html,
body {
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
  color: inherit;
}

body {
  font-size: 14px;
  font-weight: normal;
  text-decoration: none;
  font-family: 微软雅黑;
  color: #222222;
}

.w1200 {
  width: 1200px;
  margin: 0 auto;
}
.w800 {
  width: 800px;
  margin: 0 auto;
}
.index-top {
  height: 120px;
  transition: top, background, background-color 0.4s ease;
  visibility: visible;
  overflow: hidden;
}
.index-top > div {
  height: 100%;
}
.index-top-logo {
  height: 100%;
  display: flex;
  float: left;
  align-items: center;
}
.index-top-logo img {
  height: auto;
  aspect-ratio: auto 141 / 46;
  width: 220px;
}
.index-top-nav {
  max-width: 1000px;
  float: right;
  display: flex;
  height: 100%;
  align-items: center;
  font-size: 16px;
}
.index-top-nav div {
  width: 102px;
  text-align: center;
  margin-left: 10px;
  height: 40px;
  line-height: 40px;
  cursor: pointer;
}
.index-top-nav div a {
  color: inherit;
  height: 40px;
  line-height: 40px;
  display: block;
}
.index-top-nav div:not(:has(.index-top-nav-isActive)):hover,
.index-top-nav-isActive {
  background: #293fc5;
  border-radius: 5px;
  color: #ffffff;
}

.index-top-img,
.index-top-img img {
  width: 100%;
  display: block;
}

.index-bg {
  background: #293fc5;
}
.index-con {
  text-align: center;
  padding-bottom: 100px;
}
.idnex-con-tit {
  padding: 87px 0 70px;
}
.index-con-tit1 {
  font-size: 28px;
  color: rgb(241, 241, 241);
}
.index-con-tit2 {
  font-size: 14px;
  /* color: rgb(122, 123, 123); */
  color: rgb(241, 241, 241);
}
.index-con-list {
  display: flex;
  justify-content: space-between;
}
.index-con-list-div {
  text-align: center;
  width: 370px;
}
.index-con-list-div img {
  width: 370px;
  height: 202px;
}
.idnex-con-list-txt1 {
  font-size: 18px;
  line-height: 50px;
  color: rgb(222, 222, 222);
}
.idnex-con-list-txt2 {
  /* color: rgb(169, 169, 169); */
  color: rgb(222, 222, 222);
  font-size: 16px;
  line-height: 25px;
}

.index-about {
  background: url("../image/index-about-bg.jpg") no-repeat top;
  width: 100%;
  height: 715px;
}
.index-about-tit {
  padding-top: 50px;
}
.index-about-tit1 {
  font-size: 28px;
  color: #ffffff;
}
.index-about-tit2 {
  color: rgb(178, 178, 178);
  font-size: 14px;
}
.index-about-img {
  height: 218px;
  width: 738px;
  margin-top: 50px;
  margin-left: 60px;
}
.index-about-img img {
  border: 0;
  vertical-align: top;
}
.index-about-text {
  width: 450px;
  font-family: 微软雅黑, "microsoft yahei";
  font-size: 16px;
  color: rgb(222, 222, 222);
  margin-top: 40px;
  margin-left: 60px;
}
.index-about-text div {
  white-space: pre-wrap;
  word-break: normal;
  line-height: 25px;
  color: rgb(222, 222, 222);
  text-indent: 2em;
}
.index-about-tit3 {
  color: #ffffff;
  margin-left: 60px;
  margin-top: 20px;
}

.index-about-exe {
  width: 450px;
  color: #ffffff;
  margin-left: 60px;
  display: flex;
  justify-content: space-between;
}
.index-about-exe div {
  cursor: pointer;
}

.index-footer {
  background: #2b2b2b;
  text-align: center;
  padding-bottom: 80px;
}
.index-footer-div1 {
  display: flex;
  font-size: 18px;
  color: rgb(222, 222, 222);
  align-items: center;
  justify-content: center;
  padding-top: 130px;
}
.index-footer-div1 div {
  margin: 0 20px;
}
.index-footer-line {
  height: 1px;
  width: 350px;
  margin: 20px auto;
  background-color: rgb(222, 222, 222);
}
.index-footer-div2 {
  font-size: 14px;
  font-family: 微软雅黑;
  color: #666666;
  margin: 40px auto 0;
}
.index-footer-div2 a:hover,
.idnex-con-list-txt2 a:hover {
  color: #4693af;
  transition: color 0.25s;
}

.contact-div {
  width: 460px;
  /* color: rgb(130, 130, 130); */
  color: rgb(222, 222, 222);
  line-height: 36px;
  font-size: 20px;
  padding: 80px 0;
  text-align: left;
  margin: 0 auto;
}
.contact-div div:first-child {
  font-size: 24px;
  margin-bottom: 30px;
}