xfy
8bdc3553bd
several bugs found via in-browser debugging, all in lightbox.js + the
blur-up CSS:
1. DOMRect attribute mismatch: getBoundingClientRect returns .width/
.height, but code read .w/.h -> NaN transforms. map rectOf() to a
uniform {x,y,w,h}.
2. zoom scale base was the huge original natural size (2942px), so the
centered state collapsed to a tiny scale and the open animation ran
backwards (shrink). base the scale on originRect instead: first
frame is the in-article image at scale 1, centered state scales to
target.w/originRect.w. open is always grow, close always shrink.
3. scroll-to-close fired on a phantom scroll jump: the oversized
original img (layout size = naturalW) expanded the document's
scrollable area. set img layout size explicitly and add
overflow:hidden on the (position:fixed) overlay so the img cannot
expand the body.
4. first open animation jumped from the wrong position: a single rAF
was not enough to commit the no-transition first frame. use a forced
reflow (offsetHeight) + double-rAF before starting the transition.
5. blur-up full layer stuck at opacity 0 until a forced reflow (opening
the lightbox) repainted it. drop the opacity transition on .blur-img-
full and set opacity:1 from JS on load (deterministic, no repaint
race). mark the container .is-loaded and hide the placeholder via
the container class.
6. a 16px grey gap above in-article images: .md-content img { margin:
1rem 0 } applied to the absolute .blur-img-full too, pushing it
down. reset margin:0 / max-width:none on the blur-up img layers.
768 lines
16 KiB
CSS
768 lines
16 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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/* ========== 统一灯箱（Medium 风格） ========== */
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.lightbox-overlay {
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position: fixed;
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inset: 0;
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z-index: 50;
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/* overflow:hidden 裁剪超大的 absolute img，防止原图（可能数千 px）
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撑大文档可滚动区，否则会触发非预期的 scroll 事件。 */
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overflow: hidden;
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background: rgba(0, 0, 0, 0.92);
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opacity: 1;
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}
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/* 灯箱图片：绝对定位，尺寸/位置由 JS 的 transform 控制。
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transform-origin 为 top left，配合 translate+scale 实现原地缩放。
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显式 width/height 由 JS 设置为原图尺寸，确保布局尺寸确定，
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||
transform 只做视觉缩放，不改变占位。 */
|
||
.lightbox-img {
|
||
position: absolute;
|
||
left: 0;
|
||
top: 0;
|
||
transform-origin: top left;
|
||
max-width: none;
|
||
max-height: none;
|
||
object-fit: contain;
|
||
opacity: 1;
|
||
}
|
||
|
||
.lightbox-caption {
|
||
position: fixed;
|
||
left: 0;
|
||
right: 0;
|
||
bottom: 2rem;
|
||
text-align: center;
|
||
color: rgba(255, 255, 255, 0.85);
|
||
font-size: 0.95rem;
|
||
padding: 0 2rem;
|
||
pointer-events: none;
|
||
z-index: 2;
|
||
}
|
||
|
||
.lightbox-counter {
|
||
position: fixed;
|
||
right: 1.5rem;
|
||
bottom: 1.5rem;
|
||
color: rgba(255, 255, 255, 0.7);
|
||
font-size: 0.85rem;
|
||
z-index: 2;
|
||
}
|
||
|
||
.lightbox-nav {
|
||
position: fixed;
|
||
top: 50%;
|
||
transform: translateY(-50%);
|
||
background: transparent;
|
||
border: none;
|
||
color: rgba(255, 255, 255, 0.7);
|
||
font-size: 3rem;
|
||
line-height: 1;
|
||
width: 3rem;
|
||
height: 5rem;
|
||
cursor: pointer;
|
||
z-index: 2;
|
||
border-radius: 0.5rem;
|
||
transition: color 0.2s ease-out, background 0.2s ease-out;
|
||
}
|
||
.lightbox-nav:hover {
|
||
color: #fff;
|
||
background: rgba(255, 255, 255, 0.1);
|
||
}
|
||
.lightbox-prev { left: 1rem; }
|
||
.lightbox-next { right: 1rem; }
|
||
|
||
/* 卡片封面：blur-img 结构，固定 4:3 比例，hover 缩放 */
|
||
.post-card-cover-blur {
|
||
margin: 0;
|
||
aspect-ratio: 4 / 3;
|
||
}
|
||
.post-card-cover-blur img {
|
||
width: 100%;
|
||
height: 100%;
|
||
object-fit: cover;
|
||
transition: transform 0.3s ease-out;
|
||
}
|
||
.group:hover .post-card-cover-blur img {
|
||
transform: scale(1.05);
|
||
}
|
||
|
||
a.accent-link {
|
||
color: var(--color-paper-accent);
|
||
text-decoration: none;
|
||
transition: color 0.2s ease-out;
|
||
}
|
||
a.accent-link:hover {
|
||
color: var(--color-paper-primary);
|
||
}
|
||
|
||
.post-card-accent {
|
||
position: relative;
|
||
}
|
||
.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%;
|
||
}
|
||
}
|
||
|
||
@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 ========== */
|
||
.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);
|
||
}
|