body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

.header {
    background: #fff;
    border-bottom: 1px solid #ddd;
    padding: 20px;
    text-align: center;
}

.header h1 {
    margin: 0;
    font-size: 24px;
    color: #2c3e50;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 40px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.article-meta {
    color: #888;
    font-size: 0.9em;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

p {
    margin-bottom: 1.5em;
    font-size: 18px;
}

.btn-cookie {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #27ae60;
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    font-weight: bold;
    z-index: 1000;
}

.offer-box {
    background: #dff0d8;
    border: 1px solid #d6e9c6;
    color: #3c763d;
    padding: 50px;
    text-align: center;
    border-radius: 4px;
    margin-top: 50px;
}

.offer-btn {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 20px 40px;
    font-size: 24px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: bold;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.nav-card {
    background: #f1f1f1;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: background 0.2s;
}

.nav-card:hover {
    background: #e1e1e1;
}

.explainer-box {
    background: #e8f4fd;
    border: 1px solid #b6d4fe;
    color: #0c5460;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    font-size: 0.9em;
}

.explainer-box strong {
    display: block;
    margin-bottom: 5px;
    color: #004085;
}