:root {
  --primary-green: #4CAF50;
  --primary-blue: #2196F3;
  --primary-orange: #FF9800;
  --dark-gray: #333333;
  --light-gray: #F5F5F5;
  --white: #FFFFFF;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

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

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

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

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

.logo span {
  color: var(--primary-blue);
}

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

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

.nav-links a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  transition: var(--transition);
}

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

.cta-button {
  background-color: var(--primary-orange);
  color: var(--white);
  padding: 10px 25px;
  border-radius: 30px;
  font-weight: 500;
  transition: var(--transition);
}

.cta-button:hover {
  background-color: #e68900;
  color: var(--white);
  transform: translateY(-3px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-green);
  cursor: pointer;
}

/* 首页Banner */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/static/image/game/b-01.jpg');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 180px 0 120px;
  text-align: center;
  margin-top: 70px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 40px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: inline-block;
}

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

.btn-primary:hover {
  background-color: #3d8b40;
  transform: translateY(-3px);
}

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

/* 产品服务区 */
.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--dark-gray);
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h2:after {
  content: '';
  position: absolute;
  width: 70px;
  height: 4px;
  background-color: var(--primary-green);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.services {
  padding: 100px 0;
  background-color: var(--light-gray);
}

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

.service-card {
  background-color: var(--white);
  border-radius: 10px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
  width: 80px;
  height: 80px;
  background-color: rgba(76, 175, 80, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-icon i {
  font-size: 2.5rem;
  color: var(--primary-green);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--dark-gray);
}

/* 解决方案 */
.solutions {
  padding: 100px 0;
}

.solution-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 10px;
}

.tab-btn {
  padding: 12px 30px;
  background-color: var(--white);
  border: 2px solid var(--primary-green);
  border-radius: 30px;
  color: var(--primary-green);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background-color: var(--primary-green);
  color: var(--white);
}

.solution-content {
  background-color: var(--light-gray);
  border-radius: 10px;
  padding: 40px;
  display: none;
}

.solution-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* 联系我们 */
.contact {
  padding: 100px 0;
  background-color: var(--light-gray);
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary-blue);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
}

.contact-detail i {
  font-size: 1.2rem;
  color: var(--primary-green);
  margin-right: 15px;
  margin-top: 5px;
}

.contact-form {
  background-color: var(--white);
  padding: 40px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: 'Noto Sans SC', sans-serif;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-green);
}

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

.submit-btn {
  background-color: var(--primary-green);
  color: var(--white);
  border: none;
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.submit-btn:hover {
  background-color: #3d8b40;
}

/* 页脚 */
footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 60px 0 30px;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-logo span {
  color: var(--primary-blue);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

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

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: var(--transition);
}

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

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

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-green);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #666;
  font-size: 0.9rem;
}

.copyright-text {
  display: flex;
  justify-content: center;
  align-items: center;
}

.shuxian {
  margin: 0 6px;
}

.copyright a {
  color: #666;
}

.beianicon {
  width: 15px;
  height: 15px;
  margin-right: 3px;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    margin: 10px 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding: 150px 0 80px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn {
    padding: 12px 25px;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 80%;
    text-align: center;
  }

  .solution-tabs {
    flex-direction: column;
  }

  .tab-btn {
    text-align: center;
  }
}

.footer-contact .fas {
  display: inline-block;
  width: 24px;
  opacity: 0.5;
}

.logoimg {
  width: 32px;
  height: 32px;
  margin-right: 20px;
  user-select: none;
}