/* ============================================================
   GooFuture | B2B 出海增长服务落地页
   深色 + 蓝紫渐变 · 现代科技 B2B 风格
   ============================================================ */

@font-face {
	font-family: "NotoSansSC-Bold";
	src: url("assets/fonts/NotoSansSC-Bold.otf") format("opentype");
	font-weight: 700;
	font-display: swap;
}

:root {
	--bg: #08090D;
	--bg-soft: #0D0F16;
	--bg-card: #11131C;
	--bg-card-hover: #161925;
	--ink: #FFFFFF;
	--ink-soft: #9CA3AF;
	--ink-faint: #6B7280;
	--brand: #635BFF;
	--brand-light: #8B5CF6;
	--brand-soft: rgba(99, 91, 255, 0.12);
	--border: rgba(255, 255, 255, 0.08);
	--border-soft: rgba(255, 255, 255, 0.05);
	--grad: linear-gradient(135deg, #635BFF 0%, #8B5CF6 100%);
	--radius: 14px;
	--radius-lg: 20px;
	--font-ui: "NotoSansSC-Bold", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
	--font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.container {
	width: 100%;
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 24px;
}

h1, h2, h3 { font-family: var(--font-ui); line-height: 1.35; }

a { color: inherit; text-decoration: none; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-block;
	font-family: var(--font-ui);
	font-size: 15px;
	line-height: 1;
	padding: 14px 26px;
	border-radius: 10px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
	text-align: center;
}

.btn-primary {
	background: var(--grad);
	color: #fff;
	box-shadow: 0 8px 24px rgba(99, 91, 255, 0.35);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 32px rgba(99, 91, 255, 0.5);
}

.btn-ghost {
	background: transparent;
	color: var(--ink);
	border-color: var(--border);
}

.btn-ghost:hover {
	border-color: var(--brand);
	background: var(--brand-soft);
	transform: translateY(-2px);
}

.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	background: rgba(8, 9, 13, 0.6);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-bottom: 1px solid transparent;
	transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-stuck {
	background: rgba(8, 9, 13, 0.92);
	border-bottom-color: var(--border);
}

.header-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 24px;
	height: 68px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

.brand { display: flex; flex-direction: column; line-height: 1.3; }

.brand-name {
	font-family: var(--font-ui);
	font-size: 19px;
	font-weight: 700;
	color: var(--ink);
}

.brand-dot { color: var(--brand-light); margin: 0 2px; }

.brand-sub {
	font-size: 12px;
	color: var(--ink-faint);
	letter-spacing: 0.5px;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 28px;
	font-size: 15px;
	color: var(--ink-soft);
}

.site-nav > a { transition: color 0.15s ease; white-space: nowrap; }
.site-nav > a:hover { color: var(--ink); }

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	background: transparent;
	border: 1px solid var(--border);
	border-radius: 8px;
	cursor: pointer;
	padding: 8px 9px;
}

.nav-toggle span {
	display: block;
	height: 2px;
	background: var(--ink);
	border-radius: 2px;
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
	position: relative;
	padding: 150px 0 90px;
	overflow: hidden;
}

.hero-glow {
	position: absolute;
	top: -260px;
	left: 50%;
	transform: translateX(-50%);
	width: 900px;
	height: 640px;
	background: radial-gradient(ellipse at center, rgba(99, 91, 255, 0.22) 0%, rgba(139, 92, 246, 0.08) 45%, transparent 70%);
	filter: blur(10px);
	pointer-events: none;
}

.hero-grid {
	position: relative;
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 56px;
	align-items: center;
}

.hero-tag {
	display: inline-block;
	font-size: 13px;
	letter-spacing: 1px;
	color: #C7C3FF;
	background: var(--brand-soft);
	border: 1px solid rgba(99, 91, 255, 0.35);
	border-radius: 999px;
	padding: 6px 16px;
	margin-bottom: 22px;
}

.hero h1 {
	font-size: 44px;
	font-weight: 700;
	letter-spacing: 0.5px;
}

.hero-desc {
	margin-top: 20px;
	font-size: 17px;
	color: var(--ink-soft);
	max-width: 520px;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 32px;
}

.hero-aux {
	margin-top: 26px;
	font-size: 13px;
	color: var(--ink-faint);
	letter-spacing: 1px;
}

/* Hero Dashboard */
.hero-visual { display: flex; flex-direction: column; gap: 10px; }

.hero-visual-note {
	font-size: 12px;
	color: var(--ink-faint);
	text-align: center;
}

.dash {
	background: linear-gradient(180deg, #12141F 0%, #0D0F16 100%);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 22px 24px;
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 91, 255, 0.06);
}

.dash-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 18px;
}

.dash-title {
	font-family: var(--font-ui);
	font-size: 12px;
	letter-spacing: 2px;
	color: var(--ink-soft);
}

.dash-live {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 11px;
	color: #34D399;
	border: 1px solid rgba(52, 211, 153, 0.3);
	border-radius: 999px;
	padding: 2px 10px;
}

.dash-live i {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #34D399;
	box-shadow: 0 0 8px #34D399;
}

.dash-block { padding: 12px 0; border-top: 1px solid var(--border-soft); }

.dash-label { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }

.dash-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.dash-metric {
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid var(--border-soft);
	border-radius: 10px;
	padding: 12px 14px;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.m-name { font-size: 12px; color: var(--ink-faint); }

.m-value {
	font-family: var(--font-ui);
	font-size: 22px;
	font-weight: 700;
	color: #34D399;
}

.dash-block:nth-of-type(2) .m-value { color: #8B5CF6; }

.dash-chart { width: 100%; height: 90px; margin-top: 6px; }

.dash-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 14px;
	padding-top: 14px;
	border-top: 1px solid var(--border-soft);
}

.dash-chips span {
	font-size: 12px;
	color: var(--ink-soft);
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--border-soft);
	border-radius: 999px;
	padding: 4px 12px;
}

/* ---------- 通用 Section ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-soft); }

.section-head { text-align: center; margin-bottom: 56px; }

.section-head h2 {
	font-size: 34px;
	font-weight: 700;
	letter-spacing: 0.5px;
}

.section-lead { margin-top: 18px; color: var(--ink-soft); font-size: 16px; }

/* ---------- 02 痛点 ---------- */
.pain-have {
	color: var(--ink);
	font-family: var(--font-ui);
	margin-top: 6px;
}

.pain-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
	margin-top: 8px;
}

.pain-card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 28px 24px;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.pain-card:hover { transform: translateY(-4px); border-color: rgba(99, 91, 255, 0.45); }

.pain-num {
	font-family: var(--font-ui);
	font-size: 13px;
	color: var(--brand-light);
	letter-spacing: 2px;
}

.pain-card h3 { font-size: 19px; margin: 10px 0 8px; }

.pain-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 03 核心价值 ---------- */
.section-value {
	text-align: center;
	background:
		radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99, 91, 255, 0.14) 0%, transparent 70%),
		var(--bg-soft);
}

.value-title {
	font-size: 40px;
	font-weight: 700;
	letter-spacing: 0.5px;
}

.vs-grid {
	display: grid;
	grid-template-columns: 1fr auto 1.2fr;
	gap: 32px;
	align-items: stretch;
	max-width: 980px;
	margin: 56px auto 0;
	text-align: left;
}

.vs-col {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 28px;
}

.vs-col-growth {
	border-color: rgba(99, 91, 255, 0.5);
	background: linear-gradient(180deg, rgba(99, 91, 255, 0.1) 0%, var(--bg-card) 60%);
	box-shadow: 0 20px 48px rgba(99, 91, 255, 0.18);
}

.vs-label {
	font-family: var(--font-ui);
	font-size: 15px;
	color: var(--ink-soft);
	margin-bottom: 16px;
	letter-spacing: 1px;
}

.vs-col-growth .vs-label { color: #C7C3FF; }

.vs-flow { list-style: none; }

.vs-flow li {
	font-size: 15px;
	padding: 8px 0;
	border-bottom: 1px dashed var(--border-soft);
	color: var(--ink);
}

.vs-flow li:last-child { border-bottom: none; }

.vs-flow li::before {
	content: "↓";
	display: inline-block;
	color: var(--ink-faint);
	margin-right: 10px;
	font-size: 13px;
}

.vs-end {
	font-family: var(--font-ui);
	color: var(--brand-light) !important;
}

.vs-divider {
	display: flex;
	align-items: center;
	font-family: var(--font-ui);
	color: var(--ink-faint);
	font-size: 15px;
	letter-spacing: 2px;
}

.value-note {
	margin-top: 48px;
	font-size: 17px;
	color: var(--ink-soft);
}

/* ---------- 04 服务体系 ---------- */
.service-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.service-card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 32px 30px;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.service-card:hover { transform: translateY(-4px); border-color: rgba(139, 92, 246, 0.45); }

.service-num {
	font-family: var(--font-ui);
	font-size: 14px;
	color: var(--brand-light);
	letter-spacing: 2px;
}

.service-card h3 { font-size: 24px; margin: 10px 0 8px; }

.service-tag { color: var(--ink-soft); font-size: 15px; margin-bottom: 18px; }

.service-card ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.service-card ul.mt-8 { margin-top: 8px; }

.service-card li {
	font-size: 13px;
	color: var(--ink-soft);
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--border-soft);
	border-radius: 999px;
	padding: 5px 13px;
}

.service-honest {
	margin-top: 18px;
	font-size: 13px;
	color: #C7C3FF;
	background: var(--brand-soft);
	border: 1px dashed rgba(99, 91, 255, 0.4);
	border-radius: 10px;
	padding: 12px 16px;
}

.service-funnel {
	margin-top: 18px;
	font-family: var(--font-ui);
	font-size: 15px;
	color: var(--ink);
}

/* ---------- 05 为什么现在 ---------- */
.timeline-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.timeline-col {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 28px;
}

.timeline-col-now {
	border-color: rgba(99, 91, 255, 0.5);
	background: linear-gradient(180deg, rgba(99, 91, 255, 0.1) 0%, var(--bg-card) 60%);
}

.tl-label {
	font-family: var(--font-ui);
	font-size: 16px;
	color: var(--ink-soft);
	margin-bottom: 14px;
	letter-spacing: 2px;
}

.timeline-col-now .tl-label { color: #C7C3FF; }

.tl-flow { list-style: none; }

.tl-flow li {
	font-size: 15px;
	padding: 8px 0;
	border-bottom: 1px dashed var(--border-soft);
}

.tl-flow li:last-child { border-bottom: none; }

.tl-flow li::before {
	content: "↓";
	color: var(--ink-faint);
	margin-right: 10px;
	font-size: 13px;
}

.tl-end { font-family: var(--font-ui); color: var(--brand-light) !important; }

.timeline-note {
	margin-top: 44px;
	text-align: center;
	font-family: var(--font-ui);
	font-size: 17px;
	color: var(--ink-soft);
}

/* ---------- 06 行业 ---------- */
.industry-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.industry-card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 28px 26px;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.industry-card:hover { transform: translateY(-4px); border-color: rgba(99, 91, 255, 0.45); }

.industry-icon {
	display: inline-flex;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	border-radius: 12px;
	background: var(--brand-soft);
	color: #A5A0FF;
	margin-bottom: 16px;
}

.industry-icon svg { width: 24px; height: 24px; }

.industry-card h3 { font-size: 19px; margin-bottom: 6px; }

.industry-card p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 07 套餐 ---------- */
.pricing-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	align-items: stretch;
}

.price-card {
	position: relative;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 32px 28px;
	display: flex;
	flex-direction: column;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.price-card:hover { transform: translateY(-4px); }

.price-card-hot {
	border-color: rgba(99, 91, 255, 0.6);
	background: linear-gradient(180deg, rgba(99, 91, 255, 0.12) 0%, var(--bg-card) 45%);
	box-shadow: 0 24px 56px rgba(99, 91, 255, 0.22);
}

.price-badge {
	position: absolute;
	top: -14px;
	left: 50%;
	transform: translateX(-50%);
	font-size: 12px;
	color: #fff;
	background: var(--grad);
	border-radius: 999px;
	padding: 4px 14px;
	white-space: nowrap;
}

.price-name {
	font-family: var(--font-ui);
	font-size: 14px;
	letter-spacing: 2px;
	color: var(--brand-light);
}

.price-cn { font-size: 15px; color: var(--ink-soft); margin-top: 2px; }

.price-value {
	font-family: var(--font-ui);
	font-size: 36px;
	font-weight: 700;
	margin-top: 14px;
}

.price-value span { font-size: 14px; color: var(--ink-soft); font-weight: 400; }

.price-fit { font-size: 13px; color: var(--ink-soft); margin: 8px 0 16px; }

.price-include { font-size: 13px; color: #C7C3FF; margin-bottom: 10px; }

.price-list {
	list-style: none;
	margin: 0 0 24px;
	flex: 1;
}

.price-list li {
	font-size: 14px;
	color: var(--ink-soft);
	padding: 7px 0 7px 24px;
	position: relative;
	border-bottom: 1px dashed var(--border-soft);
}

.price-list li:last-child { border-bottom: none; }

.price-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: var(--brand-light);
	font-size: 13px;
}

/* ---------- 08 方法论 ---------- */
.method-grid {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 16px;
}

.method-step {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 24px 20px;
	position: relative;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.method-step:hover { transform: translateY(-4px); border-color: rgba(99, 91, 255, 0.45); }

.method-step:not(:last-child)::after {
	content: "→";
	position: absolute;
	right: -15px;
	top: 50%;
	transform: translateY(-50%);
	color: var(--ink-faint);
	font-size: 14px;
	z-index: 1;
}

.method-num {
	font-family: var(--font-ui);
	font-size: 13px;
	color: var(--brand-light);
	letter-spacing: 2px;
}

.method-step h3 { font-size: 19px; margin: 8px 0 6px; }

.method-step p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 09 免费诊断 ---------- */
.section-diagnosis {
	background:
		radial-gradient(ellipse 70% 60% at 50% 0%, rgba(99, 91, 255, 0.18) 0%, transparent 65%),
		var(--bg-soft);
	border-top: 1px solid var(--border);
	border-bottom: 1px solid var(--border);
}

.diagnosis-grid {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 56px;
	align-items: start;
}

.diagnosis-form-wrap h2 { font-size: 34px; }

.diagnosis-sub { color: var(--ink-soft); margin: 14px 0 28px; }

.diagnosis-form {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 28px;
}

.field { margin-bottom: 16px; }

.field label {
	display: block;
	font-size: 13px;
	color: var(--ink-soft);
	margin-bottom: 6px;
}

.field input,
.field select {
	width: 100%;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 10px;
	color: var(--ink);
	font-family: var(--font-body);
	font-size: 15px;
	padding: 12px 14px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	appearance: none;
}

.field select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239CA3AF' stroke-width='1.6'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 14px center;
	padding-right: 36px;
}

.field input:focus,
.field select:focus {
	outline: none;
	border-color: var(--brand);
	box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.2);
}

.field input.is-invalid { border-color: #F87171; }

.form-note { margin-top: 12px; font-size: 12px; color: var(--ink-faint); text-align: center; }

.form-success {
	margin-top: 16px;
	font-size: 14px;
	color: #34D399;
	background: rgba(52, 211, 153, 0.08);
	border: 1px dashed rgba(52, 211, 153, 0.4);
	border-radius: 10px;
	padding: 12px 16px;
}

.diagnosis-side { position: sticky; top: 96px; }

.diagnosis-side h3 { font-size: 21px; margin-bottom: 18px; }

.check-list {
	list-style: none;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	margin-bottom: 32px;
}

.check-list li {
	font-size: 14px;
	color: var(--ink-soft);
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 10px 14px 10px 34px;
	position: relative;
}

.check-list li::before {
	content: "✓";
	position: absolute;
	left: 13px;
	color: #34D399;
}

.growth-score { text-align: center; }

.score-ring { position: relative; width: 150px; margin: 0 auto; }

.score-ring svg { width: 150px; height: 150px; transform: rotate(-90deg); }

.score-bg { fill: none; stroke: rgba(255, 255, 255, 0.08); stroke-width: 9; }

.score-fg {
	fill: none;
	stroke: url(#scoreGrad);
	stroke: #635BFF;
	stroke-width: 9;
	stroke-linecap: round;
}

.score-num {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	font-family: var(--font-ui);
	font-size: 34px;
	font-weight: 700;
}

.score-num em { font-style: normal; font-size: 13px; color: var(--ink-faint); }

.score-label { margin-top: 10px; font-size: 13px; color: var(--ink-faint); }

/* ---------- 10 案例 ---------- */
.case-chips {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
	margin-bottom: 48px;
}

.case-chips span {
	font-family: var(--font-ui);
	font-size: 14px;
	color: var(--ink-soft);
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 999px;
	padding: 9px 22px;
	transition: border-color 0.2s ease, color 0.2s ease;
}

.case-chips span:hover { border-color: rgba(99, 91, 255, 0.5); color: var(--ink); }

.case-geo { text-align: center; }

.geo-q {
	display: inline-block;
	font-size: 15px;
	color: var(--ink);
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 999px 999px 999px 4px;
	padding: 12px 24px;
	margin-bottom: 28px;
}

.geo-flow {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: 12px;
}

.geo-node {
	font-size: 13px;
	border-radius: 999px;
	padding: 8px 18px;
	border: 1px solid var(--border);
}

.geo-q-node { color: var(--ink-soft); }
.geo-ai-node { color: #C7C3FF; border-color: rgba(99, 91, 255, 0.5); background: var(--brand-soft); }
.geo-brand-node { color: var(--ink); border-color: rgba(52, 211, 153, 0.4); }

.geo-arrow { width: 26px; height: 1.5px; background: var(--ink-faint); position: relative; }

.geo-arrow::after {
	content: "";
	position: absolute;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	border-left: 5px solid var(--ink-faint);
	border-top: 3.5px solid transparent;
	border-bottom: 3.5px solid transparent;
}

/* ---------- 11 FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }

.faq-list details {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	margin-bottom: 12px;
	overflow: hidden;
}

.faq-list summary {
	list-style: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 18px 22px;
	font-family: var(--font-ui);
	font-size: 16px;
	font-weight: 700;
	transition: background 0.15s ease;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary:hover { background: rgba(255, 255, 255, 0.02); }

.faq-icon {
	flex: none;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	border: 1px solid var(--border);
	position: relative;
	transition: transform 0.2s ease, border-color 0.2s ease;
}

.faq-icon::before,
.faq-icon::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	background: var(--ink-soft);
	transition: transform 0.2s ease;
}

.faq-icon::before { width: 9px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 9px; }

details[open] .faq-icon { border-color: var(--brand); transform: rotate(180deg); }
details[open] .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }

.faq-answer { padding: 0 22px 20px; color: var(--ink-soft); font-size: 15px; }
.faq-answer p + p { margin-top: 6px; }

/* ---------- 12 最终 CTA ---------- */
.section-final {
	text-align: center;
	background:
		radial-gradient(ellipse 60% 70% at 50% 100%, rgba(99, 91, 255, 0.2) 0%, transparent 70%),
		var(--bg-soft);
	border-top: 1px solid var(--border);
	padding: 120px 0;
}

.section-final h2 { font-size: 40px; }

.final-desc { margin: 18px 0 36px; font-size: 17px; color: var(--ink-soft); }

.final-aux { margin-top: 26px; font-size: 13px; color: var(--ink-faint); letter-spacing: 1px; }

/* ---------- Footer ---------- */
.site-footer {
	border-top: 1px solid var(--border);
	background: var(--bg);
	padding: 56px 0 40px;
}

.footer-brand .brand-name { font-family: var(--font-ui); font-size: 20px; font-weight: 700; }

.footer-brand p {
	margin-top: 10px;
	font-size: 14px;
	color: var(--ink-soft);
	max-width: 460px;
}

.footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 24px;
	margin-top: 28px;
	font-size: 14px;
	color: var(--ink-soft);
}

.footer-nav a:hover { color: var(--ink); }

.footer-meta {
	margin-top: 28px;
	padding-top: 22px;
	border-top: 1px solid var(--border-soft);
	font-size: 12px;
	color: var(--ink-faint);
}

/* ---------- 咨询弹窗 ---------- */
.consult-dialog {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	margin: 0;
	border: none;
	border-radius: var(--radius-lg);
	background: var(--bg-card);
	color: var(--ink);
	padding: 0;
	max-width: 380px;
	width: calc(100vw - 48px);
	max-height: calc(100vh - 48px);
	overflow: auto;
	z-index: 1000;
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
}

.consult-dialog:not([open]) {
	display: none;
}

.consult-dialog[open] {
	display: block;
}

.consult-dialog::backdrop {
	background: rgba(0, 0, 0, 0.7);
	backdrop-filter: blur(4px);
}

.consult-panel {
	position: relative;
	padding: 32px 28px 26px;
	text-align: center;
}

.consult-close {
	position: absolute;
	top: 12px;
	right: 12px;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	border: 1px solid var(--border);
	background: transparent;
	color: var(--ink-soft);
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	transition: border-color 0.15s ease, color 0.15s ease;
}

.consult-close:hover { border-color: var(--brand); color: var(--ink); }

.consult-panel h3 { font-size: 19px; }

.consult-desc { margin: 10px 0 18px; font-size: 13px; color: var(--ink-soft); }

.consult-qrcode {
	display: block;
	width: 220px;
	height: 420px;
	max-width: none;
	object-fit: contain;
	flex-shrink: 0;
	margin: 0 auto;
	border-radius: 12px;
	border: 1px solid var(--border);
}

.consult-tip { margin-top: 14px; font-size: 12px; color: var(--ink-faint); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.hero { padding: 130px 0 70px; }
	.hero h1 { font-size: 36px; }
	.hero-grid { grid-template-columns: 1fr; gap: 44px; }
	.hero-visual { max-width: 520px; margin: 0 auto; }
	.pain-grid { grid-template-columns: repeat(2, 1fr); }
	.vs-grid { grid-template-columns: 1fr; gap: 20px; }
	.vs-divider { justify-content: center; }
	.service-grid { grid-template-columns: 1fr; }
	.timeline-grid { grid-template-columns: 1fr; }
	.pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
	.price-card-hot { order: -1; }
	.method-grid { grid-template-columns: repeat(2, 1fr); }
	.method-step:not(:last-child)::after { display: none; }
	.diagnosis-grid { grid-template-columns: 1fr; gap: 40px; }
	.diagnosis-side { position: static; }
	.section-head h2 { font-size: 30px; }
	.value-title { font-size: 32px; }
	.section-final h2 { font-size: 34px; }
}

@media (max-width: 768px) {
	.site-nav {
		position: fixed;
		top: 68px;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		background: rgba(8, 9, 13, 0.98);
		border-bottom: 1px solid var(--border);
		padding: 12px 24px 20px;
		display: none;
	}

	.site-nav.is-open { display: flex; }

	.site-nav > a { padding: 13px 0; border-bottom: 1px solid var(--border-soft); }

	.site-nav .btn { margin-top: 16px; }

	.nav-toggle { display: flex; }

	.section { padding: 72px 0; }
	.industry-grid { grid-template-columns: 1fr 1fr; }
	.check-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
	.hero { padding: 120px 0 56px; }
	.hero h1 { font-size: 29px; }
	.hero-desc { font-size: 15px; }
	.hero-actions .btn { width: 100%; }
	.pain-grid { grid-template-columns: 1fr; }
	.industry-grid { grid-template-columns: 1fr; }
	.method-grid { grid-template-columns: 1fr; }
	.section-head h2 { font-size: 26px; }
	.value-title { font-size: 27px; }
	.section-final { padding: 88px 0; }
	.section-final h2 { font-size: 29px; }
	.brand-sub { display: none; }
	.footer-nav { gap: 16px; }
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.btn, .pain-card, .service-card, .industry-card, .price-card, .method-step { transition: none; }
}