* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/*首页*/
#header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  width: 100%;
  height: 76px;
  z-index: 5;
}
.header-box {
  width: 100%;
  height: 100%;
  padding: 0 30px;
  font-size: 16px;
  font-family: AlibabaPuHuiTi_2_65_Medium;
  color: #ffffff;
  background: transparent;
}
.header-box a {
  color: #ffffff;
}
.light-header-box,
.light-header-box a,
.light-header-box .nav-btn > a,
.light-header-box .project-name a {
  color: rgba(16, 26, 43, 1);
}
.project-name {
  font-size: 28px;
  line-height: 76px;
  font-family: YouSheBiaoTiHei;
}
.project-name > span {
  padding-right: 4px;
}
.project-name a {
  color: #ffffff;
}

.sysTitle {
  margin-top: 30px;
  font-size: 30px;
  font-family: AlibabaPuHuiTi_2_65_Medium;
  text-align: center;
}


/*-----------悬浮后样式 start-----------*/
.header-box:hover {
  color: rgba(16, 26, 43, 1);
  background: #ffffff;
}
.header-box:hover a {
  color: rgba(16, 26, 43, 1);
}
.header-box:hover .project-name span,
.light-header-box .project-name span {
  color: rgba(0, 95, 255, 1);
}
.header-box:hover .nav-btn,
.light-header-box .nav-btn {
  border: 1px solid rgba(16, 26, 43, 1);
}
.header-box:hover .down-arrow,
.light-header-box .down-arrow {
  background: url("../../images/down-arrow-black.png") no-repeat;
  background-size: 100% 100%;
}
.header-box:hover .telephone-icon,
.light-header-box .telephone-icon {
  background: url("../../images/telephone-black.png") no-repeat;
  background-size: 100% 100%;
}
/*-----------悬浮后样式 end-----------*/