* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "roboto", sans-serif;
}
:root {
  --dark-green-color: #00727a;
  --light-green-color: #57bba6;
  --dark-pink-color: #e84769;
  --light-pink-color: #f08496;
  --white-color: #ffffff;
  --primary-text-color: #333333;
  --sub-text-color: #666666;
  --sub-header-text-color: #d6d6d6ec;
  --transiton: all 0.3s linear;
}
.section {
  padding: 5% 10%;
}
.sticky {
  position: fixed !important; /* Cố định header */
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  background-color: var(--dark-green-color) !important;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1) !important;
}
.title {
  position: relative;
  font-family: "Roboto", serif;
  color: var(--dark-green-color);
  margin-bottom: 2rem;
  width: fit-content;
}
.title::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0;
  width: 40%;
  height: 100%;
  border-bottom: var(--light-pink-color) 5px solid;
  z-index: -1;
}
.description {
  text-indent: 2em;
  font-family: "Roboto", serif;
  color: var(--sub-text-color);
  margin-bottom: 2rem;
}
.btn {
  text-decoration: none;
  padding: 0.5rem 1rem;
  outline: none;
  background-color: transparent;
  border: none;
  font-family: "Roboto", serif;
  font-size: 1rem;
  border-radius: 2px;
  cursor: pointer;
}
.btn-outline {
  color: var(--dark-green-color);
  border: 1px solid var(--dark-green-color);
  transition: var(--transiton);
}
.btn-outline:hover {
  color: var(--white-color);
  background-color: var(--dark-green-color);
}
.btn-contained {
  color: var(--white-color);
  background-color: var(--dark-green-color);
  border: 1px solid var(--light-green-color);
  transition: var(--transiton);
}
.btn-contained:hover {
  background-color: var(--light-green-color);
  color: var(--dark-green-color);
}
.product-right {
  padding: 0 2rem;
}
.introduce-right {
  padding: 0 2rem;
}