/* ============ HuHo-nyang Official Site — 双主题 ============
   亮色（默认）：白 + 青(#35e0ff系) + 青绿(#1fbf95)，对齐立绘
   暗色：浅炭黑（#14171c 底 / #262c36 面板，参考图2配色）
   “屏幕类”元素（头盔笑脸屏 / 示波器 / 波形屏 / 立绘框）在两个主题下
   都保留深色屏体 —— 那是角色设计本身，不是残留。                 */
:root{
  /* ---- 亮色 ---- */
  --bg:#f2f8fb;
  --bg2:#e6f4fa;
  --panel:#ffffff;
  --panel2:#edf6fa;
  --line:#cfe3ee;
  --line-strong:#a8c9dc;
  --cyan:#0891b2;
  --cyan-bright:#35e0ff;
  --cyan-deep:#bfe9f4;
  --green:#1fbf95;
  --green-deep:#d5f3e9;
  --pink:#ff8fb3;
  --ink:#14283c;
  --text:#1d3350;
  --muted:#5c7590;
  --dim:#8fa3bf;
  --screen:#041018;
  --screen-line:#1d3a4d;
  --bevel-dark:#10263a;
  --bevel-shade:rgba(170,200,218,.5);
  --bevel-hi:rgba(255,255,255,.9);
  --elev:0 6px 18px rgba(40,80,110,.08);
  --elev-btn:0 4px 10px rgba(50,90,120,.18);
  --glow-cyan:0 0 22px rgba(53,224,255,.4);
  --glow-green:0 0 18px rgba(47,208,168,.45);
  --nav-bg:rgba(255,255,255,.93);
  --lightbox-bg:rgba(255,255,255,.97);
  --hero-grad-1:rgba(53,224,255,.20);
  --hero-grad-2:rgba(47,208,168,.16);
  --grid-line:rgba(8,145,178,.08);
  --quote-bg:rgba(8,145,178,.07);
  --hover-bg:#eef8fd;
  --table-bg:#f8fcfe;
  --face-bg:#ffffff;
  --face-line:#a8c9dc;
  --face-pixel:#0891b2;
  --face-blush:#f5579a;
  --stage-line:#a8c9dc;
  --stage-glow:0 0 18px rgba(53,224,255,.3);
  --wave-bg:#f4fbff;
  --wave-line:#cfe3ee;
  --wave-inset:inset 0 0 24px rgba(8,145,178,.08);
  --label-bg:rgba(255,255,255,.85);
  --trace:#0891b2;
  --trace-dim:rgba(8,145,178,.55);
  --idle:#a8c9dc;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Consolas,monospace;
}
:root[data-theme="dark"]{
  /* ---- 暗色（浅炭黑）---- */
  --bg:#14171c;
  --bg2:#1a1f27;
  --panel:#1e242d;
  --panel2:#262c36;
  --line:#333e4c;
  --line-strong:#4a5768;
  --cyan:#5cdcf5;
  --cyan-bright:#4de6ff;
  --cyan-deep:#123846;
  --green:#3be0ae;
  --green-deep:#11332a;
  --pink:#ff8fb3;
  --ink:#eef3f8;
  --text:#cfd9e4;
  --muted:#8fa0b4;
  --dim:#66778c;
  --screen:#0a0d12;
  --screen-line:#2b3441;
  --bevel-dark:#0a0c10;
  --bevel-shade:rgba(0,0,0,.5);
  --bevel-hi:rgba(255,255,255,.07);
  --elev:0 6px 18px rgba(0,0,0,.45);
  --elev-btn:0 4px 10px rgba(0,0,0,.5);
  --glow-cyan:0 0 24px rgba(77,230,255,.35);
  --glow-green:0 0 20px rgba(59,224,174,.4);
  --nav-bg:rgba(20,23,28,.92);
  --lightbox-bg:rgba(10,12,16,.94);
  --hero-grad-1:rgba(77,230,255,.09);
  --hero-grad-2:rgba(59,224,174,.07);
  --grid-line:rgba(77,230,255,.05);
  --quote-bg:rgba(92,220,245,.08);
  --hover-bg:#2a323e;
  --table-bg:#232a34;
  --face-bg:#020409;
  --face-line:#1d3a4d;
  --face-pixel:#3ae0ff;
  --face-blush:#ff8fb3;
  --stage-line:#1d3a4d;
  --stage-glow:0 0 26px rgba(77,230,255,.4);
  --wave-bg:#041018;
  --wave-line:#1d3a4d;
  --wave-inset:inset 0 0 30px rgba(77,230,255,.14);
  --label-bg:rgba(4,16,24,.85);
  --trace:#3ae0ff;
  --trace-dim:rgba(58,224,255,.6);
  --idle:#66778c;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
::selection{background:rgba(53,224,255,.4)}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan-bright)}
code{
  font-family:var(--mono);font-size:.86em;
  background:var(--panel2);border:1px solid var(--line);
  padding:.1em .45em;color:var(--cyan);
}

/* ============ NAV ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 28px;
  background:var(--nav-bg);backdrop-filter:blur(10px);
  border-bottom:2px solid var(--line);
}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.face{image-rendering:pixelated}
.brand-logo{
  width:38px;height:38px;object-fit:cover;
  border:2px solid var(--line);
  box-shadow:var(--elev);
  background:#fff;
}
.brand-name{font-weight:800;font-size:1.15rem;letter-spacing:.5px}
.brand-accent{color:var(--cyan)}
.brand-sub{font-family:var(--mono);font-size:.6rem;letter-spacing:2px;color:var(--muted);border-left:2px solid var(--line);padding-left:8px}
.nav-links{display:flex;gap:4px;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;color:var(--text);
  padding:6px 12px;border:2px solid transparent;
  font-family:var(--mono);
}
.nav-links a:hover{border-color:var(--cyan-deep);color:var(--cyan);background:var(--hover-bg)}
.theme-toggle{
  cursor:pointer;flex:0 0 38px;width:38px;height:38px;
  display:grid;place-items:center;
  font-size:1.05rem;color:var(--ink);
  background:var(--panel);border:3px solid var(--bevel-dark);
  box-shadow:inset -3px -3px 0 var(--bevel-shade), inset 3px 3px 0 var(--bevel-hi), var(--elev-btn);
}
.theme-toggle:active{transform:translate(1px,2px)}
.theme-toggle.flip{animation:themeFlip .55s ease}
@keyframes themeFlip{
  0%{transform:scale(1)}
  45%{transform:scale(.6) rotate(160deg)}
  100%{transform:scale(1) rotate(360deg)}
}

/* ---- 主题切换动画 ---- */
/* 切换窗口（html.theme-anim 类存在约 700ms）内：
   所有元素的颜色类属性平滑过渡；
   canvas 屏幕（像素脸/示波器/波形）由 JS 做“淡出→重绘→淡入”交叉过渡 */
html.theme-anim body,
html.theme-anim body *{
  transition:background-color .5s ease,border-color .5s ease,color .5s ease,box-shadow .5s ease;
}
canvas.face,#scope,.p-wave{transition:opacity .22s ease}

/* ============ LAYOUT ============ */
.section{padding:84px 28px;max-width:1180px;margin:0 auto}
section[id]{scroll-margin-top:70px}
.section-dark{max-width:none;background:var(--bg2);border-top:2px solid var(--line);border-bottom:2px solid var(--line)}
.section-dark .section-inner-wrap, .section-dark > *{max-width:1180px;margin-left:auto;margin-right:auto}
.sec-head{margin-bottom:40px}
.sec-tag{
  font-family:var(--mono);font-size:.72rem;letter-spacing:3px;
  color:var(--cyan);border:2px solid var(--cyan-deep);
  display:inline-block;padding:3px 10px;margin-bottom:14px;
  background:var(--quote-bg);
}
.sec-title{font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800;color:var(--ink);letter-spacing:1px}
.sec-title .glow{color:var(--cyan);text-shadow:0 0 12px rgba(53,224,255,.65)}
.sec-lead{margin-top:14px;max-width:760px;color:var(--muted);font-size:.98rem}

.card{
  background:var(--panel);
  border:3px solid var(--line);
  box-shadow:inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-shade), var(--elev);
  padding:26px;
}
.card-title{font-size:1.05rem;color:var(--ink);font-weight:800;margin-bottom:16px;letter-spacing:.5px}
.mono-dim{font-family:var(--mono);font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:1px}
.table-note{margin-top:12px;font-size:.84rem;color:var(--muted)}
.table-note b{color:var(--cyan)}

/* ============ BUTTONS (blocky bevel) ============ */
.btn{
  display:inline-block;cursor:pointer;
  font-family:var(--mono);font-size:.9rem;font-weight:700;letter-spacing:.5px;
  color:var(--ink);
  background:var(--panel);
  border:3px solid var(--bevel-dark);
  padding:11px 20px;
  box-shadow:inset -5px -5px 0 var(--bevel-shade), inset 4px 4px 0 var(--bevel-hi), var(--elev-btn);
  transition:transform .06s, box-shadow .06s;
  user-select:none;
}
.btn:hover{background:var(--hover-bg);color:var(--cyan)}
.btn:active{transform:translate(2px,3px);box-shadow:inset -5px -5px 0 var(--bevel-shade), inset 4px 4px 0 var(--bevel-hi)}
.btn-primary{
  background:linear-gradient(135deg,#59e9ff,#19b8dd 55%,#2fd0a8);color:#052a35;
  box-shadow:inset -5px -5px 0 rgba(10,90,110,.35), inset 4px 4px 0 rgba(255,255,255,.6), var(--glow-cyan), var(--elev-btn);
}
.btn-primary:hover{background:linear-gradient(135deg,#7df2ff,#2bc4e8 55%,#43e0ba);color:#052a35}
.btn-lg{padding:15px 28px;font-size:1rem}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:150px 28px 60px;
  background:
    radial-gradient(ellipse 80% 60% at 72% 16%, var(--hero-grad-1), transparent 60%),
    radial-gradient(ellipse 60% 50% at 12% 84%, var(--hero-grad-2), transparent 60%),
    var(--bg);
  overflow:hidden;
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 30%, #000 30%, transparent 75%);
}
.blocks-layer{position:absolute;inset:0;pointer-events:none}
.blocks-layer i{
  position:absolute;display:block;
  border:2px solid var(--line-strong);
  background:var(--panel2);
  animation:floatBlock linear infinite;
}
@keyframes floatBlock{
  from{transform:translateY(0) rotate(0deg)}
  to{transform:translateY(-90px) rotate(180deg)}
}
.hero-inner{
  position:relative;max-width:1180px;margin:0 auto;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.face-stage{
  display:inline-block;position:relative;
  background:var(--face-bg);
  border:4px solid var(--face-line);
  box-shadow:var(--stage-glow), var(--wave-inset);
  padding:22px 26px;margin-bottom:18px;
}
.face-hero{width:152px;height:152px;display:block}
.face-caption{font-family:var(--mono);font-size:.62rem;letter-spacing:1.5px;color:var(--dim);margin-top:10px}
.hero-name{font-size:clamp(3rem,7vw,5.2rem);font-weight:900;color:var(--ink);letter-spacing:3px;line-height:1.05}
.hero-name-accent{color:var(--cyan);text-shadow:0 0 18px rgba(53,224,255,.7)}
.hero-tag{margin-top:10px;font-size:1.15rem;color:var(--text);letter-spacing:1px}
.hero-quote{
  margin-top:14px;font-size:1.02rem;color:var(--cyan);
  border-left:4px solid var(--cyan);padding:8px 14px;
  background:var(--quote-bg);max-width:460px;
}
.kaomoji{font-family:var(--mono)}
.hero-ctas{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.portrait-frame{
  position:relative;
  border:4px solid var(--face-line);
  box-shadow:var(--stage-glow), var(--elev);
  background:var(--face-bg);
}
.portrait-frame::before,.portrait-frame::after{
  content:"";position:absolute;width:22px;height:22px;pointer-events:none;
  border:4px solid var(--cyan-bright);
}
.portrait-frame::before{top:-12px;left:-12px;border-right:none;border-bottom:none}
.portrait-frame::after{bottom:-12px;right:-12px;border-left:none;border-top:none}
.portrait-frame img{width:100%;max-height:640px;object-fit:cover}
.portrait-frame figcaption{
  font-family:var(--mono);font-size:.62rem;letter-spacing:2px;color:var(--muted);
  padding:10px 12px;border-top:2px solid var(--face-line);background:var(--panel2);
}
.hero-stats{
  position:relative;max-width:1180px;margin:54px auto 0;
  display:flex;gap:12px;flex-wrap:wrap;
}
.chip{
  font-family:var(--mono);font-size:.82rem;color:var(--text);
  background:var(--panel);border:2px solid var(--line);
  padding:8px 14px;
  box-shadow:var(--elev);
}
.chip b{color:var(--cyan);font-size:1.05rem;margin-right:2px}
.chip-glow{border-color:var(--green);box-shadow:var(--glow-green)}
.chip-glow b{color:var(--cyan);text-shadow:0 0 8px rgba(53,224,255,.8)}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card-traits,.card-moods{grid-row:span 1}
.card-spec{grid-column:1/-1}
.trait-list{list-style:none;display:grid;gap:14px}
.trait-list li{display:flex;gap:12px;align-items:flex-start}
.trait-ico{
  flex:0 0 40px;height:40px;display:grid;place-items:center;
  background:var(--panel2);border:2px solid var(--line);font-size:1.2rem;
  box-shadow:inset -3px -3px 0 var(--bevel-shade);
}
.trait-list b{color:var(--ink);display:block}
.trait-list small{color:var(--muted);font-size:.8rem}
.quote-bubble{
  margin-top:18px;font-size:.95rem;color:var(--cyan);
  border:2px dashed var(--cyan-deep);padding:10px 14px;background:var(--quote-bg);
}
.mood-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mood{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  background:var(--panel2);border:2px solid var(--line);
  padding:14px 8px 10px;cursor:pointer;color:var(--text);font-size:.85rem;
  font-family:inherit;
}
.mood:hover{border-color:var(--cyan-deep);background:var(--hover-bg)}
.mood:active{transform:translateY(2px)}
.mood canvas{width:56px;height:56px;background:var(--face-bg);border:2px solid var(--face-line)}
.mood-note{margin-top:14px;font-size:.8rem;color:var(--muted)}
.spec-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.spec-list dt{font-family:var(--mono);font-size:.68rem;letter-spacing:2px;color:var(--cyan);margin-bottom:4px}
.spec-list dd{font-size:.92rem;color:var(--text)}

/* ============ SIGNAL CHAIN ============ */
.chain{
  display:flex;align-items:stretch;gap:0;flex-wrap:wrap;justify-content:center;
  margin-bottom:26px;
}
.chain-box{
  position:relative;
  background:var(--panel);border:3px solid var(--line);
  box-shadow:inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-shade), var(--elev);
  padding:16px 18px 14px;min-width:158px;max-width:200px;flex:1;
}
.chain-box b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:6px}
.chain-box small{color:var(--muted);font-size:.72rem;line-height:1.6;display:block;font-family:var(--mono)}
.chain-step{
  position:absolute;top:-11px;left:10px;
  font-family:var(--mono);font-size:.58rem;letter-spacing:2px;
  background:linear-gradient(135deg,var(--cyan-bright),var(--green));color:#052a35;padding:2px 8px;font-weight:800;
}
.chain-arrow{align-self:center;color:var(--cyan);font-size:1.1rem;padding:0 8px;opacity:.7}
.chain-final{border-color:var(--green);box-shadow:var(--glow-green), inset 3px 3px 0 var(--bevel-hi)}

/* ============ LAB ============ */
.lab-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;margin-bottom:26px}
.table-wrap{overflow-x:auto}
.f-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:.78rem}
.f-table th,.f-table td{border:2px solid var(--line);padding:8px 10px;text-align:center;white-space:nowrap}
.f-table thead th{background:var(--panel2);color:var(--cyan);font-weight:700}
.f-table .row-head{background:var(--panel2);color:var(--cyan);font-weight:700}
.f-table td{color:var(--text);background:var(--table-bg)}
.recipe-list{list-style:none;display:grid;gap:10px;margin-bottom:20px}
.recipe-list li{display:grid;grid-template-columns:86px 1fr;gap:10px;align-items:baseline}
.recipe-k{font-family:var(--mono);font-size:.72rem;color:var(--cyan);letter-spacing:1px}
.recipe-v{font-size:.86rem;color:var(--text)}
.substyles h4{font-size:.9rem;color:var(--ink);margin-bottom:10px}
.substyle-chips{display:flex;flex-wrap:wrap;gap:8px}
.ss-chip{
  font-family:var(--mono);font-size:.72rem;color:var(--text);
  background:var(--panel2);border:2px solid var(--line);padding:5px 10px;
}
.ss-chip b{color:var(--cyan)}

/* demo panel */
.card-demo{
  border-color:var(--cyan-deep);
  box-shadow:var(--glow-cyan), inset 3px 3px 0 var(--bevel-hi);
  margin-bottom:34px;
}
.demo-hint{font-size:.9rem;color:var(--muted);margin-bottom:20px}
.demo-hint b{color:var(--cyan)}
.demo-controls{display:grid;gap:18px;margin-bottom:22px}
.demo-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.demo-label{font-family:var(--mono);font-size:.78rem;color:var(--ink);min-width:96px}
.demo-label small{color:var(--muted);display:block}
.vowel-btns,.seq-btns{display:flex;gap:10px;flex-wrap:wrap}
.vbtn,.sbtn,.schip{
  cursor:pointer;font-family:var(--mono);
  border:3px solid var(--bevel-dark);
  box-shadow:inset -4px -4px 0 var(--bevel-shade), inset 3px 3px 0 var(--bevel-hi), var(--elev-btn);
  transition:transform .06s;
}
.vbtn{
  background:linear-gradient(135deg,#59e9ff,#19b8dd 70%,#2fd0a8);color:#052a35;
  font-weight:800;font-size:1.05rem;padding:12px 22px;
  box-shadow:inset -4px -4px 0 rgba(10,90,110,.4), inset 3px 3px 0 rgba(255,255,255,.6), var(--glow-cyan), var(--elev-btn);
}
.vbtn:active{transform:translate(2px,2px)}
.vbtn.hit{background:linear-gradient(135deg,#ff9ec2,#f5579a);box-shadow:0 0 22px rgba(255,143,179,.6), var(--elev-btn)}
.sbtn{
  background:var(--panel);color:var(--ink);font-size:.85rem;padding:10px 16px;font-weight:700;
}
.sbtn:hover{background:var(--hover-bg);color:var(--cyan)}
.sbtn:active{transform:translate(2px,2px)}
.sbtn.busy{opacity:.55;cursor:wait}
.style-chips{display:flex;gap:8px;flex-wrap:wrap}
.schip{
  background:var(--panel);color:var(--text);font-size:.8rem;padding:8px 14px;
}
.schip.on{
  background:linear-gradient(135deg,#59e9ff,#19b8dd 60%,#2fd0a8);color:#052a35;font-weight:800;
  box-shadow:inset -4px -4px 0 rgba(10,90,110,.4), inset 3px 3px 0 rgba(255,255,255,.6), var(--glow-cyan);
}
.scope-wrap{
  position:relative;background:var(--wave-bg);border:3px solid var(--face-line);
  box-shadow:var(--wave-inset), var(--elev);
}
#scope{width:100%;height:140px;display:block}
.scope-label{
  position:absolute;inset:auto 0 0 0;padding:6px 12px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:1.5px;color:var(--muted);
  background:linear-gradient(transparent, var(--label-bg));
}

/* wav players */
.demo-audio{margin-top:6px}
.player-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.player{
  display:flex;align-items:center;gap:14px;
  background:var(--panel);border:3px solid var(--line);
  box-shadow:inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-shade), var(--elev);
  padding:14px 16px;
}
.player.playing{border-color:var(--green);box-shadow:var(--glow-green)}
.p-play{
  flex:0 0 46px;height:46px;cursor:pointer;
  background:linear-gradient(135deg,#59e9ff,#19b8dd 70%,#2fd0a8);color:#052a35;font-size:1rem;font-weight:800;
  border:3px solid var(--bevel-dark);
  box-shadow:inset -3px -3px 0 rgba(10,90,110,.4), inset 3px 3px 0 rgba(255,255,255,.6), var(--elev-btn);
}
.p-play:active{transform:translate(1px,2px)}
.p-body{flex:1;min-width:0}
.p-title{font-size:.8rem;color:var(--text);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-wave{width:100%;height:48px;background:var(--wave-bg);border:2px solid var(--face-line);display:block}
.p-bar{height:4px;background:var(--line);margin-top:8px;position:relative;cursor:pointer}
.p-fill{position:absolute;inset:0 auto 0 0;width:0%;background:linear-gradient(90deg,var(--cyan-bright),var(--green));box-shadow:0 0 8px rgba(53,224,255,.8)}
.p-time{font-family:var(--mono);font-size:.72rem;color:var(--muted);min-width:34px;text-align:right}

/* ============ VOICEBANK ============ */
.vb-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card-install{grid-column:1/-1}
.vb-specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.vb-spec{
  background:var(--panel2);border:2px solid var(--line);padding:14px;
  box-shadow:inset -3px -3px 0 var(--bevel-shade);
}
.vb-spec b{display:block;font-family:var(--mono);font-size:1.15rem;color:var(--cyan);margin-bottom:4px}
.vb-spec small{color:var(--muted);font-size:.72rem;line-height:1.5;display:block}
.suffix-table{width:100%;border-collapse:collapse;font-size:.88rem}
.suffix-table th,.suffix-table td{border:2px solid var(--line);padding:9px 12px;text-align:left}
.suffix-table thead th{background:var(--panel2);color:var(--cyan);font-size:.78rem}
.suffix-table tbody tr:nth-child(even){background:var(--panel2)}
.suffix-table .mono{font-family:var(--mono);color:var(--cyan);font-weight:700}
.install-steps{list-style:none;display:grid;gap:12px;counter-reset:step}
.install-steps li{
  counter-increment:step;position:relative;
  padding:12px 14px 12px 52px;
  background:var(--panel2);border:2px solid var(--line);font-size:.92rem;
}
.install-steps li::before{
  content:counter(step);
  position:absolute;left:10px;top:11px;
  width:30px;height:30px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan-bright),var(--green));color:#052a35;
  font-family:var(--mono);font-weight:800;
  box-shadow:inset -3px -3px 0 rgba(10,90,110,.35);
}
.dl-row{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap}

/* ============ ORIGIN ============ */
.origin-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}
.orig-logo{width:96px;height:96px;object-fit:cover;border:2px solid var(--line);box-shadow:var(--elev);background:#fff;margin-bottom:16px}
.orig-desc{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.orig-desc b{color:var(--cyan)}
.orig-feats{list-style:none;display:grid;gap:9px;font-size:.92rem}
.orig-feats b{color:var(--cyan)}
.adapter-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px}
.adapter-label{font-family:var(--mono);font-size:.7rem;letter-spacing:2px;color:var(--muted)}
.adapter-chip{
  font-family:var(--mono);font-size:.74rem;color:var(--text);
  background:var(--panel2);border:2px solid var(--line);padding:5px 11px;
}
.orig-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:.9rem}
.orig-links a{border-bottom:2px solid var(--cyan-deep);padding-bottom:2px}
.lic{font-family:var(--mono);font-size:.72rem;color:var(--muted);align-self:center}
.story-line{
  display:flex;align-items:stretch;gap:6px;flex-wrap:wrap;
  margin-bottom:18px;
}
.story-node{
  flex:1;min-width:110px;text-align:center;
  background:var(--panel2);border:2px solid var(--line);
  padding:12px 8px;font-size:.8rem;color:var(--ink);font-weight:700;
}
.story-node small{display:block;font-weight:400;color:var(--muted);font-size:.7rem;margin-top:3px}
.story-node-final{background:linear-gradient(135deg,#59e9ff,#2fd0a8);color:#052a35;border-color:var(--bevel-dark);box-shadow:var(--glow-cyan)}
.story-node-final small{color:#07423a}
.story-arrow{align-self:center;color:var(--cyan);opacity:.7}
.story-text{font-size:.92rem;color:var(--muted);margin-bottom:12px}

/* ============ GALLERY ============ */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{
  position:relative;cursor:zoom-in;
  background:var(--panel);border:3px solid var(--line);
  overflow:hidden;
  box-shadow:inset 3px 3px 0 var(--bevel-hi), inset -3px -3px 0 var(--bevel-shade), var(--elev);
}
.g-item img{width:100%;height:300px;object-fit:cover;filter:saturate(1.05)}
.g-item:hover{border-color:var(--cyan-deep);box-shadow:var(--glow-cyan)}
.g-item figcaption{
  padding:12px 14px;font-size:.8rem;color:var(--muted);
  border-top:2px solid var(--line);background:var(--panel2);
}
.g-item figcaption b{color:var(--cyan);margin-right:6px}

/* ============ COMMUNITY ============ */
.community{text-align:center}
.comm-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ============ FOOTER ============ */
.footer{border-top:2px solid var(--line);background:var(--bg2);padding:34px 28px}
.footer-inner{max-width:1180px;margin:0 auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.footer-brand{display:flex;align-items:center;gap:14px}
.footer-brand b{color:var(--ink);display:block;font-size:.95rem}
.footer-brand small{color:var(--muted);font-size:.72rem;font-family:var(--mono)}
.footer-note{font-size:.74rem;color:var(--muted);text-align:right;line-height:1.9}

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed;inset:0;z-index:100;
  background:var(--lightbox-bg);
  display:grid;place-items:center;
  padding:30px;
}
.lightbox[hidden]{display:none}
.lightbox img{
  max-width:94vw;max-height:82vh;
  border:4px solid var(--line);
  box-shadow:var(--glow-cyan);
}
.lightbox p{margin-top:14px;font-family:var(--mono);font-size:.8rem;color:var(--cyan);letter-spacing:1px}
.lb-close{
  position:absolute;top:22px;right:26px;cursor:pointer;
  background:var(--panel);border:3px solid var(--bevel-dark);color:var(--ink);
  width:44px;height:44px;font-size:1rem;
  box-shadow:inset -3px -3px 0 var(--bevel-shade), inset 3px 3px 0 var(--bevel-hi);
}

/* ============ REVEAL / MISC ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}
.mono{font-family:var(--mono)}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-right{order:-1;max-width:440px;margin:0 auto}
  .lab-grid,.vb-grid,.origin-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .player-grid{grid-template-columns:1fr}
  .nav{padding:8px 14px}
  .nav-links{gap:0}
  .nav-links a{padding:5px 8px;font-size:.78rem}
  .chain-arrow{display:none}
  .chain{gap:10px}
  .section{padding:64px 18px}
}
@media (max-width:560px){
  .gallery-grid{grid-template-columns:1fr}
  .mood-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-note{text-align:left}
}