/* Lunar Society Labs — original interface, no third-party runtime. */
:root{--paper:#f5f3ee;--surface:#fbfaf7;--card:#ffffff7a;--ink:#1b2939;--muted:#6e7479;--line:#d9d8d1;--line-soft:#e5e4df;--accent:#8b7455;--accent-soft:#ede7dc;--navy:#1b2b40;--hero-tint:#e9e9e6;--shadow:0 18px 50px #1826380c;--serif:Georgia,'Baskerville','Songti SC','STSong','Noto Serif CJK SC',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;--mono:'SFMono-Regular',Consolas,monospace;--radius:12px;--header-height:80px}
:root[data-theme=dark]{--paper:#111b29;--surface:#172334;--card:#1b2a3c88;--ink:#e6e5df;--muted:#a3adb9;--line:#344153;--line-soft:#293647;--accent:#c4ad87;--accent-soft:#2c3340;--navy:#eee9df;--hero-tint:#18273b;--shadow:0 20px 60px #0002;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:20;background:url('assets/grain.webp') repeat;opacity:.035;mix-blend-mode:multiply}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit;cursor:pointer;border:0;background:none}button:disabled{cursor:default;opacity:.5}a,button,input,select{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent)}button, a{touch-action:manipulation}svg{display:block}button svg,.text-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}button[hidden],[hidden]{display:none!important}.wrap{width:min(1360px,calc(100% - 96px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-90px;left:20px;z-index:100;background:var(--ink);color:var(--paper);padding:14px 22px}.skip:focus{top:8px}
.site-header{height:var(--header-height);border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:30}.header-inner{height:100%;width:min(1456px,calc(100% - 80px));margin:auto;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}.brand img{object-fit:contain;filter:contrast(1.1);border-radius:50%;box-shadow:0 0 0 1px #7c858730}.brand span{font:500 23px/1.2 var(--serif);letter-spacing:-.75px}.brand em{font-style:normal;font-weight:400}.main-nav{display:flex;gap:26px;margin-left:auto;align-items:center}.main-nav a{font-size:13px;letter-spacing:.1px;transition:color .2s}.main-nav a:hover{color:var(--accent)}.header-tools{display:flex;align-items:center;gap:10px}.icon-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s;font-size:24px;line-height:1}.icon-button:hover{background:var(--accent-soft)}.search-shortcut{width:auto;gap:8px;border-radius:7px;padding:0 8px}.search-shortcut svg{width:17px;height:17px}.search-shortcut kbd{font:11px var(--mono);color:var(--muted)}.tool-divider{height:18px;width:1px;background:var(--line);margin:0 3px}.language-button{min-width:35px;font:600 12px var(--sans);letter-spacing:.4px;padding:9px 4px}.theme-button{border:1px solid var(--line);width:34px;height:34px}.theme-button svg{width:16px;height:16px}.theme-button .sun{display:none}html[data-theme=dark] .theme-button .sun{display:block}html[data-theme=dark] .theme-button .moon-icon{display:none}
.hero{position:relative;min-height:570px;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(115deg,var(--surface),var(--paper) 47%,var(--hero-tint))}.hero-grain{position:absolute;inset:0;background:url('assets/grain.webp');opacity:.055;mix-blend-mode:multiply;z-index:-1}.sky{position:absolute;inset:0 0 0 45%;z-index:-2;background:radial-gradient(ellipse at 85% -25%,#26395280,transparent 62%),radial-gradient(ellipse at 100% 65%,#abb9c04d,transparent 60%)}.sky::before,.sky::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 72% 12%,#fff 0 1px,transparent 1.6px),radial-gradient(circle at 34% 25%,#fff 0 .6px,transparent 1px),radial-gradient(circle at 91% 45%,#fff 0 1px,transparent 1.5px),radial-gradient(circle at 61% 32%,#fff 0 .7px,transparent 1.2px);background-size:181px 143px;opacity:.7}.sky::after{background-size:277px 211px;transform:rotate(11deg);opacity:.5}.hero-art{position:absolute;right:-60px;top:-70px;width:760px;height:640px;z-index:-1;pointer-events:none}.hero-moon{position:absolute;width:445px;height:445px;object-fit:contain;top:85px;left:210px;opacity:.8;transform:rotate(-14deg);filter:contrast(.88) brightness(1.15);mask-image:linear-gradient(to bottom,#000 20%,#000c 62%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,#000 20%,#000c 62%,transparent 100%)}.moon-halo{position:absolute;width:520px;height:520px;top:42px;left:171px;border-radius:50%;background:radial-gradient(circle,#fff0 45%,#e6edf345,transparent 70%)}.orrery{position:absolute;width:680px;top:55px;left:-10px;opacity:.3;transform:rotate(-13deg)}.orbit-map{position:absolute;inset:30px 0 0;width:740px;height:570px;color:var(--accent);opacity:.58}.plate-note{position:absolute;bottom:70px;right:110px;font:11px var(--mono);letter-spacing:2px;color:var(--muted);opacity:.7}.hero-content{padding-top:64px;padding-bottom:75px;position:relative}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--accent);font-size:11px;line-height:1.5;letter-spacing:2px;text-transform:uppercase}.tiny-star{font-size:18px;line-height:1}h1{font-family:var(--serif);font-size:clamp(44px,4.6vw,70px);font-weight:400;line-height:1.13;letter-spacing:-2.7px;margin:26px 0 22px;max-width:780px}.serif-italic{font-style:italic;font-weight:400}html[lang=zh-CN] h1{font-size:clamp(40px,4vw,61px);line-height:1.33;letter-spacing:-1.2px;font-weight:400}html[lang=zh-CN] h1 .serif-italic{font-style:normal}.hero-description{max-width:490px;font-size:15px;line-height:1.9;color:var(--muted);margin:0 0 30px;letter-spacing:.15px}html[lang=en] .hero-description{max-width:490px}.hero-actions{display:flex;align-items:center;gap:28px}.button{display:inline-flex;justify-content:center;align-items:center;gap:22px;min-height:44px;border-radius:30px;font-size:12px;font-weight:500;padding:11px 23px;border:1px solid var(--line);transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button.primary{color:var(--paper);background:var(--ink);border-color:var(--ink);box-shadow:0 6px 14px #16223514}.button.secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}.button.secondary:hover{background:var(--accent-soft)}.text-link{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:4px 0;white-space:nowrap}.text-link:hover{color:var(--accent)}.hero-caption{display:flex;align-items:center;gap:12px;margin-top:32px;font-size:11px;letter-spacing:.6px;color:var(--muted)}.caption-line{height:1px;width:25px;background:var(--accent)}.hero-bottom{position:absolute;left:0;right:0;bottom:22px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font:11px var(--mono);letter-spacing:1px;text-transform:uppercase}.scroll-cue{font:11px var(--sans);display:flex;gap:10px}
html[data-theme=dark] .hero{background:linear-gradient(110deg,#142030 20%,#18283b 75%,#203147)}html[data-theme=dark] .hero-moon{filter:contrast(1.1) brightness(.95);opacity:.83}html[data-theme=dark] .moon-halo{background:radial-gradient(circle,#acc1d600 40%,#adc8e411,transparent 70%)}html[data-theme=dark] .orrery{filter:brightness(1.9);opacity:.22}html[data-theme=dark] .sky{background:radial-gradient(ellipse at 80% -20%,#3e526c70,transparent 65%)}html[data-theme=dark] .orbit-map{opacity:.4}
.section{padding:48px 0;border-bottom:1px solid var(--line);scroll-margin-top:92px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.section-kicker{display:flex;align-items:center;gap:10px;font:11px var(--mono);letter-spacing:1.65px;color:var(--muted);text-transform:uppercase;margin-bottom:10px}.section-kicker>span:first-child{width:24px;height:24px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font-family:var(--serif);font-size:12px;letter-spacing:0;color:var(--accent)}h2{font:400 30px/1.3 var(--serif);letter-spacing:-.6px;margin:0}html[lang=zh-CN] h2{font-size:27px;letter-spacing:.2px}.section-description{color:var(--muted);font-size:12px;margin:12px 0 24px;line-height:1.8}.quiet-note{color:var(--muted);font-size:11px;line-height:1.7}.classics-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.classic-card{position:relative;min-width:0;display:flex;flex-direction:column;align-items:stretch;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:9px;overflow:hidden;padding:0;transition:transform .24s,box-shadow .24s,border-color .24s}.classic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--accent)}.classic-art{height:116px;overflow:hidden;position:relative;background:#e7e2d8;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}.classic-art::after{content:'';position:absolute;inset:0;background:linear-gradient(20deg,#22385013,transparent)}.classic-art img{height:205px;width:100%;object-fit:cover;object-position:center 43%;opacity:.85;transition:transform .6s}.classic-card:hover .classic-art img{transform:scale(1.06)}.classic-art .folio{position:absolute;left:10px;top:10px;font:11px var(--mono);letter-spacing:1px;color:#756b59;background:#f2eee4de;border:1px solid #b7aa9355;border-radius:3px;padding:2px 5px}.classic-body{padding:13px 12px 14px;flex:1;display:flex;flex-direction:column}.classic-meta{font:11px var(--mono);color:var(--muted);display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}.classic-card h3{font:500 18px/1.15 var(--serif);letter-spacing:-.2px;margin:0 0 7px}.classic-card p{font-size:11px;line-height:1.65;color:var(--muted);margin:0;flex:1}.classic-foot{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.pill{display:inline-flex;font-size:11px;padding:2px 7px;border-radius:5px;background:var(--accent-soft);color:var(--accent)}.classic-foot .arrow{font-size:15px;color:var(--muted)}html[data-theme=dark] .classic-art{background:#a9a494}html[data-theme=dark] .classic-art img{filter:brightness(.72) sepia(.1)}.reading-path{margin-top:20px;display:flex;align-items:center;gap:15px;font-size:11px;color:var(--muted);padding:10px 0 0}.path-label{color:var(--accent);margin-right:5px}.path-item{font:12px var(--serif);color:var(--ink)}.path-arrow{font-size:12px;color:var(--muted);opacity:.6}.reading-path .text-link{margin-left:auto;font-size:11px}
.labs-section{padding:40px 0}.lab-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin-top:24px;border:1px solid var(--line);border-radius:9px;overflow:hidden}.lab-card{padding:19px 16px 15px;min-width:0;border-right:1px solid var(--line);position:relative;transition:background .2s;background:var(--card)}.lab-card:last-child{border-right:0}.lab-card:hover{background:var(--surface)}.lab-top{display:flex;align-items:center;gap:9px}.lab-mark{width:30px;height:30px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;font:20px var(--serif);flex-shrink:0}.lab-card h3{font:500 15px/1.3 var(--serif);margin:0;letter-spacing:-.2px}.lab-card p{font-size:11px;line-height:1.75;color:var(--muted);margin:12px 0;min-height:35px}.lab-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}.lab-collection{font-size:11px;padding:3px 7px;border:1px solid var(--line);border-radius:4px}.lab-collection:hover{background:var(--accent-soft);border-color:var(--accent)}.lab-source{font-size:11px;color:var(--muted)}.lab-source:hover{color:var(--accent)}
.library-section{padding-top:46px}.small-count{font:11px var(--mono);background:var(--accent-soft);border-radius:20px;min-width:19px;text-align:center;padding:2px 5px}.search-box{display:flex;align-items:center;gap:15px;border:1px solid var(--line);background:var(--surface);border-radius:9px;margin-top:27px;padding:0 17px;height:55px;transition:box-shadow .2s,border-color .2s}.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #92794f12}.search-box>svg{width:19px;height:19px;stroke:var(--muted);fill:none;stroke-width:1.4;flex-shrink:0}.search-box input{width:100%;border:0;background:transparent;outline:none;color:var(--ink);font-size:12px;min-width:0;height:100%}.search-box input::placeholder{color:var(--muted)}.search-box input::-webkit-search-cancel-button{display:none}.search-box>kbd{font:11px var(--mono);border:1px solid var(--line);border-radius:4px;width:22px;height:24px;display:grid;place-items:center;color:var(--muted);flex-shrink:0}.filter-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px;border-bottom:1px solid var(--line)}.filter-tabs{display:flex;gap:25px;overflow-x:auto}.collection-tab{padding:12px 0 13px;border-bottom:2px solid transparent;font-size:11px;white-space:nowrap;color:var(--muted)}.collection-tab.active{border-color:var(--ink);color:var(--ink)}.collection-tab .n{font:11px var(--mono);margin-left:6px;opacity:.6}.snapshot{font:11px var(--mono);color:var(--muted);display:flex;align-items:center;gap:6px;white-space:nowrap}.status-dot{display:inline-block;width:5px;height:5px;background:#7f8f80;border-radius:50%;margin-right:3px}.filter-row{display:flex;align-items:center;gap:15px;justify-content:space-between;margin:18px 0}.topic-filters{display:flex;flex-wrap:wrap;gap:7px}.topic-chip{border:1px solid var(--line);border-radius:20px;padding:6px 11px;font-size:11px;color:var(--muted);white-space:nowrap}.topic-chip:hover{border-color:var(--accent);color:var(--ink)}.topic-chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.sort-wrap{flex-shrink:0}select{background:var(--paper);color:var(--muted);font-size:11px;border:1px solid var(--line);border-radius:5px;padding:7px 20px 7px 8px;max-width:130px}.results-meta{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);padding:2px 0 12px;border-bottom:1px solid var(--line)}.results-meta>div{display:flex;gap:10px;align-items:center}.results-meta .text-link{font-size:11px}.active-lab-tag{background:var(--accent-soft);color:var(--accent);padding:3px 6px;border-radius:4px}.paper-row{display:grid;grid-template-columns:40px minmax(0,1fr) 135px 36px;gap:19px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line-soft);transition:background .2s}.paper-row:hover{background:var(--surface)}.row-num{color:var(--accent);font:11px var(--mono);align-self:start;padding-top:6px;opacity:.7}.paper-main{min-width:0}.paper-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin-bottom:7px}.paper-meta .kind{color:var(--accent)}.meta-dot{width:2px;height:2px;border-radius:50%;background:var(--muted);opacity:.5}.paper-title{font:500 18px/1.4 var(--serif);text-align:left;display:inline;padding:0;color:var(--ink);letter-spacing:-.25px}.paper-title:hover{color:var(--accent)}.paper-subtitle{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.6}.paper-summary{font-size:11px;line-height:1.8;margin:8px 0 0;color:var(--muted);max-width:780px}.paper-tags{display:flex;gap:5px;margin-top:9px;flex-wrap:wrap}.paper-tag{color:var(--muted);border:1px solid var(--line-soft);border-radius:4px;padding:1px 5px;font-size:11px;line-height:1.7}.paper-right{align-self:center;text-align:right}.paper-date{font:11px var(--mono);color:var(--muted)}.paper-lab{font-size:11px;color:var(--muted);margin-top:7px}.save-button{color:var(--muted);align-self:center}.save-button svg{width:16px;height:16px}.save-button.saved svg{fill:var(--accent);stroke:var(--accent)}.save-button:hover{color:var(--accent)}#savedToggle[aria-pressed=true]{color:var(--accent)}.library-bottom{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:23px;flex-wrap:wrap}.library-bottom .button{font-size:11px;padding:8px 22px;min-height:38px}.editorial-note{display:flex;gap:11px;align-items:flex-start;max-width:860px;margin:24px auto 0;color:var(--muted);font-size:11px}.editorial-note>span{color:var(--accent);padding-top:2px}.editorial-note p{margin:0;line-height:1.8}.empty-state{text-align:center;padding:45px 10px}.empty-orbit{font-size:65px;line-height:1.2;color:var(--accent)}.empty-state h3{font:24px var(--serif);font-weight:400}.empty-state p{font-size:12px;color:var(--muted)}
.timeline-shell{margin-top:24px;border:1px solid var(--line);border-radius:10px;background:var(--card);overflow:hidden}.era-track{display:grid;grid-template-columns:repeat(6,1fr);position:relative;padding:24px 20px 0;border-bottom:1px solid var(--line);background:var(--surface)}.era-tab{position:relative;padding:0 4px 22px;color:var(--muted);border-bottom:2px solid transparent;display:flex;align-items:center;flex-direction:column;min-width:0}.era-tab::after{content:'';position:absolute;left:50%;right:-50%;height:1px;background:var(--line);top:34px}.era-tab:last-child::after{display:none}.era-year{font:14px var(--serif);margin-bottom:12px}.era-point{width:8px;height:8px;border-radius:50%;background:var(--surface);border:1px solid var(--accent);z-index:1;margin:0 0 12px;transition:background .2s}.era-caption{font-size:11px;line-height:1.6}.era-tab.active{border-color:var(--accent);color:var(--ink)}.era-tab.active .era-point{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.era-panel{min-height:220px;padding:31px 35px;display:grid;grid-template-columns:1fr 1fr;gap:40px;position:relative}.era-panel::before{content:'';position:absolute;right:0;bottom:0;width:240px;height:220px;background:url('assets/orrery.svg') center/cover;opacity:.11;pointer-events:none}.era-detail .era-number{font:11px var(--mono);color:var(--accent);letter-spacing:2px}.era-detail h3{font:400 28px/1.3 var(--serif);margin:11px 0}.era-detail p{font-size:12px;line-height:1.85;color:var(--muted);margin:0;max-width:450px}.era-papers{align-self:center;z-index:1}.era-paper{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left;padding:12px 0;border-bottom:1px solid var(--line);gap:15px}.era-paper:last-child{border-bottom:0}.era-paper span:first-child{font:15px var(--serif)}.era-paper:hover{color:var(--accent)}.era-paper span:last-child{font:11px var(--mono);color:var(--muted)}
.society-section{display:flex;align-items:center;gap:35px;position:relative;padding:75px 20px 75px 0;overflow:hidden}.society-mark{font:110px var(--serif);color:var(--accent);opacity:.6;margin:0 10px;line-height:1}.society-section h2{font-size:33px;line-height:1.4;margin:16px 0;color:var(--ink)}.society-section h2 i{font-weight:400;color:var(--muted)}.society-section p{font-size:12px;color:var(--muted);max-width:500px;line-height:1.9}.society-section>.text-link{margin-left:auto;z-index:1}.society-orrery{position:absolute;right:60px;top:0;width:440px;opacity:.11;pointer-events:none}.footer{border-top:1px solid var(--line);padding:28px 0 20px;background:var(--surface)}.footer-top{display:flex;align-items:center;gap:30px}.small-brand span{font-size:19px}.footer-top>span{font:italic 12px var(--serif);color:var(--muted)}.footer-links{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:11px;color:var(--muted)}.footer-links button{font-size:11px;padding:0}.footer-links a:hover,.footer-links button:hover{color:var(--accent)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;font:11px var(--mono);color:var(--muted);padding-top:22px;margin-top:24px;border-top:1px solid var(--line-soft);gap:15px}
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@media(min-width:1600px){.hero-art{right:calc((100vw - 1480px)/2 - 40px)}.hero-content{padding-top:75px}.hero{min-height:595px}}
@media(max-width:1200px){.wrap{width:calc(100% - 64px)}.header-inner{width:calc(100% - 48px);gap:20px}.brand span{font-size:21px}.main-nav{gap:20px}.header-tools{gap:4px}.search-shortcut kbd{display:none}.hero-art{right:-170px;opacity:.85}.hero-content{padding-top:60px}h1{max-width:650px}.hero-description{max-width:430px}.classics-grid{gap:9px}.classic-body{padding:12px 10px}.classic-card h3{font-size:16px}.lab-grid{grid-template-columns:repeat(3,1fr)}.lab-card:nth-child(3){border-right:0}.lab-card:nth-child(-n+3){border-bottom:1px solid var(--line)}.lab-card p{min-height:auto;margin:8px 0 12px}.lab-actions{justify-content:flex-start;gap:15px}}
@media(max-width:920px){:root{--header-height:70px}.main-nav{display:none}.header-tools{margin-left:auto;gap:10px}.hero{min-height:530px}.hero-art{right:-260px;opacity:.6}.hero-content{padding-top:52px;z-index:1}h1{font-size:52px;max-width:550px}.hero-description{max-width:410px}.classics-grid{grid-template-columns:repeat(3,1fr);gap:12px}.classic-card{display:grid;grid-template-columns:74px 1fr}.classic-art{height:100%;min-height:150px;border-bottom:0;border-right:1px solid var(--line)}.classic-art img{height:190px;width:150px;max-width:none}.classic-body{padding:13px}.classic-card h3{font-size:18px}.classic-card p{font-size:11px}.classic-art .folio{left:6px;top:6px;font-size:11px}.classic-foot{margin-top:7px}.reading-path{gap:10px;flex-wrap:wrap}.reading-path .text-link{margin-left:auto}.snapshot{display:none}.filter-row{align-items:flex-start}.paper-row{grid-template-columns:24px minmax(0,1fr) 100px 30px;gap:12px}.society-mark{font-size:80px}.society-section{gap:20px}.society-section>.text-link{align-self:flex-end}.footer-top{gap:15px;flex-wrap:wrap}.footer-top>span{display:none}}
@media(max-width:640px){:root{--header-height:65px}.wrap{width:calc(100% - 36px)}.header-inner{width:calc(100% - 30px);gap:10px}.brand{gap:8px}.brand span{font-size:19px;letter-spacing:-.6px}.brand img{width:32px;height:32px}.header-tools{gap:2px}.search-shortcut{display:none}.tool-divider{display:none}.language-button{font-size:11px;min-width:31px}.theme-button{width:30px;height:30px}.hero{min-height:570px}.hero-content{padding-top:42px;padding-bottom:60px}.hero-art{right:-300px;top:145px;opacity:.43;width:760px;z-index:-1}.hero-moon{width:400px;height:400px;left:225px;top:45px}.hero .sky{inset:10% 0 0 0;opacity:.3}.hero-description{max-width:94%;font-size:13px;line-height:1.9;margin-bottom:26px}.eyebrow{font-size:11px;letter-spacing:1.3px}h1{font-size:44px;line-height:1.13;letter-spacing:-1.9px;margin:23px 0 20px}html[lang=zh-CN] h1{font-size:38px;line-height:1.4;letter-spacing:-1.4px}.hero-actions{flex-wrap:wrap;gap:17px}.hero-actions .button{font-size:11px;min-height:42px;padding:10px 18px}.hero-actions .text-link{font-size:11px}.hero-caption{font-size:11px;margin-top:26px}.hero-bottom{font-size:11px;letter-spacing:.5px;bottom:17px;flex-wrap:wrap;gap:6px}.hero-bottom .scroll-cue{display:none}.section{padding:34px 0}.section-heading{gap:10px;align-items:flex-end}.section-kicker{font-size:11px;letter-spacing:1px;gap:7px}.section-kicker>span:first-child{width:21px;height:21px;font-size:11px}h2,html[lang=zh-CN] h2{font-size:24px;line-height:1.4}.section-heading>.text-link{font-size:11px;gap:5px}.section-heading>.quiet-note{display:none}.section-description{font-size:11px;margin:11px 0 20px}.classics-grid{grid-template-columns:repeat(2,1fr);gap:10px}.classic-card{display:flex}.classic-art{height:100px;min-height:100px;border-right:0;border-bottom:1px solid var(--line)}.classic-art img{width:100%;height:210px;object-position:center}.classic-body{padding:12px}.classic-card h3{font-size:18px}.classic-card p{font-size:11px}.classic-foot{margin-top:11px}.reading-path{font-size:11px;gap:8px;line-height:1.8;margin-top:17px}.reading-path .path-label{width:100%}.reading-path .text-link{width:100%;margin-left:0}.path-item{font-size:11px}.lab-grid{grid-template-columns:repeat(2,1fr);margin-top:20px}.lab-card{padding:15px 12px 13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.lab-card:nth-child(3){border-right:1px solid var(--line)}.lab-card:nth-child(2n){border-right:0}.lab-card:nth-last-child(-n+2){border-bottom:0}.lab-card h3{font-size:15px}.lab-card .lab-mark{width:26px;height:26px;font-size:18px}.lab-card p{font-size:11px;min-height:31px}.lab-actions{gap:8px;justify-content:space-between}.lab-source{font-size:11px}.lab-collection{font-size:11px}.search-box{height:50px;margin-top:22px;padding:0 12px;gap:10px}.search-box input{font-size:11px}.search-box kbd{display:none}.filter-tabs{gap:20px;width:100%}.collection-tab{font-size:11px}.collection-tab .n{font-size:11px;margin-left:4px}.filter-row{flex-wrap:wrap;gap:11px;margin:15px 0}.topic-filters{gap:6px}.topic-chip{font-size:11px;padding:5px 9px}.sort-wrap{margin-left:auto}.results-meta{font-size:11px}.paper-row{grid-template-columns:18px minmax(0,1fr) 28px;gap:9px;padding:18px 0}.paper-right{display:none}.paper-title{font-size:17px;line-height:1.4}.row-num{font-size:11px;padding-top:4px}.paper-meta{font-size:11px;gap:6px}.paper-subtitle{font-size:11px}.paper-summary{font-size:11px;line-height:1.8;margin-top:7px}.paper-tags{margin-top:8px}.paper-tag{font-size:11px}.save-button{width:28px;height:32px;align-self:start;margin-top:15px}.editorial-note{font-size:11px}.library-bottom{margin-top:20px}.era-track{padding:20px 5px 0;overflow-x:auto;grid-template-columns:repeat(6,minmax(79px,1fr))}.era-tab{padding-bottom:16px}.era-year{font-size:13px}.era-caption{font-size:11px}.era-panel{display:block;padding:23px 20px;min-height:310px}.era-detail h3{font-size:25px;margin:10px 0}.era-detail p{font-size:11px}.era-papers{margin-top:20px}.era-paper{padding:10px 0}.era-paper span:first-child{font-size:14px}.society-section{padding:44px 0;gap:0;display:block}.society-mark{position:absolute;right:10px;top:45px;font-size:95px;opacity:.23}.society-section h2{font-size:27px}.society-section p{font-size:11px;max-width:280px}.society-section>.text-link{margin-top:10px;font-size:11px}.society-orrery{width:330px;right:-110px;opacity:.1}.footer{padding:24px 0 18px}.footer-top{display:block}.small-brand span{font-size:20px}.footer-links{margin-top:23px;gap:22px;font-size:11px}.footer-bottom{font-size:11px;flex-wrap:wrap;padding-top:18px;gap:12px;margin-top:20px}.footer-bottom>span:last-child{display:none}dialog{max-height:calc(100dvh - 28px);border-radius:12px}.dialog-top{padding:12px 17px}#detailContent,#infoContent{padding:23px 23px 27px}.detail-title{font-size:27px}.detail-translation{font-size:12px}.detail-section p{font-size:12px}.detail-authors{font-size:11px}.detail-actions{gap:8px}.detail-actions .button{padding:8px 14px;font-size:11px}.detail-secondary{gap:13px}.detail-secondary .text-link{font-size:11px}.detail-foot{font-size:11px}.info-dialog p,.info-dialog li{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.hero-art,.header-tools,.filter-row,.search-box,.filter-top,.footer,.society-section,.save-button,.library-bottom,.hero-actions,.hero-caption,.hero-bottom{display:none!important}body{background:white;color:#111}.wrap{width:100%}.hero{min-height:auto}.hero-content{padding:20px 0}.paper-row{break-inside:avoid}.section{padding:20px 0}dialog{display:none}}
/* Lunar Society approved original mark / brand v4 */
.brand{gap:12px}.brand .brand-symbol{position:relative;display:block;width:44px;height:44px;flex:0 0 44px;line-height:0}
.brand .brand-symbol img{width:100%;height:100%;border-radius:0;box-shadow:none;filter:none;position:absolute;inset:0;object-fit:contain}
.brand .brand-copy{display:flex;flex-direction:column;gap:5px;letter-spacing:0;white-space:nowrap}
.brand .brand-name{font:500 25px/1.05 var(--serif);letter-spacing:-.6px}
html[lang^="zh"] .brand .brand-name{font-size:27px;letter-spacing:4px}
.brand .brand-descriptor{font:11px/1.2 var(--sans);letter-spacing:2.1px;color:var(--muted)}
.brand .logo-night{display:none}[data-theme="dark"] .brand .logo-night{display:block}[data-theme="dark"] .brand .logo-day{display:none}
.footer .brand .brand-symbol{width:34px;height:34px;flex-basis:34px}.footer .brand .brand-name{font-size:22px}.footer .brand .brand-descriptor{font-size:11px}
.footer-bottom{flex-wrap:wrap;font-size:11px;line-height:1.8}.footer-domain{letter-spacing:.25px}.footer-links{flex-wrap:wrap}
.society-section .society-mark{display:flex;align-items:center;justify-content:center}.society-mark img{width:62px;height:62px;opacity:.8}
.era-track{display:flex;overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x proximity;gap:0;scrollbar-width:thin;padding:22px 16px 0}
.era-tab{flex:0 0 132px;min-width:132px;scroll-snap-align:center}.era-year{font:13px/1.5 var(--mono);white-space:nowrap}.era-caption{max-width:120px;font-size:11px;line-height:1.6}
.era-panel{align-items:start}.era-papers{max-height:360px;overflow:auto;align-self:start}.era-paper span:last-child{white-space:nowrap;font:11px var(--mono);color:var(--muted)}
.timeline-all{display:inline-block;margin-top:16px;font-size:12px;color:var(--accent)}.timeline-month-nav{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0}
.timeline-month-nav a{padding:8px 11px;border:1px solid var(--line);border-radius:5px;font:11px var(--mono)}.era-static{scroll-margin-top:110px}
.brand-about-hero{display:flex;align-items:center;gap:24px;margin:24px 0 38px}.brand-about-hero img{width:90px;height:90px}.brand-about-hero strong{font:32px var(--serif)}
.brand-relationship{padding:22px;border-left:2px solid var(--accent);background:var(--surface);margin:30px 0}.brand-relationship p{margin:7px 0}
.detail-foot{font-size:11px;line-height:1.8}.reading-page .quiet-note{font-size:12px;line-height:1.8}
@media(max-width:1100px){.header-inner{gap:18px}.brand .brand-name{font-size:22px}.main-nav{gap:17px}.brand .brand-descriptor{font-size:11px;letter-spacing:1.5px}}
@media(max-width:600px){.brand .brand-symbol{width:36px;height:36px;flex-basis:36px}.brand .brand-name{font-size:19px}html[lang^="zh"] .brand .brand-name{font-size:23px}.brand .brand-descriptor{font-size:11px;letter-spacing:1.6px}.header-inner{gap:10px}.era-tab{flex-basis:120px;min-width:120px}.era-panel{padding:24px;gap:22px}.footer-bottom{display:flex;align-items:flex-start;flex-direction:column;gap:6px}.brand-about-hero{gap:16px}.brand-about-hero img{width:64px;height:64px}.brand-about-hero strong{font-size:26px}}

.index-directory{display:flex;gap:10px;flex-wrap:wrap}.reading-page{padding:60px 0;max-width:1040px;min-height:70vh}.reading-page h1{font-size:clamp(32px,4vw,52px);line-height:1.3;max-width:100%;margin:22px 0}.reading-page .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:800px}.reading-page .metadata{font-size:12px;color:var(--muted);margin:22px 0;line-height:2}.reading-page h2{font-size:24px;margin:32px 0 14px}.reading-page .body-copy{font-size:15px;line-height:1.9;max-width:810px}.reading-page .detail-actions{flex-wrap:wrap}.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.directory-card{padding:22px;border:1px solid var(--line);border-radius:10px;background:var(--card)}.directory-card h3{font:22px var(--serif);margin:10px 0}.index-row{display:block;padding:23px 0;border-bottom:1px solid var(--line)}.index-row h2{margin:8px 0;font:24px/1.4 var(--serif)}.index-row p{margin:8px 0 0;color:var(--muted);font-size:13px}.breadcrumbs{font:11px var(--sans);color:var(--muted);margin-bottom:20px}.nav-back{display:flex;gap:14px;flex-wrap:wrap}.paper-reference{white-space:pre-wrap;overflow-wrap:anywhere;padding:22px;background:var(--surface);border:1px solid var(--line);font:12px/1.8 var(--mono)}.era-static{border-left:1px solid var(--accent);margin:20px 0;padding:0 0 20px 24px}.index-date{font:11px var(--mono);color:var(--accent)}@media(max-width:760px){.reading-page{padding-top:30px}.directory-grid{grid-template-columns:1fr}.reading-page h1{font-size:32px}.index-row h2{font-size:21px}}

/* Accepted independent review: readability, mobile navigation, accessible controls. */
:root{--muted:#535e69;--accent:#70583c;--accent-soft:#ede7dc;color-scheme:light}
:root[data-theme=dark]{--muted:#b0bac5;--accent:#dec398;--accent-soft:#2c3340;color-scheme:dark}
.eyebrow,.section-kicker,.hero-caption,.hero-bottom,.plate-note,.era-number,.index-date,.classic-meta,.paper-meta,.paper-date,.paper-lab,.quiet-note,.paper-tag,.pill,.n,.small-count,.brand-descriptor,.footer-bottom{font-size:11px;opacity:1}
.collection-tab .n,.row-num,.plate-note{opacity:1}.pill,.paper-tag{color:var(--accent)}.paper-date,.paper-lab,.row-num,.hero-bottom,.footer-bottom,.plate-note,.quiet-note{color:var(--muted)}
.main-nav a,.language-button,.icon-button,.theme-button{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center}
.main-nav a{padding:10px 0}.text-link,.lab-source,.lab-collection,.topic-chip,.collection-tab,.timeline-month-nav a{min-height:44px;display:inline-flex;align-items:center}
.era-tab{min-height:90px}.search-shortcut kbd{font-size:11px}.brand .brand-descriptor,.footer .brand .brand-descriptor{font:10px/1.3 var(--sans);letter-spacing:1.15px}
.wrap,.header-inner{padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}.footer{padding-bottom:max(30px,env(safe-area-inset-bottom,0px))}
.library-filters{display:grid;grid-template-columns:minmax(200px,1fr) 180px 180px auto;gap:12px;margin:28px 0;padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.library-filters label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--muted)}.library-filters input,.library-filters select{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink)}.library-filters button{align-self:end;min-height:44px}.library-status{font:12px var(--sans);color:var(--muted);margin:18px 0}.paper-subtitle{font:18px/1.6 var(--serif);color:var(--muted)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px}.breadcrumbs a{min-height:30px;display:inline-flex;align-items:center}.breadcrumbs [aria-current]{color:var(--ink)}
@media(max-width:920px){:root{--header-height:128px}html{scroll-padding-top:145px}.site-header{height:auto;min-height:128px}.header-inner{display:flex;flex-wrap:wrap;width:calc(100% - 32px);gap:0 8px;min-height:128px;padding-top:10px}.header-tools{margin-left:auto;gap:4px}.tool-divider,.search-shortcut kbd{display:none}.main-nav{display:flex!important;order:3;flex:1 0 100%;width:100%;min-width:0;max-width:100%;overflow-x:auto;white-space:nowrap;justify-content:space-between;gap:16px;margin:4px 0 0;min-height:52px;scrollbar-width:thin}.main-nav a{flex:none;padding:10px 2px;font-size:12px}.library-filters{grid-template-columns:1fr 1fr}.library-filters label:first-child{grid-column:1/-1}.library-filters button{width:100%}.reading-page,.section,.era-static{scroll-margin-top:145px}}
@media(max-width:450px){.brand .brand-symbol{width:31px;height:31px;flex-basis:31px}.brand .brand-name{font-size:17px}html[lang^="zh"] .brand .brand-name{font-size:22px}.brand .brand-copy{gap:4px}.brand{gap:8px}.brand .brand-descriptor{font-size:9px;letter-spacing:.7px}.header-tools{gap:0}.header-tools .search-shortcut{display:none}.main-nav{gap:16px}.library-filters{padding:14px;gap:10px}.wrap{width:calc(100% - 36px)}.footer .brand .brand-name{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}