html,
body {
  line-height: 1;
}
/* header {
  position: fixed;
  width: 100%;
  min-width: 1200px;
  z-index: 10;
  top: 0;
  height: 70px;
  line-height: 70px;
  font-size: 15px;
  border-bottom: 1px solid #686868;
  -webkit-transition: background-color 0.6s ease-in, color 0.7s ease-in;
  -o-transition: background-color 0.6s ease-in, color 0.7s ease-in;
  -moz-transition: background-color 0.6s ease-in, color 0.7s ease-in;
  transition: background-color 0.6s ease-in, color 0.7s ease-in;
}
header ol a {
  white-space: nowrap;
}
header.mybg {
  background-color: #fff;
  border-bottom: none;
  -webkit-box-shadow: 3px 2px 5px 1px rgba(190, 190, 190, 0.28);
  -moz-box-shadow: 3px 2px 5px 1px rgba(190, 190, 190, 0.28);
  box-shadow: 3px 2px 5px 1px rgba(190, 190, 190, 0.28);
}
header.mybg li {
  color: #333;
}
header.mybg li a {
  color: #333;
}
header.mybg ol {
  background-color: rgba(0, 0, 0, 0.5);
}
header.mybg ol li a {
  color: #fff;
}
header ul {
  vertical-align: middle;
  color: #fff;
}
header ul li {
  position: relative;
  display: inline-block;
  margin-right: 6%;
}
header ul li:hover ol {
  height: auto;
  opacity: 1;
}
header ul li ol {
  height: 0;
  overflow: hidden;
  opacity: 0;
  position: absolute;
  top: 70px;
  line-height: 45px;
  min-width: 80px;
  left: 50%;
  padding: 0 7px;
  -webkit-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
  -webkit-transform: translate3d(-50%, 0, 0);
  -moz-transform: translate3d(-50%, 0, 0);
  transform: translate3d(-50%, 0, 0);
}
header ul li ol li {
  width: 100%;
  margin-right: 0;
}
header ul a {
  text-align: center;
  color: #fff;
  display: inline-block;
  width: 100%;
  position: relative;
}
header ul a:last-child {
  margin-right: 0;
}
header ul.fr {
  margin-right: 3%;
  width: auto;
}
header ul.fr a {
  width: auto;
}
header ul.fr li {
  margin-right: 0;
}
header ul.fr i {
  font-style: normal;
  display: inline-block;
  margin: 0 14px;
}
header img {
  float: left;
  margin: 15px 5.8% 0 7.65%;
}
header a {
  color: #333;
  text-decoration: none;
} */
body {
  background-color: #F7F7F7;
}
nav {
  position: relative;
  height: 420px;
  margin-top: 70px;
  -webkit-background-size: auto 100% !important;
  -moz-background-size: auto 100% !important;
  -o-background-size: auto 100% !important;
  background-size: auto 100% !important;
  -webkit-background-size: cover !important;
  -moz-background-size: cover !important;
  -o-background-size: cover !important;
  background-size: cover !important;
}
nav img {
  display: block;
  width: 100%;
}
nav div {
  position: absolute;
  left: 50%;
  top: 145px;
  color: #fff;
  margin-left: -490px;
}
nav div h5 {
  font-size: 40px;
}
nav div p {
  font-size: 14px;
  margin: 17px 0 55px 0;
}
nav div a {
  display: inline-block;
  width: 138px;
  height: 33px;
  border: 1px solid #fff;
  text-align: center;
  line-height: 33px;
  font-size: 14px;
  color: #fff;
}
section {
  font-size: 14px;
  width: 1200px;
  margin: 36px auto;
  background-color: #fff;
  padding: 45px 50px 0 50px;
  color: #333;
}
section h1 {
  font-size: 18px;
  font-weight: normal;
  padding-bottom: 24px;
  border-bottom: 1px solid #EEE;
}
section h1:before {
  content: "";
  display: inline-block;
  height: 20px;
  width: 5px;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  background-color: #436FF1;
  vertical-align: sub;
  margin-right: 9px;
}
section .difficulty {
  margin: 16px 0 45px 0;
}
section .difficulty li {
  line-height: 2;
  padding-left: 14px;
  position: relative;
}
section .difficulty li:before {
  display: inline-block;
  content: "";
  width: 6px;
  height: 6px;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  background-color: #436FF1;
  margin-left: -10px;
  position: absolute;
  left: 10px;
  top: 11px;
}
section .management > p {
  margin: 16px 0 45px 0;
  line-height: 28px;
  text-align: justify;
}
section .solution {
  margin: 40px 0 14px 0;
}
section .solution:after {
  content: "";
  display: block;
  clear: both;
}
section .solution > li {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  width: 245px;
  height: 200px;
  padding: 30px 25px 0 25px;
  -webkit-box-shadow: 4px 3px 14px 1px rgba(153, 153, 153, 0.2);
  -moz-box-shadow: 4px 3px 14px 1px rgba(153, 153, 153, 0.2);
  box-shadow: 4px 3px 14px 1px rgba(153, 153, 153, 0.2);
  float: left;
  margin-right: 40px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  border-radius: 10px;
  margin-bottom: 36px;
  text-align: justify;
}
section .solution.h225 > li{
  height: 225px;
}

section .solution.h225 > li li{
  line-height:20px;  
}
section .solution.h150 > li{
  height: 200px;
}
section .solution.w333{
  margin-right: -50px;
}
section .solution.w333 > li{
  width: 333px;
  margin-right: 50px;
}
section .solution > li:last-child{
  margin-right: 0;
}
section .solution > li h2 {
  font-size: 17px;
  color: #436FF1;
  font-weight: bold;
}
section .solution > li li {
  font-size: 13px;
  color: #373D41;
  line-height: 1.5;
}
section .solution > li ol {
  margin-top: 17px;
}
section .scenes {
  height: 196px;
  margin: 36px 0 50px 0;
}
section .scenes:before{
  content: "";
  vertical-align: middle;
  width: 1px;
  display: inline-block;
  height: 100%;
}
section .scenes ul {
  margin-left: 44px;
  display: inline-block;
  vertical-align: middle;
}
section .scenes li {
  color: #FAFAFA;
  font-size: 16px;
  line-height: 32px;
}
section .scenes li:before {
  display: inline-block;
  content: "";
  width: 6px;
  height: 6px;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  background-color: #FAFAFA;
  vertical-align: middle;
  margin-right: 8px;
}
section:after {
  content: "";
  display: block;
  height: 1px;
}