/* Quiet scientific plates, restored from the supplied reading-room study. */
.hero{min-height:610px;background:var(--paper)!important;overflow:hidden}
.hero .sky,.hero .hero-grain{display:none}.hero .hero-content{padding-top:96px;padding-bottom:94px;min-height:610px;z-index:1;pointer-events:none}.hero-content>*{pointer-events:auto}
.hero h1{max-width:690px;font-size:clamp(44px,4.25vw,65px);line-height:1.18;letter-spacing:-2px}html[lang^=zh] .hero h1{font-size:clamp(40px,3.8vw,58px);line-height:1.45;max-width:660px}
.hero-description{max-width:470px;font-size:15px;line-height:1.9}.hero .eyebrow{font-size:11px;letter-spacing:1.6px}.hero .tiny-star{display:none}.hero-caption{margin-top:30px}.hero-bottom{bottom:22px}
.observatory{position:absolute;right:max(24px,calc((100vw - 1380px)/2));top:22px;width:min(48vw,650px);height:545px;isolation:isolate;z-index:0}
.observatory::before{content:'';position:absolute;inset:10%;background:radial-gradient(circle,#b49c6d12,transparent 70%);z-index:-1}.observatory svg{width:100%;height:100%;color:var(--accent);overflow:visible}.observatory .orbit-engraving{position:absolute;inset:0;opacity:.48}.moon-drift{position:absolute;inset:18% 18% 21%;display:grid;place-items:center;animation:lunar-drift 18s ease-in-out infinite alternate}.moon-drift img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(14px 20px 20px #1b293918);opacity:.94}.orbit-rotor{transform-origin:270px 245px;animation:lunar-orbit 110s linear infinite}.observatory .observatory-caption{position:absolute;left:0;right:0;bottom:15px;text-align:center;font:italic 13px var(--serif);color:var(--muted)}.motion-toggle{position:absolute;bottom:2px;right:14px;min-width:44px;min-height:44px;border-radius:50%;border:1px solid var(--line);font-size:15px;color:var(--muted);background:var(--paper);z-index:3}.motion-toggle:hover{color:var(--ink);border-color:var(--accent)}.observatory[data-paused=true] *{animation-play-state:paused!important}
@keyframes lunar-drift{from{transform:translateY(3px) rotate(-14deg)}to{transform:translateY(-7px) rotate(-11deg)}}@keyframes lunar-orbit{to{transform:rotate(360deg)}}
.classics-grid{gap:15px}.classic-art{height:166px;background:var(--surface)!important;display:block;padding:18px 12px 6px}.classic-art::after{display:none}.classic-art .research-plate{display:block;width:100%;height:100%;color:var(--ink);fill:none;stroke:none;overflow:visible;opacity:.82;transition:opacity .3s,transform .5s}.classic-card:hover .research-plate{opacity:1;transform:translateY(-3px)}.classic-art .folio{font-size:10px;background:var(--paper);color:var(--muted);border:0;left:12px;top:10px;letter-spacing:1px}.classic-body{padding:16px 15px 18px}.classic-card p{font-size:12px;line-height:1.75}.classic-card h3{font-size:20px}.classic-card{border-radius:5px;box-shadow:none}.classic-card:hover{transform:translateY(-3px);box-shadow:none}.classic-art .plate-ticks{stroke:var(--accent);opacity:.55}
.research-atlas{margin:26px 0 0}.atlas-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 20px}.atlas-filters{display:flex;flex-wrap:wrap;gap:8px}.atlas-filter{padding:10px 15px;min-height:44px;border:1px solid transparent;border-radius:3px;font-size:12px;color:var(--muted)}.atlas-filter[aria-pressed=true]{border-color:var(--line);background:var(--surface);color:var(--ink)}.atlas-range{font:12px var(--mono);color:var(--muted);letter-spacing:1px}.atlas-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:5px 5px 0 0;scrollbar-width:thin;scrollbar-color:var(--accent) var(--paper);background:var(--surface)}.atlas-chart{min-width:1300px;padding:20px 65px 12px 26px}.atlas-years{display:grid;grid-template-columns:160px repeat(10,1fr);align-items:center;border-bottom:1px solid var(--line);padding:0 0 16px;min-height:46px;color:var(--muted);font:12px var(--mono)}.atlas-years span{text-align:center}.atlas-years span:first-child{text-align:left;font:11px var(--sans)}.atlas-lane{display:grid;grid-template-columns:160px 1fr;border-bottom:1px solid var(--line);align-items:center}.atlas-lane:last-child{border-bottom:0}.atlas-lane-label{font-size:12px;color:var(--muted);padding-right:14px;line-height:1.7}.atlas-lane-label small{display:block;font:11px/1.5 var(--mono);margin-top:8px;letter-spacing:.4px}.atlas-track{height:184px;position:relative;background:linear-gradient(var(--line),var(--line)) 0 87px/100% 1px no-repeat}.atlas-track::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent,transparent calc(10% - 1px),var(--line) calc(10% - 1px),var(--line) 10%);opacity:.32;pointer-events:none}
.atlas-event{position:absolute;left:var(--x);top:var(--y);transform:translateX(-50%);width:102px;min-height:44px;padding:5px 3px;display:flex;align-items:center;justify-content:center;font:11px/1.35 var(--sans);text-align:center;color:var(--ink);z-index:1}.atlas-event strong{font-weight:500;padding:2px 3px;background:var(--surface);position:relative;z-index:1}.atlas-event::before{content:'';position:absolute;left:50%;top:var(--stem-top);height:var(--stem-height);border-left:1px solid var(--line);z-index:-1}.atlas-event i{position:absolute;top:calc(83px - var(--y));left:calc(50% - 4px);width:8px;height:8px;border:1px solid var(--accent);border-radius:50%;background:var(--surface);box-shadow:0 0 0 4px var(--surface);transition:background .2s,transform .2s}.atlas-event:hover,.atlas-event[aria-current=true]{color:var(--accent)}.atlas-event[aria-current=true] i{background:var(--accent);transform:scale(1.3)}.atlas-event:focus-visible{outline-offset:0;outline:2px solid var(--accent);border-radius:4px}
.atlas-detail{border:1px solid var(--line);border-top:0;display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:center;padding:25px 27px;background:var(--surface)}.atlas-date{font:13px var(--mono);color:var(--accent)}.atlas-date small{display:block;margin-top:9px;font:11px var(--sans);color:var(--muted)}.atlas-detail h3{font:400 24px/1.4 var(--serif);margin:0 0 8px}.atlas-detail p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.atlas-detail .button{white-space:nowrap;border-radius:4px}.atlas-note{font-size:11px;line-height:1.7;color:var(--muted);display:flex;justify-content:space-between;gap:20px;margin-top:12px}.month-archive{margin-top:25px;border-top:1px solid var(--line);padding-top:6px}.month-archive summary{cursor:pointer;padding:15px 2px;min-height:48px;font-size:12px;color:var(--muted)}.month-archive[open] summary{color:var(--ink)}.month-archive .timeline-shell{margin-top:8px}.month-archive .timeline-all{margin-bottom:16px}
.reading-page.about-reading-room{max-width:940px;padding-top:62px;padding-bottom:80px}.about-reading-room .reading-room-symbol{width:76px;height:76px;color:var(--accent);margin:36px 0 28px;opacity:.8}.about-reading-room h1{max-width:860px;font-size:clamp(36px,4.1vw,59px);letter-spacing:-1.5px;line-height:1.25;margin:18px 0 22px}.about-reading-room .lead{font:19px/1.8 var(--serif);margin:0 0 30px}.about-reading-room .body-copy{max-width:710px;font-size:16px;line-height:1.95}.about-reading-room .body-copy p{margin:0 0 22px}.about-reading-room .about-source-link{margin-top:32px;font-size:13px;display:inline-block;padding:10px 0;border-bottom:1px solid var(--line)}.info-dialog #infoContent{padding:32px 36px 38px}.info-dialog p:empty{display:none}.info-dialog h2{margin:0 0 22px}.info-dialog .lead{font:20px/1.65 var(--serif);color:var(--ink)}
.paper-title{font-size:20px}.paper-original-title{font-size:12px;line-height:1.65;color:var(--muted);margin-top:5px;overflow-wrap:anywhere}.detail-translation{font-size:14px;line-height:1.7}.index-row .paper-original-title{margin:6px 0 10px}.index-row h2{line-height:1.55}.reading-page .paper-subtitle{font-size:15px;line-height:1.8}.header-tools .icon-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.society-section{padding:60px 0}.society-section h2{font-size:30px}.society-section .society-mark{display:none}.society-section .society-orrery{width:300px;right:120px;opacity:.16}.society-section p{max-width:590px}.footer-top>span{display:none}.footer-bottom{font-family:var(--sans)}
@media(min-width:1700px){.observatory{right:calc((100vw - 1500px)/2);width:690px;height:570px}.hero h1{font-size:68px}}
@media(max-width:1200px){.observatory{width:49vw;right:-35px;top:40px}.hero .hero-content{padding-top:90px}.hero h1{max-width:560px;font-size:52px}.hero-description{max-width:415px}.classic-art{height:150px}.classic-body{padding:13px 11px}.classic-card h3{font-size:18px}.classic-card p{font-size:11px}}
@media(max-width:920px){.observatory{width:48vw;height:430px;right:-50px;top:62px;opacity:.75}.hero h1{max-width:500px;font-size:48px}.hero .hero-content{min-height:560px}.hero{min-height:560px}.hero-description{max-width:370px}.classics-grid{grid-template-columns:repeat(3,1fr)}.classic-card{display:flex;flex-direction:column}.classic-art{width:100%;height:156px;min-height:0;border-right:0;border-bottom:1px solid var(--line)}.atlas-detail{grid-template-columns:120px 1fr}.atlas-detail .button{grid-column:2;justify-self:start}.about-reading-room .body-copy{font-size:15px}}
@media(max-width:640px){.hero{display:flex;flex-direction:column;min-height:0}.hero .hero-content{min-height:0;padding:45px 0 14px;pointer-events:auto}.hero h1,html[lang^=zh] .hero h1{font-size:39px;max-width:100%;letter-spacing:-.7px;margin:22px 0}.hero-description{max-width:100%;font-size:14px}.hero .eyebrow{font-size:10px}.hero-caption{margin-top:22px}.hero-actions{gap:20px;flex-wrap:wrap}.observatory{position:relative;inset:auto;width:100%;height:350px;opacity:1;margin:0;order:2}.hero-bottom{position:relative;bottom:auto;padding-bottom:20px;order:3;font-size:10px}.hero-bottom #heroCount{display:none}.motion-toggle{right:25px}.observatory .observatory-caption{bottom:14px}.classics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.classic-art{height:142px;padding:16px 6px 4px}.classic-body{padding:12px}.classic-card p{font-size:12px}.atlas-toolbar{align-items:flex-start}.atlas-filters{gap:3px}.atlas-filter{padding:9px 8px;font-size:11px}.atlas-range{display:none}.atlas-detail{grid-template-columns:1fr;gap:15px;padding:20px}.atlas-detail h3{font-size:21px}.atlas-detail .button{grid-column:1}.atlas-note{display:block;font-size:11px}.atlas-note span{display:block;margin:5px 0}.about-reading-room h1,html[lang^=zh] .about-reading-room h1{font-size:36px;line-height:1.4}.reading-page.about-reading-room{padding-top:35px}.society-section{padding:40px 0}.society-section .society-orrery{display:none}.paper-title{font-size:18px}.paper-original-title{font-size:11px}.hero .button{border-radius:4px}}
@media(prefers-reduced-motion:reduce){.moon-drift,.orbit-rotor{animation:none!important}.motion-toggle{display:none}.classic-art .research-plate{transition:none}.classic-card:hover .research-plate{transform:none}}