:root{color-scheme:dark;--bg:#0c1519;--panel:#152126;--surface:#1b2a2f;--line:#314046;--text:#f0f0e9;--muted:#a3b3b6;--gold:#efba64;--mint:#80d8bf;--serif:'Songti SC','Noto Serif CJK SC','STSong',serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.3}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:5px}button{color:inherit}a{color:inherit;text-decoration:none}.app-shell{max-width:1640px;margin:auto;padding:0 42px}.topbar{height:96px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:17px;letter-spacing:2px}.brand-mark{border:1px solid 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var(--line)}.stage{position:relative;overflow:hidden;background:#1c2b30;min-height:780px;isolation:isolate}.scene-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:58% center;z-index:-3}.stage-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,18,21,.78),rgba(9,18,21,.18) 28%,transparent 40%,rgba(9,18,21,.14) 58%,#0c171cf5 100%);z-index:-1}.stage-top{padding:26px 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}.series{color:#c8d4d4;font:11px/1.5 var(--sans);letter-spacing:2px}.night-label{font-size:11px;letter-spacing:1px;color:#c9cec8}.stage-title{padding:24px 36px}.eyebrow{font-size:13px;letter-spacing:3px;color:#e2cba6;margin:0 0 14px}.stage-title h1{font-family:var(--serif);font-weight:900;font-size:clamp(58px,5.3vw,88px);letter-spacing:9px;line-height:1.16;margin:0;text-shadow:0 3px 28px #0006}.stage-title h1 span{display:block;font-size:clamp(24px,2.5vw,38px);letter-spacing:4px;margin-top:10px;white-space:nowrap}.stage-sub{font-size:14px;letter-spacing:2px;color:#dee4dd;margin-top:20px}.stage-bottom{position:absolute;bottom:32px;left:32px;right:32px;display:flex;gap:18px;align-items:center}.chapter-big{font:64px/.95 Georgia,serif;color:var(--gold)}.stage-caption{font-size:11px;letter-spacing:2px;color:var(--muted)}.stage-bottom p{font-size:16px;margin:7px 0 0;letter-spacing:1px}.time{margin-left:auto;color:#bfcac7;font-size:13px;font-variant-numeric:tabular-nums;align-self:end}.play-panel{background:var(--panel);padding:28px 36px 18px;min-width:0;display:flex;flex-direction:column}.play-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px}.chapter-nav{display:flex;gap:8px;align-items:center}.chapter-node{width:26px;height:3px;background:#3a484c;transition:background .3s}.chapter-node.current{background:var(--gold)}.chapter-node.done{background:#809b91}.decision-count{font:12px var(--sans);letter-spacing:2px;color:var(--muted)}.status-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}.route-header{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);gap:8px}.route-num{font-size:14px;font-variant-numeric:tabular-nums}.route-track{height:2px;background:#334247;margin-top:8px}.route-fill{height:100%;transition:width .5s}.game{flex:1;padding:25px 0 22px}.scene-meta{font-size:12px;color:var(--gold);letter-spacing:2px;margin-bottom:12px}.scene-title{font:600 clamp(25px,2.35vw,36px)/1.45 var(--serif);letter-spacing:1px;margin:0 0 22px;outline:none}.scene-title span{display:block}.narrative{color:#c4cfd0;font-size:16px;line-height:1.92}.narrative p{margin:0 0 14px}.narrative p:last-child{color:#e5e8e3}.narrative 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14px;color:#f4cb89}.ending-sub{color:#c0ceca;font-size:15px;margin-bottom:25px}.ending-quote{font:600 23px/1.8 var(--serif);border-left:2px solid var(--gold);padding:4px 18px;margin:28px 0;color:var(--text);white-space:pre-line}.ending-reason{font-size:13px;padding:15px 18px;background:#223237;color:#afc2bf;line-height:1.8}.ending-actions{display:grid;gap:10px;margin-top:25px}.secondary-btn{width:100%;border:1px solid var(--line);background:none;padding:13px;color:var(--muted);font-size:14px}.secondary-btn:hover{border-color:var(--gold);color:var(--gold)}dialog{background:#17262b;color:var(--text);border:1px solid #576264;width:min(580px,calc(100vw - 32px));max-height:85dvh;padding:28px;box-shadow:0 30px 100px #0009}dialog::backdrop{background:#061013da;backdrop-filter:blur(5px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px;font-size:14px;letter-spacing:2px}.dialog-title{font:600 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46%}.stage-shade{background:linear-gradient(90deg,#0c171cbf,transparent 75%),linear-gradient(0deg,#0c171c,transparent 40%,#0c171c45)}.stage-top{padding:18px 22px}.stage-title{padding:12px 24px}.eyebrow{font-size:12px;letter-spacing:2px}.stage-title h1{font-size:57px;letter-spacing:6px}.stage-title h1 span{font-size:26px;letter-spacing:3px}.stage-sub{font-size:12px;margin-top:14px}.stage-bottom{bottom:20px;left:24px;right:24px;gap:13px}.chapter-big{font-size:41px}.stage-bottom p{font-size:14px;margin-top:2px}.stage-caption{font-size:10px}.play-panel{padding:24px}.scene-title{font-size:29px}.status-strip{gap:22px}.game{padding-top:24px}.page-footer{font-size:10px;letter-spacing:0;flex-direction:column;gap:5px}.keyboard-hint{display:none}.play-footer .text-btn{font-size:13px}.win-stamp{font-size:49px}.outcome-text{font-size:16px}}@media(max-width:420px){.app-shell{padding:0 10px}.top-actions{gap:9px}.brand-en{letter-spacing:1px}.play-panel{padding:22px 17px 14px}.stage{height:330px}.stage-title h1{font-size:48px}.stage-title h1 span{font-size:24px}.eyebrow{font-size:11px}.stage-sub{font-size:11px}.stage-bottom{bottom:18px}.scene-title{font-size:27px}.choice{padding:14px 12px;grid-template-columns:23px 1fr 14px;gap:7px}.choice-main{font-size:15px}.status-strip{gap:12px}.route-header{font-size:11px}.topbar .square-btn{padding:5px 6px}.scene-meta{font-size:11px;letter-spacing:1px}.decision-count{font-size:11px}.chapter-node{width:21px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.choice:disabled{opacity:.52;transform:none;background:#142024;border-color:#2e3b40}.choice:disabled .choice-key{color:#829596}.choice:disabled .choice-hint{color:#b4bec0}.time{max-width:135px;text-align:right;font-size:12px}.ending-reason strong{color:var(--gold);font-weight:500}
.chapter-nav{gap:5px;flex-shrink:1}.chapter-node{width:18px;flex-shrink:1}.scene-objective{border-left:2px solid var(--gold);background:#d9a64f0b;padding:12px 16px;margin:0 0 22px;font-size:15px;line-height:1.8;color:#eadbc1}.scene-objective>span{display:block;color:var(--gold);font-size:11px;letter-spacing:2px;margin-bottom:4px}.evidence-board{margin:24px 0;padding:18px;background:#101c21;border:1px solid #405054}.evidence-board>p{font-size:12px;color:var(--gold);letter-spacing:2px;margin:0 0 12px}.evidence-item{border-top:1px solid var(--line)}.evidence-item summary{cursor:pointer;padding:14px 0;display:flex;justify-content:space-between;gap:12px;font-size:15px;list-style:none}.evidence-item summary::-webkit-details-marker{display:none}.evidence-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.evidence-item summary span{color:var(--gold)}.evidence-item[open] summary{color:var(--gold)}.evidence-item>div{font-size:15px;line-height:1.9;color:#c4d0cd;padding:0 0 16px}#evidence-status{display:block;color:#91aaa3;font-size:12px;margin-top:10px}.choice:disabled .choice-hint{opacity:1}.decision-count{white-space:nowrap}@media(max-width:420px){.chapter-nav{gap:4px}.chapter-node{width:13px}.scene-objective{padding:10px 12px}.evidence-board{padding:14px}}

.author-credit{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px 20px;padding:14px 0 0;font-size:14px;color:var(--muted)}.author-credit button{background:none;border:0;color:var(--gold);padding:8px 0;text-align:left;font-size:14px;line-height:1.7}.author-credit button>span{color:var(--muted)}.author-credit button:hover{color:#ffdc9f;text-decoration:underline;text-underline-offset:5px}.author-credit .author-more{font-size:14px}.author-card{display:block}.author-card img{display:block;width:100%;height:auto;border-radius:8px;background:white}.dialog-copy strong{color:var(--gold)}@media(max-width:820px){.author-credit{justify-content:flex-start;gap:0 16px;padding-top:10px}.author-credit button{padding-block:6px}.author-more{display:block}}

.stage-title h1.game-name{line-height:1.2}.stage-title h1.game-name .name-prefix{font-size:26px;letter-spacing:5px;margin:0 0 10px}.stage-title h1.game-name .name-main{font-size:clamp(38px,4.2vw,68px);letter-spacing:3px;margin:0;white-space:normal}@media(max-width:820px){.stage-title h1.game-name .name-main{font-size:48px}.stage-title h1.game-name .name-prefix{font-size:24px}}@media(max-width:420px){.stage-title h1.game-name .name-main{font-size:42px;letter-spacing:2px}.stage-title h1.game-name .name-prefix{font-size:22px}}

.sound-control{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sound-control [hidden]{display:none!important}#sound-status{font-size:12px;color:var(--gold)}@media(max-width:820px){.sound-control{max-width:120px;gap:2px}.top-actions{gap:8px}#sound-status{font-size:11px}}

.stage-title .author-credit{justify-content:flex-start;align-items:flex-start;display:flex;flex-direction:column;gap:2px;padding:10px 12px;margin-top:14px;width:fit-content;max-width:100%;background:#0c171cdd;border-left:2px solid var(--gold);text-shadow:none;letter-spacing:0;color:#d5dfdc}.stage-title .author-credit button{padding:2px 0;line-height:1.65}.stage-title .author-more{display:block;color:#bdcdca}@media(max-width:820px){.stage{height:470px}.stage-title .author-credit{margin-top:10px;font-size:14px}.stage-title .stage-sub{margin-bottom:8px}}@media(max-width:420px){.stage{height:440px}}

.stage-title .author-credit{width:100%;max-width:390px;padding:18px 20px;margin-top:18px;background:#101e24f5;border:1px solid #a98145;border-left:5px solid var(--gold);box-shadow:0 8px 28px #0004;gap:8px}.stage-title .creator-label{font-size:18px;font-weight:600;color:#fff0d8;letter-spacing:1px}.stage-title .author-credit button{display:block;width:100%;padding:0;text-decoration:none}.stage-title .author-credit .creator-platform{display:block;font-size:14px;color:#bdcdca;margin-bottom:2px}.stage-title .author-credit .creator-name{display:block;font-size:clamp(25px,2.5vw,34px);font-weight:800;line-height:1.4;letter-spacing:1px;color:#ffd28d}.stage-title .author-credit .author-more{display:block;font-size:14px;line-height:1.7;margin-top:10px;color:#f0e5d0}.stage-title .author-credit button:hover .creator-name{color:#ffe7be}.stage-title .author-credit button:hover .author-more{text-decoration:underline;text-underline-offset:4px}@media(max-width:820px){.stage{height:560px}.stage-title .author-credit{max-width:360px;padding:16px 18px;margin-top:14px}.stage-title .author-credit .creator-name{font-size:30px}}@media(max-width:420px){.stage{height:540px}.stage-title .author-credit{padding:14px;max-width:100%}.stage-title .creator-label{font-size:17px}.stage-title .author-credit .creator-name{font-size:27px;letter-spacing:0}.stage-title .author-credit .author-more{font-size:14px}}

.stage-title .author-credit{background:transparent;border:0;box-shadow:none;padding-left:0;padding-right:0;text-shadow:0 2px 5px #000,0 0 18px #0009}

.play-footer{position:sticky;bottom:0;z-index:3;background:var(--panel);padding-bottom:10px;box-shadow:0 -10px 18px var(--panel)}.play-footer #undo-btn{font-size:15px;color:var(--gold);font-weight:600;padding:12px 0}.rechoose-btn{margin:0 0 12px;color:var(--gold);border-color:#75613e;padding:14px}