.codes-section {
  padding: 4rem 0 6rem;
  background: linear-gradient(180deg, #0f0805 0%, var(--wuhun-ink) 100%);
}

.codes-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  color: rgba(245, 230, 211, 0.85);
  font-size: clamp(1rem, 2.5vw, 1.125rem);
}

.codes-table-wrap {
  overflow-x: auto;
  border-radius: 1rem;
  border: 1px solid rgba(180, 83, 9, 0.3);
  background: rgba(42, 24, 16, 0.5);
}

.codes-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.codes-table thead {
  background: linear-gradient(90deg, var(--wuhun-red-dark), var(--wuhun-red));
}

.codes-table th {
  padding: 1.125rem 1rem;
  text-align: left;
  color: var(--wuhun-gold);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--wuhun-bronze);
}

.codes-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(180, 83, 9, 0.2);
  color: rgba(245, 230, 211, 0.9);
  font-size: 0.9375rem;
  vertical-align: top;
}

.codes-table tbody tr {
  transition: background 0.2s ease;
}

.codes-table tbody tr:hover {
  background: rgba(153, 27, 27, 0.1);
}

.codes-table tbody tr:last-child td {
  border-bottom: none;
}

.code-cell {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--wuhun-gold);
  letter-spacing: 0.05em;
  font-size: 1.125rem;
}

.reward-cell {
  max-width: 300px;
  line-height: 1.6;
}

.copy-code-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: rgba(252, 211, 77, 0.1);
  color: var(--wuhun-gold);
  border: 1px solid var(--wuhun-bronze);
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.copy-code-btn:hover {
  background: rgba(252, 211, 77, 0.2);
  border-color: var(--wuhun-gold);
}

.how-to-use {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .how-to-use {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wuhun-red), var(--wuhun-bronze));
  color: var(--wuhun-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Ma Shan Zheng', cursive;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
  border: 2px solid var(--wuhun-gold);
}