/* ============================================================
   lianbang-faq-accordion
   Figma: 1352:906（分类 Tab 栏，深蓝底 #013f92，h:57px）
          + 1354:936...956（手风琴问答列表，白底）
   ============================================================ */

.lianbang-faq-accordion {
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	background-color: #ffffff;
}

/* Tab 与问题行都是点击式控件，不是可读文本，禁止被拖选。
   除 user-select:none 外还要显式把 ::selection 高亮画成透明：Safari 对
   "从元素外部拖进来"的选区不一定遵守 user-select，会用系统蓝底+强制白字
   把整行糊住（用户反馈的 bug）。答案正文不在此列，保持可选中可复制。 */
.lianbang-faq-accordion__tabs ::selection,
.lianbang-faq-accordion__tabs::selection,
.lianbang-faq-accordion__question ::selection,
.lianbang-faq-accordion__question::selection {
	background-color: transparent;
	color: inherit;
}

.lianbang-faq-accordion__tabs ::-moz-selection,
.lianbang-faq-accordion__tabs::-moz-selection,
.lianbang-faq-accordion__question ::-moz-selection,
.lianbang-faq-accordion__question::-moz-selection {
	background-color: transparent;
	color: inherit;
}

/* ── 分类 Tab 栏：全铺深蓝底，Tab 组水平居中（Figma 1352:906）── */
.lianbang-faq-accordion__tabs-bar {
	background-color: #013f92;
}

.lianbang-faq-accordion__tabs-bar-inner {
	max-width: 1600px;
	margin: 0 auto;
	padding: 0 30px;
}

.lianbang-faq-accordion__tabs {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 52px;
	flex-wrap: wrap;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
}

.lianbang-faq-accordion__tab {
	position: relative;
	appearance: none;
	-webkit-appearance: none;
	background: none;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 17px 2px 14px;
	font-family: 'Montserrat', sans-serif;
	font-weight: 500;
	font-size: 18px;
	line-height: 1.1;
	color: rgba(255, 255, 255, 0.5);
	white-space: nowrap;
	-webkit-tap-highlight-color: transparent;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
	transition: color 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 下划线用 ::after + transform:scaleX 做动画（GPU 友好），
   取代原来 border-bottom 的瞬间切换，hover/active 都能平滑过渡 */
.lianbang-faq-accordion__tab::after {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 3px;
	background-color: #ffffff;
	border-radius: 2px 2px 0 0;
	transform: scaleX(0);
	transform-origin: center;
	opacity: 0.6;
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease;
}

.lianbang-faq-accordion__tab:hover {
	color: rgba(255, 255, 255, 0.85);
}

.lianbang-faq-accordion__tab:hover::after {
	transform: scaleX(1);
}

.lianbang-faq-accordion__tab:active {
	transform: translateY(1px);
}

.lianbang-faq-accordion__tab:focus-visible {
	outline: 2px solid rgba(255, 255, 255, 0.75);
	outline-offset: 4px;
	border-radius: 2px;
}

.lianbang-faq-accordion__tab.is-active {
	color: #ffffff;
}

.lianbang-faq-accordion__tab.is-active::after {
	transform: scaleX(1);
	opacity: 1;
}

/* ── 手风琴列表容器（Figma 1354:936...956，居中窄栏，便于阅读）── */
.lianbang-faq-accordion__body {
	padding: var(--lb-section-pad-y, 80px) 0;
}

.lianbang-faq-accordion__body-inner {
	max-width: 1600px;
	margin: 0 auto;
	padding: 0 30px;
}

.lianbang-faq-accordion__list {
	max-width: 1372px; /* 1098/1280 等比换算到 1600 基准容器 */
	margin: 0 auto;
}

/* 面板显示/隐藏交由 JS（GSAP，见 faq-accordion.js）用 hidden 属性 + autoAlpha
   过渡控制，这里不再用 CSS display 规则，避免和 JS 状态打架。 */

/* 单条 FAQ */
.lianbang-faq-accordion__item {
	border-bottom: 1px solid #e2e2e2;
}

.lianbang-faq-accordion__item:first-child .lianbang-faq-accordion__question {
	padding-top: 12px;
}

/* 问题行（Figma：question text + chevron icon）
   左右各留 12px 内padding + 对应负 margin 抵消，让 hover 高亮成一个
   略微内缩的圆角条，而不是贴边的生硬矩形 */
.lianbang-faq-accordion__question {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	gap: 20px;
	padding: 20px 12px;
	margin: 0 -12px;
	appearance: none;
	-webkit-appearance: none;
	background: none;
	border: none;
	outline: none;
	border-radius: 8px;
	cursor: pointer;
	text-align: left;
	-webkit-tap-highlight-color: transparent;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
	transition: background-color 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.lianbang-faq-accordion__question:hover {
	background-color: rgba(1, 63, 146, 0.05);
}

.lianbang-faq-accordion__question:active {
	background-color: rgba(1, 63, 146, 0.09);
}

.lianbang-faq-accordion__question:focus-visible {
	outline: 2px solid #013f92;
	outline-offset: 2px;
}

.lianbang-faq-accordion__question-text {
	font-family: 'Nunito Sans', sans-serif;
	font-weight: 500;
	font-size: 20px;
	line-height: 1.25;
	color: #383838;
	flex: 1;
	transition: color 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.lianbang-faq-accordion__question:hover .lianbang-faq-accordion__question-text,
.lianbang-faq-accordion__item.is-open .lianbang-faq-accordion__question-text {
	color: #013f92;
}

/* Chevron 图标：默认指向下方（收起）；展开/收起的旋转动画由 GSAP 接管
   （见 faq-accordion.js），这里的 transform/transition 只作无 JS 时的静态兜底 */
.lianbang-faq-accordion__icon {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
	transform: rotate(-90deg);
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.lianbang-faq-accordion__icon svg path {
	transition: fill 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.lianbang-faq-accordion__question:hover .lianbang-faq-accordion__icon svg path,
.lianbang-faq-accordion__item.is-open .lianbang-faq-accordion__icon svg path {
	fill: #013f92;
}

.lianbang-faq-accordion__item.is-open .lianbang-faq-accordion__icon {
	transform: rotate(90deg);
}

/* 答案：overflow:hidden 配合 JS 的高度展开/收起动画做裁切。
   答案是真正的可读正文，显式保持可选中，方便用户复制内容 */
.lianbang-faq-accordion__answer {
	overflow: hidden;
	padding: 0 12px 24px;
	-webkit-user-select: text;
	user-select: text;
}

.lianbang-faq-accordion__answer p {
	font-family: 'Nunito Sans', sans-serif;
	font-weight: 400;
	font-size: 16px;
	line-height: 1.6;
	color: #555555;
	margin: 0;
	max-width: 900px;
}

/* ══════════════════════════════════════════════════════════════
   响应式
   ══════════════════════════════════════════════════════════════ */

@media (max-width: 1023px) {
	.lianbang-faq-accordion__tabs {
		gap: 36px;
	}
	.lianbang-faq-accordion__tab {
		font-size: 16px;
	}
	.lianbang-faq-accordion__question-text {
		font-size: 18px;
	}
}

@media (max-width: 767px) {
	.lianbang-faq-accordion__tabs-bar-inner {
		padding: 0 20px;
	}
	.lianbang-faq-accordion__tabs {
		gap: 20px;
		justify-content: flex-start;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}
	.lianbang-faq-accordion__tab {
		font-size: 14px;
		padding: 14px 2px 12px;
	}
	.lianbang-faq-accordion__body-inner {
		padding: 0 20px;
	}
	.lianbang-faq-accordion__question {
		padding: 16px 10px;
		margin: 0 -10px;
		gap: 12px;
	}
	.lianbang-faq-accordion__answer {
		padding: 0 10px 20px;
	}
	.lianbang-faq-accordion__question-text {
		font-size: 16px;
	}
	.lianbang-faq-accordion__answer p {
		font-size: 15px;
	}
}

/* ── 兜底：钉死按钮背景与外发光 ─────────────────────────────────────────
   点击后被点的那一行会出现实心蓝底（用户多次反馈的 bug）。来源是本组件之外
   的全局/主题样式给 button 的焦点态刷了底色和外发光，靠组件内的普通规则压
   不住，所以这里用 !important 逐状态清掉，只保留本组件自己的 hover/按下反馈。
   放在文件末尾，确保顺序上最后生效。 */
.lianbang-faq-accordion__tab,
.lianbang-faq-accordion__tab:focus,
.lianbang-faq-accordion__tab:focus-visible,
.lianbang-faq-accordion__tab:active,
.lianbang-faq-accordion__question,
.lianbang-faq-accordion__question:focus,
.lianbang-faq-accordion__question:focus-visible,
.lianbang-faq-accordion__question:active {
	background-color: transparent !important;
	background-image: none !important;
	box-shadow: none !important;
}

/* hover / 按下时仍然给出本组件设计的浅色行高亮 */
.lianbang-faq-accordion__question:hover {
	background-color: rgba(1, 63, 146, 0.05) !important;
}

.lianbang-faq-accordion__question:active {
	background-color: rgba(1, 63, 146, 0.09) !important;
}