.md17161.md-about-1{position:relative}
.md17161.md-about-1 .layout{margin-left:auto;margin-right:auto;width:14rem;max-width:92%}
.md17161.md-about-1 .h2{color:#222434}
.md17161.md-about-1 .box-1{position:relative;z-index:5}
.md17161.md-about-1 .c-pic{width:calc( 690 / 1400 * 100%)}
.md17161.md-about-1 .watch{width:1em;height:1em;position:absolute;left:calc(50% - 0.5em);top:calc(50% - 0.5em);background-color:var(--theme, #ffc000); background-color: var(--theme); border-radius:50%;box-shadow:0 0 0 0.1rem rgba(255,255,255,0.5);background-image:url(/static/home/images/a4.png);background-repeat:no-repeat;background-position:center;background-size:auto 40%;cursor:pointer;transition:0.5s}
.md17161.md-about-1 .watch:hover{box-shadow:0 0 0 0.1rem rgba(255,255,255,0.8)}
.md17161.md-about-1 .img{padding-top:calc( 388 / 690 * 100%)}
.md17161.md-about-1 .text{width:calc( 650 / 1400 * 100%);position:relative;padding-bottom:0.5rem}
.md17161.md-about-1 .content{margin-top:0.3rem;line-height:calc( 28 / 16 )}
.md17161.md-about-1 .box-2{padding-top:0.7rem;padding-bottom:0.45rem;margin-top:-0.4rem;position:relative}
.md17161.md-about-1 .nitem{width:20%;text-align:center;font-size:0}
.md17161.md-about-1 .nbox{display:inline-block;text-align:left}
.md17161.md-about-1 .n11{line-height:1}
@media screen and (min-width:901px){.md17161.md-about-1 .content{max-height:calc( 28em / 16 * 10 );overflow-y:auto}
}@media screen and (max-width:900px){.md17161.md-about-1 .c-pic{width:100%}
.md17161.md-about-1 .text{width:100%;margin-top:0.3rem}
.md17161.md-about-1 .box-2{margin-top:0}
.md17161.md-about-1 .nlist{flex-wrap:wrap}
.md17161.md-about-1 .nitem{width:49%;margin-top:0.4rem}
.md17161.md-about-1 .nbox{text-align:center}
}

.md17162.md-about-2 {
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
  position: relative;
}
.md17162.md-about-2 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 14rem;
  max-width: 92%;
}
.md17162.md-about-2 .list {
  margin-top: 0.2rem;
}
.md17162.md-about-2 .li {
  width: 33.3333333333%;
}
.md17162.md-about-2 .li:nth-child(2n-1) {
  background-color: #f8f9fc;
}
.md17162.md-about-2 .dd {
  padding: 0.55rem 0.5rem;
}
.md17162.md-about-2 .icon {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}
.md17162.md-about-2 .ic {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
}
.md17162.md-about-2 .text {
  flex-grow: 1;
  padding-left: 0.2rem;
}
.md17162.md-about-2 .title {
  color: #222434;
}
.md17162.md-about-2 .intro {
  color: #81838e;
  line-height: calc( 22 / 14);
}
@media screen and (max-width: 900px) {
  .md17162.md-about-2 .li {
    width: 100%;
  }
}

.md17163.md-about-3 {
  padding-top: 0.4rem;
  padding-bottom: 0.5rem;
  position: relative;
}
.md17163.md-about-3 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 14rem;
  max-width: 92%;
}
.md17163.md-about-3 .swiper {
  margin-top: 0.34rem;
  position: relative;
}
.md17163.md-about-3 .swiper-wrapper {
  height: auto;
}
.md17163.md-about-3 .c-pic::before {
  content: "";
  width: 100%;
  height: 50%;
  position: absolute;
  left: 0;
  bottom: 0;
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5));
  pointer-events: none;
}
.md17163.md-about-3 .img {
  padding-top: calc( 388 / 690 * 100%);
}
.md17163.md-about-3 .text {
  width: 90%;
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.25rem 0.3rem;
}
.md17163.md-about-3 .mag {
  position: absolute;
  right: 0.24rem;
  bottom: 0.2rem;
  width: 1em;
  height: 1em;
  color: #fff;
  background-image: url(/static/home/images/a3.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.md17163.md-about-3 .sbtn {
  width: 1em;
  height: 1em;
  position: absolute;
  top: calc(50% - 0.5em);
  border-radius: 50%;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  z-index: 30;
  cursor: pointer;
}
.md17163.md-about-3 .sbtn:hover {
  background-color: var(--theme, #ffc000);
}
.md17163.md-about-3 .sbtn i {
  width: 10%;
  height: 16%;
  background-size: contain;
  background-position: center;
}
.md17163.md-about-3 .prev {
  left: -0.5em;
}
.md17163.md-about-3 .prev i {
  background-image: url(/static/home/images/a1.png);
}
.md17163.md-about-3 .next {
  right: -0.5em;
}
.md17163.md-about-3 .next i {
  background-image: url(/static/home/images/a2.png);
}
.md17163.md-about-3 .bots {
  margin-top: 0.2rem;
}
.md17163.md-about-3 .swiper-scrollbar {
  flex-grow: 1;
  height: 1px;
  background-color: #e3e3e8;
  position: static;
}
.md17163.md-about-3 .swiper-scrollbar-drag {
  height: 3px;
  background-color: var(--theme, #ffc000);
  top: -1px;
}
.md17163.md-about-3 .swiper-pagination {
  width: auto;
  color: #222434;
  position: static;
  margin-left: 0.12rem;
}
.md17163.md-about-3 .spp1 {
  color: var(--theme, #ffc000);
}

.md17164.md-about-4 {
  padding-top: 0.4rem;
  padding-bottom: 1rem;
  position: relative;
  overflow: hidden;
}
.md17164.md-about-4 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 14rem;
  max-width: 92%;
}
.md17164.md-about-4 .swiper {
  position: relative;
  margin-top: 0.16rem;
}
.md17164.md-about-4 .sbtn {
  width: 1em;
  height: 1em;
  position: absolute;
  top: calc(50% - 0.5em);
  border-radius: 50%;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  z-index: 30;
  cursor: pointer;
}
.md17164.md-about-4 .sbtn:hover {
  background-color: var(--theme, #ffc000);
}
.md17164.md-about-4 .sbtn i {
  width: 10%;
  height: 16%;
  background-size: contain;
  background-position: center;
}
.md17164.md-about-4 .prev {
  left: -0.5em;
}
.md17164.md-about-4 .prev i {
  background-image: url(/static/home/images/a1.png);
}
.md17164.md-about-4 .next {
  right: -0.5em;
}
.md17164.md-about-4 .next i {
  background-image: url(/static/home/images/a2.png);
}
.md17164.md-about-4 .sw {
  padding: 2rem 0;
  text-align: center;
}
.md17164.md-about-4 .sw:hover .y-te {
  background-color: var(--theme, #ffc000);
}
.md17164.md-about-4 .sw:hover .y-te::before {
  content: "";
  border: solid 1px var(--theme, #ffc000);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  width: 110%;
  height: 110%;
}
.md17164.md-about-4 .line {
  height: 2px;
  background-color: #313b8d;
  opacity: 0.1;
}
.md17164.md-about-4 .year {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.md17164.md-about-4 .y-te {
  width: 0.85rem;
  height: 0.85rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  border-radius: 50%;
  position: relative;
  transition: 0.5s;
}
.md17164.md-about-4 .y-line {
  width: 2px;
  height: 0.3rem;
  background-color: #313b8d;
  opacity: 0.1;
}
.md17164.md-about-4 .txt {
  max-height: 6em;
  overflow-y: auto;
  padding: 0 0.1rem;
}
.md17164.md-about-4 .year {
  position: absolute;
  left: 0;
  width: 100%;
}
.md17164.md-about-4 .sw:nth-child(2n-1) .bte {
  position: absolute;
  left: 0;
  top: calc(50% + 0.25rem);
  width: 100%;
}
.md17164.md-about-4 .sw:nth-child(2n-1) .year {
  bottom: 50%;
}
.md17164.md-about-4 .sw:nth-child(2n) .bte {
  position: absolute;
  left: 0;
  bottom: calc(50% + 0.25rem);
  width: 100%;
}
.md17164.md-about-4 .sw:nth-child(2n) .year {
  top: 50%;
  flex-direction: column-reverse;
}