@charset "UTF-8";

/* ========== 帮助中心 V3 · #17AB8D 高端分栏 ========== */
.help-v3-page {
	--hv3: #17AB8D;
	--hv3-mid: #1bc4a3;
	--hv3-dark: #0e7a66;
	--hv3-deep: #064a3f;
	--hv3-light: #e8f7f3;
	--hv3-paper: #f4f8f7;
	--hv3-ink: #111827;
	--hv3-muted: #6b7280;
	--hv3-line: rgba(23, 171, 141, 0.18);
	--hv3-radius: 18px;
	--hv3-radius-sm: 12px;
	--hv3-font: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
	min-height: 60vh;
	padding-bottom: 64px;
	background: var(--hv3-paper);
	font-family: var(--hv3-font);
}

/* ---------- Hero ---------- */
.help-v3-page .hv3-hero {
	position: relative;
	overflow: hidden;
	padding: 52px 0 56px;
	background: linear-gradient(135deg, #064a3f 0%, #0e7a66 40%, #17AB8D 100%);
}

.help-v3-page .hv3-hero-bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.help-v3-page .hv3-hero-blob {
	position: absolute;
	border-radius: 50%;
	filter: blur(72px);
	opacity: 0.42;
}

.help-v3-page .hv3-hero-blob-1 {
	top: -100px;
	right: 8%;
	width: 420px;
	height: 420px;
	background: rgba(255, 255, 255, 0.14);
}

.help-v3-page .hv3-hero-blob-2 {
	bottom: -60px;
	left: -40px;
	width: 320px;
	height: 320px;
	background: rgba(0, 0, 0, 0.2);
}

.help-v3-page .hv3-hero-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
	background-size: 52px 52px;
	mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, transparent 88%);
	-webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, transparent 88%);
}

.help-v3-page .hv3-hero-inner {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
	gap: clamp(28px, 4vw, 48px);
	align-items: center;
}

.help-v3-page .hv3-eyebrow {
	display: inline-block;
	margin-bottom: 14px;
	padding: 6px 14px;
	font-size: 11px;
	font-weight: 800;
	letter-spacing: 0.2em;
	color: rgba(255, 255, 255, 0.95);
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.22);
	border-radius: 999px;
	backdrop-filter: blur(8px);
}

.help-v3-page .hv3-hero-title {
	margin: 0 0 14px;
	font-size: clamp(30px, 4vw, 44px);
	font-weight: 800;
	line-height: 1.18;
	color: #fff;
	letter-spacing: -0.02em;
}

.help-v3-page .hv3-hero-lead {
	margin: 0 0 24px;
	max-width: 540px;
	font-size: 15px;
	line-height: 1.75;
	color: rgba(255, 255, 255, 0.84);
}

.help-v3-page .hv3-hero-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.help-v3-page .hv3-hero-tags li {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: rgba(255, 255, 255, 0.95);
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 999px;
	backdrop-filter: blur(6px);
}

.help-v3-page .hv3-hero-tags li::before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--hv3-mid);
	box-shadow: 0 0 8px rgba(27, 196, 163, 0.8);
}

.help-v3-page .hv3-hero-aside {
	padding: 22px 24px;
	border-radius: var(--hv3-radius);
	background: rgba(255, 255, 255, 0.96);
	border: 1px solid rgba(255, 255, 255, 0.55);
	box-shadow: 0 24px 56px rgba(6, 74, 63, 0.22);
}

.help-v3-page .hv3-hero-aside h3 {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	font-size: 15px;
	font-weight: 800;
	color: var(--hv3-deep);
}

.help-v3-page .hv3-hero-aside h3::before {
	content: "\f05a";
	font-family: FontAwesome;
	font-weight: normal;
	font-size: 16px;
	color: var(--hv3);
}

.help-v3-page .hv3-hero-aside ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.help-v3-page .hv3-hero-aside li {
	position: relative;
	padding: 8px 0 8px 18px;
	font-size: 13px;
	line-height: 1.6;
	color: var(--hv3-muted);
	border-bottom: 1px dashed rgba(23, 171, 141, 0.15);
}

.help-v3-page .hv3-hero-aside li:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.help-v3-page .hv3-hero-aside li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 15px;
	width: 6px;
	height: 6px;
	border-radius: 2px;
	background: linear-gradient(135deg, var(--hv3), var(--hv3-dark));
	transform: rotate(45deg);
}

/* ---------- Breadcrumb ---------- */
.help-v3-page .hv3-bc.bc-nav {
	height: auto;
	min-height: 48px;
	line-height: 1.5;
	padding: 14px 0;
	border-bottom: 1px solid var(--hv3-line);
	background: rgba(255, 255, 255, 0.72);
	backdrop-filter: blur(10px);
}

.help-v3-page .hv3-bc.bc-nav > p {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	display: flex;
	flex-wrap: wrap;
	gap: 6px 4px;
	align-items: center;
	font-size: 13px;
}

.help-v3-page .hv3-bc.bc-nav > p > a {
	color: var(--hv3-dark) !important;
	text-decoration: none;
	font-weight: 500;
	transition: color 0.2s ease;
}

.help-v3-page .hv3-bc.bc-nav > p > a:hover {
	color: var(--hv3-deep) !important;
	text-decoration: underline;
}

.help-v3-page .hv3-bc.bc-nav > p > a:last-child {
	color: var(--hv3-muted) !important;
	font-weight: 600;
}

/* ---------- Layout ---------- */
.help-v3-page .hv3-layout {
	display: grid;
	grid-template-columns: 300px minmax(0, 1fr);
	gap: 28px;
	align-items: start;
	padding-top: 28px;
}

.help-v3-page .hv3-sidebar {
	position: sticky;
	top: 20px;
	background: #fff;
	border: 1px solid var(--hv3-line);
	border-radius: var(--hv3-radius);
	box-shadow: 0 16px 48px rgba(6, 74, 63, 0.06);
	overflow: hidden;
}

.help-v3-page .hv3-sidebar-head {
	padding: 18px 20px 14px;
	background: linear-gradient(180deg, var(--hv3-light) 0%, #fff 100%);
	border-bottom: 1px solid var(--hv3-line);
}

.help-v3-page .hv3-sidebar-head h2 {
	margin: 0 0 4px;
	font-size: 17px;
	font-weight: 800;
	color: var(--hv3-deep);
}

.help-v3-page .hv3-sidebar-head p {
	margin: 0;
	font-size: 12px;
	color: var(--hv3-muted);
}

.help-v3-page .hv3-cats {
	margin: 0;
	padding: 12px 12px 8px;
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 6px;
	border-bottom: 1px solid rgba(23, 171, 141, 0.08);
}

.help-v3-page .hv3-cat {
	margin: 0;
	padding: 0;
}

.help-v3-page .hv3-cat-btn {
	display: flex;
	align-items: center;
	gap: 10px;
	width: 100%;
	padding: 12px 14px;
	font-size: 14px;
	font-weight: 700;
	text-align: left;
	color: #374151;
	background: transparent;
	border: 1px solid transparent;
	border-radius: var(--hv3-radius-sm);
	cursor: pointer;
	transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.help-v3-page .hv3-cat-btn::before {
	content: "";
	flex-shrink: 0;
	width: 8px;
	height: 8px;
	border-radius: 3px;
	background: rgba(23, 171, 141, 0.25);
	transform: rotate(45deg);
	transition: background 0.2s ease, box-shadow 0.2s ease;
}

.help-v3-page .hv3-cat-btn:hover {
	color: var(--hv3-dark);
	background: var(--hv3-light);
	border-color: rgba(23, 171, 141, 0.12);
}

.help-v3-page .hv3-cat.is-active .hv3-cat-btn {
	color: #fff;
	background: linear-gradient(135deg, var(--hv3) 0%, var(--hv3-dark) 100%);
	border-color: transparent;
	box-shadow: 0 6px 20px rgba(14, 122, 102, 0.28);
}

.help-v3-page .hv3-cat.is-active .hv3-cat-btn::before {
	background: rgba(255, 255, 255, 0.85);
	box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.help-v3-page .hv3-articles-wrap {
	padding: 10px 12px 14px;
	max-height: 360px;
	overflow-y: auto;
}

.help-v3-page .hv3-articles-wrap::-webkit-scrollbar {
	width: 5px;
}

.help-v3-page .hv3-articles-wrap::-webkit-scrollbar-thumb {
	background: rgba(23, 171, 141, 0.35);
	border-radius: 999px;
}

.help-v3-page .hv3-article-panel {
	display: none;
	flex-direction: column;
	gap: 4px;
}

.help-v3-page .hv3-article-panel.is-active {
	display: flex;
}

.help-v3-page .hv3-article-link {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 12px;
	font-size: 13px;
	font-weight: 600;
	color: #4b5563;
	text-decoration: none;
	border-radius: 10px;
	border-left: 3px solid transparent;
	transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.help-v3-page .hv3-article-link::before {
	content: "\f016";
	font-family: FontAwesome;
	font-size: 12px;
	color: rgba(23, 171, 141, 0.45);
	flex-shrink: 0;
}

.help-v3-page .hv3-article-link:hover {
	color: var(--hv3-dark);
	background: var(--hv3-light);
	border-left-color: rgba(23, 171, 141, 0.35);
	transform: translateX(2px);
}

.help-v3-page .hv3-article-link.is-current {
	color: var(--hv3-deep);
	background: linear-gradient(90deg, rgba(232, 247, 243, 0.95), rgba(255, 255, 255, 0.9));
	border-left-color: var(--hv3);
	box-shadow: inset 0 0 0 1px rgba(23, 171, 141, 0.12);
}

.help-v3-page .hv3-article-link.is-current::before {
	content: "\f058";
	color: var(--hv3);
}

/* ---------- Main content ---------- */
.help-v3-page .hv3-main {
	background: #fff;
	border: 1px solid var(--hv3-line);
	border-radius: var(--hv3-radius);
	box-shadow: 0 20px 56px rgba(6, 74, 63, 0.07);
	overflow: hidden;
	min-height: 420px;
}

.help-v3-page .hv3-main-empty {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 72px 32px;
	text-align: center;
}

.help-v3-page .hv3-main-empty-icon {
	width: 72px;
	height: 72px;
	margin-bottom: 20px;
	border-radius: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 28px;
	color: var(--hv3);
	background: linear-gradient(135deg, var(--hv3-light), #fff);
	border: 1px solid var(--hv3-line);
	box-shadow: 0 8px 24px rgba(14, 122, 102, 0.1);
}

.help-v3-page .hv3-main-empty strong {
	display: block;
	margin-bottom: 10px;
	font-size: 20px;
	font-weight: 800;
	color: var(--hv3-deep);
}

.help-v3-page .hv3-main-empty span {
	font-size: 14px;
	line-height: 1.7;
	color: var(--hv3-muted);
	max-width: 36ch;
}

.help-v3-page .hv3-main-head {
	position: relative;
	padding: 28px 32px 22px;
	border-bottom: 1px solid rgba(23, 171, 141, 0.1);
	background: linear-gradient(180deg, rgba(232, 247, 243, 0.55) 0%, #fff 100%);
}

.help-v3-page .hv3-main-head::after {
	content: "";
	position: absolute;
	left: 32px;
	bottom: -1px;
	width: 64px;
	height: 3px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--hv3), var(--hv3-mid));
}

.help-v3-page .hv3-main-head-tag {
	display: inline-block;
	margin-bottom: 10px;
	padding: 4px 10px;
	font-size: 10px;
	font-weight: 800;
	letter-spacing: 0.14em;
	color: var(--hv3-dark);
	background: var(--hv3-light);
	border-radius: 999px;
}

.help-v3-page .hv3-main-head h1 {
	margin: 0;
	font-size: clamp(22px, 2.8vw, 30px);
	font-weight: 800;
	color: var(--hv3-ink);
	line-height: 1.35;
	letter-spacing: -0.01em;
}

.help-v3-page .hv3-content {
	padding: 28px 32px 36px;
	max-width: 100%;
	overflow-x: auto;
	font-size: 15px;
	line-height: 1.85;
	color: #374151;
}

.help-v3-page .hv3-content img {
	max-width: 100%;
	height: auto;
	border-radius: var(--hv3-radius-sm);
	box-shadow: 0 8px 24px rgba(6, 74, 63, 0.08);
}

.help-v3-page .hv3-content h1,
.help-v3-page .hv3-content h2,
.help-v3-page .hv3-content h3 {
	color: var(--hv3-deep);
	margin-top: 1.4em;
	font-weight: 800;
}

.help-v3-page .hv3-content p {
	margin: 0.85em 0;
}

.help-v3-page .hv3-content a {
	color: var(--hv3-dark);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.help-v3-page .hv3-content a:hover {
	color: var(--hv3);
}

.help-v3-page .hv3-feedback {
	padding: 22px 32px 28px;
	border-top: 1px solid rgba(23, 171, 141, 0.1);
	background: linear-gradient(180deg, #fafdfc 0%, var(--hv3-light) 100%);
}

.help-v3-page .hv3-feedback > p {
	margin: 0 0 16px;
	font-size: 14px;
	font-weight: 700;
	color: #374151;
}

.help-v3-page .hv3-feedback-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.help-v3-page .hv3-btn {
	min-width: 140px;
	padding: 11px 22px;
	font-size: 14px;
	font-weight: 700;
	border-radius: var(--hv3-radius-sm);
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.help-v3-page .hv3-btn:hover {
	transform: translateY(-1px);
}

.help-v3-page .hv3-btn--yes {
	color: #fff;
	background: linear-gradient(135deg, var(--hv3) 0%, var(--hv3-dark) 100%);
	box-shadow: 0 6px 20px rgba(14, 122, 102, 0.28);
}

.help-v3-page .hv3-btn--yes:hover {
	filter: brightness(1.05);
}

.help-v3-page .hv3-btn--no {
	color: var(--hv3-dark);
	background: #fff;
	border-color: rgba(23, 171, 141, 0.35);
}

.help-v3-page .hv3-btn--no:hover {
	background: var(--hv3-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
	.help-v3-page .hv3-hero-inner {
		grid-template-columns: 1fr;
	}

	.help-v3-page .hv3-layout {
		grid-template-columns: 1fr;
	}

	.help-v3-page .hv3-sidebar {
		position: static;
	}

	.help-v3-page .hv3-articles-wrap {
		max-height: none;
	}
}

@media (max-width: 640px) {
	.help-v3-page .hv3-hero {
		padding: 36px 0 40px;
	}

	.help-v3-page .hv3-main-head,
	.help-v3-page .hv3-content,
	.help-v3-page .hv3-feedback {
		padding-left: 20px;
		padding-right: 20px;
	}

	.help-v3-page .hv3-main-head::after {
		left: 20px;
	}

	.help-v3-page .hv3-btn {
		width: 100%;
	}
}