:root {
	--bg: #f6f7f9;
	--panel: #ffffff;
	--text: #20242a;
	--muted: #667085;
	--border: #d9dee7;
	--accent: #0f766e;
	--accent-dark: #115e59;
	--blue: #2563eb;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	background: var(--bg);
	color: var(--text);
	font-family: Arial, "Noto Sans TC", sans-serif;
}

.topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 18px 28px;
	border-bottom: 1px solid var(--border);
	background: var(--panel);
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--text);
	font-size: 22px;
	font-weight: 700;
	text-decoration: none;
}

.brand img {
	border-radius: 8px;
}

.tool-menu {
	display: inline-flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 4px;
	padding: 4px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: #fbfcfe;
}

.tool-menu a {
	min-width: 68px;
	padding: 7px 10px;
	border-radius: 6px;
	color: var(--muted);
	font-size: 14px;
	text-align: center;
	text-decoration: none;
}

.tool-menu a:hover,
.tool-menu a:focus-visible {
	color: var(--text);
	background: #eef2f7;
	outline: none;
}

.workspace {
	display: grid;
	gap: 22px;
	width: min(1180px, 100%);
	margin: 0 auto;
	padding: 22px;
}

.intro {
	display: grid;
	grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1.22fr);
	gap: 28px;
	align-items: center;
	padding: 22px 0 6px;
}

.eyebrow {
	margin: 0 0 10px;
	color: var(--accent-dark);
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
}

h1 {
	max-width: 620px;
	margin: 0;
	color: #111827;
	font-size: 56px;
	line-height: 1;
	letter-spacing: 0;
}

.summary {
	max-width: 520px;
	margin: 18px 0 0;
	color: var(--muted);
	font-size: 18px;
	line-height: 1.7;
}

.hero-image {
	display: block;
	width: 100%;
	height: auto;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--panel);
}

.tools {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 12px;
}

.tool-card {
	display: grid;
	align-content: start;
	gap: 9px;
	min-height: 180px;
	padding: 16px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--panel);
	color: var(--text);
	text-decoration: none;
}

.tool-card:hover,
.tool-card:focus-visible {
	border-color: #9aa4b2;
	box-shadow: 0 10px 24px rgb(15 23 42 / 8%);
	outline: none;
}

.tool-kicker {
	width: fit-content;
	padding: 3px 8px;
	border-radius: 999px;
	background: #ecfdf5;
	color: var(--accent-dark);
	font-size: 12px;
	font-weight: 700;
}

.tool-card strong {
	font-size: 18px;
	line-height: 1.25;
}

.tool-card span:last-child {
	color: var(--muted);
	font-size: 14px;
	line-height: 1.65;
}

@media (max-width: 1000px) {
	.intro,
	.tools {
		grid-template-columns: 1fr;
	}

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

@media (max-width: 720px) {
	.topbar {
		align-items: flex-start;
		flex-direction: column;
		padding: 16px;
	}

	.tool-menu {
		width: 100%;
		justify-content: space-between;
	}

	.tool-menu a {
		flex: 1;
		min-width: 0;
	}

	.workspace {
		padding: 16px;
	}

	h1 {
		font-size: 44px;
	}

	.summary {
		font-size: 16px;
	}

	.tools {
		grid-template-columns: 1fr;
	}
}