#system .ant-tree-node-content-wrapper {
    display: inline-flex;
}

#system .ant-menu-inline,
.ant-menu-vertical,
.ant-menu-vertical-left {
    border-right: none !important;
}

/* ===== 手機直向遮罩 — 強制橫向瀏覽 ===== */
#portrait-overlay {
    display: none;
}

@media screen and (max-width: 1024px) and (orientation: portrait) {
    #portrait-overlay {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 99999;
        background: #111;
        color: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        gap: 16px;
        text-align: center;
        padding: 20px;
    }

    #portrait-overlay::before {
        content: "📱 ↻";
        font-size: 56px;
        display: block;
    }
}