/* Reset cơ bản */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Nền trang */
body {
    font-family: Arial, sans-serif;
    background-color: #fff5e6;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #d62828;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Menu */
nav {
    background-color: #f77f00;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover {
    color: yellow;
}

/* Nội dung */
main {
    padding: 20px;
}

/* Hình ảnh */
img {
    max-width: 100%;
    border-radius: 10px;
    margin: 10px 0;
}

/* Footer */
footer {
    background-color: #d62828;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}

/* Bản đồ */
iframe {
    border-radius: 10px;
    margin-top: 15px;
}