* {
  box-sizing: border-box;
}

:root {
  --bg: #090909;
  --panel: rgba(17, 17, 17, 0.88);
  --panel-border: rgba(245, 197, 24, 0.25);
  --text: #f5f5f5;
  --muted: #bdbdbd;
  --yellow: #f5c518;
  --yellow-strong: #ffd84d;
  --shadow: 0 0 24px rgba(245, 197, 24, 0.18);
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255, 200, 0, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 200, 0, 0.08), transparent 24%),
    linear-gradient(180deg, #050505 0%, #0a0a0a 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  width: 280px;
  height: 280px;
  background: rgba(255, 208, 0, 0.16);
  top: 80px;
  left: -60px;
}

.bg-glow-2 {
  width: 320px;
  height: 320px;
  background: rgba(255, 208, 0, 0.12);
  right: -80px;
  bottom: 40px;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.hero-card,
.info-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  text-align: center;
  padding: 36px 24px 32px;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(245, 197, 24, 0.12);
  border: 1px solid rgba(245, 197, 24, 0.35);
  color: var(--yellow-strong);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

h1 {
  margin: 0 0 12px;
  font-size: 44px;
  line-height: 1.12;
  color: var(--yellow-strong);
  text-shadow: 0 0 12px rgba(245, 197, 24, 0.28);
}

.subtitle {
  max-width: 620px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.code-row,
.link-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.code-box,
.link-box {
  flex: 1;
  max-width: 560px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(245, 197, 24, 0.25);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(255, 208, 0, 0.03);
}

.code-box {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--yellow-strong);
}

.link-box {
  font-size: 15px;
  color: #d9d9d9;
  word-break: break-all;
}

.action-btn {
  min-width: 132px;
  min-height: 60px;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, #ffd84d 0%, #f5c518 100%);
  color: #111;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 1px rgba(255, 216, 77, 0.28),
    0 0 20px rgba(245, 197, 24, 0.22);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(255, 216, 77, 0.38),
    0 0 26px rgba(245, 197, 24, 0.32);
}

.action-btn:active {
  transform: translateY(0);
}

.notice {
  min-height: 24px;
  margin-top: 12px;
  color: var(--yellow-strong);
  font-size: 14px;
  font-weight: 700;
}

.info-card {
  margin-top: 20px;
  padding: 28px 24px;
}

.info-card h2 {
  margin: 0 0 14px;
  font-size: 28px;
  color: #fff;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.faq-item + .faq-item {
  margin-top: 18px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--yellow-strong);
}

.faq-item p {
  margin: 0;
}

@media (max-width: 768px) {
  .container {
    padding: 28px 14px 56px;
  }

  h1 {
    font-size: 34px;
  }

  .subtitle {
    font-size: 16px;
  }

  .code-row,
  .link-row {
    flex-direction: column;
  }

  .code-box,
  .link-box,
  .action-btn {
    width: 100%;
    max-width: 100%;
  }

  .code-box {
    font-size: 26px;
  }

  .link-box {
    font-size: 14px;
  }

  .info-card h2 {
    font-size: 24px;
  }
}