/* =========================
   about.css
   - 只管 about.html
   - 全部掛在 #ABOUT 命名空間下，避免互吃
========================= */

#ABOUT {
	color: var(--text);
	margin-top: 80px;
}

/* 共用段落間距 */
#ABOUT .ABOUT__section {
	padding: 84px 0;
}
#ABOUT .ABOUT__section--tint {
	background: var(--surface);
	border-top: 1px solid rgba(0, 0, 0, 0.06);
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

#ABOUT .ABOUT__sectionHead {
	margin-bottom: 22px;
}
#ABOUT .ABOUT__sectionHead h2 {
	margin: 0;
	font-size: 28px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__sectionHead p {
	margin: 8px 0 0;
	color: var(--muted);
	font-weight: 800;
	max-width: 76ch;
}

/* ---------- HERO ---------- */
#ABOUT .ABOUT__hero {
	padding: 40px 0 52px;
	background:
		radial-gradient(
			900px 520px at 15% 10%,
			rgba(27, 92, 255, 0.1),
			rgba(255, 255, 255, 0) 60%
		),
		radial-gradient(
			900px 520px at 85% 25%,
			rgba(6, 182, 212, 0.08),
			rgba(255, 255, 255, 0) 60%
		),
		#fff;
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
#ABOUT .ABOUT__heroGrid {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 18px;
	align-items: center;
}
#ABOUT .ABOUT__kicker {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-weight: 900;
	font-size: 12px;
	letter-spacing: 0.28px;
	color: rgba(11, 18, 32, 0.78);
}
#ABOUT .ABOUT__dot {
	width: 8px;
	height: 8px;
	border-radius: 999px;
	background: linear-gradient(135deg, var(--brand), var(--brand2));
	box-shadow: 0 0 0 6px rgba(27, 92, 255, 0.14);
}
#ABOUT .ABOUT__title {
	margin: 12px 0 12px;
	font-size: clamp(30px, 3vw, 44px);
	line-height: 1.12;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__desc {
	margin: 0;
	color: var(--muted);
	font-weight: 800;
	max-width: 70ch;
}
#ABOUT .ABOUT__stats {
	margin-top: 18px;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
}
#ABOUT .ABOUT__stat {
	border-radius: 16px;
	background: rgba(246, 247, 251, 0.86);
	border: 1px solid rgba(0, 0, 0, 0.06);
	padding: 14px;
	box-shadow: var(--shadow2);
}
#ABOUT .ABOUT__stat b {
	display: block;
	font-size: 14px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__stat span {
	display: block;
	margin-top: 4px;
	color: var(--muted);
	font-weight: 800;
	font-size: 12px;
}

#ABOUT .ABOUT__heroActions {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 18px;
}
#ABOUT .ABOUT__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: 44px;
	padding: 0 16px;
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.1);
	background: rgba(255, 255, 255, 0.88);
	color: rgba(11, 18, 32, 0.86);
	font-weight: 900;
	letter-spacing: 0.2px;
	box-shadow: var(--shadow2);
	transition: 0.18s ease;
}
#ABOUT .ABOUT__btn:hover {
	transform: translateY(-1px);
	box-shadow: var(--shadow);
}
#ABOUT .ABOUT__btn--primary {
	border-color: rgba(27, 92, 255, 0.22);
	background: linear-gradient(
		135deg,
		rgba(27, 92, 255, 0.96),
		rgba(6, 182, 212, 0.9)
	);
	color: #fff;
}

#ABOUT .ABOUT__heroMedia {
	position: relative;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid rgba(0, 0, 0, 0.06);
	box-shadow: var(--shadow);
	min-height: 420px;
}
#ABOUT .ABOUT__heroImg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	filter: contrast(1.04) saturate(1.05);
	transform: scale(1.02);
}
#ABOUT .ABOUT__heroMedia::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		radial-gradient(
			700px 420px at 18% 25%,
			rgba(27, 92, 255, 0.14),
			rgba(255, 255, 255, 0) 60%
		),
		radial-gradient(
			700px 420px at 86% 30%,
			rgba(6, 182, 212, 0.1),
			rgba(255, 255, 255, 0) 60%
		),
		linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.26));
}
#ABOUT .ABOUT__glass {
	position: absolute;
	left: 14px;
	right: 14px;
	bottom: 14px;
	padding: 14px;
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.14);
	border: 1px solid rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(12px);
	color: #fff;
}
#ABOUT .ABOUT__glass b {
	display: block;
	font-size: 13px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__glass span {
	display: block;
	margin-top: 4px;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.86);
	font-weight: 800;
}

/* ---------- INTRO ---------- */
#ABOUT .ABOUT__introGrid {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 18px;
	align-items: stretch;
}
#ABOUT .ABOUT__introCard {
	border-radius: var(--radius);
	border: 1px solid rgba(0, 0, 0, 0.06);
	background: #fff;
	box-shadow: var(--shadow2);
	padding: 22px;
}
#ABOUT .ABOUT__introCard h3 {
	margin: 0 0 10px;
	font-size: 18px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__introCard p {
	margin: 0;
	color: var(--muted);
	font-weight: 800;
}
#ABOUT .ABOUT__bullets {
	margin-top: 14px;
	display: grid;
	gap: 10px;
}
#ABOUT .ABOUT__bullet {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding-top: 10px;
	border-top: 1px dashed rgba(0, 0, 0, 0.1);
}
#ABOUT .ABOUT__bullet:first-child {
	border-top: none;
	padding-top: 0;
}
#ABOUT .ABOUT__bullet b {
	font-size: 12px;
	color: rgba(11, 18, 32, 0.74);
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__bullet span {
	font-size: 12px;
	color: var(--muted);
	font-weight: 900;
	text-align: right;
}

#ABOUT .ABOUT__introMedia {
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid rgba(0, 0, 0, 0.06);
	box-shadow: var(--shadow2);
	background: #111827;
	position: relative;
	min-height: 360px;
}
#ABOUT .ABOUT__introImg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	filter: contrast(1.03) saturate(1.03);
	transform: scale(1.02);
}
#ABOUT .ABOUT__introBadges {
	position: absolute;
	left: 14px;
	right: 14px;
	bottom: 14px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}
#ABOUT .ABOUT__introBadges span {
	padding: 8px 10px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.22);
	background: rgba(255, 255, 255, 0.12);
	color: rgba(255, 255, 255, 0.92);
	font-size: 12px;
	font-weight: 900;
	letter-spacing: 0.2px;
	backdrop-filter: blur(10px);
}

/* ---------- ADV ---------- */
#ABOUT .ABOUT__advGrid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
}
#ABOUT .ABOUT__advCard {
	border-radius: var(--radius2);
	border: 1px solid rgba(0, 0, 0, 0.06);
	background: #fff;
	box-shadow: var(--shadow2);
	padding: 18px;
	transition: 0.18s ease;
}
#ABOUT .ABOUT__advCard:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow);
}
#ABOUT .ABOUT__advTop {
	display: flex;
	gap: 12px;
	align-items: center;
	margin-bottom: 10px;
}
#ABOUT .ABOUT__advIcon {
	width: 40px;
	height: 40px;
	border-radius: 14px;
	background: linear-gradient(
		135deg,
		rgba(27, 92, 255, 0.14),
		rgba(6, 182, 212, 0.1)
	);
	border: 1px solid rgba(27, 92, 255, 0.18);
}
#ABOUT .ABOUT__advCard h3 {
	margin: 0;
	font-size: 16px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__advCard p {
	margin: 0;
	color: var(--muted);
	font-weight: 800;
	font-size: 13px;
}

#ABOUT .ABOUT__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 12px;
}
#ABOUT .ABOUT__tags span {
	font-size: 12px;
	font-weight: 900;
	padding: 7px 10px;
	border-radius: 999px;
	border: 1px solid rgba(11, 18, 32, 0.1);
	background: rgba(246, 247, 251, 0.92);
	color: rgba(11, 18, 32, 0.78);
	letter-spacing: 0.2px;
}

/* ---------- EXPO ---------- */
/* =========================
   #ABOUT_EXPO Interactive
   - 左側可選取清單（動畫/active）
   - 右側圖片淡入淡出切換
========================= */

#ABOUT #ABOUT_EXPO .ABOUT__expoWrap--interactive {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 18px;
	align-items: stretch;
}

#ABOUT #ABOUT_EXPO .ABOUT__expoList {
	display: grid;
	gap: 12px;
}

/* 可點選卡片（button） */
#ABOUT #ABOUT_EXPO .ABOUT__expoBtn {
	width: 100%;
	text-align: left;
	display: grid;
	grid-template-columns: 86px 1fr;
	gap: 12px;
	align-items: stretch;

	border-radius: 18px;
	border: 1px solid rgba(0, 0, 0, 0.06);
	background: rgba(255, 255, 255, 0.92);
	box-shadow: var(--shadow2);
	padding: 12px;
	cursor: pointer;
	transition:
		transform 0.18s ease,
		box-shadow 0.18s ease,
		border-color 0.18s ease,
		background 0.18s ease;
}

#ABOUT #ABOUT_EXPO .ABOUT__expoBtn:hover {
	transform: translateY(-1px);
	box-shadow: var(--shadow);
}

/* 左側年份（沿用你原本視覺，但在按鈕內） */
#ABOUT #ABOUT_EXPO .ABOUT__expoBtn .ABOUT__expoYear {
	border-radius: 16px;
	background: rgba(246, 247, 251, 0.9);
	border: 1px solid rgba(0, 0, 0, 0.06);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 900;
	letter-spacing: 0.2px;
}

/* 右側文字 */
#ABOUT #ABOUT_EXPO .ABOUT__expoInfo b {
	display: block;
	font-size: 14px;
	letter-spacing: 0.2px;
}
#ABOUT #ABOUT_EXPO .ABOUT__expoInfo span {
	display: block;
	margin-top: 4px;
	color: var(--muted);
	font-weight: 800;
	font-size: 13px;
}
#ABOUT #ABOUT_EXPO .ABOUT__expoMeta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 10px;
}
#ABOUT #ABOUT_EXPO .ABOUT__expoMeta span {
	font-size: 12px;
	font-weight: 900;
	padding: 7px 10px;
	border-radius: 999px;
	border: 1px solid rgba(11, 18, 32, 0.1);
	background: rgba(246, 247, 251, 0.92);
	color: rgba(11, 18, 32, 0.78);
	letter-spacing: 0.2px;
}

/* Active 狀態：更像「選取動畫」 */
#ABOUT #ABOUT_EXPO .ABOUT__expoBtn.is-active {
	border-color: rgba(27, 92, 255, 0.22);
	background:
		radial-gradient(
			600px 260px at 20% 20%,
			rgba(27, 92, 255, 0.1),
			rgba(255, 255, 255, 0) 60%
		),
		radial-gradient(
			600px 260px at 85% 80%,
			rgba(6, 182, 212, 0.08),
			rgba(255, 255, 255, 0) 60%
		),
		rgba(255, 255, 255, 0.96);
	box-shadow: var(--shadow);
	transform: translateY(-2px);
}

/* 年份也跟著高亮 */
#ABOUT #ABOUT_EXPO .ABOUT__expoBtn.is-active .ABOUT__expoYear {
	border-color: rgba(27, 92, 255, 0.18);
	background: rgba(27, 92, 255, 0.08);
}

/* 右側媒體區 */
#ABOUT #ABOUT_EXPO .ABOUT__expoMedia--switch {
	position: relative;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid rgba(0, 0, 0, 0.06);
	box-shadow: var(--shadow2);
	background: #111827;
	min-height: 420px;
}

/* 圖片容器 */
#ABOUT #ABOUT_EXPO #expoImg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	filter: contrast(1.03) saturate(1.03);
	transform: scale(1.02);
	opacity: 1;
	transition: opacity 0.28s ease;
}

/* 切換時淡出/淡入 */
#ABOUT #ABOUT_EXPO #expoImg.is-fading {
	opacity: 0;
}

/* 右側文字卡（沿用玻璃風格） */
#ABOUT #ABOUT_EXPO #expoHint {
	position: absolute;
	left: 14px;
	right: 14px;
	bottom: 14px;
	padding: 14px;
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.14);
	border: 1px solid rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(12px);
	color: #fff;
}
#ABOUT #ABOUT_EXPO #expoHint b {
	display: block;
	font-size: 13px;
	letter-spacing: 0.2px;
}
#ABOUT #ABOUT_EXPO #expoHint span {
	display: block;
	margin-top: 4px;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.86);
	font-weight: 800;
}

/* RWD：手機改上下 */
@media (max-width: 980px) {
	#ABOUT #ABOUT_EXPO .ABOUT__expoWrap--interactive {
		grid-template-columns: 1fr;
	}
	#ABOUT #ABOUT_EXPO .ABOUT__expoMedia--switch {
		min-height: 320px;
	}
}

/* ---------- FOOTER ---------- */
#ABOUT .ABOUT__footer {
	padding: 26px 0;
	border-top: 1px solid rgba(0, 0, 0, 0.06);
	background: #fff;
}
#ABOUT .ABOUT__foot {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 14px;
	flex-wrap: wrap;
	color: rgba(11, 18, 32, 0.78);
}
#ABOUT .ABOUT__foot b {
	display: block;
	font-size: 13px;
	letter-spacing: 0.2px;
}
#ABOUT .ABOUT__foot small {
	display: block;
	margin-top: 4px;
	color: var(--muted);
	font-weight: 900;
	font-size: 12px;
}
#ABOUT .ABOUT__footLinks {
	display: flex;
	gap: 14px;
	flex-wrap: wrap;
	font-weight: 900;
	font-size: 13px;
	color: rgba(11, 18, 32, 0.62);
}
#ABOUT .ABOUT__footLinks a:hover {
	color: var(--text);
}

/* ---------- RWD ---------- */
@media (max-width: 980px) {
	#ABOUT .ABOUT__heroGrid {
		grid-template-columns: 1fr;
	}
	#ABOUT .ABOUT__stats {
		grid-template-columns: 1fr;
	}
	#ABOUT .ABOUT__heroMedia {
		min-height: 320px;
	}

	#ABOUT .ABOUT__introGrid {
		grid-template-columns: 1fr;
	}
	#ABOUT .ABOUT__advGrid {
		grid-template-columns: 1fr;
	}
	#ABOUT .ABOUT__expoWrap {
		grid-template-columns: 1fr;
	}
	#ABOUT .ABOUT__expoMedia {
		min-height: 320px;
	}
}