/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    padding: 0.8rem 0;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* 轮播图样式 */
.carousel {
    margin-bottom: 2rem;
}

.carousel-item img {
    max-height: 500px;
    object-fit: cover;
}

/* 商品卡片样式 */
.product-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.product-info {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1rem;
    margin-bottom: 10px;
    height: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: #ff4400;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
    flex-grow: 1;
}

.buy-btn {
    background-color: #ff4400;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
}

.buy-btn:hover {
    background-color: #ff6633;
}

/* 分类标签样式 */
.category-badge {
    display: inline-block;
    background-color: #f0f0f0;
    color: #666;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 5px;
    margin-bottom: 5px;
}

/* 页脚样式 */
footer {
    margin-top: 3rem;
}

/* 搜索框样式 */
.search-form {
    margin-bottom: 2rem;
}

/* 管理员登录页样式 */
.login-container {
    max-width: 400px;
    margin: 5rem auto;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
}

/* 管理后台样式 */
.admin-sidebar {
    height: 100vh;
    background-color: #343a40;
    padding-top: 2rem;
}

.admin-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 10px 15px;
}

.admin-sidebar .nav-link:hover {
    color: #fff;
    background-color: #495057;
}

.admin-content {
    padding: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-item img {
        max-height: 300px;
    }
    
    .product-img {
        height: 150px;
    }
}