@font-face{font-family:Lausanne;src:url('assets/reference-fonts/TWKLausanne-350.otf') format('opentype');font-weight:400 700;font-display:swap}
@font-face{font-family:Lausanne;src:url('assets/reference-fonts/TWKLausanne-250.otf') format('opentype');font-weight:250 350;font-display:swap}
:root{--bg:#f5f5f3;--surface:#fbfbfa;--ink:#171a1d;--muted:#686b6c;--line:#171a1d26;--hover:#e9eae7;--purple:#dc9df8;--beige:#e5dfd3;--ease:cubic-bezier(.22,.7,.2,1);color-scheme:light;font-family:Lausanne,'PingFang SC','Microsoft YaHei',sans-serif;font-weight:400;color:var(--ink);background:var(--bg);font-synthesis:weight}
:root[data-theme=dark]{--bg:#171918;--surface:#202321;--ink:#f0f0e9;--muted:#b0b5af;--line:#f0f0e92b;--hover:#2e322e;color-scheme:dark}
*{box-sizing:border-box}body{margin:0}button,a,input,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a{touch-action:manipulation}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{background:none;border:0}button:focus-visible,a:focus-visible,select:focus-visible,main:focus-visible{outline:2px solid var(--ink);outline-offset:4px}button:disabled{cursor:default}button:active:not(:disabled),.contact-button:active{transform:translateY(1px)}img{max-width:100%;display:block}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}p{line-height:1.7}button,a,select{transition:background-color 160ms ease,color 160ms ease,border-color 160ms ease}button:focus-visible{border-radius:2px}.skip-link{position:fixed;top:12px;left:12px;transform:translateY(-150%);padding:12px 20px;background:var(--ink);color:var(--bg);z-index:20}.skip-link:focus{transform:none}
.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);height:100dvh;overflow:hidden}.sidebar{display:flex;flex-direction:column;padding:18px 22px 10px;border-right:1px solid var(--line);min-height:0;overflow-y:auto;scrollbar-width:thin}.identity{flex:none}.brand-switcher{position:relative;width:100%;height:148px;display:block}.logo-frame{position:absolute;inset:10px 0 14px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 180ms ease,transform 260ms var(--ease);transform:translateY(3px)}:root[data-logo-variant=square] [data-logo=square],:root[data-logo-variant=wide] [data-logo=wide]{opacity:1;transform:none}.brand-logo-crop{position:relative;display:block;overflow:hidden;flex:none}.brand-logo-image{position:absolute;display:block;max-width:none;height:auto}.brand-logo-crop--wide{width:100%;max-width:220px;aspect-ratio:1715/221}.brand-logo-crop--wide .brand-logo-image{width:145.7725947522%;left:-22.6239067055%;top:-156.5610859729%}.brand-logo-crop--square{height:100%;max-height:122px;max-width:100%;aspect-ratio:1783/1818}.brand-logo-crop--square .brand-logo-image{width:140.2131239484%;left:-20.0785193494%;top:-18.3168316832%}[data-theme=dark] .brand-logo-image{filter:invert(1)}
.intro{padding:12px 0 25px}.about-link{font-size:15px;display:flex;justify-content:space-between;align-items:center;min-height:36px}.about-link span{font-size:19px;transition:transform 220ms var(--ease)}.about-link:hover span{transform:translate(2px,-2px)}.intro p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:4px}.main-nav{margin-top:9px}.nav-link{position:relative;display:flex;align-items:center;gap:10px;min-height:82px;border-top:1px solid var(--line);padding:15px 8px 15px 0}.nav-link:last-child{border-bottom:1px solid var(--line)}.nav-number{font-size:10px;color:var(--muted);align-self:flex-start;padding-top:6px;width:16px;font-variant-numeric:tabular-nums}.nav-copy{display:flex;flex-direction:column;flex:1;gap:0}.nav-title{font-size:23px;line-height:1.2;letter-spacing:-.6px;transition:transform 240ms var(--ease)}.nav-caption{font-size:11px;color:var(--muted);opacity:0;max-height:0;transform:translateY(4px);transition:opacity 200ms ease,max-height 240ms var(--ease),transform 240ms var(--ease);overflow:hidden}.nav-arrow{width:17px;height:17px;position:relative;overflow:hidden}.nav-arrow svg{position:absolute;inset:0;width:17px;height:17px;transition:transform 280ms var(--ease),opacity 180ms ease}.nav-arrow svg+svg{transform:translate(-20px,20px);opacity:0}.nav-link[aria-current=page] .nav-number{color:var(--ink)}.nav-link[aria-current=page] .nav-number::after{content:'';display:block;width:4px;height:4px;background:var(--ink);border-radius:50%;margin-top:4px}.nav-link:hover:not(.is-clicked){background:var(--hover)}.nav-link:hover .nav-caption,.nav-link:focus-visible .nav-caption{max-height:22px;opacity:1;transform:none;margin-top:7px}.nav-link:hover .nav-arrow svg:first-child{transform:translate(20px,-20px);opacity:0}.nav-link:hover .nav-arrow svg+svg{transform:none;opacity:1}.sidebar-footer{margin-top:auto;padding-top:28px}.contact-button,.primary-button{display:flex;justify-content:space-between;gap:18px;align-items:center;background:var(--ink);color:var(--bg);font-size:14px;min-height:44px;padding:12px 16px;border-radius:3px}.contact-button:hover,.primary-button:hover{background:var(--purple);color:#171a1d}.footer-meta{display:flex;align-items:center;justify-content:space-between;font-size:9px;letter-spacing:.25px;color:var(--muted);padding-top:8px}.theme-button{width:40px;height:40px;display:grid;place-content:center;border-radius:50%;font-size:22px}.theme-button:hover{background:var(--hover);color:var(--ink)}.mobile-theme{display:none}
.main-scroll{overflow:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable;scroll-behavior:auto}.content-wrap{padding:0 22px;max-width:1800px;margin:0 auto}.page-bar{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:20px}.page-title{display:flex;align-items:baseline;gap:9px}.page-title h1{font-size:25px;letter-spacing:-.7px;line-height:1.3}.small-count{color:var(--muted);font-size:12px;font-weight:350;font-variant-numeric:tabular-nums}.page-tools{display:flex;align-items:center;gap:16px}.page-note{font-size:12px;color:var(--muted);line-height:1.5}.category-select{max-width:158px;border:0;border-bottom:1px solid var(--line);padding:9px 22px 9px 3px;font-size:12px;background:var(--bg);color:var(--ink);border-radius:0;cursor:pointer}.status-filters{display:flex;align-items:center;gap:20px;font-size:12px}.status-filter{position:relative;min-height:40px;display:flex;align-items:center;gap:5px;color:var(--muted);border-bottom:1px solid transparent}.status-filter[aria-pressed=true]{border-bottom-color:var(--ink);color:var(--ink)}.status-filter:hover{color:var(--ink)}.status-filter span{font-size:10px}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.resource-column{display:flex;flex-direction:column;gap:16px;min-width:0}.resource-card{background:var(--surface);border-radius:6px;box-shadow:inset 0 0 0 1px var(--line);padding:20px;min-width:0;height:calc(128px + var(--visible) * 72px);display:flex;flex-direction:column}.resource-card-heading{height:24px;flex-shrink:0;display:flex;justify-content:space-between;gap:10px;align-items:baseline;margin-bottom:16px}.resource-card-heading h2{font-size:17px;letter-spacing:-.3px;line-height:24px}.resource-card-heading span{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.resource-row{height:72px;flex:none;display:flex;align-items:center;gap:12px;min-width:0;padding:7px 0;border-radius:3px;position:relative}.resource-row:hover{background:var(--hover)}.resource-icon{height:34px;width:34px;flex:none;display:grid;place-items:center;background:#fff;border-radius:8px;box-shadow:inset 0 0 0 1px #171a1d15;overflow:hidden;color:#222;font-size:13px}.resource-icon img{width:27px;height:27px;object-fit:contain}.resource-copy{min-width:0;flex:1}.resource-name{display:block;font-size:15px;line-height:21px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-description{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:13px;color:var(--muted);line-height:18px;margin-top:3px}.resource-out{width:12px;flex:none;opacity:0;transform:translate(-2px,2px);transition:opacity 150ms ease,transform 220ms var(--ease);margin-left:-4px}.resource-row:hover .resource-out,.resource-row:focus-visible .resource-out{opacity:1;transform:none}.resource-more{margin-top:4px;min-height:44px;height:44px;flex:none;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);font-size:12px;padding:8px 0 0;color:var(--muted)}.resource-more svg{width:14px;height:14px;transition:transform 220ms var(--ease)}.resource-more:hover{color:var(--ink)}.resource-more:hover svg{transform:translateX(3px)}.content-footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:22px 0 28px;margin-top:24px;color:var(--muted);font-size:11px}
.course-grid,.visual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 16px}.course-card,.visual-card{display:flex;flex-direction:column;min-width:0;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);border-radius:6px;overflow:hidden}.course-cover{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.course-card .cover-wrap{overflow:hidden;display:block}.course-cover{transition:transform 450ms var(--ease)}.course-card:hover .course-cover{transform:scale(1.018)}.course-info{padding:19px 19px 0;flex:1;display:flex;flex-direction:column}.course-card h2{font-size:20px;line-height:1.5;letter-spacing:-.5px;min-height:60px;margin-bottom:10px;text-wrap:pretty}.course-outcome{font-size:13px;color:var(--muted);line-height:1.75;min-height:46px;margin-bottom:13px}.course-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px}.course-tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid var(--line);border-radius:999px;font-size:11px;line-height:1.4;color:var(--muted)}.course-price{display:flex;align-items:baseline;gap:8px;border-top:1px solid var(--line);margin-top:auto;padding:13px 0 15px}.course-price-current{font-size:18px;font-weight:500;letter-spacing:-.3px}.course-price-original{font-size:12px;color:var(--muted)}.course-card-action{font-size:12px;min-height:46px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:auto}.course-card-action svg{width:16px;transition:transform 220ms var(--ease)}.course-card:hover .course-card-action svg{transform:translateX(3px)}.course-card-action:hover{text-decoration:underline;text-underline-offset:4px}.visual-image{width:100%;aspect-ratio:1.15;object-fit:cover;background:var(--beige)}.visual-copy{padding:18px}.visual-copy h2{font-size:19px;margin:8px 0;line-height:1.4}.visual-copy p{font-size:12px;color:var(--muted)}.visual-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:12px}.provenance{margin:0 0 22px;padding:0 0 18px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.provenance a{text-decoration:underline;text-underline-offset:3px}.experiment-image{aspect-ratio:16/9;width:100%;height:auto;object-fit:cover}.image-unavailable{min-height:160px;display:flex;justify-content:center;align-items:center;color:var(--muted);font-size:12px;background:var(--hover)}
.drawer{position:fixed;inset:12px 12px 12px auto;width:min(640px,calc(100vw - 24px));height:calc(100dvh - 24px);max-height:none;max-width:none;margin:0;padding:0;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);overflow:hidden;box-shadow:0 20px 60px #00000012}.drawer[open]{display:flex;flex-direction:column;animation:drawer-in 280ms cubic-bezier(.32,.72,0,1) both}.drawer::backdrop{background:#11151a30;backdrop-filter:blur(2px);animation:backdrop-in 180ms ease both}.drawer.is-closing{animation:drawer-out 170ms ease both}.drawer.is-closing::backdrop{animation:backdrop-out 170ms ease both}.drawer-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;border-bottom:1px solid var(--line);flex:none;min-height:65px;font-size:11px;color:var(--muted)}.drawer-toolbar>div{display:flex;gap:4px}.icon-button{display:grid;place-items:center;width:40px;height:40px;border-radius:50%}.icon-button svg{width:19px;height:19px}.icon-button:hover{background:var(--hover);color:var(--ink)}.drawer-body{overflow-y:auto;overscroll-behavior:contain;padding:28px;scrollbar-gutter:stable;flex:1}.drawer-body h1{font-size:30px;letter-spacing:-.8px;line-height:1.4;margin:6px 0 18px;text-wrap:pretty}.drawer-body h2,.reading-body h2{font-size:19px;line-height:1.5;margin-bottom:15px}.detail-cover{width:100%;border-radius:3px;aspect-ratio:16/9;object-fit:cover;margin:0 0 24px}.detail-summary{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:24px}.detail-meta{font-size:11px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);margin-bottom:12px}.detail-section{border-top:1px solid var(--line);padding-top:24px;margin-top:26px}.detail-section p{font-size:14px;color:var(--muted);line-height:1.9}.detail-facts{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;margin:0 0 24px;font-size:13px;line-height:1.8}.detail-facts dt{color:var(--muted)}.detail-facts dd{margin:0}.detail-actions{display:flex;flex-direction:column;gap:10px}.primary-button{min-height:48px}.primary-button svg{width:17px;height:17px}.secondary-button{display:flex;justify-content:space-between;align-items:center;min-height:44px;padding:10px 0;font-size:13px;border-bottom:1px solid var(--line)}.secondary-button:hover{color:var(--muted)}.pending-note{padding:14px 16px;background:var(--hover);border-radius:3px;font-size:13px;line-height:1.8}.module-list{list-style:none;margin:0;padding:0}.module-list li{display:grid;grid-template-columns:24px minmax(0,1fr) 65px;gap:10px;padding:17px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.65}.module-list .module-id,.module-list .module-status{font-size:10px;color:var(--muted);padding-top:2px}.module-status{text-align:right}.module-list li:first-child .module-status{color:var(--ink)}.section-note{font-size:11px!important;margin-top:15px;color:var(--muted)}.category-detail-list .resource-row{height:auto;min-height:90px;border-bottom:1px solid var(--line);padding:16px 0}.category-detail-list .resource-description{font-size:13px;line-height:1.65;-webkit-line-clamp:unset}.category-detail-list .resource-name{white-space:normal}.category-detail-list .resource-out{opacity:1}.about-art{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:18px;background:var(--purple);border-radius:4px;padding:28px;margin-bottom:28px;color:#171a1d}.about-art h1{font-size:28px;line-height:1.55;letter-spacing:-1px}.about-art img{width:100%;height:160px;object-fit:contain;mix-blend-mode:multiply}.about-copy{font-size:15px;line-height:1.9;color:var(--muted)}.about-signature{display:flex;align-items:center;justify-content:space-between;margin-top:30px;font-size:12px}.reading{max-width:1040px;margin:0 auto}.reading-top{display:grid;grid-template-columns:1.15fr 1fr;gap:38px;padding:20px 0 40px;align-items:center}.reading-top h1{font-size:36px;line-height:1.4;letter-spacing:-1px;margin:13px 0 20px;text-wrap:pretty}.reading-top .detail-cover{margin:0}.reading-body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(220px,1fr);gap:50px}.reading-body .detail-section:first-child{margin-top:0}.reading-aside{align-self:start;position:sticky;top:24px;border-top:1px solid var(--line);padding-top:24px}.reading-aside .detail-facts{grid-template-columns:58px 1fr}.back-link{display:inline-flex;gap:8px;align-items:center;font-size:13px;min-height:40px}.back-link:hover{color:var(--muted)}.reading-body .detail-section{margin-bottom:32px}.resource-focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 26px}.resource-focus-grid .resource-row{height:96px;border-bottom:1px solid var(--line)}.toast{position:absolute;left:50%;bottom:28px;z-index:100;transform:translate(-50%,8px);opacity:0;background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:4px;font-size:13px;pointer-events:none;transition:opacity 160ms ease,transform 200ms var(--ease);box-shadow:0 6px 25px #0002}.toast.is-visible{opacity:1;transform:translate(-50%,0)}.page-enter{animation:page-in 450ms var(--ease) both}@keyframes page-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes drawer-in{from{opacity:0;transform:translateX(36px)}to{opacity:1;transform:none}}@keyframes drawer-out{to{opacity:0;transform:translateX(22px)}}@keyframes backdrop-in{from{opacity:0}}@keyframes backdrop-out{to{opacity:0}}
@media(min-width:1600px){.sidebar{padding-left:26px;padding-right:26px}.app-shell{grid-template-columns:252px minmax(0,1fr)}.content-wrap{padding-left:28px;padding-right:28px}.resource-card{padding-left:24px;padding-right:24px}.resource-name{font-size:16px}.resource-description{font-size:13px}.course-info{padding:22px 24px 0}.course-card h2{font-size:23px;min-height:69px}.course-outcome{font-size:14px;min-height:49px}.course-tag{font-size:12px}.course-card-action{font-size:14px;min-height:52px}}
@media(max-width:1099px){.course-grid,.visual-grid,.resource-focus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-top{gap:26px}.reading-top h1{font-size:29px}.reading-body{gap:30px}.page-note{display:none}}
@media(max-width:999px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.sidebar{overflow:visible;border-right:0;border-bottom:1px solid var(--line);padding:0 22px}.identity{display:flex;align-items:center;gap:22px;height:68px}.brand-switcher{width:62px;height:62px;flex:none}.logo-frame{inset:6px 0}.brand-logo-crop--square{max-height:50px}.brand-logo-crop--wide{width:62px}.intro{padding:0;display:flex;align-items:center;gap:22px;flex:1}.intro p{font-size:11px;margin:0}.intro p br{display:none}.about-link{font-size:12px;gap:12px;white-space:nowrap}.mobile-theme{display:grid;margin-left:auto;flex:none}.main-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0}.nav-link{min-height:58px;padding:13px 12px 13px 0;gap:8px;border-top:1px solid var(--line)}.nav-link:last-child{border-bottom:0}.nav-number{font-size:9px;width:14px;padding-top:3px}.nav-title{font-size:18px;letter-spacing:-.25px}.nav-caption{display:none}.nav-link[aria-current=page] .nav-number::after{width:3px;height:3px;margin-top:3px}.nav-arrow,.nav-arrow svg{width:14px;height:14px}.sidebar-footer{display:none}.page-bar{min-height:76px}.reading-aside{position:static}.content-wrap{padding:0 22px}.resource-card{padding:20px}.page-title h1{font-size:23px}}
@media(max-width:679px){.sidebar{padding:0 16px}.identity{height:62px;gap:16px}.brand-switcher{width:52px;height:56px}.logo-frame{inset:6px 0}.brand-logo-crop--wide{width:52px}.intro{gap:10px;justify-content:flex-end}.intro p{display:none}.mobile-theme{margin-left:0}.nav-link{gap:6px;min-height:56px;padding:12px 7px 12px 0}.nav-title{font-size:16px}.nav-number{display:none}.nav-arrow{display:none}.about-link{min-height:44px}.icon-button,.theme-button{width:44px;height:44px}.nav-link[aria-current=page] .nav-title::after{content:'';display:inline-block;width:4px;height:4px;background:var(--ink);border-radius:50%;margin:0 0 3px 6px}.nav-link[aria-current=page] .nav-arrow{display:none}.content-wrap{padding:0 16px}.page-bar{min-height:75px;gap:10px;flex-wrap:wrap;padding:14px 0}.page-title h1{font-size:22px}.page-tools{gap:10px}.status-filters{gap:13px;font-size:11px}.status-filter{min-height:44px}.small-count{font-size:10px}.course-grid,.visual-grid,.resource-grid,.resource-focus-grid{grid-template-columns:1fr}.course-grid{gap:18px}.resource-grid{gap:14px}.resource-column{gap:14px}.resource-card{padding:20px 22px}.resource-description{font-size:13px}.resource-name{font-size:16px}.resource-more{font-size:13px}.course-info{padding:21px 22px 0}.course-card h2{font-size:22px;min-height:0;margin-bottom:12px}.course-outcome{font-size:14px;min-height:0}.course-tag{font-size:12px}.course-card-action{font-size:14px;min-height:50px}.content-footer{font-size:10px;gap:10px}.drawer{inset:auto 0 0;width:100%;height:calc(100dvh - 44px);border-radius:12px 12px 0 0;border-bottom:0}.drawer[open]{animation:sheet-in 260ms var(--ease) both}.drawer.is-closing{animation:sheet-out 160ms ease both}.drawer-toolbar{padding:9px 16px;min-height:61px}.drawer-body{padding:22px}.drawer-body h1{font-size:26px}.drawer-body .detail-summary{font-size:14px}.about-art{padding:22px;grid-template-columns:1fr}.about-art img{height:145px}.about-art h1{font-size:25px}.reading-top{grid-template-columns:1fr;padding-top:8px;gap:24px}.reading-top .detail-cover{order:-1}.reading-top h1{font-size:29px}.reading-body{grid-template-columns:1fr;gap:12px}.reading-aside{order:-1;padding-top:0;border-top:0;margin-bottom:24px}.reading-body .detail-section{padding-top:20px}.module-list li{grid-template-columns:21px 1fr 58px;font-size:12px}.category-select{max-width:140px}.resource-focus-grid .resource-row{height:88px}@keyframes sheet-in{from{opacity:.3;transform:translateY(36px)}to{opacity:1;transform:none}}@keyframes sheet-out{to{opacity:0;transform:translateY(28px)}}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.course-card:hover .course-cover{transform:none}.drawer::backdrop{backdrop-filter:none}}