/* 全局样式 */
:root {
  --primary-color: #00f3ff;
  --secondary-color: #ff00c8;
  --dark-bg: #0a0a1a;
  --darker-bg: #050510;
  --light-text: #ffffff;
  --gray-text: #aaa;
  --transition: all 0.3s ease;
  --gradient: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark-bg);
  color: var(--light-text);
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
}

.btn.primary {
  background: var(--gradient);
  color: var(--darker-bg);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 243, 255, 0.4);
}

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

.btn.secondary:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: translateY(-3px);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient);
  margin: 15px auto;
  border-radius: 2px;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  background: rgba(10, 10, 26, 0.8);
}

.navbar.scrolled {
  padding: 15px 0;
  background: rgba(5, 5, 16, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo h2 {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.8rem;
  letter-spacing: 2px;
}

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

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

.nav-link {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 5px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

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

.lang-toggle {
  background: var(--gradient);
  border: none;
  color: var(--darker-bg);
  padding: 8px 15px;
  border-radius: 20px;
  font-weight: bold;
  cursor: pointer;
  margin-left: 30px;
  transition: var(--transition);
}

.lang-toggle:hover {
  transform: scale(1.05);
}

/* 主页部分样式 */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, var(--dark-bg) 0%, var(--darker-bg) 70%);
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-container {
  width: 100%;
  text-align: center;
  padding: 0 20px;
  z-index: 2;
  position: relative;
}

.opening-animation {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.left-door, .right-door {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--darker-bg);
  z-index: 10;
}

.left-door {
  left: 0;
}

.right-door {
  right: 0;
}

.hero-content-inner {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 40px;
  color: var(--gray-text);
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}

.hero-buttons {
  animation: fadeInUp 1s ease 0.4s forwards;
  opacity: 0;
}

.hero-buttons .btn {
  margin: 0 10px;
}

/* 服务部分样式 */
.services {
  padding: 100px 0;
  background: var(--darker-bg);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><polygon points="0,0 100,100 0,100" fill="rgba(0,243,255,0.03)"/></svg>');
  background-size: 50px 50px;
  opacity: 0.5;
}

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

.service-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 243, 255, 0.2);
  border-color: rgba(0, 243, 255, 0.3);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

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

.service-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.service-desc {
  color: var(--gray-text);
}

/* 关于我们部分样式 */
.about {
  padding: 100px 0;
  background: var(--dark-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--gray-text);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  transition: var(--transition);
}

.stat-item:hover {
  transform: scale(1.05);
  background: rgba(0, 243, 255, 0.1);
}

.stat-item h3 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 联系我们部分样式 */
.contact {
  padding: 100px 0;
  background: var(--darker-bg);
}

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

.contact-item {
  margin-bottom: 30px;
}

.contact-item h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.contact-item p {
  font-size: 1.1rem;
  color: var(--gray-text);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light-text);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 243, 255, 0.2);
}

/* 页脚样式 */
.footer {
  background: var(--darker-bg);
  padding: 50px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo h2 {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 2rem;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  margin-bottom: 30px;
}

.footer-links a {
  color: var(--gray-text);
  margin: 0 15px;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-copyright {
  text-align: center;
  color: var(--gray-text);
  font-size: 0.9rem;
}

.footer-copyright p {
  margin: 5px 0;
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes doorOpenLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

@keyframes doorOpenRight {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes cabinDoorOpen {
  0% {
    transform: scale(1, 1);
  }
  50% {
    transform: scale(1, 0.5);
  }
  100% {
    transform: scale(0, 0);
  }
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-links a {
    margin: 5px 10px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-buttons .btn {
    display: block;
    width: 80%;
    margin: 10px auto;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .service-card {
    padding: 30px 20px;
  }
}