/* System: Songti/Kaiti headings 64–108px; PingFang body 26px; 8px spacing.
   Shared bronze/ink/paper vocabulary; exhibit-specific composition and surface. */
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#132522}body{font-family:'Songti SC','STSong',serif}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;border:0;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:4px solid #bd603c;outline-offset:5px}button:disabled{opacity:.4;cursor:default}a{color:inherit}h1,h2,h3,p{margin:0}h1{font-weight:500;font-size:88px;letter-spacing:6px;line-height:1.2}h2{font-size:54px;font-weight:500;line-height:1.35}h3{font-size:32px;font-weight:500}p{font-size:27px;line-height:1.85}small,.meta{font:21px/1.6 'PingFang SC',sans-serif}.stage{position:fixed;inset:0;display:grid;place-items:center}.canvas{width:1920px;height:1080px;position:relative;transform-origin:center;background:var(--bg);color:var(--fg);overflow:hidden;--bg:#eee5d1;--fg:#213e36;--accent:#9d6739;--soft:#ded2b9;--line:#99856788;--paper:#f6efdf}.canvas:after{content:'';position:absolute;inset:16px;border:1px solid var(--line);pointer-events:none;z-index:20}.topbar{position:absolute;top:45px;left:64px;right:64px;height:62px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);z-index:15}.brand{font-size:25px;letter-spacing:4px;display:flex;align-items:center;gap:18px}.sealmark{font-size:18px;writing-mode:vertical-rl;letter-spacing:2px;background:#954331;color:#fff3d7;padding:7px 4px}.topbar .code{font:20px 'PingFang SC';letter-spacing:2px}.exhibit-name{font-size:26px}.content{position:absolute;inset:150px 72px 135px;animation:enter .5s ease both}.bottom{position:absolute;bottom:38px;left:64px;right:64px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;z-index:15}.btn{background:var(--fg);color:var(--bg);padding:17px 30px;min-height:60px;font:24px 'PingFang SC';border:1px solid var(--fg);display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none}.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff4df}.btn.small{font-size:21px;padding:12px 23px;min-height:48px}.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px}.eyebrow{font:21px 'PingFang SC';letter-spacing:4px;color:var(--accent);margin-bottom:20px}.muted{opacity:.7}.lede{max-width:620px;margin:26px 0}.breadcrumb{font:21px 'PingFang SC';display:flex;gap:18px;align-items:center}.breadcrumb span.active{border-bottom:2px solid var(--accent);padding-bottom:8px}.footer-right{display:flex;gap:12px}.art{width:100%;height:100%;object-fit:contain}.photo{width:100%;height:100%;object-fit:cover}.imgframe{overflow:hidden;position:relative;background:var(--soft)}.source-tag{position:absolute;bottom:16px;left:18px;right:18px;font:18px 'PingFang SC';background:#f4ebd9dd;color:#34463b;padding:9px 13px}.paper{background:var(--paper);padding:32px;border:1px solid var(--line)}.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.number{font:100px/1 Georgia,serif;opacity:.3}.rule{height:1px;background:var(--line);margin:25px 0}.vtitle{writing-mode:vertical-rl;letter-spacing:14px}.chips{display:flex;gap:12px;flex-wrap:wrap}.chip{padding:13px 20px;background:transparent;border:1px solid var(--line);font:22px 'PingFang SC';min-height:50px}.chip.active{background:var(--fg);color:var(--bg)}.split{height:100%;display:grid;grid-template-columns:1.5fr 1fr;gap:44px}.intro{display:flex;flex-direction:column;justify-content:center}.ambient{position:absolute;pointer-events:none}.cover-label{font:20px 'PingFang SC';letter-spacing:4px;margin-top:15px}.wordportrait{height:100%;display:grid;place-items:center;font-size:120px;background:var(--soft);color:var(--fg)}
/* Individual compositions, not a common card homepage. */
.welcome{--bg:#173b37;--fg:#f5e7c8;--accent:#d1ab66;--soft:#244d43;--paper:#23453f}.welcome:before{content:'';position:absolute;inset:0;background:url('青绿山水无字背景.png') center/cover;opacity:.42;animation:breathe 18s ease-in-out infinite alternate}.welcome .landing{height:100%;display:flex;justify-content:center;align-items:center;gap:160px}.welcome h1{font-size:136px;writing-mode:vertical-rl;letter-spacing:22px}.welcome .lede{width:550px}.chapter-strips{display:flex;gap:20px;margin-top:34px}.chapter-strips button{background:transparent;border-top:1px solid var(--accent);padding:18px 0;font-size:27px}
.guide{--bg:#eae4d3;--fg:#334c43}.guide-layout{display:grid;grid-template-columns:520px 1fr;height:100%;gap:80px}.floor-stack{display:flex;flex-direction:column;gap:20px}.floor-row{display:grid;grid-template-columns:130px 1fr 200px;align-items:center;padding:25px 34px;background:var(--paper);border-bottom:4px solid var(--accent);text-align:left;min-height:180px}.floor-row b{font-size:75px;font-weight:400}.floor-row img{height:130px;width:190px;object-fit:cover}
.earth{--bg:#d9c6a4;--fg:#453d2a;--soft:#b5a17f;--accent:#815438;--paper:#ede0c6}.earth-layout{display:grid;grid-template-columns:570px 1fr;gap:70px;height:100%}.strata{display:flex;flex-direction:column;gap:10px;padding-top:15px}.stratum{position:relative;display:flex;align-items:center;gap:35px;text-align:left;flex:1;padding:18px 45px;background:#eee0c4;border-bottom:13px solid #a1845b;transform:translateX(var(--shift));transition:transform .35s}.stratum:hover{transform:translateX(0)}.stratum img{height:120px;width:210px;object-fit:contain}.stratum strong{font-size:34px;font-weight:400}
.terrain{--bg:#193d3b;--fg:#f1e8ce;--accent:#cbae6d;--soft:#31514a;--paper:#294c46}.terrain-hero{height:100%;display:grid;grid-template-columns:500px 1fr;gap:50px}.terrain-view{position:relative;overflow:hidden;border:1px solid var(--line)}.terrain-view img{opacity:.65;filter:sepia(.45)}.layer-tabs{position:absolute;bottom:24px;left:24px;display:flex;gap:12px}.floating-label{position:absolute;background:#173d34e8;border:1px solid #cbae6d;color:#f4e8ce;padding:13px 20px;font-size:26px}
.timeline{--bg:#ede1c7;--fg:#36493e;--accent:#a05c39;--soft:#d2c6a9}.time-title{display:flex;justify-content:space-between;align-items:center}.time-river{display:flex;align-items:end;gap:18px;margin-top:45px;height:440px;position:relative}.time-river:before{content:'';height:2px;background:var(--accent);position:absolute;left:0;right:0;bottom:72px}.era{width:20%;height:var(--height);background:var(--paper);border:1px solid var(--line);border-bottom:6px solid var(--accent);padding:22px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;position:relative;transition:transform .3s}.era:hover{transform:translateY(-15px)}.era h3{font-size:40px}.era img{height:120px;width:100%;object-fit:contain}.era .number{font-size:48px}
.seal{--bg:#e5d5b8;--fg:#4f352a;--accent:#a14530;--paper:#f1e5cc}.seal-layout{display:grid;grid-template-columns:1fr 480px;gap:50px;height:100%}.seal-path{display:flex;align-items:center;justify-content:space-around;position:relative}.seal-tile{border:4px solid var(--accent);outline:1px solid var(--accent);outline-offset:9px;background:transparent;width:210px;height:310px;writing-mode:vertical-rl;font:65px 'Kaiti SC';letter-spacing:14px;padding:30px;transform:rotate(var(--rot));transition:transform .3s}.seal-tile:hover{transform:rotate(0) scale(1.05)}
.cabinet{--bg:#3f4333;--fg:#f0e1c4;--accent:#d1ad77;--soft:#5b5a41;--paper:#52543d}.cabinet-layout{display:grid;grid-template-columns:420px 1fr;gap:60px;height:100%}.drawers{display:grid;grid-template-columns:1fr 1fr;gap:22px}.drawer{border:10px solid #746348;background:#4b4936;box-shadow:inset 0 0 0 2px #b19463;text-align:left;padding:35px;display:flex;flex-direction:column;justify-content:space-between}.drawer h3{font-size:42px}.handle{width:100px;height:25px;border:4px solid #bda376;border-top:0;align-self:center}.drawer:hover .handle{transform:translateY(5px)}
.atlas{--bg:#e7ddc1;--fg:#28483f;--accent:#8d5e37}.atlas-home{height:100%;display:grid;grid-template-columns:380px 1fr;gap:45px}.map-stage{position:relative;overflow:hidden;background:var(--soft);border:1px solid var(--line)}.map-stage>.photo{opacity:.62;filter:sepia(.45)}.map-grid{position:absolute;inset:0;background-image:linear-gradient(#34544918 1px,transparent 1px),linear-gradient(90deg,#34544918 1px,transparent 1px);background-size:80px 80px}.map-pin{position:absolute;background:var(--fg);color:var(--bg);padding:16px 23px;border:1px solid var(--accent);font-size:25px;box-shadow:0 5px 15px #0002}.map-pin:before{content:'◇';margin-right:10px}.map-pin.active{background:var(--accent);color:#fff2dc}
.street{--bg:#f0e3c8;--fg:#4a4634;--accent:#976142;--soft:#cdb790}.street-home{height:100%;display:flex;flex-direction:column}.street-head{display:flex;align-items:end;justify-content:space-between}.street-lane{display:flex;align-items:end;gap:26px;flex:1;padding:30px 0 45px;border-bottom:2px solid var(--accent)}.street-house{flex:1;text-align:left;height:var(--height);background:#dccba9;border-top:20px solid #526153;padding:25px;position:relative;display:flex;flex-direction:column;justify-content:space-between}.street-house:nth-child(even){background:#c9d0b4}.street-house h3{writing-mode:vertical-rl;font-size:43px;letter-spacing:10px}.street-house .sign{position:absolute;right:25px;top:35px;font-size:23px}.street-house:hover{background:#eee4ce}
.stele{--bg:#242e2d;--fg:#e6dcc0;--accent:#c4a879;--soft:#414b46;--paper:#36413b}.stele-home{display:flex;height:100%;gap:90px}.stele-home .intro{width:460px}.stele-forest{display:flex;gap:28px;flex:1;align-items:end}.stone{width:25%;height:var(--height);padding:17px;background:#465048;border-top:70px solid #596056;box-shadow:13px 10px 0 #1d2523;display:flex;flex-direction:column;gap:22px}.stone img{height:70%;width:100%;object-fit:contain;filter:grayscale(1)}.stone span{writing-mode:vertical-rl;font-size:28px;align-self:center;letter-spacing:5px}
.plaque{--bg:#e2dbc9;--fg:#343b34;--accent:#8a603f;--soft:#bebba8}.plaque-home{height:100%;display:flex;flex-direction:column;justify-content:space-between}.plaque-hero{height:340px;margin:28px 0;display:flex;align-items:center;justify-content:center;background:#4b5047;border:16px solid #767762;box-shadow:0 10px 30px #0002}.plaque-hero img{height:100%;width:85%;object-fit:contain}.plaque-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.plaque-tools button{background:transparent;border-top:1px solid var(--fg);padding:23px;text-align:left;font-size:31px}
.folio{--bg:#e8dfcc;--fg:#354c43;--accent:#8d5d3e}.book-home{display:grid;grid-template-columns:530px 1fr;gap:70px;height:100%;align-items:center}.openbook{height:620px;display:grid;grid-template-columns:1fr 1fr;background:#f8efd9;box-shadow:10px 18px 0 #c6b99c,0 22px 40px #0002;transform:rotate(-2deg)}.book-page{padding:32px;border-right:1px solid #ae9871;position:relative;overflow:hidden}.book-page img{width:100%;height:86%;object-fit:contain}.book-page p{font-size:24px;text-align:center}.book-page:nth-child(2){box-shadow:inset 25px 0 30px #6e543214}.book-page.turn{animation:pageTurn .5s ease}
.imprint{--bg:#ddd8c6;--fg:#333c35;--accent:#805c3c}.imprint-home{display:grid;grid-template-columns:1fr 550px;gap:90px;height:100%}.hanging-sheet{height:100%;padding:35px;background:#25342d;border-top:20px solid #736345;border-bottom:20px solid #736345;position:relative}.hanging-sheet img{width:100%;height:100%;object-fit:contain;filter:grayscale(1)}
.brush{--bg:#eee8da;--fg:#273e34;--accent:#9d4b32;--soft:#d4d6c5}.brush-home{height:100%;display:grid;grid-template-columns:1fr 570px;gap:90px}.big-character{font:520px/.9 'Kaiti SC';align-self:center;text-align:center;color:#253a30;position:relative}.big-character small{font:21px 'PingFang SC';display:block;letter-spacing:5px;margin-top:35px}.rub{--bg:#263c37;--fg:#e6d6b3;--accent:#c99c5f;--soft:#475449;--paper:#374e42}.rub-home{display:grid;grid-template-columns:500px 1fr;gap:100px;height:100%;align-items:center}.rub-sheet{height:650px;position:relative;transform:rotate(3deg);background:#f0e5ce;padding:38px;box-shadow:22px 20px 0 #162d25}.rub-sheet img{height:100%;width:100%;object-fit:contain;filter:grayscale(1)}.rub-sheet:after{content:'';position:absolute;inset:35px;background:#eadebfa0;clip-path:polygon(0 0,100% 0,100% 45%,0 80%)}
.lineage{--bg:#ece5d2;--fg:#3c5342;--accent:#987447}.lineage-home{height:100%;position:relative;display:grid;grid-template-columns:540px 1fr;gap:70px}.woven{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-content:center}.woven button{min-height:270px;padding:28px;background:var(--paper);border-top:5px solid var(--accent);display:flex;flex-direction:column;justify-content:space-between;text-align:left}.woven button:nth-child(2),.woven button:nth-child(3){background:#546047;color:#f1e5c9}.woven h3{font-size:40px}
.academy{--bg:#494934;--fg:#efe4c9;--accent:#d2b477;--soft:#686448;--paper:#5c5c42}.desk-home{height:100%;display:grid;grid-template-columns:1fr 420px;gap:70px}.desk-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;background:#373a2a;padding:28px;border:10px solid #89734c}.desk-seat{padding:30px;background:#e4d8b9;color:#454d35;text-align:left;display:flex;flex-direction:column;justify-content:space-between;min-height:270px}.desk-seat img{width:160px;height:100px;object-fit:cover}.desk-seat h3{font-size:37px}.desk-seat:nth-child(even){border-left:12px solid #ba9d63}
.debate{--bg:#e8e5d3;--fg:#385345;--accent:#986443;--soft:#c4ceb7}.debate-home{display:grid;grid-template-columns:1fr 600px 1fr;gap:50px;height:100%;align-items:center}.debate-side{height:560px;border-top:2px solid var(--accent);border-bottom:2px solid var(--accent);padding:38px;display:flex;flex-direction:column;justify-content:space-around;text-align:center}.debate-side strong{font-size:90px;font-weight:400;writing-mode:vertical-rl;align-self:center;letter-spacing:18px}.debate-center{text-align:center}.debate-center h1{font-size:76px}.debate-center p{margin:30px 0}
.people{--bg:#dce3d2;--fg:#354d40;--accent:#9d7040}.people-home{height:100%;display:flex;flex-direction:column}.portrait-rail{display:flex;gap:22px;margin-top:35px;flex:1}.portrait-card{flex:1;background:#efe8d4;border-bottom:6px solid var(--accent);padding:20px;text-align:center;display:flex;flex-direction:column;gap:25px}.portrait-card .portrait{height:350px;overflow:hidden}.portrait-card h3{writing-mode:vertical-rl;align-self:center;font-size:38px;letter-spacing:8px}.portrait-card .wordportrait{font-size:100px;background:#cbd3bd}
.market{--bg:#d9c5a0;--fg:#503c2b;--accent:#89502e;--paper:#eee0c0}.market-home{height:100%;display:grid;grid-template-columns:450px 1fr;gap:65px}.shopfronts{display:flex;gap:25px;align-items:center}.shop{width:25%;height:570px;background:#f1e2bf;border-top:26px solid #56553d;border-bottom:20px solid #56553d;padding:25px 20px;display:flex;flex-direction:column;align-items:center;justify-content:space-around}.shop strong{font:50px 'Kaiti SC';writing-mode:vertical-rl;letter-spacing:13px}.shop:nth-child(even){transform:translateY(55px);background:#b9c0a1}.shop small{writing-mode:vertical-rl;font-size:22px}
.tea{--bg:#dae0c7;--fg:#304d37;--accent:#95723e;--soft:#b7c3a4}.tea-home{height:100%;display:grid;grid-template-columns:500px 1fr;gap:60px}.tea-map{position:relative;overflow:hidden;border-bottom:4px solid var(--accent);background:#c5cbae}.tea-map>.photo{opacity:.45;filter:sepia(.4)}.tea-route{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-around;padding:70px}.tea-stop{writing-mode:vertical-rl;background:#344e3d;color:#eddfbc;font-size:34px;letter-spacing:10px;padding:25px 18px;border:1px solid #c7a866}.route-line{position:absolute;left:12%;right:12%;top:50%;height:3px;background:#9a7545;transform:rotate(-16deg);transform-origin:left;animation:drawLine 2s ease both}
.kiln{--bg:#d1dbd2;--fg:#34575a;--accent:#9b704a;--soft:#b7c8c3;--paper:#e9eee4}.kiln-home{display:grid;grid-template-columns:1fr 540px;gap:60px;height:100%}.kiln-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.kiln-tile{background:#e9e8d9;border-radius:48% 48% 0 0;padding:65px 25px 25px;display:flex;flex-direction:column;align-items:center;gap:20px}.kiln-tile img{height:180px;width:100%;object-fit:contain}.kiln-tile h3{font-size:34px}
.craft{--bg:#dfe6da;--fg:#355854;--accent:#a2794c;--soft:#c5d4c7;--paper:#f0f1e5}.craft-home{height:100%;display:grid;grid-template-columns:460px 1fr;gap:65px}.craft-wheel{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.craft-step{position:relative;padding:20px;background:#edf0e3;border:1px solid var(--line);text-align:left;display:grid;grid-template-columns:60px 1fr;gap:15px;align-items:center}.craft-step img{width:100%;height:125px;object-fit:contain;grid-column:1/3}.craft-step b{font:37px Georgia;color:var(--accent)}.craft-step span{font-size:31px}.craft-step:hover{background:#c4d6c4;transform:translateY(-4px)}
.vessel{--bg:#e4ece3;--fg:#315956;--accent:#a68857;--soft:#cadad0;--paper:#f4f3e7}.vessel-home{height:100%;display:grid;grid-template-columns:440px 1fr 300px;gap:50px;align-items:center}.vessel-display{height:650px;position:relative;background:#cedcd3;border-radius:50% 50% 0 0;padding:55px 30px}.vessel-display img{height:100%;width:100%;object-fit:contain;mix-blend-mode:multiply;animation:floatArt 6s ease-in-out infinite alternate}.vessel-display:after{content:'';position:absolute;bottom:15px;left:15%;right:15%;height:2px;background:var(--accent)}.vessel-menu{display:flex;flex-direction:column;gap:34px}.vessel-menu button{padding:20px 0;border-top:1px solid var(--line);background:transparent;text-align:left;font-size:29px}
.festival{--bg:#eee0c6;--fg:#544638;--accent:#a0442e;--soft:#d7b78a}.festival-home{height:100%;display:flex;flex-direction:column}.festival-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:1fr 1fr;gap:24px;margin-top:25px;flex:1}.festival-piece{position:relative;overflow:hidden;text-align:left;background:#c7b18a}.festival-piece:first-child{grid-row:1/3}.festival-piece:nth-child(4){grid-column:2/4}.festival-piece img{width:100%;height:100%;object-fit:cover;opacity:.75;transition:transform .5s}.festival-piece:hover img{transform:scale(1.05)}.festival-piece span{position:absolute;bottom:20px;left:20px;background:#f4e6cb;padding:13px 23px;font-size:36px}
.poem{--bg:#263f3e;--fg:#f0e2c2;--accent:#c6a875;--soft:#405451;--paper:#344e49}.poem-home{height:100%;display:grid;grid-template-columns:450px 1fr;gap:90px}.poem-scrolls{display:flex;gap:30px;justify-content:center;align-items:center}.poem-scroll{height:590px;width:200px;background:#e5d7b9;color:#364e42;border-top:13px solid #ab8c56;border-bottom:13px solid #ab8c56;writing-mode:vertical-rl;padding:30px 25px;font-size:47px;letter-spacing:15px;transition:transform .4s}.poem-scroll:nth-child(even){transform:translateY(45px)}.poem-scroll:hover{transform:translateY(-10px)}
.letter{--bg:#ebe2cf;--fg:#474b3b;--accent:#9e5f3b}.letter-home{height:100%;display:grid;grid-template-columns:550px 1fr;gap:90px;align-items:center}.envelopes{display:flex;gap:20px;align-items:center;height:100%}.envelope{width:25%;height:470px;padding:28px 18px;background:#f6ecd6;border:1px solid #baa781;border-top:45px solid #cdbb97;transform:rotate(var(--rot));box-shadow:10px 15px 15px #55452915;writing-mode:vertical-rl;font-size:38px;letter-spacing:8px}.envelope:hover{transform:rotate(0) translateY(-15px)}
.red{--bg:#382f2a;--fg:#f2e4ca;--accent:#c88157;--soft:#5c4b3e;--paper:#493a30}.red-home{height:100%;display:grid;grid-template-columns:500px 1fr;gap:65px}.archive-wall{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:1fr 1fr;gap:28px}.file-card{background:#e6d5b4;color:#4c382c;padding:17px 17px 25px;transform:rotate(var(--rot));text-align:left;position:relative}.file-card img{height:220px;width:100%;object-fit:cover;filter:sepia(.5)}.file-card h3{font-size:34px;margin-top:15px}.file-card:before{content:'';position:absolute;top:-7px;left:45%;width:70px;height:24px;background:#bca77dbb}.red-home h1{font-size:106px}.red .eyebrow{color:#ddad78}
.radio{--bg:#5a4634;--fg:#f0dfbd;--accent:#d3ab71;--soft:#756044;--paper:#6b543e}.radio-home{height:100%;display:grid;grid-template-columns:500px 1fr;gap:75px;align-items:center}.radio-console{height:620px;background:#332e27;border:22px solid #886b47;border-radius:28px;padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:35px;box-shadow:15px 18px 0 #3c3024}.radio-grill{border-radius:50%;background:repeating-linear-gradient(90deg,#514938 0 5px,#292b23 6px 10px);border:9px solid #ad8d5b;display:grid;place-items:center}.radio-grill span{font-size:95px;color:#c7ad7a}.radio-tuner{display:flex;flex-direction:column;justify-content:space-between}.dial{background:#cfc1a0;color:#3d4839;padding:25px;font:24px 'PingFang SC';border:5px solid #a88a58}.dial-line{height:65px;background:repeating-linear-gradient(90deg,transparent 0 13px,#605943 14px 16px);position:relative;margin-top:20px}.dial-line:after{content:'';width:4px;height:80px;position:absolute;left:45%;top:-6px;background:#984d31}.radio-buttons{display:flex;gap:12px}.radio-buttons button{font-size:25px;padding:19px 23px;background:#af9262;color:#2b392e}
/* Content states: subject-specific working surfaces. */
.workspace{height:100%;display:grid;grid-template-columns:330px 1fr;gap:30px}.rail{display:flex;flex-direction:column;gap:13px;overflow:auto;padding:4px 8px 4px 0}.rail button{background:transparent;padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;font-size:27px;min-height:75px}.rail button.active{background:var(--fg);color:var(--bg)}.workspace-main{min-width:0;height:100%;display:flex;flex-direction:column;gap:22px}.reading-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;flex:1;min-height:0}.read-art{position:relative;overflow:hidden;min-height:0;background:var(--soft);display:grid;place-items:center;padding:25px}.read-art img{max-width:100%;max-height:100%;object-fit:contain}.read-copy{padding:25px 30px;background:var(--paper);overflow:auto;min-height:0}.read-copy h2{font-size:45px;margin:12px 0 22px}.read-copy p{font-size:26px}.read-copy .meta{margin-top:20px}.stage-label{font:22px 'PingFang SC';letter-spacing:3px;color:var(--accent)}.timeline-control{display:flex;align-items:center;gap:20px}.timeline-control input{flex:1;accent-color:var(--accent)}.relation{display:flex;align-items:center;gap:28px;justify-content:center;height:260px}.relation-box{border:1px solid var(--accent);padding:25px 35px;background:var(--paper);max-width:320px;font-size:33px;animation:enter .4s both}.relation-arrow{font-size:38px;color:var(--accent)}.era-detail{background:var(--paper);padding:32px;flex:1}.era-detail .facts{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:24px}.era-detail .facts span{font-size:25px}
.map-work{height:100%;display:grid;grid-template-columns:1fr 440px;gap:28px}.map-work .map-stage{min-height:570px}.map-caption{position:absolute;bottom:15px;left:20px;right:20px;background:#f5ecd8dc;color:#34463b;font:20px 'PingFang SC';padding:14px}.map-menu{display:flex;flex-direction:column;gap:22px}.map-menu h2{font-size:45px}.map-menu p{font-size:26px}.map-menu .actions{margin-top:auto}.path-progress{display:flex;gap:10px;margin:20px 0}.path-progress i{height:5px;flex:1;background:var(--line)}.path-progress i.done{background:var(--accent)}.route-dot{position:absolute;border-radius:50%;width:24px;height:24px;background:#bb6836;box-shadow:0 0 0 12px #a9774a33;transition:left 1s,top 1s}.route-segment{position:absolute;height:3px;background:var(--accent);transform-origin:left center;opacity:.8}
.folio-reader{height:100%;display:grid;grid-template-columns:1fr 380px;gap:40px}.folio-reader .openbook{height:600px;transform:none}.folio-controls{display:flex;align-items:center;justify-content:space-between;margin-top:28px}.vertical-reader{display:grid;grid-template-columns:1fr 1fr 440px;gap:35px;height:100%}.vertical-reader .read-art{border-top:12px solid var(--accent);border-bottom:12px solid var(--accent)}.vertical-reader .read-copy{padding:30px}.plaque-reader{display:flex;flex-direction:column;height:100%;gap:30px}.plaque-reader .read-art{height:330px}.plaque-reader .reading-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.reading-notes section{border-top:1px solid var(--line);padding-top:20px}.reading-notes h3{margin-bottom:18px}
.focus-layout{height:100%;display:grid;grid-template-columns:1fr 430px;gap:30px}.focus-art{position:relative;overflow:hidden;touch-action:none;background:var(--soft);border:1px solid var(--line)}.focus-art img{width:100%;height:100%;object-fit:contain;transform-origin:center;user-select:none;pointer-events:none}.focus-controls{display:flex;flex-direction:column;gap:20px}.focus-controls h2{font-size:44px}.focus-controls input{width:100%;accent-color:var(--accent);min-height:44px}.detail-mark{position:absolute;left:45%;top:40%;width:65px;height:65px;border:2px solid var(--accent);border-radius:50%;background:var(--paper);font-size:27px}.lensnote{padding:25px;background:var(--paper);font-size:25px;line-height:1.7}.record{position:absolute;inset:0;background:#173b32aa;display:grid;place-items:center;z-index:40}.record-inner{width:1250px;max-height:820px;background:#f0e6d0;color:#36483b;border:1px solid #a38960;padding:38px;display:flex;flex-direction:column;gap:20px;box-shadow:0 25px 90px #0005}.record-head{display:flex;justify-content:space-between;gap:30px;align-items:center}.record-body{overflow:auto;max-height:580px;white-space:pre-wrap;font-size:26px;line-height:1.75}.record .btn{background:#354d3d;color:#f4e8cf}.record .meta{color:#795d3e}
.draw-layout{height:100%;display:grid;grid-template-columns:300px 1fr 290px;gap:30px}.draw-tools{display:flex;flex-direction:column;gap:23px}.draw-tools h2{font-size:40px}.draw-tools label{font-size:24px}.draw-tools input{width:100%;min-height:44px;accent-color:var(--accent)}.draw-board{position:relative;background:#f3ecd9;overflow:hidden;touch-action:none;color:#294032}.draw-board canvas{width:100%;height:100%;position:absolute;inset:0;touch-action:none}.draw-board .glyph{position:absolute;inset:0;display:grid;place-items:center;font:500px 'Kaiti SC';color:#364e3929;pointer-events:none}.grid-guide{position:absolute;inset:40px;border:1px solid #bba879;background:linear-gradient(90deg,transparent 49.8%,#a98c5c77 50%,transparent 50.2%),linear-gradient(transparent 49.8%,#a98c5c77 50%,transparent 50.2%);pointer-events:none}.draw-result{height:100%;display:grid;grid-template-columns:1fr 1fr 400px;gap:32px}.draw-result .paper{display:flex;flex-direction:column;align-items:center;justify-content:space-between}.draw-result img{height:540px;max-width:100%;object-fit:contain}.draw-result .glyph{font:400px 'Kaiti SC'}.rub-progress{height:12px;background:#bbad8b55}.rub-progress span{display:block;height:100%;background:var(--accent);transition:width .3s}.result-empty{display:grid;place-items:center;height:80%;font-size:35px;color:#6b715d}
.quiz-layout{height:100%;display:grid;grid-template-columns:370px 1fr;gap:65px}.quiz-stem h2{font-size:48px;max-width:1120px;margin-bottom:40px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:30px}.quiz-choice{min-height:260px;background:var(--paper);border:1px solid var(--line);padding:35px;text-align:left;font-size:31px;line-height:1.8}.quiz-choice b{font:62px Georgia;display:block;margin-bottom:18px;color:var(--accent)}.quiz-choice.active{background:var(--fg);color:var(--bg)}.quiz-feedback{min-height:120px;font-size:26px;line-height:1.8;padding:24px 0}.quiz-index{font:130px Georgia;color:var(--accent);margin:30px 0}.result-bars{display:flex;gap:35px;align-items:end;height:330px;margin:30px 0}.result-bar{width:180px;background:var(--fg);color:var(--bg);padding:22px;text-align:center;font-size:35px;min-height:85px;transition:height 1s}.result-bar:nth-child(2){background:var(--accent)}
.seat-work{display:grid;grid-template-columns:1fr 1fr;gap:25px;height:100%}.seat-panel{background:var(--paper);border:1px solid var(--line);padding:25px;display:grid;grid-template-columns:170px 1fr;gap:25px;min-height:0}.seat-panel img{height:165px;width:170px;object-fit:cover}.seat-panel h3{font-size:30px}.seat-panel p{font-size:24px;line-height:1.7}.seat-panel .chips{grid-column:1/3}.seat-panel .chip{font-size:21px;padding:12px}.seat-panel .seat-copy{overflow:auto}.seat-panel .meta{font-size:19px}
.fly-work{height:100%;display:grid;grid-template-columns:1fr 650px;gap:40px}.fly-card{background:var(--paper);padding:32px;display:grid;grid-template-columns:230px 1fr;gap:28px;touch-action:none}.fly-card .portrait{height:340px}.fly-card h2{font-size:60px}.fly-card .card-body{grid-column:1/3;min-height:170px}.screen-preview{height:370px;background:#17382f;color:#f2e0b8;border:14px solid #34433b;display:grid;place-items:center;text-align:center;padding:35px;position:relative;overflow:hidden}.screen-preview h2{font-size:54px}.screen-preview p{font-size:24px}.screen-preview.received{animation:receive .6s both}.send-queue{display:flex;flex-direction:column;gap:22px}.sent-label{font:24px 'PingFang SC';color:var(--accent)}.broadcast{position:absolute;inset:0;display:grid;place-items:center;padding:170px;text-align:center;background:var(--bg);z-index:30}.broadcast h1{font-size:130px}.broadcast p{max-width:1100px;font-size:38px;line-height:2;margin:35px auto}.broadcast .btn{position:absolute;bottom:55px;right:65px}
.craft-work{display:grid;grid-template-columns:300px 1fr 470px;gap:32px;height:100%}.craft-scene{background:var(--soft);position:relative;overflow:hidden;padding:40px;display:flex;flex-direction:column;align-items:center;justify-content:center}.craft-scene img{height:430px;width:100%;object-fit:contain;transform:translateY(calc(var(--progress,0) * -20px));transition:transform .2s}.craft-scene.running img{animation:craftMove 4s ease-in-out infinite}.craft-scene .chapter-num{position:absolute;left:30px;top:15px;font:90px Georgia;color:#486d5966}.craft-work .rail button{min-height:50px;padding:13px 20px;font-size:24px}.play-progress{width:100%;accent-color:var(--accent);height:44px}.craft-info h2{font-size:64px;margin:15px 0}.craft-info p{margin-bottom:25px}.motion-line{height:4px;background:var(--accent);width:calc(var(--progress,0)*100%);align-self:start;transition:width .2s}.film-caption{font-size:25px;line-height:1.6;min-height:90px;margin-top:25px}.poem-reader{height:100%;display:grid;grid-template-columns:300px 1fr 440px;gap:40px}.verse-panel{background:var(--paper);padding:40px;display:flex;align-items:center;justify-content:center}.verse-text{font-size:46px;line-height:2.1;max-height:620px;overflow:auto;letter-spacing:4px}.poem-reader .paper p{font-size:26px}.radio-work{display:grid;grid-template-columns:1fr 540px;gap:50px;height:100%}.radio-stage{background:#2b3027;border:18px solid #9d8054;padding:35px;display:flex;flex-direction:column;gap:25px}.radio-stage .photo{height:330px;object-fit:contain}.signal{display:flex;gap:12px;align-items:center;justify-content:center;height:90px}.signal i{height:15px;width:12px;background:#c4a878}.signal.active i{animation:signal 1s ease-in-out infinite alternate;animation-delay:calc(var(--i)*-.08s)}.sensor-status{font:28px 'PingFang SC';padding:20px 0}.red .read-art{border:12px solid #a7906c}.red .read-copy{border-top:8px solid #99503b}.market .read-copy{background:repeating-linear-gradient(transparent 0 47px,#a58a5833 48px 49px),var(--paper)}
@keyframes enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes pageTurn{from{opacity:.3;transform:rotateY(-30deg)}to{opacity:1;transform:none}}@keyframes floatArt{to{transform:translateY(-15px)}}@keyframes breathe{to{transform:scale(1.035)}}@keyframes drawLine{from{scale:0 1}to{scale:1 1}}@keyframes receive{from{opacity:.3;transform:translateY(35px) scale(.94)}to{opacity:1;transform:none}}@keyframes craftMove{50%{transform:translateY(-12px) scale(1.03)}}@keyframes signal{to{height:70px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
/* Bounded working surfaces keep all actions above the persistent footer. */
.imprint-home{grid-template-rows:minmax(0,1fr)}.hanging-sheet{min-height:0;overflow:hidden}.festival-grid{min-height:0;grid-template-rows:minmax(0,1fr) minmax(0,1fr)}.festival-piece{min-height:0;padding:0}.street .map-menu{gap:15px}.street .map-menu p{font-size:24px;line-height:1.6}.street .map-menu .chip{font-size:20px;padding:10px 15px}.street .map-menu .actions{margin-top:0}.street .map-menu .path-progress{margin:5px 0}.broadcast h1{font-size:98px;writing-mode:horizontal-tb!important;letter-spacing:8px}.broadcast{padding:70px}.broadcast p{font-size:34px}.rub h1{font-size:72px}.read-copy .actions{margin-top:20px}
.terrain .layer-tabs{bottom:80px}.source-tag{pointer-events:none}
.history-record{display:grid;grid-template-columns:220px 1fr 480px;gap:40px;height:100%}.era-spine{display:flex;flex-direction:column;gap:22px;border-right:1px solid var(--line);padding-right:30px}.era-spine .vtitle{font-size:62px;max-height:490px;margin:auto}.history-document{padding:35px;background:var(--paper);border-top:7px solid var(--accent)}.history-document h2{font-size:44px;margin-bottom:22px}.history-document p{font-size:26px}.document-quote{border-top:1px solid var(--line);padding-top:20px;margin-top:28px}.document-quote p{font-size:25px;margin-top:15px;line-height:1.75}.history-evidence{padding:25px;background:var(--soft);display:flex;flex-direction:column;justify-content:center;gap:35px}.history-evidence img{max-height:500px;width:100%;object-fit:contain}.earth-dig{height:100%;display:flex;flex-direction:column;gap:25px}.dig-header{display:flex;justify-content:space-between;align-items:center}.dig-body{display:grid;grid-template-columns:1fr 540px;gap:40px;flex:1;min-height:0}.dig-art{position:relative;background:#b7a183;overflow:hidden;display:grid;place-items:center;border:24px solid #c5ae8a}.dig-art img{width:85%;height:85%;object-fit:contain}.dig-label{position:absolute;bottom:15px;left:20px;font-size:24px;background:#ead9b9;padding:14px}.dig-notes{display:flex;flex-direction:column;gap:20px;justify-content:center}.dig-notes .number{font-size:65px}.dig-notes p{font-size:26px}.ledger-layout{height:100%;display:grid;grid-template-columns:330px 1fr;gap:55px}.ledger-sign{display:flex;flex-direction:column;gap:35px;align-items:center;background:#4f513c;color:#ead8ad;padding:30px}.ledger-sign .vtitle{font-size:63px;letter-spacing:17px;max-height:460px}.ledger-sign p{font-size:24px;text-align:center;margin-top:auto}.ledger-book{background:#f2e5c5;border:2px solid #aa8b58;padding:32px;display:flex;flex-direction:column;gap:20px;box-shadow:12px 12px 0 #aa936c}.ledger-title{display:flex;justify-content:space-between;align-items:center;border-bottom:3px double #a28b60;padding-bottom:18px}.ledger-row{display:grid;grid-template-columns:90px 1fr 220px;align-items:center;background:transparent;border-bottom:1px solid #b5a27c;padding:24px 10px;text-align:left}.ledger-row span{font:37px Georgia;color:#a08559}.ledger-row strong{font-size:32px;font-weight:400}.ledger-row.selected{background:#ded7b6}.ledger-story{display:grid;grid-template-columns:42% 1fr;gap:30px;min-height:0;flex:1}.ledger-story img{height:100%;max-height:415px;object-fit:contain}.ledger-story p{font-size:26px;margin-top:20px}.thread-layout{height:100%;display:flex;flex-direction:column;gap:30px}.thread-heading{display:flex;align-items:center;justify-content:space-between;gap:35px}.thread-heading .eyebrow{max-width:360px;line-height:1.8}.thread-heading h2{font-size:49px}.thread-body{display:grid;grid-template-columns:45% 1fr;gap:60px;flex:1;min-height:0}.thread-visual{position:relative;overflow:hidden;background:#c8ceb8;padding:30px}.thread-visual img{height:100%;object-fit:contain}.thread-narrative{display:flex;flex-direction:column;justify-content:center;gap:28px}.thread-narrative h3{font-size:38px}.thread-steps{display:flex;align-items:center;gap:20px;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:26px}.thread-steps i{font-style:normal;color:var(--accent)}.festival-story{height:100%;display:grid;grid-template-columns:53% 1fr;gap:50px}.festival-photo{position:relative;overflow:hidden;border-bottom:18px solid var(--accent)}.festival-photo>div{position:absolute;bottom:30px;left:30px;right:30px;background:#f0dfbedf;padding:25px}.festival-story aside{display:flex;flex-direction:column;gap:20px}.festival-story aside .rule{margin:3px 0}.festival-story aside h2{font-size:41px}.festival-story aside p{font-size:26px}.festival-index{display:flex;gap:15px;margin-top:auto}.festival-index button{background:transparent;border-top:1px solid var(--line);padding:12px 0;width:25%}.festival-index button>div{height:95px;margin-bottom:10px}.festival-index small{font-size:19px}.red-dossier{height:100%;display:grid;grid-template-columns:350px 1fr;gap:50px}.red-index{display:flex;flex-direction:column;gap:20px}.red-index h2{font-size:45px}.red-index .number{margin-top:auto}.dossier-paper{display:grid;grid-template-columns:42% 1fr;gap:32px;background:#e9d9b7;color:#44392d;padding:35px;transform:rotate(-.6deg);box-shadow:10px 15px 0 #1d2822}.dossier-photo{background:#c4b396;padding:20px;display:grid;place-items:center}.dossier-photo img{max-height:580px}.dossier-text{display:flex;flex-direction:column;justify-content:center;gap:20px}.dossier-text h2{font-size:48px}.dossier-text .rule{margin:0}.dossier-text p{font-size:26px}.dossier-paper .btn{background:#624431;color:#f2e3c4;border-color:#8b7453}.dossier-paper .btn.ghost{background:transparent;color:#624431}.dossier-paper .eyebrow{color:#945c3c}.dossier-paper .actions{margin-top:10px}
.dig-notes{gap:12px;min-height:0}.dig-notes .number{font-size:55px}.dig-notes p{font-size:25px;line-height:1.65}.dig-notes .rule{margin:8px 0}.dig-notes .actions{margin-top:10px}.dig-art img{position:absolute;inset:5%;width:90%;height:90%}.festival-story aside{gap:15px}.festival-story aside p{font-size:25px;line-height:1.7}.festival-story aside .actions{margin-top:10px}
.stage{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}