@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));
}

::-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;
}