:root {
  --bg: #02050b;
  --card: rgba(8, 16, 31, 0.78);
  --card2: rgba(10, 22, 42, 0.86);
  --line: rgba(128, 194, 255, 0.18);
  --text: #f4f8ff;
  --muted: #9eb0cc;
  --blue: #168cff;
  --cyan: #67e2ff;
  --green: #54de94;
  --red: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 18% 0%, rgba(38,100,190,.22), transparent 30%), linear-gradient(180deg, #02050b, #06101d);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.buy-page { min-height: 100vh; padding: 0 32px 72px; }
.buy-header {
  align-items: center;
  display: flex;
  gap: 24px;
  height: 86px;
  justify-content: space-between;
  margin: auto;
  max-width: 1480px;
}
.buy-logo { font-size: 30px; font-weight: 950; letter-spacing: -0.04em; }
.buy-logo span { color: var(--blue); font-size: .72em; }
.buy-header nav { color: #bfcee4; display: flex; font-weight: 700; gap: 28px; }
.buy-user {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  color: #d8e8ff;
  font-weight: 800;
  padding: 12px 16px;
}
.buy-hero {
  align-items: center;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 420px;
  margin: auto;
  max-width: 1480px;
  min-height: 560px;
}
.buy-kicker {
  background: rgba(22,140,255,.08);
  border: 1px solid rgba(103,226,255,.18);
  border-radius: 999px;
  color: #ccecff;
  display: inline-flex;
  font-weight: 850;
  padding: 10px 15px;
}
h1 {
  font-size: clamp(46px, 7vw, 78px);
  letter-spacing: -0.075em;
  line-height: .97;
  margin: 28px 0;
}
h1 span { color: var(--cyan); }
.buy-lead { color: #bfcee4; font-size: 22px; line-height: 1.5; max-width: 780px; }
.buy-points {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
}
.buy-points span, .buy-card, .buy-panel, .buy-summary, .buy-auth-card {
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, var(--card), rgba(5,11,22,.9));
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.05);
}
.buy-points span { border-radius: 18px; color: #d7e7fb; font-weight: 750; padding: 16px; }
.buy-summary { border-radius: 26px; padding: 24px; position: sticky; top: 18px; }
.buy-summary h2 { font-size: 34px; margin: 8px 0 18px; }
.buy-summary-row {
  border-bottom: 1px solid rgba(128,194,255,.1);
  color: #c8d8ee;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 14px 0;
}
.buy-summary strong {
  background: rgba(22,140,255,.1);
  border-radius: 18px;
  color: var(--cyan);
  display: block;
  font-size: 28px;
  margin: 18px 0;
  padding: 18px;
}
.buy-btn-link, .buy-summary button, .buy-auth button {
  align-items: center;
  background: linear-gradient(180deg, #32aaff, #0869f8);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  color: white;
  cursor: pointer;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  width: 100%;
}
.buy-summary button:disabled { cursor: not-allowed; opacity: .55; }
.buy-auth {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
  margin: 0 auto 28px;
  max-width: 1480px;
}
.buy-auth-card { border-radius: 24px; padding: 20px; }
.buy-auth-card p { color: var(--muted); line-height: 1.55; }
.buy-section, .buy-two { margin: 28px auto; max-width: 1480px; }
.buy-section-head { align-items: end; display: flex; gap: 24px; justify-content: space-between; }
.buy-section-head p { color: var(--muted); max-width: 640px; }
.buy-grid { display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
.buy-card {
  border-radius: 26px;
  cursor: pointer;
  min-height: 370px;
  padding: 24px;
  transition: .18s transform, .18s border-color, .18s box-shadow;
}
.buy-card:hover { transform: translateY(-3px); }
.buy-card.active { border-color: rgba(103,226,255,.58); box-shadow: 0 28px 90px rgba(22,140,255,.24); }
.buy-card i {
  background: rgba(22,140,255,.12);
  border-radius: 999px;
  color: #ccecff;
  font-style: normal;
  font-weight: 850;
  padding: 7px 10px;
}
.buy-card h3 { font-size: 34px; margin-bottom: 8px; }
.buy-card b { font-size: 54px; }
.buy-card p { color: #d5e7fb; font-weight: 900; }
.buy-card small { color: var(--cyan); }
.buy-card li { color: #d2e2f6; margin: 10px 0; }
.buy-two { display: grid; gap: 22px; grid-template-columns: 1fr 1fr; }
.buy-panel { border-radius: 26px; color: #bfcee4; padding: 24px; }
.buy-panel h2 { color: white; }
.buy-panel code {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 2px 6px;
}
.buy-toast {
  background: rgba(3,10,22,.94);
  border: 1px solid rgba(103,226,255,.32);
  border-radius: 14px;
  bottom: 28px;
  color: #e9f5ff;
  left: 50%;
  opacity: 0;
  padding: 12px 16px;
  pointer-events: none;
  position: fixed;
  transform: translateX(-50%);
  transition: .2s opacity;
}
.buy-toast.show { opacity: 1; }
@media (max-width: 1100px) {
  .buy-hero, .buy-two, .buy-auth { grid-template-columns: 1fr; }
  .buy-grid { grid-template-columns: repeat(2, 1fr); }
  .buy-header nav { display: none; }
}
@media (max-width: 700px) {
  .buy-page { padding: 0 16px 50px; }
  .buy-grid, .buy-points { grid-template-columns: 1fr; }
  .buy-user { display: none; }
}