/* 广告条样式 */
.vertise {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 56px;
  line-height: 56px;
  background: linear-gradient(90deg, #4f46e5, #3b82f6);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.vertise-btn {
  background: #fff;
  color: #2563eb;
  font-weight: 600;
  margin-left: 20px;
  padding: 6px 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease;
}

.vertise-btn:hover {
  background: #f1f5f9;
}

.vertise-close {
  margin-left: 20px;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  opacity: 0.8;
  transition: opacity 0.2s ease;
  position: absolute;
  right: 20px;
}

.vertise-close:hover {
  opacity: 1;
}

/* 隐藏时向上移走 */
.vertise.hide {
  transform: translateY(-100%);
}