@charset "UTF-8";
/* 文字为主 */
/** 混合指令 **/
/* 带图片、标题的模块样式 */
body {
  background-color: #F7F7F7;
}

.banner > img {
  display: block;
  width: 100%;
}

p {
  color: #666;
  font-size: 14px;
  line-height: 24px;
  font-weight: 400;
}

.section {
  padding-top: 80px;
}

.mt20 {
  margin-left: 20px;
}

.swiper-container {
  padding-bottom: 80px;
  max-width: 1200px;
  height: 750px;
  margin: 0 auto;
}

#swiper {
  padding-top: 40px;
}
#swiper .swiper-slide {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-column-gap: 20px;
     -moz-column-gap: 20px;
          column-gap: 20px;
  row-gap: 20px;
}
#swiper .swiper-slide .wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: calc(25% - 15px);
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
#swiper .swiper-slide .wrap > img {
  width: 100%;
  height: 213px;
  display: block;
}
#swiper .swiper-slide .wrap > .txt {
  padding: 20px 20px 10px;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  font-size: 16px;
  color: #333;
  line-height: 24px;
  background-color: #fff;
}

.swiper-container-horizontal > .swiper-pagination-bullets {
  bottom: 27px;
}

.swiper-pagination-bullet {
  width: 32px;
  height: 6px;
  background-color: #B3B3B3;
  border-radius: 0;
}

.swiper-pagination-bullet-active {
  background-color: #345AFF;
}

.swiper-btn-prev, .swiper-btn-next {
  position: absolute;
  bottom: 10px;
  left: 50%;
  width: 120px;
  height: 40px;
  border: 2px solid #B3B3B3;
  border-radius: 20px;
  -webkit-transition: 0.2s;
  transition: 0.2s;
  cursor: pointer;
}

.swiper-btn-prev.disable, .swiper-btn-next.disable {
  opacity: 0.5;
  cursor: not-allowed;
}

.swiper-btn-prev::before, .swiper-btn-next::before {
  position: absolute;
  content: "";
  width: 60px;
  height: 2px;
  background-color: #B3B3B3;
  left: 30px;
  top: 19px;
  cursor: pointer;
}

.swiper-btn-prev::after, .swiper-btn-next::after {
  position: absolute;
  content: "";
  top: 15px;
  border: 5px solid #B3B3B3;
  cursor: pointer;
}

.swiper-btn-prev::after {
  left: 27px;
  border-top-color: transparent;
  border-right-color: transparent;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.swiper-btn-next::after {
  right: 23px;
  border-bottom-color: transparent;
  border-left-color: transparent;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.swiper-btn-prev {
  -webkit-transform: translateX(-261px);
          transform: translateX(-261px);
}

.swiper-btn-next {
  -webkit-transform: translateX(139px);
          transform: translateX(139px);
}

#histories {
  padding-bottom: 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
#histories > div {
  max-width: 42%;
}
#histories > div .wrap {
  margin-top: 50px;
}
#histories ul {
  margin-top: 60px;
}
#histories ul li {
  position: relative;
  padding-left: 15px;
  font-size: 16px;
  color: #333;
  line-height: 24px;
  margin-bottom: 10px;
}
#histories ul li::before {
  position: absolute;
  content: "";
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #666;
}

.year {
  position: relative;
  font-size: 30px;
  color: #000;
  font-weight: bold;
}
.year::after {
  content: "";
  position: absolute;
  left: 0;
  top: 60px;
  width: 40px;
  height: 2px;
  background-color: #b3b3b3;
}