body {
    font-family: "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f9;
}
header {
    text-align: center;
    margin-bottom: 40px;
}
section {
    background: #fff;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
h2 {
    border-bottom: 2px solid #0047ab;
    padding-bottom: 10px;
    color: #0047ab;
}
p {
    text-wrap: pretty;
}
.image-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #eee;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
/* Display size for guide images */
.guide-img {
    width: 300px;
}
.guide-img-landscape {
    width: 100%;
    max-width: 600px;
}
.description {
    margin-top: 15px;
    font-size: 0.95em;
    color: #555;
    background: #f9f9f9;
    padding: 12px 20px;
    border-top: 3px solid #0047ab;
    border-radius: 0 0 8px 8px;
    width: 100%;
    max-width: 600px;
    box-sizing: border-box;
    text-align: start;
}
footer {
    text-align: center;
    margin-top: 50px;
    font-size: 0.9em;
    border-top: 1px solid #c4c6d0;
}
.nav-links {
    margin-top: 20px;
}
.nav-links a {
    text-decoration: none;
    color: #0047ab;
    margin: 0 10px;
    font-weight: bold;
}
.nav-links a:hover {
    text-decoration: underline;
}