/* 左侧竖排菜单 */
.side-menu {
    width: 100%;
}
.side-menu-item {
    display: block;
    padding: 6px 7px;
    margin: 8px 0;
    color: #8B4513;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}
.side-menu-item:hover {
    background: #f5f5f5;
    border-left-color: #D2691E;
    padding-left: 20px;
}
.side-menu-item.active {
    background: #fff8f0;
    border-left-color: #D2691E;
    font-weight: 600;
}
.side-menu-item.disabled {
    color: #999;
    cursor: not-allowed;
    border-left-color: transparent;
}
.side-menu-item.disabled:hover {
    background: transparent;
    padding-left: 15px;
}