body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 2rem;
  background: #f0f4f8;
  color: #222;
}
h1 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
  color: #003366;
}
.input-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}
.input-container select {
  padding: 0.75rem;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  width: 300px;
  background-color: #fff;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
}
.input-container select:focus {
  outline: none;
  border-color: #0077cc;
  box-shadow: 0 0 0 2px rgba(0,119,204,0.2);
}
.result {
  max-width: 700px;
  margin: 2rem auto;
  padding: 1.5rem;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.label {
  font-weight: 600;
  color: #003366;
  margin-top: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
}
th, td {
  border: 1px solid #ddd;
  padding: 0.75rem;
  text-align: left;
}
th {
  background: #f2f6fa;
  font-weight: 600;
  color: #003366;
}
.highlight {
  background-color: #e0f7e9 !important;
  font-weight: bold;
  color: #006633;
}
.seo-content {
  max-width: 800px;
  margin: 3rem auto;
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}
.popular-links {
  max-width: 800px;
  margin: 2rem auto;
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}
.popular-links h2 {
  color: #003366;
  margin-bottom: 1rem;
}
.popular-links ul {
  list-style: none;
  padding-left: 0;
}
.popular-links li {
  margin-bottom: 0.75rem;
}
.popular-links a {
  color: #0077cc;
  text-decoration: none;
  font-weight: 500;
}
.popular-links a:hover {
  text-decoration: underline;
}
footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.9rem;
}
footer a {
  color: #0077cc;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
a {
  color: #0077cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}