@charset "UTF-8";
:root{--bg:#fafaf7;--surface:#fff;--ink:#303b43;--muted:#6a767c;--accent:#344f69;--line:#d9dfdc;--tint:#eef1ee;--orange:#a16643;--green:#36786b;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;--sans:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light;font-family:var(--sans);font-size:16px;color:var(--ink);background:var(--bg);font-synthesis:none}
:root[data-theme="night"]{--bg:#192229;--surface:#202d35;--ink:#e2e7e6;--muted:#a5b4bb;--accent:#a6c4d7;--line:#3b4a51;--tint:#25343c;--orange:#d5a17d;--green:#8bb8ab;color-scheme:dark}
:root[data-theme="autumn"]{--bg:#f6f0e6;--surface:#fffaf2;--ink:#493c32;--muted:#7b695c;--accent:#80533a;--line:#d9cdbd;--tint:#eee3d3;--orange:#a55339;--green:#647654;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:6px}button:focus:not(:focus-visible){outline:none}button{border-radius:0}::selection{background:var(--accent);color:var(--bg)}.wrap{width:min(1184px,calc(100% - 96px));margin:auto}.header{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:24px;letter-spacing:.1em}.brand-symbol{font:30px Georgia,serif;letter-spacing:-6px;padding-right:6px;color:var(--accent)}.brand-en{display:block;font:10px/1.6 Consolas,monospace;letter-spacing:.22em;color:var(--muted);margin-top:2px}.header 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@media(min-width:1600px){.wrap{width:min(1280px,calc(100% - 160px))}.intro{padding:85px 0}.intro h1{font-size:68px}.feature-plot{margin-top:22px;margin-bottom:13px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.intro{gap:36px;padding:55px 0}.featured{padding-left:28px}.intro h1{font-size:49px}.intro-description{font-size:14px}.header nav{gap:24px;margin-right:10px}.material-grid{gap:30px 20px}.writing-layout,.journal{gap:40px;grid-template-columns:1fr 1.8fr}.material-card h3{font-size:17px}.material-card p{font-size:13px}.feature-slider{gap:10px}.feature-slider label{font-size:11px}.featured-title h2{font-size:21px}.footer-right{gap:15px;flex-wrap:wrap;justify-content:flex-end}.image-caption{font-size:25px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{height:88px;gap:15px;flex-wrap:wrap;padding:14px 0 12px}.brand{font-size:20px;gap:8px}.brand-symbol{font-size:25px}.brand-en{font-size:9px}.header nav{gap:18px;margin:0 0 0 auto;font-size:13px}.theme-trigger{font-size:0;gap:0}.theme-trigger .tiny-arrow{display:none}.theme-icon{font-size:23px}.intro{grid-template-columns:1fr;gap:32px;padding:36px 0 39px}.intro h1{font-size:45px;line-height:1.4;margin:18px 0}.intro h1 br{display:block}.intro-copy>.eyebrow{font-size:11px}.intro-description{font-size:14px;margin-bottom:15px}.text-link{font-size:14px;padding:7px 0;gap:20px}.featured{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.feature-plot{max-width:530px;margin:12px auto 10px}.feature-slider{gap:16px;padding-bottom:18px}.feature-slider label{font-size:12px}.featured-title{padding:19px 0 15px}.featured-title h2{font-size:23px}.section{padding:30px 0 35px}.section-heading{align-items:flex-start;margin-bottom:23px;gap:14px}.section h2{font-size:25px}.section-note{font-size:12px;margin-top:7px;max-width:140px;text-align:right;line-height:1.8}.material-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 17px}.card-image{aspect-ratio:1.4}.image-caption{font-size:24px}.image-caption span{display:none}.card-image svg{width:125%;max-width:none;margin-left:-12.5%}.material-card h3{font-size:16px}.card-meta{font-size:11px;margin-top:13px;gap:8px}.material-card p{font-size:13px;line-height:1.8}.collection-foot{align-items:flex-start;font-size:12px;line-height:1.8;margin-top:27px}.collection-foot>span{max-width:155px}.collection-foot a{max-width:160px;text-align:right}.writing-layout{grid-template-columns:1fr;gap:25px}.writing-intro{display:none}.article-row{gap:15px;grid-template-columns:20px 1fr 20px;padding:20px 0}.article-row h3{font-size:17px}.article-row p{font-size:13px}.journal{grid-template-columns:1fr;gap:28px}.journal-heading h2 br{display:none}.journal-heading h2{font-size:28px}.journal-heading>p:last-child{display:none}.journal-list article{grid-template-columns:52px 1fr;gap:16px}.journal-list h3{font-size:16px}.journal-list p{font-size:14px}.footer{align-items:flex-start;flex-direction:column;gap:22px;padding:27px 0}.footer-right{width:100%;justify-content:space-between;font-size:11px;gap:10px}#article-dialog{padding:22px}.theme-options{gap:10px}.theme-options button{padding:10px}.theme-options small{font-size:12px}.theme-options .swatch{height:48px}dialog{padding:22px}dialog h2{font-size:25px}}
@media(max-width:380px){.wrap{width:calc(100% - 32px)}.header nav{gap:11px;font-size:12px}.header{gap:10px}.intro h1{font-size:38px}.material-grid{grid-template-columns:1fr}.card-image{aspect-ratio:1.8}.card-image svg{width:100%;margin:0}.material-card p{font-size:14px}.image-caption span{display:block}.theme-options{grid-template-columns:1fr}.theme-options button{display:grid;grid-template-columns:60px 1fr}.theme-options .swatch{grid-row:span 2;height:60px}.feature-slider{gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Curated teaching materials, independent experiments, and writing. */
.intro{gap:64px;align-items:center;padding:64px 0}
.intro h1{font-size:clamp(32px,3.1vw,44px);letter-spacing:.01em}
.intro-description{font-size:1rem;line-height:2;max-width:450px;margin-bottom:22px}
.intro-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.quiet-link{font-size:.875rem;color:var(--muted);padding:10px 0}
.quiet-link:hover{color:var(--accent);text-decoration:underline}
.personal-focus{display:flex;flex-wrap:wrap;gap:12px;font-size:.75rem;line-height:1.8;color:var(--muted);margin:26px 0 0}
.personal-focus span{opacity:.5}
.section{padding:40px 0 44px}
.section-description{font-size:.9375rem;line-height:1.9;color:var(--muted);margin:10px 0 0}
.section-more{font-size:.875rem;white-space:nowrap;color:var(--accent);padding-bottom:4px;border-bottom:1px solid var(--line)}
.section-more span{margin-left:16px}
.section-more:hover{border-color:var(--accent)}
.article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.article-row,.article-row:first-child,.article-row:last-child{display:flex;flex-direction:column;align-items:flex-start;position:relative;gap:20px;padding:23px 0 22px;border:0;border-top:1px solid var(--line);min-width:0}
.article-number{font:italic 32px Georgia,serif;color:var(--accent);opacity:.65;margin:0}
.article-row h3{font:500 21px/1.7 var(--serif);margin:13px 0 10px}
.article-row p{font-size:.9375rem;line-height:1.9}
.article-arrow{position:absolute;right:0;top:29px;font-size:21px}
.article-meta{font-size:.75rem}
.sample-label{font-size:.75rem;color:var(--muted);margin:6px 0 0;line-height:1.8}
.material-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.material-card h3{font-size:1.0625rem;line-height:1.7}
.material-card p{font-size:.875rem;line-height:1.9}
.card-image{aspect-ratio:1.45}.image-caption{font-size:26px}.image-caption span{font-size:.75rem;letter-spacing:.08em}
.card-image svg{width:115%;margin-left:-7.5%}
.site-footer{border-top:1px solid var(--line)}
.follow-panel{display:grid;grid-template-columns:1fr 250px;align-items:center;gap:60px;padding:55px 70px}
.follow-copy h2{font:500 34px/1.65 var(--serif);letter-spacing:.03em;margin:15px 0}
.follow-copy>p:last-child{font-size:.9375rem;line-height:2;color:var(--muted);margin:0}
.qr-block{margin:0;text-align:center}
.qr-placeholder{height:176px;width:176px;margin:0 auto 16px;border:1px dashed var(--line);background:var(--surface);display:flex;flex-direction:column;justify-content:center;gap:12px;color:var(--muted)}
.qr-placeholder>span{font-size:.875rem}.qr-placeholder>small{font-size:.75rem}
.qr-block img{display:block;width:176px;height:176px;object-fit:contain;padding:10px;background:#fff;margin:0 auto 16px}
.qr-block figcaption{font-size:.875rem;line-height:1.9;color:var(--ink)}
.qr-block figcaption>span{display:block;color:var(--muted);font-size:.75rem}
.theme-trigger{min-width:32px;min-height:44px}
@media(max-width:1050px){
.intro{gap:32px}.intro h1{font-size:50px}.intro-description br{display:none}
.material-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 24px}.card-image{aspect-ratio:1.9}
.article-list{gap:24px}.article-row h3{font-size:19px}
.follow-panel{padding:44px 25px;gap:30px}
}
@media(max-width:760px){
.header{height:auto;min-height:82px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;flex-wrap:nowrap}
.header nav{justify-content:flex-end;gap:21px;margin:0;font-size:.875rem}.header .brand{font-size:20px;gap:6px}.header .theme-trigger{justify-content:center}
.intro{padding:34px 0;gap:29px}.intro h1{font-size:46px}.intro-description{font-size:1rem;line-height:1.95;max-width:none}
.intro-actions{gap:24px}.personal-focus{margin-top:23px;gap:10px}
.section{padding:30px 0 34px}.section-heading{align-items:center;gap:15px}.section h2{font-size:26px}
.section-description{font-size:.875rem}.section-more{font-size:.8125rem;flex-shrink:0}.section-more span{margin-left:5px}
.article-list{grid-template-columns:1fr;gap:0}
.article-row,.article-row:first-child,.article-row:last-child{display:grid;grid-template-columns:26px 1fr 20px;gap:14px;padding:23px 0;border-bottom:1px solid var(--line);border-top:0}
.article-row:first-child{border-top:1px solid var(--line)}
.article-number{font-size:19px;margin-top:1px}.article-arrow{position:static;align-self:center}
.article-row h3{font-size:19px;line-height:1.7;margin:7px 0}.article-row p{font-size:.875rem}
.sample-label{margin-top:14px}
.material-grid{gap:27px 18px}.card-image{aspect-ratio:1.45}.material-card h3{font-size:1rem}.material-card p{font-size:.875rem}
.image-caption{font-size:25px}.image-caption span{display:none}
.follow-panel{grid-template-columns:1fr;gap:28px;text-align:center;padding:38px 0}
.follow-copy h2{font-size:29px;line-height:1.65;margin:14px 0}.follow-copy>p:last-child{font-size:.875rem}
.qr-placeholder,.qr-block img{width:168px;height:168px}
}
@media(max-width:380px){
.header{gap:10px}.header nav{gap:16px;font-size:.8125rem}.intro h1{font-size:42px}
.material-grid{grid-template-columns:1fr}.card-image{aspect-ratio:1.9}.card-image svg{width:100%;margin:0}
.section-heading{flex-wrap:wrap}.section-more{margin-left:auto}
.personal-focus{font-size:.75rem;gap:8px}.follow-copy h2{font-size:27px}
}
/* Independent creations */
.heading-aside{display:inline-block;margin-left:18px;font:14px/1.8 var(--sans);letter-spacing:.08em;color:var(--muted);vertical-align:middle}
.play-card{display:grid;grid-template-columns:1.35fr 1fr;align-items:stretch;border:1px solid var(--line);background:var(--surface)}
.play-preview{position:relative;overflow:hidden;min-width:0;background:#e0e9dc;display:flex;align-items:center}
.play-preview img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.preview-note{position:absolute;left:20px;bottom:18px;border:1px solid #f6f2e777;background:#f6f2e7e8;color:#46584b;padding:8px 12px;font-size:11px;letter-spacing:.08em}
.play-copy{padding:34px 36px;min-width:0}
.play-copy h3{font:500 32px/1.5 var(--serif);margin:13px 0 8px}
.play-tagline{color:var(--accent);font:17px/1.8 var(--serif);margin:0 0 16px}
.play-description{font-size:14px;line-height:2;color:var(--muted);margin:0;max-width:360px}
.play-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.play-tags span{padding:4px 9px;background:var(--tint);color:var(--muted);font-size:11px;line-height:1.7}
.play-action{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--accent)}
.play-card:hover .round-arrow{background:var(--accent);color:var(--bg)}
.play-card:hover .play-preview img{transform:scale(1.025)}
.play-footnote{font:13px/1.9 var(--serif);color:var(--muted);margin:18px 0 0}
@media(max-width:1050px){.intro h1{font-size:36px}.play-copy{padding:26px}.play-card{grid-template-columns:1.1fr 1fr}}
@media(max-width:760px){
.header{grid-template-columns:1fr auto;gap:10px;padding:16px 0 12px}
.header .brand{grid-column:1;grid-row:1}.header .theme-trigger{grid-column:2;grid-row:1}
.header nav{grid-column:1/-1;grid-row:2;justify-content:space-between;gap:16px;width:100%;font-size:13px}
.header nav a{padding:8px 0}.intro h1{font-size:clamp(29px,6.4vw,42px)}
.play-card{grid-template-columns:1fr}.play-preview{aspect-ratio:1440/790}.play-copy{padding:24px}
.play-copy h3{font-size:28px}.play-description{max-width:none}.play-action{margin-top:22px;padding-top:16px}
.heading-aside{margin-left:12px;font-size:12px}.preview-note{left:12px;bottom:12px;font-size:10px;padding:6px 10px}
}