* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: black;
}
a {
  color: black;
  text-decoration: none;
}
ul {
  list-style: none;
}
.container {
  width: 1200px;
  margin: 0 auto;
}
.chakan {
  margin-left: 130px;
  width: 229px;
  height: 80px;
  text-align: center;
  line-height: 80px;
  background: url(../img/Rectangle2614.png) no-repeat center;
  font-weight: 600;
  background-size: cover;
  color: #FFFFFF;
  font-size: 30px;
  margin-top: 60px;
}
.header {
  height: 100px;
  background: #000000;
  color: white;
  font-size: 18px;
}
.header .container {
  height: 100%;
  display: flex;
  align-items: center;
}
.header .container img {
  margin-right: 200px;
}
.header .container ul {
  height: 100%;
  display: flex;
  align-items: center;
}
.header .container li {
  margin-right: 100px;
  height: 100%;
}
.header .container a {
  display: block;
  color: white;
  line-height: 100px;
  height: 100%;
}
.header .container .active {
  color: #66ACC8;
  background: url(../img/Vector69.png) no-repeat;
  background-position: center 70px;
}
.header .container a:hover {
  color: #66ACC8;
  background: url(../img/Vector69.png) no-repeat;
  background-position: center 70px;
}
.header .container .btn {
  display: flex;
  align-items: center;
}
.header .container .btn div {
  width: 76px;
  height: 36px;
  text-align: center;
  line-height: 36px;
  background: url(../img/b.png) no-repeat center center;
  margin-right: 20px;
}
.header .container .btn .log {
  background: url(../img/b2.png) no-repeat center center;
}
.banner {
  height: 881px;
}
.banner .swiper-container {
  width: 100%;
  height: 100%;
}
.banner .swiper-slide {
  font-size: 18px;
  background: url(../img/image95@2x.png) no-repeat center center;
  background-size: cover;
  padding-top: 268px;
}
.banner .swiper-slide .tt {
  width: 753px;
  height: 166px;
  font-size: 80px;
  font-family: "微软雅黑";
  font-weight: 400;
  color: #FFFFFF;
  line-height: 94px;
  font-style: italic;
}
.banner .swiper-slide .tt span {
  color: #66ACC8;
}
.banner .swiper-slide .text {
  width: 654px;
  height: 159px;
  font-size: 32px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: lighter;
  color: #FFFFFF;
  line-height: 53px;
  margin: 35px 0;
}
.banner .swiper-slide .watch {
  display: flex;
  align-items: center;
  width: 250px;
  height: 80px;
  background: url(../img/Rectangle2610.png) no-repeat center center;
  font-weight: 600;
  color: #FFFFFF;
  font-size: 30px;
  justify-content: center;
}
.banner .swiper-slide .watch img {
  margin-left: 15px;
}
.suanli {
  height: 708px;
  background: black;
}
.suanli .container {
  position: relative;
  overflow: hidden;
}
.suanli .left {
  position: relative;
  z-index: 111;
  margin-top: 182px;
  width: 618px;
  height: 418px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid #66ACC8;
}
.suanli .right {
  position: absolute;
  width: 991px;
  height: 476px;
  top: 100px;
  left: 209px;
  background: url(../img/Group289771.png) no-repeat center center;
  background-size: cover;
  z-index: 1;
}
.suanli .right .text {
  margin-left: 450px;
  margin-top: 34px;
  width: 510px;
}
.suanli .right .text .t {
  height: 55px;
  font-size: 42px;
  font-weight: 400;
  color: #66ACC8;
  line-height: 49px;
  font-style: italic;
}
.suanli .right .text .t2 {
  height: 329px;
  font-size: 26px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 47px;
  margin-top: 15px;
}
.envir {
  height: 1094px;
  background: url(../img/Group289770.png) no-repeat center center;
  background-size: cover;
  overflow: hidden;
}
.envir .tit {
  text-align: center;
  font-size: 42px;
  font-weight: 600;
  color: #66ACC8;
  line-height: 76px;
  font-style: italic;
  margin-top: 60px;
}
.envir .two {
  font-size: 24px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 43px;
  text-align: center;
}
.envir .list {
  color: white;
  padding-left: 130px;
  margin-top: 40px;
}
.envir .list .l1 {
  display: flex;
  align-items: center;
  font-size: 42px;
}
.envir .list .l1 img {
  margin-right: 30px;
}
.envir .list .l2 {
  font-size: 24px;
  margin: 20px 50px;
  line-height: 50px;
}
.adv {
  background: black;
  overflow: hidden;
}
.adv .tit {
  text-align: center;
  color: #66ACC8;
  font-size: 42px;
  font-style: italic;
  font-weight: bold;
  margin: 100px 0 40px;
}
.adv .list {
  display: flex;
  width: 1200px;
  padding: 30px;
  height: 278px;
  background: url(../img/Rectangle2626.png) no-repeat center;
  background-size: cover;
  margin: 30px 0;
}
.adv .list img {
  width: 234px;
  margin-right: 30px;
}
.adv .list .right {
  font-size: 40px;
  color: white;
}
.adv .list .right .rtext {
  font-size: 32px;
  font-weight: lighter;
  line-height: 60px;
  margin-top: 20px;
}
.adv .imgtext {
  display: flex;
  justify-content: space-between;
  margin-top: 135px;
}
.adv .imgtext .ti {
  position: relative;
  width: 373px;
  height: 562px;
  background: url(../img/Rectangle2628.png) no-repeat center;
  background-size: cover;
  padding-top: 105px;
  color: white;
  text-align: center;
  line-height: 50px;
}
.adv .imgtext .ti img {
  position: absolute;
  top: -85px;
  left: calc(50% - 85px);
}
.adv .imgtext .ti .tname {
  font-size: 32px;
  margin: 15px 0;
}
.adv .imgtext .ti .tch {
  font-size: 26px;
  margin: 10px 0;
}
.adv .imgtext .ti .ttext {
  padding: 0 30px;
  font-size: 24px;
  font-weight: lighter;
  text-align: left;
  letter-spacing: 1px;
  color: #bebebe;
}
.res {
  height: 548px;
  background: url(../img/Group\ 289773.png) no-repeat center;
  background-size: cover;
  margin: 100px 0;
  overflow: hidden;
}
.res .text {
  width: 745px;
  height: 144px;
  font-size: 40px;
  font-family: FontName-Regular, FontName;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 72px;
  letter-spacing: 1px;
  margin-top: 130px;
}
.res .chakan {
  margin-left: 0;
  width: 285px;
  height: 100px;
  line-height: 100px;
}
.footer .top {
  height: 286px;
  background: #333333;
  color: white;
  overflow: hidden;
}
.footer .top table {
  text-align: left;
  margin-top: 55px;
}
.footer .top table td {
  padding-top: 25px;
  color: #9e9e9e;
}
.footer .bto {
  height: 100px;
  text-align: center;
  line-height: 100px;
  font-size: 14px;
  color: #A5A5A5;
  background-color: #222222;
}