/* Header 头部样式 */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 10px;
/*    background: linear-gradient(135deg, rgba(20, 25, 35, 0.98), rgba(15, 20, 30, 0.98));*/
/*    background: linear-gradient(135deg, #7c3aed00 0%, #8b5cf6 50%);;*/
  background: linear-gradient(135deg, #7c3aed00 0%, #8b5cf6 200%);
  backdrop-filter: blur(15px) saturate(150%);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid rgba(139, 92, 246, 0.15);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
  border-radius: 10px;
  background:rgba(139, 92, 246, 0.1);
/*    background: linear-gradient(145deg, rgba(45, 45, 65, 0.5), rgba(30, 30, 45, 0.5));*/
  border: 1px solid rgba(139, 92, 246, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/*.header-back:hover {
  background: linear-gradient(145deg, rgba(60, 60, 85, 0.6), rgba(45, 45, 65, 0.6));
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateX(-2px);
  box-shadow: 0 2px 12px rgba(139, 92, 246, 0.25);
}*/

.header-back svg {
  width: 20px;
  height: 20px;
  color: #8b5cf6;
  stroke-width: 2.5;
}

.header-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.header-logo {
  max-height: 28px;
  max-width: 150px;
  object-fit: contain;
}

.header-title {
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 占位符，用于平衡布局 */
.header-placeholder {
  width: 32px;
  height: 32px;
}