xfy
a9b194f3bf
上一次仅提升选择器特异性(.blur-img.post-card-cover-blur)未能生效， 根因是 CSS @layer 级联:未分层(layer 外)规则无条件覆盖分层(layer 内) 规则,与特异性无关。 .blur-img 全局规则原本在 @layer components 之外(line 644), 而卡片规则在 layer 内(line 532),导致卡片 aspect-ratio:4/3 败给 全局 var(--ar),--ar 未定义时高度場陷为 0。 将整个 blur-up 规则块(.blur-img/.blur-img-placeholder/.blur-img-full 及其 is-loaded/.dark 变体)移入 @layer components,使两条 .blur-img* 规则同层竞争,特异性 (0,2,0) > (0,1,0) 才真正生效。
703 lines
15 KiB
CSS
703 lines
15 KiB
CSS
@import "tailwindcss";
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@custom-variant dark (&:where(.dark, .dark *));
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@theme {
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--font-serif: 'Source Serif 4', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
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--color-paper-theme: #faf9f6;
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--color-paper-entry: #ffffff;
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--color-paper-primary: #1c1917;
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--color-paper-secondary: #78716c;
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--color-paper-tertiary: #d6d3d1;
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--color-paper-content: #292524;
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--color-paper-code-block: #eff1f5;
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--color-paper-code-bg: #f5f4f0;
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--color-paper-border: #e7e5e0;
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--color-paper-accent: #5c7a5e;
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--color-paper-accent-soft: #e8f0e8;
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--radius-paper: 8px;
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--gap-paper: 24px;
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--content-gap-paper: 20px;
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--nav-width-paper: 1024px;
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--main-width-paper: 720px;
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}
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@layer base {
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html {
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scroll-behavior: smooth;
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}
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body {
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background-color: var(--color-paper-theme);
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color: var(--color-paper-primary);
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
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transition: background-color 0.3s ease, color 0.3s ease;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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.dark {
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--color-paper-theme: #141416;
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--color-paper-entry: #1e1f22;
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--color-paper-primary: #e7e5df;
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--color-paper-secondary: #8c8981;
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--color-paper-tertiary: #3a3a3d;
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--color-paper-content: #d4d2cc;
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--color-paper-code-block: #1e1e2e;
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--color-paper-code-bg: #28292d;
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--color-paper-border: #2a2b2e;
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--color-paper-accent: #7da97f;
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--color-paper-accent-soft: #1e2e1e;
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}
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}
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@layer components {
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.post-single {
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margin: 0 auto;
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}
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.post-header {
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margin: 24px auto var(--content-gap-paper) auto;
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}
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.post-title {
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font-size: 40px;
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line-height: 1.2;
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color: var(--color-paper-primary);
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word-break: break-word;
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letter-spacing: -0.02em;
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}
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.post-description {
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margin-top: 10px;
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color: var(--color-paper-secondary);
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font-size: 16px;
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line-height: 1.7;
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}
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.post-meta {
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margin-top: 5px;
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color: var(--color-paper-secondary);
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font-size: 14px;
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display: flex;
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align-items: center;
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gap: 0.5rem;
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flex-wrap: wrap;
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}
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.post-meta a {
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color: var(--color-paper-secondary);
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text-decoration-style: dotted;
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text-underline-offset: 0.3rem;
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text-decoration: underline;
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}
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.post-meta a:hover {
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color: var(--color-paper-primary);
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}
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.breadcrumbs {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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gap: 0.2rem;
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color: var(--color-paper-secondary);
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font-size: 14px;
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margin-bottom: 10px;
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}
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.breadcrumbs a {
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font-size: 16px;
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color: var(--color-paper-primary);
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}
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.breadcrumbs a:hover {
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text-decoration: underline;
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text-underline-offset: 0.2rem;
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}
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.entry-hint {
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display: inline-flex;
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margin-left: 0.5rem;
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color: var(--color-paper-secondary);
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}
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details.toc {
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margin-bottom: var(--content-gap-paper);
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background: var(--color-paper-code-bg);
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border-radius: var(--radius-paper);
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border: 1px solid var(--color-paper-border);
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}
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details.toc summary {
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padding: 0.3rem 1.2rem;
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border-radius: var(--radius-paper);
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cursor: pointer;
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display: list-item;
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width: 100%;
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user-select: none;
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color: var(--color-paper-primary);
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}
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details.toc .title {
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display: inline;
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font-weight: 500;
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margin-inline-start: 0.2rem;
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}
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details.toc .inner {
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margin: 0 2.4rem;
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padding-bottom: 0.6rem;
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}
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details.toc ul {
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list-style: none;
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padding: 0;
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margin: 0;
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}
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details.toc li {
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margin: 0.3rem 0;
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}
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details.toc a {
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color: var(--color-paper-secondary);
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text-decoration: none;
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font-size: 14px;
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}
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details.toc a:hover {
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color: var(--color-paper-primary);
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text-decoration: underline;
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text-underline-offset: 0.3rem;
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}
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details.toc li ul {
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margin-inline-start: var(--gap-paper);
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}
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details {
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interpolate-size: allow-keywords;
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}
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details::details-content {
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height: 0;
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opacity: 0;
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overflow: clip;
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transition: height 150ms ease, opacity 150ms ease, content-visibility 150ms allow-discrete;
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}
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details[open]::details-content {
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height: auto;
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opacity: 1;
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}
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.entry-cover {
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margin-bottom: var(--content-gap-paper);
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}
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/* 封面用 blur-img 结构：去 margin、保持圆角，内层 img cover 填充 */
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.entry-cover .blur-img {
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margin: 0;
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border-radius: var(--radius-paper);
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}
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.entry-cover img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.post-content {
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color: var(--color-paper-content);
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margin: 30px 0;
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}
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.md-content h1 {
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margin: 40px auto 32px;
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font-size: 40px;
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color: var(--color-paper-primary);
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letter-spacing: -0.01em;
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}
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.md-content h2 {
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margin: 32px auto 24px;
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font-size: 32px;
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color: var(--color-paper-primary);
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letter-spacing: -0.01em;
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}
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.md-content h3 {
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margin: 24px 0 16px;
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font-size: 24px;
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color: var(--color-paper-primary);
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}
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.md-content h4 {
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margin: 24px 0 16px;
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font-size: 16px;
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color: var(--color-paper-primary);
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}
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.md-content h5 {
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margin: 24px 0 16px;
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font-size: 14px;
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color: var(--color-paper-primary);
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}
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.md-content h6 {
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margin: 24px 0 16px;
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font-size: 12px;
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color: var(--color-paper-primary);
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}
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.md-content a:not(.anchor) {
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text-underline-offset: 0.3rem;
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text-decoration: underline;
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color: var(--color-paper-accent);
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}
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.md-content a:not(.anchor):hover {
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color: #4a6249;
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}
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.md-content p {
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margin-bottom: var(--content-gap-paper);
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line-height: 1.85;
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}
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.md-content p:last-child {
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margin-bottom: 0;
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}
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.md-content blockquote {
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margin: 1rem 0;
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padding-inline-start: 1rem;
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border-inline-start: 0.3rem solid var(--color-paper-content);
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color: var(--color-paper-secondary);
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}
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.md-content blockquote p:last-child {
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margin-bottom: 0;
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}
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.md-content ol,
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.md-content ul {
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padding-inline-start: 1.25rem;
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margin-bottom: var(--content-gap-paper);
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}
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.md-content li {
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margin-top: 0.3rem;
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}
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.md-content li p {
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margin-bottom: 0;
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}
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.md-content hr {
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margin: 30px 0;
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height: 2px;
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background: var(--color-paper-tertiary);
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border: 0;
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}
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.md-content table {
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margin-bottom: var(--content-gap-paper);
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width: 100%;
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border-collapse: collapse;
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}
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.md-content table th,
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.md-content table td {
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min-width: 80px;
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padding: 6px 13px;
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line-height: 1.5;
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border: 1px solid var(--color-paper-border);
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}
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.md-content table th {
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text-align: start;
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font-weight: 600;
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background: var(--color-paper-code-bg);
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}
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.md-content img {
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border-radius: var(--radius-paper);
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margin: 1rem 0;
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max-width: 100%;
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height: auto;
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}
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.md-content-img-zoomable {
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cursor: zoom-in;
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transition: opacity 0.2s ease-out;
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}
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.md-content-img-zoomable:hover {
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opacity: 0.9;
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}
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.md-content iframe {
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max-width: 100%;
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border-radius: var(--radius-paper);
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}
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.md-content code {
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padding: 0.2rem 0.3rem;
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font-size: 0.85em;
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line-height: 1.5;
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background: var(--color-paper-code-bg);
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border-radius: 0.2rem;
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font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
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}
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.md-content pre {
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position: relative;
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margin-bottom: var(--content-gap-paper);
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background: var(--color-paper-code-block);
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border-radius: var(--radius-paper);
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overflow-x: auto;
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}
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.md-content pre code {
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display: block;
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padding: 16px;
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background: transparent;
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border-radius: 0;
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overflow-x: auto;
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white-space: pre;
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font-size: 0.85em;
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line-height: 1.6;
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}
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.md-content pre code span {
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display: inline !important;
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}
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.copy-code {
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display: none;
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position: absolute;
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top: 8px;
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right: 8px;
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color: rgba(255, 255, 255, 0.8);
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background: rgba(78, 78, 78, 0.8);
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border-radius: var(--radius-paper);
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padding: 4px 8px;
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font-size: 12px;
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user-select: none;
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cursor: pointer;
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border: none;
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font-family: inherit;
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transition: background 0.2s ease-out;
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}
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.copy-code:hover {
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background: rgba(92, 122, 94, 0.9);
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}
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pre:hover .copy-code,
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.highlight:hover .copy-code {
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display: block;
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}
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.anchor {
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display: none;
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text-decoration: none;
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color: var(--color-paper-secondary);
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}
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.md-content h1:hover .anchor,
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.md-content h2:hover .anchor,
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.md-content h3:hover .anchor,
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.md-content h4:hover .anchor,
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.md-content h5:hover .anchor,
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.md-content h6:hover .anchor {
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display: inline-flex;
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margin-inline-start: 0.5em;
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font-weight: 500;
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user-select: none;
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text-decoration: none;
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color: var(--color-paper-secondary);
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}
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.anchor:hover {
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color: var(--color-paper-primary) !important;
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}
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.post-footer {
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margin-top: var(--content-gap-paper);
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}
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.post-tags {
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display: flex;
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flex-wrap: wrap;
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gap: 10px;
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list-style: none;
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padding: 0;
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margin: 0 0 var(--content-gap-paper) 0;
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}
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.post-tags li {
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display: inline-block;
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}
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.post-tags a {
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display: block;
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padding: 0 14px;
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color: var(--color-paper-secondary);
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font-size: 14px;
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line-height: 34px;
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background: var(--color-paper-code-bg);
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border-radius: var(--radius-paper);
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border: 1px solid var(--color-paper-border);
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text-decoration: none;
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transition: all 0.2s ease-out;
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}
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.post-tags a:hover {
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background: var(--color-paper-accent-soft);
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border-color: var(--color-paper-accent);
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color: var(--color-paper-accent);
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}
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.paginav {
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display: flex;
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border-radius: var(--radius-paper);
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background: var(--color-paper-code-bg);
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border: 1px solid var(--color-paper-border);
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overflow: hidden;
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}
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.paginav a {
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width: 50%;
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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padding: 0.8rem;
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text-decoration: none;
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color: var(--color-paper-primary);
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transition: background 0.2s ease-out;
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}
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.paginav a:hover {
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background: var(--color-paper-border);
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}
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.paginav .next {
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margin-inline-start: auto;
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text-align: right;
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}
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.paginav .title {
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letter-spacing: 1px;
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font-size: 0.8rem;
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color: var(--color-paper-secondary);
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}
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.paginav .post-title-nav {
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font-size: 16px;
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font-weight: 500;
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}
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.back-to-home {
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margin-top: calc(var(--content-gap-paper) * 1.5);
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padding-top: var(--content-gap-paper);
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border-top: 1px solid var(--color-paper-border);
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}
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.back-to-home a,
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.back-to-home button {
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color: var(--color-paper-secondary);
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font-size: 14px;
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text-decoration: none;
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background: none;
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border: none;
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cursor: pointer;
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padding: 0;
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font-family: inherit;
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}
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.back-to-home a:hover,
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.back-to-home button:hover {
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color: var(--color-paper-primary);
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text-decoration: underline;
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text-underline-offset: 0.3rem;
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}
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/* 卡片封面：blur-img 结构，固定 4:3 比例，hover 缩放。
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用属性选择器提升特异性，可靠覆盖 .blur-img 的 aspect-ratio: var(--ar)
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（卡片不写 --ar，var(--ar) 解析为空会导致高度塌陷）。 */
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.blur-img.post-card-cover-blur {
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margin: 0;
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aspect-ratio: 4 / 3;
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}
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.post-card-cover-blur img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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transition: transform 0.3s ease-out;
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}
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.group:hover .post-card-cover-blur img {
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transform: scale(1.05);
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}
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a.accent-link {
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color: var(--color-paper-accent);
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text-decoration: none;
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transition: color 0.2s ease-out;
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}
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a.accent-link:hover {
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color: var(--color-paper-primary);
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}
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.post-card-accent {
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position: relative;
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}
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||
.post-card-accent::after {
|
||
content: '';
|
||
position: absolute;
|
||
bottom: 0;
|
||
left: 0;
|
||
width: 0;
|
||
height: 2px;
|
||
background: var(--color-paper-accent);
|
||
transition: width 0.3s ease-out;
|
||
}
|
||
.post-card-accent:hover::after {
|
||
width: 100%;
|
||
}
|
||
|
||
/* ========== Blur-up 渐进图片加载 ==========
|
||
放在 @layer components 内，与 .blur-img.post-card-cover-blur 同层，
|
||
这样特异性能正常生效（layer 外规则会无条件覆盖 layer 内规则，
|
||
导致卡片的 aspect-ratio:4/3 败给全局 var(--ar)）。 */
|
||
.blur-img {
|
||
position: relative;
|
||
display: block;
|
||
overflow: hidden;
|
||
aspect-ratio: var(--ar);
|
||
/* 加载中灰底（占位图未加载完时） */
|
||
background: var(--color-paper-code-bg, #f5f5f5);
|
||
border-radius: 6px;
|
||
margin: 1em 0;
|
||
}
|
||
.blur-img-placeholder {
|
||
position: absolute;
|
||
inset: 0;
|
||
width: 100%;
|
||
height: 100%;
|
||
object-fit: cover;
|
||
/* 重置 .md-content img 的 margin/max-width/height，避免把 absolute 图层推偏 */
|
||
margin: 0;
|
||
max-width: none;
|
||
/* 20px 占位图放大后模糊，scale 遮边缘 */
|
||
filter: blur(20px) saturate(1.2);
|
||
transform: scale(1.1);
|
||
transition: opacity 0.4s ease;
|
||
}
|
||
.blur-img-full {
|
||
position: absolute;
|
||
inset: 0;
|
||
width: 100%;
|
||
height: 100%;
|
||
object-fit: cover;
|
||
/* 重置 .md-content img 的 margin/max-width/height，避免把 absolute 图层推偏 */
|
||
margin: 0;
|
||
max-width: none;
|
||
opacity: 0;
|
||
z-index: 1;
|
||
}
|
||
/* full 加载完成后由 JS 直接设 opacity:1（不依赖 CSS transition，
|
||
避免合成层重绘时机导致 opacity 卡在 0）。 */
|
||
.blur-img-full.is-loaded,
|
||
.blur-img.is-loaded .blur-img-full {
|
||
opacity: 1;
|
||
}
|
||
/* 容器标记 loaded 后：显式隐藏占位图 + 去掉灰底，避免重绘时机导致残留/灰边 */
|
||
.blur-img.is-loaded .blur-img-placeholder {
|
||
opacity: 0;
|
||
}
|
||
.blur-img.is-loaded {
|
||
background: transparent;
|
||
}
|
||
|
||
/* 暗色模式灰底 */
|
||
.dark .blur-img {
|
||
background: var(--color-paper-code-bg, #2a2a2a);
|
||
}
|
||
}
|
||
|
||
@keyframes fadeIn {
|
||
from { opacity: 0; }
|
||
to { opacity: 1; }
|
||
}
|
||
|
||
@media screen and (max-width: 768px) {
|
||
.post-title {
|
||
font-size: 32px;
|
||
}
|
||
|
||
.md-content h1 {
|
||
font-size: 32px;
|
||
}
|
||
|
||
.md-content h2 {
|
||
font-size: 26px;
|
||
}
|
||
|
||
.md-content h3 {
|
||
font-size: 20px;
|
||
}
|
||
|
||
.paginav {
|
||
flex-direction: column;
|
||
}
|
||
|
||
.paginav a {
|
||
width: 100%;
|
||
}
|
||
|
||
.paginav .next {
|
||
margin-inline-start: 0;
|
||
text-align: left;
|
||
border-top: 1px solid var(--color-paper-border);
|
||
}
|
||
|
||
details.toc .inner {
|
||
margin: 0 1rem;
|
||
}
|
||
}
|
||
|
||
@keyframes pageEnter {
|
||
from {
|
||
opacity: 0;
|
||
transform: translateY(6px);
|
||
}
|
||
to {
|
||
opacity: 1;
|
||
transform: translateY(0);
|
||
}
|
||
}
|
||
|
||
.page-enter {
|
||
animation: pageEnter 0.15s ease-out;
|
||
}
|
||
|
||
@media (prefers-reduced-motion: reduce) {
|
||
html {
|
||
scroll-behavior: auto;
|
||
}
|
||
|
||
details::details-content {
|
||
transition: none;
|
||
}
|
||
|
||
.page-enter {
|
||
animation: none;
|
||
}
|
||
}
|
||
|
||
/* ========== Blur-up 渐进图片加载（已移入 @layer components） ========== */
|