:root{
  --ink:#171717;--paper:#f0eee8;--paper2:#e5e0d5;--muted:#777168;
  --red:#9f2624;--red2:#c7473f;--navy:#172b3a;--green:#1f5b4c;
  --gold:#b58a43;--line:#c9c3b7;--white:#fff;--shadow:0 14px 35px rgba(0,0,0,.16)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#151515;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72}a{color:inherit}button,input,select,textarea{font:inherit}.hidden{display:none!important}
.shell{min-height:100vh;background:var(--paper)}
.mast{height:62px;background:#161616;color:#f5f1e7;display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1220px)/2));border-bottom:5px solid var(--red);position:sticky;top:0;z-index:30}.mast b{letter-spacing:.18em}.mast small{color:#c7c0b4}.mast a{text-decoration:none}
.nav{display:flex;gap:10px;flex-wrap:wrap;padding:12px max(22px,calc((100vw - 1220px)/2));background:#dfdbd0;border-bottom:1px solid #bbb4a7}.nav a{padding:5px 10px;text-decoration:none;font-size:14px;border-bottom:2px solid transparent}.nav a:hover{border-color:var(--red);color:var(--red)}
.page{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:38px 0 80px}.narrow{width:min(850px,calc(100% - 36px))}.eyebrow{color:var(--red);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px}.page h1{font-family:"Songti SC","STSong",serif;font-size:clamp(34px,5vw,62px);line-height:1.12;margin:8px 0 18px}.page h2{font-size:26px;margin:36px 0 14px}.page h3{font-size:19px;margin:20px 0 8px}.lede{font-size:19px;color:#48433d;max-width:820px}.muted{color:var(--muted)}
.hero{min-height:calc(100vh - 62px);position:relative;background:#080b0d;color:white;display:flex;align-items:flex-end;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.52) 44%,rgba(0,0,0,.15)),url('img/radio-exterior.webp') center/cover}.hero-inner{position:relative;width:min(1180px,calc(100% - 42px));margin:0 auto;padding:80px 0 90px}.hero h1{font-family:"Songti SC","STSong",serif;font-size:clamp(58px,10vw,126px);letter-spacing:.09em;margin:0}.hero p{max-width:620px;font-size:22px;color:#ddd}.hero .live{display:inline-flex;align-items:center;gap:10px;color:#ffb7b2;font-weight:700;letter-spacing:.18em}.live-dot{width:10px;height:10px;border-radius:50%;background:#e53f35;box-shadow:0 0 18px #e53f35;animation:pulse 1.5s infinite}@keyframes pulse{50%{opacity:.35}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid #222;background:transparent;color:#222;text-decoration:none;cursor:pointer;font-weight:700}.btn.primary{background:var(--red);border-color:var(--red);color:white}.btn.dark{background:#171717;color:white}.btn:hover{transform:translateY(-1px)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid>*{min-width:0}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);padding:22px;box-shadow:0 5px 16px rgba(0,0,0,.05)}.card.accent{border-top:5px solid var(--red)}.card h3{margin-top:0}.card .tag{display:inline-block;font-size:12px;padding:2px 8px;background:#e9e4d9;margin-right:5px}
.notice{border-left:5px solid var(--red);background:#fff;padding:18px 22px;margin:24px 0}.warning{border-color:#c58125;background:#fff8e9}.quote{font-family:"Songti SC","STSong",serif;font-size:24px;padding:24px 28px;background:#1d1d1d;color:#eee;border-left:6px solid var(--red)}
.doc{background:#fffdf7;border:1px solid #bcb5a8;padding:28px;box-shadow:var(--shadow);position:relative}.doc:before{content:"内部资料";position:absolute;right:20px;top:14px;color:#ab3a34;border:2px solid #ab3a34;padding:2px 8px;transform:rotate(5deg);opacity:.65;font-weight:700}.doc table,.records{width:100%;border-collapse:collapse}.doc th,.doc td,.records th,.records td{border:1px solid #bbb5aa;padding:10px;text-align:left;vertical-align:top}.doc th,.records th{background:#e5e1d8}
.evidence-img{width:100%;display:block;border:10px solid white;box-shadow:var(--shadow)}.photo-caption{color:#68625a;font-size:13px;margin-top:8px}
.scene-wrap{position:relative;margin-top:24px}.marker{position:absolute;width:35px;height:35px;border-radius:50%;border:2px solid white;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:bold;box-shadow:0 3px 12px #000;cursor:pointer}.marker:hover{scale:1.12}.scene-note{margin-top:16px;min-height:100px;background:#191919;color:#eee;padding:20px;border-left:6px solid var(--red)}
.desktop{background:#1d3f58;min-height:72vh;padding:32px;border:14px solid #242424;border-bottom-width:28px;box-shadow:var(--shadow)}.desktop-icons{display:grid;grid-template-columns:repeat(4,120px);gap:28px}.desktop-icon{background:transparent;border:0;color:white;text-decoration:none;text-align:center;cursor:pointer}.desktop-icon span{display:grid;place-items:center;width:72px;height:72px;border-radius:12px;background:#ece8df;color:#1d3f58;font-size:32px;margin:0 auto 8px;box-shadow:0 7px 20px rgba(0,0,0,.25)}
.browser{border:1px solid #999;background:white;box-shadow:var(--shadow)}.browser-top{background:#dedede;padding:9px;display:flex;gap:8px;align-items:center}.browser-dots{letter-spacing:.2em;color:#a33}.address{flex:1;background:white;border:1px solid #aaa;padding:7px 12px}.browser-body{padding:26px;min-height:440px}.results article{padding:18px 0;border-bottom:1px solid #ddd}.results a{font-size:19px;color:#144f91}.results small{color:#44713e}.fake-bookmarks{background:#f4f1eb;padding:8px 14px;border-bottom:1px solid #ccc;font-size:13px}.fake-bookmarks details{display:inline-block;margin-right:15px}.fake-bookmarks a{margin-right:12px}
.searchbar{display:flex;gap:8px;max-width:760px}.searchbar input{flex:1}.field,input,select,textarea{width:100%;border:1px solid #9c958a;background:#fff;padding:11px 12px}.form-row{display:grid;grid-template-columns:1fr auto;gap:10px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-group{background:#f7f4ed;border:1px solid #d1cabd;padding:14px}.form-group label{font-size:13px;color:#666;display:block;margin-bottom:5px}.checkline{display:flex;gap:10px;align-items:flex-start;margin:8px 0}.checkline input{width:auto;margin-top:6px}
.tape{background:#d9d2c4;border:1px solid #837a6d;border-radius:14px;padding:20px;box-shadow:inset 0 0 0 7px #ece8df}.tape-window{background:#1c1b19;color:#d7c078;padding:12px;font-family:monospace}.wave{height:80px;display:flex;align-items:center;gap:3px;background:#101416;padding:10px;overflow:hidden}.wave i{display:block;width:4px;background:#d7c078;border-radius:3px;height:var(--h)}.audio-box{background:#202325;color:#eee;padding:18px}.audio-box audio{width:100%}.transcript{background:#f7f2e7;padding:18px;border-left:4px solid var(--gold);margin-top:12px}
.site-head{padding:20px max(22px,calc((100vw - 1120px)/2));color:white}.official{background:#174b78}.bus-head{background:#1d684e}.school-head{background:#6f4a2d}.archive-head{background:#5b5144}.portal-head{background:#24364b}.site-body{width:min(1100px,calc(100% - 36px));margin:auto;padding:30px 0 70px}.site-body h1{font-size:32px}.seal{display:inline-block;border:3px double #ae2c28;color:#ae2c28;padding:4px 10px;transform:rotate(-4deg);font-weight:bold}
.forum{background:#f5f6f7}.thread{background:#fff;border:1px solid #d7d9dc;margin-bottom:12px;padding:18px}.thread .user{color:#46637b;font-weight:bold}.thread time{color:#999;font-size:12px;margin-left:10px}
.suspects{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.suspect{background:#fff;border:1px solid #c9c2b6;padding:15px}.avatar{height:120px;display:grid;place-items:center;background:linear-gradient(135deg,#d8d3c8,#a9a399);font-family:"Songti SC";font-size:44px;color:#4d4a45;filter:grayscale(.2)}.suspect b{display:block;font-size:18px;margin-top:10px}.suspect small{color:#777}
.timeline{display:grid;gap:9px}.timeline-item{display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:12px;background:#fff;border:1px solid #c8c1b6;padding:13px}.timeline-item time{font-family:monospace;color:var(--red);font-weight:bold}.timeline-item button{width:38px;height:34px;background:#eee;border:1px solid #aaa;cursor:pointer}
.evidence-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.evidence{background:#fff;border-left:5px solid var(--navy);padding:14px}.evidence code{display:block;color:var(--red);font-weight:bold}.locked{opacity:.48;filter:grayscale(1)}
.verdict{background:#efe9dc;padding:22px;border:1px solid #bcb2a0}.verdict .form-group{background:white}.error{color:#a52220;font-weight:bold}.success{color:#246349;font-weight:bold}
.ending{min-height:100vh;background:#0e1113;color:#eee;padding:70px 0}.ending .page{padding-top:0}.ending h1{color:white}.ending .truth{font-size:20px;border-left:5px solid #b13a34;padding-left:20px;max-width:820px}
.notebook-link{position:fixed;right:18px;bottom:18px;background:#161616;color:white;text-decoration:none;padding:12px 15px;box-shadow:var(--shadow);z-index:20}.progress{height:5px;background:#ddd}.progress i{display:block;height:100%;background:var(--red);width:var(--w)}
@media(max-width:850px){.grid,.grid.two,.grid.four,.suspects{grid-template-columns:1fr 1fr}.desktop-icons{grid-template-columns:repeat(3,90px);gap:20px}.desktop-icon span{width:60px;height:60px}.form-grid{grid-template-columns:1fr}.hero-inner{padding-bottom:55px}.hero p{font-size:17px}.page{padding-top:28px}.timeline-item{grid-template-columns:70px 1fr}.timeline-item>div:last-child{grid-column:2}.evidence-list{grid-template-columns:1fr}}
@media(max-width:520px){.mast{padding:0 14px}.mast small{display:none}.nav{padding:9px 12px;overflow-x:auto;flex-wrap:nowrap}.nav a{white-space:nowrap}.page,.site-body{width:min(100% - 24px,1180px)}.grid,.grid.two,.grid.four,.suspects{grid-template-columns:1fr}.hero h1{font-size:54px}.hero:before{background:linear-gradient(0deg,rgba(0,0,0,.9),rgba(0,0,0,.25)),url('img/radio-exterior.webp') 62% center/cover}.desktop{padding:20px 10px}.desktop-icons{grid-template-columns:repeat(3,1fr)}.desktop-icon{font-size:12px}.form-row{grid-template-columns:1fr}.scene-note{font-size:14px}.marker{width:42px;height:42px}.doc{padding:20px 14px}.doc:before{display:none}.records{display:block;overflow-x:auto}.searchbar{flex-direction:column}.notebook-link{right:10px;bottom:10px}.browser-body{padding:18px}.tape{min-width:0;overflow:hidden}.tape h3{overflow-wrap:anywhere}.tape audio{max-width:100%}}
/* Final edition refinements */
.realistic{position:relative;padding-bottom:84px;background:linear-gradient(150deg,#31546a,#183548 68%,#132c3c)}
.realistic:before{content:"LJ RADIO";position:absolute;right:35px;top:25px;color:rgba(255,255,255,.08);font-size:80px;font-weight:900;letter-spacing:.08em}.taskbar{position:absolute;left:0;right:0;bottom:0;height:45px;background:rgba(10,17,22,.92);color:#dce6eb;display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-size:13px}.desktop-icon:hover{background:rgba(255,255,255,.12)}
.mail-list{border:1px solid #c8c1b7;background:#fff}.mail-list details{border-bottom:1px solid #ddd}.mail-list summary{display:flex;justify-content:space-between;gap:20px;padding:16px 18px;cursor:pointer}.mail-list details p{margin:0;padding:6px 20px 22px;color:#48433d}.mail-list code,.doc code{background:#152936;color:#eef5f8;padding:2px 7px;overflow-wrap:anywhere}.file-row{background:white;border:1px solid #c9c3b8;padding:18px;margin-bottom:12px}.file-row span{float:right;color:#777;font-size:13px}.result-space{margin-top:22px;min-height:90px}.highlight{background:#fff0d8!important}.rack{background:#ded6c6;border:5px solid #5e5244;padding:24px;box-shadow:inset 0 0 0 2px #a69a87}.mini-form{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.mini-form label,.mini-form button,.mini-form+div{grid-column:1/-1}.cut-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin:15px 0}.cut-grid label{background:#fff;border:1px solid #bbb;padding:9px;text-align:center}.cut-grid input{width:auto;margin-right:5px}.frame{background:#151a1d;color:#e7e2d9;padding:24px;border-top:5px solid #a42d28}.frame li{margin:8px 0}.time-form{display:grid;gap:10px}.time-form label{display:grid;grid-template-columns:1fr 180px;align-items:center;gap:15px;background:white;border:1px solid #d0c8bb;padding:12px}.conclusions{display:grid;gap:16px}.conclusion{background:#fff;border:1px solid #c7beb0;padding:18px}.conclusion h3{margin-top:0}.proof-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.phone-ui{background:#e7f0ec;border:8px solid #202427;border-radius:26px;padding:26px 18px;margin-bottom:18px}.chat{max-width:78%;padding:12px 15px;border-radius:15px;margin:10px 0}.chat.in{background:white}.voice-note{background:#9bc8a4;padding:16px;border-radius:14px;margin:18px 0 0 auto;max-width:82%}.empty-search{padding:40px 0}.evidence p{margin-bottom:0}.evidence b{display:block;font-size:17px}
@media(max-width:700px){.mini-form,.cut-grid{grid-template-columns:1fr 1fr}.proof-pair{grid-template-columns:1fr}.time-form label{grid-template-columns:1fr}.file-row span{float:none;display:block}.realistic:before{font-size:40px}.desktop-icons{grid-template-columns:repeat(2,1fr)}}
/* Expanded investigation spaces */
.location-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.location-grid a{background:#fff;border:1px solid #c8c1b6;text-decoration:none;box-shadow:0 5px 16px rgba(0,0,0,.08);overflow:hidden}.location-grid img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;filter:saturate(.82)}.location-grid b,.location-grid span{display:block;padding:0 16px}.location-grid b{font-size:20px;padding-top:13px}.location-grid span{font-size:13px;color:#716a60;padding-bottom:15px}.location-grid a:hover{transform:translateY(-3px)}.expanded-photo .evidence-img{aspect-ratio:16/9;object-fit:cover}.witness-note{background:#fffaf0;border:1px solid #cdbf9f;padding:22px 26px;margin:20px 0;font-family:"Songti SC","STSong",serif;font-size:19px;box-shadow:0 5px 15px rgba(0,0,0,.05)}.witness-note b{color:#8c2b27}.route-steps{display:grid;grid-template-columns:1fr 1fr;gap:10px}.route-steps label{background:#fff;border:1px solid #ccc;padding:10px}.route-steps select{margin-top:6px}.scene-wrap .marker{z-index:2}
@media(max-width:850px){.location-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.location-grid,.route-steps{grid-template-columns:1fr}.expanded-photo{margin-left:-12px;margin-right:-12px}.expanded-photo .evidence-img{border-width:4px}.witness-note{padding:18px}}

/* Large ARG edition */
.case-photo{display:block;width:100%;max-height:760px;object-fit:cover;margin:24px 0;border:9px solid #fff;box-shadow:var(--shadow)}
.photo-caption{margin-top:-15px}.chapter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}.chapter-grid article{position:relative;min-height:245px;background:#fff;border:1px solid #c7c0b3;padding:28px;box-shadow:0 8px 20px rgba(0,0,0,.07)}.chapter-grid article:before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:#8a8174}.chapter-grid article.done:before{background:#2b6b55}.chapter-grid article>span{color:#8b2b28;font-weight:800;letter-spacing:.15em}.chapter-grid article h2{margin:12px 0;font-family:"Songti SC",serif}.chapter-grid article>a{position:absolute;right:25px;bottom:22px;font-weight:800}.chapter-state{position:absolute;left:28px;bottom:25px;color:#8a8174}.done .chapter-state{color:#2b6b55}.chapter-grid.compact{grid-template-columns:repeat(4,1fr)}.chapter-grid.compact article{min-height:120px}.chapter-grid.compact .chapter-state{left:28px}
.phrase-board{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:25px 0}.phrase-board>div{background:#fff;border:1px solid #c8c1b5;padding:18px}.phrase-board b{display:block;font-size:28px;color:#9f2624}.phrase-board span{display:block;font-family:"Songti SC",serif;font-size:19px;margin:8px 0}.phrase-board small{color:#777}
.dtmf{display:grid;grid-template-columns:100px repeat(3,1fr);gap:3px;background:#20282d;color:#fff;padding:14px;margin:20px 0}.dtmf>*{padding:12px;text-align:center;background:#354149}.dtmf b{color:#edd083}.dtmf span{font-size:22px}
.public-page{margin:0;background:#f4f1ea;color:#222}.public-head{display:flex;justify-content:space-between;padding:22px max(24px,calc((100vw - 1160px)/2));background:#6b2e26;color:white;border-bottom:7px solid #c9aa70}.public-head b{font-family:"Songti SC",serif;font-size:25px}.public-head span{opacity:.8}.public-body{width:min(1120px,calc(100% - 36px));margin:auto;padding:40px 0 90px}.public-body h1{font-family:"Songti SC",serif;font-size:42px}.public-photo{width:100%;max-height:670px;object-fit:cover;border:12px solid white;box-shadow:var(--shadow);margin:20px 0}.archive-public .public-head{background:#5e3423}.cinema-public .public-head{background:#55292d}.school-public .public-head{background:#356044}.map-public .public-head{background:#455f72}.telecom-public .public-head{background:#355263}.news-public .public-head{background:#7a1e1e}.archive-banner{background:#e8ddc7;border-top:6px solid #7b563a;padding:28px}.archive-search{display:flex;gap:10px;background:#fff;padding:20px;border:1px solid #c9c0b0;margin:25px 0}.archive-search label{flex:1}.archive-search input{flex:1}.archive-search button,.public-body button{border:0;background:#6b2e26;color:#fff;padding:11px 18px;font-weight:700}.archive-results article{background:#fff;border-bottom:1px solid #ddd;padding:18px}.archive-results a{font-size:20px;color:#7a251d;display:block}.archive-results small{color:#777}.columns{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.columns article{background:#fff;padding:24px;border-top:5px solid #7a251d}.public-table{width:100%;border-collapse:collapse;background:white}.public-table th,.public-table td{border:1px solid #bbb;padding:15px;text-align:left}.newspaper-columns{column-count:3;column-gap:38px;background:#efe3c9;padding:28px;font-family:"Songti SC",serif;font-size:19px}.map-paper{position:relative;aspect-ratio:16/9;background:#eee6d1;box-shadow:inset 0 0 50px #aa9e82;border:1px solid #9a8d72;margin:20px 0;overflow:hidden}.map-paper:before,.map-paper:after{content:"";position:absolute;background:#97a7af;transform:rotate(-8deg)}.map-paper:before{width:130%;height:38px;left:-10%;top:54%}.map-paper:after{width:38px;height:130%;left:48%;top:-10%}.map-paper span{position:absolute;z-index:2;background:#fff7d8;border:1px solid #71664f;padding:7px 10px}.map-paper .road{position:absolute;border-top:4px dashed #b96547;width:70%;left:12%;top:35%;transform:rotate(15deg)}.map-paper .r2{top:68%;transform:rotate(-18deg)}
.phone-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.phone-grid a{display:flex;flex-direction:column;min-height:150px;background:#e7eee9;border:1px solid #aab5ad;border-radius:24px;padding:28px;text-decoration:none;box-shadow:0 7px 20px rgba(0,0,0,.08)}.phone-grid b{font-size:25px}.phone-grid span{color:#5e665f;margin-top:8px}.phone-shell{max-width:620px;margin:auto;background:#eef2ef;border:13px solid #222;border-radius:42px;overflow:hidden;box-shadow:var(--shadow)}.phone-shell>header{background:#1f2522;color:#fff;display:flex;justify-content:space-between;padding:18px 26px}.phone-shell>img{width:100%;max-height:310px;object-fit:cover}.phone-lock,.phone-content{padding:28px}.phone-lock h1{font-size:32px}.phone-content nav{display:flex;gap:8px;border-bottom:1px solid #aeb8b1;margin-bottom:20px}.phone-content nav button{flex:1;background:transparent;border:0;border-bottom:3px solid transparent;padding:10px;cursor:pointer}.phone-content nav button:hover{border-color:#2c6451}.phone-content .chat.out{margin-left:auto;background:#95caa8}.phone-content img{width:100%}
.pager-screen{background:#7f9b76;color:#172216;border:18px solid #31342f;border-radius:12px;padding:35px;font:700 28px/1.8 monospace;letter-spacing:.08em;box-shadow:inset 0 0 20px #44533f,var(--shadow);margin:25px 0}.matrix{display:grid;gap:16px}.matrix section{display:grid;grid-template-columns:160px repeat(3,1fr);gap:12px;background:#fff;border:1px solid #c9c1b5;padding:18px}.matrix h2{margin:0}.locked-link{pointer-events:none;opacity:.38;filter:grayscale(1)}
@media(max-width:900px){.chapter-grid.compact{grid-template-columns:1fr 1fr}.phrase-board{grid-template-columns:1fr 1fr}.matrix section{grid-template-columns:1fr}.newspaper-columns{column-count:2}}
@media(max-width:600px){.chapter-grid,.chapter-grid.compact,.phone-grid,.columns{grid-template-columns:1fr}.phrase-board{grid-template-columns:1fr}.newspaper-columns{column-count:1}.archive-search{flex-direction:column}.public-body h1{font-size:34px}.phone-shell{border-width:7px;border-radius:24px;margin-left:-6px;margin-right:-6px}.case-photo,.public-photo{border-width:4px}.dtmf{grid-template-columns:70px repeat(3,1fr);font-size:12px}.matrix section{padding:12px}.pager-screen{font-size:19px;padding:20px}}