#section03 {
  --primary: #76249a;
  --text: #171717;
  --muted: #666;
  --bg: #f4f4f4;
  --line: #dedede;
  --container: 1140px;
  background: var(--bg);
  padding: 90px 0;
  overflow: hidden;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

#section03 *,
#section03 *::before,
#section03 *::after {
  box-sizing: border-box;
}

#section03 .inner {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

#section03 .content {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: center;
  gap: 44px;
}

#section03 .intro {
  position: relative;
  z-index: 2;
}

#section03 .eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  color: #555;
  font-size: 14px;
  line-height: 1.5;
}

#section03 .eyebrow::before {
  width: 40px;
  height: 1px;
  background: var(--primary);
  content: "";
}

#section03 .title {
  margin: 0 0 12px;
  color: #060606;
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
}

#section03 .title span {
  color: var(--primary);
}

#section03 .desc {
  margin: 0 0 14px;
  color: #555;
  font-size: 15px;
  line-height: 1.9;
}

#section03 .current {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

#section03 .current strong {
  margin-left: 6px;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

#section03 .swatches {
  display: grid;
  grid-template-columns: repeat(3, 66px);
  gap: 16px 18px;
  margin-bottom: 24px;
}

#section03 .swatch {
  width: 66px;
  height: 66px;
  padding: 0;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: border-color .25s ease, transform .25s ease;
}

#section03 .swatch:hover {
  transform: translateY(-2px);
}

#section03 .swatch:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

#section03 .swatch.is-active {
  border-color: var(--primary);
}

#section03 .swatch img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

#section03 .more {
  display: inline-block;
  color: #4b4b4b;
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid #999;
}

#section03 .more:hover {
  color: var(--primary);
  border-color: var(--primary);
}

#section03 .viewer {
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  aspect-ratio: 1.86 / 1;
  overflow: hidden;
  background: #ddd;
}

/*
 * 只保留 Section 03 实际需要的 Swiper 基础结构。
 * 即使本地 Swiper CSS 意外未加载，也不会出现横向/纵向超长滚动条。
 */
#section03 .viewer .swiper-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition-property: transform;
}

#section03 .viewer .swiper-slide {
  position: relative;
  display: block;
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

#section03 .slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper 未初始化时只显示当前场景，作为本地脚本不可用时的兜底。 */
#section03 .viewer:not(.swiper-initialized) .swiper-wrapper {
  display: block;
}

#section03 .viewer:not(.swiper-initialized) .slide {
  position: absolute;
  inset: 0;
  display: none;
}

#section03 .viewer:not(.swiper-initialized) .slide.is-active {
  display: block;
}

/* Fade 效果需要的最小样式。 */
#section03 .viewer.swiper-fade .swiper-slide {
  pointer-events: none;
  transition-property: opacity;
}

#section03 .viewer.swiper-fade .swiper-slide-active {
  pointer-events: auto;
}

#section03 .swiper-pagination {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin: 0;
  text-align: center;
}

#section03 .swiper-pagination-bullet {
  display: block;
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  margin: 0 !important;
  padding: 0;
  border: 1px solid #fff;
  border-radius: 50%;
  background: transparent;
  opacity: 1;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .08);
  cursor: pointer;
}

#section03 .swiper-pagination-bullet-active {
  border-color: var(--primary);
  background: var(--primary);
}

@media (max-width: 991px) {
  #section03 {
    padding: 72px 0;
  }

  #section03 .content {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 32px;
  }

  #section03 .swatches {
    grid-template-columns: repeat(3, 60px);
    gap: 14px;
  }

  #section03 .swatch {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 767px) {
  #section03 {
    padding: 56px 0;
  }

  #section03 .inner {
    width: min(calc(100% - 32px), var(--container));
  }

  #section03 .content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  #section03 .intro {
    max-width: none;
  }

  #section03 .title {
    font-size: clamp(36px, 11vw, 48px);
  }

  #section03 .desc {
    max-width: 520px;
  }

  #section03 .swatches {
    grid-template-columns: repeat(6, 54px);
    gap: 12px;
    overflow-x: auto;
    padding: 2px 2px 6px;
    scrollbar-width: none;
  }

  #section03 .swatches::-webkit-scrollbar {
    display: none;
  }

  #section03 .swatch {
    width: 54px;
    height: 54px;
  }

  #section03 .viewer {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 420px) {
  #section03 .swatches {
    grid-template-columns: repeat(3, 58px);
    overflow: visible;
  }

  #section03 .swatch {
    width: 58px;
    height: 58px;
  }

  #section03 .viewer {
    aspect-ratio: 1 / 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  #section03 .swatch {
    transition: none;
  }
}