@font-face{font-family:MuseumSerif;src:url('assets/serif.woff2') format('woff2');font-display:swap;font-weight:400}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#eeeadf;color:#292820;font:16px/1.8 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid #a26529;outline-offset:6px}img{max-width:100%;display:block}figure,p,h1,h2,h3{margin:0}button{cursor:pointer}button:disabled{cursor:default}.wrap{width:min(1200px,calc(100% - 112px));margin-inline:auto}.site-header{height:122px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #d2ccbd}.brand{display:flex;gap:13px;align-items:center;font:23px/1.3 MuseumSerif,'Songti SC','STSong',serif;letter-spacing:.08em}.brand small{display:block;font:9px/1.5 -apple-system,sans-serif;letter-spacing:.19em;margin-top:5px}.seal{width:36px;height:43px;border:1px solid #967131;color:#8b6326;display:grid;place-content:center;font:17px/1.1 MuseumSerif,'Songti SC',serif;text-align:center;position:relative}.seal:after{content:'';position:absolute;inset:3px;border:1px solid #b59763}.site-header nav{display:flex;gap:33px;align-items:center;font-size:13px}.site-header nav a:hover,.text-link:hover,.footer-links a:hover{color:#936822}.nav-cta{border:1px solid #b7ac94;padding:8px 17px}.nav-cta span{padding-left:13px}.hero{display:grid;grid-template-columns:.86fr 1.14fr;gap:55px;align-items:center;padding-top:66px;padding-bottom:74px}.eyebrow{font:11px/1.5 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:.15em;color:#766e5c}.tiny-line{width:27px;display:inline-block;height:1px;vertical-align:middle;background:#967131;margin-right:10px}.hero h1{font:clamp(64px,6.2vw,90px)/1.22 MuseumSerif,'Songti SC',serif;letter-spacing:.025em;margin:24px 0 23px}.gold{color:#966d2d}.hero-intro{font:20px/1.9 MuseumSerif,'Songti SC',serif;letter-spacing:.06em;color:#605a4d}.hero-actions{display:flex;gap:25px;align-items:center;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;gap:30px;background:#856125;color:#fff9eb;min-height:50px;padding:11px 23px;font-size:13px;border:1px solid #856125;transition:background .2s,transform .2s}.button:hover{background:#684b1e;transform:translateY(-2px)}.text-link{font-size:13px;border-bottom:1px solid #ac9b7e;padding-bottom:5px}.hero-note{font-size:11px;color:#7a7262;margin-top:20px;letter-spacing:.03em}.hero-art{padding-top:13px}.hero-frame{position:relative;background:#171813;aspect-ratio:1.17;display:grid;place-items:center;overflow:hidden}.hero-frame:after{position:absolute;content:'';inset:18px;border:1px solid #c5a66b44;pointer-events:none}.hero-frame img{width:100%;height:100%;object-fit:contain}.artifact-tag{position:absolute;right:32px;top:32px;color:#ecdbb7;font:35px/1.2 MuseumSerif,'Songti SC',serif;text-align:center}.artifact-tag small{display:block;font:9px/2 sans-serif;letter-spacing:.18em;margin-top:5px}.hero-art figcaption{display:flex;justify-content:space-between;align-items:center;padding-top:17px;font:14px/1.7 MuseumSerif,'Songti SC',serif}.hero-art figcaption small{display:block;font:10px/1.8 -apple-system,sans-serif;color:#756e60;margin-top:3px}.hero-art figcaption a{font:10px/1.5 -apple-system,sans-serif;color:#746953;border-bottom:1px solid #b3a993}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px}.section-heading h2,.reading-grid h2,.download h2{font:clamp(31px,3.1vw,43px)/1.55 MuseumSerif,'Songti SC',serif;letter-spacing:.025em;margin-top:19px}.section-lead{font-size:14px;line-height:2.05;color:#71695b;padding-bottom:9px}.collection-intro{border-top:1px solid #cbc3b2;padding-top:67px;padding-bottom:84px}.numbers{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid #d3ccbe;padding:25px 0;margin:37px 0 39px}.numbers p{display:flex;align-items:baseline;gap:15px;justify-content:center;border-right:1px solid #d3ccbe}.numbers p:first-child{justify-content:flex-start}.numbers p:last-child{border:0}.numbers strong{font:43px/1.4 MuseumSerif,'Songti SC',serif;font-variant-numeric:lining-nums}.numbers span{font-size:12px;color:#706858}.control-hint{font-size:11px;color:#6d6451;display:flex;justify-content:space-between;margin-bottom:17px}.era-tabs{display:grid;grid-template-columns:repeat(10,1fr);border-top:1px solid #cfc6b4;border-left:1px solid #cfc6b4}.era-tab{border:0;border-bottom:1px solid #cfc6b4;border-right:1px solid #cfc6b4;background:transparent;min-height:57px;padding:6px;font:16px/1.4 MuseumSerif,'Songti SC',serif;transition:background .2s,color .2s}.era-tab:hover{background:#e0d8c6}.era-tab[aria-selected=true]{background:#3b4538;color:#f5ecd9}.era-panel{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center;padding:34px 0 22px;min-height:380px}.era-image{height:320px;background:#22231d;position:relative;display:grid;place-items:center;padding:15px}.era-image img{height:100%;width:100%;object-fit:contain}.era-photo-label{position:absolute;left:20px;bottom:12px;font-size:10px;background:#171b15dd;color:#f0e6d3;padding:4px 10px;max-width:calc(100% - 40px)}.era-years{font-size:11px;color:#7a6a4b;letter-spacing:.1em}.era-copy h3{font:26px/1.65 MuseumSerif,'Songti SC',serif;margin:12px 0 16px}.era-copy p:not(.era-years){font-size:13px;line-height:1.95;color:#665f51}.hall-pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:19px}.hall-pills span{font-size:10px;padding:3px 9px;border:1px solid #c9bfaa;color:#6d5d40}.era-footnote{font-size:10px;color:#7a7364;border-top:1px solid #d3ccbe;padding-top:14px}.tang-section{background:#20251f;color:#e9dfca;padding:78px 0 80px}.tang-section .eyebrow{color:#c5ac76}.tang-section .section-lead{color:#adaf9f}.hall-tabs{display:grid;grid-template-columns:repeat(5,1fr);border-block:1px solid #495044;margin-top:37px}.hall-tab{border:0;background:transparent;color:#a8ac9c;padding:20px 12px;display:flex;gap:13px;align-items:center;justify-content:center;font:14px/1.4 MuseumSerif,'Songti SC',serif;border-bottom:2px solid transparent;margin-bottom:-1px}.hall-tab .num{font:11px/1.4 -apple-system,sans-serif;color:#c3ac7b}.hall-tab:hover{background:#ffffff08}.hall-tab[aria-selected=true]{border-bottom-color:#c3ac7b;color:#f4e8ce;background:#ffffff06}.hall-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:center;padding-top:40px;min-height:430px}.hall-photo{margin:0;align-self:start}.hall-photo img{width:100%;height:360px;object-fit:contain;background:#171b16}.hall-photo figcaption{font-size:10px;color:#a7ab9c;margin-top:12px;display:flex;justify-content:space-between;gap:18px}.hall-photo a{border-bottom:1px solid #767d69}.hall-copy .eyebrow{font-size:10px}.hall-copy h3{font:29px/1.65 MuseumSerif,'Songti SC',serif;margin:13px 0 15px}.hall-copy .hall-question{font:17px/1.8 MuseumSerif,'Songti SC',serif;color:#ccb784;margin-bottom:15px}.hall-copy .hall-body{font-size:13px;color:#c5c5b8;line-height:2}.hall-copy .hall-meta{font-size:10px;color:#969d8e;letter-spacing:.03em;margin:15px 0}.hall-copy .source-link{font-size:11px;color:#d6c292;border-bottom:1px solid #72775f}.experience{padding-block:83px 78px}.screen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}.screen-mat{padding:38px 45px 0;overflow:hidden;height:490px;display:flex;justify-content:center;align-items:flex-start}.mat-paper{background:#d9d1be}.mat-dark{background:#2d3027}.mat-green{background:#b5b9aa}.screen-mat img{width:100%;max-width:238px;height:auto;border-radius:26px;border:5px solid #171813;box-shadow:0 15px 40px #0003}.screen-grid figcaption{display:flex;gap:17px;margin-top:23px}.step-number{font:13px/1.8 MuseumSerif,serif;color:#886a36;padding-top:3px}.screen-grid h3{font:19px/1.7 MuseumSerif,'Songti SC',serif;margin-bottom:8px}.screen-grid figcaption p{font-size:12px;line-height:1.9;color:#736b5d}.screenshot-note{margin-top:26px;font-size:10px;color:#7c7364}.reading-section{background:#e3dece;padding-block:65px}.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.reading-grid h2{margin-top:15px}.reading-grid>div>p:not(.eyebrow){font-size:13px;color:#736851;margin:20px 0 25px}.reading-notes article{display:flex;gap:22px;padding:23px 0;border-bottom:1px solid #c7bfac}.reading-notes article:first-child{padding-top:0}.reading-notes article>span{font:19px/1.8 MuseumSerif,'Songti SC',serif;color:#8b6e3e}.reading-notes h3{font:19px/1.7 MuseumSerif,'Songti SC',serif;margin-bottom:7px}.reading-notes p{font-size:12px;line-height:1.9;color:#716956}.download{padding-block:78px 75px;text-align:center}.app-icon{border-radius:18px;margin:0 auto 23px}.download h2{font-size:43px}.download>p:not(.eyebrow){font-size:12px;color:#746b5c;margin:21px 0 28px;line-height:2}.store-button{background:#252921;border-color:#252921;gap:15px;padding:9px 22px;line-height:1.25;text-align:left;font-size:22px}.store-button:hover{background:#3c4436}.store-button svg{width:30px;height:34px}.store-button small{font-size:10px;display:block;margin-bottom:3px}.store-button>span:last-child{font-size:20px;padding-left:18px}.release-note{display:flex;gap:10px;max-width:430px;margin:25px auto 0;text-align:left;font-size:11px;line-height:1.9;color:#796d57}.release-note strong{font-weight:500;color:#62573f}.status-dot{width:6px;height:6px;border-radius:50%;background:#9a783b;flex-shrink:0;margin-top:8px}.faq{max-width:720px;margin:66px auto 0;text-align:left}.faq h3{font:22px/1.7 MuseumSerif,'Songti SC',serif;margin-bottom:20px}.faq details{border-top:1px solid #cfc6b5;font-size:13px}.faq details:last-child{border-bottom:1px solid #cfc6b5}.faq summary{cursor:pointer;padding:17px 35px 17px 0;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:6px;font-size:19px;line-height:1.4;color:#877142}.faq details[open] summary:after{content:'−'}.faq details p{padding:0 25px 20px 0;color:#716654;font-size:12px;line-height:2}.faq details p a{border-bottom:1px solid #a99b7e}.site-footer{border-top:1px solid #c9c0ac;padding-block:37px 27px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-links{display:flex;gap:25px;font-size:11px}.site-footer .brand{font-size:19px}.site-footer .brand small{font-size:10px;letter-spacing:.08em}.footer-bottom{display:flex;flex-wrap:wrap;gap:9px 25px;justify-content:space-between;font-size:9px;color:#807564;margin-top:32px;letter-spacing:.02em}.footer-bottom a:hover{text-decoration:underline}.skip{position:fixed;top:-100px;left:16px;z-index:20;padding:10px;background:#282e25;color:white}.skip:focus{top:12px}.noscript{padding:20px;font-size:13px}.legal{max-width:800px;padding-block:50px}.legal .back-link{font-size:13px;display:inline-block;margin-bottom:40px;border-bottom:1px solid #a69981}.legal h1{font:44px/1.5 MuseumSerif,'Songti SC',serif;margin:20px 0}.legal>p{font-size:14px;color:#716655;margin:18px 0}.legal article{padding:28px 0;border-top:1px solid #cfc6b4}.legal article h2{font:22px/1.6 MuseumSerif,'Songti SC',serif;margin-bottom:10px}.legal article p{font-size:12px;margin:6px 0}.legal article a,.legal footer a{border-bottom:1px solid #b1a384}.legal .muted{color:#786f60}.legal footer{margin-top:30px}.entering{animation:arrive .45s cubic-bezier(.2,.7,.3,1)}@keyframes arrive{from{opacity:.35;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero{padding-top:85px;padding-bottom:90px}.hero-frame{aspect-ratio:1.17}}
@media(max-width:1100px){.wrap{width:calc(100% - 72px)}.hero{gap:28px}.hero-actions{gap:18px;flex-wrap:wrap}.hero h1{font-size:clamp(46px,6.1vw,67px)}.screen-mat{padding:27px 28px 0;height:410px}.hall-panel{gap:36px}.era-panel{gap:35px}.hall-tab{font-size:12px;gap:8px}.reading-grid{gap:45px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:87px}.brand{font-size:19px;gap:10px}.brand small{font-size:8px}.seal{width:30px;height:37px;font-size:14px}.site-header nav{gap:15px;font-size:11px}.site-header nav>a:first-child,.site-header nav>a:nth-child(2){display:none}.nav-cta{padding:6px 12px}.hero{grid-template-columns:1fr;gap:33px;padding-top:37px;padding-bottom:44px}.hero h1{font-size:clamp(46px,14vw,62px);margin-top:20px;margin-bottom:16px}.hero-intro{font-size:18px;line-height:1.8}.hero-actions{margin-top:24px}.hero-note{font-size:10px;margin-top:17px}.hero-art{padding-top:0}.hero-frame{aspect-ratio:1.18}.hero-frame:after{inset:12px}.artifact-tag{right:25px;top:23px;font-size:29px}.hero-art figcaption{font-size:13px;padding-top:13px}.hero-art figcaption a{font-size:9px}.section-heading{display:block}.section-heading h2,.reading-grid h2{font-size:31px;line-height:1.6;margin-top:15px}.section-lead{font-size:12px;margin-top:18px;padding:0;line-height:1.95}.collection-intro{padding-top:41px;padding-bottom:47px}.eyebrow{font-size:9px}.numbers{margin:27px 0 28px;padding-block:19px}.numbers p{display:block;text-align:center}.numbers p:first-child{text-align:center}.numbers strong{display:block;font-size:32px}.numbers span{font-size:9px}.era-tabs{grid-template-columns:repeat(5,1fr)}.era-tab{min-height:47px;font-size:14px}.era-panel{grid-template-columns:1fr;gap:22px;padding-top:23px;min-height:0}.era-image{height:270px}.era-copy h3{font-size:24px;margin-block:10px}.era-copy p:not(.era-years){font-size:12px}.era-footnote{margin-top:18px;font-size:9px}.hall-pills{margin-top:13px}.hall-pills span{font-size:9px}.tang-section{padding-block:43px 45px}.hall-tabs{margin-top:26px}.hall-tab{display:block;min-height:81px;padding:12px 5px;font-size:11px;line-height:1.8}.hall-tab .num{display:block;font-size:10px;margin-bottom:4px}.hall-panel{grid-template-columns:1fr;gap:26px;padding-top:25px;min-height:0}.hall-photo img{height:270px}.hall-copy h3{font-size:25px;margin:9px 0}.hall-copy .hall-question{font-size:16px;margin-bottom:11px}.hall-copy .hall-body{font-size:12px}.hall-copy .hall-meta{margin-block:11px}.hall-photo figcaption{font-size:9px}.experience{padding-block:44px}.screen-grid{grid-template-columns:1fr;gap:31px;margin-top:28px}.screen-grid figure{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.screen-mat{height:320px;padding:23px 17px 0}.screen-mat img{width:151px;max-width:100%;border:3px solid #171813;border-radius:17px}.screen-grid figcaption{display:block;margin:0}.step-number{display:block;margin-bottom:13px}.screen-grid h3{font-size:17px;margin-bottom:10px}.screen-grid figcaption p{font-size:11px}.screenshot-note{font-size:9px;line-height:1.9}.reading-section{padding-block:41px}.reading-grid{grid-template-columns:1fr;gap:34px}.reading-grid>div>p:not(.eyebrow){font-size:12px;margin-block:16px}.reading-notes article{padding:20px 0;gap:18px}.reading-notes h3{font-size:18px}.reading-notes p{font-size:11px}.download{padding-block:47px 43px}.download h2{font-size:33px}.download>p:not(.eyebrow){font-size:11px}.app-icon{width:66px;height:66px;border-radius:15px;margin-bottom:19px}.release-note{font-size:10px;max-width:315px}.faq{margin-top:45px}.faq h3{font-size:21px}.faq summary{font-size:12px}.faq details p{font-size:11px}.footer-top{display:block}.footer-links{margin-top:24px;gap:22px}.footer-bottom{display:block;font-size:9px;margin-top:24px}.footer-bottom p+p{margin-top:5px}.site-footer{padding-block:27px 23px}.legal{padding-top:30px}.legal h1{font-size:34px}.legal article h2{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}