/* 全局样式重置 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

:root {
	--primary: #0F52BA;
	/* 科技蓝 */
	--secondary: #FF7F24;
	/* 活力橙 */
	--light-gray: #F5F7FA;
	--dark-gray: #333333;
	--gray: #666666;
	--white: #FFFFFF;
	--shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
	--transition: all 0.3s ease;
}

body {
	color: var(--dark-gray);
	line-height: 1.8;
}

a {
	text-decoration: none;
	color: inherit;
	color: #333;
}

ul {
	list-style: none;
}

ul {
	list-style: none;
}

.container {
	width: 90%;
	max-width: 1200px;
	margin: 0 auto;
}

.btn {
	display: inline-block;
	padding: 10px 30px;
	background: #2563eb;
	color: #fff !important;
	border-radius: 4px;
	transition: all 0.3s;
	border: none;
	cursor: pointer;
	font-size: 16px;
	position: relative;
	overflow: hidden;
	z-index: 1;
}

.btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
	transition: all 0.6s;
	z-index: -1;
}

.btn:hover::before {
	left: 100%;
}

.btn:hover {
	background: #1d4ed8;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.section-title {
	text-align: center;
	margin-bottom: 60px;
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.8s ease-out;
	white-space: nowrap;
}

.section-title.animate {
	opacity: 1;
	transform: translateY(0);
}

.section-title h2 {
	font-size: 32px;
	color: #1f2937;
	margin-bottom: 16px;
	position: relative;
	display: inline-block;
}

.section-title h2::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 3px;
	background: #2563eb;
	opacity: 0;
	transition: all 0.8s ease-out 0.3s;
}

.section-title.animate h2::after {
	opacity: 1;
	width: 80px;
}

.section-title p {
	color: #6b7280;
	font-size: 16px;
	margin: 0 auto;
}

/* 导航栏样式 */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 999;
	padding: 15px 0;
	transition: all 0.3s;
	background: rgba(255, 255, 255, 0);
	box-shadow: var(--shadow);
}

.header.active {
	background: #fff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	padding: 10px 0;
	animation: headerSlide 0.5s ease-out;
}

@keyframes headerSlide {
	from {
		transform: translateY(-100%);
	}

	to {
		transform: translateY(0);
	}
}

.header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	position: relative;
	display: inline-block;
	text-decoration: none;
}

.header.active .logo {
	color: #2563eb;
}

.log_img {
	display: block;
	width: 100%;
	height: 4.375rem;
}

.nav-list {
	display: flex;
	gap: 50px;
}

.nav-list a {
	color: #fff;
	font-size: 16px;
	transition: color 0.3s;
	position: relative;
	padding: 5px 0;
}

.nav-list a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: #2563eb;
	transition: width 0.3s;
}

.nav-list a:hover::after {
	width: 100%;
}

.header.active .nav-list a {
	color: #333;
}

.nav-list a:hover {
	color: #2563eb !important;
}

.hamburger {
	display: none;
	font-size: 24px;
	color: #fff;
	cursor: pointer;
	transition: transform 0.3s;
}

.hamburger:hover {
	transform: rotate(90deg);
}

.header.active .hamburger {
	color: #333;
}

/* 首页Banner */
.banner {
	height: 100vh;
	background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url(../img/home.jpg) no-repeat center center;
	background-size: cover;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	color: #fff;
	padding-top: 80px;
	position: relative;
	overflow: hidden;
}

.banner::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: radial-gradient(circle at center, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
	animation: pulse 4s infinite alternate;
}

@keyframes pulse {
	0% {
		transform: scale(1);
		opacity: 0.5;
	}

	100% {
		transform: scale(1.2);
		opacity: 0.8;
	}
}

.banner-content {
	position: relative;
	z-index: 2;
	opacity: 0;
	transform: translateY(50px);
	animation: bannerFadeIn 1.5s ease-out 0.5s forwards;
}

@keyframes bannerFadeIn {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.banner-content h1 {
	font-size: 48px;
	margin-bottom: 24px;
	line-height: 1.2;
	position: relative;
}

.banner-content h1 span {
	display: inline-block;
	position: relative;
}

.banner-content h1 span::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 0;
	width: 100%;
	height: 3px;
	background: #2563eb;
	transform: scaleX(0);
	transform-origin: left;
	animation: lineGrow 1s ease-out 1.5s forwards;
}

@keyframes lineGrow {
	to {
		transform: scaleX(1);
	}
}

.banner-content p {
	font-size: 18px;
	max-width: 800px;
	margin: 0 auto 32px;
	color: #e5e7eb;
	line-height: 1.5;
	opacity: 0;
	animation: textFadeIn 1s ease-out 2s forwards;
}

@keyframes textFadeIn {
	to {
		opacity: 1;
	}
}

.banner-btn {
	opacity: 0;
	transform: translateY(20px);
	animation: btnFadeIn 1s ease-out 2.5s forwards;
}

@keyframes btnFadeIn {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* 关于我们 */
.about {
	padding: 120px 0;
	background: #f9fafb;
	position: relative;
}

.about::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100px;
	background: linear-gradient(to bottom, #fff, transparent);
	z-index: 1;
}

.about .container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
}

.about-img {
	width: 100%;
	height: 450px;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
	opacity: 0;
	transform: translateX(-50px);
	transition: all 0.8s ease-out;
}

.about-img.animate {
	opacity: 1;
	transform: translateX(0);
}

.about-img img {
	width: 100%;
	height: 100%;
	object-fit: fill;
	transition: transform 0.5s;
}

.about-img:hover img {
	transform: scale(1.05);
}

.about-content {
	opacity: 0;
	transform: translateX(50px);
	transition: all 0.8s ease-out 0.3s;
}

.about-content.animate {
	opacity: 1;
	transform: translateX(0);
}

.about-content h3 {
	font-size: 28px;
	color: var(--primary);
	margin-bottom: 20px;
	position: relative;
	display: inline-block;
}

.about-content h3::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 0;
	width: 60px;
	height: 3px;
	background: #2563eb;
	transition: width 0.3s;
}

.about-content:hover h3::after {
	width: 100px;
}

.about-content p {
	color: #6b7280;
	line-height: 1.8;
	margin-top: 20px;
	opacity: 0;
	transition: opacity 0.5s;
}

.about-content.animate p {
	opacity: 1;
	transition-delay: 0.5s;
}

.about-content .value {
	font-size: 22px;
	font-weight: 700;
	color: var(--primary);
	margin-top: 30px;
}

.about-info {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	/* margin-bottom: 30px; */
	opacity: 0;
	transition: opacity 0.5s;
	padding-top: 0.625rem
}

.about-content.animate .about-info {
	opacity: 1;
	transition-delay: 0.7s;
}

.about-info-item {
	display: flex;
	align-items: center;
	gap: 15px;
	color: #374151;
	padding: 20px;
	border-radius: 8px;
	transition: all 0.3s;
	background: rgba(255, 255, 255, 0.5);
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
	transform: translateY(10px);
}

.about-info-item::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background: linear-gradient(90deg, #2563eb, #60a5fa);
	transform: scaleX(0);
	transition: transform 0.3s;
}

.about-info-item:hover::before {
	transform: scaleX(1);
}

.about-info-item:hover {
	background: #fff;
	transform: translateY(-10px);
	box-shadow: 0 10px 30x rgba(37, 99, 235, 0.1);
}

.about-info-item i {
	color: #2563eb;
	font-size: 20px;
	transition: all 0.3s;
	display: inline-block;
}

.about-info-item:hover i {
	transform: scale(1.2) rotateY(360deg);
}

/* 产品/服务板块 */
.service {
	padding: 120px 0;
	position: relative;
	overflow: hidden;
}

.service::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 20%),
		radial-gradient(circle at 90% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 20%);
	z-index: -1;
}

.service-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.service-item {
	background: #fff;
	padding: 40px 30px;
	border-radius: 8px;
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
	transition: all 0.3s;
	text-align: center;
	opacity: 1;
	transform: translateY(30px);
	position: relative;
	overflow: hidden;
}

.service-item::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background: linear-gradient(90deg, #2563eb, #60a5fa);
	transform: scaleX(0);
	transition: transform 0.3s;
}

.service-item:hover::before {
	transform: scaleX(1);
}

.service-item:hover {
	transform: translateY(-10px);
	box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.service-item i {
	font-size: 40px;
	color: #2563eb;
	margin-bottom: 30px;
	transition: all 0.3s;
	display: inline-block;
}

.service-item:hover i {
	transform: scale(1.2) rotateY(360deg);
	color: #1d4ed8;
}

.service-item h3 {
	font-size: 20px;
	color: #1f2937;
	margin-bottom: 20px;
	transition: color 0.3s;
}

.service-item:hover h3 {
	color: #2563eb;
}

.service-item p {
	color: #6b7280;
	line-height: 2.0;
	/* margin-bottom: 24px; */
	transition: color 0.3s;
}

.service-item:hover p {
	color: #374151;
}

.service-item a {
	color: #2563eb;
	font-weight: 500;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	transition: all 0.3s;
}

.service-item:hover a {
	color: #1d4ed8;
	transform: translateX(5px);
}

.service-item:hover a i {
	transform: translateX(3px);
}

/* 成功案例 */
.case {
	padding: 120px 0;
	background: #f9fafb;
	position: relative;
}

.case::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100px;
	background: linear-gradient(to bottom, #fff, transparent);
	z-index: 1;
}

.case-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.case-item {
	border-radius: 8px;
	overflow: hidden;
	position: relative;
	height: 280px;
	cursor: pointer;
	opacity: 1;
	transform: translateY(30px);
	transition: all 0.5s ease-out;
}

.case-item img {
	width: 100%;
	height: 100%;
	object-fit: fill;
	transition: transform 0.5s;
}

.case-item:hover img {
	transform: scale(1.1);
}

.case-item .case-mask {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(transparent, rgba(15, 23, 42, 0.8));
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 24px;
	color: #fff;
	transition: all 0.3s;
	opacity: 0.8;
	pointer-events: none;
}

.case-item:hover .case-mask {
	background: linear-gradient(transparent, rgba(37, 99, 235, 0.9));
	opacity: 1;
}

.case-mask h3 {
	font-size: 18px;
	margin-bottom: 8px;
	transform: translateY(20px);
	transition: transform 0.3s;
}

.case-item:hover .case-mask h3 {
	transform: translateY(0);
}

.case-mask p {
	font-size: 14px;
	opacity: 0.8;
	transform: translateY(20px);
	transition: all 0.3s;
}

.case-item:hover .case-mask p {
	opacity: 1;
	transform: translateY(0);
}

.service-tab {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-bottom: 40px;
	flex-wrap: wrap;
}

.service-tab-item {
	padding: 10px 25px;
	background: var(--white);
	border-radius: 30px;
	cursor: pointer;
	transition: var(--transition);
	font-weight: 500;
}

.service-tab-item.active {
	background: var(--primary);
	color: var(--white);
}

.service-content {
	background: var(--white);
	padding: 50px;
	border-radius: 8px;
	box-shadow: var(--shadow);
}

.service-content h3 {
	font-size: 24px;
	margin-bottom: 20px;
	color: var(--primary);
}

.service-content p {
	color: var(--gray);
	margin-bottom: 15px;
}

.service-content ul {
	color: var(--gray);
	padding-left: 20px;
	list-style: disc;
	margin-bottom: 30px;
}

.service-content .service-subtitle {
	font-weight: 700;
	color: var(--dark-gray);
	margin-top: 20px;
	margin-bottom: 10px;
}

/* 联系我们 */
.contact {
	padding: 120px 0;
	position: relative;
	overflow: hidden;
}

.contact::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.05) 0%, transparent 30%),
		radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.05) 0%, transparent 30%);
	z-index: -1;
}

.contact .container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
}

.contact-info {
	display: flex;
	flex-direction: column;
	gap: 30px;
	opacity: 0;
	transform: translateX(-30px);
	transition: all 0.8s ease-out;
	padding-top: 50px;
}

.contact-info.animate {
	opacity: 1;
	transform: translateX(0);
}

.contact-info-item {
	display: flex;
	align-items: flex-start;
	gap: 16px;
	padding: 20px;
	border-radius: 8px;
	transition: all 0.3s;
	background: rgba(255, 255, 255, 0.5);
}

.contact-info-item:hover {
	background: #fff;
	transform: translateY(-5px);
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info-item i {
	font-size: 24px;
	color: #2563eb;
	margin-top: 4px;
	transition: all 0.3s;
}

.contact-info-item:hover i {
	transform: scale(1.2) rotateY(360deg);
}

.contact-info-item h4 {
	font-size: 18px;
	color: #1f2937;
	margin-bottom: 8px;
	transition: color 0.3s;
}

.contact-info-item:hover h4 {
	color: #2563eb;
}

.contact-info-item p {
	color: #6b7280;
	line-height: 1.6;
	transition: color 0.3s;
}

.contact-info-item:hover p {
	color: #374151;
}

.contact-form {
	background: #f9fafb;
	padding: 40px;
	border-radius: 8px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
	opacity: 0;
	transform: translateX(30px);
	transition: all 0.8s ease-out 0.3s;
}

.contact-form.animate {
	opacity: 1;
	transform: translateX(0);
}

.form-group {
	margin-bottom: 20px;
	position: relative;
}

.form-group label {
	display: block;
	color: #374151;
	margin-bottom: 8px;
	font-size: 14px;
	transition: color 0.3s;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px 16px;
	border: 1px solid #d1d5db;
	border-radius: 4px;
	font-size: 16px;
	transition: all 0.3s;
	background: #fff;
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: #2563eb;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
	transform: translateY(-2px);
}

.form-group textarea {
	resize: none;
	min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
	transition: color 0.3s;
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
	color: #9ca3af;
}

/* 底部 */
.footer {
	background: #1f2937;
	color: #e5e7eb;
	padding: 40px;
	position: relative;
	overflow: hidden;
}

.footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background: linear-gradient(90deg, #2563eb, #60a5fa);
}

.footer::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
	z-index: 0;
}

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

.footer-top {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 40px;
	margin-bottom: 60px;
}

.footer-logo {
	font-size: 24px;
	font-weight: 700;
	color: #fff;
	margin-bottom: 20px;
	position: relative;
	display: inline-block;
}

.footer-logo::after {
	content: '';
	position: absolute;
	bottom: -5px;
	left: 0;
	width: 0;
	height: 2px;
	background: #2563eb;
	transition: width 0.3s;
}

.footer-logo:hover::after {
	width: 100%;
}

.footer-desc {
	line-height: 1.8;
	margin-bottom: 20px;
	color: #9ca3af;
	opacity: 0.8;
	transition: opacity 0.3s;
}

.footer-desc:hover {
	opacity: 1;
}

.footer-social {
	display: flex;
	gap: 16px;
}

.footer-social a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: #374151;
	color: #fff;
	border-radius: 50%;
	transition: all 0.3s;
	position: relative;
	overflow: hidden;
}

.footer-social a::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
	transition: all 0.6s;
}

.footer-social a:hover::before {
	left: 100%;
}

.footer-social a:hover {
	background: #2563eb;
	transform: translateY(-3px) rotateY(360deg);
	box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.footer-column h4 {
	font-size: 18px;
	color: #fff;
	margin-bottom: 24px;
	position: relative;
	padding-bottom: 12px;
}

.footer-column h4::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 40px;
	height: 2px;
	background: #2563eb;
	transition: width 0.3s;
}

.footer-column:hover h4::after {
	width: 80px;
}

.footer-column ul {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.footer-column a {
	color: #9ca3af;
	transition: all 0.3s;
	position: relative;
	padding-left: 0;
}

.footer-column a::before {
	content: '→';
	position: absolute;
	left: -15px;
	opacity: 0;
	transition: all 0.3s;
}

.footer-column a:hover {
	color: #2563eb;
	padding-left: 10px;
}

.footer-column a:hover::before {
	left: 0;
	opacity: 1;
}

.footer-bottom {
	text-align: center;
	/* padding-top: 20px; */
	/* border-top: 1px solid #374151; */
	color: #9ca3af;
	font-size: 16px;
	transition: color 0.3s;
}

.footer-bottom:hover {
	color: #e5e7eb;
}

/* 回到顶部按钮 */
.back-to-top {
	position: fixed;
	bottom: 30px;
	right: 30px;
	width: 50px;
	height: 50px;
	background: #2563eb;
	color: #fff;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s;
	z-index: 99;
	box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.back-to-top.active {
	opacity: 1;
	visibility: visible;
}

.back-to-top:hover {
	background: #1d4ed8;
	transform: translateY(-5px);
	box-shadow: 0 5px 15px rgba(37, 99, 235, 0.5);
}

.back-to-top i {
	font-size: 20px;
	transition: transform 0.3s;
}

.back-to-top:hover i {
	transform: translateY(-3px);
}

/* 图片预览弹窗 */
.image-preview-modal {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 9999;
	display: none;
	opacity: 0;
	transition: opacity 0.3s ease;
}

.image-preview-modal.active {
	display: flex;
	opacity: 1;
}

.modal-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.9);
	backdrop-filter: blur(5px);
}

.modal-content {
	position: relative;
	width: 90%;
	max-width: 90%;
	max-height: 90%;
	margin: auto;
	display: flex;
	align-items: center;
	justify-content: center;
}

.modal-image {
	max-width: 100%;
	max-height: 90vh;
	object-fit: contain;
	border-radius: 8px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
	animation: modalImageFadeIn 0.3s ease;
}

@keyframes modalImageFadeIn {
	from {
		opacity: 0;
		transform: scale(0.9);
	}

	to {
		opacity: 1;
		transform: scale(1);
	}
}

.modal-close {
	position: fixed;
	top: 20px;
	right: 20px;
	width: 50px;
	height: 50px;
	background: rgba(255, 255, 255, 0.9);
	border: none;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s;
	z-index: 10001;
}

.modal-close:hover {
	background: #fff;
	transform: rotate(90deg);
}

.modal-close i {
	font-size: 24px;
	color: #333;
}

/* 案例图片添加点击效果 */
.case-item img {
	cursor: pointer;
	transition: transform 0.3s ease;
}

.case-item:hover img {
	transform: scale(1.05);
}

/* 响应式适配（平板/手机） */
@media (max-width: 992px) {

	.service-list,
	.case-list,
	.advantage-list,
	.footer-top {
		grid-template-columns: repeat(2, 1fr);
	}

	.banner-content h1 {
		font-size: 36px;
	}
}

@media (max-width: 768px) {

	/* 移动端汉堡菜单 */
	.nav-list {
		position: fixed;
		top: 0;
		right: -100%;
		width: 250px;
		height: 100vh;
		background: #fff;
		flex-direction: column;
		padding: 80px 30px;
		box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
		transition: right 0.3s;
		z-index: 998;
	}

	.nav-list.active {
		right: 0;
		animation: slideIn 0.5s ease-out;
	}

	@keyframes slideIn {
		from {
			transform: translateX(100%);
		}

		to {
			transform: translateX(0);
		}
	}

	.nav-list a {
		color: #333 !important;
		font-size: 18px;
	}

	.hamburger {
		display: block;
		z-index: 999;
	}

	/* 板块单列布局 */
	.about .container,
	.contact .container,
	.service-list,
	.case-list,
	.advantage-list,
	.footer-top {
		grid-template-columns: 1fr;
	}

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

	.banner-content p {
		font-size: 16px;
	}

	.section-title h2 {
		font-size: 24px;
	}

	.about,
	.service,
	.case,
	.contact {
		padding: 80px 0;
	}

	.about-img {
		height: 300px;
	}

	.contact-form {
		padding: 30px;
	}

	.back-to-top {
		bottom: 20px;
		right: 20px;
		width: 40px;
		height: 40px;
	}
}

/* 核心优势 */
.advantage {
	padding: 120px 0;
	background: #f9fafb;
	position: relative;
}

.advantage::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100px;
	background: linear-gradient(to bottom, #fff, transparent);
	z-index: 1;
}

.advantage-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}

.advantage-item {
	background: var(--white);
	padding: 40px;
	border-radius: 8px;
	box-shadow: var(--shadow);
	transition: var(--transition);
}

.advantage-item:hover {
	transform: translateY(-5px);
}

.advantage-item h3 {
	font-size: 22px;
	color: var(--primary);
	margin-bottom: 15px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.advantage-item h3 i {
	font-size: 24px;
}

.advantage-item p {
	color: var(--gray);
	margin-bottom: 10px;
}

.advantage-item .data {
	color: var(--secondary);
	font-weight: 700;
	font-size: 18px;
}