body {
    font-family: Arial, sans-serif;
    margin: 40px;
    text-align: center;
}

h1 {
    color: #333;
}

.header {
    margin-bottom: 20px;
}

.header p {
    margin: 0;
    font-size: 16px;
}

.logout-link {
    color: #ff4444;
    margin-left: 10px;
}

.logout-link:hover {
    text-decoration: underline;
}

.button-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.large-button {
    padding: 20px 40px;
    font-size: 24px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.large-button:hover {
    background-color: #45a049;
}

.form-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 两列等宽 */
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.form-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    align-items: center; /* 垂直居中对齐 */
    gap: 10px;
    text-align: left;
}

.form-group label {
    width: 120px; /* 固定标签宽度，确保对齐 */
    font-size: 16px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group select,
.form-group input[type="file"] {
    padding: 8px;
    font-size: 16px;
    width: 300px; /* 调整输入框宽度 */
    box-sizing: border-box;
}

.login-container {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.login-container form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    padding: 10px;
    font-size: 16px;
    width: 200px;
}

.error {
    color: red;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin: 10px 0;
}

.delete-link {
    color: red;
    margin-left: 10px;
}

a {
    text-decoration: none;
    color: #007BFF;
}

a:hover {
    text-decoration: underline;
}









.preview-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.preview-item {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.image-box {
    margin-top: 10px;
}

.image-box img {
    max-width: 300px;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.image-box p {
    margin: 5px 0;
}

.download-link {
    display: inline-block;
    margin: 5px 10px;
    color: #4CAF50;
}

.download-link:hover {
    text-decoration: underline;
}

.delete-button {
    margin: 5px 0;
    padding: 8px 16px;
    background-color: #ff4444;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.delete-button:hover {
    background-color: #cc0000;
}