body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
    color: #333;
}
header {
    background: #2c3e50;
    color: white;
    padding: 15px;
    text-align: center;
}
nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}
.container {
    width: 90%;
    max-width: 900px;
    margin: 20px auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.floating-buttons a {
    display: block;
    padding: 12px 18px;
    border-radius: 30px;
    text-align: center;
    color: white;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}
.call-btn { background: #27ae60; }
.zalo-btn { background: #2980b9; }
.book-btn { background: #e67e22; }
form input, form select, form textarea {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}
form button {
    background: #27ae60;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}
form button:hover {
    background: #219150;
}