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

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

/* 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;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #e60012;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #e60012;
}

/* 主要内容区域样式 */
.main-content {
    margin-top: 80px;
    padding: 2rem;
}

.hero-section {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    margin-bottom: 3rem;
}

.hero-section h1 {
    font-size: 2.5rem;
    color: #e60012;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
    color: #666;
}

/* 美食卡片网格布局 */
.food-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.food-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.food-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.food-card h3 {
    padding: 1rem;
    color: #333;
}

.food-card p {
    padding: 0 1rem;
    color: #666;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 1rem;
    background-color: #e60012;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #cc0000;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

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