/* css初始化 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body,
html {
  width: 100%;
  height: 100%;
  font-family: Arial, Helvetica, sans-serif,'Microsoft YaHei';
}
a {
  text-decoration: none;
  color: inherit;
}

.header {
  height: 62px;
  display: flex;
  align-items: center;
}
.header .logo {
  width: 80px;
  height: 35px;
  margin-left: 50px;
}
.header .nav {
  margin-left: 70px;
  display: flex;
  align-items: center;
}
.header .nav span {
  margin-right: 50px;
  font-size: 20px;
  color: #666666;
  cursor: pointer;
  position: relative;
}
.header .nav span::after {
  content: " ";
  position: absolute;
  left: 0;
  bottom: -8px;
  right: 0;
  width: 30px;
  margin: 0 auto;
  height: 3px;
  border-radius: 4px;
  background-color: #fff;
}
.header .nav .active {
  color: #ffb30f;
}
.header .nav .active::after {
  background-color: #ffb30f;
}

.footer {
  width: 100%;
  padding-top: 50px;
  padding-bottom: 30px;
  background-color: #333333;
}
.footer-content {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-content-item {
  display: flex;
  justify-content: center;
}
.footer-content-item img {
  width: 70px;
  height: 70px;
  margin-right: 15px;
}
.footer-content-item-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.footer-content-item-info-text {
  color: #d5d5d5;
  font-size: 16px;
  margin-bottom: 8px;
}
.footer-content-item-info-text:last-child {
  margin-bottom: 0;
}
.footer-info {
padding-top: 30px;
  text-align: center;
  color: #C0C0C0;
  font-size: 16px;
  background: #333333;
}