* {
  box-sizing: border-box;
}
html,
body {
  overflow-x: hidden;
}
body {
  font-family: "Noto Sans SC", sans-serif;
  background-color: #f9f9f9;
  color: #333;
}
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url("assets/img/hero.jpg") center/cover
      no-repeat;
  color: white;
  padding: 120px 0;
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  font-weight: bold;
}
.btn-custom {
  background-color: #4caf50;
  color: white;
  border: none;
}
.btn-custom:hover {
  background-color: #45a049;
}
.section-title {
  font-weight: bold;
  font-size: 2rem;
  color: #2196f3;
}
.icon-feature i {
  font-size: 2rem;
  color: #4caf50;
}
footer {
  background-color: #222;
  color: #eee;
  padding: 40px 0;
}
footer a {
  color: #eee;
  margin-right: 15px;
  text-decoration: none;
}
footer a:hover {
  color: #4caf50;
}