:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.control-section {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.upload-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.file-input-wrapper {
    display: inline-block;
}

input[type="file"] {
    display: none;
}

.upload-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-button:hover {
    background-color: #357abd;
}

.options-section {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.option-group {
    margin-right: 2rem;
}

.option-group label {
    display: inline-block;
    margin-right: 1rem;
}

input[type="range"] {
    width: 200px;
    margin-right: 0.5rem;
}

.progress-section {
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--secondary-color);
    border-radius: 10px;
    overflow: hidden;
}

.progress {
    width: 0%;
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.status {
    text-align: center;
    margin-top: 0.5rem;
    color: #666;
}

.content-section {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.preview-section {
    display: flex;
    gap: 2rem;
}

.preview-container {
    flex: 1;
    min-width: 0;
}

#imagePreview img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.preview-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.control-button {
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.control-button:hover {
    background-color: #e8e8e8;
}

.result-section {
    flex: 1;
    min-width: 0;
}

.result-text {
    white-space: pre-wrap;
    font-family: 'MS Mincho', serif;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
}

.download-button, .clear-button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.download-button {
    background-color: var(--primary-color);
    color: white;
}

.download-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.clear-button {
    background-color: #e74c3c;
    color: white;
}

.download-button:hover:not(:disabled) {
    background-color: #357abd;
}

.clear-button:hover {
    background-color: #c0392b;
}

/* 文件上传样式 */
.file-input {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.file-label {
    display: inline-block;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
    margin: 10px 0;
    transition: all 0.3s;
}

.file-label:hover {
    background-color: #45a049;
}

.progress-container {
    width: 100%;
    height: 20px;
    background-color: #f1f1f1;
    border-radius: 4px;
    margin: 10px 0;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background-color: #4CAF50;
    width: 0;
    transition: width 0.3s;
}

.progress-status {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 12px;
}

/* 上传容器样式 */
.upload-container {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}