/* ==========================================================================
   套餐对比卡片：官网「价格」页与账号中心「会员充值」页共用
   只依赖 app.css / site.css 都提供的颜色变量；缺省值保证单独加载也不跑版
   ========================================================================== */

.plan-tiers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.plan-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface, #fff);
  padding: 20px 18px 16px;
}

.plan-tier.featured {
  border-color: var(--brand);
  box-shadow: 0 16px 36px -24px rgba(47, 107, 246, 0.55);
}

.plan-tier.current {
  background: linear-gradient(180deg, #fbfcff, #f5f8ff);
}

.plan-tier-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  box-shadow: 0 6px 14px -8px rgba(47, 107, 246, 0.9);
}
.plan-tier.lifetime .plan-tier-badge { background: #1f2d4d; }

.plan-tier-head {
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-tier-head h3 {
  margin: 0;
  font-size: 14.5px;
  font-weight: 650;
}

.plan-tier-current {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.plan-tier-desc {
  margin: 4px 0 12px;
  min-height: 34px;
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.55;
}

.plan-tier-price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: var(--text);
}
.plan-tier-price small {
  font-size: 14px;
  font-weight: 600;
}
.plan-tier-price b {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
}
.plan-tier-price .per {
  margin-left: 2px;
  font-size: 12px;
  color: var(--text-3);
}
.plan-tier-price .free {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.plan-tier-sub {
  min-height: 18px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-3);
}

/* 权益对比：勾选为支持，灰色 ✕ 为不支持，右侧是对应额度 */
.plan-tier-features {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 7px;
}
.plan-tier-features li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 7px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
}
.plan-tier-features .ico {
  font-size: 11px;
  font-weight: 700;
  color: var(--brand);
}
.plan-tier-features .label { color: var(--text-2); }
.plan-tier-features .value {
  color: var(--text);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.plan-tier-features li.no .ico { color: var(--border-strong); }
.plan-tier-features li.no .label,
.plan-tier-features li.no .value {
  color: var(--text-3);
  font-weight: 400;
}

.plan-tier-empty {
  grid-column: 1 / -1;
  padding: 28px 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-3);
  font-size: 13px;
  text-align: center;
}

/* 套餐底部的支付/购买按钮 */
.plan-tier-pay { margin-top: 14px; }

.plan-tier-buy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 14px;
  padding: 10px 14px;
  border: 1px solid var(--brand);
  border-radius: var(--radius-sm, 8px);
  background: var(--brand);
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.plan-tier-pay .plan-tier-buy { margin-top: 0; }
.plan-tier-buy:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  color: #fff;
}

.plan-tier-buy.ghost {
  background: transparent;
  color: var(--brand);
}
.plan-tier-buy.ghost:hover {
  background: var(--brand-soft);
  color: var(--brand);
}

.plan-tier-buy.is-disabled {
  border-color: var(--border);
  background: var(--surface-sunken, #f1f4f8);
  color: var(--text-3);
  cursor: default;
}

@media (max-width: 1180px) {
  .plan-tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .plan-tiers { grid-template-columns: minmax(0, 1fr); }
  .plan-tier-desc { min-height: 0; }
}