body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    padding: 25px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

h1 {
    font-size: 2.5em;
    text-align: center;
    color: #34495e;
    border-bottom: 2px solid #3498db;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

h2 {
    font-size: 1.8em;
    color: #3498db;
}

h3 {
    font-size: 1.4em;
    color: #2c3e50;
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 30px;
}

p {
    margin-bottom: 1em;
    font-size: 1.1em;
    line-height: 1.7;
}

.vulnerability-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.vulnerability-item {
    display: block;
    background-color: #ecf0f1;
    border-radius: 8px;
    padding: 20px;
    text-decoration: none;
    color: #333;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.vulnerability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    background-color: #e0e6e7;
}

.vulnerability-item h2 {
    font-size: 1.4em;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 10px;
    border-bottom: none;
    padding-bottom: 0;
}

.vulnerability-item p {
    font-size: 0.95em;
    color: #555;
    margin-bottom: 0;
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

.section {
    margin-bottom: 25px;
    padding: 15px;
    background-color: #f9fbfb;
    border-left: 5px solid #3498db;
    border-radius: 4px;
}

.section h3 {
    color: #34495e;
    margin-top: 0;
    margin-bottom: 10px;
}

.error-message {
    color: #e74c3c;
    background-color: #fcecec;
    border: 1px solid #e74c3c;
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}