:root{--red:#8c241d;--deep:#391a16;--paper:#faf4e8;--ink:#332720;--gold:#b68a48}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:#eadfc9;overflow:hidden}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid #c7b89d;border-radius:5px;background:#fffaf0;color:var(--ink);padding:10px 17px;font-size:15px;transition:.15s}button:hover{background:#efe0c7;transform:translateY(-1px)}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible{outline:3px solid #bd4931;outline-offset:3px}.primary{background:var(--red);border-color:var(--red);color:white;padding:13px 22px}.primary:hover{background:#6e1b16}.light{background:transparent}.danger{color:#ac251c}.active{background:var(--red)!important;color:#fff!important;border-color:var(--red)!important}[hidden]{display:none!important}#scene{position:fixed;inset:0}canvas{display:block}header{position:fixed;z-index:4;left:24px;right:24px;top:20px;display:flex;align-items:center;gap:14px;background:#fbf6eadf;backdrop-filter:blur(14px);padding:14px 20px;border-bottom:2px solid #b18b49;box-shadow:0 8px 40px #42280f12}.brand{text-decoration:none;color:var(--red);min-width:183px}.brand b{display:block;font-family:STXingkai,"华文行楷",serif;font-size:31px;letter-spacing:3px}.brand span{font-size:10px;letter-spacing:3px;color:#6f5944}nav{display:flex;gap:6px;flex:1;justify-content:center}nav button{border-color:transparent;background:transparent;padding:9px 13px}#connection{position:fixed;top:111px;right:33px;color:#5c4d39;font-size:12px;background:#fff9e9d9;padding:6px 11px;border-radius:3px}#intro{position:fixed;left:60px;top:30%;width:310px;background:#faf3e5ed;padding:30px;border-left:4px solid var(--red);box-shadow:0 10px 40px #35220a15}h1{font-size:47px;line-height:1.25;margin:14px 0 20px;font-family:STXingkai,"华文行楷",serif;color:var(--red);font-weight:400}h2{font-size:27px;margin:6px 0 18px;line-height:1.35;color:var(--red)}p{font-size:15px;line-height:1.75}.eyebrow{font-size:11px;letter-spacing:3px;color:#92724e;margin:0 0 8px}#controls{position:fixed;bottom:22px;left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;gap:15px;background:#fbf6eadf;padding:12px 18px;border-top:1px solid #bda57a;backdrop-filter:blur(12px)}#controls>div{display:flex;align-items:center;gap:10px}#stopLabel{min-width:115px;text-align:center;font-size:14px}.help{font-size:12px;color:#796651}section{position:fixed;z-index:5;right:24px;top:115px;bottom:105px;width:430px;overflow:auto;background:var(--paper);padding:25px;box-shadow:0 12px 50px #34241544;border-top:3px solid var(--red)}.panelHeading{display:flex;justify-content:space-between;gap:12px}.close{border:none;background:transparent;font-size:28px;line-height:1;padding:0 8px;align-self:flex-start;color:#785e48}.buttonRow{display:flex;gap:8px;flex-wrap:wrap}label{display:block;font-size:14px;margin:15px 0 12px}input,textarea,select{display:block;width:100%;margin-top:7px;border:1px solid #c9b99d;border-radius:4px;padding:11px;background:#fffefa;color:#35281c}textarea{resize:vertical}.hint{font-size:12px;color:#8a7255}#uploadPreview{width:100%;max-height:220px;object-fit:contain;background:white}#uploadForm .primary{width:100%}.joinCard{display:flex;gap:24px;align-items:center;border-top:1px solid #d9c7a4;border-bottom:1px solid #d9c7a4;padding:15px 0}#qrcode{background:white;padding:8px}#qrcode :is(img,canvas){width:128px;height:128px}#roomCode{font-size:31px;letter-spacing:3px;color:var(--red)}dialog{border:1px solid #c5ae89;border-radius:8px;box-shadow:0 25px 100px #0006;background:var(--paper);color:var(--ink);padding:32px;max-width:calc(100vw - 24px);max-height:90vh;overflow:auto}dialog::backdrop{background:#22170fb0;backdrop-filter:blur(5px)}dialog>.close{position:absolute;right:16px;top:14px}#joinDialog{width:430px}#joinDialog .primary{width:100%}.workDetail{display:grid;grid-template-columns:minmax(200px,440px) minmax(260px,390px);gap:30px;margin-top:14px}#detailImage{width:100%;height:470px;object-fit:contain;background:#fffdf6;border:12px solid #b48a50;box-shadow:0 4px 15px #351e1822}#detailTitle{padding-right:22px}#detailGroup{margin-top:8px}#detailScore{color:#795f39;padding:10px 0;border-top:1px solid #d9c7a4}fieldset{border:0;padding:0;margin:12px 0}legend{font-size:13px;line-height:1.5}.stars{display:flex;gap:8px;margin-top:7px}.stars label{margin:0;position:relative}.stars input{position:absolute;opacity:0;width:1px;height:1px}.stars span{display:block;border:1px solid #b89c6b;background:#fffdf8;padding:7px 14px;border-radius:3px;cursor:pointer}.stars input:checked+span{background:var(--red);color:white}.stars input:focus-visible+span{outline:3px solid #d29a52}#voteMessage{color:var(--red)}#comments{font-size:13px;border-top:1px solid #d6c4a6;margin-top:16px}.comment{padding:8px 0;border-bottom:1px dashed #dfd2bb}.comment span{display:block;font-size:11px;color:#9b8668}.workItem{display:flex;gap:15px;background:#fffaf0;border:1px solid #dccbb0;padding:12px;margin:10px 0;width:100%;text-align:left}.workItem :is(img,canvas){width:85px;height:75px;object-fit:cover}.workItem strong{font-size:16px;display:block;margin-bottom:6px}.workItem small{color:#80684d;line-height:1.6;display:block}.empty{padding:30px 12px;text-align:center;color:#8a7255}#toast{position:fixed;z-index:30;bottom:112px;left:50%;transform:translateX(-50%);background:#432920;color:white;max-width:85vw;padding:15px 25px;border-radius:4px;box-shadow:0 5px 30px #0003}.teacherWork{border-bottom:1px solid #d9c7a4;padding:13px 0;display:flex;justify-content:space-between;align-items:center;font-size:13px}.teacherWork button{padding:5px 9px;font-size:12px}#weaveDialog{width:900px}#weaveScene{height:380px;width:100%;background:#ece0c7}.weaveTools{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.weaveTools label{flex:1;min-width:140px}.weaveTools input{padding:0}#weaveCaption{margin-bottom:0}#gridDialog{width:1100px}#gridContent{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}#gridContent button{text-align:left;padding:0;overflow:hidden}#gridContent :is(img,canvas){width:100%;height:180px;object-fit:contain;background:#eee1c9}#gridContent strong,#gridContent p{display:block;margin:13px}.capture header,.capture #connection,.capture #intro,.capture #controls,.capture section{display:none!important}.webgl-fallback{position:fixed;inset:130px 40px 120px;background:var(--paper);padding:35px;text-align:center;z-index:2}.webgl-fallback h2{margin-top:60px}@media(max-width:1000px){header{left:12px;right:12px;padding:10px;flex-wrap:wrap;gap:8px}.brand{min-width:145px}.brand b{font-size:25px}nav{order:3;flex-basis:100%}nav button{font-size:13px;padding:7px 9px}#connection{top:145px;right:15px}#intro{left:24px;top:27%;width:260px;padding:24px}h1{font-size:39px}#controls{left:12px;right:12px;bottom:12px;padding:9px;flex-wrap:wrap;justify-content:center}.help{display:none}#controls button{font-size:12px;padding:8px}section{right:12px;top:153px;bottom:120px;width:min(430px,calc(100vw - 24px))}.workDetail{grid-template-columns:1fr}#detailImage{height:270px}#workDialog{width:500px}#gridContent{grid-template-columns:repeat(2,1fr)}}@media(max-width:500px){header>.light{font-size:12px;padding:6px 9px}#intro{top:27%;width:220px;padding:20px}h1{font-size:36px}#intro p{font-size:13px}#controls>div{gap:5px}#stopLabel{min-width:90px}#controls{gap:7px}#gridContent{grid-template-columns:1fr}dialog{padding:24px}#weaveScene{height:270px}#weaveDialog h2{font-size:23px}.weaveTools{gap:8px}}
:root{color-scheme:light}
#taskLobby{position:fixed;z-index:3;inset:115px 24px 20px;overflow:auto;padding:28px 50px;background:linear-gradient(120deg,#f9f1e4f5,#f7eddbe8);backdrop-filter:blur(12px);border:1px solid #d3bb90}
.lobbyIntro{text-align:center}.lobbyIntro h1{font-size:50px;margin:8px 0 12px}.lobbyIntro>p:last-child{color:#725b41;margin-bottom:24px}.taskCards{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:1080px;margin:0 auto}.taskCards>button{text-align:left;padding:0 0 22px;border:1px solid #bda078;background:#fffaf0;box-shadow:0 8px 26px #6e47101a;overflow:hidden;transition:.2s}.taskCards>button:hover{transform:translateY(-5px);box-shadow:0 12px 30px #6e47102b}.taskCards :is(img,canvas){width:100%;height:175px;object-fit:cover}.taskCards>button:nth-child(2) :is(img,canvas),.taskCards>button:nth-child(3) :is(img,canvas){object-fit:contain;background:#f2e6d1}.taskCards .taskNo{display:block;font-size:12px;letter-spacing:4px;color:#9c7b4d;margin:18px 24px 6px}.taskCards h2{font-size:28px;margin:0 24px 10px}.taskCards p{margin:0 24px 18px;font-size:14px;color:#765e43;line-height:1.7}.taskCards strong{display:block;margin:0 24px;color:#942e24;font-size:14px}.lobbyFoot{text-align:center;letter-spacing:2px;color:#9b8060;font-size:12px;margin:22px 0 0}.weaveLegend{display:flex;gap:20px;font-size:12px;color:#745b3e;margin:12px 0}.processBar{display:flex;gap:8px;margin:15px 0 8px;flex-wrap:wrap}.processBar button{padding:9px 14px}.processBar button:not(:disabled):nth-child(-n+3){background:#8c241d;color:white}.processBar button:disabled{cursor:not-allowed}#processHint{margin:5px 0 12px;padding:8px 12px;background:#ede0c8;border-left:3px solid #ab7738;font-size:14px}#weaveScene{touch-action:none}.capture #taskLobby{display:none!important}
@media(max-width:1000px){#taskLobby{inset:153px 12px 14px;padding:25px}.taskCards{gap:12px}.taskCards :is(img,canvas){height:145px}.taskCards h2{font-size:23px;margin-left:16px}.taskCards .taskNo,.taskCards p,.taskCards strong{margin-left:16px;margin-right:16px}.lobbyIntro h1{font-size:38px}.taskCards p{font-size:12px}}
@media(max-width:600px){#taskLobby{padding:22px 14px}.taskCards{grid-template-columns:1fr}.taskCards>button{display:grid;grid-template-columns:95px 1fr;padding:0 0 12px;gap:0 10px}.taskCards :is(img,canvas){grid-row:1/5;height:100%;min-height:155px;width:95px}.taskCards .taskNo{margin-top:14px}.taskCards p{margin-bottom:8px}.taskCards h2{font-size:24px}.lobbyIntro h1{font-size:31px}.lobbyIntro p{font-size:12px}.lobbyFoot{font-size:10px}.weaveLegend{font-size:10px;gap:10px}.processBar button{padding:7px 10px;font-size:12px}}

/* 多演示与自由行走 */
[hidden]{display:none!important}.modeTabs{display:flex;gap:10px;margin:10px 0;flex-wrap:wrap}.modeTabs .active{background:#84251c;color:#fff}#densityControl{display:flex;align-items:center;gap:12px;flex-wrap:wrap}#walkPad{position:fixed;bottom:115px;left:24px;z-index:6;display:grid;grid-template-columns:44px 70px 44px;grid-template-rows:42px 42px 42px;gap:5px;align-items:center;text-align:center;background:#fff8e5d9;padding:10px;border-radius:16px;user-select:none}#walkPad button{touch-action:none;padding:5px;font-size:24px}#walkPad span{font-size:12px}#walkPad [data-walk=forward]{grid-column:2}#walkPad [data-walk=left]{grid-column:1;grid-row:2}#walkPad span{grid-column:2;grid-row:2}#walkPad [data-walk=right]{grid-column:3;grid-row:2}#walkPad [data-walk=back]{grid-column:2;grid-row:3}#roomActions{position:fixed;right:24px;top:112px;z-index:7;display:flex;gap:10px}.capture #walkPad,.capture #roomActions{display:none!important}#intro{pointer-events:none}#intro button{pointer-events:auto}#weaveScene{height:330px}#weaveDialog{max-height:94vh;overflow:auto}@media(max-width:700px){#roomActions{top:160px;right:14px}#walkPad{left:12px;bottom:150px;transform:scale(.8);transform-origin:bottom left}#weaveScene{height:260px}.modeTabs{gap:5px}#controls .help{display:none}}

/* 点击展位直达对应技法；欣赏图仅放大展示 */
#artDialog{width:min(1120px,94vw);max-width:94vw;max-height:96vh;padding:40px 24px 18px;background:#f8f1e4}#artDialog figure{margin:0;text-align:center}#artImage{display:block;width:100%;height:72vh;object-fit:contain}#artDialog figcaption{padding-top:12px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 16px}#artCredit{font-size:13px;color:#77634d}#artSource{font-size:13px;color:#84251c}#artDialog .close{z-index:1}#densityControl{margin-top:14px}#weaveDialog h2{margin-bottom:16px}@media(max-width:700px){#artDialog{padding:40px 12px 14px}#artImage{height:60vh}#artDialog figcaption{display:block}#artCredit{display:block;margin:8px 0}}

#assetManifest{display:none!important}#detailImage,#uploadPreview{object-fit:contain;max-width:100%;height:auto}#artImage{object-fit:contain;max-width:100%}#qrcode svg{display:block}#teacherPanel,#classPanel,#reviewPanel{z-index:8}