#header {
  width: 100%;
  background-color: #ffffff;
  color: #333333;
  font-size: 16px;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  z-index: 999;
}

#header .main {
  width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}

#header .main i.xiaopao-logo {
  display: inline-block;
  width: 190px;
  height: 39px;
  background: url("../images/logo@2x.png") no-repeat center;
  background-size: 100% 100%;
}

#header .main ul.nav {
  display: flex;
  align-items: center;
}

#header .main ul.nav li.nav-item {
  margin: auto 25px;
  height: 40px;
  padding: 25px 0 15px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

#header .main ul.nav li.nav-item:hover a {
  color: #F42434;
}

#header .main ul.nav li.nav-item:hover a::after {
  transition: width .3s;
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background-color: #ED1731;
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  margin: 0 auto;
  border-radius: 2px;
}

#header .main ul.nav li.nav-item a {
  display: block;
  text-decoration: none;
  color: #333333;
  position: relative;
}

#header .main ul.nav li.nav-item a::after {
  transition: width .3s;
  content: '';
  display: block;
  width: 0;
  height: 3px;
  background-color: #ED1731;
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  margin: 0 auto;
  border-radius: 2px;
}

#header .main ul.nav li.nav-item a.active {
  color: #F42434;
}

#header .main ul.nav li.nav-item a.active::after {
  transition: width .3s;
  content: '';
  display: block;
  width: 10px;
  height: 3px;
  background-color: #ED1731;
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  margin: 0 auto;
  border-radius: 2px;
}

#header #solution-main {
  width: 100%;
  position: absolute;
  left: 0;
  top: 80px;
  z-index: 100;
  background-color: #ffffff;
  border-top: 1px solid #E5E5E5;
  padding-bottom: 50px;
  display: none;
  box-shadow: 0 20px 40px -20px #333333;
}

#header #solution-main table.solution-menu {
  width: 1124px;
  margin: 0 auto;
  text-align: center;
  color: #333333;
}

#header #solution-main table.solution-menu tr:first-of-type {
  border-bottom: 1px solid #E5E5E5;
}

#header #solution-main table.solution-menu tr:nth-of-type(2) {
  padding-top: 10px;
}

#header #solution-main table.solution-menu tr:nth-of-type(2) td {
  padding-top: 20px;
  cursor: pointer;
  font-size: 14px;
}

#header #solution-main table.solution-menu th {
  padding: 15px 0;
  font-size: 18px;
}

#header #solution-main table.solution-menu td {
  padding: 10px 0;
  cursor: pointer;
  font-size: 14px;
}

#header #solution-main table.solution-menu td:hover {
  color: #F42434;
}