/* ============================================================
   级米智能GEO - 官网样式
   ============================================================ */

:root {
	--primary: #2563eb;
	--primary-dark: #1d4ed8;
	--primary-light: #3b82f6;
	--accent: #06b6d4;
	--bg-dark: #0e182a;
	--bg-light: #f6f8fb;
	--bg-white: #ffffff;
	--text: #1f2937;
	--text-muted: #6b7280;
	--border: #e5e7eb;
	--shadow-sm: 0 2px 8px rgba(14, 24, 42, 0.06);
	--shadow-md: 0 8px 24px rgba(14, 24, 42, 0.10);
	--shadow-lg: 0 16px 40px rgba(14, 24, 42, 0.14);
	--radius: 14px;
	--transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	--font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: 80px;
}

body {
	font-family: var(--font);
	color: var(--text);
	line-height: 1.6;
	background: var(--bg-white);
	-webkit-font-smoothing: antialiased;
}

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

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

ul {
	list-style: none;
}

.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
}

/* ============ 图标定义（内联 SVG） ============ */
.icon-ai { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='16' rx='2'/%3E%3Crect x='9' y='9' width='6' height='6'/%3E%3Cpath d='M15 9l3-3M9 15l-3 3M12 21v-3M12 6V3M21 12h-3M6 12H3'/%3E%3C/svg%3E"); }
.icon-data { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3v18h18'/%3E%3Cpath d='M7 15l4-4 3 3 5-6'/%3E%3C/svg%3E"); }
.icon-global { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M2 12h20M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3E%3C/svg%3E"); }

.icon-plan { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='3' width='7' height='7' rx='1'/%3E%3Crect x='3' y='14' width='7' height='7' rx='1'/%3E%3Crect x='14' y='14' width='7' height='7' rx='1'/%3E%3C/svg%3E"); }
.icon-content { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 19l7-7 3 3-7 7-3-3z'/%3E%3Cpath d='M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z'/%3E%3Ccircle cx='11' cy='11' r='2'/%3E%3C/svg%3E"); }
.icon-tech { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='16 18 22 12 16 6'/%3E%3Cpolyline points='8 6 2 12 8 18'/%3E%3C/svg%3E"); }
.icon-report { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cpath d='M8 13h8M8 17h5'/%3E%3C/svg%3E"); }

.icon-check { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M8 12l3 3 5-6'/%3E%3C/svg%3E"); }
.icon-arrow { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E"); }
.icon-arrow-link { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E"); }

.icon-phone { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.127.96.361 1.903.7 2.81a2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45c.907.339 1.85.573 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E"); }
.icon-mail { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='M22 7l-10 6L2 7'/%3E%3C/svg%3E"); }
.icon-location { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E"); }
.icon-wechat { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M8.5 3C4.9 3 2 5.6 2 8.8c0 1.8.9 3.4 2.4 4.5l-.6 1.9 2.2-1.1c.5.1 1 .2 1.5.2h.3a5.4 5.4 0 0 1-.2-1.5c0-3 2.6-5.4 5.8-5.4h.2C13 5.3 11 3 8.5 3zM6.6 7.5a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6zm4 0a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6z'/%3E%3Cpath d='M22 13.5c0-2.6-2.4-4.8-5.3-4.8s-5.3 2.2-5.3 4.8 2.4 4.8 5.3 4.8c.5 0 1 0 1.4-.1l1.8.9-.5-1.5c1.5-.9 2.6-2.4 2.6-4.1zm-6.9-1a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4zm3.5 0a.7.7 0 1 1 0-1.4.7.7 0 0 1 0 1.4z'/%3E%3C/svg%3E"); }
.icon-qq { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M21 10c0 4.5-3.5 7-7.5 7h-.5c-.4.6-.6 1.3-.4 2l-.3 2h1l.6-1c.6 1 1.5 1.5 2.6 1.5 1 0 1.8-.4 2.4-1.2-2-.5-3-2.3-2.4-3.8 4-1 5-4.5 5-7.5C21 5.5 17.5 3 12 3S3 5.5 3 9.5c0 .4 0 .8.1 1.1C4 9 5.6 8 7.5 8c2.5 0 4.5 2 4.5 4.5 0 .6-.1 1.1-.3 1.6.3.1.6.1.9.1 2.9 0 5.4-1.9 5.4-4.2 0-2.3-2.5-4.2-5.4-4.2-.3 0-.7 0-1 .1.6-.7 1.4-1.1 2.4-1.1 1.9 0 3.5 1.5 3.5 3.5 0 .6-.2 1.2-.4 1.7.6.3.9.8.9 1.5z'/%3E%3C/svg%3E"); }

/* ============ 按钮 ============ */
.btn {
	display: inline-block;
	padding: 12px 28px;
	border-radius: 50px;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	transition: var(--transition);
	border: none;
}

.btn-primary {
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 26px rgba(37, 99, 235, 0.45);
}

/* ============ 头部 ============ */
header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(12px);
	transition: var(--transition);
	border-bottom: 1px solid transparent;
}

header.scrolled {
	box-shadow: var(--shadow-sm);
	border-bottom-color: var(--border);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 72px;
}

.logo a {
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo-img {
	height: 40px;
	width: auto;
}

.logo-text {
	display: inline-block;
	font-size: 22px;
	font-weight: 900;
	color: var(--primary);
	white-space: nowrap;
	letter-spacing: 0.5px;
}

nav ul {
	display: flex;
	gap: 32px;
}

nav ul li a {
	position: relative;
	font-size: 15px;
	font-weight: 500;
	color: var(--text);
	padding: 6px 0;
	transition: var(--transition);
}

nav ul li a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--primary), var(--accent));
	transition: var(--transition);
}

nav ul li a:hover,
nav ul li a.active {
	color: var(--primary);
}

nav ul li a:hover::after,
nav ul li a.active::after {
	width: 100%;
}

.nav-cta {
	padding: 10px 26px;
	font-size: 14px;
}

/* 汉堡菜单 */
.hamburger {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 6px;
}

.hamburger span {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--text);
	transition: var(--transition);
	border-radius: 2px;
}

.hamburger.open span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
	opacity: 0;
}

.hamburger.open span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ============ 轮播 Hero ============ */
#hero {
	position: relative;
	margin-top: 0;
}

.hero-swiper {
	width: 100%;
	height: 100vh;
	min-height: 560px;
	overflow: hidden;
}

.hero-swiper .swiper-wrapper {
	display: flex;
	height: 100%;
	transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide {
	flex: 0 0 100%;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: #0e182a;
	background-image: linear-gradient(135deg, #0e182a 0%, #1e3a8a 50%, #0e7490 100%);
	background-size: cover;
	background-position: center;
}

.hero-content {
	text-align: center;
	color: #fff;
	padding: 0 24px;
	max-width: 800px;
}

.hero-content h1 {
	font-size: clamp(32px, 5vw, 56px);
	font-weight: 900;
	line-height: 1.25;
	margin-bottom: 20px;
	letter-spacing: 1px;
}

.hero-content h1 span {
	background: linear-gradient(90deg, #7dd3fc, #22d3ee);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.hero-content p {
	font-size: clamp(16px, 2vw, 19px);
	opacity: 0.92;
	margin-bottom: 32px;
}

.hero-dots {
	position: absolute;
	bottom: 32px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	z-index: 10;
}

.hero-dots .dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.5);
	cursor: pointer;
	transition: var(--transition);
}

.hero-dots .dot.active {
	width: 28px;
	border-radius: 10px;
	background: #fff;
}

/* ============ 数据统计 ============ */
#stats {
	background: linear-gradient(135deg, var(--bg-dark), #1e2b4a);
	padding: 60px 0;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	text-align: center;
}

.stat-item h3 {
	font-size: clamp(32px, 4vw, 46px);
	font-weight: 800;
	color: #fff;
	line-height: 1.2;
}

.stat-item h3 span {
	background: linear-gradient(90deg, #7dd3fc, #22d3ee);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.stat-item p {
	color: rgba(255, 255, 255, 0.72);
	font-size: 15px;
	margin-top: 8px;
}

/* ============ 通用区块标题 ============ */
.section-title {
	text-align: center;
	max-width: 640px;
	margin: 0 auto 56px;
}

.section-title h2 {
	font-size: clamp(28px, 3.5vw, 40px);
	font-weight: 800;
	margin-bottom: 14px;
	color: var(--bg-dark);
}

.section-title p {
	color: var(--text-muted);
	font-size: 16px;
}

/* ============ 为什么选择我们 ============ */
#why-us {
	padding: 90px 0;
	background: var(--bg-light);
}

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

.why-card {
	background: var(--bg-white);
	border-radius: var(--radius);
	padding: 40px 32px;
	text-align: center;
	box-shadow: var(--shadow-sm);
	transition: var(--transition);
	border: 1px solid var(--border);
}

.why-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-lg);
	border-color: transparent;
}

.why-icon {
	width: 72px;
	height: 72px;
	margin: 0 auto 24px;
	border-radius: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #eff6ff, #ecfeff);
}

.why-icon i {
	width: 34px;
	height: 34px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.why-card h4 {
	font-size: 19px;
	font-weight: 700;
	margin-bottom: 12px;
}

.why-card p {
	color: var(--text-muted);
	font-size: 15px;
}

/* ============ 合作方式（首页） ============ */
#coop-modes {
	padding: 90px 0;
	background: var(--bg-light);
}

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

.coop-card {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 36px 30px;
	transition: var(--transition);
}

.coop-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-lg);
	border-color: var(--primary-light);
}

.coop-tag {
	display: inline-block;
	padding: 5px 16px;
	border-radius: 50px;
	background: #eff6ff;
	color: var(--primary);
	font-size: 13px;
	font-weight: 700;
	margin-bottom: 16px;
}

.coop-card h4 {
	font-size: 20px;
	font-weight: 700;
	color: var(--bg-dark);
	margin-bottom: 12px;
}

.coop-card p {
	color: var(--text-muted);
	font-size: 14px;
	line-height: 1.7;
	margin-bottom: 20px;
}

.coop-link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--primary);
	font-size: 15px;
	font-weight: 600;
	transition: var(--transition);
}

.coop-link:hover {
	color: var(--primary-dark);
	gap: 10px;
}

/* ============ 核心业务 ============ */
#services {
	padding: 90px 0;
}

.service-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}

.service-card {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 32px 26px;
	transition: var(--transition);
	display: flex;
	flex-direction: column;
}

.service-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-light);
}

.icon-wrap {
	width: 56px;
	height: 56px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #eff6ff, #ecfeff);
	margin-bottom: 20px;
	transition: var(--transition);
}

.service-card:hover .icon-wrap {
	background: linear-gradient(135deg, #dbeafe, #cffafe);
}

.icon-wrap i {
	width: 26px;
	height: 26px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.service-card h4 {
	font-size: 18px;
	font-weight: 700;
	margin-bottom: 12px;
}

.service-card p {
	color: var(--text-muted);
	font-size: 14px;
	line-height: 1.7;
	margin-bottom: 20px;
}

.service-points {
	margin-top: auto;
	border-top: 1px solid var(--border);
	padding-top: 16px;
}

.service-points li {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--text);
	font-size: 13px;
	padding: 7px 0;
}

.service-points li i {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

/* ============ 服务流程 / 合作流程 ============ */
#process,
#coop-process {
	padding: 90px 0;
	background: var(--bg-light);
}

/* ============ 合作优势 ============ */
#coop-advantages {
	padding: 90px 0;
	background: var(--bg-white);
}

.process-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}

.process-step {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 36px 28px;
	position: relative;
	transition: var(--transition);
}

.process-step:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-light);
}

.process-num {
	font-size: 40px;
	font-weight: 800;
	line-height: 1;
	margin-bottom: 18px;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.process-step h4 {
	font-size: 18px;
	font-weight: 700;
	color: var(--bg-dark);
	margin-bottom: 10px;
}

.process-step p {
	color: var(--text-muted);
	font-size: 14px;
	line-height: 1.7;
}

/* ============ 服务优势 ============ */
#service-advantages {
	padding: 90px 0;
}

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

.advantage-card {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 40px 32px;
	text-align: center;
	transition: var(--transition);
}

.advantage-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-lg);
	border-color: transparent;
}

.advantage-icon {
	width: 72px;
	height: 72px;
	margin: 0 auto 24px;
	border-radius: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #eff6ff, #ecfeff);
}

.advantage-icon i {
	width: 34px;
	height: 34px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.advantage-card h4 {
	font-size: 19px;
	font-weight: 700;
	margin-bottom: 12px;
}

.advantage-card p {
	color: var(--text-muted);
	font-size: 15px;
}

/* ============ 解决方案 ============ */
#solutions {
	padding: 80px 0;
	background: var(--bg-light);
}

.solution-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	align-items: center;
	padding: 60px 0;
	border-bottom: 1px solid var(--border);
}

.solution-row:first-child {
	padding-top: 0;
}

.solution-row:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

/* 方案二图示在左，文字在右 */
.solution-row.reverse .solution-visual {
	order: 1;
}

.solution-row.reverse .solution-text {
	order: 2;
}

.solution-text {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}

.solution-tag {
	display: inline-block;
	padding: 5px 16px;
	border-radius: 50px;
	background: #eff6ff;
	color: var(--primary);
	font-size: 13px;
	font-weight: 700;
	margin-bottom: 18px;
}

.solution-text h3 {
	font-size: clamp(24px, 3vw, 32px);
	font-weight: 800;
	color: var(--bg-dark);
	margin-bottom: 16px;
}

.solution-desc {
	color: var(--text-muted);
	font-size: 16px;
	line-height: 1.8;
	margin-bottom: 24px;
}

.solution-list {
	margin-bottom: 28px;
	width: 100%;
}

.solution-list li {
	position: relative;
	padding: 9px 0 9px 34px;
	color: var(--text);
	font-size: 15px;
	line-height: 1.6;
}

.solution-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 11px;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/12px no-repeat;
}

.solution-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--primary);
	font-size: 16px;
	font-weight: 600;
	transition: var(--transition);
}

.solution-link i {
	width: 18px;
	height: 18px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	transition: transform 0.3s;
}

.solution-link:hover {
	color: var(--primary-dark);
}

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

.solution-visual {
	display: flex;
	align-items: center;
	justify-content: center;
}

/* ===== 方案一：浏览器窗口示意 ===== */
.browser-window {
	width: 100%;
	max-width: 460px;
	border-radius: 14px;
	overflow: hidden;
	box-shadow: var(--shadow-lg);
	border: 1px solid var(--border);
	background: #fff;
}

.browser-bar {
	display: flex;
	align-items: center;
	gap: 7px;
	padding: 12px 16px;
	background: linear-gradient(135deg, #1e3a8a, #2563eb);
}

.browser-bar .dot {
	width: 11px;
	height: 11px;
	border-radius: 50%;
}

.browser-bar .dot.red { background: #ff5f57; }
.browser-bar .dot.yellow { background: #febc2e; }
.browser-bar .dot.green { background: #28c840; }

.browser-url {
	flex: 1;
	height: 22px;
	margin-left: 10px;
	border-radius: 6px;
	background: rgba(255, 255, 255, 0.25);
}

.browser-body {
	display: flex;
	height: 280px;
	background: #f6f8fb;
}

.browser-sidebar {
	width: 90px;
	background: #eef2f7;
	border-right: 1px solid var(--border);
}

.browser-main {
	flex: 1;
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.browser-hero {
	height: 70px;
	border-radius: 8px;
	background: linear-gradient(135deg, #dbeafe, #cffafe);
}

.browser-cards {
	display: flex;
	gap: 10px;
}

.browser-cards span {
	flex: 1;
	height: 52px;
	border-radius: 8px;
	background: #fff;
	border: 1px solid var(--border);
}

.browser-lines {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.browser-lines span {
	height: 10px;
	border-radius: 5px;
	background: #e2e8f0;
}

.browser-lines span:nth-child(2) { width: 80%; }
.browser-lines span:nth-child(3) { width: 60%; }

/* ===== 方案二：层级树图 ===== */
.agent-tree {
	width: 100%;
	max-width: 460px;
	background: #eff6ff;
	border: 1px solid #dbeafe;
	border-radius: 14px;
	padding: 40px 30px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 26px;
}

.agent-node {
	display: inline-block;
	background: var(--primary);
	color: #fff;
	font-size: 14px;
	font-weight: 600;
	padding: 10px 22px;
	border-radius: 8px;
	white-space: nowrap;
	box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.agent-node.primary {
	font-size: 15px;
	padding: 12px 26px;
	background: linear-gradient(135deg, var(--primary), var(--accent));
}

.agent-node.small {
	background: #93c5fd;
	box-shadow: none;
	font-size: 13px;
	padding: 8px 16px;
}

.agent-branch {
	display: flex;
	justify-content: center;
	gap: 50px;
	width: 100%;
	position: relative;
}

.agent-branch::before {
	content: "";
	position: absolute;
	top: -26px;
	left: 50%;
	width: 2px;
	height: 26px;
	background: #93c5fd;
}

.agent-col {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 18px;
}

.agent-subbranch {
	display: flex;
	gap: 14px;
}

/* ===== 方案三：数据看板 ===== */
.dashboard {
	width: 100%;
	max-width: 460px;
	background: #eff6ff;
	border: 1px solid #dbeafe;
	border-radius: 14px;
	padding: 28px;
	box-shadow: var(--shadow-md);
}

.dashboard-head {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 24px;
}

.dash-avatar {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	font-weight: 800;
	font-size: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.dash-title {
	flex: 1;
	font-size: 16px;
	font-weight: 700;
	color: var(--bg-dark);
}

.dash-status {
	padding: 4px 14px;
	border-radius: 50px;
	background: #dcfce7;
	color: #16a34a;
	font-size: 13px;
	font-weight: 600;
}

.dashboard-metrics {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
	margin-bottom: 20px;
}

.dash-item {
	background: #fff;
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 14px 16px;
	text-align: center;
}

.dash-label {
	display: block;
	font-size: 13px;
	color: var(--text-muted);
	margin-bottom: 6px;
}

.dash-value {
	display: block;
	font-size: 22px;
	font-weight: 800;
	color: var(--primary);
}

.dashboard-progress {
	background: #fff;
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 16px;
}

.dash-progress-head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 10px;
}

.dash-progress-head .dash-label {
	margin-bottom: 0;
}

.progress-bar {
	height: 8px;
	background: #e2e8f0;
	border-radius: 4px;
	overflow: hidden;
}

.progress-bar span {
	display: block;
	height: 100%;
	background: linear-gradient(90deg, var(--primary), var(--accent));
	border-radius: 4px;
}

/* ============ 客户案例 ============ */
#cases {
	padding: 90px 0;
	background: var(--bg-white);
}

.case-tabs {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
	margin-bottom: 40px;
}

.case-tab {
	padding: 10px 22px;
	border-radius: 50px;
	border: 1px solid var(--border);
	background: var(--bg-white);
	cursor: pointer;
	font-size: 14px;
	font-weight: 500;
	color: var(--text-muted);
	transition: var(--transition);
}

.case-tab:hover {
	border-color: var(--primary-light);
	color: var(--primary);
}

.case-tab.active {
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	border-color: transparent;
}

#caseSwiper .swiper-wrapper {
	display: flex;
	flex-direction: column;
	gap: 32px;
}

.case-slide {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
	background: var(--bg-white);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	border: 1px solid var(--border);
}

.case-text {
	padding: 48px;
}

.case-badge {
	display: inline-block;
	padding: 6px 16px;
	border-radius: 50px;
	background: #eff6ff;
	color: var(--primary);
	font-size: 14px;
	font-weight: 700;
	margin-bottom: 18px;
}

.case-text h3 {
	font-size: clamp(20px, 2.5vw, 26px);
	font-weight: 700;
	line-height: 1.5;
	margin-bottom: 24px;
}

.case-text ul li {
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--text-muted);
	font-size: 15px;
	padding: 8px 0;
}

.case-text ul li i {
	width: 20px;
	height: 20px;
	flex-shrink: 0;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.case-cta {
	margin-top: 28px;
	padding: 12px 24px;
	border-radius: 50px;
	border: none;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	transition: var(--transition);
}

.case-cta:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
}

.case-cta i {
	width: 16px;
	height: 16px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.case-image-area {
	height: 100%;
	min-height: 320px;
	background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 50%, #ecfeff 100%);
	display: flex;
	align-items: center;
	justify-content: center;
}

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

/* ============ 子页面页头横幅 ============ */
.page-banner {
	padding: 140px 0 70px;
	background: linear-gradient(135deg, #0e182a 0%, #1e3a8a 55%, #0e7490 100%);
	text-align: center;
	position: relative;
	overflow: hidden;
}

.page-banner::after {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 50% 120%, rgba(34, 211, 238, 0.25), transparent 60%);
	pointer-events: none;
}

.page-banner .container {
	position: relative;
	z-index: 1;
}

.page-banner h1 {
	font-size: clamp(30px, 4vw, 44px);
	font-weight: 800;
	color: #fff;
	margin-bottom: 14px;
}

.page-banner p {
	color: rgba(255, 255, 255, 0.85);
	font-size: 16px;
	max-width: 640px;
	margin: 0 auto;
}

/* ============ 关于我们 ============ */
#about {
	padding: 90px 0;
	background: var(--bg-light);
}

.about-block {
	margin-bottom: 64px;
}

.about-block:last-child {
	margin-bottom: 0;
}

.about-lead {
	color: var(--text-muted);
	font-size: 16px;
	line-height: 1.9;
	margin: 0 auto 48px;
	max-width: 820px;
	text-align: center;
}

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

.about-point {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 36px 28px;
	text-align: center;
	transition: var(--transition);
}

.about-point:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-light);
}

.about-point-icon {
	width: 64px;
	height: 64px;
	border-radius: 50%;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #eff6ff, #ecfeff);
	margin-bottom: 12px;
}

.about-point-icon i {
	width: 28px;
	height: 28px;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

.about-point strong {
	display: block;
	font-size: 17px;
	font-weight: 700;
	color: var(--text);
}

.about-point span {
	color: var(--text-muted);
	font-size: 14px;
	line-height: 1.6;
}

.about-product-features {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}

.about-feature {
	position: relative;
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 32px 24px;
	text-align: center;
	transition: var(--transition);
}

.about-feature:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-light);
}

.about-feature-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	font-size: 15px;
	font-weight: 800;
	margin-bottom: 16px;
}

.about-feature strong {
	display: block;
	font-size: 16px;
	font-weight: 700;
	color: var(--bg-dark);
	margin-bottom: 10px;
}

.about-feature p {
	color: var(--text-muted);
	font-size: 13px;
	line-height: 1.6;
}

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

.about-case-item {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 28px 24px;
	transition: var(--transition);
}

.about-case-item:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-light);
}

.about-case-num {
	display: block;
	font-size: 34px;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 8px;
	background: linear-gradient(90deg, var(--primary), var(--accent));
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.about-case-item h4 {
	font-size: 16px;
	font-weight: 700;
	color: var(--bg-dark);
	margin-bottom: 8px;
}

.about-case-item p {
	color: var(--text-muted);
	font-size: 14px;
	line-height: 1.7;
}

.about-vision {
	background: linear-gradient(135deg, var(--bg-dark), #1e2b4a);
	border-radius: var(--radius);
	padding: 60px 40px;
}

/* 深色背景下标题文字变白 */
.section-title-light h2 {
	color: #fff;
}

.section-title-light p {
	color: rgba(255, 255, 255, 0.7);
}

.about-lead-light {
	color: rgba(255, 255, 255, 0.85);
}

/* ============ 联系我们 ============ */
#contact {
	padding: 90px 0;
	background: var(--bg-white);
}

.contact-wrap {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 40px;
	align-items: start;
}

.contact-info {
	background: linear-gradient(135deg, var(--bg-dark), #1e2b4a);
	border-radius: var(--radius);
	padding: 40px 36px;
	color: #fff;
}

.contact-info h3 {
	font-size: 22px;
	font-weight: 700;
	margin-bottom: 28px;
}

.info-item {
	display: flex;
	gap: 16px;
	padding: 18px 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.info-item:last-child {
	border-bottom: none;
}

.info-item i {
	width: 24px;
	height: 24px;
	flex-shrink: 0;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	opacity: 0.9;
}

.info-item strong {
	display: block;
	font-size: 15px;
	font-weight: 700;
	margin-bottom: 4px;
}

.info-item a,
.info-item span {
	color: rgba(255, 255, 255, 0.9);
	font-size: 15px;
}

.info-item .sub {
	display: block;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.6);
	margin-top: 4px;
}

.contact-form {
	background: var(--bg-white);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 40px 36px;
	box-shadow: var(--shadow-sm);
}

.contact-form form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.form-group.full {
	grid-column: 1 / -1;
}

.form-group label {
	font-size: 14px;
	font-weight: 600;
	color: var(--text);
}

.form-group label span {
	color: #ef4444;
}

.form-group input,
.form-group textarea {
	padding: 12px 16px;
	border: 1px solid var(--border);
	border-radius: 10px;
	font-size: 15px;
	font-family: inherit;
	transition: var(--transition);
	outline: none;
	background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
	border-color: var(--primary);
	background: #fff;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group textarea {
	min-height: 120px;
	resize: vertical;
}

.form-group input.error,
.form-group textarea.error {
	border-color: #ef4444;
	background: #fef2f2;
}

.submit-btn {
	grid-column: 1 / -1;
	padding: 14px;
	border: none;
	border-radius: 50px;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	color: #fff;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: var(--transition);
}

.submit-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
}

.submit-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
}

.form-msg {
	grid-column: 1 / -1;
	text-align: center;
	font-size: 14px;
	min-height: 20px;
}

.form-msg.success {
	color: #16a34a;
}

.form-msg.error {
	color: #ef4444;
}

/* ============ 底部 CTA 横幅 ============ */
#cta-banner {
	background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
	padding: 72px 0;
	text-align: center;
}

#cta-banner .container {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
}

#cta-banner h2 {
	color: #fff;
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 800;
}

#cta-banner p {
	color: rgba(255, 255, 255, 0.85);
	font-size: 17px;
	margin-bottom: 12px;
}

#cta-banner .btn {
	background: #fff;
	color: var(--primary);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

#cta-banner .btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

/* ============ 页脚 ============ */
footer {
	background: #1f2937;
	color: #fff;
	padding: 64px 0 0;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
	gap: 40px;
	padding-bottom: 48px;
}

.footer-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 20px;
}

.footer-logo-img {
	height: 40px;
	width: auto;
}

.footer-logo-text {
	display: inline-block;
	font-size: 22px;
	font-weight: 900;
	color: #fff;
	white-space: nowrap;
	letter-spacing: 0.5px;
}

.footer-brand p {
	color: rgba(255, 255, 255, 0.55);
	font-size: 14px;
	line-height: 1.8;
}

.footer-col h5 {
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 20px;
	color: #fff;
}

.footer-col ul li {
	margin-bottom: 12px;
}

.footer-col ul li a {
	color: rgba(255, 255, 255, 0.55);
	font-size: 14px;
	transition: var(--transition);
}

.footer-col ul li a:hover {
	color: #7dd3fc;
}

/* 页脚联系方式 */
.footer-contact-item {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 14px;
}

.footer-contact-item i {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	opacity: 0.8;
}

.footer-contact-item a {
	color: rgba(255, 255, 255, 0.7);
	font-size: 14px;
	transition: var(--transition);
}

.footer-contact-item a:hover {
	color: #7dd3fc;
}

.footer-qr {
	position: relative;
	display: flex;
	align-items: center;
	gap: 10px;
	margin-top: 8px;
	cursor: pointer;
	color: rgba(255, 255, 255, 0.7);
	font-size: 14px;
}

.footer-qr i {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
	display: inline-block;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	opacity: 0.8;
}

.qr-tooltip {
	position: absolute;
	bottom: 30px;
	left: 0;
	transform: translateY(10px) scale(0.9);
	width: 120px;
	height: 120px;
	padding: 8px;
	background: #fff;
	border-radius: 10px;
	box-shadow: var(--shadow-lg);
	transition: var(--transition);
	transform-origin: bottom left;
	opacity: 0;
	pointer-events: none;
	z-index: 10;
}

.footer-qr:hover .qr-tooltip {
	transform: translateY(0) scale(1);
	opacity: 1;
}

.qr-tooltip img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.copyright {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	gap: 16px;
	padding: 20px 0;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	color: rgba(255, 255, 255, 0.45);
	font-size: 13px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
	.service-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.coop-grid {
		grid-template-columns: 1fr;
	}

	.solution-row {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.solution-row.reverse .solution-visual {
		order: 2;
	}

	.solution-row.reverse .solution-text {
		order: 1;
	}

	.about-intro-points {
		grid-template-columns: 1fr;
		gap: 16px;
	}

	.about-product-features {
		grid-template-columns: repeat(2, 1fr);
	}

	.about-case-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.process-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	nav ul {
		gap: 20px;
	}

	.case-text {
		padding: 32px;
	}
}

@media (max-width: 820px) {
	.nav-cta {
		display: none;
	}

	.case-slide {
		grid-template-columns: 1fr;
	}

	.case-text {
		padding: 32px 24px;
		order: 2;
	}

	.case-image-area {
		order: 1;
		min-height: 220px;
	}
}

@media (max-width: 768px) {
	nav {
		position: fixed;
		top: 72px;
		left: 0;
		width: 100%;
		background: #fff;
		padding: 20px 24px;
		box-shadow: var(--shadow-md);
		transform: translateY(-120%);
		transition: var(--transition);
	}

	nav.open {
		transform: translateY(0);
	}

	nav ul {
		flex-direction: column;
		gap: 16px;
	}

	.nav-cta {
		display: none;
	}

	.hamburger {
		display: flex;
	}

	.stats-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 32px;
	}

	.why-grid {
		grid-template-columns: 1fr;
	}

	.advantage-grid {
		grid-template-columns: 1fr;
	}

	.contact-wrap {
		grid-template-columns: 1fr;
	}

	.contact-form form {
		grid-template-columns: 1fr;
	}

	.footer-grid {
		grid-template-columns: 1fr 1fr;
	}

	.hero-swiper {
		min-height: 480px;
	}
}

@media (max-width: 480px) {
	.service-grid {
		grid-template-columns: 1fr;
	}

	.about-case-grid {
		grid-template-columns: 1fr;
	}

	.about-product-features {
		grid-template-columns: 1fr;
	}

	.process-grid {
		grid-template-columns: 1fr;
	}

	.about-vision {
		padding: 40px 24px;
	}

	.footer-grid {
		grid-template-columns: 1fr 1fr;
		gap: 28px 24px;
	}

	.footer-brand,
	.footer-contact {
		grid-column: 1 / -1;
	}

	.container {
		padding: 0 16px;
	}

	.copyright {
		flex-direction: column;
		text-align: center;
	}

	.hero-swiper {
		min-height: 420px;
	}

	.hero-content h1 {
		font-size: 28px;
	}

	.stats-grid {
		gap: 24px;
	}

	.stat-item h3 {
		font-size: 30px;
	}

	.case-tab {
		padding: 8px 16px;
		font-size: 13px;
	}
}

/* 矮屏设备（横屏手机、小笔记本） */
@media (max-height: 560px) {
	.hero-swiper {
		height: auto;
		min-height: 100vh;
	}
}