/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #F5F5F5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 通用标题样式 */
.section-title {
    text-align: center;
    font-size: 28px;
    color: #DE2910;
    margin: 40px 0;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #FFD700;
    margin: 10px auto;
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 24px;
    color: #DE2910;
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav li {
    margin: 0 15px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    padding: 5px 10px;
    transition: color 0.3s;
}

.nav a:hover,
.nav a.active {
    color: #DE2910;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-section {
    margin: 20px;
}

.footer-section h3 {
    color: #FFD700;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links img {
    width: 30px;
    height: 30px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        display: none; /* 移动端需要添加汉堡菜单 */
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}