/* 响应式设计补充样式 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .step-indicator {
        margin-bottom: 20px;
    }
    
    .step-dot {
        width: 25px;
        height: 25px;
        font-size: 14px;
    }
    
    .step-line {
        width: 30px;
    }
    
    .file-label {
        padding: 15px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 5px;
        padding: 10px;
    }
    
    .step-dot {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }
    
    .step-line {
        width: 20px;
    }
    
    .form-group input {
        padding: 10px;
        font-size: 14px;
    }
    
    .message {
        padding: 10px;
        font-size: 14px;
    }
}

/* 打印样式 */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}