.ev-calculator-container {
  max-width: 700px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  padding: 24px;
  font-family: 'Inter', Arial, sans-serif;
}
.ev-calculator-container h1 {
  text-align: center;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  color: #111;
  margin-bottom: 10px;
}
.ev-calculator-container .desc {
  text-align: center;
  color: #555;
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.ev-calculator-container form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}
.field label {
  display: block;
  color: #333;
  font-size: 0.9rem;
  margin-bottom: 5px;
}
.field input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}
.btn-group {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}
.btn-primary {
  background: #0073e6;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
}
.btn-primary:hover { background: #005bb5; }
.btn-secondary {
  background: #f3f4f6;
  color: #333;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
}
.results {
  margin-top: 22px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.result-card {
  background: #fafafa;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid #eee;
  text-align: center;
}
.result-card h3 {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 6px;
}
.result-card .result-value {
  font-size: 1.3rem;
  font-weight: bold;
  color: #111;
}
section.seo {
  margin-top: 24px;
  line-height: 1.7;
  color: #555;
  font-size: 0.95rem;
}
section.seo h2 {
  margin-top: 16px;
  font-size: 1.1rem;
  color: #111;
}
section.seo h3 {
  margin-top: 10px;
  font-size: 1rem;
  color: #111;
}
footer {
  text-align: center;
  margin-top: 30px;
  color: #777;
  font-size: 0.85rem;
}
@media(max-width:600px){
  .ev-calculator-container{padding:16px;}
}