:root{--paper:#f8f8f3;--ink:#243b38;--muted:#61706a;--line:#d9dfd7;--blue:#d8e8ef;--green:#dce7d6;--dark:#293e38;--serif:'Instrument Serif',Georgia,serif;--sans:'DM Sans',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #4e8297;outline-offset:6px}img{display:block;max-width:100%;height:auto}p{line-height:1.7}h1,h2,h3,p{margin-top:0}h1,h2{font-weight:400}h1,h2{font-family:var(--serif);letter-spacing:-.035em}em{font-weight:400;color:#547d77}::selection{background:#c5dfdc}.wrap{width:min(1200px,calc(100% - 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@media(min-width:1500px){.hero{padding-block:80px 95px;min-height:790px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header nav{gap:18px}.hero{gap:5px;min-height:680px}.hero-art{height:510px}.hero-orbit{width:420px;height:420px;top:50px}.hero-shot{width:210px}.back-shot{right:0;top:25px}.front-shot{left:10px;top:66px}.hero h1{font-size:85px}.inside{padding:50px 35px;grid-template-columns:.8fr 1.2fr;gap:25px}.inside h2{font-size:49px}.product-panel{grid-template-columns:1fr 170px;gap:15px}.product-panel img{width:170px}.panel-copy h3{font-size:20px}.feature-grid{gap:30px}.details-section{gap:60px}.faq{gap:40px}:lang(zh-CN) .hero h1{font-size:74px}:lang(zh-CN) .inside h2{font-size:36px}}
@media(max-width:800px){.header{height:82px;gap:20px}.header nav{display:none}.hero{grid-template-columns:1fr;gap:10px;padding-block:55px 65px}.hero-copy{max-width:540px}.hero h1{font-size:90px}.hero-intro{max-width:420px}.hero-art{width:min(100%,510px);height:530px;margin:10px auto 0}.hero-orbit{width:440px;height:440px;max-width:100%;left:20px}.hero-shot{width:230px}.front-shot{left:40px;top:35px}.back-shot{right:30px;top:0}.manifesto{padding:70px 0}.manifesto h2{font-size:54px}.features{padding-block:75px}.section-heading h2{font-size:42px}.feature-grid{grid-template-columns:1fr;gap:32px;margin-top:40px}.feature{display:grid;grid-template-columns:110px 1fr;column-gap:25px}.feature-word{grid-row:1/3;font-size:30px;align-self:start;margin-bottom:0}.feature h3{margin-bottom:7px}.inside{grid-template-columns:1fr;padding:40px;gap:35px}.inside-intro>p:not(.eyebrow){max-width:440px}.inside h2{font-size:54px}.product-panel{grid-template-columns:1fr 220px;gap:35px}.product-panel img{width:220px}.panel-copy h3{font-size:27px}.panel-copy p{font-size:14px}.screenshot-note{text-align:left}.tabs{margin-top:20px}.details-section{padding-block:75px;gap:35px}.details-section h2{font-size:45px}.faq{grid-template-columns:1fr;gap:5px;padding-block:60px 75px}.faq h2{font-size:45px}.closing h2{font-size:67px}.footer-links{gap:16px}.copyright span:last-child{display:none}:lang(zh-CN) h2{font-size:36px}:lang(zh-CN) .hero h1{font-size:78px}:lang(zh-CN) .details-section h2{font-size:34px}:lang(zh-CN) .feature-word{font-size:20px}}
@media(max-width:480px){.wrap{width:calc(100% - 40px)}.header{gap:10px}.brand{font-size:25px;gap:7px}.brand img{width:32px;height:32px}.nav-actions{gap:13px;font-size:12px}.nav-download{padding:10px 13px;gap:9px}.hero{padding-top:44px}.eyebrow{font-size:9px;letter-spacing:.12em;margin-bottom:24px}.hero h1{font-size:73px}.hero-intro{font-size:15px;max-width:330px}.hero-art{height:440px;margin-top:18px}.hero-orbit{width:330px;height:330px;left:0;top:42px}.hero-shot{width:175px;border-radius:14px;border-width:3px}.front-shot{left:17px;top:30px}.back-shot{right:10px;top:12px}.manifesto{padding:62px 0}.manifesto h2{font-size:43px}.manifesto-body{font-size:14px}.section-heading h2{font-size:37px}.feature{grid-template-columns:85px 1fr;column-gap:20px}.feature-word{font-size:25px}.feature h3{font-size:17px}.feature p{font-size:13px}.inside{padding:32px 24px;border-radius:18px}.inside h2{font-size:45px}.product-panel{grid-template-columns:1fr;gap:20px}.panel-copy{max-width:300px}.panel-copy .eyebrow{display:none}.panel-copy h3{font-size:23px;margin-bottom:12px}.panel-copy p{font-size:14px}.product-panel img{width:225px;margin:auto}.tabs button{font-size:12px;padding-inline:11px}.screenshot-note{font-size:9px;text-align:center}.details-section{grid-template-columns:1fr;gap:15px}.details-section h2{font-size:43px;margin-bottom:0}.faq h2{font-size:42px}summary{font-size:14px}.closing{padding-block:60px 50px}.closing h2{font-size:57px}.closing>div>p:not(.device){font-size:14px}.footer{grid-template-columns:1fr;gap:15px}.footer-links{justify-content:flex-start;flex-wrap:wrap;padding-top:0;gap:20px}.footer p{margin-bottom:0}.copyright{margin-top:15px}.article{padding-block:40px 60px}.article h1{font-size:49px}.article-intro{font-size:17px}.article-links{align-items:flex-start;flex-direction:column}:lang(zh-CN) .hero h1{font-size:68px}:lang(zh-CN) h2{font-size:30px}:lang(zh-CN) .inside h2{font-size:33px}:lang(zh-CN) .closing h2{font-size:43px}:lang(zh-CN) .article h1{font-size:42px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Keep rotated screenshots inside the narrowest phone viewport. */
@media(max-width:480px){.hero-shot{width:clamp(140px,42vw,165px)}.front-shot{left:24px}.back-shot{right:24px}}
.explore{padding-block:0 80px}.explore h2{font-size:42px;max-width:780px}.explore-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.explore-card{display:block;position:relative;border:1px solid var(--line);border-radius:16px;padding:30px 52px 28px 28px}.explore-card:hover{background:#e7eee5}.explore-card h3{font-size:20px;font-weight:500;margin-bottom:12px}.explore-card p{font-size:14px;color:var(--muted);margin:0}.explore-card>span{position:absolute;right:25px;top:30px}.footer-topics{grid-column:1/-1;display:flex;gap:28px;flex-wrap:wrap;font-size:12px}.footer-topics a{text-decoration:underline;text-underline-offset:5px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.topic h1{font-size:58px}.topic-image{float:right;width:210px;margin:20px 0 28px 36px;padding:15px;background:var(--blue);border-radius:18px}.topic-image img{border-radius:10px}.topic-image figcaption{font-size:10px;line-height:1.6;color:var(--muted);margin-top:12px}.topic section{margin-block:40px}.topic section p{line-height:1.85}.topic-cta{clear:both;border-top:1px solid var(--line);padding-top:30px}.topic-cta>p{font-size:12px!important;margin-top:16px}:lang(zh-CN) .topic h1{font-size:46px}:lang(zh-CN) .topic h2{font-size:23px}
@media(max-width:600px){.explore-grid{grid-template-columns:1fr}.explore{padding-bottom:60px}.explore h2{font-size:34px}.explore-card{padding:24px 45px 24px 24px}.topic h1{font-size:43px}.topic-image{float:none;width:220px;margin:32px auto}.footer-topics{gap:18px}:lang(zh-CN) .topic h1{font-size:36px}:lang(zh-CN) .explore h2{font-size:28px}}