/* Peixing / 2026.10 — warm paper, precise ink, space to think.
   Marketing composition is scoped separately from the faithful product UI. */
:root{--paper:#f5f3ee;--surface:#fdfcf9;--ink:#20211f;--muted:#69685f;--line:#d9d7cd;--red:#a53724;--section-space:168px;--ease-out:cubic-bezier(.22,1,.36,1)}
html{scroll-padding-top:106px}body{background:var(--paper)}::selection{color:#fdfcf9;background:#45493c}
.wrap{width:min(1320px,calc(100% - 112px))}h1,h2,h3{text-wrap:balance}h1,h2{font-weight:500}h2{font-size:clamp(36px,3.5vw,52px);line-height:1.4;letter-spacing:-.055em}.section-heading{grid-template-columns:1.2fr 1fr;gap:100px}.section-heading>p{max-width:27em;padding-top:9px;font-size:18px;line-height:1.95}.section-intro{margin-bottom:72px}.eyebrow{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:500;letter-spacing:.08em;margin-bottom:30px;color:var(--muted)}.label-rule{width:28px;height:1px;background:currentColor;display:inline-block}
.nav-shell{background:#f5f3eeed;backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}.nav-shell.is-scrolled{border-color:var(--line);box-shadow:0 6px 18px #25261f03}.nav{height:84px}.brand img{width:74px}.nav-center{gap:34px;font-size:13px}.nav-center>a{position:relative;color:var(--muted)}.nav-center>a:hover,.nav-center>a[aria-current]{color:var(--ink)}.nav-center>a:after{content:'';position:absolute;left:0;right:0;bottom:6px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease-out)}.nav-center>a:hover:after,.nav-center>a[aria-current]:after{transform:scaleX(1)}
.pill{border-radius:7px;min-height:50px;padding:13px 23px;gap:24px;box-shadow:0 1px 1px #11111412;transition:transform .25s var(--ease-out),background .2s,box-shadow .2s}.pill:hover{background:#41433c;box-shadow:0 5px 14px #20211f16;transform:translateY(-2px)}.pill:active{transform:translateY(0);box-shadow:none}.pill.small{border-radius:6px;min-height:40px;padding:8px 18px}.pill .icon,.accent-link .icon{transition:transform .25s var(--ease-out)}.pill:hover .icon{transform:translateY(2px)}.accent-link{color:var(--ink);font-size:15px;gap:16px;text-decoration:none}.accent-link:hover{color:var(--red);text-decoration:none}.accent-link:hover .icon{transform:translateX(4px)}:focus-visible{outline:2px solid var(--red);outline-offset:5px}
.hero{padding-top:82px}.hero-intro{grid-template-columns:1.5fr 1fr;gap:100px;align-items:end;margin-bottom:64px}.hero h1{font-size:clamp(60px,6.15vw,92px);letter-spacing:-.065em;line-height:1.2}.hero h1>span{display:block}.hero-last{color:#74766a}.hero-period{color:var(--ink)}.hero-lead{padding-bottom:5px;max-width:410px}.hero-lead>p:first-child{font-size:19px;line-height:1.95}.hero-actions{margin-top:30px;gap:28px}.platform-note{font-size:11px;letter-spacing:.04em;margin-top:23px}.stage-heading{display:flex;justify-content:space-between;align-items:center;margin:0 0 19px;gap:20px;font-size:12px;color:var(--muted)}.stage-heading>span:first-child{display:flex;align-items:center;gap:10px}.stage-heading i{width:5px;height:5px;border-radius:50%;background:#727b63;box-shadow:0 0 0 4px #727b630b}.stage-kicker{font-family:ui-monospace,monospace;letter-spacing:.1em;font-size:10px}.hero-figure{scroll-margin-top:0}.hero-demo-bar{background:#e5e3da;border:1px solid #d1cfc4;border-bottom:0;border-radius:12px 12px 0 0;padding:9px 22px}.hero-stage{position:relative;padding:40px 54px 47px;border-radius:0 0 12px 12px;background:#dadcd0;border:1px solid #cbd0c0;border-top:0;overflow:hidden}.workspace-lines{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.workspace-lines span{position:absolute;border:1px solid #f8f9ee9c;border-radius:50% 50% 0 0;width:1000px;height:1050px;transform:rotate(-30deg);top:-400px;right:-490px;box-shadow:20px 0 70px #71806618}.workspace-lines span:nth-child(2){right:-330px}.workspace-lines span:nth-child(3){right:-170px}.hero-desktop .px-window{box-shadow:0 30px 55px -20px #252b2645,0 4px 10px #323b2212;border-radius:10px;overflow:hidden}.hero-figure>figcaption{padding-top:16px;font-size:12px;letter-spacing:.005em}.demo-chapters button{border-radius:4px}.demo-actions button{border-radius:5px}.demo-actions button:hover{background:#cecec3}
.overview{padding-top:15px}.value-grid{gap:0;grid-template-columns:repeat(3,minmax(0,1fr))}.value-grid>article{border-top:1px solid var(--line);padding:29px 38px 0;position:relative}.value-grid>article:first-child{padding-left:0}.value-grid>article:last-child{padding-right:0}.value-grid>article+article:before{content:'';position:absolute;left:0;top:30px;bottom:0;width:1px;background:var(--line)}.value-index{font:400 12px/1.5 ui-monospace,monospace;color:var(--muted);display:block;margin-bottom:42px}.value-grid h3{font-size:23px;letter-spacing:-.03em;margin-bottom:18px}.value-grid p{font-size:16px;line-height:1.95;max-width:24em}.section-note{font-size:12px;margin-top:34px}.capabilities{padding-top:20px}.cap-tabs{gap:0;border-top:1px solid var(--line);margin-bottom:56px}.cap-tabs>button{margin:0;min-height:72px;padding:18px 22px;font-size:16px;border-bottom:2px solid transparent;transition:background .25s,color .2s,border-color .2s}.cap-tabs>button:first-child{padding-left:0}.cap-tabs>button:last-child{padding-right:0}.cap-tabs>button:hover{background:#eeece4}.cap-tabs>button[aria-selected=true]{border-bottom-color:var(--ink)}.cap-panel{grid-template-columns:.85fr 1.5fr;gap:86px;min-height:610px;align-items:center}.cap-copy h3{font-size:30px;line-height:1.5;font-weight:500;max-width:none}.cap-copy p{font-size:16px;line-height:1.95}.cap-copy li{font-size:13px;padding:12px 0}.cap-copy .accent-link{margin-top:9px}.cap-preview{border:1px solid #d2d1c6;border-radius:9px;background:#e7e7de}.cap-panel figure>figcaption{font-size:11px;line-height:1.8}.cap-panel:not([hidden]){animation:panel-in .45s var(--ease-out) both}@keyframes panel-in{from{opacity:.4;transform:translateY(9px)}to{opacity:1;transform:none}}
.devices{padding:110px 0;background:#e9e9df;border-top:1px solid #d9dace;border-bottom:1px solid #d9dace}.device-layout{grid-template-columns:1.15fr .85fr;gap:100px}.device-copy{max-width:560px}.device-copy h2{font-size:48px}.device-copy>.section-lead{font-size:18px;max-width:24em}.device-roles{grid-template-columns:1fr 1fr;gap:36px;margin-top:44px}.device-roles h3{font-size:16px;gap:8px}.device-roles p{font-size:14px}.device-portrait{position:relative}.phone-scene:before{content:'';position:absolute;width:380px;height:380px;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid #ced2c1;border-radius:50%;box-shadow:0 0 0 34px #f1f2e955,0 0 0 35px #ced2c144;pointer-events:none}.connection-note{border-color:#cdcec1;font-size:12px}.device-portrait figcaption{font-size:11px}.start{border-top:0;padding-top:0}.steps{gap:54px}.steps>article{padding-top:25px;border-top:1px solid var(--line)}.step-number{font:12px/1.5 ui-monospace,monospace;margin-bottom:33px}.steps h3{font-size:25px}.steps p{font-size:16px;min-height:94px}.steps .accent-link{font-size:14px}.faq{border-top:1px solid var(--line);padding-top:80px;grid-template-columns:1fr 1.2fr;gap:80px}.faq h2{font-size:39px;line-height:1.5}.faq-list{border-top:0}.faq summary{font-size:17px;padding:25px 2px}.faq details p{font-size:15px}.faq details[open]>div{animation:panel-in .3s var(--ease-out)}
.downloads{position:relative;padding-top:110px;border-top:1px solid var(--line);margin-bottom:130px}.download-heading h2{font-size:clamp(46px,5.2vw,76px);line-height:1.25;letter-spacing:-.06em}.download-heading>p:last-child{font-size:18px}.download-mark{position:absolute;width:170px;right:18px;top:140px;opacity:.12;pointer-events:none}.platform-grid{gap:16px}.platform-grid>a{background:#efede6;border:1px solid #dedbd1;border-radius:8px;min-height:235px;padding:29px;transition:background .25s,border-color .25s,transform .3s var(--ease-out)}.platform-grid>a:hover{transform:translateY(-5px);background:var(--surface);border-color:#aaa994}.platform-grid>a>span>.icon{transition:transform .25s}.platform-grid>a:hover>span>.icon{transform:translateX(4px)}.platform-grid h3{font-size:23px}.platform-grid p{font-size:12px}.download-foot{font-size:12px;margin-top:24px}.site-footer{background:#20231e;color:#f3f2e9;border-top:0;padding:68px 0 26px}.site-footer a:hover,.site-footer .text-button:hover{color:#fff}.footer-masthead{display:flex;align-items:end;justify-content:space-between;gap:40px;padding-bottom:60px;margin-bottom:56px;border-bottom:1px solid #4a4c43}.footer-masthead img{width:clamp(170px,26vw,320px)}.footer-masthead>span{font-size:18px;color:#c5c7b9;margin-bottom:8px}.footer-main{grid-template-columns:2.4fr 1fr 1.2fr 1fr;gap:50px}.footer-main h3{font-size:12px;color:#a4a998;letter-spacing:.04em}.footer-main>div>a,.footer-main .text-button{font-size:13px;color:#dfdfd6;min-height:37px}.footer-brand>p{font-size:13px;color:#c4c7b9}.footer-bottom{border-color:#454a3d;color:#aaaf9f;font-size:11px;margin-top:58px}.footer-bottom a{color:#c4c7b9}.footer-bottom>div{gap:24px}
dialog{border:1px solid #d0ccc1;border-radius:14px;box-shadow:0 40px 100px #20211f33;padding:36px;animation:dialog-in .28s var(--ease-out)}dialog::backdrop{background:#171b1859;backdrop-filter:blur(5px)}@keyframes dialog-in{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}.download-grid>a{border-radius:7px}.dialog-top h2{font-size:32px}.guide{padding-top:92px}.guide-heading{padding-bottom:58px;border-bottom:1px solid var(--line)}.guide-heading h1{font-size:56px}.guide-layout>aside>nav{top:115px}.guide-layout>aside a[aria-current]{color:var(--ink);font-weight:500}.guide-layout h2{font-size:34px}.guide-layout h3{font-size:21px}.guide-page .site-footer{padding-top:56px}
.brand-reveal{transition:transform .75s var(--ease-out),opacity .7s var(--ease-out)}.brand-reveal.is-pending{opacity:0;transform:translateY(22px)}
@media(min-width:1600px){.hero{padding-top:104px}.hero-intro{margin-bottom:82px}}
@media(max-width:1150px){:root{--section-space:124px}.wrap{width:calc(100% - 80px)}.hero-intro{gap:64px}.hero h1{font-size:66px}.hero-lead>p:first-child{font-size:17px}.hero-stage{padding:32px}.section-heading{gap:64px}.cap-panel{gap:50px}.device-copy h2{font-size:41px}.device-layout{gap:64px}.device-roles{grid-template-columns:1fr;gap:22px}.value-grid>article{padding-inline:28px}.download-mark{width:130px}.footer-main{gap:32px}}
@media(max-width:900px){:root{--section-space:104px}.wrap{width:calc(100% - 56px)}.nav{height:72px}.hero{padding-top:56px}.hero-intro{grid-template-columns:1fr;gap:32px;margin-bottom:50px}.hero h1{font-size:68px}.hero-lead{max-width:620px}.hero-lead>p:first-child{font-size:18px;max-width:30em}.hero-actions{margin-top:26px}.section-heading{grid-template-columns:1fr;gap:24px}.section-heading>p{max-width:34em}.section-intro{margin-bottom:44px}.value-grid>article{padding-inline:22px}.value-index{margin-bottom:30px}.value-grid h3{font-size:21px}.value-grid p{font-size:15px}.cap-panel{grid-template-columns:1fr;gap:34px;min-height:0}.cap-copy{max-width:680px}.cap-copy h3 br{display:none}.cap-copy ul{gap:20px}.cap-copy .accent-link{margin-top:0}.device-copy h2{font-size:35px}.device-portrait{max-width:240px}.phone-scene:before{width:265px;height:265px}.devices{padding:76px 0}.device-layout{gap:45px}.faq{grid-template-columns:1fr;gap:30px;padding-top:56px}.faq h2 br{display:none}.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.download-heading h2{font-size:62px}.download-mark{width:100px;top:148px;right:8px}.footer-main{grid-template-columns:repeat(3,1fr)}.footer-brand{grid-column:1/-1}.footer-masthead{margin-bottom:45px;padding-bottom:46px}.footer-masthead img{width:210px}.guide-heading h1{font-size:46px}}
@media(max-width:600px){html{scroll-padding-top:88px}:root{--section-space:88px}.wrap{width:calc(100% - 40px)}.nav{height:66px;gap:12px}.brand img{width:66px}.hero{padding-top:50px}.hero .eyebrow{font-size:11px;gap:10px;margin-bottom:27px}.hero h1{font-size:clamp(43px,11.8vw,62px);line-height:1.25;letter-spacing:-.055em}.hero-intro{gap:30px;margin-bottom:39px}.hero-lead>p:first-child{font-size:16px;line-height:1.95;max-width:25em}.hero-actions{gap:24px;margin-top:24px}.hero-actions>.pill{font-size:14px;padding-inline:20px;gap:16px;min-height:47px}.hero-actions>.accent-link{font-size:14px;gap:9px}.platform-note{font-size:10px;margin-top:20px}.stage-heading{font-size:11px;margin-bottom:14px}.stage-kicker{display:none}.hero-demo-bar{border-radius:9px 9px 0 0;padding:8px}.hero-stage{padding:24px 16px 30px;border-radius:0 0 9px 9px}.hero-phone{width:min(288px,100%)}.hero-figure>figcaption{font-size:11px;line-height:1.9;gap:8px}.eyebrow{font-size:11px;margin-bottom:20px}h2{font-size:32px;line-height:1.45}.section-heading>p{font-size:16px;padding-top:0}.value-grid{grid-template-columns:1fr;gap:32px}.value-grid>article,.value-grid>article:first-child,.value-grid>article:last-child{padding:25px 0 0}.value-grid>article+article:before{display:none}.value-index{margin-bottom:20px;font-size:11px}.value-grid h3{font-size:23px;margin-bottom:14px}.value-grid p{font-size:15px;max-width:35em}.section-note{font-size:11px;margin-top:28px}.section-intro{margin-bottom:36px}.cap-tabs{grid-template-columns:1fr 1fr;margin-bottom:36px;border-top:0}.cap-tabs>button,.cap-tabs>button:first-child,.cap-tabs>button:last-child{font-size:14px;padding:14px 10px;min-height:54px;border-bottom:1px solid var(--line)}.cap-tabs>button[aria-selected=true]{border-bottom:2px solid var(--ink)}.cap-tabs>button>span{font-size:18px}.cap-copy h3{font-size:25px;margin-bottom:18px}.cap-copy p{font-size:15px}.cap-copy ul{margin-top:23px}.cap-copy li{font-size:13px}.cap-copy .accent-link{font-size:14px}.cap-panel figure>figcaption{font-size:11px}.devices{padding:62px 0}.device-layout{grid-template-columns:1fr;gap:50px}.device-copy h2{font-size:32px}.device-copy>.section-lead{font-size:16px;max-width:30em}.device-roles{margin-top:32px;gap:24px}.device-roles p{font-size:14px}.device-portrait{display:block;max-width:280px}.phone-scene>.px-phone{width:278px}.phone-scene:before{width:265px;height:265px}.device-portrait figcaption{font-size:11px}.steps{gap:34px}.steps>article{padding-top:24px}.step-number{margin-bottom:20px}.steps h3{font-size:23px;margin-bottom:14px}.steps p{font-size:15px;min-height:0}.steps .accent-link{margin-top:14px}.faq{padding-top:50px;gap:24px}.faq h2{font-size:31px}.faq summary{font-size:16px;padding:23px 0}.faq details p{font-size:14px}.faq details>div{padding-right:0}.downloads{padding-top:66px;margin-bottom:80px}.download-mark{width:65px;top:98px;right:0;opacity:.1}.download-heading{margin-bottom:34px}.download-heading h2{font-size:44px}.download-heading>p:last-child{font-size:15px;max-width:20em}.platform-grid{gap:12px}.platform-grid>a{padding:21px 16px;min-height:217px;border-radius:7px}.platform-grid h3{font-size:20px}.platform-grid p{font-size:10px}.platform-grid>a>span{font-size:12px;margin-top:21px}.platform-grid>a:hover{transform:none}.download-foot>p{font-size:11px}.site-footer{padding:46px 0 22px}.footer-masthead{align-items:start;flex-direction:column;gap:28px;margin-bottom:36px;padding-bottom:35px}.footer-masthead img{width:174px}.footer-masthead>span{font-size:15px;margin:0}.footer-main{grid-template-columns:1fr 1fr;gap:34px 28px}.footer-main>div:last-child{grid-column:auto;display:block}.footer-main>div>a,.footer-main .text-button{min-height:42px;font-size:13px}.footer-bottom{margin-top:34px;font-size:10px}.footer-bottom>div{gap:18px}.footer-bottom a{min-height:40px}dialog{padding:24px;border-radius:12px}.dialog-top h2{font-size:25px}.guide{padding-top:52px}.guide-heading{padding-bottom:34px}.guide-heading h1{font-size:35px}.guide-heading>p:last-child{font-size:16px}.guide-layout h2{font-size:28px}.guide-layout h3{font-size:21px}.guide-layout>aside>nav{gap:5px 16px}.guide-layout>aside a{font-size:13px}}
@media(max-width:360px){.wrap{width:calc(100% - 36px)}.hero h1{font-size:41px}.hero-actions{gap:18px}.platform-grid{grid-template-columns:1fr}.platform-grid>a{min-height:0;padding:22px}.platform-grid p{font-size:12px}.download-mark{display:none}.hero-stage{padding-inline:10px}}
@media(min-width:601px) and (max-width:900px){.device-layout{grid-template-columns:1.15fr .85fr}.device-portrait{display:block;width:100%}.device-portrait .px-phone{width:100%}}
@media(max-width:900px){.hero-stage{border-top:1px solid #cbd0c0;border-radius:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.brand-reveal,.brand-reveal.is-pending{opacity:1;transform:none}.pill:hover,.platform-grid>a:hover{transform:none}*,*:before,*:after{animation:none!important;transition:none!important}}
