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72px}.document aside{border-right:1px solid var(--line);padding-right:24px}.document aside nav{position:sticky;top:24px}.document aside h2{font-size:26px;font-weight:600;margin-bottom:24px}.document aside a{display:flex;gap:16px;text-decoration:none;font-size:17px;margin-bottom:18px}.document aside a span{color:var(--gold);font-family:var(--serif);font-style:italic}.summary{padding:20px 28px;background:#f3eadd;border-radius:10px;font-family:var(--serif);font-size:29px;line-height:1.35}.document article section{padding-block:32px;border-bottom:1px solid var(--line);scroll-margin-top:24px}.document article h2{font-size:38px;display:flex;gap:20px;margin-bottom:22px;line-height:1.25}.document article h2 span{color:var(--gold);font-style:italic}.document article p{overflow-wrap:anywhere}.email{margin-top:36px}.not-found{min-height:65vh;padding-block:96px}.not-found h1{font-size:64px}.not-found p{margin-block:24px 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html[lang=zh-Hans] h1{line-height:1.3;letter-spacing:0}html[lang=zh-Hans] h2,html[lang=zh-Hans] h3{line-height:1.35;letter-spacing:0}html[lang=zh-Hans] .hero .intro{max-width:550px}
@media(min-width:1600px){.hero{gap:88px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header{gap:20px}.header nav{gap:22px}.languages{margin-left:8px}.brand{font-size:24px;gap:10px}.brand img{width:44px;height:44px}.hero{gap:36px}.hero h1{letter-spacing:-2px}.intro{font-size:21px}.hero-art{border-radius:36px}.actions{gap:18px}.button,.text-link{font-size:18px}.light{gap:32px}.light h2{font-size:40px}.features{gap:30px}.features h3{font-size:28px}.privacy-band h2{font-size:44px}.document-grid{grid-template-columns:190px minmax(0,1fr);gap:32px}.document aside a{font-size:15px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{display:grid;grid-template-columns:1fr auto;gap:16px;padding-block:18px;min-height:auto}.brand{font-size:23px}.brand img{width:40px;height:40px;border-radius:10px}.brand-zh{font-size:19px}.languages{grid-column:2;grid-row:1;margin-left:0;font-size:17px}.header nav{grid-column:1/-1;grid-row:2;margin:0;justify-content:space-between;gap:16px;font-size:18px}.hero{grid-template-columns:1fr;gap:32px;padding-block:40px}.hero h1{font-size:clamp(42px,11.4vw,72px);letter-spacing:-1.5px}.intro{font-size:19px;margin-top:22px}.actions{gap:20px;margin-top:28px}.button{min-height:50px;padding:12px 20px;font-size:18px}.text-link{font-size:18px}.availability{font-size:14px;margin-top:22px}.hero figure{width:100%;max-width:420px;justify-self:center}.hero-art{border-radius:34px}figcaption{font-size:16px}.light{grid-template-columns:1fr;gap:30px;padding-block:36px}.light h2{font-size:38px}.light p{font-size:18px;margin-top:16px}.tone-buttons{gap:12px}.tone-buttons button{font-size:19px;min-height:46px}.light .preview-note{font-size:14px;margin-top:18px}input[type=range]{margin:8px 0 28px;height:24px}.features{grid-template-columns:1fr;gap:30px;padding-block:36px 42px}.features article+article{border-top:1px solid var(--line);padding-top:26px}.features h3{font-size:30px}.features p{margin-top:14px;font-size:18px}.number{font-size:24px}.privacy-band{padding-block:36px}.privacy-band>.wrap{grid-template-columns:1fr;gap:24px}.privacy-band h2{font-size:42px}.privacy-band .wrap>div{border:0;padding:0}.privacy-band p{font-size:20px}.privacy-band a{font-size:18px;margin-top:16px}.footer{min-height:100px;font-size:13px;gap:14px;flex-wrap:wrap;padding-block:24px}.footer>div{gap:14px}.document-head{padding-block:36px 28px}.document h1{font-size:44px;letter-spacing:-1px}.meta{font-size:15px}.document-grid{grid-template-columns:1fr;gap:30px;padding-block:26px 48px}.document aside{border-right:0;border-bottom:1px solid var(--line);padding:0 0 16px}.document aside nav{position:static;display:grid;grid-template-columns:1fr 1fr;column-gap:16px}.document aside h2{grid-column:1/-1;font-size:22px;margin-bottom:18px}.document aside a{font-size:14px;gap:8px;margin-bottom:12px}.summary{font-size:25px;padding:20px}.document article h2{font-size:29px;gap:12px;margin-bottom:18px}.document article section{padding-block:28px}.document article p{font-size:17px}.not-found{padding-block:50px}.not-found h1{font-size:44px}}
@media(min-width:761px) and (max-width:1100px){.wrap{width:calc(100% - 88px)}.hero{gap:64px;padding-block:60px 48px}.hero h1{font-size:clamp(54px,7.8vw,82px);letter-spacing:-2.5px}.hero .intro{font-size:24px;line-height:1.35}.hero .actions{gap:16px;margin-top:36px}.hero .button{font-size:22px}.hero .text-link{font-size:20px}.hero-art{border-radius:44px}.light h2{font-size:48px}.features h3{font-size:34px}.privacy-band h2{font-size:52px}}
@media(max-width:360px){.brand-zh{display:none}.header{column-gap:12px}.brand{font-size:22px}.header nav{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}