/* =========================================================
   wychmod 技术知识平台 - Notion editorial redesign
   Source: DESIGN.md Notion-inspired system
   Principles: light canvas, deep navy cover, purple primary CTA,
   pastel feature surfaces, sober 8px buttons, 12px cards.
   ========================================================= */

:root {
  /* Brand */
  --notion-primary: #6d4aff;
  --notion-primary-pressed: #5636d7;
  --notion-primary-deep: #3f2aa5;
  --notion-brand-navy: #101827;
  --notion-brand-navy-deep: #0b1220;
  --notion-link-blue: #0b6bcb;
  --notion-link-blue-pressed: #064f99;

  /* Accent spectrum */
  --notion-pink: #ef5da8;
  --notion-orange: #e9783f;
  --notion-purple: #8b5cf6;
  --notion-teal: #20a6a4;
  --notion-green: #27a866;
  --notion-yellow: #ffd866;
  --notion-brown: #8b5e3c;

  /* Pastel card tints */
  --tint-peach: #fff0e6;
  --tint-rose: #ffeaf3;
  --tint-mint: #eaf8ef;
  --tint-lavender: #f1ecff;
  --tint-sky: #eaf5ff;
  --tint-yellow: #fff7cf;
  --tint-yellow-bold: #ffd95a;
  --tint-cream: #fbf5e9;
  --tint-gray: #f6f5f2;

  /* Surfaces */
  --canvas: #ffffff;
  --surface: #f7f6f3;
  --surface-soft: #fbfaf8;
  --surface-raised: #ffffff;
  --hairline: #e8e5df;
  --hairline-soft: #f0eee9;
  --hairline-strong: #d8d3ca;

  /* Text */
  --ink-deep: #111111;
  --ink: #1f1f1f;
  --charcoal: #37352f;
  --slate: #5f5d57;
  --steel: #78756f;
  --stone: #9b978f;
  --muted: #b8b2aa;
  --on-dark: #ffffff;
  --on-dark-muted: rgba(255, 255, 255, 0.72);

  /* Semantic */
  --semantic-success: #178f55;
  --semantic-warning: #c7741f;
  --semantic-error: #d64545;

  /* Docsify compatibility */
  --theme-color: var(--notion-primary);
  --theme-color-light: #8a6dff;
  --theme-color-dark: var(--notion-primary-pressed);
  --bg-primary: var(--canvas);
  --bg-secondary: var(--surface);
  --bg-tertiary: var(--surface-soft);
  --bg-surface: var(--surface-raised);
  --bg-elevated: var(--canvas);
  --text-primary: var(--ink);
  --text-secondary: var(--slate);
  --text-tertiary: var(--steel);
  --text-muted: var(--stone);
  --border-subtle: var(--hairline-soft);
  --border-default: var(--hairline);
  --border-strong: var(--hairline-strong);

  /* Type */
  --font-sans: "Notion Sans", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --type-caption: 0.8125rem;
  --type-small: 0.875rem;
  --type-body: 1rem;
  --type-subtitle: 1.125rem;
  --type-h4: 1.375rem;
  --type-h3: 1.75rem;
  --type-h2: 56px;
  --type-hero: 80px;

  /* Spacing */
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  --space-section: 96px;
  --space-hero: 120px;

  /* Radius */
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-xxl: 20px;
  --rounded-full: 9999px;

  /* Elevation */
  --shadow-subtle: 0 1px 2px rgba(15, 15, 15, 0.04);
  --shadow-card: 0 4px 12px rgba(15, 15, 15, 0.08);
  --shadow-mockup: 0 24px 48px -8px rgba(15, 15, 15, 0.2);
  --shadow-modal: 0 16px 48px -8px rgba(15, 15, 15, 0.16);
  --shadow-focus: 0 0 0 3px rgba(109, 74, 255, 0.16);

  /* Motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 260ms;
  --duration-slow: 420ms;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(109, 74, 255, 0.06), transparent 28rem),
    linear-gradient(180deg, var(--canvas) 0%, var(--surface-soft) 100%) !important;
  color: var(--charcoal) !important;
  font-family: var(--font-sans) !important;
  font-size: 16px !important;
  letter-spacing: 0 !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body,
#main,
.content,
.markdown-section {
  background-color: transparent !important;
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* Loading */
div#app {
  color: var(--charcoal) !important;
  font-weight: 500 !important;
  letter-spacing: -0.02em !important;
}

.progress {
  background: linear-gradient(90deg, var(--notion-primary), #a58bff, var(--notion-yellow)) !important;
  height: 3px !important;
  box-shadow: 0 0 14px rgba(109, 74, 255, 0.25);
}

/* Top navigation */
.app-nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 64px !important;
  margin: 0 !important;
  padding: 0 32px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px !important;
  background: #ffffff !important;
  border-bottom: 1px solid var(--hairline) !important;
  box-shadow: 0 1px 0 rgba(15, 15, 15, 0.02) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: 120 !important;
}

.app-nav::before {
  content: "wychmod workspace";
  flex: 0 0 auto;
  margin-right: auto;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.app-nav p,
.app-nav ul,
.app-nav li {
  margin: 0 !important;
}

.app-nav li,
.app-nav ul {
  display: inline-flex !important;
  align-items: center !important;
}

.app-nav li {
  padding: 0 !important;
  margin: 0 2px !important;
}

.app-nav a {
  display: inline-flex !important;
  align-items: center !important;
  min-height: 38px !important;
  padding: 8px 12px !important;
  border-radius: var(--rounded-md) !important;
  color: var(--slate) !important;
  border: 1px solid transparent !important;
  font-size: var(--type-small) !important;
  font-weight: 500 !important;
  line-height: 1.3 !important;
  transition: background var(--duration-fast) var(--ease-out-quart), color var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart), transform var(--duration-fast) var(--ease-out-quart) !important;
}

.app-nav a:hover,
.app-nav a.active {
  color: var(--ink) !important;
  background: var(--surface) !important;
  border-color: var(--hairline) !important;
  text-decoration: none !important;
}

.app-nav .top-nav-primary,
.app-nav a.top-nav-primary {
  color: var(--on-dark) !important;
  background: var(--notion-primary) !important;
  border-color: var(--notion-primary) !important;
  box-shadow: 0 6px 16px rgba(109, 74, 255, 0.22) !important;
}

.app-nav a[href*="github"]:not(.top-nav-primary),
.app-nav a[href*="GitHub"]:not(.top-nav-primary) {
  color: var(--slate) !important;
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
}

.app-nav li ul {
  top: 42px !important;
  right: 0 !important;
  padding: 8px !important;
  background: var(--canvas) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  box-shadow: var(--shadow-modal) !important;
}

.app-nav li ul li {
  display: block !important;
  width: 100% !important;
}

.app-nav li ul li a {
  width: 100% !important;
  justify-content: flex-start !important;
  color: var(--slate) !important;
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
}

/* Sidebar */
.sidebar {
  top: 64px !important;
  width: 304px !important;
  padding: 22px 18px 40px !important;
  background: rgba(247, 246, 243, 0.92) !important;
  border-right: 1px solid var(--hairline) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
}

.sidebar-toggle {
  top: 74px !important;
  bottom: auto !important;
  width: 44px !important;
  height: 44px !important;
  padding: 12px !important;
  border-radius: var(--rounded-md) !important;
  background: var(--canvas) !important;
  border: 1px solid var(--hairline) !important;
  box-shadow: var(--shadow-subtle) !important;
}

.sidebar-toggle span {
  background-color: var(--charcoal) !important;
}

.sidebar h1 {
  margin: 0 0 18px !important;
  padding: 0 8px !important;
  font-size: 18px !important;
  font-weight: 600 !important;
  letter-spacing: -0.02em !important;
  color: var(--ink) !important;
}

.sidebar ul,
.sidebar li {
  margin: 0 !important;
}

.sidebar-nav {
  line-height: 1.45 !important;
}

.sidebar-nav img.emoji {
  display: none !important;
}

.sidebar-nav > ul > li {
  margin: 8px 0 14px !important;
}

.sidebar-nav > ul > li > p,
.sidebar-nav > ul > li > a {
  display: flex !important;
  align-items: center !important;
  min-height: 34px !important;
  margin: 0 0 5px !important;
  padding: 7px 10px !important;
  color: var(--charcoal) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.01em !important;
  border-radius: var(--rounded-md) !important;
}

.sidebar-nav a {
  display: block !important;
  padding: 6px 10px 6px 20px !important;
  border-radius: var(--rounded-md) !important;
  color: var(--steel) !important;
  font-size: 13px !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;
  border: 1px solid transparent !important;
  transition: background var(--duration-fast) var(--ease-out-quart), color var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart), transform var(--duration-fast) var(--ease-out-quart) !important;
}

.sidebar-nav a:hover {
  color: var(--charcoal) !important;
  background: var(--canvas) !important;
  border-color: var(--hairline) !important;
  text-decoration: none !important;
  transform: translateX(2px) !important;
}

.sidebar-nav .active,
.sidebar-nav li.active > a {
  color: var(--notion-primary) !important;
  background: var(--tint-lavender) !important;
  border-color: rgba(109, 74, 255, 0.22) !important;
  font-weight: 600 !important;
}

.search {
  margin: 0 0 18px !important;
  padding: 0 !important;
  border-bottom: 0 !important;
}

.search input {
  width: 100% !important;
  height: 44px !important;
  padding: 0 14px !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-md) !important;
  background: var(--canvas) !important;
  color: var(--ink) !important;
  font-size: 14px !important;
  box-shadow: var(--shadow-subtle) !important;
  transition: border-color var(--duration-fast) var(--ease-out-quart), box-shadow var(--duration-fast) var(--ease-out-quart) !important;
}

.search input:focus {
  border-color: var(--notion-primary) !important;
  box-shadow: var(--shadow-focus) !important;
  outline: none !important;
}

.search input::placeholder {
  color: var(--stone) !important;
}

.search .matching-post {
  margin: 8px 0 !important;
  padding: 10px !important;
  border: 1px solid var(--hairline) !important;
  border-left: 3px solid var(--notion-primary) !important;
  border-radius: var(--rounded-md) !important;
  background: var(--canvas) !important;
}

.search .search-keyword {
  color: var(--notion-primary) !important;
}

/* Layout */
.content {
  padding-top: 64px !important;
  left: 304px !important;
}

.markdown-section {
  max-width: 860px !important;
  padding: 64px 40px 72px !important;
  color: var(--charcoal) !important;
}

body[data-page="README.md"] .markdown-section {
  max-width: 1280px !important;
}

body[data-page="README.md"] .home-section-head {
  max-width: 860px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

body[data-page="README.md"] .home-section-head p,
body[data-page="README.md"] .markdown-section .home-section-head p {
  margin-right: auto !important;
  margin-left: auto !important;
}

.edit-page-link {
  margin: -20px 0 18px !important;
  max-width: none !important;
  text-align: right !important;
}

.edit-page-link a {
  display: inline-flex !important;
  align-items: center !important;
  min-height: 32px !important;
  padding: 5px 9px !important;
  color: var(--notion-link-blue) !important;
  background: var(--surface) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-sm) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
}

.markdown-section > *:first-child {
  margin-top: 0 !important;
}

.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4,
.markdown-section h5 {
  color: var(--ink) !important;
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  letter-spacing: -0.025em !important;
  border: 0 !important;
}

.markdown-section h1 {
  margin: 0 0 28px !important;
  padding: 0 0 22px !important;
  font-size: 3rem !important;
  line-height: 1.15 !important;
  letter-spacing: -0.5px !important;
  border-bottom: 1px solid var(--hairline) !important;
}

.markdown-section h2 {
  margin: 2.4em 0 0.75em !important;
  padding-bottom: 0 !important;
  font-size: 2.25rem !important;
  line-height: 1.20 !important;
  letter-spacing: -0.5px !important;
}

.markdown-section h3 {
  margin: 2em 0 0.65em !important;
  font-size: 1.75rem !important;
  line-height: 1.25 !important;
}

.markdown-section h4 {
  margin: 1.65em 0 0.5em !important;
  font-size: 1.375rem !important;
  line-height: 1.30 !important;
  color: var(--charcoal) !important;
}

.anchor span {
  color: var(--notion-primary) !important;
}

.markdown-section p,
.markdown-section li {
  color: var(--slate) !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
  line-height: 1.55 !important;
}

.markdown-section p {
  margin: 0 0 1.1em !important;
  max-width: 72ch;
}

.markdown-section strong {
  color: var(--charcoal) !important;
  font-weight: 500 !important;
}

.markdown-section a {
  color: var(--notion-link-blue) !important;
  font-weight: 500 !important;
  border-bottom: 1px solid rgba(11, 107, 203, 0.18) !important;
  transition: color var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart), background var(--duration-fast) var(--ease-out-quart) !important;
}

.markdown-section a:hover {
  color: var(--notion-link-blue-pressed) !important;
  border-bottom-color: rgba(11, 107, 203, 0.55) !important;
  text-decoration: none !important;
}

.markdown-section ul,
.markdown-section ol {
  padding-left: 1.45rem !important;
  margin: 0.85em 0 1.25em !important;
}

.markdown-section li::marker {
  color: var(--notion-primary) !important;
}

.markdown-section blockquote {
  margin: 1.6em 0 !important;
  padding: 18px 20px !important;
  color: var(--charcoal) !important;
  background: var(--tint-cream) !important;
  border: 1px solid var(--hairline) !important;
  border-left: 4px solid var(--notion-yellow) !important;
  border-radius: 0 var(--rounded-lg) var(--rounded-lg) 0 !important;
  box-shadow: var(--shadow-subtle) !important;
}

.markdown-section blockquote p {
  color: var(--charcoal) !important;
}

.markdown-section code {
  padding: 0.2em 0.45em !important;
  border-radius: var(--rounded-sm) !important;
  background: var(--tint-lavender) !important;
  color: var(--notion-primary-deep) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.9em !important;
  font-weight: 500 !important;
}

.markdown-section pre {
  margin: 1.6em 0 !important;
  padding: 20px !important;
  border-radius: var(--rounded-lg) !important;
  border: 1px solid var(--hairline) !important;
  background: #f7f6f3 !important;
  box-shadow: var(--shadow-card) !important;
}

.markdown-section pre code {
  padding: 0 !important;
  color: var(--charcoal) !important;
  background: transparent !important;
  font-size: 13.5px !important;
  line-height: 1.7 !important;
}

.markdown-section table {
  display: table !important;
  width: 100% !important;
  margin: 1.7em 0 !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  overflow: hidden !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  background: var(--canvas) !important;
  box-shadow: var(--shadow-subtle) !important;
}

.markdown-section table th {
  padding: 13px 16px !important;
  color: var(--charcoal) !important;
  background: var(--surface) !important;
  border-bottom: 1px solid var(--hairline) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  text-transform: none !important;
}

.markdown-section table td {
  padding: 13px 16px !important;
  color: var(--slate) !important;
  border-top: 0 !important;
  border-bottom: 1px solid var(--hairline-soft) !important;
}

.markdown-section table tr:nth-child(even) {
  background: var(--surface-soft) !important;
}

.markdown-section table tr:hover {
  background: var(--tint-sky) !important;
}

.markdown-section hr {
  height: 1px !important;
  margin: 2.5em 0 !important;
  border: 0 !important;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent) !important;
}

.markdown-section img {
  border-radius: var(--rounded-lg) !important;
  border: 1px solid var(--hairline) !important;
  box-shadow: var(--shadow-card) !important;
  transition: transform var(--duration-normal) var(--ease-out-quart), box-shadow var(--duration-normal) var(--ease-out-quart) !important;
}

.markdown-section img:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-mockup) !important;
}

.markdown-section kbd {
  border-color: var(--hairline-strong) !important;
  background: var(--surface) !important;
  color: var(--charcoal) !important;
}

/* Details */
details {
  margin: 1.15em 0 !important;
  padding: 15px 18px !important;
  background: var(--canvas) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  box-shadow: var(--shadow-subtle) !important;
}

details summary {
  color: var(--charcoal) !important;
  font-weight: 600 !important;
  cursor: pointer !important;
}

details[open] summary {
  margin-bottom: 12px !important;
  color: var(--notion-primary) !important;
}

/* Cover page */
.cover {
  min-height: 100dvh !important;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 216, 102, 0.14), transparent 10rem),
    radial-gradient(circle at 84% 24%, rgba(239, 93, 168, 0.12), transparent 12rem),
    radial-gradient(circle at 68% 86%, rgba(32, 166, 164, 0.10), transparent 13rem),
    linear-gradient(145deg, var(--notion-brand-navy-deep), var(--notion-brand-navy)) !important;
  color: var(--on-dark) !important;
  overflow: hidden !important;
}

.cover::before,
.cover::after {
  content: "" !important;
  position: absolute !important;
  pointer-events: none !important;
  z-index: 0 !important;
}

.cover::before {
  inset: 0 !important;
  background-image:
    radial-gradient(circle 6px at 12% 26%, rgba(255, 216, 102, 0.75) 100%, transparent 100%),
    radial-gradient(circle 5px at 17% 32%, rgba(239, 93, 168, 0.75) 100%, transparent 100%),
    radial-gradient(circle 4px at 10% 38%, rgba(32, 166, 164, 0.75) 100%, transparent 100%),
    radial-gradient(circle 5px at 82% 22%, rgba(139, 92, 246, 0.72) 100%, transparent 100%),
    radial-gradient(circle 4px at 86% 30%, rgba(255, 216, 102, 0.70) 100%, transparent 100%),
    radial-gradient(circle 4px at 88% 18%, rgba(39, 168, 102, 0.70) 100%, transparent 100%),
    radial-gradient(circle at 45% 52%, rgba(255,255,255,0.04), transparent 42%),
    conic-gradient(from 220deg at 52% 58%, transparent 0deg, rgba(255,255,255,0.05) 70deg, transparent 140deg),
    linear-gradient(62deg, transparent 48.5%, rgba(255,255,255,0.04) 49%, rgba(255,255,255,0.04) 49.5%, transparent 50%),
    linear-gradient(-22deg, transparent 56.5%, rgba(255,255,255,0.04) 57%, rgba(255,255,255,0.04) 57.5%, transparent 58%) !important;
  mask-image: radial-gradient(circle at 50% 42%, black 0%, transparent 72%) !important;
}

.cover::after {
  width: 520px !important;
  height: 520px !important;
  right: -190px !important;
  bottom: -190px !important;
  border-radius: 42% 58% 46% 54% / 48% 42% 58% 52% !important;
  transform: rotate(-12deg) !important;
  background:
    radial-gradient(circle 3px at 18% 22%, rgba(255, 216, 102, 0.55) 100%, transparent 100%),
    radial-gradient(circle 2px at 22% 18%, rgba(239, 93, 168, 0.45) 100%, transparent 100%),
    radial-gradient(circle 2px at 72% 28%, rgba(139, 92, 246, 0.45) 100%, transparent 100%),
    radial-gradient(circle 2px at 78% 74%, rgba(32, 166, 164, 0.45) 100%, transparent 100%),
    conic-gradient(from 150deg at 52% 54%, transparent 0deg, rgba(255,255,255,0.05) 55deg, transparent 110deg),
    linear-gradient(68deg, transparent 47.5%, rgba(255,255,255,0.06) 48%, rgba(255,255,255,0.06) 48.5%, transparent 49%),
    linear-gradient(-18deg, transparent 61.5%, rgba(255,255,255,0.06) 62%, rgba(255,255,255,0.06) 62.5%, transparent 63%) !important;
}

.cover-main {
  position: relative !important;
  z-index: 1 !important;
  max-width: 1120px !important;
  width: min(100%, 1120px) !important;
  margin-right: auto !important;
  margin-left: auto !important;
  padding: 120px 32px 72px !important;
}

.cover-main > p:first-child img,
.cover-main img[alt="logo"] {
  width: 74px !important;
  height: 74px !important;
  margin-bottom: 18px !important;
  border-radius: var(--rounded-xl) !important;
  border: 1px solid rgba(255,255,255,0.22) !important;
  background: rgba(255,255,255,0.08) !important;
  box-shadow: 0 18px 36px rgba(0,0,0,0.22) !important;
}

.cover h1,
.cover .cover-title {
  max-width: 960px !important;
  margin: 0 auto 18px !important;
  color: var(--on-dark) !important;
  font-size: 5rem !important;
  font-weight: 600 !important;
  line-height: 1.05 !important;
  letter-spacing: -0.025em !important;
  text-shadow: none !important;
}

.cover h2,
.cover .cover-subtitle {
  max-width: 760px !important;
  margin: 0 auto 24px !important;
  color: var(--on-dark-muted) !important;
  font-size: 1.125rem !important;
  font-weight: 400 !important;
  line-height: 1.50 !important;
  letter-spacing: 0 !important;
}

.cover p {
  color: var(--on-dark-muted) !important;
}

.cover .cover-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--rounded-full);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.82);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.notion-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--tint-yellow-bold);
  box-shadow: 14px 0 0 var(--notion-pink), 28px 0 0 var(--notion-teal);
}

.cover .notion-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 860px;
  margin: 26px auto 30px;
}

.cover .notion-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--rounded-sm);
  background: rgba(255,255,255,0.09);
  color: var(--on-dark);
  font-size: 13px;
  font-weight: 600;
}

.cover .cover-actions,
.cover-main > p:last-child {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  gap: 12px !important;
  margin: 28px auto 34px !important;
}

.cover .cover-actions a,
.cover-main > p:last-child a {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 44px !important;
  padding: 10px 18px !important;
  margin: 0 !important;
  border-radius: var(--rounded-md) !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.30 !important;
  text-decoration: none !important;
  transition: transform var(--duration-fast) var(--ease-out-quart), box-shadow var(--duration-fast) var(--ease-out-quart), background var(--duration-fast) var(--ease-out-quart) !important;
}

.cover .cover-actions a:first-child,
.cover-main > p:last-child a:first-child {
  color: var(--on-dark) !important;
  background: var(--notion-primary) !important;
  border: 1px solid var(--notion-primary) !important;
  box-shadow: 0 10px 24px rgba(109,74,255,0.34) !important;
}

.cover .cover-actions a:not(:first-child),
.cover-main > p:last-child a:not(:first-child) {
  color: var(--on-dark-muted) !important;
  background: transparent !important;
  border: 1px solid rgba(255,255,255,0.28) !important;
  box-shadow: none !important;
}

.cover .cover-actions a:hover,
.cover-main > p:last-child a:hover {
  transform: translateY(-2px) !important;
}

.workspace-mockup {
  max-width: 980px;
  margin: 36px auto 0;
  overflow: hidden;
  text-align: left;
  color: var(--charcoal);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  box-shadow: var(--shadow-mockup);
}

.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  background: var(--surface-soft);
}

.workspace-title {
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 600;
}

.workspace-tabs {
  display: flex;
  gap: 8px;
}

.workspace-tabs span {
  padding: 4px 8px;
  border-radius: var(--rounded-sm);
  color: var(--steel);
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
}

.workspace-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 14px;
  padding: 18px;
}

.workspace-panel {
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  background: var(--surface-soft);
}

.workspace-panel:nth-child(1) { background: var(--tint-sky); }
.workspace-panel:nth-child(2) { background: var(--tint-yellow); }
.workspace-panel:nth-child(3) { background: var(--tint-mint); }

.workspace-panel strong {
  display: block;
  margin-bottom: 12px;
  color: var(--charcoal) !important;
  font-size: 14px;
}

.workspace-line {
  height: 9px;
  margin: 9px 0;
  border-radius: var(--rounded-full);
  background: rgba(55,53,47,0.16);
}

.workspace-line.short { width: 62%; }
.workspace-line.mid { width: 78%; }

.cover-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 980px;
  margin: 26px auto 0;
}

.cover-stat {
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--rounded-lg);
  background: rgba(255,255,255,0.08);
  color: var(--on-dark);
  text-align: left;
}

.cover-stat b {
  display: block;
  margin-bottom: 5px;
  color: var(--on-dark);
  font-size: 22px;
  letter-spacing: -0.02em;
}

.cover-stat span {
  color: var(--on-dark-muted);
  font-size: 13px;
}

/* Markdown homepage special cards */
#home-terminal {
  overflow: hidden !important;
  color: var(--on-dark-muted) !important;
  background: linear-gradient(145deg, var(--notion-brand-navy-deep), var(--notion-brand-navy)) !important;
  border: 1px solid rgba(255,255,255,0.14) !important;
  border-radius: var(--rounded-xl) !important;
  box-shadow: var(--shadow-mockup) !important;
}

#home-terminal > div:first-child {
  background: rgba(255,255,255,0.06) !important;
  border-bottom: 1px solid rgba(255,255,255,0.12) !important;
}

#home-terminal span[style*="#3b82f6"],
#home-terminal span[style*="#60a5fa"],
#home-terminal div[style*="#3b82f6"],
#home-terminal div[style*="#60a5fa"] {
  color: #b8a8ff !important;
}

#home-terminal div[style*="#00ff00"] {
  color: #8ee7b6 !important;
}

#home-terminal div[style*="rgba(59, 130, 246"] {
  background: rgba(255,255,255,0.08) !important;
  border-left-color: var(--tint-yellow-bold) !important;
}

.markdown-section .notion-feature-grid,
.notion-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.markdown-section .notion-card,
.notion-card {
  padding: 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  background: var(--surface-soft);
  box-shadow: var(--shadow-subtle);
}

.notion-card.sky { background: var(--tint-sky); }
.notion-card.yellow { background: var(--tint-yellow-bold); }
.notion-card.mint { background: var(--tint-mint); }
.notion-card.rose { background: var(--tint-rose); }
.notion-card.lavender { background: var(--tint-lavender); }

.notion-card h3,
.notion-card h4 {
  margin-top: 0 !important;
}

/* TOC */
.page_toc {
  position: fixed !important;
  right: 24px !important;
  top: 92px !important;
  width: 240px !important;
  max-height: calc(100vh - 136px) !important;
  max-height: calc(100dvh - 136px) !important;
  padding: 16px !important;
  overflow-y: auto !important;
  background: rgba(255,255,255,0.9) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  box-shadow: var(--shadow-card) !important;
  backdrop-filter: blur(18px) !important;
}

.page_toc .toc-title {
  margin-bottom: 10px !important;
  padding-bottom: 10px !important;
  color: var(--charcoal) !important;
  border-bottom: 1px solid var(--hairline) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
}

.page_toc ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.page_toc a {
  display: block !important;
  padding: 6px 8px !important;
  border-radius: var(--rounded-sm) !important;
  color: var(--steel) !important;
  font-size: 13px !important;
  border-left: 2px solid transparent !important;
}

.page_toc a:hover,
.page_toc a.active {
  color: var(--notion-primary) !important;
  background: var(--tint-lavender) !important;
  border-left-color: var(--notion-primary) !important;
  text-decoration: none !important;
}

@media screen and (max-width: 1400px) {
  .page_toc { display: none !important; }
}

/* Pagination */
.pagination-item {
  margin: 12px 6px !important;
  padding: 14px 18px !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  background: var(--canvas) !important;
  color: var(--notion-link-blue) !important;
  box-shadow: var(--shadow-subtle) !important;
  transition: transform var(--duration-fast) var(--ease-out-quart), box-shadow var(--duration-fast) var(--ease-out-quart), border-color var(--duration-fast) var(--ease-out-quart) !important;
}

.pagination-item:hover {
  transform: translateY(-2px) !important;
  border-color: rgba(109, 74, 255, 0.3) !important;
  box-shadow: var(--shadow-card) !important;
}

/* Terminal / command palette */
#terminal-trigger,
#back-to-top {
  position: fixed !important;
  right: 28px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: var(--rounded-lg) !important;
  cursor: pointer !important;
  transition: transform var(--duration-fast) var(--ease-out-quart), box-shadow var(--duration-fast) var(--ease-out-quart), background var(--duration-fast) var(--ease-out-quart) !important;
}

#terminal-trigger {
  bottom: 28px !important;
  width: 56px !important;
  height: 56px !important;
  color: var(--on-dark) !important;
  background: var(--notion-primary) !important;
  border: 1px solid var(--notion-primary) !important;
  box-shadow: 0 12px 28px rgba(109,74,255,0.28) !important;
  z-index: 999 !important;
  font-size: 18px !important;
  font-family: var(--font-mono) !important;
}

#terminal-trigger:hover,
#back-to-top:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-modal) !important;
}

#back-to-top {
  bottom: 96px !important;
  width: 46px !important;
  height: 46px !important;
  display: none !important;
  opacity: 0 !important;
  color: var(--notion-primary) !important;
  background: var(--canvas) !important;
  border: 1px solid var(--hairline) !important;
  box-shadow: var(--shadow-card) !important;
  z-index: 998 !important;
}

#back-to-top.visible {
  display: flex !important;
  opacity: 1 !important;
}

#terminal-overlay {
  display: none !important;
  position: fixed !important;
  inset: 0 !important;
  z-index: 9998 !important;
  background: rgba(16,24,39,0.55) !important;
  backdrop-filter: blur(10px) !important;
}

#terminal-overlay.active { display: block !important; }

#terminal-window {
  display: none !important;
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  width: min(900px, calc(100vw - 40px)) !important;
  height: min(640px, calc(100vh - 80px)) !important;
  height: min(640px, calc(100dvh - 80px)) !important;
  overflow: hidden !important;
  transform: translate(-50%, -50%) !important;
  background: var(--notion-brand-navy) !important;
  border: 1px solid rgba(255,255,255,0.14) !important;
  border-radius: var(--rounded-xl) !important;
  box-shadow: var(--shadow-modal), 0 32px 80px rgba(0,0,0,0.35) !important;
  z-index: 9999 !important;
}

#terminal-window.active {
  display: flex !important;
  flex-direction: column !important;
  animation: terminalOpen 0.26s var(--ease-out-expo) !important;
}

@keyframes terminalOpen {
  from { opacity: 0; transform: translate(-50%, -48%) scale(0.98); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

#terminal-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 14px 18px !important;
  background: rgba(255,255,255,0.06) !important;
  border-bottom: 1px solid rgba(255,255,255,0.12) !important;
}

#terminal-controls {
  display: flex !important;
  gap: 8px !important;
}

.terminal-control-btn {
  width: 12px !important;
  height: 12px !important;
  border-radius: 50% !important;
}

/* 仅保留红色关闭按钮 (无功能的 minimize/maximize 已从 DOM 移除) */
.terminal-control-btn.close {
  background: #ff6b6b !important;
  cursor: pointer !important;
}

#terminal-title {
  color: var(--on-dark-muted) !important;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
}

#terminal-body {
  flex: 1 !important;
  overflow-y: auto !important;
  padding: 18px !important;
  background: var(--notion-brand-navy-deep) !important;
  color: var(--on-dark-muted) !important;
  font-family: var(--font-mono) !important;
  font-size: 13.5px !important;
  line-height: 1.7 !important;
}

#terminal-output { color: var(--on-dark-muted) !important; }
.terminal-line { margin: 4px 0 !important; word-wrap: break-word !important; }
.terminal-prompt { color: #a58bff !important; font-weight: 600 !important; }
.terminal-command { color: #b8a8ff !important; }
.terminal-result { color: var(--on-dark-muted) !important; }
.terminal-error { color: #ff8f8f !important; }
.terminal-success { color: #8ee7b6 !important; }
.terminal-warning { color: #ffd866 !important; }
.terminal-info { color: rgba(255,255,255,0.58) !important; }
.terminal-directory { color: #b8a8ff !important; font-weight: 600 !important; }
.terminal-file { color: #8ee7b6 !important; }

#terminal-input-line {
  display: flex !important;
  align-items: center !important;
  margin-top: 10px !important;
}

/* 输入区: 镜像文本 + 块光标渲染真实 caret 位置;
   原生 input 透明覆盖其上捕获键盘/点击, 块光标即输入位置 */
#terminal-input-wrap {
  position: relative !important;
  flex: 1 !important;
  min-width: 0 !important;
  display: flex !important;
  align-items: center !important;
}

#terminal-mirror {
  flex: 1 !important;
  min-width: 0 !important;
  display: flex !important;
  align-items: center !important;
  overflow: hidden !important;
  white-space: pre !important;
  pointer-events: none !important;
  color: var(--on-dark) !important;
  font-family: var(--font-mono) !important;
  font-size: 13.5px !important;
  line-height: 1.7 !important;
}

#terminal-mirror-before,
#terminal-mirror-after {
  flex: 0 0 auto !important;
  white-space: pre !important;
}

#terminal-input {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  color: transparent !important;
  caret-color: transparent !important;
  background: transparent !important;
  border: 0 !important;
  outline: 0 !important;
  font-family: var(--font-mono) !important;
  font-size: 13.5px !important;
}

#terminal-cursor {
  flex: 0 0 auto !important;
  display: inline-block !important;
  width: 8px !important;
  height: 16px !important;
  border-radius: 1px !important;
  background: #a58bff !important;
}

/* 仅输入框聚焦时闪烁, 未聚焦保持静止 */
#terminal-input-wrap:focus-within #terminal-cursor {
  animation: cursorBlink 1s infinite !important;
}

@keyframes cursorBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Reading progress */
#reading-progress {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 0% !important;
  height: 3px !important;
  z-index: 1001 !important;
  background: linear-gradient(90deg, var(--notion-primary), #a58bff, var(--notion-yellow)) !important;
  transition: width 0.2s var(--ease-out-quart) !important;
}

/* GitHub corner */
.github-corner svg {
  fill: var(--notion-primary) !important;
  color: var(--canvas) !important;
}

/* Gitalk / footer */
.gitalk-container {
  margin-top: 48px !important;
  padding-top: 24px !important;
  border-top: 1px solid var(--hairline) !important;
}

footer {
  margin-top: 48px !important;
  padding-top: 22px !important;
  border-top: 1px solid var(--hairline) !important;
  color: var(--steel) !important;
  font-size: 13px !important;
}

footer a { color: var(--notion-link-blue) !important; }

/* Mermaid */
.mermaid {
  margin: 2em 0 !important;
  text-align: center !important;
}

.mermaid svg {
  max-width: 100% !important;
  height: auto !important;
  border-radius: var(--rounded-lg);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px !important; height: 8px !important; }
::-webkit-scrollbar-track { background: transparent !important; }
::-webkit-scrollbar-thumb { background: #d8d3ca !important; border-radius: 999px !important; }
::-webkit-scrollbar-thumb:hover { background: #c5beb4 !important; }

::selection {
  color: var(--ink) !important;
  background: rgba(109,74,255,0.18) !important;
}

*:focus-visible {
  outline: 2px solid var(--notion-primary) !important;
  outline-offset: 2px !important;
  border-radius: var(--rounded-xs) !important;
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .app-nav {
    padding: 0 20px !important;
    overflow-x: auto !important;
    justify-content: flex-start !important;
  }

  .app-nav::before { display: none; }

  .sidebar {
    top: 0 !important;
    padding-top: 72px !important;
  }

  .content {
    left: 0 !important;
    padding-top: 64px !important;
  }

  body.close .sidebar,
  body.close .sidebar-toggle {
    transform: translateX(-304px) !important;
  }

  body.close .content {
    left: 0 !important;
  }
}

@media screen and (max-width: 768px) {
  body {
    font-size: 15px !important;
  }

  .app-nav {
    height: 58px !important;
    padding: 0 14px !important;
  }

  .app-nav a {
    min-height: 36px !important;
    padding: 7px 10px !important;
    white-space: nowrap !important;
  }

  .content {
    padding-top: 58px !important;
  }

  .markdown-section {
    padding: 30px 20px 56px !important;
  }

  .markdown-section h1 {
    font-size: 2.25rem !important;
  }

  .cover-main {
    padding: 74px 18px 46px !important;
  }

  .cover .notion-chips {
    gap: 8px;
  }

  .cover .notion-chip {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 12px;
  }

  .workspace-grid,
  .cover-stats {
    grid-template-columns: 1fr;
  }

  .workspace-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  #terminal-trigger {
    right: 18px !important;
    bottom: 18px !important;
    width: 50px !important;
    height: 50px !important;
  }

  #back-to-top {
    right: 18px !important;
    bottom: 82px !important;
  }

  #terminal-window {
    width: calc(100vw - 22px) !important;
    height: calc(100vh - 44px) !important;
    height: calc(100dvh - 44px) !important;
    border-radius: var(--rounded-lg) !important;
  }

  .cover-main > p:last-child a,
  .cover .cover-actions a {
    width: 100% !important;
    max-width: 280px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================================
   Codex pixel pass: DESIGN.md fidelity layer
   Locks the main Docsify shell to the Notion-style geometry,
   spacing, type scale, hero composition, and homepage sections.
   ========================================================= */

body {
  background: linear-gradient(180deg, var(--canvas) 0%, var(--surface-soft) 100%) !important;
}

.app-nav {
  height: 64px !important;
  padding-right: max(32px, calc((100vw - 1584px) / 2 + 32px)) !important;
  padding-left: 18px !important;
}

.app-nav::before {
  content: "wychmod workspace";
  display: inline-flex;
  align-items: center;
  flex: 0 0 268px;
  min-height: 38px;
  padding-left: 14px;
  background: none;
}

.cover {
  min-height: 860px !important;
}

.cover-main {
  max-width: 1120px !important;
  width: min(100%, 1120px) !important;
  margin-right: auto !important;
  margin-left: auto !important;
  padding: 120px 32px 72px !important;
}

.cover h1,
.cover .cover-title {
  max-width: 960px !important;
  margin-bottom: 18px !important;
  font-size: 80px !important;
  line-height: 1.05 !important;
  letter-spacing: -2px !important;
}

.cover h2,
.cover .cover-subtitle {
  max-width: 760px !important;
  margin-bottom: 0 !important;
  font-size: 18px !important;
  line-height: 1.5 !important;
  letter-spacing: 0 !important;
}

.cover-search {
  position: relative;
  display: flex;
  align-items: center;
  width: min(100%, 620px);
  height: 44px;
  margin: 28px auto 0;
  padding: 0 14px 0 44px;
  color: var(--charcoal);
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: var(--rounded-md);
  box-shadow: 0 16px 34px rgba(0,0,0,0.18);
}

.cover-search-icon {
  position: absolute;
  left: 16px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--steel);
  border-radius: 999px;
}

.cover-search-icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -5px;
  width: 7px;
  height: 2px;
  border-radius: 999px;
  background: var(--steel);
  transform: rotate(45deg);
}

.cover-search input {
  width: 100%;
  height: 42px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
}

.cover-search input::placeholder {
  color: var(--stone);
}

.cover-search:focus-within {
  border-color: rgba(109, 74, 255, 0.65);
  box-shadow: 0 16px 34px rgba(0,0,0,0.18), var(--shadow-focus);
}

.cover .notion-chips {
  margin-top: 24px;
  margin-bottom: 28px;
}

.cover .notion-chip {
  min-height: 32px;
  border-radius: var(--rounded-sm);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.24) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.cover .cover-actions {
  margin: 0 auto 34px !important;
}

.workspace-mockup {
  max-width: 1010px !important;
  margin-top: 34px !important;
}

.workspace-topbar {
  min-height: 52px;
  padding: 13px 18px !important;
}

.workspace-tabs {
  flex-wrap: wrap;
}

.workspace-grid {
  min-height: 220px;
  gap: 14px !important;
  padding: 18px !important;
}

.workspace-panel {
  display: flex;
  flex-direction: column;
  min-height: 178px !important;
  padding: 16px !important;
}

.workspace-panel strong {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
}

.status-dot.sky { background: #4da3ff; }
.status-dot.yellow { background: #f0b429; }
.status-dot.mint { background: #27a866; }

.workspace-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
}

.workspace-tags span {
  padding: 4px 7px;
  color: var(--slate);
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(55,53,47,0.06);
  border-radius: var(--rounded-sm);
  font-size: 11px;
  font-weight: 600;
}

.workspace-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.workspace-panel-head strong {
  margin: 0 !important;
  min-width: 0;
  color: var(--charcoal) !important;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.25;
}

.workspace-count {
  flex: 0 0 auto;
  padding: 3px 7px;
  color: rgba(55,53,47,0.72);
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(55,53,47,0.08);
  border-radius: var(--rounded-sm);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
}

.workspace-roadmap,
.workspace-doc-list {
  display: grid;
  gap: 8px;
}

.workspace-route,
.workspace-doc-row,
.workspace-tool-card {
  color: var(--charcoal) !important;
  text-decoration: none !important;
}

.workspace-route {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 36px;
  gap: 8px;
  min-height: 56px;
  padding: 9px 10px;
  background: rgba(255,255,255,0.56);
  border: 1px solid rgba(55,53,47,0.08);
  border-radius: var(--rounded-md);
}

.route-track {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 28px;
  border-radius: var(--rounded-sm);
  color: var(--on-dark);
  font-size: 11px;
  font-weight: 750;
  line-height: 1;
}

.route-java { background: var(--notion-orange); }
.route-python { background: var(--notion-primary); }
.route-go { background: var(--notion-green); }
.route-cloud { background: var(--notion-teal); }

.route-body {
  display: grid;
  min-width: 0;
  padding-right: 4px;
  gap: 3px;
}

.route-meta {
  display: grid;
  justify-items: end;
  align-content: center;
  gap: 1px;
  padding-right: 2px;
  color: var(--steel);
}

.route-meta b {
  color: var(--charcoal);
  font-size: 13px;
  line-height: 1;
}

.route-meta small {
  color: var(--steel);
  font-size: 10px;
  line-height: 1;
}

.route-body b,
.workspace-doc-row b,
.workspace-tool-card b {
  min-width: 0;
  overflow: hidden;
  color: var(--charcoal);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-body small,
.workspace-doc-row small,
.workspace-tool-card span {
  min-width: 0;
  overflow: hidden;
  color: var(--steel);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-progress {
  grid-column: 2;
  display: block;
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: var(--rounded-full);
  background: rgba(55,53,47,0.10);
}

.route-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--notion-primary), var(--notion-teal));
}

.route-progress .p-86 { width: 86%; }
.route-progress .p-72 { width: 72%; }
.route-progress .p-64 { width: 64%; }
.route-progress .p-58 { width: 58%; }

.workspace-doc-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  padding: 9px 10px;
  background: rgba(255,255,255,0.50);
  border: 1px solid rgba(55,53,47,0.08);
  border-radius: var(--rounded-md);
}

.workspace-doc-row span {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.doc-mark {
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border-radius: 3px;
}

.doc-spring { background: var(--notion-green); }
.doc-jvm { background: var(--notion-yellow); }
.doc-python { background: var(--notion-primary); }

.workspace-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.workspace-tool-card {
  display: grid;
  min-height: 62px;
  align-content: center;
  gap: 4px;
  padding: 9px 10px;
  background: rgba(255,255,255,0.52);
  border: 1px solid rgba(55,53,47,0.08);
  border-radius: var(--rounded-md);
}

.workspace-tool-card:first-child {
  grid-column: span 2;
}

.cover-stats {
  margin-top: 20px !important;
}

.cover-stat {
  min-height: 84px;
}

.markdown-section {
  max-width: 860px !important;
}

.markdown-section > h1:first-child {
  margin-bottom: 30px !important;
}

.home-dashboard {
  margin: 8px 0 54px;
}

.home-band {
  margin: 0 0 28px;
  padding: 0;
}

.home-band-plain {
  padding-top: 2px;
}

.home-section-head {
  max-width: 780px;
  margin-bottom: 22px;
}

.home-section-head.compact {
  margin-bottom: 18px;
}

.home-section-head h1,
.home-section-head h2,
.markdown-section .home-section-head h1,
.markdown-section .home-section-head h2 {
  margin: 0 0 12px !important;
  color: var(--ink) !important;
  font-size: 56px !important;
  font-weight: 600 !important;
  line-height: 1.1 !important;
  letter-spacing: -1px !important;
}

.home-section-head p,
.markdown-section .home-section-head p {
  max-width: 720px !important;
  margin: 0 !important;
  color: var(--slate) !important;
  font-size: 16px !important;
  line-height: 1.65 !important;
}

.home-feature-grid {
  display: grid;
  gap: 14px;
  margin: 0 0 30px;
}

.home-feature-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-feature-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.markdown-section .notion-card,
.notion-card {
  position: relative;
  display: block;
  min-height: 190px;
  padding: 22px !important;
  color: var(--charcoal) !important;
  border: 1px solid var(--hairline) !important;
  border-radius: var(--rounded-lg) !important;
  box-shadow: var(--shadow-subtle) !important;
  text-decoration: none !important;
  border-bottom: 1px solid var(--hairline) !important;
}

.markdown-section a.notion-card {
  border-bottom: 1px solid var(--hairline) !important;
}

.notion-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card) !important;
}

.notion-card.peach { background: var(--tint-peach) !important; }
.notion-card.rose { background: var(--tint-rose) !important; }
.notion-card.sky { background: var(--tint-sky) !important; }
.notion-card.yellow { background: var(--tint-yellow) !important; }
.notion-card.mint { background: var(--tint-mint) !important; }
.notion-card.lavender { background: var(--tint-lavender) !important; }

.notion-card h3,
.markdown-section .notion-card h3 {
  margin: 22px 0 10px !important;
  color: var(--charcoal) !important;
  font-size: 22px !important;
  line-height: 1.3 !important;
  letter-spacing: 0 !important;
}

.notion-card p,
.markdown-section .notion-card p {
  margin: 0 !important;
  color: var(--slate) !important;
  font-size: 14px !important;
  line-height: 1.55 !important;
}

.card-index {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  color: var(--brand-purple-800, #4c329f);
  background: rgba(255,255,255,0.66);
  border: 1px solid rgba(55,53,47,0.06);
  border-radius: var(--rounded-sm);
  font-size: 12px;
  font-weight: 600;
}

.assistant-banner {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: 26px;
  align-items: stretch;
  margin: 34px 0;
  padding: 32px;
  color: var(--charcoal);
  background: var(--tint-yellow-bold);
  border: 1px solid rgba(55,53,47,0.08);
  border-radius: var(--rounded-lg);
  box-shadow: var(--shadow-card);
}

.assistant-banner h2,
.markdown-section .assistant-banner h2 {
  margin: 0 0 12px !important;
  color: var(--charcoal) !important;
  font-size: 36px !important;
  line-height: 1.2 !important;
  letter-spacing: -0.5px !important;
}

.assistant-banner p,
.markdown-section .assistant-banner p {
  margin: 0 !important;
  color: var(--charcoal) !important;
  font-size: 16px !important;
  line-height: 1.6 !important;
}

.assistant-banner code,
.markdown-section .assistant-banner code {
  color: var(--charcoal) !important;
  background: rgba(255,255,255,0.58) !important;
}

.assistant-terminal {
  overflow: hidden;
  color: var(--on-dark-muted);
  background: var(--notion-brand-navy);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--rounded-lg);
  box-shadow: 0 14px 34px rgba(15,15,15,0.18);
}

.assistant-terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 12px;
  background: rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.assistant-terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.assistant-terminal-bar span:nth-child(1) { background: #ff6b6b; }
.assistant-terminal-bar span:nth-child(2) { background: #ffd166; }
.assistant-terminal-bar span:nth-child(3) { background: #52d273; }

.assistant-terminal-bar b {
  margin-left: auto;
  color: rgba(255,255,255,0.58);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.assistant-terminal pre,
.markdown-section .assistant-terminal pre {
  margin: 0 !important;
  padding: 16px !important;
  color: rgba(255,255,255,0.78) !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  font-size: 12.5px !important;
  line-height: 1.75 !important;
}

.sidebar-nav > ul > li > p,
.sidebar-nav > ul > li > a {
  letter-spacing: 0 !important;
}

.search .results-panel {
  border-radius: var(--rounded-lg) !important;
}

#terminal-trigger {
  font-size: 0 !important;
}

#terminal-trigger::before {
  content: ">_";
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
}

#back-to-top::before {
  content: "";
  width: 12px;
  height: 12px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: translateY(3px) rotate(45deg);
}

@media screen and (min-width: 1280px) {
  .content {
    left: 304px !important;
  }

  .markdown-section {
    padding-right: 52px !important;
    padding-left: 52px !important;
  }
}

@media screen and (min-width: 1025px) {
  .sidebar-toggle {
    display: none !important;
  }
}

@media screen and (max-width: 1279px) {
  .cover h1,
  .cover .cover-title {
    font-size: 72px !important;
  }
}

@media screen and (max-width: 1024px) {
  .cover {
    min-height: 820px !important;
  }

  .cover h1,
  .cover .cover-title {
    font-size: 56px !important;
    letter-spacing: -1px !important;
  }

  .workspace-grid,
  .home-feature-grid-3,
  .home-feature-grid-4,
  .assistant-banner {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .home-section-head h1,
  .home-section-head h2,
  .markdown-section .home-section-head h1,
  .markdown-section .home-section-head h2 {
    font-size: 36px !important;
    letter-spacing: -0.5px !important;
  }
}

@media screen and (max-width: 768px) {
  .app-nav {
    height: 58px !important;
    padding-right: 14px !important;
    padding-left: 58px !important;
  }

  .cover {
    min-height: 760px !important;
  }

  .cover-main {
    padding: 76px 18px 44px !important;
  }

  .cover h1,
  .cover .cover-title {
    font-size: 32px !important;
    letter-spacing: 0 !important;
    white-space: nowrap !important;
  }

  .cover h2,
  .cover .cover-subtitle {
    font-size: 16px !important;
    line-height: 1.62 !important;
  }

  .cover-search {
    width: 100%;
    margin-top: 24px;
  }

  .workspace-grid,
  .home-feature-grid-3,
  .home-feature-grid-4,
  .assistant-banner {
    grid-template-columns: 1fr !important;
  }

  .workspace-mockup {
    margin-top: 28px !important;
  }

  .workspace-panel {
    min-height: 134px !important;
  }

  .assistant-banner {
    padding: 22px !important;
  }

  .assistant-banner h2,
  .markdown-section .assistant-banner h2 {
    font-size: 28px !important;
  }

  .markdown-section .notion-card,
  .notion-card {
    min-height: 154px;
  }
}

@media screen and (min-width: 480px) and (max-width: 768px) {
  .cover h1,
  .cover .cover-title {
    font-size: 40px !important;
  }
}

@media screen and (max-width: 360px) {
  .cover h1,
  .cover .cover-title {
    font-size: 28px !important;
  }
}

/* Final visual QA adjustments */
body,
body * {
  letter-spacing: 0 !important;
}

/* Wide-screen shell alignment
   Keep the fixed sidebar, reading surface, and top navigation in one centered frame. */
:root {
  --shell-sidebar-width: 304px;
  --shell-content-width: 1280px;
  --shell-max-width: calc(var(--shell-sidebar-width) + var(--shell-content-width));
  --shell-gutter: max(0px, calc((100vw - var(--shell-max-width)) / 2));
}

@media screen and (min-width: 1025px) {
  .app-nav {
    padding-right: calc(var(--shell-gutter) + 32px) !important;
    padding-left: calc(var(--shell-gutter) + 18px) !important;
  }

  .app-nav::before {
    flex: 0 0 calc(var(--shell-sidebar-width) - 36px) !important;
    margin-right: 34px !important;
    padding-left: 14px !important;
  }

  .app-nav .top-nav-link:not(.top-nav-primary) {
    flex: 0 0 auto !important;
  }

  .app-nav .top-nav-primary {
    margin-left: auto !important;
  }

  .sidebar {
    left: var(--shell-gutter) !important;
    border-left: 1px solid var(--hairline) !important;
  }

  .content {
    right: var(--shell-gutter) !important;
    left: calc(var(--shell-gutter) + var(--shell-sidebar-width)) !important;
  }

  .markdown-section {
    margin-right: auto !important;
    margin-left: auto !important;
  }
}

/* Docsify wraps headings in anchor links; keep headings as ink, not primary-CTA purple links. */
.markdown-section h1 .anchor,
.markdown-section h2 .anchor,
.markdown-section h3 .anchor,
.markdown-section h4 .anchor,
.markdown-section h5 .anchor,
.markdown-section h6 .anchor {
  color: inherit !important;
  border-bottom: 0 !important;
  text-decoration: none !important;
}

.markdown-section h1 .anchor span,
.markdown-section h2 .anchor span,
.markdown-section h3 .anchor span,
.markdown-section h4 .anchor span,
.markdown-section h5 .anchor span,
.markdown-section h6 .anchor span {
  color: inherit !important;
}

/* Page-specific shell balance: keep articles readable, but let the README dashboard use the 1280px workspace grid. */
body[data-page="README.md"] .markdown-section {
  max-width: 1280px !important;
}

.cover h1 .anchor span,
.cover h1 a {
  color: var(--on-dark) !important;
}

.cover h2 .anchor span,
.cover h2 a {
  color: rgba(255,255,255,0.78) !important;
}

.cover .notion-chips {
  margin-bottom: 24px !important;
}

.workspace-mockup {
  box-shadow: var(--shadow-mockup) !important;
}

.workspace-tabs span {
  color: var(--slate) !important;
  background: var(--canvas) !important;
  font-weight: 600 !important;
}

.workspace-tabs {
  gap: 10px !important;
}

.cover-search input::placeholder {
  color: #6f6b64 !important;
}

.status-dot {
  position: relative;
  top: 1px;
}

@media screen and (max-width: 768px) {
  .app-nav {
    justify-content: flex-start !important;
    overflow: hidden !important;
  }

  .app-nav::before {
    content: "wychmod";
    display: inline-flex !important;
    margin: 0 !important;
    padding-left: 0 !important;
    background: none !important;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
  }

  .app-nav ul,
  .app-nav p {
    display: none !important;
  }

  .app-nav .top-nav-link:not(.top-nav-primary) {
    display: none !important;
  }

  .app-nav .top-nav-primary {
    margin-left: auto !important;
    min-width: 54px !important;
    padding-right: 10px !important;
    padding-left: 10px !important;
    overflow: hidden !important;
    font-size: 0 !important;
  }

  .app-nav .top-nav-primary::before {
    content: "探索";
    font-size: 13px;
    line-height: 1;
  }

  .sidebar-toggle {
    top: 7px !important;
    left: 10px !important;
    width: 44px !important;
    height: 44px !important;
    z-index: 140 !important;
  }

  .cover::before {
    background-image: linear-gradient(62deg, transparent 52%, rgba(255,255,255,0.035) 52.4%, rgba(255,255,255,0.035) 52.8%, transparent 53.2%) !important;
  }

  .cover .notion-chips {
    gap: 10px !important;
    margin-top: 26px !important;
    margin-bottom: 22px !important;
  }

  .cover .notion-chip {
    padding-right: 11px !important;
    padding-left: 11px !important;
  }

  .workspace-mockup {
    width: calc(100% - 24px) !important;
    margin-bottom: 74px !important;
  }

  #terminal-trigger {
    width: 44px !important;
    height: 44px !important;
    right: 16px !important;
    bottom: 16px !important;
    border-radius: var(--rounded-md) !important;
    opacity: 0.86 !important;
  }

  #terminal-trigger::before {
    font-size: 13px;
  }
}

body,
body * {
  letter-spacing: 0 !important;
}