:root{
  --bg:#07080a; --ink:#eceadf; --dim:#787d8a; --dim2:#4b5060;
  --line:#1b1f28; --line2:#272c38;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --dot:'DotGothic16','PingFang SC','Hiragino Sans',monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--mono);font-size:12.5px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h2,h3{margin:0;font-weight:400}
canvas{display:block}

/* ── 背景点阵 ───────────────────────── */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-dots{
  position:absolute;inset:-15%;
  background-image:radial-gradient(circle,rgba(255,255,255,.085) 1px,transparent 1.3px);
  background-size:20px 20px;
  transform:translate3d(calc(var(--mx,0)*1px),calc(var(--my,0)*1px),0);
  transition:transform .5s cubic-bezier(.22,1,.36,1);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 8%,#000,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 8%,#000,transparent 75%);
}

/* ── 顶栏 ───────────────────────────── */
.bar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;
  padding:0 18px;height:52px;
  background:rgba(7,8,10,.82);backdrop-filter:blur(10px);
  border-bottom:1px dashed var(--line2);
}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--dot);font-size:17px;letter-spacing:.06em}
.brand em{color:var(--dim2);font-style:normal}
.brand-mark{width:9px;height:9px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 3px rgba(236,234,223,.12)}
.nav{display:flex;gap:16px;margin-left:6px}
.nav a{color:var(--dim);font-size:11.5px;letter-spacing:.05em;padding:3px 0;border-bottom:1px dotted transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--dim2)}
.tools{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-right:94px}
.language-switch{position:absolute;right:18px;top:10px;display:flex;align-items:center;border:1px dotted var(--line2);flex:none}
.language-switch button{border:0;background:transparent;color:var(--dim);padding:5px 8px;font:10px var(--mono);cursor:pointer}
.language-switch button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.language-switch button:focus-visible{outline:2px dotted var(--ink);outline-offset:2px}

.search{display:flex;align-items:center;gap:8px}
.search input{
  width:190px;height:28px;padding:0 10px;color:var(--ink);
  background:transparent;border:1px dotted var(--line2);border-radius:0;
  font-family:var(--mono);font-size:11.5px;
}
.search input:focus{outline:none;border-color:var(--dim2)}
kbd{font-family:var(--mono);font-size:10px;color:var(--dim2);border:1px dotted var(--line2);padding:1px 5px}

.seg{display:flex;border:1px dotted var(--line2)}
.seg button{
  appearance:none;background:transparent;border:0;border-right:1px dotted var(--line2);
  color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  padding:5px 9px;cursor:pointer;transition:color .15s,background .15s;
}
.seg button:last-child{border-right:0}
.seg button:hover{color:var(--ink)}
.seg button.on{color:#07080a;background:var(--ink)}

.btn{
  appearance:none;background:transparent;border:1px dotted var(--line2);color:var(--dim);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:5px 11px;cursor:pointer;
  transition:color .15s,border-color .15s,background .15s;
}
.btn:hover{color:var(--ink);border-color:var(--dim2)}
.btn.ghost:hover{background:rgba(236,234,223,.06)}
.btn.ico{padding:5px 9px}

/* ── 主视觉 ─────────────────────────── */
.hero{position:relative;z-index:1;max-width:1500px;margin:0 auto;padding:26px 18px 0}
.hero-entries{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:10px}
.world-entry{
  display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;align-items:center;gap:3px 12px;
  min-height:82px;padding:12px 18px;
  border:1px dotted #4a654e;background:rgba(35,65,46,.26);
  transition:background .2s,border-color .2s;
}
.world-entry:hover{background:rgba(35,65,46,.48);border-color:#a9bca4}
.world-entry:focus-visible{outline:2px dotted #d9a17a;outline-offset:3px}
.world-entry-index{font-size:10px;letter-spacing:.15em;color:#a9bca4}
.world-entry-title{min-width:0;font-family:var(--dot);font-size:17px;letter-spacing:.08em;color:#e0dfcb}
.world-entry-title small{display:block;margin-top:2px;font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:#a9bca4}
.world-entry-action{grid-column:2;grid-row:1/3;display:flex;align-items:center;gap:10px;font-size:11px;color:#e0dfcb;white-space:nowrap}
.world-entry-action span{font-size:17px;transition:transform .2s}
.world-entry:hover .world-entry-action span{transform:translate(3px,-3px)}
.object-entry{border-color:#605444;background:rgba(89,65,44,.25)}
.object-entry:hover{background:rgba(89,65,44,.45);border-color:#c6ae8b}
.object-entry .world-entry-index,.object-entry .world-entry-title small{color:#c6ae8b}
.sound-entry{grid-column:1/-1;grid-template-columns:150px minmax(0,1fr) auto;grid-template-rows:1fr;min-height:54px;padding-block:8px;border-color:#6b5660;background:rgba(84,58,72,.25)}
.sound-entry:hover{background:rgba(84,58,72,.46);border-color:#dec0a8}
.sound-entry .world-entry-index,.sound-entry .world-entry-title small{color:#dec0a8}
.sound-entry .world-entry-title small{display:inline;margin-left:14px}
.sound-entry .world-entry-action{grid-column:3;grid-row:1}
#heroCanvas{width:100%;height:min(52vh,420px);cursor:crosshair}
#heroSub{width:100%;height:54px;opacity:.85}
.hero-foot{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;
  border-top:1px dashed var(--line);padding-top:10px;margin-top:4px}
.hero-sub,.hero-hint{margin:0;color:var(--dim);font-size:11.5px;letter-spacing:.05em}
.hero-sub b{color:var(--ink);font-weight:400}
.hero-hint{color:var(--dim2)}

/* ── 跑马灯 ─────────────────────────── */
.ticker{
  position:relative;z-index:1;margin-top:22px;overflow:hidden;
  border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);
  padding:7px 0;background:rgba(255,255,255,.012);
}
.ticker-track{
  display:inline-block;white-space:nowrap;font-family:var(--dot);font-size:13px;
  color:var(--dim2);letter-spacing:.12em;
  animation:slide 78s linear infinite;
}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── 区块骨架 ───────────────────────── */
main{position:relative;z-index:1;max-width:1500px;margin:0 auto;padding:0 18px}
.library,.lab,.about{padding-top:64px}
.dot-title{
  font-family:var(--dot);font-size:26px;letter-spacing:.16em;
  display:flex;align-items:center;gap:12px;
}
.dot-title::after{content:"";flex:1;height:1px;background:repeating-linear-gradient(90deg,var(--line2) 0 1px,transparent 1px 6px)}
.lib-head{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.count{color:var(--dim2);font-size:11px;letter-spacing:.14em}
.count b{color:var(--ink);font-weight:400}
.lib{display:grid;grid-template-columns:190px 1fr;gap:26px;align-items:start}

/* ── 侧栏 ───────────────────────────── */
.side{position:sticky;top:70px;display:flex;flex-direction:column;gap:20px}
.side-block h3{font-size:10.5px;letter-spacing:.16em;color:var(--dim2);font-weight:400;margin-bottom:8px}
.side-block h3 b{color:var(--ink);font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  appearance:none;background:transparent;border:1px dotted var(--line2);color:var(--dim);
  font-family:var(--mono);font-size:11px;padding:4px 9px;cursor:pointer;transition:all .15s;
}
.chip:hover{color:var(--ink);border-color:var(--dim2)}
.chip.on{color:#07080a;background:var(--ink);border-color:var(--ink)}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;cursor:pointer;
}
input[type=range]::-webkit-slider-runnable-track{height:1px;background:repeating-linear-gradient(90deg,var(--line2) 0 2px,transparent 2px 6px)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:9px;height:9px;border-radius:50%;background:var(--ink);margin-top:-4px}
input[type=range]::-moz-range-track{height:1px;background:var(--line2)}
input[type=range]::-moz-range-thumb{width:9px;height:9px;border:0;border-radius:50%;background:var(--ink)}

/* ── 卡片网格 ───────────────────────── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:14px}
.card{
  position:relative;border:1px dotted var(--line2);cursor:pointer;
  background:linear-gradient(180deg,rgba(255,255,255,.018),transparent 70%);
  transition:border-color .2s,transform .2s,background .2s;
}
.card:hover,.card:focus-visible{border-color:var(--c);transform:translateY(-3px);outline:none}
.card:hover .card-m h3,.card:focus-visible .card-m h3{color:var(--c)}
.card canvas{width:100%;height:126px}
.card-m{padding:9px 12px 11px;border-top:1px dotted var(--line)}
.card-m h3{font-family:var(--dot);font-size:15px;letter-spacing:.08em;display:flex;align-items:baseline;gap:8px;transition:color .2s}
.card-m h3 span{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--dim2)}
.card-m p{margin:2px 0 0;color:var(--dim2);font-size:10.5px;letter-spacing:.04em}
.strip{display:block;position:relative;height:3px;margin-top:9px;
  background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 4px)}
.strip i{position:absolute;left:0;top:0;height:100%;
  background:repeating-linear-gradient(90deg,var(--c) 0 1px,transparent 1px 4px)}
.fav{
  position:absolute;top:6px;right:6px;z-index:2;appearance:none;background:rgba(7,8,10,.6);
  border:1px dotted var(--line2);color:var(--dim2);font-size:11px;line-height:1;
  padding:3px 5px;cursor:pointer;transition:color .15s,border-color .15s;
}
.fav:hover{color:var(--ink);border-color:var(--dim2)}
.fav.on{color:#ffd166;border-color:#ffd166}
.empty{grid-column:1/-1;color:var(--dim2);padding:40px 0;text-align:center}
.more{grid-column:2;display:flex;align-items:center;gap:14px;padding:22px 0 0}

/* ── 实验室 ─────────────────────────── */
.lab-ctrls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.txt,select{
  height:30px;padding:0 10px;color:var(--ink);background:transparent;
  border:1px dotted var(--line2);font-family:var(--mono);font-size:11.5px;
}
.txt{min-width:150px}
select{color:var(--dim)}
option{background:#0b0d12;color:var(--ink)}
.txt:focus,select:focus{outline:none;border-color:var(--dim2)}
.lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lab-grid figure{margin:0;border:1px dotted var(--line2);background:linear-gradient(180deg,rgba(255,255,255,.018),transparent 70%)}
.lab-grid figcaption{padding:6px 10px;font-size:10px;letter-spacing:.16em;color:var(--dim2);border-bottom:1px dotted var(--line)}
.lab-grid canvas{width:100%;height:210px}
.lab-b{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px;align-items:center}
.lab-b label{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:11px;letter-spacing:.05em}
.lab-b input[type=range]{width:130px}
.lab-b b{color:var(--ink);font-weight:400}

/* ── 关于 / 页脚 ─────────────────────── */
.about p{max-width:76ch;color:var(--dim);font-size:12.5px}
.about-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:4px;color:var(--dim2);font-size:11.5px}
.about-list li::before{content:"· "}
.foot{
  position:relative;z-index:1;max-width:1500px;margin:64px auto 0;padding:16px 18px 30px;
  border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--dim2);font-size:11px;letter-spacing:.05em;
}

/* ── 详情弹窗 ───────────────────────── */
.modal{position:fixed;inset:0;z-index:60;background:rgba(5,6,8,.86);backdrop-filter:blur(6px);
  display:flex;align-items:flex-start;justify-content:center;padding:26px 16px;overflow:auto}
.modal[hidden]{display:none}
.modal-inner{width:100%;max-width:1080px;border:1px dotted var(--line2);background:#08090c;padding:18px}
.modal-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.modal-head .language-switch{position:static;margin-left:auto}
.modal-head h2{font-family:var(--dot);font-size:24px;letter-spacing:.1em;color:var(--c,var(--ink))}
.modal-head h2 small{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--dim2);margin-left:8px}
.modal-nav{margin-left:auto;display:flex;gap:7px}
#stageCanvas{width:100%;height:min(44vh,360px);border:1px dotted var(--line)}
.ctrls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:12px 0;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.ctrls label{display:flex;align-items:center;gap:7px;color:var(--dim);font-size:11px}
.ctrls input[type=range]{width:110px}
.ctrls b{color:var(--ink);font-weight:400}
.ctrls .scrub{flex:1;min-width:180px}
.check{color:var(--dim);font-size:11px;display:flex;align-items:center;gap:6px;cursor:pointer}
.check input{accent-color:#eceadf}
.stage-grid{display:grid;grid-template-columns:1.1fr .9fr 1.2fr;gap:14px}
.panel{border:1px dotted var(--line2);padding:12px;min-width:0}
.panel h3{font-size:10.5px;letter-spacing:.16em;color:var(--dim2);margin-bottom:9px}
.panel h3.mt{margin-top:16px}
.kw{display:flex;flex-wrap:wrap;gap:5px}
.kw span{font-size:10px;color:var(--dim);border:1px dotted var(--line2);padding:2px 6px}
#timeCanvas{width:100%;height:64px}
.presets{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:0 0 12px;
  padding-bottom:12px;border-bottom:1px dashed var(--line)}
.presets span{font-size:10px;letter-spacing:.16em;color:var(--dim2);margin-right:2px}
.presets button{
  appearance:none;background:transparent;border:1px dotted var(--line2);color:var(--dim);
  font-family:var(--dot);font-size:12px;padding:2px 9px;cursor:pointer;transition:all .15s;
}
.presets button:hover{color:var(--ink);border-color:var(--c,var(--dim2))}
.variants{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}
.variants figure{margin:0;border:1px dotted var(--line2)}
.variants canvas{width:100%;height:150px}
.variants figcaption{padding:5px 9px;font-size:10px;letter-spacing:.1em;color:var(--dim2);border-top:1px dotted var(--line)}
.stage-notes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.stage-notes p{margin:0;font-size:11.5px;color:var(--dim);line-height:1.75}
.stage-notes pre{max-height:120px}
.pipe{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0 6px}
.pipe figure{margin:0;border:1px dotted var(--line2)}
.pipe canvas{width:100%;height:128px}
.pipe figcaption{padding:6px 10px;font-size:10px;letter-spacing:.12em;color:var(--dim2);border-top:1px dotted var(--line)}
.panel dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:11.5px}
.panel dt{color:var(--dim2);letter-spacing:.05em}
.panel dd{margin:0;color:var(--ink)}
#easeCanvas{width:100%;height:96px}
.tiny{color:var(--dim2);font-size:10.5px;margin:8px 0 0;word-break:break-all}
.tabs{display:flex;gap:6px;margin-bottom:9px}
.tabs button{appearance:none;background:transparent;border:1px dotted var(--line2);color:var(--dim);
  font-family:var(--mono);font-size:10.5px;padding:3px 9px;cursor:pointer}
.tabs button.on{color:#07080a;background:var(--ink);border-color:var(--ink)}
pre{
  margin:0;padding:10px;max-height:230px;overflow:auto;background:rgba(255,255,255,.02);
  border:1px dotted var(--line);color:var(--dim);font-size:11px;line-height:1.65;white-space:pre-wrap;
}
.code .btn{margin-top:9px}

@media (max-width:900px){
  .lib{grid-template-columns:1fr}
  .more{grid-column:1}
  .side{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}
  .stage-grid{grid-template-columns:1fr}
  .stage-notes{grid-template-columns:1fr 1fr}
  .variants{grid-template-columns:1fr}
  .pipe{grid-template-columns:1fr}
  .lab-grid{grid-template-columns:1fr}
  .nav{display:none}
  .bar{height:auto;min-height:52px;flex-wrap:wrap;padding:10px 18px}
  .tools{width:100%;margin-left:0;padding-right:90px}
  .language-switch{position:absolute;top:10px;right:18px}
  .lib-head{flex-wrap:wrap}
  .lib-head .dot-title{width:100%}
}
@media (max-width:700px){
  .hero-entries{grid-template-columns:1fr}
  .world-entry{min-height:68px}
  .sound-entry{grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto}
  .sound-entry .world-entry-title{grid-column:1;grid-row:2}
  .sound-entry .world-entry-title small{display:block;margin:2px 0 0}
  .sound-entry .world-entry-action{grid-column:2;grid-row:1/3}
}
@media (max-width:640px){
  .tools{padding-right:0;padding-top:30px}
  .modal-nav{width:100%;margin-left:0;flex-wrap:wrap}
  .modal-head h2{min-width:0;overflow-wrap:anywhere}
  .search input{width:min(190px,calc(100vw - 85px))}
  .world-entry{gap:4px 10px;padding:10px 12px}
  .world-entry-action{gap:6px}
}
@media (prefers-reduced-motion:reduce){
  .ticker-track{animation:none}
}