/* 公共样式 */
@font-face {
  font-family: "iconfont";
  /* project id 2434611 */
  src: url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.eot");
  src: url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.eot?#iefix") format("embedded-opentype"), url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.woff2") format("woff2"),
    url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.woff") format("woff"), url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.ttf") format("truetype"),
    url("https://at.alicdn.com/t/font_2434611_dd9z54t54es.svg#iconfont") format("svg");
}

.icon {
  font-family: "iconfont";
  font-size: 16px;
}

i {
  font-style: normal;
}

.nav-pc {
  background: #f7f7f7;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-pc .about-nav {
  display: flex;
  justify-content: space-between;
  min-width: 600px;
}

.nav-pc .about-nav li {
  position: relative;
}

.nav-pc .about-nav li a {
  color: #7b7b7b;
  font-size: 18px;
  transition: 0.5s;
}

.nav-pc .about-nav li:hover a,
.nav-pc .about-nav li.active a {
  color: #00add3;
}

.nav-pc .about-nav li:hover::after,
.nav-pc .about-nav li.active::after {
  opacity: 1;
  width: 100%;
}

.nav-pc .about-nav li::after {
  transition: 0.5s;
  display: block;
  content: "";
  width: 0;
  background: #00add3;
  height: 3px;
  position: absolute;
  bottom: -38px;
  opacity: 0;
}

.about-banner-mobile {
  display: none;
  height: 240px;
  background: url(../images/about-banner.png) no-repeat center;
  background-size: cover;
}

.nav-mobile {
  display: none;
  padding: 14px 26px;
  background: #00add3;
  position: relative;
  justify-content: space-between;
}

.nav-mobile h2,
.nav-mobile i {
  font-size: 18px;
  color: #fff;
}

.nav-mobile .nav-about-menu {
  display: none;
  box-sizing: border-box;
  background: #fff;
  box-shadow: 0 0.9375em 1.875em rgb(0 0 0 / 10%);
  position: absolute;
  right: 0;
  top: 52px;
  width: 100%;
  border-top: 2px solid #00add3;
  padding: 15px 26px;
  z-index: 999;
}

.nav-mobile .nav-about-menu li {
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
  margin-bottom: 10px;
}

.nav-mobile .nav-about-menu a:nth-last-of-type(1) li {
  border: none;
  margin: 0;
}

.swiper-slide,
.swiper-wrapper {
  height: auto !important;
}

.container {
  width: 1400px;
  margin: 0 auto;
}

html {
  line-height: normal;
}

.flex-centers {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.flex-align-center {
  align-items: center;
}

.flex-sb {
  display: flex;
  justify-content: space-between;
}

.flex-warp {
  flex-wrap: wrap;
}

ul,
h2,
h3,
h4,
p {
  list-style: none;
  padding: 0;
  margin: 0;
  font-weight: 400;
  font-family: SourceHanSansCN;
  font-weight: 400;
}

a {
  color: #000;
  text-decoration: none;
  font-family: SourceHanSansCN;
  font-weight: 400;
}

input,
textarea {
  outline: none;
  -webkit-appearance: button;
  -webkit-appearance: none;
  border-radius: 0;
}

textarea {
  resize: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.more-button {
  width: 120px;
  height: 40px;
  background: #ffffff;
  border: 1px solid #00add3;
  border-radius: 6px;
  font-size: 14px;
  color: #00add3;
  cursor: pointer;
  transition: 0.3s;
}

.more-button:hover {
  background: #00add3;
  color: #fff;
}

/* 头部 */
.header {
  background: #fff;
  position: relative;
  z-index: 3;
}

.header img {
  margin-left: 200px;
}

.nav {
  width: 70%;
}

.nav .nav-list {
  width: 70%;
}

.nav .nav-list > li a {
  font-size: 16px;
  transition: 0.5s;
}

.nav .nav-list > li.active a {
  color: #00add3;
}

.nav .nav-list > li:hover > a {
  color: #00add3;
}

.nav .nav-list > li .nav-menus {
  width: 100vw;
  display: none;
  position: absolute;
  background: rgba(0, 173, 211, 0.5);
  top: 96px;
  left: 0;
  z-index: 1;
  padding: 10px 30px;
  text-align: center;
  box-shadow: 0 0.9375em 1.875em rgba(0, 0, 0, 0.1);

  justify-content: center;
}

.nav .nav-list > li .nav-menus.active {
  opacity: 1;
  transform: translateY(0);
  display: flex;
}

.nav .nav-list > li .nav-menus li {
  padding: 10px 0;
  margin-right: 80px;

  float: left;
}

.nav .nav-list > li .nav-menus li:nth-of-type(1) {
  margin-left: 40%;
}

.nav .nav-list > li .nav-menus li a {
  color: #fff;
  transition: 0.5s;
}

.nav .nav-list > li .nav-menus li:hover a {
  cursor: pointer;
}

.nav .service {
  width: 300px;
  height: 97px;
  background: rgba(0, 173, 211, 1);
  color: #fff;
}

.service h2 {
  font-size: 14px;
}
.service h2 {
  margin-left: 33px;
}
.service p {
  font-size: 24px;
  font-weight: bold;
}

/* 移动端头部 */
.header-mobile {
  display: none;
  background: #fff;
  box-sizing: border-box;
  padding: 15px 10px;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}

.header-mobile ul {
  display: none;
  padding-bottom: 10px;
  background: #fff;
  box-shadow: 0 0.9375em 1.875em rgba(0, 0, 0, 0.1);
  position: fixed;
  right: 0;
  top: 62px;
  width: 100%;
  height: 100%;
  border-top: 2px solid #00add3;
}

.header-mobile ul li {
  padding: 20px 20px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.header-mobile ul li.active a {
  color: #00add3;
}

.header-mobile img {
  width: 150px;
}

.header-mobile i {
  font-size: 28px;
  color: #00add3;
  font-weight: bold;
}

/* 底部 */
.footer {
  display: block;
  background: #2d3238;
  padding: 80px 0 60px 0;
}

.footer-info {
  display: flex;
  justify-content: space-between;
}

.footer-info-container {
  width: 60%;
  display: flex;
  justify-content: space-between;
}

.footer-info-item h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 25px;
}

.footer-info-item ul li {
  margin-bottom: 15px;
}

.footer-info-item ul li a {
  font-size: 14px;
  color: #8f8d8d;
  transition: 0.5s;
}

.footer-info-item ul li a:hover {
  color: #fff;
}

.footer-info-service {
  width: 33%;
  display: flex;
  justify-content: space-between;
}

.footer-info-service .address h3 {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 10px;
}

.footer-info-service .address p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 4px;
}

.footer-info-service .address h3:nth-of-type(2) {
  margin-top: 10px;
}

.footer-info-service .code p {
  text-align: center;
  color: #fff;
  font-size: 14px;
  margin-top: 10px;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  margin-top: 80px;
  display: flex;
  padding-top: 30px;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.footer-copy p a,
.footer-copy p {
  color: rgba(255, 255, 255, 0.46);
  font-size: 12px;
}

.footer-copy p {
  margin-bottom: 10px;
}

/* 移动底部 */
.footer-mobile {
  display: none;
  background: #2d3238;
  padding: 20px 0;
}

.footer-mobile p {
  width: 90%;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 12px;
  line-height: 18px;
}

.footer-mobile p,
.footer-mobile p a {
  font-size: 12px;
  color: #fff;
}

@media (max-width: 1408px) {
  /* 宽屏电脑 */
  .container {
    width: 1200px;
    margin: 0 auto;
  }

  .header img {
    width: 200px;
  }

  /* 头部 */
  .nav .nav-list {
    width: 60%;
    margin-left: 4%;
  }
}

@media (max-width: 1216px) {
  /* 桌面电脑 */
  /* 头部 */
  .nav .nav-list {
    width: 60%;
    margin-left: 8%;
  }

  .header img {
    width: 150px;
  }

  .nav .service {
    width: 200px;
  }

  .service p {
    font-size: 20px;
  }

  .container {
    width: 80%;
    margin: 0 auto;
  }
}

@media (max-width: 1024px) {
  /* 平板电脑 */
  /* 头部 */
  .header img {
    width: 130px;
  }

  .nav .nav-list {
    width: 58%;
    margin-left: 13%;
  }

  .nav .nav-list li a {
    font-size: 14px;
  }

  .nav .service {
    width: 150px;
    height: 60px;
  }

  .service h2 {
    display: none;
  }

  .service p {
    font-size: 14px;
  }

  .container {
    width: 90%;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  /* 移动端 */
  .header {
    display: none;
  }

  .container {
    width: 100%;
    margin: 0 auto;
  }

  .footer-pc {
    display: none;
  }

  .footer-mobile {
    display: block;
  }

  .header-mobile {
    display: flex;
  }

  .header-mobile img {
    width: 120px;
  }

  .nav-pc {
    display: none;
  }

  .nav-mobile {
    display: flex;
  }

  .about-banner-pc {
    display: none;
  }

  .about-banner-mobile {
    display: block;
  }
}