* {
  box-sizing: border-box;
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  width: 100vw;
  min-height: 100vh;
  overflow-x: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 40px;
  animation: fadeIn 0.8s ease-out;
}

.logo {
  text-align: center;
  margin-bottom: 40px;
}

.logo img {
  max-width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.content {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 50px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: 42px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: 1px;
}

.meta {
  text-align: center;
  color: #b0b0b0;
  font-size: 14px;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meta p {
  margin: 4px 0;
}

h2 {
  font-size: 28px;
  font-weight: 600;
  color: #ffffff;
  margin-top: 40px;
  margin-bottom: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

p {
  font-size: 16px;
  line-height: 1.8;
  color: #e0e0e0;
  margin-bottom: 16px;
}

ul {
  margin: 16px 0 16px 24px;
  color: #e0e0e0;
}

li {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 12px;
}

li ul {
  margin-top: 8px;
  margin-bottom: 8px;
}

strong {
  color: #ffffff;
  font-weight: 600;
}

em {
  color: #b0b0b0;
  font-style: italic;
}

a {
  color: #4a9eff;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #6eb5ff;
  text-decoration: underline;
}

.back-link {
  text-align: center;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.back-link a {
  display: inline-block;
  padding: 12px 30px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #ffffff;
  font-weight: 500;
  transition: all 0.3s ease;
}

.back-link a:hover {
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
  transform: translateY(-2px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 1024px) {
  .content {
    padding: 40px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 24px;
  }
}

@media screen and (max-width: 600px) {
  .container {
    padding: 40px 20px;
  }

  .content {
    padding: 30px 24px;
  }

  .logo img {
    max-width: 150px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  p, li {
    font-size: 15px;
  }
}
