/* GU9 Technology — Tech landing page styles */
:root {
  --bg0: #05070a;
  --bg1: #0b1017;
  --bg2: #111821;
  --bg3: #17202b;
  --panel: rgba(16, 24, 34, 0.72);
  --cyan: #2ec5e8;
  --cyan-dim: rgba(46, 197, 232, 0.18);
  --cyan-glow: rgba(46, 197, 232, 0.55);
  --violet: #8b5cf6;
  --red: #ef4444;
  --text: #e8eef5;
  --text-dim: #9fb0c3;
  --text-xdim: #6a7d94;
  --border: rgba(46, 197, 232, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg0);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ----- ambient background ----- */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}
body::before {
  background:
    radial-gradient(circle at 20% -10%, rgba(46,197,232,.18), transparent 35%),
    radial-gradient(circle at 85% 30%, rgba(139,92,246,.12), transparent 30%),
    radial-gradient(circle at 50% 110%, rgba(46,197,232,.10), transparent 40%);
}
body::after {
  background-image:
    linear-gradient(rgba(46,197,232,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,197,232,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25));
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ----- typography ----- */
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

.section {
  padding: 110px 0;
  position: relative;
}
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head .label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  background: var(--cyan-dim);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 700;
  line-height: 1.18;
  margin-bottom: 14px;
  background: linear-gradient(180deg, #fff 20%, #a9c2d8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-head p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto;
}

/* ----- header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 0;
  transition: background .25s, border-color .25s, backdrop-filter .25s;
}
.header.scrolled {
  background: rgba(5,7,10,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  position: relative;
}
.brand::before {
  content: "";
  position: absolute;
  left: -14px; top: -12px; right: -14px; bottom: -12px;
  border-radius: 18px;
  background: radial-gradient(circle at 30% 30%, rgba(46,197,232,.10), transparent 60%);
  opacity: 0;
  transition: opacity .3s;
  z-index: -1;
}
.brand:hover::before { opacity: 1; }
.brand img {
  height: 72px;
  width: auto;
  filter: drop-shadow(0 0 18px rgba(46,197,232,.55)) drop-shadow(0 0 6px rgba(255,255,255,.25));
  transition: transform .3s ease, filter .3s ease;
}
.brand:hover img {
  transform: scale(1.05) rotate(-2deg);
  filter: drop-shadow(0 0 28px rgba(46,197,232,.75)) drop-shadow(0 0 10px rgba(255,255,255,.35));
}
.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}
.brand-name {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1;
  background: linear-gradient(90deg, #ffffff 0%, #b8e3f0 45%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(46,197,232,.25);
}
.brand-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 3px 9px;
  border: 1px solid rgba(46,197,232,.45);
  border-radius: 999px;
  background: rgba(46,197,232,.08);
  box-shadow: 0 0 12px rgba(46,197,232,.15), inset 0 0 8px rgba(46,197,232,.08);
}
.nav-links {
  display: flex;
  gap: 40px;
  font-size: 17px;
  color: var(--text-dim);
}
.nav-links a { position: relative; transition: color .2s; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width .25s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.cta-btn {
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--cyan), #1fa3c7);
  color: #031018;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 0 22px rgba(46,197,232,.28);
  transition: transform .15s, box-shadow .2s;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(46,197,232,.4); }
.menu-toggle { display: none; }

/* ----- language switch ----- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  margin-left: 6px;
}
.lang-switch a {
  color: var(--text-dim);
  padding: 4px 8px;
  border-radius: 6px;
  transition: color .2s, background .2s;
}
.lang-switch a:hover { color: var(--text); }
.lang-switch a.active {
  color: #031018;
  background: var(--cyan);
  font-weight: 700;
}
.lang-switch .sep { color: var(--line); }

/* ----- hero ----- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 170px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.terminal-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 26px;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.terminal-badge .prompt { color: var(--cyan); font-weight: 700; }
.cursor {
  display: inline-block;
  width: 8px; height: 16px;
  background: var(--cyan);
  margin-left: 4px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero h1 {
  font-size: clamp(44px, 6.5vw, 74px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 22px;
}
.hero h1 .line {
  display: block;
  background: linear-gradient(90deg, #fff 0%, #b8e3f0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero h1 .line:nth-child(2) { background: linear-gradient(90deg, var(--cyan), #a78bfa); -webkit-background-clip: text; background-clip: text; }
.hero-sub {
  color: var(--text-dim);
  font-size: clamp(16px, 2vw, 19px);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  transition: transform .15s, box-shadow .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #1fa3c7);
  color: #031018;
  box-shadow: 0 0 28px rgba(46,197,232,.3);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary:hover { box-shadow: 0 0 40px rgba(46,197,232,.45); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-accent {
  background: rgba(139,92,246,.08);
  border: 1px solid rgba(139,92,246,.6);
  color: #fff;
  box-shadow: 0 0 20px rgba(139,92,246,.12);
}
.btn-accent:hover {
  background: rgba(139,92,246,.14);
  border-color: rgba(139,92,246,.9);
  color: #fff;
  box-shadow: 0 0 34px rgba(139,92,246,.25);
}
.arrow { font-size: 13px; }

.hero-stats {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat .num {
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 800;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(46,197,232,.35);
  line-height: 1;
}
.stat .label { font-size: 14px; color: var(--text-dim); }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}
.holo-card {
  position: relative;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(46,197,232,.12), transparent 60%);
  display: flex; align-items: center; justify-content: center;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.chip-ring,
.chip-ring::before,
.chip-ring::after {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.chip-ring { width: 280px; height: 280px; animation: spin 20s linear infinite; }
.chip-ring::before { content: ""; width: 220px; height: 220px; border-style: dashed; animation: spin 35s linear infinite reverse; }
.chip-ring::after { content: ""; width: 160px; height: 160px; border-color: var(--cyan); box-shadow: 0 0 30px var(--cyan-glow); }
@keyframes spin { to { transform: rotate(360deg); } }
.chip-center {
  position: relative;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 30px; font-weight: 800;
  color: var(--cyan);
  box-shadow: inset 0 0 30px var(--cyan-dim), 0 0 40px rgba(46,197,232,.25);
}
.chip-center::before {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px dashed var(--border);
}
.deco-line {
  position: absolute;
  width: 1px;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
}
.deco-line.a { top: -40px; left: 50%; }
.deco-line.b { bottom: -40px; left: 50%; }
.deco-line.c { top: 50%; left: -40px; width: 100px; height: 1px; }
.deco-line.d { top: 50%; right: -40px; width: 100px; height: 1px; }

/* ----- map ----- */
.map-section { background: linear-gradient(180deg, transparent, rgba(46,197,232,.03), transparent); }
.map-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg1);
  overflow: hidden;
  box-shadow: 0 20px 70px rgba(0,0,0,.35), inset 0 0 60px rgba(46,197,232,.04);
}
.world-map {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: .55;
  filter: drop-shadow(0 0 8px rgba(46,197,232,.35));
}
.map-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.map-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 40%, rgba(5,7,10,.55) 95%);
  pointer-events: none;
}
.map-legend {
  position: absolute;
  bottom: 18px; right: 20px;
  display: flex; gap: 18px;
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(5,7,10,.7);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.legend-item { display: flex; align-items: center; gap: 8px; }
.legend-item .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-xdim);
}
.legend-item .dot.active {
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.region-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.region-card:hover {
  transform: translateY(-4px);
  border-color: rgba(46,197,232,.35);
  box-shadow: 0 14px 40px rgba(0,0,0,.3), 0 0 30px rgba(46,197,232,.08);
}
.region-card .region-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 18px;
}
.region-card .icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--cyan-dim);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.region-card h3 {
  font-size: 18px; font-weight: 700;
}
.region-card .count {
  display: inline-block;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}
.region-card .country-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.region-card .tag {
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 5px 10px;
  border-radius: 999px;
}
.region-note {
  text-align: center;
  margin-top: 22px;
  color: var(--text-xdim);
  font-size: 13px;
}

/* ----- services ----- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.service-card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .2s, border-color .2s;
}
.service-card:hover { transform: translateY(-5px); border-color: rgba(46,197,232,.4); }
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .6;
}
.service-card .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  margin-bottom: 14px;
  display: block;
}
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-dim); line-height: 1.6; }

/* ----- features ----- */
.feature-section { padding-bottom: 80px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-item {
  padding: 24px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-item .f-icon {
  width: 40px; height: 40px; min-width: 40px;
  border-radius: 9px;
  background: var(--cyan-dim);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.feature-item h4 { font-size: 15px; margin-bottom: 6px; }
.feature-item p { font-size: 13px; color: var(--text-dim); margin: 0; }

/* ----- process ----- */
.process-section { background: linear-gradient(180deg, rgba(46,197,232,.02), transparent); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  counter-increment: step;
}
.process-step::before {
  content: "0" counter(step);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  display: block;
  margin-bottom: 14px;
}
.process-step::after {
  content: "";
  position: absolute;
  top: 34px; right: -9px;
  width: 18px; height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}
.process-step:last-child::after { display: none; }
.process-step h3 { font-size: 18px; margin-bottom: 10px; }
.process-step p { font-size: 14px; color: var(--text-dim); }

/* ----- contact ----- */
.contact-section { padding-bottom: 80px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(46,197,232,.4);
  box-shadow: 0 14px 40px rgba(0,0,0,.3), 0 0 30px rgba(46,197,232,.1);
}
.contact-card .icon { font-size: 28px; }
.contact-card .handle {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  word-break: break-all;
}
.contact-card .label { font-size: 14px; color: var(--text-dim); }

/* ----- footer ----- */
.footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer p { font-size: 13px; color: var(--text-xdim); }
.footer .links { display: flex; gap: 24px; font-size: 13px; color: var(--text-dim); }
.footer .links a:hover { color: var(--cyan); }

/* ----- reveal animations ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- slogan marquee (广告词) ----- */
.slogan-band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(46,197,232,.05), rgba(139,92,246,.05));
  overflow: hidden;
  padding: 18px 0;
}
.slogan-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 38s linear infinite;
}
.slogan-band:hover .slogan-track { animation-play-state: paused; }
.slogan-track .slogan {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.slogan-track .slogan::after {
  content: "◆";
  color: var(--cyan);
  font-size: 12px;
  margin-left: 16px;
  opacity: .7;
}
.slogan-track .slogan .hl { color: var(--cyan); }
.slogan-track .slogan .hl2 { color: var(--violet); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ----- product matrix (博彩包网) ----- */
.product-section { background: linear-gradient(180deg, rgba(139,92,246,.03), transparent); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.product-card {
  position: relative;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(139,92,246,.4);
  box-shadow: 0 14px 40px rgba(0,0,0,.3), 0 0 30px rgba(139,92,246,.1);
}
.product-card .p-icon {
  width: 46px; height: 46px;
  border-radius: 11px;
  background: rgba(139,92,246,.14);
  border: 1px solid rgba(139,92,246,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.product-card h3 { font-size: 18px; margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
.product-card .p-tag {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
}

.responsible {
  text-align: center;
  font-size: 13px;
  color: var(--text-xdim);
  margin-top: 30px;
  letter-spacing: .04em;
}

/* ----- FAQ ----- */
.faq-list {
  max-width: 820px;
  margin: 44px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: rgba(46,197,232,.4); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  color: var(--cyan);
  font-size: 22px;
  font-weight: 400;
  transition: transform .25s;
  flex-shrink: 0;
}
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ----- demo lobby / poker table ----- */
.demo-stage {
  display: grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 28px;
  margin-top: 44px;
}
.poker-table {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 46% / 50%;
  background:
    radial-gradient(ellipse at center, rgba(46,197,232,.10), transparent 60%),
    linear-gradient(160deg, #0c2a22, #07140f 70%);
  border: 2px solid rgba(46,197,232,.35);
  box-shadow: 0 0 60px rgba(46,197,232,.12), inset 0 0 60px rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
}
.poker-table .felt-line {
  position: absolute; inset: 8%;
  border: 1px dashed rgba(46,197,232,.3);
  border-radius: 46% / 50%;
}
.community-cards {
  display: flex; gap: 8px; z-index: 3;
}
.community-cards .cc {
  width: 40px; height: 56px; border-radius: 7px;
  background: #f4f6fb; color: #0a1a14;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 700; font-size: 18px;
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.community-cards .cc.red { color: #d2354a; }
.seat {
  position: absolute;
  width: 96px; padding: 8px 6px; border-radius: 12px;
  background: rgba(10,18,24,.85);
  border: 1px solid rgba(46,197,232,.3);
  text-align: center; font-size: 12px; color: var(--text-dim);
  z-index: 4;
}
.seat .avatar {
  width: 34px; height: 34px; border-radius: 50%; margin: 0 auto 5px;
  background: linear-gradient(135deg, var(--cyan), #1fa3c7);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #031018; font-size: 14px;
}
.seat .stack { color: var(--cyan); font-family: var(--mono); font-size: 11px; }
.seat.s1 { top: -14px; left: 50%; transform: translateX(-50%); }
.seat.s2 { top: 30%; right: -10px; }
.seat.s3 { bottom: 24%; right: -10px; }
.seat.s4 { bottom: -14px; left: 50%; transform: translateX(-50%); }
.seat.s5 { bottom: 24%; left: -10px; }
.seat.s6 { top: 30%; left: -10px; }

.lobby-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.game-thumb {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--panel);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.game-thumb:hover {
  transform: translateY(-4px);
  border-color: rgba(46,197,232,.45);
  box-shadow: 0 12px 34px rgba(0,0,0,.3);
}
.game-thumb .gt-icon { font-size: 26px; }
.game-thumb h4 { font-size: 15px; margin: 8px 0 4px; }
.game-thumb p { font-size: 12.5px; color: var(--text-xdim); line-height: 1.5; }
.game-thumb .gt-tag {
  display: inline-block; margin-top: 8px;
  font-family: var(--mono); font-size: 10.5px; color: var(--cyan);
  border: 1px solid var(--border); padding: 2px 9px; border-radius: 999px;
}

/* ----- responsive ----- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { order: -1; min-height: 320px; }
  .holo-card { width: 260px; height: 260px; }
  .chip-ring { width: 230px; height: 230px; }
  .chip-ring::before { width: 180px; height: 180px; }
  .chip-ring::after { width: 130px; height: 130px; }
  .service-grid, .feature-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .region-grid, .contact-grid, .product-grid { grid-template-columns: 1fr; }
  .demo-stage { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .header { padding: 16px 0; }
  .brand { gap: 12px; }
  .brand img { height: 54px; }
  .brand-name { font-size: 20px; }
  .brand-tag { font-size: 9px; padding: 2px 7px; }
  .nav-links { display: none; }
  .menu-toggle {
    display: block;
    background: none; border: none;
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
  }
  .cta-btn { display: none; }
  .hero { padding: 150px 0 70px; }
  .hero h1 { font-size: clamp(36px, 10vw, 52px); }
  .hero-stats { gap: 28px; }
  .stat .num { font-size: 32px; }
  .service-grid, .feature-grid, .process-grid { grid-template-columns: 1fr; }
  .process-step::after { display: none; }
  .section { padding: 80px 0; }
}