.slideshow {
    height: 400px;
    object-fit: cover;
}

/* 自定义导航样式 */
.navbar {
  background-color: #000 !important;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.navbar .nav-link {
  color: #fff !important;
  font-weight: 500;
  transition: all 0.3s ease;
}

.navbar .nav-link:hover {
  color: #ff0000 !important;
}

.navbar .nav-item.active .nav-link {
  background-color: #d90000 !important;
  color: white !important;
  border-radius: 0;
}

/* 搜索框样式 */
.form-control {
  width: 180px;
  border-color: #ccc;
}

.form-control:focus {
  border-color: #ff0000;
  box-shadow: none;
}

.btn-outline-light {
  border-color: #fff;
  color: #fff;
}

.btn-outline-light:hover {
  background-color: #fff;
  color: #000;
}

/* 隐藏默认的下划线 */
.navbar-brand img {
  max-height: 50px;
}