:root[data-theme="light"] {
        --bg-primary: #f5f7fa;
        --bg-card: #ffffff;
        --bg-navbar: #ffffff;
        --text-primary: #1a1a2e;
        --text-muted: #6b7280;
        --border-color: #e5e7eb;
        --shadow: 0 4px 24px rgba(0, 0, 0, .08);
        --toggle-bg: #e0e7ff;
        --toggle-hover: #c7d2fe;
        --icon-color: #f59e0b;
        --accent: #6366f1;
        --hover: #6b728060;
    }

    :root[data-theme="dark"] {
        --bg-primary: #0f172a;
        --bg-card: #1e293b;
        --bg-navbar: #1e293b;
        --text-primary: #f1f5f9;
        --text-muted: #94a3b8;
        --border-color: #334155;
        --shadow: 0 4px 24px rgba(0, 0, 0, .4);
        --toggle-bg: #1e3a5f;
        --toggle-hover: #1d4ed8;
        --icon-color: #818cf8;
        --accent: #818cf8;
        --hover: #94a3b860;
    }



    .main {
        margin-top: 6.5rem;
        text-align: center;
    }


    .main a.world {
        margin-top: 4rem;
        margin-bottom: 2rem;
        display: inline-block;
        line-height: 0;
        max-width: 400px;
        width: 100%;
    }

    .main a.world img {
        display: block;
        width: 100%;
        height: auto;
        object-fit: contain;
        padding: 0;
        transition: transform 0.25s ease;
    }

    .main a.world:hover img {
        transform: scale(1.1);
    }


    /* ── 사이트맵 ── */
    .sitemap {
        font-size: 1.3rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.18em !important;
        color: var(--text-muted) !important;
        text-transform: uppercase;
        padding: 0.5rem 1.1rem !important;
        border-radius: 4px;
        transition: color 0.2s ease, background-color 0.2s ease !important;
        background-color: transparent !important;
        position: relative;
    }

    .sitemap:hover {
        color: var(--text-muted) !important;
        background-color: var(--nav-item-hover-bg) !important;
    }



    /* ── 푸터 ── */
    .footer {
        margin: 0px;
        padding-bottom: 20px;
        padding-top: 40px;
    }