/* ********************************* 通用flex布局 ********************************* */
/* flex容器样式，子元素横向排列，垂直方向居中，水平方向子元素space-between */
.flex-row-sb {
  display: flex;
  justify-content: space-between;
  align-items: center; }

/* flex容器样式，子元素横向排列，垂直方向居中，水平方向子元素space-around */
.flex-row-sa {
  display: flex;
  justify-content: space-around;
  align-items: center; }

/* flex容器样式，子元素横向排列，垂直方向居中，水平方向子元素聚中靠拢 */
.flex-row-center {
  display: flex;
  justify-content: center;
  align-items: center; }

/* flex容器样式，子元素横向排列，垂直方向居中，水平方向子元素聚左靠拢 */
.flex-row-left {
  display: flex;
  justify-content: flex-start;
  align-items: center; }

/* flex容器样式，子元素横向排列，垂直方向居中，水平方向子元素聚右靠拢 */
.flex-row-right {
  display: flex;
  justify-content: flex-end;
  align-items: center; }

/* flex容器样式，子元素纵向排列，水平方向居中，垂直方向子元素space-between */
.flex-column-sb {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center; }

/* flex容器样式，子元素纵向排列，水平方向居中，垂直方向子元素space-around */
.flex-column-sa {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center; }

/* flex容器样式，子元素纵向排列，水平方向居中，垂直方向子元素聚中靠拢 */
.flex-column-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; }

/* flex容器样式，子元素纵向排列，水平方向居中，垂直方向子元素聚上靠拢 */
.flex-column-top {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center; }

/* flex容器样式，子元素纵向排列，水平方向居中，垂直方向子元素聚下靠拢 */
.flex-column-bottom {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center; }

.flex-block {
  flex-shrink: 0;
  flex-grow: 0; }

.flex-auto {
  flex-shrink: 1;
  flex-grow: 1; }

.flex-wrap {
  flex-wrap: wrap; }

.flex-align-start {
  align-items: flex-start; }

.flex-align-end {
  align-items: flex-end; }

/* ********************* 图片裁切（搭配flex系列样式食用更佳） ********************* */
/* 图片宽度铺满 */
.fimg {
  overflow: hidden; }
  .fimg > img {
    width: 100%; }

/* 图片高度铺满 */
.fimg_d {
  overflow: hidden; }
  .fimg_d > img {
    height: 100%; }

/* ********************************* 图片背景通用样式 ********************************* */
.back-row-c {
  background-position: center;
  background-size: 100% auto;
  background-repeat: no-repeat; }

.back-column-c {
  background-position: center;
  background-size: auto 100%;
  background-repeat: no-repeat; }

.background-cross {
  background: -ms-linear-gradient(left, #409EFF, #45aaf2); }

.background-ltd {
  background-color: #409EFF;
  background-image: linear-gradient(#409EFF, #45aaf2); }

/* ********************************* 通用行数限制 ********************************* */
.text-of-1 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 1;
  word-break: break-all;
  display: -webkit-box;
  -webkit-box-orient: vertical; }

.text-of-2 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  word-break: break-all;
  display: -webkit-box;
  -webkit-box-orient: vertical; }

.text-of-3 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 3;
  word-break: break-all;
  display: -webkit-box;
  -webkit-box-orient: vertical; }

.text-of-4 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 4;
  word-break: break-all;
  display: -webkit-box;
  -webkit-box-orient: vertical; }

.text-of-5 {
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 5;
  word-break: break-all;
  display: -webkit-box;
  -webkit-box-orient: vertical; }

/* 编辑滚动条风格 */
.scroll-theme::-webkit-scrollbar {
  width: 8px;
  height: 8px; }

.scroll-theme::-webkit-scrollbar-track {
  border-radius: 2px; }

.scroll-theme::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 10px; }

.scroll-theme::-webkit-scrollbar-thumb:hover {
  background: #777; }

.scroll-theme::-webkit-scrollbar-corner {
  background: #000; }

::-webkit-scrollbar {
  width: 8px;
  height: 4px; }

::-webkit-scrollbar-thumb {
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.4); }

::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 0;
  background: rgba(0, 0, 0, 0.2); }

/* ********************************* 全局通用样式 ********************************* */
.link {
  transition: all 0.3s ease;
  cursor: pointer; }
  .link:hover {
    color: #409EFF; }

.link-primary {
  cursor: pointer;
  transition: all 0.3s ease;
  color: #409EFF; }
  .link-primary:hover {
    color: #a6d2ff; }

/* 手型 */
.pointer {
  cursor: pointer; }

/* 隐藏类 */
.hide {
  display: none; }

/* 完全平铺 */
.abs-full {
  position: absolute;
  top: 0px;
  right: 0px;
  bottom: 0px;
  left: 0px; }

/* 文本 */
.text-center {
  text-align: center; }

/* 透明度 */
.opacity-limit {
  opacity: 0; }

/* 定位 */
.relative {
  position: relative; }

.absolute {
  position: relative; }

.z-index-999 {
  z-index: 999; }

/* 裁剪 */
.of-hidden {
  overflow: hidden; }

.disabled {
  pointer-events: none;
  cursor: default;
  opacity: 0.3; }

/* ********************************* 文字大小 ********************************* */
.text-sm {
  font-size: 12px !important; }

.text-md {
  font-size: 14px !important; }

.text-lg {
  font-size: 16px !important; }

/* ********************************* 全局动画 ********************************* */
@-webkit-keyframes rotate {
  0% {
    transform: rotate(0deg); }
  50% {
    transform: rotate(200deg); }
  100% {
    transform: rotate(360deg); } }
@keyframes rotate {
  0% {
    transform: rotate(0deg); }
  50% {
    transform: rotate(200deg); }
  100% {
    transform: rotate(360deg); } }

.rotate {
  transition: 0.5s;
  transform-origin: 50% 50%;
  -webkit-animation: rotate 1s linear infinite;
          animation: rotate 1s linear infinite; }


.activated_btn{
	color: #f4bc16;
}

.engineering-case .product-content{
	display:none;
}

.engineering-case .product-content.activateds{
	display:block;
}