/* 基础样式 */
.pdf-document-container {
    margin: 2em 0;
    max-width: 100%;
}

.pdf-viewer-container {
     user-select: none;
      -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    max-width: 100%;
    box-sizing: border-box;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 1.5em;
    background: #fff;
    position: relative;
}

/* 翻页箭头 - 使用深色背景确保在白色PDF上可见 */
.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.7);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: white;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.nav-arrow:hover {
    opacity: 1;
    background: rgba(0,0,0,0.9);
    transform: translateY(-50%) scale(1.1);
}

.arrow-left {
    left: 10px;
}

.arrow-right {
    right: 10px;
}

/* 箭头符号样式 */
.arrow-symbol {
    font-weight: bold;
    font-size: 24px;
    line-height: 1;
    display: block;
    margin-top: -2px; /* 微调位置 */
}

/* 页码指示器 - 红色虚线边框 */
.page-indicator {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed #ff0000;
    border-radius: 4px;
    padding: 5px 15px;
    z-index: 10;
    font-size: 16px;
    color: #ff0000;
    display: flex;
    align-items: center;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 打印按钮 - 红色虚线边框 */
.print-button {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed #ff0000;
    border-radius: 4px;
    padding: 5px 15px;
    z-index: 10;
    font-size: 16px;
    color: #ff0000;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.print-button:hover {
    background: rgba(255, 0, 0, 0.1);
    transform: scale(1.05);
}

/* 全屏按钮 - 红色虚线边框 */
.fullscreen-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed #ff0000;
    border-radius: 4px;
    padding: 5px 15px;
    z-index: 10;
    font-size: 16px;
    color: #ff0000;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.fullscreen-button:hover {
    background: rgba(255, 0, 0, 0.1);
    transform: scale(1.05);
}

/* 全屏状态下的样式 */
.pdf-viewer-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    background: white;
    padding: 0px; /* 添加内边距 */
    box-sizing: border-box;
}

/* 全屏时横向展示两页 */
.pdf-viewer-container.fullscreen .pdf-viewer-wrapper {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow: auto; /* 添加滚动以防万一 */
}


/* 全屏时的画布容器 */
.pdf-viewer-container.fullscreen .pdf-viewer-wrapper canvas {
    height: 100% !important;
    width: auto !important;
    max-width: 50%; /* 确保不超过一半宽度 */
    max-height: 100%;
    object-fit: contain; /* 保持比例 */
    display: block;
    margin: 0 10px; /* 两页之间的间距 */
}

/* 全屏时的单页模式（当只有一页时） */
.pdf-viewer-container.fullscreen .pdf-viewer-wrapper.single-page canvas {
    max-width: 100%;
    margin: 0 auto;
}

/* 全屏时的箭头按钮 - 更大更明显 */
.pdf-viewer-container.fullscreen .nav-arrow {
    width: 60px;
    height: 60px;
    font-size: 30px;
    background: rgba(0,0,0,0.8);
}

.pdf-viewer-container.fullscreen .arrow-symbol {
    font-size: 36px;
}

/* 全屏时的页码指示器 - 更大更明显 */
.pdf-viewer-container.fullscreen .page-indicator {
    top: 20px;
    font-size: 20px;
    padding: 8px 20px;
}
/* 全屏时的翻页箭头 - 调整位置避免重叠 */
.pdf-viewer-container.fullscreen .arrow-left {
    left: 20px;
}

.pdf-viewer-container.fullscreen .arrow-right {
    right: 20px;
}

/* 全屏时的打印按钮 - 更大更明显 */
.pdf-viewer-container.fullscreen .print-button {
    top: 20px;
    left: 20px;
    font-size: 18px;
    padding: 8px 20px;
}

/* 全屏时的全屏按钮 - 更大更明显 */
.pdf-viewer-container.fullscreen .fullscreen-button {
    top: 20px;
    right: 20px;
    font-size: 18px;
    padding: 8px 20px;
}

/* 防止全屏时页面滚动 */
.pdf-fullscreen-active {
    overflow: hidden;
}

/* 画布样式 */
.pdf-viewer-wrapper canvas {
    width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
    border: none;
    box-shadow: none;
    background: #fff; /* 确保画布背景为白色 */
}

/* 加载和错误提示 */
.pdf-loading, .pdf-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    border-radius: 4px;
    z-index: 20;
}

.pdf-error {
    background: #ef4444;
}

/* ================= 移动端全屏模式特殊样式 ================= */
/* 移动端全屏模式 - 单页显示 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .pdf-viewer-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中 */
    align-items: center;
    padding: 0;
    overflow: hidden;
    height: 100%;
}

/* 移动端全屏模式 - 隐藏翻页箭头 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .nav-arrow {
    display: none;
}

/* 移动端全屏模式 - 页码显示在底部中间 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .page-indicator {
    top: auto;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6); /* 半透明背景 */
    color: white;
    border: none;
    font-size: 18px;
    padding: 8px 20px;
    border-radius: 20px;
    transition: opacity 0.3s;
}

/* 移动端全屏模式 - 打印按钮位置调整 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .print-button {
    top: 20px;
    left: auto;
    right: 20px;
    bottom: auto;
}

/* 移动端全屏模式 - 全屏按钮位置调整 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .fullscreen-button {
    top: 20px;
    left: 20px;
    right: auto;
    bottom: auto;
}

/* 移动端全屏模式 - 画布样式（宽度100%不留边距） */
.pdf-viewer-container.mobile-fullscreen.fullscreen .pdf-viewer-wrapper canvas {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 100% !important;
    margin: 0 !important;
    padding: 0;
    display: block;
    object-fit: contain;
}

/* 移动端全屏模式 - 画布容器 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .pdf-viewer-wrapper {
    padding: 0;
    margin: 0;
}

/* 移动端全屏模式 - 垂直居中容器 */
.pdf-viewer-container.mobile-fullscreen.fullscreen .canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    overflow: auto;
}

/* ================= 响应式设计 ================= */
/* 移动端适配 */
@media (max-width: 768px) {
    .nav-arrow {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .arrow-symbol {
        font-size: 20px;
    }
    
    .page-indicator {
        font-size: 14px;
        padding: 4px 12px;
    }
    
    .print-button, .fullscreen-button {
        font-size: 14px;
        padding: 4px 12px;
    }
    
    .pdf-viewer-container.fullscreen {
        padding: 10px;
    }
    
    .pdf-viewer-container.fullscreen .pdf-viewer-wrapper canvas {
        margin: 0 5px;
    }
    
    /* 移动端全屏样式 */
    .pdf-viewer-container.fullscreen .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .pdf-viewer-container.fullscreen .arrow-symbol {
        font-size: 28px;
    }
    
    .pdf-viewer-container.fullscreen .page-indicator {
        font-size: 18px;
        padding: 6px 15px;
    }
    
    .pdf-viewer-container.fullscreen .print-button,
    .pdf-viewer-container.fullscreen .fullscreen-button {
        font-size: 16px;
        padding: 6px 15px;
    }
}

/* 查看更多按钮：居中 + 红色边框 */
.view-more-link {
    display: block; /* 块级元素实现居中 */
    width: fit-content;
    margin: 0 auto; /* 水平居中 */
    padding: 8px 24px;
    border: 1px solid #ff4d4f;
    color: #ff4d4f;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
    transition: all 0.2s ease;
}
.view-more-link:hover {
    background-color: #ff4d4f;
    color: #fff;
}

/*****end*******/