/* Shared homepage palette and spacing; no independent marketing theme. */
.promotion-card[hidden], .promotion-entry[hidden], .promotion-card [hidden] { display: none !important; }
.promotion-entry { display: inline-flex; align-items: center; min-height: 44px; margin-top: 12px; color: var(--muted); font-size: 13px; font-weight: 600; text-decoration: none; }
.promotion-entry:hover { color: var(--accent-strong); }
.promotion-entry:focus-visible, .promotion-card a:focus-visible, .promotion-rules summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
.promotion-card { margin-bottom: 30px; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); }
.promotion-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
.promotion-heading-copy { min-width: 0; }
.promotion-badge { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 10px; border-radius: 6px; background: rgba(255,106,46,.09); color: var(--accent-strong); font-size: 12px; font-weight: 680; }
.promotion-heading h3 { margin: 16px 0 10px; max-width: 760px; font-size: 32px; line-height: 1.22; letter-spacing: -.025em; font-weight: 730; overflow-wrap: anywhere; }
.promotion-heading p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.promotion-heading .btn { flex: 0 0 auto; margin-top: 4px; }
.promotion-rewards { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); margin: 30px 0 22px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.promotion-reward { min-width: 0; padding: 0 26px; border-left: 1px solid var(--line); }
.promotion-reward:first-child { padding-left: 0; border-left: 0; }
.promotion-reward dt { color: var(--muted); font-size: 13px; line-height: 1.5; font-weight: 550; }
.promotion-reward dd { display: flex; align-items: baseline; flex-wrap: wrap; gap: 7px; margin: 8px 0 6px; font-size: 13px; line-height: 1.4; }
.promotion-reward strong { font-size: 36px; line-height: 1.12; font-weight: 740; font-variant-numeric: tabular-nums; letter-spacing: -.03em; overflow-wrap: anywhere; }
.promotion-reward p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.promotion-footer { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.promotion-deadline { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.promotion-rules { max-width: 660px; color: var(--muted); font-size: 12px; }
.promotion-rules summary { min-height: 24px; cursor: pointer; width: fit-content; margin-left: auto; line-height: 1.7; color: var(--ink); }
.promotion-rules ul { margin: 12px 0 0; padding-left: 18px; line-height: 1.75; }
.promotion-rules li + li { margin-top: 6px; }
.activity-grid .sponsor-card, .activity-grid .star-card { min-height: 280px; }
@media (max-width: 760px) {
  .promotion-card { padding: 26px; }
  .promotion-heading { display: block; }
  .promotion-heading h3 { font-size: 28px; }
  .promotion-heading .btn { margin-top: 20px; }
  .promotion-rewards { grid-template-columns: 1fr; margin-top: 26px; padding: 0; }
  .promotion-reward, .promotion-reward:first-child { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 2px 12px; padding: 18px 0; border-left: 0; }
  .promotion-reward + .promotion-reward { border-top: 1px solid var(--line); }
  .promotion-reward dd { grid-column: 2; grid-row: 1 / 3; margin: 0; justify-content: flex-end; }
  .promotion-reward strong { font-size: 32px; }
  .promotion-footer { display: block; }
  .promotion-rules { margin-top: 12px; }
  .promotion-rules summary { min-height: 32px; margin-left: 0; }
}
@media (max-width: 420px) {
  .promotion-card { padding: 22px 18px; }
  .promotion-heading h3 { font-size: 25px; }
  .promotion-reward { grid-template-columns: minmax(0,1fr); gap: 6px; }
  .promotion-reward dd { grid-column: 1; grid-row: auto; justify-content: flex-start; }
}