/**
 * 关于我们 · 标签页（About Tabs）
 *
 * 结构：编号标签栏 → 品牌色文案板 + 图片的内容面板 → 深色数据条
 * 动效：标签激活时强调色下划线从左展开；面板切换时淡入上移；
 *       数据条进入视口后数字滚动上涨（带千分位）；整体复用 wjc-fx 进场动画
 */

.wjc-about {
	--wjc-about-accent: #b6c81a;
	--wjc-about-panel-bg: #b6c81a;
	--wjc-about-panel-text: #ffffff;
	--wjc-about-stats-bg: #16181b;
	--wjc-about-stats-label: #b6c81a;
	--wjc-about-tab: #8b8f95;
	--wjc-about-tab-on: #16181b;
	--wjc-about-radius: 2px;
	--wjc-about-text-cols: 50%;
	--wjc-about-min-h: 420px;

	position: relative;
	box-sizing: border-box;
	padding: 68px 20px;
}

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

/* ==================== 标签栏 ==================== */
.wjc-about__tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 38px;
	max-width: 1300px;
	margin: 0 auto 28px;
	border-bottom: 1px solid rgba(17, 24, 39, 0.12);
}

.wjc-about__tab {
	position: relative;
	display: inline-flex;
	align-items: baseline;
	gap: 10px;
	padding: 0 2px 16px;
	margin: 0;
	border: 0;
	background: none;
	font: inherit;
	color: var(--wjc-about-tab);
	cursor: pointer;
	transition: color 0.3s ease;
}

/* 激活下划线：从左展开 */
.wjc-about__tab::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -1px;
	height: 2px;
	background-color: var(--wjc-about-accent);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.wjc-about__tab.is-active::after {
	transform: scaleX(1);
}

.wjc-about__tab-no {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.12em;
	color: var(--wjc-about-accent);
	opacity: 0.5;
	transition: opacity 0.3s ease;
}

.wjc-about__tab.is-active .wjc-about__tab-no {
	opacity: 1;
}

.wjc-about__tab-label {
	font-size: 15px;
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: -0.005em;
	white-space: nowrap;
}

.wjc-about__tab.is-active {
	color: var(--wjc-about-tab-on);
}

@media (hover: hover) {
	.wjc-about__tab:hover {
		color: var(--wjc-about-tab-on);
	}
}

.wjc-about__tab:focus-visible {
	outline: 2px solid var(--wjc-about-accent);
	outline-offset: 4px;
}

/* ==================== 内容面板 ==================== */
.wjc-about__panels {
	max-width: 1300px;
	margin: 0 auto;
}

.wjc-about__panel {
	display: none;
	grid-template-columns: var(--wjc-about-text-cols) minmax(0, 1fr);
	min-height: var(--wjc-about-min-h);
	overflow: hidden;
	border-radius: var(--wjc-about-radius);
}

.wjc-about__panel.is-active {
	display: grid;
	animation: wjc-about-in 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.wjc-about.is-media-left .wjc-about__panel {
	grid-template-columns: minmax(0, 1fr) var(--wjc-about-text-cols);
}

.wjc-about.is-media-left .wjc-about__text {
	order: 2;
}

@keyframes wjc-about-in {
	from {
		opacity: 0;
		transform: translateY(14px);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

/* 文案板 */
.wjc-about__text {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 18px;
	padding: 48px;
	overflow: hidden;
	background-color: var(--wjc-about-panel-bg);
	color: var(--wjc-about-panel-text);
	isolation: isolate;
}

/* 点阵底纹 */
.wjc-about__text::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	opacity: 0.16;
	background-image: radial-gradient(rgba(255, 255, 255, 0.75) 1px, transparent 1px);
	background-size: 15px 15px;
	-webkit-mask-image: radial-gradient(120% 110% at 12% 20%, #000 35%, transparent 85%);
	mask-image: radial-gradient(120% 110% at 12% 20%, #000 35%, transparent 85%);
}

.wjc-about__panel-title {
	margin: 0;
	font-size: clamp(19px, 1.7vw, 26px);
	font-weight: 800;
	line-height: 1.4;
	letter-spacing: -0.01em;
	word-break: keep-all;
}

.wjc-about__panel-desc {
	font-size: 13.5px;
	line-height: 1.95;
	word-break: keep-all;
}

.wjc-about__panel-desc p {
	margin: 0 0 12px;
}

.wjc-about__panel-desc p:last-child {
	margin-bottom: 0;
}

.wjc-about__btn {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	align-self: flex-start;
	margin-top: 4px;
	padding: 9px 18px;
	border: 1px solid rgba(255, 255, 255, 0.55);
	border-radius: 999px;
	font-size: 12.5px;
	font-weight: 600;
	line-height: 1;
	color: inherit;
	text-decoration: none;
	transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.wjc-about__btn svg {
	flex: 0 0 auto;
	transition: transform 0.3s ease;
}

@media (hover: hover) {
	.wjc-about__btn:hover {
		background-color: #ffffff;
		border-color: #ffffff;
		color: #16181b;
	}

	.wjc-about__btn:hover svg {
		transform: translateX(3px);
	}
}

/* 图片 */
.wjc-about__media {
	position: relative;
	min-height: 240px;
	margin: 0;
	overflow: hidden;
	background-color: #eef0f2;
}

.wjc-about__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 1.1s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (hover: hover) {
	.wjc-about__panel.is-active .wjc-about__media:hover img {
		transform: scale(1.04);
	}
}

.wjc-about__caption {
	position: absolute;
	right: 14px;
	bottom: 12px;
	padding: 4px 10px;
	border-radius: 999px;
	background-color: rgba(8, 10, 14, 0.5);
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 11px;
	letter-spacing: 0.04em;
	color: #ffffff;
	-webkit-backdrop-filter: blur(4px);
	backdrop-filter: blur(4px);
	transition: opacity 0.3s ease;
}

/* ==================== 视频：封面 + 播放按钮 ==================== */
.wjc-about__play {
	position: absolute;
	left: 50%;
	top: 50%;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 64px;
	height: 64px;
	padding: 0;
	border: 0;
	border-radius: 999px;
	background-color: rgba(255, 255, 255, 0.94);
	color: #16181b;
	cursor: pointer;
	transform: translate(-50%, -50%);
	box-shadow: 0 12px 30px rgba(8, 10, 14, 0.28);
	transition:
		transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1),
		background-color 0.35s ease,
		color 0.35s ease;
}

.wjc-about__play svg {
	width: 34%;
	height: 34%;
	margin-left: 8%;
}

/* 双圈脉冲（跟「视频列表」组件同一套语言） */
.wjc-about__play::before,
.wjc-about__play::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.8);
	animation: wjc-about-pulse 2.8s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}

.wjc-about__play::after {
	animation-delay: 1.4s;
}

@keyframes wjc-about-pulse {
	0% {
		transform: scale(1);
		opacity: 0.7;
	}
	70% {
		transform: scale(2);
		opacity: 0;
	}
	100% {
		transform: scale(2);
		opacity: 0;
	}
}

@media (hover: hover) {
	.wjc-about__media.has-video:hover .wjc-about__play {
		background-color: var(--wjc-about-accent);
		color: #ffffff;
		transform: translate(-50%, -50%) scale(1.06);
	}

	.wjc-about__media.has-video:hover img {
		transform: scale(1.04);
	}
}

/* 播放器容器 */
.wjc-about__player {
	position: absolute;
	inset: 0;
	z-index: 3;
	display: none;
	background-color: #000000;
}

.wjc-about__player iframe,
.wjc-about__player video {
	display: block;
	width: 100%;
	height: 100%;
	border: 0;
}

/* 播放中：隐藏封面、播放按钮、说明，露出播放器 */
.wjc-about__media.is-playing img,
.wjc-about__media.is-playing .wjc-about__play,
.wjc-about__media.is-playing .wjc-about__caption {
	opacity: 0;
	pointer-events: none;
}

.wjc-about__media.is-playing .wjc-about__player {
	display: block;
}

.wjc-about__player-close {
	position: absolute;
	right: 12px;
	top: 12px;
	z-index: 4;
	display: none;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	padding: 0;
	border: 1px solid rgba(255, 255, 255, 0.35);
	border-radius: 999px;
	background-color: rgba(8, 10, 14, 0.55);
	font-size: 18px;
	line-height: 1;
	color: #ffffff;
	cursor: pointer;
	transition: background-color 0.25s ease, border-color 0.25s ease;
}

.wjc-about__media.is-playing .wjc-about__player-close {
	display: flex;
}

.wjc-about__player-close:hover {
	background-color: rgba(255, 255, 255, 0.2);
	border-color: rgba(255, 255, 255, 0.7);
}

/* ==================== 数据条 ==================== */
.wjc-about__stats {
	margin-top: 0;
	background-color: var(--wjc-about-stats-bg);
}

.wjc-about__stats-inner {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	max-width: 1300px;
	margin: 0 auto;
}

.wjc-about__stat {
	padding: 30px 26px;
	text-align: center;
}

.wjc-about__stat + .wjc-about__stat {
	border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.wjc-about__stat-value {
	display: block;
	font-size: clamp(24px, 2.4vw, 38px);
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: #ffffff;
	white-space: nowrap;
}

.wjc-about__stat-num {
	font-variant-numeric: tabular-nums;
}

.wjc-about__stat-suffix {
	color: var(--wjc-about-accent);
}

.wjc-about__stat-label {
	display: block;
	margin-top: 8px;
	font-size: 12.5px;
	font-weight: 600;
	line-height: 1.5;
	color: var(--wjc-about-stats-label);
	word-break: keep-all;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
	.wjc-about {
		padding: 52px 20px;
	}

	.wjc-about__panel,
	.wjc-about.is-media-left .wjc-about__panel {
		grid-template-columns: minmax(0, 1fr);
	}

	.wjc-about.is-media-left .wjc-about__text {
		order: 0;
	}

	.wjc-about__text {
		padding: 36px 32px;
	}

	.wjc-about__media {
		min-height: 0;
		aspect-ratio: 16/10;
	}

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

	.wjc-about__stat:nth-child(odd) {
		border-left: 0;
	}

	.wjc-about__stat:nth-child(n + 3) {
		border-top: 1px solid rgba(255, 255, 255, 0.13);
	}
}

@media (max-width: 767px) {
	.wjc-about {
		padding: 38px 16px;
	}

	/* 标签横向滚动，避免换行占太高 */
	.wjc-about__tabs {
		flex-wrap: nowrap;
		gap: 22px;
		overflow-x: auto;
		scrollbar-width: none;
		-ms-overflow-style: none;
		margin-bottom: 20px;
	}

	.wjc-about__tabs::-webkit-scrollbar {
		display: none;
	}

	.wjc-about__tab {
		flex: 0 0 auto;
		padding-bottom: 13px;
	}

	.wjc-about__tab-label {
		font-size: 14px;
	}

	.wjc-about__text {
		padding: 28px 22px;
		gap: 14px;
	}

	.wjc-about__panel-desc {
		font-size: 13px;
		line-height: 1.85;
	}

	.wjc-about__stat {
		padding: 22px 16px;
	}

	.wjc-about__stat-value {
		font-size: 24px;
	}

	.wjc-about__stat-label {
		font-size: 11.5px;
	}
}

/* ==================== 降低动效 ==================== */
@media (prefers-reduced-motion: reduce) {
	.wjc-about__panel.is-active {
		animation: none;
	}

	.wjc-about__tab::after,
	.wjc-about__media img,
	.wjc-about__btn,
	.wjc-about__btn svg {
		transition: none;
	}

	.wjc-about__panel.is-active .wjc-about__media:hover img {
		transform: none;
	}
}