*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background: #f4f4f4;
    line-height: 1.6;
}

p {
    font-size: 14px;
    margin: 0 0 16px;
}

h1 {
    font-size: 24px;
    font-weight: 600;
}

h2 {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin: 28px 0 12px;
}

td {
    font-size: 13px;
}

a {
    color: #2980b9;
    text-decoration: none;
}

a:hover {
    color: #1a5276;
    text-decoration: underline;
}

/* Main container */
#main-frame {
    max-width: 900px;
    width: 100%;
    margin: 30px auto;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
}

/* Header area */
#main-frame #header {
    background: #fff;
}

#main-frame #header #lang-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 4px;
    padding: 6px 24px 0;
    background: #fff;
}

#main-frame #header #lang-bar a.lang-switch {
    display: inline-block;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: #555;
    background: #f0f0f0;
    border-radius: 4px;
    border: 1px solid #ddd;
    line-height: 1.4;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    text-decoration: none;
}

#main-frame #header #lang-bar a.lang-switch:hover {
    background: #1a5276;
    color: #fff;
    border-color: #1a5276;
    text-decoration: none;
}

#main-frame #header .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
}

#main-frame #header #logo {
    flex-shrink: 0;
}

#main-frame #header #logo img {
    display: block;
    max-width: 100%;
    height: auto;
}

#main-frame #header #top-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

#main-frame #header #top-menu a {
    display: inline-block;
    padding: 8px 14px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    color: #2c3e50;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}

#main-frame #header #top-menu a.active {
    background: #1a5276;
    color: #fff;
}

#main-frame #header #top-menu a:hover {
    background: #eaf2f8;
    color: #1a5276;
}

#main-frame #header #top-menu a.active:hover {
    background: #154360;
    color: #fff;
}

/* Content images — make responsive */
#main-frame #content img {
    max-width: 100%;
    height: auto;
}

/* Image gallery */
#main-frame #content .text p.images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin: 28px 0;
}

#main-frame #content .text p.images a {
    display: block;
    width: 200px;
    flex: 0 1 auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: box-shadow 0.2s, transform 0.2s;
}

#main-frame #content .text p.images a:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
    transform: translateY(-3px);
    text-decoration: none;
}

#main-frame #content .text .image {
    display: block;
    width: 100%;
    height: 180px;
    object-fit: cover;
    border: none;
    border-radius: 0;
    margin: 0;
    vertical-align: middle;
}

#main-frame #content .text p.images a .caption {
    display: block;
    text-align: center;
    padding: 10px 0 12px;
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    background: #fff;
}

/* Content area */
#main-frame #content {
    padding: 32px;
}

#main-frame #content .text {
    font-size: 14px;
}

#main-frame #content .text h1 {
    font-size: 22px;
    color: #1a5276;
    margin: 32px 0 16px;
}

#main-frame #content .text h2 {
    font-size: 18px;
    color: #2c3e50;
    margin: 28px 0 12px;
}

#main-frame #content .text ul {
    margin: 0 0 16px;
    padding-left: 24px;
}

#main-frame #content .text li {
    font-size: 14px;
    margin-bottom: 4px;
}



#main-frame #content .text table {
    border-collapse: collapse;
    margin: 16px 0;
    width: auto;
    min-width: 50%;
}

#main-frame #content .text table td {
    padding: 4px 16px;
    font-size: 13px;
}

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 920px) {
    #main-frame {
        margin: 0;
        border-radius: 0;
        box-shadow: none;
    }

    #main-frame #content {
        padding: 20px 16px;
    }

    #main-frame #header #lang-bar {
        padding: 6px 16px 0;
    }

    #main-frame #header .header-top {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px 16px;
    }

    #main-frame #header #logo {
        width: 80px;
    }

    #main-frame #header #top-menu {
        flex-wrap: wrap;
        gap: 2px;
    }

    #main-frame #header #top-menu a {
        font-size: 12px;
        padding: 6px 10px;
    }

    #main-frame #header #lang-bar a.lang-switch {
        font-size: 10px;
        padding: 3px 6px;
    }

    #main-frame #content .text p.images {
        gap: 10px;
    }

    #main-frame #content .text .image {
        height: 140px;
    }

    #main-frame #content .text table {
        width: 100%;
        display: block;
        overflow-x: auto;
    }

    #main-frame #content .text td {
        white-space: nowrap;
    }

    p {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    #main-frame #header #lang-bar {
        padding: 6px 16px 0;
    }

    #main-frame #header .header-top {
        flex-direction: column;
        align-items: flex-start;
    }

    #main-frame #header #top-menu a {
        font-size: 11px;
        padding: 5px 8px;
    }

    #main-frame #header #lang-bar a.lang-switch {
        font-size: 9px;
        padding: 2px 5px;
    }

    #main-frame #content .text p.images {
        gap: 14px;
    }

    #main-frame #content .text .image {
        height: 200px;
    }

    #main-frame #content .text h1 {
        font-size: 19px;
    }

    #main-frame #content .text h2 {
        font-size: 16px;
    }
}

/* Footer */
#main-frame #footer {
    text-align: center;
    padding: 16px;
    font-size: 11px;
    color: #999;
    border-top: 1px solid #eee;
}