/* 全局基础样式 */
  #bsBestSellers {
    width: 100%;
    margin: 24px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  }
  #bsBestSellers .bs__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 10px;
  }

  /* 头部样式 - 核心修复：标题和副标题水平对齐 */
  #bsBestSellers .bsTop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
  }
  #bsBestSellers .bsTop__title-wrap {
    display: flex;
    align-items: center; /* 强制子元素垂直居中，核心修复 */
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline; /* 让两个文本基线对齐（更自然的文字对齐） */
  }
  #bsBestSellers .bsTop__title {
    margin: 0;
    font-size: 42px;
    font-weight: 900;
    letter-spacing: .2px;
    color: #2f2a24;
    line-height: 1.05;
    /* 移除默认的行高影响，确保对齐 */
    line-height: 1;
  }
  #bsBestSellers .bsTop__subtitle {
    margin: 0;
    font-size: 24px;
    font-weight: 500;
    color: #2f2a24;
    line-height: 1.2;
    padding: 0;
    border: none;
    /* 移除默认的行高影响，确保对齐 */
    line-height: 1;
  }
  #bsBestSellers .bsTop__pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 999px;
    background: #e9e3d8;
    border: 1px solid #ded6c9;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
  }
  #bsBestSellers .bsTop__pillNav {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 0;
    background: transparent;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    color: #6b5e52;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #bsBestSellers .bsTop__pillNav:disabled { opacity: .35; cursor: not-allowed; }
  #bsBestSellers .bsTop__pillTab {
    border: 0 !important;
    background: transparent !important;
    cursor: pointer;
    padding: 10px 38px;
    border-radius: 999px;
    font-size: 22px;
    font-weight: 800;
    color: #5f5348;
    line-height: 1;
    white-space: nowrap;
  }
  #bsBestSellers .bsTop__pillTab.is-active {
    background: #fff !important;
    border: 1px solid #d7cbb9 !important;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
    color: #2f2a24;
  }

  /* 轮播样式 */
  #bsBestSellers .bs__rail { position: relative; }
  #bsBestSellers .bs__viewport { overflow: hidden; }
  #bsBestSellers .bs__track {
    display: flex;
    gap: 16px;
    transition: transform .25s ease;
    will-change: transform;
    flex-wrap: nowrap;
  }
  #bsBestSellers .bs__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid #e7e2d7;
    background: rgba(255,255,255,.92);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: #4a4034;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
  }
  #bsBestSellers .bs__nav--prev { left: 6px; }
  #bsBestSellers .bs__nav--next { right: 6px; }
  #bsBestSellers .bs__nav:disabled { opacity: .35; cursor: not-allowed; }

  /* ====== 核心：优化区块颜色对比 ====== */
  #bsBestSellers .card {
    flex: 0 0 calc((100% - 16px * 3) / 4);
    border: 1px solid #e0d8cb;
    border-radius: 12px;
    overflow: hidden;
    background: #f7f3ed; /* 卡片整体底色 */
    display: flex;
    flex-direction: column;
    color: #5a5044;
  }

  /* 图片区域 */
  #bsBestSellers .card__media {
    height: 220px;
    background: #e9e3d8;
    overflow: hidden;
    display: block;
    text-decoration: none;
    position: relative;
  }
  #bsBestSellers .card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity .22s ease;
  }
  #bsBestSellers .card__img--main { opacity: 1; }
  #bsBestSellers .card__img--alt { opacity: 0; }
  @media (hover:hover) and (pointer:fine) {
    #bsBestSellers .card:hover .card__img--main { opacity: 0; }
    #bsBestSellers .card:hover .card__img--alt { opacity: 1; }
  }

  /* 卡片内容体 - 分段布局核心 */
  #bsBestSellers .card__body {
    padding: 0;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  /* 1. 产品信息区 (浅色背景) */
  #bsBestSellers .card__product-info {
    padding: 16px 16px 12px;
    background: #f7f3ed; /* 浅米色 */
    text-align: center;
    border-bottom: 1px solid #e0d8cb;
  }
  #bsBestSellers .card__title {
    margin: 0 0 6px 0;
    font-size: 18px;
    font-weight: 700;
    color: #2f2a24; /* 深棕色，突出标题 */
    line-height: 1.2;
  }
  #bsBestSellers .card__sub {
    margin: 0;
    font-size: 14px;
    color: #6b5e52; /* 浅棕色，次要信息 */
    line-height: 1.3;
  }

  /* 2. 价格促销区 (加深背景色，作为视觉核心) */
  #bsBestSellers .card__price-area {
    padding: 16px 16px;
    background: #f2ede6; /* 比上下区块稍深的米色，形成对比 */
    text-align: center;
    border-top: 1px solid #e0d8cb;
    border-bottom: 1px solid #e0d8cb;
  }
  /* Single Simple Price - 调大字体 */
  #bsBestSellers .card__priceLabel {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 500;
    color: #5a5044;
  }
  #bsBestSellers .card__price {
    margin: 0 0 10px 0;
    font-size: 36px;
    font-weight: 900;
    color: #2f2a24; /* 最深的颜色，视觉核心 */
    line-height: 1;
  }
  /* Volume Discount 区域 - 调大字体，拆分颜色，电脑端换行 */
  #bsBestSellers .card__volume {
    margin: 0;
    font-size: 24px; /* 小于价格的36px */
    font-weight: 600;
    line-height: 1.2;
  }
  #bsBestSellers .card__volume-main {
    color: #8b5a2b; /* 暖棕色，保持原有风格 */
  }
  #bsBestSellers .card__volume-highlight {
    color: #b71c1c; /* 醒目红色，强烈对比 */
    display: block; /* 电脑端强制换行 */
    margin-top: 4px;
  }

  /* 3. 服务特性区 (浅色背景) */
  #bsBestSellers .card__features {
    padding: 12px 16px;
    background: #f7f3ed; /* 浅米色，与顶部一致 */
    flex: 1;
    border-bottom: 1px solid #e0d8cb;
  }
  #bsBestSellers .card__bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: #5a5044;
  }
  #bsBestSellers .card__bullets li {
    margin-bottom: 6px;
    line-height: 1.4;
    text-align: center;
  }
  #bsBestSellers .card__bullets li:last-child { margin-bottom: 0; }
  #bsBestSellers .card__bullets li::before {
    content: "•";
    margin-right: 6px;
    color: #8b5a2b;
    opacity: .8;
  }

  /* 4. 按钮区 (浅色背景) */
  #bsBestSellers .card__actions {
    padding: 12px 16px;
    background: #f7f3ed; /* 浅米色 */
  }
  /* ====== 核心优化：按钮样式强化 ====== */
  #bsBestSellers .btn {
    width: 100%;
    height: 44px; /* 加高按钮，更易点击 */
    border-radius: 8px;
    border: 1px solid #8b5a2b; /* 暖棕色边框，更醒目 */
    background: #ffffff; /* 白色底色，突出 */
    color: #8b5a2b; /* 暖棕色文字，与边框呼应 */
    font-size: 15px; /* 稍大字体 */
    font-weight: 700; /* 加粗文字 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05); /* 轻微阴影，增加立体感 */
  }
  #bsBestSellers .btn:hover {
    background: #8b5a2b; /* 反转配色：暖棕色背景 */
    color: #ffffff; /* 白色文字 */
    border-color: #704a22; /* 稍深的边框 */
    box-shadow: 0 4px 8px rgba(0,0,0,0.1); /* 加深阴影，强化交互感 */
    transform: translateY(-1px); /* 轻微上移，提升交互体验 */
  }

  /* 响应式适配 */
  @media (max-width: 900px) {
    #bsBestSellers .card { flex-basis: calc((100% - 16px) / 2); }
    #bsBestSellers .card__media { height: 240px; }
    #bsBestSellers .bsTop__title { font-size: 36px; }
    #bsBestSellers .bsTop__subtitle { font-size: 20px; }
    #bsBestSellers .bsTop__pillTab { font-size: 20px; padding: 10px 28px; }
    
    /* 平板端价格促销区字体适配 */
    #bsBestSellers .card__priceLabel { font-size: 16px; }
    #bsBestSellers .card__price { font-size: 32px; }
    #bsBestSellers .card__volume { font-size: 22px; }
    /* 平板端取消换行，保持一行 + 关键修复：垂直对齐 */
    #bsBestSellers .card__volume-main,
    #bsBestSellers .card__volume-highlight {
      display: inline;
      vertical-align: middle; /* 强制中线对齐，解决水平线错位 */
      margin-top: 0;
      margin-left: 4px;
    }
    
    /* 平板端按钮适配 */
    #bsBestSellers .btn { height: 40px; font-size: 14px; }
  }

  @media (max-width: 520px) {
    #bsBestSellers .bs__inner { padding: 0 8px; }
    #bsBestSellers .card { flex-basis: calc((100% - 16px) / 2); }
    #bsBestSellers .card__media { height: 160px; }
    
    #bsBestSellers .bsTop__title { font-size: 24px; }
    #bsBestSellers .bsTop__subtitle { font-size: 18px; }
    #bsBestSellers .bsTop__pillTab { font-size: 18px; padding: 10px 18px; }
    #bsBestSellers .bsTop__pillNav { width: 30px; height: 30px; }
    #bsBestSellers .bs__nav { width: 34px; height: 34px; }

    #bsBestSellers .card__title { font-size: 16px; }
    #bsBestSellers .card__sub { font-size: 12px; }
    #bsBestSellers .card__priceLabel { font-size: 14px; }
    #bsBestSellers .card__price { font-size: 28px; }
    #bsBestSellers .card__volume { font-size: 18px; }
    #bsBestSellers .card__bullets { font-size: 12px; }
    /* 移动端取消换行 + 关键修复：垂直对齐 */
    #bsBestSellers .card__volume-main,
    #bsBestSellers .card__volume-highlight {
      display: inline;
      vertical-align: middle; /* 强制中线对齐，解决水平线错位 */
      margin-top: 0;
      margin-left: 4px;
    }
    
    /* 移动端按钮适配 */
    #bsBestSellers .btn { height: 38px; font-size: 13px; }
  }

  @media (max-width: 520px) {
    #bsBestSellers.is-m3 .bs__track { gap: 12px; }
    #bsBestSellers.is-m3 .card { flex-basis: calc((100% - 12px * 2) / 3); }
    #bsBestSellers.is-m3 .card__media { height: 120px; }
    
    #bsBestSellers.is-m3 .card__product-info,
    #bsBestSellers.is-m3 .card__price-area,
    #bsBestSellers.is-m3 .card__features,
    #bsBestSellers.is-m3 .card__actions {
      padding: 8px 10px;
    }

    #bsBestSellers.is-m3 .card__title { font-size: 13px; margin-bottom: 2px; }
    #bsBestSellers.is-m3 .card__sub { font-size: 10px; }
    #bsBestSellers.is-m3 .card__priceLabel { font-size: 12px; margin-bottom: 3px; }
    #bsBestSellers.is-m3 .card__price { font-size: 22px; margin-bottom: 3px; }
    #bsBestSellers.is-m3 .card__volume { font-size: 14px; }
    #bsBestSellers.is-m3 .card__bullets { font-size: 10px; }
    #bsBestSellers.is-m3 .btn { height: 32px; font-size: 12px; font-weight: 600; }
  }