/* 引入霞鹜文楷 web 字体 */
@import url('https://cdn.jsdelivr.net/npm/lxgw-wenkai-webfont@1.1.0/lxgwwenkai-regular.css');

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

:root {
  --primary-color: #333;
  --secondary-color: #666;
  --bg-color: #f5f5f5;
  --content-bg: #fff;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --hover-bg: #f8f8f8;
}

body {
  font-family: 'LXGW WenKai', 'Noto Serif SC', serif;
  background-color: var(--bg-color);
  color: var(--primary-color);
  line-height: 1.8;
  min-height: 100vh;
  padding: 20px;
}

/* 容器样式 */
.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--content-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px var(--shadow-color);
  border-radius: 8px;
  overflow: hidden;
}

/* 头部样式 */
header {
  padding: 30px 40px;
  border-bottom: 1px solid var(--border-color);
}

header h1 {
  font-size: 2rem;
  margin-bottom: 5px;
  color: var(--primary-color);
}

header .subtitle {
  color: var(--secondary-color);
  font-size: 0.95rem;
}

/* 导航栏样式 */
nav {
  padding: 0 40px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--content-bg);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

nav ul li a {
  display: block;
  padding: 15px 0;
  text-decoration: none;
  color: var(--primary-color);
  font-size: 1.05rem;
  transition: color 0.3s ease;
  border-bottom: 2px solid transparent;
}

nav ul li a:hover,
nav ul li a.active {
  color: #0066cc;
  border-bottom-color: #0066cc;
}

/* 内容区域 */
main {
  padding: 40px;
}

/* 文章列表样式 */
.post-list {
  list-style: none;
  padding-left: 0;
}

.year-group {
  margin-bottom: 30px;
}

.year-group:last-child {
  margin-bottom: 0;
}

.year-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
  color: var(--primary-color);
}

.post-item {
  padding: 4px 0 4px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 10px;
}

.post-item:hover .post-title a {
  color: #0066cc;
}

.post-date {
  color: var(--secondary-color);
  font-size: 0.85rem;
  font-weight: 500;
  min-width: 60px;
  text-align: left;
  flex-shrink: 0;
  opacity: 0.8;
}

.post-title {
  font-size: 1.05rem;
  flex: 1;
}

.post-title a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.post-title a:hover {
  color: #0066cc;
}

/* 单篇文章样式 */
article {
  max-width: 100%;
}

article h1 {
  font-size: 2rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

article .meta {
  color: var(--secondary-color);
  margin-bottom: 30px;
  font-size: 0.9rem;
}

article .content {
  line-height: 1.9;
  font-size: 1.05rem;
}

article .content h2 {
  font-size: 1.5rem;
  margin: 30px 0 15px 0;
  color: var(--primary-color);
}

article .content h3 {
  font-size: 1.3rem;
  margin: 25px 0 12px 0;
  color: var(--primary-color);
}

article .content p {
  margin-bottom: 15px;
  text-indent: 2em;
}

article .content ul,
article .content ol {
  margin: 15px 0 15px 2em;
}

article .content li {
  margin-bottom: 8px;
}

article .content blockquote {
  border-left: 4px solid #0066cc;
  padding-left: 20px;
  margin: 20px 0;
  color: var(--secondary-color);
  background-color: #f8f8f8;
  padding: 15px 20px;
  border-radius: 0 4px 4px 0;
}

article .content code {
  background-color: #f0f0f0;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9em;
}

article .content pre {
  background-color: #2d2d2d;
  color: #ccc;
  padding: 15px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 20px 0;
}

article .content pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

article .content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 20px 0;
}

/* 关于页面样式 */
.about-page {
  line-height: 1.9;
  font-size: 1.05rem;
}

.about-page h2 {
  font-size: 1.5rem;
  margin: 30px 0 15px 0;
  color: var(--primary-color);
}

.about-page p {
  margin-bottom: 15px;
  text-indent: 2em;
}

/* 页脚样式 */
footer {
  padding: 20px 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--secondary-color);
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  header {
    padding: 20px 25px;
  }

  header h1 {
    font-size: 1.6rem;
  }

  nav {
    padding: 0 25px;
  }

  nav ul {
    gap: 20px;
  }

  nav ul li a {
    padding: 12px 0;
    font-size: 1rem;
  }

  main {
    padding: 25px;
  }

  .year-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .year-group {
    margin-bottom: 20px;
  }

  .post-item {
    gap: 15px;
    padding: 3px 0 3px 20px;
  }

  .post-date {
    min-width: 50px;
    font-size: 0.85rem;
  }

  .post-title {
    font-size: 1.05rem;
  }

  article h1 {
    font-size: 1.6rem;
  }

  article .content h2 {
    font-size: 1.3rem;
  }

  article .content h3 {
    font-size: 1.15rem;
  }

  article .content {
    font-size: 1rem;
  }

  footer {
    padding: 15px 25px;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.4rem;
  }

  nav ul {
    gap: 15px;
  }

  nav ul li a {
    font-size: 0.95rem;
  }

  main {
    padding: 20px;
  }

  .year-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
  }

  .year-group {
    margin-bottom: 15px;
  }

  .post-item {
    gap: 12px;
    padding: 2px 0 2px 15px;
  }

  .post-date {
    min-width: 45px;
    font-size: 0.8rem;
  }

  .post-title {
    font-size: 1rem;
  }
}