body {
  background-color: #f5f7fa;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header.topo {
  width: 100%;
  background: #004aad;
  padding: 80px 0 60px 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  margin-bottom: 30px;
  position: relative;
  background-size: cover;
  background-position: center;
}
header h1 {
  margin: 0;
  text-align: center;
  color: white;
  font-size: 1.8em;
  text-shadow: 1px 1px 3px #000;
}
.menu-toggle {
  display: none;
  background: #004aad;
  color: white;
  border: none;
  padding: 10px 15px;
  font-size: 1.3em;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  border-radius: 6px;
}
.menu-principal ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.menu-principal li {
  display: inline-block;
  margin: 0 24px;
}
.menu-principal a {
  text-decoration: none;
  color: white;
  font-size: 1.2em;
  font-weight: bold;
  transition: 0.3s;
}
.menu-principal a:hover {
  color: #ffdd00;
}
.linha {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  padding: 20px;
}
.bloco {
  flex: 1 1 22%;
  background: #ffffff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  min-width: 280px;
  transition: transform 0.2s ease;
}
.bloco:hover {
  transform: translateY(-5px);
}
.bloco h2 {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #003a8c;
}
.botao {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 20px;
  background: #004aad;
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: bold;
  font-size: 1em;
  transition: all 0.3s;
}
.botao:hover {
  background: #002e70;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.avisos-resumidos, .documentos-links, .noticias-resumidas {
  list-style: none;
  padding: 0;
}
.avisos-resumidos li, .documentos-links li, .noticias-resumidas li {
  margin-bottom: 14px;
  line-height: 1.6;
  font-size: 1em;
}
.documentos-links a {
  text-decoration: none;
  color: #004aad;
}
.documentos-links a:hover {
  text-decoration: underline;
}
form input[type="text"], form textarea, form input[type="file"], form select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1em;
}
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .menu-principal ul {
    display: none;
    flex-direction: column;
    background: #004aad;
    padding: 10px;
    margin-top: 10px;
  }
  .menu-principal ul.show {
    display: flex;
  }
  .menu-principal li {
    display: block;
    margin: 10px 0;
  }
  .linha {
    flex-direction: column;
    gap: 20px;
    padding: 12px;
  }
  .bloco {
    flex: 1 1 100%;
    padding: 28px;
    margin: 0 10px;
  }
  .bloco h2 {
    font-size: 1.6em;
  }
  .botao {
    font-size: 1.1em;
    width: 100%;
    text-align: center;
    padding: 14px;
  }
  .avisos-resumidos li, .documentos-links li {
    font-size: 1.1em;
  }
}