:root {
	--qtp-brand: #423b8c;
	--qtp-brand-dark: #17133f;
	--qtp-text: #202124;
	--qtp-muted: #737988;
	--qtp-soft: #f4f2fb;
	--qtp-border: rgba(66, 59, 140, 0.16);
	--qtp-shadow: 0 22px 60px rgba(24, 22, 63, 0.10);
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	color: var(--qtp-text);
	font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
	background: #fff;
	overflow-x: hidden;
}

a {
	text-decoration: none;
}

.qtp-container {
	width: min(1580px, calc(100% - 96px));
	margin: 0 auto;
}

.qtp-header {
	position: sticky;
	top: 0;
	z-index: 20;
	background: rgba(255, 255, 255, 0.95);
	box-shadow: 0 6px 24px rgba(24, 22, 63, 0.06);
	backdrop-filter: blur(10px);
}

.qtp-header-inner {
	min-height: 104px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 30px;
}

.qtp-logo {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	color: var(--qtp-brand-dark);
}

.qtp-logo-mark {
	width: 58px;
	height: 58px;
	border-radius: 18px;
	background: var(--qtp-brand);
	display: inline-grid;
	place-items: center;
	box-shadow: 0 16px 35px rgba(66, 59, 140, 0.22);
}

.qtp-logo-screen {
	width: 32px;
	height: 24px;
	border: 4px solid #fff;
	border-radius: 7px;
	position: relative;
}

.qtp-logo-screen:after {
	content: "";
	position: absolute;
	left: 9px;
	right: 9px;
	bottom: -11px;
	height: 4px;
	border-radius: 4px;
	background: #ff9a1f;
}

.qtp-logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.1;
}

.qtp-logo-text strong {
	font-size: 30px;
	font-weight: 800;
	letter-spacing: 0.02em;
}

.qtp-logo-text em {
	margin-top: 7px;
	color: #888;
	font-size: 13px;
	font-style: normal;
	font-weight: 500;
	white-space: nowrap;
}

.qtp-nav {
	display: flex;
	align-items: center;
	gap: 44px;
}

.qtp-nav a {
	color: #050436;
	font-size: 18px;
	font-weight: 800;
	white-space: nowrap;
}

.qtp-nav a:hover {
	color: var(--qtp-brand);
}

.qtp-hero {
	padding: 138px 0 118px;
	background:
		radial-gradient(circle at 12% 18%, rgba(66, 59, 140, 0.18), transparent 30%),
		radial-gradient(circle at 90% 28%, rgba(115, 105, 221, 0.16), transparent 32%),
		linear-gradient(110deg, #f7f5ff 0%, #ffffff 52%, #eef7ff 100%);
}

.qtp-hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.02fr) minmax(460px, 0.86fr);
	align-items: center;
	gap: 78px;
}

.qtp-eyebrow {
	margin: 0 0 18px;
	color: var(--qtp-brand);
	font-size: 20px;
	font-weight: 800;
	letter-spacing: 0.04em;
}

.qtp-hero-copy h1 {
	margin: 0;
	color: var(--qtp-brand-dark);
	font-size: clamp(42px, 4.7vw, 78px);
	line-height: 1.08;
	font-weight: 900;
	letter-spacing: -0.03em;
}

.qtp-hero-desc {
	max-width: 720px;
	margin: 28px 0 0;
	color: var(--qtp-muted);
	font-size: 22px;
	line-height: 1.85;
	font-weight: 600;
}

.qtp-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 18px;
	margin-top: 38px;
}

.qtp-btn {
	min-width: 172px;
	height: 58px;
	border-radius: 999px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 28px;
	font-size: 18px;
	font-weight: 800;
	transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.qtp-btn:hover {
	transform: translateY(-2px);
}

.qtp-btn-primary {
	color: #fff;
	background: var(--qtp-brand);
	box-shadow: 0 18px 36px rgba(66, 59, 140, 0.24);
}

.qtp-btn-primary:hover {
	color: #fff;
}

.qtp-btn-ghost {
	color: var(--qtp-brand);
	border: 2px solid rgba(66, 59, 140, 0.28);
	background: #fff;
}

.qtp-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 28px;
}

.qtp-tags span {
	padding: 10px 16px;
	border-radius: 999px;
	color: var(--qtp-brand);
	background: rgba(66, 59, 140, 0.08);
	font-size: 15px;
	font-weight: 800;
}

.qtp-hero-visual {
	position: relative;
	min-height: 470px;
}

.qtp-monitor {
	position: relative;
	padding: 18px;
	border-radius: 34px;
	background: #ffffff;
	box-shadow: var(--qtp-shadow);
	border: 1px solid var(--qtp-border);
}

.qtp-monitor-top {
	height: 24px;
	display: flex;
	align-items: center;
	gap: 8px;
	padding-left: 8px;
}

.qtp-monitor-top span {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: rgba(66, 59, 140, 0.25);
}

.qtp-monitor-screen {
	position: relative;
	height: 360px;
	border-radius: 24px;
	background:
		linear-gradient(145deg, rgba(66, 59, 140, 0.90), rgba(23, 19, 63, 0.96)),
		linear-gradient(#fff, #fff);
	overflow: hidden;
	display: grid;
	place-items: center;
}

.qtp-monitor-screen:before {
	content: "";
	position: absolute;
	width: 520px;
	height: 520px;
	border-radius: 50%;
	background: rgba(255,255,255,0.09);
	right: -210px;
	top: -180px;
}

.qtp-demo-phone {
	position: relative;
	width: 164px;
	height: 288px;
	border-radius: 30px;
	background: #fff;
	box-shadow: 0 24px 50px rgba(0,0,0,0.22);
	padding: 24px 18px;
	z-index: 2;
}

.qtp-phone-bar {
	width: 52px;
	height: 8px;
	border-radius: 8px;
	background: rgba(66, 59, 140, 0.18);
	margin: 0 auto 24px;
}

.qtp-phone-card {
	height: 92px;
	border-radius: 18px;
	background: linear-gradient(135deg, rgba(66, 59, 140, 0.95), rgba(102, 91, 204, 0.84));
}

.qtp-phone-line {
	height: 12px;
	border-radius: 12px;
	background: rgba(66, 59, 140, 0.14);
	margin-top: 18px;
}

.qtp-phone-line-one {
	width: 100%;
}

.qtp-phone-line-two {
	width: 72%;
}

.qtp-phone-button {
	position: absolute;
	left: 50%;
	bottom: 18px;
	width: 42px;
	height: 42px;
	border-radius: 50%;
	border: 3px solid rgba(66, 59, 140, 0.14);
	transform: translateX(-50%);
}

.qtp-cursor {
	position: absolute;
	right: 120px;
	bottom: 100px;
	width: 0;
	height: 0;
	border-left: 18px solid #fff;
	border-top: 12px solid transparent;
	border-bottom: 12px solid transparent;
	transform: rotate(22deg);
	filter: drop-shadow(0 10px 14px rgba(0,0,0,0.28));
	z-index: 3;
}

.qtp-live-badge {
	position: absolute;
	left: 30px;
	bottom: 30px;
	z-index: 3;
	padding: 10px 16px;
	border-radius: 999px;
	color: #fff;
	background: rgba(255,255,255,0.16);
	font-size: 14px;
	font-weight: 800;
}

.qtp-monitor-base {
	width: 160px;
	height: 18px;
	margin: 18px auto 0;
	border-radius: 0 0 18px 18px;
	background: rgba(66, 59, 140, 0.22);
}

.qtp-floating-card {
	position: absolute;
	z-index: 4;
	padding: 16px 20px;
	border-radius: 18px;
	background: #fff;
	color: var(--qtp-brand-dark);
	font-size: 17px;
	font-weight: 900;
	box-shadow: var(--qtp-shadow);
}

.qtp-floating-card-one {
	top: 34px;
	right: -22px;
}

.qtp-floating-card-two {
	left: -22px;
	bottom: 80px;
}

.qtp-section {
	padding: 108px 0;
}

.qtp-problem-section,
.qtp-version-section,
.qtp-help-section {
	background: #f6f5fb;
}

.qtp-section-title {
	max-width: 1020px;
	margin: 0 auto 56px;
	text-align: center;
}

.qtp-section-title p {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 22px;
	margin: 0 0 14px;
	color: var(--qtp-brand);
	font-size: 20px;
	font-weight: 900;
}

.qtp-section-title p:before,
.qtp-section-title p:after {
	content: "";
	width: 46px;
	height: 3px;
	background: var(--qtp-brand);
	border-radius: 999px;
}

.qtp-section-title h2 {
	margin: 0;
	color: var(--qtp-brand-dark);
	font-size: clamp(34px, 4vw, 58px);
	line-height: 1.18;
	font-weight: 900;
	letter-spacing: -0.03em;
}

.qtp-section-title span {
	display: block;
	max-width: 860px;
	margin: 18px auto 0;
	color: var(--qtp-muted);
	font-size: 20px;
	line-height: 1.75;
	font-weight: 600;
}

.qtp-card-grid {
	display: grid;
	gap: 28px;
}

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

.qtp-card {
	min-height: 286px;
	padding: 38px 34px;
	border-radius: 26px;
	background: #fff;
	border: 1px solid var(--qtp-border);
	box-shadow: 0 14px 46px rgba(24, 22, 63, 0.06);
}

.qtp-card-icon {
	width: 64px;
	height: 64px;
	border-radius: 18px;
	display: grid;
	place-items: center;
	color: var(--qtp-brand);
	background: rgba(66, 59, 140, 0.10);
	font-size: 18px;
	font-weight: 900;
}

.qtp-card h3 {
	margin: 26px 0 14px;
	color: var(--qtp-brand-dark);
	font-size: 26px;
	line-height: 1.35;
	font-weight: 900;
}

.qtp-card p {
	margin: 0;
	color: var(--qtp-muted);
	font-size: 18px;
	line-height: 1.8;
	font-weight: 600;
}

.qtp-feature-layout {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 34px;
	align-items: stretch;
}

.qtp-feature-panel,
.qtp-mini-feature,
.qtp-version-card,
.qtp-download-box,
.qtp-step {
	border-radius: 28px;
	background: #fff;
	border: 1px solid var(--qtp-border);
	box-shadow: var(--qtp-shadow);
}

.qtp-feature-panel {
	padding: 50px;
	background:
		radial-gradient(circle at 88% 10%, rgba(66, 59, 140, 0.12), transparent 28%),
		#fff;
}

.qtp-feature-panel h3 {
	margin: 0 0 20px;
	color: var(--qtp-brand-dark);
	font-size: 38px;
	font-weight: 900;
}

.qtp-feature-panel p,
.qtp-feature-panel li {
	color: var(--qtp-muted);
	font-size: 19px;
	line-height: 1.85;
	font-weight: 600;
}

.qtp-feature-panel ul {
	margin: 22px 0 0;
	padding-left: 22px;
}

.qtp-feature-list {
	display: grid;
	gap: 22px;
}

.qtp-mini-feature {
	padding: 34px 38px;
}

.qtp-mini-feature strong {
	display: block;
	color: var(--qtp-brand-dark);
	font-size: 28px;
	font-weight: 900;
	margin-bottom: 12px;
}

.qtp-mini-feature span {
	color: var(--qtp-muted);
	font-size: 18px;
	line-height: 1.75;
	font-weight: 600;
}

.qtp-version-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 34px;
}

.qtp-version-card {
	padding: 46px;
}

.qtp-version-card-pro {
	border-color: rgba(66, 59, 140, 0.28);
	background:
		linear-gradient(180deg, rgba(66, 59, 140, 0.08), rgba(255,255,255,0) 34%),
		#fff;
}

.qtp-version-head h3 {
	margin: 0 0 12px;
	color: var(--qtp-brand-dark);
	font-size: 38px;
	font-weight: 900;
}

.qtp-version-head p {
	margin: 0 0 28px;
	color: var(--qtp-muted);
	font-size: 18px;
	line-height: 1.7;
	font-weight: 600;
}

.qtp-version-card ul {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.qtp-version-card li {
	position: relative;
	padding-left: 26px;
	color: #33334f;
	font-size: 18px;
	font-weight: 700;
}

.qtp-version-card li:before {
	content: "";
	position: absolute;
	left: 0;
	top: 8px;
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: var(--qtp-brand);
}

.qtp-scene-card {
	min-height: 236px;
}

.qtp-download-section {
	padding-top: 0;
}

.qtp-download-box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	padding: 54px 60px;
	background:
		radial-gradient(circle at 94% 20%, rgba(255, 255, 255, 0.16), transparent 30%),
		linear-gradient(135deg, #423b8c, #27215f);
	color: #fff;
}

.qtp-download-box .qtp-eyebrow,
.qtp-download-box h2,
.qtp-download-box p {
	color: #fff;
}

.qtp-download-box h2 {
	margin: 0 0 16px;
	font-size: clamp(32px, 3.5vw, 52px);
	font-weight: 900;
}

.qtp-download-box p:not(.qtp-eyebrow) {
	max-width: 760px;
	margin: 0;
	font-size: 19px;
	line-height: 1.75;
	opacity: 0.86;
}

.qtp-download-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	justify-content: flex-end;
}

.qtp-download-box .qtp-btn-primary {
	color: var(--qtp-brand);
	background: #fff;
}

.qtp-download-box .qtp-btn-ghost {
	color: #fff;
	background: transparent;
	border-color: rgba(255,255,255,0.38);
}

.qtp-step-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 28px;
}

.qtp-step {
	padding: 38px;
}

.qtp-step span {
	width: 58px;
	height: 58px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	color: #fff;
	background: var(--qtp-brand);
	font-size: 24px;
	font-weight: 900;
	box-shadow: 0 16px 34px rgba(66, 59, 140, 0.18);
}

.qtp-step h3 {
	margin: 28px 0 12px;
	color: var(--qtp-brand-dark);
	font-size: 28px;
	font-weight: 900;
}

.qtp-step p {
	margin: 0;
	color: var(--qtp-muted);
	font-size: 18px;
	line-height: 1.75;
	font-weight: 600;
}

.qtp-footer {
	padding: 46px 0;
	background: #17133f;
	color: #fff;
}

.qtp-footer-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 28px;
}

.qtp-footer-brand {
	display: flex;
	flex-direction: column;
}

.qtp-footer-brand strong {
	font-size: 28px;
	font-weight: 900;
}

.qtp-footer-brand span,
.qtp-icp {
	color: rgba(255,255,255,0.62);
	font-size: 14px;
}

.qtp-footer-links {
	display: flex;
	flex-wrap: wrap;
	gap: 26px;
}

.qtp-footer-links a {
	color: rgba(255,255,255,0.82);
	font-weight: 700;
}

.qtp-icp {
	margin: 0;
}

@media (max-width: 1280px) {
	.qtp-card-grid-four {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.qtp-hero-grid,
	.qtp-feature-layout {
		grid-template-columns: 1fr;
	}

	.qtp-hero-visual {
		max-width: 680px;
		margin: 0 auto;
		width: 100%;
	}
}

@media (max-width: 980px) {
	.qtp-container {
		width: min(100% - 36px, 760px);
	}

	.qtp-header-inner,
	.qtp-footer-inner,
	.qtp-download-box {
		flex-direction: column;
		align-items: flex-start;
	}

	.qtp-nav {
		width: 100%;
		gap: 18px;
		overflow-x: auto;
		padding-bottom: 4px;
	}

	.qtp-hero {
		padding: 92px 0 74px;
	}

	.qtp-section {
		padding: 74px 0;
	}

	.qtp-version-grid,
	.qtp-step-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 640px) {
	.qtp-logo-text strong {
		font-size: 24px;
	}

	.qtp-logo-text em {
		font-size: 12px;
	}

	.qtp-card-grid-four,
	.qtp-version-card ul {
		grid-template-columns: 1fr;
	}

	.qtp-card,
	.qtp-feature-panel,
	.qtp-version-card,
	.qtp-download-box,
	.qtp-step {
		padding: 30px 24px;
	}

	.qtp-monitor-screen {
		height: 300px;
	}

	.qtp-floating-card {
		display: none;
	}
}
