@font-face{font-family:Rules;src:url('assets/Rules.woff2')}*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:#0c0d1d;color:#e6e4d8;font-family:Arial,'PingFang SC',sans-serif}body:after{content:'';position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='white' filter='url(%23n)' d='M0 0h160v160H0z'/%3E%3C/svg%3E")}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:#ffffff09;padding:13px 19px}button:focus-visible,a:focus-visible{outline:2px solid #777dff;outline-offset:6px}a{color:inherit;text-decoration:none}header{height:100px;margin:0 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff20}header>span{font-size:11px;letter-spacing:.16em;color:#a39b85}.brand{font:26px/.9 Rules}header button{font-size:12px}main{display:grid;grid-template-columns:34% 66%;min-height:690px;height:calc(100svh - 170px);max-height:1000px;padding-left:5%;overflow:hidden}.intro{padding-top:50px;z-index:2;position:relative;pointer-events:none}.intro button{pointer-events:auto}.eyebrow{font-size:10px;letter-spacing:.16em;color:#a59b80}h1{font:clamp(90px,11.9vw,200px)/.89 Rules;margin:40px 0 20px;letter-spacing:-.025em}.emblem{color:#a79e86;letter-spacing:.25em;font-size:22px;margin:22px 0 25px}h2{font:40px/1.05 Rules;margin:0}.sub{font-size:12px;color:#9295a8;letter-spacing:.15em;margin:18px 0 28px}.primary{background:#2424ed;font-size:12px;min-width:200px;padding:17px}.universe{position:relative;min-width:0;display:flex;align-items:center;justify-content:center}.atlas{position:relative;width:min(100%,900px);aspect-ratio:1;flex-shrink:0}#instrument,#planets{position:absolute;inset:0;width:100%;height:100%}#instrument{overflow:visible}.planet{position:absolute;left:50%;top:50%;width:clamp(88px,11.4vw,175px);padding:0;background:transparent;will-change:transform;isolation:isolate}.paper{display:block;padding:4px 4px 8px;background:#dedbcf;color:#222838;box-shadow:7px 18px 35px #0005;transition:transform .25s cubic-bezier(.23,1,.32,1),outline-color .2s;outline:1px solid transparent}.paper img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block}.paper span{display:flex;justify-content:space-between;padding:9px 3px 2px;font:12px Rules;gap:6px}.planet>*{pointer-events:none}.planet.active .paper,.planet:focus-visible .paper{transform:translateY(-6px);outline-color:#7378ff}.atlas-label{position:absolute;top:4%;left:34%;font:18px Georgia,serif;color:#a49a81;letter-spacing:.12em}.selection{position:absolute;bottom:3%;left:10%;right:10%;display:flex;justify-content:space-between;align-items:center;gap:20px;pointer-events:none}.selection>span{font:22px Rules}.selection small{font-size:10px;color:#9295a8}.track{transition:stroke .3s,opacity .3s}.track.active{stroke:#6268ff!important;opacity:.9!important}footer{min-height:70px;margin:0 4%;border-top:1px solid #ffffff20;display:flex;align-items:center;justify-content:space-between;color:#9295a8;font-size:10px;letter-spacing:.08em}footer button{font-size:11px;background:transparent}dialog{border:0;padding:0;color:#e6e4d8;background:#0c0d1d;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh}dialog::backdrop{background:#090b18dd}dialog[open]{animation:appear .25s cubic-bezier(.23,1,.32,1)}@keyframes appear{from{opacity:0}to{opacity:1}}.gallery-head{padding:40px 6%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ffffff20}.gallery-head h2{font-size:80px}.gallery-head p:not(.eyebrow){font-size:12px;color:#9295a8}#grid{columns:3;column-gap:24px;padding:35px 6%}.item{width:100%;break-inside:avoid;margin-bottom:25px;padding:0;background:transparent;text-align:left}.item img{display:block;width:100%;height:auto}.item span{display:block;margin-top:9px;color:#9295a8;font-size:10px}.end{text-align:center;padding:30px;font-size:13px;color:#9295a8}#lightbox{overflow:hidden;background:#090b16}#close-photo{position:absolute;right:25px;top:20px;z-index:2}#lightbox figure{position:absolute;inset:65px 10% 30px;margin:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}#full{max-width:100%;max-height:calc(100% - 45px);object-fit:contain}#caption{font-size:12px;color:#aaa}#prev,#next{position:absolute;top:47%;z-index:2;font-size:24px;background:transparent}#prev{left:1%}#next{right:1%}.flight{position:fixed;z-index:100;pointer-events:none;object-fit:cover;box-shadow:0 20px 80px #0007}
@media(min-width:1600px){main{padding-left:6%}}@media(max-width:750px){header{height:80px}header>span{display:none}main{display:block;height:auto;min-height:0;padding:0;overflow:hidden}.intro{padding:30px 7% 0}.intro h1{font-size:108px;line-height:.9;margin:25px 0}.intro h1 br{display:none}.emblem{margin:16px 0;font-size:15px}.intro h2{font-size:28px}.intro .sub{margin:10px 0 18px}.primary{min-width:170px;padding:13px}.universe{margin-top:20px;padding:20px 0 70px}.atlas{width:100%}.planet{width:22vw}.paper span{font-size:10px;padding-top:6px}.atlas-label{top:0;font-size:12px}.selection{bottom:20px;left:7%;right:7%}.selection>span{font-size:20px}.selection small{font-size:9px;max-width:140px}footer{font-size:8px;gap:12px}footer>span:first-child{max-width:100px}#grid{columns:2;padding:20px 5%;column-gap:12px}.gallery-head{padding:25px 5%}.gallery-head h2{font-size:47px}.gallery-head button{font-size:11px;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(max-width:750px){.intro h1{font-size:clamp(60px,20vw,130px);white-space:nowrap;letter-spacing:-.035em}}
@media(min-width:751px){.atlas{width:min(100%,max(590px,calc(100svh - 240px)),850px)}.intro{padding-top:30px}.intro h1{margin:28px 0 8px}.emblem{margin:0 0 14px;height:56px}.emblem svg{height:56px}.intro h2{font-size:34px}.sub{margin:12px 0 20px}}
footer{position:relative;z-index:35;background:#0c0d1d}
@media(min-width:751px){.planet{width:clamp(90px,9.7vw,150px)}}
/* A light Chinese sans complements Rules without a serif fallback. */
body{font-family:'PingFang SC','Helvetica Neue',Arial,sans-serif;font-weight:300}
.brand,h1,h2,.paper span,.selection>span{font-family:Rules,'PingFang SC','Helvetica Neue',sans-serif;font-weight:300}
.selection>span{font-size:18px;letter-spacing:.045em;line-height:1.5}.selection small,.sub,button,.gallery-head p,.end{font-weight:300}
.selection{left:8%;right:5%;bottom:1.5%}.selection small{line-height:1.6;letter-spacing:.04em}
.emblem{display:flex;align-items:center;justify-content:flex-start;height:auto!important;margin:8px 0 20px!important}
.emblem svg{width:min(100%,330px);height:auto!important;overflow:visible;transform:translateX(-10px)}
@media(min-width:751px){main{grid-template-columns:33% 67%}.atlas{width:min(100%,max(620px,calc(100svh - 225px)),900px)}.intro h1{font-size:clamp(90px,11.3vw,190px);margin-bottom:0}.intro h2{font-size:30px}.sub{margin:10px 0 18px}.atlas-label{left:38%;top:3%;font-size:15px}.planet{width:clamp(90px,9.4vw,145px)}}
@media(max-width:750px){.emblem svg{width:240px}.emblem{margin:3px 0 12px!important}.selection>span{font-size:15px}.selection{bottom:15px}.atlas-label{top:0;font-size:11px}}
/* Renaissance engraving: image plane between the orbital field and photographs. */
.engraving-scene{position:absolute;inset:0;pointer-events:none;z-index:1;isolation:isolate}
#instrument{z-index:2;pointer-events:none}#planets{z-index:3;pointer-events:none}.planet{pointer-events:auto}
.mercury-engraving{position:absolute;left:30%;top:23%;width:31%;height:55%;object-fit:cover;filter:grayscale(1) contrast(1.22) invert(1);mix-blend-mode:screen;opacity:.54;mask-image:linear-gradient(to bottom,transparent,black 9%,black 88%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,black 9%,black 88%,transparent)}
.astronomy-engraving{position:absolute;left:63%;top:14%;width:25%;height:34%;object-fit:cover;filter:grayscale(1) contrast(1.4) invert(1);mix-blend-mode:screen;opacity:.19;mask-image:radial-gradient(ellipse,black 10%,transparent 72%);-webkit-mask-image:radial-gradient(ellipse,black 10%,transparent 72%)}
.engraving-halo{position:absolute;left:26%;top:22%;width:46%;height:55%;background:radial-gradient(ellipse,#56525c17,transparent 70%)}
.plate-label,.plate-note{position:absolute;left:32%;top:79%;font:10px Georgia,serif;letter-spacing:.2em;color:#b2a68b}.plate-note{left:64%;top:48%;font-size:8px;color:#818398}
.art-credit{padding:9px 4% 20px;font-size:9px;line-height:1.8;color:#73788d;letter-spacing:.035em}
@media(min-width:751px){main{grid-template-columns:28% 72%;padding-left:4%;height:auto;min-height:clamp(800px,65vw,1000px);max-height:none}.intro{padding-top:45px}.intro h1{font-size:clamp(90px,10.7vw,186px)}.atlas{width:min(110%,1050px)}.universe{padding-bottom:30px;min-height:800px}.planet{width:clamp(96px,10.5vw,165px)}.atlas-label{left:36%;top:3%}.selection{left:13%;right:6%;bottom:2.8%}.emblem svg{width:100%;max-width:340px}.emblem{margin:18px 0 26px!important}.intro h2{font-size:34px}.selection>span{font-size:17px}}
@media(max-width:750px){.universe{padding-top:28px;padding-bottom:82px;min-height:460px}.atlas{width:110%}.planet{width:23vw}.plate-label{font-size:8px}.plate-note{font-size:6px}.selection{left:7%;right:7%}.art-credit{font-size:8px}}
/* Fit the entire desktop scene to the actual browser content viewport. */
@media(min-width:751px) and (min-height:560px){
 body{height:100svh;display:grid;grid-template-rows:72px minmax(0,1fr) 46px 26px}
 header{height:auto;min-height:0}.brand{font-size:23px}header button{padding:10px 17px}
 main{height:auto;min-height:0;max-height:none;grid-template-columns:29% 71%;overflow:visible;padding-left:4%;min-width:0}
 .intro{min-height:0;padding-top:clamp(12px,2.5svh,28px);display:flex;flex-direction:column;align-items:flex-start}
 .intro .eyebrow{margin:0;font-size:9px}
 .intro h1{font-size:min(11vw,23svh,186px);line-height:.89;margin:clamp(14px,2.8svh,28px) 0 0}
 .emblem{margin:clamp(5px,1.4svh,14px) 0 clamp(8px,1.8svh,18px)!important;width:min(95%,320px);flex-shrink:1}
 .emblem svg{width:100%;max-height:10svh;transform:translateX(-8px)}
 .intro h2{font-size:clamp(22px,4.2svh,34px);line-height:1.03}
 .intro .sub{font-size:11px;margin:8px 0 13px}
 .intro .primary{padding:12px 17px;min-width:180px;font-size:11px}
 .universe{min-height:0;min-width:0;display:block;padding:35px 20px 48px 0}
 .atlas{width:100%;height:100%;aspect-ratio:auto;max-width:none}
 .planet{width:min(10.5vw,19svh,165px)}
 .paper span{font-size:11px;padding-top:7px}.paper{padding-bottom:6px}
 .atlas-label{top:12px;left:35%;font-size:13px}
 .selection{left:7%;right:5%;bottom:12px;gap:12px}.selection>span{font-size:15px}.selection small{font-size:9px}
 .mercury-engraving{object-fit:contain;height:65%;top:17%;width:36%;left:28%}
 .astronomy-engraving{object-fit:contain}
 footer{height:auto;min-height:0;font-size:9px}footer button{padding:8px 12px}
 .art-credit{padding:2px 4% 6px;font-size:8px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media(min-width:751px) and (min-height:560px){.intro h1{font-size:min(11vw,20svh,186px)}}
/* More space for the central engraving; photographs travel around its core. */
.mercury-engraving{left:24%;top:7%;width:46%;height:86%;object-fit:contain;opacity:.65}
.engraving-halo{left:20%;top:10%;width:55%;height:78%}
.plate-label{left:33%;top:94%}
.intro .primary{margin-top:15px}
@media(min-width:751px) and (min-height:560px){
 .universe{padding-top:15px;padding-bottom:20px}
 .mercury-engraving{left:24%;top:7%;width:46%;height:86%;opacity:.65}
 .planet{width:min(10vw,17svh,155px)}
}
@media(max-width:750px){.universe{padding-bottom:35px;padding-top:10px}}
@media(min-width:751px) and (min-height:560px) and (max-height:700px){.planet{width:min(10vw,15svh,155px)}}
/* Selected gallery: editorial photography with an engraved, stationary margin. */
#gallery{margin:0;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#69617d #0c0d1d;background:#0c0d1d;overflow-x:hidden;overflow-y:auto}
.gallery-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;margin:0 4%;background:#0c0d1df5;border-bottom:1px solid #b4a68b45;backdrop-filter:blur(14px)}
.gallery-bar:before{content:'';position:absolute;top:0;left:-4.4vw;right:-4.4vw;height:3px;background:#3934ff}
.gallery-bar .brand{font:26px Rules}.gallery-bar #g-number{font:14px Rules;color:#aaa087;letter-spacing:.1em}.gallery-bar button{font-size:12px}
.gallery-layout{display:grid;grid-template-columns:minmax(200px,25%) minmax(0,1fr);gap:5%;padding:36px 5% 0 4%;align-items:start}
.gallery-rail{position:sticky;top:108px;height:calc(100dvh - 140px);min-height:400px;display:flex;flex-direction:column;border-right:1px solid #a99f8530;padding-right:12%;min-width:0}
.rail-index{font:11px Rules;letter-spacing:.19em;color:#a99c81}
#g-title{font:clamp(48px,7vw,112px)/.96 Rules,'PingFang SC',sans-serif;margin:20px 0 14px;overflow-wrap:anywhere;letter-spacing:-.015em}
#g-label{font:300 13px 'PingFang SC',sans-serif;color:#999aaa;margin:0}
.rail-art{position:relative;flex:1;min-height:130px;max-height:460px;margin:18px -10% 12px;isolation:isolate}
.rail-art svg{position:absolute;width:100%;height:100%;opacity:.75;transform-origin:50% 48%}
.rail-art img{position:absolute;inset:8% 23% 9%;width:54%;height:83%;object-fit:contain;filter:grayscale(1) contrast(1.22) invert(1);mix-blend-mode:screen;opacity:.64;mask-image:linear-gradient(transparent,black 10%,black 90%,transparent)}
.art-roman{position:absolute;bottom:0;width:100%;text-align:center;font:9px Georgia,serif;letter-spacing:.2em;color:#b1a58c}
.rail-bottom{position:relative;margin-top:auto;padding-top:16px}#g-count{font:14px Rules;letter-spacing:.12em;color:#a4a0a1}.reading-track{height:1px;background:#80796160;margin:14px 0}.reading-track i{display:block;height:2px;background:#655bff;transform-origin:left;transform:scaleX(0)}#reading-number{font:24px Rules;color:#c7bca4}.rail-star{float:right;color:#b3a589;font-size:23px}
#grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:70px 28px;columns:unset;padding:0;align-items:start}
#grid .item{grid-column:span 6;margin:0;min-width:0;opacity:0;transform:translateY(35px);transition:opacity .65s cubic-bezier(.23,1,.32,1),transform .85s cubic-bezier(.23,1,.32,1)}
#grid .item.revealed{opacity:1;transform:none}#grid .item img{width:100%;height:auto;max-height:76svh;object-fit:contain;background:#111222}
#grid .item span{font:13px Rules;letter-spacing:.1em;margin-top:14px;color:#a69e8e;display:flex;border-top:1px solid #a3978033;padding-top:11px}
#grid .item:nth-child(6n+1){grid-column:1/-1}#grid .item:nth-child(6n+2){grid-column:1/7}#grid .item:nth-child(6n+3){grid-column:8/13;margin-top:110px}#grid .item:nth-child(6n+4){grid-column:2/12}#grid .item:nth-child(6n+5){grid-column:1/6;margin-top:90px}#grid .item:nth-child(6n+6){grid-column:7/13}
#grid .gallery-cover{transform-origin:50% 0;transition:none;margin-bottom:20px}#grid .gallery-cover img{height:calc(100svh - 215px);min-height:320px;object-fit:contain;background:transparent}#grid .item:focus-visible{opacity:1;transform:none}
.gallery-end{margin:100px 0 45px;padding-top:30px;border-top:1px solid #a99f8540;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.gallery-end>span{font:90px Rules;margin-right:auto}.gallery-end button{font-size:12px}#lightbox button{font-family:'PingFang SC',sans-serif}
@media(max-width:800px){.gallery-bar{height:64px}.gallery-bar #g-number{display:none}.gallery-layout{display:block;padding:28px 6%}.gallery-rail{position:relative;top:0;height:auto;min-height:0;border:0;padding:0 0 26px;display:grid;grid-template-columns:1fr 115px;gap:10px}.rail-heading{min-width:0}#g-title{font-size:66px;margin:12px 0}.rail-art{height:160px;margin:0;grid-column:2;grid-row:1/3}.rail-bottom{grid-column:1;padding:0}.art-roman{font-size:6px}.rail-index{font-size:9px}#g-count{font-size:11px}.reading-track,#reading-number,.rail-star{display:none}#grid{gap:40px 18px}#grid .gallery-cover img{height:auto;min-height:0;max-height:70svh}#grid .item:nth-child(6n+3){margin-top:45px}#grid .item:nth-child(6n+5){margin-top:40px}#grid .item span{font-size:10px}.gallery-end{margin-top:60px}.gallery-end>span{font-size:60px}.gallery-end button{padding:12px}.gallery-bar .brand{font-size:23px}}
@media(prefers-reduced-motion:reduce){#grid .item{opacity:1;transform:none!important;transition:none}#rail-dial{transform:none!important}}
.gallery-bar:before{left:-4vw;right:-4vw}
#grid .gallery-cover img{object-fit:cover;object-position:center 55%}
@media(max-width:800px){#grid .gallery-cover img{object-fit:contain}}
/* Quiet, independent movement inside the established engraved margin. */
.rail-orbit-motion,.rail-tick-motion{transform-origin:180px 200px}
.rail-orbit-motion{animation:rail-orbit 72s linear infinite}
.rail-tick-motion{animation:rail-orbit 150s linear infinite reverse}
.rail-art img{animation:engraving-drift 10s ease-in-out infinite alternate}
@keyframes rail-orbit{to{transform:rotate(360deg)}}
@keyframes engraving-drift{from{transform:translateY(0);opacity:.59}to{transform:translateY(-3px);opacity:.67}}
#gallery:not([open]) .rail-art *,#gallery.ornaments-paused .rail-art *,#gallery.photo-viewing .rail-art *{animation-play-state:paused}
.ornament-toggle{position:absolute;right:34px;bottom:0;padding:3px 9px;font-size:12px;background:transparent;color:#a99c81}
@media(prefers-reduced-motion:reduce){.rail-art *{animation:none!important}.ornament-toggle{display:none}}
@media(max-width:800px){.ornament-toggle{right:0;bottom:12px}}
/* Preserve the actual photographic frame, including portrait openers. */
#grid .gallery-cover img{object-fit:contain;object-position:center;height:auto;min-height:0;max-height:calc(100svh - 215px);width:auto;max-width:100%;margin:0 auto}
#grid .gallery-cover{min-height:0}
#gallery[open]{animation:none}
#gallery::backdrop{background:transparent}
#open-index{padding:7px 0;background:transparent;color:#b4afc5;font-size:11px;text-decoration:underline;text-underline-offset:5px;margin-bottom:8px}
#photo-index{width:min(1100px,94vw);height:88dvh;max-height:88dvh;margin:auto;border:1px solid #aaa08450;background:#101122;overscroll-behavior:contain;scrollbar-width:thin}
#photo-index::backdrop{background:#060712d9}
.index-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 30px;background:#101122f5;border-bottom:1px solid #aaa08440}
.index-head h2{font:36px Rules}.index-head button{font-size:12px}
#photo-index-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px 18px;padding:28px 30px}
#photo-index-grid button{padding:0;background:none;text-align:left;min-width:0}
#photo-index-grid img{width:100%;height:145px;object-fit:contain;background:#0c0d1d;display:block}
#photo-index-grid span{display:block;font:12px Rules;color:#b2a68f;letter-spacing:.06em;margin-top:9px}
#next-place{border-bottom:1px solid #7972da;color:#ddd8ff}
@media(max-width:800px){#grid .gallery-cover img{max-height:70svh}#photo-index-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 12px;padding:20px}#photo-index-grid img{height:120px}.index-head{padding:18px 20px}.index-head h2{font-size:29px}#open-index{margin-bottom:0}.rail-bottom{padding-bottom:8px}.ornament-toggle{bottom:20px}}
@media(max-width:450px){#photo-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* One continuous vertical chapter boundary, with no flying photo or decorative reveal. */
.chapter-moving{overflow:hidden!important}
.chapter-moving>header,.chapter-moving>main,.chapter-moving>footer,.chapter-moving>.art-credit{will-change:transform}
.chapter-moving #gallery{will-change:transform}
.chapter-moving #gallery .rail-art *{animation-play-state:paused}
#gallery .gallery-cover{padding-top:28px}
@media(max-width:800px){#gallery .gallery-cover{padding-top:0}}
@media(min-width:801px){#gallery .gallery-cover{padding-top:64px}#grid .gallery-cover img{max-height:calc(100svh - 251px)}}