body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

#upload {
    background-color: #007bff;
    border: none;
    color: white;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    position: relative;
    overflow: hidden;
}

#upload:hover {
    background-color: #0056b3;
}

#fileInput {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-text u {
    text-decoration: none;
    font-style: normal;
}

#uploadStatus {
    margin-top: 15px;
    font-size: 14px;
    color: #333;
}

.spinner-grow {
    margin-right: 10px;
}
.memo-editor {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  position: relative;
  margin-top: 10px; /* 调整与上传成功框的距离 */
  width: 100%;
  max-width: 500px;
}

.memo-editor .close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}