/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    background-color: #f9f7f2;
    color: #333;
    line-height: 1.6;
}

/* 标题样式 */
.book-title {
    text-align: center;
    padding: 20px 0;
    background-color: #4a86e8;
    color: white;
    font-size: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

/* 故事页面 */
.story-page {
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.story-page.active {
    display: flex;
}

/* 图片容器 */
.image-container {
    width: 100%;
    max-width: 800px;
    margin: 20px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.story-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 文本容器 */
.text-container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    background-color: #f9f7f2;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* 导航按钮 */
.navigation {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
    width: 100%;
}

.nav-button {
    padding: 10px 20px;
    background-color: #4a86e8;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.nav-button:hover {
    background-color: #3a76d8;
}

.nav-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

/* 音频控制 */
.audio-control {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    gap: 10px;
}

.audio-button {
    padding: 10px 15px;
    background-color: #ff9900;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background-color 0.3s;
}

.audio-button:hover {
    background-color: #e68a00;
}

.audio-button i {
    font-size: 1.2rem;
}

/* 页码指示器 */
.page-indicator {
    margin: 20px 0;
    font-size: 1rem;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .book-title {
        font-size: 1.5rem;
        padding: 15px 0;
    }
    
    .container {
        padding: 10px;
    }
    
    .story-page {
        padding: 15px;
    }
    
    .text-container {
        font-size: 1rem;
        padding: 15px;
    }
    
    .nav-button, .audio-button {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.story-page.active {
    animation: fadeIn 0.5s ease-in-out;
}

/* 页面指示器 */
.page-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 20px 0;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s;
}

.dot.active {
    background-color: #4a86e8;
}

/* 封面页样式 */
.cover-page {
    text-align: center;
    padding: 40px 20px;
}

.cover-title {
    font-size: 2.5rem;
    color: #4a86e8;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.cover-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.start-button {
    padding: 15px 30px;
    background-color: #4a86e8;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s, transform 0.2s;
}

.start-button:hover {
    background-color: #3a76d8;
    transform: scale(1.05);
}

/* 结束页样式 */
.end-page {
    text-align: center;
    padding: 40px 20px;
}

.end-title {
    font-size: 2rem;
    color: #4a86e8;
    margin-bottom: 20px;
}

.end-message {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.restart-button {
    padding: 12px 25px;
    background-color: #4a86e8;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.restart-button:hover {
    background-color: #3a76d8;
}