/* ==========================================================================
   北京创世代科技有限公司官网 · 全局样式
   设计语言：深海军蓝 + 电光蓝/青绿渐变 · 科技感 · 可信感
   兼容 PC / Tablet / Mobile（响应式断点：1080px / 860px / 560px）
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
	--primary-900: #050f1f;
	--primary-800: #081830;
	--primary-700: #0c2246;
	--primary-600: #12305b;
	--accent: #2e6bff;
	--accent-2: #18c8a6;
	--grad: linear-gradient(135deg, #2e6bff 0%, #18c8a6 100%);
	--grad-soft: linear-gradient(
		135deg,
		rgba(46, 107, 255, 0.1) 0%,
		rgba(24, 200, 166, 0.1) 100%
	);
	--ink: #16233b;
	--muted: #5a6b85;
	--line: #e3eaf4;
	--bg-soft: #f4f7fc;
	--white: #ffffff;
	--radius: 18px;
	--radius-sm: 12px;
	--shadow: 0 14px 44px rgba(13, 35, 77, 0.1);
	--shadow-lg: 0 24px 70px rgba(9, 26, 58, 0.18);
	--container: 1200px;
	--header-h: 72px;
	--font:
		'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue',
		Arial, sans-serif;
}

/* ---------- Reset ---------- */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}
body {
	font-family: var(--font);
	color: var(--ink);
	background: var(--white);
	line-height: 1.75;
	font-size: 16px;
	overflow-x: hidden;
}
img {
	max-width: 100%;
	display: block;
}
a {
	color: inherit;
	text-decoration: none;
}
ul,
ol {
	list-style: none;
}
button,
input,
select,
textarea {
	font-family: inherit;
	font-size: inherit;
	color: inherit;
}
button {
	cursor: pointer;
	background: none;
	border: none;
}

::selection {
	background: rgba(46, 107, 255, 0.22);
}

/* ---------- Layout ---------- */
.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 28px;
}
.section {
	padding: 96px 0;
}
.section--soft {
	background: var(--bg-soft);
}
.section--dark {
	background: var(--primary-800);
	color: #e7eefa;
}

.section-head {
	max-width: 760px;
	margin: 0 auto 56px;
	text-align: center;
}
.section-head--left {
	margin-left: 0;
	text-align: left;
}
.kicker {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.12em;
	color: var(--accent);
	text-transform: uppercase;
	margin-bottom: 14px;
}
.kicker::before {
	content: '';
	width: 22px;
	height: 2px;
	background: var(--grad);
	border-radius: 2px;
}
.section--dark .kicker {
	color: #7db3ff;
}
.section-title {
	font-size: clamp(26px, 3.4vw, 40px);
	line-height: 1.28;
	font-weight: 700;
	letter-spacing: 0.01em;
}
.section-title .grad-text {
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
}
.section-desc {
	margin-top: 16px;
	color: var(--muted);
	font-size: 17px;
}
.section--dark .section-desc {
	color: #9fb3d1;
}

/* ---------- Buttons ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 30px;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.2;
	transition:
		transform 0.25s ease,
		box-shadow 0.25s ease,
		background 0.25s ease,
		color 0.25s ease,
		border-color 0.25s ease;
	white-space: nowrap;
}
.btn:hover {
	transform: translateY(-2px);
}
.btn-primary {
	background: var(--grad);
	color: #fff;
	box-shadow: 0 10px 26px rgba(46, 107, 255, 0.32);
}
.btn-primary:hover {
	box-shadow: 0 14px 34px rgba(46, 107, 255, 0.42);
}
.btn-dark {
	background: var(--primary-800);
	color: #fff;
}
.btn-ghost {
	border: 1.5px solid var(--line);
	color: var(--ink);
	background: rgba(255, 255, 255, 0.7);
}
.btn-ghost:hover {
	border-color: var(--accent);
	color: var(--accent);
}
.btn-ghost-light {
	border: 1.5px solid rgba(255, 255, 255, 0.35);
	color: #fff;
}
.btn-ghost-light:hover {
	border-color: #fff;
	background: rgba(255, 255, 255, 0.08);
}
.btn-sm {
	padding: 10px 22px;
	font-size: 14px;
}
.btn-lg {
	padding: 16px 38px;
	font-size: 16px;
}
.btn .arr {
	transition: transform 0.25s;
}
.btn:hover .arr {
	transform: translateX(4px);
}

/* ---------- Header ---------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 200;
	transition:
		background 0.3s ease,
		box-shadow 0.3s ease,
		backdrop-filter 0.3s ease;
}
.header-inner {
	height: var(--header-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}
.site-header.scrolled {
	background: rgba(255, 255, 255, 0.94);
	-webkit-backdrop-filter: blur(16px);
	backdrop-filter: blur(16px);
	box-shadow:
		0 1px 0 var(--line),
		0 8px 30px rgba(9, 26, 58, 0.06);
}

/* Logo（默认置于深色 Hero 上，白色系） */
.logo {
	display: inline-flex;
	align-items: center;
	gap: 11px;
}
.logo-mark {
	width: 38px;
	height: 38px;
	flex: none;
}
.logo-text {
	font-size: 19px;
	font-weight: 700;
	color: #fff;
	letter-spacing: 0.02em;
	display: flex;
	flex-direction: column;
	line-height: 1.15;
	transition: color 0.3s;
}
.logo-text i {
	font-style: normal;
	font-size: 10.5px;
	font-weight: 500;
	letter-spacing: 0.18em;
	color: rgba(255, 255, 255, 0.62);
	transition: color 0.3s;
}
.site-header.scrolled .logo-text {
	color: var(--primary-800);
}
.site-header.scrolled .logo-text i {
	color: var(--muted);
}

/* 主导航 */
.main-nav {
	display: flex;
	align-items: center;
	gap: 6px;
}
.main-nav a {
	position: relative;
	padding: 9px 15px;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.85);
	transition:
		color 0.25s,
		background 0.25s;
}
.main-nav a::after {
	content: '';
	position: absolute;
	left: 15px;
	right: 15px;
	bottom: 4px;
	height: 2px;
	border-radius: 2px;
	background: var(--grad);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.28s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after {
	transform: scaleX(1);
}
.main-nav a.active {
	color: #fff;
	font-weight: 600;
}
.site-header.scrolled .main-nav a {
	color: var(--ink);
}
.site-header.scrolled .main-nav a.active {
	color: var(--accent);
}

.header-cta {
	display: flex;
	align-items: center;
	gap: 12px;
}
.header-cta .btn-ghost-light {
	border-color: rgba(255, 255, 255, 0.4);
}
.site-header.scrolled .header-cta .btn-ghost-light {
	border-color: var(--line);
	color: var(--ink);
	background: #fff;
}
.site-header.scrolled .header-cta .btn-ghost-light:hover {
	border-color: var(--accent);
	color: var(--accent);
}

/* 汉堡按钮（Mobile） */
.burger {
	display: none;
	width: 42px;
	height: 42px;
	border-radius: 10px;
	position: relative;
	z-index: 210;
}
.burger span {
	display: block;
	width: 22px;
	height: 2px;
	border-radius: 2px;
	background: #fff;
	margin: 5px auto;
	transition:
		transform 0.3s ease,
		opacity 0.3s ease,
		background 0.3s ease;
}
.site-header.scrolled .burger span {
	background: var(--primary-800);
}
body.nav-open .burger span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
body.nav-open .burger span:nth-child(2) {
	opacity: 0;
}
body.nav-open .burger span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}
body.nav-open .burger span {
	background: var(--primary-800) !important;
}

/* 移动端导航面板 */
.mobile-nav {
	position: fixed;
	top: var(--header-h);
	left: 0;
	right: 0;
	z-index: 190;
	background: rgba(255, 255, 255, 0.98);
	-webkit-backdrop-filter: blur(20px);
	backdrop-filter: blur(20px);
	box-shadow: 0 24px 50px rgba(9, 26, 58, 0.12);
	border-bottom: 1px solid var(--line);
	padding: 14px 24px 22px;
	display: flex;
	flex-direction: column;
	gap: 2px;
	opacity: 0;
	transform: translateY(-10px);
	pointer-events: none;
	transition:
		opacity 0.3s ease,
		transform 0.3s ease;
	max-height: calc(100vh - var(--header-h));
	overflow-y: auto;
}
body.nav-open .mobile-nav {
	opacity: 1;
	transform: none;
	pointer-events: auto;
}
.mobile-nav a {
	padding: 14px 6px;
	font-size: 16px;
	font-weight: 500;
	color: var(--ink);
	border-bottom: 1px solid var(--line);
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.mobile-nav a.active {
	color: var(--accent);
}
.mobile-nav a::after {
	content: '→';
	color: var(--line);
	font-weight: 400;
}
.mobile-nav .mobile-cta {
	margin-top: 16px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}
.mobile-nav .mobile-cta .btn {
	width: 100%;
}

/* ---------- 首页 Hero ---------- */
.hero {
	position: relative;
	background:
		radial-gradient(
			900px 480px at 82% 8%,
			rgba(46, 107, 255, 0.28),
			transparent 60%
		),
		radial-gradient(
			700px 420px at 8% 90%,
			rgba(24, 200, 166, 0.16),
			transparent 60%
		),
		linear-gradient(
			180deg,
			var(--primary-900) 0%,
			var(--primary-800) 55%,
			var(--primary-700) 100%
		);
	color: #fff;
	overflow: hidden;
}
.hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 160, 255, 0.055) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 160, 255, 0.055) 1px, transparent 1px);
	background-size: 54px 54px;
	mask-image: radial-gradient(
		ellipse 90% 75% at 50% 20%,
		#000 35%,
		transparent 100%
	);
	-webkit-mask-image: radial-gradient(
		ellipse 90% 75% at 50% 20%,
		#000 35%,
		transparent 100%
	);
}
.hero-inner {
	position: relative;
	display: grid;
	grid-template-columns: 1.08fr 0.92fr;
	gap: 56px;
	align-items: center;
	padding: 168px 0 110px;
}
.hero-badge {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 8px 18px;
	border-radius: 999px;
	margin-bottom: 26px;
	background: rgba(46, 107, 255, 0.14);
	border: 1px solid rgba(110, 160, 255, 0.35);
	font-size: 13.5px;
	font-weight: 500;
	color: #bad3ff;
}
.hero-badge .dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--accent-2);
	box-shadow: 0 0 10px var(--accent-2);
}
.hero h1 {
	font-size: clamp(30px, 4.6vw, 54px);
	line-height: 1.22;
	font-weight: 800;
	letter-spacing: 0.01em;
	margin-bottom: 22px;
}
.hero h1 .grad-text {
	background: linear-gradient(100deg, #6fa5ff 0%, #3fe0c0 100%);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
}
.hero-sub {
	font-size: clamp(15px, 1.6vw, 18px);
	color: #a9bcd9;
	max-width: 560px;
	margin-bottom: 36px;
}
.hero-sub strong {
	color: #e4edfb;
	font-weight: 600;
}
.hero-ctas {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 46px;
}

.hero-stats {
	display: flex;
	gap: 40px;
	flex-wrap: wrap;
}
.hero-stat {
	position: relative;
}
.hero-stat b {
	display: block;
	font-size: 26px;
	font-weight: 800;
	background: linear-gradient(100deg, #6fa5ff, #3fe0c0);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}
.hero-stat span {
	font-size: 13px;
	color: #8fa3c5;
}

/* Hero 右侧视觉 */
.hero-visual {
	position: relative;
}
.hero-visual .frame {
	position: relative;
	border-radius: 20px;
	overflow: hidden;
	border: 1px solid rgba(140, 175, 255, 0.28);
	box-shadow:
		0 30px 80px rgba(2, 10, 26, 0.55),
		inset 0 0 0 1px rgba(255, 255, 255, 0.06);
	transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}
.hero-visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.hero-visual .float-chip {
	position: absolute;
	display: flex;
	align-items: center;
	gap: 10px;
	background: rgba(10, 26, 54, 0.78);
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border: 1px solid rgba(140, 175, 255, 0.3);
	border-radius: 14px;
	padding: 11px 16px;
	color: #dce8fb;
	font-size: 13px;
	font-weight: 500;
	box-shadow: 0 18px 40px rgba(2, 10, 26, 0.5);
	animation: floaty 6s ease-in-out infinite;
}
.float-chip .tag {
	color: #3fe0c0;
	font-weight: 700;
}
.hero-visual .chip-1 {
	left: -26px;
	bottom: 78px;
}
.hero-visual .chip-2 {
	right: -18px;
	top: 64px;
	animation-delay: -3s;
}
@keyframes floaty {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(-10px);
	}
}

/* ---------- 子页 Hero ---------- */
.page-hero {
	position: relative;
	background:
		radial-gradient(
			800px 380px at 80% 0%,
			rgba(46, 107, 255, 0.25),
			transparent 60%
		),
		linear-gradient(180deg, var(--primary-900) 0%, var(--primary-800) 100%);
	color: #fff;
	overflow: hidden;
}
.page-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px);
	background-size: 54px 54px;
	mask-image: radial-gradient(
		ellipse 85% 90% at 50% 0%,
		#000 30%,
		transparent 100%
	);
	-webkit-mask-image: radial-gradient(
		ellipse 85% 90% at 50% 0%,
		#000 30%,
		transparent 100%
	);
}
.page-hero-inner {
	position: relative;
	padding: 156px 0 84px;
	max-width: 820px;
}
.page-hero .kicker {
	color: #7db3ff;
}
.page-hero h1 {
	font-size: clamp(28px, 4vw, 46px);
	line-height: 1.25;
	font-weight: 800;
	margin-bottom: 18px;
}
.page-hero p {
	color: #a9bcd9;
	font-size: clamp(15px, 1.5vw, 17.5px);
	max-width: 720px;
}
.page-hero .crumbs {
	margin-bottom: 18px;
	font-size: 13px;
	color: #7186a8;
}
.page-hero .crumbs a {
	color: #9fb3d1;
}
.page-hero .crumbs a:hover {
	color: #fff;
}

/* ---------- 信任跑马灯 ---------- */
.trustbar {
	background: var(--primary-800);
	border-top: 1px solid rgba(255, 255, 255, 0.06);
	padding: 22px 0;
	overflow: hidden;
}
.trustbar-label {
	text-align: center;
	font-size: 12.5px;
	letter-spacing: 0.2em;
	color: #66809f;
	margin-bottom: 14px;
}
.marquee {
	overflow: hidden;
	position: relative;
	mask-image: linear-gradient(
		90deg,
		transparent,
		#000 12%,
		#000 88%,
		transparent
	);
	-webkit-mask-image: linear-gradient(
		90deg,
		transparent,
		#000 12%,
		#000 88%,
		transparent
	);
}
.marquee-track {
	display: flex;
	gap: 18px;
	width: max-content;
	animation: marquee 36s linear infinite;
}
.marquee:hover .marquee-track {
	animation-play-state: paused;
}
@keyframes marquee {
	to {
		transform: translateX(-50%);
	}
}
.ai-pill {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 9px 22px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(140, 175, 255, 0.18);
	color: #c6d6f0;
	font-size: 14.5px;
	font-weight: 500;
	white-space: nowrap;
}
.ai-pill .d {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--grad);
}

/* ---------- 卡片网格 ---------- */
.grid {
	display: grid;
	gap: 24px;
}
.grid-2 {
	grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
	grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
	grid-template-columns: repeat(4, 1fr);
}

.card {
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 34px 30px;
	position: relative;
	transition:
		transform 0.3s ease,
		box-shadow 0.3s ease,
		border-color 0.3s ease;
}
.card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow);
	border-color: #c9d9f2;
}
.section--soft .card {
	box-shadow: 0 6px 22px rgba(13, 35, 77, 0.05);
}

.card-icon {
	width: 54px;
	height: 54px;
	border-radius: 15px;
	display: grid;
	place-items: center;
	margin-bottom: 20px;
	background: var(--grad-soft);
	border: 1px solid rgba(46, 107, 255, 0.16);
	color: var(--accent);
	font-size: 25px;
}
.card-icon svg {
	width: 26px;
	height: 26px;
}
.card h3 {
	font-size: 19px;
	font-weight: 700;
	margin-bottom: 10px;
}
.card p {
	color: var(--muted);
	font-size: 14.5px;
}
.card .more {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin-top: 16px;
	font-size: 14px;
	font-weight: 600;
	color: var(--accent);
}
.card .more:hover {
	gap: 10px;
}
.card .num {
	position: absolute;
	top: 22px;
	right: 26px;
	font-size: 44px;
	font-weight: 800;
	color: #edf2fa;
	line-height: 1;
}

/* ---------- 身份介绍（首页 关于摘要） ---------- */
.identity {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 64px;
	align-items: center;
}
.identity-copy p {
	color: var(--muted);
	font-size: 16px;
	margin-bottom: 18px;
}
.identity-copy p strong {
	color: var(--ink);
}
.identity-quote {
	margin-top: 26px;
	padding: 22px 26px;
	border-left: 4px solid;
	border-image: var(--grad) 1;
	background: var(--bg-soft);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	font-size: 17px;
	font-weight: 600;
	color: var(--primary-700);
	line-height: 1.7;
}
.identity-media {
	position: relative;
}
.identity-media img {
	border-radius: var(--radius);
	box-shadow: var(--shadow-lg);
}
.identity-media .badge-float {
	position: absolute;
	left: 22px;
	bottom: -24px;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: 14px;
	padding: 14px 20px;
	box-shadow: var(--shadow);
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 14px;
	font-weight: 600;
}
.badge-float .ico {
	width: 38px;
	height: 38px;
	border-radius: 10px;
	background: var(--grad);
	color: #fff;
	display: grid;
	place-items: center;
	font-size: 18px;
}
.badge-float span {
	display: block;
	font-size: 12px;
	color: var(--muted);
	font-weight: 400;
}

/* ---------- 免费检测 ---------- */
.detect-panel {
	position: relative;
	border-radius: 26px;
	overflow: hidden;
	background:
		radial-gradient(
			700px 340px at 90% 0%,
			rgba(46, 107, 255, 0.3),
			transparent 60%
		),
		linear-gradient(180deg, var(--primary-900), var(--primary-800));
	color: #fff;
	padding: 64px 56px;
	box-shadow: var(--shadow-lg);
}
.detect-panel::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px);
	background-size: 46px 46px;
	pointer-events: none;
}
.detect-grid {
	position: relative;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 48px;
	align-items: start;
}
.detect-head h2 {
	font-size: clamp(24px, 2.8vw, 34px);
	font-weight: 800;
	margin-bottom: 14px;
}
.detect-head p {
	color: #a9bcd9;
	font-size: 15.5px;
	margin-bottom: 26px;
}
.detect-points {
	display: grid;
	gap: 12px;
	margin-top: 26px;
}
.detect-points li {
	display: flex;
	gap: 10px;
	align-items: flex-start;
	color: #c6d6f0;
	font-size: 14.5px;
}
.detect-points .ok {
	color: var(--accent-2);
	font-weight: 800;
}

.detect-form {
	display: flex;
	gap: 12px;
	margin-bottom: 14px;
}
.detect-form input {
	flex: 1;
	min-width: 0;
	padding: 15px 20px;
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(140, 175, 255, 0.3);
	color: #fff;
	font-size: 15px;
	outline: none;
	transition:
		border-color 0.25s,
		background 0.25s;
}
.detect-form input::placeholder {
	color: #7488aa;
}
.detect-form input:focus {
	border-color: #6fa5ff;
	background: rgba(255, 255, 255, 0.12);
}
.detect-note {
	font-size: 12.5px;
	color: #66809f;
	line-height: 1.6;
}

/* 检测结果 */
.detect-result {
	background: rgba(6, 17, 35, 0.55);
	border: 1px solid rgba(140, 175, 255, 0.22);
	border-radius: 18px;
	padding: 26px;
}
.detect-result .dr-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 20px;
}
.detect-result .dr-title {
	font-size: 15px;
	font-weight: 700;
	color: #dce8fb;
}
.detect-result .dr-brand {
	font-size: 12.5px;
	color: #7186a8;
}
.dr-body {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 24px;
	align-items: center;
}
.gauge {
	--v: 0;
	width: 116px;
	height: 116px;
	border-radius: 50%;
	flex: none;
	background: conic-gradient(
		#3fe0c0 calc(var(--v) * 1%),
		rgba(255, 255, 255, 0.1) 0
	);
	display: grid;
	place-items: center;
	transition: --v 1s ease;
}
.gauge-inner {
	width: 88px;
	height: 88px;
	border-radius: 50%;
	background: #08162e;
	display: grid;
	place-items: center;
	text-align: center;
}
.gauge-inner b {
	font-size: 27px;
	font-weight: 800;
	color: #fff;
	line-height: 1;
}
.gauge-inner span {
	font-size: 10.5px;
	color: #7186a8;
	margin-top: 4px;
	display: block;
}
.dr-list {
	display: grid;
	gap: 10px;
}
.dr-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding: 10px 14px;
	border-radius: 11px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.07);
}
.dr-item .name {
	font-size: 14px;
	font-weight: 600;
	color: #dce8fb;
}
.dr-item .meta {
	font-size: 12px;
	color: #7186a8;
	margin-top: 2px;
}
.chip {
	font-size: 12px;
	font-weight: 700;
	padding: 4px 12px;
	border-radius: 999px;
	white-space: nowrap;
}
.chip.ok {
	background: rgba(63, 224, 192, 0.14);
	color: #3fe0c0;
	border: 1px solid rgba(63, 224, 192, 0.35);
}
.chip.mid {
	background: rgba(255, 184, 74, 0.12);
	color: #ffb84a;
	border: 1px solid rgba(255, 184, 74, 0.35);
}
.chip.no {
	background: rgba(160, 174, 198, 0.1);
	color: #8fa3c5;
	border: 1px solid rgba(160, 174, 198, 0.28);
}
.dr-foot {
	margin-top: 18px;
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}
.dr-empty {
	text-align: center;
	color: #7488aa;
	font-size: 14px;
	padding: 44px 10px;
}
.dr-empty .big {
	font-size: 34px;
	display: block;
	margin-bottom: 10px;
	opacity: 0.5;
}

/* ---------- 解决方案双卡 ---------- */
.solutions {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 26px;
}
.solution-card {
	position: relative;
	border-radius: 22px;
	padding: 42px 38px;
	overflow: hidden;
	color: #fff;
	min-height: 320px;
	display: flex;
	flex-direction: column;
	transition:
		transform 0.3s ease,
		box-shadow 0.3s ease;
}
.solution-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-lg);
}
.solution-card.s-product {
	background: linear-gradient(
		160deg,
		var(--primary-700),
		var(--primary-900) 70%
	);
}
.solution-card.s-service {
	background: linear-gradient(160deg, #123b6e, #0b5a57 130%);
}
.solution-card .sc-tag {
	align-self: flex-start;
	font-size: 12.5px;
	font-weight: 700;
	letter-spacing: 0.1em;
	padding: 6px 14px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.2);
	margin-bottom: 22px;
}
.solution-card h3 {
	font-size: 26px;
	font-weight: 800;
	margin-bottom: 12px;
}
.solution-card > p {
	color: rgba(214, 228, 250, 0.8);
	font-size: 15px;
	margin-bottom: 22px;
	max-width: 480px;
}
.solution-card ul {
	display: grid;
	gap: 10px;
	margin-bottom: 30px;
}
.solution-card ul li {
	display: flex;
	gap: 10px;
	font-size: 14.5px;
	color: #d6e4fa;
}
.solution-card ul li::before {
	content: '✓';
	color: #3fe0c0;
	font-weight: 800;
}
.solution-card .btn {
	margin-top: auto;
	align-self: flex-start;
}
.solution-card .sc-deco {
	position: absolute;
	right: -60px;
	top: -60px;
	width: 240px;
	height: 240px;
	border-radius: 50%;
	background: radial-gradient(
		circle,
		rgba(63, 224, 192, 0.18),
		transparent 65%
	);
}

/* ---------- 案例卡片 ---------- */
.case-card {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	border: 1px solid var(--line);
	border-radius: 22px;
	overflow: hidden;
	background: #fff;
	transition:
		box-shadow 0.3s,
		transform 0.3s;
}
.case-card:hover {
	box-shadow: var(--shadow);
	transform: translateY(-4px);
}
.case-card + .case-card {
	margin-top: 28px;
}
.case-body {
	padding: 40px 42px;
}
.case-tag {
	display: inline-flex;
	gap: 8px;
	margin-bottom: 16px;
}
.case-tag span {
	font-size: 12.5px;
	font-weight: 600;
	padding: 5px 13px;
	border-radius: 999px;
	background: var(--grad-soft);
	color: var(--accent);
	border: 1px solid rgba(46, 107, 255, 0.18);
}
.case-body h3 {
	font-size: 22px;
	font-weight: 800;
	margin-bottom: 14px;
}
.case-block {
	margin-bottom: 14px;
}
.case-block h4 {
	font-size: 13px;
	font-weight: 700;
	color: var(--accent);
	letter-spacing: 0.08em;
	margin-bottom: 6px;
}
.case-block p {
	font-size: 14.5px;
	color: var(--muted);
}
.case-metrics {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
	padding: 34px 38px;
	background: linear-gradient(170deg, var(--primary-800), var(--primary-900));
	color: #fff;
}
.case-metrics .cm {
	padding: 18px 16px;
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.09);
}
.case-metrics .cm b {
	display: block;
	font-size: 24px;
	font-weight: 800;
	background: linear-gradient(100deg, #6fa5ff, #3fe0c0);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	margin-bottom: 4px;
}
.case-metrics .cm span {
	font-size: 12.5px;
	color: #9fb3d1;
	line-height: 1.5;
	display: block;
}

/* 首页案例 teaser 指标 */
.t-metrics {
	display: flex;
	gap: 28px;
	margin-top: 18px;
	padding-top: 18px;
	border-top: 1px dashed var(--line);
	flex-wrap: wrap;
}
.tm b {
	display: block;
	font-size: 21px;
	font-weight: 800;
	line-height: 1.3;
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}
.tm span {
	font-size: 12.5px;
	color: var(--muted);
}

/* 优化前后 AI 回答对比 */
.compare {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 26px;
}
.ai-mock {
	border-radius: 18px;
	overflow: hidden;
	border: 1px solid var(--line);
	background: #fff;
	display: flex;
	flex-direction: column;
}
.ai-mock-header {
	padding: 13px 20px;
	font-size: 13px;
	font-weight: 700;
	display: flex;
	align-items: center;
	gap: 9px;
}
.ai-mock.before .ai-mock-header {
	background: #f1f4f9;
	color: var(--muted);
}
.ai-mock.after .ai-mock-header {
	background: linear-gradient(
		135deg,
		rgba(46, 107, 255, 0.1),
		rgba(24, 200, 166, 0.1)
	);
	color: var(--accent);
}
.ai-mock-body {
	padding: 24px;
	display: grid;
	gap: 16px;
	flex: 1;
}
.bubble {
	border-radius: 14px;
	padding: 14px 18px;
	font-size: 14px;
	line-height: 1.7;
}
.bubble.q {
	background: var(--bg-soft);
	color: var(--ink);
	border: 1px solid var(--line);
	font-weight: 600;
	align-self: flex-end;
	max-width: 92%;
}
.bubble.a {
	background: #fff;
	border: 1px solid var(--line);
	color: var(--muted);
	max-width: 100%;
}
.ai-mock.after .bubble.a {
	border-color: rgba(24, 200, 166, 0.45);
	background: #f4fcfa;
	color: #2a4a44;
}
.bubble.a .hl {
	color: var(--accent);
	font-weight: 700;
}
.ai-mock.after .bubble.a .hl {
	color: #0a9b82;
}
.bubble.a .dim {
	color: #98a6bc;
}
.cite-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 10px;
}
.cite-chips i {
	font-style: normal;
	font-size: 12px;
	color: var(--accent);
	background: rgba(46, 107, 255, 0.08);
	border: 1px solid rgba(46, 107, 255, 0.2);
	border-radius: 999px;
	padding: 3px 11px;
}

/* ---------- 资质带 ---------- */
.creds {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
}
.cred {
	display: flex;
	gap: 16px;
	align-items: flex-start;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 26px 24px;
	transition:
		transform 0.3s,
		box-shadow 0.3s;
}
.cred:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow);
}
.cred .ico {
	width: 46px;
	height: 46px;
	flex: none;
	border-radius: 13px;
	background: var(--grad);
	color: #fff;
	display: grid;
	place-items: center;
	font-size: 21px;
	box-shadow: 0 8px 20px rgba(46, 107, 255, 0.25);
}
.cred b {
	display: block;
	font-size: 15.5px;
	margin-bottom: 5px;
}
.cred span {
	font-size: 13.5px;
	color: var(--muted);
	line-height: 1.6;
}

/* ---------- GEO 流程四步 ---------- */
.steps {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
	counter-reset: step;
}
.step {
	position: relative;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 34px 26px 30px;
	transition:
		transform 0.3s,
		box-shadow 0.3s;
}
.step:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow);
}
.step::before {
	counter-increment: step;
	content: counter(step, decimal-leading-zero);
	display: inline-block;
	margin-bottom: 18px;
	font-size: 15px;
	font-weight: 800;
	letter-spacing: 0.06em;
	color: transparent;
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
}
.step h3 {
	font-size: 19px;
	font-weight: 700;
	margin-bottom: 8px;
}
.step .step-sub {
	font-size: 13px;
	color: var(--accent);
	font-weight: 600;
	margin-bottom: 10px;
}
.step p {
	font-size: 14px;
	color: var(--muted);
}
.step ul {
	margin-top: 12px;
	display: grid;
	gap: 7px;
}
.step ul li {
	font-size: 13.5px;
	color: var(--muted);
	display: flex;
	gap: 8px;
}
.step ul li::before {
	content: '·';
	color: var(--accent);
	font-weight: 900;
}

/* ---------- 承诺对比 ---------- */
.promise {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 26px;
}
.promise-panel {
	border-radius: 22px;
	padding: 40px 38px;
}
.promise-panel.no {
	background: linear-gradient(170deg, #121a2b, #0b1220);
	color: #c6d6f0;
	border: 1px solid rgba(255, 255, 255, 0.08);
}
.promise-panel.yes {
	background: linear-gradient(170deg, #0c3b34, #08251f);
	color: #d9f5ee;
	border: 1px solid rgba(63, 224, 192, 0.25);
}
.promise-panel h3 {
	font-size: 21px;
	font-weight: 800;
	margin-bottom: 8px;
	color: #fff;
}
.promise-panel > p {
	font-size: 14px;
	margin-bottom: 22px;
	opacity: 0.75;
}
.promise-panel ul {
	display: grid;
	gap: 13px;
}
.promise-panel li {
	display: flex;
	gap: 12px;
	align-items: flex-start;
	font-size: 14.5px;
}
.promise-panel .mark {
	flex: none;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	font-size: 12px;
	font-weight: 800;
	margin-top: 2px;
}
.promise-panel.no .mark {
	background: rgba(255, 110, 110, 0.14);
	color: #ff8a8a;
}
.promise-panel.yes .mark {
	background: rgba(63, 224, 192, 0.16);
	color: #3fe0c0;
}

/* ---------- 适用人群 / 交付形态 ---------- */
.persona {
	text-align: center;
	padding: 36px 26px;
}
.persona .avatar {
	width: 62px;
	height: 62px;
	margin: 0 auto 18px;
	border-radius: 18px;
	background: var(--grad-soft);
	border: 1px solid rgba(46, 107, 255, 0.16);
	display: grid;
	place-items: center;
	font-size: 28px;
}
.persona h3 {
	font-size: 18px;
	margin-bottom: 8px;
}
.persona p {
	font-size: 14px;
	color: var(--muted);
}
.persona .tags {
	display: flex;
	flex-wrap: wrap;
	gap: 7px;
	justify-content: center;
	margin-top: 14px;
}
.persona .tags i {
	font-style: normal;
	font-size: 12px;
	color: var(--accent);
	background: rgba(46, 107, 255, 0.07);
	border: 1px solid rgba(46, 107, 255, 0.16);
	padding: 3px 11px;
	border-radius: 999px;
}

/* ---------- 产品展示 ---------- */
.showcase {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 60px;
	align-items: center;
}
.showcase-media {
	position: relative;
}
.showcase-media img {
	border-radius: 20px;
	border: 1px solid var(--line);
	box-shadow: var(--shadow-lg);
}
.showcase-media .glow {
	position: absolute;
	inset: 8% -6% -6% 8%;
	background: var(--grad);
	opacity: 0.16;
	filter: blur(50px);
	border-radius: 40px;
	z-index: -1;
}
.feature-list {
	display: grid;
	gap: 22px;
}
.feature-item {
	display: flex;
	gap: 18px;
}
.feature-item .fi-ico {
	width: 48px;
	height: 48px;
	flex: none;
	border-radius: 13px;
	background: #fff;
	border: 1px solid var(--line);
	box-shadow: 0 6px 16px rgba(13, 35, 77, 0.07);
	display: grid;
	place-items: center;
	color: var(--accent);
	font-size: 21px;
}
.feature-item h3 {
	font-size: 17.5px;
	font-weight: 700;
	margin-bottom: 5px;
}
.feature-item p {
	font-size: 14.5px;
	color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq-wrap {
	max-width: 860px;
	margin: 0 auto;
}
.faq-item {
	border: 1px solid var(--line);
	border-radius: 16px;
	background: #fff;
	margin-bottom: 14px;
	overflow: hidden;
	transition:
		box-shadow 0.3s,
		border-color 0.3s;
}
.faq-item.open {
	border-color: #c9d9f2;
	box-shadow: var(--shadow);
}
.faq-q {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
	padding: 21px 26px;
	text-align: left;
	font-size: 16.5px;
	font-weight: 700;
	color: var(--ink);
}
.faq-q .fx {
	flex: none;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: var(--grad-soft);
	border: 1px solid rgba(46, 107, 255, 0.2);
	color: var(--accent);
	display: grid;
	place-items: center;
	font-size: 17px;
	font-weight: 600;
	transition:
		transform 0.35s ease,
		background 0.3s,
		color 0.3s;
}
.faq-item.open .faq-q .fx {
	transform: rotate(45deg);
	background: var(--grad);
	color: #fff;
}
.faq-a {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.45s ease;
}
.faq-a .inner {
	padding: 0 26px 24px;
	color: var(--muted);
	font-size: 15px;
}
.faq-a .inner a {
	color: var(--accent);
	font-weight: 600;
}

/* ---------- 博客 ---------- */
.post-card {
	padding: 0;
	overflow: hidden;
	display: flex;
	flex-direction: column;
}
.post-card .thumb {
	aspect-ratio: 16/9;
	overflow: hidden;
	position: relative;
}
.post-card .thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}
.post-card:hover .thumb img {
	transform: scale(1.06);
}
.post-card .thumb .cat {
	position: absolute;
	left: 14px;
	top: 14px;
	font-size: 12px;
	font-weight: 700;
	color: #fff;
	background: rgba(8, 24, 48, 0.72);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	padding: 5px 13px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.2);
}
.post-card .pc-body {
	padding: 26px 28px 30px;
	display: flex;
	flex-direction: column;
	flex: 1;
}
.post-card .meta {
	font-size: 12.5px;
	color: #93a2ba;
	margin-bottom: 10px;
	display: flex;
	gap: 14px;
}
.post-card h3 {
	font-size: 18.5px;
	font-weight: 700;
	line-height: 1.5;
	margin-bottom: 10px;
}
.post-card h3 a:hover {
	color: var(--accent);
}
.post-card p {
	font-size: 14px;
	color: var(--muted);
	flex: 1;
}
.post-card .more {
	margin-top: 16px;
}
.post-card.soon {
	opacity: 0.75;
}
.post-card.soon .thumb::after {
	content: '即将发布';
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	background: rgba(8, 24, 48, 0.55);
	color: #fff;
	font-weight: 700;
	letter-spacing: 0.2em;
	font-size: 15px;
}

/* 文章页 */
.article {
	max-width: 820px;
	margin: 0 auto;
}
.article-hero {
	padding: 26px 0 8px;
}
.article-hero .meta {
	display: flex;
	gap: 16px;
	font-size: 13px;
	color: var(--muted);
	margin-bottom: 14px;
	flex-wrap: wrap;
}
.article-hero h1 {
	font-size: clamp(26px, 3.4vw, 38px);
	line-height: 1.35;
	font-weight: 800;
	margin-bottom: 18px;
}
.article-hero .lead {
	font-size: 17px;
	color: var(--muted);
	border-left: 4px solid var(--accent);
	padding-left: 18px;
	margin-bottom: 30px;
}
.article-cover {
	border-radius: 20px;
	overflow: hidden;
	margin-bottom: 44px;
	box-shadow: var(--shadow);
}
.article-body h2 {
	font-size: 23px;
	font-weight: 800;
	margin: 44px 0 16px;
	padding-left: 14px;
	border-left: 4px solid;
	border-image: var(--grad) 1;
}
.article-body h3 {
	font-size: 18.5px;
	font-weight: 700;
	margin: 28px 0 12px;
}
.article-body p {
	color: #3d4c66;
	font-size: 15.5px;
	margin-bottom: 16px;
}
.article-body ul,
.article-body ol {
	margin: 0 0 18px 4px;
	display: grid;
	gap: 9px;
}
.article-body ul li {
	padding-left: 22px;
	position: relative;
	color: #3d4c66;
	font-size: 15.5px;
}
.article-body ul li::before {
	content: '';
	position: absolute;
	left: 2px;
	top: 11px;
	width: 8px;
	height: 8px;
	border-radius: 3px;
	background: var(--grad);
}
.article-body blockquote {
	background: var(--bg-soft);
	border: 1px solid var(--line);
	border-radius: 14px;
	padding: 18px 22px;
	color: var(--primary-700);
	font-weight: 600;
	margin: 20px 0;
}
.article-body .taglist {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin: 30px 0 8px;
}
.article-body .taglist i {
	font-style: normal;
	font-size: 12.5px;
	color: var(--accent);
	background: rgba(46, 107, 255, 0.07);
	border: 1px solid rgba(46, 107, 255, 0.18);
	padding: 4px 13px;
	border-radius: 999px;
}
.article-nav {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin-top: 56px;
	padding-top: 26px;
	border-top: 1px solid var(--line);
}
.article-nav a {
	font-weight: 600;
	color: var(--accent);
	font-size: 14.5px;
}

/* ---------- 团队 / 关于 ---------- */
.team-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
.team-card {
	text-align: center;
	padding: 38px 30px;
}
.team-card .t-ico {
	width: 74px;
	height: 74px;
	margin: 0 auto 20px;
	border-radius: 22px;
	background: var(--grad);
	color: #fff;
	font-size: 32px;
	display: grid;
	place-items: center;
	box-shadow: 0 14px 30px rgba(46, 107, 255, 0.28);
}
.team-card h3 {
	font-size: 19px;
	margin-bottom: 4px;
}
.team-card .t-role {
	font-size: 13px;
	color: var(--accent);
	font-weight: 600;
	margin-bottom: 12px;
}
.team-card p {
	font-size: 14px;
	color: var(--muted);
}

.info-table {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	overflow: hidden;
	background: #fff;
}
.info-row {
	display: grid;
	grid-template-columns: 200px 1fr;
	border-bottom: 1px solid var(--line);
}
.info-row:last-child {
	border-bottom: none;
}
.info-row dt {
	padding: 18px 26px;
	background: var(--bg-soft);
	font-weight: 700;
	font-size: 14.5px;
	color: var(--primary-700);
}
.info-row dd {
	padding: 18px 26px;
	font-size: 14.5px;
	color: var(--muted);
}
.info-row dd a {
	color: var(--accent);
	font-weight: 600;
}

.value-band {
	border-radius: 26px;
	padding: 60px 56px;
	text-align: center;
	color: #fff;
	background:
		radial-gradient(
			600px 300px at 50% 0%,
			rgba(46, 107, 255, 0.3),
			transparent 65%
		),
		linear-gradient(180deg, var(--primary-900), var(--primary-800));
	position: relative;
	overflow: hidden;
}
.value-band::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px);
	background-size: 46px 46px;
}
.value-band .kicker {
	color: #7db3ff;
	justify-content: center;
}
.value-band h2 {
	position: relative;
	font-size: clamp(22px, 3vw, 32px);
	font-weight: 800;
	line-height: 1.5;
	max-width: 760px;
	margin: 0 auto 14px;
}
.value-band h2 .grad-text {
	background: linear-gradient(100deg, #6fa5ff, #3fe0c0);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}
.value-band p {
	position: relative;
	color: #a9bcd9;
	max-width: 640px;
	margin: 0 auto;
	font-size: 15.5px;
}

/* ---------- 表单 ---------- */
.form-panel {
	border-radius: 24px;
	background: #fff;
	border: 1px solid var(--line);
	box-shadow: var(--shadow);
	padding: 50px 46px;
	position: relative;
	overflow: hidden;
}
.form-panel::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 5px;
	background: var(--grad);
}
.form-panel h2 {
	font-size: 25px;
	font-weight: 800;
	margin-bottom: 8px;
}
.form-panel .form-sub {
	color: var(--muted);
	font-size: 14.5px;
	margin-bottom: 30px;
}
.form-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}
.form-grid .full {
	grid-column: 1 / -1;
}
.form-grid label {
	display: block;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--ink);
	margin-bottom: 7px;
}
.form-grid label em {
	color: #ff6470;
	font-style: normal;
}
.form-grid input,
.form-grid select,
.form-grid textarea {
	width: 100%;
	padding: 13px 16px;
	border-radius: 12px;
	border: 1.5px solid var(--line);
	background: #fbfcfe;
	outline: none;
	transition:
		border-color 0.25s,
		box-shadow 0.25s;
}
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 4px rgba(46, 107, 255, 0.1);
	background: #fff;
}
.form-grid textarea {
	resize: vertical;
	min-height: 96px;
}
.form-grid .submit {
	margin-top: 6px;
	width: 100%;
}
.form-note {
	font-size: 12.5px;
	color: #93a2ba;
	margin-top: 14px;
	text-align: center;
}
.form-done {
	text-align: center;
	padding: 30px 10px;
}
.form-done .ok-ico {
	width: 64px;
	height: 64px;
	margin: 0 auto 18px;
	border-radius: 50%;
	background: var(--grad);
	color: #fff;
	font-size: 30px;
	display: grid;
	place-items: center;
	box-shadow: 0 14px 34px rgba(46, 107, 255, 0.3);
}
.form-done h3 {
	font-size: 21px;
	margin-bottom: 8px;
}
.form-done p {
	color: var(--muted);
	font-size: 14.5px;
}

/* ---------- CTA ---------- */
.cta-band {
	position: relative;
	border-radius: 28px;
	overflow: hidden;
	color: #fff;
	padding: 70px 60px;
	text-align: center;
	background:
		radial-gradient(
			700px 320px at 15% 10%,
			rgba(24, 200, 166, 0.24),
			transparent 60%
		),
		radial-gradient(
			700px 360px at 90% 100%,
			rgba(46, 107, 255, 0.3),
			transparent 60%
		),
		linear-gradient(160deg, var(--primary-900), var(--primary-700));
	box-shadow: var(--shadow-lg);
}
.cta-band::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px);
	background-size: 46px 46px;
}
.cta-band > * {
	position: relative;
}
.cta-band h2 {
	font-size: clamp(24px, 3.2vw, 38px);
	font-weight: 800;
	margin-bottom: 14px;
}
.cta-band p {
	color: #a9bcd9;
	margin-bottom: 34px;
	font-size: 16px;
}
.cta-band .btns {
	display: flex;
	gap: 14px;
	justify-content: center;
	flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
	background: var(--primary-900);
	color: #9fb3d1;
	margin-top: 96px;
}
.footer-top {
	padding: 68px 0 48px;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
	gap: 44px;
}
.footer-brand .logo {
	margin-bottom: 18px;
}
.footer-brand p {
	font-size: 13.5px;
	line-height: 1.8;
	color: #7186a8;
	max-width: 300px;
}
.footer-brand .f-badge {
	margin-top: 18px;
	display: inline-flex;
	align-items: center;
	gap: 9px;
	font-size: 12.5px;
	color: #c6d6f0;
	background: rgba(46, 107, 255, 0.12);
	border: 1px solid rgba(110, 160, 255, 0.25);
	padding: 7px 15px;
	border-radius: 999px;
}
.footer-col h4 {
	color: #fff;
	font-size: 15px;
	font-weight: 700;
	margin-bottom: 18px;
}
.footer-col ul {
	display: grid;
	gap: 11px;
}
.footer-col a {
	font-size: 13.5px;
	color: #9fb3d1;
	transition: color 0.25s;
}
.footer-col a:hover {
	color: #fff;
}
.footer-col .contact-line {
	display: flex;
	gap: 10px;
	font-size: 13.5px;
	margin-bottom: 13px;
	align-items: flex-start;
}
.footer-col .contact-line .ci {
	color: var(--accent-2);
	flex: none;
}
.footer-col .contact-line a:hover {
	color: #fff;
}
.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.08);
	padding: 22px 0;
}
.footer-bottom .fb-inner {
	display: flex;
	justify-content: space-between;
	gap: 14px;
	flex-wrap: wrap;
	font-size: 12.5px;
	color: #66809f;
}
.footer-bottom a {
	color: #66809f;
}
.footer-bottom a:hover {
	color: #fff;
}

/* ---------- 动效 ---------- */
.reveal {
	opacity: 0;
	transform: translateY(26px);
	transition:
		opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
		transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in {
	opacity: 1;
	transform: none;
}
.reveal[data-d='1'] {
	transition-delay: 0.08s;
}
.reveal[data-d='2'] {
	transition-delay: 0.16s;
}
.reveal[data-d='3'] {
	transition-delay: 0.24s;
}
.reveal[data-d='4'] {
	transition-delay: 0.32s;
}
@media (prefers-reduced-motion: reduce) {
	.reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}
	.marquee-track {
		animation: none;
	}
	html {
		scroll-behavior: auto;
	}
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
	.container {
		padding: 0 22px;
	}
	.hero-inner {
		grid-template-columns: 1fr;
		gap: 46px;
		padding: 150px 0 84px;
	}
	.hero-visual {
		max-width: 620px;
	}
	.identity,
	.showcase {
		grid-template-columns: 1fr;
		gap: 44px;
	}
	.grid-4 {
		grid-template-columns: repeat(2, 1fr);
	}
	.steps {
		grid-template-columns: repeat(2, 1fr);
	}
	.creds {
		grid-template-columns: repeat(2, 1fr);
	}
	.footer-top {
		grid-template-columns: 1fr 1fr;
		gap: 36px;
	}
}

@media (max-width: 860px) {
	:root {
		--header-h: 62px;
	}
	.main-nav,
	.header-cta .btn-ghost-light {
		display: none;
	}
	.burger {
		display: block;
	}
	.section {
		padding: 72px 0;
	}
	.grid-3,
	.grid-2,
	.solutions,
	.compare,
	.promise,
	.team-grid,
	.case-card {
		grid-template-columns: 1fr;
	}
	.case-card .case-metrics {
		grid-template-columns: repeat(3, 1fr);
		padding: 26px;
		gap: 10px;
	}
	.case-body {
		padding: 32px 26px;
	}
	.detect-grid {
		grid-template-columns: 1fr;
		gap: 34px;
	}
	.detect-panel {
		padding: 44px 26px;
		border-radius: 20px;
	}
	.hero-stats {
		gap: 26px;
	}
	.hero-visual .chip-1 {
		left: 6px;
	}
	.hero-visual .chip-2 {
		right: 6px;
	}
	.form-grid {
		grid-template-columns: 1fr;
	}
	.form-panel {
		padding: 38px 24px;
	}
	.info-row {
		grid-template-columns: 1fr;
	}
	.info-row dt {
		padding-bottom: 0;
	}
	.cta-band {
		padding: 54px 26px;
	}
	.value-band {
		padding: 46px 26px;
	}
	.dr-body {
		grid-template-columns: 1fr;
		justify-items: center;
	}
	.dr-list {
		width: 100%;
	}
}

@media (max-width: 560px) {
	body {
		font-size: 15px;
	}
	.container {
		padding: 0 18px;
	}
	.section {
		padding: 58px 0;
	}
	.section-head {
		margin-bottom: 38px;
	}
	.grid {
		gap: 16px;
	}
	.grid-4,
	.creds,
	.steps {
		grid-template-columns: 1fr;
	}
	.hero-inner {
		padding: 128px 0 64px;
	}
	.hero-ctas .btn {
		width: 100%;
	}
	.hero-stats {
		gap: 18px;
	}
	.hero-stat b {
		font-size: 21px;
	}
	.case-card .case-metrics {
		grid-template-columns: 1fr;
	}
	.detect-form {
		flex-direction: column;
	}
	.detect-form .btn {
		width: 100%;
	}
	.footer-top {
		grid-template-columns: 1fr;
		gap: 30px;
		padding: 52px 0 36px;
	}
	.footer-bottom .fb-inner {
		justify-content: center;
		text-align: center;
	}
	.site-footer {
		margin-top: 72px;
	}
	.article-hero h1 {
		font-size: 24px;
	}
	.faq-q {
		font-size: 15px;
		padding: 18px 18px;
	}
	.faq-a .inner {
		padding: 0 18px 20px;
	}
	.btn-lg {
		padding: 14px 28px;
		width: 100%;
	}
}