* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: #fdfaf2;
  color: #3b3a36;
  font-family: Georgia, "Times New Roman", Times, serif;
  line-height: 1.7;
}
.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  background-color: #ffffff;
  border-left: 1px solid #e7e2d7;
  border-right: 1px solid #e7e2d7;
  min-height: 100vh;
}
header {
  border-bottom: 3px double #b38644;
  padding: 40px;
  text-align: center;
}
.portal-title {
  font-size: 2.5rem;
  color: #800020;
  font-weight: normal;
  letter-spacing: 1px;
}
.portal-sub { font-size: 0.9rem; font-style: italic; color: #b38644; margin-top: 5px; }
nav {
  border-bottom: 1px solid #e7e2d7;
  display: flex;
  justify-content: center;
  background-color: #faf8f5;
}
nav a {
  padding: 15px 30px;
  text-decoration: none;
  color: #555450;
  font-size: 0.95rem;
  border-right: 1px solid #e7e2d7;
  transition: background-color 0.3s;
}
nav a:hover, nav a.active { background-color: #f5f0e6; color: #800020; }
.main-layout { display: flex; }
.main-content { flex: 3; padding: 40px; }
.sidebar { flex: 1; padding: 40px 30px; border-left: 1px solid #e7e2d7; background-color: #fbfbf9; }
.article-title { font-size: 1.8rem; color: #800020; font-weight: normal; margin-bottom: 15px; }
.meta-info { font-size: 0.85rem; color: #b38644; font-style: italic; margin-bottom: 20px; }
.sidebar-section h4 { font-size: 1.1rem; color: #800020; font-weight: normal; margin-bottom: 15px; border-bottom: 1px solid #b38644; padding-bottom: 5px; }
.sidebar-list { list-style: none; }
.sidebar-list li { margin-bottom: 12px; font-size: 0.9rem; }
.sidebar-list a { color: #555450; text-decoration: none; }
.sidebar-list a:hover { color: #800020; }
.form-input {
  width: 100%;
  padding: 10px;
  border: 1px solid #b38644;
  font-family: inherit;
  margin-top: 5px;
}
.btn-classic {
  background-color: #800020;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  margin-top: 15px;
  font-family: inherit;
}
.btn-classic:hover { background-color: #b38644; }
.footer { border-top: 3px double #b38644; padding: 30px; text-align: center; font-size: 0.85rem; color: #777672; }