.bis {
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

//flex 布局和 子元素 对其方式
.fl {
  display: flex;
}

.fj {
  display: flex;
  justify-content: space-between;
}

.fje {
  display: flex;
  justify-content: flex-end;
}

//水平和垂直居中
.fcc {
  display: flex;
  justify-content: center;
  align-items: center;
}

// 为元素设定的宽度和高度决定了元素的边框盒。
.bb {
  box-sizing: border-box;
}

// 满屏
.fullp {
  width: 100%;
  height: 100%;
}

.shadow {
  box-shadow: 0 6px 18px 0 rgba(0, 0, 0, 0.10);
  border-radius: 8px;
}

.linear {
  background-image: linear-gradient(to right, #1bade8, #3680EB);
}

.cScreenWidth {
  width: $screenWidth;
}

.cTitle {
  font-size: $titleSize;
  font-weight: bold;
}


.cFontGray {
  color: $fontGray;
}

.cPageBottom {
  padding-bottom: $pageBottom;
}