body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

.back-link {
    display: inline-block;
    color: #bdc3c7;
    text-decoration: none;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.back-link:hover {
    color: white;
}

.report-content {
    background: white;
    padding: 40px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.report-content h2 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #f0f2f5;
    padding-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
    font-size: 0.8rem;
    border-top: 1px solid #eee;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }
    .report-content {
        padding: 20px;
    }
}