/**
 * About 页仍保留独立编排，但配色必须走界面配置推导出的 token：
 * 1. 顶层背景、文字、卡片、强调色全部由 themeStyle 下发；
 * 2. 不再覆写 page 级固定米白主题，避免和主流程页脱节；
 * 3. 光斑只做氛围层，颜色同样从当前主题推导。
 */

.about-page {
  position: relative;
  height: 100vh;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.about-scroll {
  flex: 1;
  min-height: 0;
}

.about-shell {
  position: relative;
  min-height: 100vh;
  padding: 36rpx 28rpx 56rpx;
  overflow: hidden;
}

.about-bg-orb {
  position: absolute;
  border-radius: 999rpx;
  pointer-events: none;
  animation: about-orb-float 8.8s ease-in-out infinite;
}

.about-bg-orb-left {
  width: 630rpx;
  height: 630rpx;
  left: -150rpx;
  bottom: -240rpx;
  background: radial-gradient(
    circle at 35% 35%,
    var(--about-orb-left-start) 0%,
    var(--about-orb-left-end) 72%,
    transparent 100%
  );
  opacity: 0.52;
  animation-duration: 9.4s;
}

.about-bg-orb-right {
  width: 840rpx;
  height: 840rpx;
  right: -390rpx;
  bottom: -500rpx;
  background: radial-gradient(
    circle at 35% 35%,
    var(--about-orb-right-start) 0%,
    var(--about-orb-right-end) 62%,
    transparent 100%
  );
  opacity: 0.46;
  animation-duration: 7.6s;
  animation-delay: -2.2s;
}

.about-stack {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 22rpx;
}

.about-hero {
  display: flex;
  flex-direction: column;
  gap: 10rpx;
  padding: 8rpx 8rpx 24rpx;
}

.about-brand-en {
  font-size: 86rpx;
  line-height: 0.96;
  font-weight: 700;
  color: var(--about-text-strong);
}

.about-brand-version {
  font-size: 28rpx;
  line-height: 1.2;
  font-weight: 700;
  color: var(--about-text);
}

.about-brand-cn {
  font-size: 22rpx;
  line-height: 1.4;
  color: var(--about-text-muted);
}

.about-intro {
  font-size: 24rpx;
  line-height: 1.7;
  color: var(--about-text);
}

.about-card-list {
  display: flex;
  flex-direction: column;
  gap: 18rpx;
}

.about-entry {
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1rpx solid var(--about-surface-border) !important;
  border-radius: 28rpx !important;
  background: var(--about-surface) !important;
  box-shadow: 0 16rpx 38rpx var(--about-glow);
  overflow: hidden;
}

.about-entry.svg-press-btn {
  --svg-press-active-radius: 36rpx;
  --svg-press-active-bg: var(--about-surface);
  --svg-press-active-shadow: 0 22rpx 42rpx var(--about-glow), inset 0 0 0 1rpx var(--about-surface-border);
  --svg-press-active-scale: 0.985;
  --svg-press-icon-opacity: 0.92;
  --svg-press-icon-active-opacity: 1;
  --svg-press-icon-active-scale: 1.08;
}

.about-entry::after,
.about-copy-btn::after {
  border: 0 !important;
}

.about-entry-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20rpx;
  padding: 28rpx 26rpx;
}

.about-entry-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8rpx;
}

.about-entry-title {
  font-size: 30rpx;
  line-height: 1.2;
  font-weight: 700;
  color: var(--about-text-strong);
}

.about-entry-subtitle {
  font-size: 22rpx;
  line-height: 1.5;
  color: var(--about-text-muted);
}

.about-entry-arrow {
  width: 30rpx;
  height: 30rpx;
  flex: 0 0 auto;
}

.detail-chip {
  align-self: flex-start;
  padding: 8rpx 16rpx;
  border-radius: 999rpx;
  background: var(--about-accent-soft);
  color: var(--about-accent);
  font-size: 20rpx;
  line-height: 1;
}

.detail-card {
  border-radius: 28rpx;
  background: var(--about-surface);
  border: 1rpx solid var(--about-surface-border);
  box-shadow: 0 16rpx 38rpx var(--about-glow);
  padding: 28rpx 26rpx;
}

.detail-title {
  font-size: 38rpx;
  line-height: 1.12;
  font-weight: 700;
  color: var(--about-text-strong);
}

.detail-lead {
  margin-top: 16rpx;
  display: block;
  font-size: 24rpx;
  line-height: 1.7;
  color: var(--about-text);
}

.detail-section-list {
  display: flex;
  flex-direction: column;
  gap: 18rpx;
}

.detail-section-title {
  font-size: 28rpx;
  line-height: 1.2;
  font-weight: 700;
  color: var(--about-text-strong);
}

.detail-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20rpx;
}

.detail-paragraph {
  display: block;
  margin-top: 14rpx;
  font-size: 24rpx;
  line-height: 1.7;
  color: var(--about-text);
}

.detail-media-list {
  display: flex;
  flex-direction: column;
  gap: 16rpx;
  margin-top: 6rpx;
}

.detail-media-card {
  overflow: hidden;
  border-radius: 24rpx;
  border: 1rpx solid var(--about-surface-border);
  background: var(--about-surface);
  box-shadow: 0 12rpx 24rpx var(--about-glow);
}

.detail-media-image {
  display: block;
  width: 100%;
}

.detail-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 12rpx;
  margin-top: 16rpx;
}

.detail-bullet-row {
  display: flex;
  align-items: flex-start;
  gap: 12rpx;
}

.detail-bullet-dot {
  flex: 0 0 auto;
  font-size: 24rpx;
  line-height: 1.6;
  color: var(--about-text-strong);
}

.detail-bullet-text {
  flex: 1;
  min-width: 0;
  font-size: 24rpx;
  line-height: 1.65;
  color: var(--about-text);
}

.about-copy-btn {
  width: auto !important;
  min-width: 0 !important;
  align-self: flex-start;
  margin: 0 !important;
  padding: 16rpx 22rpx !important;
  border-radius: 999rpx !important;
  border: 1rpx solid var(--about-action-border) !important;
  background: var(--about-action-bg) !important;
  color: var(--about-action-text) !important;
  font-size: 22rpx !important;
  line-height: 1 !important;
}

.detail-bubble-action {
  width: 92rpx !important;
  height: 92rpx !important;
  min-width: 92rpx !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1rpx solid var(--about-action-border) !important;
  border-radius: 999rpx !important;
  background: var(--about-action-bg) !important;
  color: var(--about-action-text) !important;
  font-size: 22rpx !important;
  line-height: 92rpx !important;
  text-align: center !important;
  flex: 0 0 auto;
}

.detail-bubble-action::after {
  border: 0 !important;
}

@keyframes about-orb-float {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(14rpx, -18rpx, 0) scale(1.03);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}