/* HuanHai page v2: world scroll, characters, years, stamp desk. Loaded on the game page only. */
:root{--cinnabar:#a3272b;--gold-m:#b8925a;--ink-d:#1a1411;--ease:cubic-bezier(.22,.61,.36,1)}
.hh-head{max-width:40rem;margin:0 auto clamp(40px,6vw,72px);text-align:center}
.hh-head .eyebrow{justify-content:center}
.hh-head .eyebrow::after{content:"";width:42px;height:1px;background:currentColor;opacity:.75}
.hh-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);letter-spacing:.04em;margin-bottom:.5em}
:lang(zh-Hans) .hh-head h2,:lang(ja) .hh-head h2{letter-spacing:.14em}
.hh-lead{color:var(--ink-faint);font-family:var(--serif);font-size:1.06rem;margin:0}

/* reveal (enabled only when JS runs) */
.js .reveal{opacity:0;transform:translate3d(0,18px,0);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- world scroll ---------- */
.hh-world{padding-bottom:clamp(64px,8vw,110px)}
.hh-scroll{position:relative;max-width:980px;margin:0 auto}
.hh-rod{display:block;height:16px;margin:0 -18px;border-radius:8px;position:relative;z-index:2;
  background:linear-gradient(180deg,#5a3a24,#2c1c12 55%,#1a110b);box-shadow:0 6px 14px -6px rgba(0,0,0,.55)}
.hh-rod::before,.hh-rod::after{content:"";position:absolute;top:-3px;width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#d8b77a,#8a6532 70%)}
.hh-rod::before{left:-8px}.hh-rod::after{right:-8px}
.hh-sheet{position:relative;padding:clamp(28px,5vw,64px) clamp(20px,6vw,80px) clamp(32px,5vw,72px);
  background:#efe4cc var(--grain);background-blend-mode:multiply;box-shadow:inset 0 0 80px rgba(120,90,50,.18),0 30px 60px -30px rgba(35,26,21,.4);
  border-left:1px solid rgba(184,146,90,.35);border-right:1px solid rgba(184,146,90,.35)}
.js .hh-scroll[data-scroll] .hh-sheet{clip-path:inset(0 0 calc(100% - var(--unroll,100%)) 0)}
.js .hh-scroll[data-scroll] .hh-rod-b{transform:translateY(calc(var(--rodshift,0px) * -1))}
.hh-pano{margin:0 0 clamp(28px,4vw,48px);position:relative}
.hh-pano img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.85) contrast(.98);box-shadow:0 0 0 1px rgba(184,146,90,.4),0 0 0 7px #efe4cc,0 0 0 8px rgba(184,146,90,.3)}
.hh-panels{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px) clamp(32px,5vw,72px)}
.hh-panel{display:flex;gap:18px;align-items:flex-start}
.hh-num{flex:none;width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--cinnabar);color:var(--cinnabar);font-family:var(--serif);font-size:1.05rem;border-radius:2px;transform:rotate(-2deg);margin-top:4px}
.hh-panel h3{font-size:1.25rem;letter-spacing:.06em;margin-bottom:.4em}
.hh-panel p{color:var(--ink-soft);margin:0;font-family:var(--serif)}
.js .hh-panel.reveal:nth-child(2){transition-delay:.12s}.js .hh-panel.reveal:nth-child(4){transition-delay:.12s}

/* ---------- characters (dark ink) ---------- */
.hh-chars{background:radial-gradient(120% 80% at 50% 0%,#2a1f19,#15100d 70%);color:#eadfca;position:relative}
.hh-chars::before{content:"";position:absolute;inset:0;background:var(--grain);opacity:.18;mix-blend-mode:overlay;pointer-events:none}
.hh-chars h2{color:#f4ead6}.hh-chars .hh-lead{color:rgba(234,223,202,.66)}
.hh-cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.2vw,28px);position:relative}
.hh-card:nth-child(5){grid-column:1/2}
.hh-cards{grid-template-columns:repeat(12,1fr)}
.hh-card{grid-column:span 3}
.hh-card:nth-child(5){grid-column:2/span 3}.hh-card:nth-child(6){grid-column:span 3}.hh-card:nth-child(7){grid-column:span 3}
.js .hh-card.reveal:nth-child(4n+2){transition-delay:.1s}.js .hh-card.reveal:nth-child(4n+3){transition-delay:.2s}.js .hh-card.reveal:nth-child(4n){transition-delay:.3s}
.hh-card-btn{all:unset;display:block;width:100%;aspect-ratio:3/5;perspective:1400px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.hh-card-btn:focus-visible{outline:2px solid var(--gold-m);outline-offset:6px}
.hh-card-inner{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d;transition:transform 1.05s var(--ease)}
.hh-card-btn[aria-pressed="true"] .hh-card-inner{transform:rotateY(180deg)}
.hh-face{position:absolute;inset:0;display:flex;flex-direction:column;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;
  border:1px solid rgba(184,146,90,.45);box-shadow:0 2px 6px rgba(0,0,0,.4),0 30px 50px -24px rgba(0,0,0,.8)}
.hh-face::after{content:"";position:absolute;inset:5px;border:1px solid rgba(184,146,90,.25);pointer-events:none}
.hh-front{background:#e9dcc2}
.hh-cap{position:absolute;left:0;right:0;bottom:0;padding:44px 16px 16px;background:linear-gradient(0deg,rgba(20,14,11,.92),rgba(20,14,11,.55) 55%,transparent);text-align:center}
.hh-name{display:block;font-family:var(--serif);font-size:1.22rem;letter-spacing:.08em;color:#f4ead6}
:lang(zh-Hans) .hh-name,:lang(ja) .hh-name{letter-spacing:.24em}
.hh-role{display:block;font-size:.78rem;letter-spacing:.14em;color:var(--gold-m);margin-top:2px}
.hh-back{transform:rotateY(180deg);background:#f0e6d1 var(--grain);background-blend-mode:multiply;color:var(--ink);padding:clamp(18px,2vw,26px);justify-content:center;gap:.7em;text-align:left}
.hh-back .hh-name{color:var(--ink);font-size:1.15rem}
.hh-rule{display:block;width:36px;height:1px;background:var(--cinnabar)}
.hh-short{font-family:var(--serif);font-size:.92rem;line-height:1.65;color:var(--ink-soft)}
.hh-dl{display:grid;grid-template-columns:auto 1fr;gap:.2em .8em;font-size:.8rem;line-height:1.5;color:var(--ink-soft)}
.hh-k{color:var(--cinnabar);letter-spacing:.1em;white-space:nowrap}
.hh-quote{font-family:var(--serif);font-size:.95rem;font-style:italic;color:var(--ink);border-left:2px solid var(--cinnabar);padding-left:.8em;line-height:1.55}
:lang(zh-Hans) .hh-quote,:lang(ja) .hh-quote,:lang(ko) .hh-quote{font-style:normal}
.hh-quote::before{content:"\201C"}.hh-quote::after{content:"\201D"}
:lang(zh-Hans) .hh-quote::before,:lang(ja) .hh-quote::before{content:"「"}:lang(zh-Hans) .hh-quote::after,:lang(ja) .hh-quote::after{content:"」"}
:lang(fr) .hh-quote::before{content:"« "}:lang(fr) .hh-quote::after{content:" »"}
:lang(de) .hh-quote::before{content:"„"}:lang(de) .hh-quote::after{content:"\201C"}

/* ---------- timeline ---------- */
.tl{max-width:1040px;margin:0 auto}
.tl-tabs{display:flex;justify-content:center;gap:0;margin-bottom:clamp(28px,4vw,44px);position:relative}
.tl-tabs::before{content:"";position:absolute;left:12%;right:12%;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--gold-m),transparent);opacity:.6}
.tl-tab{all:unset;position:relative;cursor:pointer;display:inline-flex;align-items:center;gap:10px;padding:.55em 1.4em;margin:0 .6em;background:var(--paper);font-family:var(--serif);letter-spacing:.12em;color:var(--ink-faint);transition:color .5s var(--ease)}
.tl-tab:focus-visible{outline:2px solid var(--gold-m);outline-offset:3px}
.tl-dot{width:9px;height:9px;border:1px solid currentColor;transform:rotate(45deg);transition:background .5s var(--ease)}
.tl-tab[aria-selected="true"]{color:var(--cinnabar)}.tl-tab[aria-selected="true"] .tl-dot{background:var(--cinnabar)}
.tl-tab:hover{color:var(--ink)}
.tl-body{display:grid;grid-template-columns:1.45fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.tl-figure{margin:0}
.tl-figure .keyline{display:grid;padding:8px;background:#efe4cc;box-shadow:0 0 0 1px rgba(184,146,90,.45),var(--shadow-long)}
.tl-img{grid-area:1/1;width:100%;aspect-ratio:16/9;object-fit:cover}
.js .tl-img{opacity:0;transition:opacity 1.2s var(--ease)}.js .tl-img.on{opacity:1}
.tl-year{font-family:var(--serif);color:var(--cinnabar);letter-spacing:.2em;font-size:.86rem;margin:0 0 .3em}
.tl-panel h3{font-size:1.45rem;letter-spacing:.05em}
.tl-panel p:last-child{font-family:var(--serif);color:var(--ink-soft)}
.tl-texts{display:grid}
.js .tl-panel{grid-area:1/1;opacity:0;visibility:hidden;transform:translate3d(0,8px,0);transition:opacity .9s var(--ease),transform .9s var(--ease),visibility 0s .9s}
.js .tl-panel.on{opacity:1;visibility:visible;transform:none;transition:opacity .9s var(--ease) .15s,transform .9s var(--ease) .15s,visibility 0s}
html:not(.js) .tl-panel{margin-bottom:1.5em}

/* ---------- stamp desk ---------- */
.hh-desk{background:linear-gradient(180deg,rgba(226,211,181,.38),rgba(226,211,181,.12))}
.desk{max-width:720px;margin:0 auto}
.doc{position:relative;padding:clamp(28px,5vw,56px) clamp(24px,5vw,60px) clamp(28px,4vw,44px);background:#f6eedb var(--grain);background-blend-mode:multiply;
  box-shadow:0 1px 2px rgba(35,26,21,.12),0 24px 48px -22px rgba(35,26,21,.45);border-top:3px double rgba(163,39,43,.55);min-height:340px;overflow:hidden}
.doc::before{content:"";position:absolute;inset:12px;border:1px solid rgba(184,146,90,.35);pointer-events:none}
.doc-meta{display:flex;gap:.6em;align-items:baseline;font-size:.82rem;letter-spacing:.12em;color:var(--ink-faint);margin:0 0 .8em}
.doc-from-k{color:var(--cinnabar)}.doc-count{margin-left:auto;font-family:var(--serif)}
.doc-title{font-size:clamp(1.3rem,2.4vw,1.65rem);letter-spacing:.05em;margin:0 0 .7em}
.doc-body{font-family:var(--serif);color:var(--ink-soft);line-height:1.95;margin:0}
.doc-out{font-family:var(--serif);margin:1.4em 0 0;padding-top:1em;border-top:1px dashed rgba(184,146,90,.5);color:var(--ink);min-height:1.5em;opacity:0;transform:translateY(6px);transition:opacity 1s var(--ease) .55s,transform 1s var(--ease) .55s}
.doc-out:empty{border-top-color:transparent}
.doc.stamped .doc-out{opacity:1;transform:none}
.doc-seal{position:absolute;right:clamp(18px,5vw,56px);top:clamp(40px,6vw,64px);width:118px;height:118px;pointer-events:none;opacity:0;transform:scale(1.9) rotate(-14deg)}
.doc-seal span{position:absolute;inset:0;display:grid;place-items:center;border:5px solid var(--cinnabar);border-radius:6px;color:var(--cinnabar);font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:66px;font-weight:700;line-height:1;
  box-shadow:inset 0 0 0 3px #f6eedb,inset 0 0 0 5px var(--cinnabar);mix-blend-mode:multiply;
  -webkit-mask:var(--grain);mask:radial-gradient(circle at 30% 30%,#000 55%,rgba(0,0,0,.82) 100%)}
.doc.stamped .doc-seal{animation:stamp .7s var(--ease) forwards}
.doc.stamped.r .doc-seal span{border-radius:50%}
@keyframes stamp{0%{opacity:0;transform:scale(1.9) rotate(-14deg)}55%{opacity:.95;transform:scale(.96) rotate(-9deg)}75%{transform:scale(1.02) rotate(-9deg)}100%{opacity:.9;transform:scale(1) rotate(-9deg)}}
.doc.swap .doc-title,.doc.swap .doc-body,.doc.swap .doc-meta{animation:docin .9s var(--ease)}
@keyframes docin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.desk-ctl{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}
.desk-ctl[hidden]{display:none}
.seal-btn{display:inline-flex;align-items:center;gap:.6em;padding:.7em 1.3em .7em .8em;border:1px solid rgba(163,39,43,.55);background:transparent;color:var(--cinnabar);font:inherit;font-family:var(--serif);letter-spacing:.1em;cursor:pointer;border-radius:2px;transition:background .4s var(--ease),color .4s var(--ease)}
.seal-btn:hover,.seal-btn:focus-visible{background:var(--cinnabar);color:#f6e2c8}
.seal-btn:focus-visible,.desk-link:focus-visible{outline:2px solid var(--gold-m);outline-offset:3px}
.seal-btn[disabled]{opacity:.35;cursor:default;background:transparent;color:var(--cinnabar)}
.seal-chip{width:26px;height:26px;display:grid;place-items:center;background:var(--cinnabar);color:#f6e2c8;font-size:.95rem;border-radius:2px}
.seal-r .seal-chip{border-radius:50%}
.desk-gap{flex:1}
.desk-link{background:none;border:0;padding:.4em .2em;font:inherit;font-size:.92rem;color:var(--ink-soft);cursor:pointer;letter-spacing:.06em;border-bottom:1px solid rgba(184,146,90,.6)}
.desk-link[disabled]{opacity:.35;cursor:default}
.desk-note{font-size:.82rem;color:var(--ink-faint);margin:18px 0 0;text-align:center}

@media (max-width:900px){
  .hh-cards{grid-template-columns:repeat(2,1fr)}
  .hh-card,.hh-card:nth-child(5),.hh-card:nth-child(6){grid-column:auto}
  .hh-card:nth-child(7){grid-column:1/-1;width:calc(50% - 8px);justify-self:center}
  .tl-body{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hh-panels{grid-template-columns:1fr}
  .hh-rod{margin:0 -6px}
  .hh-back{padding:14px 12px;gap:.5em}.hh-back .hh-short{display:none}.hh-short{font-size:.8rem;line-height:1.55}.hh-dl{font-size:.7rem}.hh-quote{font-size:.8rem}
  .hh-name{font-size:1.02rem}.hh-role{font-size:.7rem}
  .tl-tab{padding:.5em .7em;margin:0 .2em;font-size:.9rem;letter-spacing:.04em}
  .doc-seal{width:88px;height:88px;top:auto;bottom:70px}.doc-seal span{font-size:48px}
  .desk-gap{flex-basis:100%;height:0}
}
@media (prefers-reduced-motion:reduce){
  .js .reveal,.js .tl-img,.js .tl-panel,.hh-front img,.doc-out{transition:none!important;transform:none!important}
  .hh-card-inner{transition:none}
  .js .hh-scroll[data-scroll] .hh-sheet{clip-path:none}
  .doc.stamped .doc-seal{animation:none;opacity:.9;transform:rotate(-9deg)}
  .doc.swap *{animation:none!important}
}
/* Latin scripts run longer: tighten the card backs */
:lang(en) .hh-back,:lang(de) .hh-back,:lang(fr) .hh-back{gap:.55em;padding:18px 18px}
:lang(en) .hh-short,:lang(de) .hh-short,:lang(fr) .hh-short{font-size:.84rem;line-height:1.5}
:lang(en) .hh-dl,:lang(de) .hh-dl,:lang(fr) .hh-dl{font-size:.74rem;line-height:1.4}
:lang(en) .hh-quote,:lang(de) .hh-quote,:lang(fr) .hh-quote{font-size:.86rem;line-height:1.45}
@media (max-width:640px){
  :lang(en) .hh-back,:lang(de) .hh-back,:lang(fr) .hh-back{padding:12px 10px;gap:.45em}
  :lang(en) .hh-dl,:lang(de) .hh-dl,:lang(fr) .hh-dl{font-size:.66rem;grid-template-columns:1fr}
  :lang(en) .hh-quote,:lang(de) .hh-quote,:lang(fr) .hh-quote{font-size:.74rem;line-height:1.4}
}

/* ---------- living portraits (v3) ---------- */
@property --wash{syntax:"<percentage>";inherits:false;initial-value:0%}
.hh-tilt{display:block;width:100%;height:100%;transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .9s var(--ease)}
.hh-fig{position:absolute;inset:-3%;display:block;transform:translate3d(var(--px,0px),var(--py,0px),0);transition:transform 1.1s var(--ease)}
.hh-fig img{width:100%;height:100%;object-fit:cover;object-position:50% 38%;transform-origin:50% 62%}
.hh-chars.live .hh-fig img{animation:breathe 7.5s ease-in-out infinite}
.hh-card:nth-child(2) .hh-fig img{animation-delay:-1.3s}.hh-card:nth-child(3) .hh-fig img{animation-delay:-2.9s}.hh-card:nth-child(4) .hh-fig img{animation-delay:-4.1s}
.hh-card:nth-child(5) .hh-fig img{animation-delay:-5.6s;animation-duration:8.3s}.hh-card:nth-child(6) .hh-fig img{animation-delay:-0.7s;animation-duration:6.9s}.hh-card:nth-child(7) .hh-fig img{animation-delay:-3.4s;animation-duration:8.8s}
@keyframes breathe{0%,100%{transform:scale(1) translate3d(0,0,0)}50%{transform:scale(1.012) translate3d(0,-.45%,0)}}
/* ink-wash reveal: portrait blooms out of the silk like ink soaking in */
.js .hh-fig{-webkit-mask-image:radial-gradient(ellipse 58% 50% at 50% 34%,#000 calc(var(--wash) - 28%),transparent var(--wash));mask-image:radial-gradient(ellipse 58% 50% at 50% 34%,#000 calc(var(--wash) - 28%),transparent var(--wash));
  filter:grayscale(.9) contrast(1.15) brightness(1.05);transition:--wash 2.6s cubic-bezier(.3,.6,.2,1),filter 3.2s var(--ease),transform 1.1s var(--ease)}
.js .hh-card.in .hh-fig{--wash:190%;filter:none}
.js .hh-card:nth-child(2) .hh-fig{transition-delay:.18s,.18s,0s}.js .hh-card:nth-child(3) .hh-fig{transition-delay:.36s,.36s,0s}.js .hh-card:nth-child(4) .hh-fig{transition-delay:.54s,.54s,0s}
.js .hh-card:nth-child(5) .hh-fig{transition-delay:.72s,.72s,0s}.js .hh-card:nth-child(6) .hh-fig{transition-delay:.9s,.9s,0s}.js .hh-card:nth-child(7) .hh-fig{transition-delay:1.08s,1.08s,0s}
.js .hh-card .hh-cap{opacity:0;transition:opacity 1.6s var(--ease) 1.2s}.js .hh-card.in .hh-cap{opacity:1}
/* soft light sweep */
.hh-sheen{position:absolute;inset:0;pointer-events:none;background:linear-gradient(105deg,transparent 38%,rgba(255,244,220,.26) 50%,transparent 62%);transform:translateX(-130%);mix-blend-mode:soft-light}
@media (hover:hover) and (pointer:fine){.hh-card-btn:hover .hh-sheen{transform:translateX(130%);transition:transform 1.8s var(--ease)}}
@media (hover:none){.hh-tilt,.hh-fig{transition:none}}
@media (prefers-reduced-motion:reduce){
  .hh-chars.live .hh-fig img{animation:none}
  .js .hh-fig{-webkit-mask-image:none;mask-image:none;filter:none;transition:none;transform:none}
  .js .hh-card .hh-cap{opacity:1;transition:none}
  .hh-tilt{transform:none;transition:none}.hh-sheen{display:none}
}