/* ==========================================================================
   TOKENWISE — 暗色电影玻璃设计系统
   字体: Hanken Grotesk (UI/display) · Noto Sans SC (CJK body) · DM Mono (data)
   ========================================================================== */
:root{
  --ember:#FF6A3D;
  --ember-deep:#E23B1A;
  --ember-soft:rgba(255,106,61,.14);
  --amber:#F0A33A;          /* 风险注 */
  --bg:#0A0A0B;
  --bg-2:#0E0E10;
  --surface:#141417;
  --surface-2:#1A1A1F;
  --surface-3:#212128;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --text:#ECECEE;
  --text-2:#B6B6BC;
  --text-3:#86868C;
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
  --read:46rem;
  --font:'Hanken Grotesk','Noto Sans SC',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.em{color:var(--ember)}
h1,h2,h3,h4{font-weight:600;letter-spacing:0;line-height:1.18}
::selection{background:var(--ember);color:#0A0A0B}

/* ---------- liquid glass (模板原样) ---------- */
.liquid-glass{
  background:rgba(255,255,255,0.01);background-blend-mode:luminosity;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  border:none;box-shadow:inset 0 1px 1px rgba(255,255,255,0.1);
  position:relative;overflow:hidden;color:#fff;
}
.liquid-glass::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1.4px;
  background:linear-gradient(180deg,rgba(255,255,255,0.45) 0%,rgba(255,255,255,0.15) 20%,rgba(255,255,255,0) 40%,rgba(255,255,255,0) 60%,rgba(255,255,255,0.15) 80%,rgba(255,255,255,0.45) 100%);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}

/* ---------- blur-fade-up (模板原样) ---------- */
@keyframes blurFadeUp{
  from{opacity:0;filter:blur(20px);transform:translateY(40px)}
  to{opacity:1;filter:blur(0);transform:translateY(0)}
}
.afu{opacity:0;animation:blurFadeUp 1s ease-out forwards}
@media(prefers-reduced-motion:reduce){
  .afu{animation:none;opacity:1}
  html{scroll-behavior:auto}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  font-weight:600;font-size:14.5px;padding:11px 22px;cursor:pointer;border:none;
  transition:transform .15s,background .18s,box-shadow .18s;white-space:nowrap;line-height:1}
.btn:active{transform:translateY(1px)}
.btn-solid{background:#fff;color:#0A0A0B}
.btn-solid:hover{background:#e9e9ea}
.btn-ember{background:var(--ember);color:#120402}
.btn-ember:hover{background:#ff7c54;box-shadow:0 10px 30px -12px rgba(255,106,61,.7)}
.btn-glass{color:#fff;padding:11px 22px}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--line-2);background:var(--surface-3)}
.btn svg{flex:none}

/* ---------- top conversion-aware navbar ---------- */
.nav{position:relative;z-index:50;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:18px 22px;max-width:var(--maxw);margin:0 auto}
.nav.solid-nav{position:sticky;top:0;background:rgba(10,10,11,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);max-width:none}
.nav.solid-nav>.nav-inner{max-width:var(--maxw);margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:9px;color:#fff;flex:none}
.brand .glyph{width:30px;height:30px;border-radius:7px;flex:none;position:relative;
  background:linear-gradient(140deg,var(--ember),var(--ember-deep));
  box-shadow:0 0 18px -2px rgba(255,106,61,.55)}
.brand .glyph:after{content:"";position:absolute;left:13px;top:6px;width:3px;height:18px;background:#0A0A0B;opacity:.85}
.brand .word{font-weight:700;font-size:19px;letter-spacing:0}
.brand .word b{color:var(--ember);font-weight:700}
.nav-links{display:none;gap:24px;align-items:center}
.nav-links a{color:#dfdfe1;font-size:14px;transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ember)}
.nav-right{display:flex;align-items:center;gap:10px}
.code-chip{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 8px 7px 13px}
.code-chip .lbl{font-size:10px;letter-spacing:.13em;color:#cfcfd2;text-transform:uppercase}
.code-chip .val{font-size:14px;font-weight:500;letter-spacing:.05em;color:#fff}
.copy-btn{cursor:pointer;border:none;background:rgba(255,255,255,.13);color:#fff;
  font-family:var(--mono);font-size:11.5px;border-radius:999px;padding:4px 10px;transition:.18s}
.copy-btn:hover{background:var(--ember);color:#120402}
.copy-btn.done{background:#1f9d57;color:#fff}
.hamb{display:inline-flex;width:42px;height:42px;border-radius:999px;align-items:center;justify-content:center;cursor:pointer;color:#fff}
.hamb svg{transition:transform .4s ease,opacity .3s}

/* mobile dropdown */
.mnav{position:absolute;left:14px;right:14px;top:70px;z-index:49;border-radius:var(--radius);
  background:rgba(16,16,19,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--line);box-shadow:0 30px 60px -20px rgba(0,0,0,.7);padding:10px;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:.35s ease}
.mnav.open{transform:translateY(0);opacity:1;pointer-events:auto}
.mnav a{display:block;padding:12px 14px;border-radius:10px;color:#e7e7e9;font-size:15px}
.mnav a:hover{background:var(--surface-3);color:var(--ember)}

/* ---------- home hero (video) ---------- */
.home{height:100svh;min-height:600px;position:relative;overflow:hidden}
.bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.blur-veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  -webkit-mask-image:linear-gradient(to top,#000 0%,transparent 45%);
  mask-image:linear-gradient(to top,#000 0%,transparent 45%)}
.scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(to top,rgba(0,0,0,.62) 0%,rgba(0,0,0,.18) 24%,transparent 46%)}
.home .shell{position:relative;z-index:10;display:flex;flex-direction:column;height:100%}
.hero{flex:1;display:flex;flex-direction:column;justify-content:flex-end;padding:16px 22px 30px;z-index:10}
.hero-row{display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:#e4e4e6;align-items:center}
.meta .it{display:inline-flex;align-items:center;gap:7px}
.meta b{font-weight:600}
.hero h1{font-weight:600;letter-spacing:0;line-height:1.05;font-size:clamp(30px,8vw,66px);max-width:15ch;color:#fff}
.hero .lede{font-size:clamp(14px,3.6vw,19px);color:#cdcdd0;max-width:36ch;font-weight:300}
.convo{display:flex;flex-direction:column;gap:12px;width:100%;margin-top:20px}
.cta-row{display:flex;flex-wrap:wrap;gap:11px;align-items:center}
.convo-line{font-size:12.5px;color:#cfcfd2}
.convo-line b{color:#fff;font-weight:600}.convo-line .pct{color:var(--ember);font-weight:700}
.convo-line sup{color:var(--ember)}
.convo-fn{color:#9a9a9d;font-size:11.5px}
.quick-pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:9px 16px;color:#fff;font-size:13.5px}
.scroll-cue{display:flex;align-items:center;gap:8px;color:#bdbdc0;font-size:12px;
  font-family:var(--mono);justify-content:center;padding:14px 0 4px}

/* ---------- page header (内页非视频) ---------- */
.page-head{position:relative;border-bottom:1px solid var(--line);
  background:radial-gradient(120% 140% at 80% -20%,rgba(255,106,61,.18),transparent 55%),var(--bg)}

/* ---------- sections ---------- */
.section{padding:64px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:none}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,3.4vw,32px)}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ember);margin-bottom:10px}
.sec-head p{color:var(--text-2);font-size:14.5px;max-width:52ch}
.lead-link{color:var(--text-2);font-size:14px;display:inline-flex;gap:6px;align-items:center}
.lead-link:hover{color:var(--ember)}

/* card grid */
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:1fr}
.grid.c3{grid-template-columns:1fr}
.grid.c4{grid-template-columns:1fr 1fr}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;transition:border-color .2s,transform .2s,background .2s;display:flex;flex-direction:column;gap:9px}
.card:hover{border-color:var(--line-2);background:var(--surface-2);transform:translateY(-2px)}
.card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ember);text-transform:uppercase}
.card h3{font-size:17.5px;line-height:1.35}
.card p{color:var(--text-2);font-size:13.8px;line-height:1.6}
.card .rd{margin-top:auto;color:var(--text-3);font-size:12.5px;font-family:var(--mono);display:inline-flex;gap:6px;align-items:center}
.card:hover .rd{color:var(--ember)}
.card-cover{border-radius:10px;overflow:hidden;margin:-20px -20px 4px;border-bottom:1px solid var(--line)}
.card-cover img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover}

/* tool tile */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  display:flex;gap:13px;align-items:flex-start;transition:.2s}
.tool:hover{border-color:var(--ember);background:var(--surface-2)}
.tool .ic{width:40px;height:40px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--ember-soft);color:var(--ember)}
.tool h3{font-size:15.5px;margin-bottom:3px}
.tool p{color:var(--text-2);font-size:13px;line-height:1.55}

/* link hub (§10 宽内链) */
.hub{display:grid;grid-template-columns:1fr;gap:26px}
.hub-col h4{font-size:13px;letter-spacing:.04em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;font-family:var(--mono)}
.hub-col ul{list-style:none;display:flex;flex-direction:column;gap:2px}
.hub-col li a{display:block;padding:7px 0;color:var(--text-2);font-size:14px;border-bottom:1px solid transparent;transition:.16s}
.hub-col li a:hover{color:var(--ember);padding-left:6px}

/* ---------- article ---------- */
.article{padding:34px 0 10px}
.crumb{font-family:var(--mono);font-size:12px;color:var(--text-3);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--ember)}
.art-head{max-width:var(--read);margin:0 auto}
.art-head .kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ember);margin-bottom:14px}
.art-head h1{font-size:clamp(26px,4.6vw,42px);line-height:1.16;margin-bottom:16px}
.art-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--text-3);font-size:13px;align-items:center;font-family:var(--mono)}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
figure.article-cover{max-width:var(--maxw);margin:28px auto;padding:0 22px}
figure.article-cover img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line)}
figure.article-cover figcaption{color:var(--text-3);font-size:12.5px;margin-top:9px;text-align:center}
.art-body{max-width:var(--read);margin:0 auto;padding:8px 0 20px;font-size:17px;color:#dcdce0}
.art-body p{margin:0 0 20px}
.art-body h2{font-size:25px;margin:42px 0 14px;padding-top:8px}
.art-body h3{font-size:19.5px;margin:30px 0 10px;color:#fff}
.art-body ul,.art-body ol{margin:0 0 22px;padding-left:22px}
.art-body li{margin:0 0 9px}
.art-body a{color:var(--ember);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(255,106,61,.4)}
.art-body a:hover{text-decoration-color:var(--ember)}
.art-body strong{color:#fff;font-weight:600}
.art-body blockquote{border-left:3px solid var(--ember);background:var(--surface);margin:24px 0;padding:14px 18px;border-radius:0 10px 10px 0;color:var(--text-2)}
.art-body code{font-family:var(--mono);background:var(--surface-2);padding:2px 6px;border-radius:5px;font-size:.88em;color:#ffd9c9}
.art-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.art-body th{background:var(--surface-2);color:#fff;font-weight:600}
.art-body figure{margin:26px 0}
.art-body figure img{border-radius:10px;border:1px solid var(--line)}
.art-body figcaption{color:var(--text-3);font-size:12.5px;margin-top:8px}

/* TOC */
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:6px auto 30px;max-width:var(--read)}
.toc .t{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:10px}
.toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:6px}
.toc li{counter-increment:toc}
.toc a{color:var(--text-2);font-size:14.5px;display:flex;gap:10px}
.toc a:before{content:counter(toc,decimal-leading-zero);font-family:var(--mono);color:var(--ember);font-size:12px}
.toc a:hover{color:var(--ember)}

/* callouts */
.note{border:1px solid var(--line);border-left:3px solid var(--amber);background:rgba(240,163,58,.06);
  border-radius:0 10px 10px 0;padding:14px 16px;margin:24px 0;font-size:14.5px;color:#e8d9bd}
.note .h{color:var(--amber);font-weight:600;display:block;margin-bottom:4px;font-size:13.5px}
.note.risk{border-left-color:var(--ember-deep);background:rgba(226,59,26,.07);color:#f0cfc6}
.note.risk .h{color:var(--ember)}

/* affiliate inline cta */
.aff-cta{background:linear-gradient(135deg,var(--surface-2),var(--surface));border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;margin:30px auto;max-width:var(--read);display:flex;flex-direction:column;gap:12px}
.aff-cta .h{font-size:17px;color:#fff;font-weight:600}
.aff-cta p{font-size:13.8px;color:var(--text-2);margin:0}
.aff-cta .row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.aff-cta .codeb{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 8px 7px 13px;background:var(--bg);border:1px solid var(--line)}
.aff-cta .codeb .v{font-family:var(--mono);font-weight:500}
.aff-fn{font-size:11.5px;color:var(--text-3)}

/* author box */
.author{display:flex;gap:14px;align-items:flex-start;max-width:var(--read);margin:36px auto;padding:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.author .av{width:46px;height:46px;border-radius:50%;flex:none;background:linear-gradient(140deg,var(--surface-3),var(--ember-deep))}
.author .nm{font-weight:600;color:#fff;font-size:15px}
.author .bio{color:var(--text-2);font-size:13.3px;margin-top:3px}

/* related */
.related{max-width:var(--maxw);margin:0 auto;padding:10px 22px 0}

/* ---------- tool page ui ---------- */
.tool-wrap{max-width:760px;margin:0 auto;padding:14px 22px 40px}
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:18px 0}
.field{margin:0 0 16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px}
.field input,.field select{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:10px;
  color:var(--text);font-family:var(--font);font-size:15px;padding:11px 13px;transition:border-color .15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--ember)}
.field .hint{font-size:12px;color:var(--text-3);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr;gap:14px}
.result{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:18px;margin-top:6px}
.result .big{font-family:var(--mono);font-size:26px;color:var(--ember);font-weight:500}
.result .rowt{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.result .rowt:last-child{border-bottom:none}
.result .rowt span:first-child{color:var(--text-2)}
.result .rowt span:last-child{font-family:var(--mono)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{border:1px solid var(--line);padding:9px 11px;text-align:left}
table.data th{background:var(--surface-2);color:#fff;cursor:pointer;font-size:13px}
table.data td.mono{font-family:var(--mono)}
.src-note{font-size:12px;color:var(--text-3);margin-top:12px;border-top:1px dashed var(--line);padding-top:10px}

/* steps */
.stepper{counter-reset:st;display:flex;flex-direction:column;gap:12px}
.step{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.step:before{counter-increment:st;content:counter(st);flex:none;width:30px;height:30px;border-radius:50%;
  background:var(--ember-soft);color:var(--ember);font-family:var(--mono);display:flex;align-items:center;justify-content:center;font-size:14px}
.step h4{font-size:15px;margin-bottom:4px}
.step p{color:var(--text-2);font-size:13.5px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--bg-2);margin-top:40px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:46px 22px 30px;display:grid;grid-template-columns:1fr;gap:30px}
.foot-brand .word{font-weight:700;font-size:18px}
.foot-brand p{color:var(--text-3);font-size:13px;margin-top:10px;max-width:34ch}
.foot-col h4{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px;font-family:var(--mono)}
.foot-col a{display:block;color:var(--text-2);font-size:13.8px;padding:5px 0}
.foot-col a:hover{color:var(--ember)}
.foot-bottom{border-top:1px solid var(--line);padding:18px 22px;max-width:var(--maxw);margin:0 auto;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--text-3);font-size:12.5px}
.foot-risk{max-width:var(--maxw);margin:0 auto;padding:0 22px 20px}
.foot-risk p{font-size:11.8px;color:var(--text-3);line-height:1.6;border:1px solid var(--line);border-radius:10px;padding:13px 15px;background:var(--surface)}

/* ---------- responsive ---------- */
@media(min-width:640px){
  .field-row{grid-template-columns:1fr 1fr}
  .grid.c2{grid-template-columns:1fr 1fr}
  .grid.c3{grid-template-columns:1fr 1fr}
  .grid.c4{grid-template-columns:1fr 1fr}
  .hub{grid-template-columns:1fr 1fr}
  .foot-in{grid-template-columns:2fr 1fr 1fr}
}
@media(min-width:960px){
  .grid.c3{grid-template-columns:repeat(3,1fr)}
  .grid.c4{grid-template-columns:repeat(4,1fr)}
  .hub{grid-template-columns:repeat(4,1fr)}
  .foot-in{grid-template-columns:2.4fr 1fr 1fr 1fr}
}
@media(min-width:1024px){
  .nav{padding:24px 22px}
  .nav-links{display:flex}
  .hamb{display:none}
  .hero{padding:0 30px 60px;max-width:var(--maxw);margin:0 auto;width:100%}
  .hero-row{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:40px}
  .hero-main{flex:1}
  .hero .lede{max-width:48ch;margin-top:4px}
}
/* keep code-chip+register visible on mobile (§9) */
@media(max-width:1023px){
  .nav-right .code-chip .lbl{display:none}
}
@media(min-width:1024px){.home .shell .nav{max-width:var(--maxw)}}

/* touch targets */
@media(max-width:760px){
  .btn,.copy-btn,.hamb,.pill{min-height:44px}
  .copy-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px}
  .lang-btn{min-width:44px;min-height:44px;justify-content:center}
  .lang-menu a{min-height:44px}
  .art-body table,table.data{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .art-body th,.art-body td,table.data th,table.data td{white-space:normal;overflow-wrap:anywhere}
}
@media(max-width:480px){
  .nav{padding:14px;gap:8px}
  .nav.solid-nav{padding:12px 14px}
  .nav.solid-nav>.nav-inner{gap:8px}
  .brand .word{display:none}
  .nav-right{gap:6px;min-width:0}
  .nav-right .code-chip{display:none}
  .nav-right .btn-solid{padding:0 12px;font-size:13.5px;min-height:44px}
  .hamb{width:44px;height:44px}
}

/* print */
@media print{
  .bg-video,.blur-veil,.scrim,.nav,.foot,.aff-cta,.quick-pills{display:none}
  body{background:#fff;color:#000}
}

/* ---------- 语种切换器(autonym 下拉) ---------- */
.lang-switch{position:relative;flex:none}
.lang-btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);color:#e7e7e9;
  border-radius:999px;padding:7px 10px;font-family:var(--font);font-size:13px;line-height:1;transition:.15s}
.lang-btn:hover{border-color:var(--ember);color:#fff}
.lang-btn .chev{transition:transform .2s}
.lang-switch.open .lang-btn .chev,.lang-switch:hover .lang-btn .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:60;min-width:150px;
  background:rgba(16,16,19,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 44px -18px rgba(0,0,0,.75);
  padding:6px;opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s}
.lang-switch.open .lang-menu,.lang-switch:hover .lang-menu{opacity:1;transform:translateY(0);pointer-events:auto}
.lang-menu a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;
  color:#dcdce0;font-size:14px;text-decoration:none;transition:.15s}
.lang-menu a:hover{background:var(--surface-3);color:var(--ember)}
.lang-menu a[aria-current="true"]{color:var(--ember)}
.lang-menu a .tick{margin-left:auto;color:var(--ember);opacity:0}
.lang-menu a[aria-current="true"] .tick{opacity:1}
.lang-menu a .en2{color:var(--text-3);font-size:12px}
@media(max-width:1023px){.lang-btn .cur{display:none}.lang-btn{padding:9px}}