.pdfBox{
		position: relative;
		height:1180px;
		overflow: hidden;
	}
	
	/* 加载动画 */
  .loading-screen {
  	position: fixed;
  	top: 0;
  	left: 0;
  	right: 0;
  	bottom: 0;
  	background: #0f0f0f;
  	display: flex;
  	flex-direction: column;
  	align-items: center;
  	justify-content: center;
  	z-index: 9999;
  	transition: opacity 0.5s ease, visibility 0.5s;
  }

  .loading-screen.hidden {
  	opacity: 0;
  	visibility: hidden;
  }

  .loading-spinner {
  	width: 60px;
  	height: 60px;
  	position: relative;
  }

  .loading-spinner::before,
  .loading-spinner::after {
  	content: '';
  	position: absolute;
  	border-radius: 50%;
  	border: 3px solid transparent;
  }

  .loading-spinner::before {
  	width: 100%;
  	height: 100%;
  	border-top-color: #007AFF;
  	border-right-color: #007AFF;
  	animation: spin 1s linear infinite;
  }

  .loading-spinner::after {
  	width: 80%;
  	height: 80%;
  	top: 10%;
  	left: 10%;
  	border-bottom-color: #5856D6;
  	border-left-color: #5856D6;
  	animation: spin 1.5s linear infinite reverse;
  }

  @keyframes spin {
  	to {
  		transform: rotate(360deg);
  	}
  }

  .loading-text {
  	margin-top: 30px;
  	font-size: 16px;
  	color: #888;
  	letter-spacing: 2px;
  }

  .loading-progress {
  	width: 200px;
  	height: 3px;
  	background: rgba(255, 255, 255, 0.1);
  	border-radius: 3px;
  	margin-top: 20px;
  	overflow: hidden;
  	position: relative;
  }

  .loading-progress-bar {
  	height: 100%;
  	background: linear-gradient(90deg, #007AFF, #5856D6);
  	width: 0%;
  	transition: width 0.3s ease;
  	box-shadow: 0 0 10px rgba(0, 122, 255, 0.5);
  }

  .loading-percentage {
  	margin-top: 10px;
  	font-size: 14px;
  	color: #007AFF;
  	font-weight: 600;
  }

  /* 顶部工具栏 */
  .toolbar {
  	position: absolute;
  	top: 0;
  	left: 0;
  	right: 0;
  	height: 56px;
  	background: rgba(20, 20, 20, 0.85);
  	backdrop-filter: blur(20px);
  	-webkit-backdrop-filter: blur(20px);
  	display: flex;
  	align-items: center;
  	justify-content: space-between;
  	padding: 0 16px;
  	z-index: 1000;
  	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  	transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  }

  .toolbar.hidden {
  	transform: translateY(-100%);
  }

  .toolbar-left,
  .toolbar-right {
  	display: flex;
  	align-items: center;
  	gap: 8px;
  }

  .toolbar-center {
  	position: absolute;
  	left: 50%;
  	transform: translateX(-50%);
  	display: flex;
  	align-items: center;
  	gap: 12px;
  }

  .btn {
  	background: rgba(255, 255, 255, 0.08);
  	border: none;
  	color: #fff;
  	width: 36px;
  	height: 36px;
  	border-radius: 10px;
  	cursor: pointer;
  	font-size: 16px;
  	display: flex;
  	align-items: center;
  	justify-content: center;
  	transition: all 0.2s ease;
  	position: relative;
  	overflow: hidden;
  }

  .btn::before {
  	content: '';
  	position: absolute;
  	top: 50%;
  	left: 50%;
  	width: 0;
  	height: 0;
  	background: rgba(255, 255, 255, 0.2);
  	border-radius: 50%;
  	transform: translate(-50%, -50%);
  	transition: width 0.3s, height 0.3s;
  }

  .btn:active::before {
  	width: 100%;
  	height: 100%;
  }

  .btn:active {
  	transform: scale(0.92);
  	background: rgba(255, 255, 255, 0.15);
  }

  .btn-primary {
  	background: #007AFF;
  }

  .btn-primary:active {
  	background: #0056CC;
  }

  .page-indicator {
  	font-size: 15px;
  	color: #fff;
  	font-weight: 500;
  	min-width: 80px;
  	text-align: center;
  	font-variant-numeric: tabular-nums;
  }

  .page-indicator span {
  	color: #888;
  	margin: 0 4px;
  }

  /* PDF 容器 */
  .pdf-container {
  	position: absolute;
  	top: 56px;
  	bottom: 0;
  	left: 0;
  	right: 0;
  	overflow-y: auto;
  	overflow-x: hidden;
  	background: #0f0f0f;
  	-webkit-overflow-scrolling: touch;
  	scroll-behavior: smooth;
  	transition: top 0.3s ease;
  }

  .pdf-container.fullscreen {
  	top: 0;
  }

  .pdf-viewer {
  	display: flex;
  	flex-direction: column;
  	align-items: center;
  	padding: 20px 10px;
  	min-height: 100%;
  	gap: 20px;
  }

  .pdf-page {
  	position: relative;
  	background: #fff;
  	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  	border-radius: 4px;
  	overflow: hidden;
  	transform-origin: center top;
  	transition: transform 0.2s ease, opacity 0.3s ease;
  	opacity: 0;
  	animation: fadeIn 0.5s ease forwards;
  }

  .pdf-page.visible {
  	opacity: 1;
  }

  @keyframes fadeIn {
  	to {
  		opacity: 1;
  	}
  }

  .pdf-page canvas {
  	display: block;
  	max-width: 100%;
  	height: auto;
  	image-rendering: -webkit-optimize-contrast;
  	image-rendering: crisp-edges;
  }

  .page-number-badge {
  	position: absolute;
  	bottom: -30px;
  	left: 50%;
  	transform: translateX(-50%);
  	background: rgba(30, 30, 30, 0.9);
  	color: #888;
  	font-size: 12px;
  	padding: 4px 12px;
  	border-radius: 12px;
  	opacity: 0;
  	transition: opacity 0.3s;
  	pointer-events: none;
  	border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .pdf-page:hover .page-number-badge,
  .pdf-page.active .page-number-badge {
  	opacity: 1;
  }

  /* 底部快速导航栏 */
  .bottom-nav {
  	position: absolute;
  	bottom: 140px;
  	left: 50%;
  	transform: translateX(-50%) translateY(100px);
  	background: rgba(30, 30, 30, 0.9);
  	backdrop-filter: blur(20px);
  	-webkit-backdrop-filter: blur(20px);
  	padding: 8px 16px;
  	border-radius: 24px;
  	display: flex;
  	align-items: center;
  	gap: 16px;
  	z-index: 999;
  	border: 1px solid rgba(255, 255, 255, 0.1);
  	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  	transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  }

  .bottom-nav.visible {
  	transform: translateX(-50%) translateY(0);
  }

  .nav-dot {
  	width: 8px;
  	height: 8px;
  	border-radius: 50%;
  	background: rgba(255, 255, 255, 0.3);
  	cursor: pointer;
  	transition: all 0.3s ease;
  	position: relative;
  }

  .nav-dot.active {
  	background: #007AFF;
  	transform: scale(1.3);
  	box-shadow: 0 0 10px rgba(0, 122, 255, 0.5);
  }

  .nav-dot::after {
  	content: attr(data-page);
  	position: absolute;
  	bottom: 20px;
  	left: 50%;
  	transform: translateX(-50%) scale(0);
  	background: rgba(0, 0, 0, 0.8);
  	color: #fff;
  	padding: 4px 8px;
  	border-radius: 6px;
  	font-size: 12px;
  	opacity: 0;
  	transition: all 0.2s;
  	pointer-events: none;
  	white-space: nowrap;
  }

  .nav-dot:hover::after {
  	opacity: 1;
  	transform: translateX(-50%) scale(1);
  }

  /* 缩略图面板 */
  .thumbnail-panel {
  	position: absolute;
  	bottom: 140px;
  	left: 0;
  	right: 0;
  	height: 140px;
  	background: rgba(15, 15, 15, 0.98);
  	backdrop-filter: blur(20px);
  	border-top: 1px solid rgba(255, 255, 255, 0.1);
  	overflow-x: auto;
  	overflow-y: hidden;
  	z-index: 998;
  	padding: 15px;
  	white-space: nowrap;
  	transform: translateY(100%);
  	transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  	-webkit-overflow-scrolling: touch;
  	scrollbar-width: none;
  }

  .thumbnail-panel::-webkit-scrollbar {
  	display: none;
  }

  .thumbnail-panel.active {
  	/* transform: translateY(0); */
  }

  .thumbnail {
  	display: inline-block;
  	width: 90px;
  	height: 110px;
  	margin-right: 12px;
  	border: 2px solid transparent;
  	border-radius: 8px;
  	overflow: hidden;
  	cursor: pointer;
  	opacity: 0.6;
  	transition: all 0.3s ease;
  	flex-shrink: 0;
  	position: relative;
  	background: #1a1a1a;
  	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }

  .thumbnail.active {
  	border-color: #007AFF;
  	opacity: 1;
  	transform: scale(1.05);
  	box-shadow: 0 0 20px rgba(0, 122, 255, 0.3);
  }

  .thumbnail img {
  	width: 100%;
  	height: 100%;
  	object-fit: contain;
  	background: #fff;
  }

  .thumbnail-page-num {
  	position: absolute;
  	bottom: 0;
  	left: 0;
  	right: 0;
  	background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  	color: #fff;
  	font-size: 11px;
  	text-align: center;
  	padding: 8px 4px 4px;
  	font-weight: 500;
  }

  /* 缩放控制 */
  .zoom-controls {
  	position: absolute;
  	right: 16px;
  	bottom: 150px;
  	display: flex;
  	flex-direction: column;
  	gap: 8px;
  	z-index: 997;
  	opacity: 0;
  	transform: translateX(20px);
  	transition: all 0.3s ease;
  }

  .zoom-controls.visible {
  	opacity: 1;
  	transform: translateX(0);
  }

  .zoom-btn {
  	width: 44px;
  	height: 44px;
  	border-radius: 50%;
  	background: rgba(30, 30, 30, 0.9);
  	border: 1px solid rgba(255, 255, 255, 0.1);
  	color: #fff;
  	font-size: 20px;
  	cursor: pointer;
  	display: flex;
  	align-items: center;
  	justify-content: center;
  	backdrop-filter: blur(10px);
  	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  	transition: all 0.2s ease;
  }

  .zoom-btn:active {
  	transform: scale(0.9);
  	background: rgba(0, 122, 255, 0.9);
  }

  .zoom-level {
  	position: absolute;
  	right: 60px;
  	background: rgba(0, 0, 0, 0.8);
  	color: #fff;
  	padding: 6px 12px;
  	border-radius: 6px;
  	font-size: 13px;
  	opacity: 0;
  	transition: opacity 0.3s;
  	pointer-events: none;
  	white-space: nowrap;
  }

  .zoom-btn:hover .zoom-level {
  	opacity: 1;
  }

  /* 提示信息 */
  .toast {
  	position: absolute;
  	top: 50%;
  	left: 50%;
  	transform: translate(-50%, -50%) scale(0.9);
  	background: rgba(30, 30, 30, 0.95);
  	color: #fff;
  	padding: 16px 24px;
  	border-radius: 12px;
  	font-size: 14px;
  	opacity: 0;
  	transition: all 0.3s ease;
  	z-index: 1001;
  	pointer-events: none;
  	border: 1px solid rgba(255, 255, 255, 0.1);
  	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  	text-align: center;
  	max-width: 80%;
  }

  .toast.show {
  	opacity: 1;
  	transform: translate(-50%, -50%) scale(1);
  }

  /* 滚动条 */
  ::-webkit-scrollbar {
  	width: 6px;
  	height: 6px;
  }

  ::-webkit-scrollbar-track {
  	background: transparent;
  }

  ::-webkit-scrollbar-thumb {
  	background: rgba(255, 255, 255, 0.15);
  	border-radius: 3px;
  }

  ::-webkit-scrollbar-thumb:hover {
  	background: rgba(255, 255, 255, 0.25);
  }

  /* 响应式 */
  @media (max-width: 768px) {
  	.toolbar {
  		height: 48px;
  		padding: 0 12px;
  	}

  	.btn {
  		width: 32px;
  		height: 32px;
  		font-size: 14px;
  	}

  	.page-indicator {
  		font-size: 13px;
  		min-width: 60px;
  	}

  	.pdf-container {
  		top: 48px;
			height:800px;
  	}

  	.pdf-viewer {
  		padding: 10px 5px;
  		gap: 15px;
  	}

  	.thumbnail-panel {
  		height: 120px;
  	}

  	.thumbnail {
  		width: 75px;
  		height: 95px;
  	}

  	.zoom-controls {
  		right: 12px;
  		bottom: 80px;
  	}

  	.zoom-btn {
  		width: 40px;
  		height: 40px;
  	}
  }

  /* 横屏优化 */
  @media (orientation: landscape) and (max-height: 500px) {
  	.toolbar {
  		height: 40px;
  	}

  	.pdf-container {
  		top: 40px;
  	}

  	.thumbnail-panel {
  		height: 100px;
  	}
  }

  /* 深色模式增强 */
  @media (prefers-color-scheme: dark) {
  	body {
  		background: #000;
  	}
  }

  /* 打印样式 */
  @media print {

  	.toolbar,
  	.bottom-nav,
  	.zoom-controls,
  	.thumbnail-panel,
  	.loading-screen {
  		display: none !important;
  	}

  	.pdf-container {
  		position: static;
  		overflow: visible;
  	}

  	.pdf-page {
  		box-shadow: none;
  		page-break-after: always;
  		margin: 0;
  	}
  }