/* 奥数积分银行 自定义样式 */
body {
  background-color: #f5f7fb;
}

.balance-card {
  background: linear-gradient(135deg, #0d6efd 0%, #3d8bfd 60%, #6ea8fe 100%);
  color: #fff;
}
.balance-card .text-secondary {
  color: rgba(255, 255, 255, .75) !important;
}
.balance-number {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.1;
}
.balance-card .text-danger,
.balance-card .text-success {
  color: #fff !important;
}

.stat-card {
  border: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
}
.stat-label {
  font-size: .8rem;
  color: #6c757d;
}
.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
}

.rule-card,
.reward-card {
  border: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .07);
  transition: transform .12s ease, box-shadow .12s ease;
}
.rule-card:hover,
.reward-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
}

.rule-points {
  font-size: 1.6rem;
  font-weight: 700;
  color: #198754;
  line-height: 1;
}
.reward-points {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fd7e14;
  line-height: 1;
  white-space: nowrap;
}
.reward-points small {
  font-size: .8rem;
}

.period-title {
  color: #495057;
  font-weight: 600;
}

.admin-subnav .nav-link {
  color: #495057;
}