/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    background-color: #222;
    color: white;
    padding: 1px;
    text-align: center;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #ff9900;
}

main {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h2 {
    color: #007bff;
    margin-bottom: 15px;
    text-align: center;
    border-bottom: 2px solid #007bff;
    padding-bottom: 5px;
}

.contact-info {
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    margin-bottom: 20px;
    width: 80%;
    max-width: 600px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 3px;
    background-color: #f9f9f9;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.contact-item img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.contact-form {
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    width: 80%;
    max-width: 600px;
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input,
form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 14px;
}

form input[type="submit"] {
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form input[type="submit"]:hover {
    background-color: #0056b3;
}

#successMessage {
    color: green;
    text-align: center;
    margin-top: 10px;
}

footer {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}