:root{--bg:#121411;--panel:#1a1c18;--panel2:#20231d;--line:#34372e;--text:#eae8dc;--muted:#a2a596;--gold:#d8b875;--green:#b7cc9a;--serif:Georgia,"Songti SC","Noto Serif SC",serif;--sans:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
    *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.7 var(--sans)}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}::selection{background:var(--gold);color:var(--bg)}[hidden]{display:none!important}
    .shell{max-width:1280px;margin:auto;padding:0 46px}.header{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;gap:13px;align-items:center}.brand-mark{border:1px solid var(--gold);color:var(--gold);font:25px var(--serif);height:40px;width:36px;display:grid;place-items:center;border-radius:17px 17px 3px 3px}.brand strong{display:block;font-size:16px;letter-spacing:3px;font-weight:600}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:2.3px;margin-top:2px}.nav{display:flex;gap:30px;font-size:12px;color:var(--muted)}.nav a:hover,.nav a.active{color:var(--gold)}.mode{display:flex;gap:8px;align-items:center;font-size:11px;letter-spacing:.5px;border:1px solid var(--line);padding:7px 12px;border-radius:3px;white-space:nowrap}.dot{width:5px;height:5px;background:var(--green);border-radius:50%;display:inline-block}
    .eyebrow{font-size:10px;color:var(--gold);letter-spacing:2px;font-weight:500}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:42px;align-items:center;padding:55px 0 44px;min-height:462px}.chapter-label{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px;margin-bottom:24px}.chapter-label b{font-weight:500;color:var(--gold);border:1px solid #5a4c31;padding:3px 9px;border-radius:2px}.hero h1{font:400 clamp(36px,4.3vw,55px)/1.38 var(--serif);letter-spacing:2px;margin:0 0 20px}.hero h1 em{color:var(--gold);font-style:normal}.hero p{color:var(--muted);max-width:430px;font-size:13px;line-height:2;margin:0 0 28px}.hero-actions{display:flex;align-items:center;gap:22px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:27px;border:1px solid var(--gold);background:var(--gold);color:#191d16;padding:11px 20px;border-radius:3px;font-size:12px;font-weight:600;transition:background .2s,transform .2s}.primary:hover{background:#e8cc92;transform:translateY(-1px)}.text-button{border:0;background:none;padding:6px 0;color:var(--muted);font-size:11px}.text-button:hover{color:var(--text)}.hero-meta{display:flex;gap:18px;color:#a3a792;font-size:10px;margin-top:18px}.hero-meta span+span{border-left:1px solid var(--line);padding-left:18px}
    .vault-art{height:350px;position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#3a392632 0,#22251a2a 42%,transparent 70%)}.vault-art:before,.vault-art:after{content:"";position:absolute;width:20px;height:20px;border-color:#555844;border-style:solid}.vault-art:before{left:5px;top:15px;border-width:1px 0 0 1px}.vault-art:after{right:5px;bottom:15px;border-width:0 1px 1px 0}.vault-art svg{width:320px;max-width:85%;height:auto;filter:drop-shadow(0 16px 25px #0006)}.art-note{position:absolute;font:9px monospace;letter-spacing:1px;color:#8b907c}.art-note.top{right:16px;top:12px}.art-note.bottom{left:17px;bottom:12px}.art-tag{position:absolute;right:12px;bottom:43px;padding:9px 15px;background:#1b1e18e8;border:1px solid #4e533e;border-radius:3px;font-size:10px;color:var(--muted)}.art-tag span{display:block;font-family:var(--serif);font-size:20px;color:var(--gold);letter-spacing:2px}.wheel{transform-origin:180px 180px;transition:transform 1.8s cubic-bezier(.25,.6,.3,1)}.unlocked .wheel{transform:rotate(110deg)}.unlocked .lock-led{fill:var(--green)}
    .progress-strip{display:grid;grid-template-columns:1fr 1fr 1fr auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:19px 0;gap:20px}.step{display:flex;gap:13px;align-items:center}.step .number{font:11px monospace;color:var(--muted);border:1px solid var(--line);width:28px;height:28px;display:grid;place-items:center;border-radius:50%}.step.current .number{border-color:#756445;color:var(--gold);background:#d8b8750a}.step.done .number{border-color:#728c57;color:var(--green)}.step strong{display:block;font-size:11px;font-weight:500}.step small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.save-state{display:flex;align-items:center;font-size:10px;color:#8e947f;gap:7px}
    .workspace{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);gap:26px;padding-top:39px;align-items:start}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;gap:14px}.section-head h2{margin:0;font:21px var(--serif);letter-spacing:1px}.section-head small{font:9px monospace;color:var(--muted);letter-spacing:1.4px}.section-head .count{font:10px monospace;color:var(--gold)}.character-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-bottom:12px}.character{padding:12px 10px;display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:transparent;border-radius:3px;text-align:left;transition:border .2s}.character:hover{border-color:#736e50}.character[aria-selected="true"]{background:#d8b87509;border-color:#8a7650}.avatar{display:grid;place-items:center;width:34px;height:39px;flex-shrink:0;border-radius:19px 19px 3px 3px;background:#30382b;color:#b6c69f;font:20px var(--serif);position:relative}.character:nth-child(2) .avatar{background:#393328;color:#d4b780}.character:nth-child(3) .avatar{background:#2d3338;color:#a7bcc9}.character b{display:block;font-size:11px;font-weight:500}.character small{display:block;font-size:9px;color:var(--muted)}.character .found{width:5px;height:5px;border-radius:50%;background:var(--green);position:absolute;right:-2px;top:0}.chat-panel{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--panel)}.chat-header{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}.chat-header strong{font-size:12px;font-weight:500}.chat-header small{color:var(--muted);font-size:10px}.chat-status{font-size:9px;color:#a6b98f}.messages{height:286px;overflow-y:auto;padding:22px 21px 14px;scrollbar-width:thin;scrollbar-color:#444938 transparent}.message{margin-bottom:19px;max-width:93%;animation:appear .3s ease}.message .speaker{font:9px monospace;letter-spacing:1px;color:var(--gold);margin-bottom:7px}.message .bubble{font-size:12px;line-height:1.95;color:#d7dbce;white-space:pre-line}.message.user{margin-left:auto;max-width:85%;background:#2b3025;border:1px solid #3b4231;border-radius:4px;padding:10px 13px}.message.user .speaker{color:#aab29f;font-size:8px;margin-bottom:3px}.message.user .bubble{font-size:11px}.clue-event{padding:8px 12px;border-left:2px solid var(--gold);background:#d8b8750b;font-size:10px;color:var(--gold);margin:4px 0 18px;animation:appear .3s ease}.suggestions{padding:5px 19px 13px;display:flex;flex-wrap:wrap;gap:7px}.suggestion{padding:6px 10px;border:1px solid #484d3e;background:transparent;border-radius:3px;font-size:10px;text-align:left;color:#c8ccb9}.suggestion:hover{background:#303628;border-color:var(--gold)}.chat-compose{border-top:1px solid var(--line);display:flex;padding:12px 15px;gap:10px;background:#161914}.chat-compose input{width:100%;min-width:0;background:transparent;border:0;color:var(--text);outline:none;font-size:11px}.chat-compose input::placeholder{color:#7f8775}.send{background:var(--gold);color:var(--bg);border:0;width:30px;height:30px;flex-shrink:0;border-radius:3px;font-size:16px}.demo-caption{font-size:9px;color:#929986;margin:9px 0 0;display:flex;justify-content:space-between;gap:10px}
    .notebook{background:#e3dfcf;color:#343b30;border-radius:3px;padding:22px 22px 18px;position:relative;box-shadow:0 5px 20px #0002}.notebook:before{content:"";position:absolute;top:0;left:22px;width:42px;height:4px;background:var(--gold)}.notebook-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:13px;border-bottom:1px solid #b6baaa}.notebook h3{font:17px var(--serif);margin:0}.notebook-top span{font:9px monospace;letter-spacing:1px;color:#6f7863}.evidence-list{margin:0;padding:0;list-style:none}.evidence-item{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid #c6c9b9}.evidence-item:last-child{border:0;padding-bottom:3px}.evidence-index{font:10px monospace;color:#727b64;flex-shrink:0;padding-top:4px}.evidence-item h4{font-size:11px;margin:0 0 4px;font-weight:600}.evidence-item p{font-size:10px;color:#5e6957;margin:0;line-height:1.9}.evidence-item.empty h4{color:#697260;font-weight:400}.evidence-item.empty p{color:#79806e}.evidence-item .source{font-size:9px;margin-top:7px;color:#6c735f}.notebook-foot{margin-top:17px;padding-top:11px;border-top:1px dashed #b3b8a4;font:9px var(--serif);color:#6b735f;letter-spacing:1px}.unlock-panel{margin-top:16px;border:1px solid var(--line);padding:20px 21px;border-radius:4px;background:linear-gradient(120deg,#25271e,#1a1d17)}.unlock-title{display:flex;justify-content:space-between;align-items:center}.unlock-title h3{font:17px var(--serif);margin:0}.unlock-title span{font-size:9px;color:var(--gold)}.unlock-panel p{font-size:10px;color:var(--muted);margin:9px 0 14px}.code-row{display:flex;gap:10px}.code-input{min-width:0;width:100%;height:44px;border:1px solid #4d523d;border-radius:3px;background:#141710;color:var(--gold);padding:8px 13px;letter-spacing:14px;font:22px monospace;text-align:center}.code-input::placeholder{color:#626a52;letter-spacing:10px}.code-row .primary{white-space:nowrap;padding:8px 17px;font-size:11px;gap:10px}.form-status{font-size:11px;line-height:1.8;color:var(--gold);margin-top:12px;min-height:0}.form-status:empty{display:none}.hint-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px}.hint-row span{font-size:9px;color:#919b81}.hint-row button{font-size:10px}.hint{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;color:#bfc7ae;font-size:11px}.result-card{border:1px solid #728c57;background:#a6ba810b;padding:22px;margin-top:16px;border-radius:4px;animation:appear .4s}.result-card .eyebrow{color:var(--green)}.result-card h3{font:24px var(--serif);color:var(--green);margin:12px 0}.result-card p{font-size:12px;color:#c5cdbb;line-height:1.95}.result-card .receipt{font:10px monospace;color:#a3af91;border-top:1px solid #43513a;padding-top:13px;line-height:2}.reward-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}.reward-actions .primary{font-size:10px;padding:9px 13px}.reward-actions .form-status{margin-top:0}.result-actions{display:flex;gap:14px;align-items:center;margin-top:14px}.secondary{background:transparent;border:1px solid #616a50;border-radius:3px;padding:7px 11px;font-size:10px;color:#bdc6ad}.secondary:hover{border-color:var(--gold);color:var(--gold)}
    .rules{margin-top:40px;border-top:1px solid var(--line);padding:30px 0}.rules summary{cursor:pointer;display:flex;justify-content:space-between;list-style:none;gap:15px;align-items:center}.rules summary::-webkit-details-marker{display:none}.rules summary h2{font:19px var(--serif);margin:0}.rules summary span{font-size:10px;color:var(--muted)}.rules[open] .rule-grid{margin-top:24px}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:27px}.rule-grid h3{font-size:11px;font-weight:500;color:var(--gold);margin:0 0 8px}.rule-grid p{color:var(--muted);font-size:11px;line-height:1.9;margin:0}.footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:22px 0 28px;color:#929986;font-size:9px;letter-spacing:.4px}.footer a:hover{color:var(--gold)}.footer-right{display:flex;align-items:center;gap:22px}.footer button{font-size:9px;color:#929986}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#e1dcca;color:#293121;border:1px solid var(--gold);box-shadow:0 8px 40px #0006;padding:11px 20px;z-index:30;font-size:11px;border-radius:3px;max-width:90vw;width:max-content}.dialog{background:var(--panel);color:var(--text);border:1px solid #5a604a;padding:28px;border-radius:5px;max-width:430px;width:calc(100% - 36px)}.dialog::backdrop{background:#080c09bb;backdrop-filter:blur(4px)}.dialog h2{font:25px var(--serif);margin:0 0 12px}.dialog p{font-size:12px;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:14px;margin-top:23px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes appear{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
    @media(min-width:1400px){.shell{max-width:1372px;padding:0 56px}.hero{min-height:485px}.vault-art{height:375px}.vault-art svg{width:348px}.messages{height:305px}}
    @media(max-width:1000px){.shell{padding:0 28px}.hero{gap:15px}.hero h1{font-size:40px}.vault-art svg{width:290px}.character{padding:10px 8px;gap:6px}.avatar{width:26px;height:32px;font-size:17px}.character b{font-size:10px}.workspace{gap:20px;grid-template-columns:1.15fr 1fr}.notebook{padding:20px 17px}.save-state{display:none}.progress-strip{grid-template-columns:1fr 1fr 1fr}.code-input{letter-spacing:8px}.nav{gap:18px}}
    @media(max-width:760px){.shell{padding:0 21px}.header{height:76px;gap:12px}.brand strong{font-size:14px;letter-spacing:2px}.brand small{font-size:8px}.brand-mark{width:31px;height:36px}.brand{gap:10px}.nav{display:none}.mode{font-size:9px;padding:5px 8px}.hero{grid-template-columns:1fr;padding:34px 0 29px;gap:12px}.hero h1{font-size:39px}.hero p{font-size:12px;max-width:100%;margin-bottom:23px}.hero-art-wrap{order:2}.vault-art{height:250px;margin-top:10px}.vault-art svg{width:236px}.art-tag{bottom:31px;right:18px}.art-note.top{top:2px}.art-note.bottom{bottom:5px}.vault-art:before{top:0}.vault-art:after{bottom:0}.chapter-label{margin-bottom:20px}.progress-strip{gap:7px;padding:17px 0}.step{gap:7px}.step .number{height:23px;width:23px;font-size:10px}.step strong{font-size:10px}.step small{font-size:8px}.workspace{grid-template-columns:1fr;padding-top:29px;gap:27px}.section-head h2{font-size:20px}.character{padding:12px 10px;gap:9px}.avatar{width:31px;height:36px;font-size:20px}.character b{font-size:11px}.character small{font-size:9px}.messages{height:280px}.notebook{padding:22px}.evidence-item p{font-size:11px}.code-input{letter-spacing:16px}.unlock-panel{padding:20px}.rule-grid{grid-template-columns:1fr;gap:20px}.rules{margin-top:30px;padding:25px 0}.rules summary span{font-size:9px}.footer{align-items:flex-start;gap:8px;flex-direction:column}.footer-right{width:100%;justify-content:space-between}.hero-meta{font-size:9px}.hero-actions{gap:18px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
  .mode{background:transparent;color:var(--text)}.live-vault{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:19px 0}.live-vault strong,.live-vault small{display:block}.live-vault strong{font-size:11px;font-weight:500;margin-top:4px}.live-vault small{font-size:9px;color:var(--muted);margin-top:4px}.vault-links{display:flex;gap:16px;align-items:center;flex-shrink:0}.vault-links a{font-size:10px;color:var(--gold)}.wallet-option{display:block;width:100%;text-align:left;background:#293122;border:1px solid #586b45;padding:13px;margin-top:10px;border-radius:3px}.wallet-option:hover{border-color:var(--gold)}#wallet-dialog-status{font-size:12px;line-height:1.8;color:var(--gold);white-space:pre-line}.receipt,#ending-text{white-space:pre-line}.reward-note{font-size:10px!important;color:var(--gold)!important}.art-tag span{font-size:18px;letter-spacing:0}.live-vault>div:first-child{min-width:0}.live-vault strong{overflow-wrap:anywhere}@media(max-width:760px){.live-vault{align-items:flex-start;flex-direction:column;gap:9px}.vault-links{align-self:flex-end}.art-tag{right:0}.art-tag span{font-size:16px}.hero-meta{gap:10px}.hero-meta span+span{padding-left:10px}}