:root{--paper:#f6f4ec;--surface:#fffdf7;--ink:#253e38;--muted:#59685e;--line:#d7dbcd;--sage:#e2e9dc;--green:#395d4b;--clay:#984a36;--clay-soft:#f1e0d3;--yellow:#e1bb6a;--font:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 var(--font);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--clay);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.45;font-weight:600}h1{font-size:42px}h2{font-size:23px}h3{font-size:17px}[hidden]{display:none!important}.skip{position:fixed;top:-60px;left:20px;padding:10px;background:white;z-index:9}.skip:focus{top:10px}header{max-width:1400px;margin:auto;min-height:94px;padding:20px 52px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:23px;font-weight:600;white-space:nowrap}.brand-symbol{width:44px;height:44px;background:var(--ink);color:var(--paper);display:grid;place-items:center;border-radius:50%;font-size:28px}.brand small{display:block;font-size:8px;letter-spacing:1px;font-weight:400}.header-right{display:flex;align-items:center;gap:28px;font-size:12px}.header-right a{text-decoration:none}.model{font-size:11px;border:1px solid var(--line);border-radius:30px;padding:7px 13px;white-space:nowrap}.model i{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:7px}main{max-width:1300px;padding:0 30px 35px;margin:auto;min-height:calc(100vh - 185px)}.intro{padding:46px 0 32px;display:flex;justify-content:space-between;gap:40px;align-items:end}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:var(--clay);margin-bottom:13px;display:block}.intro h1{margin-bottom:13px}.lead{font-size:14px;color:var(--muted);max-width:640px}.intro-note{font-size:12px;color:var(--muted);max-width:240px;border-left:1px solid var(--line);padding:4px 0 4px 20px}.steps{display:grid;grid-template-columns:repeat(5,1fr);margin:0 0 30px;border:1px solid var(--line);border-radius:7px;overflow:hidden}.step{background:transparent;border:0;border-right:1px solid var(--line);padding:15px 10px;font-size:13px;display:flex;gap:12px;align-items:center;justify-content:center;cursor:pointer}.step:last-child{border:0}.step.active{background:var(--ink);color:white}.step:disabled{opacity:.6;cursor:default}.step span{font-size:10px;opacity:.7}.workspace{display:grid;grid-template-columns:260px 1fr;gap:28px}.side-card{background:var(--sage);border-radius:8px;padding:25px;align-self:start}.side-card h2{font-size:20px;margin-bottom:10px}.side-card p{font-size:12px;color:var(--muted);margin:12px 0}.side-card img{width:100%;display:block;margin:16px 0;border-radius:50% 50% 5px 5px}.side-card .rule{border-top:1px solid #bcc8b5;padding-top:14px}.small-label{font-size:10px;letter-spacing:1px;color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:30px;min-width:0}.panel-header{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:25px}.panel-header h2{font-size:22px}.text-button{background:none;border:0;padding:10px 0;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:5px}.role-tabs{display:flex;gap:8px}.role-tab{border:1px solid var(--line);border-radius:5px;background:none;padding:8px 15px;min-height:44px;font-size:13px}.role-tab.active{background:var(--sage);border-color:var(--green)}.role-tab.b.active{background:var(--clay-soft);border-color:var(--clay)}.tag{display:inline-block;padding:3px 9px;border-radius:4px;background:var(--sage);font-size:11px}.tag.b{background:var(--clay-soft)}.field{display:block;margin-bottom:17px}.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:7px}.field small{display:block;color:var(--muted);font-size:11px;margin-top:5px}textarea,input[type=text]{width:100%;border:1px solid var(--line);background:#fffefa;border-radius:5px;padding:13px;line-height:1.8;font-size:14px;resize:vertical}textarea{min-height:120px}textarea.story-input{min-height:230px}textarea:focus,input:focus{border-color:var(--green)}textarea:disabled{opacity:.7}.hint{color:var(--muted);font-size:12px;line-height:1.9}.privacy{margin:17px 0;border-top:1px solid var(--line);padding-top:15px;display:flex;gap:10px;align-items:flex-start;font-size:12px}.privacy input{margin-top:6px;accent-color:var(--green);width:16px;height:16px;flex-shrink:0}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;gap:18px;align-items:center;justify-content:center;min-height:47px;border-radius:5px;border:1px solid transparent;padding:10px 22px;font-weight:600;font-size:13px;text-decoration:none}.primary{background:var(--ink);color:var(--surface)}.primary:hover{background:var(--green)}.secondary{background:transparent;border-color:var(--line)}.secondary:hover{background:var(--sage)}.notice{margin:18px 0;padding:14px 17px;border-radius:5px;background:var(--sage);font-size:12px}.notice.warning{background:var(--clay-soft);color:#713d2d}.error{padding:15px 18px;margin:16px 0;color:#773e2d;background:var(--clay-soft);border:1px solid #cb9b86;border-radius:6px}.error p{font-size:13px}.busy{padding:18px 20px;background:var(--sage);border-radius:5px;display:flex;align-items:center;gap:16px;margin-bottom:20px}.spinner{width:24px;height:24px;border:2px solid #bac8b4;border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite;flex-shrink:0}.busy strong{font-size:13px}.busy p{font-size:11px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}.event-editor{border-top:1px solid var(--line);padding:19px 0}.event-top{display:flex;align-items:center;gap:14px;margin-bottom:12px}.event-top input{max-width:220px;font-size:12px;padding:7px 10px}.event-editor textarea{min-height:75px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.event-editor .field{margin-bottom:10px}.event-editor .field>span{font-size:11px}.event-editor input{padding:9px 11px;font-size:12px}.questions{padding:15px 20px;border:1px dashed var(--line);border-radius:6px;font-size:12px;margin:12px 0}.questions ul{padding-left:20px}.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}.status-card{padding:24px;border:1px solid var(--line);border-radius:7px}.status-card p{margin-top:12px;font-size:13px;color:var(--muted)}.status-card .btn{margin-top:18px}.story-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.story-head p{max-width:750px;font-size:14px;color:var(--muted);margin-top:9px}.timeline{display:grid;gap:20px}.scene-card{border:1px solid var(--line);background:var(--surface);border-radius:8px;overflow:hidden;display:grid;grid-template-columns:270px 1fr}.scene-card canvas{width:100%;height:auto;display:block}.scene-art-wrap{background:var(--sage);display:flex;flex-direction:column;justify-content:center}.scene-art-wrap small{font-size:10px;text-align:center;padding:9px;color:var(--muted)}.scene-copy{padding:23px}.scene-title{display:flex;gap:14px;align-items:center;margin-bottom:15px}.scene-title span{font-size:10px;color:var(--muted)}.viewpoint{padding-left:15px;border-left:3px solid #91a787;font-size:13px}.viewpoint.b{border-color:#c58e72}.viewpoint strong{display:block;margin-bottom:5px}.viewpoint p{margin:5px 0}.viewpoint small{color:var(--muted);font-size:10px}.scene-copy details{margin-top:17px;border-top:1px solid var(--line);padding-top:12px;font-size:12px}.scene-copy summary{cursor:pointer;min-height:32px}.scene-copy details p{margin-top:10px;color:var(--muted);overflow-wrap:anywhere}.media-layout,.game-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.8fr);gap:25px}.screen{border-radius:10px;overflow:hidden;background:var(--sage);border:1px solid var(--line);align-self:start}.screen canvas{display:block;width:100%;height:auto}.screen-label{display:flex;justify-content:space-between;gap:15px;padding:12px 17px;font-size:11px;color:var(--muted);background:var(--surface)}.media-controls{padding:24px}.media-controls h2{margin-bottom:14px}.media-controls p{font-size:13px;color:var(--muted)}.scene-picker{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.scene-picker button{border:1px solid var(--line);background:none;padding:9px 15px;border-radius:4px;min-height:44px}.scene-picker button.active{background:var(--sage);border-color:var(--green)}.game-copy{padding:28px}.game-copy .role-tabs{margin-bottom:22px}.narration{font-size:19px;line-height:1.9;margin:18px 0}.known{font-size:12px;color:var(--muted);padding:12px 15px;background:var(--sage);border-radius:4px;margin-bottom:20px}.choices{display:grid;gap:10px;margin:15px 0}.choice{border:1px solid var(--line);border-radius:5px;padding:13px 15px;background:none;text-align:left;font-size:13px;min-height:48px}.choice.selected{background:var(--sage);border-color:var(--green)}.feedback{font-size:13px;padding:15px;border-left:3px solid var(--clay);background:#f5eee2;margin:15px 0}.game-nav{display:flex;justify-content:space-between;gap:10px;margin-top:20px}.reflection-card{margin-top:20px;padding:25px;background:var(--sage);border-radius:6px}.reflection-card p,.reflection-card li{font-size:14px;margin:10px 0}.reflection-card h3{margin-top:15px}footer{max-width:1240px;padding:22px 0;margin:20px auto 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:7px;padding:14px 24px;max-width:90vw;z-index:30;font-size:13px;box-shadow:0 10px 40px #253e3820}.loading{padding:80px;text-align:center}dialog{max-width:490px;width:calc(100% - 36px);border:1px solid var(--line);border-radius:10px;padding:30px;background:var(--surface);color:var(--ink)}dialog::backdrop{background:#253e3860}dialog p{margin-top:15px;font-size:13px}
@media(max-width:900px){header{padding:18px 28px}.intro-note{display:none}.workspace{grid-template-columns:200px 1fr;gap:20px}.side-card{padding:20px}.panel{padding:23px}.media-layout,.game-layout{grid-template-columns:1fr}.scene-card{grid-template-columns:200px 1fr}.scene-copy .two-col{grid-template-columns:1fr;gap:14px}footer{margin:15px 30px 0}.game-copy{padding:24px}}
@media(max-width:600px){body{font-size:14px}header{padding:15px 18px;min-height:80px}.brand{font-size:19px;gap:9px}.brand-symbol{width:36px;height:36px;font-size:24px}.brand small{font-size:6px}.header-right>a{display:none}.model{font-size:9px;padding:5px 8px}main{padding:0 18px 25px}.intro{padding:31px 0 24px}h1{font-size:30px}.lead{font-size:13px}.eyebrow{font-size:9px}.steps{margin-bottom:22px}.step{font-size:11px;padding:12px 2px;gap:4px;flex-direction:column}.step span{font-size:9px}.workspace{grid-template-columns:1fr;gap:16px}.side-card{display:none}.panel{padding:20px}.panel-header{align-items:start;flex-wrap:wrap;gap:13px;margin-bottom:19px}.panel-header h2{font-size:21px}.role-tabs{gap:7px}.role-tab{padding:7px 12px;font-size:12px}.two-col{grid-template-columns:1fr;gap:10px}.status-grid{grid-template-columns:1fr}.status-card{padding:20px}.actions{gap:9px}.btn{padding:10px 16px;font-size:12px;min-height:47px}.actions>.primary{flex:1}.scene-card{grid-template-columns:1fr}.scene-art-wrap canvas{max-height:240px;object-fit:contain}.scene-copy{padding:20px}.story-head{flex-direction:column}.story-head h2{font-size:24px}.scene-title h3{font-size:18px}.screen-label{font-size:10px}.game-copy,.media-controls{padding:20px}.narration{font-size:18px}.game-nav .btn{padding:10px 13px}.privacy{font-size:11px}.busy{padding:14px;gap:10px}.event-top{gap:10px}.event-editor .two-col{grid-template-columns:1fr 1fr}.event-editor .two-col input{font-size:12px;padding:9px 8px}footer{margin:10px 18px 0;font-size:10px}.loading{padding:60px 15px}.reflection-card{padding:20px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}