:root {
  --color-page: #F8F1E1;
  --color-paper: #FFFBF3;
  --color-paper-muted: #EFE5D0;
  --color-line: #E1D5BE;
  --color-accent: #2A2018;
  --color-accent-deep: #15100B;
  --color-accent-warm: #5A3E28;
  --color-text: #2B2219;
  --color-text-muted: #6F6353;
  --color-success: #3E7B4F;
  --color-warning: #B8862B;
  --color-danger: #C4543A;
  --color-hero-top: #FBF6EA;
  --color-hero-bottom: #F4EBD6;
  --color-sky-peach: #E9CDB3;
  --color-sky-apricot: #DDD2B0;
  --color-sky-sage: #B7C2A6;
  --color-white: #FFFFFF;
  --color-flag-red: #D7282F;
  --color-flag-blue: #1F3A8A;
  --color-flag-navy: #1C2D6B;
  --rgb-accent: 42, 32, 24;
  --rgb-paper: 255, 251, 243;
  --rgb-success: 62, 123, 79;
  --rgb-danger: 196, 84, 58;
  --rgb-sage: 183, 194, 166;
  --rgb-apricot: 221, 210, 176;
  --rgb-peach: 233, 205, 179;
  --font-display: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-window: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-panel: 0 18px 34px -24px rgba(var(--rgb-accent), .32);
  --shadow-window: 0 34px 52px -22px rgba(var(--rgb-accent), .3), 0 10px 22px -10px rgba(var(--rgb-accent), .16);
  --shadow-button: 0 14px 26px -12px rgba(var(--rgb-accent), .5);
  --header-height: 64px;
  --content-width: 1248px;
  --gutter: 24px;
  --section-space: 88px;
  --focus-width: 2px;
  --noise-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2 0 0 0 0 .15 0 0 0 0 .1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

html.nav-open {
  overflow: hidden;
}

body {
  position: relative;
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  color: var(--color-text);
  background: var(--color-page);
  font: 400 17px/1.7 var(--font-body);
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 0;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: var(--noise-image);
  opacity: .04;
  mix-blend-mode: multiply;
}

header,
main,
footer {
  position: relative;
  z-index: 1;
}

img,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

svg {
  display: block;
  flex-shrink: 0;
}

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

button,
summary {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
ul,
ol,
blockquote,
figure {
  margin-top: 0;
}

ul,
ol {
  padding-left: 1.3em;
}

ul[role="list"],
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  color: var(--color-accent);
  font-family: var(--font-display);
  text-wrap: balance;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(52px, 5.2vw, 68px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(34px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
}

h3 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 750;
  line-height: 1.3;
}

code,
kbd,
pre,
samp {
  font-family: var(--font-mono);
}

code {
  overflow-wrap: anywhere;
  color: var(--color-accent);
  background: var(--color-paper-muted);
  border-radius: var(--radius-xs);
  padding: .12em .35em;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-paper);
  background: var(--color-accent-deep);
  -webkit-overflow-scrolling: touch;
}

pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  white-space: pre;
  overflow-wrap: normal;
}

::selection {
  color: var(--color-paper);
  background: var(--color-accent-warm);
}

:where(a, button, summary, input, select, textarea, [tabindex]):focus-visible {
  outline: var(--focus-width) solid var(--color-danger);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.narrow {
  width: 100%;
  max-width: 820px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section-tight {
  padding-top: 56px;
  padding-bottom: 56px;
}

.muted {
  color: var(--color-text-muted);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.no-break {
  white-space: nowrap;
}

.panel,
.card {
  min-width: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  box-shadow: var(--shadow-panel);
}

.panel {
  padding: 28px;
}

.card {
  padding: 24px;
}

.tilt {
  transform: rotate(-.35deg);
}

.reveal {
  transition: opacity .62s ease, transform .62s ease;
}

.reveal.pending {
  opacity: 0;
  transform: translateY(16px);
}

.reveal.shown {
  opacity: 1;
  transform: none;
}

.btn {
  display: inline-flex;
  min-width: 24px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--color-paper);
  background: linear-gradient(180deg, var(--color-accent-warm), var(--color-accent) 55%, var(--color-accent-deep));
  box-shadow: var(--shadow-button), inset 0 1px 0 rgba(var(--rgb-paper), .14);
}

.btn-primary:hover {
  background: var(--color-accent-deep);
}

.btn-secondary {
  color: var(--color-accent);
  background: var(--color-paper);
  border-color: var(--color-line);
  box-shadow: var(--shadow-panel);
}

.btn-secondary:hover {
  border-color: var(--color-accent-warm);
}

.btn-danger {
  color: var(--color-danger);
  background: var(--color-paper);
  border-color: var(--color-danger);
}

.btn-small {
  min-height: 40px;
  padding: 8px 18px;
  font-size: 14px;
}

.btn[aria-disabled="true"],
.btn:disabled {
  opacity: .48;
  cursor: not-allowed;
  transform: none;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.badge {
  display: inline-flex;
  min-height: 28px;
  max-width: 100%;
  align-items: center;
  gap: 7px;
  padding: 3px 10px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  background: var(--color-paper);
  font-size: 13px;
  font-weight: 700;
}

.badge-danger {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.badge-success {
  color: var(--color-success);
  border-color: var(--color-success);
}

.badge-dot::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  content: "";
  background: currentColor;
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  min-height: var(--header-height);
  background: var(--color-hero-top);
  border-bottom: 1px solid rgba(var(--rgb-accent), .06);
}

.site-nav {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  gap: 20px;
}

.site-brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  color: var(--color-accent);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.site-brand img {
  width: 28px;
  height: 28px;
}

.brand-local {
  color: var(--color-text-muted);
  font-weight: 600;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline: auto;
}

.desktop-nav a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 550;
}

.desktop-nav a:hover {
  color: var(--color-text);
  background: rgba(var(--rgb-accent), .05);
}

.desktop-nav a.is-active {
  color: var(--color-accent);
  background: var(--color-paper-muted);
  font-weight: 700;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

.login-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 7px 20px;
  border-radius: var(--radius-pill);
  color: var(--color-paper);
  background: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 16px -8px rgba(var(--rgb-accent), .45);
}

.login-link:hover {
  background: var(--color-accent-deep);
}

.language-menu {
  position: relative;
}

.language-toggle,
.menu-toggle {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: transparent;
}

.language-toggle:hover,
.menu-toggle:hover {
  color: var(--color-text);
  background: var(--color-paper-muted);
}

.language-list {
  position: absolute;
  z-index: 45;
  top: calc(100% + 8px);
  right: 0;
  width: 170px;
  margin: 0;
  padding: 7px;
  list-style: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  box-shadow: var(--shadow-window);
}

.language-list[hidden] {
  display: none;
}

.language-list a {
  display: flex;
  min-height: 40px;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.language-list a:hover,
.language-list a[aria-current="true"] {
  background: var(--color-paper-muted);
}

.menu-toggle {
  display: none;
}

.mobile-drawer {
  display: none;
}

.drawer-veil {
  display: none;
}

.site-footer {
  padding-top: 64px;
  padding-bottom: 24px;
  color: var(--color-paper-muted);
  background: var(--color-accent-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(150px, 1fr));
  gap: 36px;
}

.footer-brand {
  max-width: 330px;
}

.footer-brand .site-brand {
  color: var(--color-paper);
}

.footer-brand p {
  margin-top: 16px;
  color: var(--color-line);
  font-size: 15px;
}

.footer-title {
  margin: 0 0 13px;
  color: var(--color-paper);
  font-size: 14px;
  font-weight: 800;
}

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

.footer-links li + li {
  margin-top: 7px;
}

.footer-links a {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  color: var(--color-line);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--color-paper);
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(var(--rgb-paper), .12);
  color: var(--color-line);
  font-size: 13px;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

#server-status {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  margin-bottom: 32px;
  overflow: hidden;
}

#server-status > * {
  min-width: 0;
}

.prose {
  min-width: 0;
}

.prose p,
.prose li {
  overflow-wrap: break-word;
}

.prose h2,
.prose h3 {
  scroll-margin-top: calc(var(--header-height) + 84px);
}

@media (max-width: 1080px) {
  .desktop-nav {
    gap: 0;
  }

  .desktop-nav a {
    padding-inline: 9px;
    font-size: 13px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .footer-brand {
    grid-row: span 2;
  }
}

@media (max-width: 900px) {
  .desktop-nav,
  .language-menu {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .drawer-veil {
    position: fixed;
    z-index: 38;
    inset: var(--header-height) 0 0;
    background: rgba(var(--rgb-accent), .22);
  }

  .drawer-veil.is-open {
    display: block;
  }

  .mobile-drawer {
    position: fixed;
    z-index: 41;
    top: var(--header-height);
    right: 0;
    left: 0;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px var(--gutter) 22px;
    border-top: 1px solid var(--color-line);
    background: var(--color-paper);
    box-shadow: var(--shadow-window);
    -webkit-overflow-scrolling: touch;
  }

  .mobile-drawer.is-open {
    display: block;
  }

  .mobile-drawer ul {
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .mobile-drawer li + li {
    border-top: 1px solid var(--color-line);
  }

  .mobile-drawer a {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    padding: 11px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
  }

  .mobile-drawer a.is-active {
    color: var(--color-accent);
    background: var(--color-paper-muted);
    font-weight: 700;
  }

  .drawer-languages {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-line);
  }

  .drawer-languages strong {
    display: block;
    padding: 5px 12px;
    color: var(--color-text-muted);
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 64px;
  }

  h1 {
    font-size: clamp(28px, 9vw, 40px);
    line-height: 1.12;
  }

  h2 {
    font-size: clamp(28px, 7vw, 36px);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  .no-break {
    white-space: normal;
  }

  .tilt,
  [class*="tilt"] {
    transform: none;
  }

  .wrap,
  .narrow {
    padding-inline: var(--gutter);
  }

  .panel,
  .card {
    padding: 20px;
  }

  .button-row {
    width: 100%;
  }

  .button-row .btn {
    width: 100%;
  }

  .login-link {
    min-width: 68px;
    padding-inline: 14px;
  }

  .site-brand {
    font-size: 17px;
  }

  .site-brand img {
    width: 26px;
    height: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
  }

  .decor,
  .stripe-halo,
  [class*="watermark"] {
    max-width: 100%;
  }
}

@media (max-width: 380px) {
  .language-toggle {
    display: none;
  }

  .site-nav {
    gap: 8px;
  }

  .login-link {
    min-width: 62px;
    padding-inline: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal,
  .reveal.pending {
    opacity: 1;
    transform: none;
  }
}