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

body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #fff;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    background-color: #c41e3a;
    padding: 1rem 0;
    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: 0 2rem;
}

.logo {
    color: #ffd700;
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffd700;
}

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

/* Banner样式 */
.banner {
    width: 100%;
    height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    margin-bottom: 3rem;
}

.banner h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

/* 卡片样式 */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s;
}

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

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

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    color: #c41e3a;
    margin-bottom: 1rem;
}

/* 页脚样式 */
footer {
    background: #c41e3a;
    color: #fff;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* 习俗页面特殊样式 */
.customs-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.custom-item {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateX(-100px);
    animation: slideIn 0.8s forwards;
}

.custom-item:nth-child(even) {
    flex-direction: row-reverse;
    transform: translateX(100px);
}

.custom-item img {
    width: 400px;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.custom-content {
    padding: 2rem;
    flex: 1;
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 美食页面特殊样式 */
.food-container {
    column-count: 3;
    column-gap: 2rem;
    padding: 2rem;
}

.food-item {
    break-inside: avoid;
    margin-bottom: 2rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.food-item:hover {
    transform: scale(1.02);
}

.food-item img {
    width: 100%;
    border-radius: 10px 10px 0 0;
}

.food-content {
    padding: 1.5rem;
}

/* 祝福页面特殊样式 */
.greetings-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    padding: 3rem;
}

.greeting-card {
    width: 300px;
    height: 400px;
    perspective: 1000px;
    cursor: pointer;
}

.greeting-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s;
}

.greeting-card:hover .greeting-inner {
    transform: rotateY(180deg);
}

.greeting-front, .greeting-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.greeting-front {
    background: #fff;
    overflow: hidden;
}

.greeting-front img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.greeting-back {
    background: #c41e3a;
    color: #fff;
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}