body {
  background: #fff;
}
.swiper-container {
  width: 100%;
  height: 100%;
}

/* banner */
.banner {
  position: relative;
  height: 55vh;
}
.banner .swiper-slide {
  position: relative;
}
.banner .swiper-slide i {
  display: block;
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: no-repeat center 0 / cover;
}

.banner-font {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 10;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  color: #fff;
}

.banner-font .big {
  padding: 10px 0;
  font-size: 26px;
  line-height: 1.6;
  opacity: 0;
  transform: translate3d(0, 80px, 0);
  transition: 2s 0.5s;
}
.banner-font .small {
  font-size: 20px;
  line-height: 1.4;
  opacity: 0;
  transform: translate3d(0, 80px, 0);
  transition: 2s 0.5s;
}
.banner .swiper-slide-active .banner-font .big {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.banner .swiper-slide-active .banner-font .small {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

#banner-page .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  margin: 0 4px;
  background: #fff;
  border-radius: 10px;
  opacity: 1;
  transition: 0.4s ease;
}
#banner-page .swiper-pagination-bullet-active {
  width: 20px;
  background: #d70d25;
}
@media (min-width: 1200px) {
  /* banner */
  .banner {
    position: relative;
    height: 100vh;
  }
  .banner .swiper-slide {
    position: relative;
  }
  .banner .swiper-slide i {
    display: block;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: no-repeat center 0 / cover;
  }

  .banner-font {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    color: #fff;
  }

  .banner-font .big {
    padding: 1vw 0 0;
    font-size: 56px;
    line-height: 1.6;
    opacity: 0;
    transform: translate3d(0, 80px, 0);
    transition: 2s 0.5s;
  }
  .banner-font .small {
    font-size: 20px;
    line-height: 1.4;
    opacity: 0;
    transform: translate3d(0, 80px, 0);
    transition: 2s 0.5s;
  }
  .banner .swiper-slide-active .banner-font .big {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  .banner .swiper-slide-active .banner-font .small {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  #banner-page .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    margin: 0 8px;
    background: #fff;
    border-radius: 10px;
    opacity: 1;
    transition: 0.4s ease;
  }
  #banner-page .swiper-pagination-bullet-active {
    width: 53px;
    background: #d70d25;
  }
}

/* 第1部分 */

.part1 {
  position: relative;
  padding: 20px 10px;
  background-image: url(../images/part1_bg.jpg);
  border-top: 1px #efefef solid;
  border-bottom: 1px #efefef solid;
}

.part1-box {
}

.part1-title {
  padding: 0 0 20px;
  font-weight: bold;
  font-size: 20px;
  line-height: 1;
  color: #000;
  background: url(../images/part1_line.jpg) no-repeat 0 bottom/50px 2px;
}
.part1-p {
  height: 288px;
  overflow: hidden;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 2;
  text-indent: 2em;
}

.part1-more {
  width: 218px;
  margin: 10px 0;
}
.part1-more a {
  display: block;
  position: relative;
  transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  transform-style: preserve-3d;
}
.part1-more a span {
  display: block;
  font-size: 14px;
  line-height: 38px;
  padding: 0 100px 0 60px;
  border: 1px solid #e3e2e2;
}

.cube-off {
  position: relative;
  z-index: 5;
  color: #999;
  background: transparent;
  transform: rotateX(0) translateZ(19px);
}

.cube-on {
  position: absolute;
  z-index: 10;
  left: 0;
  top: 0;
  background: linear-gradient(to right, #171c7b, #018ed9);
  transform: rotateX(-90deg) translateZ(19px);
}

.cube-off span {
  background: url(../images/more_arrow_b.png) no-repeat 165px center;
}

.cube-on span {
  color: #fff;
  background: url(../images/more_arrow_w.png) no-repeat 165px center;
}
.part1-more a:hover {
  transform: rotateX(90deg);
}

.part1-num {
  display: flex;
  padding: 20px 0;
}
.part1-num-li {
  width: 33.3%;
  padding-left: 5px;
  background: url(../images/part1_shu.jpg) no-repeat 0 0;
}
.part1-num-font {
  display: flex;
  align-items: flex-end;
  font-size: 14px;
  color: #da3423;
}
.part1-num-font span {
  font-weight: bold;
  font-size: 30px;
  line-height: 30px;
  color: #333;
}
.part1-num-p {
  font-size: 14px;
  line-height: 30px;
  color: #999;
}

.part1-right {
  position: relative;
  width: 100%;
}
#part1-page {
  display: flex;
  justify-content: center;
  position: absolute;
  z-index: 50;
  left: 0;
  bottom: 20px;
  width: 100%;
}
#part1-page .swiper-pagination-bullet {
  width: 30px;
  height: 30px;
  margin: 0 4px;
  background: url(../images/part1_page.png) no-repeat center center;
  border-radius: 10px;
  opacity: 1;
}
#part1-page .swiper-pagination-bullet-active {
  background: url(../images/part1_pagea.png) no-repeat center center;
}
.part1-banner .swiper-slide {
  position: relative;
}
.part1-banner .swiper-slide img {
  width: 100%;
}
.part1-banner span {
  display: block;
  position: absolute;
  z-index: 10;
  left: 10px;
  top: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.part1-nav {
  padding: 10px 0;
}

.part1-nav ul li {
  margin: 0 0 10px;
}
.part1-nav ul a {
  display: block;
  padding: 20px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: 0.5s ease;
}
.part1-nav ul li:nth-child(1) a {
  background: #fff url(../images/part1_img1.png) no-repeat right bottom;
}
.part1-nav ul li:nth-child(2) a {
  background: #fff url(../images/part1_img2.png) no-repeat right bottom;
}
.part1-nav ul li:nth-child(3) a {
  background: #fff url(../images/part1_img3.png) no-repeat right bottom;
}
.part1-nav ul li:nth-child(4) a {
  background: #fff url(../images/part1_img4.png) no-repeat right bottom;
}

.part1-li-name {
  font-size: 18px;
  line-height: 1.6;
  color: #000;
  text-align: center;
}

.part1-li-icon {
  margin: 20px 0;
  text-align: center;
}
.part1-li-p {
  padding-right: 80px;
  font-size: 14px;
  line-height: 1.8;
  color: #000;
  text-align: center;
}

@media (min-width: 1200px) {
  .part1 {
    position: relative;
    background-image: url(../images/part1_bg.jpg);
    border-top: 1px #efefef solid;
    border-bottom: 1px #efefef solid;
  }

  .part1-box {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 94vw;
    max-width: 1600px;
    margin: 0 auto;
    padding: 3.6vw 0;
  }

  .part1-left {
    width: 49%;
  }

  .part1-title {
    padding: 0 0 20px;
    font-weight: bold;
    font-size: 30px;
    line-height: 1;
    color: #000;
    background: url(../images/part1_line.jpg) no-repeat 0 bottom;
  }
  .part1-p {
    height: 288px;
    overflow: hidden;
    margin: 20px 0 0;
    font-size: 16px;
    line-height: 2;
    text-indent: 2em;

  }

  .part1-more {
    width: 218px;
    margin: 30px 0 8px;
  }
  .part1-more a {
    display: block;
    position: relative;
    transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    transform-style: preserve-3d;
  }
  .part1-more a span {
    display: block;
    font-size: 14px;
    line-height: 38px;
    padding: 0 100px 0 60px;
    border: 1px solid #e3e2e2;
  }

  .cube-off {
    position: relative;
    z-index: 5;
    color: #999;
    background: transparent;
    transform: rotateX(0) translateZ(19px);
  }

  .cube-on {
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    background: linear-gradient(to right, #171c7b, #018ed9);
    transform: rotateX(-90deg) translateZ(19px);
  }

  .cube-off span {
    background: url(../images/more_arrow_b.png) no-repeat 165px center;
  }

  .cube-on span {
    color: #fff;
    background: url(../images/more_arrow_w.png) no-repeat 165px center;
  }
  .part1-more a:hover {
    transform: rotateX(90deg);
  }

  .part1-num {
    display: flex;
    padding: 30px 0;
  }
  .part1-num-li {
    width: 33.3%;
    padding-left: 2vw;
    background: url(../images/part1_shu.jpg) no-repeat 0 0;
  }
  .part1-num-font {
    display: flex;
    align-items: flex-end;
    font-size: 16px;
    color: #da3423;
  }
  .part1-num-font span {
    font-weight: bold;
    font-size: 40px;
    line-height: 40px;
    color: #333;
  }
  .part1-num-p {
    font-size: 14px;
    line-height: 30px;
    color: #999;
  }

  .part1-right {
    width: 49%;
    position: relative;
  }
  #part1-page {
    display: flex;
    justify-content: center;
    position: absolute;
    z-index: 50;
    left: 0;
    bottom: 35px;
    width: 100%;
  }
  #part1-page .swiper-pagination-bullet {
    width: 30px;
    height: 30px;
    margin: 0 8px;
    background: url(../images/part1_page.png) no-repeat center center;
    border-radius: 10px;
    opacity: 1;
  }
  #part1-page .swiper-pagination-bullet-active {
    background: url(../images/part1_pagea.png) no-repeat center center;
  }
  .part1-banner .swiper-slide {
    position: relative;
  }
  .part1-banner .swiper-slide img {
    width: 100%;
  }
  .part1-banner span {
    display: block;
    position: absolute;
    z-index: 10;
    left: 20px;
    top: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .part1-nav {
    width: 94vw;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 0 64px;
  }
  .part1-nav ul {
    display: flex;
    justify-content: space-between;
  }

  .part1-nav ul li {
    width: 23.5%;
  }
  .part1-nav ul a {
    display: block;
    padding: 50px 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: 0.5s ease;
  }
  .part1-nav ul li:nth-child(1) a {
    background: #fff url(../images/part1_img1.png) no-repeat right bottom;
  }
  .part1-nav ul li:nth-child(2) a {
    background: #fff url(../images/part1_img2.png) no-repeat right bottom;
  }
  .part1-nav ul li:nth-child(3) a {
    background: #fff url(../images/part1_img3.png) no-repeat right bottom;
  }
  .part1-nav ul li:nth-child(4) a {
    background: #fff url(../images/part1_img4.png) no-repeat right bottom;
  }

  .part1-li-name {
    font-size: 18px;
    line-height: 1.6;
    color: #000;
  }

  .part1-li-icon {
    margin: 35px 0;
    text-align: center;
  }
  .part1-li-p {
          padding-right: 0;
    text-align: left;
    font-size: 14px;
    line-height: 1.8;
    color: #000;
  }
  .part1-nav ul a:hover {
    transform: translate3d(0, -15px, 0);
  }
}

/* 第2部分 */

.part2 {
  position: relative;
  padding: 10px 0;
}
.part2 ul a {
  display: block;
  position: relative;
}
.part2 ul a i {
  display: block;
}
.part2 ul a img {
  width: 100%;
}
.part2-li-layer {
  padding: 10px;
  color: #fff;
  text-align: center;
  background: #ab7344;
}
.part2 ul li:nth-child(2n) .part2-li-layer {
  background: #004690;
}

.part2-li-num {
  margin-top: 1px;
  padding: 0 0 5px;
  font-size: 18px;
  line-height: 28px;
}
.part2-li-name {
  font-size: 22px;
  line-height: 30px;
}
.part2-li-more {
  width: 110px;
  height: 36px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 36px;
  background: url(../images/part2_arrow.png) no-repeat center bottom;
  transition: 0.5s;
}
.part2 ul a:hover .part2-li-layer {
  width: 100%;
}
@media (min-width: 1200px) {
  .part2 {
    position: relative;
  }
  .part2 ul {
    display: flex;
  }
  .part2 ul li {
    width: 25%;
  }
  .part2 ul a {
    display: block;
    position: relative;
  }
  .part2 ul a i {
    display: block;
  }
  .part2 ul a img {
    width: 100%;
  }
  .part2-li-layer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 290px;
    min-height: 145px;
    padding: 20px 0px 30px 20px;
    color: #fff;
    text-align: center;
    background: #ab7344;
    transition: 0.36s;
  }
  .part2 ul li:nth-child(2n) .part2-li-layer {
    background: #004690;
  }

  .part2-li-num {
    margin-top: 1px;
    padding: 0 0 5px;
    font-size: 18px;
    line-height: 28px;
  }
  .part2-li-name {
    font-size: 22px;
    line-height: 40px;
  }
  .part2-li-more {
    width: 110px;
    height: 36px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 36px;
    background: url(../images/part2_arrow.png) no-repeat center bottom;
    transition: 0.5s;
  }
  .part2 ul a:hover .part2-li-layer {
    width: 100%;
  }
}

/* 第3部分 */

.part3 {
  position: relative;
  padding: 10px;
  background: url(../images/part3_bg.jpg) no-repeat center 0 / cover;
  background-attachment: fixed;
}

.part3-name {
  font-weight: bold;
  font-size: 20px;
  line-height: 2;
  color: #000;
  text-align: center;
}
.part3-detail {
  font-size: 14px;
  line-height: 2;
  color: #000;
  text-align: center;
}
.part3-banner {
  margin: 20px 0;
}

.part3-banner a {
  display: block;
}
.part3-banner a i {
  display: block;
}
.part3-banner a i img {
  width: 100%;
  height: 100px;
}
.part3-banner a p {
  font-size: 16px;
  line-height: 36px;
  color: #000;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  background: #fff;
}

.part3-more {
  width: 218px;
  margin: 20px auto;
}
.part3-more a {
  display: block;
  position: relative;
  transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  transform-style: preserve-3d;
}
.part3-more a span {
  display: block;
  font-size: 14px;
  line-height: 38px;
  padding: 0 100px 0 60px;
  border: 1px solid #e3e2e2;
}
.part3-more a .cube-off {
  background: #fff;
}
.part3-more a:hover {
  transform: rotateX(90deg);
}
@media (min-width: 1200px) {
  .part3 {
    position: relative;
    padding: 60px;
    background: url(../images/part3_bg.jpg) no-repeat center 0 / cover;
    background-attachment: fixed;
  }

  .part3-name {
    font-weight: bold;
    font-size: 30px;
    line-height: 2;
    color: #000;
    text-align: center;
  }
  .part3-detail {
    font-size: 14px;
    line-height: 2;
    color: #000;
    text-align: center;
  }
  .part3-banner {
    max-width: 1600px;
    margin: 30px auto 0;
  }

  .part3-banner a {
    display: block;
  }
  .part3-banner a i {
    display: block;
  }
  .part3-banner a i img {
    width: 100%;
    height: 266px;
  }
  .part3-banner a p {
    font-size: 16px;
    line-height: 40px;
    color: #000;
    text-align: center;
    background: #fff;
  }
  .part3-banner a:hover p {
    color: #fff;
    background: linear-gradient(to right, #171c7b, #018ed9);
  }

  .part3-more {
    width: 218px;
    margin: 35px auto;
  }
  .part3-more a {
    display: block;
    position: relative;
    transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    transform-style: preserve-3d;
  }
  .part3-more a span {
    display: block;
    font-size: 14px;
    line-height: 38px;
    padding: 0 100px 0 60px;
    border: 1px solid #e3e2e2;
  }
  .part3-more a .cube-off {
    background: #fff;
  }
  .part3-more a:hover {
    transform: rotateX(90deg);
  }
}

/* 第4部分 */

.part4 {
  position: relative;
  padding: 10px;
  background: #fff;
}

.part4-name {
  font-weight: bold;
  font-size: 30px;
  line-height: 2;
  color: #000;
  text-align: center;
}
.part4-detail {
  font-size: 14px;
  line-height: 2;
  color: #000;
  text-align: center;
}

.part4-box {
  padding: 10px 0;
}
.part4-left {
  position: relative;
}
.part4-left i {
  display: block;
}
.part4-left i img {
  width: 100%;
}
.part4-left-layer {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  padding: 10px 50px 0 10px;
  background: url(../images/part4_plus.png) no-repeat 96% bottom/24px;
}
.part4-left-name {
  font-weight: bold;
  font-size: 18px;
  line-height: 1.8;
  color: #fff;
}
.part4-left-detail {
  font-size: 14px;
  line-height: 1.6;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.part4-right {
  position: relative;
}
.part4-right i {
  display: block;
}
.part4-right i img {
  width: 100%;
}
.part4-right-layer {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 20px;
}
.part4-right-name {
  font-size: 18px;
  line-height: 1.8;
  color: #fff;
}
.part4-right-detail {
  font-size: 14px;
  line-height: 1.6;
  color: #fff;
}

.part4-ul {
  position: relative;
  margin: 10px 0;
}
.part4-prev {
  position: absolute;
  z-index: 10;
  left: 0;
  top: 50%;
  width: 30px;
  height: 50px;
  line-height: 50px;
  background: rgba(0, 0, 0, 0.2);
  transform: translate3d(0, -50%, 0);
  cursor: pointer;
}
.part4-next {
  position: absolute;
  z-index: 10;
  right: 0;
  top: 50%;
  width: 30px;
  height: 50px;
  line-height: 50px;
  background: rgba(0, 0, 0, 0.2);
  transform: translate3d(0, -50%, 0);
  cursor: pointer;
}
.part4-ul .swiper-slide {
  padding: 15px;
}
.part4-ul a {
  display: block;
  padding: 25px;
  background: #fff;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  transition: 0.5s ease;
}
.new-li-top {
  display: flex;
  align-items: flex-end;
}
.new-li-time {
  display: flex;
  align-items: flex-end;
  font-family: Impact;
  color: #b17d49;
}
.new-li-day {
  font-size: 42px;
  line-height: 1;
}
.new-li-year {
  font-size: 20px;
  line-height: 1;
  padding-left: 24px;
  background: url(../images/news_line1.jpg) no-repeat 0 center;
}
.new-li-kind {
  margin-left: 15px;
  font-size: 14px;
  line-height: 20px;
  color: #818181;
}
.new-li-title {
  margin: 10px 0;
  font-size: 18px;
  line-height: 28px;
  color: #000;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: 0.5s ease;
}
.part4-ul a:hover .new-li-title {
  color: #0656a9;
}
@media (min-width: 1200px) {
  .part4 {
    position: relative;
    padding: 60px 0 0;
    background: #fff;
  }

  .part4-name {
    font-weight: bold;
    font-size: 30px;
    line-height: 2;
    color: #000;
    text-align: center;
  }
  .part4-detail {
    font-size: 14px;
    line-height: 2;
    color: #000;
    text-align: center;
  }

  .part4-box {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 94%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 30px 0 0;
  }
  .part4-left {
    width: 63.7882%;
    position: relative;
  }
  .part4-left i {
    display: block;
  }
  .part4-left i img {
    width: 100%;
  }
  .part4-left-layer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 36px 40px;
    background: url(../images/part4_plus.png) no-repeat 96% center;
  }
  .part4-left-name {
    font-weight: bold;
    font-size: 30px;
    line-height: 2;
    color: #fff;
  }
  .part4-left-detail {
    font-size: 14px;
    line-height: 2;
    color: #fff;
  }

  .part4-right {
    position: relative;
    width: 34.211800000000004%;
  }
  .part4-right i {
    display: block;
  }
  .part4-right i img {
    width: 100%;
  }
  .part4-right-layer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 36px 40px;
  }
  .part4-right-name {
    font-size: 30px;
    line-height: 2;
    color: #fff;
  }
  .part4-right-detail {
    font-size: 14px;
    line-height: 2;
    color: #fff;
  }

  .part4-ul {
    position: relative;
    width: 94%;
    max-width: 1600px;
    margin: 30px auto 80px;
  }
  .part4-prev {
    position: absolute;
    z-index: 10;
    left: 0;
    top: 50%;
    width: 30px;
    height: 50px;
    line-height: 50px;
    background: rgba(0, 0, 0, 0.2);
    transform: translate3d(0, -50%, 0);
    cursor: pointer;
  }
  .part4-next {
    position: absolute;
    z-index: 10;
    right: 0;
    top: 50%;
    width: 30px;
    height: 50px;
    line-height: 50px;
    background: rgba(0, 0, 0, 0.2);
    transform: translate3d(0, -50%, 0);
    cursor: pointer;
  }
  .part4-ul .swiper-slide {
    padding: 15px;
  }
  .part4-ul a {
    display: block;
    padding: 25px;
    background: #fff;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transition: 0.5s ease;
  }
  .new-li-top {
    display: flex;
    align-items: flex-end;
  }
  .new-li-time {
    display: flex;
    align-items: flex-end;
    font-family: Impact;
    color: #b17d49;
  }
  .new-li-day {
    font-size: 46px;
    line-height: 1;
  }
  .new-li-year {
    font-size: 20px;
    line-height: 1;
    padding-left: 24px;
    background: url(../images/news_line1.jpg) no-repeat 0 center;
  }
  .new-li-kind {
    margin-left: 15px;
    font-size: 14px;
    line-height: 20px;
    color: #818181;
  }
  .new-li-title {
    margin: 10px 0;
    font-size: 18px;
    line-height: 28px;
    color: #000;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: 0.5s ease;
  }
  .part4-ul a:hover .new-li-title {
    color: #0656a9;
  }
}