:root {
  --bg: #05070a;
  --ink: #0d1117;
  --panel: #10151d;
  --line: #1f2937;
  --line-hot: rgba(124, 196, 0, 0.28);
  --lime: #7cc400;
  --lime-bright: #32cd32;
  --lime-ink: #0c1a27;
  --text: #e8edf2;
  --muted: #9aa4b2;
  --soft: #cfd8dc;
  --danger: #ff4d4d;
  --orange: #ff9100;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius: 12px;
  --header: 88px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scrollbar-color: var(--lime) #0c1a27; scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Outfit, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; border: 0; }
a { color: var(--lime); text-decoration: none; }
a:hover { color: var(--lime-bright); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
.skip {
  position: absolute; left: -999px; top: 8px;
}
.skip:focus { left: 8px; z-index: 80; background: var(--lime); color: #08110a; padding: 8px 12px; border-radius: 6px; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.page, .header, .footer { isolation: isolate; }
.page { padding-top: calc(var(--header) + 24px); position: relative; z-index: 1; }

/* matrix rain — side gutters only (see matrix-bg.js) */
#rain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.16;
}

/* header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  min-height: var(--header);
  background: rgba(5, 7, 10, 0.92);
  border-bottom: 1px solid #111820;
  backdrop-filter: blur(14px);
}
.header__in {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex; align-items: center; gap: 10px; flex: 0 0 auto;
  text-decoration: none; color: var(--text);
}
.logo-mark {
  display: block; width: 36px; height: 36px; flex: 0 0 36px;
}
.logo-text {
  display: flex; flex-direction: column; line-height: 1.05; min-width: 0;
}
.logo-text strong {
  font-size: 15px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
}
.logo-text small {
  font-size: 9px; font-weight: 600; letter-spacing: 0.14em; color: var(--muted);
  text-transform: uppercase;
}
.logo-img {
  display: block; height: 40px; width: auto;
  max-width: min(220px, 56vw); object-fit: contain;
}
@media (max-width: 480px) {
  .logo-text small { display: none; }
  .logo-text strong { font-size: 13px; }
  .logo-mark { width: 32px; height: 32px; flex-basis: 32px; }
  .logo-img { height: 34px; max-width: min(190px, 58vw); }
}
.nav { display: flex; align-items: center; gap: 6px; margin-left: auto; list-style: none; }
.nav > li { list-style: none; position: relative; }
.nav, .nav ul { margin: 0; padding: 0; }
.nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text); padding: 10px 12px; border-radius: 8px;
  text-transform: uppercase; font-size: 13px; font-weight: 600; letter-spacing: 0.4px;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.is-open { color: var(--lime); background: rgba(124, 196, 0, 0.06); }
.nav-link img { width: 22px; height: 22px; }
.mega {
  display: none; position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  min-width: 520px; padding: 16px;
  background: #0b1016; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
}
.nav > li:hover > .mega, .nav > li:focus-within > .mega, .mega.is-open { display: grid; }
.mega--menu { grid-template-columns: 1fr 1fr; gap: 6px; min-width: 380px; }
.mega--coins { grid-template-columns: 1fr 1fr; gap: 4px 18px; min-width: 640px; left: auto; right: 0; transform: none; }
.mega a {
  display: flex; align-items: center; gap: 10px;
  color: var(--soft); padding: 8px 6px; border-radius: 8px; font-size: 14px;
}
.mega a:hover { background: #141b24; color: #fff; }
.mega img { width: 22px; height: 22px; }
.hot {
  display: inline-flex; align-items: center; height: 18px; padding: 0 7px;
  margin-left: auto; border-radius: 999px; font-size: 10px; font-weight: 800;
  letter-spacing: 0.6px; color: #fff;
  background: linear-gradient(180deg, #ff6a00, #ff2d00);
  animation: pulse 1.6s ease-in-out infinite alternate;
}
@keyframes pulse {
  from { box-shadow: 0 0 6px rgba(255,106,0,.45); }
  to { box-shadow: 0 0 14px rgba(255,45,0,.55); }
}
.lang-switch {
  display: inline-flex; align-items: center; gap: 4px;
  margin-left: 8px; padding: 3px; border: 1px solid var(--line); border-radius: 999px;
}
.lang-switch button {
  min-width: 40px; height: 32px; border-radius: 999px;
  color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: 0.4px;
}
.lang-switch button.is-on { background: var(--lime); color: #08110a; }
.lang-switch button:hover:not(.is-on) { color: var(--text); }
.burger {
  display: none; width: 44px; height: 44px; margin-left: auto; flex: 0 0 44px;
  border: 1px solid var(--lime); border-radius: 10px; position: relative; background: #10151d;
  z-index: 50;
}
.burger span, .burger::before, .burger::after {
  content: ""; position: absolute; left: 12px; right: 12px; height: 2px; background: var(--lime);
}
.burger::before { top: 15px; }
.burger span { top: 21px; }
.burger::after { top: 27px; }

/* hero */
.hero { padding: 28px 0 12px; }
.kicker {
  color: #b6ff7a; font-size: 13px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; margin: 0 0 8px;
}
.hero h1, .page-head h1 {
  margin: 0; font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08; letter-spacing: 0.5px; word-spacing: 0.12em;
  text-transform: uppercase; font-weight: 700;
}
.lede { color: var(--muted); max-width: 62ch; font-size: 1.05rem; margin: 12px 0 0; }

/* ticker */
.ticker { position: relative; overflow: hidden; padding: 28px 0 8px; }
.ticker-tag {
  position: absolute; top: 0; left: 0; z-index: 2;
  background: #0f0; color: var(--lime-ink);
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px;
  padding: 3px 8px; border-radius: 4px 0 4px 0;
  box-shadow: 0 0 8px rgba(0,255,0,.45);
}
.ticker-track { display: flex; width: max-content; animation: slide 90s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.tick {
  display: flex; align-items: center; gap: 10px; min-width: 188px;
  margin: 0 10px; padding: 8px 14px; border-radius: 10px;
  background: rgba(255,255,255,.05);
}
.tick img { width: 28px; height: 28px; background: #fff; border-radius: 50%; padding: 3px; }
.tick b { display: block; color: #0f0; font-size: 12px; }
.tick span { color: #ccc; font-size: 12px; }

.section { padding: 40px 0; }
.section-head { text-align: center; margin-bottom: 28px; }
.section-head .kicker { text-align: center; color: var(--lime); }
.section-head h2 {
  margin: 0; font-size: clamp(1.6rem, 3vw, 2rem);
  text-transform: uppercase; letter-spacing: 0.6px;
}

/* coins */
.picker { display: none; margin: 18px 0; }
.picker label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.picker-btn, .field, .select {
  width: 100%; background: var(--panel); border: 1px solid #2f3b4a;
  border-radius: 8px; padding: 12px 14px; color: var(--text);
}
.picker-btn { display: flex; align-items: center; gap: 10px; text-align: left; }
.picker-btn img { width: 28px; height: 28px; }
.picker-btn em { margin-left: auto; color: var(--lime); font-style: normal; font-weight: 700; }
.picker-list {
  display: none; margin-top: 6px; background: #0b1016;
  border: 1px solid var(--lime-bright); border-radius: 0 0 8px 8px; max-height: 280px; overflow: auto;
}
.picker-list.is-open { display: block; }
.picker-list button {
  display: flex; width: 100%; align-items: center; gap: 10px;
  padding: 10px 12px; color: var(--soft);
}
.picker-list button:hover { background: #1a1f25; color: var(--lime); }
.picker-list img { width: 22px; height: 22px; }

.cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.card {
  position: relative; background: var(--ink); border: 1px solid var(--line-hot);
  border-radius: var(--radius); padding: 22px 16px 20px; text-align: center;
  min-height: 234px; overflow: hidden; transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover {
  border-color: var(--lime-bright);
  box-shadow: 0 8px 20px rgba(50,205,50,.18);
  transform: translateY(-3px);
}
.card img { width: 72px; height: 72px; }
.card h3 { margin: 12px 0 14px; font-size: 15px; text-transform: uppercase; }
.mix-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 80%; min-height: 42px; border-radius: 999px;
  background: var(--lime-bright); color: var(--lime-ink); font-weight: 800;
  letter-spacing: 0.4px; text-transform: uppercase;
}
.mix-btn:hover { background: #7cfc00; color: var(--lime-ink); transform: scale(1.04); }
.info {
  position: absolute; top: 8px; right: 10px; width: 32px; height: 32px;
  color: var(--lime); font-size: 22px; font-weight: 700; line-height: 1;
}
.ribbon {
  position: absolute; top: 14px; left: -28px; width: 110px;
  transform: rotate(-45deg); background: #0f0; color: var(--lime-ink);
  font-size: 10px; font-weight: 800; letter-spacing: 0.4px;
  padding: 3px 0; text-align: center;
}

/* features / steps */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.box {
  background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px;
}
.feat { display: flex; gap: 16px; margin-bottom: 26px; }
.feat:last-child { margin-bottom: 0; }
.feat i {
  flex: 0 0 42px; height: 42px; border-radius: 10px;
  background: rgba(124,196,0,.12); color: var(--lime);
  display: grid; place-items: center; font-style: normal; font-weight: 800;
}
.feat h3 { margin: 0 0 6px; font-size: 16px; text-transform: uppercase; }
.feat p, .step p, .prose p { margin: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 20px; text-align: center; min-height: 280px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.step:hover { border-color: var(--lime-bright); transform: translateY(-4px); }
.step .n {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(124,196,0,.12);
  color: var(--lime); font-weight: 800; font-size: 20px;
}
.step h3 { margin: 0 0 10px; text-transform: uppercase; font-size: 16px; }

.cta-band, .api-band {
  background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 24px; align-items: center;
}
.cta-band ul, .api-band ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 8px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.btn-lime {
  background: var(--lime); color: #08110a; border: 2px solid #0f0;
  box-shadow: 0 0 12px rgba(124,196,0,.28);
}
.btn-lime:hover { background: #8fe01a; color: #08110a; }
.btn-ghost {
  border: 2px solid var(--lime); color: var(--lime);
}
.btn-ghost:hover { background: var(--lime); color: #08110a; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.prose { max-width: 78ch; }
.prose h2 { margin: 32px 0 10px; font-size: 1.25rem; }
.prose h3 { margin: 28px 0 8px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.section--edu .edu-grid {
  width: 100%;
  max-width: none;
  margin-inline: auto;
  align-items: start;
}
.section--edu .edu-grid > div {
  text-align: center;
}
.section--edu .edu-grid h3 {
  margin-top: 0;
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.04em;
}
.section--edu .edu-grid p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 42ch;
  margin-inline: auto;
}
.section--edu .edu-grid > div:last-child h3:first-child {
  margin-top: 0;
}
.section--edu .edu-actions {
  justify-content: center;
  margin-top: 28px;
}

/* faq */
.faq { display: grid; gap: 12px; }
.faq details {
  background: var(--ink); border: 1px solid var(--line); border-radius: 10px;
}
.faq summary {
  cursor: pointer; padding: 18px 20px; font-weight: 700;
  text-transform: uppercase; list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "▾"; position: absolute; right: 18px; color: #7cfc00;
}
.faq details[open] summary::after { transform: rotate(180deg); }
.faq p { margin: 0; padding: 0 20px 18px; color: var(--muted); }

/* forms */
.form {
  background: var(--ink); border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; max-width: 820px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.full { grid-column: 1 / -1; }
label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.4px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; }
.field:focus, .select:focus { outline: 2px solid rgba(50,205,50,.45); border-color: var(--lime-bright); }
.add-row { display: flex; gap: 10px; }
.add-row .field { flex: 1; }
.mini {
  min-width: 46px; border: 1px solid #2e3c4c; border-radius: 8px;
  background: #1a1f25; color: var(--lime); font-weight: 700;
}
.hint { color: #aaa; font-size: 13px; text-align: center; margin: 16px 0 8px; }
.hint b { color: var(--lime-bright); }
.range { width: 100%; accent-color: var(--lime-bright); }
.addr { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }

.order {
  display: none; margin-top: 22px; padding: 22px;
  border: 1px solid var(--lime-bright); border-radius: 14px; background: #0b1210;
}
.order.is-on { display: block; }
.order code, .mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  word-break: break-all; color: #c6ffa1;
}
.qr { width: 168px; height: 168px; background: #fff; border-radius: 10px; padding: 8px; }
.demo {
  margin: 0 0 16px; padding: 10px 12px; border: 1px dashed var(--lime);
  border-radius: 8px; color: #b6ff7a; font-size: 13px; background: rgba(124,196,0,.06);
}

/* help / downloads / api */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile, .dl, .ep {
  background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
}
.tile:hover, .dl:hover { border-color: var(--lime); }
.os { font-size: 12px; color: var(--lime); font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; }
.ep { margin-bottom: 12px; }
.ep b { color: var(--lime); font-family: "IBM Plex Mono", monospace; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px;
  color: var(--soft); font-size: 13px; font-weight: 600;
}
.chip.is-on, .chip:hover { border-color: var(--lime); color: var(--lime); }

/* footer */
.footer { margin-top: 40px; padding: 28px 0 16px; background: #000; border-top: 1px solid #151b22; position: relative; z-index: 1; }
.footer h3 { margin: 0 0 12px; font-size: 16px; font-weight: 500; position: relative; padding-bottom: 8px; }
.footer h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--lime); }
.foot-bar { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.quick { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.quick a { color: #ccc; }
.quick a:hover { color: var(--lime); }
.copy { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0 8px; color: #ccc; font-size: 14px; flex-wrap: wrap; }
.copy a { color: #ccc; margin-left: 14px; }
.copy a:hover { color: var(--lime); }

.top {
  position: fixed; right: 18px; bottom: 18px; width: 48px; height: 48px;
  border-radius: 50%; background: var(--lime); color: #08110a; font-size: 20px;
  display: grid; place-items: center; opacity: 0; pointer-events: none; z-index: 30;
}
.top.is-on { opacity: 1; pointer-events: auto; }

@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .mega--coins { min-width: 480px; }
}
@media (max-width: 900px) {
  .header { backdrop-filter: none; }
  .burger { display: inline-block; }
  .nav { display: none; }
  .lang-switch { position: relative; z-index: 2; }
  .burger { z-index: 2; }
  body.nav-open { overflow: hidden; }
  body.nav-open .header { z-index: 50; }
  body.nav-open::before {
    content: ""; position: fixed; inset: var(--header) 0 0; z-index: 35;
    background: rgba(0, 0, 0, 0.55); pointer-events: auto;
  }
  body.nav-open .nav {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; inset: var(--header) 0 0; z-index: 1;
    background: #070b10; border-top: 1px solid #111820;
    padding: 16px; overflow: auto; margin: 0; pointer-events: auto;
  }
  body.nav-open .nav > li { width: 100%; }
  body.nav-open .nav-link {
    width: 100%; min-height: 48px; padding: 14px 12px;
    -webkit-tap-highlight-color: transparent;
  }
  body.nav-open .mega a {
    min-height: 44px; padding: 12px 10px;
    -webkit-tap-highlight-color: transparent;
  }
  body.nav-open .burger::before { transform: translateY(6px) rotate(45deg); }
  body.nav-open .burger span { opacity: 0; }
  body.nav-open .burger::after { transform: translateY(-6px) rotate(-45deg); }
  .burger::before, .burger span, .burger::after { transition: transform 0.2s ease, opacity 0.2s ease; }
  .mega, .nav > li:hover > .mega { position: static; display: none; transform: none; min-width: 0; box-shadow: none; }
  .nav > li.is-open > .mega { display: grid; min-width: 0; }
  .mega--coins, .mega--menu { grid-template-columns: 1fr; }
  .cards, .split, .steps, .tiles, .form-grid, .cta-band, .api-band, .grid-2 { grid-template-columns: 1fr; }
  .picker { display: block; }
  .cards { display: none; }
  .cards.is-one { display: grid; grid-template-columns: 1fr; }
  .hero h1 { text-align: center; }
  .kicker, .lede { text-align: center; margin-left: auto; margin-right: auto; }
}

.admin-bar { display: grid; gap: 14px; margin-bottom: 18px; }
.admin-count { margin: 0; color: var(--lime); font-weight: 700; }
.admin-search { max-width: 320px; }
.wallet-list { display: grid; gap: 12px; }
.wallet-card {
  background: var(--ink); border: 1px solid var(--line); border-radius: 12px; padding: 16px;
}
.wallet-card__head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 10px;
}
.wallet-card__head img { width: 28px; height: 28px; }
.wallet-card__head b { display: block; font-size: 14px; }
.wallet-card__head span { color: var(--muted); font-size: 12px; }
.wallet-card__head em {
  margin-left: auto; font-style: normal; font-size: 11px; font-weight: 800;
  letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted);
}
.wallet-card__head em.is-on { color: var(--lime); }
.wallet-net { display: grid; gap: 6px; margin-top: 12px; }
.wallet-net span { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--soft); }
.wallet-net em { font-style: normal; font-size: 11px; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted); }
.wallet-net em.is-on { color: var(--lime); }
.deposit-box {
  margin-top: 16px; padding: 14px; border: 1px solid var(--lime-bright);
  border-radius: 10px; background: #08110c;
}
.deposit-box label { margin-bottom: 8px; }
.deposit-box .mono { font-size: 15px; color: #c6ffa1; }

.fiat-band { margin-top: 0; }

.ref-panel .ref-hint { text-align: left; margin: 0 0 14px; }
.ref-label { margin-top: 4px; }
.ref-code-row {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px;
}
.ref-code-row .field { flex: 1 1 160px; min-width: 0; }
.ref-code-row .btn { flex: 0 0 auto; min-height: 44px; }
.ref-status { min-height: 1.2em; font-size: 13px; color: var(--lime); margin: 0 0 12px; text-align: left; }
.ref-status.is-err { color: var(--danger); }
.ref-links { display: grid; gap: 12px; margin-top: 8px; }
.ref-link-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start;
  padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #0b1016;
}
.ref-link-tag {
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--lime); padding-top: 4px;
}
.ref-link-url { margin: 0; font-size: 12px; line-height: 1.45; word-break: break-all; }
.ref-copy { min-height: 40px; padding: 0 14px; font-size: 12px; }
@media (max-width: 600px) {
  .ref-link-row { grid-template-columns: 1fr; }
  .ref-copy { width: 100%; }
}

#gc-chat-root { position: fixed; inset: 0; pointer-events: none; z-index: 92; }
#gc-chat-root > * { pointer-events: auto; }

.gc-chat-fab {
  position: fixed; right: max(18px, env(safe-area-inset-right)); bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 93; width: auto; min-width: 72px; min-height: 72px; padding: 0;
  border-radius: 999px; border: 2px solid var(--lime-bright);
  background: linear-gradient(145deg, #142018 0%, #0a0f14 55%, #121a10 100%);
  color: var(--lime); box-shadow: 0 0 0 0 rgba(124, 196, 0, 0.45), 0 14px 40px rgba(0, 0, 0, 0.55);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  animation: gc-chat-glow 2.4s ease-in-out infinite;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.gc-chat-fab:hover {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 0 28px rgba(124, 196, 0, 0.35), 0 18px 44px rgba(0, 0, 0, 0.6);
}
.gc-chat-fab:active { transform: scale(0.98); }
.gc-chat-fab__core {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 10px 14px 8px;
}
.gc-chat-fab__icon { display: block; filter: drop-shadow(0 0 6px rgba(182, 255, 46, 0.35)); }
.gc-chat-fab__label {
  font-size: 10px; font-weight: 800; letter-spacing: 0.6px; text-transform: uppercase;
  color: #c6ffa1; line-height: 1;
}
.gc-chat-fab__pulse {
  position: absolute; inset: -4px; border-radius: inherit;
  border: 2px solid rgba(124, 196, 0, 0.55);
  animation: gc-chat-ring 2.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  pointer-events: none;
}
.gc-chat-fab__pulse--delay { animation-delay: 1.1s; border-color: rgba(50, 205, 50, 0.35); }
@keyframes gc-chat-ring {
  0% { transform: scale(0.92); opacity: 0.85; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}
@keyframes gc-chat-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124, 196, 0, 0.35), 0 14px 40px rgba(0, 0, 0, 0.55); }
  50% { box-shadow: 0 0 22px 4px rgba(124, 196, 0, 0.22), 0 16px 42px rgba(0, 0, 0, 0.55); }
}
.gc-chat-fab.is-hidden { display: none; }
.gc-chat-panel {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 91; width: min(380px, calc(100vw - 24px)); height: min(520px, calc(100vh - 100px));
  display: flex; flex-direction: column; background: #0d1117; border: 1px solid var(--line-hot);
  border-radius: 16px; box-shadow: 0 18px 50px rgba(0,0,0,.55);
}
.gc-chat-panel[hidden] { display: none !important; }
.gc-chat-head {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.gc-chat-close { background: none; border: 0; color: var(--muted); font-size: 24px; cursor: pointer; line-height: 1; }
.gc-chat-msgs { flex: 1; overflow: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.gc-chat-msg { max-width: 92%; padding: 10px 12px; border-radius: 12px; font-size: 14px; line-height: 1.45; }
.gc-chat-msg--user { align-self: flex-end; background: rgba(182,255,46,.12); border: 1px solid rgba(182,255,46,.35); }
.gc-chat-msg--agent { align-self: flex-start; background: #10151d; border: 1px solid var(--line); }
.gc-chat-form { padding: 10px 12px 12px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.gc-chat-name { font-size: 13px; }
.gc-chat-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }

@media (max-width: 900px) {
  :root { --header: 76px; }
  .page { padding-top: calc(var(--header) + 16px); }
  .lede { font-size: 1rem; max-width: none; }
  .form { max-width: none; }
  .cta-band, .api-band { padding: 24px 18px; }
  body.nav-open .lang-switch {
    position: fixed; top: 22px; right: 58px; z-index: 55; margin-left: 0;
  }
}

@media (max-width: 600px) {
  .wrap { width: calc(100% - 20px); }
  .header__in { width: calc(100% - 16px); gap: 8px; }
  .lang-switch { margin-left: auto; padding: 2px; flex-shrink: 0; }
  .lang-switch button { min-width: 34px; height: 28px; font-size: 11px; }
  .form { padding: 18px 14px; border-radius: 12px; }
  .form-grid { grid-template-columns: 1fr; gap: 12px; }
  .field, .select, .picker-btn { font-size: 16px; padding: 14px 12px; }
  .add-row { flex-direction: column; align-items: stretch; }
  .add-row .mini { width: 100%; min-height: 44px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn, .btn-row a.btn { width: 100%; }
  .hero { padding-top: 8px; }
  .hero h1, .page-head h1 {
    font-size: clamp(1.55rem, 7.2vw, 2.2rem);
    letter-spacing: 0.02em; word-spacing: 0.04em;
  }
  .section { padding: 28px 0; }
  .section-head { margin-bottom: 20px; }
  .section-head h2 { font-size: 1.35rem; }
  .step { min-height: auto; padding: 22px 16px; }
  .box { padding: 22px 18px; }
  .card { min-height: 200px; padding: 18px 12px; }
  .mix-btn { width: 90%; }
  .copy { flex-direction: column; align-items: flex-start; gap: 8px; }
  .copy a { margin-left: 0; }
  .foot-bar { flex-direction: column; gap: 16px; }
  .quick { flex-direction: column; gap: 10px; }
  .gc-chat-fab {
    min-width: 64px; min-height: 64px;
    bottom: max(14px, env(safe-area-inset-bottom));
    right: max(14px, env(safe-area-inset-right));
  }
  .gc-chat-fab__icon { width: 26px; height: 26px; }
  .gc-chat-fab__label { font-size: 9px; }
  .gc-chat-panel {
    left: 12px; right: 12px; width: auto;
    height: min(72vh, 520px);
    bottom: max(12px, env(safe-area-inset-bottom));
  }
  .top {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(92px, calc(14px + env(safe-area-inset-bottom)));
  }
  .wallet-card__head { flex-wrap: wrap; }
  .wallet-net span { flex-direction: column; align-items: flex-start; gap: 4px; }
  .faq summary { padding: 14px 40px 14px 16px; font-size: 13px; }
  .prose { max-width: none; }
  .grid-2 { gap: 18px; }
}

@media (max-width: 380px) {
  .logo-text strong { font-size: 12px; }
  body.nav-open .lang-switch { right: 54px; top: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  #rain { visibility: hidden; }
  .gc-chat-fab__pulse { display: none; }
}