/* Base Styles */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f0f0f0;
  margin: 0;
  padding: 0;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

/* Reset Lists */
ul, ol {
  list-style: none;
  padding: 0;
}
ul li, ol li {
  margin: 0;
  padding: 0;
}

/* Links */
a {
  text-decoration: none;
  color: #007bff;
}
a:hover {
  color: #0056b3;
}

/* Thumbnail Ratio */
.thumbnail {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
}

/* Header */
header {
  background-color: #2c3e50;
  padding: 15px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo img {
  max-height: 50px;
  margin-left: 15px;
}
nav ul {
  display: flex;
  margin: 0;
}
nav ul li {
  margin: 0 10px;
  position: relative;
}
nav ul li a {
  color: white;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background 0.3s;
}
nav ul li a:hover {
  background: rgba(255,255,255,0.1);
}
.hamburger {
  display: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  margin-right: 15px;
  padding: 5px;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: white;
  padding: 30px 0;
  margin-top: 40px;
}
.footer-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-left, .footer-middle, .footer-right {
  flex: 1;
  min-width: 250px;
  padding: 0 15px;
  margin-bottom: 20px;
}
.footer-left p, .footer-right p {
  margin: 8px 0;
  font-size: 0.9em;
}
.footer-middle ul li {
  margin: 8px 0;
  display: inline-block;
}
.footer-middle ul li a {
  color: #ddd;
  transition: color 0.3s;
}
.footer-middle ul li a:hover {
  color: white;
}

/* Index Page */
.main-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 30px 0;
}
.article-item {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}
.article-item:hover {
  transform: translateY(-5px);
}
.article-item h3 {
  margin: 15px 15px 10px;
  font-size: 1.1em;
  line-height: 1.4;
}
.article-item .pubdate {
  margin: 0 15px 15px;
  color: #666;
  font-size: 0.85em;
}
.second-row {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
}
.left-column {
  flex: 7;
}
.right-column {
  flex: 3;
}
.category-block {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 25px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.category-block h2 {
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}
.category-block ul li {
  padding: 10px 0;
  border-bottom: 1px solid #f5f5f5;
  display: flex;
  justify-content: space-between;
}
.category-block ul li:last-child {
  border-bottom: none;
}
.widget {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.widget h3 {
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 8px;
}
.widget ul li {
  padding: 10px 0;
  border-bottom: 1px solid #f5f5f5;
  display: flex;
  justify-content: space-between;
}
.widget ul li:last-child {
  border-bottom: none;
}
.widget .thumbnail {
  width: 80px;
  margin-right: 12px;
}
.friends-link {
  background: white;
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.friends-link h3 {
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}
.friends-link div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.friends-link a {
  padding: 5px 12px;
  background: #f5f7fa;
  border-radius: 4px;
  transition: all 0.3s;
}
.friends-link a:hover {
  background: #e9ecef;
  transform: translateY(-2px);
}

/* List Page */
.content {
  display: flex;
  gap: 30px;
  margin: 25px 0;
}
.breadcrumb {
  padding: 12px 0;
  color: #666;
  font-size: 0.9em;
}
.breadcrumb a {
  color: #007bff;
}
.article-item-list {
  display: flex;
  gap: 20px;
  background: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.article-item-list .thumbnail {
  width: 120px;
  flex-shrink: 0;
}
.article-item-list h3 {
  margin: 0 0 8px;
  font-size: 1.1em;
}
.pagination {
  margin-top: 30px;
  text-align: center;
}
.pagination ul {
  display: inline-flex;
  gap: 8px;
}
.pagination ul li {
  display: inline-block;
}
.pagination a {
  display: block;
  padding: 8px 15px;
  background: white;
  border-radius: 4px;
  border: 1px solid #ddd;
  transition: all 0.3s;
}
.pagination a:hover, .pagination .active a {
  background: #007bff;
  color: white;
  border-color: #007bff;
}

/* Article Page */
article {
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  margin-bottom: 30px;
}
article h1 {
  margin-top: 0;
  font-size: 1.8em;
  line-height: 1.3;
}
.article-info {
  margin: 15px 0 25px;
  font-size: 0.9em;
  color: #666;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}
.article-body {
  line-height: 1.8;
}
.article-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 4px;
}
.article-body h2, .article-body h3, .article-body h4, .article-body h5 {
  margin: 25px 0 15px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}
.article-body ul {
  list-style-type: disc;
  padding-left: 25px;
  margin: 15px 0;
}
.article-body ol {
  list-style-type: decimal;
  padding-left: 25px;
  margin: 15px 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.article-body th {
  background: #f5f7fa;
  text-align: left;
}
.article-body th, .article-body td {
  border: 1px solid #ddd;
  padding: 12px 15px;
}
.article-body tr:nth-child(even) {
  background-color: #f9f9f9;
}
.prev-next {
  margin: 25px 0;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 8px;
}
.prev-next p {
  margin: 8px 0;
}
.related-articles {
  margin-top: 30px;
}
.related-articles ul li {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}
.related-articles ul li:last-child {
  border-bottom: none;
}

/* Responsive */
@media (max-width: 992px) {
  .main-row {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
  .article-item-list {
    flex-direction: column;
  }
  .article-item-list .thumbnail {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  nav ul {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: #2c3e50;
    flex-direction: column;
    padding: 15px 0;
    z-index: 99;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
  }
  nav ul.show {
    display: flex;
  }
  nav ul li {
    margin: 0;
    text-align: center;
  }
  nav ul li a {
    display: block;
    padding: 12px;
  }
  .second-row, .content {
    flex-direction: column;
  }
  .left-column, .right-column {
    width: 100%;
    padding: 0;
  }
  .article-info {
    flex-direction: column;
    gap: 8px;
  }
  .widget .thumbnail {
    width: 60px;
  }
}

@media (max-width: 576px) {
  .main-row {
    grid-template-columns: 1fr;
  }
  .article-item, .category-block, .widget, .friends-link {
    border-radius: 6px;
  }
  article {
    padding: 20px;
  }
  .pagination ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-container {
    flex-direction: column;
	
  }
}