/* ============================================
   深圳腾骏达科技 - 关于我们列表页样式
   ============================================ */

.main-layout { display: flex; gap: 2.5rem; padding: 2.5rem 0; }
.sidebar { flex: 0 0 250px; background: white; border-radius: 16px; padding: 1.5rem; box-shadow: 0 6px 18px rgba(0,0,0,0.03); position: sticky; top: 80px; align-self: flex-start; }
.sidebar h3 { font-size: 1.2rem; font-weight: 700; color: #003D7A; margin-bottom: 1rem; padding-bottom: 0.8rem; border-bottom: 2px solid #FF6600; }
.sidebar-category { margin-bottom: 1.2rem; }
.sidebar-sub a { display: block; padding: 0.4rem 0 0.4rem 0.8rem; font-size: 0.85rem; color: #6b7280; border-left: 2px solid transparent; transition: 0.15s; }
.sidebar-sub a:hover, .sidebar-sub a.active { color: #003D7A; border-left-color: #FF6600; background: #f0f4ff; font-weight: 500; }
.sidebar-contact { margin-top: 2rem; padding-top: 1.5rem; border-top: 2px solid #eef3fa; }
.sidebar-contact h4 { font-size: 1rem; font-weight: 700; color: #003D7A; margin-bottom: 1rem; }
.sidebar-contact p { font-size: 0.85rem; color: #4b5563; margin-bottom: 0.6rem; }
.sidebar-contact strong { color: #FF6600; }
.content-area { flex: 1; min-width: 0; }

/* 页面 Banner 图片样式（固定高度320px） */
.page-banner-img {
  width: 100%;
  height: 320px;          /* 固定高度320px */
  overflow: hidden;
  position: relative;
}
.banner-image {
  width: 100%;
  height: 320px;          /* 固定高度320px */
  object-fit: cover;      /* 保持比例裁剪，填满容器 */
  object-position: center;
  display: block;
}
.banner-placeholder {
  width: 100%;
  height: 320px;          /* 固定高度320px */
  background: linear-gradient(135deg, #003D7A, #0055a5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}
.banner-placeholder .banner-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}
.banner-placeholder h1 {
  font-size: 2rem;
  font-weight: 700;
  color: white;
}
.banner-placeholder p {
  font-size: 1rem;

  opacity: 0.9;
  margin-top: 0.5rem;
}

/* 卡片网格 */
.about-grid-list { display: flex; flex-direction: column; gap: 1.2rem; }
.about-card-item { background: white; border-radius: 16px; padding: 1.8rem; box-shadow: 0 6px 18px rgba(0,0,0,0.03); transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: pointer; display: flex; gap: 1.5rem; align-items: flex-start; border-left: 4px solid transparent; }
.about-card-item:hover { transform: translateX(6px); box-shadow: 0 12px 28px rgba(0,0,0,0.08); border-left-color: #FF6600; }
.about-card-icon { font-size: 2.5rem; flex-shrink: 0; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: #f0f4ff; border-radius: 12px; }
.about-card-info { flex: 1; }
.about-card-info h4 { font-size: 1.15rem; font-weight: 700; color: #003D7A; margin-bottom: 0.5rem; }
.about-card-info p { font-size: 0.9rem; color: #6b7280; line-height: 1.6; margin-bottom: 0.8rem; }
.about-card-footer { display: flex; align-items: center; justify-content: space-between; }
.about-tag { font-size: 0.75rem; background: #f0f4ff; color: #003D7A; padding: 0.2rem 0.8rem; border-radius: 12px; font-weight: 500; }
.about-arrow { font-size: 0.85rem; color: #FF6600; font-weight: 500; }

/* 响应式 */
@media (max-width: 992px) {
  .main-layout { flex-direction: column; }
  .sidebar { position: static; }
  .about-card-item { flex-direction: column; text-align: center; align-items: center; }
  .about-card-footer { justify-content: center; gap: 1rem; }
}