@charset "UTF-8";

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

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

.header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
  padding: 15px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #00d4ff;
}

.logo span {
  color: #fff;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: #fff;
  font-size: 16px;
  transition: color 0.3s;
  padding: 5px 0;
}

.nav a:hover,
.nav a.active {
  color: #00d4ff;
}

.header-btns {
  display: flex;
  gap: 15px;
}

.btn {
  padding: 10px 25px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #00b8e6 0%, #007aa3 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,212,255,0.4);
}

.btn-secondary {
  background: transparent;
  color: #00d4ff;
  border: 2px solid #00d4ff;
}

.btn-secondary:hover {
  background: #00d4ff;
  color: #1a1a2e;
}

.btn-large {
  padding: 15px 40px;
  font-size: 16px;
}

.mobile-menu {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: #fff;
  padding: 150px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: bold;
}

.hero h1 span {
  color: #00d4ff;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
  color: #ccc;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 36px;
  color: #1a1a2e;
  margin-bottom: 15px;
}

.section-title p {
  color: #666;
  font-size: 16px;
}

.bg-dark {
  background: #1a1a2e;
  color: #fff;
}

.bg-dark .section-title h2 {
  color: #fff;
}

.bg-dark .section-title p {
  color: #ccc;
}

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

.feature-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 36px;
  color: #fff;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #1a1a2e;
}

.feature-card p {
  color: #666;
  line-height: 1.8;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-size: 48px;
  color: #00d4ff;
  margin-bottom: 10px;
}

.stat-item p {
  font-size: 16px;
  color: #ccc;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.product-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-img {
  height: 200px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00d4ff;
  font-size: 60px;
}

.product-info {
  padding: 30px;
}

.product-info h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #1a1a2e;
}

.product-info p {
  color: #666;
  margin-bottom: 20px;
  line-height: 1.8;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-item {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0,0,0,0.1);
  display: flex;
  gap: 20px;
  transition: transform 0.3s;
}

.news-item:hover {
  transform: translateX(5px);
}

.news-date {
  min-width: 80px;
  text-align: center;
  padding: 15px;
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  color: #fff;
  border-radius: 10px;
}

.news-date .day {
  font-size: 32px;
  font-weight: bold;
  display: block;
}

.news-date .month {
  font-size: 14px;
}

.news-content h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #1a1a2e;
}

.news-content p {
  color: #666;
  line-height: 1.8;
}

.news-meta {
  margin-top: 10px;
  color: #999;
  font-size: 14px;
}

.breadcrumb {
  background: #16213e;
  padding: 15px 0;
  color: #ccc;
  margin-top: 70px;
}

.breadcrumb a {
  color: #00d4ff;
}

.breadcrumb span {
  margin: 0 10px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  height: 400px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00d4ff;
  font-size: 80px;
}

.about-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
  color: #1a1a2e;
}

.about-text p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 24px;
  margin-bottom: 30px;
  color: #1a1a2e;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}

.contact-item h4 {
  font-size: 18px;
  margin-bottom: 5px;
  color: #1a1a2e;
}

.contact-item p {
  color: #666;
}

.contact-form {
  background: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: bold;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #00d4ff;
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.news-detail {
  background: #fff;
  padding: 50px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-detail h1 {
  font-size: 32px;
  margin-bottom: 20px;
  color: #1a1a2e;
}

.news-detail-meta {
  color: #999;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.news-detail-content {
  color: #666;
  line-height: 2;
}

.news-detail-content p {
  margin-bottom: 20px;
}

.news-detail-content h2 {
  color: #1a1a2e;
  margin: 30px 0 15px;
  font-size: 24px;
}

.footer {
  background: #0f0f1e;
  color: #ccc;
  padding: 60px 0 20px;
}

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

.footer-section h3 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 18px;
}

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

.footer-section ul li a {
  color: #ccc;
  transition: color 0.3s;
}

.footer-section ul li a:hover {
  color: #00d4ff;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #333;
}

.cta-section {
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 30px;
}

.cta-section .btn {
  background: #fff;
  color: #0099cc;
}

.cta-section .btn:hover {
  background: #f0f0f0;
}

.keywords-section {
  background: #f0f0f0;
  padding: 40px 0;
}

.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.keyword-tag {
  background: #fff;
  padding: 8px 20px;
  border-radius: 20px;
  color: #666;
  font-size: 14px;
  border: 1px solid #ddd;
}

.keyword-tag:hover {
  background: #00d4ff;
  color: #fff;
  border-color: #00d4ff;
}

.floating-btns {
  position: fixed;
  right: 20px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}

.floating-btn {
  padding: 12px 20px;
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  color: #fff;
  border-radius: 25px;
  font-weight: bold;
  box-shadow: 0 5px 15px rgba(0,212,255,0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #1a1a2e;
    flex-direction: column;
    padding: 20px;
    gap: 15px;
  }
  
  .nav.active {
    display: flex;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .header-btns {
    display: none;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero h1 {
    font-size: 28px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .section-title h2 {
    font-size: 28px;
  }
  
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .news-date {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: auto;
  }
  
  .news-date .day,
  .news-date .month {
    display: inline;
  }
  
  .floating-btns {
    right: 10px;
    bottom: 80px;
  }
  
  .floating-btn {
    padding: 10px 15px;
    font-size: 14px;
  }
}