[hidden]{display:none!important}
:root{
  --ink:#0b1020; --ink2:#141c33; --paper:#f3ecdd; --gold:#e9c98a; --gold2:#c9a765;
  --jade:#8fd5bd; --muted:#a9b3c9; --line:rgba(233,201,138,.22);
  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--ink);color:var(--paper);font-family:var(--sans)}
body{user-select:none;overscroll-behavior:none}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}
#vignette{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse 78% 72% at 50% 46%,transparent 40%,rgba(5,8,18,.58) 100%)}
#grain{position:fixed;inset:0;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
.screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:20;background:linear-gradient(160deg,rgba(8,12,26,.92),rgba(14,22,42,.86))}
.screen.overlay{background:rgba(6,10,22,.72)}
/* 必须 !important：#photoBar 自身写了 display:flex（id 优先级高于 class），
   且动态创建的 #timeBar 带内联 display，普通 .hidden 压不住 → 会常驻并互相重叠。 */
.hidden{display:none!important}

/* ---------- boot ---------- */
#boot{background:radial-gradient(ellipse at 50% 40%,#1b2748 0%,#0b1020 62%,#060a15 100%)}
.boot-inner{text-align:center;transform:translateY(-4vh)}
.seal{width:64px;height:64px;line-height:60px;margin:0 auto 26px;border:1px solid var(--gold2);border-radius:6px;font-family:var(--serif);font-size:34px;color:var(--gold);box-shadow:0 0 34px rgba(233,201,138,.16) inset}
.boot-inner h1{font-family:var(--serif);font-weight:400;font-size:38px;letter-spacing:.22em;margin:0 0 10px;color:var(--paper)}
.boot-inner h1 span{font-size:20px;letter-spacing:.16em;color:var(--gold)}
.boot-sub{margin:0 0 42px;font-size:13px;letter-spacing:.32em;color:var(--muted)}
.boot-bar{width:210px;height:2px;margin:0 auto;background:rgba(255,255,255,.12);overflow:hidden}
.boot-bar i{display:block;height:100%;width:0;background:var(--gold);transition:width .3s ease}
.boot-tip{font-size:12px;color:var(--muted);margin:14px 0 0;letter-spacing:.1em;min-height:18px}
.credit{position:fixed;bottom:26px;left:0;right:0;text-align:center;font-size:11px;color:rgba(169,179,201,.6);letter-spacing:.1em}

/* ---------- menu ---------- */
#menu{background:linear-gradient(105deg,rgba(7,11,24,.94) 0%,rgba(7,11,24,.72) 42%,rgba(7,11,24,.16) 100%)}
.menu-inner{position:absolute;left:min(11vw,150px);top:50%;transform:translateY(-50%);max-width:440px}
.menu-mark{font-family:var(--serif);font-size:13px;letter-spacing:.5em;color:var(--gold);border-left:2px solid var(--gold2);padding-left:12px}
.menu-en{font-size:9px;letter-spacing:.34em;color:var(--muted);margin:22px 0 8px}
.menu-title{font-family:var(--serif);font-weight:400;font-size:clamp(52px,7vw,88px);letter-spacing:.18em;margin:0 0 22px;line-height:1.1;text-shadow:0 6px 40px rgba(0,0,0,.5)}
.menu-desc{font-family:var(--serif);font-size:15px;line-height:2.1;color:#d8d2c4;margin:0 0 40px;letter-spacing:.08em}
.menu-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.menu-foot{font-size:11px;color:var(--muted);margin-top:34px;letter-spacing:.06em}
.menu-side{position:absolute;right:28px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;display:flex;gap:22px;font-family:var(--serif);font-size:12px;letter-spacing:.4em;color:rgba(233,201,138,.55)}

/* ---------- buttons ---------- */
.btn{appearance:none;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--paper);font-family:var(--sans);font-size:13px;letter-spacing:.14em;padding:13px 30px;min-width:190px;cursor:pointer;border-radius:2px;transition:background .2s,border-color .2s,transform .12s}
.btn:hover{background:rgba(233,201,138,.12);border-color:rgba(233,201,138,.6)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--gold);border-color:var(--gold);color:#1a1409}
.btn.primary:hover{background:#f4dcae}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);min-width:0;padding-left:0}
.btn.ghost:hover{color:var(--gold);background:transparent}
.btn.small{min-width:0;padding:9px 20px;font-size:12px}
.btn.tiny{min-width:0;padding:7px 15px;font-size:11px}
.icon-btn{appearance:none;width:36px;height:36px;border:1px solid var(--line);background:rgba(10,16,32,.5);color:var(--paper);font-size:17px;line-height:1;cursor:pointer;border-radius:50%;display:grid;place-items:center;transition:background .2s}
.icon-btn:hover{background:rgba(233,201,138,.2)}

/* ---------- panels ---------- */
.panel{width:min(460px,92vw);max-height:88vh;overflow:auto;background:linear-gradient(160deg,rgba(20,28,51,.97),rgba(12,18,35,.97));border:1px solid var(--line);border-radius:4px;padding:28px 30px 22px;box-shadow:0 30px 90px rgba(0,0,0,.5)}
.panel.wide{width:min(880px,94vw)}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.panel h2{font-family:var(--serif);font-weight:400;font-size:24px;letter-spacing:.18em;margin:0 0 6px}
.sub{font-size:11px;color:var(--muted);margin:0;letter-spacing:.08em;line-height:1.8}
.panel-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:var(--muted)}
.setting-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}
.setting-row label{color:#d8d2c4;letter-spacing:.08em}
.setting-row select,.setting-row input[type=range]{accent-color:var(--gold2);background:transparent;color:var(--paper);border:1px solid var(--line);padding:6px 10px;font-family:var(--sans)}
.setting-row input[type=range]{border:0;width:150px}
.setting-row input[type=checkbox]{accent-color:var(--gold2);width:17px;height:17px}
.keys{margin-top:20px;color:var(--muted);font-size:11px;line-height:2.2}
kbd{font-family:var(--sans);border:1px solid var(--line);border-radius:3px;padding:1px 6px;margin-right:3px;color:var(--gold)}

/* ---------- chapters ---------- */
.chapter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.ch-card{position:relative;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);padding:18px 16px 16px;cursor:pointer;min-height:172px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .2s,background .2s,transform .2s;overflow:hidden}
.ch-card:hover{border-color:rgba(233,201,138,.65);background:rgba(233,201,138,.07);transform:translateY(-3px)}
.ch-card .idx{font-family:var(--serif);font-size:11px;color:var(--gold2);letter-spacing:.2em}
.ch-card h3{font-family:var(--serif);font-weight:400;font-size:22px;letter-spacing:.14em;margin:8px 0 4px}
.ch-card .hui{font-size:10px;color:var(--muted);line-height:1.7;letter-spacing:.04em}
.ch-card .tag{font-size:10px;color:var(--jade);margin-top:14px;letter-spacing:.1em}
.ch-card.locked{opacity:.62}
.ch-card.locked .tag{color:var(--gold)}
.ch-card .swatch{position:absolute;right:-26px;top:-26px;width:90px;height:90px;border-radius:50%;filter:blur(22px);opacity:.42}
.ch-card.done .tag{color:var(--jade)}

/* ---------- hud ---------- */
#hud{position:fixed;inset:0;z-index:10;pointer-events:none}
#hud button{pointer-events:auto}
.hud-top{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:26px 30px}
.hud-chapter{display:flex;flex-direction:column;gap:3px;text-shadow:0 2px 16px rgba(0,0,0,.8)}
.hud-chapter small{font-size:10px;color:var(--gold);letter-spacing:.28em}
.hud-chapter strong{font-family:var(--serif);font-weight:400;font-size:27px;letter-spacing:.2em}
.hud-chapter em{font-family:var(--serif);font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.1em}
.hud-tools{display:flex;gap:8px}
.hud-hint{position:absolute;bottom:92px;left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:.14em;color:rgba(243,236,221,.72);text-shadow:0 2px 12px #000;transition:opacity .4s;text-align:center;max-width:80vw}
.hud-goal{position:absolute;top:96px;left:30px;display:flex;align-items:center;gap:9px;font-size:11px;color:var(--gold);letter-spacing:.12em;text-shadow:0 2px 10px #000}
.hud-goal i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.hud-bottom{position:absolute;bottom:28px;left:30px;right:30px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
#hudQuote{font-family:var(--serif);font-size:12px;color:rgba(243,236,221,.62);letter-spacing:.1em;text-shadow:0 2px 12px #000;max-width:70%}

/* ---------- dialogue ---------- */
#dialogue{position:fixed;left:50%;bottom:76px;transform:translateX(-50%);width:min(700px,88vw);z-index:14;pointer-events:auto;cursor:pointer}
.dlg-box{position:relative;background:linear-gradient(140deg,rgba(12,18,36,.93),rgba(18,26,48,.93));border:1px solid var(--line);border-left:2px solid var(--gold2);padding:20px 26px 22px;box-shadow:0 18px 60px rgba(0,0,0,.5);border-radius:2px}
.dlg-who{display:inline-block;font-family:var(--serif);font-size:11px;color:var(--gold);letter-spacing:.24em;margin-bottom:9px}
#dlgText{font-family:var(--serif);font-size:15px;line-height:2;letter-spacing:.06em;margin:0;min-height:30px;color:#f0e9da}
.dlg-next{position:absolute;right:16px;bottom:10px;color:var(--gold);font-size:13px;animation:bob 1.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(4px);opacity:1}}
.reduce-motion .dlg-next{animation:none}

/* ---------- touch / photo / toast ---------- */
#touch{position:fixed;inset:0;z-index:12;pointer-events:none}
.stick{position:absolute;left:26px;bottom:34px;width:112px;height:112px;border:1px solid var(--line);border-radius:50%;background:rgba(10,16,32,.3);pointer-events:auto;display:grid;place-items:center}
.stick i{width:44px;height:44px;border-radius:50%;background:rgba(233,201,138,.35);border:1px solid var(--gold2);display:block;transform:translate(0,0)}
.touch-act{position:absolute;right:28px;bottom:52px;width:78px;height:78px;border-radius:50%;border:1px solid var(--gold2);background:rgba(233,201,138,.14);color:var(--paper);font-size:13px;letter-spacing:.1em;pointer-events:auto}
#photoBar{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:16;display:flex;align-items:center;gap:10px;background:rgba(10,16,32,.9);border:1px solid var(--line);padding:10px 14px;font-size:11px;letter-spacing:.1em;color:var(--muted)}
#timeBar{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:13;display:flex;align-items:center;gap:12px;padding:10px 18px;background:rgba(10,16,32,.86);border:1px solid var(--line);font-size:11px;letter-spacing:.1em;color:var(--muted);pointer-events:auto}
#timeBar input[type=range]{width:min(38vw,260px);accent-color:var(--gold2)}
#toast{position:fixed;top:26px;left:50%;transform:translateX(-50%);z-index:40;background:rgba(12,18,36,.95);border:1px solid var(--line);color:var(--paper);padding:12px 22px;font-size:12px;letter-spacing:.1em;box-shadow:0 10px 40px rgba(0,0,0,.4)}

@media (max-width:720px){
  .menu-inner{left:8vw;right:8vw;top:auto;bottom:12vh;transform:none;max-width:none}
  .menu-title{font-size:52px}
  .menu-side{display:none}
  .hud-top{padding:16px}
  .hud-chapter strong{font-size:20px}
  .hud-bottom{left:16px;right:16px;bottom:150px}
  .hud-hint{bottom:220px;font-size:10px}
  .hud-goal{top:80px;left:16px}
  #dialogue{bottom:150px}
  #hudQuote{display:none}
  .panel{padding:22px 18px}
  .chapter-grid{grid-template-columns:repeat(2,1fr)}
  .ch-card{min-height:140px;padding:14px 12px}
  .ch-card h3{font-size:18px}
}