body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 40px;
    gap: 30px;
}

.search_window {
    width: 500px;
    background-color: rgb(245, 245, 245);
    text-align: center;
    border: 3px solid #333;
    border-radius: 12px;
    padding: 30px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* 查询方式按钮 - 默认样式 */
.search_method {
    margin-left: 20px;
    padding: 6px 16px;
    border: 2px solid #333;
    border-radius: 6px;
    background: #fff;
    color: #000;
    cursor: pointer;
    transition: 0.3s;
}

/* 选中后长久保留的样式 */
.search_method.btn-active {
    background: cornflowerblue;
    color: #fff;
    border-color: cornflowerblue;
}

.search_method:hover {
    transform: scale(1.1);
}

.search_input {
    margin-top: 20px;
    width: 280px;
    height: 35px;
    border-radius: 6px;
    border: 2px solid #333;
    padding: 0 10px;
    font-size: 14px;
}

.search_button {
    margin: 25px;
    padding: 10px 30px;
    border: 2px solid #333;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    transition: 0.3s;
    font-size: 15px;
}

.search_button:hover {
    transform: scale(1.1);
    background-color: cornflowerblue;
    color: #fff;
    border-color: cornflowerblue;
}

.search_button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 错误提示 */
.error_msg {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 10px;
    padding: 8px;
    background-color: #fdf0ef;
    border-radius: 4px;
}

/* ============================================ */
/* 卡密显示盒子 */
/* ============================================ */
.card_result {
    width: 600px;
    background-color: #fff;
    border: 3px solid #333;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.card_result h3 {
    text-align: center;
    margin: 0 0 20px 0;
    color: #2c3e50;
    font-size: 20px;
}

/* 单个卡密卡片 */
.card_item {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.card_item:last-child {
    margin-bottom: 0;
}

/* 订单信息头部 */
.card_order_info {
    background: linear-gradient(to right, #83cbff, #df56ec);
    color: #fff;
    padding: 12px 15px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card_product {
    font-size: 16px;
    font-weight: bold;
}

.card_order_no, .card_time {
    font-size: 12px;
    opacity: 0.9;
}

/* 卡密详情 */
.card_detail {
    padding: 15px;
    background-color: #fafafa;
}

.card_row {
    display: flex;
    padding: 6px 0;
    border-bottom: 1px dashed #eee;
    font-size: 14px;
}

.card_row:last-child {
    border-bottom: none;
}

.card_label {
    width: 100px;
    color: #666;
    flex-shrink: 0;
}

.card_value {
    color: #2c3e50;
    word-break: break-all;
    font-weight: 500;
}

/* 温馨提示 */
.card_tip {
    background-color: #fff8e1;
    color: #f57c00;
    padding: 10px 15px;
    font-size: 12px;
    border-top: 1px solid #ffe082;
}

/* 订单状态标签 */
.card_status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    margin-top: 4px;
}
.status-pending {
    background-color: #fff3cd;
    color: #856404;
}
.status-shipped {
    background-color: #d4edda;
    color: #155724;
}
.status-closed {
    background-color: #f8d7da;
    color: #721c24;
}

/* 待付款订单详情 */
.pending-detail {
    text-align: center;
    padding: 25px 15px;
}
.pending-tip {
    color: #856404;
    font-size: 14px;
    margin: 0 0 15px 0;
}
.pending-amount {
    font-size: 15px;
    color: #555;
    margin: 0 0 20px 0;
}
.pay-now-btn {
    padding: 10px 30px;
    background: #1677ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: 0.3s;
}
.pay-now-btn:hover {
    background: #4096ff;
    transform: scale(1.05);
}

/* 已关闭订单详情 */
.closed-detail {
    text-align: center;
    padding: 20px 15px;
}
.closed-tip {
    color: #721c24;
    font-size: 14px;
    margin: 0;
}

/* 手机响应式 */
@media(max-width: 650px) {
    .search_window {
        width: 90%;
    }
    .search_input {
        width: 85%;
    }
    .card_result {
        width: 90%;
    }
    .card_label {
        width: 80px;
    }
}