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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  scroll-behavior: smooth;
}

header{
	background: rgba(255, 255, 255, 0.95);
	height: 80px;
	width: 100%;
	position: fixed;
	top: 0;
	z-index: 1000;
	backdrop-filter: blur(10px);
	border-bottom: 1px solid rgba(0,0,0,0.1);
	transition: all 0.3s ease;
}

h1{
	color: #333;
	position: absolute;
	left: 120px;
	top: 0;
	line-height: 80px;
	width: auto;
	text-indent: 0;
	opacity: 1;
	transition: all 0.3s ease;
	font-size: 24px;
	font-weight: 700;
	letter-spacing: 1px;
	display: flex;
	align-items: center;
	gap: 12px;
}

.logo {
	width: 32px;
	height: 32px;
	border-radius: 6px;
}

header ul{
	position: absolute;
	right:30vw;
	top: 0;
	line-height: 80px;
	font-size: 20px;
}
 
header li{
	display: inline;
	margin-right: 4vw;

}
header a{
	color: #333;
	text-decoration: none;
	font-weight: 500;
	transition: color 0.3s ease;
}

header a:hover{
	color: #667eea;
}


.introduce {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.introduce::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
	opacity: 0.3;
	z-index: 1;
}

.introduce > * {
	position: relative;
	z-index: 2;
}

.introduce h2{
	font-size: 56px;
	font-weight: 700;
	margin-bottom: 30px;
	line-height: 1.2;
	max-width: 1000px;
}

.introduce p{
	color: rgba(255, 255, 255, 0.9);
	font-size: 20px;
	margin: 20px 0;
	text-align: center;
	max-width: 800px;
	line-height: 1.6;
}

.introduce p:nth-of-type(2) {
	font-size: 16px;
	opacity: 0.8;
	margin-bottom: 40px;
}

.introduce strong{
	font-size: 22px;
	background: rgba(255, 255, 255, 0.1);
	padding: 4px 8px;
	border-radius: 4px;
	backdrop-filter: blur(10px);
}

.introduce a{
	font-size: 18px;
	color: #667eea;
	text-decoration: none;
	border: 2px solid white;
	padding: 16px 32px;
	border-radius: 50px;
	background-color: white;
	font-weight: 600;
	transition: all 0.3s ease;
	display: inline-block;
	margin-top: 20px;
}

.introduce a:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 30px rgba(0,0,0,0.2);
	background-color: #f8f9fa;
}

.about-brief {
	background-color: #fff;
	padding: 100px 0;
	position: relative;
}

.about-brief::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent, #ddd, transparent);
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.about-brief h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 50px;
	color: #333;
	position: relative;
}

.about-brief h2::after {
	content: '';
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 2px;
}

.about-brief p {
	font-size: 18px;
	line-height: 1.8;
	color: #666;
	text-align: center;
	max-width: 800px;
	margin: 0 auto;
}

.advantages {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
	margin-top: 80px;
}

.advantage-item {
	text-align: center;
	padding: 40px 30px;
	background: #f8f9fa;
	border-radius: 16px;
	border: 1px solid #e9ecef;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

.advantage-item::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	transform: scaleX(0);
	transition: transform 0.3s ease;
}

.advantage-item:hover {
	transform: translateY(-8px);
	box-shadow: 0 15px 35px rgba(0,0,0,0.1);
	background: white;
}

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

.advantage-item h3 {
	font-size: 24px;
	margin-bottom: 15px;
	color: #333;
}

.advantage-item p {
	font-size: 16px;
	color: #666;
	line-height: 1.6;
}

/* 优化advantage-item中的链接样式 */
.advantage-item h3 a {
	color: inherit;
	text-decoration: none;
	position: relative;
	transition: color 0.3s ease;
}

.advantage-item h3 a:hover {
	color: #667eea;
}

.advantage-item h3 a::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 0;
	height: 2px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	transition: width 0.3s ease;
}

.advantage-item h3 a:hover::after {
	width: 100%;
}

.advantage-item p a {
	color: #667eea;
	text-decoration: none;
	position: relative;
	font-weight: 500;
	transition: all 0.3s ease;
	border-bottom: 1px solid transparent;
}

.advantage-item p a:hover {
	color: #764ba2;
	border-bottom: 1px solid #667eea;
}

footer {
	background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
	color: #bdc3c7;
	padding: 40px 0;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 14px;
	line-height: 1.8em;
	border-top: 1px solid #34495e;
}
.footercontainer {
	text-align: center;
}

.footercontainer a{
	color: #ecf0f1;
	text-decoration: none;
	transition: color 0.3s ease;
}

.footercontainer a:hover {
	color: #3498db;
}

.services {
	padding: 100px 0;
	background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
	position: relative;
}

.services h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 70px;
	color: #333;
	position: relative;
}

.services h2::after {
	content: '';
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 2px;
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
	gap: 40px;
}

.service-item {
	padding: 40px;
	background: white;
	border-radius: 20px;
	border: 1px solid #e9ecef;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

.service-item::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	transform: scaleX(0);
	transition: transform 0.3s ease;
}

.service-item:hover {
	transform: translateY(-10px);
	box-shadow: 0 20px 40px rgba(0,0,0,0.12);
	border-color: #667eea;
}

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

.service-item h3 {
	font-size: 24px;
	margin-bottom: 20px;
	color: #333;
}

.service-item p {
	font-size: 16px;
	line-height: 1.6;
	margin-bottom: 10px;
	color: #666;
}

.service-item strong {
	color: #667eea;
	font-weight: 600;
}

.service-item.featured {
	border: 2px solid #667eea;
	background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
	position: relative;
}

.service-badge {
	position: absolute;
	top: -1px;
	right: -1px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 6px 16px;
	font-size: 12px;
	font-weight: 600;
	border-radius: 0 16px 0 16px;
}

.case-item.featured-case {
	border: 2px solid #667eea;
	position: relative;
}

.case-badge {
	position: absolute;
	top: 10px;
	right: 10px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 6px 12px;
	font-size: 12px;
	font-weight: 600;
	border-radius: 12px;
	z-index: 2;
}

/* 邮箱和微信咨询样式 */
.email-contact,
.wechat-contact {
	cursor: pointer;
	transition: all 0.3s ease;
}

.email-contact:hover,
.wechat-contact:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: scale(1.02);
}

.email-contact small {
	display: block;
	font-size: 12px;
	opacity: 0.8;
	margin-top: 5px;
}

/* 弹窗样式 */
.modal {
	display: none;
	position: fixed;
	z-index: 9999;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(5px);
}

.modal-content {
	background-color: white;
	margin: 10% auto;
	padding: 30px;
	border-radius: 16px;
	width: 90%;
	max-width: 400px;
	position: relative;
	text-align: center;
	box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.close {
	color: #999;
	float: right;
	font-size: 28px;
	font-weight: bold;
	position: absolute;
	right: 15px;
	top: 10px;
	cursor: pointer;
	transition: color 0.3s ease;
}

.close:hover {
	color: #333;
}

.modal-content h3 {
	color: #333;
	margin-bottom: 20px;
	font-size: 24px;
}

.qr-code img {
	width: 200px;
	height: 200px;
	margin: 20px auto;
	display: block;
	border: 1px solid #eee;
	border-radius: 8px;
}

.qr-code p {
	color: #666;
	margin: 10px 0;
	font-size: 16px;
}

.qr-note {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white !important;
	padding: 12px 16px;
	border-radius: 8px;
	margin: 15px 0 !important;
	font-size: 16px !important;
	font-weight: 500;
}

.qr-note strong {
	color: #fff;
	font-weight: 700;
}

.qr-tip {
	font-size: 14px !important;
	color: #999 !important;
	background: #f8f9fa;
	padding: 10px;
	border-radius: 8px;
	margin-top: 15px !important;
}

.qr-tip strong {
	color: #667eea;
}




.cases {
	padding: 100px 0;
	background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
	position: relative;
}

.cases h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 70px;
	color: #333;
	position: relative;
}

.cases h2::after {
	content: '';
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 2px;
}

.cases-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
}

.case-item {
	background: white;
	border-radius: 20px;
	overflow: hidden;
	box-shadow: 0 8px 25px rgba(0,0,0,0.08);
	transition: all 0.3s ease;
	border: 1px solid #e9ecef;
}

.case-item:hover {
	transform: translateY(-10px);
	box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.case-item img {
	width: 100%;
	height: 200px;
	object-fit: cover;
}

.case-item h3 {
	font-size: 24px;
	margin: 20px 20px 15px;
	color: #333;
}

.case-item p {
	font-size: 14px;
	line-height: 1.6;
	margin: 5px 20px;
	color: #666;
}

.case-item p:last-child {
	margin-bottom: 20px;
}

.case-item strong {
	color: #667eea;
	font-weight: 600;
}

.contact {
	padding: 100px 0;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	position: relative;
	overflow: hidden;
}

.contact::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
	opacity: 0.3;
}

.contact h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 70px;
	color: white;
	position: relative;
	z-index: 2;
}

.contact h2::after {
	content: '';
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: rgba(255, 255, 255, 0.8);
	border-radius: 2px;
}

.contact-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	align-items: start;
	position: relative;
	z-index: 2;
}

.contact-info h3 {
	font-size: 32px;
	margin-bottom: 20px;
}

.contact-info > p {
	font-size: 18px;
	margin-bottom: 40px;
	line-height: 1.6;
}

.contact-methods {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.contact-method {
	padding: 20px;
	background: rgba(255,255,255,0.1);
	border-radius: 12px;
	backdrop-filter: blur(10px);
}

.contact-method h4 {
	font-size: 18px;
	margin-bottom: 10px;
}

.contact-method p {
	font-size: 16px;
	opacity: 0.9;
}

.service-process h3 {
	font-size: 32px;
	margin-bottom: 30px;
}

.process-steps {
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.step {
	padding: 20px;
	background: rgba(255,255,255,0.1);
	border-radius: 12px;
	backdrop-filter: blur(10px);
	font-size: 16px;
	line-height: 1.5;
}

.step span {
	display: block;
	font-size: 14px;
	opacity: 0.8;
	margin-top: 5px;
}
.menu{
	display: none;
	background-color: transparent;
	border: none;
	color: #333;
	font-size: 24px;
	cursor: pointer;
	transition: color 0.3s ease;
}

.menu:hover {
	color: #667eea;
}



/*响应式设计*/
@media screen and (max-width:968px){
 header ul{
  display: none;
 }
 
 header nav {
  position: fixed;
  top: -100vh;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  backdrop-filter: blur(20px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  visibility: hidden;
 }
 
 header nav.active {
  top: 0;
  visibility: visible;
 }
 
 header nav.active ul{
  display: flex;
  flex-direction: column;
  padding: 0;
  margin: 0;
  list-style: none;
  justify-content: center;
  align-items: center;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  gap: 20px;
 }
 
 header li {
  display: block;
  margin: 0;
  text-align: center;
 }
 
 header nav a {
  color: white !important;
  font-size: 32px;
  font-weight: 300;
  text-decoration: none;
  padding: 0;
  display: block;
  transition: all 0.3s ease;
 }
 
 header nav a:hover {
  color: #667eea !important;
 }
 header{
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
 }
 
 header h1,
 header a {
  color: #333;
 }
 
 header h1 {
  font-size: 20px;
  gap: 8px;
 }
 
 .logo {
  width: 24px;
  height: 24px;
  border-radius: 4px;
 }
 
 header a:hover {
  color: #667eea;
 }

 header h1{
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
 }
 .introduce {
  min-height: 100vh;
  padding: 120px 20px 60px;
 }
 
 .introduce h2{
  font-size: 36px;
  line-height: 1.3;
 }
 
 .introduce p{
  font-size: 16px;
  text-align: center;
 }
 
 .introduce strong {
  font-size: 18px;
 }
 
 .introduce a{
  font-size: 16px;
  padding: 12px 24px;
 }
 .conception{
  font-size: 16px;
  text-align: center;
  height: 80px;
 }
 .services-grid {
  grid-template-columns: 1fr;
  gap: 20px;
 }
 
 .service-item {
  padding: 20px;
 }
 
 .service-item h3 {
  font-size: 18px;
 }
 
 .service-item p {
  font-size: 14px;
 }
 .menu{
  display: block;
  background-color: transparent;
  color: #333;
  font-size: 28px;
  position: absolute;
  top: 25px;
  left: 20px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1001;
 }
 
 .menu:hover {
  color: #667eea;
 }
 
 .menu.active {
  color: #667eea;
 }
 .cases-grid {
  grid-template-columns: 1fr;
  gap: 20px;
 }
 
 .case-item img {
  height: 150px;
 }
 
 .contact-content {
  grid-template-columns: 1fr;
  gap: 40px;
 }
 
 .contact h2 {
  font-size: 32px;
 }
 
 .contact-info h3, .service-process h3 {
  font-size: 24px;
 }
 .about-brief h2 {
  font-size: 32px;
 }
 
 .about-brief p {
  font-size: 16px;
 }
 
 .advantages {
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
 }
 
 .advantage-item {
  padding: 20px;
 }

}

/* About Page Styles */
.about-hero {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 120px 0 80px;
	text-align: center;
}

.about-hero h1 {
	font-size: 56px;
	margin-bottom: 20px;
	font-weight: 700;
}

.hero-subtitle {
	font-size: 24px;
	opacity: 0.9;
	max-width: 600px;
	margin: 0 auto;
	line-height: 1.5;
}

.company-story {
	padding: 80px 0;
	background-color: #fff;
}

.company-story h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 40px;
	color: #333;
}

.story-content p {
	font-size: 18px;
	line-height: 1.8;
	margin-bottom: 20px;
	color: #666;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
}

.our-advantages {
	padding: 80px 0;
	background-color: #f8f9fa;
}

.our-advantages h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 60px;
	color: #333;
}

.advantages-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 30px;
}

.advantage-card {
	background: white;
	padding: 40px;
	border-radius: 16px;
	text-align: center;
	box-shadow: 0 4px 6px rgba(0,0,0,0.1);
	transition: transform 0.3s ease;
}

.advantage-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.advantage-icon {
	font-size: 48px;
	margin-bottom: 20px;
}

.advantage-card h3 {
	font-size: 24px;
	margin-bottom: 15px;
	color: #333;
}

.advantage-card p {
	font-size: 16px;
	line-height: 1.6;
	color: #666;
}

.tech-stack {
	padding: 80px 0;
	background-color: #fff;
}

.tech-stack h2 {
	font-size: 48px;
	text-align: center;
	margin-bottom: 60px;
	color: #333;
}

.tech-categories {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 40px;
}

.tech-category h3 {
	font-size: 24px;
	margin-bottom: 20px;
	color: #333;
	text-align: center;
}

.tech-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
}

.tech-tag {
	background: #007bff;
	color: white;
	padding: 8px 16px;
	border-radius: 20px;
	font-size: 14px;
	font-weight: 500;
}

.cta-section {
	padding: 80px 0;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	text-align: center;
	color: white;
}

.cta-section h2 {
	font-size: 48px;
	margin-bottom: 20px;
}

.cta-section p {
	font-size: 20px;
	margin-bottom: 40px;
	opacity: 0.9;
}

.cta-button {
	display: inline-block;
	background: white;
	color: #667eea;
	padding: 16px 32px;
	border-radius: 8px;
	text-decoration: none;
	font-size: 18px;
	font-weight: 600;
	transition: all 0.3s ease;
}

.cta-button:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Mobile styles for About page */
@media screen and (max-width:968px){
	.about-hero h1 {
		font-size: 36px;
	}
	
	.hero-subtitle {
		font-size: 18px;
	}
	
	.company-story h2,
	.our-advantages h2,
	.tech-stack h2,
	.cta-section h2 {
		font-size: 32px;
	}
	
	.advantages-grid {
		grid-template-columns: 1fr;
		gap: 20px;
	}
	
	.advantage-card {
		padding: 30px;
	}
	
	.tech-categories {
		grid-template-columns: 1fr;
		gap: 30px;
	}
}