/* 基础样式设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
header {
    background-color: #35424a;
    color: white;
    padding: 1rem;
    text-align: center;
}

/* 导航样式 */
nav ul {
    list-style: none;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover, nav a.active {
    background-color: #e8491d;
}

/* 主内容区样式 */
main {
    flex: 1;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    margin-bottom: 1rem;
    color: #35424a;
}

/* 项目列表样式 */
.project-list {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
}

.project-item {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.project-item a {
    display: inline-block;
    margin-top: 0.5rem;
    color: #e8491d;
    text-decoration: none;
}

/* 联系信息样式 */
.contact-info {
    margin-top: 1rem;
    line-height: 2;
}

.contact-info a {
    color: #e8491d;
    text-decoration: none;
}

/* 页脚样式 */
footer {
    background-color: #35424a;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* 响应式调整 */
@media (max-width: 600px) {
    nav ul {
        gap: 0.5rem;
    }
    
    nav a {
        padding: 0.3rem 0.6rem;
        font-size: 0.9rem;
    }
}