:root{--paper:#fcfaf6;--surface:#fff;--ink:#25232a;--muted:#625e68;--accent:#6030c8;--wash:#eee8f8;--line:#ded9d1;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;font-size:17px;line-height:1.75}a{color:inherit;text-decoration:none}p{margin:0 0 1.25em}img{max-width:100%;height:auto;display:block}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:hover{color:var(--accent)}h1,h2,h3{letter-spacing:-.035em;overflow-wrap:break-word;font-family:Georgia,Songti SC,Noto Serif CJK SC,serif;font-weight:500;line-height:1.25}h1{margin:0 0 28px;font-size:clamp(40px,4.9vw,64px)}h2{white-space:pre-line;margin:0 0 24px;font-size:clamp(30px,3.4vw,43px)}h3{margin:0 0 16px;font-size:26px}small,.micro{color:var(--muted);font-size:13px}.wrap{width:min(1160px,100% - 64px);margin-inline:auto}.header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:28px;min-height:100px;display:flex}.brand{white-space:nowrap;align-items:center;gap:10px;font-size:20px;font-weight:650;display:flex}.brand img{border-radius:9px}.brand small{letter-spacing:.13em;margin-left:3px;font-size:10px}.header nav{gap:30px;font-size:14px;display:flex}.header-actions{align-items:center;gap:26px;display:flex}.language{font-size:13px}.button{background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:8px;justify-content:center;align-items:center;gap:14px;padding:14px 24px;font-size:15px;font-weight:550;line-height:1.5;transition:background .2s;display:inline-flex}.button:hover{color:#fff;background:#482099}.button.small{padding:10px 18px;font-size:13px}.button.secondary{color:var(--accent);background:0 0}.text-link{color:var(--accent);border-bottom:1px solid #bba6e5;align-items:center;gap:20px;padding:0 0 5px;font-size:15px;display:inline-flex}.eyebrow{letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin:0 0 22px;font-size:11px;font-weight:650}.hero{grid-template-columns:1.04fr 1fr;align-items:center;gap:70px;min-height:760px;padding-top:56px;padding-bottom:58px;display:grid}.hero-copy{padding-bottom:25px}.hero h1{max-width:620px}.hero .lead{max-width:425px}.lead{color:var(--muted);font-size:18px;line-height:1.8}.hero-actions{flex-direction:column;align-items:flex-start;gap:23px;margin:32px 0 20px;display:flex}.hero-art{padding:10px 42px 24px 50px;position:relative}.hero-art:before{content:"";z-index:-1;background:#eee8df;border-radius:46% 46% 10% 10%;position:absolute;inset:100px -15px 35px 0;transform:rotate(-7deg)}.screenshot{max-width:325px;margin:0 auto}.screenshot img{border:1px solid #e6dfdc;border-radius:22px;width:100%;box-shadow:0 20px 50px #30243b0a}.screenshot figcaption{color:var(--muted);text-align:center;margin-top:16px;font-size:11px;line-height:1.6}.hero-art .screenshot{max-width:285px;transform:rotate(3deg)}.art-note{writing-mode:vertical-rl;letter-spacing:.15em;font-family:Georgia,Songti SC,serif;font-size:15px;position:absolute;top:13px;right:-10px}.margin-note{background:var(--paper);white-space:pre-line;padding:15px 21px;font-size:13px;line-height:1.7;position:absolute;bottom:8px;left:-6px;transform:rotate(-3deg);box-shadow:0 8px 28px #25232a08}.margin-note span{letter-spacing:.12em;color:var(--accent);font-size:10px;display:block}.tiny-island{color:var(--accent);vertical-align:-1px;margin-right:8px;font-size:18px}.chapter-strip{border-block:1px solid var(--line);letter-spacing:.1em;color:var(--muted);justify-content:space-between;gap:20px;padding:20px 0;font-size:10px;display:flex}.editorial-section{grid-template-columns:1fr 1fr;align-items:center;gap:90px;padding-top:95px;padding-bottom:52px;display:grid}.section-text{color:var(--muted);padding-top:20px}.section-text p{max-width:440px}.demo{background:#f0ece5;border:1px solid #e4ddd4;border-radius:12px;grid-template-columns:1fr 1fr;gap:16px 60px;padding:44px 60px;display:grid;position:relative}.demo-top h3{max-width:310px;font-size:30px}.demo-buttons{flex-wrap:wrap;grid-column:1;align-self:start;align-items:start;gap:8px;display:flex}.demo-buttons button{color:var(--muted);background:0 0;border:1px solid #d5ccc0;border-radius:30px;padding:7px 15px;font-size:13px}.demo-buttons button[aria-pressed=true]{background:var(--surface);color:var(--accent);border-color:var(--surface)}.demo-state{background:var(--paper);border-radius:6px;grid-area:1/2/4;padding:32px;box-shadow:0 10px 30px #49403308}.demo-date{letter-spacing:.1em;color:var(--muted);font-size:10px}.demo blockquote{margin:0 0 28px;font-family:Georgia,Songti SC,serif;font-size:22px;line-height:1.7}.demo-explanation{border-top:1px solid var(--line);color:var(--muted);margin-bottom:0;padding-top:18px;font-size:13px}.demo>small{grid-column:1;max-width:330px;font-size:11px}.demo[data-mode=memory] .demo-state{background:#e9e2ef}.demo[data-mode=calendar] .demo-date{color:var(--accent);font-weight:700}.memory-section{background:#f0edf4;margin:30px 0 0;padding:70px 0}.split{grid-template-columns:1fr 1fr;align-items:center;gap:100px;display:grid}.split .screenshot{max-width:270px}.split>div p:not(.eyebrow){color:var(--muted);max-width:410px}.section{padding-block:90px}.two-columns{grid-template-columns:1fr 1fr;gap:80px;margin-top:45px;display:grid}.two-columns article{border-top:1px solid var(--line);padding-top:28px}.two-columns p{color:var(--muted)}.line-symbol{color:var(--accent);letter-spacing:.07em;margin-bottom:28px;font-size:25px;display:block}.connections{text-align:center;border-block:1px solid var(--line);padding:72px 110px}.connections h2{max-width:800px;margin-inline:auto}.connections p:not(.eyebrow){color:var(--muted);max-width:630px;margin-inline:auto}.tokens{flex-wrap:wrap;justify-content:center;gap:12px;margin:30px 0;display:flex}.tokens span{border:1px solid var(--line);background:#fff;border-radius:30px;padding:6px 18px;font-size:14px}.tokens span:nth-child(2){background:var(--wash);border-color:var(--wash)}.trust-row{grid-template-columns:1fr 1fr;gap:65px;padding-top:90px;display:grid}.trust-row h2{font-size:35px}.trust-row>div>p:not(.eyebrow){color:var(--muted)}.inline-links{color:var(--accent);flex-wrap:wrap;gap:26px;font-size:14px;display:flex}.link-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;display:grid}.entry-link{border-top:1px solid var(--line);padding:24px 0;display:block}.entry-link h3{max-width:340px;font-size:25px}.entry-link>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.8}.entry-link>span:last-child{color:var(--accent)}.entry-link .eyebrow{display:block}.closing{background:var(--wash);border-radius:12px;justify-content:space-between;align-items:center;gap:40px;margin-top:30px;padding:50px;display:flex}.closing h2{max-width:620px;font-size:34px}.closing p:not(.eyebrow){max-width:620px;color:var(--muted);margin:0;font-size:15px}.closing .button{flex-shrink:0}.footer{justify-content:space-between;gap:60px;padding:62px 0 38px;font-size:13px;display:flex}.footer .brand{font-size:17px}.footer p{color:var(--muted);margin:15px 0}.footer-links{grid-template-columns:1fr 1fr;align-content:start;gap:10px 45px;display:grid}.breadcrumb{color:var(--muted);gap:12px;padding-top:28px;font-size:12px;display:flex}.page-heading{max-width:930px;padding-top:58px;padding-bottom:55px}.page-heading h1{max-width:900px;font-size:clamp(36px,4.6vw,58px)}.page-heading .lead{max-width:750px}.page-content{max-width:930px}.page-content.has-visual{grid-template-columns:1fr 310px;gap:100px;max-width:1160px;display:grid}.prose{max-width:740px;margin:0 auto;font-size:17px}.prose h2{letter-spacing:-.02em;margin-top:48px;margin-bottom:20px;font-size:29px}.prose h2:first-child{margin-top:0}.prose h3{font-size:24px}.prose p,.prose li{color:#4b4651}.prose a{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.prose strong{color:var(--ink);font-weight:600}.prose ul,.prose ol{padding-left:1.5em}.prose li{margin-bottom:10px;padding-left:4px}.prose blockquote{background:#f0ece5;border-left:2px solid #b69b73;margin:25px 0;padding:20px 25px;font-family:Georgia,Songti SC,serif}.prose blockquote p:last-child{margin:0}.prose table{border-collapse:collapse;width:100%;margin-block:30px;font-size:14px;display:block;overflow-x:auto}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;min-width:130px;padding:13px 15px}.prose th{background:#f0ece5;font-weight:600}.page-visual .screenshot{position:sticky;top:30px}.faq-section{grid-template-columns:240px 1fr;gap:40px;max-width:930px;margin-top:75px;display:grid}.faq-section h2{font-size:30px}.faq-section details{border-top:1px solid var(--line);padding:19px 0}.faq-section details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;justify-content:space-between;gap:25px;font-size:16px;font-weight:550;list-style:none;display:flex}summary::-webkit-details-marker{display:none}details p{color:var(--muted);margin:18px 0 0;font-size:15px}details[open] summary span{transform:rotate(45deg)}.related{padding-bottom:30px}.download-panel{background:var(--wash);border-radius:10px;align-items:center;gap:25px;margin-top:36px;padding:25px;display:flex}.download-panel .button{color:#fff;text-decoration:none}.qr{width:150px;min-width:120px;line-height:0}.qr svg{width:100%;height:auto}.download-panel .micro{margin:15px 0 0}.skip{z-index:10;background:#fff;padding:12px;position:absolute;top:-80px;left:20px}.skip:focus{top:10px}.text-button{text-align:left;color:inherit;background:0 0;border:none;padding:0;font-size:13px}.error-page{padding-block:90px}.error-page p{max-width:650px}.error-page h1{margin-top:30px}[hidden]{display:none!important}@media (width>=960px){html[lang=en] .hero h1{font-size:64px;line-height:1.06}html[lang=en] .hero{gap:40px}html[lang=en] .closing h2{max-width:550px}}@media (width<=959px){.header{gap:18px}.header nav{gap:17px}.header-actions{gap:15px}.brand small{display:none}.hero{gap:25px;min-height:0}.hero-art{padding-inline:20px}.art-note{right:-10px}.margin-note{left:-15px}.hero h1{font-size:45px}.editorial-section,.split{gap:45px}.demo{gap:24px;padding:30px}.demo-top h3{font-size:26px}.connections{padding-inline:30px}.closing{display:block}.closing .button{margin-top:25px}.page-content.has-visual{grid-template-columns:1fr 250px;gap:45px}.faq-section{grid-template-columns:1fr;gap:10px}.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer{gap:30px}}@media (width<=639px){body{font-size:17px}.wrap{width:calc(100% - 40px)}.header{flex-wrap:wrap;gap:0;min-height:110px;padding-block:16px}.brand{font-size:18px}.brand img{width:30px;height:30px}.header nav{flex-basis:100%;order:3;justify-content:space-between;gap:10px;margin-top:17px;font-size:12px}.header-actions{margin-left:auto}.header-download{display:none}.hero{padding-top:43px;padding-bottom:35px;display:block}.hero h1{font-size:39px;line-height:1.32}.desktop-break{display:none}.hero .lead{max-width:100%;font-size:17px}.hero-copy{padding:0}.hero-actions{gap:19px;margin:26px 0 17px}.hero .eyebrow{font-size:10px}.hero-art{max-width:360px;margin:35px auto 0;padding:8px 45px 12px}.hero-art .screenshot{max-width:235px}.hero-art:before{inset:50px 0 20px}.art-note{font-size:12px;top:10px;right:0}.margin-note{padding:12px;font-size:11px;bottom:20px;left:0}.screenshot figcaption{font-size:10px}.chapter-strip{flex-direction:column;gap:6px;padding-block:15px;font-size:8px}.editorial-section{grid-template-columns:1fr;gap:5px;padding-top:55px;padding-bottom:25px}.section-heading h2{font-size:30px}.section-text{padding-top:0}.eyebrow{margin-bottom:18px}.demo{flex-direction:column;gap:20px;padding:24px;display:flex}.demo-top h3{margin:0;font-size:24px}.demo-buttons{gap:6px}.demo-buttons button{padding:7px 12px;font-size:12px}.demo-state{padding:24px}.demo blockquote{font-size:20px}.demo>small{font-size:10px}.memory-section{margin-top:20px;padding:44px 0}.split{flex-direction:column-reverse;gap:30px;display:flex}.split .screenshot{max-width:240px}.split h2{font-size:32px}.section{padding-block:55px}.two-columns{grid-template-columns:1fr;gap:35px;margin-top:25px}.line-symbol{margin-bottom:20px}.connections{padding:45px 8px}.connections h2{font-size:29px}.tokens{gap:8px}.tokens span{padding:5px 13px;font-size:12px}.trust-row{grid-template-columns:1fr;gap:5px;padding-top:50px}.trust-row h2{font-size:30px}.inline-links{gap:20px;font-size:13px}.link-grid{grid-template-columns:1fr;gap:5px}.entry-link{padding:24px 0}.entry-link h3{max-width:100%;font-size:24px}.closing{margin-top:10px;padding:30px 24px}.closing h2{font-size:30px}.closing .button{font-size:13px}.footer{padding:40px 0 28px;display:block}.footer-links{gap:12px 25px;margin-top:30px}.breadcrumb{padding-top:22px;font-size:11px}.page-heading{padding-top:35px;padding-bottom:35px}.page-heading h1{font-size:36px;line-height:1.3}.page-heading .lead{font-size:17px}.page-content.has-visual{flex-direction:column;gap:38px;display:flex}.page-visual .screenshot{max-width:270px;position:static}.prose{min-width:0;max-width:100%}.prose h2{margin-top:36px;font-size:26px}.faq-section{margin-top:45px}.faq-section h2{font-size:28px}.download-panel{flex-direction:column;align-items:flex-start;padding:20px}.related{padding-bottom:25px}}@media (prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important;animation:none!important}}@media print{.header,.footer,.closing,.hero-actions{display:none}body{background:#fff}.wrap{width:100%}.screenshot{max-width:180px}}.screenshot-window{aspect-ratio:660/1000;background:#f8eff2;border-radius:22px;position:relative;overflow:hidden;box-shadow:0 20px 50px #30243b0a}.screenshot-window img{top:calc(-1 * var(--image-offset));box-shadow:none;border:0;border-radius:0;position:absolute;left:0}.hero{overflow:clip}.screenshot figcaption,.micro,.demo>small{font-size:14px}h1,h2,h3{text-wrap:balance}.page-heading.text-only,.page-content:not(.has-visual){max-width:740px}.demo-figure{text-align:center;min-width:0;max-width:740px;margin:38px auto}.demo-figure>.device{width:min(100%,270px);margin-inline:auto}.demo-figure figcaption{color:var(--muted);margin-top:18px;font-size:13px;line-height:1.65}.demo-steps ol{overscroll-behavior-inline:contain;scroll-snap-type:x mandatory;gap:22px;padding:0;list-style:none;display:flex;overflow-x:auto}.demo-steps li{scroll-snap-align:start;flex:0 0 min(31%,210px);min-width:0;margin:0;padding:0}.demo-steps-2 li{flex:1 1 0;max-width:320px}.demo-steps-3 li{flex:1 1 0;max-width:235px}.demo-step-number{background:var(--wash);width:28px;height:28px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;margin-top:12px;font-size:13px;font-weight:650;display:inline-flex}.hero-demo{margin-top:0}.hero-demo>.device{width:min(100%,300px)}.feature-updated{border-top:1px solid var(--line);margin-top:46px;padding-top:20px}@media (width<=639px){.demo-steps ol{gap:12px;margin-right:0}.demo-steps li,.demo-steps-2 li,.demo-steps-3 li{flex:0 0 min(65%,220px)}.demo-figure>.device{width:min(100%,250px)}.page-content.has-visual .page-visual{order:-1}}html[lang=zh-Hans] :is(h1,h2,h3){text-wrap:pretty}.title-part{display:inline-block}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.art-note{right:6px}.tokens .pin{vertical-align:-1px;color:var(--accent);margin-right:2px;display:inline-block}.breadcrumb-row{max-width:740px}.breadcrumb-row.wide,.page-heading.with-visual,.page-heading.wide-heading{max-width:1160px}.page-heading.with-visual>*,.page-heading.wide-heading>*{max-width:760px}.page-heading.wide-heading h1{max-width:900px}.page-content.has-visual .prose{margin:0}.page-visual .screenshot{position:static}.page-visual .demo-figure{margin-top:0;position:sticky;top:30px}.group-nav{flex-wrap:wrap;gap:10px;margin-top:34px;display:flex;max-width:none!important}.group-nav a{border:1px solid var(--line);background:var(--surface);border-radius:30px;align-items:center;gap:8px;padding:6px 16px;font-size:14px;display:inline-flex}.group-nav a span{color:var(--muted);font-size:11px}.group-nav a:hover{border-color:#bba6e5}.list-group{padding-top:46px;scroll-margin-top:24px}.group-title{margin-bottom:26px;font-size:27px}.entry-link h3{max-width:none}.entry-link.has-thumb{border-top:0;padding-top:0}.entry-thumb{aspect-ratio:16/10;background:#f0ebe3;border-radius:12px;margin-bottom:22px;padding-top:24px;transition:background .2s;display:block;overflow:hidden}.entry-thumb .device{filter:drop-shadow(0 12px 22px #25232a1f);width:44%;margin:0 auto}.entry-link:hover .entry-thumb{background:var(--wash)}.index-notes{border-top:1px solid var(--line);margin-top:60px;padding-top:56px}.index-notes .prose h2{font-size:25px}.teaser-head{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:40px;display:flex}.teaser-head h2{margin:0}.teaser-head .text-link{flex-shrink:0}.guide-teaser .link-grid{margin-top:0}.calendar-split{padding-top:95px;padding-bottom:40px}.calendar-split .screenshot{max-width:270px;margin-inline:auto}.calendar-split>div p:not(.eyebrow){color:var(--muted);max-width:440px}.related-guides{padding-bottom:50px}.guide-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;margin-bottom:26px;display:grid}.guide-links .entry-link{padding:20px 0}.guide-links .entry-link h3{font-size:21px}.faq-section.single summary span{display:none}.footer-columns{gap:56px;display:flex}.footer-columns .footer-links{flex-direction:column;gap:10px;display:flex}.footer .footer-title{color:var(--ink);margin:0 0 4px;font-size:13px;font-weight:600}@media (width<=959px){.footer{flex-wrap:wrap}.footer-columns{gap:36px}.teaser-head{display:block}.teaser-head .text-link{margin-top:20px}}@media (width<=639px){.header-download{gap:6px;padding:8px 12px;font-size:12px;display:inline-flex}.header-actions{gap:12px}.group-nav{gap:8px;margin-top:26px}.group-nav a{padding:5px 13px;font-size:13px}.list-group{padding-top:34px}.group-title{margin-bottom:14px;font-size:23px}.entry-thumb{aspect-ratio:16/9}.entry-thumb .device{width:40%}.calendar-split{padding-top:55px;padding-bottom:10px}.calendar-split .screenshot{max-width:240px}.guide-links{grid-template-columns:1fr;gap:0}.footer-columns{flex-wrap:wrap;gap:28px 40px;margin-top:30px}.footer-columns .footer-links{margin-top:0}.index-notes{margin-top:40px;padding-top:36px}}.group-head{justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:26px;display:flex}.group-head .group-title{margin:0}.group-head .text-link{gap:10px;font-size:14px}.faq-section.narrow{grid-template-columns:1fr;gap:6px;max-width:740px}.faq-section.narrow h2{font-size:26px}@media (width<=639px){.group-head{margin-bottom:14px;display:block}.group-head .text-link{margin-top:10px}}.page-content.index-notes{max-width:1160px}.index-notes .prose{margin:0}.device{aspect-ratio:611/1250;filter:drop-shadow(0 24px 38px #25232a24);width:100%;position:relative}.device-screen{background:#eee8df;border-radius:14.2%/6.55%;width:89.69%;height:95.28%;position:absolute;top:2.36%;left:5.155%;overflow:hidden}.device>.device-screen>img,.device>.device-screen>video{object-fit:cover;object-position:top;width:100%;height:100%;box-shadow:none;border:0;border-radius:0;display:block}.device>.device-bezel{width:100%;height:100%;box-shadow:none;pointer-events:none;border:0;border-radius:0;position:absolute;inset:0}