/* 基础样式设置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 30px;
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

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

header p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2c3e50;
}

textarea, select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

textarea {
    resize: vertical;
}

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

/* 按钮样式 */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.primary {
    background-color: #3498db;
    color: white;
    box-shadow: 0 2px 5px rgba(52, 152, 219, 0.3);
}

.primary:hover {
    background-color: #2980b9;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.4);
}

.secondary {
    background-color: #ecf0f1;
    color: #2c3e50;
}

.secondary:hover {
    background-color: #dcdde1;
}

.download {
    display: inline-block;
    margin-top: 15px;
    background-color: #2ecc71;
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    box-shadow: 0 2px 5px rgba(46, 204, 113, 0.3);
}

.download:hover {
    background-color: #27ae60;
    box-shadow: 0 4px 8px rgba(46, 204, 113, 0.4);
}

/* 结果样式 */
.result {
    margin-top: 30px;
    padding: 25px;
    border-radius: 8px;
    background-color: #f8f9fa;
    border: 1px solid #eee;
}

.result h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    font-size: 1.5rem;
}

.result-info {
    margin-bottom: 25px;
}

.info-item {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.info-item:last-child {
    border-bottom: none;
}

.label {
    display: inline-block;
    width: 120px;
    font-weight: 500;
    color: #7f8c8d;
}

.value {
    color: #2c3e50;
}

.audio-player {
    margin-top: 20px;
}

.audio-player h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

audio {
    width: 100%;
    margin-bottom: 10px;
}

/* 消息提示样式 */
.message {
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    font-weight: 500;
}

.error {
    background-color: #fdecea;
    color: #e74c3c;
    border: 1px solid #fcd5ce;
}

.success {
    background-color: #eafaf1;
    color: #27ae60;
    border: 1px solid #d5f5e3;
}

/* 加载提示样式 */
.loading {
    text-align: center;
    padding: 20px;
    color: #3498db;
    font-weight: 500;
}

/* 页脚样式 */
footer {
    margin-top: 40px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #7f8c8d;
    font-size: 0.9rem;
}

footer a {
    color: #3498db;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    
    header h1 {
        font-size: 1.6rem;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
    
    .label {
        display: block;
        margin-bottom: 5px;
    }
}