:root {
  --color-bg: #151515;
  --color-panel: #1c1c1c;
  --color-panel-raised: #242424;
  --color-border: #2e2e2e;
  --color-accent: #d9958b;
  --color-accent-deep: #a96a60;
  --color-text: #f2f0ec;
  --color-text-soft: #c9c6c0;
  --color-text-muted: #9c9a96;
  --color-success: #8cbf97;
  --color-warning: #d8b36e;
  --color-error: #d97b6e;
  --color-mist-blue: #5e7191;
  --color-smoke-pink: #b98a85;
  --color-glow-blue: rgba(94, 113, 145, 0.34);
  --color-glow-pink: rgba(185, 138, 133, 0.24);
  --color-hero-line: rgba(255, 255, 255, 0.05);
  --color-line-soft: rgba(255, 255, 255, 0.14);
  --color-line-strong: rgba(255, 255, 255, 0.2);
  --color-line-hover: rgba(255, 255, 255, 0.36);
  --color-overlay: rgba(21, 21, 21, 0.88);
  --color-shadow: rgba(0, 0, 0, 0.6);
  --color-shadow-heavy: rgba(0, 0, 0, 0.66);
  --color-card: #efede4;
  --color-card-well: #f7f5ee;
  --color-card-ink: #2b2a26;
  --color-card-muted: #6f6b62;
  --color-card-line: #d0cdc0;
  --color-card-edge: rgba(43, 42, 38, 0.16);
  --color-card-frame: rgba(246, 244, 236, 0.13);
  --color-card-frame-line: rgba(255, 255, 255, 0.2);
  --color-focus: rgba(217, 149, 139, 0.42);
  --color-button-ink: #1a1512;
  --font-display: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --radius-large: 28px;
  --radius-frame: 24px;
  --radius-card: 18px;
  --radius-medium: 14px;
  --radius-small: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 34px 70px -22px rgba(0, 0, 0, 0.66), 0 90px 150px -50px rgba(0, 0, 0, 0.58);
  --shadow-panel: 0 24px 52px -34px rgba(0, 0, 0, 0.66);
  --shadow-button: 0 12px 30px -14px rgba(217, 149, 139, 0.5);
  --content-width: 1120px;
  --header-width: 1280px;
  --gutter: clamp(16px, 3vw, 32px);
  --section-space: clamp(72px, 10vw, 132px);
  --header-height: 60px;
  --ease-standard: 180ms ease;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  background: var(--color-bg);
}

html.nav-open {
  overflow: hidden;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main,
section,
article,
aside,
header,
footer,
nav,
div {
  min-width: 0;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

svg[data-background-art] {
  width: 100%;
  height: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

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

p,
h1,
h2,
h3,
h4,
ul,
ol,
dl,
dd,
figure,
blockquote,
pre {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

ul[role="list"],
.site-nav-list,
.footer-links,
.platform-row {
  list-style: none;
}

::selection {
  background: var(--color-accent-deep);
  color: var(--color-text);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wide-wrap {
  width: 100%;
  max-width: min(100%, calc(var(--header-width) + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(32px, 5vw, 58px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eyebrow-dot,
.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text);
  text-wrap: balance;
}

h1 {
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.14;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.18;
}

h3 {
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.28;
}

h4 {
  font-size: 18px;
  line-height: 1.35;
}

.title-keep {
  white-space: nowrap;
}

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

.lead {
  max-width: 720px;
  color: var(--color-text-soft);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}

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

.prose {
  color: var(--color-text-soft);
  font-size: 16px;
}

.prose > * + * {
  margin-top: 20px;
}

.prose h2 {
  margin-top: 68px;
  color: var(--color-text);
}

.prose h3 {
  margin-top: 40px;
  color: var(--color-text);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-deep);
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
}

.prose li + li {
  margin-top: 8px;
}

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

:not(pre) > code {
  padding: 0.12em 0.36em;
  overflow-wrap: anywhere;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 0.9em;
}

pre {
  max-width: 100%;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

pre code {
  overflow-wrap: normal;
}

hr {
  height: 1px;
  margin: 48px 0;
  border: 0;
  background: var(--color-border);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  transition: transform var(--ease-standard), border-color var(--ease-standard), color var(--ease-standard), filter var(--ease-standard);
}

.button svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
  color: var(--color-button-ink);
  box-shadow: var(--shadow-button);
}

.button-primary:hover {
  filter: brightness(1.05);
}

.button-secondary {
  border-color: var(--color-line-strong);
  background: var(--color-panel);
  color: var(--color-text);
}

.button-secondary:hover {
  border-color: var(--color-line-hover);
}

.button-quiet {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text-soft);
}

.button[disabled],
.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.panel,
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
}

.card {
  padding: clamp(22px, 3vw, 32px);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card-grid > * {
  min-width: 0;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
}

.chip {
  max-width: 100%;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-soft);
  font-size: 12px;
  line-height: 1.3;
}

.chip svg,
.chip-dot {
  flex: 0 0 auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--color-text-soft);
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-weight: 500;
}

.prose > .data-table {
  min-width: 0;
  max-width: 100%;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.site-header {
  position: relative;
  z-index: 100;
  background: var(--color-bg);
  color: var(--color-text);
}

.site-header-bar {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
}

.site-brand img {
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
}

.site-brand-name {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.desktop-nav {
  margin-left: auto;
}

.site-nav-list {
  display: flex;
  align-items: center;
  gap: 1px;
}

.site-nav-link {
  display: flex;
  min-height: 34px;
  align-items: center;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13px;
  white-space: nowrap;
  transition: color var(--ease-standard), background-color var(--ease-standard);
}

.site-nav-link:hover {
  color: var(--color-text-soft);
}

.site-nav-link.is-current {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.header-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.language-control {
  position: relative;
}

.language-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text-soft);
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
}

.language-short {
  display: none;
}

.language-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  z-index: 130;
  width: 172px;
  padding: 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel-raised);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
}

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

.language-menu a {
  min-height: 42px;
  display: flex;
  width: 100%;
  align-items: center;
  padding: 9px 11px;
  border-radius: var(--radius-small);
  color: var(--color-text-soft);
  font-size: 13px;
}

.language-menu a:hover,
.language-menu a[aria-current="true"] {
  background: var(--color-panel);
  color: var(--color-text);
}

.menu-toggle {
  min-width: 44px;
  min-height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  width: 17px;
  height: 1px;
  display: block;
  background: currentColor;
  content: "";
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before {
  position: absolute;
  top: -5px;
}

.menu-toggle-lines::after {
  position: absolute;
  top: 5px;
}

.mobile-veil {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 90;
  border: 0;
  background: var(--color-overlay);
}

.mobile-veil[hidden] {
  display: none;
}

.mobile-drawer {
  position: absolute;
  top: 100%;
  right: var(--gutter);
  left: var(--gutter);
  z-index: 110;
  max-height: calc(100dvh - var(--header-height) - 12px);
  padding: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.mobile-drawer[hidden] {
  display: none;
}

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

.mobile-drawer a {
  min-height: 46px;
  display: flex;
  width: 100%;
  align-items: center;
  padding: 11px 13px;
  border-radius: var(--radius-small);
  color: var(--color-text-soft);
}

.mobile-drawer a:hover,
.mobile-drawer a.is-current,
.mobile-drawer a[aria-current="true"] {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.mobile-language-label {
  padding: 18px 13px 7px;
  color: var(--color-text-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-footer {
  margin-top: var(--section-space);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr 1.3fr 0.7fr;
  gap: clamp(30px, 5vw, 64px);
  padding-top: 64px;
  padding-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .site-brand {
  margin-bottom: 18px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-title {
  margin-bottom: 16px;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 500;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a {
  display: inline-flex;
  color: var(--color-text-muted);
  font-size: 13px;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  padding-bottom: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12px;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

.tilt,
.tilt-soft {
  transform: rotate(-0.45deg);
}

@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

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

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

  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 76px;
  }

  h1 {
    font-size: clamp(24px, 7vw, 30px);
    line-height: 1.18;
  }

  h2 {
    font-size: clamp(25px, 7vw, 34px);
  }

  .site-brand-name {
    font-size: 13px;
  }

  .language-full {
    display: none;
  }

  .language-short {
    display: inline;
  }

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

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

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

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

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

  .site-header-bar {
    gap: 10px;
  }

  .site-brand-name {
    max-width: 146px;
    white-space: normal;
    line-height: 1.25;
  }

  .language-button {
    min-width: 44px;
    justify-content: center;
    padding-inline: 10px;
  }

  .button-row {
    align-items: stretch;
  }

  .button-row .button {
    flex: 1 1 150px;
  }

  .chip-row {
    flex-direction: row;
    justify-content: center;
  }

  .tilt,
  .tilt-soft {
    transform: none;
  }

  .data-table {
    min-width: 620px;
  }
}

@media (max-width: 390px) {
  .site-brand-name {
    max-width: 108px;
    font-size: 12px;
  }

  .header-tools {
    gap: 5px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }

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