@font-face{font-family:InterVariable;src:url('/assets/fonts/inter-latin-wght-normal.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:ForestDisplay;src:url('/assets/fonts/playfair-display-latin-wght-normal.woff2') format('woff2');font-weight:400 900;font-style:normal;font-display:swap}

:root{
  --ink:#f3f0e6;
  --ink-muted:#c8c7b9;
  --forest:#101b15;
  --forest-deep:#08100c;
  --moss:#294234;
  --paper:#e8dfc8;
  --paper-ink:#182018;
  --sun:#e8c775;
  --sun-strong:#ffd985;
  --line:rgba(239,232,208,.32);
  --safe-top:max(18px,env(safe-area-inset-top));
  --safe-right:max(18px,env(safe-area-inset-right));
  --safe-bottom:max(18px,env(safe-area-inset-bottom));
  --safe-left:max(18px,env(safe-area-inset-left));
}

*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--forest-deep);color:var(--ink);font-family:InterVariable,"Noto Sans SC","Microsoft YaHei",sans-serif}
button,a{font:inherit}
button{border:0}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--sun-strong);outline-offset:4px}
[hidden]{display:none!important}

#world{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;background:#0b1510;cursor:grab}
#world.is-dragging{cursor:grabbing}
#experience{position:fixed;inset:0;pointer-events:none}

#entry{
  position:absolute;
  inset:0;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,620px);
  align-items:end;
  gap:clamp(32px,7vw,110px);
  padding:var(--safe-top) var(--safe-right) clamp(42px,7vh,86px) var(--safe-left);
  pointer-events:auto;
  background:
    linear-gradient(90deg,rgba(4,10,7,.9) 0%,rgba(4,10,7,.66) 42%,rgba(4,10,7,.08) 80%),
    linear-gradient(0deg,rgba(4,10,7,.88) 0%,rgba(4,10,7,.08) 60%),
    url('/3/assets/forest-depth.webp') center/cover no-repeat;
}
.entry-brand{align-self:start;font-family:ForestDisplay,Georgia,serif;font-size:clamp(25px,3vw,42px);letter-spacing:-.025em;text-shadow:0 8px 28px rgba(0,0,0,.45)}
.entry-copy{grid-column:2;max-width:620px;padding:clamp(22px,3vw,38px) clamp(18px,3vw,34px) clamp(20px,3vw,32px);background:rgba(8,16,12,.78);box-shadow:0 24px 70px rgba(0,0,0,.42)}
.entry-copy h1{max-width:12ch;margin:0 0 24px;font-family:ForestDisplay,Georgia,serif;font-size:clamp(42px,5.8vw,76px);font-weight:600;line-height:.98;letter-spacing:-.035em;text-wrap:balance}
.entry-copy>p{max-width:58ch;margin:0;color:var(--ink-muted);font-size:clamp(15px,1.4vw,18px);line-height:1.72}
.control-guide{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:30px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.control-guide>div{display:grid;gap:7px;padding:16px 16px 17px 0}
.control-guide>div+div{padding-left:18px;border-left:1px solid var(--line)}
.control-guide strong{color:var(--sun);font-size:12px;letter-spacing:.09em}
.control-guide span{color:var(--ink);font-size:13px;line-height:1.55}
.touch-guide{display:none!important}
.entry-actions{display:grid;grid-template-columns:minmax(180px,230px) 1fr;align-items:center;gap:22px}
#enter-button{min-height:52px;padding:0 24px;background:var(--sun);color:#10170f;font-weight:780;cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease}
#enter-button:hover:not(:disabled){background:var(--sun-strong);box-shadow:0 10px 30px rgba(227,188,92,.22);transform:translateY(-2px)}
#enter-button:active:not(:disabled){transform:translateY(0)}
#enter-button:disabled{cursor:wait;opacity:.55}
#load-state{display:grid;grid-template-columns:1fr auto;gap:7px 12px;align-items:end;color:var(--ink-muted);font-size:11px}
#load-progress{grid-column:1/-1;width:100%;height:3px;border:0;background:rgba(255,255,255,.14);appearance:none}
#load-progress::-webkit-progress-bar{background:rgba(255,255,255,.14)}
#load-progress::-webkit-progress-value{background:var(--sun)}
#load-progress::-moz-progress-bar{background:var(--sun)}
.entry-copy .entry-meta{margin-top:16px;color:#aaa99d;font-size:11px;letter-spacing:.035em}

#hud{position:absolute;inset:0;pointer-events:none}
.journey-top{position:absolute;top:var(--safe-top);left:var(--safe-left);right:var(--safe-right);display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
#journey-state{max-width:34ch;margin:0;padding:10px 13px;background:rgba(7,14,10,.72);color:var(--ink);box-shadow:0 9px 30px rgba(0,0,0,.22);font-size:12px;line-height:1.5}
.utility-controls{display:flex;gap:8px;pointer-events:auto}
.utility-controls button{min-width:54px;min-height:42px;padding:0 13px;background:rgba(7,14,10,.74);color:var(--ink);border:1px solid rgba(239,232,208,.18);cursor:pointer}
.utility-controls button:hover{border-color:rgba(255,217,133,.7);color:var(--sun-strong)}

#progress-list{position:absolute;left:50%;bottom:calc(var(--safe-bottom) + 17px);display:grid;grid-template-columns:repeat(6,minmax(54px,82px));gap:0;margin:0;padding:0;list-style:none;transform:translateX(-50%);pointer-events:none}
#progress-list::before{content:"";position:absolute;left:8%;right:8%;top:12px;height:1px;background:rgba(243,240,230,.38)}
#progress-list li{position:relative;display:grid;justify-items:center;gap:7px;color:#d2d0c3;font-size:10px;text-align:center}
#progress-list span{position:relative;z-index:1;display:grid;place-items:center;width:25px;height:25px;border:1px solid rgba(243,240,230,.6);border-radius:50%;background:#101b15;color:transparent;transition:background .35s ease,border-color .35s ease,box-shadow .35s ease}
#progress-list b{font-weight:520;letter-spacing:.04em;transition:color .3s ease}
#progress-list li.is-current span{border-color:var(--sun-strong);box-shadow:0 0 0 4px rgba(232,199,117,.14)}
#progress-list li.is-current b{color:var(--sun-strong)}
#progress-list li.is-collected span{background:var(--sun);border-color:var(--sun);box-shadow:0 4px 18px rgba(232,199,117,.25)}
#progress-list li.is-collected span::after{content:"";width:7px;height:4px;border-left:2px solid #10170f;border-bottom:2px solid #10170f;transform:rotate(-45deg) translateY(-1px)}
#progress-list li.is-collected b{color:var(--ink)}
#desktop-hint{position:absolute;left:var(--safe-left);bottom:calc(var(--safe-bottom) + 20px);margin:0;padding:9px 11px;background:rgba(7,14,10,.64);color:var(--ink-muted);font-size:11px;letter-spacing:.025em}

#capture-button{position:absolute;left:50%;bottom:calc(var(--safe-bottom) + 86px);min-width:150px;min-height:48px;padding:0 24px;background:var(--sun);color:#11180f;font-weight:780;transform:translateX(-50%);cursor:pointer;pointer-events:auto;box-shadow:0 12px 34px rgba(0,0,0,.32);transition:opacity .2s ease,transform .2s ease,background .2s ease}
#capture-button:hover:not(:disabled){background:var(--sun-strong);transform:translateX(-50%) translateY(-2px)}
#capture-button:disabled{opacity:0;pointer-events:none}
#touch-forward,#touch-look{display:none}

#skill-card{position:absolute;inset:0;display:grid;place-items:end center;padding:0 20px clamp(150px,22vh,220px);pointer-events:none;background:radial-gradient(circle at 50% 52%,rgba(5,10,7,.02),rgba(5,10,7,.42) 78%)}
.skill-sheet{width:min(92vw,520px);padding:30px 34px 34px;background:var(--paper);color:var(--paper-ink);box-shadow:0 26px 80px rgba(0,0,0,.46);clip-path:polygon(0 2%,98.5% 0,100% 97%,1.5% 100%);transform:rotate(-.35deg)}
#interaction-phase{display:block;margin:0 0 14px;color:#5a5c49;font-size:11px;font-weight:750;letter-spacing:.12em}
.skill-sheet h2{margin:0 0 13px;font-family:ForestDisplay,Georgia,serif;font-size:clamp(28px,4vw,46px);font-weight:600;line-height:1.05;letter-spacing:-.025em}
.skill-sheet p{max-width:55ch;margin:0;font-size:15px;line-height:1.72}

#assembly{position:absolute;inset:0;display:grid;align-content:center;justify-items:center;padding:24px;text-align:center;background:radial-gradient(circle,rgba(9,19,13,.2),rgba(5,10,7,.7));pointer-events:none}
#assembly h2{max-width:16ch;margin:0 0 18px;font-family:ForestDisplay,Georgia,serif;font-size:clamp(42px,6vw,76px);font-weight:600;line-height:1.02;letter-spacing:-.035em;text-wrap:balance;text-shadow:0 12px 40px rgba(0,0,0,.42)}
#assembly p{max-width:54ch;margin:0;color:var(--ink-muted);font-size:clamp(14px,1.6vw,18px);line-height:1.65}

#finale{position:absolute;inset:0;display:grid;align-items:end;pointer-events:auto;background:#07100b;overflow:hidden}
.finale-plate{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.94) contrast(1.03);animation:finale-focus 1.8s cubic-bezier(.16,1,.3,1) both}
#finale::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,8,5,.86) 0%,rgba(4,8,5,.45) 46%,rgba(4,8,5,.03) 78%),linear-gradient(0deg,rgba(4,8,5,.86) 0%,transparent 56%)}
.finale-copy{position:relative;z-index:1;width:min(650px,calc(100% - var(--safe-left) - var(--safe-right)));margin:0 0 clamp(38px,8vh,84px) var(--safe-left);padding:clamp(24px,4vw,42px);background:rgba(7,14,10,.75);box-shadow:0 28px 90px rgba(0,0,0,.38)}
.finale-copy h1{max-width:11ch;margin:0 0 20px;font-family:ForestDisplay,Georgia,serif;font-size:clamp(46px,6.2vw,82px);font-weight:600;line-height:.98;letter-spacing:-.04em;text-wrap:balance}
.finale-copy>p{max-width:55ch;margin:0;color:var(--ink-muted);font-size:clamp(15px,1.45vw,18px);line-height:1.7}
.finale-actions,.fallback-actions{display:flex;gap:12px;margin-top:28px}
.action{display:inline-grid;place-items:center;min-width:142px;min-height:50px;padding:0 22px;text-decoration:none;font-weight:760;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease}
.action:hover{transform:translateY(-2px)}
.action-primary{background:var(--sun);color:#11180f}
.action-primary:hover{background:var(--sun-strong)}
.action-secondary{background:transparent;color:var(--ink);border:1px solid rgba(243,240,230,.48)}
.action-secondary:hover{border-color:var(--ink)}

#fallback{position:absolute;inset:0;overflow:auto;padding:clamp(36px,6vw,84px) var(--safe-right) calc(60px + env(safe-area-inset-bottom)) var(--safe-left);pointer-events:auto;background:#101b15;color:var(--ink)}
.fallback-intro{max-width:850px;margin:0 auto 52px}
.fallback-intro h1{max-width:13ch;margin:0 0 20px;font-family:ForestDisplay,Georgia,serif;font-size:clamp(46px,7vw,88px);font-weight:600;line-height:.98;letter-spacing:-.04em}
.fallback-intro p{max-width:62ch;margin:0;color:var(--ink-muted);font-size:17px;line-height:1.7}
.chapter-list{max-width:850px;margin:0 auto;padding:0;list-style:none;border-top:1px solid var(--line)}
.chapter-list li{display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:36px;padding:25px 0;border-bottom:1px solid var(--line)}
.chapter-list h2{margin:0;font-family:ForestDisplay,Georgia,serif;font-size:26px;font-weight:600}
.chapter-list p{margin:0;color:var(--ink-muted);line-height:1.65}
.fallback-finale{max-width:850px;margin:58px auto 0}
.fallback-finale img{display:block;width:100%;height:auto}
.fallback-finale figcaption{padding-top:14px;color:var(--ink-muted)}
.fallback-actions{max-width:850px;margin:28px auto 0}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

@keyframes finale-focus{from{transform:scale(1.035);filter:blur(6px) saturate(.82)}to{transform:scale(1);filter:blur(0) saturate(.94) contrast(1.03)}}

@media (max-width:840px){
  #entry{grid-template-columns:1fr;align-items:end;padding-bottom:calc(var(--safe-bottom) + 18px);background:linear-gradient(0deg,rgba(4,10,7,.94) 0%,rgba(4,10,7,.18) 72%),url('/3/assets/forest-depth.webp') center/cover no-repeat}
  .entry-brand{position:absolute;top:var(--safe-top);left:var(--safe-left);font-size:27px}
  .entry-copy{grid-column:1;width:100%;max-width:none;padding:22px 20px 20px;background:rgba(7,14,10,.84)}
  .entry-copy h1{max-width:10.5ch;margin-bottom:17px;font-size:clamp(38px,11vw,56px)}
  .entry-copy>p{font-size:14px;line-height:1.62}
  .control-guide{margin:20px 0}
  .desktop-guide{display:none!important}
  .touch-guide{display:grid!important;border-left:0!important;padding-left:0!important}
  .entry-actions{grid-template-columns:1fr;gap:13px}
  #enter-button{width:100%}
  .entry-copy .entry-meta{margin-top:13px;font-size:10px}
  .journey-top{gap:10px}
  #journey-state{max-width:22ch;padding:8px 10px;font-size:10px}
  .utility-controls button{min-width:46px;min-height:40px;padding:0 10px;font-size:11px}
  #progress-list{top:calc(var(--safe-top) + 58px);bottom:auto;grid-template-columns:repeat(6,35px)}
  #progress-list::before{left:8%;right:8%;top:9px}
  #progress-list span{width:19px;height:19px}
  #progress-list b{display:none}
  #desktop-hint{display:none}
  #capture-button{bottom:calc(var(--safe-bottom) + 28px);min-height:50px;min-width:148px}
  #skill-card{padding:0 16px calc(var(--safe-bottom) + 112px)}
  .skill-sheet{padding:24px 25px 27px}
  .skill-sheet h2{font-size:34px}
  .skill-sheet p{font-size:13px;line-height:1.62}
  #assembly h2{font-size:clamp(38px,11vw,58px)}
  .finale-plate{object-position:68% center}
  #finale::after{background:linear-gradient(0deg,rgba(4,8,5,.94) 0%,rgba(4,8,5,.25) 68%,rgba(4,8,5,.03))}
  .finale-copy{width:calc(100% - var(--safe-left) - var(--safe-right));margin:0 var(--safe-right) calc(var(--safe-bottom) + 12px) var(--safe-left);padding:22px 20px}
  .finale-copy h1{max-width:10ch;font-size:clamp(42px,12vw,60px)}
  .finale-actions{display:grid;grid-template-columns:1fr 1fr}
  .action{min-width:0}
  .chapter-list li{grid-template-columns:1fr;gap:8px}
  .fallback-actions{display:grid;grid-template-columns:1fr 1fr}
}

@media (pointer:coarse){
  .desktop-guide{display:none!important}
  .touch-guide{display:grid!important;border-left:0!important;padding-left:0!important}
  #desktop-hint{display:none}
  #progress-list{top:calc(var(--safe-top) + 58px);bottom:auto;grid-template-columns:repeat(6,35px)}
  #progress-list::before{left:8%;right:8%;top:9px}
  #progress-list span{width:19px;height:19px}
  #progress-list b{display:none}
  #touch-forward,#touch-look{display:grid;position:absolute;bottom:calc(var(--safe-bottom) + 18px);width:118px;height:118px;place-items:center;pointer-events:auto;touch-action:none;color:rgba(243,240,230,.78);font-size:10px;letter-spacing:.08em}
  #touch-forward{left:var(--safe-left)}
  #touch-look{right:var(--safe-right)}
  #touch-forward>b,#touch-look>b{position:absolute;bottom:-2px}
  .joystick-ring{position:relative;width:82px;height:82px;border:1px solid rgba(243,240,230,.42);border-radius:50%;background:rgba(7,14,10,.28)}
  #joystick-knob{position:absolute;left:50%;top:50%;width:34px;height:34px;border-radius:50%;background:rgba(232,199,117,.78);box-shadow:0 8px 20px rgba(0,0,0,.28);transform:translate(-50%,-50%)}
  #touch-look>span{width:82px;height:82px;border:1px solid rgba(243,240,230,.25);border-radius:50%;background:radial-gradient(circle,rgba(243,240,230,.13),transparent 68%)}
  #capture-button{bottom:calc(var(--safe-bottom) + 34px)}
}

@media (max-height:700px) and (max-width:840px), (max-height:700px) and (pointer:coarse){
  .entry-copy h1{font-size:38px}
  .entry-copy>p{display:none}
  .control-guide{margin:14px 0}
  .entry-copy .entry-meta{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}