/* ==================================================================
   首页：游戏之窗
   ================================================================== */

.mdv-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 38px;
  -webkit-box-align: center;
  -webkit-align-items: center;
     -moz-box-align: center;
          align-items: center;
  padding: 46px 42px 52px;
}

.mdv-kicker {
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--mdv-mono);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--mdv-gold);
}

.mdv-kicker::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--mdv-gold);
}

.mdv-hero__title {
  margin: 0 0 20px;
  font-family: var(--mdv-display);
  font-size: clamp(32px, 5.4vw, 68px);
  line-height: 0.94;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  overflow-wrap: break-word;
  color: var(--mdv-ivory);
  text-shadow: 0 0 26px rgba(216, 166, 63, 0.28);
}

.mdv-hero__title em {
  display: block;
  font-style: normal;
  color: var(--mdv-gold-soft);
  -webkit-text-stroke: 1px rgba(240, 207, 134, 0.5);
}

.mdv-hero__text {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 16px;
  color: var(--mdv-ivory-dim);
}

.mdv-hero__actions {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: flex;
  gap: 12px;
  -webkit-flex-wrap: wrap;
          flex-wrap: wrap;
}

/* 彩窗：1 大 + 2 小 */

.mdv-window {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  grid-template-rows: repeat(2, 1fr);
  height: 360px;
  gap: 8px;
  padding: 8px;
  background: var(--mdv-lead);
  border: 3px solid var(--mdv-lead-2);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(216, 166, 63, 0.35);
}

.mdv-window__pane {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  background: -webkit-linear-gradient(300deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 55%);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 55%);
}

.mdv-window__pane--big {
  grid-row: span 2;
  background: #2b2321;
  cursor: pointer;
}

.mdv-window__pane--big img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  -webkit-transition: opacity 0.25s ease;
  transition: opacity 0.25s ease;
}

.mdv-window__pane--big img.mdv-loaded {
  opacity: 1;
}

.mdv-window__pane--ruby { background: -webkit-linear-gradient(300deg, #b52b40, #7c1a2b); background: linear-gradient(150deg, #b52b40, #7c1a2b); }

.mdv-window__pane--sapphire { background: -webkit-linear-gradient(300deg, #255a96, #163b6a); background: linear-gradient(150deg, #255a96, #163b6a); }

.mdv-window__glyph {
  font-family: var(--mdv-display);
  font-size: 46px;
  color: rgba(242, 231, 212, 0.9);
}

.mdv-window__label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 8px 11px;
  background: rgba(21, 16, 15, 0.84);
  font-family: var(--mdv-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mdv-gold-soft);
  text-align: left;
}

.mdv-window__tile {
  display: grid;
  place-items: center;
  -webkit-align-content: center;
          align-content: center;
  gap: 6px;
  text-decoration: none;
  text-align: center;
  font-family: var(--mdv-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242, 231, 212, 0.95);
}

.mdv-window__tile .mdv-window__glyph {
  font-size: 22px;
  color: rgba(255, 255, 255, 0.7);
}

.mdv-window__tile:hover,
.mdv-window__tile:focus-visible {
  color: var(--mdv-theme-ink);
  background: var(--mdv-gold);
}

.mdv-window__tile:hover .mdv-window__glyph {
  color: var(--mdv-theme-ink);
}

@media (max-width: 1050px) {
  .mdv-hero {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 26px;
    padding: 38px 30px 44px;
  }

  .mdv-hero__title {
    font-size: clamp(30px, 5.4vw, 54px);
  }

  .mdv-window {
    height: 320px;
  }
}

@media (max-width: 480px) {
  .mdv-hero {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 26px 16px 52px;
  }

  .mdv-hero__title {
    font-size: clamp(30px, 9vw, 40px);
  }

  .mdv-hero__text {
    margin-bottom: 20px;
    font-size: 14.5px;
  }

  .mdv-hero__actions {
    display: none;
  }

  .mdv-window {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    height: auto;
  }

  .mdv-window__pane--big {
    grid-column: span 2;
    grid-row: auto;
    aspect-ratio: 2 / 1;
  }

  .mdv-window__tile {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mdv-window__pane--big img {
    -webkit-transition: none;
    transition: none;
  }
}