/* 全局样式 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --background-color: #f8f9fa;
    --section-padding: 80px 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

/* 导航栏样式 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

/* 主页英雄区样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 60px;
}

.hero-content {
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-content h2 {
    font-size: 24px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero-content .intro {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* 章节通用样式 */
.section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
}

/* 教育经历时间线 */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--secondary-color);
}

.timeline-item {
    margin-bottom: 40px;
    position: relative;
}

.timeline-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: calc(50% - 30px);
    margin-left: auto;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content .period {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 5px;
}

/* 荣誉成就样式 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.honor-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.honor-item h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.honor-item ul {
    list-style-position: inside;
    color: var(--text-color);
}

.honor-item li {
    margin-bottom: 10px;
}

/* 联系方式样式 */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 24px;
    color: var(--secondary-color);
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-content {
        width: calc(100% - 30px);
        margin-left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        margin-left: 30px;
    }

    .honors-grid {
        grid-template-columns: 1fr;
    }
}