/* ========== 全局深色主题 ========== */
body {
  background: #0F172A !important;
  color: #E2E8F0 !important;
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif !important;
}

/* 侧边栏 */
.sidebar, .nav-sidebar {
  background: #1E293B !important;
  border-right: 1px solid rgba(255,255,255,0.06) !important;
}
.sidebar-item .chapter-number,
.sidebar-item .chapter-title { color: #94A3B8 !important; }
.sidebar-item:hover, .sidebar-item.active {
  background: rgba(20,184,166,0.1) !important;
  border-left: 3px solid #14B8A6 !important;
}
.sidebar-item.active .chapter-title { color: #14B8A6 !important; }

/* 导航栏 */
.navbar { background: rgba(15,23,42,0.95) !important; border-bottom: 1px solid rgba(255,255,255,0.06) !important; }
.navbar-brand, .nav-link { color: #CBD5E1 !important; }
.nav-link:hover { color: #22D3EE !important; }

/* 代码块 */
pre, code { font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace !important; }
pre { background: #1E293B !important; border: 1px solid rgba(255,255,255,0.08) !important; border-radius: 12px !important; }
code { background: rgba(255,255,255,0.06) !important; border-radius: 4px; padding: 2px 6px; color: #22D3EE; }
pre code { background: transparent !important; color: #E2E8F0 !important; padding: 0; }

/* 表格 */
table { border-collapse: collapse; width: 100%; margin: 16px 0; }
th { background: rgba(20,184,166,0.12); color: #14B8A6; padding: 10px 16px; border: 1px solid rgba(20,184,166,0.2); font-size: 14px; }
td { padding: 10px 16px; border: 1px solid rgba(255,255,255,0.08); color: #CBD5E1; font-size: 14px; }
tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* 引用块 */
blockquote {
  background: rgba(20,184,166,0.06);
  border-left: 4px solid #14B8A6;
  border-radius: 0 12px 12px 0;
  padding: 16px 24px;
  color: #CBD5E1;
}

/* 标题 */
h1, h2, h3 { color: #F8FAFC !important; font-weight: 800; }
h1 { border-bottom: 2px solid rgba(20,184,166,0.2) !important; }
h2 { border-bottom: 1px solid rgba(255,255,255,0.06) !important; }

/* 链接 */
a { color: #22D3EE !important; text-decoration: none; }
a:hover { color: #14B8A6 !important; text-decoration: underline; }

/* 页面内容区 */
.quarto-title-block { display: none; }
main { max-width: 100% !important; padding: 0 !important; }
.quarto-page-breadcrumbs { color: #94A3B8; }