/*
* description: 布局 公共样式
* author: stt
* time: 2019-10-28
*/
.wrapper {
  min-width: 1348px;
}
.header {
  width: 100%;
  height: 76px;
  background-color: #1b1b1b;
}
.header .header-constraint {
  max-width: 1920px;
  height: 100%;
  margin: auto;
}
.header .logo {
  margin: 0 68px 0 61px;
  float: left;
  width: 165px;
  height: 100%;
  background: url(../png/logo.png) no-repeat center;
}
.header .navigator li {
  float: left;
  font-size: 14px;
  padding: 0 1.5%;
  position: relative;
}
.header .navigator li .sub-menu {
  width: 100%;
  position: absolute;
  top: 76px;
  left: 0;
  height: 0;
  background-color: #fff;
  padding: 0 10px;
  overflow: hidden;
  transition: height 0.3s;
  border-width: 0 1px;
  border-color: transparent;
  border-style: solid;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}
.header .navigator li .sub-menu .sub-menu-item {
  height: 30px;
  margin-top: 6px;
}
.header .navigator li .sub-menu .sub-menu-item a {
  font-size: 12px;
  color: #2b2929;
  line-height: 30px;
}
.header .navigator li .sub-menu .sub-menu-item a:hover {
  text-decoration: none;
  color: #f19741;
}
.header .navigator li .sub-menu .sub-menu-item + .sub-menu-item {
  border-top: 1px solid #f1f1f1;
  margin-top: 0;
}
.header .navigator li:hover .sub-menu {
  height: 72px;
  border-width: 0 1px 1px 1px;
  border-color: #f2f2f2;
}
.header .navigator li a {
  font-size: 14px;
  color: #cbcccc;
  line-height: 76px;
}
.header .navigator li:hover a {
  color: #f19741;
  text-decoration: none;
}
.header .links {
  float: right;
  height: 100%;
}
.header .links .app-download {
  position: relative;
  width: 95px;
  margin-right: 44px;
  display: inline-block;
  cursor: pointer;
}
.header .links .app-download span {
  font-size: 14px;
  color: #cbcccc;
  line-height: 76px;
}
.header .links .app-download .icon-download {
  margin-right: 9px;
  vertical-align: text-top;
  display: inline-block;
  width: 16px;
  height: 17px;
  background: url(../png/icon-download.png) no-repeat center;
}
.header .links .app-download .app-download-qrcode {
  position: absolute;
  width: 103px;
  height: 0;
  top: 72px;
  left: -6px;
  background: url(../png/pic-qr-code.png) no-repeat;
  transition: all 0.3s;
}
.header .links .app-download:hover span {
  color: #f19741;
}
.header .links .app-download:hover .icon-download {
  background: url(../png/icon-download-hover.png) no-repeat center;
}
.header .links .app-download:hover .app-download-qrcode {
  height: 103px;
}
.header .links .seek-cooperation {
  margin-right: 42px;
  height: 100%;
  display: inline-block;
  cursor: pointer;
  position: relative;
}
.header .links .seek-cooperation span {
  font-size: 14px;
  line-height: 76px;
  color: #cbcccc;
}
.header .links .seek-cooperation .icon-arrow-down {
  margin-left: 9px;
  font-style: normal;
  display: inline-block;
  border-top: #fff 7px solid;
  border-left: transparent 3px solid;
  border-right: transparent 3px solid;
  border-bottom: transparent 1px solid;
  transition: all 0.3s;
}
.header .links .seek-cooperation .seek-cooperation-links {
  position: absolute;
  top: 76px;
  left: -10px;
  width: 95px;
  height: 0;
  overflow: hidden;
  background-color: #fff;
  padding: 0 10px;
  transition: height 0.3s;
  border-width: 0 1px;
  border-color: transparent;
  border-style: solid;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}
.header .links .seek-cooperation .seek-cooperation-links li {
  margin-top: 10px;
  padding: 10px 0 0;
}
.header .links .seek-cooperation .seek-cooperation-links li a {
  font-size: 12px;
  color: #2b2929;
}
.header .links .seek-cooperation .seek-cooperation-links li a:hover {
  text-decoration: none;
  color: #f19741;
}
.header .links .seek-cooperation .seek-cooperation-links li + li {
  border-top: 1px solid #f1f1f1;
}
.header .links .seek-cooperation:hover span {
  color: #f19741;
}
.header .links .seek-cooperation:hover .icon-arrow-down {
  margin-left: 9px;
  font-style: normal;
  display: inline-block;
  border-top: transparent 1px solid;
  border-left: transparent 3px solid;
  border-right: transparent 3px solid;
  border-bottom: #f19741 7px solid;
}
.header .links .seek-cooperation:hover .seek-cooperation-links {
  height: 170px;
  border-width: 0 1px 1px 1px;
  border-color: #f2f2f2;
}
.footer {
  background-color: #000;
  width: 100%;
  height: 341px;
  position: relative;
}
.footer .footer-constraint {
  height: 100%;
  margin: auto;
  max-width: 1540px;
  position: relative;
  overflow: hidden;
}
.footer .footer-constraint .footer-decoration-left {
  position: absolute;
  width: 244px;
  height: 310px;
  top: -70px;
  left: -50px;
  background: url(../png/pic-torreya-grandis.png) no-repeat;
}
.footer .footer-constraint .footer-decoration-right {
  position: absolute;
  width: 202px;
  height: 168px;
  bottom: 0;
  right: 0;
  background: url(../png/pic-almond.png) no-repeat;
}
.footer .footer-content {
  position: absolute;
  top: 20px;
  width: 880px;
  left: 50%;
  margin-left: -440px;
}
.footer .footer-content a {
  color: #fff;
}