/* 图片阅读器样式 */
.chapter_pic {
    text-align: center;
    margin-bottom: 20px;
}

.chapter_pic img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.page {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.page-numbers {
    display: flex;
    gap: 15px;
    margin: 0 20px;
}

.page-btn {
    padding: 10px 15px;
    border: 2px solid #007bff;
    background-color: #fff;
    cursor: pointer;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    color: #007bff;
    transition: all 0.3s ease;
}
.page-btn.first {
    display: none;
}
.page-btn.last {
    display: none;
}
.page-btn:nth-child(2) {
    display: none;
}
.page-btn:hover {
    background-color: #007bff;
    color: #fff;
    transform: scale(1.05);
}

.page-btn.active {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
    transform: scale(1.1);
}

.prev-btn, .next-btn {
    padding: 10px 15px;
    border: 2px solid #007bff;
    background-color: #fff;
    cursor: pointer;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    color: #007bff;
    transition: all 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background-color: #007bff;
    color: #fff;
    transform: scale(1.05);
}

.prev-btn:disabled, .next-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f8f9fa;
    color: #6c757d;
    border-color: #6c757d;
    transform: none;
}

/* 下载APP弹窗样式 */
.app-download-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    display: none;
}

.app-download-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    width: 280px;
    text-align: center;
    position: relative;
}

.app-download-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.app-download-close:hover {
    color: #333;
}

.app-download-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.app-download-qrcode {
    width: 200px;
    height: 200px;
    margin: 0 auto 15px;
}

.app-download-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.app-download-desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.app-download-btn {
    display: inline-block;
    background-color: #ff6b81;
    color: #fff;
    padding: 10px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s;
}

.app-download-btn:hover {
    background-color: #ff4757;
}