:root{--paper:#fcf8f8;--ink:#42353e;--muted:#81717b;--line:#ebdde3;--accent:#97566f;--white:#ffffff;--primary:#97566f;--radius:12px;--max:1160px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:30px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:5px}
a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.skip{position:absolute;top:-100px;left:20px;padding:12px;background:white;z-index:10}
.skip:focus{top:10px}
.site-header{max-width:var(--max);margin:auto;min-height:106px;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:19px;font-weight:650;white-space:nowrap}
.brand img{border-radius:11px}
.site-header nav{display:flex;gap:26px;margin-left:auto;font-size:14px}
.site-header nav a{text-decoration:none;color:var(--muted);padding:8px 0}
.site-header nav a[aria-current]{color:var(--ink);border-bottom:2px solid var(--ink)}
.language{font-size:13px;white-space:nowrap;border:1px solid var(--line);border-radius:30px;padding:9px 14px;text-decoration:none}
main{max-width:var(--max);margin:auto}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:36px;align-items:center;min-height:690px;padding:52px 0 65px}
.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650;margin:0 0 25px;color:var(--muted)}
h1{font-size:clamp(45px,5.1vw,70px);line-height:1.22;letter-spacing:-2px;margin:0 0 24px;font-weight:650}
.intro{font-size:17px;line-height:1.95;max-width:440px;color:var(--muted)}
.actions{display:flex;align-items:center;gap:25px;margin-top:32px}
.button{display:inline-flex;gap:28px;justify-content:center;align-items:center;padding:16px 23px;border-radius:9px;background:var(--primary);color:white;text-decoration:none;font-size:14px;font-weight:550}
.text-link{font-size:14px;text-decoration:none}
.platform{font-size:12px;color:var(--muted);margin-top:25px}
.platform span{margin:0 9px}
.illustration{height:550px;position:relative;background:radial-gradient(ellipse at center,#ebdde3 0%,#f3e9ed 46%,transparent 70%);isolation:isolate}
.sheet{position:absolute;width:268px;border:1px solid #ebdde3;border-radius:14px;background:var(--white);padding:24px;box-shadow:0 20px 50px #42353e12}
.sheet-back{left:8%;top:88px;height:315px;transform:rotate(-13deg);opacity:.8}
.sheet-front{right:10%;top:32px;transform:rotate(7deg);height:455px}
.sheet-heading{display:flex;align-items:center;gap:7px;font-size:8px;letter-spacing:1px;color:var(--muted)}
.sheet-heading>span:last-child{margin-left:auto}
.dot{background:var(--accent);width:7px;height:7px;border-radius:50%}
.sheet h2{font-size:29px;font-weight:550;line-height:1.3;letter-spacing:1px;margin:21px 0}
.landscape{height:124px;border-radius:5px;position:relative;overflow:hidden;background:#f3e9ed;margin:20px 0}
.landscape:before,.landscape:after{content:"";position:absolute;width:230px;height:155px;transform:rotate(35deg);background:#c8a3b2;left:-45px;top:65px;border-radius:25px}
.landscape:after{background:#97566f;left:85px;top:72px}
.sun{width:33px;height:33px;border-radius:50%;background:var(--accent);position:absolute;top:18px;right:38px}
.mini-line{height:5px;border-radius:4px;background:#ebdde3;margin:12px 0}
.mini-line.short{width:64%}
.seam{border-top:2px dashed var(--accent);margin:22px -35px 16px;position:relative}
.seam span{position:absolute;top:-13px;left:-8px;color:#97566f;background:var(--paper)}
.quote{font-size:12px;margin-top:22px;padding-left:10px;border-left:2px solid var(--accent)}
.floating-note{position:absolute;left:7%;top:7px;font-family:Georgia,serif;font-size:16px;transform:rotate(-9deg)}
.floating-tag{position:absolute;left:2%;bottom:58px;border-radius:30px;padding:13px 21px;background:var(--primary);color:white;font-size:12px;box-shadow:0 8px 20px #42353e18}
.visual-caption{position:absolute;bottom:4px;right:15%;font-size:10px;color:var(--muted)}
.features{padding:55px 0 76px;border-top:1px solid var(--line)}
.section-heading h2,.privacy-banner h2,.help-line h2{font-size:30px;letter-spacing:-.6px;font-weight:550;line-height:1.45;margin:0}
.section-heading .eyebrow{margin-bottom:16px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:50px}
.number{font-family:Georgia,serif;font-size:18px;color:#97566f}
.feature h3{font-size:19px;font-weight:600;margin:19px 0 12px}
.feature p,.privacy-banner p{font-size:14px;line-height:1.9;color:var(--muted);margin-bottom:0}
.privacy-banner{background:#f3e9ed;border:1px solid #ebdde3;border-radius:var(--radius);padding:45px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.privacy-banner .eyebrow{margin-bottom:15px}
.privacy-banner p{max-width:630px}
.outline{border:1px solid #c8a3b2;background:transparent;color:var(--ink);white-space:nowrap}
.help-line{display:flex;justify-content:space-between;align-items:center;padding:68px 0}
.help-line h2{font-size:24px}
.help-line a{font-size:14px}
footer{max-width:var(--max);margin:auto;border-top:1px solid var(--line);padding:35px 0 45px;display:flex;justify-content:space-between;gap:30px;font-size:12px;color:var(--muted);line-height:1.7}
.footer-brand{font-size:18px;font-weight:600;color:var(--ink)}
.footer-brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:10px}
footer p{margin:0 0 5px}
footer .copyright{margin-top:16px;font-size:11px}
.document{max-width:780px;margin:65px auto 90px}
.document h1{font-size:44px}
.document .date{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:36px}
.document section{margin:30px 0}
.document h2{font-size:20px;font-weight:600;line-height:1.5}
.document section p{font-size:15px;line-height:1.95;color:#675660;overflow-wrap:anywhere}
html[lang=en] .brand{font-size:16px}
html[lang=en] h1{font-size:60px}
html[lang=en] .document h1{font-size:44px}
@media(max-width:1220px){.site-header,main,footer{margin-left:30px;margin-right:30px}
}
@media(max-width:850px){.site-header{gap:15px;flex-wrap:wrap;padding:22px 0}
.site-header nav{order:3;width:100%;margin:0;justify-content:space-between;gap:15px}
.language{margin-left:auto}
.hero{gap:10px;min-height:0;padding-top:45px}
.hero h1,html[lang=en] .hero h1{font-size:44px}
.illustration{height:500px}
.sheet-front{right:0;width:230px}
.sheet-back{left:0;width:220px}
.floating-note{font-size:13px}
.floating-tag{bottom:5px}
.visual-caption{bottom:-16px}
.feature-grid{gap:23px}
.privacy-banner{padding:32px;display:block}
.privacy-banner .button{margin-top:24px}
.intro{font-size:15px}
.platform{line-height:1.8}
}
@media(max-width:600px){.site-header,main,footer{margin-left:22px;margin-right:22px}
.brand{font-size:18px}
.site-header nav{font-size:12px}
.hero{grid-template-columns:1fr;padding:45px 0}
.hero h1,html[lang=en] .hero h1{font-size:48px}
.hero .eyebrow{margin-bottom:22px}
.intro{font-size:16px}
.illustration{height:495px;margin-top:40px}
.sheet-front{right:8%;width:250px}
.sheet-back{left:5%;width:245px}
.floating-tag{bottom:10px}
.floating-note{left:0}
.visual-caption{right:8%;bottom:-13px}
.features{padding:40px 0}
.section-heading h2,.privacy-banner h2{font-size:26px}
.feature-grid{grid-template-columns:1fr;gap:25px;margin-top:35px}
.feature{padding:24px;border-bottom:0}
.feature:last-child{border-bottom:0;padding-bottom:24px}
.feature h3{margin-top:12px}
.privacy-banner{padding:28px 24px;border-radius:18px}
.help-line{display:block;padding:42px 0}
.help-line h2{margin-bottom:14px}
footer{display:block;padding-top:25px}
footer>div+div{margin-top:25px}
.document{margin:42px auto 60px}
.document h1,html[lang=en] .document h1{font-size:36px;letter-spacing:-1px}
.document h2{font-size:19px}
.document section p{font-size:15px}
html[lang=en] .brand{font-size:14px;gap:8px}
.language{font-size:12px;padding:8px 10px}
.brand img{width:32px;height:32px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}


/* Match the shared iOS / HarmonyOS WorkshopTheme tokens and white cards. */
.feature{background:var(--white);padding:26px;border-radius:var(--radius);box-shadow:0 4px 12px #97566f12}
.feature-grid{gap:22px}
.document section{background:var(--white);padding:22px 26px;border-radius:var(--radius);box-shadow:0 4px 12px #97566f0d}
.document section h2{margin-top:0}
.document section p{margin-bottom:0}
@media(max-width:600px){.document section{padding:20px}.privacy-banner{border-radius:12px}}