@font-face {
  font-family: Proxima Nova;
  src: url(../font/roboto_regular.ttf);
}
html,body {
  font-size: 16px;
  font-family: "Proxima Nova", 'Times New Roman', Times, serif, Arial, sans-serif;
  color: #2E3D62;
}
html,
body,
ul,
li,
p {
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
  display: flex;
}
a {
  color: #2E3D62;
  text-decoration: none;
  font-size: 25px;
}
img {
  outline-style:none;
  border: none;
  padding: 0;
  margin: 0;
}
p {
  line-height: 1;
}
.c {
  width: 1128px;
  margin: 0 auto;
  padding: 0 5px;
  box-sizing: border-box;
}
.clear::before,
.clear::after {
  content: '';
  display: table;
}
.clear::after {
  clear: both;
}
header {
  width: 100%;
  min-width: 1128px;
  position: fixed;
  top: 0;
  background-color: #FFFFFF;
  z-index: 1000;
}
.header_d {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  box-sizing: border-box;
}
.logo {
  width: 200px;
  display: block;
}
/* .banner {
  height: 100%;
  background-image: url(../img/banner.jpg);
  background-size: cover;
  background-repeat: no-repeat;
} */
.banner>img {
  width: 100%;
  position: fixed;
  z-index: -1;
}
.banner_section {
  padding-top: 70px;
  box-sizing: border-box;
  position: relative;
}
.about_section {
  width: 100%;
  min-width: 1128px;
  background-color: #ECEFF3;
  padding-top: 50px;
  padding-bottom: 100px;
  box-sizing: border-box;
}
.about_d {
  display: flex;
  justify-content: space-between;
}
.about_title {
  font-size: 48px;
  font-weight: bold;
  color: #1D1E20;
}
.about_d>p {
  width: 65%;
  color: #0D131A;
  line-height: 1.5;
}

.server_section {
  width: 100%;
  min-width: 1128px;
  background-color: #ECEFF3;
  padding-bottom: 60px;
  box-sizing: border-box;
}
.server_section>div {
  display: flex;
  justify-content: space-between;
}
.server_title {
  font-size: 36px;
  font-weight: bold;
  color: #0D131A;
  margin-bottom: 30px;
}
.server_img {
  width: 640px;
  display: block;
  margin-right: 50px;
}
.server_r {
  padding-top: 100px;
  box-sizing: border-box;
}
.server_desc {
  margin-bottom: 20px;
}

.innovate_section {
  width: 100%;
  min-width: 1128px;
  background-color: #ECEFF3;
  padding-bottom: 100px;
  box-sizing: border-box;
  height: 400px;
  z-index: 10;
  position: relative;
}
.innovate_img_1 {
  width: 450px;
  height: 300px;
  display: block;
}
.innovate_img_2 {
  width: 269px;
  height: 300px;
  display: block;
}
.innovate_section>div {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.innovate_img_d {
  display: flex;
  width: 719px;
  height: 300px;
  background-color: #ECEFF3;
  opacity: 0;
  transition-property: transform, opacity;
  transform: translateY(20%);
}
.innovate_img_load {
  transition-delay: .1s;
  transition-timing-function: ease;
  transition-duration: .65s;
  opacity: 1;
  transform: translate(0);
}
.innovate_title {
  font-size: 36px;
  font-weight: bold;
  color: #0D131A;
  margin-bottom: 30px;
}
.p_height {
  line-height: 1.3;
}
.contact_title {
  font-size: 48px;
  font-weight: bold;
  color: #0D131A;
  margin-bottom: 30px;
}
.contact_senction {
  width: 100%;
  min-width: 1128px;
  background-color: #FFFFFF;
  padding-top: 90px;
  padding-bottom: 100px;
  box-sizing: border-box;
}
.contact_senction>div {
  display: flex;
  justify-content: space-between;
}
.info {
  width: 550px;
}
.info label {
  color: #0D131A;
}
.info input {
  width: 100%;
  padding: 16px;
  box-sizing: border-box;
  color: #0D131A;
  border-radius: 5px;
  border: 1px solid rgb(209, 207, 207);
}
form div {
  margin-bottom: 20px;
}
textarea {
  min-height: 96px;
  width: 100%;
  padding: 16px;
  box-sizing: border-box;
}
.btn {
  width: 135px;
  height: 52px;
  line-height: 52px;
  text-align: center;
  background-color: #176BE0;
  color: #FFFFFF;
  border-radius: 5px;
  border-color: #176BE0;
  font-weight: bold;
}

footer {
  width: 100%;
  min-width: 1128px;
  background-color: #ECEFF3;
  padding: 30px 0;
  box-sizing: border-box;
}
footer p {
  text-align: center;
}

@media screen and (min-width: 920px) {
  .banner_section {
    height: 700px;
  }
}
@media screen and (min-width: 500px) and (max-width: 620px) {
  .banner_section {
    height: 350px;
  }
}
@media screen and (min-width: 600px) and (max-width: 920px) {
  .banner_section {
    height: 500px;
  }
}
@media screen and (max-width: 500px) {
  .banner_section {
    height: 300px;
  }
}