body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f9f9f9;
    color: #222;
}

a {
    color: #0077cc;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover, a:focus {
    color: #005fa3;
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    color: #1a1a1a;
}

p {
    margin: 0 0 1em 0;
    line-height: 1.6;
}

ul, ol {
    margin: 0 0 1em 2em;
    padding: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: 1em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2em 1em;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border-radius: 8px;
}