@font-face {
  font-family: 'SimSun';
  src: local('SimSun'), local('宋体');
}

@font-face {
  font-family: 'SimHei';
  src: local('SimHei'), local('黑体');
}

body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f5f7fa;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}
.form-item {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #303133;
}
.form-control {
  width: 90%;
  padding: 10px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  font-size: 14px;
}
.form-control:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}
.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-primary {
  background-color: #409eff;
  color: white;
}
.btn-primary:hover {
  background-color: #66b1ff;
}
.btn-success {
  background-color: #67c23a;
  color: white;
}
.btn-success:hover {
  background-color: #85ce61;
}
.document-preview {
  margin-top: 30px;
  padding: 30px;
  background-color: white;
  font-family: SimSun, serif;
  line-height: 1.25;
  font-size: 14px;
}
.document-preview h1 {
  text-align: center;
  font-family: SimHei, sans-serif;
  font-size: 24px;
  margin: 20px 0;
  font-weight: bold;
  color: #000000;
}
.document-preview .party-info {
  margin: 20px 0;
  line-height: 1.25;
  text-align: left;
}
.document-preview .party-info p {
  margin: 8px 0;
  text-align: left;
}
.document-preview .article {
  margin: 15px 0;
  text-indent: 2em;
  line-height: 1.25;
}
.document-preview .article-title {
  font-weight: bold;
  margin: 20px 0 10px 0;
  color: #000000;
}
.document-preview .signature-area {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  padding-top: 20px;
}
.document-preview .signature-item {
  text-align: right;
}
.document-preview .signature-item p {
  margin: 10px 0;
}
.document-preview .date-area {
  margin-top: 40px;
  padding-top: 20px;
  text-align: right;
}
.document-preview .date-area p {
  margin: 0;
  color: #333333;
}
.step {
  margin-bottom: 30px;
}
.step-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #303133;
}
.error-message {
  color: #f56c6c;
  font-size: 12px;
  margin-top: 5px;
}
.success-message {
  color: #67c23a;
  font-size: 14px;
  margin-top: 10px;
}