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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
}

header {
    background-color: #042e44;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    color: white;
}

h1 {
    font-size: 1.5rem;
    margin: 0;
}

#langToggle {
    padding: 8px 16px;
    background-color: #f0f0f0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

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

.image-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: white;
}

.image-container img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0; /* 确保图片之间没有间距 */
}

/* 针对移动设备的响应式调整 */
@media (max-width: 768px) {
    .content {
        padding: 0;
    }
    
    header {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.2rem;
    }
}