body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #ffffff;
    color: #111827;
}

.article {
    max-width: 850px;
    margin: auto;
    padding: 60px 20px;
}

.category {
    color: #29a885;
    font-weight: bold;
    font-size: 14px;
}

h1 {
    font-size: 45px;
    line-height: 1.2;
}

.meta {
    color: #64748b;
    margin: 20px 0 40px;
}

p {
    font-size: 18px;
    line-height: 1.8;
    color: #374151;
}

h2 {
    font-size: 30px;
    margin-top: 45px;
}

.code {
    background: #111827;
    color: white;
    padding: 25px;
    border-radius: 15px;
    overflow: auto;
}

.box {
    background: #eff6ff;
    border-left: 5px solid #29a885;
    padding: 20px;
    margin: 30px 0;
    border-radius: 10px;
}

.cta {
    background: #29a885;
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    margin-top: 50px;
}

.cta a {
    background: white;
    color: #29a885;
    padding: 12px 25px;
    border-radius: 10px;
    text-decoration: none;
    display: inline-block;
    margin-top: 20px;
    font-weight: bold;
}

@media(max-width:700px) {
    h1 {
        font-size: 32px;
    }
}