@charset "utf-8";
body {
  font-family: 'Microsoft Yahei', 'SimSun';
  font-size: 16px;
  color: #fff;
}

a {
  color: #fff;
}

a:hover {
  text-decoration: none;
  color: #fff !important;
}

#page {
  /* max-width: 1920px;
	min-width: 1400px; */
  width: 100%;
  background: url('images/body.jpg') no-repeat center top;
  position: relative;
  overflow: hidden;
}

#page .box {
  width: 1400px;
  height: 1998px;
  position: relative;
  margin: 0px auto;
}

#nav {
  position: absolute;
  width: 100%;
  top: 705px;
  text-align: center;
  font-size: 0;
}

#nav .btn {
  display: inline-block;
  vertical-align: top;
  width: 19.2%;
  font-size: 16px;
  margin: 0px 0.2%;
}

#nav .btn .main {
  border: 1px solid #fff;
  border-radius: 33px;
  cursor: pointer;
  transition: background 0.2s;
}

#nav .btn .main a {
  padding-top: 11px;
  display: block;
  width: 100%;
  height: 56px;
}

#nav .btn .main h4 {
  font-weight: normal;
  font-size: 21px;
  line-height: 24px;
  height: 24px;
  opacity: 0.8;
}

#nav .btn .main p {
  font-size: 17px;
  line-height: 20px;
  height: 20px;
  opacity: 0.8;
}

#nav .btn .main:hover {
  background: #fff;
}

#nav .btn .main:hover,
#nav .btn .main:hover a {
  color: #04388a !important;
}

#nav .btn ul {
  opacity: 0;
  height: 0px;
  overflow: hidden;
  transition: all 0.8s;
}

#nav .btn li {
  margin-top: 6px;
  border: 1px solid #fff;
  height: 38px;
  border-radius: 20px;
  line-height: 38px;
  transition: background 0.2s;
}

#nav .btn li a {
  display: block;
  width: 100%;
  height: 100%;
}

#nav .btn li:hover {
  background: #fff;
}

#nav .btn li:hover,
#nav .btn li:hover a {
  color: #04388a !important;
}

#nav .btn:hover ul {
  opacity: 1;
  height: auto;
}

#computer {
  position: absolute;
  left: 20px;
  top: 1086px;
  width: 594px;
  height: 510px;
  background: url('images/computer.png');
}

#computer .photo {
  position: absolute;
  width: 100%;
  height: 356px;
  left: 0px;
  top: 0px;
  border-radius: 11px 11px 0px 0px;
  overflow: hidden;
}

#computer .photo .play {
  position: absolute;
  width: 101px;
  height: 101px;
  background: url('images/play.png');
  left: 50%;
  top: 50%;
  margin: -50px 0px 0px -50px;
}

#text {
  position: absolute;
  right: 20px;
  top: 1090px;
  width: 615px;
  font-size: 22px;
  line-height: 26px;
}

#text p {
  margin-bottom: 25px;
  text-indent: 2em;
  text-align: justify;
}

#footer {
  position: absolute;
  left: 0px;
  bottom: 75px;
  width: 100%;
  line-height: 20px;
  text-align: center;
  color: #fff;
  opacity: 0.5;
}

@media screen and (max-width: 1400px) {
  #page {
    min-width: 1240px;
  }
  #page .box {
    width: 1240px;
  }
  #computer {
    left: 0px;
  }
  #text {
    right: 0px;
  }
  #nav .btn .main h4 {
    font-size: 18px;
  }
  #nav .btn .main p {
    font-size: 15px;
  }
  #nav .btn li {
    font-size: 14px;
  }
  #text {
    font-size: 20px;
    width: 545px;
  }
}