/*布局样式*/
.flex-1 { display: flex; flex-direction: column; }/* 竖排左上对齐 */
.flex-2 { display: flex; flex-direction: column; align-items: center; }/* 竖排横居中顶部对齐 */
.flex-3 { display: flex; flex-direction: column; justify-content: center; }/* 竖排竖居中左对齐 */
.flex-4 { display: flex; flex-direction: column; align-items: center; justify-content: center; }/* 竖排横竖居中 */
.flex-4a { display: flex; flex-direction: column; align-items: center; justify-content:flex-end; }/* 竖排横竖居中 */
.flex-5 { display: flex; flex-direction: column; align-items: center; justify-content: space-between; }/* 竖排横居中两头对齐 */
.flex-6 { display: flex; align-items: center; }/* 横排纵轴居中左对齐 */
.flex-7 { display: flex; align-items: center; justify-content: center; }/* 横排纵轴居中并居中对齐 */
.flex-8 { display: flex; align-items: center; justify-content: space-between;}/* 横排纵轴居中分散对齐 */
.flex-9 { display: flex; justify-content: flex-start; overflow-x: auto; overflow-y: hidden; }/* 元素居左滑动 */
.flex-0 { display: flex; }/* 默认样式 横排居左下对齐 */
.flex-w { flex-wrap: wrap; }/* 自由元素拆行或拆列 */

.w100 { width: 100%; }
.con_1 { width: 1200px; margin: 0 auto; }
.box-img_1 { width: 425px; height: 170px; background-size: 100% 100%; background-repeat: no-repeat; }
.ma0a { margin: 0 auto; }
.appliance-list {
	width: 1200px;
	margin: 30px auto;
	border-radius: 30px;
	background-color: rgba(255, 255, 255, 0.9); /* 白色，50%透明度 */
}
.appliance-item {
  width: 240px;
  height: 180px;
}
.appliance-item img {
  width: 80px;
  height: 80px;
  background-color:#fff;
  border-radius: 50%;
}