:root {
	--bg: #f4f5f7;
	--card: #fff;
	--text: #1a1a1a;
	--muted: #6b7280;
	--accent: #2563eb;
	--border: #e5e7eb;
	--radius: 14px;
	--font: "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body {
	margin: 0;
	min-height: 100%;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	-webkit-font-smoothing: antialiased;
}

.wrap {
	max-width: 440px;
	margin: 0 auto;
	padding: 28px 20px 48px;
}

.brand {
	font-size: 13px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 18px;
}

.card {
	background: var(--card);
	border-radius: var(--radius);
	padding: 22px 20px;
	box-shadow: 0 1px 2px rgba(0,0,0,0.04);
	border: 1px solid var(--border);
}

h1 {
	font-size: 22px;
	line-height: 1.3;
	margin: 0 0 8px;
	font-weight: 650;
}

.sub {
	margin: 0 0 18px;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.5;
}

.row {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding: 10px 0;
	border-top: 1px solid var(--border);
	font-size: 14px;
}
.row:first-of-type { border-top: 0; padding-top: 0; }
.row .label { color: var(--muted); flex-shrink: 0; }
.row .val { text-align: right; word-break: break-all; font-weight: 500; }

.actions {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin-top: 22px;
}

.btn {
	display: block;
	width: 100%;
	text-align: center;
	border: 0;
	border-radius: 12px;
	padding: 14px 16px;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
	color: #fff;
	background: var(--accent);
}
.btn.secondary {
	background: #fff;
	color: var(--accent);
	border: 1px solid var(--accent);
}
.btn.ghost {
	background: transparent;
	color: var(--muted);
	border: 1px solid var(--border);
}
.btn:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.tip {
	margin-top: 16px;
	font-size: 13px;
	color: var(--muted);
	line-height: 1.5;
	text-align: center;
}

.num {
	font-size: 28px;
	letter-spacing: 0.06em;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.hero-title {
	font-size: 28px;
	margin: 40px 0 10px;
	font-weight: 700;
}