:root{color-scheme:dark;--bg:#0b1424;--app:#111c2d;--card:#1c2b3d;--line:#ffffff12;--text:#eaf6f5;--muted:#96a7b8;--accent:#9ee7ca;--accent-strong:#5ec9a6;--on:#122f2c;--header:#0b1424e8;--hero-fade:#0b142400;--shade:#0b1424d9;--soft:#101c2c;--glow:#9ee7ca12}
:root[data-theme=spring]{color-scheme:light;--bg:#eef4ef;--app:#f6f9f6;--card:#fffdfa;--line:#1f514c20;--text:#243a3a;--muted:#668078;--accent:#377c6f;--accent-strong:#449b89;--on:#fffefa;--header:#eef4efe8;--hero-fade:#eef4ef00;--shade:#eef4efd9;--soft:#e7f0eb;--glow:#377c6f0b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7;transition:background .35s,color .35s}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}button{border:0}p,h1,h2,h3,figure{margin:0}img{display:block;max-width:100%}svg{width:20px;height:20px;flex:none}::selection{background:#5ec9a650}.wrap{width:calc(100% - 144px);max-width:1200px;margin-inline:auto}.section{padding-block:110px}.muted{color:var(--muted)}.accent{color:var(--accent)}.eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;font-weight:650;letter-spacing:2px;color:var(--accent);line-height:1.7}.skip{position:fixed;top:-100px;left:20px;background:var(--accent);color:var(--on);padding:10px;z-index:20}.skip:focus{top:15px}
.site-header{height:88px;padding-inline:clamp(28px,5.1vw,80px);display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line);background:var(--header);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.brand{display:flex;gap:12px;align-items:center;white-space:nowrap}.brand strong{display:block;font-size:16px;font-weight:650;letter-spacing:.4px;line-height:1.4}.brand small{display:block;font-size:8px;letter-spacing:2px;line-height:2.1;color:var(--muted)}.brand img{border:1px solid var(--line);border-radius:12px}nav{display:flex;gap:30px;font-size:12px;color:var(--muted)}nav a{transition:color .2s}nav a:hover{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:24px;font-size:11px}.language{background:none;padding:5px;color:var(--muted);font-size:10px;letter-spacing:1px}.nav-download{padding:9px 15px;border:1px solid var(--line);border-radius:8px;display:flex;gap:18px;align-items:center;transition:border-color .2s,background .2s}.nav-download:hover{border-color:var(--accent);background:var(--glow)}.nav-download svg{width:15px;height:15px}#menu{display:none;background:none;width:30px;padding:4px}#menu span{display:block;height:1px;background:var(--text);margin:6px 0}
.hero{position:relative;min-height:735px;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.hero-visual{position:absolute;inset:0 0 0 27%;z-index:-3}.hero-visual img{position:absolute;width:100%;height:100%;object-fit:contain;object-position:right center;transition:opacity .6s}.art-spring{opacity:0}:root[data-theme=spring] .art-night{opacity:0}:root[data-theme=spring] .art-spring{opacity:1}.hero-wash{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--bg) 2%,var(--bg) 24%,var(--shade) 36%,var(--hero-fade) 68%),linear-gradient(0deg,var(--bg) 0%,var(--hero-fade) 22%,var(--hero-fade) 92%,var(--bg) 100%)}.hero-content{padding-top:46px;padding-bottom:150px;position:relative}.diamond{height:6px;width:6px;background:var(--accent);transform:rotate(45deg);box-shadow:0 0 20px #9ee7ca60}.hero-kicker{font-size:11px;letter-spacing:2px;color:var(--muted);margin:44px 0 14px}.hero h1{font-size:clamp(46px,4.65vw,70px);font-weight:600;letter-spacing:-2px;line-height:1.4;max-width:700px}.hero-description{font-size:14px;color:var(--muted);margin-top:23px;line-height:2.05}.hero-actions{display:flex;gap:28px;align-items:center;margin-top:34px}.button{padding:14px 23px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:13px;font-size:13px;font-weight:600;min-height:52px;transition:transform .2s,box-shadow .2s}.button.primary{background:var(--accent);color:var(--on);box-shadow:0 6px 28px #5ec9a61a}.button.primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px #5ec9a62c}.button svg:last-child{width:16px;margin-left:14px}.button svg:first-child{width:17px}.quiet-link{display:inline-flex;align-items:center;gap:22px;font-size:12px}.quiet-link:hover{color:var(--accent)}.development-note{font-size:10px;color:var(--muted);margin-top:17px;display:flex;align-items:center;gap:8px}.development-note i,.frame-caption i{width:4px;height:4px;border-radius:50%;background:var(--accent-strong);display:inline-block}.hero-bottom{position:absolute;bottom:26px;left:0;right:0;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.theme-switch{display:flex;gap:23px;align-items:center}.theme-switch button{background:transparent;display:flex;align-items:center;gap:12px;text-align:left;color:var(--muted);padding:8px 0;transition:color .2s}.theme-switch button[aria-pressed=true]{color:var(--text)}.theme-switch button:hover{color:var(--accent)}.theme-switch button span:not(.theme-orb){font-size:11px}.theme-switch small{display:block;font-size:8px;letter-spacing:1.7px;line-height:1.8;color:var(--muted)}.theme-orb{height:31px;width:31px;border-radius:50%;border:3px solid var(--bg);outline:1px solid var(--line)}.night-orb{background:linear-gradient(135deg,#9ee7ca 0%,#305559 40%,#0b1424 82%)}.spring-orb{background:linear-gradient(135deg,#fffef8 0%,#e8f1ed 45%,#7eb9a7 100%)}[aria-pressed=true] .theme-orb{outline-color:var(--accent)}.theme-divider{height:28px;width:1px;background:var(--line)}.art-credit{font-size:8px;letter-spacing:.3px;color:var(--muted);text-align:right}.spring-credit{display:none}:root[data-theme=spring] .spring-credit{display:inline}.intro-line{display:flex;gap:35px;align-items:center;padding-block:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:9px;letter-spacing:1.5px;color:var(--muted)}.intro-end{margin-left:auto;font-size:9px;color:var(--accent)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:55px;margin-bottom:38px}.section-heading h2,h2{font-size:clamp(30px,3.1vw,44px);line-height:1.5;font-weight:500;letter-spacing:-1px}h2 .muted{color:var(--muted)}.section-heading .eyebrow{margin-bottom:15px}.section-intro{max-width:330px;font-size:12px;line-height:2;color:var(--muted)}.preview-themes{display:flex;align-items:center;gap:5px;margin-top:20px}.preview-themes button{display:flex;align-items:center;gap:7px;padding:7px 13px;background:transparent;color:var(--muted);border:1px solid transparent;border-radius:7px;font-size:10px}.preview-themes button[aria-pressed=true]{background:var(--glow);border-color:var(--line);color:var(--accent)}.preview-themes svg{width:14px;height:14px}.product-frame{border:1px solid var(--line);background:var(--app);padding:10px;border-radius:17px;box-shadow:0 30px 85px #00000024;position:relative}.product-frame:before{content:"";position:absolute;inset:-50px 0;background:radial-gradient(ellipse at center,var(--glow),transparent 65%);z-index:-1}.frame-caption{font-size:8px;letter-spacing:1.4px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);gap:20px;padding:9px 12px 17px}.frame-caption span:first-child{color:var(--accent);display:flex;align-items:center;gap:7px}.product-frame img{width:100%;height:auto;border:1px solid var(--line);border-radius:8px}.product-frame figcaption{color:var(--muted);font-size:9px;padding:13px 12px 4px;line-height:1.7}.experience{padding-bottom:15px}.feature-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);margin-top:42px}.feature-columns article{padding:34px 30px 0 0;min-width:0}.feature-columns article+article{border-left:1px solid var(--line);padding-left:30px}.feature-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:29px;color:var(--accent)}.feature-top svg{width:25px;height:25px}.feature-top span{font-size:10px;letter-spacing:1px;color:var(--muted)}.feature-columns h3{font-size:18px;line-height:1.6;font-weight:500;margin-bottom:13px}.feature-columns p{font-size:12px;color:var(--muted);line-height:2}.feature-columns small{font-size:8px;letter-spacing:1.3px;color:var(--accent);display:block;margin-top:26px}.progress-section{background:var(--soft);border-block:1px solid var(--line);padding-block:82px}.progress-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.progress-layout .eyebrow{margin-bottom:20px}.progress-intro{font-size:12px;color:var(--muted);max-width:290px;margin-top:20px;line-height:2}.progress-date{display:block;font-size:9px;letter-spacing:1px;color:var(--muted);margin-top:31px}.progress-list article{display:flex;gap:24px;padding:23px 0;border-bottom:1px solid var(--line);align-items:center}.progress-list article:first-child{padding-top:12px}.progress-list article:last-child{border-bottom:0}.step{align-self:flex-start;font-size:9px;letter-spacing:1px;color:var(--muted);padding-top:5px}.progress-list h3{font-size:14px;font-weight:500}.status{font-size:10px;color:var(--muted);margin-top:7px;display:flex;align-items:center;gap:7px}.status i{width:4px;height:4px;border-radius:50%;background:var(--muted)}.status.ready{color:var(--accent)}.status.ready i{background:var(--accent)}.status.pending i{background:#c8ad83}.row-mark{margin-left:auto;color:var(--muted);font-size:15px}.download-section{text-align:center;position:relative;padding-block:110px 100px;overflow:hidden}.download-decoration{font-size:60px;color:var(--accent);line-height:1;margin-bottom:20px;font-family:serif;font-weight:200}.download-section .eyebrow{justify-content:center;margin-bottom:21px}.download-section h2{font-size:42px}.download-section p:not(.eyebrow){font-size:12px;color:var(--muted);margin-top:24px;line-height:2}.download-section .unavailable{border:1px solid var(--line);color:var(--muted);background:var(--card);margin-top:30px;padding-inline:30px}.download-section small{display:block;color:var(--muted);font-size:8px;letter-spacing:1.5px;margin-top:15px}.about-section{border-block:1px solid var(--line);background:var(--app);padding-block:85px}.about-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.about-layout .eyebrow{margin-bottom:18px}.about-layout>div>p:not(.eyebrow){max-width:325px;font-size:12px;line-height:2.1;margin-top:20px;color:var(--muted)}.byline{display:block;margin-top:28px;font-size:10px;color:var(--muted)}.byline strong{color:var(--accent);font-weight:500}.faq details{border-bottom:1px solid var(--line)}.faq summary{padding:21px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-size:13px}.faq summary::-webkit-details-marker{display:none}.faq summary>span:last-child{color:var(--accent);transition:transform .2s}.faq details[open] summary>span:last-child{transform:rotate(45deg)}.faq details p{font-size:11px;line-height:2.1;padding:0 24px 23px 0;color:var(--muted)}footer{padding-block:40px 24px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-bottom:29px;border-bottom:1px solid var(--line)}.footer-top p,.footer-top>a:last-child{font-size:10px;color:var(--muted)}.footer-top>a:last-child:hover{color:var(--accent)}.footer-legal{display:flex;gap:50px;justify-content:space-between;color:var(--muted);font-size:8px;padding-top:24px}.footer-legal>span{white-space:nowrap}.footer-legal p{max-width:700px;line-height:1.9;text-align:right}
html[lang=en] .hero h1{font-size:clamp(42px,4.4vw,63px);line-height:1.25;max-width:620px;letter-spacing:-2px}html[lang=en] .hero-description{max-width:430px}html[lang=en] .section-heading h2,html[lang=en] h2{font-size:38px}html[lang=en] .feature-columns h3{font-size:19px}
@media(min-width:1550px){.hero{min-height:820px}.hero-visual{left:32%;max-width:1150px;margin-left:auto}.hero-content{padding-bottom:170px}}
@media(max-width:1100px){.wrap{width:calc(100% - 80px)}.site-header{padding-inline:40px;gap:20px}nav{gap:20px}.nav-actions{gap:15px}.hero{min-height:720px}.hero-visual{left:22%;opacity:.9}.hero-wash{background:linear-gradient(90deg,var(--bg) 3%,var(--bg) 19%,var(--shade) 35%,var(--hero-fade) 76%),linear-gradient(0deg,var(--bg) 0%,var(--hero-fade) 25%)}.hero h1{font-size:53px}.hero-content{padding-bottom:160px}.intro-line{gap:21px;font-size:8px}.intro-end{display:none}.progress-layout,.about-layout{gap:60px;grid-template-columns:.9fr 1.1fr}.section-heading{gap:35px}.section-intro{max-width:280px}.art-credit{max-width:210px}}
@media(max-width:800px){.site-header{height:72px;padding-inline:24px}.brand strong{font-size:14px}.brand img{width:34px;height:34px}.nav-actions{gap:15px}.nav-download{padding:7px 10px;font-size:10px;gap:8px}.nav-download svg{width:13px}#menu{display:block}nav{position:absolute;left:0;right:0;top:71px;background:var(--bg);border-bottom:1px solid var(--line);padding:26px;display:none;flex-direction:column;font-size:14px;gap:24px}nav.open{display:flex}.wrap{width:calc(100% - 48px)}.hero{min-height:760px}.hero-visual{inset:0 0 0 8%;opacity:.63}.hero-visual img{object-position:70% top}.hero-wash{background:linear-gradient(90deg,var(--bg) 0%,var(--shade) 18%,var(--hero-fade) 100%),linear-gradient(0deg,var(--bg) 0%,var(--shade) 28%,var(--hero-fade) 100%)}.hero-content{padding-top:160px;padding-bottom:185px}.hero h1{font-size:49px}.hero-description{font-size:13px}.hero-kicker{margin-top:25px}.hero-bottom{bottom:25px}.art-credit{font-size:7px;max-width:140px}.theme-switch{gap:16px}.section{padding-block:75px}.experience{padding-bottom:0}.section-heading{align-items:flex-start;flex-direction:column;gap:20px;margin-bottom:26px}.section-intro{max-width:480px}.section-heading h2,h2{font-size:35px}.frame-caption{font-size:6px;gap:15px;padding:5px 3px 12px}.product-frame{padding:6px;border-radius:12px}.product-frame figcaption{font-size:8px;padding-inline:3px}.feature-columns{margin-top:28px}.feature-columns article{padding-right:20px}.feature-columns article+article{padding-left:20px}.feature-columns h3{font-size:16px}.feature-columns p{font-size:11px}.progress-layout,.about-layout{grid-template-columns:1fr;gap:35px}.progress-intro,.about-layout>div>p:not(.eyebrow){max-width:490px}.progress-date{margin-top:18px}.progress-section,.about-section{padding-block:65px}.download-section h2{font-size:35px}.footer-top{gap:20px;flex-wrap:wrap}.footer-top p{order:3;width:100%;text-align:left}.footer-legal{flex-direction:column;gap:15px}.footer-legal p{text-align:left}.footer-top>a:last-child{margin-left:auto}html[lang=en] .hero h1{font-size:44px;max-width:510px}html[lang=en] .section-heading h2,html[lang=en] h2{font-size:33px}}
@media(max-width:540px){.site-header{padding-inline:20px;gap:15px}.nav-actions{gap:12px}.brand{gap:8px}.brand small{font-size:6px;letter-spacing:1.5px}.brand img{width:31px;height:31px}.brand strong{font-size:13px}.nav-download{display:none}.wrap{width:calc(100% - 40px)}.hero{min-height:780px;justify-content:flex-start}.hero-visual{inset:0 0 auto 0;height:410px;opacity:.9}.hero-visual img{object-fit:contain;object-position:center top}.hero-wash{background:linear-gradient(0deg,var(--bg) 40%,var(--shade) 54%,var(--hero-fade) 82%),linear-gradient(90deg,var(--bg) 0%,var(--hero-fade) 15%,var(--hero-fade) 90%,var(--bg) 100%)}.hero-content{padding-top:300px;padding-bottom:145px}.hero-content>.eyebrow{font-size:7px;letter-spacing:1.35px}.hero-kicker{margin:17px 0 12px;font-size:8px;letter-spacing:1.5px}.hero h1{font-size:40px;letter-spacing:-1px;line-height:1.4}.hero-description{font-size:11px;line-height:1.9;margin-top:14px}.hero-actions{margin-top:23px;gap:20px}.button{font-size:11px;padding:12px 15px;min-height:46px;gap:9px}.button svg:last-child{margin-left:5px;width:13px}.quiet-link{font-size:10px;gap:12px}.development-note{font-size:8px;margin-top:13px}.hero-bottom{bottom:20px;display:block}.theme-switch button span:not(.theme-orb){font-size:10px}.theme-orb{width:26px;height:26px}.theme-switch small{font-size:6px}.theme-switch{gap:20px}.art-credit{display:block;max-width:none;text-align:left;margin-top:8px;font-size:7px}.intro-line{padding-block:18px;gap:14px;font-size:6px;letter-spacing:.7px;justify-content:space-between}.section-heading h2,h2{font-size:28px}.eyebrow{font-size:8px;letter-spacing:1.5px}.section-heading .eyebrow{margin-bottom:12px}.section-intro{font-size:11px}.feature-columns{grid-template-columns:1fr}.feature-columns article{padding:25px 0;border-bottom:1px solid var(--line)}.feature-columns article+article{padding:25px 0;border-left:0}.feature-top{margin-bottom:14px}.feature-columns h3{font-size:19px}.feature-columns p{font-size:12px}.feature-columns small{margin-top:15px}.features{padding-bottom:45px}.feature-columns article:last-child{border-bottom:0}.progress-list h3{font-size:12px}.progress-list article{gap:15px}.status{font-size:9px}.download-section{padding-block:70px}.download-section h2{font-size:29px}.download-section p:not(.eyebrow){font-size:11px}.frame-caption{font-size:5px;letter-spacing:.6px;gap:8px}.product-frame figcaption{font-size:7px}.faq summary{font-size:12px}.faq details p{font-size:11px}.footer-top p{font-size:9px}html[lang=en] .hero h1{font-size:35px;line-height:1.2;letter-spacing:-1px;max-width:360px}html[lang=en] .hero-description{max-width:350px;font-size:11px}html[lang=en] .section-heading h2,html[lang=en] h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}