:root {
	--deep-blue: #020617;
	--accent: #22D3EE;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	background-color: #020617;
	font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

button {
	border: none;
	background: none;
}

/* ===== 布局 ===== */
.relative {
	position: relative;
}

.absolute {
	position: absolute;
}

.inset-0 {
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
}

.w-full {
	width: 100%;
}

.h-full {
	height: 100%;
}

.flex {
	display: flex;
}

.inline-flex {
	display: inline-flex;
}

.flex-col {
	flex-direction: column;
}

.flex-wrap {
	flex-wrap: wrap;
}

.items-center {
	align-items: center;
}

.justify-center {
	justify-content: center;
}

.justify-between {
	justify-content: space-between;
}

.flex-1 {
	flex: 1 1 0%;
}

.flex-shrink-0 {
	flex-shrink: 0;
}

.grid {
	display: grid;
}

.gap-1 {
	gap: 0.25rem;
}

.gap-2 {
	gap: 0.5rem;
}

.gap-3 {
	gap: 0.75rem;
}

.gap-4 {
	gap: 1rem;
}

.gap-8 {
	gap: 2rem;
}

.space-y-2>*+* {
	margin-top: 0.5rem;
}

.self-end {
	align-self: flex-end;
}

.overflow-hidden {
	overflow: hidden;
}

.pointer-events-none {
	pointer-events: none;
}

.mx-auto {
	margin-left: auto;
	margin-right: auto;
}

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

.text-left {
	text-align: left;
}

.hidden {
	display: none;
}

.block {
	display: block;
}

/* ===== 间距 ===== */
.mt-1 {
	margin-top: 0.25rem;
}

.mt-2 {
	margin-top: 0.5rem;
}

.mt-3 {
	margin-top: 0.75rem;
}

.mt-4 {
	margin-top: 1rem;
}

.mt-10 {
	margin-top: 2.5rem;
}

.mb-2 {
	margin-bottom: 0.5rem;
}

.mb-3 {
	margin-bottom: 0.75rem;
}

.mb-4 {
	margin-bottom: 1rem;
}

.mb-5 {
	margin-bottom: 1.25rem;
}

.mb-6 {
	margin-bottom: 1.5rem;
}

.mb-8 {
	margin-bottom: 2rem;
}

.mb-12 {
	margin-bottom: 3rem;
}

.mb-16 {
	margin-bottom: 4rem;
}

.mb-20 {
	margin-bottom: 5rem;
}

.ml-3 {
	margin-left: 0.75rem;
}

.ml-4 {
	margin-left: 1rem;
}

.px-3 {
	padding-left: 0.75rem;
	padding-right: 0.75rem;
}

.px-4 {
	padding-left: 1rem;
	padding-right: 1rem;
}

.px-5 {
	padding-left: 1.25rem;
	padding-right: 1.25rem;
}

.px-8 {
	padding-left: 2rem;
	padding-right: 2rem;
}

.px-10 {
	padding-left: 2.5rem;
	padding-right: 2.5rem;
}

.py-0\.5 {
	padding-top: 0.125rem;
	padding-bottom: 0.125rem;
}

.py-1 {
	padding-top: 0.25rem;
	padding-bottom: 0.25rem;
}

.py-1\.5 {
	padding-top: 0.375rem;
	padding-bottom: 0.375rem;
}

.py-2 {
	padding-top: 0.5rem;
	padding-bottom: 0.5rem;
}

.py-4 {
	padding-top: 1rem;
	padding-bottom: 1rem;
}

.py-12 {
	padding-top: 3rem;
	padding-bottom: 3rem;
}

.py-16 {
	padding-top: 4rem;
	padding-bottom: 4rem;
}

.py-20 {
	padding-top: 5rem;
	padding-bottom: 5rem;
}

.pt-4 {
	padding-top: 1rem;
}

.pt-8 {
	padding-top: 2rem;
}

.pb-2 {
	padding-bottom: 0.5rem;
}

/* ===== 文本 ===== */
.text-xs {
	font-size: 0.75rem;
}

.text-sm {
	font-size: 0.875rem;
}

.text-base {
	font-size: 1rem;
}

.text-lg {
	font-size: 1.125rem;
}

.text-xl {
	font-size: 1.25rem;
}

.text-2xl {
	font-size: 1.5rem;
}

.text-3xl {
	font-size: 1.875rem;
}

.text-4xl {
	font-size: 2.25rem;
}

.text-5xl {
	font-size: 3rem;
}

.font-bold {
	font-weight: 700;
}

.font-extrabold {
	font-weight: 800;
}

.font-semibold {
	font-weight: 600;
}

.font-medium {
	font-weight: 500;
}

.font-mono {
	font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
}

.uppercase {
	text-transform: uppercase;
}

.tracking-tight {
	letter-spacing: -0.025em;
}

.tracking-widest {
	letter-spacing: 0.1em;
}

.leading-tight {
	line-height: 1.25;
}

.leading-relaxed {
	line-height: 1.625;
}

.text-white {
	color: #F8FAFC;
}

.text-white\/30 {
	color: rgba(255, 255, 255, 0.3);
}

.text-white\/40 {
	color: rgba(255, 255, 255, 0.4);
}

.text-white\/50 {
	color: rgba(255, 255, 255, 0.5);
}

.text-white\/60 {
	color: rgba(255, 255, 255, 0.6);
}

.text-white\/70 {
	color: rgba(255, 255, 255, 0.7);
}

.text-white\/80 {
	color: rgba(255, 255, 255, 0.8);
}

.text-accent {
	color: #22D3EE;
}

.text-accent\/60 {
	color: rgba(34, 211, 238, 0.6);
}

.text-deep-blue {
	color: #020617;
}

.text-\[#64748B\] {
	color: #64748B;
}

.text-\[#475569\] {
	color: #475569;
}

.hover\:text-white:hover {
	color: #F8FAFC;
}

.hover\:text-accent:hover {
	color: #22D3EE;
}

/* ===== 背景 ===== */
.bg-white\/\[0\.02\] {
	background-color: rgba(255, 255, 255, 0.02);
}

.bg-white\/10 {
	background-color: rgba(255, 255, 255, 0.1);
}

.bg-white\/5 {
	background-color: rgba(255, 255, 255, 0.05);
}

.bg-accent\/5 {
	background-color: rgba(34, 211, 238, 0.05);
}

.bg-accent\/10 {
	background-color: rgba(34, 211, 238, 0.1);
}

.bg-accent\/20 {
	background-color: rgba(34, 211, 238, 0.2);
}

.bg-accent {
	background-color: #22D3EE;
}

.bg-\[\#020617\]\/80 {
	background-color: rgba(2, 6, 23, 0.8);
}

.hover\:bg-white\/10:hover {
	background-color: rgba(255, 255, 255, 0.1);
}

.bg-gradient-to-b {
	background-image: linear-gradient(to bottom, var(--tw-gradient-from), var(--tw-gradient-to));
}

.bg-gradient-to-br {
	background-image: linear-gradient(to bottom right, var(--tw-gradient-from), var(--tw-gradient-to));
}

.bg-gradient-to-r {
	background-image: linear-gradient(to right, var(--tw-gradient-from), var(--tw-gradient-to));
}

.from-\[\#020617\] {
	--tw-gradient-from: #020617;
	--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(0, 0, 0, 0));
}

.via-\[\#020617\] {
	--tw-gradient-to: #020617;
}

.to-\[\#0a1a2a\] {
	--tw-gradient-to: #0a1a2a;
}

.from-blue-900 {
	--tw-gradient-from: #1e3a8a;
	--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(0, 0, 0, 0));
}

.via-cyan-900 {
	--tw-gradient-to: #164e63;
}

.to-black {
	--tw-gradient-to: #000;
}

.from-transparent {
	--tw-gradient-from: transparent;
	--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(0, 0, 0, 0));
}

.via-accent\/50 {
	--tw-gradient-to: rgba(34, 211, 238, 0.5);
}

.to-transparent {
	--tw-gradient-to: transparent;
}

/* ===== 边框 ===== */
.border {
	border-width: 1px;
}

.border-t {
	border-top-width: 1px;
}

.border-b {
	border-bottom-width: 1px;
}

.border-white\/5 {
	border-color: rgba(255, 255, 255, 0.05);
}

.border-white\/10 {
	border-color: rgba(255, 255, 255, 0.1);
}

.border-white\/20 {
	border-color: rgba(255, 255, 255, 0.2);
}

.border-white\/30 {
	border-color: rgba(255, 255, 255, 0.3);
}

.border-accent\/30 {
	border-color: rgba(34, 211, 238, 0.3);
}

.rounded-lg {
	border-radius: 0.5rem;
}

.rounded-xl {
	border-radius: 0.75rem;
}

.rounded-2xl {
	border-radius: 1rem;
}

.rounded-3xl {
	border-radius: 1.5rem;
}

.rounded-full {
	border-radius: 50%;
}

/* ===== 尺寸 ===== */
.w-3 {
	width: 0.75rem;
}

.h-3 {
	height: 0.75rem;
}

.w-4 {
	width: 1rem;
}

.h-4 {
	height: 1rem;
}

.w-5 {
	width: 1.25rem;
}

.h-5 {
	height: 1.25rem;
}

.w-6 {
	width: 1.5rem;
}

.h-6 {
	height: 1.5rem;
}

.w-8 {
	width: 2rem;
}

.h-8 {
	height: 2rem;
}

.w-12 {
	width: 3rem;
}

.h-12 {
	height: 3rem;
}

.w-96 {
	width: 24rem;
}

.h-96 {
	height: 24rem;
}

.h-px {
	height: 1px;
}

.w-full {
	width: 100%;
}

.max-w-2xl {
	max-width: 42rem;
}

.max-w-5xl {
	max-width: 64rem;
}

.max-w-7xl {
	max-width: 80rem;
}

.max-w-xl {
	max-width: 36rem;
}

/* ===== 位置 ===== */
.top-0 {
	top: 0;
}

.top-1\/4 {
	top: 25%;
}

.right-0 {
	right: 0;
}

.bottom-0 {
	bottom: 0;
}

.left-0 {
	left: 0;
}

.left-1\/2 {
	left: 50%;
}

.left-1\/4 {
	left: 25%;
}

.-translate-x-1\/2 {
	transform: translateX(-50%);
}

/* ===== 阴影 ===== */
.shadow-\[0_0_15px_rgba\(34\,211\,238\,0\.5\)\] {
	box-shadow: 0 0 15px rgba(34, 211, 238, 0.5);
}

/* ===== 特效 ===== */
.backdrop-blur-sm {
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
}

.backdrop-blur-md {
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
}

.opacity-20 {
	opacity: 0.2;
}

.opacity-80 {
	opacity: 0.8;
}

.transition-colors {
	transition-property: color, background-color, border-color;
	transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
	transition-duration: 150ms;
}

.transition-all {
	transition-property: all;
	transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.duration-300 {
	transition-duration: 300ms;
}

/* ===== 网格 ===== */
.grid-cols-1 {
	grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.col-span-2 {
	grid-column: span 2 / span 2;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
	.sm\:px-6 {
		padding-left: 1.5rem;
		padding-right: 1.5rem;
	}

	.sm\:text-4xl {
		font-size: 2.25rem;
	}

	.sm\:text-sm {
		font-size: 0.875rem;
	}
}

@media (min-width: 768px) {
	.md\:grid-cols-4 {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.md\:col-span-1 {
		grid-column: span 1 / span 1;
	}
}

@media (min-width: 1024px) {
	.lg\:grid-cols-2 {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.lg\:py-28 {
		padding-top: 7rem;
		padding-bottom: 7rem;
	}

	.lg\:px-8 {
		padding-left: 2rem;
		padding-right: 2rem;
	}

	.lg\:py-20 {
		padding-top: 5rem;
		padding-bottom: 5rem;
	}

	.lg\:text-5xl {
		font-size: 3rem;
	}

	.lg\:mb-28 {
		margin-bottom: 7rem;
	}
}

/* ===== 自定义动画 ===== */
@keyframes pulseGlow {

	0%,
	100% {
		box-shadow: 0 0 20px rgba(34, 211, 238, 0.4), 0 0 60px rgba(34, 211, 238, 0.2);
	}

	50% {
		box-shadow: 0 0 40px rgba(34, 211, 238, 0.8), 0 0 80px rgba(34, 211, 238, 0.4);
	}
}

.cta-btn-main {
	animation: pulseGlow 2s ease-in-out infinite;
}

.cta-btn-main:hover {
	animation: none;
	transform: scale(1.05);
	box-shadow: 0 0 50px rgba(34, 211, 238, 0.9), 0 0 80px rgba(34, 211, 238, 0.6);
}

/* FAQ样式 */
.faq-item {
	background-color: rgba(255, 255, 255, 0.02);
	border: 1px solid rgba(255, 255, 255, 0.05);
	border-radius: 0.75rem;
	padding: 1.25rem 1.5rem;
	margin-bottom: 0.75rem;
	cursor: pointer;
	transition: all 0.3s ease;
}

.faq-item:hover {
	background-color: rgba(255, 255, 255, 0.05);
	border-color: rgba(255, 255, 255, 0.1);
}

.faq-item.open {
	background-color: rgba(255, 255, 255, 0.03);
	border-color: rgba(34, 211, 238, 0.2);
}

.faq-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	background-color: transparent;
}

.faq-question {
	font-size: 1rem;
	font-weight: 600;
	color: #F8FAFC;
	line-height: 1.5;
	background-color: transparent !important;
	border: none !important;
	outline: none !important;
	box-shadow: none !important;
	padding: 0 !important;
	margin: 0 !important;
}

.faq-answer {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
	max-height: 200px;
	padding-top: 0.75rem;
	padding-bottom: 0.25rem;
}

.faq-answer p {
	color: rgba(255, 255, 255, 0.6);
	font-size: 0.9375rem;
	line-height: 1.75;
	margin: 0;
}

.faq-icon {
	width: 1.5rem;
	height: 1.5rem;
	display: flex;
	justify-content: center;
	align-items: center;
	color: #22D3EE;
	font-size: 1.25rem;
	font-weight: 300;
	transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-icon {
	transform: rotate(45deg);
}

/* 模糊滤镜 */
.blur-\[150px\] {
	filter: blur(150px);
}

/* 悬停边框增强 */
.hover\:border-white\/10:hover {
	border-color: rgba(255, 255, 255, 0.1);
}