/* ========================================
   TAILG 手风琴产品展示 - 完整版
   桌面端：横向手风琴 | 平板/手机：纵向手风琴
   图片尺寸：904*736（横版）
   ======================================== */

/* 桌面端：横向排列 */
.tailg-accordion {
  display: flex;
  gap: 10px;
  width: 100%;
  height: 500px;
  overflow: hidden;
}

/* 卡片基础样式 */
.tailg-accordion a.accordion-item {
  position: relative;
  flex: 1;
  height: 100%;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
  outline: none;
  
  /* 背景图：桌面端默认靠左显示 */
  background-image: var(--bg);
  background-size: cover;
  background-position: left center;
  background-repeat: no-repeat;
  background-color: #222;
  
  /* 宽度和图片位置同时过渡 */
  transition: 
    flex 0.6s cubic-bezier(0.25, 1, 0.5, 1),
    background-position 0.6s ease;
}

/* 桌面端悬停交互 */
.tailg-accordion:hover a.accordion-item { flex: 0.6; }
.tailg-accordion a.accordion-item:hover {
  flex: 3;
  background-position: center center;
}

/* 桌面端遮罩：底部深，确保底部文字清晰 */
.tailg-accordion a.accordion-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top, 
    rgba(0, 0, 0, 0.75) 0%, 
    rgba(0, 0, 0, 0.2) 40%, 
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* 桌面端文字：底部对齐 */
.tailg-accordion .item-content {
  position: absolute;
  bottom: 30px;
  left: 25px;
  right: 25px;
  z-index: 2;
  color: #fff;
  pointer-events: none;
}

.tailg-accordion .item-content h3 {
  margin: 0 0 8px 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.tailg-accordion .item-content p {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  opacity: 0.9;
}

/* ========================================
   平板 + 手机（≤1024px）：纵向手风琴
   ======================================== */
@media (max-width: 1024px) {
  .tailg-accordion {
    flex-direction: column;
    height: 600px;        /* 纵向总高度 */
  }
  
  .tailg-accordion a.accordion-item {
    width: 100%;
    height: auto;
    background-position: top center;  /* 图片上边对齐 */
  }
  
  /* 纵向手风琴交互：悬停展开 */
  .tailg-accordion:hover a.accordion-item { flex: 0.6; }
  .tailg-accordion a.accordion-item:hover {
    flex: 3;
    background-position: center center;
  }
  
  /* 遮罩改为顶部深，确保顶部文字清晰 */
  .tailg-accordion a.accordion-item::after {
    background: linear-gradient(
      to bottom, 
      rgba(0, 0, 0, 0.75) 0%, 
      rgba(0, 0, 0, 0.2) 40%, 
      transparent 100%
    );
  }
  
  /* 文字内容：上边对齐 */
  .tailg-accordion .item-content {
    top: 25px;
    bottom: auto;
  }
}

/* ========================================
   小屏手机（≤480px）：进一步微调
   ======================================== */
@media (max-width: 480px) {
  .tailg-accordion {
    height: 520px;
    gap: 8px;
  }
  
  .tailg-accordion a.accordion-item {
    border-radius: 10px;
  }
  
  .tailg-accordion .item-content {
    top: 20px;
    left: 20px;
    right: 20px;
  }
  
  .tailg-accordion .item-content h3 {
    font-size: 18px;
  }
  
  .tailg-accordion .item-content p {
    font-size: 13px;
  }
}