*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	user-select: none;
}

body{
	width: 100vw;
	height: 100vh;
	background: #ffffff;
	overflow: hidden;
	position: relative;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	perspective: 1000px;
}

.orb-container{
	position: absolute;
	width: 100%;
	height: 100%;
	filter: blur(80px);
}

.orb{
	position: absolute;
	border-radius: 50%;
	background: radial-gradient(circle at 30% 30%, rgba(230, 245, 255, 0.9), rgba(200, 230, 255, 0.6));
	box-shadow: inset -20px -20px 60px rgba(255, 255, 255, 0.8), inset 20px 20px 60px rgba(180, 220, 255, 0.4), 0 0 100px rgba(200, 230, 255, 0.3);
}

.orb-1{
	width: 400px;
	height: 400px;
	left: 20%;
	top: 30%;
	animation: float-1 20s ease-in-out infinite;
}

.orb-2{
	width: 300px;
	height: 300px;
	right: 25%;
	bottom: 25%;
	animation: float-2 25s ease-in-out infinite;
	background: radial-gradient(circle at 30% 30%, rgba(235, 248, 255, 0.95), rgba(210, 235, 255, 0.7));
}

@keyframes float-1{
	0%, 100%{
		transform: translate(0, 0) scale(1);
	}
	25%{
		transform: translate(50px, -30px) scale(1.05);
	}
	50%{
		transform: translate(20px, -60px) scale(0.95);
	}
	75%{
		transform: translate(-30px, -20px) scale(1.02);
	}
}

@keyframes float-2{
	0%, 100%{
		transform: translate(0, 0) scale(1);
	}
	33%{
		transform: translate(-40px, -50px) scale(0.98);
	}
	66%{
		transform: translate(30px, -30px) scale(1.03);
	}
}

.glow-overlay{
	position: absolute;
	width: 100%;
	height: 100%;
	background: radial-gradient(ellipse at 50% 50%, transparent 0%, rgba(255, 255, 255, 0.4) 100%);
	pointer-events: none;
}

/* 下载卡片容器 */
.download-container{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) rotateX(0deg) rotateY(0deg);
	transform-style: preserve-3d;
	width: 520px;
	height: 680px;
	max-width: 95vw;
	max-height: 90vh;
	background: rgba(255, 255, 255, 0.75);
	backdrop-filter: blur(20px);
	border-radius: 24px;
	border: 1px solid rgba(255, 255, 255, 0.8);
	box-shadow: 
		0 20px 60px rgba(150, 190, 230, 0.25), 
		0 0 0 1px rgba(255, 255, 255, 0.5) inset,
		0 30px 60px -10px rgba(100, 150, 220, 0.3);
	display: flex;
	flex-direction: column;
	z-index: 10;
	overflow: hidden;
	transition: box-shadow 0.3s ease;
	will-change: transform;
}

/* 桌面端大屏适配 */
@media (min-width: 1400px) and (min-height: 900px) {
	.download-container{
		width: 600px;
		height: 780px;
		border-radius: 28px;
	}
	
	.header{
		padding: 32px 40px !important;
	}
	
	.logo{
		width: 48px !important;
		height: 48px !important;
	}
	
	.logo img{
		width: 40px !important;
		height: 40px !important;
	}
	
	.title{
		font-size: 28px !important;
	}
	
	.dropdown-container{
		padding: 16px 40px !important;
	}
	
	.dropdown-trigger{
		padding: 16px 22px !important;
	}
	
	.scrollable-content{
		padding: 20px 40px 40px !important;
	}
	
	.version-info{
		padding: 22px !important;
	}
	
	.version-desc{
		font-size: 14px !important;
	}
	
	.download-item{
		padding: 18px 22px !important;
	}
	
	.platform-icon{
		width: 48px !important;
		height: 48px !important;
	}
	
	.platform-icon img{
		width: 26px !important;
		height: 26px !important;
	}
	
	.platform-name{
		font-size: 16px !important;
	}
	
	.file-meta{
		font-size: 12px !important;
	}
	
	.download-btn{
		width: 44px !important;
		height: 44px !important;
	}
	
	.download-btn img{
		width: 22px !important;
		height: 22px !important;
	}
	
	.footer{
		padding: 18px 40px !important;
		font-size: 13px !important;
	}
}

/* 超大屏适配 */
@media (min-width: 1800px) and (min-height: 1000px) {
	.download-container{
		width: 680px;
		height: 860px;
		border-radius: 32px;
	}
}

/* 标题区域 - 水平排列 */
.header{
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
	padding: 28px 32px;
	flex-shrink: 0;
	background: rgba(255, 255, 255, 0.3);
	border-bottom: 1px solid rgba(255, 255, 255, 0.5);
	transform: translateZ(20px);
}

.logo{
	width: 44px;
	height: 44px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.logo img{
	width: 36px;
	height: 36px;
	object-fit: contain;
}

.title{
	font-size: 24px;
	font-weight: 600;
	color: #1a237e;
	letter-spacing: -0.5px;
}

/* 下拉框容器 */
.dropdown-container{
	padding: 16px 32px;
	flex-shrink: 0;
	position: relative;
	z-index: 100;
	transform: translateZ(30px);
}

/* 下拉框触发按钮 */
.dropdown-trigger{
	width: 100%;
	padding: 14px 18px;
	background: rgba(255, 255, 255, 0.9);
	border: 1px solid rgba(100, 150, 220, 0.2);
	border-radius: 12px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	box-shadow: 0 2px 8px rgba(100, 150, 220, 0.1);
	position: relative;
}

.dropdown-trigger:hover{
	border-color: rgba(100, 150, 220, 0.4);
	box-shadow: 0 4px 16px rgba(100, 150, 220, 0.15);
}

.dropdown-trigger.active{
	border-color: rgba(100, 150, 220, 0.5);
	box-shadow: 0 4px 20px rgba(100, 150, 220, 0.2);
}

.dropdown-label{
	font-size: 14px;
	color: #5c6bc0;
	font-weight: 500;
}

.dropdown-value{
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 15px;
	font-weight: 600;
	color: #1a237e;
}

.dropdown-arrow{
	width: 20px;
	height: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-arrow img{
	width: 14px;
	height: 14px;
}

.dropdown-trigger.active .dropdown-arrow{
	transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu{
	position: absolute;
	top: calc(100% + 8px);
	left: 32px;
	right: 32px;
	background: rgba(255, 255, 255, 0.98);
	backdrop-filter: blur(12px);
	border-radius: 12px;
	border: 1px solid rgba(100, 150, 220, 0.15);
	box-shadow: 0 20px 40px rgba(100, 150, 220, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
	overflow: hidden;
	
	opacity: 0;
	transform: translateY(-10px) scale(0.98);
	pointer-events: none;
	transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	z-index: 101;
}

.dropdown-menu.show{
	opacity: 1;
	transform: translateY(0) scale(1);
	pointer-events: auto;
}

.dropdown-item{
	padding: 14px 18px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	transition: all 0.2s ease;
	border-bottom: 1px solid rgba(100, 150, 220, 0.08);
}

.dropdown-item:last-child{
	border-bottom: none;
}

.dropdown-item:hover{
	background: rgba(227, 242, 253, 0.6);
}

.dropdown-item.selected{
	background: rgba(187, 222, 251, 0.4);
}

.dropdown-item-content{
	display: flex;
	align-items: center;
	gap: 8px;
}

.dropdown-item-text{
	font-size: 14px;
	color: #1a237e;
	font-weight: 500;
}

.latest-badge{
	font-size: 10px;
	color: #fff;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	padding: 2px 8px;
	border-radius: 10px;
	font-weight: 600;
}

.dropdown-item-check{
	width: 18px;
	height: 18px;
	opacity: 0;
	transition: opacity 0.2s ease;
	display: flex;
	align-items: center;
	justify-content: center;
}

.dropdown-item-check img{
	width: 16px;
	height: 16px;
}

.dropdown-item.selected .dropdown-item-check{
	opacity: 1;
}

/* 可滚动内容区域 */
.scrollable-wrapper{
	flex: 1;
	position: relative;
	overflow: hidden;
	transform: translateZ(10px);
}

.scrollable-content{
	height: 100%;
	overflow-y: auto;
	padding: 20px 32px 32px;
	scrollbar-width: thin;
	scrollbar-color: rgba(100, 150, 220, 0.3) transparent;
}

.scrollable-content::-webkit-scrollbar{
	width: 6px;
}

.scrollable-content::-webkit-scrollbar-track{
	background: transparent;
}

.scrollable-content::-webkit-scrollbar-thumb{
	background: rgba(100, 150, 220, 0.3);
	border-radius: 3px;
}

.scrollable-content::-webkit-scrollbar-thumb:hover{
	background: rgba(100, 150, 220, 0.5);
}

/* 滚动提示 */
.scroll-hint{
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 80px;
	background: linear-gradient(to top, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.6) 40%, transparent 100%);
	pointer-events: none;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-end;
	padding-bottom: 8px;
	transition: opacity 0.3s ease;
	z-index: 5;
}

.scroll-hint.hidden{
	opacity: 0;
}

.scroll-hint-text{
	font-size: 12px;
	color: #5c6bc0;
	margin-bottom: 8px;
	font-weight: 500;
}

.scroll-hint-btn{
	width: 40px;
	height: 40px;
	background: rgba(255, 255, 255, 0.95);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 16px rgba(100, 150, 220, 0.25);
	cursor: pointer;
	pointer-events: auto;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	border: 1px solid rgba(100, 150, 220, 0.2);
}

.scroll-hint-btn:hover{
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(100, 150, 220, 0.35);
	background: #fff;
}

.scroll-hint-btn img{
	width: 20px;
	height: 20px;
	animation: bounce 2s infinite;
}

@keyframes bounce{
	0%, 100%{
		transform: translateY(0);
	}
	50%{
		transform: translateY(3px);
	}
}

/* 下载内容区域 */
.download-content{
	display: none;
	animation: fadeIn 0.4s ease;
}

.download-content.active{
	display: block;
}

@keyframes fadeIn{
	from{
		opacity: 0;
		transform: translateY(10px);
	}
	to{
		opacity: 1;
		transform: translateY(0);
	}
}

/* 版本信息卡片 */
.version-info{
	background: rgba(255, 255, 255, 0.6);
	border-radius: 16px;
	padding: 18px;
	margin-bottom: 16px;
	border: 1px solid rgba(255, 255, 255, 0.8);
	transform: translateZ(5px);
}

.version-header{
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 10px;
}

.version-label-wrapper{
	display: flex;
	align-items: center;
	gap: 8px;
}

.version-label{
	font-size: 12px;
	color: #7986cb;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.version-latest-badge{
	font-size: 10px;
	color: #fff;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	padding: 2px 8px;
	border-radius: 10px;
	font-weight: 600;
}

.version-date{
	font-size: 12px;
	color: #9fa8da;
}

.version-desc{
	font-size: 13px;
	color: #455a64;
	line-height: 1.7;
	white-space: pre-line;
}

/* 下载列表 */
.download-list{
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding-bottom: 20px;
}

.download-item{
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	background: rgba(255, 255, 255, 0.8);
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.9);
	transition: all 0.3s ease;
	cursor: pointer;
	text-decoration: none;
	position: relative;
	transform: translateZ(8px);
}

.download-item:hover{
	transform: translateY(-2px) translateZ(15px);
	box-shadow: 0 12px 30px rgba(100, 150, 220, 0.2);
	background: rgba(255, 255, 255, 0.95);
}

.download-info{
	display: flex;
	align-items: center;
	gap: 12px;
}

.platform-icon{
	width: 40px;
	height: 40px;
	background: rgba(255, 255, 255, 0.9);
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.platform-icon img{
	width: 22px;
	height: 22px;
	object-fit: contain;
}

.platform-details{
	display: flex;
	flex-direction: column;
	gap: 3px;
	min-width: 0;
}

.platform-name{
	font-size: 14px;
	font-weight: 600;
	color: #1a237e;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.file-meta{
	font-size: 11px;
	color: #78909c;
	display: flex;
	align-items: center;
	gap: 6px;
	flex-wrap: wrap;
}

.file-meta span{
	display: flex;
	align-items: center;
	gap: 3px;
}

.download-btn{
	width: 36px;
	height: 36px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s ease;
	box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
	flex-shrink: 0;
}

.download-btn img{
	width: 18px;
	height: 18px;
}

.download-item:hover .download-btn{
	transform: scale(1.1);
	box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

/* 页脚 */
.footer{
	padding: 14px 32px;
	text-align: center;
	font-size: 12px;
	color: #90a4ae;
	flex-shrink: 0;
	background: rgba(255, 255, 255, 0.3);
	border-top: 1px solid rgba(255, 255, 255, 0.5);
	transform: translateZ(15px);
}

/* 平板适配 */
@media (max-width: 1024px) and (min-width: 769px) {
	.download-container{
		width: 560px;
		height: 720px;
	}
}

/* 移动端适配 */
@media (max-width: 768px){
	body{
		perspective: none;
	}
	
	.orb-1{
		width: 250px;
		height: 250px;
		left: 10%;
		top: 20%;
	}
	.orb-2{
		width: 200px;
		height: 200px;
		right: 15%;
		bottom: 20%;
	}
	
	.download-container{
		width: 92vw;
		height: 85vh;
		max-height: 800px;
		border-radius: 20px;
		transform: translate(-50%, -50%) !important;
		transform-style: flat;
		box-shadow: 0 20px 60px rgba(150, 190, 230, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
	}
	
	.header,
	.dropdown-container,
	.scrollable-wrapper,
	.version-info,
	.download-item,
	.footer{
		transform: none !important;
	}
	
	.download-item:hover{
		transform: translateY(-2px);
	}
	
	.header{
		padding: 20px 20px;
		gap: 12px;
	}
	
	.logo{
		width: 36px;
		height: 36px;
	}
	
	.logo img{
		width: 28px;
		height: 28px;
	}
	
	.title{
		font-size: 20px;
	}
	
	.dropdown-container{
		padding: 12px 20px;
	}
	
	.dropdown-menu{
		left: 20px;
		right: 20px;
	}
	
	.scrollable-content{
		padding: 16px 20px 24px;
	}
	
	.version-info{
		padding: 14px;
	}
	
	.download-item{
		padding: 12px 14px;
	}
	
	.platform-icon{
		width: 36px;
		height: 36px;
	}
	
	.platform-icon img{
		width: 20px;
		height: 20px;
	}
	
	.platform-name{
		font-size: 13px;
	}
	
	.footer{
		padding: 10px 20px;
		font-size: 11px;
	}
	
	.scroll-hint{
		height: 60px;
	}
	
	.scroll-hint-text{
		font-size: 11px;
	}
	
	.scroll-hint-btn{
		width: 36px;
		height: 36px;
	}
}

/* 小屏手机适配 */
@media (max-width: 380px){
	.download-container{
		width: 96vw;
		height: 88vh;
		border-radius: 16px;
	}
	
	.title{
		font-size: 18px;
	}
	
	.dropdown-trigger{
		padding: 12px 14px;
	}
	
	.dropdown-value{
		font-size: 14px;
	}
}

.modal-overlay {
	position: fixed;
	top: 0; left: 0; width: 100vw; height: 100vh;
	background: rgba(0,0,0,0.5);
	backdrop-filter: blur(5px);
	display: flex; align-items: center; justify-content: center;
	z-index: 9999;
	opacity: 0; pointer-events: none;
	transition: opacity 0.3s ease;
}
.modal-overlay.active {
	opacity: 1; pointer-events: auto;
}
.modal-content {
	background: white; border-radius: 16px; padding: 24px;
	width: 480px; max-width: 90vw;
	box-shadow: 0 20px 40px rgba(0,0,0,0.2);
	transform: translateY(20px);
	transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content {
	transform: translateY(0);
}
.modal-content h3 { color: #1a237e; margin-bottom: 16px; }
.modal-content p { color: #455a64; line-height: 1.6; font-size: 14px; margin-bottom: 24px; }
.modal-actions { text-align: right; }
.modal-btn {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white; border: none; padding: 10px 24px; border-radius: 8px;
	cursor: pointer; font-weight: 600; font-size: 14px;
}