/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: #ffffff;
  color: #333;
  line-height: 1.6;
  font-size: 14px;
}

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

ul {
  list-style: none;
  padding-left: 0;
}

/* 统一顶部导航栏 */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid #e0e0e0;
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo {
  height: 64px;
  width: auto;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-left a {
  color: #097cce;
  font-weight: 500;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-left a:hover {
  background-color: #f0f8ff;
  color: #0066cc;
}

.nav-right {
  font-weight: bold;
  font-size: 20px;
  color: #0077ff;
}

/* 统一底部样式 */
footer {
  text-align: center;
  padding: 30px 20px;
  font-size: 14px;
  color: #777;
  background-color: #f8f9fa;
  border-top: 1px solid #e0e0e0;
  margin-top: 40px;
}

/* 主页样式 */
.hero {
  display: flex;
  padding: 80px 60px;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1482cc 0%, #2db1e6 100%);
  position: relative;
  min-height: 400px;
}

.hero-text {
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
  z-index: 2;
}

.hero-text h1 {
  font-size: 32px;
  margin-bottom: 24px;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.3;
}

.hero-text p {
  margin-bottom: 24px;
  font-size: 18px;
  color: #ffffff;
  line-height: 1.6;
}

.cta-button {
  background-color: #ffffff;
  color: rgb(5, 148, 219);
  padding: 16px 32px;
  margin-top: 32px;
  border: none;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(4, 81, 223, 0.161);
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: #0066cc;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 119, 255, 0.4);
}

/* 核心业务 */
.core-business {
  display: flex;
  padding: 60px 40px;
  justify-content: center;
}

.business-left {
  flex: 1;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.business-left h2 {
  font-size: 28px;
  margin-bottom: 20px;
  color: #333;
}

.business-left > p {
  font-size: 18px;
  margin-bottom: 40px;
  color: #666;
}

.services-container {
  display: flex;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

.service-item {
  flex: 1;
  min-width: 300px;
  max-width: 350px;
  position: relative;
  height: 250px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background-size: cover;
  background-position: center;
}

.service-item:nth-child(1) {
  background-image: url('image/tjxt.jpg');
}

.service-item:nth-child(2) {
  background-image: url('image/pddj.jpg');
}

.service-item:nth-child(3) {
  background-image: url('image/jkgj.jpg');
}

.service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 20px;
  text-align: left;
  color: white;
}

.service-overlay h3 {
  margin: 0 0 10px 0;
  font-size: 20px;
}

.service-overlay p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

/* 通用标题样式 */
.section-title {
  text-align: center;
  font-size: 28px;
  margin: 50px 0 30px 0;
  color: #333;
  font-weight: 600;
}

/* 系统优势 */
.advantages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 40px;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.advantage-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(25% - 20px);
  min-width: 200px;
  padding: 30px 20px;
  box-sizing: border-box;
  text-align: center;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.advantage-item:nth-child(odd) {
  background-color: #f0f8ff;
}

.advantage-item:nth-child(even) {
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.advantage-item img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  margin-bottom: 15px;
}

.advantage-item .text strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  color: #333;
}

/* 产品矩阵 */
.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 40px;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px auto;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(33.33% - 30px);
  min-width: 250px;
  padding: 30px 20px;
  box-sizing: border-box;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.feature-item:nth-child(odd) {
  background-color: #f0f8ff;
}

.feature-item:nth-child(even) {
  background-color: #ffffff;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.feature-item img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  margin-bottom: 15px;
}

.feature-item .text strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  color: #333;
}

/* 产品页面特有样式 */
.hero-product {
  display: flex;
  padding: 60px 40px;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid #e0e0e0;
}

.hero-product .hero-text {
  flex: 1;
  padding-right: 40px;
  color: #333;
}

.hero-product .hero-text h1 {
  font-size: 28px;
  margin-bottom: 20px;
  color: #333;
}

.hero-product .hero-text p {
  margin-bottom: 20px;
  font-size: 16px;
  color: #666;
}

.hero-image {
  flex-shrink: 0;
}

.hero-image img {
  width: 300px;
  height: auto;
  border-radius: 8px;
}

/* 核心功能 */
.core-functions {
  display: flex;
  flex-wrap: wrap;
  padding: 60px 40px;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.function-item {
  display: flex;
  align-items: flex-start;
  width: calc(50% - 20px);
  min-width: 300px;
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.function-item:hover {
  background-color: #e9ecef;
  transform: translateY(-2px);
}

.function-item .icon {
  font-size: 24px;
  color: #0077ff;
  margin-right: 15px;
  margin-top: 5px;
}

/* 核心模块 */
.modules {
  display: flex;
  flex-wrap: wrap;
  padding: 60px 40px;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.module-item {
  width: calc(33.33% - 20px);
  min-width: 280px;
  background-color: #f9f9f9;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
}

.module-item:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.module-item h3 {
  margin-bottom: 15px;
  color: #0077ff;
  font-size: 18px;
}

.module-item li {
  margin-bottom: 8px;
  font-size: 14px;
  color: #555;
}

/* 技术优势 */
.tech-advantages {
  display: flex;
  flex-wrap: wrap;
  padding: 60px 40px;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-item {
  display: flex;
  align-items: flex-start;
  width: calc(50% - 20px);
  min-width: 300px;
  padding: 20px;
  background-color: #f0f8ff;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.tech-item:hover {
  background-color: #e6f3ff;
  transform: translateY(-2px);
}

.tech-item .icon {
  font-size: 24px;
  color: #0077ff;
  margin-right: 15px;
  margin-top: 5px;
}

/* 解决方案页面样式 */
.hero-solution {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 40px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid #e0e0e0;
}

.hero-solution .hero-txt {
  flex: 1;
  padding-right: 50px;
}

.hero-solution .hero-txt h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #333;
}

.hero-solution .hero-txt p {
  font-size: 16px;
  color: #666;
}

.hero-solution .hero-pic {
  width: 320px;
  flex-shrink: 0;
}

.hero-solution .hero-pic img {
  border-radius: 8px;
}

/* 数字指标 */
.numbers {
  display: flex;
  justify-content: center;
  gap: 100px;
  padding: 60px 0;
  background-color: #f8f9fa;
}

.num-item {
  text-align: center;
}

.num {
  font-size: 36px;
  font-weight: 700;
  color: #0077ff;
  margin-bottom: 8px;
}

.num span {
  margin-left: 2px;
}

.lab {
  font-size: 14px;
  color: #666;
  font-weight: 500;
}

/* 卡片列表 */
.cards {
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  display: flex;
  align-items: center;
  gap: 40px;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 40px;
  background: #ffffff;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}

.card:nth-child(even) {
  flex-direction: row-reverse;
}

.card-tit {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

.card-desc {
  font-size: 14px;
  color: #0077ff;
  margin-bottom: 15px;
}

.card ul {
  flex: 1;
}

.card li {
  margin: 8px 0;
  font-size: 14px;
  color: #555;
}

.card-pic {
  width: 240px;
  flex-shrink: 0;
}

.card-pic img {
  border-radius: 8px;
}

/* 关于我们页面样式 */
.hero-about {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 40px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid #e0e0e0;
}

.hero-about .hero-txt {
  flex: 1;
  padding-right: 50px;
}

.hero-about .hero-txt h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #333;
}

.hero-about .hero-txt p {
  font-size: 16px;
  color: #666;
}

.hero-about .hero-pic {
  width: 320px;
  flex-shrink: 0;
}

/* 企业简介 */
.intro {
  display: flex;
  gap: 40px;
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.intro p {
  flex: 1;
  text-align: justify;
  font-size: 16px;
  line-height: 1.8;
  color: #555;
}

.intro-pic {
  width: 300px;
  flex-shrink: 0;
}

/* 企业使命 */
.mission {
  display: flex;
  gap: 80px;
  justify-content: center;
  padding: 60px 0;
  background-color: #f8f9fa;
}

.m-item {
  font-size: 20px;
  font-weight: 600;
  color: #0077ff;
  padding: 20px 30px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* 价值观 */
.values {
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.values > p {
  margin-bottom: 30px;
  font-size: 16px;
  text-align: center;
  color: #666;
}

.v-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: 8px;
}

.v-icon {
  font-size: 24px;
  color: #0077ff;
}

.v-txt {
  font-size: 16px;
}

/* 专业团队 */
.teams {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.team-card {
  width: calc(33.33% - 20px);
  min-width: 280px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.team-card:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}

.team-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #0077ff;
}

.team-card p {
  font-size: 14px;
  margin-bottom: 15px;
  color: #666;
}

.team-card li {
  font-size: 13px;
  margin: 6px 0;
  color: #555;
}

/* 联系我们 */
.contact {
  display: flex;
  gap: 60px;
  justify-content: center;
  padding: 60px 40px;
  background-color: #f8f9fa;
}

.c-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.c-icon {
  font-size: 22px;
  color: #0077ff;
}

.c-txt {
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .top-bar {
    flex-direction: column;
    gap: 15px;
    padding: 15px 20px;
  }
  
  .nav-left {
    gap: 20px;
  }
  
  .hero, .hero-product, .hero-solution, .hero-about {
    flex-direction: column;
    text-align: center;
    padding: 40px 20px;
  }
  
  .hero-text, .hero-txt {
    padding-right: 0;
    margin-bottom: 30px;
  }
  
  .advantages {
    padding: 20px;
  }
  
  .advantage-item {
    width: calc(50% - 10px);
    min-width: 150px;
  }
  
  .features {
    padding: 20px;
  }
  
  .feature-item {
    width: 100%;
  }
  
  .cards {
    padding: 40px 20px;
  }
  
  .card {
    flex-direction: column !important;
    text-align: center;
  }
  
  .numbers {
    gap: 40px;
    padding: 40px 20px;
  }
  
  .teams {
    padding: 40px 20px;
  }
  
  .team-card {
    width: 100%;
  }
  
  .contact {
    flex-direction: column;
    gap: 20px;
    padding: 40px 20px;
  }
}