/*页面总宽度*/
html,
body {
  background: none !important;
}
#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: 0px 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;
}
