* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #f9f7f4;
  font-family: 'Georgia', 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', serif;
  color: #3e3a35;
  line-height: 1.6;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 整体容器 */
.blog-wrapper {
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 头部区域 */
.blog-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-bottom: 2px solid #e5ded4;
  padding-bottom: 2rem;
}

.blog-title {
  font-size: 3.2rem;
  font-weight: 500;
  letter-spacing: 2px;
  color: #4a453d;
  margin-bottom: 0.5rem;
  font-family: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
}

.blog-subtitle {
  font-size: 1.1rem;
  color: #8c8175;
  font-style: italic;
  margin-bottom: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.nav-links a {
  text-decoration: none;
  color: #5f5549;
  font-weight: 500;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s ease;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
}

.nav-links a:hover {
  color: #b45f4c;
  border-bottom-color: #b45f4c;
}

/* 主体：文章区 + 侧边栏 */
.main-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
}

/* 文章列表 */
.posts-section {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 500;
  border-left: 5px solid #b45f4c;
  padding-left: 1rem;
  margin-bottom: 0.3rem;
  color: #4a453d;
  letter-spacing: 0.5px;
}

.post-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 1.8rem 2rem;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.03), 0 2px 6px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, box-shadow 0.25s ease;
  border: 1px solid #f0e9e0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.05), 0 4px 12px rgba(0, 0, 0, 0.03);
  border-color: #dacbbc;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.85rem;
  color: #9b8e80;
  flex-wrap: wrap;
}

.post-meta i {
  margin-right: 4px;
  font-size: 1rem;
  color: #b45f4c;
  vertical-align: middle;
}

.post-category {
  background-color: #f2e9de;
  color: #6b5d4f;
  padding: 0.2rem 1rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.post-title {
  font-size: 1.7rem;
  font-weight: 500;
  color: #3a332b;
  line-height: 1.3;
  margin: 0.2rem 0 0.3rem;
  transition: color 0.2s;
}

.post-title a {
  text-decoration: none;
  color: inherit;
}

.post-title a:hover {
  color: #b45f4c;
}

.post-excerpt {
  color: #5f5951;
  font-size: 0.98rem;
  margin-bottom: 0.5rem;
}

.read-more {
  align-self: flex-start;
  text-decoration: none;
  color: #b45f4c;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap 0.2s;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.read-more i {
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.read-more:hover {
  gap: 10px;
  border-bottom-color: #b45f4c;
}

.read-more:hover i {
  transform: translateX(4px);
}

/* 侧边栏 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.about-widget {
  background: #fffaf5;
  border-radius: 16px;
  padding: 1.8rem 1.8rem;
  border: 1px solid #efe3d5;
  text-align: center;
}

.avatar {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, #d6c6b5, #b8a088);
  border-radius: 50%;
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
}

.about-widget h3 {
  font-size: 1.4rem;
  font-weight: 500;
  color: #4a4238;
  margin-bottom: 0.4rem;
}

.about-widget .signature {
  font-style: italic;
  color: #8b7b6b;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.about-widget p {
  color: #5e554a;
  font-size: 0.92rem;
  line-height: 1.7;
}

.widget {
  background: white;
  border-radius: 16px;
  padding: 1.5rem 1.8rem;
  border: 1px solid #efe3d5;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
}

.widget h4 {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
  color: #4a453d;
  border-bottom: 1px dashed #dbcebd;
  padding-bottom: 0.5rem;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  background: #f3ede6;
  color: #5e5142;
  padding: 0.3rem 1rem;
  border-radius: 30px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  font-weight: 500;
}

.tag:hover {
  background: #b45f4c;
  color: white;
}

.recent-post-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid #f0e8dd;
}

.recent-post-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.recent-post-icon {
  font-size: 1.5rem;
  color: #b45f4c;
  opacity: 0.8;
}

.recent-post-text a {
  text-decoration: none;
  color: #4a4238;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.recent-post-text a:hover {
  color: #b45f4c;
}

.recent-post-text .date-small {
  font-size: 0.75rem;
  color: #ab9d8c;
  display: block;
  margin-top: 2px;
}

/* 页脚 */
.blog-footer {
  margin-top: 2rem;
  border-top: 1px solid #e2d9ce;
  padding-top: 2rem;
  text-align: center;
  color: #8d8174;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.social-icons a {
  color: #7a6e60;
  transition: color 0.2s;
}

.social-icons a:hover {
  color: #b45f4c;
}

/* 响应式 */
@media (max-width: 750px) {
  .main-content {
    grid-template-columns: 1fr;
  }

  body {
    padding: 1.5rem 1rem;
  }

  .blog-title {
    font-size: 2.5rem;
  }
}