/* 基礎設定 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #EBE4CC;
    color: #333;
    line-height: 1.6;
}

/* 標頭樣式 */
.site-header {
    text-align: center;
    padding: 40px 20px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.site-header h1 {
    font-size: 24px;
    color: #4a3b8c;
    margin-bottom: 10px;
}

.site-header p {
    font-size: 14px;
    color: #666;
}

/* 商品網格排版 */
.catalog-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* 商品卡片樣式 */
.product-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

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

.product-image-placeholder {
    height: 250px;
    background-color: #eaeaea;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 14px;
    padding: 20px;
    text-align: center;
}

.product-info {
    padding: 20px;
}

.product-id {
    font-size: 12px;
    background-color: #EBE4CC;
    color: #6b21a8;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.product-title {
    font-size: 18px;
    margin: 10px 0 5px 0;
    color: #222;
}

.product-price {
    font-size: 16px;
    font-weight: bold;
    color: #e11d48;
    margin-bottom: 15px;
}

/* LINE 購買按鈕 */
.buy-button {
    display: block;
    text-align: center;
    background-color: #06c755; /* LINE 經典綠色 */
    color: white;
    text-decoration: none;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.2s;
}

.buy-button:hover {
    background-color: #05b34c;
}

/* 頁尾 */
.site-footer {
    text-align: center;
    padding: 30px;
    color: #999;
    font-size: 12px;
    margin-top: 50px;
}