header,
nav,
section,
footer {
  display: flex;
  flex-direction: column;
  align-items: center;
}
header .header,
nav .header,
section .header,
footer .header,
header .hb,
nav .hb,
section .hb,
footer .hb,
header .service,
nav .service,
section .service,
footer .service,
header .footer,
nav .footer,
section .footer,
footer .footer,
header .hb-content,
nav .hb-content,
section .hb-content,
footer .hb-content,
header .js-content,
nav .js-content,
section .js-content,
footer .js-content,
header .cg-content,
nav .cg-content,
section .cg-content,
footer .cg-content,
header .swk-content,
nav .swk-content,
section .swk-content,
footer .swk-content,
header .sc-content,
nav .sc-content,
section .sc-content,
footer .sc-content,
header .jc-content,
nav .jc-content,
section .jc-content,
footer .jc-content,
header .follow-up,
nav .follow-up,
section .follow-up,
footer .follow-up,
header .shift,
nav .shift,
section .shift,
footer .shift {
  width: 1100px;
}
body {
  font-size: 18px;
}
.header {
  height: 75px;
  font-size: 18px;
  font-weight: 400;
}
.header .box {
  justify-content: space-between;
  margin-top: 51px;
  display: flex;
}
.header .box .logo {
  width: 171px;
  height: 58px;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
}
.nav .select {
  background-color: #459EFF;
  padding: 10px 16px;
  border-radius: 25px;
}
.nav .select a {
  color: #fff;
}
.nav li {
  position: relative;
  margin-left: 25px;
}
.nav li a {
  color: #233D63;
  display: block;
}
.nav li .nav2 {
  display: none;
  position: absolute;
  right: -30px;
}
.nav li .nav2 .sj {
  position: absolute;
  top: -2px;
  right: 29px;
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 19px solid #fff;
}
.nav li .nav2 .list {
  position: relative;
  top: 10px;
  background-color: #fff;
  padding: 20px;
  border-radius: 4px;
}
.nav li .nav2 .list li {
  min-width: 126px;
  display: block;
  white-space: nowrap;
}
.nav li .nav2 .list a {
  color: #666666;
  font-size: 17px;
  line-height: 50px;
}
.nav li .nav2 .list a:hover {
  color: #233D63 !important;
}
.hb {
  background-image: url(../images/bg00.png);
  background-size: cover ;
}
.hb .hb-content {
  color: #222A41;
}
.hb .hb-content .t1 {
  font-size: 18px;
}
.hb .hb-content .t2 {
  font-size: 60px;
  margin-bottom: 21px;
}
.hb .hb-content .t3 {
  font-size: 18px;
}
footer {
  background-color: #555555;
}
footer .footer a:hover {
  font-weight: normal;
}
.js-content {
  height: 818px;
}
.js-content .let .title {
  font-size: 36px;
  background: url(../images/intro.png) no-repeat;
  background-size: 336px  66px;
  height: 90px;
  color: #011B25;
  font-weight: Bold;
  margin-bottom: 40px;
}
.cg-content {
  height: 1166px;
}
.cg-content .title {
  width: 487px;
  font-size: 36px;
  background: url(../images/service.png) no-repeat;
  background-size: 487px  120px;
  height: 120px;
  color: #011B25;
  font-weight: Bold;
  margin-bottom: 75px;
}
.swk {
  background-color: #ECF5FF;
}
.swk .swk-content {
  height: 473px;
}
.swk .swk-content .let {
  width: 264px ;
}
.swk .swk-content .let .t1 {
  font-size: 18px;
  color: #222A41;
}
.swk .swk-content .let .t2 {
  font-size: 34px;
  color: #459EFF;
  font-weight: bold;
}
.swk .swk-content .rig {
  width: 810px;
  padding: 31px 61px ;
  background-color: #fff;
  box-shadow: 0 0 10px 0 rgba(69, 158, 255, 0.2);
  position: relative;
}
.swk .swk-content .rig .l,
.swk .swk-content .rig .r {
  font-size: 36px;
  font-weight: bold;
}
.swk .swk-content .rig .l {
  position: absolute;
  top: 10px;
  left: 5px;
}
.swk .swk-content .rig .r {
  position: absolute;
  bottom: -10px;
  right: 5px;
}
.sc {
  background-color: #ECF5FF;
}
.sc .sc-content {
  height: 763px;
}
.sc .sc-content .t1 {
  font-size: 18px;
  color: #459EFF;
}
.sc .sc-content .t2 {
  font-size: 34px;
  color: #222A41;
  margin-top: 19px;
  font-weight: bold;
  margin-bottom: 20px;
}
.sc .sc-content .t3 {
  width: 915px;
  font-size: 18px;
  color: #6D7783;
  text-align: center;
}
.jc-content {
  height: 896px;
}
.jc-content .rig {
  width: 390px;
  margin-left: 17px;
}
.jc-content .rig .t1 {
  color: #222A41;
  font-size: 18px;
}
.jc-content .rig .t2 {
  color: #222A41;
  font-size: 34px;
  font-weight: bold;
  margin: 10px 0 20px 0;
}
.jc-content .rig .t3 {
  font-size: 18px;
}
.follow-up .t1 {
  font-size: 18px;
  color: #6D7783;
}
.follow-up .t2 {
  color: #222A41;
  font-size: 32px;
  font-weight: bold;
}
.follow-up .t3 {
  font-size: 15px;
  color: #6D7783;
  line-height: 24px;
}
.follow-up .item {
  margin-right: 150px;
}
.follow-up .item:last-child {
  margin-right: 0;
}
.follow-up .item .img {
  width: 250px;
}
.follow-up .item .bot {
  margin-top: 20px;
}
.follow-up .item .bot .text1 {
  font-size: 13px;
  text-align: center;
}
.follow-up .item .bot .text2 {
  font-size: 32px;
  line-height: 32px;
  text-align: center;
  color: #FB8302;
}
.shift .t1 {
  font-size: 18px;
  color: #6D7783;
}
.shift .t2 {
  color: #222A41;
  font-size: 32px;
  font-weight: bold;
}
.shift .t3 {
  font-size: 15px;
  color: #6D7783;
  line-height: 24px;
}
.shift .item {
  border: 1px solid #c2bfbf;
}
.shift .item .img {
  width: 344px;
}
.shift .item .bot {
  padding: 27px 34px;
}
.shift .item .bot .text1 {
  font-size: 13px;
}
.shift .item .bot .text2 {
  font-size: 32px;
  line-height: 32px;
  color: #459EFF;
}