/* ==========================================================================
   QuickQ 加速器 单页站点样式
   ========================================================================== */

:root {
	--qq-blue: #2563eb;
	--qq-indigo: #4f46e5;
	--qq-violet: #7c3aed;
	--qq-cyan: #22d3ee;
	--qq-green: #10b981;
	--qq-ink: #0b1220;
	--qq-ink-2: #16203a;
	--qq-body: #4b586f;
	--qq-muted: #6b7890;
	--qq-line: #e6eaf3;
	--qq-soft: #f5f7fc;
	--qq-dark: #070c1b;
	--qq-gradient: linear-gradient(120deg, #2563eb 0%, #6d28d9 55%, #7c3aed 100%);
	--qq-gradient-soft: linear-gradient(135deg, #eef3ff 0%, #f6f0ff 100%);
	--qq-shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
	--qq-shadow: 0 14px 40px rgba(15, 23, 42, .1);
	--qq-shadow-lg: 0 32px 80px rgba(18, 24, 60, .18);
	--qq-radius: 18px;
	--qq-radius-lg: 28px;
	--qq-container: 1180px;
	--qq-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
		"Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
}

html {
	scroll-behavior: smooth;
}

body.qq-front,
body.qq-front .wp-site-blocks {
	background: #fff;
}

.wp-site-blocks {
	padding: 0 !important;
}

.wp-site-blocks > * {
	margin-block-start: 0 !important;
}

.qq-main {
	margin-block-start: 0 !important;
}

/* ---------- 基础重置（仅作用于本站自有模块） ---------- */

.qq-site,
.qq-header,
.qq-footer {
	font-family: var(--qq-font);
	font-size: 16px;
	line-height: 1.75;
	color: var(--qq-body);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

.qq-site *,
.qq-site *::before,
.qq-site *::after,
.qq-header *,
.qq-header *::before,
.qq-header *::after,
.qq-footer *,
.qq-footer *::before,
.qq-footer *::after {
	box-sizing: border-box;
}

.qq-site p,
.qq-header p,
.qq-footer p {
	margin: 0;
}

.qq-site h1,
.qq-site h2,
.qq-site h3,
.qq-site h4,
.qq-footer h2,
.qq-footer h3 {
	margin: 0;
	font-family: var(--qq-font);
	color: var(--qq-ink);
	line-height: 1.25;
	letter-spacing: -.01em;
	font-weight: 700;
}

.qq-site ul,
.qq-site ol,
.qq-footer ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.qq-site img {
	max-width: 100%;
	height: auto;
	display: block;
}

.qq-site a,
.qq-footer a,
.qq-header a {
	text-decoration: none;
}

.qq-site section {
	margin: 0;
}

.qq-container {
	width: 100%;
	max-width: var(--qq-container);
	margin: 0 auto;
	padding: 0 22px;
}

/* ---------- 通用按钮 ---------- */

.qq-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 9px;
	min-height: 50px;
	padding: 0 26px;
	border-radius: 999px;
	border: 0;
	font-size: 15.5px;
	font-weight: 600;
	line-height: 1;
	color: #fff;
	background-image: var(--qq-gradient);
	box-shadow: 0 12px 26px rgba(76, 68, 214, .32);
	cursor: pointer;
	transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.qq-btn:hover {
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 18px 34px rgba(76, 68, 214, .4);
}

.qq-btn svg {
	width: 18px;
	height: 18px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.qq-btn--ghost {
	background-image: none;
	background-color: rgba(255, 255, 255, .08);
	border: 1px solid rgba(255, 255, 255, .28);
	color: #fff;
	box-shadow: none;
}

.qq-btn--ghost:hover {
	background-color: rgba(255, 255, 255, .16);
	box-shadow: none;
}

.qq-btn--light {
	background-image: none;
	background-color: #fff;
	color: var(--qq-blue);
	box-shadow: 0 12px 30px rgba(7, 12, 27, .22);
}

.qq-btn--light:hover {
	color: var(--qq-indigo);
}

.qq-btn--outline {
	background-image: none;
	background-color: transparent;
	border: 1px solid #cdd8ee;
	color: var(--qq-blue);
	box-shadow: none;
}

.qq-btn--outline:hover {
	background-color: #f2f6ff;
	color: var(--qq-indigo);
}

.qq-btn--sm {
	min-height: 42px;
	padding: 0 20px;
	font-size: 14.5px;
}

/* ---------- 头部 ---------- */

.qq-header {
	position: sticky;
	top: 0;
	z-index: 99;
	width: 100%;
	background: rgba(255, 255, 255, .92);
	backdrop-filter: saturate(180%) blur(14px);
	-webkit-backdrop-filter: saturate(180%) blur(14px);
	border-bottom: 1px solid rgba(15, 23, 42, .07);
	transition: box-shadow .25s ease, background .25s ease;
}

.qq-header.is-stuck {
	box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
	background: rgba(255, 255, 255, .98);
}

.qq-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	min-height: 72px;
	max-width: var(--qq-container);
	margin: 0 auto;
	padding: 0 22px;
}

.qq-logo {
	display: inline-flex;
	align-items: center;
	gap: 11px;
	color: var(--qq-ink);
	font-weight: 700;
}

.qq-logo__mark {
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border-radius: 13px;
	background-image: var(--qq-gradient);
	color: #fff;
	font-size: 21px;
	font-weight: 800;
	box-shadow: 0 10px 22px rgba(76, 68, 214, .32);
}

.qq-logo__text {
	display: flex;
	flex-direction: column;
	line-height: 1.1;
}

.qq-logo__name {
	font-size: 19px;
	letter-spacing: -.02em;
}

.qq-logo__sub {
	font-size: 11.5px;
	font-weight: 500;
	color: var(--qq-muted);
	letter-spacing: .16em;
}

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

.qq-nav a {
	display: inline-block;
	padding: 9px 14px;
	border-radius: 10px;
	color: #3c4a63;
	font-size: 15px;
	font-weight: 500;
	transition: color .2s ease, background-color .2s ease;
}

.qq-nav a:hover {
	color: var(--qq-blue);
	background-color: #f0f5ff;
}

.qq-header__actions {
	display: flex;
	align-items: center;
	gap: 12px;
}

.qq-burger {
	display: none;
	width: 44px;
	height: 44px;
	border: 1px solid var(--qq-line);
	border-radius: 12px;
	background: #fff;
	cursor: pointer;
	align-items: center;
	justify-content: center;
	padding: 0;
}

.qq-burger span {
	position: relative;
	display: block;
	width: 18px;
	height: 2px;
	border-radius: 2px;
	background: var(--qq-ink);
}

.qq-burger span::before,
.qq-burger span::after {
	content: "";
	position: absolute;
	left: 0;
	width: 18px;
	height: 2px;
	border-radius: 2px;
	background: var(--qq-ink);
}

.qq-burger span::before {
	top: -6px;
}

.qq-burger span::after {
	top: 6px;
}

/* ---------- Hero ---------- */

.qq-hero {
	position: relative;
	overflow: hidden;
	padding: 88px 0 96px;
	background:
		radial-gradient(900px 520px at 82% 8%, rgba(124, 58, 237, .38), transparent 62%),
		radial-gradient(760px 520px at 8% 92%, rgba(37, 99, 235, .34), transparent 60%),
		linear-gradient(160deg, #070c1b 0%, #0d1730 52%, #0a1226 100%);
	color: #d8e0f2;
}

.qq-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
	background-size: 58px 58px;
	mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 76%);
	-webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 76%);
	pointer-events: none;
}

.qq-hero__inner {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
	gap: 56px;
	align-items: center;
}

.qq-pill {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 8px 16px 8px 12px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, .18);
	background: rgba(255, 255, 255, .07);
	color: #c7d4ee;
	font-size: 13.5px;
	letter-spacing: .02em;
}

.qq-pill b {
	color: #fff;
	font-weight: 600;
}

.qq-pill__dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #34d399;
	box-shadow: 0 0 0 4px rgba(52, 211, 153, .18);
}

.qq-hero h1 {
	margin: 22px 0 0;
	color: #fff;
	font-size: clamp(32px, 4.5vw, 52px);
	line-height: 1.16;
	letter-spacing: -.02em;
}

.qq-hero h1 em {
	font-style: normal;
	background: linear-gradient(100deg, #7dd3fc 0%, #a78bfa 48%, #f0abfc 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.qq-hero__lead {
	margin-top: 20px;
	max-width: 560px;
	color: #a9b7d4;
	font-size: 17px;
	line-height: 1.85;
}

.qq-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 32px;
}

.qq-hero__points {
	display: flex;
	flex-wrap: wrap;
	gap: 12px 26px;
	margin-top: 30px;
}

.qq-hero__points li {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: #b9c6e2;
	font-size: 14.5px;
}

.qq-hero__points svg {
	width: 18px;
	height: 18px;
	flex: none;
	fill: none;
	stroke: #34d399;
	stroke-width: 2.4;
	stroke-linecap: round;
	stroke-linejoin: round;
}

/* Hero 演示卡片 */

.qq-demo {
	position: relative;
}

.qq-demo__glow {
	position: absolute;
	inset: 8% -6% -12% -6%;
	border-radius: 40px;
	background: linear-gradient(120deg, rgba(37, 99, 235, .55), rgba(124, 58, 237, .5));
	filter: blur(46px);
	opacity: .62;
}

.qq-demo__card {
	position: relative;
	border-radius: 26px;
	border: 1px solid rgba(255, 255, 255, .16);
	background: linear-gradient(170deg, rgba(19, 27, 51, .96), rgba(10, 16, 33, .98));
	box-shadow: 0 40px 90px rgba(0, 0, 0, .45);
	padding: 22px;
	overflow: hidden;
}

.qq-demo__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding-bottom: 16px;
	border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.qq-demo__brand {
	display: flex;
	align-items: center;
	gap: 10px;
	color: #fff;
	font-weight: 600;
	font-size: 15px;
}

.qq-demo__brand i {
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	border-radius: 9px;
	background-image: var(--qq-gradient);
	font-style: normal;
	font-size: 15px;
	font-weight: 800;
}

.qq-demo__badge {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	padding: 5px 12px;
	border-radius: 999px;
	background: rgba(16, 185, 129, .16);
	border: 1px solid rgba(16, 185, 129, .35);
	color: #6ee7b7;
	font-size: 12.5px;
	font-weight: 600;
}

.qq-demo__speed {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 16px;
	margin-top: 20px;
}

.qq-demo__speed strong {
	color: #fff;
	font-size: 40px;
	font-weight: 800;
	line-height: 1;
	letter-spacing: -.03em;
}

.qq-demo__speed strong span {
	font-size: 15px;
	font-weight: 600;
	color: #8ea2c7;
	margin-left: 6px;
	letter-spacing: 0;
}

.qq-demo__speed small {
	display: block;
	margin-top: 8px;
	color: #8ea2c7;
	font-size: 13px;
}

.qq-demo__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-top: 18px;
}

.qq-demo__stat {
	padding: 13px 14px;
	border-radius: 14px;
	background: rgba(255, 255, 255, .05);
	border: 1px solid rgba(255, 255, 255, .07);
}

.qq-demo__stat b {
	display: block;
	color: #fff;
	font-size: 17px;
	font-weight: 700;
}

.qq-demo__stat span {
	display: block;
	margin-top: 3px;
	color: #8ea2c7;
	font-size: 12.5px;
}

.qq-demo__bars {
	display: flex;
	align-items: flex-end;
	gap: 6px;
	height: 74px;
	margin-top: 20px;
	padding: 0 2px;
}

.qq-demo__bars i {
	display: block;
	flex: 1;
	border-radius: 6px 6px 3px 3px;
	background: linear-gradient(180deg, #60a5fa, #7c3aed);
	opacity: .85;
	animation: qq-bar 2.6s ease-in-out infinite;
}

.qq-demo__bars i:nth-child(1) { height: 34%; animation-delay: 0s; }
.qq-demo__bars i:nth-child(2) { height: 52%; animation-delay: .12s; }
.qq-demo__bars i:nth-child(3) { height: 42%; animation-delay: .24s; }
.qq-demo__bars i:nth-child(4) { height: 68%; animation-delay: .36s; }
.qq-demo__bars i:nth-child(5) { height: 58%; animation-delay: .48s; }
.qq-demo__bars i:nth-child(6) { height: 82%; animation-delay: .6s; }
.qq-demo__bars i:nth-child(7) { height: 70%; animation-delay: .72s; }
.qq-demo__bars i:nth-child(8) { height: 94%; animation-delay: .84s; }
.qq-demo__bars i:nth-child(9) { height: 78%; animation-delay: .96s; }
.qq-demo__bars i:nth-child(10) { height: 100%; animation-delay: 1.08s; }

@keyframes qq-bar {
	0%, 100% { transform: scaleY(.82); }
	50% { transform: scaleY(1); }
}

.qq-demo__list {
	margin-top: 18px;
	display: grid;
	gap: 8px;
}

.qq-demo__row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 11px 13px;
	border-radius: 13px;
	background: rgba(255, 255, 255, .045);
	border: 1px solid rgba(255, 255, 255, .06);
	color: #dbe4f6;
	font-size: 13.5px;
}

.qq-demo__row span:first-child {
	display: inline-flex;
	align-items: center;
	gap: 9px;
}

.qq-demo__row em {
	font-style: normal;
	color: #6ee7b7;
	font-weight: 600;
}

.qq-demo__flag {
	width: 22px;
	height: 16px;
	border-radius: 4px;
	background: linear-gradient(135deg, #60a5fa, #a78bfa);
	opacity: .9;
}

/* ---------- 信任条 ---------- */

.qq-trust {
	position: relative;
	margin-top: -46px;
	z-index: 3;
}

.qq-trust__box {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 18px;
	padding: 26px 28px;
	border-radius: 22px;
	background: #fff;
	border: 1px solid var(--qq-line);
	box-shadow: var(--qq-shadow);
}

.qq-trust__item {
	display: flex;
	align-items: center;
	gap: 13px;
}

.qq-trust__icon {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	flex: none;
	border-radius: 13px;
	background: var(--qq-gradient-soft);
	color: var(--qq-blue);
}

.qq-trust__icon svg {
	width: 21px;
	height: 21px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.qq-trust__item b {
	display: block;
	color: var(--qq-ink);
	font-size: 16px;
	font-weight: 700;
}

.qq-trust__item span {
	display: block;
	font-size: 13px;
	color: var(--qq-muted);
}

/* ---------- 区块通用 ---------- */

.qq-section {
	padding: 92px 0;
}

.qq-section--soft {
	background: var(--qq-soft);
}

.qq-section--dark {
	background: linear-gradient(165deg, #080e1e 0%, #0f1a35 100%);
	color: #b8c6e2;
}

.qq-section__head {
	max-width: 720px;
	margin: 0 auto 54px;
	text-align: center;
}

.qq-section--left .qq-section__head {
	margin-left: 0;
	text-align: left;
}

.qq-eyebrow {
	display: inline-block;
	margin-bottom: 14px;
	padding: 6px 14px;
	border-radius: 999px;
	background: #eef3ff;
	color: var(--qq-blue);
	font-size: 13px;
	font-weight: 600;
	letter-spacing: .06em;
}

.qq-section--dark .qq-eyebrow {
	background: rgba(255, 255, 255, .08);
	color: #a5b4fc;
}

.qq-section__title {
	font-size: clamp(25px, 3.1vw, 36px);
}

.qq-section--dark .qq-section__title {
	color: #fff;
}

.qq-section__subtitle {
	margin-top: 16px;
	color: var(--qq-muted);
	font-size: 16.5px;
	line-height: 1.85;
}

.qq-section--dark .qq-section__subtitle {
	color: #9db0d4;
}

/* ---------- 功能特色 ---------- */

.qq-grid {
	display: grid;
	gap: 22px;
}

.qq-grid--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qq-grid--4 {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.qq-card {
	position: relative;
	padding: 30px 26px;
	border-radius: var(--qq-radius);
	background: #fff;
	border: 1px solid var(--qq-line);
	box-shadow: var(--qq-shadow-sm);
	transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.qq-card:hover {
	transform: translateY(-5px);
	border-color: #d6e1f8;
	box-shadow: var(--qq-shadow);
}

.qq-card__icon {
	display: grid;
	place-items: center;
	width: 52px;
	height: 52px;
	border-radius: 15px;
	background: var(--qq-gradient-soft);
	color: var(--qq-blue);
}

.qq-card__icon svg {
	width: 25px;
	height: 25px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.9;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.qq-card h3 {
	margin-top: 20px;
	font-size: 18.5px;
}

.qq-card p {
	margin-top: 12px;
	color: var(--qq-body);
	font-size: 15px;
	line-height: 1.8;
}

/* ---------- 平台 ---------- */

.qq-platforms {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 18px;
	margin-top: 8px;
}

.qq-platform {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 14px;
	padding: 28px 20px;
	border-radius: var(--qq-radius);
	background: #fff;
	border: 1px solid var(--qq-line);
	text-align: center;
	box-shadow: var(--qq-shadow-sm);
	transition: transform .25s ease, box-shadow .25s ease;
}

.qq-platform:hover {
	transform: translateY(-5px);
	box-shadow: var(--qq-shadow);
}

.qq-platform__icon {
	display: grid;
	place-items: center;
	width: 54px;
	height: 54px;
	border-radius: 16px;
	background: var(--qq-gradient-soft);
	color: var(--qq-indigo);
}

.qq-platform__icon svg {
	width: 27px;
	height: 27px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.8;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.qq-platform b {
	display: block;
	color: var(--qq-ink);
	font-size: 16.5px;
	font-weight: 700;
}

.qq-platform span {
	display: block;
	margin-top: 4px;
	color: var(--qq-muted);
	font-size: 13.5px;
}

.qq-platform .qq-btn {
	width: 100%;
	margin-top: 4px;
}

/* ---------- 教程步骤 ---------- */

.qq-steps {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px;
	counter-reset: qq-step;
}

.qq-step {
	position: relative;
	padding: 34px 28px 30px;
	border-radius: var(--qq-radius);
	background: #fff;
	border: 1px solid var(--qq-line);
	box-shadow: var(--qq-shadow-sm);
}

.qq-step__num {
	display: grid;
	place-items: center;
	width: 46px;
	height: 46px;
	border-radius: 14px;
	background-image: var(--qq-gradient);
	color: #fff;
	font-size: 18px;
	font-weight: 800;
	box-shadow: 0 12px 24px rgba(76, 68, 214, .3);
}

.qq-step h3 {
	margin-top: 20px;
	font-size: 18.5px;
}

.qq-step p {
	margin-top: 12px;
	font-size: 15px;
	line-height: 1.8;
	color: var(--qq-body);
}

/* ---------- 节点 / 数据 ---------- */

.qq-nodes__head {
	max-width: 780px;
	margin-bottom: 38px;
}

.qq-nodes__stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
	margin-bottom: 34px;
}

.qq-stat {
	padding: 20px 22px;
	border-radius: 16px;
	background: rgba(255, 255, 255, .055);
	border: 1px solid rgba(255, 255, 255, .09);
}

.qq-stat b {
	display: block;
	color: #fff;
	font-size: 27px;
	font-weight: 800;
	letter-spacing: -.02em;
}

.qq-stat span {
	display: block;
	margin-top: 6px;
	color: #93a6c9;
	font-size: 13.5px;
}

.qq-map {
	position: relative;
	border-radius: var(--qq-radius-lg);
	overflow: hidden;
	border: 1px solid rgba(255, 255, 255, .1);
	background: rgba(255, 255, 255, .03);
	box-shadow: 0 30px 70px rgba(0, 0, 0, .4);
}

.qq-map img {
	width: 100%;
	display: block;
}

.qq-map__legend {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 20px;
	padding: 16px 20px;
	border-top: 1px solid rgba(255, 255, 255, .08);
	font-size: 13px;
	color: #9db0d4;
}

.qq-map__legend i {
	display: inline-block;
	width: 8px;
	height: 8px;
	margin-right: 7px;
	border-radius: 50%;
	background: #34d399;
}

.qq-map__legend i.is-blue { background: #60a5fa; }
.qq-map__legend i.is-violet { background: #a78bfa; }

/* ---------- 场景 ---------- */

.qq-scenes {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 20px;
}

.qq-scene {
	position: relative;
	display: block;
	border-radius: var(--qq-radius);
	overflow: hidden;
	background: #0b1220;
	box-shadow: var(--qq-shadow-sm);
	transition: transform .3s ease, box-shadow .3s ease;
}

.qq-scene:hover {
	transform: translateY(-6px);
	box-shadow: var(--qq-shadow-lg);
}

.qq-scene img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	opacity: .82;
	transition: transform .5s ease, opacity .3s ease;
}

.qq-scene:hover img {
	transform: scale(1.05);
	opacity: .92;
}

.qq-scene__body {
	position: absolute;
	inset: auto 0 0 0;
	padding: 26px 24px 24px;
	background: linear-gradient(180deg, rgba(7, 12, 27, 0) 0%, rgba(7, 12, 27, .78) 42%, rgba(7, 12, 27, .96) 100%);
	color: #e6ecf9;
}

.qq-scene__body b {
	display: block;
	color: #fff;
	font-size: 18px;
	font-weight: 700;
}

.qq-scene__body p {
	margin-top: 8px;
	color: #b3c1dc;
	font-size: 14px;
	line-height: 1.7;
}

.qq-scene__tag {
	position: absolute;
	top: 16px;
	left: 16px;
	padding: 6px 13px;
	border-radius: 999px;
	background: rgba(255, 255, 255, .16);
	backdrop-filter: blur(8px);
	color: #fff;
	font-size: 12.5px;
	font-weight: 600;
}

/* ---------- 评价 ---------- */

.qq-quotes {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.qq-quote {
	padding: 30px 28px;
	border-radius: var(--qq-radius);
	background: #fff;
	border: 1px solid var(--qq-line);
	box-shadow: var(--qq-shadow-sm);
}

.qq-quote__stars {
	color: #f59e0b;
	font-size: 15px;
	letter-spacing: 3px;
}

.qq-quote p {
	margin-top: 14px;
	color: #34405a;
	font-size: 15.5px;
	line-height: 1.85;
}

.qq-quote__user {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 22px;
	padding-top: 20px;
	border-top: 1px solid var(--qq-line);
}

.qq-quote__avatar {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	background-image: var(--qq-gradient);
	color: #fff;
	font-size: 16px;
	font-weight: 700;
}

.qq-quote__user b {
	display: block;
	color: var(--qq-ink);
	font-size: 15px;
}

.qq-quote__user span {
	display: block;
	color: var(--qq-muted);
	font-size: 13px;
}

/* ---------- FAQ ---------- */

.qq-faq {
	max-width: 900px;
	margin: 0 auto;
	display: grid;
	gap: 14px;
}

.qq-faq details {
	border-radius: 16px;
	border: 1px solid var(--qq-line);
	background: #fff;
	box-shadow: var(--qq-shadow-sm);
	overflow: hidden;
	transition: border-color .2s ease, box-shadow .2s ease;
}

.qq-faq details[open] {
	border-color: #cddcf9;
	box-shadow: 0 14px 34px rgba(37, 99, 235, .1);
}

.qq-faq summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 20px 24px;
	cursor: pointer;
	list-style: none;
	color: var(--qq-ink);
	font-size: 16.5px;
	font-weight: 600;
}

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

.qq-faq summary::after {
	content: "+";
	flex: none;
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: #eef3ff;
	color: var(--qq-blue);
	font-size: 19px;
	font-weight: 600;
	line-height: 1;
	transition: transform .25s ease, background-color .25s ease;
}

.qq-faq details[open] summary::after {
	content: "\2212";
	background-image: var(--qq-gradient);
	color: #fff;
}

.qq-faq__answer {
	padding: 0 24px 22px;
	color: var(--qq-body);
	font-size: 15px;
	line-height: 1.9;
}

/* ---------- 下载 CTA ---------- */

.qq-cta {
	position: relative;
	overflow: hidden;
	padding: 76px 0;
	background-image: var(--qq-gradient);
	color: #eef2ff;
}

.qq-cta::after {
	content: "";
	position: absolute;
	inset: -40% -10% auto auto;
	width: 640px;
	height: 640px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(255, 255, 255, .28), transparent 62%);
	pointer-events: none;
}

.qq-cta__inner {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
	gap: 40px;
	align-items: center;
}

.qq-cta h2 {
	color: #fff;
	font-size: clamp(25px, 3vw, 34px);
}

.qq-cta p {
	margin-top: 16px;
	max-width: 620px;
	color: rgba(255, 255, 255, .88);
	font-size: 16px;
	line-height: 1.85;
}

.qq-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 30px;
}

.qq-cta__note {
	margin-top: 18px;
	color: rgba(255, 255, 255, .74);
	font-size: 13.5px;
}

.qq-cta__panel {
	padding: 26px;
	border-radius: 22px;
	background: rgba(255, 255, 255, .13);
	border: 1px solid rgba(255, 255, 255, .26);
}

.qq-cta__panel b {
	display: block;
	color: #fff;
	font-size: 15px;
	margin-bottom: 14px;
}

.qq-cta__panel div {
	display: flex;
	align-items: center;
	gap: 11px;
	padding: 11px 0;
	border-top: 1px solid rgba(255, 255, 255, .16);
	color: rgba(255, 255, 255, .92);
	font-size: 14.5px;
}

.qq-cta__panel div:first-of-type {
	border-top: 0;
}

.qq-cta__panel svg {
	width: 19px;
	height: 19px;
	flex: none;
	fill: none;
	stroke: #fff;
	stroke-width: 2.2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

/* ---------- 友情链接 ---------- */

.qq-linksbar {
	padding: 24px 0 28px;
	background: #fff;
	border-top: 1px solid var(--qq-line);
}

.qq-linksbar .qq-container {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 2px 0;
	font-size: 14px;
	line-height: 2;
}

.qq-linksbar__label {
	margin-right: 14px;
	color: #54607a;
	font-weight: 600;
	white-space: nowrap;
}

.qq-linksbar__item {
	padding: 0 9px;
	color: #6b7890;
	transition: color .2s ease;
}

.qq-linksbar__item:hover {
	color: var(--qq-blue);
}

.qq-linksbar__empty {
	color: #99a4ba;
	padding-left: 2px;
}

/* ---------- 页脚 ---------- */

.qq-footer {
	background: linear-gradient(180deg, #080e1e 0%, #05080f 100%);
	color: #93a2bf;
	padding: 66px 0 26px;
}

.qq-footer__top {
	display: grid;
	grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
	gap: 40px;
	padding-bottom: 44px;
	border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.qq-footer__brand {
	display: flex;
	align-items: center;
	gap: 12px;
	color: #fff;
}

.qq-footer__brand .qq-logo__mark {
	box-shadow: none;
}

.qq-footer__desc {
	margin-top: 18px;
	max-width: 380px;
	color: #8c9cbb;
	font-size: 14px;
	line-height: 1.9;
}

.qq-footer h3 {
	color: #fff;
	font-size: 15.5px;
	font-weight: 600;
	letter-spacing: .01em;
}

.qq-footer__list {
	margin-top: 18px;
	display: grid;
	gap: 11px;
}

.qq-footer__list a {
	color: #93a2bf;
	font-size: 14.5px;
	transition: color .2s ease;
}

.qq-footer__list a:hover {
	color: #fff;
}

.qq-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding-top: 24px;
	color: #7c8aa8;
	font-size: 13.5px;
}

.qq-footer__bottom a {
	color: #7c8aa8;
}

.qq-footer__bottom a:hover {
	color: #fff;
}

.qq-footer__disclaimer {
	margin-top: 18px;
	max-width: 980px;
	color: #6d7c9b;
	font-size: 12.5px;
	line-height: 1.9;
}

/* ---------- 入场动画 ---------- */

@keyframes qq-rise {
	from {
		opacity: 0;
		transform: translateY(24px);
	}

	to {
		opacity: 1;
		transform: none;
	}
}

/* 入场动画：基础状态始终可见，动画仅在载入时播放一次，不依赖 JavaScript */
.qq-reveal {
	animation: qq-rise .75s cubic-bezier(.22, .7, .3, 1) both;
}

.qq-reveal:nth-child(2) { animation-delay: .06s; }
.qq-reveal:nth-child(3) { animation-delay: .12s; }
.qq-reveal:nth-child(4) { animation-delay: .18s; }
.qq-reveal:nth-child(5) { animation-delay: .24s; }
.qq-reveal:nth-child(6) { animation-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
	.qq-reveal {
		animation: none;
	}
	.qq-demo__bars i {
		animation: none;
	}
	html {
		scroll-behavior: auto;
	}
}

/* ---------- 锚点偏移 ---------- */

#features,
#platforms,
#guide,
#nodes,
#scenes,
#faq,
#download,
#links {
	scroll-margin-top: 90px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
	.qq-hero__inner {
		grid-template-columns: 1fr;
		gap: 46px;
	}

	.qq-demo {
		max-width: 560px;
	}

	.qq-grid--4,
	.qq-platforms {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.qq-grid--3,
	.qq-steps,
	.qq-scenes,
	.qq-quotes {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.qq-nodes {
		gap: 32px;
	}

	.qq-nodes__stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.qq-cta__inner {
		grid-template-columns: 1fr;
	}

	.qq-footer__top {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 32px;
	}
}

@media (max-width: 860px) {
	.qq-nav {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		display: none;
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
		padding: 12px 22px 20px;
		background: #fff;
		border-bottom: 1px solid var(--qq-line);
		box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
	}

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

	.qq-nav a {
		padding: 13px 12px;
		border-radius: 12px;
		font-size: 15.5px;
	}

	.qq-burger {
		display: inline-flex;
	}

	.qq-header__actions .qq-btn--header-cta {
		display: none;
	}

	.qq-section {
		padding: 70px 0;
	}

	.qq-hero {
		padding: 62px 0 82px;
	}

	.qq-trust {
		margin-top: -34px;
	}

	.qq-trust__box {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		padding: 22px;
		gap: 16px;
	}
}

@media (max-width: 640px) {
	.qq-grid--3,
	.qq-grid--4,
	.qq-platforms,
	.qq-steps,
	.qq-scenes,
	.qq-quotes,
	.qq-footer__top {
		grid-template-columns: 1fr;
	}

	.qq-nodes__stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.qq-trust__box {
		grid-template-columns: 1fr;
	}

	.qq-hero h1 {
		font-size: 30px;
	}

	.qq-hero__lead {
		font-size: 15.5px;
	}

	.qq-btn {
		width: 100%;
	}

	.qq-hero__actions .qq-btn,
	.qq-cta__actions .qq-btn {
		width: 100%;
	}

	.qq-section {
		padding: 58px 0;
	}

	.qq-section__head {
		margin-bottom: 38px;
	}

	.qq-footer {
		padding: 52px 0 22px;
	}
}