/* 基础设置 */
:root {
  --primary: #165DFF;
  --primary-light: #E8F3FF;
  --secondary: #FF7D00;
  --secondary-light: #FFF3E0;
  --dark: #1D2129;
  --gray: #86909C;
  --light-gray: #F2F3F5;
  --white: #FFFFFF;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}



.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 排版 */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
}

p {
  margin-bottom: 1rem;
  color: var(--gray);
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

a:hover {
  color: var(--secondary);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #0E42D2;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(22, 93, 255, 0.2);
  color: var(--white);
}

.btn-secondary {
  background-color: var(--secondary);
}

.btn-secondary:hover {
  background-color: #E06A00;
  box-shadow: 0 6px 15px rgba(255, 125, 0, 0.2);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* 导航栏 */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: var(--transition);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
}

.logo i {
  margin-right: 10px;
  font-size: 1.8rem;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a:after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary);
  transition: var(--transition);
}

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* 英雄区域 */
.hero {
  padding: 150px 0 100px;
  background-color: var(--primary-light);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  z-index: 1;
  position: relative;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--dark);
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  max-width: 600px;
  opacity: 0.9;
}

.hero-image img {
  width: 100%;
  height: auto;
}

/* 服务区域 */
.services {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header p {
  font-size: 1.1rem;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  width: 70px;
  height: 70px;
  background-color: var(--primary-light);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon i {
  font-size: 1.8rem;
  color: var(--primary);
}

/* 特点区域 */
.features {
  padding: 100px 0;
  background-color: var(--light-gray);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.sfeature-item {
  background-color: var(--white);
  border-radius: 12px;
  padding: 25px;
  transition: var(--transition);
}

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

.sfeature-item i {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

/* 案例展示 */
.case-studies {
  padding: 100px 0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.case-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.case-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
  height: 200px;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.case-content {
  padding: 25px;
}

/* 客户评价 */
.testimonials {
  padding: 100px 0;
  background-color: var(--primary-light);
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-item {
  background-color: var(--white);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
  text-align: center;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

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

/* 联系区域 */
.contact {
  padding: 100px 0;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info {
  padding: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.contact-item i {
  color: var(--primary);
  font-size: 1.5rem;
  margin-top: 5px;
}

.contact-form {
  background-color: var(--light-gray);
  padding: 30px;
  border-radius: 12px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* 页脚 */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 80px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.footer-logo i {
  margin-right: 10px;
  color: var(--secondary);
}

.footer-links h4 {
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4:after {
  content: '';
  position: absolute;
  width: 40px;
  height: 3px;
  bottom: 0;
  left: 0;
  background-color: var(--secondary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--gray);
}

.footer-links a:hover {
  color: var(--secondary);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.social-links a:hover {
  background-color: var(--secondary);
  color: var(--white);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray);
}

/* SEO和多语言页面特有样式 */
.service-detail {
  padding: 30px 0 40px;
}

.service-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  align-items: center;
  margin-top: 100px;
  margin-bottom: 80px;
}

.service-detail-image {
  flex: 1;
  min-width: 300px;
}

.service-detail-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.service-detail-content {
  flex: 1;
  min-width: 300px;
}

.service-detail-content h1 {
  margin-bottom: 20px;
}

.service-detail-content p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.service-benefits {
  padding: 80px 0;
  background-color: #f2f6fe;
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.benefit-item {
  background-color: var(--white);
  border-radius: 12px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.benefit-item i {
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 20px;
}

.process {
  padding: 80px 0;
}

.process-steps {
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
}


.process-step {
	display: flex;
	width: 300px;
	    height: 240px;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 100px;
  height: 100px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(22, 93, 255, 0.2);
}

.step-content {
  text-align: center;
  max-width: 300px;
}

/* 常见问题 */
.faq {
  padding: 80px 0;
  background-color: var(--primary-light);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--white);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer.active {
  padding: 0 20px 20px;
  max-height: 500px;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-icon.active {
  transform: rotate(180deg);
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero-image {
    display: none;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    display: flex;
    flex-direction: column;
    gap: 50px;
  }
  
  .process-steps:before {
    width: 3px;
    height: 100%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    height: calc(100vh - 70px);
    align-items: center;
    justify-content: center;
    gap: 30px;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    margin: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .service-detail-header {
    flex-direction: column;
  }
  
  .hero {
    padding: 120px 0 80px;
  }
}

@media (max-width: 576px) {
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .services, .features, .case-studies, .testimonials, .contact {
    padding: 70px 0;
  }
  
  .service-detail {
    padding: 0 0 70px;
  }
}


/* 标题区域样式 */
.mlw-header {
    text-align: center;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.mlw-main-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    color: #1e293b;
}

.mlw-subtitle {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .mlw-subtitle {
        font-size: 1.1rem;
    }
}

/* 内容板块网格布局 */
.mlw-cards-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .mlw-cards-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (min-width: 1024px) {
    .mlw-cards-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

/* 卡片通用样式 */
.mlw-card {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 24px;
    border-left: 4px solid #2563eb;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
}

.mlw-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 卡片内部布局 */
.mlw-card-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.mlw-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.mlw-card-icon i {
    color: #2563eb;
    font-size: 18px;
}

.mlw-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
}

.mlw-card-content {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.7;
}

/* 重点数据样式 */
.mlw-stat {
    color: #f97316;
    font-weight: 600;
}

/* 卡片跨列设置 */
@media (min-width: 768px) {
    .mlw-card-span-2 {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .mlw-card-span-1-lg {
        grid-column: span 1;
    }
    
    .mlw-card-span-2-lg {
        grid-column: span 2;
    }
}

/* 分隔线样式 */
.mlw-divider {
    margin: 40px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mlw-divider-line {
    width: 96px;
    height: 1px;
    background-color: #e2e8f0;
}

.mlw-divider-text {
    margin: 0 16px;
    font-size: 0.85rem;
    color: #2563eb;
}