* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 12px;
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.product-cover {
    width: 100%;
    background: #f8f8f8;
}

.product-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.product-body {
    padding: 16px;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #222;
    line-height: 1.5;
    margin-bottom: 10px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.tag-coupon {
    background: #fff1f1;
    color: #ff2442;
    border: 1px solid #ffd8d8;
}

.tag-promo {
    background: #fff8e1;
    color: #b78900;
    border: 1px solid #ffe082;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.product-price {
    font-size: 28px;
    font-weight: 700;
    color: #ff2442;
}

.product-original-price {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.product-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-desc p {
    margin-bottom: 6px;
}

.buy-btn {
    display: block;
    width: 100%;
    background: #ff2442;
    color: #fff;
    text-align: center;
    padding: 14px 0;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
}

.buy-btn:hover {
    background: #e01f3a;
}

.footer {
    text-align: center;
    padding: 20px 0;
    color: #bbb;
    font-size: 12px;
}