:root {
  --primary-bg-color: #003bbb;
  --primary-color: #b63120;
  --primary-n-color: #209346;
  --primary-w-color: #b63120;
}

*:before, *:after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

.hero {
  background: var(--primary-bg-color);
  color: var(--primary-color);
  transition: all .16s ease-in-out;
  background-image: url(../images/wangqiuchang-2.png);
  background-repeat: no-repeat;
  background-position: 100px 50px;
  height: 820px;
}
.paodao {  background: var(--primary-w-color);transition: all .16s ease-in-out;}
.puzhuang {  background: var(--primary-n-color);transition: all .16s ease-in-out;width: 726px;height: 337px;position: absolute;top: 371px;left: 407px;background-image: url(../images/wangqiuchang.png);background-repeat: no-repeat;}
.color {  background: var(--primary-color);transition: all .16s ease-in-out;}