/* ========================================
   Download 页面专用样式
   所有选择器必须以 .nc-download 开头
   完全复用 VIP 页面设计系统，与 nc-vip 模块风格统一
   参考 BitStarz 下载页面风格
   ======================================== */

.nc-download {
	background-color: #020617;
	color: var(--nc-text-body);
}

/* ========================================
   Hero 区 - 参考 VIP hero 风格
   ======================================== */

.nc-download__hero {
	padding: 60px 0 80px;
	background: radial-gradient(circle at top, #9d35ff 0%, #3e0f62 45%, #120f1b 100%);
	position: relative;
	overflow: hidden;
}

.nc-download__hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at top, rgba(154, 76, 255, 0.2), transparent 60%);
	z-index: 0;
}

.nc-download__hero-card {
	max-width: 1100px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
}

.nc-download__hero-card-inner {
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
	backdrop-filter: blur(10px);
	border-radius: 24px;
	padding: 40px;
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
	border: 1px solid rgba(255, 255, 255, 0.1);
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
	gap: 40px;
	align-items: center;
}

.nc-download__hero-content {
	color: #ffffff;
}

.nc-download__hero-title {
	font-size: 42px;
	font-weight: 800;
	color: #ffffff;
	margin: 0 0 16px;
	line-height: 1.2;
}

.nc-download__hero-subtitle {
	font-size: 18px;
	color: #e5e7eb;
	margin: 0 0 12px;
	line-height: 1.5;
}

.nc-download__hero-desc {
	font-size: 14px;
	color: #cbd5e1;
	margin: 0 0 24px;
	line-height: 1.6;
}

.nc-download__hero-buttons {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 24px;
}

.nc-download__platform-tag {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 20px;
	border-radius: 999px;
	background: linear-gradient(180deg, #ffd54a, #ffb800);
	color: #111827;
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
	box-shadow: 0 4px 12px rgba(255, 211, 105, 0.3);
	transition: all 0.18s ease;
	border: none;
	cursor: pointer;
}

.nc-download__platform-tag:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(255, 211, 105, 0.4);
	text-decoration: none;
}

.nc-download__platform-tag-icon {
	font-size: 18px;
	line-height: 1;
}

.nc-download__hero-device {
	display: flex;
	justify-content: center;
	align-items: center;
}

.nc-download__device-mockup {
	width: 100%;
	max-width: 350px;
	aspect-ratio: 1;
	display: flex;
	align-items: center;
	justify-content: center;
}

.nc-download__mockup-img {
	width: 100%;
	max-width: 420px;
	display: block;
	margin: 0 auto;
	border-radius: 20px;
	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.nc-download__mockup-placeholder {
	width: 100%;
	max-width: 420px;
	height: 280px;
	margin: 0 auto;
	background: rgba(255, 255, 255, 0.05);
	border-radius: 20px;
	border: 1px dashed rgba(255, 255, 255, 0.2);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 100px;
}

/* ========================================
   平台"等级式"区 - 参考 VIP tier 卡片风格
   ======================================== */

.nc-download__tiers {
	padding: 64px 0;
	background-color: #020617;
}

.nc-download__section-title {
	font-size: 32px;
	font-weight: 800;
	color: var(--nc-text-primary);
	text-align: center;
	margin: 0 0 12px;
}

.nc-download__section-subtitle {
	font-size: 15px;
	color: var(--nc-text-body);
	text-align: center;
	margin: 0 0 40px;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

.nc-download__tiers-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 20px;
}

.nc-download__tier {
	background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.15), #0f172a 60%);
	border-radius: 20px;
	padding: 24px 20px;
	box-shadow: 0 18px 45px rgba(0, 0, 0, 0.8);
	transition: transform 0.18s ease, box-shadow 0.18s ease;
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.nc-download__tier:hover {
	transform: translateY(-6px);
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.95);
}

.nc-download__tier-header {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 16px;
}

.nc-download__tier-icon {
	font-size: 32px;
	line-height: 1;
}

.nc-download__tier-name {
	font-size: 22px;
	font-weight: 700;
	color: #ffffff;
	margin: 0;
}

.nc-download__tier-highlight {
	font-size: 13px;
	color: #a5b4fc;
	margin-bottom: 16px;
	padding-bottom: 16px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	font-weight: 600;
}

.nc-download__tier-benefits {
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.nc-download__tier-benefits li {
	font-size: 13px;
	color: #e5e7eb;
	padding-left: 20px;
	position: relative;
	line-height: 1.5;
}

.nc-download__tier-benefits li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: #4ade80;
	font-weight: 700;
}

.nc-download__tier-btn {
	width: 100%;
	justify-content: center;
}

/* 各平台颜色 */
.nc-download__tier--windows {
	background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.25), #0f172a 60%);
	border-color: rgba(96, 165, 250, 0.4);
}

.nc-download__tier--windows:hover {
	box-shadow: 0 24px 60px rgba(59, 130, 246, 0.4);
}

.nc-download__tier--macos {
	background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.25), #0f172a 60%);
	border-color: rgba(203, 213, 225, 0.4);
}

.nc-download__tier--macos:hover {
	box-shadow: 0 24px 60px rgba(148, 163, 184, 0.4);
}

.nc-download__tier--android {
	background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.25), #0f172a 60%);
	border-color: rgba(74, 222, 128, 0.4);
}

.nc-download__tier--android:hover {
	box-shadow: 0 24px 60px rgba(34, 197, 94, 0.4);
}

.nc-download__tier--ios {
	background: radial-gradient(circle at top left, rgba(139, 92, 246, 0.25), #0f172a 60%);
	border-color: rgba(167, 139, 250, 0.4);
}

.nc-download__tier--ios:hover {
	box-shadow: 0 24px 60px rgba(139, 92, 246, 0.4);
}

/* ========================================
   步骤区 - 参考 VIP steps 风格
   ======================================== */

.nc-download__steps {
	padding: 64px 0;
	background: linear-gradient(180deg, #020617 0%, #0f172a 100%);
}

.nc-download__steps-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 32px;
}

.nc-download__step {
	text-align: center;
}

.nc-download__step-number {
	width: 64px;
	height: 64px;
	border-radius: 50%;
	background: linear-gradient(135deg, #4f46e5, #06b6d4);
	color: #ffffff;
	font-size: 28px;
	font-weight: 800;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 20px;
	box-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
}

.nc-download__step-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--nc-text-primary);
	margin: 0 0 12px;
}

.nc-download__step-desc {
	font-size: 14px;
	color: var(--nc-text-body);
	line-height: 1.6;
	margin: 0;
}

/* ========================================
   特性区 - 参考 VIP benefits 风格
   ======================================== */

.nc-download__features {
	padding: 64px 0;
	background-color: #020617;
}

.nc-download__features-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 24px;
}

.nc-download__feature-card {
	background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.1), #0f172a 60%);
	border-radius: 18px;
	padding: 28px 24px;
	text-align: center;
	box-shadow: 0 18px 45px rgba(0, 0, 0, 0.8);
	border: 1px solid rgba(255, 255, 255, 0.08);
	transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.nc-download__feature-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.95);
}

.nc-download__feature-icon {
	font-size: 48px;
	margin-bottom: 16px;
	display: block;
	line-height: 1;
}

.nc-download__feature-title {
	font-size: 18px;
	font-weight: 700;
	color: var(--nc-text-primary);
	margin: 0 0 12px;
}

.nc-download__feature-desc {
	font-size: 13px;
	color: var(--nc-text-body);
	line-height: 1.6;
	margin: 0;
}

/* ========================================
   系统需求区 - 参考 VIP 信息卡片风格
   ======================================== */

.nc-download__requirements {
	padding: 64px 0;
	background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

.nc-download__requirements-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 20px;
}

.nc-download__requirement-card {
	background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.15), #0f172a 60%);
	border-radius: 20px;
	padding: 24px 20px;
	box-shadow: 0 18px 45px rgba(0, 0, 0, 0.8);
	border: 1px solid rgba(255, 255, 255, 0.08);
	transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.nc-download__requirement-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.95);
}

.nc-download__requirement-title {
	font-size: 20px;
	font-weight: 700;
	color: #ffffff;
	margin: 0 0 16px;
	padding-bottom: 16px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nc-download__requirement-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.nc-download__requirement-list li {
	font-size: 13px;
	color: #e5e7eb;
	padding-left: 20px;
	position: relative;
	line-height: 1.5;
}

.nc-download__requirement-list li::before {
	content: "•";
	color: #a5b4fc;
	font-size: 18px;
	position: absolute;
	left: 0;
	top: 0;
}

/* ========================================
   底部 CTA 区 - 参考 VIP 底部风格
   ======================================== */

.nc-download__cta {
	padding: 64px 0 80px;
	background: linear-gradient(180deg, #020617 0%, #0f172a 100%);
}

.nc-download__cta-inner {
	text-align: center;
	max-width: 600px;
	margin: 0 auto;
}

.nc-download__cta-title {
	font-size: 32px;
	font-weight: 800;
	color: var(--nc-text-primary);
	margin: 0 0 16px;
}

.nc-download__cta-desc {
	font-size: 15px;
	color: var(--nc-text-body);
	line-height: 1.6;
	margin: 0 0 32px;
}

.nc-download__cta-button {
	background: linear-gradient(180deg, #ffd54a, #ffb800);
	color: #111827;
	font-weight: 700;
	padding: 12px 32px;
	font-size: 16px;
	min-width: 200px;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1024px) {
	.nc-download__hero-card-inner {
		grid-template-columns: minmax(0, 1fr);
		gap: 28px;
		padding: 32px;
	}
	
	.nc-download__hero-device {
		order: -1;
	}
	
	.nc-download__tiers-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	
	.nc-download__features-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	
	.nc-download__requirements-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 768px) {
	.nc-download__hero {
		padding: 40px 0 56px;
	}
	
	.nc-download__hero-card-inner {
		padding: 24px;
	}
	
	.nc-download__hero-title {
		font-size: 32px;
	}
	
	.nc-download__hero-subtitle {
		font-size: 16px;
	}
	
	.nc-download__hero-buttons {
		flex-direction: column;
	}
	
	.nc-download__platform-tag {
		width: 100%;
		justify-content: center;
	}
	
	.nc-download__tiers,
	.nc-download__steps,
	.nc-download__features,
	.nc-download__requirements,
	.nc-download__cta {
		padding: 48px 0;
	}
	
	.nc-download__section-title {
		font-size: 26px;
	}
	
	.nc-download__tiers-grid,
	.nc-download__steps-grid,
	.nc-download__features-grid,
	.nc-download__requirements-grid {
		grid-template-columns: 1fr;
		gap: 22px;
	}
	
	.nc-download__tier {
		border-radius: 18px;
		padding: 22px 18px;
	}
	
	.nc-download__cta-title {
		font-size: 26px;
	}
	
	/* 移动端按钮居中优化 */
	.nc-download__platform-tag {
		display: flex !important;
		margin-left: auto !important;
		margin-right: auto !important;
		width: 90% !important;
		max-width: 320px !important;
	}
	
	.nc-download__tier-btn {
		display: flex !important;
		margin-left: auto !important;
		margin-right: auto !important;
		width: 90% !important;
		max-width: 320px !important;
	}
	
	.nc-download__cta-button {
		display: flex !important;
		margin-left: auto !important;
		margin-right: auto !important;
		width: 90% !important;
		max-width: 320px !important;
		justify-content: center !important;
	}
}

@media (max-width: 480px) {
	.nc-download__hero-title {
		font-size: 28px;
	}
	
	.nc-download__section-title {
		font-size: 22px;
	}
	
	.nc-download__tier-name {
		font-size: 20px;
	}
	
	.nc-download__step-number {
		width: 56px;
		height: 56px;
		font-size: 24px;
	}
	
	.nc-download__feature-icon {
		font-size: 40px;
	}
}