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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.container {
  max-width: 640px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.logo {
  width: 80px;
  height: 80px;
  display: block;
  margin: 0 auto 1.5rem;
}

h1 {
  font-size: 1.75rem;
  color: #1a1a2e;
  margin-bottom: 0.5rem;
  text-align: center;
}

h2 {
  font-size: 1.25rem;
  color: #4a4a6a;
  font-weight: 400;
  margin-bottom: 2rem;
  text-align: center;
}

.section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e8e8f0;
}

.section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

p {
  font-size: 1rem;
  line-height: 1.8;
  color: #333;
  margin-bottom: 0.75rem;
}

p:last-child {
  margin-bottom: 0;
}

.highlight {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1a1a2e;
}

.highlight-cn {
  font-size: 1.125rem;
  font-weight: 600;
  color: #667eea;
  margin-top: 0.5rem;
}

.cn {
  color: #555;
  font-size: 0.95rem;
}