:root {
	--brand: #00A4FF;
	--ink: #1e293b;
	--bg-page: #ffffff;
	--bg-features: #ffffff;
	--bg-gallery: #ffffff;
	--bg-download: #ffffff;
	--bg-info: #ffffff;
	--line: #dde8f2;
}

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

body {
	font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
	background-color: var(--bg-page);
	color: var(--ink);
	line-height: 1.5;
}

.container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 32px;
}

/* 头部 */
.header {
	background: #fff;
	border-bottom: 1px solid #eef2f8;
	height: 80px;
	position: sticky;
	top: 0;
	z-index: 50;
	box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.header-inner {
	height: 80px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: nowrap;
	gap: 20px;
}

.logo-area {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 12px 16px;
	text-decoration: none;
	color: inherit;
}
.logo-area h1 {
	font-size: 1.85rem;
	font-weight: 700;
	letter-spacing: -0.3px;
	color: #1e293b;
	line-height: 1;
	margin: 0;
	white-space: nowrap;
}
.logo-area p {
	font-size: 0.85rem;
	color: #5e7e9c;
	margin: 0;
	line-height: 1;
	white-space: nowrap;
}
.nav-links {
	display: flex;
	gap: 32px;
}
.nav-links a {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	text-decoration: none;
	font-weight: 500;
	color: #1e293b;
	transition: color 0.2s;
	font-size: 1rem;
}
.nav-links a:hover {
	color: #00A4FF;
}
.nav-icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

/* Hero 区域 */
.hero {
	background: #fff;
	padding: 60px 0 60px;
	border-bottom: 1px solid var(--line);
}
.hero-grid {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 48px;
}
.hero-content {
	flex: 1;
	min-width: 280px;
}
.hero-badge {
	background: #E5F4FF;
	color: #0088E0;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 16px;
	border-radius: 40px;
	font-size: 0.85rem;
	font-weight: 600;
	margin-bottom: 24px;
}
.badge-icon {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
}
.hero-meta {
	font-size: 0.8rem;
	color: #1e293b;
	opacity: 0.6;
}
.btn-icon {
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}
.btn-outline .btn-icon {
	color: currentColor;
}
.hero-content h2 {
	font-size: 3.4rem;
	font-weight: 800;
	line-height: 1.2;
	color: #1e293b;
	margin-bottom: 20px;
	letter-spacing: -0.02em;
}
.hero-content .tagline {
	font-size: 1.28rem;
	color: #1e293b;
	margin-bottom: 24px;
	font-weight: 500;
	border-left: 4px solid #00A4FF;
	padding-left: 20px;
}
.hero-desc {
	color: #1e293b;
	opacity: 0.8;
	margin-bottom: 36px;
	max-width: 520px;
	font-size: 1.05rem;
}
.download-buttons {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	margin-bottom: 28px;
}
.wechat-qr-wrap {
	position: relative;
	display: inline-block;
}
.wechat-qr-popover {
	position: absolute;
	left: 50%;
	top: calc(100% + 14px);
	transform: translateX(-50%);
	padding: 14px;
	background: #fff;
	border: 1px solid #e4eef6;
	border-radius: 16px;
	box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
	z-index: 80;
	text-align: center;
	white-space: nowrap;
}
.wechat-qr-popover::after {
	content: "";
	position: absolute;
	left: 50%;
	top: -8px;
	transform: translateX(-50%);
	border: 8px solid transparent;
	border-bottom-color: #fff;
	filter: drop-shadow(0 -2px 1px rgba(15, 23, 42, 0.06));
}
.wechat-qr-popover img {
	display: block;
	width: 160px;
	height: 160px;
	border-radius: 8px;
}
.wechat-qr-tip {
	display: block;
	margin-top: 10px;
	font-size: 0.8rem;
	color: #5e7e9c;
	font-weight: 500;
}
.wechat-qr-wrap:hover .wechat-qr-popover,
.wechat-qr-wrap:focus-within .wechat-qr-popover {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(4px);
}
.btn {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	padding: 14px 32px;
	border-radius: 60px;
	font-weight: 600;
	text-decoration: none;
	transition: all 0.25s ease;
	font-size: 1rem;
}
.btn-primary {
	background: #00A4FF;
	color: white;
	border: none;
	box-shadow: 0 8px 18px rgba(0, 164, 255, 0.22);
}
.btn-primary:hover {
	background: #0088DD;
	transform: translateY(-3px);
	box-shadow: 0 14px 26px rgba(0, 164, 255, 0.28);
}
.btn-outline {
	background: white;
	border: 1px solid #d4e2ef;
	color: #1e293b;
}
.btn-outline:hover {
	background: #FFFFFF;
	border-color: #00A4FF;
	color: #00A4FF;
	transform: translateY(-2px);
}
.hero-image {
	flex: 0 1 auto;
	display: flex;
	justify-content: center;
	align-items: center;
}
.hero-image .hero-shot {
	--shot-w: min(280px, 32vw);
}

/* 通用区块 */
.section {
	padding: 40px 0;
}
.section-features {
	background: #fff;
	border-bottom: 1px solid var(--line);
}
.section-features .feature-card {
	border-color: #e4eef6;
}
.section-features .feature-card:hover {
	background: #fff;
}
.section-title {
	font-size: 2.4rem;
	font-weight: 700;
	color: #1e293b;
	text-align: center;
	margin-bottom: 18px;
	letter-spacing: -0.3px;
}
.section-sub {
	text-align: center;
	color: #1e293b;
	opacity: 0.75;
	max-width: 660px;
	margin: 0 auto 56px;
	font-size: 1.1rem;
}

/* 功能卡片 白色卡片 */
.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
	gap: 36px;
}
.feature-card {
	background: #FFFFFF;
	border-radius: 32px;
	padding: 32px 28px;
	transition: all 0.3s;
	border: 1px solid #eef3f9;
	box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}
.feature-card:hover {
	transform: translateY(-6px);
	border-color: #00A4FF;
	box-shadow: 0 20px 28px -12px rgba(0, 164, 255, 0.12);
}
.feature-icon {
	margin-bottom: 24px;
	display: inline-block;
	line-height: 0;
	color: #00A4FF;
}
.feature-icon svg {
	display: block;
	width: 38px;
	height: 38px;
}
.feature-card h3 {
	font-size: 1.5rem;
	font-weight: 650;
	margin-bottom: 14px;
	color: #1e293b;
}
.feature-card p {
	color: #1e293b;
	opacity: 0.75;
	line-height: 1.5;
}

/* 界面预览区域 */
.gallery-preview {
	background: #fff;
	border-bottom: 1px solid var(--line);
}
.shots {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 56px 32px;
	width: 100%;
	margin-top: 24px;
	justify-items: center;
	align-items: start;
}
.shot-item {
	text-align: center;
	width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.shot {
	--shot-w: min(258px, 22vw);
	width: var(--shot-w);
	aspect-ratio: 1179 / 2556;
	height: auto;
	max-width: 100%;
	padding: 5px;
	background: linear-gradient(160deg, #3d3d3f 0%, #1c1c1e 100%);
	border-radius: calc(var(--shot-w) * 0.115);
	box-shadow:
		0 0 0 1px rgba(0, 0, 0, 0.12),
		0 14px 36px rgba(0, 0, 0, 0.12);
	position: relative;
	box-sizing: border-box;
}
.shot::before {
	content: "";
	position: absolute;
	top: 10px;
	left: 50%;
	transform: translateX(-50%);
	width: 26%;
	min-width: 36px;
	max-width: 48px;
	height: 5px;
	background: #0a0a0a;
	border-radius: 8px;
	z-index: 2;
}
.shot-screen {
	width: 100%;
	height: 100%;
	border-radius: calc(var(--shot-w) * 0.1);
	overflow: hidden;
	background: #000;
}
.shot-screen img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
}
.shot-label {
	margin-top: 16px;
	font-size: 0.9375rem;
	font-weight: 600;
	color: #1e293b;
}
.note-italic {
	text-align: center;
	font-size: 0.85rem;
	color: #1e293b;
	opacity: 0.6;
	margin-top: 40px;
}

/* 下载卡片 */
.download-section {
	background: #fff;
	border-bottom: 1px solid var(--line);
}
.download-section .download-card {
	background: #fff;
}
.download-grid {
	display: flex;
	flex-wrap: wrap;
	gap: 36px;
	justify-content: center;
	margin: 40px 0 24px;
}
.download-card {
	background: #FFFFFF;
	border-radius: 42px;
	padding: 36px 28px;
	text-align: center;
	flex: 1;
	min-width: 230px;
	border: 1px solid #e8f0f7;
	transition: all 0.2s;
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
}
.download-card:hover {
	border-color: #00A4FF;
	background: #FFFFFF;
	transform: translateY(-3px);
	box-shadow: 0 18px 28px -12px rgba(0, 164, 255, 0.1);
}
.platform-icon {
	display: flex;
	justify-content: center;
	margin-bottom: 18px;
	color: #00A4FF;
	line-height: 0;
}
.platform-icon svg {
	width: 48px;
	height: 48px;
}
.download-card h3 {
	font-size: 1.8rem;
	font-weight: 700;
	color: #1e293b;
	margin-bottom: 8px;
}
.version {
	font-size: 0.85rem;
	color: #1e293b;
	opacity: 0.7;
	margin-bottom: 24px;
}
.btn-download {
	background: #f1f8fe;
	padding: 12px 28px;
	border-radius: 50px;
	display: inline-block;
	text-decoration: none;
	font-weight: 600;
	color: #1e293b;
	transition: 0.2s;
}
.btn-download-primary {
	background: #00A4FF;
	color: white;
	box-shadow: 0 8px 16px rgba(0, 164, 255, 0.2);
}
.btn-download-primary:hover {
	background: #0088dd;
	transform: translateY(-2px);
}
.btn-download:hover:not(.btn-download-primary) {
	background: #e4f0fa;
	color: #0088dd;
}
.mini-link {
	margin-top: 20px;
	display: inline-block;
	color: #00A4FF;
	text-decoration: none;
	font-weight: 500;
	border-bottom: 1px solid #bfdff5;
}

.section-info {
	background: #fff;
	padding: 72px 0 88px;
}
.section-info .container {
	width: 100%;
	max-width: 1280px;
}

.section-info .info-table {
	margin: 0 0 28px;
	width: 100%;
}

.section-info .notice {
	background: #fff;
	width: 100%;
	margin: 0;
}

/* 信息表格 */
.info-table {
	background: #FFFFFF;
	border-radius: 36px;
	border: 1px solid #eef3f9;
	overflow: hidden;
	box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}
.info-row {
	display: flex;
	flex-wrap: wrap;
	border-bottom: 1px solid #eff4fa;
}
.info-row:last-child {
	border-bottom: none;
}
.info-label {
	width: 140px;
	background: #FCFEFF;
	padding: 18px 24px;
	font-weight: 700;
	color: #1e293b;
	border-right: 1px solid #eff4fa;
}
.info-value {
	flex: 1;
	padding: 18px 24px;
	color: #1e293b;
	opacity: 0.85;
}
.contact-info a {
	color: #00A4FF;
	text-decoration: none;
}
.contact-info a:hover {
	text-decoration: underline;
}

/* 须知卡片 */
.notice {
	background: #FFFFFF;
	border-radius: 32px;
	padding: 32px 36px;
	border-left: 6px solid #00A4FF;
	box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
	border-left-width: 6px;
}
.notice h4 {
	font-size: 1.3rem;
	margin-bottom: 20px;
	color: #1e293b;
}
.notice ul {
	padding-left: 24px;
	color: #1e293b;
	opacity: 0.8;
}
.notice li {
	margin-bottom: 10px;
}
.footer {
	background: #fff;
	padding: 44px 0 32px;
	text-align: center;
	color: var(--ink);
	opacity: 0.7;
	border-top: 1px solid var(--line);
}
.footer-links {
	display: flex;
	justify-content: center;
	gap: 32px;
	margin-bottom: 20px;
}
.footer-links a {
	text-decoration: none;
	color: #00A4FF;
	font-weight: 500;
}
.footer-note {
	margin-top: 12px;
	font-size: 0.8rem;
}
.footer-beian {
	margin-top: 10px;
	font-size: 0.8rem;
}
.footer-beian a {
	color: #5e7e9c;
	text-decoration: none;
}
.footer-beian a:hover {
	color: #00A4FF;
}
.policy-hero {
	background: #fff;
	padding: 48px 0 32px;
	border-bottom: 1px solid var(--line);
}
.policy-hero h1 {
	font-size: 2.2rem;
	font-weight: 700;
	color: var(--ink);
	margin-bottom: 12px;
}
.policy-meta {
	font-size: 0.9rem;
	color: #5e7e9c;
}
.policy-body {
	padding: 40px 0 64px;
}
.policy-lead {
	font-size: 1.05rem;
	color: #334155;
	margin-bottom: 36px;
	line-height: 1.75;
}
.policy-block {
	margin-bottom: 32px;
}
.policy-block h2 {
	font-size: 1.25rem;
	color: var(--ink);
	margin-bottom: 14px;
	padding-left: 12px;
	border-left: 4px solid var(--brand);
}
.policy-block h3 {
	font-size: 1rem;
	color: #334155;
	margin: 16px 0 10px;
}
.policy-block p {
	color: #475569;
	line-height: 1.75;
	margin-bottom: 12px;
}
.policy-block ul {
	padding-left: 1.4em;
	color: #475569;
	line-height: 1.75;
}
.policy-block li {
	margin-bottom: 8px;
}
.policy-block a {
	color: var(--brand);
	text-decoration: none;
}
.policy-block a:hover {
	text-decoration: underline;
}
.policy-contact li {
	list-style: none;
	margin-left: -1.4em;
}
@media (max-width: 1024px) {
	.shots {
		grid-template-columns: repeat(2, 1fr);
		gap: 48px 28px;
	}
	.shot {
		--shot-w: min(220px, 38vw);
	}
}

@media (max-width: 750px) {
	.hero-content h2 {
		font-size: 2.3rem;
	}
	.policy-hero h1 {
		font-size: 1.75rem;
	}
	.nav-links {
		gap: 16px;
		font-size: 0.9rem;
	}
	.container {
		padding: 0 24px;
	}
	.shots {
		grid-template-columns: repeat(2, 1fr);
		gap: 32px 20px;
	}
	.shot {
		--shot-w: min(168px, 42vw);
	}
	.info-label {
		width: 100%;
		border-right: none;
		border-bottom: 1px solid #eff4fa;
	}
	.section-title {
		font-size: 1.9rem;
	}
}