/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 导航栏样式 */
nav {
    background-color: #34495e;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
}

nav ul li a i {
    margin-right: 0.5rem;
}

nav ul li a:hover {
    color: #3498db;
}

/* 主要内容区域 */
main {
    padding: 2rem 0;
}

.section {
    padding: 3rem 0;
    border-bottom: 1px solid #e9ecef;
}

.section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
    position: relative;
    padding-bottom: 0.5rem;
}

.section h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: #3498db;
}

/* 个人简介卡片 */
.profile-card {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin: 0 auto;
    max-width: 800px;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1rem;
}

.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.profile-info p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.profile-info p i {
    margin-right: 0.5rem;
    color: #3498db;
}

/* 时间线样式 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: #e0e0e0;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-date {
    width: 120px;
    text-align: right;
    padding-right: 20px;
    color: #7f8c8d;
}

.timeline-content {
    flex: 1;
    padding: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.timeline-content p {
    margin-bottom: 0.5rem;
}

/* 荣誉网格 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.honor-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s;
}

.honor-card:hover {
    transform: translateY(-5px);
}

.honor-icon {
    background-color: #3498db;
    color: white;
    padding: 1rem;
    text-align: center;
}

.honor-icon i {
    font-size: 2rem;
}

.honor-content {
    padding: 1.5rem;
}

.honor-content h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.honor-content p {
    margin-bottom: 0.5rem;
}

/* 联系方式 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: #3498db;
}

.social-links {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #3498db;
    color: white;
    border-radius: 50%;
    margin: 0 0.5rem;
    transition: background-color 0.3s;
}

.social-link:hover {
    background-color: #2980b9;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .profile-card {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline:before {
        left: 31px;
    }
    
    .timeline-date {
        width: auto;
        padding-right: 0;
        text-align: left;
        padding-left: 1rem;
    }
    
    .timeline-content {
        padding-left: 2rem;
    }
}