@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+HK:wght@100..900&display=swap');

.level-intro {
	max-width: 1100px;
	margin: 0 auto 2rem;
	padding: 0.5rem 0;
}

.level-intro-content {
	background: #ffffff;
	border: 1px solid #e9edf3;
	border-radius: 4px;
	/* box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08); */
	overflow-x: auto;
}

.level-table {
	width: 100%;
	min-width: 720px;
	border-collapse: separate;
	border-spacing: 0;
	color: #273140;
	font-size: 0.95rem;
	line-height: 1.65;
}

.level-table th,
.level-table td {
	padding: 0.95rem 1rem;
	text-align: left;
	vertical-align: middle;
	border-bottom: 1px solid #eef2f7;
}

.level-table th {
	font-weight: 700;
	color: #0f172a;
	background: linear-gradient(180deg, #f7f9fc 0%, #eff4fb 100%);
	position: sticky;
	top: 0;
	z-index: 1;
}

.level-table tr:last-child td {
	border-bottom: 0;
}

.level-table td:first-child,
.level-table th:first-child {
	width: 140px;
	text-align: center;
}

.level-table td:first-child img {
	width: 80px;
	height: auto;
	margin: 0 auto;
}

.level-table tr:nth-child(even) td {
	background-color: #fbfdff;
}

@media (max-width: 767px) {
	.level-intro {
		width: 96%;
	}

	.level-intro-content {
		overflow-x: hidden;
		padding: 0.6rem;
	}

	.level-table {
		font-size: 0.9rem;
		min-width: 0;
		width: 100%;
	}

	.level-table tr:first-child {
		display: none;
	}

	.level-table tr {
		display: block;
		background: #f8fbff;
		border: 1px solid #e6edf7;
		border-radius: 4px;
		padding: 0.75rem 0.8rem;
		margin-bottom: 0.65rem;
	}

	.level-table td {
		display: block;
		width: 100%;
		padding: 0.28rem 0;
		border: 0;
	}

	.level-table td:first-child {
		width: 100%;
		text-align: left;
		padding-bottom: 0.4rem;
	}

	.level-table td:first-child img {
		width: 72px;
		margin: 0;
	}

	.level-table td:nth-child(2)::before,
	.level-table td:nth-child(3)::before {
		display: block;
		font-size: 0.78rem;
		font-weight: 700;
		letter-spacing: 0.02em;
		color: #4b5a71;
		margin-bottom: 0.14rem;
	}

	.level-table td:nth-child(2)::before {
		content: "主要適用範疇";
	}

	.level-table td:nth-child(3)::before {
		content: "技術及功能";
	}
}

.nav-btn-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.75rem;
	width: 100%;
	max-width: 1240px;
	margin: 0 auto;
	padding: 0 1rem;
	list-style: none;
}

.nav-btn-item {
	flex: 0 0 calc((100% - 0.75rem) / 2);
	max-width: 200px;
}

.nav-btn-image-swap {
	position: relative;
	display: block;
	width: 100%;
	transition: transform 0.2s ease;
}

.nav-btn-image-swap__default,
.nav-btn-image-swap__hover {
	display: block;
	width: 100%;
	height: auto;
	transition: opacity 0.8s ease;
}

@media (min-width: 640px) {
	.nav-btn-item {
		flex-basis: calc((100% - 1.5rem) / 3);
	}
}

@media (min-width: 900px) {
	.nav-btn-item {
		flex-basis: calc((100% - 2.25rem) / 4);
	}
}

@media (min-width: 1100px) {
	.nav-btn-item {
		flex-basis: calc((100% - 3rem) / 5);
	}
}

@media (min-width: 1280px) {
	.nav-btn-item {
		flex-basis: calc((100% - 3.75rem) / 6);
	}
}

.nav-btn-image-swap__hover {
	position: absolute;
	inset: 0;
	opacity: 0;
}

.nav-btn-image-swap:hover .nav-btn-image-swap__hover,
.nav-btn-image-swap:focus-visible .nav-btn-image-swap__hover {
	opacity: 1;
}

.nav-btn-image-swap:hover .nav-btn-image-swap__default,
.nav-btn-image-swap:focus-visible .nav-btn-image-swap__default {
	opacity: 0;
}

.nav-btn-image-swap:hover,
.nav-btn-image-swap:focus-visible {
	transform: translateY(-2px);
}

.buy-link-underline {
	position: relative;
	display: inline-block;
	padding-bottom: 4px;
	padding: 6px 20px;
	background-color: #dfd5c500;
	border: 1px solid #BFA16D;
	overflow: hidden;
	isolation: isolate;
	
}

.buy-link-underline::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 100%;
	background-color: #BFA16D;
	z-index: -1;
	pointer-events: none;
	transform: scaleX(0);
	transform-origin: center;
	transition: transform 0.3s ease;
}

.buy-link-underline:hover::after,
.buy-link-underline:focus-visible::after {
	transform: scaleX(1);
}

.prodouct > a {
	position: relative;
	display: block;
}

.prodouct .level-1 {
	position: absolute;
	top: 40px;
	left: 40px;
	z-index: 2;
	margin: 0;
	padding: 0;
	pointer-events: none;
}

@media (max-width: 767px) {
	.prodouct .level-1 {
		top: 20px;
		left: 20px;
	}
}

#btn-top {
	line-height: 1;
}