:root {
  --bg: #0b0f17;
  --bg-2: #121826;
  --card: #18202f;
  --line: #243044;
  --text: #e8edf5;
  --muted: #8b97ad;
  --accent: #f7b32b;
  --up: #16c784;
  --down: #ea3943;
  --warn: #f7b32b;
  --container: 960px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2 { font-weight: 700; letter-spacing: -0.02em; }
.accent { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(247,179,43,0.10), transparent 60%);
}
.hero h1 {
  font-size: clamp(28px, 5.5vw, 48px);
  line-height: 1.2;
  margin: 16px 0 24px;
}
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(22,199,132,0.12);
  color: var(--up);
  font-size: 13px;
  font-weight: 600;
}
.badge::before {
  content: "●";
  margin-right: 6px;
  animation: pulse 1.6s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.sub {
  color: var(--muted);
  max-width: 640px;
  margin: 12px auto 0;
}

.kpi-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 24px 0;
}
.kpi {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 24px;
  min-width: 120px;
}
.kpi strong {
  font-size: 28px;
  color: var(--accent);
  font-weight: 700;
}
.kpi em {
  font-style: normal;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* ---------- Track record ---------- */
.track-record { padding: 40px 0; }
.track-record h2 { font-size: clamp(22px, 4vw, 30px); margin: 0 0 6px; }
.section-sub { color: var(--muted); margin-top: 0; }
.warn { color: var(--warn); }

.table-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow-x: auto;
  margin-top: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-variant-numeric: tabular-nums;
}
thead th {
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
tbody tr:last-child td { border-bottom: none; }
.loading { text-align: center; color: var(--muted); padding: 32px 16px !important; }

.dir-up   { color: var(--up); font-weight: 600; }
.dir-down { color: var(--down); font-weight: 600; }
.result-win {
  background: rgba(22,199,132,0.15);
  color: var(--up);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
}
.result-lose {
  background: rgba(234,57,67,0.15);
  color: var(--down);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
}

/* ---------- Pay section ---------- */
.pay { padding: 56px 0; text-align: center; background: var(--bg-2); }
.pay h2 { font-size: clamp(22px, 4vw, 30px); margin: 0; }
.price {
  font-size: 18px;
  margin: 12px 0 4px;
}
.price strong {
  color: var(--accent);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.pay-desc { color: var(--muted); margin: 4px 0 28px; }

.qr-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}
.qr-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin: 0;
  padding: 16px;
}
.qr-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #fff;
  border-radius: 10px;
  object-fit: contain;
  display: block;
}
.qr-card img.placeholder {
  background: repeating-linear-gradient(45deg, #1f2738, #1f2738 8px, #243044 8px, #243044 16px);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-size: 12px;
  line-height: 1.5;
}
.qr-card figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.disclaimer {
  margin-top: 32px;
  color: var(--muted);
  font-size: 13px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Footer ---------- */
.foot {
  padding: 24px 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}