* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background-color: #f5f5f5;
    padding: 10px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.title {
    font-size: 22px;
    color: #333;
    margin-bottom: 5px;
}

.subtitle {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.discount-tag {
    background-color: #ff4444;
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    display: inline-block;
    font-size: 12px;
}

/* 配送地址面板样式 */
.address-panel {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.address-input, .distance-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
    font-size: 14px;
}

.distance-tip {
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

/* 商品列表样式 */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.menu-card {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.menu-card.selected {
    border-color: #ff4444;
    box-shadow: 0 0 10px rgba(255,68,68,0.2);
}

.card-img img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.card-content {
    padding: 10px;
}

.card-title {
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
}

.card-desc {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-price {
    font-size: 15px;
    color: #ff4444;
    font-weight: bold;
}

/* 配送费面板样式 */
.reward-panel {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.panel-title {
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
    font-weight: bold;
}

.reward-tip {
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
}

.reward-amounts {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.reward-btn {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

.reward-btn.active {
    background-color: #ff4444;
    color: #fff;
    border-color: #ff4444;
}

.custom-reward {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
}

.selected-reward {
    font-size: 14px;
    color: #333;
}

/* 购物车面板样式 */
.cart-panel {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
}

.cart-list {
    margin-bottom: 15px;
}

.empty-tip {
    font-size: 14px;
    color: #999;
    text-align: center;
    padding: 10px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
}

.item-name {
    font-size: 14px;
    color: #333;
}

.item-price {
    font-size: 14px;
    color: #ff4444;
}

.goods-total {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-weight: bold;
    font-size: 14px;
    margin-top: 5px;
}

.discount-info {
    text-align: right;
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.cart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-price {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.order-btn {
    padding: 10px 20px;
    background-color: #ff4444;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.order-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}