body {
    margin: 0;
    font-family: 'Times New Roman', serif;
}

.header {
    background-color: #264b6b;
    color: white;
    text-align: center;
    padding: 50px 20px;
}

h1 {
    font-size: 48px;
    font-weight: normal;
}

.subtitle {
    color: #e0e0e0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.kartu {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0,0,0,.12);
    padding: 28px 32px;
    margin: 32px 0;    
    border-left: 5px solid #264b6b;
}

h2 {
    font-size: 20px;
}

pre {
    background: #1e2939;
    color: #e2e8f0;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 10px;
}

.warna-tag   { color: #6eb4f7; }
.warna-attr  { color: #f4a261; }
.warna-value { color: #a8d8a8; }