/*页面总宽度*/

html,

body {

  background: none !important;
  min-width: 1440px;


}

#wrap {

  width: 100%;

  min-width: 1280px;

  margin: 0 auto;

  overflow: hidden;

}

/*主体内容宽度*/

.w {

  width: 1000px;

  margin: 0 auto;

  overflow: hidden;

}

/*头部区域*/

.header {

  position: relative;

}

.top {

  position: absolute;

  z-index: 9;

  top: 0;

  width: 1000px;

  left: 50%;

  transform: translateX(-50%);

}

.top {

  height: 72px;

  display: flex;

  align-items: center;

  justify-content: space-between;

}

.top .logo {

  cursor: pointer;

}

.top .nav1 {

  display: flex;

}

.top .nav1 li a {

  display: block;

  padding: 0 16px;

  height: 40px;

  line-height: 40px;

  font-size: 18px;

  color: #fff;

  text-align: center;

  background: #999;

  transition: all 0.3s;

}

.top .nav1 li a.on,

.top .nav1 li a:hover {

  background: #888;

}

/*banner*/

.banner img {

  display: block;

  width: 100%;

  vertical-align: bottom;

}

/*nav2*/

.nav2_bg {

  background: #777;

  height: 50px;

  width: 100%;

}

.nav2 {

  display: flex;

  justify-content: space-between;

}

.nav2 li a {

  display: block;

  width: 150px;

  height: 50px;

  line-height: 50px;

  font-size: 22px;

  color: #fff;

  text-align: center;

  background: #999;

  box-shadow: 0px 0px 0px 0px #000;

}

.nav2 li a.on,

.nav2 li a:hover {

  background: #888;

}

/*main*/

.main {

  min-height: 300px;

}

/*title*/

.title {

  text-align: center;

}

.block {

  display: block;

}

/*版权*/

.copyright {

  margin: 50px auto 0;

  width: 100%;

  height: 50px;

  line-height: 50px;

  text-align: center;

  color: #fff;

  font-size: 12px;

  /* background: #555; */

}

/*回到顶部*/

#goToTop {

  position: fixed;

  right: 20px;

  z-index: 9000;

  bottom: 30px;

}

#goToTop a {

  background: none repeat scroll 0 0 #ddd;

  border: 1px solid #cccccc;

  border-radius: 3px;

  -webkit-border-radius: 50px;

  color: #ff9966;

  font-size: 14px;

  text-decoration: none;

  text-shadow: 0 1px 0 #999;

  -webkit-text-shadow: 0 1px 0 #999;

}

#goToTop a {

  padding: 10px;

  display: inline-block;

  letter-spacing: 10px;

  text-align: center;

}

#goToTop a:hover {

  background: none repeat scroll 0 0 #999;

}
@media screen  {
  
}