a,body,html,header,footer,div,img,ul,li,h1,h2,h3,span,i,p {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
	list-style: none;
}

* {
	-webkit-tap-highlight-color: rgba(0,0,0,0);
	-webkit-tap-highlight-color: transparent;
 /* For some Androids */;
}

*, :after, :before {
	box-sizing: border-box;
}

a {
	text-decoration: none;
	color: inherit;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-webkit-tap-highlight-color: transparent;
	outline: none;
	transition: color .15s ease, transform .15s ease, box-shadow .15s ease;
}

img[src=''], img:not([src]) {
	opacity: 0;
}

html {
	overflow-x: hidden;
	font-size: 62.5%;
}

html,body {
	position: relative;
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* 整体参考 https://nsbdqn.com/ — 渐变底 + 玻璃主卡片 + 2×2 琉璃色按钮 */
body {
	font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
	font-size: 1.5rem;
	min-height: 100vh;
	color: #1a1a2e;
	background:
		fixed radial-gradient(ellipse 100% 80% at 50% -20%, rgba(255, 255, 255, 0.9) 0%, transparent 55%),
		fixed radial-gradient(ellipse 80% 50% at 100% 50%, rgba(214, 222, 235, 0.6) 0%, transparent 50%),
		linear-gradient(165deg, #eef2f8 0%, #e4e9f2 45%, #d8dfea 100%);
	background-color: #e6ecf4;
	padding: 2rem 1.2rem 3rem;
	-webkit-font-smoothing: antialiased;
}

header {
	width: 100%;
	height: auto;
	padding: 0;
}

.header {
	max-width: 750px;
	width: 100%;
	height: auto;
	margin: 0 auto;
	text-align: center;
	padding: 2.4rem 1.8rem 2rem;
	background: rgba(255, 255, 255, 0.72);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border: 1px solid rgba(148, 163, 184, 0.35);
	border-radius: 44px;
	box-shadow:
		0 8px 40px rgba(15, 23, 42, 0.08),
		inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.header-notice {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 0.55rem;
	margin: 1.2rem auto 0.8rem;
	padding: 0.6rem 1.1rem 0.6rem 0.95rem;
	max-width: 100%;
	width: calc(100% - 2rem);
	background: rgba(255, 255, 255, 0.85);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border: 1px solid rgba(148, 163, 184, 0.4);
	border-radius: 999px;
	box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.95);
	font-size: 1.38rem;
	color: #334155;
	box-sizing: border-box;
}

.header-notice__icon {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.85rem;
	height: 2.85rem;
	border-radius: 50%;
	background: linear-gradient(145deg, rgba(255, 183, 140, 0.35), rgba(196, 130, 252, 0.25));
	box-shadow:
		0 2px 8px rgba(168, 85, 247, 0.2),
		inset 0 1px 0 rgba(255, 255, 255, 0.85);
	filter: drop-shadow(0 1px 2px rgba(15, 23, 42, 0.08));
	color: #7c3aed;
}

.header-notice__horn {
	display: block;
	vertical-align: middle;
	animation: horn-wiggle 2.8s ease-in-out infinite;
}

@keyframes horn-wiggle {
	0%, 100% { transform: rotate(0deg); }
	12% { transform: rotate(-6deg); }
	24% { transform: rotate(5deg); }
	36% { transform: rotate(-4deg); }
	48% { transform: rotate(0deg); }
}

.header-notice__marquee {
	flex: 1;
	min-width: 0;
	overflow: hidden;
	line-height: 1.38;
	mask-image: linear-gradient(90deg, #000 0%, #000 calc(100% - 14px), transparent 100%);
	-webkit-mask-image: linear-gradient(90deg, #000 0%, #000 calc(100% - 14px), transparent 100%);
	text-align: left;
}

.header-notice__track {
	display: inline-flex;
	width: max-content;
	animation: header-notice-scroll 18s linear infinite;
	will-change: transform;
}

.header-notice__text {
	flex-shrink: 0;
	padding-right: 3.5rem;
	white-space: nowrap;
}

@keyframes header-notice-scroll {
	from { transform: translateX(0); }
	to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
	.header-notice__track {
		animation: none;
	}
	.header-notice__horn {
		animation: none;
	}
}

.header img {
	width: 12rem;
	height: 12rem;
	border-radius: 26%;
	overflow: hidden;
	margin: 0 auto;
	box-shadow:
		0 12px 32px rgba(15, 23, 42, 0.12),
		0 2px 0 rgba(255, 255, 255, 0.85) inset;
	border: 1px solid rgba(148, 163, 184, 0.35);
	display: block;
}

.header h2 {
	font-size: 2rem;
	font-weight: 700;
	color: #0f172a;
	line-height: 1.35;
	margin-top: 1rem;
	margin-bottom: 0;
	letter-spacing: -0.02em;
	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.header h3 {
	margin-top: 0.6rem;
	font-size: 1.5rem;
	font-weight: 600;
	color: #1e293b;
	line-height: 1.6;
	margin-bottom: 1.2rem;
}

#copyBT {
	cursor: pointer;
	display: inline-block;
	margin-left: 0.25rem;
	padding: 0.2rem 0.75rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.9);
	border: 1px solid rgba(148, 163, 184, 0.45);
	font-size: 1.38rem;
	font-weight: 500;
	transition: background .15s ease, box-shadow .15s ease;
}

#copyBT:hover {
	background: #fff;
	box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
}

.header-btn {
	display: flex;
	justify-content: space-between;
	align-items: stretch;
	flex-wrap: wrap;
	row-gap: 1.8rem;
	column-gap: 0.75rem;
	margin-top: 0.25rem;
}

.header-btn li {
	width: calc(50% - 0.375rem);
	margin-bottom: 0;
}

.header-btn li.down {
	margin-bottom: 0;
}

.header-btn li.down a {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.15rem;
	padding: 0.55rem 1.15rem 0.62rem;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.3);
	box-shadow:
		0 8px 22px rgba(55, 70, 100, 0.28),
		0 2px 6px rgba(40, 50, 70, 0.1),
		inset 0 2px 0 rgba(255, 255, 255, 0.42),
		inset 0 -4px 0 rgba(255, 255, 255, 0.2);
}

/* 电光青蓝 · 落日玫红 · 荧光翡翠 · 极光紫粉（更高饱和、更亮） */
.header-btn li:nth-child(1).down a {
	background: linear-gradient(145deg, #67e8f9 0%, #22d3ee 28%, #0ea5e9 52%, #0284c7 78%, #0369a1 100%);
	box-shadow:
		0 10px 28px rgba(14, 165, 233, 0.55),
		0 2px 10px rgba(3, 105, 161, 0.22),
		inset 0 2px 0 rgba(255, 255, 255, 0.5),
		inset 0 -4px 0 rgba(255, 255, 255, 0.2);
}

.header-btn li:nth-child(2).down a {
	background: linear-gradient(145deg, #fda4af 0%, #fb7185 22%, #f43f5e 48%, #ec4899 72%, #db2777 100%);
	box-shadow:
		0 10px 28px rgba(244, 63, 94, 0.52),
		0 2px 10px rgba(219, 39, 119, 0.2),
		inset 0 2px 0 rgba(255, 255, 255, 0.48),
		inset 0 -4px 0 rgba(255, 255, 255, 0.18);
}

.header-btn li:nth-child(3).down a {
	background: linear-gradient(145deg, #86efac 0%, #4ade80 26%, #22c55e 50%, #16a34a 74%, #15803d 100%);
	box-shadow:
		0 10px 28px rgba(34, 197, 94, 0.5),
		0 2px 10px rgba(21, 128, 61, 0.2),
		inset 0 2px 0 rgba(255, 255, 255, 0.52),
		inset 0 -4px 0 rgba(255, 255, 255, 0.22);
}

.header-btn li:nth-child(4).down a {
	background: linear-gradient(145deg, #e9d5ff 0%, #d8b4fe 18%, #c084fc 40%, #a855f7 62%, #7c3aed 85%, #6d28d9 100%);
	box-shadow:
		0 10px 28px rgba(168, 85, 247, 0.52),
		0 2px 10px rgba(109, 40, 217, 0.22),
		inset 0 2px 0 rgba(255, 255, 255, 0.45),
		inset 0 -4px 0 rgba(255, 255, 255, 0.17);
}

.header-btn li.down a:active {
	transform: scale(0.98);
	box-shadow:
		0 4px 14px rgba(55, 70, 100, 0.22),
		inset 0 2px 0 rgba(255, 255, 255, 0.35),
		inset 0 -3px 0 rgba(255, 255, 255, 0.16);
}

.header-btn li.down a span {
	display: block;
	position: static;
	width: auto;
	height: auto;
	line-height: 1.3;
	padding: 0;
	margin: 0;
	font-size: 1.2rem;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.92);
	text-align: center;
	background: transparent;
	backdrop-filter: none;
	border: none;
	border-radius: 0;
	box-shadow: none;
}

.header-btn li.down img {
	height: 1.65rem;
	width: auto;
	margin: 0;
	margin-right: 8px;
}

.header-btn li.down a > div {
	display: flex;
	min-height: 0;
	padding: 0;
	justify-content: center;
	align-items: center;
}

.header-btn li.down a > div p {
	margin: 0;
}

.header-btn li a {
	display: block;
	width: 100%;
	min-width: unset;
	max-width: none;
	height: auto;
	margin: 0 auto;
	position: relative;
	font-size: 1.52rem;
	font-weight: 700;
	color: #fff;
	line-height: 1.2;
	box-sizing: border-box;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

.header-btn li i {
	font-size: 2rem;
	color: #fff;
	margin-right: 1rem;
}

main {
	max-width: 750px;
	width: 100%;
	margin: 1.75rem auto 0;
	padding: 0 0.25rem 2rem;
}

.content-tips {
	width: 100%;
	padding: 1rem 1rem 1.25rem;
	background: rgba(255, 255, 255, 0.78);
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	border: 1px solid rgba(148, 163, 184, 0.38);
	border-radius: 32px;
	box-shadow:
		0 8px 32px rgba(15, 23, 42, 0.07),
		inset 0 1px 0 rgba(255, 255, 255, 0.95);
	overflow: hidden;
}

.content-tips img {
	width: 100%;
	height: auto;
	border-radius: 20px;
	display: block;
}

.content-tips img + img {
	margin-top: 1rem;
}