body {
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f5f7f9;
    color: #1f2937;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background-color: #ffffff;
    padding: 40px 50px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    border-radius: 6px;
}

.logo {
    max-width: 220px;
    margin-bottom: 20px;
}

h1 {
    font-size: 26px;
    margin-bottom: 10px;
    color: #0f172a;
}

h2 {
    font-size: 18px;
    margin-top: 30px;
    margin-bottom: 10px;
    color: #0f172a;
}

p {
    margin-bottom: 16px;
}

ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 8px;
}

.notice {
    background-color: #f1f5f9;
    border-left: 4px solid #2563eb;
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 3px;
}

.notice.admin {
    border-left-color: #dc2626; /* visually distinct for admin */
}

footer {
    margin-top: 40px;
    font-size: 13px;
    color: #6b7280;
    border-top: 1px solid #e5e7eb;
    padding-top: 16px;
}