@charset "UTF-8";
:root{
  --p-ink:oklch(0.25 0.035 158);--p-deep:oklch(0.19 0.028 158);--p-sage:oklch(0.69 0.045 145);--p-paper:oklch(0.91 0.032 93);--p-paper-dim:oklch(0.82 0.035 91);--p-red:oklch(0.53 0.16 12);--p-gold:oklch(0.72 0.09 84);
  --bg:var(--p-deep);--surface:var(--p-ink);--paper:var(--p-paper);--text:var(--p-paper);--muted:var(--p-paper-dim);--accent:var(--p-red);--line:color-mix(in oklch,var(--p-paper) 24%,transparent);
  --font-song:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",SimSun,serif;--font-sans:"Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100%;overflow-x:hidden}body{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}button:focus-visible{outline:2px solid var(--p-gold);outline-offset:4px}button:disabled{cursor:default;opacity:.45}svg{display:block}svg path,svg line{vector-effect:non-scaling-stroke}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}.game-shell{min-height:100dvh}.story-view{position:relative;min-height:100dvh;isolation:isolate;overflow:hidden;background:var(--bg)}
.scene{position:absolute;inset:0;z-index:-3}.scene-art{width:100%;height:100%;object-fit:cover}.scene:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,13,.45),transparent 20%,transparent 58%,rgba(7,15,11,.92) 92%)}.scene-caption{position:absolute;top:100px;right:32px;display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.12em;color:var(--muted)}.scene-caption .time{padding-left:12px;border-left:1px solid var(--line)}.seal{display:inline-grid;place-items:center;padding:4px 6px;border:1px solid color-mix(in oklch,var(--accent) 75%,var(--paper));color:var(--paper);background:var(--accent);font-family:var(--font-song);letter-spacing:.15em}
.topbar{height:82px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 32px;border-bottom:1px solid var(--line);background:rgba(14,29,22,.74);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--p-gold);font:700 25px var(--font-song);color:var(--p-gold);transform:rotate(-2deg)}.brand div{display:flex;flex-direction:column}.brand strong{font:700 22px/1.2 var(--font-song);letter-spacing:.22em}.brand small{font-size:10px;letter-spacing:.12em;color:var(--muted)}.chapter{display:grid;grid-template-columns:auto auto;column-gap:10px;align-items:baseline;text-align:center}.chapter>span{font-size:11px;color:var(--p-gold);letter-spacing:.12em}.chapter>strong{font:600 16px var(--font-song);letter-spacing:.16em}.chapter-line{grid-column:1/-1;height:1px;background:var(--line);margin:5px 0 3px}.chapter-line i{display:block;width:25%;height:1px;background:var(--p-gold)}.chapter small{grid-column:1/-1;font-size:10px;color:var(--muted);letter-spacing:.1em}.text-btn{justify-self:end;display:flex;align-items:center;gap:8px;min-height:44px;font-size:13px;color:var(--muted);transition:color .18s,transform .18s}.text-btn:hover{color:var(--text);transform:translateY(-1px)}.text-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5}.text-btn span{display:grid;place-items:center;min-width:20px;height:20px;background:var(--accent);color:var(--paper);font-size:11px}
.objective{position:absolute;left:30px;top:116px;width:280px;display:grid;grid-template-columns:30px 1fr;gap:16px;padding:16px 18px 14px 12px;background:rgba(17,34,26,.76);border-top:1px solid var(--line);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.vertical-title{writing-mode:vertical-rl;font:12px var(--font-song);letter-spacing:.24em;color:var(--p-gold);border-right:1px solid var(--line);padding-right:10px}.objective small{display:block;color:var(--p-gold);font-size:10px;letter-spacing:.15em;margin-bottom:4px}.objective strong{display:block;font:600 15px/1.55 var(--font-song)}.objective div>span{display:block;margin-top:6px;color:var(--muted);font-size:11px;line-height:1.6}.clue-row{grid-column:2;display:flex;justify-content:space-between;padding-top:8px;margin-top:4px;border-top:1px dashed var(--line)}.clue-row span{margin:0!important}.clue-row b{font-size:11px;color:var(--p-gold)}
.portrait{position:absolute;bottom:224px;width:min(34vw,440px);z-index:-1;filter:drop-shadow(0 18px 30px rgba(0,0,0,.45));transform:translateX(0);opacity:1;transition:transform .28s ease-out,opacity .24s ease-out,filter .2s}.portrait svg{width:100%;max-height:61vh}.portrait-left{left:7%;transform-origin:left bottom}.portrait-right{right:5%;transform-origin:right bottom}.portrait.is-hidden{opacity:0;pointer-events:none}.portrait-left.is-hidden{transform:translateX(-70px)}.portrait-right.is-hidden{transform:translateX(70px)}.portrait.is-muted{filter:brightness(.58) drop-shadow(0 18px 30px rgba(0,0,0,.45))}.portrait-name{position:absolute;bottom:28px;left:22px;display:flex;align-items:baseline;gap:10px;font:600 18px var(--font-song);text-shadow:0 2px 8px #000}.portrait-right .portrait-name{left:auto;right:22px}.portrait-name small{font:10px var(--font-sans);letter-spacing:.08em;color:var(--muted)}
.dialogue-wrap{position:absolute;left:50%;bottom:40px;transform:translateX(-50%);width:min(1080px,calc(100% - 64px));z-index:3}.speaker-tab{position:relative;display:inline-flex;align-items:baseline;gap:14px;min-width:205px;padding:9px 26px 8px;background:var(--paper);color:var(--p-deep);clip-path:polygon(0 0,92% 0,100% 100%,0 100%)}.speaker-tab span{font-size:10px;letter-spacing:.15em;color:var(--p-ink)}.speaker-tab strong{font:700 22px var(--font-song);letter-spacing:.16em}.dialogue-box{position:relative;min-height:172px;padding:26px 34px 16px;background:color-mix(in oklch,var(--paper) 96%,transparent);color:var(--p-deep);border:1px solid var(--p-paper);box-shadow:0 18px 60px rgba(0,0,0,.38);filter:url(#paperNoise)}.dialogue-box:before{content:"";position:absolute;inset:6px;border:1px solid color-mix(in oklch,var(--p-ink) 18%,transparent);pointer-events:none}.corner{position:absolute;width:15px;height:15px;border-color:var(--accent);z-index:1}.corner-a{left:12px;top:12px;border-left:2px solid var(--accent);border-top:2px solid var(--accent)}.corner-b{right:12px;bottom:12px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent)}#dialogueText{position:relative;max-width:72ch;min-height:58px;font:500 18px/1.8 var(--font-song);letter-spacing:.035em}.dialogue-footer{position:relative;display:flex;align-items:center;justify-content:space-between;margin-top:10px}.dialogue-footer>span{font-size:10px;letter-spacing:.12em;color:color-mix(in oklch,var(--p-ink) 75%,var(--paper))}.next-btn{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 4px 0 16px;color:var(--p-ink);font-size:13px;font-weight:700;letter-spacing:.12em;transition:color .18s,transform .18s}.next-btn:hover{color:var(--accent);transform:translateX(3px)}.next-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7}.bottom-note{position:absolute;bottom:10px;width:100%;text-align:center;font-size:10px;color:var(--muted);letter-spacing:.08em}.bottom-note span{margin:0 8px;opacity:.5}.choice-area{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 8px}.choice-area button{min-height:48px;padding:8px 12px;border:1px solid color-mix(in oklch,var(--p-ink) 30%,transparent);font-size:13px;text-align:left;transition:background .18s,color .18s}.choice-area button:hover{background:var(--p-ink);color:var(--paper)}
.workbench-view{min-height:100dvh;background:var(--p-deep);color:var(--text)}.workbench-header{height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 26px;border-bottom:1px solid var(--line);background:var(--p-deep)}.workbench-header>div{text-align:center}.workbench-header small{display:block;font-size:10px;color:var(--p-gold);letter-spacing:.12em}.workbench-header strong{font:600 18px var(--font-song);letter-spacing:.12em}.icon-text-btn{justify-self:start;display:flex;align-items:center;gap:8px;min-height:44px;color:var(--muted);font-size:13px}.icon-text-btn:hover{color:var(--text)}.icon-text-btn svg,.primary-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7}.primary-btn{justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:0 20px;background:var(--accent);color:var(--paper);font-weight:700;font-size:13px;letter-spacing:.06em;transition:filter .18s,transform .18s}.primary-btn:hover{filter:brightness(1.12);transform:translateY(-1px)}.secondary-btn{min-height:44px;padding:0 20px;border:1px solid var(--p-ink);color:var(--p-ink);font-size:13px}.secondary-btn:hover{background:color-mix(in oklch,var(--p-sage) 35%,transparent)}
.workbench-grid{display:grid;grid-template-columns:270px minmax(420px,1fr) 245px;min-height:calc(100dvh - 76px)}.brief-panel,.palette-panel{padding:24px 22px;background:var(--p-ink)}.brief-panel{border-right:1px solid var(--line)}.palette-panel{border-left:1px solid var(--line)}.panel-heading{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}.panel-heading span{font:600 15px var(--font-song);letter-spacing:.12em}.panel-heading small{font-size:9px;letter-spacing:.1em;color:var(--p-gold)}.brief-panel h2{margin:24px 0 12px;font:600 22px/1.45 var(--font-song)}.brief-panel>p{font-size:13px;line-height:1.8;color:var(--muted)}.material-tabs{display:flex;margin-top:24px;border-bottom:1px solid var(--line)}.material-tabs button{min-height:42px;padding:0 12px;color:var(--muted);font-size:12px;border-bottom:2px solid transparent}.material-tabs button.active{color:var(--p-gold);border-color:var(--p-gold)}.material-content{padding:16px 0}.material-content blockquote{position:relative;padding:0 0 16px 15px;margin-bottom:16px;border-left:1px solid var(--p-gold);font:13px/1.85 var(--font-song);color:var(--paper)}.material-content ul{padding-left:18px;color:var(--muted);font-size:13px}.material-content li{margin-bottom:12px}.material-tag{font-size:10px;color:var(--p-gold)}.hint-btn{width:100%;min-height:48px;display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:8px;margin-top:12px;padding:0 12px;border:1px solid var(--line);text-align:left;font-size:12px}.hint-btn:hover{background:color-mix(in oklch,var(--p-sage) 12%,transparent)}.hint-btn svg{width:18px;height:18px;fill:none;stroke:var(--p-gold);stroke-width:1.5}.hint-btn small{color:var(--muted);font-size:9px}.hint-text{padding:12px;margin-top:8px;background:var(--p-deep);font:12px/1.8 var(--font-song);color:var(--p-gold)}
.canvas-panel{display:grid;grid-template-rows:52px 1fr 40px;min-width:0;background:#b0c6b3;color:#14251d;background-image:linear-gradient(rgba(20,37,29,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(20,37,29,.07) 1px,transparent 1px);background-size:28px 28px}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(20,37,29,.28);background:rgba(176,198,179,.86)}.canvas-toolbar>span{font-size:12px;font-weight:700;letter-spacing:.08em}.canvas-toolbar>div{display:flex;align-items:center;gap:18px}.canvas-toolbar button{min-height:40px;font-size:11px;text-decoration:underline;text-underline-offset:4px}.save-state{font-size:9px;color:#314c3b}.model-canvas{position:relative;min-height:560px;overflow:hidden}.system-boundary{position:absolute;left:25%;top:5%;width:54%;height:85%;border:1px solid rgba(20,37,29,.55);background:rgba(232,229,203,.16)}.system-boundary>span{position:absolute;left:50%;top:8px;transform:translateX(-50%);white-space:nowrap;font:600 13px var(--font-song)}.actor{position:absolute;text-align:center;font-size:12px;z-index:2}.actor-member{left:6%;top:21%}.actor-staff{right:4%;bottom:21%}.actor-icon{position:relative;width:45px;height:78px;margin:auto}.actor-icon i{position:absolute;left:15px;top:0;width:16px;height:16px;border:2px solid #17251f;border-radius:50%}.actor-icon b{position:absolute;left:22px;top:18px;width:2px;height:34px;background:#17251f}.actor-icon b:before,.actor-icon b:after{content:"";position:absolute;left:-13px;top:9px;width:28px;height:2px;background:#17251f}.actor-icon b:after{transform:rotate(55deg);transform-origin:center}.actor-icon em:before,.actor-icon em:after{content:"";position:absolute;left:22px;top:50px;width:2px;height:27px;background:#17251f;transform:rotate(25deg);transform-origin:top}.actor-icon em:after{transform:rotate(-25deg)}.usecase{position:absolute;z-index:3;width:140px;min-height:60px;padding:8px;border:2px solid #1d392a;border-radius:50%;background:#d8ddc7;color:#17251f;font:600 13px var(--font-song);transition:transform .18s,background .18s}.usecase:hover{transform:scale(1.035);background:#e7e5cf}.usecase small{display:block;font:8px var(--font-sans);color:#526658;letter-spacing:.08em}.uc-search{left:35%;top:15%}.uc-create{left:35%;top:42%}.model-links{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.model-links path{fill:none;stroke:#314c3b;stroke-width:1.5}.candidate-zone{position:absolute;left:26%;right:22%;bottom:5%;min-height:70px;border-top:1px dashed rgba(20,37,29,.4);padding-top:6px;text-align:center}.candidate-zone>span{font-size:10px;font-weight:700;letter-spacing:.12em}.candidate-zone>p{font-size:9px;color:#3f5c49}.added-case{position:relative;display:inline-flex;align-items:center;justify-content:center;width:120px;min-height:44px;margin:8px 4px 0;padding:6px 10px;border:1px solid #314c3b;border-radius:50%;background:#d8ddc7;font:600 11px var(--font-song)}.added-case:hover{background:#e8c6bd}.canvas-status{display:flex;align-items:center;gap:24px;padding:0 18px;border-top:1px solid rgba(20,37,29,.28);font-size:10px;background:rgba(176,198,179,.9)}.canvas-status b{font-size:12px}.status-tip{margin-left:auto;color:#3d5747}.toast{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);padding:10px 16px;background:var(--p-ink);color:var(--paper);font-size:12px;box-shadow:0 8px 25px rgba(0,0,0,.18);z-index:8}.palette-help{margin:18px 0 12px;font-size:12px;color:var(--muted)}.candidate-list button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:48px;padding:0 4px 0 12px;border-bottom:1px solid var(--line);text-align:left;font:13px var(--font-song);transition:padding .18s,background .18s}.candidate-list button:hover{padding-left:16px;background:color-mix(in oklch,var(--p-sage) 10%,transparent)}.candidate-list button i{font:normal 18px var(--font-sans);color:var(--p-gold)}.candidate-list button:disabled{text-decoration:line-through}.mentor-note{display:flex;gap:10px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}.mini-avatar{flex:0 0 32px;display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--p-gold);font:15px var(--font-song);color:var(--p-gold)}.mentor-note p{font:12px/1.75 var(--font-song);color:var(--muted)}
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.review-dialog{width:min(530px,calc(100% - 32px));padding:36px;background:var(--paper);filter:url(#paperNoise)}.review-seal{position:absolute;right:30px;top:28px;display:grid;place-items:center;width:54px;height:54px;border:2px solid var(--accent);color:var(--accent);font:700 18px var(--font-song);transform:rotate(7deg)}.review-dialog>small{font-size:9px;letter-spacing:.2em;color:var(--accent)}.review-dialog h2{margin:5px 0 20px;font:700 24px var(--font-song)}#reviewBody{font:14px/1.85 var(--font-song)}#reviewBody ul{margin:12px 0 0;padding-left:20px}#reviewBody .score{display:flex;gap:20px;margin:18px 0;padding:12px 0;border-top:1px solid var(--p-ink);border-bottom:1px solid var(--p-ink)}#reviewBody .score b{font-size:24px;color:var(--accent)}.review-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:26px}
.lesson-view{min-height:100dvh;background:var(--p-deep);color:var(--text)}.lesson-duration{justify-self:end;font-size:11px;color:var(--muted);letter-spacing:.08em}.lesson-layout{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:calc(100dvh - 76px)}.lesson-nav{padding:28px 24px;background:var(--p-ink);border-right:1px solid var(--line)}.mentor-intro{display:flex;align-items:center;gap:12px}.mentor-intro .mini-avatar{width:44px;height:44px;flex-basis:44px;font-size:20px}.mentor-intro strong{display:block;font:600 18px var(--font-song)}.mentor-intro small{display:block;font-size:10px;color:var(--muted)}.lesson-nav>p{margin:22px 0 26px;font:13px/1.9 var(--font-song);color:var(--muted)}.lesson-nav ol{list-style:none}.lesson-nav li button{display:flex;align-items:center;gap:14px;width:100%;min-height:66px;padding:8px 10px;border-top:1px solid var(--line);text-align:left;color:var(--muted);transition:background .18s,color .18s}.lesson-nav li:last-child button{border-bottom:1px 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/* 明快卡通主题：保留专业图纸的清晰度，用圆润形状和轻盈色彩降低学习压迫感 */
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