引入字体

@font-face {
  font-family: "Gotham";
  src: url("../font/Gotham-Book.ttf") format("woff");
  font-display: swap;
  font-weight: normal;
}
@font-face {
  font-family: "Gotham";
  src: url("../font/Gotham-Bold.ttf") format("woff");
  font-display: swap;
  font-weight: bold;
}