@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", sans-serif;
  color: #222;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  width: 100%;
  display: block;
}

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

ul,
li {
  list-style: none;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.section__head--center {
  justify-content: center;
  text-align: center;
}

.section__title div {
  display: flex;
  align-items: center;
}

.section__title div > img {
  width: 15px;
  height: 15px;
}

.section__title div > img:last-child {
  margin-left: -3px;
  z-index: -1;
}

.section__title h2 {
  font-size: 44px;
  font-weight: bold;
  margin-top: 20px;
}

.section__title p {
  color: #333;
  font-size: 18px;
  margin-top: 20px;
}

.more-link {
  font-size: 18px;
  display: flex;
  align-items: center;
  border-bottom: solid 3px #000;
  padding-bottom: 18px;
  font-weight: bold;
}

.more-link > img {
  margin-left: 24px;
}

.more-link > img:last-child {
  display: none;
}

.more-link:hover {
  color: #009933;
}

.more-link:hover > img:nth-of-type(1) {
  display: none;
}

.more-link:hover > img:last-child {
  display: block;
}

.banner {
  width: 100%;
}

.banner img {
  width: 100%;
  height: auto;
}

.partner__grid {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.partner__item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-top: 80px;
}

.partner__item:nth-child(even) {
  align-items: flex-start;
}

.partner__item div {
  position: relative;
  overflow: hidden;
  width: 620px;
  height: 450px;
  cursor: pointer;
}

.partner__item div > img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}

.partner__item div > img:last-child {
  opacity: 0;
  visibility: hidden;
}

.partner__item .btn {
  width: 250px;
  height: 70px;
  border: solid 1px #000;
  border-radius: 50px;
  background-color: #fff;
  font-size: 26px;
  margin-top: 30px;
}

.partner__item:hover div > img:nth-of-type(1) {
  opacity: 0;
  visibility: hidden;
}

.partner__item:hover div > img:last-child {
  opacity: 1;
  visibility: visible;
}

.partner__item:hover .btn {
  background: linear-gradient(to bottom, #40ae3e, #007e14);
  border: transparent;
  color: #fff;
}

.home-banner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.home-banner .home-banner__img {
  position: relative;
}

.home-banner .home-banner__text {
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.home-banner .home-banner__text div {
  font-size: 35px;
  margin-bottom: 30px;
  text-shadow: 1px 1px 4px rgba(120, 176, 205, 0.9);
}

.home-banner .home-banner__text p {
  font-size: 14px;
  margin-bottom: 38px;
}

.home-banner .home-banner__text .btn {
  width: 250px;
  height: 70px;
  font-size: 22px;
  border: solid 1px #fff;
  border-radius: 50px;
  background-color: transparent;
  color: #fff;
  transition: all 0.3s ease;
  cursor: pointer;
  display: block;
  line-height: 70px;
}

.home-banner .home-banner__text .btn:hover {
  background-color: #28b540;
  border-color: #28b540;
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(40, 181, 64, 0.4);
}

.case .container {
  max-width: 100%;
  padding: 0 20px;
}

.case .container .case__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 57px;
  margin-top: 80px;
}

.case .container .case__card {
  border: 1px solid #e6f8eb;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}

.case .container .case__card .case__card-top {
  background: linear-gradient(to bottom, #40ae3e, #007e14);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 23px;
  height: 70px;
}

.case .container .case__card > .content {
  box-shadow: inset 0 8px 20px rgba(203, 234, 210, 0.8);
  background-color: #f3fff6;
  padding: 25px;
  font-weight: 700;
  height: 100%;
}

.case .container .case__card > .content > img {
  height: 250px;
}

.case .container .case__card .case__card-desc {
  font-size: 16px;
  color: #333;
  line-height: 1.5;
}

.case .container .case__card .case__card-desc > p:nth-of-type(1) {
  margin-top: 30px;
  margin-bottom: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.case .container .case__card .case__card-desc > p:nth-of-type(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}

.about {
  padding-top: 0;
}

.about__content {
  margin-top: 80px;
}

.about__text {
  font-size: 16px;
  line-height: 1.8;
  text-indent: 2em;
}

.about__nav {
  position: relative;
  width: 100%;
  height: 100%;
}

.about__nav .content {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 1300px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.about__nav .content .about__qrcode {
  width: 750px;
}

.about__nav .content .about__qrcode img {
  width: 100%;
  display: block;
}

.about__nav .content .content-side, .about__nav .content .content_left, .about__nav .content .content_right {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 28px;
}

.about__nav .content .content_left .about__nav-item:last-child {
  margin-top: 200px;
  margin-left: 35px;
}

.about__nav .content .content_right .about__nav-item:last-child {
  margin-top: 200px;
  margin-right: 35px;
}

.about__nav .content .about__nav-item {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 20px;
}

.about__nav .content .about__nav-item img {
  width: 80px;
  height: 80px;
  transition: opacity 0.3s ease;
}

.about__nav .content .about__nav-item img:first-child {
  opacity: 0;
  visibility: hidden;
  position: absolute;
}

.about__nav .content .about__nav-item img:nth-of-type(2) {
  opacity: 1;
  visibility: visible;
}

.about__nav .content .about__nav-item:hover img:first-child {
  opacity: 1;
  visibility: visible;
  position: static;
}

.about__nav .content .about__nav-item:hover img:nth-of-type(2) {
  opacity: 0;
  visibility: hidden;
  position: absolute;
}

.news {
  padding: 0;
  position: relative;
}

.news .container {
  width: 100%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.news .container .section__head .section__title > div:first-child {
  position: relative;
}

.news .container .section__head .section__title > div:first-child > p {
  font-size: 58px;
  font-weight: bold;
  letter-spacing: 2px;
  /* 文字内部空白透明 */
  color: transparent;
  /* 文字边缘白色描边 宽度 颜色 */
  -webkit-text-stroke: 1px #ffffff;
  text-stroke: 1px #ffffff;
  margin-top: 0;
}

.news .container .section__head .section__title > div:first-child > h2 {
  margin-top: 0;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.news .container .section__head .section__title > div:last-child {
  justify-content: center;
  margin-top: 24px;
  margin-bottom: 80px;
}

.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.news__card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  padding: 20px;
  height: 500px;
}

.news__card .news__card-date {
  font-size: 12px;
  color: #666666;
  margin-bottom: 21px;
  padding: 0 20px;
}

.news__card .title {
  font-size: 22px;
  margin-bottom: 28px;
  line-height: 1.4;
  padding: 0 20px;
}

.news__card .jiantou {
  padding: 0 20px;
  margin-bottom: 40px;
}

.news__card .jiantou > img {
  width: 60px;
  height: 60px;
}

.news__card .jiantou > img:last-child {
  display: none;
}

.news__card img {
  border-radius: 20px;
}

.news__card p {
  display: none;
  padding: 30px 25px;
  background-color: #fff;
  border-radius: 20px;
  width: 100%;
  font-size: 17px;
  color: #000;
  line-height: 30px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  /* 控制展示5行 */
  -webkit-line-clamp: 5;
  line-clamp: 5;
}

.news__card:hover {
  background-color: #29a245;
  color: #fff;
}

.news__card:hover .news__card-date {
  color: #fff;
}

.news__card:hover img {
  display: none;
}

.news__card:hover p {
  display: -webkit-box;
}

.news__card:hover .jiantou > img:first-child {
  display: none;
}

.news__card:hover .jiantou > img:last-child {
  display: block;
}

.header__menu {
  display: none;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.header__menu img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header .header__wrap {
  flex-wrap: nowrap !important;
  align-items: center;
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 15px;
    max-width: 100%;
  }
  .section {
    padding: 20px 0;
  }
  .section__head {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
  }
  .section__title div > img {
    width: 10px;
    height: 10px;
  }
  .section__title h2 {
    font-size: 28px;
    margin-top: 20px;
  }
  .section__title p {
    font-size: 14px;
    margin-top: 20px;
  }
  .more-link {
    font-size: 14px;
    padding-bottom: 10px;
  }
  .more-link img {
    width: 16px;
    margin-left: 10px;
  }
  .banner {
    margin-top: 0;
  }
  .partner__grid {
    flex-direction: column;
    gap: 20px;
  }
  .partner__item {
    width: 100%;
    margin-top: 0;
    align-items: center !important;
  }
  .partner__item div {
    width: 100%;
    height: 260px;
  }
  .partner__item .btn {
    width: 160px;
    height: 48px;
    font-size: 16px;
    margin-top: 20px;
  }
  .home-banner .home-banner__text div {
    font-size: 32px;
    margin-bottom: 20px;
  }
  .home-banner .home-banner__text p {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .home-banner .home-banner__text .btn {
    width: 160px;
    height: 48px;
    font-size: 16px;
  }
  .case .container {
    padding: 0 15px;
  }
  .case .container .case__grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
  }
  .case .container .case__card .case__card-top {
    height: 50px;
    font-size: 16px;
  }
  .case .container .case__card .content {
    padding: 15px;
  }
  .case .container .case__card .case__card-desc {
    font-size: 14px;
  }
  .case .container .case__card .case__card-desc p:nth-of-type(1) {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .about__content {
    margin-top: 20px;
  }
  .about__text {
    font-size: 14px;
    line-height: 1.6;
  }
  .about__nav {
    margin-top: 20px;
    height: auto;
  }
  .about__nav > img {
    display: none;
  }
  .about__nav .content {
    position: static;
    transform: none;
    width: 100%;
    padding: 20px 15px;
    flex-direction: column;
    gap: 20px;
  }
  .about__nav .content .content_left,
  .about__nav .content .content_right {
    flex-direction: row;
    justify-content: center;
    gap: 20px;
  }
  .about__nav .content .about__qrcode {
    width: 70%;
    margin: 0 auto;
  }
  .about__nav .content .about__nav-item {
    font-size: 18px;
  }
  .about__nav .content .about__nav-item img {
    width: 40px;
    height: 40px;
  }
  .about__nav .content .about__nav-item:last-child {
    margin-top: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .news {
    height: auto;
    padding: 20px 0;
    position: relative;
  }
  .news > img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
  }
  .news .container {
    position: static;
    transform: none;
    padding: 0 15px;
  }
  .news .container .section__head {
    margin-bottom: 0;
  }
  .news .container .section__head .section__title > div:first-child p {
    font-size: 32px;
  }
  .news .container .section__head .section__title > div:first-child h2 {
    font-size: 26px;
  }
  .news .container .section__head .section__title > div:last-child {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .news__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .news__card {
    height: auto;
    min-height: 380px;
    padding: 15px;
    border-radius: 12px;
  }
  .news__card .news__card-date {
    font-size: 11px;
    padding: 0 10px;
    margin-bottom: 20px;
  }
  .news__card .title {
    font-size: 16px;
    padding: 0 10px;
    margin-bottom: 20px;
  }
  .news__card .jiantou {
    padding: 0 10px;
    margin-bottom: 20px;
  }
  .news__card .jiantou > img {
    width: 40px;
    height: 40px;
  }
  .news__card img {
    border-radius: 12px;
  }
  .news__card p {
    padding: 16px 12px;
    font-size: 14px;
    line-height: 24px;
    border-radius: 12px;
  }
}