.purchase-page {
  --purchase-accent: #2563eb;
  --purchase-accent-strong: #1d4ed8;
  --purchase-success: #047857;
  --purchase-danger: #b91c1c;
  margin: 1.5rem 0 3rem;
}

.purchase-hero {
  padding: 1.5rem 0 1.25rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  text-align: center;
}

.purchase-eyebrow {
  margin: 0 0 0.35rem;
  color: var(--purchase-accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.purchase-price {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem 0.4rem;
  margin: 0.65rem 0;
}

.purchase-price strong {
  font-size: 2rem;
  line-height: 1;
}

.purchase-price span,
.purchase-muted {
  color: var(--md-default-fg-color--light);
}

/* 划线原价：默认常显、与现价并排（基础样式，全局统一）。
   需要「悬停浮出」行为的页面（如购买首页/月付/年付）可在本页 <style> 中自行覆盖。 */
.purchase-price-original {
  font-size: 0.95rem;
  color: var(--md-default-fg-color--lightest);
  text-decoration: line-through;
  white-space: nowrap;
}

.purchase-checkout {
  margin: 1.5rem 0;
  padding: 1.25rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  background: var(--md-default-bg-color);
  box-shadow: 0 8px 24px rgb(15 23 42 / 8%);
}

.purchase-checkout h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.purchase-field {
  margin: 0 0 1rem;
}

.purchase-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.purchase-field input {
  width: 100%;
  min-height: 2.6rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  font: inherit;
}

.purchase-field input:focus {
  border-color: var(--purchase-accent);
  outline: 2px solid color-mix(in srgb, var(--purchase-accent) 22%, transparent);
}

.purchase-coupon-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

/* 按钮外观与 hover 现由主题 .md-button 接管（见 .md 中追加的类），
   此处的 .purchase-button 仅保留纯布局属性，不再定义颜色/hover，
   以免覆盖主题 .md-button:hover 的悬浮效果。 */
.purchase-button--full {
  width: 100%;
}

.purchase-summary {
  margin: 1rem 0;
  padding: 0.8rem 0;
  border-top: 1px solid var(--md-default-fg-color--lightest);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.purchase-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.35rem 0;
}

.purchase-summary-row--total {
  margin-top: 0.65rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.purchase-status {
  display: none;
  margin-top: 0.55rem;
  font-size: 0.82rem;
}

.purchase-status.is-visible {
  display: block;
}

.purchase-status.is-success {
  color: var(--purchase-success);
}

.purchase-status.is-error {
  color: var(--purchase-danger);
}

.purchase-note {
  margin: 0.85rem 0 0;
  color: var(--md-default-fg-color--light);
  font-size: 0.78rem;
  line-height: 1.6;
}

.purchase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.purchase-modal[hidden] {
  display: none;
}

.purchase-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgb(15 23 42 / 72%);
}

.purchase-modal-panel {
  width: min(34rem, 100%);
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: 1.25rem;
  border-radius: 8px;
  background: var(--md-default-bg-color);
  box-shadow: 0 24px 64px rgb(0 0 0 / 30%);
}

.purchase-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.purchase-modal-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.purchase-icon-button {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--md-default-fg-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.purchase-qr {
  display: block;
  width: min(16rem, 100%);
  margin: 1rem auto;
  border-radius: 6px;
}

.purchase-result {
  margin-top: 1rem;
  padding: 0.8rem;
  border-radius: 6px;
  background: var(--md-code-bg-color);
  overflow-wrap: anywhere;
}

.purchase-result dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.8rem;
  margin: 0;
}

.purchase-result dt {
  color: var(--md-default-fg-color--light);
}

.purchase-result dd {
  margin: 0;
}

.purchase-plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.purchase-plan {
  padding: 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
}

.purchase-plan.is-featured {
  border-color: var(--purchase-accent);
}

.purchase-plan h2 {
  margin-top: 0;
}

.lifetime-benefits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
  margin: 1rem 0 1.5rem;
}

.lifetime-benefits section {
  padding: 0.9rem 0;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

.lifetime-benefits h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.lifetime-benefits ul {
  margin: 0;
  padding-left: 1.15rem;
}

.lifetime-benefits li {
  margin: 0.3rem 0;
}

@media (max-width: 800px) {
  .purchase-plans,
  .lifetime-benefits {
    grid-template-columns: 1fr;
  }
}