/**
 * AI Nexus — 核心布局与首页区块样式
 * @package AI_Nexus
 */

:root {
	--ai-primary: #5b8cff;
	--ai-secondary: #24d3c4;
	--ai-accent: #a855f7;
	--ai-bg: #05070f;
	--ai-bg-soft: #080d1a;
	--ai-bg-card: rgba(255, 255, 255, 0.035);
	--ai-bg-card-hover: rgba(255, 255, 255, 0.06);
	--ai-border: rgba(255, 255, 255, 0.09);
	--ai-border-strong: rgba(255, 255, 255, 0.16);
	--ai-text: #e9edf8;
	--ai-muted: #8e99b3;
	--ai-radius: 18px;
	--ai-radius-sm: 12px;
	--ai-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
	--ai-container: 1200px;
	--ai-header-h: 76px;
	--ai-font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--ai-header-h) + 16px);
}

body.ai-nexus-body {
	margin: 0;
	font-family: var(--ai-font);
	font-size: 16px;
	line-height: 1.75;
	color: var(--ai-text);
	background: var(--ai-bg);
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

img,
svg {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
	transition: color .2s ease, opacity .2s ease;
}

ul,
ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

h1, h2, h3, h4, h5 {
	margin: 0 0 .6em;
	line-height: 1.25;
	font-weight: 700;
	letter-spacing: -.01em;
}

p {
	margin: 0 0 1em;
}

button {
	font-family: inherit;
}

.container {
	width: 100%;
	max-width: var(--ai-container);
	margin: 0 auto;
	padding: 0 24px;
}

.dashicons {
	display: inline-block;
	vertical-align: middle;
	line-height: 1;
}

/* ------------------------------------------------------------------
 * 背景装饰
 * ------------------------------------------------------------------ */
.ai-grid-bg {
	position: fixed;
	inset: 0;
	z-index: -2;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
	background-size: 64px 64px;
	mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
	-webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
	pointer-events: none;
}

.ai-glow {
	position: fixed;
	z-index: -1;
	border-radius: 50%;
	filter: blur(120px);
	opacity: .5;
	pointer-events: none;
}

.ai-glow-a {
	top: -180px;
	left: -120px;
	width: 560px;
	height: 560px;
	background: var(--ai-primary);
}

.ai-glow-b {
	top: 180px;
	right: -160px;
	width: 520px;
	height: 520px;
	background: var(--ai-accent);
	opacity: .35;
}

/* ------------------------------------------------------------------
 * 按钮
 * ------------------------------------------------------------------ */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	font-size: 15px;
	font-weight: 600;
	border-radius: 999px;
	border: 1px solid transparent;
	cursor: pointer;
	white-space: nowrap;
	transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}

.btn .dashicons {
	font-size: 18px;
	width: 18px;
	height: 18px;
}

.btn-primary {
	color: #070b16;
	background: linear-gradient(120deg, var(--ai-primary), var(--ai-secondary));
	box-shadow: 0 12px 30px rgba(91, 140, 255, .32);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 18px 40px rgba(91, 140, 255, .45);
	color: #070b16;
}

.btn-ghost {
	color: var(--ai-text);
	background: rgba(255, 255, 255, .04);
	border-color: var(--ai-border);
}

.btn-ghost:hover {
	background: rgba(255, 255, 255, .09);
	border-color: var(--ai-border-strong);
}

.btn-outline {
	color: var(--ai-text);
	border-color: var(--ai-border-strong);
	background: transparent;
}

.btn-outline:hover {
	border-color: var(--ai-primary);
	color: var(--ai-primary);
}

.btn-sm {
	padding: 10px 20px;
	font-size: 14px;
}

.btn-lg {
	padding: 16px 34px;
	font-size: 16px;
}

.btn-block {
	width: 100%;
}

/* ------------------------------------------------------------------
 * 顶部导航
 * ------------------------------------------------------------------ */
.site-header {
	position: sticky;
	top: 0;
	z-index: 999;
	background: rgba(5, 7, 15, .72);
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	border-bottom: 1px solid transparent;
	transition: background .3s ease, border-color .3s ease;
}

.site-header.is-scrolled {
	background: rgba(5, 7, 15, .93);
	border-bottom-color: var(--ai-border);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	height: var(--ai-header-h);
}

.site-branding {
	flex-shrink: 0;
}

.brand-link {
	display: flex;
	align-items: center;
	gap: 12px;
}

.brand-mark {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	color: var(--ai-primary);
	border-radius: 11px;
	background: linear-gradient(140deg, rgba(91, 140, 255, .22), rgba(168, 85, 247, .18));
	border: 1px solid var(--ai-border);
}

.brand-mark svg {
	width: 26px;
	height: 26px;
}

.brand-text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.brand-text strong {
	font-size: 17px;
	letter-spacing: .01em;
}

.brand-text em {
	font-size: 12px;
	font-style: normal;
	color: var(--ai-muted);
}

.custom-logo-wrap .custom-logo {
	max-height: 40px;
	width: auto;
}

.primary-nav .nav-menu {
	display: flex;
	align-items: center;
	gap: 4px;
}

.primary-nav .menu-item {
	position: relative;
}

.primary-nav .menu-item > a {
	display: block;
	padding: 10px 14px;
	font-size: 15px;
	color: var(--ai-muted);
	border-radius: 8px;
}

.primary-nav .menu-item > a:hover,
.primary-nav .menu-item.current-menu-item > a {
	color: var(--ai-text);
	background: rgba(255, 255, 255, .05);
}

.primary-nav .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 180px;
	padding: 8px;
	background: #0b1020;
	border: 1px solid var(--ai-border);
	border-radius: 12px;
	box-shadow: var(--ai-shadow);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: all .2s ease;
}

.primary-nav .menu-item:hover > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.primary-nav .sub-menu a {
	display: block;
	padding: 8px 12px;
	font-size: 14px;
	color: var(--ai-muted);
	border-radius: 8px;
}

.primary-nav .sub-menu a:hover {
	background: rgba(255, 255, 255, .06);
	color: var(--ai-text);
}

.header-actions {
	display: flex;
	align-items: center;
	gap: 12px;
}

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 42px;
	height: 42px;
	padding: 0;
	background: rgba(255, 255, 255, .05);
	border: 1px solid var(--ai-border);
	border-radius: 10px;
	cursor: pointer;
}

.nav-toggle span {
	display: block;
	width: 18px;
	height: 2px;
	margin: 0 auto;
	background: var(--ai-text);
	border-radius: 2px;
	transition: transform .3s ease, opacity .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: 96px 0 80px;
	overflow: hidden;
}

.hero-inner {
	display: grid;
	grid-template-columns: 1.05fr .95fr;
	gap: 64px;
	align-items: center;
}

.hero-badge {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 7px 16px 7px 12px;
	margin-bottom: 22px;
	font-size: 13px;
	color: var(--ai-text);
	background: rgba(91, 140, 255, .1);
	border: 1px solid rgba(91, 140, 255, .28);
	border-radius: 999px;
}

.pulse-dot {
	position: relative;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--ai-secondary);
}

.pulse-dot::after {
	content: "";
	position: absolute;
	inset: -4px;
	border-radius: 50%;
	border: 1px solid var(--ai-secondary);
	animation: aiPulse 1.8s ease-out infinite;
}

@keyframes aiPulse {
	0% { transform: scale(.7); opacity: .9; }
	100% { transform: scale(1.5); opacity: 0; }
}

.hero-title {
	font-size: clamp(32px, 4.6vw, 58px);
	line-height: 1.15;
	margin-bottom: 20px;
	background: linear-gradient(100deg, #ffffff 20%, var(--ai-primary) 62%, var(--ai-secondary) 96%);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.hero-desc {
	max-width: 560px;
	font-size: 17px;
	color: var(--ai-muted);
	margin-bottom: 32px;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 44px;
}

.hero-trust {
	display: flex;
	flex-wrap: wrap;
	gap: 36px;
	padding-top: 28px;
	border-top: 1px solid var(--ai-border);
}

.hero-trust li {
	display: flex;
	flex-direction: column;
}

.hero-trust strong {
	font-size: 20px;
	color: var(--ai-text);
}

.hero-trust span {
	font-size: 13px;
	color: var(--ai-muted);
}

.hero-visual {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 420px;
}

.hero-image {
	width: 100%;
	border-radius: 24px;
	box-shadow: var(--ai-shadow);
}

/* 一进一出可视化 */
.io-core {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	width: 360px;
	height: 360px;
	padding: 26px;
	border-radius: 50%;
	background: radial-gradient(circle at 50% 50%, rgba(91, 140, 255, .1), transparent 68%);
}

.io-ring {
	position: absolute;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, .08);
}

.io-ring.ring-a {
	inset: 8px;
	border-style: dashed;
	border-color: rgba(91, 140, 255, .32);
	animation: spin 34s linear infinite;
}

.io-ring.ring-b {
	inset: 46px;
	border-color: rgba(36, 211, 196, .24);
	animation: spin 24s linear infinite reverse;
}

@keyframes spin {
	to { transform: rotate(360deg); }
}

.io-node {
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	min-width: 200px;
	padding: 13px 20px;
	text-align: center;
	border-radius: 16px;
	background: rgba(10, 15, 30, .88);
	border: 1px solid var(--ai-border);
	box-shadow: 0 16px 36px rgba(0, 0, 0, .42);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.io-node-title {
	font-size: 17px;
	font-weight: 700;
	letter-spacing: .02em;
}

.io-node-desc {
	font-size: 12px;
	color: var(--ai-muted);
}

.io-in .io-node-title {
	color: var(--ai-secondary);
}

.io-out .io-node-title {
	color: var(--ai-primary);
}

.io-flow {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 3px;
	color: var(--ai-primary);
}

.io-arrow svg {
	width: 40px;
	height: 12px;
}

.io-arrow-right {
	animation: nudgeRight 2.4s ease-in-out infinite;
}

.io-arrow-left {
	animation: nudgeLeft 2.4s ease-in-out infinite;
}

@keyframes nudgeRight {
	0%, 100% { transform: translateX(0); opacity: .5; }
	50% { transform: translateX(6px); opacity: 1; }
}

@keyframes nudgeLeft {
	0%, 100% { transform: translateX(0); opacity: .5; }
	50% { transform: translateX(-6px); opacity: 1; }
}

.io-center {
	position: absolute;
	left: 50%;
	bottom: 4px;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	font-size: 12px;
	color: var(--ai-muted);
	white-space: nowrap;
}

.io-center strong {
	font-size: 13px;
	color: var(--ai-text);
}

.io-center em {
	font-style: normal;
}

@keyframes floatY {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-12px); }
}

.float-card {
	position: absolute;
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 16px;
	font-size: 13px;
	background: rgba(10, 15, 30, .82);
	border: 1px solid var(--ai-border);
	border-radius: 14px;
	backdrop-filter: blur(10px);
	box-shadow: 0 16px 36px rgba(0, 0, 0, .4);
	animation: floatY 7s ease-in-out infinite;
}

.float-card .fc-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 30px;
	height: 30px;
	border-radius: 9px;
	color: var(--ai-secondary);
	background: rgba(36, 211, 196, .14);
}

.float-card .fc-text {
	display: flex;
	flex-direction: column;
	line-height: 1.35;
	color: var(--ai-muted);
}

.float-card .fc-text strong {
	font-size: 15px;
	color: var(--ai-text);
}

.float-card.card-a { top: 8%; left: -10px; }
.float-card.card-b { bottom: 16%; right: -22px; animation-delay: -2s; }
.float-card.card-c { bottom: 2%; left: 6%; animation-delay: -4s; }

.hero-scroll {
	display: flex;
	justify-content: center;
	margin-top: 50px;
}

.hero-scroll span {
	display: block;
	width: 24px;
	height: 40px;
	border: 1px solid var(--ai-border-strong);
	border-radius: 12px;
	position: relative;
}

.hero-scroll span::after {
	content: "";
	position: absolute;
	left: 50%;
	top: 9px;
	width: 4px;
	height: 8px;
	margin-left: -2px;
	border-radius: 2px;
	background: var(--ai-primary);
	animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
	0%, 100% { transform: translateY(0); opacity: 1; }
	50% { transform: translateY(14px); opacity: .3; }
}

/* ------------------------------------------------------------------
 * 数据指标
 * ------------------------------------------------------------------ */
.stats-section {
	position: relative;
	padding: 8px 0 56px;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 18px;
	padding: 32px 24px;
	background: linear-gradient(120deg, rgba(91, 140, 255, .09), rgba(36, 211, 196, .05));
	border: 1px solid var(--ai-border);
	border-radius: 24px;
}

.stat-item {
	text-align: center;
	position: relative;
}

.stat-item::after {
	content: "";
	position: absolute;
	right: 0;
	top: 12%;
	height: 76%;
	width: 1px;
	background: var(--ai-border);
}

.stat-item:last-child::after {
	display: none;
}

.stat-num {
	display: block;
	font-size: clamp(28px, 3.4vw, 40px);
	font-weight: 800;
	line-height: 1.1;
	background: linear-gradient(120deg, var(--ai-primary), var(--ai-secondary));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.stat-label {
	font-size: 14px;
	color: var(--ai-muted);
}

/* ------------------------------------------------------------------
 * 区块通用
 * ------------------------------------------------------------------ */
.section {
	padding: 88px 0;
}

.section-heading {
	max-width: 720px;
	margin: 0 auto 52px;
	text-align: center;
}

.section-eyebrow {
	display: inline-block;
	margin-bottom: 14px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--ai-secondary);
}

.section-title {
	font-size: clamp(26px, 3.2vw, 40px);
	margin-bottom: 14px;
}

.section-desc {
	color: var(--ai-muted);
	font-size: 16px;
}

/* 解决方案 */
.solution-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.solution-card {
	position: relative;
	display: flex;
	flex-direction: column;
	padding: 32px 28px;
	background: var(--ai-bg-card);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius);
	overflow: hidden;
	transition: transform .35s ease, border-color .35s ease, background .35s ease;
}

.solution-card::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 100% 0%, rgba(91, 140, 255, .16), transparent 60%);
	opacity: 0;
	transition: opacity .35s ease;
}

.solution-card:hover {
	transform: translateY(-6px);
	background: var(--ai-bg-card-hover);
	border-color: rgba(91, 140, 255, .4);
}

.solution-card:hover::before {
	opacity: 1;
}

.solution-icon {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 52px;
	height: 52px;
	margin-bottom: 20px;
	color: var(--ai-primary);
	border-radius: 14px;
	background: rgba(91, 140, 255, .12);
	border: 1px solid rgba(91, 140, 255, .22);
}

.solution-icon svg {
	width: 26px;
	height: 26px;
}

.solution-thumb {
	margin-bottom: 18px;
	border-radius: 12px;
}

.solution-label {
	position: relative;
	font-size: 12px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--ai-secondary);
	margin-bottom: 6px;
}

.solution-title {
	position: relative;
	font-size: 20px;
	margin-bottom: 10px;
}

.solution-desc {
	position: relative;
	flex: 1;
	font-size: 15px;
	color: var(--ai-muted);
	margin-bottom: 18px;
}

.solution-tags {
	position: relative;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 20px;
}

.solution-tags li {
	padding: 4px 10px;
	font-size: 12px;
	color: var(--ai-muted);
	background: rgba(255, 255, 255, .05);
	border: 1px solid var(--ai-border);
	border-radius: 999px;
}

.solution-link {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 14px;
	font-weight: 600;
	color: var(--ai-primary);
}

.solution-link .dashicons {
	transition: transform .25s ease;
}

.solution-link:hover .dashicons {
	transform: translateX(4px);
}

/* 技术标签 + 流程 */
.tech-cloud {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
	margin-bottom: 64px;
}

.tech-tag {
	padding: 10px 20px;
	font-size: 14px;
	color: var(--ai-text);
	background: rgba(255, 255, 255, .04);
	border: 1px solid var(--ai-border);
	border-radius: 999px;
	transition: all .25s ease;
}

.tech-tag:hover {
	color: var(--ai-secondary);
	border-color: rgba(36, 211, 196, .45);
	background: rgba(36, 211, 196, .08);
	transform: translateY(-2px);
}

.process-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
	position: relative;
}

.process-item {
	position: relative;
	padding: 28px 24px;
	background: var(--ai-bg-card);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius);
}

.process-item::after {
	content: "";
	position: absolute;
	top: 46px;
	right: -14px;
	width: 20px;
	height: 1px;
	background: linear-gradient(90deg, var(--ai-primary), transparent);
}

.process-item:last-child::after {
	display: none;
}

.process-step {
	display: block;
	margin-bottom: 12px;
	font-size: 28px;
	font-weight: 800;
	color: transparent;
	-webkit-text-stroke: 1px rgba(91, 140, 255, .7);
}

.process-item h3 {
	font-size: 18px;
	margin-bottom: 8px;
}

.process-item p {
	font-size: 14px;
	color: var(--ai-muted);
	margin: 0;
}

/* 案例 */
.section-cases {
	background: linear-gradient(180deg, transparent, rgba(91, 140, 255, .05), transparent);
}

.case-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.case-card {
	display: flex;
	flex-direction: column;
	background: var(--ai-bg-card);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius);
	overflow: hidden;
	transition: transform .35s ease, border-color .35s ease;
}

.case-card:hover {
	transform: translateY(-6px);
	border-color: rgba(91, 140, 255, .38);
}

.case-media {
	position: relative;
	height: 190px;
	overflow: hidden;
	background: linear-gradient(135deg, rgba(91, 140, 255, .22), rgba(168, 85, 247, .18));
}

.case-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.case-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
}

.case-placeholder span {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 76px;
	height: 76px;
	font-size: 30px;
	font-weight: 700;
	color: #fff;
	border-radius: 22px;
	background: rgba(255, 255, 255, .12);
	border: 1px solid rgba(255, 255, 255, .2);
}

.case-tag {
	position: absolute;
	top: 14px;
	left: 14px;
	padding: 5px 12px;
	font-size: 12px;
	border-radius: 999px;
	color: #070b16;
	background: linear-gradient(120deg, var(--ai-primary), var(--ai-secondary));
}

.case-body {
	flex: 1;
	display: flex;
	flex-direction: column;
	padding: 26px 24px;
}

.case-title {
	font-size: 19px;
	margin-bottom: 10px;
}

.case-desc {
	flex: 1;
	font-size: 14px;
	color: var(--ai-muted);
}

.case-metrics {
	display: flex;
	gap: 24px;
	padding: 16px 0;
	margin-bottom: 16px;
	border-top: 1px solid var(--ai-border);
	border-bottom: 1px solid var(--ai-border);
}

.case-metrics li {
	display: flex;
	flex-direction: column;
}

.case-metrics strong {
	font-size: 19px;
	color: var(--ai-secondary);
}

.case-metrics span {
	font-size: 12px;
	color: var(--ai-muted);
}

.case-link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 14px;
	font-weight: 600;
	color: var(--ai-primary);
}

/* 行业 */
.partners-head {
	text-align: center;
	margin-bottom: 34px;
}

.partners-head p {
	color: var(--ai-muted);
}

.partners-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}

.partner-item {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 22px 16px;
	font-size: 15px;
	color: var(--ai-muted);
	background: rgba(255, 255, 255, .025);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius-sm);
	transition: all .25s ease;
}

.partner-item:hover {
	color: var(--ai-text);
	border-color: rgba(91, 140, 255, .4);
	background: rgba(91, 140, 255, .07);
}

.partner-item .dashicons {
	color: var(--ai-primary);
	font-size: 18px;
	width: 18px;
	height: 18px;
}

/* 团队 */
.team-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
}

.team-card {
	text-align: center;
	padding: 34px 22px;
	background: var(--ai-bg-card);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius);
	transition: transform .35s ease, border-color .35s ease;
}

.team-card:hover {
	transform: translateY(-6px);
	border-color: rgba(168, 85, 247, .35);
}

.team-avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 92px;
	height: 92px;
	margin: 0 auto 18px;
	border-radius: 50%;
	overflow: hidden;
	color: #070b16;
	font-size: 32px;
	font-weight: 700;
	background: linear-gradient(135deg, var(--ai-primary), var(--ai-accent));
}

.team-avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.team-name {
	font-size: 18px;
	margin-bottom: 4px;
}

.team-role {
	display: block;
	margin-bottom: 12px;
	font-size: 13px;
	color: var(--ai-secondary);
}

.team-desc {
	font-size: 14px;
	color: var(--ai-muted);
	margin: 0;
}

/* FAQ */
.faq-inner {
	max-width: 880px;
}

.faq-list {
	border-top: 1px solid var(--ai-border);
}

.faq-item {
	border-bottom: 1px solid var(--ai-border);
}

.faq-question {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	width: 100%;
	padding: 22px 0;
	font-size: 16px;
	font-weight: 600;
	text-align: left;
	color: var(--ai-text);
	background: none;
	border: 0;
	cursor: pointer;
}

.faq-question:hover {
	color: var(--ai-primary);
}

.faq-question .dashicons {
	flex-shrink: 0;
	color: var(--ai-primary);
	transition: transform .3s ease;
}

.faq-item.is-open .faq-question .dashicons {
	transform: rotate(45deg);
}

.faq-answer {
	display: none;
	padding-bottom: 22px;
}

.faq-answer-inner {
	font-size: 15px;
	color: var(--ai-muted);
}

.faq-answer-inner p:last-child {
	margin-bottom: 0;
}

.faq-empty {
	text-align: center;
	color: var(--ai-muted);
}

/* 联系 */
.contact-wrap {
	display: grid;
	grid-template-columns: .8fr 1.2fr;
	gap: 40px;
	padding: 40px;
	background: var(--ai-bg-card);
	border: 1px solid var(--ai-border);
	border-radius: 26px;
}

.contact-info h3 {
	font-size: 20px;
	margin-bottom: 20px;
}

.contact-card {
	display: grid;
	grid-template-columns: 42px 1fr;
	grid-template-rows: auto auto;
	gap: 2px 14px;
	align-items: center;
	padding: 16px 0;
	border-bottom: 1px dashed var(--ai-border);
}

.contact-icon {
	grid-row: span 2;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	border-radius: 12px;
	color: var(--ai-primary);
	background: rgba(91, 140, 255, .1);
}

.contact-label {
	font-size: 12px;
	color: var(--ai-muted);
}

.contact-value {
	font-size: 15px;
	font-weight: 600;
}

a.contact-value:hover {
	color: var(--ai-primary);
}

.contact-qr {
	margin-top: 24px;
	text-align: center;
}

.contact-qr img {
	margin: 0 auto 8px;
	border-radius: 12px;
	background: #fff;
	padding: 6px;
}

.contact-qr span {
	font-size: 13px;
	color: var(--ai-muted);
}

.field-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

.contact-form p,
.ai-contact-form p {
	margin-bottom: 16px;
}

.contact-form label,
.ai-contact-form label {
	display: block;
	margin-bottom: 7px;
	font-size: 13px;
	color: var(--ai-muted);
}

.contact-form label em {
	color: var(--ai-primary);
	font-style: normal;
}

.contact-form input,
.contact-form textarea,
.contact-form select,
.ai-contact-form input,
.ai-contact-form textarea {
	width: 100%;
	padding: 13px 16px;
	font-family: inherit;
	font-size: 15px;
	color: var(--ai-text);
	background: rgba(255, 255, 255, .04);
	border: 1px solid var(--ai-border);
	border-radius: var(--ai-radius-sm);
	transition: border-color .25s ease, background .25s ease;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus,
.ai-contact-form input:focus,
.ai-contact-form textarea:focus {
	outline: none;
	border-color: var(--ai-primary);
	background: rgba(91, 140, 255, .06);
}

.contact-form select option {
	background: #0b1020;
	color: var(--ai-text);
}

.form-note,
.ai-form-note {
	margin-top: 12px;
	font-size: 13px;
	color: var(--ai-muted);
	text-align: center;
}

/* CTA */
.cta-band {
	position: relative;
	margin: 40px 0 0;
	padding: 64px 0;
	background: linear-gradient(120deg, rgba(91, 140, 255, .16), rgba(36, 211, 196, .1));
	border-top: 1px solid var(--ai-border);
	border-bottom: 1px solid var(--ai-border);
}

.cta-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 34px;
}

.cta-text h2 {
	font-size: clamp(24px, 2.8vw, 34px);
	margin-bottom: 8px;
}

.cta-text p {
	color: var(--ai-muted);
	margin: 0;
}

.cta-actions {
	display: flex;
	gap: 14px;
	flex-shrink: 0;
}

/* 滚动动画 */
[data-reveal] {
	opacity: 0;
	transform: translateY(26px);
	transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
	transition-delay: var(--d, 0ms);
}

[data-reveal].is-visible {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: .001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .001ms !important;
	}

	[data-reveal] {
		opacity: 1;
		transform: none;
	}
}
