/* 首页「活动中心」轮播 — PC 专用，不依赖 home-pc.css */

.activity-center {
  --activity-title-color: #1a2744;
  --activity-title-size: clamp(1.28rem, 2.1vw, 1.52rem);
  --activity-title-weight: 750;
  --activity-title-spacing: 0.04em;

  background: var(--card);
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}

.home-bg-card .activity-center {
  margin-bottom: 0;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.05);
}

.activity-center__title {
  margin: 0 0 10px;
  font-size: var(--activity-title-size);
  font-weight: var(--activity-title-weight);
  color: var(--activity-title-color);
  letter-spacing: var(--activity-title-spacing);
  text-align: center;
}

.activity-center__stage {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  touch-action: pan-y;
}

.activity-center__viewport {
  aspect-ratio: 2 / 1;
  min-height: 120px;
  max-height: 220px;
  background-color: #e8f5f0;
  background-image: var(--activity-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

@supports not (aspect-ratio: 2 / 1) {
  .activity-center__viewport {
    min-height: 160px;
  }
}

.activity-center__link {
  position: absolute;
  inset: 0;
  z-index: 2;
  text-indent: -9999px;
  overflow: hidden;
}

.activity-center__link--disabled {
  pointer-events: none;
  cursor: default;
}

.activity-center__dots {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  display: flex;
  gap: 5px;
  pointer-events: none;
}

.activity-center__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
  transition: background 0.2s ease, transform 0.2s ease;
}

.activity-center__dot.is-active {
  background: rgba(255, 255, 255, 0.95);
  transform: scale(1.15);
}

@media (min-width: 900px) {
  .activity-center__viewport {
    max-height: 280px;
  }

  /* 首页 PC：推荐区外层去盒 + 全宽渐变（仅当存在 .home-bg-card 包裹活动中心时） */
  body.hiwawa .home-pc-main > .wrap > .home-bg-card {
    position: relative;
    z-index: 0;
    margin: 0;
    padding: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    gap: 0;
    overflow: visible;
  }

  body.hiwawa .home-pc-main > .wrap > .home-bg-card::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    z-index: -1;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(245, 247, 252, 0.9) 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.04);
    pointer-events: none;
  }

  body.hiwawa .home-pc-main > .wrap .activity-center,
  body.hiwawa .home-pc-main > .wrap .home-bg-card .activity-center {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 34px 0 38px;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body.hiwawa .home-pc-main > .wrap .activity-center__stage {
    border-radius: 6px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  }
}