body {
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

header nav {  
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  font-family: Montserrat, sans-serif;
}

#navbar-taishanfcny-logo {
  width: 100px;
  height: auto;
  cursor: pointer;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  text-decoration: none;
  color: #000;
  opacity: 0.5;
  font-weight: 600;
}

header nav ul li a:hover {
  color: #143956;
  opacity: 1;
}

header nav button {
  background-color: #fff;
  color: #143956;
  border: 2px solid #143956;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 750px) {
  header nav ul {
    display: none;
  }

  header nav button {
    margin-left: auto;
  }
}

section {
  margin-left: calc(2rem + 15px);
}

#homepage-taishanfcny-team-picture {
  display: block;
  width: 80%;
  max-width: 700px;
  height: 500px;
  margin: 0 auto;
  border-radius: 15px;
}

#team p {
  margin: 0.75rem auto 0 auto;
  max-width: 700px;
  font: 700 18px 'Montserrat', sans-serif;
  color: #143956;
}

#shop ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 2rem;
  padding: 0;
  margin: 2rem 0;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

#shop li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  aspect-ratio: 1/1;
  border: 3px solid #000;
  border-radius: 15px;
  padding: 2rem;
  width: 200px;
  background: #fff;
  padding: 1.25rem;
  border-radius: 10px;
}

#shop li h3{
  margin-bottom: 0 0 1rem 0;
}

#shop li a{
  display: inline-block;
  background: #33849b;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 900px;
  font-weight: 600;
  text-decoration: none;
}

#shop li a:hover{
  background: #143956;
}

@media (max-width: 1024px) {
  #shop ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #shop  ul {
    padding: 0 1.25rem;
  }
}

#about p {
  box-sizing: border-box;
  border: 2px solid #000;
  border-radius: 20px;
  width: calc(100% - 8rem);
  max-width: 1100px;
  margin: 1rem auto 0 auto;
  padding: 1.5rem;
  color: #000;
  background: #fff;
  text-align: justify;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  #about p {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #about p {
    padding: 0 1.25rem;
  }
}

form {
  padding-bottom: 2rem;
  margin-top: 10px;
  max-width: 760px;
}

@media (max-width: 1024px) {
  form {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  form {
    padding: 0 1.25rem;
  }
}

label {
  display: block;
  color: #000;
  font-weight: 800;
  margin-top: 15px;
  margin-bottom: 8px;
}

input[type="text"] {
  box-sizing: border-box;
  border: 1px solid #888;
  border-radius: 15px;
  width: 30%;
  min-height: 30px;
  padding: 10px 15px;
  font-size: 16px;
  background: #fff;
}

input[type="email"] {
  box-sizing: border-box;
  border: 1px solid #888;
  border-radius: 15px;
  width: 50%;
  min-height: 30px;
  padding: 10px 15px;
  font-size: 16px;
  background: #fff;
}

textarea {
  box-sizing: border-box;
  border: 1px solid #888;
  border-radius: 15px;
  width: 90%;
  min-height: 200px;
  padding: 10px 15px;
  background: #fff;
  resize: none;
  overflow-y: auto;
  font-size: 16px;
  font-family: inherit;
}

button[type="submit"] {
  color: #fff;
  background: #143956;
  margin-top: 20px; 
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 1024px) {
  #contact_form {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #contact_form {
    padding: 0 1.25rem;
  }
}

footer {
  background: #fff;
  text-align: center;
  color: #143956;
  padding: 25px;
}

@media (max-width: 1024px) {
  footer {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  footer {
    padding: 0 1.25rem;
  }
}