html,
body {
  height: 100%;
  width: 100%;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons",
    "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI",
    "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans",
    "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  font-weight: 400;
  margin: 0;
}

a {
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
  color: #474157;
}

a:hover,
a:focus {
  color: #474157;
}

hr {
  max-width: 100px;
  margin: 25px auto 0;
  border-width: 1px;
  border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
  border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 200;
  letter-spacing: 1px;
}

p {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 20px;
}

#mainbody {
  position: relative;
  width: 100%;
  min-height: auto;
  overflow-y: hidden;
  background: #fff;
  color: #474157;
  min-height: 100vh;
}

#mainbody > .container > .text-center {
  text-align: center;
  padding: 350px 0 50px;
  position: relative;
  height: 100vh;
}

#mainbody > .container > .text-center h1 {
  font-size: 50px;
  font-weight: bold;
  color: #171347;
}

#mainbody > .container > .text-center > a {
  background: #fdcc52;
  background: -webkit-linear-gradient(#fdcc52, #fdc539);
  background: linear-gradient(#fdcc52, #fdc539);
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 300px;
  margin-top: 20px;
  padding: 10px 45px;
  font-size: 14px;
  text-decoration: none;
}

@media (max-height: 500px) {
  #mainbody {
    height: inherit;
  }
}

@media (min-width: 768px) {
  .navbar-default {
    background-color: transparent;
    border-color: transparent;
  }

  #mainbody .index-text {
    text-align: left;
  }
}

@media (max-width: 767px) {
  #mainbody > .container > .text-center {
    padding: 130px 0 0 0;
    height: calc(100vh - 261px);
  }

  #mainbody > .container > .text-center > h1 {
    font-size: 50px;
    margin-bottom: 20px;
  }
}

.footer {
  background-color: #222222;
  padding: 20px 0;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
}

.footer p {
  font-size: 14px;
  margin: 0;
}
.banner {
  padding-top: 50px;
  width: 100%;
  height: 1240px;
  background-image: url("../img/banner.png");
  background-size: cover;
}
.banner .top {
  height: 100px;
  background: #ffffff;
  box-shadow: 0px 4px 20px 1px rgba(0, 82, 212, 0.15);
  border-radius: 15px 15px 15px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
}
.main-title {
  margin-top: 225px;
}
.btn {
  width: 580px;
  height: 58px !important;
  background-image: url("../img/Button.png");
  background-repeat: no-repeat;
  margin-bottom: 166px;
}

.about {
  background-image: url("../img/about.png");
  margin-top: 100px;
  height: 424px;
  background-repeat: no-repeat;
}
.about .right {
  margin-left: 612px;
  padding: 43px 12px 0 0;
}
.about .right .about-text {
  margin-top: 53px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 16px;
  color: #393e46;
  line-height: 4;
  text-align: left;
  font-style: normal;
  text-transform: none;
}
.main-title2 {
  margin: 100px auto 60px;
  text-align: center;
}
footer {
  margin-top: 100px;
  height: 86px;
  background: #cde4ff;
  border-radius: 0px 0px 0px 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}