.main-banner .item {
  min-height: 100vh;
  position: relative;
  padding-top: 200px;
  padding-bottom: 200px;
}

.main-banner .item .item__bg {
  position: absolute;
  top: 0;
  left: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100%;
  width: 100%;
  z-index: 1;
}

.main-banner .item .item__txt {
  z-index: 2;
  position: relative;
  opacity: 0;
  -webkit-transform: translateY(50px);
          transform: translateY(50px);
}

.main-banner .item .item__txt01 {
  font-size: 20px;
  line-height: 1em;
  font-weight: 500;
  color: #c9c9c9;
  line-height: 1em;
  margin-bottom: 30px;
}

.main-banner .item .item__txt02 {
  font-size: 65px;
  color: #fff;
  line-height: 1.3em;
  font-weight: 600;
}

.main-banner .item .view_more {
  display: inline-flex;
  align-items: center;
  margin-top: 50px;
}

.main-banner .item .view_more p {
  font-size: 18px;
  font-weight: 500;
  color: #fff;
}

.main-banner .item .view_more .imgs {
  position: relative;
} 

.main-banner .item .view_more .imgs img {
  position: absolute;
  top: -20px;
  left: 15px;
  transition: all 0.2s;
}

.main-banner .item .view_more:hover .imgs img.base {
  opacity: 0;
}

.main-banner .item .view_more .imgs img.hover {
  opacity: 0;
}

.main-banner .item .view_more:hover .imgs img.hover {
  opacity: 1;
}

.main-banner .item.active .item__bg {
  -webkit-transform: scale(1.1);
          transform: scale(1.1);
  -webkit-transition: all linear 5s;
  transition: all linear 5s;
}

.main-banner .item.active .item__txt {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
  -webkit-transition: all ease 1.2s;
  transition: all ease 1.2s;
}

.main-banner .slick-nav {
  width: 1280px;
  position: absolute;
  top: 650px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  z-index: 2;
}

.main-banner .slick-nav .slick-nav__dots {
  margin-right: 32px;
}

.main-banner .slick-nav .slick-nav__dots button:not(:last-child) {
  margin-right: 20px;
}

.main-banner .slick-nav .slick-nav__dots .circle__dot {
  border: 1px solid #fff;
}

.main-banner .slick-nav .slick-nav__prev {
  background-image: url(/image//main/mb_prev.png);
  background-repeat: no-repeat;
  background-size: cover;
  width: 10px;
  height: 17px;
  font-size: 0;
}

.main-banner .slick-nav .slick-nav__next {
  background-image: url(/image//main/mb_next.png);
  background-repeat: no-repeat;
  background-size: cover;
  width: 10px;
  height: 17px;
  font-size: 0;
}

.main-banner .slick-nav .slick-nav__pause {
  background-image: url(/image//main/mb_pause.png);
  background-repeat: no-repeat;
  background-size: cover;
  width: 12px;
  height: 15px;
  font-size: 0;
  margin: 0 15px;
}

.main-banner .slick-nav .slick-nav__pause.paused {
  background-image: url(/image//main/mb_play.png);
}

.main-banner .main-banner__mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: white;
  opacity: 0;
}

.main-banner .main-banner__scroll {
  position: absolute;
  left: 50%;
  bottom: 40px;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

.main-banner .main-banner__scroll p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  letter-spacing: 1.4px;
}

.main-banner .main-banner__scroll div {
  width: 25px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 1em;
  margin-left: auto;
  margin-right: auto;
  margin-top: 12px;
  position: relative;
}

.main-banner .main-banner__scroll div::before {
  content: "";
  width: 4px;
  height: 4px;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  -webkit-animation: scrollDown 1.5s ease infinite;
          animation: scrollDown 1.5s ease infinite;
}

@-webkit-keyframes scrollDown {
  0% {
    top: 15%;
  }
  80% {
    top: 70%;
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

@keyframes scrollDown {
  0% {
    top: 15%;
  }
  80% {
    top: 70%;
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

.main-nav {
  padding: 115px 0 50px;
}

.main-nav nav {
  text-align: center;
}

.main-nav nav > a {
  display: inline-block;
  font-size: 130px;
  font-weight: 900;
  line-height: .77em;
  color: #20356c;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
}

.main-nav nav .main-nav__link01 {
  margin-bottom: 115px;
  transform: translateX(-1.95em);
}

.main-nav nav .main-nav__link02 {
  margin-bottom: 115px;
}

.main-nav nav .main-nav__link03 {
  transform: translateX(2.65em);
}

.main-nav nav p {
  font-size: 18px;
  text-align: left;
  position: absolute;
  left: 0;
  bottom: 0;
  font-weight: 500;
  line-height: 1.4em;
}

@media screen and (-webkit-min-device-pixel-ratio: 0) {
  .main-nav nav > a {
    -webkit-text-stroke: calc(0.005em + 1px) #20356c;
    color: transparent;
  }
}

.main-pf {
  background-image: url(/image/main/main_pf_bg_n.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  max-width: 1760px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 90px;
}

.main-pf .inner {
  padding-top: 75px;
  padding-bottom: 120px;
}

.main-pf .main-pf__tit {
  font-size: 63px;
  font-weight: 600;
  line-height: 1.1em;
  position: absolute;
  top: -1.1em;
  left: 0;
}

.main-pf .main-pf__list {
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  margin-top: 160px;
}

.main-pf .main-pf__list .item {
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  padding: 40px 18px;
}

.main-pf .main-pf__list .item .txt01 {
  color: #fff;
  font-size: 22px;
  font-weight: 600;
  line-height: 1em;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  margin-bottom: 30px;
}

.main-pf .main-pf__list .item .txt02 {
  color: #fff;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.4em;
  white-space: normal;
  height: 5.6em;
  word-wrap: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.main-pf .main-pf__list .slick-prev {
  width: 19px;
  height: 35px;
  background-image: url(/image/main/pf_prev.png);
  background-repeat: no-repeat;
  background-size: cover;
  font-size: 0;
  opacity: 0.5;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
  position: absolute;
  left: -60px;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.main-pf .main-pf__list .slick-prev:hover {
  opacity: 1;
}

.main-pf .main-pf__list .slick-next {
  width: 19px;
  height: 35px;
  background-image: url(/image/main/pf_next.png);
  background-repeat: no-repeat;
  background-size: cover;
  font-size: 0;
  opacity: 0.5;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
  position: absolute;
  right: -60px;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.main-pf .main-pf__list .slick-next:hover {
  opacity: 1;
}

.main-pf .more-btn {
  text-align: right;
}

.main-pf__param {
  margin-top: 60px;
}

.main-pf__param .inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-pf__param .inner span {
  width: 35%;
  height: 2px;
  background-color: #909090;
}

.main-pf__param p {
  flex: 1;
  margin-left: auto;
  font-size: 20px;
  line-height: 1em;
  font-weight: 500;
  text-align: right;
}

.main-news {
  margin-top: 180px;
  padding-top: 130px;
  padding-bottom: 165px;
  background-image: url(/image/main/main_news_bg_n.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.main-news .main-news__btn {
  display: inline-block;
  color: #fff;
  font-size: 50px;
  line-height: 1em;
  font-weight: 500;
  padding-right: 30px;
  background-image: url(/image/main/main_news_arrow.png);
  background-position: 100% center;
  background-repeat: no-repeat;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
}

.main-news .main-news__btn:hover {
  padding-right: 40px;
}

.main-news .main-news__list {
  margin-top: 55px;
}

.main-news .main-news__list > a {
  display: block;
  padding: 35px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.main-news .main-news__category {
  font-size: 18px;
  color: #97bfff;
  font-weight: 600;
  margin-bottom: 17px;
}

.main-news .main-news__subject {
  font-size: 23px;
  color: #fff;
  font-weight: 500;
  line-height: 1em;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.main-news .main-news__date {
  margin-top: 25px;
  line-height: 1em;
  color: #bbbbbb;
  font-weight: 600;
  font-size: 14px;
}

.more-btn .more-btn__link {
  display: block;
  color: #fff;
  font-size: 18px;
  line-height: 1em;
  display: inline-block;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
  padding-left: 25px;
  padding-right: 25px;
  position: relative;
  line-height: 45px;
  height: 45px;
}

.more-btn .more-btn__link::before {
  content: "";
  width: 45px;
  height: 45px;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #20356c;
  border-radius: 2em;
  z-index: 1;
  -webkit-transition: all ease .3s;
  transition: all ease .3s;
}

.more-btn .more-btn__link p {
  display: inline-block;
  background-image: url(/image/main/more_arrow.png);
  background-position: 100% center;
  background-repeat: no-repeat;
  padding-right: 25px;
  z-index: 2;
  position: relative;
}

.more-btn .more-btn__link:hover::before {
  width: 100%;
}