/* ============================================
   零号电玩 - 像素游戏风主题 CSS
   ============================================ */

/* --- 自定义像素字体回退 --- */
@font-face {
	font-family: 'PixelFallback';
	src: local('Courier New');
	size-adjust: 90%;
}

/* --- CSS 变量 / 复古调色板 --- */
:root {
	--bg-dark: #0a0a1a;
	--bg-mid: #111128;
	--bg-card: #18183a;
	--bg-card-hover: #1e1e48;
	--neon-green: #00ff88;
	--neon-cyan: #00e5ff;
	--neon-pink: #ff69b4;
	--neon-yellow: #ffd740;
	--neon-orange: #ff9100;
	--neon-red: #ff4444;
	--neon-purple: #b388ff;
	--text-primary: #e0e8f0;
	--text-secondary: #8899aa;
	--text-dim: #556677;
	--border-pixel: #334466;
	--border-bright: #5577aa;
	--pixel-size: 4px;
	--font-pixel: 'Press Start 2P', 'PixelFallback', monospace;
	--font-body: 'VT323', 'Courier New', monospace;
	--shadow-neon-green: 0 0 10px rgba(0, 255, 136, 0.4), 0 0 40px rgba(0, 255, 136, 0.15);
	--shadow-neon-cyan: 0 0 10px rgba(0, 229, 255, 0.4), 0 0 40px rgba(0, 229, 255, 0.15);
	--shadow-neon-pink: 0 0 10px rgba(255, 105, 180, 0.4), 0 0 40px rgba(255, 105, 180, 0.15);
}

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

html {
	scroll-behavior: smooth;
	image-rendering: pixelated;
	image-rendering: crisp-edges;
}

body {
	font-family: var(--font-body);
	font-size: 22px;
	line-height: 1.5;
	color: var(--text-primary);
	background-color: var(--bg-dark);
	background-image:
		linear-gradient(rgba(0, 229, 255, 0.02) 1px, transparent 1px),
		linear-gradient(90deg, rgba(0, 229, 255, 0.02) 1px, transparent 1px);
	background-size: 32px 32px;
	overflow-x: hidden;
	image-rendering: pixelated;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* --- CRT 扫描线覆盖 --- */
.crt-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 9999;
	background: repeating-linear-gradient(
		0deg,
		transparent,
		transparent 2px,
		rgba(0, 0, 0, 0.04) 2px,
		rgba(0, 0, 0, 0.04) 4px
	);
}

/* --- 像素星星背景 --- */
.pixel-stars {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 0;
	background-image:
		radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.6), transparent),
		radial-gradient(2px 2px at 20% 60%, rgba(255,255,255,0.5), transparent),
		radial-gradient(1px 1px at 30% 10%, rgba(255,255,255,0.7), transparent),
		radial-gradient(2px 2px at 40% 80%, rgba(255,255,255,0.4), transparent),
		radial-gradient(1px 1px at 50% 30%, rgba(255,255,255,0.6), transparent),
		radial-gradient(2px 2px at 60% 50%, rgba(255,255,255,0.5), transparent),
		radial-gradient(1px 1px at 70% 90%, rgba(255,255,255,0.6), transparent),
		radial-gradient(2px 2px at 80% 15%, rgba(255,255,255,0.5), transparent),
		radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.7), transparent),
		radial-gradient(1px 1px at 15% 40%, rgba(0,255,136,0.5), transparent),
		radial-gradient(2px 2px at 45% 25%, rgba(0,229,255,0.5), transparent),
		radial-gradient(1px 1px at 75% 65%, rgba(255,105,180,0.5), transparent),
		radial-gradient(2px 2px at 55% 75%, rgba(0,255,136,0.4), transparent),
		radial-gradient(1px 1px at 25% 85%, rgba(255,215,64,0.5), transparent);
}

/* ============================================
   导航栏 - 像素风
   ============================================ */
.navbar {
	background: var(--bg-mid);
	padding: 0.8rem 0;
	position: fixed;
	top: 0;
	width: 100%;
	z-index: 1000;
	border-bottom: 4px solid var(--neon-cyan);
	box-shadow:
		0 4px 0 0 var(--border-pixel),
		0 8px 20px rgba(0, 0, 0, 0.5),
		0 0 20px rgba(0, 229, 255, 0.15);
	transition: all 0.3s ease;
}

.navbar.scrolled {
	background: rgba(17, 17, 40, 0.97);
	border-bottom-color: var(--neon-green);
	box-shadow:
		0 4px 0 0 var(--border-pixel),
		0 8px 20px rgba(0, 0, 0, 0.6),
		0 0 30px rgba(0, 255, 136, 0.2);
}

.nav-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo-icon {
	font-size: 2rem;
	animation: pixelBounce 1s steps(2) infinite;
	image-rendering: pixelated;
}

.logo-text {
	font-family: var(--font-pixel);
	font-size: 0.9rem;
	color: var(--neon-cyan);
	text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
	letter-spacing: 2px;
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: 1.5rem;
}

.nav-menu a {
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	color: var(--text-primary);
	text-decoration: none;
	padding: 8px 12px;
	border: 2px solid transparent;
	transition: all 0.15s steps(2);
	position: relative;
}

.nav-menu a:hover {
	color: var(--neon-green);
	border-color: var(--neon-green);
	text-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
	box-shadow:
		inset 0 0 0 2px rgba(0, 255, 136, 0.2),
		0 0 12px rgba(0, 255, 136, 0.2);
}

.nav-menu a::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 100%;
	height: 2px;
	background: var(--neon-green);
	transform: scaleX(0);
	transition: transform 0.15s steps(2);
}

.nav-menu a:hover::after {
	transform: scaleX(1);
}

/* 汉堡菜单 */
.hamburger {
	display: none;
	flex-direction: column;
	cursor: pointer;
	gap: 5px;
	padding: 5px;
}

.hamburger span {
	width: 28px;
	height: 4px;
	background: var(--neon-cyan);
	transition: all 0.15s steps(2);
	box-shadow: 0 0 6px rgba(0, 229, 255, 0.4);
}

.hamburger.active span:nth-child(1) {
	transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
	opacity: 0;
}

.hamburger.active span:nth-child(3) {
	transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   英雄横幅 - 像素街机风
   ============================================ */
.hero {
	margin-top: 72px;
	padding: 80px 0 60px;
	background:
		linear-gradient(180deg, #0a0a2e 0%, #12124a 40%, #1a1040 70%, #0a0a1a 100%);
	position: relative;
	overflow: hidden;
	min-height: 600px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.hero::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background:
		repeating-linear-gradient(
			0deg,
			transparent,
			transparent 3px,
			rgba(255, 255, 255, 0.015) 3px,
			rgba(255, 255, 255, 0.015) 6px
		);
	pointer-events: none;
	z-index: 1;
}

/* 霓虹网格背景 */
.hero::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 60%;
	background:
		linear-gradient(90deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px),
		linear-gradient(0deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px);
	background-size: 40px 40px;
	transform: perspective(500px) rotateX(40deg);
	transform-origin: bottom center;
	pointer-events: none;
	z-index: 1;
	mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 100%);
	-webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 100%);
}

.hero-content {
	position: relative;
	z-index: 2;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
	align-items: center;
}

.pixel-badge {
	display: inline-block;
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	color: var(--neon-yellow);
	background: var(--bg-card);
	border: 2px solid var(--neon-yellow);
	padding: 10px 18px;
	margin-bottom: 1.5rem;
	text-shadow: 0 0 8px rgba(255, 215, 64, 0.5);
	box-shadow:
		4px 4px 0 0 rgba(255, 215, 64, 0.2),
		0 0 15px rgba(255, 215, 64, 0.15);
	animation: pixelGlow 2s ease-in-out infinite;
}

.hero-text h1 {
	font-family: var(--font-pixel);
	font-size: 1.8rem;
	line-height: 1.5;
	margin-bottom: 1.2rem;
	color: var(--text-primary);
	text-shadow:
		4px 4px 0 rgba(0, 0, 0, 0.5),
		0 0 20px rgba(0, 229, 255, 0.2);
}

.neon-text {
	color: var(--neon-green);
	text-shadow:
		0 0 7px rgba(0, 255, 136, 0.6),
		0 0 20px rgba(0, 255, 136, 0.3),
		0 0 40px rgba(0, 255, 136, 0.15),
		0 0 80px rgba(0, 255, 136, 0.1);
	animation: neonFlicker 3s ease-in-out infinite;
}

.hero-text p {
	font-family: var(--font-body);
	font-size: 1.4rem;
	margin-bottom: 2rem;
	color: var(--text-secondary);
	line-height: 1.6;
}

.hero-buttons {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

/* 像素按钮 */
.btn-pixel {
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	padding: 16px 28px;
	background: var(--neon-green);
	color: #0a0a1a;
	border: none;
	text-decoration: none;
	cursor: pointer;
	position: relative;
	box-shadow:
		4px 0 0 0 var(--neon-green),
		-4px 0 0 0 var(--neon-green),
		0 4px 0 0 #00bb66,
		0 -4px 0 0 var(--neon-green),
		4px 4px 0 0 #00bb66,
		-4px 4px 0 0 #00bb66,
		0 0 15px rgba(0, 255, 136, 0.4);
	transition: all 0.1s steps(2);
	text-align: center;
	display: inline-block;
	letter-spacing: 1px;
}

.btn-pixel:hover {
	transform: translate(-2px, -2px);
	box-shadow:
		6px 0 0 0 var(--neon-green),
		-6px 0 0 0 var(--neon-green),
		0 6px 0 0 #00bb66,
		0 -6px 0 0 var(--neon-green),
		6px 6px 0 0 #00bb66,
		-6px 6px 0 0 #00bb66,
		0 0 25px rgba(0, 255, 136, 0.6);
}

.btn-pixel:active {
	transform: translate(2px, 2px);
	box-shadow:
		2px 0 0 0 var(--neon-green),
		-2px 0 0 0 var(--neon-green),
		0 2px 0 0 #00bb66,
		0 -2px 0 0 var(--neon-green),
		2px 2px 0 0 #00bb66,
		-2px 2px 0 0 #00bb66;
}

.btn-pixel-outline {
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	padding: 16px 28px;
	background: transparent;
	color: var(--neon-cyan);
	border: none;
	text-decoration: none;
	cursor: pointer;
	position: relative;
	box-shadow:
		4px 0 0 0 var(--neon-cyan),
		-4px 0 0 0 var(--neon-cyan),
		0 4px 0 0 var(--neon-cyan),
		0 -4px 0 0 var(--neon-cyan),
		4px 4px 0 0 var(--neon-cyan),
		-4px 4px 0 0 var(--neon-cyan),
		0 0 15px rgba(0, 229, 255, 0.3);
	transition: all 0.1s steps(2);
	text-align: center;
	display: inline-block;
	letter-spacing: 1px;
}

.btn-pixel-outline:hover {
	color: #0a0a1a;
	background: var(--neon-cyan);
	transform: translate(-2px, -2px);
	box-shadow:
		6px 0 0 0 var(--neon-cyan),
		-6px 0 0 0 var(--neon-cyan),
		0 6px 0 0 #00aac4,
		0 -6px 0 0 var(--neon-cyan),
		6px 6px 0 0 #00aac4,
		-6px 6px 0 0 #00aac4,
		0 0 25px rgba(0, 229, 255, 0.6);
}

.btn-block {
	display: block;
	width: 100%;
}

/* 像素框架 */
.pixel-frame {
	position: relative;
	padding: 8px;
	background: var(--bg-card);
	border: 4px solid var(--border-bright);
	box-shadow:
		0 0 0 4px var(--bg-dark),
		0 0 0 8px var(--border-pixel),
		8px 8px 0 0 rgba(0, 0, 0, 0.4),
		0 0 20px rgba(0, 229, 255, 0.15);
}

.pixel-frame img {
	width: 100%;
	height: auto;
	display: block;
	image-rendering: pixelated;
	border: 2px solid var(--border-pixel);
}

.hero-image .pixel-frame {
	animation: floatPixel 3s ease-in-out infinite;
}

/* 英雄底部装饰 */
.hero-decoration {
	position: relative;
	z-index: 2;
	width: 100%;
	margin-top: 40px;
}

.pixel-ground {
	height: 16px;
	background:
		repeating-linear-gradient(
			90deg,
			var(--neon-green) 0px,
			var(--neon-green) 4px,
			#00bb66 4px,
			#00bb66 8px,
			var(--neon-cyan) 8px,
			var(--neon-cyan) 12px,
			#00aac4 12px,
			#00aac4 16px
		);
	box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
	opacity: 0.8;
}

/* ============================================
   区块标题
   ============================================ */
.section-title {
	font-family: var(--font-pixel);
	font-size: 1.3rem;
	text-align: center;
	margin-bottom: 3rem;
	color: var(--text-primary);
	text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
	letter-spacing: 3px;
}

.title-deco {
	color: var(--neon-yellow);
	text-shadow: 0 0 8px rgba(255, 215, 64, 0.5);
	animation: pixelBounce 2s steps(2) infinite;
	display: inline-block;
}

.title-deco:last-child {
	animation-delay: 0.5s;
}

/* ============================================
   平台特色
   ============================================ */
.features {
	padding: 80px 0;
	background: var(--bg-mid);
	position: relative;
	z-index: 1;
}

.features::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background:
		radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
		radial-gradient(circle at 80% 50%, rgba(0, 229, 255, 0.03) 0%, transparent 50%);
	pointer-events: none;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	position: relative;
	z-index: 1;
}

/* 像素卡片 */
.pixel-card {
	background: var(--bg-card);
	border: 3px solid var(--border-pixel);
	padding: 2rem;
	text-align: center;
	position: relative;
	transition: all 0.15s steps(2);
	box-shadow:
		6px 6px 0 0 rgba(0, 0, 0, 0.3);
	cursor: pointer;
}

.pixel-card::before {
	content: '';
	position: absolute;
	top: -3px;
	left: -3px;
	right: -3px;
	bottom: -3px;
	border: 3px solid transparent;
	transition: border-color 0.2s ease;
	pointer-events: none;
}

.pixel-card:hover {
	transform: translate(-4px, -4px);
	box-shadow:
		10px 10px 0 0 rgba(0, 0, 0, 0.4);
	background: var(--bg-card-hover);
	border-color: var(--neon-green);
}

.pixel-card:hover::before {
	border-color: rgba(0, 255, 136, 0.2);
}

.card-pixels {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	background:
		linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.01) 40%, rgba(255,255,255,0.01) 60%, transparent 60%),
		linear-gradient(-45deg, transparent 40%, rgba(255,255,255,0.01) 40%, rgba(255,255,255,0.01) 60%, transparent 60%);
	opacity: 0;
	transition: opacity 0.3s ease;
}

.pixel-card:hover .card-pixels {
	opacity: 1;
}

.feature-card .card-icon {
	font-size: 2.8rem;
	margin-bottom: 1rem;
	display: block;
	image-rendering: pixelated;
	filter: drop-shadow(0 4px 0 rgba(0,0,0,0.3));
}

.feature-card h3 {
	font-family: var(--font-pixel);
	font-size: 0.85rem;
	margin-bottom: 0.8rem;
	color: var(--neon-cyan);
	text-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

.feature-card p {
	font-family: var(--font-body);
	font-size: 1.2rem;
	color: var(--text-secondary);
	line-height: 1.6;
}

/* ============================================
   游戏中心
   ============================================ */
.games {
	padding: 80px 0;
	background: var(--bg-dark);
	position: relative;
	z-index: 1;
}

.games-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.game-card {
	overflow: visible;
}

.game-card .game-image {
	height: 200px;
	overflow: hidden;
	border-bottom: 3px solid var(--border-pixel);
}

.pixel-image {
	position: relative;
}

.pixel-image::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background:
		repeating-linear-gradient(
			0deg,
			transparent,
			transparent 2px,
			rgba(0, 0, 0, 0.06) 2px,
			rgba(0, 0, 0, 0.06) 4px
		);
	pointer-events: none;
}

.pixel-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	image-rendering: pixelated;
	transition: transform 0.3s steps(3);
}

.game-card:hover .pixel-image img {
	transform: scale(1.08);
}

.game-info {
	padding: 1.5rem;
	position: relative;
}

.game-info h3 {
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	margin-bottom: 0.5rem;
	color: var(--neon-yellow);
}

.game-info p {
	font-family: var(--font-body);
	font-size: 1.2rem;
	color: var(--text-secondary);
}

.game-tag {
	position: absolute;
	top: -14px;
	right: 16px;
	font-family: var(--font-pixel);
	font-size: 0.65rem;
	padding: 5px 12px;
	background: var(--neon-red);
	color: #fff;
	box-shadow:
		3px 0 0 0 var(--neon-red),
		-3px 0 0 0 var(--neon-red),
		0 3px 0 0 #cc0000,
		0 -3px 0 0 var(--neon-red),
		3px 3px 0 0 #cc0000,
		-3px 3px 0 0 #cc0000;
	animation: pixelBounce 1s steps(2) infinite;
}

/* ============================================
   关于我们
   ============================================ */
.about {
	padding: 80px 0;
	background: var(--bg-mid);
	position: relative;
	z-index: 1;
}

.about-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
	align-items: center;
}

.about-text p {
	font-family: var(--font-body);
	font-size: 1.25rem;
	color: var(--text-secondary);
	margin-bottom: 2rem;
	line-height: 1.7;
}

.about-stats {
	display: flex;
	gap: 2rem;
	flex-wrap: wrap;
}

.pixel-stat {
	background: var(--bg-card);
	border: 3px solid var(--neon-cyan);
	padding: 1.2rem 1.5rem;
	text-align: center;
	box-shadow:
		5px 5px 0 0 rgba(0, 0, 0, 0.3),
		0 0 15px rgba(0, 229, 255, 0.1);
	transition: all 0.15s steps(2);
}

.pixel-stat:hover {
	transform: translate(-3px, -3px);
	box-shadow:
		8px 8px 0 0 rgba(0, 0, 0, 0.4),
		0 0 20px rgba(0, 229, 255, 0.2);
	border-color: var(--neon-green);
}

.stat-number {
	font-family: var(--font-pixel);
	font-size: 1.6rem;
	color: var(--neon-green);
	text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.pixel-stat span {
	font-family: var(--font-pixel);
	font-size: 0.9rem;
	color: var(--neon-cyan);
}

.pixel-stat p {
	font-family: var(--font-body);
	font-size: 1.15rem;
	color: var(--text-secondary);
	margin-top: 0.3rem;
	margin-bottom: 0 !important;
}

.about-image .pixel-frame {
	animation: floatPixel 4s ease-in-out infinite;
}

/* ============================================
   新闻资讯
   ============================================ */
.news {
	padding: 80px 0;
	background: var(--bg-dark);
	position: relative;
	z-index: 1;
}

.news-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.news-card .news-image {
	height: 150px;
	overflow: hidden;
	border-bottom: 3px solid var(--border-pixel);
}

.news-content {
	padding: 1.5rem;
}

.news-content h3 {
	font-family: var(--font-pixel);
	font-size: 0.75rem;
	margin-bottom: 0.8rem;
	color: var(--neon-cyan);
	line-height: 1.6;
}

.news-content p {
	font-family: var(--font-body);
	font-size: 1.2rem;
	color: var(--text-secondary);
	margin-bottom: 1rem;
	line-height: 1.5;
}

.news-date {
	font-family: var(--font-pixel);
	font-size: 0.65rem;
	color: var(--text-dim);
	display: inline-block;
	padding: 4px 8px;
	border: 1px solid var(--border-pixel);
	background: rgba(0, 0, 0, 0.2);
}

/* ============================================
   联系我们
   ============================================ */
.contact {
	padding: 80px 0;
	background: var(--bg-mid);
	position: relative;
	z-index: 1;
}

.contact-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
}

.pixel-contact {
	display: flex;
	align-items: center;
	gap: 1.2rem;
	padding: 1.2rem;
	background: var(--bg-card);
	border: 3px solid var(--border-pixel);
	margin-bottom: 1.5rem;
	box-shadow:
		5px 5px 0 0 rgba(0, 0, 0, 0.3);
	transition: all 0.15s steps(2);
}

.pixel-contact:hover {
	transform: translate(-3px, -3px);
	box-shadow:
		8px 8px 0 0 rgba(0, 0, 0, 0.4);
	border-color: var(--neon-green);
}

.contact-icon {
	font-size: 2rem;
	image-rendering: pixelated;
}

.pixel-contact h3 {
	font-family: var(--font-pixel);
	font-size: 0.75rem;
	color: var(--neon-cyan);
	margin-bottom: 0.3rem;
}

.pixel-contact p {
	font-family: var(--font-body);
	font-size: 1.25rem;
	color: var(--text-primary);
}

.pixel-form {
	background: var(--bg-card);
	padding: 2rem;
	border: 3px solid var(--border-pixel);
	box-shadow:
		6px 6px 0 0 rgba(0, 0, 0, 0.3);
}

.form-group {
	margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px 16px;
	background: var(--bg-dark);
	border: 3px solid var(--border-pixel);
	color: var(--text-primary);
	font-family: var(--font-body);
	font-size: 1.25rem;
	transition: all 0.15s steps(2);
	outline: none;
	resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
	color: var(--text-dim);
	font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
	border-color: var(--neon-green);
	box-shadow:
		0 0 0 3px rgba(0, 255, 136, 0.1),
		0 0 15px rgba(0, 255, 136, 0.15);
}

/* ============================================
   页脚 - 像素风
   ============================================ */
.footer {
	background: #070720;
	color: var(--text-primary);
	padding: 50px 0 20px;
	border-top: 4px solid var(--neon-purple);
	position: relative;
	z-index: 1;
}

.footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background:
		repeating-linear-gradient(
			90deg,
			transparent,
			transparent 1px,
			rgba(255, 255, 255, 0.005) 1px,
			rgba(255, 255, 255, 0.005) 2px
		);
	pointer-events: none;
}

.footer-content {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-section h3 {
	font-family: var(--font-pixel);
	font-size: 0.75rem;
	margin-bottom: 1rem;
	color: var(--neon-purple);
	text-shadow: 0 0 8px rgba(179, 136, 255, 0.3);
}

.footer-section p,
.footer-section ul {
	font-family: var(--font-body);
	font-size: 1.15rem;
	color: var(--text-secondary);
	line-height: 1.8;
}

.footer-section ul {
	list-style: none;
}

.footer-section ul li {
	margin-bottom: 0.3rem;
}

.footer-section ul li::before {
	content: '> ';
	color: var(--neon-green);
	font-family: var(--font-pixel);
}

.footer-section a {
	color: var(--text-secondary);
	text-decoration: none;
	transition: color 0.15s steps(2);
}

.footer-section a:hover {
	color: var(--neon-green);
	text-shadow: 0 0 6px rgba(0, 255, 136, 0.4);
}

.social-links {
	display: flex;
	gap: 1rem;
	margin-top: 1rem;
}

.social-links a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	font-size: 1.4rem;
	background: var(--bg-card);
	border: 2px solid var(--border-pixel);
	text-decoration: none;
	transition: all 0.15s steps(2);
	box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.3);
}

.social-links a:hover {
	background: var(--neon-purple);
	border-color: var(--neon-purple);
	transform: translate(-2px, -2px);
	box-shadow: 5px 5px 0 0 rgba(0, 0, 0, 0.4);
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 2px solid rgba(255, 255, 255, 0.06);
	font-family: var(--font-body);
	color: var(--text-dim);
	font-size: 1.05rem;
	position: relative;
	z-index: 1;
}

.footer-bottom p {
	margin-bottom: 0.4rem;
}

.pixel-divider {
	width: 120px;
	height: 8px;
	margin: 1rem auto 0;
	background:
		repeating-linear-gradient(
			90deg,
			var(--neon-green) 0px,
			var(--neon-green) 8px,
			var(--neon-cyan) 8px,
			var(--neon-cyan) 16px,
			var(--neon-purple) 16px,
			var(--neon-purple) 24px
		);
	opacity: 0.6;
}

/* ============================================
   动画关键帧
   ============================================ */
@keyframes pixelBounce {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-4px); }
}

@keyframes floatPixel {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-8px); }
}

@keyframes neonFlicker {
	0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
		text-shadow:
			0 0 7px rgba(0, 255, 136, 0.6),
			0 0 20px rgba(0, 255, 136, 0.3),
			0 0 40px rgba(0, 255, 136, 0.15),
			0 0 80px rgba(0, 255, 136, 0.1);
	}
	20%, 24%, 55% {
		text-shadow:
			0 0 3px rgba(0, 255, 136, 0.4),
			0 0 10px rgba(0, 255, 136, 0.2),
			0 0 20px rgba(0, 255, 136, 0.05);
	}
}

@keyframes pixelGlow {
	0%, 100% {
		box-shadow:
			4px 4px 0 0 rgba(255, 215, 64, 0.2),
			0 0 15px rgba(255, 215, 64, 0.15);
	}
	50% {
		box-shadow:
			4px 4px 0 0 rgba(255, 215, 64, 0.35),
			0 0 25px rgba(255, 215, 64, 0.3);
	}
}

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.fade-in-up {
	animation: fadeInUp 0.4s steps(6) forwards;
}

/* 加载旋转 */
.loading {
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 3px solid var(--bg-dark);
	border-top: 3px solid var(--neon-green);
	animation: spin 0.5s steps(8) infinite;
}

@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

/* ============================================
   消息提示 - 像素风
   ============================================ */
.message {
	font-family: var(--font-pixel);
	font-size: 0.7rem;
}

/* 回到顶部按钮 - 像素风 */
.back-to-top {
	width: 48px !important;
	height: 48px !important;
	font-family: var(--font-pixel);
	font-size: 0.9rem !important;
	background: var(--neon-green) !important;
	color: #0a0a1a !important;
	border: none !important;
	border-radius: 0 !important;
	box-shadow:
		4px 0 0 0 var(--neon-green),
		-4px 0 0 0 var(--neon-green),
		0 4px 0 0 #00bb66,
		0 -4px 0 0 var(--neon-green),
		4px 4px 0 0 #00bb66,
		-4px 4px 0 0 #00bb66,
		0 0 15px rgba(0, 255, 136, 0.4) !important;
	cursor: pointer;
	transition: all 0.15s steps(2) !important;
}

.back-to-top:hover {
	transform: translate(-2px, -2px);
	box-shadow:
		6px 0 0 0 var(--neon-green),
		-6px 0 0 0 var(--neon-green),
		0 6px 0 0 #00bb66,
		0 -6px 0 0 var(--neon-green),
		6px 6px 0 0 #00bb66,
		-6px 6px 0 0 #00bb66,
		0 0 25px rgba(0, 255, 136, 0.6) !important;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
	.hamburger {
		display: flex;
	}

	.nav-menu {
		position: fixed;
		left: -100%;
		top: 64px;
		flex-direction: column;
		background: rgba(10, 10, 30, 0.97);
		width: 100%;
		text-align: center;
		transition: left 0.2s steps(4);
		padding: 2rem 0;
		border-bottom: 4px solid var(--neon-cyan);
		box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
	}

	.nav-menu.active {
		left: 0;
	}

	.nav-menu li {
		margin: 1rem 0;
	}

	.nav-menu a {
		font-size: 0.9rem;
	}

	.hero {
		margin-top: 64px;
		padding: 40px 0;
		min-height: auto;
	}

	.hero-content {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 2rem;
	}

	.hero-text h1 {
		font-size: 1.2rem;
	}

	.hero-text p {
		font-size: 1.1rem;
	}

	.hero-buttons {
		justify-content: center;
		flex-wrap: wrap;
	}

	.btn-pixel,
	.btn-pixel-outline {
		font-size: 0.7rem;
		padding: 14px 22px;
	}

	.pixel-badge {
		font-size: 0.7rem;
	}

	.about-content {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

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

	.contact-content {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

	.features-grid,
	.games-grid,
	.news-grid {
		grid-template-columns: 1fr;
	}

	.footer-content {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.footer-section ul li::before {
		content: '';
	}

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

	.section-title {
		font-size: 1rem;
	}
}

@media (max-width: 480px) {
	body {
		font-size: 18px;
	}

	.hero-text h1 {
		font-size: 1rem;
	}

	.hero-text p {
		font-size: 1rem;
	}

	.features,
	.games,
	.about,
	.news,
	.contact {
		padding: 50px 0;
	}

	.section-title {
		font-size: 0.85rem;
		letter-spacing: 1px;
	}

	.about-stats {
		flex-direction: column;
		gap: 1rem;
	}

	.pixel-stat {
		padding: 1rem;
	}

	.stat-number {
		font-size: 1.3rem;
	}

	.game-info h3 {
		font-size: 0.7rem;
	}

	.feature-card h3 {
		font-size: 0.7rem;
	}

	.nav-menu a {
		font-size: 0.8rem;
	}

	.news-content h3 {
		font-size: 0.7rem;
	}

	.pixel-contact h3 {
		font-size: 0.7rem;
	}

	.footer-section h3 {
		font-size: 0.7rem;
	}
}

/* ============================================
   子页面 - 像素内容页样式（隐私/协议/负责任的游戏）
   ============================================ */
.pixel-page-content {
	max-width: 800px;
	margin: 0 auto;
	background: var(--bg-card);
	padding: 40px;
	border: 3px solid var(--border-pixel);
	box-shadow:
		8px 8px 0 0 rgba(0, 0, 0, 0.4),
		0 0 30px rgba(0, 229, 255, 0.08);
}

.pixel-page-content .section-title {
	text-align: center;
	margin-bottom: 2.5rem;
}

.pixel-page-section {
	margin-bottom: 1.8rem;
	padding: 1.2rem 1.5rem;
	background: var(--bg-dark);
	border: 2px solid var(--border-pixel);
	box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.25);
	transition: all 0.15s steps(2);
}

.pixel-page-section:hover {
	border-color: var(--neon-cyan);
	box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.35);
}

.pixel-page-section h2 {
	font-family: var(--font-pixel);
	font-size: 0.75rem;
	color: var(--neon-cyan);
	margin-bottom: 0.8rem;
	text-shadow: 0 0 6px rgba(0, 229, 255, 0.25);
}

.pixel-page-section p {
	font-family: var(--font-body);
	font-size: 1.2rem;
	color: var(--text-secondary);
	line-height: 1.8;
	margin-bottom: 0.5rem;
}

.pixel-page-section ul {
	list-style: none;
	margin-left: 0;
}

.pixel-page-section ul li {
	font-family: var(--font-body);
	font-size: 1.15rem;
	color: var(--text-secondary);
	line-height: 1.8;
	padding: 2px 0;
}

.pixel-page-section ul li::before {
	content: '◆ ';
	color: var(--neon-green);
	font-size: 0.6rem;
}

.pixel-page-warning {
	background: rgba(255, 68, 68, 0.08);
	border: 3px solid var(--neon-red);
	padding: 1.5rem;
	margin-top: 2rem;
	box-shadow:
		4px 4px 0 0 rgba(255, 68, 68, 0.2),
		0 0 15px rgba(255, 68, 68, 0.1);
}

.pixel-page-warning h3 {
	font-family: var(--font-pixel);
	font-size: 0.8rem;
	color: var(--neon-red);
	margin-bottom: 0.8rem;
	text-shadow: 0 0 8px rgba(255, 68, 68, 0.3);
}

.pixel-page-warning p {
	font-family: var(--font-body);
	font-size: 1.2rem;
	color: var(--text-primary);
	line-height: 1.7;
	margin: 0;
}

.pixel-page-footer {
	margin-top: 2.5rem;
	padding-top: 1.5rem;
	border-top: 2px solid var(--border-pixel);
	text-align: center;
}

.pixel-page-footer p {
	font-family: var(--font-body);
	font-size: 1.1rem;
	color: var(--text-dim);
	line-height: 1.8;
}

@media (max-width: 768px) {
	.pixel-page-content {
		padding: 25px;
		margin: 0 10px;
	}

	.pixel-page-section h2 {
		font-size: 0.65rem;
	}

	.pixel-page-section p,
	.pixel-page-section ul li,
	.pixel-page-warning p {
		font-size: 1.05rem;
	}
}

/* ============================================
   辅助: 无像素字体时的降级
   ============================================ */
@supports not (font-family: 'Press Start 2P') {
	:root {
		--font-pixel: 'Courier New', monospace;
	}
}