��看销售单的详细信息</p>
                    </div>
                    <div class="d-flex flex-wrap gap-2">
                        <a href="{% url 'sale_list' %}" class="btn btn-secondary">
                            <i class="bi bi-arrow-left me-1"></i> 返回列表
                        </a>
                        <button class="btn btn-outline-primary print-button">
                            <i class="bi bi-printer me-1"></i> 打印
                        </button>
            