/* 登录页面LOGO样式 */
.company-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.logo-placeholder {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    color: white;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 侧边栏LOGO样式 */
.sidebar-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: block;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.sidebar-logo-placeholder {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: white;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}