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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.nav-links {
    display: flex;
    list-style: none;
    margin-right: 20px;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 16px;
    line-height: 70px;
    display: inline-block;
}

.nav-links a:hover {
    color: #3498db;
}

.github-link {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    height: 70px;
}

.github-link i {
    font-size: 20px;
}

.github-link:hover {
    color: #3498db;
}

/* 首页区域样式 */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 60px;
    margin-top: 70px;
}

.hero .tagline {
    font-size: 24px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
    padding: 0 20px;
    text-align: center;
}

/* 产品展示区域样式 */
.products {
    padding: 60px 0;
    background-color: #fff;
}

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.products-grid {
    max-width: 900px;
    margin: 0 auto;
}

/* 分隔线 */
.divider {
    height: 2px;
    background: linear-gradient(to right, transparent, #e0e0e0, transparent);
    margin: 60px auto;
    max-width: 800px;
}

/* 信息区域（关于我和联系方式）布局 */
.info-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 关于我部分样式 */
.about {
    padding: 0;
}

.about h2 {
    text-align: left;
    font-size: 36px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.about-content {
    text-align: left;
}

.profile-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #3498db;
}

.experience-list {
    list-style: none;
    padding: 0;
}

.experience-list li {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
}

.experience-list li::before {
    content: "•";
    color: #3498db;
    font-size: 24px;
    position: absolute;
    left: 0;
    top: -2px;
}

/* 联系方式部分样式 */
.contact {
    padding: 0;
}

.contact h2 {
    text-align: left;
    font-size: 36px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.contact-item {
    text-align: left;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 24px;
    color: #3498db;
    margin: 0;
}

.contact-item p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 60px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .github-link {
        margin-left: auto;
    }
    
    .hero .tagline {
        font-size: 22px;
        padding: 0 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }

    .about h2,
    .contact h2 {
        text-align: center;
        font-size: 28px;
    }

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

    .experience-list li {
        text-align: left;
    }

    .contact-info {
        max-width: 100%;
    }

    .contact-item {
        width: 100%;
    }
}