body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
    margin: 0;
    padding: 30px 15px;
    line-height: 1.7;
}

.page {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 18px;
    padding: 40px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

h1 {
    color: #111827;
    margin-bottom: 25px;
}

h2 {
    color: #374151;
}

a {
    color: #667eea;
    text-decoration: none;
}

.nav {
    margin-bottom: 25px;
}

.nav a {
    margin-right: 15px;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}

th {
    background: #f3f4f6;
}

.muted {
    color: #6b7280;
    font-size: 14px;
}

ul {
    padding-left: 22px;
}
@media (max-width: 640px) {
    body {
        padding: 15px 10px;
    }

    .page {
        padding: 22px;
        border-radius: 14px;
    }

    .nav {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav a {
        margin-right: 0;
        font-size: 14px;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 9px;
    }
}
.support-actions {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.support-button {
    display: block;
    padding: 14px;
    text-align: center;
    border-radius: 12px;
    background: #f5f7fb;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    font-weight: 600;
}

.support-button:hover {
    background: #eef2ff;
}