/* ===== TOC 目录去掉默认有序列表序号 ===== */
.toc,
.toc-child {
  list-style: none;
  padding-left: 0;
}

/* ===== 全局中文字体优化 ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
               "Hiragino Sans GB", sans-serif;
}

/* 标题加粗 + 适当字间距 */
#post h1,
#post h2,
#post h3,
#post h4 {
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* 去掉标题前面的图标前缀（如果 beautify 没关干净） */
#post h1:before,
#post h2:before,
#post h3:before,
#post h4:before {
  display: none !important;
  content: none !important;
}

/* ===== 首页三栏布局（左栏 | 文章 | 右栏） ===== */

/* 有左栏时放宽整体布局 + 缩小两侧留白，让左右栏靠边 */
.layout:has(.home-left-sidebar) {
  max-width: 1580px;
  padding-left: 8px;
  padding-right: 8px;
  gap: 16px;
}

/* 消除右栏自带的左内边距，让三栏间距统一由 gap 控制 */
.layout:has(.home-left-sidebar) #aside-content {
  padding-left: 0;
}

/* ---- 左栏（分类 + 公告 + 标签）---- */
.home-left-sidebar {
  width: 280px;
  flex-shrink: 0;
  align-self: flex-start;
  position: sticky;
  position: -webkit-sticky;
  top: 20px;
  transition: top 0.3s;
}

/* 左栏卡片 —— 复刻 #aside-content .card-widget */
.home-left-sidebar .card-widget {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  padding: 20px 24px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--card-box-shadow);
  transition: all 0.3s;
}

.home-left-sidebar .card-widget:hover {
  box-shadow: var(--card-hover-box-shadow);
}

.home-left-sidebar .item-headline {
  padding-bottom: 6px;
  font-size: 1.2em;
}

.home-left-sidebar .item-headline span {
  margin-left: 6px;
}

/* 公告喇叭图标红色 */
.home-left-sidebar .card-announcement .item-headline i {
  color: #FF0000;
}

/* ---- 左栏分类列表（复刻 #aside-content 同名样式）---- */
.home-left-sidebar .card-categories ul.card-category-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-left-sidebar .card-categories ul.card-category-list > .card-category-list-item a {
  display: flex;
  flex-direction: row;
  margin: 2px 0;
  padding: 2px 8px;
  color: var(--font-color);
  transition: all 0.3s;
  border-radius: 7px;
  text-decoration: none;
}

.home-left-sidebar .card-categories ul.card-category-list > .card-category-list-item a:hover {
  padding: 2px 12px;
  background-color: var(--text-bg-hover);
  color: var(--white);
}

.home-left-sidebar .card-categories .card-category-list-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-left-sidebar .card-categories .card-category-list-count {
  text-align: right;
}

/* 子分类缩进 */
.home-left-sidebar .card-categories .card-category-list.child {
  padding: 0 0 0 16px;
}

/* ---- 左栏标签云（复刻 #aside-content 同名样式）---- */
.home-left-sidebar .card-tag-cloud a {
  display: inline-block;
  padding: 0 4px;
  line-height: 1.8;
}

.home-left-sidebar .card-tag-cloud a:hover {
  color: #49b1f5 !important;
}

/* ---- 中间文章区域（替代 .layout > div:first-child 的默认宽度）---- */
.layout > .home-main {
  width: auto;
  flex: 1;
  min-width: 0;
  align-self: flex-start;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--card-box-shadow);
  padding: 50px 40px;
  margin: 0;
  transition: all 0.3s;
}

.layout > .home-main:hover {
  box-shadow: var(--card-hover-box-shadow);
}

/* ---- 移动端：三栏堆叠 ---- */
@media screen and (max-width: 900px) {
  .layout:has(.home-left-sidebar) {
    max-width: none;
    padding-left: 15px;
    padding-right: 15px;
  }

  .home-left-sidebar {
    width: 100%;
    margin-bottom: 20px;
  }

  .layout > .home-main {
    width: 100% !important;
    margin: 0;
  }
}

@media screen and (max-width: 768px) {
  .layout > .home-main {
    padding: 36px 14px;
  }
}