@charset "utf-8";

body,
html {
  background: #fff;
  padding: 0;
  margin: 0;
  overflow-x: hidden;
  font-family: "Regular";
}

@font-face {
  font-family: "Regular";
  src: url("../css/AlibabaPuHuiTi-2-55-Regular.ttf") format("truetype");
}

@font-face {
  font-family: "Heavy";
  src: url("../css/AlibabaPuHuiTi-2-105-Heavy.ttf") format("truetype");
}

.mainwidth {
  width: 1280px;
  margin: 0 auto;
}

.banner {
  background: url("../images/banner.png") top center no-repeat;
  height: 7.1rem;
  position: relative;
  z-index: 10;
}

.banner>.logo {
  height: 1.40rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner>.text-img {
  height: 0.65rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner>h1 {
  font-size: 0.65rem;
  color: #fff;
  /* font-family: "Alibaba-PuHuiTi-Regular"; */
  text-align: center;
  text-shadow: 4px 4px 8px #727272;
  font-weight: bold;
  margin: 0rem 0rem 0.1rem 0rem;
  font-family: "Microsoft Yahei", Arial, sans-serif;
}

.banner>h3 {
  font-size: 0.18rem;
  color: #fff;
  text-align: center;
  font-family: "Alibaba-PuHuiTi-Regular";
  text-shadow: 4px 4px 8px #727272;
}

.topic-description {
  padding: 0.3rem 1rem;
  background-image: linear-gradient(to right, #408cd1, #32c3d5, #39b931);
  border-radius: 10px;
  color: #fff;
  text-indent: 2em;
  line-height: 0.22rem;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -640px;
  box-sizing: border-box;
}

.banner-whitebg {
  position: absolute;
  background: #fff;
  z-index: 1;
  height: 7.1rem;
  left: 50%;
  margin-left: -6.4rem;
  top: 0;
}

.index-pubilic {
  position: relative;
}

.index-pubilic .timg {
  position: relative;
  z-index: 1;
  padding-top: 0.45rem;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;

}

.index-pubilic .dsrc {
  position: relative;
  text-indent: 2em;
  line-height: 0.22rem;
  z-index: 1;
  padding: 0.15rem 1rem 0.3rem 1rem;
  box-sizing: border-box;
  color: #787572;
}

.index-pubilic .bg {
  position: absolute;
  width: 10.76rem;
  height: 2.32rem;
  top: 0;
  z-index: 0;
  width: 100%;
  text-align: center;
}

.engineerbg {
  height: 6rem;
  background: url("../images/engineerbg.png");
}

.engineer-main {
  padding: 0.3rem 0rem;
  box-sizing: border-box;
  display: flex;
}

.engineer-swiper {
  flex: 1;
  background: #fff;
  border-radius: 10px;
  width: 7.56rem;
  height: 5.4rem;
  padding: 0.18rem;
  box-sizing: border-box;
  position: relative;
}

.engineer-dscr {
  width: 5rem;
  padding: 0rem 0.4rem;
}

.engineer-dscr h2 {
  font-size: 0.3rem;
  font-family: "Heavy";
  text-align: left;
  margin: 0.2rem 0rem;
}

.engineer-dscr p {
  color: #434343;
  font-size: 0.16rem;
  line-height: 0.25rem;
  text-indent: 2em;
  text-align: justify;
  margin-top: 0.1rem;
}

.engineer {
  margin-top: 0.8rem;
}

.master-apprentice {
  margin-top: 0.6rem;
}

.piclist1 {
  display: flex;
  justify-content: space-between;
}

.piclist1 li .img {
  width: 3rem;
  height: 4.5rem;
  margin-bottom: 0.18rem;
  position: relative;
  overflow: hidden;
}

.piclist1 li .img img {
  width: 100%;
  height: 100%;
  border-radius: 5px;
  cursor: pointer;
}

.piclist1 li .img:hover .text {
  bottom: 0;
}

.piclist1 li .img .text {
  position: absolute;
  transition-duration: 0.2s;
  cursor: pointer;
  width: 100%;
  bottom: -2rem;
  height: 2rem;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.8))
}

.piclist1 li .img .text p {
  text-align: center;
  color: #fff;
  font-size: 0.23rem;
  font-weight: bold;
  line-height: 0.25rem;
  position: absolute;
  bottom: 0.3rem;
  width: 100%;
}

.piclist1 li p {
  font-size: 0.16rem;
  line-height: 0.25rem;
}

.piclist1 li a>.t1 {
  color: #000;
  font-family: "Heavy";
  font-weight: bold;
}

.piclist1 li a>.t2 {
  color: #adadad;
  font-weight: normal;
  text-indent: 0em;
}

.piclist2 {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;

}

.piclist2 li {
  margin-top: 0.32rem;
}

.piclist2 li .img {
  width: 1.95rem;
  height: 1.3rem;
  margin-bottom: 0.18rem;
  position: relative;
  overflow: hidden;
}

.piclist2 li .img img {
  width: 100%;
  height: 100%;
  border-radius: 5px;
  cursor: pointer;
}

.piclist2 li .img:hover .text {
  bottom: 0;
}

.piclist2 li .img .text {
  position: absolute;
  transition-duration: 0.2s;
  cursor: pointer;
  width: 100%;
  bottom: -2rem;
  height: 60%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.8))
}

.piclist2 li .img .text p {
  text-align: center;
  color: #fff;
  font-size: 0.16rem;
  line-height: 0.2rem;
  position: absolute;
  bottom: 0.1rem;
  width: 100%;
  font-weight: normal;
}

.piclist2 li p {
  font-size: 0.16rem;
  line-height: 0.25rem;
}

.piclist2 li a>.t1 {
  color: #000;
  font-family: "Heavy";
  font-weight: bold;
}

.piclist2 li a>.t2 {
  color: #adadad;
  font-weight: normal;
  text-indent: 0em;
}

/* swiper视频 */
.swiper {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide .video-content {
  position: relative;
  width: 100%;
  height: 100%;
}


.swiper-slide .video-content video {
  width: 100%;
  height: 100%;
  border-radius: 5px;
}

.swiper-slide .video-content .butn {
  position: absolute;
  width: 0.64rem;
  height: 0.64rem;
  top: 50%;
  left: 50%;
  margin-top: -0.32rem;
  margin-left: -0.32rem;
  z-index: 11;
  opacity: 0.5;
  transition-property: opacity;
  transition-duration: 1s;
  cursor: pointer;
}

.swiper-slide .video-content .butn:hover {
  opacity: 1;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper {
  width: 100%;
  height: 300px;
  margin-left: auto;
  margin-right: auto;
}

.swiper-slide {
  background-size: cover;
  background-position: center;
}

.mySwiper2 {
  height: 83%;
  width: 100%;
}



.mySwiper2 img {
  border-radius: 5px;
}

.floatbtn {
  position: absolute;
  top: 90%;
  width: 100%;
  left: 0;
}

.floatbtn>.swiper-button-next {
  color: #dcb45f;
  font-weight: bold;
}

.floatbtn>.swiper-button-prev {
  color: #dcb45f;
  font-weight: bold;
}



.mySwiper {
  height: 15%;
  width: 90%;
  margin-top: 2%;
  box-sizing: border-box;
  padding: 10px 0;
}

.mySwiper .swiper-slide {
  width: 25%;
  height: 100%;
  opacity: 1;
}

.mySwiper .swiper-slide img {
  border: #fff solid 5px;
  border-radius: 8px;
  cursor: pointer;
}

.mySwiper .swiper-slide-thumb-active {
  opacity: 1;
}

.mySwiper .swiper-slide-thumb-active img {
  border: #e5e5e5 solid 5px;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mySwiper3 {
  height: 100%;
}



.visual-theory {
  width: 100%;
  height: 7.36rem;
  margin: 1rem 0rem;
  background: url("../images/visual-theorybg.png") no-repeat;
  background-size: cover;
}

.visualpic {
  position: relative;
}


.whiteline {
  width: 100%;
  height: 2px;
  background: #fff;
  position: absolute;
  bottom: 0.17rem;
}

.visualpic-blockimg {
  width: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: left;
  text-align: left;
}

.visualpic-blockimg img {
  height: 1.7rem;
  border-radius: 5px;
}

.visualpic-blockimg h2 {
  font-size: 0.22rem;
  color: #000;
  font-weight: bold;
  font-family: "Heavy";
  margin: 0.15rem 0rem 0.05rem 0rem;
}

.visualpic-blockimg p {
  font-size: 0.16rem;
  color: #000;
}


.ssbtn {
  width: 13.8rem;
  top: 25%;
  left: -0.5rem;
  position: absolute;
}


.ssbtn>.swiper-button-next4,
.ssbtn>.swiper-button-prev4 {
  color: #dcb45f;
  font-weight: bold;
}

.swiper-button-next4 {
  position: absolute;
  right: 0;
}

.swiper-button-next4 span {
  font-size: 0.5rem;
  cursor: pointer;
}


.swiper-button-prev4 {
  position: absolute;
  left: 0;
}

.swiper-button-prev4 span {
  font-size: 0.5rem;
  cursor: pointer;
}

.mySwiper4 {
  height: 3rem;
}

.mySwiper4>.swiper-pagination {
  height: 0.2rem;
}

.mySwiper4>.swiper-pagination>.swiper-pagination-bullet {
  width: 18%;
  border-radius: 5px;
  height: 10px;
  background: #edc673 !important;
  opacity: 1 !important;
}


.mySwiper4>.swiper-pagination>.swiper-pagination-bullet-active {
  background: #c59c46 !important;

}

.visual-theory>.index-pubilic {
  padding-top: 50px;
}

.bottom {
  height: 0.9rem;
  text-align: center;
  line-height: 0.9rem;
  color: #5d8fc7;
  background: #004898;
  margin-top: 0.5rem;
}

.bottom span {
  margin: 0rem 0.1rem;
}



/* 频道 */

.bodypdbg {
  background: #f7f7f7;
}

.pdbg {
  background: #fff;
  padding: 0rem 1.25rem 0.4rem 1.25rem;
  box-sizing: border-box;
}

.pdtitle1 {
  border-bottom: #f2f2f2 solid 3px;
  text-align: center;
}

.pdtitle1 .img {
  position: relative;
  bottom: -20px;
}

.pdtitle2 {
  font-size: 0.45rem;
  font-family: "Heavy";
  color: #000;
  text-align: center;
  margin: 0.75rem 0rem 0.35rem 0rem;
}

.pdmain>.content>.TRS_Editor p,
.pdmain>.content>.TRS_Editor span,
.pdmain>.content>.TRS_Editor div {
  font-size: 18px;
  line-height: 40px;
  margin: 0.3rem 0;
  font-family: "Microsoft YaHei";

}

.pdmain>.content>.TRS_Editor img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}



.pdmain>.content>.pdvideo {
  text-align: center;
  width: 8.1rem;
  height: 4.56rem;
  margin: 0.2rem auto;
  position: relative;
}

.pdmain>.content>.pdvideo video {
  width: 8.1rem;
  height: 4.56rem;
  border-radius: 5px;
}

.pdmain>.content>.pdvideo>.pdbutn {
  position: absolute;
  bottom: 0.2rem;
  right: 0.2rem;
  cursor: pointer;
  width: 0.45rem;
  height: 0.45rem;
  z-index: 10;

}