* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background: #f9fafb;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    background: #182d65;
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.header h1 {
    text-align: center;
    font-size: 1.8rem;
}

.content {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h2 {
    color: #182d65;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

h3 {
    color: #374151;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

p, ul, ol {
    margin-bottom: 1rem;
}

ul, ol {
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

.update-date {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.contact-info {
    background: #f3f4f6;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

.footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
    color: #6b7280;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: #182d65;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

.important {
    background: #fef3c7;
    padding: 1rem;
    border-left: 4px solid #f59e0b;
    margin: 1rem 0;
}