:root {
  --bg-deep: #061224;
  --bg-mid: #0c1a36;
  --card: #0f2444;
  --card-elevated: #142d52;
  --border: #1e3a5c;
  --border-glow: rgba(245, 197, 24, 0.25);
  --text: #e8eef8;
  --muted: #8fa3bf;
  --gold: #f5c518;
  --gold-hover: #ffd54a;
  --gold-dim: #c9a008;
  --gold-bg: rgba(245, 197, 24, 0.12);
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 100% 70% at 50% -10%, rgba(245, 197, 24, 0.08) 0%, transparent 50%),
    linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-mid) 45%, #050d1a 100%);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 28px 16px 56px;
}

.brand-bar {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin-bottom: 20px;
  opacity: 0.9;
}

h1 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: 0.03em;
  color: var(--text);
}

h1 span {
  color: var(--gold);
}

.sub {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 22px;
  line-height: 1.5;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(245, 197, 24, 0.06),
    0 20px 50px rgba(0, 0, 0, 0.45);
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.tab {
  flex: 1;
  padding: 15px 10px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s, background 0.2s;
}

.tab:hover {
  color: var(--text);
  background: var(--gold-bg);
}

.tab.active {
  color: var(--gold);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--gold);
}

.pane {
  display: none;
  padding: 22px 18px 24px;
}

.pane.active {
  display: block;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-bg);
  border: 1px solid var(--border-glow);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.input-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

input[type="text"],
input[type="number"] {
  flex: 1;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-mid);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.amount-display {
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--gold);
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  user-select: none;
}

input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--gold-bg);
}

.id-guide {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.id-guide-title {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.id-guide img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border-glow);
}

.btn {
  padding: 13px 18px;
  border-radius: 10px;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(180deg, var(--gold-hover) 0%, var(--gold) 55%, var(--gold-dim) 100%);
  color: #1a1200;
  box-shadow: 0 4px 16px rgba(245, 197, 24, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 22px rgba(245, 197, 24, 0.45);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-glow);
}

.btn-ghost:hover {
  background: var(--gold-bg);
}

.profile {
  margin-top: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--card-elevated);
  border: 1px solid var(--border);
  display: none;
}

.profile.visible {
  display: block;
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.profile img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
  box-shadow: 0 0 12px rgba(245, 197, 24, 0.2);
  background: var(--bg-mid);
}

.profile dl {
  margin: 0;
  flex: 1;
  min-width: 0;
}

.profile dt {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-top: 8px;
}

.profile dt:first-child {
  margin-top: 0;
}

.profile dd {
  margin: 3px 0 0;
  font-size: 0.92rem;
  word-break: break-all;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
  margin-top: 14px;
}

.err {
  color: #ff8a80;
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
}

.err.visible {
  display: block;
}

.result-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 12px;
  background: var(--card-elevated);
  border: 1px solid var(--border-glow);
  display: none;
}

.result-panel.visible {
  display: block;
}

.result-panel h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: var(--gold);
}

.result-row {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.result-row strong {
  color: var(--text);
  font-weight: 600;
}

.result-sn {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--gold);
}