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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-color: #f5f7fa;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 页面头部 */
.header {
    background-color: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header h1 {
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 10px;
}

.header p {
    color: #666;
    font-size: 14px;
}

/* 工具区域 */
.tool-section {
    background-color: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tool-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .tool-container {
        grid-template-columns: 1fr;
    }
}

.input-section, .output-section {
    display: flex;
    flex-direction: column;
}

.input-section label, .output-section label {
    font-weight: bold;
    margin-bottom: 10px;
    color: #2c3e50;
}

textarea {
    width: 100%;
    height: 200px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    resize: vertical;
    margin-bottom: 10px;
}

textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

/* 按钮样式 */
.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

/* 信息区域 */
.info-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.info-section h2 {
    color: #2c3e50;
    font-size: 18px;
    margin-bottom: 15px;
}

.info-section p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.info-section ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
}

.info-section li {
    color: #666;
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 卡片样式 */
.card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.card h3 {
    color: #2c3e50;
    font-size: 18px;
    margin-bottom: 10px;
}

.card p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header, .tool-section, .info-section {
        padding: 15px;
    }
    
    textarea {
        height: 150px;
    }
}