*{
  margin: 0;
  padding: 0;
}
html,body{
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}
a {
  list-style: none;
  color: #fff;
  text-decoration: none;
}
img {
  width: 100%;
  height: 100%;
  font-size: 0;
  border: none;
  display: block;
}
div {
  box-sizing: border-box;
}
header .nav_warp .Logo {
  width: 60px;
  height: 40px;
}
header .nav_warp .nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  width: 657px;
  font-size: 18px;
}
header .nav_warp .nav .user {
  background-color: red;
  font-size: 12px;
  padding: 10px 20px;
  border-radius: 5px;
}
header .banner {
  position: relative;
}
header .nav_warp .nav .xuanZho {
  font-size: 24px;
}
header .banner .jianJie {
  position: absolute;
  top: 50%;
  left: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
  color: #fff;
}
header .banner .jianJie .t1 {
  font-size: 72px;
  letter-spacing:6px;
}
font{font-size: 12px;color:red; }

footer .box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 80px 0 50px;
}
footer .box .box1 .t1 {
  font-size: 58px;
  color: #e74040;
}
footer .box .box1 .t2 {
  font-size: 36px;
  color: #e74040;
  margin: 10px 0 5px;
}
footer .box .box1 .t3 {
  font-size: 18px;
  margin-bottom: 10px;
}
footer .box .box1 .t4 {
  font-size: 12px;
  display: flex;
  align-items: center;
}
footer .box .box1 .t4 .t45 {
  background-color: #e74040;
  color: #fff;
  padding: 5px 8px;
  border-radius: 5px;
  margin-right: 5px;
  font-size: 16px;
}
.t46{
  font-size: 18px;
}
footer .box .box2 {
  display: flex;
}
footer .box .box2 img {
  width: 172px;
  height: 172px;
  margin: 0 10px;
  padding: 4px;
}
footer .box .box2 span {
  display: block;
  text-align: center;
  font-size: 18px;
  padding-top: 6px;
}