/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

/* 顶部导航 */
.top-nav {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

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

.logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #ff6b81;
    color: #fff;
}

/* 页脚 */
footer {
    background: #f8f9fa;
    padding: 20px 0;
    text-align: center;
    margin-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    color: #666;
}