body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #f1f1f1;
    text-align: center;
}

.title {
    font-size: 24px;
    font-weight: bold;
    padding: 20px 0;
}

nav {
    display: flex;
    justify-content: center;
    background-color: #333;
    width: 100%; /* 确保导航条占满整个宽度 */
}

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

nav li {
    margin: 0 15px; 
}

nav a {
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    display: block; /* 使链接填满父元素 */
}

nav a:hover {
    background-color: #ddd;
    color: black;
}

.container {
    max-width: 800px; /* 设置与index.html一致的宽度 */
    margin: 20px auto; /* 居中并添加垂直间距 */
    padding: 20px;
    border: 1px solid black; /* 黑色边框 */
    border-radius: 8px; /* 圆角效果 */
}

footer {
    background-color: #f1f1f1;
    padding: 20px;
    text-align: center;
}

.form-section {
    text-align: center;
    font-size: larger;
    margin: 20px 0;
}

.contact-box {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.contact-item {
    display: flex; /* 添加这一行 */
    flex-direction: column; /* 修改为垂直方向 */
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 20px;
    width: 180px;
    text-align: center; /* 修改为 center */
    overflow-wrap: break-word;
    word-wrap: break-word;
    background-color: #e0e0e0;
    transition: background-color 0.3s, transform 0.3s;
}

.contact-item:hover {
    background-color: #d0d0d0;
    transform: scale(1.03);
}

.email-link,
.wechat-link,
.twitter-link,
.github-link {
    text-decoration: underline;
    cursor: pointer;
    color: black;
    transition: color 0.3s ease;
}

.email-link:hover,
.wechat-link:hover,
.twitter-link:hover,
.github-link:hover {
    color: blue;
}

.email {
    display: block; /* 添加这一行 */
    max-width: 120px; /* 可调整的最大宽度以控制换行 */
    word-wrap: break-word;
}

.project-link {
    display: inline-block;
    margin-top: 10px;
    text-decoration: underline;
    color: black;   /* 默认颜色为黑色 */
    cursor: pointer;
    transition: color 0.3s;
}

.download-link {
    color: blue; /* 默认文字颜色 */
    text-decoration: none; /* 默认去掉下划线 */
}

.download-link:hover {
    color: red; /* 鼠标悬停时的文字颜色 */
}

.project-link:hover {
    color: blue;  /* 悬停时颜色变为蓝色 */
}

.project-link:active {
    color: blue;  /* 点击时颜色保持为蓝色 */
}

/* 额外的样式可以添加在这里 */