@charset "UTF-8";
:root{--ink:#193d32;--green:#214c40;--lime:#d8ecad;--border:#e0e5da;--paper:#fafbf7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible{outline:3px solid #8db553;outline-offset:5px}svg{display:block}h1,h2,h3,p{margin:0}p{line-height:1.8}.wrap{width:min(1180px,calc(100% - 88px));margin:auto}.skip{position:fixed;left:16px;top:-60px;z-index:10;padding:12px;background:var(--lime)}.skip:focus{top:10px}header{display:flex;align-items:center;gap:40px;height:98px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand b{display:block;font-size:27px;font-weight:750;letter-spacing:5px;line-height:1.1}.brand small{display:block;font-size:8px;letter-spacing:3px;margin-top:7px;color:#849078}.brand img{border-radius:11px}header nav{display:flex;gap:36px;margin-left:auto;font-size:13px;font-weight:550}header nav a{padding-block:10px}header nav a:hover{color:#789648}#language{border:1px solid var(--border);background:transparent;border-radius:5px;color:var(--ink);padding:8px 10px;font-size:11px}.hero{text-align:center;padding:73px 0 65px}.hero-label{display:flex;align-items:center;justify-content:center;gap:9px;font-size:11px;letter-spacing:.7px}.hero-label>span{background:#8caf59;width:6px;height:6px;border-radius:50%}.hero-label b{font-weight:600}.hero-label small{font-size:9px;font-weight:400;background:#edf2e2;color:#79905e;border:1px solid #dfe6d4;padding:3px 7px;border-radius:4px;margin-left:5px}.hero h1{font-size:54px;line-height:1.35;letter-spacing:-1.8px;margin:24px 0}.hero h1 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p{font-size:12px;color:#7d8873;line-height:1.9;max-width:330px}.download-section{padding-top:82px;padding-bottom:55px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:25px}.overline{font-size:9px;letter-spacing:1.6px;color:#859778;margin-bottom:12px}.section-heading h2{font-size:29px;line-height:1.4;letter-spacing:-.7px}.version{font-size:10px;color:#8a987b;border:1px solid var(--border);border-radius:5px;padding:7px 10px;white-space:nowrap}.downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.download-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:25px 20px 20px;min-width:0;display:flex;flex-direction:column}.download-card.android{background:var(--green);border-color:var(--green);color:#fff}.system-icon svg{width:28px;height:28px;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;fill:none;margin-bottom:24px}.download-card h3{font-size:20px;margin-bottom:8px;letter-spacing:-.6px}.download-card>p{font-size:12px;color:#7c8b73}.download-card.android>p{color:#c6d9b5}.download-meta{font-size:10px;color:#95a08b;margin:17px 0 23px;line-height:1.7}.android .download-meta{color:#bbd1a7}.download-meta i{margin:0 3px;font-style:normal}.download-button{margin-top:auto;display:flex;gap:10px;justify-content:space-between;align-items:center;min-height:43px;padding:11px 12px;border:1px solid #d5dfc9;border-radius:5px;font-size:11px;font-weight:600;background:#f1f5e9;color:var(--ink);white-space:nowrap}.android .download-button{background:var(--lime);color:#214c40;border-color:var(--lime)}.download-button:not(:disabled):hover{background:#dbe9c3}.download-button.unavailable{color:#a0a798;background:#f6f7f3;border-color:#edf0e7;justify-content:center}.download-card>small{font-size:8px;color:#9aa18e;margin-top:11px;text-align:center;line-height:1.8}.android>small{color:#b0c59b}.download-note{display:flex;align-items:flex-start;gap:9px;color:#96a08b;font-size:10px;margin-top:18px}.download-note p{line-height:1.8}.note-dot{display:block;flex:none;background:#a9bc8d;height:4px;width:4px;border-radius:50%;margin-top:6px}footer{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:30px 0 35px;border-top:1px solid var(--border)}.footer-brand{display:flex;gap:9px;align-items:center}.footer-brand b{font-size:19px;letter-spacing:3px}.footer-company>p{font-size:10px;color:#8a977d;margin-top:12px}.footer-company>small{font-size:9px;color:#9ba48f;display:block;margin-top:6px}.footer-contact>span{display:block;font-size:10px;color:#8a977d;margin-bottom:10px}.footer-contact>a{display:block;font-size:17px;font-weight:550}.footer-contact>a>span{font-size:16px;margin-left:13px}.footer-contact>small{display:block;font-size:9px;color:#9ba48f;margin-top:11px}html[lang="en"] .hero h1{font-size:53px;letter-spacing:-2px;line-height:1.16}html[lang="en"] .brand b{font-size:22px;letter-spacing:1px}html[lang="en"] .brand small{display:none}html[lang="en"] .hero>p{max-width:680px}html[lang="en"] .download-button{font-size:10px;white-space:normal}html[lang="en"] .footer-brand b{font-size:16px;letter-spacing:1px}
@media(max-width:1000px){.wrap{width:calc(100% - 60px)}.download-card{padding:22px 15px 18px}.downloads{gap:12px}.download-button{font-size:10px;padding-inline:9px}.download-card h3{font-size:18px}.hero h1{font-size:49px}.features{gap:25px}.features article{padding-right:22px}}
@media(max-width:760px){.wrap{width:calc(100% - 44px)}header{height:82px;gap:22px}header nav{gap:20px;font-size:11px}.brand b{font-size:25px}.brand img{width:38px;height:38px}.hero{padding:55px 0}.hero h1{font-size:44px}.hero>p{font-size:14px}.features{gap:20px}.features h2{font-size:16px}.features p{font-size:11px}.features article{padding-right:17px}.features .testing{font-size:8px}.download-section{padding-top:60px}.downloads{grid-template-columns:repeat(2,1fr);gap:16px}.download-card{padding:24px}.download-card h3{font-size:21px}.download-button{font-size:12px}.download-card>small{font-size:9px}.system-icon svg{margin-bottom:20px}.section-heading h2{font-size:26px}.section-kicker>span{font-size:8px}.section-kicker p{font-size:11px}.footer-contact>a{font-size:15px}}
@media(max-width:480px){.wrap{width:calc(100% - 36px)}header{height:76px;gap:12px}.brand{gap:8px}.brand img{width:35px;height:35px}.brand b{font-size:23px;letter-spacing:3px}.brand small{font-size:7px;letter-spacing:2px;margin-top:5px}header nav{gap:15px;font-size:10px}header nav a:first-child{display:none}#language{font-size:10px;padding:6px 7px}.hero{padding:44px 0}.hero-label{font-size:10px;gap:7px}.hero-label small{font-size:8px}.hero h1{font-size:38px;line-height:1.4;margin:20px 0;letter-spacing:-1.5px}.hero>p{font-size:13px;line-height:1.9;padding-inline:8px}.desktop-break{display:none}.hero-actions{gap:10px;margin-top:25px}.button{padding:13px 15px;font-size:11px;gap:18px}.hero-bottom{font-size:9px;letter-spacing:0;margin-top:19px}.section-kicker{display:block;margin-bottom:15px}.section-kicker>span{font-size:8px}.section-kicker p{font-size:11px;margin-top:9px}.features{grid-template-columns:1fr;gap:0}.features article{border-right:0;border-bottom:1px solid var(--border);padding:20px 0;display:grid;grid-template-columns:46px 1fr;column-gap:14px}.features article:last-child{padding-right:0;border-bottom:0}.feature-top{grid-column:1;grid-row:1/3;display:block;margin:0}.feature-icon{padding:10px}.feature-top>span:last-child{display:none}.features h2{grid-column:2;font-size:17px;margin-bottom:7px}.features p{grid-column:2;font-size:12px;line-height:1.8}.features article:last-child h2:after{content:"测试中";font-size:9px;font-weight:400;color:#8a9878;border:1px solid #dfe6d4;border-radius:3px;padding:2px 5px;margin-left:9px;vertical-align:middle}html[lang="en"] .features article:last-child h2:after{content:"In testing"}.download-section{padding-top:36px;padding-bottom:33px}.section-heading{display:block;margin-bottom:18px}.section-heading h2{font-size:25px;letter-spacing:-.5px}.overline{font-size:8px;margin-bottom:9px}.version{font-size:9px;display:inline-block;margin-top:13px;padding:5px 8px}.downloads{gap:12px}.download-card{padding:20px 13px 16px}.download-card h3{font-size:18px;letter-spacing:-.4px}.download-card>p{font-size:10px}.download-meta{font-size:9px;margin:14px 0 18px}.download-button{font-size:10px;gap:5px;padding:10px 8px;white-space:normal;min-height:43px}.download-card>small{font-size:8px}.system-icon svg{width:25px;height:25px;margin-bottom:18px}.download-note{font-size:9px;gap:6px;margin-top:15px}footer{display:block;padding:26px 0}.footer-contact{margin-top:23px;padding-top:20px;border-top:1px solid var(--border)}.footer-contact>a{font-size:17px}.footer-contact>small{font-size:8px}.footer-company>p{font-size:9px}.footer-company>small{font-size:8px}html[lang="en"] .hero h1{font-size:36px;line-height:1.2;letter-spacing:-1.6px}html[lang="en"] .brand b{font-size:18px}html[lang="en"] .section-heading h2{font-size:24px}html[lang="en"] .download-button{font-size:10px;min-height:48px}html[lang="en"] .download-meta{min-height:31px}html[lang="en"] header nav{font-size:9px;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Readable type and compact, expandable download support. */
header nav{font-size:14px}.hero>p{color:#5c6c54;font-size:17px}.hero-bottom{font-size:12px;color:#6c7a62}.hero-label{font-size:12px}.hero-label small{font-size:11px}.button{font-size:15px;min-height:48px}.features p{font-size:14px;color:#617057}.features h2{font-size:21px}.section-kicker p{font-size:13px}.download-card>p{font-size:14px;color:#617057}.download-meta{font-size:13px;color:#68775e;min-height:44px}.download-button{font-size:14px;min-height:48px;white-space:normal}.download-card>small{font-size:12px;color:#68775e}.android>small{color:#d5e2c6}.android .download-meta{color:#d5e2c6}.version{font-size:12px}.download-note{font-size:12px;color:#64735a}.footer-company>p,.footer-company>small,.footer-contact>span,.footer-contact>small{font-size:12px;color:#64735a}.secondary-link{font-size:12px;margin-top:11px;text-align:center;line-height:1.8;text-decoration:underline;text-underline-offset:3px}.secondary-link:hover{color:#526d31}.download-help{border-top:1px solid var(--border);margin-top:26px}.download-help details{border-bottom:1px solid var(--border)}.download-help summary{list-style:none;display:flex;justify-content:space-between;gap:15px;align-items:center;cursor:pointer;font-size:15px;font-weight:600;padding:21px 0}.download-help summary::-webkit-details-marker{display:none}.download-help summary:focus-visible{outline:3px solid #8db553;outline-offset:3px}.disclosure-icon{font-size:23px;font-weight:400;transition:transform .15s}.download-help details[open] .disclosure-icon{transform:rotate(45deg)}.help-body{padding:0 0 25px;color:#56684e;font-size:14px;line-height:1.85;max-width:900px}.help-body p+p{margin-top:10px}.help-body h3{font-size:16px;color:var(--ink);margin-bottom:10px}.help-body ol{padding-left:23px;margin:0}.help-body li{padding-left:4px;margin-bottom:9px}.help-note{font-size:12px;margin-top:15px}.install-help{display:grid;grid-template-columns:1fr 250px;gap:48px;max-width:none}.phone-access{text-align:center;background:#f0f4e8;border-radius:10px;padding:20px}.phone-access img{display:block;margin:0 auto 12px;width:144px;height:144px;background:white}.phone-access p{font-size:12px;line-height:1.7}.copy-link{border:1px solid #c9d5bb;border-radius:5px;background:white;color:var(--ink);padding:11px 16px;font-size:13px;min-height:44px;margin-top:12px}.copy-link:hover{background:var(--lime)}#copy-status:empty{display:none}#copy-status{margin-top:10px;color:var(--green)}#copy-fallback{font-size:12px;overflow-wrap:anywhere;text-decoration:underline}.download-help a[hidden]{display:none}html[lang="en"] .download-button{font-size:13px}html[lang="en"] .download-meta{min-height:44px}html[lang="en"] .download-card h3{font-size:20px}
@media(max-width:1000px){.downloads{grid-template-columns:repeat(2,minmax(0,1fr))}.download-card{padding:25px}.download-meta{min-height:0}.download-card h3{font-size:22px}.download-button{font-size:14px}}
@media(max-width:600px){.install-help{grid-template-columns:1fr;gap:20px}.phone-access{max-width:320px;width:100%;justify-self:center}.hero>p{font-size:15px}.features p{font-size:14px}.features h2{font-size:19px}.download-help summary{font-size:14px}.help-body{font-size:14px}.footer-contact>a{font-size:18px}}
@media(max-width:480px){header nav{font-size:11px;gap:12px}header nav a{min-height:44px;display:flex;align-items:center}#language{font-size:12px;min-height:40px;padding:8px}.hero h1{font-size:36px}.button{font-size:13px;gap:10px;padding:13px 12px}.hero-bottom{font-size:11px}.hero-label{font-size:11px}.hero-label small{font-size:10px}.download-card{padding:20px 14px}.download-card h3{font-size:20px}.download-card>p{font-size:13px}.download-meta{font-size:12px;min-height:40px}.download-button{font-size:13px;min-height:50px}.download-card>small,.secondary-link{font-size:11px}.version{font-size:12px}.download-note{font-size:12px}.overline,.section-kicker>span{font-size:10px}.features article:last-child h2:after{font-size:11px}.footer-company>p,.footer-company>small,.footer-contact>span,.footer-contact>small{font-size:12px}html[lang="en"] .download-button{font-size:12px}html[lang="en"] header nav{font-size:10px;gap:8px}}
@media(max-width:360px){.downloads{grid-template-columns:1fr}.download-meta{min-height:0}header nav a[href="#contact"]{display:none}.hero-actions{flex-direction:column;align-items:stretch}}