:root{color-scheme:dark;--bg:#140f12;--panel:#20191c;--paper:#f0e8dc;--muted:#b4a6a6;--line:#ffffff1a;--gold:#e3c49c;--red:#8e3945;--light:#f9f0e4;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;--serif:Georgia,'Noto Serif CJK SC','Songti SC',serif;--sans:Inter,'Segoe UI','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--light);font:15px/1.7 var(--sans)}button,input,select,textarea{font:inherit}button{cursor:pointer}button,a,select,textarea{touch-action:manipulation}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:4px}a{color:inherit}button{color:inherit}.top{height:82px;padding:0 max(24px,calc((100vw - 1240px)/2));display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid var(--line);background:#140f12f5;position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;background:none;border:0;text-align:left;font:12px var(--mono);letter-spacing:.19em;padding:0}.brand-icon{font:36px var(--serif);position:relative;border:1px solid #aa8a6855;width:43px;height:47px;line-height:43px;text-align:center;color:var(--gold)}.brand-icon span{position:absolute;font:11px var(--sans);top:0;right:3px}.brand small{display:block;font:8px var(--mono);color:#a6908d;letter-spacing:.1em;margin-top:6px}.tools{display:flex;gap:15px;align-items:center}.save-state{font:9px var(--mono);color:#b5a49c}.save-state:before{content:'●';color:#9bba9d;font-size:7px;margin-right:7px}.language,.iconbtn{border:1px solid #6f5359;background:transparent;border-radius:4px;padding:8px 12px;font:12px var(--sans)}.iconbtn{font-size:20px;padding:0 11px;height:36px}.hero{position:relative;min-height:730px;max-height:1100px;isolation:isolate;display:flex;align-items:center;overflow:hidden;background:#110d0f}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#140f12 2%,#140f12eb 26%,#140f1280 52%,#140f1210 77%),linear-gradient(0deg,#140f12 0%,transparent 30%);z-index:-1}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:68% 50%;z-index:-2}.hero-content{width:1240px;margin:auto;padding:72px 24px 96px}.eyebrow,.label{font:10px/1.6 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}.casebadge{display:inline-flex;align-items:center;gap:13px;border:1px solid #b397783f;padding:7px 12px;border-radius:2px;background:#1c1015a8}.casebadge span{font:9px var(--mono);color:#c6b1a7;border-left:1px solid #8a6b5f;padding-left:12px}.hero h1{font:400 clamp(64px,7.3vw,108px)/.98 var(--serif);letter-spacing:-.055em;margin:30px 0 25px}.hero h1 em{font-weight:400;color:var(--gold)}html[lang=zh-Hans] .hero h1{font-size:clamp(60px,7.2vw,96px);line-height:1.12;letter-spacing:.02em}.hero p{color:#d0c0bb;max-width:440px;font-size:16px;line-height:1.9}.hero .premise{font:22px/1.5 var(--serif);color:#eee2d3;max-width:480px}.hero-actions{display:flex;gap:13px;align-items:center;margin:30px 0 16px}.primary,.secondary{border-radius:4px;padding:13px 21px;border:1px solid transparent;font:600 12px/1.5 var(--sans);transition:background .2s,transform .2s;letter-spacing:.025em}.primary{background:var(--gold);color:#2b1720}.primary:hover{background:#f5dab4;transform:translateY(-2px)}.secondary{background:#291b2188;border-color:#8b6570;color:#eddbd4}.secondary:hover{background:#423039}.quiet{font:10px var(--mono);color:#c8b8ad}.hero-ticket{position:absolute;right:max(28px,calc((100vw - 1192px)/2));bottom:83px;width:235px;transform:rotate(3deg);padding:18px 22px;background:#e7d8bd;color:#45252d;box-shadow:0 18px 45px #0007}.hero-ticket:before{content:'';position:absolute;left:10px;right:10px;top:10px;bottom:10px;border:1px solid #94775b55;pointer-events:none}.hero-ticket .label{color:#6b4a3b;font-size:8px}.hero-ticket strong{display:block;font:27px/1.2 var(--serif);margin:9px 0}.ticket-bottom{border-top:1px dashed #987656;margin-top:14px;padding-top:8px;display:flex;justify-content:space-between;font:8px var(--mono)}.facts{max-width:1240px;margin:auto;padding:26px 24px 36px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-bottom:1px solid var(--line)}.fact strong{display:block;font:26px var(--serif);color:var(--gold)}.fact span{font:10px var(--mono);color:#baaba6}.intro-grid{max-width:1240px;margin:auto;padding:50px 24px 75px;display:grid;grid-template-columns:1fr 1.6fr;gap:70px}.intro-grid h2{font:32px/1.3 var(--serif);font-weight:400;margin:10px 0}.intro-grid p{color:var(--muted);margin:10px 0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.step-number{font:11px var(--mono);color:#af795f}.steps h3{font:19px var(--serif);margin:14px 0 8px}.steps p{font-size:13px}.workspace{max-width:1240px;margin:auto;padding:36px 24px 65px}.case-nav{display:flex;gap:8px;margin-bottom:38px;border-bottom:1px solid var(--line);overflow-x:auto}.navitem{border:0;border-bottom:2px solid transparent;background:none;white-space:nowrap;padding:12px 15px;color:#9f8f91;font:11px var(--mono)}.navitem.active{border-color:var(--gold);color:var(--gold)}.navitem small{margin-right:8px;color:#8b5e68}.page-head{display:flex;justify-content:space-between;align-items:end;gap:25px}.page-head h1,.content-title{font:400 clamp(32px,4vw,49px)/1.2 var(--serif);margin:10px 0 15px}.page-head p{color:var(--muted);max-width:620px;margin:0 0 15px;font-size:14px}.read-status{text-align:right;min-width:130px}.read-status strong{font:33px var(--serif);color:var(--gold)}.read-status span{font:10px var(--mono);color:var(--muted)}.progress-track{height:3px;background:#ffffff15;margin:12px 0}.progress-fill{height:100%;background:var(--gold)}.filterbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:24px 0}.filters{display:flex;flex-wrap:wrap;gap:6px}.filter{border:1px solid #ffffff15;background:#23191e;color:#bfb1b2;border-radius:30px;padding:7px 13px;font:11px var(--sans)}.filter.active{border-color:#ba876e;color:#e5c79e;background:#38232b}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.evidence-card{background:linear-gradient(140deg,#2a1e24,#1e171b);border:1px solid #4c343c;border-radius:6px;min-height:205px;position:relative;overflow:hidden;transition:transform .18s,border-color .18s}.evidence-card:hover{transform:translateY(-3px);border-color:#a77870}.evidence-card.read{border-color:#6e5948}.card-open{display:flex;flex-direction:column;align-items:start;text-align:left;border:0;background:transparent;padding:23px;width:100%;height:100%;min-height:205px}.card-top{display:flex;align-items:center;justify-content:space-between;width:100%;gap:10px;margin-bottom:23px}.exhibit-num{font:11px var(--mono);color:#d1af8a}.card-type{font:8px var(--mono);color:#a68c8e;letter-spacing:.06em;max-width:75%;text-align:right}.card-open strong{font:23px/1.25 var(--serif);font-weight:400}.card-open p{font-size:12px;color:#b8a8a9;margin:9px 0 20px}.card-bottom{display:flex;justify-content:space-between;width:100%;margin-top:auto;font:9px var(--mono);color:#b79c89}.card-bottom b{font-weight:400;color:#dec298}.pinmark{position:absolute;bottom:19px;right:19px;font:9px var(--mono);color:#e4b27a;background:#291a20;padding-left:7px;pointer-events:none}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:26px 0 12px}.actions p{color:var(--muted);font-size:12px;margin:0}.notebook{margin-top:29px;background:#1c1519;border:1px solid #4b343d;border-radius:6px;padding:16px 20px}.notebook summary{cursor:pointer;color:var(--gold);font:12px var(--mono)}.notebook p{font-size:12px;color:var(--muted)}textarea{width:100%;min-height:120px;padding:12px;background:#120e10;color:#e2d6cb;border:1px solid #57414b;border-radius:3px;resize:vertical;line-height:1.6}.board-empty{padding:45px;text-align:center;grid-column:1/-1;border:1px dashed #75545c;color:var(--muted)}.reason-grid{display:grid;grid-template-columns:.85fr 1.2fr;gap:30px;margin-top:27px;align-items:start}.context-panel{background:#24191e;border:1px solid #583740;border-radius:5px;padding:26px}.context-panel h3{font:26px/1.2 var(--serif);color:var(--gold);font-weight:400;margin:12px 0}.context-panel p{font-size:14px;color:var(--muted)}.context-panel .stamp{font:9px var(--mono);letter-spacing:.12em;color:#bd8790;border:1px solid #74404c;display:inline-block;padding:5px 8px}.proof-links{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}.proof-links button{background:none;border:1px solid #755460;border-radius:3px;padding:6px 8px;color:#d6b393;font:10px var(--mono)}.form-panel{border:1px solid #5b4549;border-radius:6px;padding:26px;background:#1e171b}.field{margin-bottom:22px}.field label{font:11px/1.7 var(--mono);display:block;color:#e4c5a1;margin-bottom:9px}.field select{width:100%;padding:12px;border:1px solid #685058;border-radius:3px;color:#f3e8dd;background:#120d10;font-size:14px}.field small{display:block;color:#b2a0a3;font-size:11px;margin-top:6px}.feedback{color:#edb19d;font-size:13px;min-height:21px}.hintbtn{font:11px var(--mono);color:#c2b1a5;border:0;border-bottom:1px solid #795760;background:none;padding:7px 0}.hinttext{font-size:13px;color:#d3b8a2;margin:12px 0 0;border-left:2px solid #a46a60;padding-left:14px}.hints{margin-top:24px}.solution-banner{padding:45px;border:1px solid #977855;background:linear-gradient(130deg,#38272b,#1a1717);border-radius:6px;margin:25px 0}.solution-banner h1{font:45px/1.15 var(--serif);margin:17px 0}.solution-banner p{max-width:740px;color:#d2beb6}.solution-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.solution-item{padding:26px;border:1px solid #4e3b41;border-radius:5px;background:#21181c}.solution-item h3{font:25px var(--serif);font-weight:400;margin:12px 0}.solution-item p{font-size:14px;color:#c6b4b1}.epilogue{border-left:2px solid #b18467;padding:4px 25px;margin:40px 0;max-width:830px}.epilogue p{font:19px/1.85 var(--serif);color:#d5c4bc}footer{max-width:1192px;margin:auto;border-top:1px solid var(--line);padding:25px 0 30px;display:flex;justify-content:space-between;gap:18px;color:#9e898e;font:9px/1.7 var(--mono)}.skip{position:absolute;top:-100px;z-index:100}.skip:focus{top:10px;left:15px;padding:10px;background:#eee;color:#111}dialog{width:min(840px,calc(100% - 28px));max-height:90dvh;padding:0;border:1px solid #b79d77;border-radius:7px;background:var(--paper);color:#352a2c;box-shadow:0 40px 140px #000d;overflow:hidden}dialog::backdrop{background:#090609df;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;gap:15px;border-bottom:1px solid #c6b7a0;padding:14px 22px;background:#e7dccb}.dialog-top>span{font:9px var(--mono);letter-spacing:.08em;margin-right:auto;color:#705e50}.closebtn,.textbtn{background:none;border:0;color:#5b3b43;cursor:pointer}.closebtn{font:27px var(--sans);padding:0 4px;line-height:1}.textbtn{font:11px var(--mono)}#doc-content{max-height:calc(90dvh - 144px);overflow-y:auto;padding:27px 34px 32px}#doc-content h2{font:35px/1.2 var(--serif);font-weight:400;margin:0 0 22px}#doc-content p{font-size:15px;line-height:1.85;color:#514448}#doc-content blockquote{margin:22px 0;border-left:3px solid #9e635c;background:#e4d7c8;padding:16px 20px;font:19px/1.6 var(--serif)}#doc-content table{border-collapse:collapse;width:100%;margin:24px 0;background:#f9f4e9;font:12px/1.6 var(--mono)}#doc-content td{border-bottom:1px solid #d5c8b7;padding:12px}#doc-content td:first-child{color:#8c403f;white-space:nowrap;width:28%}#doc-content .suspect{border-bottom:1px solid #cdbfac;padding:5px 0 16px;margin-bottom:20px}#doc-content .suspect h3{font:22px var(--serif);margin:0}#doc-content .suspect small{color:#826e60;font:11px var(--sans)}#doc-actions{border-top:1px solid #c8bba4;background:#e7dccb;padding:15px 22px;display:flex;gap:9px;align-items:center;justify-content:space-between}#doc-actions button{font-size:11px;padding:9px 12px}#doc-actions .secondary{color:#6b3c43;border-color:#ac8b85;background:transparent}#doc-actions .primary{background:#5f303c;color:#fff0e5}.floorplan{width:100%;height:auto;border:1px solid #c7b79f;background:#f8f1e4;margin:12px 0}.floorplan text{fill:#4a3236;font-family:var(--sans);font-size:12px}.floorplan .room{fill:#e9dfcd;stroke:#957e68;stroke-width:2}.floorplan .hall{stroke:#9e706c;stroke-width:5;fill:none}.floorplan .camera{fill:#7b3543}.floorplan .em{fill:#d7bdb5}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#ead9c1;color:#351e27;padding:10px 18px;border-radius:5px;font-size:12px;z-index:60;max-width:85%;box-shadow:0 6px 30px #0005;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}.mobile-hidden{display:inline}
@media(min-width:1600px){.hero{min-height:810px}.hero:before{background:linear-gradient(90deg,#140f12 7%,#140f12dd 32%,#140f1233 60%,transparent),linear-gradient(0deg,#140f12,transparent 30%)}}
@media(max-width:950px){.hero-ticket{display:none}.hero{min-height:700px}.evidence-grid{grid-template-columns:repeat(2,1fr)}.intro-grid{gap:35px}.steps{gap:15px}.reason-grid{gap:20px;grid-template-columns:.8fr 1fr}.top{padding:0 24px}footer{margin:0 24px}}
@media(max-width:650px){.top{height:67px;padding:0 16px}.brand{font-size:10px;gap:8px;letter-spacing:.12em}.brand-icon{font-size:28px;width:34px;height:38px;line-height:36px}.brand small{font-size:6px}.tools{gap:8px}.save-state{display:none}.language{padding:7px 9px}.hero{min-height:780px;align-items:start}.hero-image{object-position:65% 50%;opacity:.72}.hero:before{background:linear-gradient(90deg,#140f12dc,#140f1255),linear-gradient(0deg,#140f12,transparent 60%)}.hero-content{padding:55px 22px 50px}.hero h1{font-size:73px;margin-top:35px}.hero p{font-size:14px;max-width:350px}.hero .premise{font-size:21px;max-width:310px}.hero-actions{margin-top:28px;flex-wrap:wrap}.casebadge{font-size:9px}.casebadge span{font-size:8px}.quiet{font-size:9px}.facts{padding:23px 22px 32px;grid-template-columns:repeat(2,1fr);gap:24px}.fact strong{font-size:24px}.intro-grid{display:block;padding:35px 22px 45px}.steps{margin-top:25px}.steps h3{font-size:17px}.steps p{font-size:12px}.workspace{padding:22px 16px 45px}.case-nav{gap:0;margin-bottom:28px}.navitem{padding:10px 11px;font-size:10px}.navitem small{margin-right:4px}.page-head{display:block}.read-status{text-align:left;display:flex;align-items:center;gap:10px}.read-status strong{font-size:23px}.read-status .progress-track{width:100px;order:2;margin-left:auto}.filterbar{margin:22px 0}.filters{gap:6px}.filter{padding:6px 10px}.evidence-grid{grid-template-columns:1fr;gap:12px}.evidence-card,.card-open{min-height:175px}.card-open{padding:19px}.card-top{margin-bottom:16px}.card-open strong{font-size:24px}.card-open p{margin-bottom:17px}.reason-grid{display:block}.form-panel{margin-top:18px;padding:20px}.context-panel{padding:21px}.solution-banner{padding:25px}.solution-banner h1{font-size:34px}.solution-list{grid-template-columns:1fr}.solution-item{padding:22px}.epilogue{padding-left:18px}.epilogue p{font-size:17px}footer{display:block;margin:0 20px}footer span{display:block;margin:7px 0}.dialog-top{padding:12px 15px;gap:11px}#doc-content{padding:23px 20px}#doc-content h2{font-size:29px}#doc-content table{font-size:10px}#doc-content td{padding:9px 7px;word-break:normal}#doc-content td:first-child{white-space:normal}#doc-actions{padding:13px 15px;gap:5px}#doc-actions button{padding:9px 8px;font-size:10px}.mobile-hidden{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}