:root {
  --bobo-quality-p: 100px 0;
  --bobo-quality-text-size: 18px;
  --bobo-quality-title-size: 36px;

  /* 美化新增：统一高级质感 */
  --quality-radius: 10px;
  --quality-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  --quality-transition: all 0.35s ease;
}

.bobo-quality {
  padding: clamp(30px, 4.166667vw, 80px) 0;
  background: #fafafa;
}

/* 标题区域美化 */
.bobo-quality .index-tit {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.bobo-quality .index-tit h2 {
  font-size: clamp(24px, 1.88vw, 36px);
  line-height: 1.2;
  font-weight: 700;
  color: #222;
  position: relative;
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.bobo-quality .index-tit h2::after {
  content: "";
  width: 50px;
  height: 3px;
  background: var(--color-primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  border-radius: 2px;
}

.bobo-quality .index-tit p {
  font-size: clamp(14px, 0.94vw, 18px);
  margin-top: 20px;
  line-height: 1.8;
  color: #555;
}

/* 轮播主体 */
.bobo-quality .list {
  margin: 60px 0 0;
  position: relative;
}

.bobo-quality .swiper-slide {
  position: relative;
  border-radius: var(--quality-radius);
  overflow: hidden;
  box-shadow: var(--quality-shadow);
  transition: var(--quality-transition);
}
.bobo-quality .swiper-slide:hover {
  transform: translateY(-6px);
}

.bobo-quality .swiper-slide img {
  display: block;
  width: 100%;
  object-fit: cover;
  aspect-ratio: 426 / 404;
  transition: transform 0.5s ease;
}
.bobo-quality .swiper-slide:hover img {
  transform: scale(1.06);
}

/* 底部标题 */
.bobo-quality .swiper-slide h6 {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  font-size: 22px;
  color: #fff;
  line-height: 1.3;
  font-weight: 600;
  padding: 25px 15px;
  text-align: center;
  margin: 0;
}

/* 悬浮内容层 */
.bobo-quality .swiper-slide .t {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  padding: 0 35px;
  text-align: center;
  background: var(--color-primary);
  opacity: 0.9;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  opacity: 0;
  transition: all 0.4s ease;
  transform: scale(0.9);
}

.bobo-quality .swiper-slide .t h5 {
  font-size: 24px;
  color: #fff;
  line-height: 1.3;
  font-weight: 600;
  margin: 0 0 15px 0;
}

.bobo-quality .swiper-slide .t p {
  font-size: 16px;
  color: #fff;
  line-height: 1.7;
  margin: 0;
  max-width: 320px;
}

.bobo-quality .swiper-slide:hover .t {
  opacity: 1;
  transform: scale(1);
}

.bobo-quality .swiper-slide:hover h6 {
  opacity: 0;
}

/* 左右箭头美化 */
.bobo-quality .swiper-button-prev,
.bobo-quality .swiper-button-next {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: -23px;
  text-align: center;
  color: #fff;
  transition: var(--quality-transition);
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.bobo-quality .swiper-button-prev i,
.bobo-quality .swiper-button-next i {
  color: inherit;
  font-size: 20px;
  line-height: 46px;
}

.bobo-quality .swiper-button-prev {
  left: -70px;
}
.bobo-quality .swiper-button-next {
  right: -70px;
}

.bobo-quality .swiper-button-prev:hover,
.bobo-quality .swiper-button-next:hover {
  background: #222;
  transform: scale(1.08);
}

.bobo-quality .swiper-button-prev::after,
.bobo-quality .swiper-button-next::after {
  display: none;
}

/* 分页器 */
.bobo-quality .swiper-pagination {
  position: static;
  width: 100%;
  margin-top: 30px;
  display: none;
}

.bobo-quality .swiper-pagination-bullet {
  height: 10px;
  width: 10px;
  margin: 0 8px;
  background: #ddd;
  border-radius: 50%;
  opacity: 1;
}

.bobo-quality .swiper-pagination-bullet-active {
  background: var(--color-primary);
}

/* =======================================
   响应式优化
======================================= */
@media screen and (max-width: 1500px) {
  :root {
    --bobo-quality-p: 85px 0;
    --bobo-quality-text-size: 16px;
    --bobo-quality-title-size: 32px;
  }
  .bobo-quality .swiper-button-prev { left: -55px; }
  .bobo-quality .swiper-button-next { right: -55px; }
}

@media screen and (max-width: 1280px) {
  :root {
    --bobo-quality-p: 70px 0;
    --bobo-quality-text-size: 15px;
    --bobo-quality-title-size: 28px;
  }
  .bobo-quality .swiper-slide h6 { font-size: 20px; padding: 20px 15px; }
  .bobo-quality .swiper-button-prev, .bobo-quality .swiper-button-next { width: 40px; height: 40px; line-height: 40px; }
  .bobo-quality .swiper-button-prev i, .bobo-quality .swiper-button-next i { line-height: 40px; }
}

@media screen and (max-width: 992px) {
  .bobo-quality .list { margin-top: 35px; }
  .bobo-quality .swiper-button-prev { left: 10px; }
  .bobo-quality .swiper-button-next { right: 10px; }
}

@media screen and (max-width: 768px) {

  .bobo-quality .swiper-slide .t { display: none; }
  .bobo-quality .swiper-slide:hover h6 { opacity: 1; }
  .bobo-quality .swiper-button-prev, .bobo-quality .swiper-button-next { display: none; }
  .bobo-quality .swiper-pagination { display: block; }
}