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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text {
    text-align: center;
    margin-bottom: 30px;
}

.img {
    max-width: 60%;
    height: auto;
    margin: 0 auto;
    display: block;
}

button {
    background-color: #990000;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    white-space: nowrap;
    width: 200px;
    display: block;
    margin: 10px auto;
}

button:hover {
    background-color: #660000;
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    
    gap: 10px;
    margin: 20px auto;
    max-width: 300px;
}

.input-group button {

    margin-top: 34px;
    margin-bottom: 34px; 
}

input {
    padding: 12px;
    border: 1px solid #ddd;

    cursor: pointer;
    white-space: nowrap;

    display: block;
    

    margin-left: 60px;
    margin-top: 10px;
    margin-bottom: 10px;  
    border-radius: 4px;
    font-size: 16px;
    width: 60%;

    max-width: 300px;
}

.result {
    margin-top: 20px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.zhanbu1 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-top: 15px;
}

.zhanbu2 {
    color: #666;
    margin-bottom: 15px;
}

.pici1 {
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
    margin-top: 20px;
}

.pici2 {
    color: #34495e;
    margin-top: 10px;
    padding: 10px;
    background-color: #ecf0f1;
    border-radius: 4px;
    word-break: break-all;
    white-space: pre-line;
}

.title1 {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    margin: 30px 0 15px;
}

.title2 {
    font-size: 20px;
    font-weight: bold;
    color: #34495e;
    margin: 20px 0 10px;
}

.text1, .text2 {
    color: #555;
    margin-bottom: 10px;
}

.footer {
    margin-top: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-size: 14px;
    color: #6c757d;
    text-align: center;
}

/* 查看文化背景按钮的特殊样式 */
button[onclick="toggleCulturalInfo"] {
    margin-top: 30px;
}

/* 响应式设计优化 */
/* 响应式设计优化 */
@media (max-width: 768px) {
    body { padding: 10px; }
    
    .container {
        padding: 15px;
        & when (max-width: 480px) {  // 嵌套媒体查询
            padding: 10px;
        }
    }

    .img { max-width: 60%; }

    button {
        width: 180px;
        padding: 10px 20px;
        font-size: 14px;
        & when (max-width: 480px) {
            width: 160px;
        }
    }

    input when (max-width: 480px) {  // 仅在小屏幕生效
        width: calc(100% - 10px);
    }

    // 文字尺寸组
    .title1 { font-size: 20px; }
    .title2 { font-size: 18px; }
    .text1, .text2 { font-size: 14px; }
    .zhanbu1 { font-size: 16px; }
    .zhanbu2 { font-size: 14px; }
    .pici1 { font-size: 18px; }
    .pici2 { font-size: 14px; }
}