.header {
    display: flex;
    align-items: center;
    /* margin-top: 8px; */
    margin-bottom: 16px;
    /* padding: 1rem 2rem; */
    padding:0px 20px;
    /* background: #f8f9fa; */
    /* border-bottom: 1px solid #e9ecef; */
    gap: 1rem;
}

.logo-container {
    display: flex;
    gap: 8px;
    align-items: center;
}

.logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

/* 蓝色方案 - 推荐 */
.logo-blue {
    background: linear-gradient(135deg, #2196F3, #1976D2);
}

/* 紫色方案 */
.logo-purple {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

/* 绿色方案 */
.logo-green {
    background: linear-gradient(135deg, #4CAF50, #388E3C);
}

/* 橙色方案 */
.logo-orange {
    background: linear-gradient(135deg, #FF9800, #F57C00);
}

/* 红色方案 */
.logo-red {
    background: linear-gradient(135deg, #F44336, #D32F2F);
}

/* 深色方案 */
.logo-dark {
    background: linear-gradient(135deg, #424242, #212121);
}

.logo-info {
    margin-left: 1rem;
}