/* blog.css — material 风格 + CSS 变量主题
* ，?theme= 参数 + localStorage 切换
*/
:root,
[data-theme="material"] {
--bg: #ffffff;
--fg: #212121;
--muted: #757575;
--link: #0288d1;
--border: #e0e0e0;
--code-bg: #f5f5f5;
--admon-bg: #e1f5fe;
--admon-border: #0288d1;
--topbar-bg: #0288d1;
--topbar-fg: #ffffff;
--topbar-border: #0277bd;
--tabs-bg: #0288d1;
--tabs-fg: rgba(255, 255, 255, 0.85);
--tabs-active: #ffffff;
--quote-fg: #616161;
--card-bg: #ffffff;
--card-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
--sidebar-bg: #fafafa;
}
[data-theme="github"] {
--bg: #ffffff;
--fg: #24292f;
--muted: #6e7781;
--link: #0969da;
--border: #d0d7de;
--code-bg: #f6f8fa;
--admon-bg: #f6f8fa;
--admon-border: #0969da;
--topbar-bg: #24292f;
--topbar-fg: #ffffff;
--topbar-border: #1b1f24;
--tabs-bg: #24292f;
--tabs-fg: rgba(255, 255, 255, 0.8);
--tabs-active: #ffffff;
--quote-fg: #57606a;
--card-bg: #ffffff;
--card-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
--sidebar-bg: #f6f8fa;
}
[data-theme="dark"] {
--bg: #0d1117;
--fg: #e6edf3;
--muted: #8b949e;
--link: #58a6ff;
--border: #30363d;
--code-bg: #161b22;
--admon-bg: #161b22;
--admon-border: #58a6ff;
--topbar-bg: #010409;
--topbar-fg: #e6edf3;
--topbar-border: #30363d;
--tabs-bg: #010409;
--tabs-fg: #8b949e;
--tabs-active: #e6edf3;
--quote-fg: #8b949e;
--card-bg: #161b22;
--card-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
--sidebar-bg: #010409;
/* 深色主题下 admonition 背景压暗，保证文字可读 */
--admon-info-bg: #0d2b3d;
--admon-info-bd: #29b6f6;
--admon-tip-bg: #12331a;
--admon-tip-bd: #66bb6a;
--admon-warn-bg: #3d2f0d;
--admon-warn-bd: #ffca28;
--admon-quote-bg: #2c1540;
--admon-quote-bd: #ab47bc;
}
/* ---- 骨架 ---- */
* { box-sizing: border-box; }
body {
font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Roboto", sans-serif;
margin: 0;
background: var(--bg);
color: var(--fg);
line-height: 1.7;
}
/* 顶栏 */
.topbar {
display: flex;
align-items: center;
gap: 1rem;
padding: 0.5rem 1.25rem;
background: var(--topbar-bg);
color: var(--topbar-fg);
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; color: inherit; text-decoration: none; margin-right: auto; white-space: nowrap; }
.brand .logo { height: 28px; width: 28px; border-radius: 50%; object-fit: cover; }
.search-box { position: relative; }
.search-box input {
border: 1px solid rgba(128, 128, 128, 0.4);
border-radius: 4px;
padding: 0.25rem 0.6rem;
font-size: 0.85rem;
background: rgba(255, 255, 255, 0.15);
color: inherit;
width: 180px;
}
.search-box input::placeholder { color: inherit; opacity: 0.7; }
.search-result {
position: absolute;
top: 110%;
right: 0;
min-width: 260px;
max-height: 320px;
overflow: auto;
background: var(--card-bg);
color: var(--fg);
border: 1px solid var(--border);
border-radius: 6px;
box-shadow: var(--card-shadow);
z-index: 50;
padding: 0.25rem;
}
.search-result a { display: block; padding: 0.35rem 0.6rem; border-radius: 4px; font-size: 0.88rem; }
.search-result a:hover { background: var(--code-bg); }
.search-result .none { display: block; padding: 0.5rem; color: var(--muted); font-size: 0.85rem; }
.theme-switch { display: flex; gap: 0.25rem; }
.theme-switch a {
font-size: 0.75rem;
padding: 0.12rem 0.55rem;
border: 1px solid currentColor;
border-radius: 999px;
color: inherit;
text-decoration: none;
opacity: 0.7;
white-space: nowrap;
}
.theme-switch a.active { opacity: 1; background: rgba(127, 127, 127, 0.25); }
/* tabs 导航 */
.tabs {
display: flex;
gap: 0.25rem;
flex-wrap: wrap;
padding: 0 1.25rem;
background: var(--tabs-bg);
}
.tabs a {
color: var(--tabs-fg);
text-decoration: none;
font-size: 0.88rem;
padding: 0.55rem 0.9rem;
}
.tabs a:hover { color: var(--tabs-active); }
.tabs a.active { color: var(--tabs-active); font-weight: 600; }
/* 页脚 */
.foot {
max-width: 1200px;
margin: 0 auto;
padding: 1.5rem 1.25rem 3rem;
color: var(--muted);
font-size: 0.85em;
border-top: 1px solid var(--border);
display: flex;
gap: 1rem;
flex-wrap: wrap;
}
/* ---- 首页卡片（瀑布流，原站 card-columns 还原） ---- */
.cards-wrap { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1.25rem; }
.cards-wrap h1 { font-size: 1.4rem; margin: 0 0 0.25rem; }
.cards-wrap .sub { color: var(--muted); margin: 0 0 1.25rem; }
.card-columns { column-gap: 1.25rem; }
@media (min-width: 768px) { .card-columns { column-count: 2; } }
@media (min-width: 1200px) { .card-columns { column-count: 3; } }
.card {
break-inside: avoid;
margin-bottom: 1.25rem;
background: var(--card-bg);
border: 1px solid var(--border);
border-radius: 8px;
overflow: hidden;
box-shadow: var(--card-shadow);
}
.card a.card-link { color: inherit; text-decoration: none; display: block; }
.card img.card-img { width: 100%; height: auto; display: block; aspect-ratio: 16/9; object-fit: cover; background: var(--code-bg); }
.card .card-body { padding: 0.9rem 1rem 1rem; }
.card .card-title { margin: 0 0 0.5rem; font-size: 1.02rem; line-height: 1.5; }
.card .card-text { margin: 0 0 0.6rem; font-size: 0.86rem; color: var(--muted); line-height: 1.65; }
.card .card-meta { display: flex; gap: 1rem; align-items: center; font-size: 0.78rem; color: var(--muted); }
.card .card-meta .views { margin-left: auto; white-space: nowrap; }
/* ---- 文章页三栏 ---- */
.doc-layout {
display: grid;
grid-template-columns: 260px minmax(0, 1fr) 220px;
gap: 1.5rem;
max-width: 1280px;
margin: 0 auto;
padding: 1.25rem;
align-items: start;
}
.doc-nav {
position: sticky;
top: 1rem;
max-height: calc(100vh - 2rem);
overflow: auto;
background: var(--sidebar-bg);
border: 1px solid var(--border);
border-radius: 8px;
padding: 0.75rem 0.9rem;
font-size: 0.85rem;
}
.doc-nav .nav-group { font-weight: 700; margin: 0.6rem 0 0.3rem; }
.doc-nav .nav-group:first-child { margin-top: 0; }
.doc-nav ul { list-style: none; margin: 0; padding-left: 0.8rem; }
.doc-nav li { margin: 0.15rem 0; }
.doc-nav .nav-dir { color: var(--fg); }
.doc-nav details.nav-tree { margin: 0.2rem 0; }
.doc-nav details.nav-tree > summary { cursor: pointer; list-style: none; padding: 0.1rem 0; display: flex; align-items: center; gap: 0.4rem; }
.doc-nav details.nav-tree > summary::-webkit-details-marker { display: none; }
.doc-nav details.nav-tree > summary .nav-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 右对齐折叠按钮：> 收起态，˅ 展开态 */
.doc-nav .nav-toggle { margin-left: auto; flex: none; width: 1.2em; text-align: right; color: var(--muted); font-size: 0.8em; }
.doc-nav .nav-toggle::before { content: '>'; }
.doc-nav details.nav-tree[open] > summary .nav-toggle::before { content: '˅'; }
/* L2 子目录缩进 */
.doc-nav details.nav-sub { margin-left: 0.2rem; }
.doc-nav a { display: block; padding: 0.1rem 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--fg); }
.doc-nav a:hover { color: var(--link); }
.doc-nav a.current { font-weight: 700; color: var(--link); }
/* 左栏滚动条收窄（默认约 15px → 6px） */
.doc-nav { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.doc-nav::-webkit-scrollbar { width: 6px; }
.doc-nav::-webkit-scrollbar-track { background: transparent; }
.doc-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.doc-nav::-webkit-scrollbar-thumb:hover { background: var(--muted); }
/* 左栏词云：密排 inline + 轻微旋转错位 + 允许轻微重叠 */
.tag-cloud-side { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 0.5rem; }
.tag-cloud { line-height: 1.9; }
.tag-cloud a.tag { text-decoration: none; display: inline-block; margin: 0 0.1em; vertical-align: baseline; }
.tag-cloud a.tag:hover .tag-name { text-decoration: underline; }
.tag-cloud .tag-name { white-space: nowrap; display: inline-block; }
.tag-cloud-center { text-align: center; margin-bottom: 1.5rem; line-height: 2.1; }
/* JS 未加载时的兜底字号（线性公式近似：中值），JS 就绪后按 data-size 精确设置 */
.tag-cloud .tag-name { font-size: 0.9rem; }
.doc-main { min-width: 0; }
.doc-main .cover-img { width: 100%; border-radius: 8px; margin-bottom: 1rem; }
.doc-main .meta { color: var(--muted); font-size: 0.88rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.doc-toc {
position: sticky;
top: 1rem;
max-height: calc(100vh - 2rem);
overflow: auto;
font-size: 0.82rem;
border-left: 2px solid var(--border);
padding-left: 0.9rem;
}
.doc-toc .toc-title { font-weight: 700; margin-bottom: 0.4rem; }
.doc-toc ul { list-style: none; margin: 0; padding: 0; }
.doc-toc li { margin: 0.2rem 0; }
.doc-toc li.lv3 { padding-left: 1rem; }
.doc-toc a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-toc a:hover { text-decoration: underline; }
/* 正文 */
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.admonition {
border-left: 4px solid var(--admon-border);
background: var(--admon-bg);
padding: 0.5rem 1rem;
margin: 1rem 0;
border-radius: 4px;
}
.admonition-title { font-weight: 600; margin: 0.2rem 0; }
details.admonition summary { cursor: pointer; }
/* 按类型分色：蓝 info / 绿 tip / 黄 warning / 紫 quote，变量随主题切换 */
.admonition-info, .admonition-note, .admonition-notes, .admonition-abstract {
border-left-color: var(--admon-info-bd, #0288d1);
background: var(--admon-info-bg, #e1f5fe);
}
.admonition-tip, .admonition-tips, .admonition-hint {
border-left-color: var(--admon-tip-bd, #2e7d32);
background: var(--admon-tip-bg, #e8f5e9);
}
.admonition-warning, .admonition-attention, .admonition-question,
.admonition-important, .admonition-notice, .admonition-faq {
border-left-color: var(--admon-warn-bd, #f9a825);
background: var(--admon-warn-bg, #fff8e1);
}
.admonition-quote, .admonition-cite {
border-left-color: var(--admon-quote-bd, #6a1b9a);
background: var(--admon-quote-bg, #f3e5f5);
}
.md-body pre { background: var(--code-bg); padding: 1rem; border-radius: 6px; overflow: auto; }
.md-body code { background: var(--code-bg); padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.92em; }
.md-body pre code { background: none; padding: 0; }
.md-body img { max-width: 100%; }
.md-body table { border-collapse: collapse; display: block; overflow-x: auto; }
.md-body td, .md-body th { border: 1px solid var(--border); padding: 0.4rem 0.7rem; }
.md-body blockquote { border-left: 4px solid var(--border); margin: 1rem 0; padding: 0 1rem; color: var(--quote-fg); }
.md-body h1 .h-anchor, .md-body h2 .h-anchor, .md-body h3 .h-anchor { display: none; }
/* 窄屏：sidebar 收起 */
@media (max-width: 1024px) {
.doc-layout { grid-template-columns: minmax(0, 1fr); }
.doc-nav, .doc-toc { position: static; max-height: none; }
.doc-toc { border-left: none; border-top: 2px solid var(--border); padding: 0.75rem 0 0; }
}
@media (max-width: 640px) {
.topbar { flex-wrap: wrap; }
.search-box input { width: 130px; }
.theme-switch { display: none; }
}