/* 奖品图鉴：一张 3 列 × 2 行图片，用背景定位显示每个独立奖品。 */
.prizes .prize-grid {
  --gallery-gap: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px var(--gallery-gap);
  max-width: 1220px;
  margin: 0 auto;
}

.prizes .prize-grid .prize-item {
  display: flex;
  flex: 0 0 calc((100% - 2 * var(--gallery-gap)) / 3);
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.prize-visual {
  position: relative;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  aspect-ratio: 1;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid color-mix(in srgb, var(--tone) 32%, transparent);
  border-radius: 18px;
  background: radial-gradient(ellipse at 50% 40%, color-mix(in srgb, var(--tone) 14%, var(--surface)), var(--surface-soft));
  box-shadow: 0 14px 34px -23px var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}

.prize-art {
  position: absolute;
  inset: 0;
  display: block;
  background-repeat: no-repeat;
  background-size: 300% 200%;
  transition: transform .35s;
}

.prizes .grand-badge {
  position: absolute;
  top: 14px;
  right: 12px;
  z-index: 1;
  padding: 5px 10px;
  border: 1px solid color-mix(in srgb, var(--tone) 74%, white);
  border-radius: 5px;
  background: var(--tone);
  color: var(--button-ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .04em;
  white-space: nowrap;
}

.prize-caption {
  padding: 14px 8px 0;
  text-align: center;
}

.prizes .prize-item p {
  display: block;
  margin: 0;
  max-height: none;
  overflow: visible;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  -webkit-line-clamp: unset;
  white-space: normal;
  overflow-wrap: anywhere;
}

.prizes .prize-item.is-grand p { color: var(--tone); }
.prizes .prize-item.is-grand .prize-visual {
  border-color: var(--tone);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--tone) 18%, transparent), 0 0 32px -14px color-mix(in srgb, var(--tone) 65%, transparent);
}
.prizes .prize-item.is-hit .prize-visual {
  border-color: var(--tone);
  box-shadow: 0 0 0 2px var(--tone), 0 0 34px -10px color-mix(in srgb, var(--tone) 72%, transparent);
}

body[data-theme="gold"] .prize-visual { border-radius: 5px; }
body[data-theme="platinum"] .prize-visual {
  border-radius: 24px;
  background: radial-gradient(ellipse at 50% 30%, #fffdf8, #efddd2);
  box-shadow: 0 15px 35px -25px #a67259;
}
body[data-theme="diamond"] .prize-visual { border-radius: 20px 6px 20px 6px; }

@media (hover: hover) and (pointer: fine) {
  .prize-item:hover .prize-art { transform: scale(1.025); }
  .prize-item:hover .prize-visual { border-color: var(--tone); }
}

@media (max-width: 1024px) {
  .prizes .prize-grid { --gallery-gap: 20px; gap: 24px var(--gallery-gap); }
  .prizes .prize-item p { font-size: 15px; }
}

@media (max-width: 700px) {
  .prizes .prize-grid {
    --gallery-gap: 12px;
    gap: 22px var(--gallery-gap);
  }
  .prizes .prize-grid .prize-item { flex-basis: calc((100% - var(--gallery-gap)) / 2); }
  .prize-visual { border-radius: 12px; }
  .prize-caption { padding: 10px 2px 0; }
  .prizes .prize-item p { font-size: 14px; line-height: 1.7; }
  .prizes .grand-badge { top: 9px; right: 7px; padding: 4px 6px; font-size: 10px; letter-spacing: 0; }
  body[data-theme="platinum"] .prize-visual { border-radius: 18px; }
  body[data-theme="diamond"] .prize-visual { border-radius: 14px 5px 14px 5px; }
}

@media (prefers-reduced-motion: reduce) {
  .prize-art, .prize-visual { transition: none; }
}