.header .logo {
  /*background-color: #dfff46;*/
  width: 390px;
  height: 70px;
  padding: 10px 10px 10px 0;
  float: left;
}
.header .logo img {
  width: 50px;
  height: 50px;
  margin-right: 10px;
  float: left;
}
.header .logo strong {
  font-size: 20px;
  color: #000;
}
.header .nav {
  width: 790px;
  height: 90px;
  /*background-color: #e77e7b;*/
  float: right;
}
.header .nav ul {
  width: 790px;
  height: 90px;
}
.header .nav ul li {
  float: left;
}
.header .nav ul li a {
  display: block;
  line-height: 90px;
  text-align: center;
  margin-right: 20px;
  margin-left: 20px;
  font-size: 14px;
}
.header .nav ul li:nth-child(1) a {
  margin-left: 110px;
}
.header .nav ul li a:hover {
  color: #1e82e8;
  border-bottom: 1px solid #1e82e8;
}
.header .usabout {
  position: relative;
}
.header .nav .disp {
  display: none;
  position: relative;
  left: 180px;
  /*top: 5px;*/
  background-color: #1e82e8;
  width: 160px;
  height: 100px;
  z-index: 9;
}
.header .nav .disp a {
  display: block;
  width: 160px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  font-size: 16px;
  color: white;
}
.header .nav .displ {
  display: none;
  position: relative;
  left: 280px;
  background-color: #1e82e8;
  width: 160px;
  height: 150px;
  z-index: 9;
}
.header .nav .displ a {
  display: block;
  width: 160px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  font-size: 16px;
  color: white;
}
.swiper {
  width: 100%;
  height: 550px;
  background-color: #3c3c3c;
  margin-top: 10px;
  overflow: hidden;
  position: relative;
}
.swiper .box {
  width: 400%;
  height: 100%;
}
.swiper .box img {
  width: 25%;
  height: 550px;
  float: left;
}
.btns {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  margin: auto;

  width: 300px;
  height: 10px;
}
.btns li {
  width: 20%;
  height: 70%;
  float: left;
  background-color: #d0d0d0;
  margin-left: 3%;
  cursor: pointer;
  box-shadow: 0 0 2px #000;
}
.btns li:nth-child(1) {
  background-color: #555;
}

.rightfix {
  width: 54px;
  height: 270px;
  position: fixed;
  right: 0;
  top: 40%;
  z-index: 9;
  background-color: rgb(131, 155, 168);
}
.rightfix li {
  width: 54px;
  height: 54px;
  position: relative;
  transition: all 1s ease;
}
.rightfix li a {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  display: block;
  width: 30px;
  height: 30px;
  background-image: url('../imgs/sprite.png');
  background-position: 30px -80px;
}
.rightfix li:nth-of-type(2) a{
  background-position: 30px -40px;
}
.rightfix li:nth-of-type(3) a{
  background-position: 30px -147px;
}
.rightfix li:nth-of-type(4) a{
  background-position: 30px 0;
}
.rightfix li:nth-of-type(5) a{
  background-position: 30px -264px;
}
.rightfix li:hover {
  background-color: rgb(21, 24, 29);
}
.rightfix .firer:hover img {
  display: block;
}
.rightfix .firer img {
  display: none;
  position: absolute;
  right: 40px;
  top: -20px;
}
.rightfix .qq:hover {
  /*transform: translate(-55px);*/
}