/* 整个页面 */
body {
    font-family: "微软雅黑", sans-serif;
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    text-align: center;
    
    background-image: url("https://img2.baidu.com/it/u=4226853470,3053223723&fm=253&fmt=auto&app=120&f=JPEG?w=500&h=1106");
    background-size: cover;
}body 



/* 标题 */
h1 {
    color: #2c5aa0;
}

/* 图片 */
img {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 按钮 */
button {
    background-color: #564caf;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
}

button:hover {
    background-color: #4559a0;
}

/* 留言板 */
#guestbook {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

#guestbook h2, #guestbook h3 {
    color: #2c5aa0;
}

#guestbook-form label {
    display: block;
    margin-bottom: 5px;
    text-align: left;
}

#guestbook-form input[type="text"],
#guestbook-form textarea {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    min-height: 80px; /* Make the textarea smaller */
}

#guestbook-form button {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    margin-top: 0;
}

.guestbook-message-item {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    text-align: left;
}

.guestbook-message-item strong {
    color: #564caf;
}

.guestbook-message-item .timestamp {
    font-size: 0.8em;
    color: #888;
    float: right;
}