/* 让表单居中 */
.form {
  width: calc(1080px / 2);
  height: calc(1440px / 2);
  /* margin: 40px auto; */
  padding: 20px;
  border-radius: 10px;
  background: #f8f9fa; /* 淡灰色背景 */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

/* 每个输入框外层的 <p> 标签 */
.form p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}

/* 标签文字样式 */
.form p span {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  min-width: 60px;
}

/* 输入框 & 文件选择框的通用样式 */
input[type="number"],
input[type="file"] {
  flex: 1;
  padding: 10px;
  font-size: 14px;
  border: 2px solid #ddd;
  border-radius: 6px;
  outline: none;
  transition: all 0.3s ease;
  background-color: #fff;
  color: #333;
}

/* 输入框聚焦时高亮 */
input[type="number"]:focus,
input[type="file"]:focus {
  border-color: #007bff;
  box-shadow: 0 0 6px rgba(0, 123, 255, 0.5);
}

/* 文件选择按钮优化 */
input[type="file"] {
  padding: 8px;
  cursor: pointer;
  border: none;
  background: #f1f1f1;
  color: #555;
}

input[type="file"]::-webkit-file-upload-button {
  padding: 6px 12px;
  border-radius: 5px;
  background: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  transition: 0.3s;
}

input[type="file"]::-webkit-file-upload-button:hover {
  background: #0056b3;
}

/* 按钮样式 */
.btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  font-weight: bold;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #0056b3;
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.4);
}

/* 适配暗黑模式 */
/* @media (prefers-color-scheme: dark) {
  .form {
    background: #222;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  }

  .form p span {
    color: #ddd;
  }

  input[type="number"],
  input[type="file"] {
    background-color: #333;
    color: #fff;
    border-color: #555;
  }

  input[type="file"]::-webkit-file-upload-button {
    background: #00aaff;
  }

  input[type="file"]::-webkit-file-upload-button:hover {
    background: #0088cc;
  }

  .btn {
    background: #00aaff;
  }

  .btn:hover {
    background: #0088cc;
  }
} */