main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 2rem 3rem;
  animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.container {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 20px 60px var(--shadow);
  transition: all 0.3s ease;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  text-align: center;
}

.last-update {
  background: var(--gradient-2);
  border-left: 3px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.last-update strong {
  color: var(--text-primary);
  font-weight: 600;
}

.intro-text {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 3rem;
  line-height: 1.8;
}

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 3rem 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}

h2::before {
  content: "";
  width: 4px;
  height: 100%;
  background: var(--gradient-1);
  border-radius: 2px;
  position: absolute;
  left: -1.25rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.8;
  font-size: 0.95rem;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

u {
  /* text-decoration: none; */
  color: var(--text-primary);
  font-weight: 500;
}

.container-url {
  color: inherit;
}

.container small {
  line-height: 1.8;
}

@media (max-width: 768px) {
  main {
    margin: 2rem auto;
    padding: 0 1.5rem 2rem;
  }

  .container {
    padding: 2rem 1.5rem;
    border-radius: 20px;
  }

  .page-title {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
  }

  h2::before {
    left: -1rem;
  }

  .intro-text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1.5rem 1rem;
  }

  .page-title {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.25rem;
  }
}
