/* 全局基础样式 */
:root {
  --theme-color: #18a058;
  --text-color-base: #2c3e50;
  --text-color-secondary: #5f6f82;
  --border-color: #e6eaf0;
  --sidebar-bg: #f8fafc;
  --code-bg: #f6f8fa;
  --sidebar-width: 280px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color-base);
  background: #ffffff;
}

/* 左侧栏 */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  padding-top: 18px;
}

.sidebar > h1 {
  font-size: 22px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 22px;
}

.sidebar-nav {
  padding: 0 14px 40px;
}

.sidebar-nav ul {
  margin: 0;
  padding-left: 0;
}

.sidebar-nav li {
  margin: 1px 0;
  list-style: none;
}

.sidebar-nav > ul > li > p,
.sidebar-nav > ul > li > a {
  font-size: 15px;
  font-weight: 800;
  color: #1f2937;
  margin: 12px 0 8px;
  cursor: pointer;
}

.sidebar-nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  color: #344054;
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: all 0.2s ease;
}

.sidebar-nav a:hover {
  background: #eaf7f0;
  color: #128047;
}

.sidebar-nav li.active > a,
.sidebar-nav li.open > a {
  background: linear-gradient(90deg, #dff5e9, #f5fbf8);
  color: #128047;
  font-weight: 700;
  border-left: 3px solid #18a058;
}

/* 侧边栏折叠目录样式 */
.sidebar-nav .folder {
  font-weight: 800;
  color: #1f2937;
}

.sidebar-nav .folder::before {
  color: #18a058;
}

/* 搜索框 */
.search {
  margin: 14px 12px 18px;
  padding: 0;
  border-bottom: none;
}

.search input {
  width: 100%;
  height: 36px;
  box-sizing: border-box;
  border-radius: 10px;
  border: 1px solid #dbe2ea;
  background: #ffffff;
  padding: 0 12px;
  font-size: 14px;
  color: #1f2937;
  outline: none;
  box-shadow: 0 2px 8px rgba(31, 41, 55, 0.05);
}

.search input:focus {
  border-color: #18a058;
  box-shadow: 0 0 0 3px rgba(24, 160, 88, 0.12);
}

.search .matching-post {
  border-bottom: 1px solid #eef2f6;
}

.search .matching-post a {
  color: #1f2937;
  font-weight: 600;
}

/* 主内容区 */
.content {
  left: var(--sidebar-width);
  right: 0;
  padding-top: 0;
}

.markdown-section {
  max-width: 1280px;
  width: calc(100% - 96px);
  margin: 0 auto;
  padding: 48px 56px 80px;
  line-height: 1.8;
  color: #243447;
}

.markdown-section h1 {
  font-size: 34px;
  font-weight: 800;
  color: #1f2937;
  margin: 0 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.markdown-section h1:first-child {
  font-size: 36px;
  letter-spacing: 0.5px;
}

.markdown-section h2 {
  font-size: 26px;
  font-weight: 750;
  color: #1f2937;
  margin-top: 42px;
  margin-bottom: 18px;
}

.markdown-section h3 {
  font-size: 21px;
  font-weight: 700;
  margin-top: 30px;
}

.markdown-section p {
  font-size: 16px;
  margin: 12px 0;
}

/* 链接 */
.markdown-section a {
  color: #18a058;
  font-weight: 600;
  text-decoration: none;
}

.markdown-section a:hover {
  color: #0f7a43;
  text-decoration: underline;
}

/* 表格 */
.markdown-section table {
  display: table;
  width: auto;
  min-width: 420px;
  max-width: 100%;
  border-collapse: collapse;
  margin: 24px auto;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(31, 41, 55, 0.06);
}

.markdown-section th {
  background: #f1f5f9;
  color: #1f2937;
  font-weight: 700;
}

.markdown-section th,
.markdown-section td {
  border: 1px solid #e5e7eb;
  padding: 9px 14px;
  font-size: 15px;
}

.markdown-section tr:nth-child(even) {
  background: #fafafa;
}

/* 代码块 */
.markdown-section pre {
  background: var(--code-bg);
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  padding: 16px;
  margin-left: auto;
  margin-right: auto;
  overflow: auto;
}

.markdown-section code {
  font-family: "JetBrains Mono", "Consolas", "Courier New", monospace;
  background: #f1f5f9;
  color: #d6336c;
  border-radius: 5px;
  padding: 2px 6px;
}

.markdown-section pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

/* 引用块 */
.markdown-section blockquote {
  margin-top: 28px;
  border-left: 5px solid #18a058;
  background: linear-gradient(90deg, #f0fbf5, #ffffff);
  color: #475467;
  padding: 10px 16px;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 4px 14px rgba(31, 41, 55, 0.04);
}

/* 图片 */
.markdown-section img {
  display: block;
  max-width: 100%;
  margin: 22px auto;
  border-radius: 10px;
  box-shadow: 0 3px 14px rgba(31, 41, 55, 0.12);
}

/* 首页卡片 */
.home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 18px;
  margin: 28px 0;
}

.home-card {
  display: block;
  padding: 22px 24px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid #e6eaf0;
  box-shadow: 0 6px 18px rgba(31, 41, 55, 0.06);
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.home-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(31, 41, 55, 0.1);
  border-color: #18a058;
}

.home-card-title {
  font-size: 20px;
  font-weight: 800;
  color: #1f2937;
  margin-bottom: 10px;
}

.home-card-desc {
  font-size: 15px;
  color: #5f6f82;
  line-height: 1.7;
}

/* 右上角 GitHub 角标 */
.github-corner svg {
  width: 56px;
  height: 56px;
  opacity: 0.75;
}

.github-corner:hover svg {
  opacity: 1;
}

/* 电脑端隐藏底部菜单按钮 */
@media screen and (min-width: 769px) {
  .sidebar-toggle {
    display: none;
  }
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
  .sidebar {
    width: 260px;
  }

  .content {
    left: 0;
  }

  .markdown-section {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 30px 22px 60px;
  }

  .markdown-section h1 {
    font-size: 28px;
  }

  .markdown-section h2 {
    font-size: 23px;
  }

  .markdown-section table {
    min-width: 100%;
  }

  .home-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-toggle {
    display: block;
  }
}

.edit-page-button {
  display: inline-block;
  margin-bottom: 18px;
  padding: 7px 14px;
  border-radius: 8px;
  background: #e8f7ef;
  color: #128047 !important;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none !important;
  border: 1px solid #ccebd8;
}

.edit-page-button:hover {
  background: #dff5e9;
  color: #0f7a43 !important;
}