@charset "UTF-8";
:root {
  --color-primary: #5454f8;
  --color-secondary: #267B54;
  --color-accent: #4088b8;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --text-primary: #2c3e50; /* Main text - WCAG AA compliant on white */
  --text-secondary: #64748b; /* Supporting text - improved contrast */
  --text-tertiary: #94a3b8; /* Muted text */
  --text-inverse: #ffffff; /* Text on dark backgrounds */
  --surface-background: #ffffff;
  --surface-elevated: #f8fafc; /* Cards, dropdowns */
  --surface-overlay: #f1f5f9; /* Modals, overlays */
  --surface-interactive: #e2e8f0; /* Hover states */
  --border-primary: #e2e8f0; /* Main borders */
  --border-secondary: #cbd5e1; /* Subtle borders */
  --border-interactive: var(--color-primary); /* Focus, active borders */
  --code-background: #f8fafc;
  --code-text: #475569;
  --code-keyword: #e96900; /* Light theme uses orange */
  --code-string: #22c55e;
  --code-number: #8b5cf6;
  --code-comment: #94a3b8;
  --color-primary-hover: color-mix(in srgb, var(--color-primary) 85%, black);
  --color-secondary-hover: color-mix(in srgb, var(--color-secondary) 85%, black);
  --surface-interactive-hover: color-mix(in srgb, var(--surface-interactive) 80%, var(--color-primary));
  --font-size-body: clamp(1.125rem, 1rem + 0.6vw, 1.375rem); /* ~18px to 22px */
  --spacing-paragraph: clamp(1rem, 0.8rem + 0.4vw, 1.5rem); /* 1rem to 1.5rem */
  --font-size-h1: clamp(2.25rem, 1.75rem + 2.8vw, 3.5rem); /* ~36px to 56px */
  --font-size-h2-h3: clamp(1.5rem, 1.3rem + 1vw, 2.125rem); /* ~24px to 34px */
  --font-size-h4-h6: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem); /* ~20px to 26px */
  --font-size-nav: clamp(1rem, 0.95rem + 0.15vw, 1.125rem); /* ~16px to 18px */
  --font-size-small: clamp(0.875rem, 0.8rem + 0.3vw, 1rem); /* ~14px to 16px */
  --font-size-code: clamp(1rem, 0.95rem + 0.4vw, 1.25rem); /* Increased to match body text better */
}

[data-theme=dark] {
  --color-primary: #818cf8; /* Higher contrast on dark */
  --color-secondary: #34d399;
  --color-accent: #60a5fa;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #f87171;
  --text-primary: #f1f5f9; /* 15.3:1 contrast ratio */
  --text-secondary: #cbd5e1; /* 10.4:1 contrast ratio */
  --text-tertiary: #94a3b8; /* 6.1:1 contrast ratio */
  --text-inverse: #0f172a;
  --surface-background: #0f172a; /* Dark navy for better contrast */
  --surface-elevated: #1e293b; /* Elevated surfaces */
  --surface-overlay: #334155; /* Overlays and modals */
  --surface-interactive: #475569; /* Interactive elements */
  --border-primary: #334155; /* Visible borders */
  --border-secondary: #1e293b; /* Subtle separators */
  --code-background: #1e293b;
  --code-text: #e2e8f0;
  --code-keyword: #60a5fa;
  --code-string: #34d399;
  --code-number: #a78bfa;
  --code-comment: #64748b;
  --color-primary-hover: color-mix(in srgb, var(--color-primary) 80%, white);
  --color-secondary-hover: color-mix(in srgb, var(--color-secondary) 80%, white);
  --surface-interactive-hover: color-mix(in srgb, var(--surface-interactive) 70%, var(--color-primary));
}

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */
body {
  margin: 0;
}

main {
  display: block;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */
hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */
a {
  background-color: transparent;
}

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted; /* 2 */
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */
img {
  border-style: none;
}

/* Forms
   ========================================================================== */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

button,
input { /* 1 */
  overflow: visible;
}

button,
select { /* 1 */
  text-transform: none;
}

button,
[type=button],
[type=reset],
[type=submit] {
  -webkit-appearance: button;
}

button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

button:-moz-focusring,
[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

progress {
  vertical-align: baseline;
}

textarea {
  overflow: auto;
}

[type=checkbox],
[type=radio] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

[type=search] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */
details {
  display: block;
}

summary {
  display: list-item;
}

/* Misc
   ========================================================================== */
template {
  display: none;
}

[hidden] {
  display: none;
}

/**
 * Modern CDN-Based Font Stack with Unicode-Range Optimization
 * Performance optimized with font-display: swap and CLS mitigation
 * Uses Google Fonts CDN WOFF2 files for optimal loading speed
 */
@font-face {
  font-family: "Open Sans";
  src: url("../fonts/opensans-regular-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Open Sans";
  src: url("../fonts/opensans-bold-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Open Sans Fallback";
  src: local("Arial");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  size-adjust: 107%;
  ascent-override: 97%;
  descent-override: 25%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "Open Sans Fallback";
  src: local("Arial Bold"), local("Arial-Bold");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  size-adjust: 107%;
  ascent-override: 97%;
  descent-override: 25%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/notosanssc-regular-chinese.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/notosanssc-bold-chinese.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}
@font-face {
  font-family: "Noto Sans JP";
  src: url("../fonts/NotoSansJP-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FAF;
}
@font-face {
  font-family: "Noto Sans JP";
  src: url("../fonts/NotoSansJP-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FAF;
}
@font-face {
  font-family: "Source Han Serif JP";
  src: url("../fonts/SourceHanSerif-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FAF;
}
@font-face {
  font-family: "Source Han Serif JP";
  src: url("../fonts/SourceHanSerif-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FAF;
}
@font-face {
  font-family: "Source Han Serif CN";
  src: url("../fonts/思源宋体-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}
@font-face {
  font-family: "Source Han Serif CN";
  src: url("../fonts/思源宋体-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
}
@font-face {
  font-family: "Source Han Code JP";
  src: url("../fonts/SourceHanCodeJP.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+3000-303F, U+3040-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FAF;
}
@font-face {
  font-family: "Source Han Sans SC";
  src: url("../fonts/SourceHanSansSC-VF.ttf.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3400-4DBF;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrainsmono-regular-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrainsmono-bold-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
::-moz-selection {
  color: var(--surface-background);
  background-color: var(--color-primary);
}
::selection {
  color: var(--surface-background);
  background-color: var(--color-primary);
}

::-moz-selection {
  color: var(--surface-background);
  background-color: var(--color-primary);
}

html {
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html, html body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--font-size-body);
  line-height: 1.8;
  background-color: var(--surface-background);
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
}

article,
aside,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
  display: block;
}

audio,
canvas,
progress,
video {
  display: inline-block;
  vertical-align: baseline;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden],
template {
  display: none;
}

a {
  background-color: transparent;
  color: var(--color-primary);
  text-decoration: none;
}
a:active, a:hover {
  outline: 0;
}

abbr[title] {
  border-bottom: 1px dotted;
}

b,
strong {
  font-weight: bold;
}

u {
  text-decoration: underline;
  -webkit-text-decoration-style: wavy;
          text-decoration-style: wavy;
  -webkit-text-decoration-color: currentColor;
          text-decoration-color: currentColor;
  text-underline-offset: clamp(4px, 0.1em, 6px);
}

dfn {
  font-style: italic;
}

.emphasis,
.em {
  -webkit-text-emphasis: filled circle;
          text-emphasis: filled circle;
  font-weight: normal;
  line-height: inherit; /* 保持原有行高 */
  display: inline; /* 确保行内显示 */
}

.emphasis-dot {
  -webkit-text-emphasis: filled dot;
          text-emphasis: filled dot;
  -webkit-text-emphasis-color: var(--color-primary);
          text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-circle {
  -webkit-text-emphasis: filled circle;
          text-emphasis: filled circle;
  -webkit-text-emphasis-color: var(--color-primary);
          text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-triangle {
  -webkit-text-emphasis: filled triangle;
          text-emphasis: filled triangle;
  -webkit-text-emphasis-color: var(--color-primary);
          text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-sesame {
  -webkit-text-emphasis: filled sesame;
          text-emphasis: filled sesame;
  -webkit-text-emphasis-color: var(--color-primary);
          text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

mark {
  background: var(--color-warning);
  color: var(--text-inverse);
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

p {
  margin: var(--spacing-paragraph) 0;
}

ul,
ol {
  margin: 1rem 0;
}
ul.nav, ul.post-list,
ol.nav,
ol.post-list {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

img {
  border: 0;
  max-width: 100%;
  margin: 1rem auto;
  display: block;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 1em 40px;
}

hr {
  box-sizing: content-box;
  height: 1px;
  border: 0;
  border-top: 1px solid var(--color-border, #e1e4e8);
  margin: 1.5rem 0;
}

pre {
  overflow: auto;
  color: var(--code-text);
  font-size: var(--font-size-code);
  background-color: var(--code-background);
  font-family: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, "Courier New", "Source Han Sans SC", "Source Han Code JP", monospace;
}

code {
  margin: 0 2px;
  padding: 3px 5px;
  color: var(--code-keyword);
  border-radius: 2px;
  white-space: inherit;
  font-size: var(--font-size-code);
  background-color: var(--code-background);
  font-family: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, "Courier New", "Source Han Sans SC", "Source Han Code JP", monospace;
}

h1 code {
  font-size: 0.65em;
}

h2 code,
h3 code {
  font-size: 0.75em;
}

h4 code,
h5 code,
h6 code {
  font-size: 0.8em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Open Sans", "Open Sans Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Noto Sans JP", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
}

body, p, article, section, li, dd, dt {
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
}

nav, button, input, select, textarea, .nav, .button, .menu, .site-nav, .nav-link {
  font-family: "Open Sans", "Open Sans Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Noto Sans JP", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
}

button {
  overflow: visible;
  text-transform: none;
}

button,
html input[type=button],
input[type=reset],
input[type=submit] {
  -webkit-appearance: button;
  cursor: pointer;
}
button[disabled],
html input[type=button][disabled],
input[type=reset][disabled],
input[type=submit][disabled] {
  cursor: default;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input {
  line-height: normal;
}
input[type=checkbox], input[type=radio] {
  box-sizing: border-box;
  padding: 0;
}
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button {
  height: auto;
}
input[type=search] {
  -webkit-appearance: textfield;
  box-sizing: content-box;
}
input[type=search]::-webkit-search-cancel-button, input[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

table {
  width: 100%;
  margin: 1em auto;
  border-collapse: collapse;
  border-spacing: 0;
}
table thead {
  background-color: var(--surface-interactive);
}
table thead th {
  padding: 5px;
  min-width: 20px;
}
table tbody tr:nth-child(2n) {
  background-color: var(--surface-elevated);
}
table tbody td {
  padding: 5px;
  vertical-align: text-top;
}

fieldset {
  border: 1px solid var(--border-primary);
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
}

optgroup {
  font-weight: bold;
}

.container {
  margin: 0 10px 2em;
}

.hidden {
  display: none !important;
}

/*
ruby {
  ruby-align: center;
  position: relative;
  display: inline-block;

  rt {
    font-size: 0.6em;
    color: var(--text-secondary);
    line-height: 1;
    text-align: center;
    font-weight: normal;

    // 强制设置正确的 ruby 位置
    ruby-position: over;
    -webkit-ruby-position: over;
    -moz-ruby-position: over;

    // 确保显示为 ruby 文本
    display: ruby-text;

    // 防止继承 text-emphasis 样式
    text-emphasis: none;
    text-emphasis-style: none;
  }
}
*/
img.emoji {
  width: 1em !important;
  height: 1em !important;
  vertical-align: -0.1em !important;
  margin: 0 !important;
  display: inline-block !important;
}

header {
  min-height: 60px;
}
header::after {
  content: "";
  display: table;
  clear: both;
}
header .logo-link {
  float: left;
}
header .logo-link img {
  height: 60px;
}
header .nav {
  float: right;
  left: 80px;
  width: auto;
}
header .nav-list {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 0;
}
header .nav-list-top {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
}
header .nav-list-bottom {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  margin: 0;
}
header .nav-list-item {
  display: inline-block;
  padding: 10px;
}
header .nav-list-item a {
  font-size: 16px;
  line-height: 1.4;
}

.site-nav .language-toggle, .site-nav .more-menu .more-toggle, .site-nav .nav-primary .nav-link, .site-nav .nav-controls .mobile-menu-details summary.hamburger-menu {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-nav);
  line-height: 1;
  height: 2.5rem;
  padding: 0 0.5rem;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
}
.site-nav .language-toggle:hover, .site-nav .more-menu .more-toggle:hover, .site-nav .nav-primary .nav-link:hover, .site-nav .nav-controls .mobile-menu-details summary.hamburger-menu:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.site-nav .language-toggle .icon, .site-nav .more-menu .more-toggle .icon, .site-nav .nav-primary .nav-link .icon, .site-nav .nav-controls .mobile-menu-details summary.hamburger-menu .icon {
  margin-left: 0.3rem;
  width: 0.875em;
  height: 0.875em;
  flex-shrink: 0;
}

@media screen and (max-width: 699px) {
  .hidden-mobile {
    display: none !important;
  }
}

@media screen and (min-width: 700px) {
  .hidden-desktop {
    display: none !important;
  }
}

.site-nav {
  width: auto;
}
.site-nav .nav-main {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 4rem;
}
.site-nav .nav-controls {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
}
.site-nav .nav-controls .mobile-menu-details {
  position: relative;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  border: none !important;
}
@media screen and (min-width: 700px) {
  .site-nav .nav-controls .mobile-menu-details {
    display: none !important;
  }
}
.site-nav .nav-controls .mobile-menu-details summary.hamburger-menu {
  width: 2.5rem;
  justify-content: center;
  list-style: none;
  cursor: pointer;
  border: none !important;
  background: transparent !important;
  padding: 0.5rem !important;
  margin: 0 !important;
}
.site-nav .nav-controls .mobile-menu-details summary.hamburger-menu::-webkit-details-marker, .site-nav .nav-controls .mobile-menu-details summary.hamburger-menu::marker {
  display: none;
}
.site-nav .nav-controls .mobile-menu-details summary.hamburger-menu:hover {
  border: none !important;
  background: transparent !important;
}
.site-nav .nav-controls .mobile-menu-details summary.hamburger-menu .icon-bars {
  margin-left: 0 !important;
}
.site-nav .nav-controls .mobile-menu-details summary.hamburger-menu .menu-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-nav .nav-controls .mobile-menu-details .mobile-menu-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  right: 0;
  background: var(--surface-background);
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  min-width: 200px;
  display: none;
  opacity: 1;
  transform: translateY(0) scale(1);
  animation: slideInDown 0.2s ease forwards;
}
.site-nav .nav-controls .mobile-menu-details .mobile-menu-dropdown::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
}
.site-nav .nav-controls .mobile-menu-details:not([open]) .mobile-menu-dropdown {
  display: none !important;
}
.site-nav .nav-controls .mobile-menu-details[open] .mobile-menu-dropdown {
  display: block !important;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-item {
  border-bottom: 1px solid var(--border-secondary);
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-item:last-child {
  border-bottom: none;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-link {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-nav);
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-link:hover {
  background-color: var(--surface-interactive);
  color: var(--color-primary);
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-link .icon {
  margin-left: 0.5rem;
  width: 0.875em;
  height: 0.875em;
  opacity: 0.7;
  flex-shrink: 0;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-item:first-child .mobile-nav-link {
  border-radius: 4px 4px 0 0;
}
.site-nav .nav-controls .mobile-menu-details .mobile-nav-item:last-child .mobile-nav-link {
  border-radius: 0 0 4px 4px;
}
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes slideOutUp {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-8px) scale(0.95);
  }
}
.site-nav .nav-primary {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem;
}
.site-nav .nav-primary .nav-list {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.5rem;
  align-content: center;
}
.site-nav .nav-tools {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
}
.site-nav .more-menu {
  position: relative;
}
.site-nav .more-menu:hover .more-dropdown, .site-nav .more-menu:focus-within .more-dropdown {
  display: block !important;
  opacity: 1;
  transform: translateY(0);
}
.site-nav .more-menu .more-toggle {
  gap: 0.5rem;
}
.site-nav .more-menu .more-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.site-nav .more-menu .more-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  right: 0;
  background-color: var(--surface-background);
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  z-index: 100;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.site-nav .more-menu .more-dropdown::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
}
.site-nav .more-menu .more-dropdown .dropdown-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav .more-menu .more-dropdown .dropdown-item {
  margin: 0;
  padding: 0;
}
.site-nav .more-menu .more-dropdown .dropdown-item .nav-link, .site-nav .more-menu .more-dropdown .dropdown-item .dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-nav);
  line-height: 1;
  min-height: 2.5rem;
  transition: background-color 0.3s ease-in-out;
}
.site-nav .more-menu .more-dropdown .dropdown-item .nav-link:hover, .site-nav .more-menu .more-dropdown .dropdown-item .dropdown-link:hover {
  color: var(--color-primary);
  background-color: var(--surface-interactive-hover);
}
.site-nav .more-menu .more-dropdown .dropdown-item .nav-link .icon, .site-nav .more-menu .more-dropdown .dropdown-item .dropdown-link .icon {
  width: 0.875em;
  height: 0.875em;
  flex-shrink: 0;
}
.site-nav .language-menu {
  position: relative;
}
.site-nav .language-menu:hover .language-dropdown, .site-nav .language-menu:focus-within .language-dropdown {
  display: block !important;
  opacity: 1;
  transform: translateY(0);
}
.site-nav .language-toggle {
  gap: 0.2rem;
}
.site-nav .language-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.site-nav .language-toggle .icon {
  margin-right: 0.3rem;
  margin-left: 0;
  width: 0.875em;
  height: 0.875em;
  flex-shrink: 0;
}
.site-nav .language-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  right: 0;
  background: var(--surface-background);
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  min-width: 120px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.site-nav .language-dropdown::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
}
.site-nav .language-dropdown .language-option {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-nav);
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease;
  border-bottom: 1px solid var(--border-secondary);
}
.site-nav .language-dropdown .language-option:last-child {
  border-bottom: none;
}
.site-nav .language-dropdown .language-option:hover {
  background-color: var(--surface-interactive);
  color: var(--color-primary);
}
.site-nav .language-dropdown .language-option:first-child {
  border-radius: 4px 4px 0 0;
}
.site-nav .language-dropdown .language-option:last-child {
  border-radius: 0 0 4px 4px;
}

@media screen and (max-width: 699px) {
  .site-nav .nav-primary {
    flex: 1;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }
  .site-nav .mobile-menu-details {
    display: block !important;
  }
  .nav-main {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 0 1rem;
  }
}
@media screen and (min-width: 700px) {
  .hidden-desktop {
    display: none !important;
  }
}
.theme-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-nav);
  line-height: 1;
  height: 2.5rem;
  padding: 0;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  background: none;
  border: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease-in-out;
  overflow: hidden;
}
.theme-toggle:hover {
  background-color: rgba(var(--color-primary), 0.1);
  color: var(--color-primary);
  border-bottom-color: transparent;
}
.theme-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.theme-icon {
  position: absolute;
  width: 1rem;
  height: 1rem;
  transition: all 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-icon .icon {
  width: 1rem;
  height: 1rem;
  transition: inherit;
}
.theme-icon.moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
.theme-icon.sun-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.5);
}

html {
  transition: background-color 300ms cubic-bezier(0.4, 0, 0.2, 1), color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme] * {
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1), border-color 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

@starting-style {
  #page-wrapper[data-theme] {
    opacity: 0;
    transform: scale(0.98);
  }
}
#page-wrapper[data-theme] {
  opacity: 1;
  transform: scale(1);
  transition: opacity 200ms cubic-bezier(0.4, 0, 0.2, 1), transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme=dark] .theme-toggle {
  color: var(--text-primary);
}
[data-theme=dark] .theme-toggle:hover {
  background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
}
[data-theme=dark] .theme-icon.moon-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.5);
}
[data-theme=dark] .theme-icon.sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

body {
  background-color: var(--surface-background);
  color: var(--text-primary);
}

.site-nav .nav-link,
.site-nav .more-toggle,
.site-nav .language-toggle,
.site-nav .mobile-nav-link {
  color: var(--text-primary);
}
.site-nav .nav-link:hover,
.site-nav .more-toggle:hover,
.site-nav .language-toggle:hover,
.site-nav .mobile-nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.site-nav .more-dropdown,
.site-nav .language-dropdown,
.site-nav .mobile-menu-dropdown {
  background: var(--surface-elevated);
  border-color: var(--border-primary);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--text-primary) 20%, transparent);
}
.site-nav .mobile-nav-item {
  border-bottom-color: var(--border-secondary);
}
.site-nav .mobile-nav-link:hover,
.site-nav .language-option:hover,
.site-nav .dropdown-link:hover {
  background-color: var(--surface-interactive);
  color: var(--color-primary);
}

.post-content h1, .post-content h2, .post-content h3, .post-content h4, .post-content h5, .post-content h6 {
  color: var(--text-primary);
}
.post-content h1 a:before, .post-content h2 a:before, .post-content h3 a:before, .post-content h4 a:before, .post-content h5 a:before, .post-content h6 a:before {
  color: var(--color-primary);
}
.post-content a {
  color: var(--color-primary);
}
.post-content a:hover {
  color: var(--color-primary-hover);
}
.post-content blockquote {
  border-left-color: var(--color-primary);
  color: var(--text-secondary);
}
.post-content .danger {
  background-color: var(--surface-elevated);
  border-left-color: var(--color-danger);
  color: var(--text-primary);
}
.post-content .danger:before {
  background-color: var(--color-danger);
}

figure.highlight {
  background-color: var(--code-background);
}
figure.highlight figcaption {
  background: var(--surface-interactive);
  border-bottom-color: var(--border-primary);
}
figure.highlight figcaption .filename {
  color: var(--text-tertiary);
}
figure.highlight figcaption .lang-name {
  color: var(--text-secondary);
}
figure.highlight figcaption .actions button {
  color: var(--text-secondary);
  border-color: var(--border-primary);
  background: transparent;
}
figure.highlight figcaption .actions button:hover {
  color: var(--color-primary);
  background: var(--surface-interactive-hover);
}
figure.highlight .gutter {
  background: var(--surface-interactive);
  border-right-color: var(--border-primary);
}
figure.highlight .gutter pre {
  background: var(--surface-interactive);
  color: var(--text-tertiary);
}
figure.highlight .code {
  background-color: var(--code-background);
  color: var(--code-text);
}

details {
  background: var(--surface-elevated);
  border-color: var(--border-primary);
}
details summary:hover {
  background: var(--surface-interactive);
}

.category-index .category-item a,
.tag-index .tag-item a {
  background-color: var(--surface-elevated);
  color: var(--color-primary);
}
.category-index .category-item a:hover,
.tag-index .tag-item a:hover {
  background-color: var(--surface-interactive);
  color: var(--text-primary);
}

.friend-link-card {
  background: var(--surface-elevated);
}
.friend-link-card__name {
  color: var(--text-primary);
}
.friend-link-card__description {
  color: var(--text-secondary);
}

footer .copyright {
  border-top-color: var(--border-primary);
}
footer .copyright p, footer .copyright a {
  color: var(--text-tertiary);
}
footer .copyright a:hover {
  color: var(--text-secondary);
}

.search-toggle {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  font: inherit;
  color: inherit;
  outline: none;
}
.search-toggle:focus {
  outline: none;
}
.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin: 0 4px;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background-color: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}
.search-toggle:hover {
  background-color: var(--surface-interactive);
  border-color: var(--border-interactive);
  color: var(--color-primary);
}
.search-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.search-toggle:active {
  transform: translateY(1px);
}
.search-toggle .icon {
  width: 16px;
  height: 16px;
}

.search-dialog {
  border: none;
  padding: 0;
  margin: auto;
  background: transparent;
  outline: none;
  max-width: min(90vw, 600px);
  max-height: min(80vh, 600px);
  border-radius: 8px;
  box-shadow: var(--card-shadow-hover);
  background-color: var(--surface-background);
  border: 1px solid var(--border-primary);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-20px) scale(0.95);
  transition: opacity 0.2s ease-out, transform 0.2s ease-out, overlay 0.2s ease-out allow-discrete, display 0.2s ease-out allow-discrete;
}
.search-dialog[open] {
  opacity: 1;
  transform: translateY(0) scale(1);
}
@starting-style {
  .search-dialog[open] {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
}
.search-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  background-color: var(--surface-elevated);
  border-bottom: 1px solid var(--border-primary);
}
.search-dialog__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}
.search-dialog__close {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  font: inherit;
  color: inherit;
  outline: none;
}
.search-dialog__close:focus {
  outline: none;
}
.search-dialog__close {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 4px;
  background-color: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}
.search-dialog__close:hover {
  background-color: var(--surface-interactive);
  color: var(--text-primary);
}
.search-dialog__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.search-dialog__close .icon {
  width: 16px;
  height: 16px;
}
.search-dialog__body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 300px;
  max-height: 400px;
}
.search-dialog__description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.search-dialog__input-wrapper {
  position: relative;
}
.search-dialog__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-primary);
  border-radius: 4px;
  background-color: var(--surface-background);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
  transition: border-color 0.3s ease-in-out;
}
.search-dialog__input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.search-dialog__input::-moz-placeholder {
  color: var(--text-tertiary);
}
.search-dialog__input::placeholder {
  color: var(--text-tertiary);
}
.search-dialog__input::-webkit-search-decoration, .search-dialog__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}
.search-dialog__results {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.search-dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.2s ease-out;
}

.search-dialog[open]::backdrop {
  opacity: 1;
}

.search-results {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--text-tertiary) transparent;
}
.search-results::-webkit-scrollbar {
  width: 6px;
}
.search-results::-webkit-scrollbar-track {
  background: transparent;
}
.search-results::-webkit-scrollbar-thumb {
  background-color: var(--text-tertiary);
  border-radius: 3px;
}
.search-results__empty, .search-results__loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
  font-style: italic;
}
.search-results__loading {
  position: relative;
}
.search-results__loading::after {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-left: 10px;
  border: 2px solid var(--text-tertiary);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: search-loading 1s linear infinite;
}
.search-results__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.search-result-item {
  padding: 1rem;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: all 0.3s ease-in-out;
}
.search-result-item:hover {
  background-color: var(--surface-elevated);
  border-color: var(--border-secondary);
}
.search-result-item__title {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
}
.search-result-item__title a {
  color: var(--text-primary);
  text-decoration: none;
}
.search-result-item__title a:hover {
  color: var(--color-primary);
}
.search-result-item__excerpt {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
}
.search-result-item__meta {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.search-keyword {
  background-color: var(--color-accent);
  color: var(--text-inverse);
  padding: 2px 4px;
  border-radius: 2px;
  font-weight: 600;
}

@media screen and (max-width: 699px) {
  .search-dialog {
    max-width: 95vw;
    max-height: 85vh;
  }
  .search-dialog__header {
    padding: 1rem;
  }
  .search-dialog__body {
    padding: 1rem;
    min-height: 250px;
  }
  .search-dialog__title {
    font-size: 1.1rem;
  }
  .search-toggle {
    margin: 0 2px;
    padding: 6px;
  }
}
@keyframes search-loading {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@media (prefers-contrast: high) {
  .search-dialog {
    border-width: 2px;
  }
  .search-dialog__input {
    border-width: 3px;
  }
  .search-keyword {
    outline: 2px solid var(--text-primary);
  }
}
@media (prefers-reduced-motion: reduce) {
  .search-dialog {
    transition: opacity 0.1s ease-out;
  }
  .search-dialog[open] {
    transform: none;
  }
  @starting-style {
    .search-dialog[open] {
      transform: none;
    }
  }
  .search-dialog::backdrop {
    transition: opacity 0.1s ease-out;
  }
  .search-results__loading::after {
    animation: none;
  }
}
/**
 * SVG Icon System Styles
 * Performance-optimized inline SVG icons replacing Font Awesome
 */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  fill: currentColor;
  color: inherit;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon * {
  fill: currentColor;
}
.icon.icon-bars {
  width: 1em;
  height: 1em;
}
.icon.icon-external-link {
  width: 0.875em;
  height: 0.875em;
}
.icon.icon-globe {
  width: 1em;
  height: 1em;
}
.icon.icon-chevron-down {
  width: 0.75em;
  height: 0.75em;
}
.icon.icon-moon, .icon.icon-sun {
  width: 1rem;
  height: 1rem;
}

.post {
  padding-top: 1rem;
}
.post-block .post-title {
  margin: 0.65em 0;
  color: var(--text-primary);
  font-size: var(--font-size-h1);
}
.post-block .post-title a {
  color: var(--text-primary);
}
.post-block .post-info {
  color: var(--text-secondary);
  margin: 1.2em 0;
}
.post-block .post-info span {
  margin-left: 0.5rem;
}
.post-block .post-info a.post-from {
  margin-left: 0.5rem;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: white;
  background-color: #E36B6B;
}
.post-reply {
  margin: 1em 0;
  padding: 0.5em 1em;
  border-left: 4px solid var(--color-accent);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 0.9em;
  border-radius: 4px;
}
.post-reply a {
  color: var(--color-accent);
  text-decoration: none;
}
.post-reply a:hover {
  text-decoration: underline;
  color: var(--color-primary);
}
.post .reply-block {
  margin: 1.5em 0;
  padding: 1em;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
}
.post .reply-block .reply-content {
  margin-bottom: 1em;
}
.post .reply-block .reply-content > *:first-child {
  margin-top: 0;
}
.post .reply-block .reply-content > p:last-child {
  margin-bottom: 0;
}
.post .reply-block .reply-meta {
  margin-top: 1em;
  padding-top: 0.5em;
  border-top: 1px solid var(--border-secondary);
  font-size: 0.9em;
  color: var(--text-secondary);
}
.post .reply-block .reply-meta .reply-label {
  font-weight: 500;
}
.post .reply-block .reply-meta .reply-target {
  color: var(--color-accent);
  text-decoration: none;
  word-break: break-all;
}
.post .reply-block .reply-meta .reply-target:hover {
  text-decoration: underline;
}
.post .reply-block .reply-meta {
  display: block;
  opacity: 0.8;
}
.post .reply-error {
  margin: 1em 0;
  padding: 0.5em 1em;
  background: var(--color-danger);
  color: white;
  border-radius: 4px;
  font-size: 0.9em;
}
.post-content p,
.post .e-content p {
  margin-top: 0;
}
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6,
.post .e-content h2,
.post .e-content h3,
.post .e-content h4,
.post .e-content h5,
.post .e-content h6 {
  position: relative;
  margin: 1em 0;
}
.post-content h2,
.post-content h3,
.post .e-content h2,
.post .e-content h3 {
  font-size: var(--font-size-h2-h3);
}
.post-content h4,
.post-content h5,
.post-content h6,
.post .e-content h4,
.post .e-content h5,
.post .e-content h6 {
  font-size: var(--font-size-h4-h6);
}
.post-content h2 a:before,
.post-content h3 a:before,
.post-content h4 a:before,
.post-content h5 a:before,
.post-content h6 a:before,
.post .e-content h2 a:before,
.post .e-content h3 a:before,
.post .e-content h4 a:before,
.post .e-content h5 a:before,
.post .e-content h6 a:before {
  content: "#";
  color: var(--color-primary);
  position: absolute;
  left: -0.7em;
  top: -4px;
  font-size: 1.2em;
  font-weight: bold;
}
.post-content h4 a:before,
.post-content h5 a:before,
.post-content h6 a:before,
.post .e-content h4 a:before,
.post .e-content h5 a:before,
.post .e-content h6 a:before {
  content: "";
}
.post-content a,
.post .e-content a {
  color: var(--color-primary);
  word-break: break-all;
  text-decoration: underline;
  -webkit-text-decoration-skip: ink;
          text-decoration-skip-ink: auto;
  -webkit-text-decoration-color: color-mix(in srgb, var(--color-primary) 60%, transparent);
          text-decoration-color: color-mix(in srgb, var(--color-primary) 60%, transparent);
  transition: -webkit-text-decoration-color 0.2s ease-in-out;
  transition: text-decoration-color 0.2s ease-in-out;
  transition: text-decoration-color 0.2s ease-in-out, -webkit-text-decoration-color 0.2s ease-in-out;
}
.post-content a:hover,
.post .e-content a:hover {
  -webkit-text-decoration-color: var(--color-primary);
          text-decoration-color: var(--color-primary);
}
.post-content blockquote,
.post .e-content blockquote {
  margin: 2em 0;
  padding-left: 20px;
  border-left: 4px solid var(--color-primary);
}
.post-content blockquote footer,
.post .e-content blockquote footer {
  margin-top: 0.5em;
}
.post-content blockquote footer cite::before,
.post .e-content blockquote footer cite::before {
  content: "——";
  margin: 0 0.2em;
}
.post-content blockquote:has(footer),
.post .e-content blockquote:has(footer) {
  border-left-color: var(--color-secondary);
}
.post-content img,
.post .e-content img {
  display: block;
  max-width: 100%;
  margin: 1em auto;
}
.post-content > table,
.post-content > figure.highlight,
.post .e-content > table,
.post .e-content > figure.highlight {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.125);
}
.post-content .danger, .post-content .warning, .post-content .alert-info, .post-content .success, .post-content .error,
.post .e-content .danger,
.post .e-content .warning,
.post .e-content .alert-info,
.post .e-content .success,
.post .e-content .error {
  position: relative;
  margin: 2em 0;
  padding: 12px 24px 12px 30px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  background-color: var(--surface-elevated);
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
}
.post-content .danger > p:last-child, .post-content .warning > p:last-child, .post-content .alert-info > p:last-child, .post-content .success > p:last-child, .post-content .error > p:last-child,
.post .e-content .danger > p:last-child,
.post .e-content .warning > p:last-child,
.post .e-content .alert-info > p:last-child,
.post .e-content .success > p:last-child,
.post .e-content .error > p:last-child {
  margin-bottom: 0;
}
.post-content .danger > p > br, .post-content .warning > p > br, .post-content .alert-info > p > br, .post-content .success > p > br, .post-content .error > p > br,
.post .e-content .danger > p > br,
.post .e-content .warning > p > br,
.post .e-content .alert-info > p > br,
.post .e-content .success > p > br,
.post .e-content .error > p > br {
  display: none;
}
.post-content .danger br:not(figure.highlight *), .post-content .warning br:not(figure.highlight *), .post-content .alert-info br:not(figure.highlight *), .post-content .success br:not(figure.highlight *), .post-content .error br:not(figure.highlight *),
.post .e-content .danger br:not(figure.highlight *),
.post .e-content .warning br:not(figure.highlight *),
.post .e-content .alert-info br:not(figure.highlight *),
.post .e-content .success br:not(figure.highlight *),
.post .e-content .error br:not(figure.highlight *) {
  display: none;
}
.post-content .danger:before, .post-content .warning:before, .post-content .alert-info:before, .post-content .success:before, .post-content .error:before,
.post .e-content .danger:before,
.post .e-content .warning:before,
.post .e-content .alert-info:before,
.post .e-content .success:before,
.post .e-content .error:before {
  position: absolute;
  top: 14px;
  left: -12px;
  width: 20px;
  height: 20px;
  border-radius: 100%;
  color: white;
  font-size: 14px;
  line-height: 20px;
  font-weight: bold;
  text-align: center;
  font-family: "Open Sans", "Open Sans Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Noto Sans JP", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
.post-content .danger,
.post .e-content .danger {
  border-left: 4px solid var(--color-danger);
}
.post-content .danger:before,
.post .e-content .danger:before {
  content: "!";
  background-color: var(--color-danger);
}
.post-content .warning,
.post .e-content .warning {
  border-left: 4px solid var(--color-warning);
}
.post-content .warning:before,
.post .e-content .warning:before {
  content: "⚠";
  background-color: var(--color-warning);
}
.post-content .alert-info,
.post .e-content .alert-info {
  border-left: 4px solid var(--color-primary);
}
.post-content .alert-info:before,
.post .e-content .alert-info:before {
  content: "i";
  background-color: var(--color-primary);
}
.post-content .success,
.post .e-content .success {
  border-left: 4px solid var(--color-success);
}
.post-content .success:before,
.post .e-content .success:before {
  content: "✓";
  background-color: var(--color-success);
}
.post-content .error,
.post .e-content .error {
  border-left: 4px solid var(--color-danger);
}
.post-content .error:before,
.post .e-content .error:before {
  content: "✕";
  background-color: var(--color-danger);
}
.post-content .details-toggle-btn,
.post .e-content .details-toggle-btn {
  display: inline-block;
  margin: 1rem 0;
  padding: 4px 12px;
  border-radius: 4px;
  border: none;
  border-bottom: 4px solid #3aa373;
  font-size: 14px;
  color: white;
  background-color: #4fc08d;
  cursor: pointer;
  font-weight: 500;
  font-family: "Georgia", "Times New Roman", "Times", "Source Han Serif CN", "Source Han Serif JP", "Noto Serif SC", "Source Han Serif SC", "Noto Serif JP", "Songti SC", "SimSun", serif;
  transition: all 0.3s ease-in-out;
}
.post-content .details-toggle-btn:hover,
.post .e-content .details-toggle-btn:hover {
  background-color: #22bd77;
}
.post-content .details-toggle-btn:active,
.post .e-content .details-toggle-btn:active {
  background-color: #22bd77;
}
.post-content .details-toggle-btn[data-state=expanded],
.post .e-content .details-toggle-btn[data-state=expanded] {
  background-color: #22bd77;
  border-bottom-color: #1a8a5d;
}

.home.post-list {
  margin: 2em 0;
}
.home.post-list .post-list-item {
  padding: 1em 0 2em;
  border-bottom: 1px solid var(--border-primary);
}
.home.post-list .post-list-item:last-child {
  border-bottom: 0;
}
.home.post-list .post-content h2:before,
.home.post-list .post-content h3:before,
.home.post-list .post-content h4:before,
.home.post-list .post-content h5:before,
.home.post-list .post-content h6:before {
  content: "";
}
.home.post-list .post-content > ul {
  list-style: initial;
}
.home.post-list .read-more {
  color: var(--color-primary);
}
.home.post-list .reply-block .reply-meta {
  display: none !important;
}
.home.post-list .post-list-item .reply-block .reply-meta {
  display: none !important;
}

.tag .post-item,
.category .post-item, .archive .post-item {
  display: flex;
  padding: 2px 0;
  margin-bottom: 0.5rem;
}
.tag .post-item .post-title-link,
.category .post-item .post-title-link, .archive .post-item .post-title-link {
  flex: 1;
  font-size: inherit;
  color: var(--color-primary);
  word-break: break-all;
}
.tag .post-item .post-title-link:hover,
.category .post-item .post-title-link:hover, .archive .post-item .post-title-link:hover {
  border-bottom: 0;
  color: var(--color-secondary);
}
.tag .post-item .post-info,
.category .post-item .post-info, .archive .post-item .post-info {
  flex: 0 0 125px;
  color: var(--text-secondary);
  font-size: 0.9em;
}

.category-index .category-item, .tag-index .tag-item {
  margin-bottom: 10px;
}
.category-index .category-item a, .tag-index .tag-item a {
  display: inline-block;
  padding: 5px 10px;
  background-color: var(--surface-elevated);
  border-radius: 4px;
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}
.category-index .category-item a:hover, .tag-index .tag-item a:hover {
  background-color: var(--surface-interactive);
  color: var(--text-primary);
}
.category-index .category-item a .tag-count, .tag-index .tag-item a .tag-count,
.category-index .category-item a .category-count,
.tag-index .tag-item a .category-count {
  color: var(--text-tertiary);
  font-size: 0.9em;
}

.tag,
.category, .category-index, .tag-index, .archive {
  max-width: 500px;
  margin: 5em auto;
}

.archive-year {
  font-size: 1.5em;
  color: var(--text-primary);
  margin: 2em 0 1em;
}
.archive .category-count,
.archive .tag-count {
  color: var(--text-tertiary);
  font-size: 0.9em;
}

.tag-index .tag-list {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.tag-index .tag-count {
  color: var(--text-tertiary);
  font-size: 0.9em;
}

.category-index .category-list {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.category-index .category-count {
  color: var(--text-tertiary);
  font-size: 0.9em;
}

figure.highlight {
  position: relative;
  margin: 1em 0;
  border-radius: 4px;
  background-color: var(--code-background);
}
figure.highlight figcaption {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  padding: 0.5em 1em;
  background: var(--surface-interactive);
  border-bottom: 1px solid var(--border-primary);
  gap: 1em;
}
figure.highlight figcaption .info {
  display: flex;
  align-items: center;
  gap: 0.8em;
  flex: 1;
}
figure.highlight figcaption .info .filename {
  font-family: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, "Courier New", "Source Han Sans SC", "Source Han Code JP", monospace;
  font-size: var(--font-size-code);
  color: var(--text-tertiary);
}
figure.highlight figcaption .info .lang-name {
  color: var(--text-secondary);
  font-size: var(--font-size-code);
  text-transform: uppercase;
}
figure.highlight figcaption .info .source-link {
  color: var(--text-tertiary);
  text-decoration: none;
}
figure.highlight figcaption .info .source-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}
figure.highlight figcaption .actions {
  display: flex;
  gap: 0.5em;
}
figure.highlight figcaption .actions button {
  padding: 0.3em 0.6em;
  font-size: var(--font-size-code);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
}
figure.highlight figcaption .actions button:hover {
  color: var(--color-primary);
  background: var(--surface-interactive-hover);
}
figure.highlight figcaption .actions button.copied {
  color: #2ecc71;
  border-color: #2ecc71;
}
figure.highlight table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  display: block;
}
figure.highlight .gutter,
figure.highlight .code {
  padding: 1em 0;
}
figure.highlight .gutter pre,
figure.highlight .code pre {
  margin: 0;
  padding: 0 1em;
  line-height: 1.5;
}
figure.highlight .gutter pre .line,
figure.highlight .code pre .line {
  min-height: 1.5em;
}
figure.highlight .gutter {
  position: sticky;
  left: 0;
  z-index: 1;
  width: 40px;
  background: var(--surface-interactive);
  border-right: 1px solid var(--border-primary);
}
figure.highlight .gutter pre {
  text-align: right;
  background: var(--surface-interactive);
  color: var(--text-tertiary);
}
figure.highlight .gutter.no-line-number {
  display: none;
}
figure.highlight .code {
  position: relative;
  background-color: var(--code-background);
}
figure.highlight .code pre .line.marked {
  background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
figure.highlight.folded {
  max-height: 600px;
  overflow-y: hidden;
}
figure.highlight.folded:has(.code pre)::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(transparent, var(--surface-elevated));
  pointer-events: none;
}
figure.highlight.folded:not(:has(.code pre:after)) {
  max-height: unset;
  overflow-y: visible;
}

pre {
  color: var(--text-primary);
  font-family: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, "Courier New", "Source Han Sans SC", "Source Han Code JP", monospace;
}
pre .function .keyword,
pre .constant {
  color: #0092db;
}
pre .keyword,
pre .attribute {
  color: var(--code-keyword);
}
pre .number,
pre .literal {
  color: #ae81ff;
}
pre .tag,
pre .tag .title,
pre .change,
pre .winutils,
pre .flow,
pre .lisp .title,
pre .clojure .built_in,
pre .nginx .title,
pre .tex .special {
  color: #2973b7;
}
pre .symbol,
pre .symbol .string,
pre .value,
pre .regexp {
  color: var(--color-primary);
}
pre .title {
  color: #83B917;
}
pre .tag .value,
pre .string,
pre .subst,
pre .haskell .type,
pre .preprocessor,
pre .ruby .class .parent,
pre .built_in,
pre .sql .aggregate,
pre .django .template_tag,
pre .django .variable,
pre .smalltalk .class,
pre .javadoc,
pre .django .filter .argument,
pre .smalltalk .localvars,
pre .smalltalk .array,
pre .attr_selector,
pre .pseudo,
pre .addition,
pre .stream,
pre .envvar,
pre .apache .tag,
pre .apache .cbracket,
pre .tex .command,
pre .prompt {
  color: var(--color-primary);
}
pre .comment,
pre .java .annotation,
pre .python .decorator,
pre .template_comment,
pre .pi,
pre .doctype,
pre .shebang,
pre .apache .sqbracket,
pre .tex .formula {
  color: #b3b3b3;
}
pre .deletion {
  color: #BA4545;
}
pre .coffeescript .javascript,
pre .javascript .xml,
pre .tex .formula,
pre .xml .javascript,
pre .xml .vbscript,
pre .xml .css,
pre .xml .cdata {
  opacity: 0.5;
}

details {
  margin: 1em 0;
  padding: 1em;
  background: var(--surface-elevated);
  border-radius: 4px;
  border: 1px solid var(--border-primary);
}
details summary {
  cursor: pointer;
  padding: 0.5em;
  margin: -0.5em;
  border-radius: 4px;
}
details summary:hover {
  background: var(--surface-interactive);
}
details summary::-webkit-details-marker {
  display: none;
}
details > *:not(summary):not(.diary-entry):first-of-type {
  margin-top: 1rem;
}
details[open] summary::before {
  transform: rotate(90deg);
}
details[open] > *:not(summary) {
  animation: details-show 0.2s ease-in-out;
}
details h2 a::before, details h3 a::before, details h4 a::before, details h5 a::before, details h6 a::before {
  display: none !important;
}

@keyframes details-show {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.paginator {
  margin: 4em 0;
  text-align: center;
}
.paginator .prev,
.paginator .next {
  display: inline-block;
  margin: 0 4px;
  padding: 4px 12px;
  border-radius: 4px;
  border-bottom: 4px solid #3aa373;
  font-size: 14px;
  color: white;
  background-color: #4fc08d;
}
.paginator .prev:hover,
.paginator .next:hover {
  background-color: #22bd77;
}

.friend-links__content {
  margin-bottom: 2em;
  padding: 0 1rem;
  line-height: 1.6;
}
.friend-links__title {
  margin-bottom: 2rem;
}
.friend-links__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0 1rem;
}
.friend-links a {
  color: var(--color-primary);
}
.friend-links a:hover {
  color: var(--color-primary-hover);
}

.friend-link-card {
  background: var(--surface-elevated);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}
.friend-link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.friend-link-card__link {
  text-decoration: none;
  color: inherit;
}
.friend-link-card__content {
  padding: 1.5rem;
}
.friend-link-card__name {
  font-size: 1.2rem;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
}
.friend-link-card__description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}
.friend-link-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-top: 1rem;
  -o-object-fit: cover;
     object-fit: cover;
}

footer {
  padding-bottom: 1px;
}
footer .copyright {
  margin: 4em 0;
  border-top: 1px solid var(--border-primary);
  text-align: center;
}
footer .copyright p, footer .copyright a {
  color: #aaa;
  font-size: 14px;
  font-weight: 100;
}
footer .copyright a:hover {
  color: #888;
}

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: absolute;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  top: 6px;
  left: 6px;
  z-index: 10000;
  background-color: var(--color-primary);
  color: var(--text-inverse);
  text-decoration: none;
  font-size: var(--font-size-nav);
  font-weight: 600;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  outline: 2px solid var(--text-inverse);
  outline-offset: 2px;
}
.skip-link:focus:hover {
  background-color: var(--color-primary-hover);
  text-decoration: underline;
}
[data-theme=dark] .skip-link:focus {
  background-color: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
  outline-color: var(--surface-background);
}

#main-content {
  outline: none;
}
#main-content:focus {
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.back-to-top {
  position: fixed;
  z-index: 200;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out, transform 0.3s ease-in-out, background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.back-to-top:hover, .back-to-top:focus {
  background: var(--surface-interactive);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.back-to-top:hover.is-visible, .back-to-top:focus.is-visible {
  transform: translateX(-50%) translateY(-2px);
}
.back-to-top:focus {
  outline: 2px solid var(--border-interactive);
  outline-offset: 2px;
}
.back-to-top svg {
  transition: transform 0.2s ease-in-out;
}
.back-to-top:hover svg {
  transform: translateY(-1px);
}
@media (min-width: 700px) {
  .back-to-top {
    top: auto;
    bottom: 2rem;
    left: auto;
    right: 2rem;
    width: 48px;
    height: 48px;
    transform: translateY(20px);
  }
  .back-to-top.is-visible {
    transform: translateY(0);
  }
  .back-to-top:hover.is-visible, .back-to-top:focus.is-visible {
    transform: translateY(-2px);
  }
}

.webmention-section {
  margin: 2em 0;
  padding: 1.5em;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background: var(--surface-elevated);
}
.webmention-section .webmention-title {
  margin: 0 0 1em 0;
  font-size: var(--font-size-h4-h6);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-secondary);
  padding-bottom: 0.5em;
}
.webmention-section .webmention-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.webmention-section .webmention-item {
  margin: 1em 0;
  padding: 1em;
  border: 1px solid var(--border-secondary);
  border-radius: 4px;
  background: var(--surface-background);
}
.webmention-section .webmention-item:first-child {
  margin-top: 0;
}
.webmention-section .webmention-item:last-child {
  margin-bottom: 0;
}
.webmention-section .webmention-author {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 0.5em;
  font-size: 0.9em;
  color: var(--text-secondary);
}
.webmention-section .webmention-author-photo {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  margin: 0 8px 0 0;
  background: var(--surface-interactive);
  -o-object-fit: cover;
     object-fit: cover;
}
.webmention-section .webmention-author-name {
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
}
.webmention-section .webmention-author-name:hover {
  text-decoration: underline;
}
.webmention-section .webmention-date {
  margin-left: auto;
  font-size: 0.85em;
  color: var(--text-tertiary);
}
.webmention-section .webmention-content {
  line-height: 1.6;
  color: var(--text-primary);
}
.webmention-section .webmention-content p {
  margin: 0.5em 0;
}
.webmention-section .webmention-content p:first-child {
  margin-top: 0;
}
.webmention-section .webmention-content p:last-child {
  margin-bottom: 0;
}
.webmention-section .webmention-content a {
  color: var(--color-primary);
  text-decoration: underline;
  -webkit-text-decoration-color: color-mix(in srgb, var(--color-primary) 60%, transparent);
          text-decoration-color: color-mix(in srgb, var(--color-primary) 60%, transparent);
  transition: -webkit-text-decoration-color 0.2s ease-in-out;
  transition: text-decoration-color 0.2s ease-in-out;
  transition: text-decoration-color 0.2s ease-in-out, -webkit-text-decoration-color 0.2s ease-in-out;
}
.webmention-section .webmention-content a:hover {
  -webkit-text-decoration-color: var(--color-primary);
          text-decoration-color: var(--color-primary);
}
.webmention-section .webmention-meta {
  margin-top: 0.5em;
  font-size: 0.85em;
  color: var(--text-tertiary);
}
.webmention-section .webmention-source {
  color: var(--color-accent);
  text-decoration: none;
}
.webmention-section .webmention-source:hover {
  text-decoration: underline;
}
.webmention-section .webmention-group {
  margin-top: 1em;
}
.webmention-section .webmention-group:first-child {
  margin-top: 0;
}
.webmention-section .webmention-group-title {
  margin: 0 0 0.5em 0;
  font-size: 0.95em;
  font-weight: 600;
  color: var(--text-secondary);
}
.webmention-section .webmention-compact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0;
  margin: 0;
}
.webmention-section .webmention-compact-item {
  display: inline-block;
  line-height: 0;
}
.webmention-section .webmention-compact-item:hover .webmention-compact-photo {
  opacity: 0.8;
}
.webmention-section .webmention-compact-photo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  -o-object-fit: cover;
     object-fit: cover;
  background: var(--surface-interactive);
  transition: opacity 0.2s;
}
.webmention-section .webmention-compact-name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.webmention-section .webmention-loading {
  text-align: center;
  padding: 2em;
  color: var(--text-secondary);
}
.webmention-section .webmention-error {
  padding: 1em;
  background: var(--color-danger);
  color: var(--text-inverse);
  border-radius: 4px;
  margin: 1em 0;
}
.webmention-section .webmention-empty {
  text-align: center;
  padding: 2em;
  color: var(--text-secondary);
  font-style: italic;
}

figure.diary-media {
  margin: 0.75rem 0;
}
figure.diary-media img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}
figure.diary-media details {
  margin-top: 0.5rem;
}
figure.diary-media details summary {
  cursor: pointer;
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}
figure.diary-media details summary .show-more {
  color: var(--color-primary);
}
figure.diary-media details figcaption {
  margin-top: 0.5rem !important;
  font-size: var(--font-size-small) !important;
  color: var(--text-secondary) !important;
  line-height: 1.4 !important;
  text-align: center !important;
}
figure.diary-media figcaption {
  margin-top: 0.5rem !important;
  font-size: var(--font-size-small) !important;
  color: var(--text-secondary) !important;
  line-height: 1.4 !important;
  text-align: center !important;
}

details[data-group=diary_sections] figure.diary-media figcaption {
  margin-top: 0.5rem !important;
  font-size: var(--font-size-small) !important;
  color: var(--text-secondary) !important;
  line-height: 1.4 !important;
  text-align: center !important;
}
details[data-group=diary_sections] .diary-entry:first-of-type {
  margin-top: 1rem;
}

.diary-entry > p:first-of-type {
  margin-top: 1rem;
}

.diary-cw {
  margin: 0.5rem 0;
}
.diary-cw .diary-cw-warning {
  cursor: pointer;
  padding: 0.5em 1em;
  background: var(--surface-overlay);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: var(--font-size-small);
}
.diary-cw .diary-cw-warning::before {
  content: "⚠️ ";
}
.diary-cw .diary-cw-content {
  margin-top: 0.5rem;
}

.diary-media-sensitive img {
  filter: blur(20px);
  transition: filter 0.3s ease;
  cursor: pointer;
}
.diary-media-sensitive:hover img, .diary-media-sensitive.revealed img {
  filter: none;
}

.diary-source-link {
  display: inline-flex;
  align-items: center;
  margin-left: 0.5em;
  color: var(--text-tertiary);
  opacity: 0.6;
  transition: opacity 0.2s ease, color 0.2s ease;
}
.diary-source-link:hover {
  opacity: 1;
  color: var(--color-primary);
}
.diary-source-link .icon-external-link {
  width: 0.875em;
  height: 0.875em;
}

.diary-reply-context {
  margin: 0 0 0.75rem 0;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--color-accent);
  background: var(--surface-elevated);
  font-size: 0.9em;
  border-radius: 0 4px 4px 0;
}
.diary-reply-context .diary-reply-meta {
  margin-bottom: 0.25rem;
}
.diary-reply-context .diary-reply-time {
  font-size: 0.85em;
  color: var(--text-tertiary);
}
.diary-reply-context .diary-reply-author {
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}
.diary-reply-context .diary-reply-preview {
  color: var(--text-tertiary);
  font-size: 0.9em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.diary-quote-context {
  margin: 0 0 0.75rem 0;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--color-accent);
  background: var(--surface-elevated);
  font-size: 0.9em;
  border-radius: 0 4px 4px 0;
}
.diary-quote-context .diary-quote-meta {
  margin-bottom: 0.25rem;
}
.diary-quote-context .diary-quote-label {
  font-size: 0.85em;
  color: var(--text-tertiary);
}
.diary-quote-context .diary-quote-preview {
  color: var(--text-tertiary);
  font-size: 0.9em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.diary-quote-external {
  margin: 0 0 0.5rem 0;
}
.diary-quote-external .diary-quote-link {
  font-size: 0.85em;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.diary-quote-external .diary-quote-link:hover {
  color: var(--color-primary);
}

.diary-reply-ref {
  margin: 0 0 0.25rem 0;
}
.diary-reply-ref .diary-reply-link {
  font-size: 0.85em;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.diary-reply-ref .diary-reply-link:hover {
  color: var(--color-primary);
}

.neodb-section {
  margin: 1.5rem 0;
}
.neodb-section h3 {
  margin: 1.5rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 1.1em;
  color: var(--text-primary);
}
.neodb-section h3:first-child {
  margin-top: 0;
}
.neodb-section h4 {
  margin: 1rem 0 0.5rem;
  font-size: 0.95em;
  color: var(--text-secondary);
  font-weight: 500;
}

.neodb-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.neodb-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border-color-light, rgba(128, 128, 128, 0.2));
}
.neodb-item:last-child {
  border-bottom: none;
}
.neodb-item > a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}
.neodb-item > a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.neodb-rating {
  color: var(--color-warning, #f5a623);
  font-size: 0.9em;
  letter-spacing: -1px;
}

.neodb-status {
  font-size: 0.8em;
  color: var(--text-tertiary);
  padding: 0.1em 0.4em;
  background: var(--surface-overlay);
  border-radius: 3px;
}

.neodb-comment {
  width: 100%;
  margin: 0.5rem 0 0 0;
  font-size: 0.9em;
  color: var(--text-secondary);
  line-height: 1.5;
}
.neodb-comment::before {
  content: "「";
  color: var(--text-tertiary);
}
.neodb-comment::after {
  content: "」";
  color: var(--text-tertiary);
}

@media screen and (max-width: 699px) {
  .neodb-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .neodb-comment {
    margin-top: 0.5rem;
  }
}
@media screen and (min-width: 700px) {
  .wrap {
    width: 700px;
    margin: 0 auto;
  }
  header {
    padding: 20px 100px;
  }
}
@media screen and (max-width: 699px) {
  header a.logo-link,
  header ul.nav.nav-list {
    float: none;
    display: block;
    text-align: center;
  }
  header .nav-list-top,
  header .nav-list-bottom {
    justify-content: center;
  }
  header li.nav-list-item {
    padding: 10px;
  }
  main.container,
  .home.post-list,
  .archive {
    margin-top: 0;
  }
  .post-content h2, .post-content h3, .post-content h4, .post-content h5, .post-content h6 {
    max-width: 300px;
  }
  .ds-thread,
  #disqus_thread {
    margin: 2em 10px;
  }
  .nav-list-top,
  .nav-list-bottom {
    justify-content: center;
  }
}
@media (max-width: 768px) {
  .friend-links__grid {
    grid-template-columns: 1fr;
  }
}