* {
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
}

.container {
  width: 100%;
  max-width: 1500px;
  min-width: 1240px;
  margin: 20px auto;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  box-sizing: border-box;
  color: #333;
}

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

header {
  background: linear-gradient(90deg, #1a6dcc 0%, #2c8de0 100%);
  color: white;
  padding: 25px 40px;
  text-align: center;
}

header h1 {
  font-size: 32px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.input-section {
  padding: 20px;
  background-color: #f8fafd;
  border-bottom: 1px solid #e0e6ed;
}

.input-group {
  display: flex;
  gap: 25px;
  align-items: center;
  flex-wrap: wrap;
}

.input-item {
  display: flex;
  flex-direction: column;
  min-width: 300px;
}

.input-item label {
  font-weight: bold;
  margin-bottom: 8px;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-item input,
.input-item select {
  padding: 12px 15px;
  border: 2px solid #d1d9e6;
  border-radius: 8px;
  font-size: 16px;
  background-color: white;
  transition: all 0.3s;
}

.input-item input:focus,
.input-item select:focus {
  border-color: #3498db;
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

button {
  background: linear-gradient(90deg, #3498db 0%, #1a6dcc 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 13.5px 25px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

button:hover {
  background: linear-gradient(90deg, #2980b9 0%, #1557a3 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 109, 204, 0.3);
}

.calculate-btn {
  margin-top: 4px;
}

.result-section {
  padding: 20px;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 22px;
  color: #2c3e50;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  overflow: hidden;
}

.result-table th {
  background-color: #1a6dcc;
  color: white;
  padding: 16px 12px;
  text-align: left;
  font-weight: 600;
}

.result-table td {
  padding: 14px 12px;
  border-bottom: 1px solid #e0e6ed;
}

.result-table tr:nth-child(even) {
  background-color: #f8fafd;
}

.result-table tr:hover {
  background-color: #edf4fc;
}

.share-section {
  padding: 30px 20px;
  background-color: #f8fafd;
  border-top: 1px solid #e0e6ed;
  display: flex;
  gap: 15px;
  align-items: center;
}

.share-section input {
  flex: 1;
  padding: 12px 15px;
  border: 2px solid #d1d9e6;
  border-radius: 8px;
  font-size: 16px;
  background-color: white;
}

.policy-section {
  padding: 20px;
  background-color: #fff;
  border-top: 1px solid #e0e6ed;
}

.policy-section h3 {
  margin-bottom: 20px;
  font-size: 22px;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 10px;
}

.policy-content {
  background-color: #f8fafd;
  border-radius: 8px;
  padding: 20px;
  border-left: 4px solid #3498db;
}

.policy-content p {
  line-height: 1.6;
}

.payment-table {
  width: 100%;
  max-width: 500px;
  margin: 20px 0;
  border-collapse: collapse;
}

.payment-table th,
.payment-table td {
  padding: 10px 15px;
  border: 1px solid #d1d9e6;
  text-align: center;
}

.payment-table th {
  background-color: #e4edf5;
}

.highlight {
  color: #e74c3c;
  font-weight: 600;
}

.note {
  color: #7f8c8d;
  font-size: 14px;
  margin-top: 5px;
}

.footer {
  text-align: center;
  color: #7f8c8d;
  margin: 20px auto;
  padding-top: 20px;
  width: 100%;
}