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

:root {
  --primary-color: #0066cc;
  --secondary-color: #004499;
  --accent-color: #ff6600;
  --text-color: #333;
  --light-text: #666;
  --bg-color: #f8f9fa;
  --white: #ffffff;
  --border-color: #e0e0e0;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
}

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

header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-section img {
  height: 50px;
  width: auto;
}

.logo-section .company-name {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  display: flex;
  align-items: center;
}

.logo-section .separator {
  font-size: 24px;
  color: var(--text-color);
  margin: 0 10px;
}

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

nav a {
  text-decoration: none;
  color: var(--text-color);
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.hero-banner {
  position: relative;
  height: 500px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  z-index: 2;
}

.banner-content h1 {
  font-size: 48px;
  margin-bottom: 20px;
  animation: fadeInUp 1s ease;
}

.banner-content p {
  font-size: 20px;
  margin-bottom: 30px;
  animation: fadeInUp 1s ease 0.3s backwards;
}

.banner-content .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--accent-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  animation: fadeInUp 1s ease 0.6s backwards;
}

.banner-content .cta-button:hover {
  background: #ff5500;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 102, 0, 0.3);
}

.banner-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.banner-animation .particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 36px;
  color: var(--primary-color);
  margin-bottom: 50px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: var(--accent-color);
  margin: 20px auto 0;
}

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

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  text-align: center;
}

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

.service-card h3 {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.service-card p {
  color: var(--light-text);
  line-height: 1.8;
}

.about-section {
  background: var(--white);
}

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

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.about-text h2 {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--light-text);
  margin-bottom: 15px;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-color);
  border-radius: 8px;
}

.stat-item .number {
  font-size: 36px;
  font-weight: bold;
  color: var(--accent-color);
  display: block;
}

.stat-item .label {
  font-size: 14px;
  color: var(--light-text);
}

.faq-section {
  background: var(--white);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.faq-item {
  background: var(--bg-color);
  padding: 25px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: #f0f5ff;
  box-shadow: var(--shadow);
}

.faq-item h4 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.faq-item p {
  color: var(--light-text);
  line-height: 1.8;
  font-size: 14px;
}

.contact-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
}

.contact-section .section-title {
  color: var(--white);
}

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

.contact-info {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
}

.contact-info h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.contact-info p {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.qr-codes {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}

.qr-codes img {
  width: 150px;
  height: 150px;
  border-radius: 8px;
  border: 3px solid var(--white);
}

footer {
  background: #1a1a1a;
  color: #999;
  text-align: center;
  padding: 20px 0;
}

footer p {
  font-size: 14px;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 15px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .banner-content h1 {
    font-size: 32px;
  }

  .banner-content p {
    font-size: 16px;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .qr-codes {
    flex-direction: column;
    align-items: center;
  }
}