:root {
  --color-page: #FFFFFF;
  --color-panel: #F7F7F8;
  --color-panel-strong: #EFEFF1;
  --color-border: #E6E6EA;
  --color-grid: #F1F1F3;
  --color-accent: #952BE8;
  --color-accent-dark: #6B1BB0;
  --color-accent-soft: rgba(149, 43, 232, 0.10);
  --color-ink: #1B1B1F;
  --color-ink-muted: #6B6B75;
  --color-success: #1E9E5A;
  --color-warning: #D98A05;
  --color-error: #D8323C;
  --color-overlay: rgba(27, 27, 31, 0.38);
  --color-shadow-light: rgba(27, 27, 31, 0.04);
  --color-shadow-medium: rgba(27, 27, 31, 0.12);
  --color-shadow-deep: rgba(27, 27, 31, 0.16);
  --color-shadow-pipe: rgba(27, 27, 31, 0.10);
  --color-focus: rgba(149, 43, 232, 0.28);

  --font-display: "Inter", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-window: 14px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-line: 0 0 0 1px var(--color-border);
  --shadow-low: 0 1px 2px var(--color-shadow-light);
  --shadow-mid: 0 12px 24px -10px var(--color-shadow-medium);
  --shadow-high: 0 48px 80px -24px var(--color-shadow-medium);
  --shadow-card: 0 1px 2px var(--color-shadow-light), 0 18px 36px -14px var(--color-shadow-deep);
  --shadow-menu: 0 10px 30px -12px var(--color-shadow-deep);
  --shadow-fab: 0 1px 2px var(--color-shadow-light), 0 14px 28px -12px var(--color-shadow-deep);

  --header-height: 72px;
  --content-width: 1120px;
  --wide-width: 1280px;
  --reading-width: 780px;
  --gutter: clamp(16px, 5vw, 96px);
  --section-space: clamp(72px, 10vw, 144px);
  --transition-fast: 150ms ease;
}

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

html {
  scroll-behavior: smooth;
  background: var(--color-page);
  color-scheme: light;
}

html.nav-open {
  overflow: hidden;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

section,
.hero,
.decorated-section {
  position: relative;
  overflow-x: clip;
}

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

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

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

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

button,
summary {
  cursor: pointer;
}

button {
  border: 0;
}

ul,
ol {
  margin-top: 0;
}

code,
kbd,
samp {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
  word-break: break-word;
}

pre {
  max-width: 100%;
  margin: 24px 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-ink);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  -webkit-overflow-scrolling: touch;
}

pre code {
  overflow-wrap: normal;
  word-break: normal;
  white-space: pre;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

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

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

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

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

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

.section-rule {
  border-top: 1px solid var(--color-border);
}

.stack > * {
  margin-top: 0;
}

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

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.nowrap-term {
  white-space: nowrap;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  text-wrap: balance;
}

h1,
.hero-title {
  margin-bottom: 24px;
  font-size: clamp(34px, 3.4vw, 48px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 780;
  line-height: 1.2;
  letter-spacing: -0.018em;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 720;
  line-height: 1.3;
  letter-spacing: -0.012em;
}

h4 {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

p {
  margin-top: 0;
  margin-bottom: 20px;
}

.lead {
  max-width: 650px;
  color: var(--color-ink-muted);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.75;
}

.lead strong,
.prose strong {
  color: var(--color-ink);
  font-weight: 650;
}

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

.mono {
  font-family: var(--font-mono);
}

.kicker {
  margin-bottom: 14px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

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

.eyebrow {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink-muted);
  padding: 6px 12px 6px 10px;
  font-size: 13px;
  line-height: 1.45;
}

.eyebrow-dot,
.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.eyebrow strong {
  color: var(--color-ink);
  font-weight: 650;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.button svg {
  width: 16px;
  height: 16px;
}

.button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-page);
}

.button-primary:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
  color: var(--color-page);
}

.button-secondary {
  border-color: var(--color-border);
  background: var(--color-page);
  color: var(--color-ink);
}

.button-secondary:hover {
  border-color: var(--color-ink-muted);
  background: var(--color-panel);
  color: var(--color-ink);
}

.button-muted {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-ink);
}

.button[disabled],
.button.is-disabled {
  cursor: not-allowed;
  border-color: var(--color-border);
  background: var(--color-panel-strong);
  color: var(--color-ink-muted);
  opacity: 0.72;
}

.card,
.panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-page);
  color: var(--color-ink);
}

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

.panel {
  padding: clamp(22px, 3vw, 36px);
  background: var(--color-panel);
}

.card-quiet {
  box-shadow: var(--shadow-low);
}

.prose {
  min-width: 0;
  color: var(--color-ink-muted);
}

.prose h2 {
  margin-top: 72px;
}

.prose h3 {
  margin-top: 42px;
}

.prose a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose .button-primary,
.prose .button-primary:hover {
  color: var(--color-page);
  text-decoration: none;
}

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

.prose img {
  margin-block: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  -webkit-overflow-scrolling: touch;
}

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

.data-table th,
.data-table td {
  min-width: 132px;
  border-bottom: 1px solid var(--color-border);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--color-panel);
  color: var(--color-ink);
  font-weight: 650;
}

.data-table td {
  color: var(--color-ink-muted);
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.site-header {
  position: relative;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
  color: var(--color-ink);
}

.header-shell {
  display: flex;
  width: min(100%, calc(1280px + var(--gutter) * 2));
  height: 100%;
  margin-inline: auto;
  align-items: center;
  gap: 36px;
  padding-inline: var(--gutter);
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.site-brand img {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
}

.desktop-nav {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 5px;
}

.desktop-nav > a,
.nav-more-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  background: var(--color-page);
  color: var(--color-ink-muted);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 550;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.desktop-nav > a:hover,
.nav-more-button:hover,
.desktop-nav > a.is-active,
.nav-more-button.is-active {
  background: var(--color-panel);
  color: var(--color-ink);
}

.desktop-nav > a.is-active,
.nav-more-button.is-active {
  font-weight: 680;
}

.nav-more {
  position: relative;
}

.nav-more-button svg {
  width: 12px;
  height: 12px;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 210px;
  visibility: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-menu);
  opacity: 0;
  padding: 6px;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.nav-more:hover .nav-dropdown,
.nav-more:focus-within .nav-dropdown {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.nav-dropdown a:hover,
.nav-dropdown a.is-active {
  background: var(--color-panel);
  color: var(--color-ink);
}

.nav-dropdown small {
  display: block;
  margin-top: 2px;
  color: var(--color-ink-muted);
  font-size: 11px;
}

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

.language-menu {
  position: relative;
}

.language-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink);
  padding: 7px 12px;
  font-size: 13px;
  white-space: nowrap;
}

.language-button:hover {
  border-color: var(--color-ink-muted);
}

.language-button svg {
  width: 12px;
  height: 12px;
}

.language-short {
  display: none;
}

.language-list {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 166px;
  visibility: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-menu);
  opacity: 0;
  padding: 6px;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.language-menu.is-open .language-list {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.language-list a {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  position: fixed;
  z-index: 102;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  display: none;
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-top: 1px solid var(--color-border);
  background: var(--color-page);
  color: var(--color-ink);
  padding: 14px var(--gutter) 30px;
}

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

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

.mobile-nav a {
  display: flex;
  width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding: 12px 4px;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 580;
}

.mobile-nav a.is-active {
  color: var(--color-accent-dark);
}

.mobile-language-title {
  margin: 24px 0 6px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.mobile-nav .mobile-language-list a {
  color: var(--color-ink-muted);
  font-size: 14px;
  font-weight: 500;
}

.mobile-nav .mobile-language-list a[aria-current="true"] {
  color: var(--color-ink);
  font-weight: 680;
}

.nav-veil {
  position: fixed;
  z-index: 90;
  inset: var(--header-height) 0 0;
  display: none;
  background: var(--color-overlay);
}

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

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-page);
  color: var(--color-ink);
  padding-top: 72px;
  padding-bottom: 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1.5fr 1fr;
  gap: 48px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
}

.footer-intro {
  max-width: 330px;
  margin-top: 18px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.footer-heading {
  margin-bottom: 16px;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 700;
}

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

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

.footer-links a {
  display: inline-block;
  color: var(--color-ink-muted);
  font-size: 14px;
}

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

.footer-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-keywords a {
  display: inline-flex;
  min-height: 34px;
  max-width: 100%;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink-muted);
  padding: 6px 10px;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.footer-keywords a:hover {
  border-color: var(--color-ink-muted);
  color: var(--color-ink);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 56px;
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

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

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

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

.hero-preview {
  position: relative;
  height: 780px;
  overflow: hidden;
  background: var(--color-page);
  color: var(--color-ink);
}

.hero-preview::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-position: var(--gutter) 0;
  background-size: 64px 64px;
  content: "";
  mask-image:
    linear-gradient(to right, var(--color-ink) 0%, var(--color-ink) 40%, transparent 68%),
    linear-gradient(to bottom, transparent 0%, var(--color-ink) 14%, var(--color-ink) 86%, transparent 100%);
  mask-composite: intersect;
}

.hero-preview-copy {
  position: relative;
  z-index: 3;
  max-width: 600px;
  padding-top: 76px;
}

.hero-preview-title {
  margin-top: 28px;
  margin-bottom: 0;
}

.hero-preview-title .muted-line {
  display: block;
  color: var(--color-ink-muted);
  font-weight: 700;
}

.platform-row {
  display: flex;
  align-items: center;
  margin-top: 34px;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.platform-label {
  flex: 0 0 auto;
  margin-right: 20px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.platform-link {
  display: inline-flex;
  height: 26px;
  align-items: center;
  gap: 8px;
  border-left: 1px solid var(--color-border);
  padding-inline: 16px;
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 550;
}

.platform-link:first-of-type {
  border-left: 0;
  padding-left: 0;
}

.platform-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-ink-muted);
}

.platform-link:hover svg {
  color: var(--color-ink);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.chip {
  display: inline-flex;
  min-height: 30px;
  max-width: 100%;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink-muted);
  padding: 5px 11px;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.chip code {
  color: var(--color-ink);
  font-size: 11px;
}

.hero-visual {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  bottom: 0;
  left: 47%;
  pointer-events: none;
}

.hero-pipe {
  position: absolute;
  z-index: 0;
  top: -15px;
  right: -80px;
  width: 980px;
  height: 720px;
  filter: drop-shadow(0 16px 22px var(--color-shadow-pipe));
}

.hero-pipe path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pipe-base {
  stroke: var(--color-border);
  stroke-width: 40;
}

.pipe-middle {
  stroke: var(--color-panel-strong);
  stroke-width: 28;
}

.pipe-highlight {
  stroke: var(--color-page);
  stroke-width: 10;
}

.workspace-mask {
  position: absolute;
  z-index: 1;
  top: 40px;
  left: 0;
  width: 850px;
  height: 740px;
  padding: 40px 0 100px 90px;
  mask-image: linear-gradient(to bottom, var(--color-ink) 0%, var(--color-ink) 58%, transparent 88%);
}

.workspace-window {
  display: flex;
  width: 760px;
  height: 640px;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-window);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-line), var(--shadow-mid), var(--shadow-high);
  font-size: 13px;
  transform: perspective(2400px) rotateY(-1.5deg);
  transform-origin: left center;
}

.workspace-menu {
  display: flex;
  height: 44px;
  flex: 0 0 auto;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
  padding: 0 16px 0 18px;
}

.workspace-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 5px;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
}

.workspace-name::before {
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-panel-strong);
  content: "";
}

.workspace-menu-list {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workspace-menu-list li {
  display: flex;
  height: 100%;
  align-items: center;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  padding-inline: 9px;
  color: var(--color-ink-muted);
}

.workspace-menu-list .is-current {
  border-bottom-color: var(--color-accent);
  color: var(--color-ink);
  font-weight: 650;
}

.window-controls {
  margin-left: auto;
  color: var(--color-ink-muted);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.workspace-body {
  display: flex;
  height: 400px;
  flex: 0 0 auto;
}

.workspace-side {
  width: 200px;
  flex: 0 0 auto;
  border-right: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-ink);
  padding: 16px 12px;
}

.workspace-side-label {
  margin-bottom: 10px;
  padding-inline: 6px;
  color: var(--color-ink-muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.workspace-side-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.workspace-side-item.is-selected {
  border: 1px solid var(--color-border);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-low);
  font-weight: 550;
}

.workspace-side-item.is-selected::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 2px;
  background: var(--color-ink-muted);
  content: "";
}

.workspace-side-item.is-add {
  margin-top: 8px;
  border: 1px dashed var(--color-border);
  color: var(--color-ink-muted);
}

.workspace-main {
  flex: 1;
  padding: 16px 20px 0;
}

.workspace-main-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.workspace-main-head h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
}

.workspace-mode {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.workspace-rules {
  width: 100%;
  border-collapse: collapse;
}

.workspace-rules th {
  border-bottom: 1px solid var(--color-border);
  padding: 8px 10px;
  color: var(--color-ink-muted);
  font-size: 11px;
  font-weight: 550;
  letter-spacing: 0.04em;
  text-align: left;
}

.workspace-rules td {
  border-bottom: 1px solid var(--color-panel-strong);
  padding: 11px 10px;
  color: var(--color-ink);
  vertical-align: middle;
}

.workspace-rules td:first-child {
  width: 96px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.workspace-rules code {
  color: var(--color-ink);
  font-size: 12px;
}

.route-badge {
  display: inline-flex;
  height: 22px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink-muted);
  padding-inline: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-badge.is-proxy {
  border-color: var(--color-accent);
  background: var(--color-page);
  color: var(--color-accent-dark);
}

.workspace-status {
  display: flex;
  height: 32px;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-ink-muted);
  padding-inline: 18px;
  font-size: 12px;
}

.workspace-status .status-dot {
  width: 7px;
  height: 7px;
  background: var(--color-success);
}

.workspace-status .separator {
  color: var(--color-border);
}

.workspace-log {
  flex: 1;
  padding: 14px 18px;
}

.workspace-log-label {
  color: var(--color-ink-muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.workspace-log-line {
  height: 8px;
  margin-top: 12px;
  border-radius: var(--radius-xs);
  background: var(--color-panel-strong);
}

.proxy-card {
  position: absolute;
  z-index: 3;
  top: 490px;
  left: 50px;
  width: 260px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
  padding: 16px 18px 18px;
}

.proxy-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.proxy-card h4 {
  margin: 0;
  font-size: 13px;
}

.proxy-card-tag {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.proxy-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 6px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.proxy-radio {
  display: flex;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
}

.proxy-option.is-selected {
  color: var(--color-ink);
  font-weight: 550;
}

.proxy-option.is-selected .proxy-radio {
  border-color: var(--color-accent);
}

.proxy-option.is-selected .proxy-radio::after {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.preview-block {
  padding-top: 96px;
  padding-bottom: 96px;
  border-top: 1px solid var(--color-border);
}

.preview-heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.swatch {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  color: var(--color-ink);
}

.swatch-color {
  height: 92px;
  border-bottom: 1px solid var(--color-border);
}

.swatch-page {
  background: var(--color-page);
}

.swatch-panel {
  background: var(--color-panel);
}

.swatch-panel-strong {
  background: var(--color-panel-strong);
}

.swatch-border {
  background: var(--color-border);
}

.swatch-accent {
  background: var(--color-accent);
}

.swatch-accent-dark {
  background: var(--color-accent-dark);
}

.swatch-ink {
  background: var(--color-ink);
}

.swatch-muted {
  background: var(--color-ink-muted);
}

.swatch-success {
  background: var(--color-success);
}

.swatch-warning {
  background: var(--color-warning);
}

.swatch-error {
  background: var(--color-error);
}

.swatch-info {
  padding: 12px;
}

.swatch-info strong,
.swatch-info code {
  display: block;
}

.swatch-info code {
  margin-top: 3px;
  color: var(--color-ink-muted);
  font-size: 11px;
}

.static-footer {
  margin-top: 0;
}

@media (max-width: 1180px) {
  .hero-visual {
    left: 51%;
  }

  .workspace-mask {
    left: -40px;
  }

  .proxy-card {
    left: 5px;
  }

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

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

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }

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

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

  .hero-preview {
    height: auto;
    padding-bottom: 72px;
  }

  .hero-preview-copy {
    padding-top: 64px;
  }

  .hero-visual {
    position: relative;
    inset: auto;
    width: min(100%, 760px);
    height: 520px;
    margin: 28px auto 0;
  }

  .workspace-mask {
    top: 0;
    left: 50%;
    width: 720px;
    height: 520px;
    padding: 30px 0 90px 60px;
    transform: translateX(-50%);
  }

  .workspace-window {
    width: 660px;
    height: 540px;
  }

  .workspace-body {
    height: 350px;
  }

  .proxy-card {
    top: 330px;
    left: max(16px, calc(50% - 320px));
  }

  .hero-pipe {
    top: -50px;
    right: -140px;
    width: 820px;
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-space: 72px;
  }

  h1,
  .hero-title,
  .hero-preview-title {
    font-size: clamp(24px, 7.5vw, 30px);
    line-height: 1.2;
    letter-spacing: -0.015em;
  }

  h2 {
    font-size: clamp(26px, 7vw, 34px);
  }

  .header-shell {
    gap: 12px;
  }

  .site-brand span {
    font-size: 15px;
  }

  .language-full {
    display: none;
  }

  .language-short {
    display: inline;
  }

  .language-list {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .platform-row {
    flex-wrap: wrap;
    gap: 10px 0;
  }

  .platform-label {
    width: 100%;
    margin-right: 0;
  }

  .platform-link {
    padding-inline: 12px;
    font-size: 13px;
  }

  .platform-link:first-of-type {
    padding-left: 0;
  }

  .hero-visual {
    height: 420px;
  }

  .workspace-mask {
    width: 620px;
    height: 420px;
    padding-left: 42px;
  }

  .workspace-window {
    width: 580px;
    transform: none;
  }

  .workspace-side {
    width: 155px;
  }

  .workspace-menu-list li:nth-child(-n + 2) {
    display: none;
  }

  .proxy-card {
    top: 270px;
    left: 20px;
  }
}

@media (max-width: 640px) {
  .wrap,
  .wrap-wide,
  .reading-wrap {
    padding-inline: max(16px, var(--gutter));
  }

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

  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .eyebrow {
    align-items: flex-start;
  }

  .hero-preview-copy {
    padding-top: 46px;
  }

  .hero-preview .lead {
    font-size: 16px;
  }

  .hero-visual {
    height: 360px;
    margin-top: 12px;
  }

  .workspace-mask {
    left: 16px;
    width: 590px;
    height: 360px;
    padding: 24px 0 80px;
    transform: none;
  }

  .workspace-window {
    width: 560px;
  }

  .workspace-menu {
    padding-left: 12px;
  }

  .workspace-menu-list li {
    padding-inline: 6px;
  }

  .workspace-side {
    display: none;
  }

  .workspace-main {
    padding-inline: 14px;
  }

  .proxy-card {
    top: 232px;
    left: 16px;
    width: min(250px, calc(100vw - 32px));
  }

  .hero-pipe {
    right: -250px;
  }

  .platform-row {
    margin-top: 28px;
  }

  .platform-link {
    border-left: 0;
    padding-right: 14px;
    padding-left: 0;
  }

  .chip-row {
    max-height: 104px;
    overflow: hidden;
  }

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

  .preview-block {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .prose h2 {
    margin-top: 56px;
  }
}

@media (max-width: 390px) {
  .site-brand span {
    display: none;
  }

  .header-shell {
    gap: 8px;
  }

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

  .platform-link {
    width: 50%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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