* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1560px;
  min-width: 1240px;
  margin: 20px auto;
  color: #333;
}

.container * {
  box-sizing: border-box;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1rem;
  opacity: 0.9;
}
.search-section {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.search-column {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  flex: 1;
}

.search-column h2 {
  color: #333;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.form-group .radio-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.form-group .radio-group label {
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 5px;
}

.form-group .radio-group input {
  width: auto;
}

.form-group .hint {
  font-size: 12px;
  color: #666;
  margin-top: 5px;
}

.button-group {
  text-align: center;
  margin-bottom: 20px;
}

.button {
  padding: 12px 48px;
  margin: 0 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.search-btn {
  background-color: #3385ff;
  color: white;
}

.search-btn:hover {
  background-color: #2d78f4;
}

.clear-btn {
  background-color: #ff7145;
  color: #fff;
}

.clear-btn:hover {
  background-color: #ff5722;
}

.example-btn {
  background-color: #02aa80;
  color: #fff;
}

.example-btn:hover {
  background-color: #158569;
}

.footer {
  text-align: center;
  color: #666;
  font-size: 14px;
}

.footer p{
  margin-top: 10px;
}

.notice {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #333;
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1000;
}

.notice.show {
  opacity: 1;
}

.feature-section {
  padding: 20px;
  background-color: #fff;
  border-radius: 8px;
  margin-bottom: 25px;
}

.feature-section h2 {
  color: #333;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-item {
  margin-top: 20px;
  font-size: 15px;
}

.feature-item h3 {
  font-size: 1.1rem;
  color: #3385ff;
  margin-bottom: 8px;
}