--muted);margin-top:12px}.requirement span{margin-inline:6px}.requirement span[lang]{margin-inline:0}.quiet-link{display:inline-block;font-size:14px;margin-top:30px;color:var(--muted)}.quiet-link span{margin-left:9px}.hero-preview{position:relative;margin-top:25px;min-width:0}.hero-cat{position:absolute;width:144px;top:-114px;right:20px;z-index:1}.screen{border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}picture{display:block}.screen img{width:100%}figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-top:17px}.demo-label{font-size:11px;text-align:right}.tool-line{padding-block:28px 32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}.tool-line>p:first-child{font-size:12px;color:var(--muted)}.tool-line .tools{font-size:15px;margin-top:12px;word-spacing:4px}.tools span{color:var(--muted);margin-inline:7px}.features{padding-block:92px}.section-heading{max-width:630px;margin-bottom:56px}.section-heading h2{margin-top:15px}.section-heading>p:last-child{color:var(--muted);margin-top:18px}.feature-row{display:grid;grid-template-columns: .8fr 1.2fr;gap:80px;align-items:center;margin-top:88px}.feature-copy h3,.utility-grid h3{margin-top:18px}.feature-copy>p:not(.eyebrow),.utility-grid>article>p:not(.eyebrow){margin-top:20px;color:var(--muted);max-width:38ch}.fine{font-size:13px;line-height:1.7}.feature-shot{min-width:0}.feature-shot .screen{max-height:480px}.feature-shot img{object-fit:contain}.reverse{grid-template-columns:1.2fr .8fr}.reverse .feature-copy{grid-column:2;grid-row:1}.reverse .feature-shot{grid-column:1;grid-row:1}.quota-note{margin-top:0;padding-block:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);align-items:start}.quota-note h3{margin-top:13px}.quota-note>div>p:not(.eyebrow){color:var(--muted)}code{font-size:13px;word-break:break-word;background:var(--soft);border-radius:4px;padding:2px 5px}.utility-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;margin-top:100px;padding-top:58px;border-top:1px solid var(--line)}.privacy{background:var(--soft);padding-block:80px}.privacy-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.privacy h2{margin-top:18px}.privacy-grid>div>p:last-child{max-width:30ch;margin-top:24px;color:var(--muted)}.privacy-items article+article{margin-top:26px;padding-top:26px;border-top:1px solid var(--line)}.privacy-items h3{font-size:19px;letter-spacing:-.4px}.privacy-items p{font-size:14px;margin-top:12px;color:var(--muted)}.faq{padding-block:90px;display:grid;grid-template-columns: .8fr 1.2fr;gap:80px}.faq h2{margin-top:18px}.questions{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{position:relative;cursor:pointer;list-style:none;padding:21px 30px 21px 0;font-size:16px;font-weight:550;line-height:1.4}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:2px;top:19px;font-size:21px;color:var(--muted);font-weight:400}details[open] summary::after{content:"−"}details p{padding-bottom:22px;font-size:14px;color:var(--muted);max-width:64ch}.closing{display:flex;align-items:center;justify-content:space-between;padding-block:40px;border-top:1px solid var(--line);gap:24px}.closing>div{display:flex;align-items:center;gap:20px}.closing h2{font-size:28px;letter-spacing:-1px}.footer{padding-block:24px 30px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;font-size:12px;color:var(--muted)}.footer p+p{margin-top:0}.footer-main{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 20px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px}.footer-storage{max-width:90ch}.action-row{display:flex;flex-wrap:wrap;gap:12px}.button.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.button.secondary:hover{color:var(--blue);border-color:var(--blue);filter:none}.demo-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:550;color:var(--blue)}.demo-link:hover{text-decoration:underline}.download{display:grid;grid-template-columns:1fr .9fr;gap:80px;align-items:start;padding-block:112px 96px}.download .intro{max-width:34ch}.download-dmg{margin-top:36px;min-height:60px;padding:16px 28px;font-size:17px}.release-meta{font-size:13px;color:var(--muted);margin-top:16px}.release-meta b{font-weight:600;color:var(--text)}.release-sha{color:var(--muted);margin-top:12px}.release-sha code{word-break:break-all}.release-sha a,.fallback a{color:var(--blue)}.fallback{color:var(--muted);margin-top:28px}.download-steps h2{font-size:28px;letter-spacing:-1px}.steps{list-style:none;counter-reset:step;padding:0;margin:24px 0 0;border-top:1px solid var(--line)}.steps li{position:relative;padding:20px 0 20px 46px;border-bottom:1px solid var(--line);counter-increment:step}.steps li::before{content:counter(step);position:absolute;left:0;top:18px;width:30px;height:30px;border-radius:50%;background:var(--soft);text-align:center;line-height:30px;font-size:13px;font-weight:650}.trial-note{margin-top:32px;padding:24px;border-radius:14px;background:var(--soft)}.trial-note h3{font-size:19px;letter-spacing:-.4px}.trial-note p{font-size:14px;color:var(--muted);margin-top:10px}.legal{max-width:760px;padding-block:112px 120px}.legal .intro a{color:var(--blue)}
@media(prefers-color-scheme:dark){:root{--bg:#1b1c1e;--surface:#202123;--soft:#232426;--text:#f0f0ed;--muted:#aeb1b6;--line:#44464a;--blue:#69adff;--button:#0066cc;--shadow:0 22px 55px #0002}.hero-cat,.brand img,.closing img{background:#f7f6f2;border-radius:24%}}
@media(max-width:767px){.header{height:72px}.header nav{gap:18px}.nav-feature,.nav-faq{display:none}.brand{font-size:19px}.hero{grid-template-columns:1fr;gap:96px;padding-block:40px 40px}h1{font-size:46px;letter-spacing:-2px;line-height:1.12}.intro{font-size:16px;margin-top:22px}.eyebrow{font-size:10px;letter-spacing:1.4px}.hero-actions{margin-top:26px}.hero-preview{margin-top:0}.hero-cat{width:100px;top:-78px;right:10px}.quiet-link{margin-top:22px}figcaption{font-size:11px}.tool-line{padding-block:24px}.tool-line .tools{font-size:13px;line-height:2;word-spacing:0}.tools span{margin-inline:3px}.features{padding-block:58px}.section-heading{margin-bottom:34px}h2{font-size:33px}.feature-row,.reverse{grid-template-columns:1fr;gap:28px;margin-top:52px}.quota-note{margin-top:0;gap:20px}.reverse .feature-copy,.reverse .feature-shot{grid-column:auto;grid-row:auto}h3{font-size:28px}.feature-copy>p:not(.eyebrow){max-width:none}.feature-shot .screen{max-height:none}.utility-grid{grid-template-columns:1fr;gap:42px;margin-top:52px;padding-top:36px}.utility-grid>article>p:not(.eyebrow){max-width:none}.privacy{padding-block:50px}.privacy-grid{grid-template-columns:1fr;gap:34px}.privacy-grid>div>p:last-child{max-width:none}.faq{grid-template-columns:1fr;gap:30px;padding-block:54px}.closing{flex-direction:column;align-items:flex-start;padding-block:28px}.closing h2{font-size:25px}.closing>div{gap:10px}.closing img{width:52px}.download{grid-template-columns:1fr;gap:56px;padding-block:40px 56px}.download-dmg{width:100%}.legal{padding-block:40px 72px}html[lang=zh-CN] h1{letter-spacing:-1.5px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:color .15s,border-color .15s,filter .15s}}