/* 关于我们-简介 */
.md21609.md-about_us{width: 100%;padding: .95rem 0 .2rem; background-color: #f7f7f7;}
.md21609.md-about_us img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21609.md-about_us .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21609.md-about_us .k-top{width: 100%;padding-bottom: .5rem;display: flex;flex-wrap: wrap;justify-content: space-between;}
.md21609.md-about_us .k-left{position: relative;width: calc(100% - 8rem - 1.1rem);margin-bottom: .5rem;}
.md21609.md-about_us .k-en{width: 100%;margin-bottom: .28rem;color: var(--theme);font-size: 1.2rem;line-height: .86rem;font-weight: bold;}
.md21609.md-about_us .k-en2{width: 100%;margin-bottom: .28rem;padding-left: 1rem;color: var(--theme);font-size: 1.2rem;line-height: .86rem;font-weight: bold;}
.md21609.md-about_us .k-year{width: 100%;margin-bottom: .28rem;padding-left: .7rem;color: var(--active);font-size: 1.2rem;line-height: .86rem;font-weight: bold;}
.md21609.md-about_us .k-logo{position: absolute;bottom: 0;left: -1.6rem;width: 8.5rem;}
.md21609.md-about_us .k-logo img{width: 100%;}
.md21609.md-about_us .k-right{width: 8rem;margin-bottom: .4rem;position: relative;z-index: 8;}
.md21609.md-about_us .k-titles{width: 100%;padding-bottom: .15rem;margin-bottom: .3rem;position: relative;color: #111111;font-weight: bold;line-height: 1.25;}
.md21609.md-about_us .k-titles:after{content: '';position: absolute;bottom: 0;left: 0;width: .4rem;height: .03rem;background-color: var(--active);}
.md21609.md-about_us .k-textbox{width: 100%;color: #666666;line-height: 1.75;}
.md21609.md-about_us .k-textbox *{line-height: inherit;}
.md21609.md-about_us .k-textbox P{margin-bottom: .1rem;}

.md21609.md-about_us .k-bottom{width: 100%;display: flex;flex-wrap: wrap;}
.md21609.md-about_us .k-item{display: block;width: 30%;margin-right: 5%;padding: .35rem 0 .7rem;border-top: 1px solid rgba(0,0,0,.1);}
.md21609.md-about_us .k-item:nth-child(3n){margin-right: 0;}
.md21609.md-about_us .k-box{width: 100%;font-size: 0;}
.md21609.md-about_us .k-nub{display: inline-block;vertical-align: middle;color: var(--theme);font-weight: bold;line-height: 1;}
.md21609.md-about_us .k-unit{display: inline-block;vertical-align: middle;color: var(--theme);font-weight: bold;line-height: 1;}
.md21609.md-about_us .k-unit2{display: inline-block;vertical-align: top;color: var(--theme);font-weight: bold;line-height: 1;}
.md21609.md-about_us .k-intro{width: 100%;padding-top: .25rem;color: #111111;line-height: 1.5;}

@media (max-width: 750px) {
  .md21609.md-about_us .k-left{width: 100%;}
  .md21609.md-about_us .k-logo{position: relative;left: 0;padding-top: .3rem;width: 100%;}
  .md21609.md-about_us .k-right{width: 100%;}
  .md21609.md-about_us .k-item{width: calc(50% - .15rem);margin-right: .3rem;}
  .md21609.md-about_us .k-item:nth-child(3n){margin-right: .3rem;}
  .md21609.md-about_us .k-item:nth-child(2n){margin-right: 0;}
}

/* 关于我们-视频 */
.md21610.md-about_us_video{width: 100%;background-color: #f7f7f7;}
.md21610.md-about_us_video img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21610.md-about_us_video .l-video{display: block;cursor: pointer;width: 100%;position: relative;}
.md21610.md-about_us_video .l-img{width: 100%;}
.md21610.md-about_us_video .l-img img{width: 100%;}
.md21610.md-about_us_video .l-play{position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);}
.md21610.md-about_us_video .l-play img{width: 1.6rem;}

/* 关于我们-发展历程 */
.md21611.md-history{width: 100%;min-height: 8.5rem;padding: 1rem 0;background-color: #000;background-size: cover;background-position: center center;background-repeat: no-repeat;}
.md21611.md-history img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21611.md-history .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21611.md-history .my-top{width: 100%;padding-bottom: .95rem;text-align: center;}
.md21611.md-history .my-titles{width: 100%;color: #fff;font-weight: bold;line-height: 1.25;}
.md21611.md-history .j-cont{width: 100%;position: relative;}
.md21611.md-history .j-swiper{width: 100%;}
.md21611.md-history .j-item{transition: all  .3s; width: 25%;height: auto;}
.md21611.md-history .j-box{position: relative;width: 100%;padding: 0 .35rem .3rem;min-height: 2.6rem;}
.md21611.md-history .j-box:before{content: '';position: absolute;top: 0;left: .05rem;width: 1px;height: 100%;border-left: 1px dashed rgba(255,255,255,.4);}
.md21611.md-history .j-box:after{content: '';position: absolute;top: 0;left: .05rem;width: 1px;width: 3px;height: .36rem;background-color: #fafafa;}
.md21611.md-history .j-circle{position: absolute;bottom: 0;left: 0;width: .1rem;height: .1rem;border-radius: 50%;background-color: #fafafa;}
.md21611.md-history .j-year{width: 100%;margin-bottom: .3rem;color: #ffffff;font-weight: bold;line-height: 1;}
.md21611.md-history .j-textbox{width: 100%;color: #ffffff;line-height: 2;}
.md21611.md-history .j-textbox *{line-height: inherit;}
.md21611.md-history .j-textbox p{position: relative;padding-left: calc(5px + .1rem);}
.md21611.md-history .j-textbox p:after{content: '';position: absolute;top: 1em;left: 0;margin-top: -2.5px;width: 5px;height: 5px;border-radius: 50%;background-color: #fff;}
.md21611.md-history .j-prev{transition: all  .3s; top: 2.1rem;margin-top: 0;left: -1.1rem;width: .5rem;height: .5rem;border-radius: 50%;border: solid 1px rgba(255,255,255,.2);background-image: url('../images/a16.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21611.md-history .j-prev:hover{background-image: url('../images/a16-b.png');background-color: #ffffff;}
.md21611.md-history .j-next{transform: rotate(-180deg);transition: all  .3s; top: 2.1rem;margin-top: 0;right: -1.1rem;width: .5rem;height: .5rem;border-radius: 50%;border: solid 1px rgba(255,255,255,.2);background-image: url('../images/a16.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21611.md-history .j-next:hover{background-image: url('../images/a16-b.png');background-color: #ffffff;}

@media (min-width: 900px) {
 .md21611.md-history .j-item.swiper-slide-active{padding-top: 2.4rem;}
 .md21611.md-history .j-item.swiper-slide-active .j-box{min-height: 2.3rem;}
 .md21611.md-history .j-item.swiper-slide-active + .j-item{padding-top: 1.6rem;}
 .md21611.md-history .j-item.swiper-slide-active + .j-item .j-box{min-height: 2.4rem;}
 .md21611.md-history .j-item.swiper-slide-active + .j-item  + .j-item{padding-top: .8rem;}
 .md21611.md-history .j-item.swiper-slide-active + .j-item  + .j-item .j-box{min-height: 3.3rem;}
}
@media (max-width: 900px) {
  .md21611.md-history .j-cont{padding-bottom: .8rem;}
  .md21611.md-history .j-item{width: 80%;max-width: 5rem;}
  .md21611.md-history .j-box{height: 100%;}
  .md21611.md-history .j-prev{top: auto;bottom: 0;left: calc(50% - .8rem);}
  .md21611.md-history .j-next{top: auto;bottom: 0;right: calc(50% - .8rem);}
}