:root {
  --ink: #100d16;
  --ink-soft: #17121f;
  --panel: #1d1726;
  --panel-light: #261d31;
  --plum: #2a1938;
  --violet: #9c7cc5;
  --violet-muted: #6f5a88;
  --gold: #e5aa43;
  --gold-light: #f6d68e;
  --paper: #f4e9d6;
  --paper-muted: #bdb0c6;
  --line: rgba(244, 233, 214, 0.12);
  --line-strong: rgba(229, 170, 67, 0.28);
  --shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
  --radius-lg: 30px;
  --radius-md: 20px;
  --shell: min(1120px, calc(100% - 48px));
  /* Smooth cubic approximation of |x|^3 + |y|^3 = 1 for the fixed 38px brand mark. */
  --superellipse-n3: path("M 37.24 19 C 37.24 33.29 33.29 37.24 19 37.24 C 4.71 37.24 0.76 33.29 0.76 19 C 0.76 4.71 4.71 0.76 19 0.76 C 33.29 0.76 37.24 4.71 37.24 19 Z");
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 73% 8%, rgba(90, 50, 120, 0.22), transparent 30%),
    radial-gradient(circle at 15% 48%, rgba(92, 56, 112, 0.12), transparent 28%),
    var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button {
  font: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--gold-light);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-pad {
  padding-block: 96px;
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.04;
  pointer-events: none;
  background-image:
    repeating-radial-gradient(circle at 17% 31%, rgba(255, 255, 255, 0.7) 0 0.45px, transparent 0.6px 4px),
    repeating-radial-gradient(circle at 71% 63%, rgba(255, 255, 255, 0.45) 0 0.35px, transparent 0.55px 5px);
  background-size: 7px 9px, 11px 13px;
}

.dream-orb {
  position: fixed;
  z-index: -2;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.12;
  pointer-events: none;
}

.dream-orb-one {
  top: 20%;
  right: -260px;
  background: #8751b1;
}

.dream-orb-two {
  bottom: 8%;
  left: -300px;
  background: #9a6329;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(16, 13, 22, 0.82);
  border-color: var(--line);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  border: 0;
  border-radius: 34%;
  background: var(--paper);
  clip-path: var(--superellipse-n3);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--paper-muted);
  font-size: 14px;
}

.main-nav a {
  position: relative;
  transition: color 0.2s ease;
}

.main-nav a:not(.nav-github)::after {
  position: absolute;
  right: 50%;
  bottom: -8px;
  left: 50%;
  height: 1px;
  content: "";
  background: var(--gold);
  transition: right 0.2s ease, left 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--paper);
}

.main-nav a:not(.nav-github):hover::after,
.main-nav a:not(.nav-github):focus-visible::after {
  right: 0;
  left: 0;
}

.nav-github {
  padding: 9px 15px;
  color: var(--paper) !important;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-github:hover {
  border-color: var(--line-strong);
  background: rgba(229, 170, 67, 0.07);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--paper);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  padding: 116px 0 72px;
  place-items: center;
}

.hero::before {
  position: absolute;
  top: 0;
  right: -8%;
  width: 60%;
  height: 100%;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(16, 13, 22, 0.1)),
    repeating-linear-gradient(90deg, rgba(229, 170, 67, 0.03) 0 1px, transparent 1px 96px);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 75%, transparent);
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 75%, transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.88fr) minmax(500px, 1.12fr);
  gap: 52px;
  align-items: center;
}

.eyebrow,
.section-kicker,
.feature-label {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(229, 170, 67, 0.05);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(229, 170, 67, 0.1);
}

.hero h1,
.section-heading h2,
.download h2,
.community h2 {
  margin: 0;
  font-family: inherit;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.hero h1 {
  margin-top: 25px;
  font-size: clamp(44px, 4.5vw, 64px);
}

.hero h1 em {
  color: var(--gold-light);
  font-style: normal;
  text-shadow: 0 0 40px rgba(229, 170, 67, 0.15);
}

.hero-lead {
  max-width: 610px;
  margin: 25px 0 0;
  color: var(--paper-muted);
  font-size: 16px;
}

.hero-actions,
.community-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-guide-link {
  display: inline-flex;
  margin-top: 18px;
  align-items: center;
  gap: 9px;
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 600;
  transition: color 0.2s ease, gap 0.2s ease;
}

.hero-guide-link:hover,
.hero-guide-link:focus-visible {
  gap: 13px;
  color: var(--paper);
}

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  gap: 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #1d1408;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: 0 12px 35px rgba(229, 170, 67, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 16px 45px rgba(229, 170, 67, 0.28);
}

.button-secondary {
  color: var(--paper);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(244, 233, 214, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 36px;
}

.hero-meta > div {
  display: flex;
  padding-left: 18px;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.hero-meta strong {
  color: var(--paper);
  font-family: inherit;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-meta span {
  color: #887e91;
  font-size: 11px;
}

.hero-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-right: 0;
  transform: perspective(1400px) rotateY(-3deg) rotateX(1deg);
  transform-origin: center left;
}

.stage-halo {
  position: absolute;
  top: -15%;
  right: 5%;
  bottom: -15%;
  left: 4%;
  z-index: -1;
  border-radius: 50%;
  background: rgba(104, 61, 132, 0.28);
  filter: blur(70px);
}

.stage-card {
  overflow: hidden;
  border: 1px solid rgba(244, 233, 214, 0.16);
  border-radius: 18px;
  background: #151219;
  box-shadow: var(--shadow), 0 0 0 8px rgba(255, 255, 255, 0.015);
}

.stage-card img {
  width: 100%;
  /* The source is 1482×993; 1.555 removes its 40px Windows title bar. */
  aspect-ratio: 1.555 / 1;
  object-fit: cover;
  object-position: center bottom;
}

.window-bar {
  display: grid;
  height: 42px;
  padding-inline: 15px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: #8e8597;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #665f6e;
}

.window-dots i:first-child {
  background: var(--gold);
}

.window-status {
  justify-self: end;
}

.window-status i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 5px;
  border-radius: 50%;
  background: #7bb898;
  box-shadow: 0 0 8px #7bb898;
}

.memory-note {
  position: absolute;
  padding: 12px 16px;
  border: 1px solid rgba(229, 170, 67, 0.2);
  border-radius: 12px;
  background: rgba(25, 19, 32, 0.9);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.34);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.memory-note span,
.memory-note b {
  display: block;
}

.memory-note span {
  color: var(--gold);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.memory-note b {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 500;
}

.memory-note-top {
  top: 12%;
  right: -2%;
}

.memory-note-bottom {
  bottom: 10%;
  left: -5%;
}

.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #706678;
  font-size: 9px;
  letter-spacing: 0.22em;
  transform: translateX(-50%);
}

.hero-scroll span {
  position: relative;
  width: 1px;
  height: 32px;
  overflow: hidden;
  background: var(--line);
}

.hero-scroll span::after {
  position: absolute;
  top: -50%;
  left: 0;
  width: 1px;
  height: 50%;
  content: "";
  background: var(--gold);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  to { top: 100%; }
}

.manifesto {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.manifesto::after {
  position: absolute;
  top: 0;
  left: calc(50% - 1px);
  width: 1px;
  height: 100%;
  pointer-events: none;
  content: "";
  background: linear-gradient(transparent, var(--line), transparent);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 0.45fr 1.3fr 0.7fr;
  gap: 55px;
  align-items: start;
}

.section-kicker {
  margin: 0 0 18px;
}

.manifesto blockquote {
  margin: -10px 0 0;
  font-family: inherit;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  line-height: 1.55;
}

.manifesto-copy {
  margin: 0;
  color: var(--paper-muted);
  font-size: 15px;
}

.section-heading {
  margin-bottom: 58px;
}

.section-heading h2,
.download h2,
.community h2 {
  font-size: clamp(34px, 4vw, 52px);
}

.heading-row {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  align-items: end;
}

.heading-row > p {
  max-width: 410px;
  margin: 0 0 7px;
  color: var(--paper-muted);
}

.journey {
  overflow: hidden;
}

.journey-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
}

.journey-card {
  position: relative;
  min-height: 340px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.journey-card:hover {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(229, 170, 67, 0.07), rgba(92, 52, 116, 0.035));
  transform: translateY(-5px);
}

.step-index {
  color: #756b7d;
  font-family: inherit;
  font-size: 12px;
}

.step-glyph {
  display: grid;
  width: 76px;
  height: 76px;
  margin: 28px 0 24px;
  place-items: center;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(229, 170, 67, 0.12), transparent 65%),
    var(--ink-soft);
  font-family: inherit;
  font-size: 30px;
  font-weight: 600;
  box-shadow: inset 0 0 0 8px rgba(229, 170, 67, 0.025);
}

.journey-card h3,
.feature-card h3,
.skill-strip h3 {
  margin: 0;
  font-family: inherit;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.journey-card p,
.feature-card p {
  margin: 12px 0 0;
  color: var(--paper-muted);
  font-size: 14px;
}

.journey-arrow {
  align-self: center;
  color: rgba(229, 170, 67, 0.45);
  font-family: inherit;
  font-size: 24px;
}

.step-tags {
  display: flex;
  gap: 6px;
  margin-top: 19px;
}

.step-tags span {
  padding: 3px 8px;
  color: #8f8599;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
}

.relation-mini {
  position: absolute;
  top: 46px;
  right: 22px;
  width: 92px;
  height: 70px;
  opacity: 0.5;
}

.relation-mini i {
  position: absolute;
  z-index: 2;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--ink);
}

.relation-mini i:first-child { top: 2px; left: 42px; }
.relation-mini i:nth-child(2) { right: 5px; bottom: 4px; }
.relation-mini i:nth-child(3) { bottom: 2px; left: 5px; }
.relation-mini span,
.relation-mini b {
  position: absolute;
  top: 35px;
  left: 13px;
  width: 68px;
  height: 1px;
  background: var(--gold);
  transform-origin: center;
}

.relation-mini span { transform: rotate(55deg); }
.relation-mini b { transform: rotate(-55deg); }

.dialogue-mini {
  display: flex;
  gap: 7px;
  margin-top: 18px;
}

.dialogue-mini i {
  display: block;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: linear-gradient(135deg, #3e2b4f, #17121f);
}

.dialogue-mini i:nth-child(2) { margin-left: -13px; }
.dialogue-mini i:nth-child(3) { margin-left: -13px; }

.guide {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%, rgba(105, 66, 133, 0.17), transparent 28%),
    rgba(255, 255, 255, 0.012);
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 22px;
  align-items: start;
}

.guide-steps {
  display: grid;
  padding: 0;
  margin: 0;
  gap: 12px;
  list-style: none;
}

.guide-step {
  display: grid;
  padding: 28px;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.014));
  transition: border-color 0.25s ease, background 0.25s ease;
}

.guide-step:hover {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(229, 170, 67, 0.055), rgba(87, 54, 109, 0.025));
}

.guide-number {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.guide-number span {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(229, 170, 67, 0.06);
  font-size: 11px;
  font-weight: 700;
}

.guide-number i {
  width: 1px;
  min-height: 88px;
  margin-top: 10px;
  flex: 1;
  background: linear-gradient(var(--line-strong), transparent);
}

.guide-label {
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.guide-step h3,
.starter-card h3,
.glossary-card h3,
.faq-card h3 {
  margin: 6px 0 0;
  font-size: 22px;
  line-height: 1.4;
}

.guide-step-body > p,
.starter-card > p {
  margin: 10px 0 0;
  color: var(--paper-muted);
  font-size: 13px;
}

.guide-route {
  display: flex;
  margin-top: 17px;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.guide-route span {
  padding: 5px 9px;
  color: #cfc3d5;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 10px;
}

.guide-route b {
  color: #756b7d;
  font-size: 10px;
  font-weight: 400;
}

.guide-tip {
  padding: 11px 13px;
  margin-top: 15px;
  color: #a99eaf;
  border-left: 2px solid var(--gold);
  background: rgba(229, 170, 67, 0.035);
  font-size: 11px;
}

.guide-tip strong {
  color: var(--paper);
}

.guide-action {
  display: inline-flex;
  margin-top: 15px;
  align-items: center;
  gap: 7px;
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 700;
}

.mode-pills {
  display: flex;
  margin-top: 15px;
  flex-wrap: wrap;
  gap: 7px;
}

.mode-pills span {
  padding: 7px 10px;
  color: #928797;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
}

.mode-pills strong {
  margin-right: 3px;
  color: var(--paper);
}

.guide-sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 12px;
}

.starter-card,
.glossary-card,
.faq-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-soft);
}

.starter-card {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(229, 170, 67, 0.075), var(--ink-soft) 56%);
}

.starter-card .starter-note {
  margin-top: 14px;
  color: var(--gold-light);
  font-size: 10px;
}

.glossary-card dl {
  margin: 18px 0 0;
}

.glossary-card dl > div {
  display: grid;
  padding: 11px 0;
  grid-template-columns: 68px 1fr;
  gap: 8px;
  border-top: 1px solid rgba(244, 233, 214, 0.07);
}

.glossary-card dt {
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 700;
}

.glossary-card dd {
  margin: 0;
  color: #9a8fa1;
  font-size: 10px;
}

.faq-card details {
  border-top: 1px solid rgba(244, 233, 214, 0.07);
}

.faq-card details:first-of-type {
  margin-top: 15px;
}

.faq-card summary {
  padding: 12px 0;
  color: #cfc4d4;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
}

.faq-card details p {
  padding: 0 0 13px;
  margin: -2px 0 0;
  color: #8f8496;
  font-size: 10px;
}

.features {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(63, 38, 80, 0.11), transparent 35%);
}

.feature-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.feature-card {
  position: relative;
  min-height: 320px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-soft);
}

.feature-card::after {
  position: absolute;
  right: -20%;
  bottom: -50%;
  width: 70%;
  height: 100%;
  pointer-events: none;
  content: "";
  border-radius: 50%;
  background: rgba(108, 66, 136, 0.12);
  filter: blur(30px);
}

.feature-card h3 {
  margin-top: 14px;
  font-size: 26px;
}

.feature-card-wide {
  display: grid;
  min-height: 350px;
  grid-column: span 8;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  background:
    radial-gradient(circle at 84% 50%, rgba(117, 74, 148, 0.2), transparent 35%),
    var(--ink-soft);
}

.feature-copy {
  max-width: 400px;
}

.constellation {
  position: relative;
  z-index: 2;
  width: 270px;
  height: 250px;
  margin-left: auto;
}

.node {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--paper-muted);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: #1a1421;
  font-size: 10px;
  box-shadow: 0 0 0 8px rgba(229, 170, 67, 0.025);
}

.node-main {
  top: 90px;
  left: 105px;
  width: 72px;
  height: 72px;
  color: var(--gold-light);
  border-color: rgba(229, 170, 67, 0.52);
}

.node-a { top: 10px; left: 8px; }
.node-b { top: 8px; right: 5px; }
.node-c { right: 25px; bottom: 2px; }

.constellation .line {
  position: absolute;
  z-index: 1;
  top: 124px;
  left: 135px;
  width: 130px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(229, 170, 67, 0.15));
  transform-origin: left center;
}

.constellation .line-a { transform: rotate(-143deg); }
.constellation .line-b { transform: rotate(-43deg); }
.constellation .line-c { transform: rotate(46deg); }

.feature-card-chat {
  grid-column: span 4;
  color: var(--paper);
  background: linear-gradient(160deg, #2b1e37, #17121f 70%);
}

.chat-stack {
  position: relative;
  z-index: 1;
  margin-top: 32px;
}

.chat-stack div {
  display: flex;
  padding: 11px;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(244, 233, 214, 0.08);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.13);
}

.chat-stack div + div { margin-top: -2px; transform: translateX(16px); }
.chat-stack div:nth-child(3) { transform: translateX(4px); }

.chat-stack i {
  display: grid;
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--gold-light);
  border-radius: 50%;
  background: #443054;
  font-family: inherit;
  font-size: 11px;
  font-style: normal;
}

.chat-stack span {
  color: #c7bccd;
  font-size: 10px;
}

.feature-card-memory {
  grid-column: span 5;
  min-height: 290px;
  background: linear-gradient(140deg, rgba(229, 170, 67, 0.075), var(--ink-soft) 46%);
}

.check-list {
  display: grid;
  padding: 0;
  margin: 27px 0 0;
  gap: 8px;
  list-style: none;
}

.check-list li {
  color: var(--paper-muted);
  font-size: 13px;
}

.check-list li::before {
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-right: 9px;
  place-items: center;
  color: var(--gold);
  content: "✓";
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 9px;
}

.feature-card-local {
  display: grid;
  min-height: 290px;
  grid-column: span 7;
  grid-template-columns: 150px 1fr;
  gap: 30px;
  align-items: center;
}

.local-ring {
  position: relative;
  display: grid;
  width: 135px;
  height: 135px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.local-ring::before,
.local-ring::after {
  position: absolute;
  content: "";
  border: 1px dashed rgba(229, 170, 67, 0.25);
  border-radius: 50%;
}

.local-ring::before { inset: 10px; }
.local-ring::after { inset: 25px; border-style: solid; }

.local-ring span {
  z-index: 1;
  color: var(--gold-light);
  font-family: inherit;
  font-size: 20px;
}

.feature-card-small {
  min-height: 250px;
  grid-column: span 6;
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 29px;
  place-items: center;
  color: var(--gold);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(229, 170, 67, 0.05);
  font-size: 22px;
}

.showcase {
  overflow: hidden;
}

.showcase-tabs {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
}

.showcase-tabs button {
  padding: 9px 18px;
  color: #857b8f;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  transition: color 0.2s ease, background 0.2s ease;
}

.showcase-tabs button[aria-selected="true"] {
  color: #1b1309;
  background: var(--gold-light);
}

.showcase-canvas {
  position: relative;
  min-height: 640px;
  padding: 55px 55px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    radial-gradient(circle at 50% 45%, rgba(112, 72, 140, 0.23), transparent 34%),
    linear-gradient(145deg, #17121f, #110e17);
}

.showcase-canvas::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 85%);
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.showcase-glow {
  position: absolute;
  bottom: -220px;
  left: 50%;
  width: 80%;
  height: 360px;
  border-radius: 50%;
  background: rgba(229, 170, 67, 0.12);
  filter: blur(70px);
  transform: translateX(-50%);
}

.showcase-panel {
  position: relative;
  z-index: 1;
  height: 100%;
  animation: panelIn 0.45s ease both;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.desktop-frame {
  width: 100%;
  padding: 8px 8px 0;
  overflow: hidden;
  border: 1px solid rgba(244, 233, 214, 0.2);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
  background: #28222d;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.45);
}

.frame-top {
  display: flex;
  height: 28px;
  padding-left: 8px;
  align-items: center;
  gap: 5px;
}

.frame-top span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6f6875;
}

.frame-top span:first-child { background: var(--gold); }

.desktop-frame img {
  width: 100%;
  aspect-ratio: 1.555 / 1;
  border-radius: 10px 10px 0 0;
  object-fit: cover;
  object-position: center bottom;
}

.phone-frame {
  position: relative;
  width: min(340px, 72vw);
  height: 650px;
  padding: 9px;
  margin: -15px auto 0;
  overflow: hidden;
  border: 1px solid rgba(244, 233, 214, 0.22);
  border-radius: 42px 42px 0 0;
  background: #09080d;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.5);
}

.phone-frame img {
  width: 100%;
  height: 100%;
  border-radius: 34px 34px 0 0;
  object-fit: cover;
  object-position: top;
}

.phone-speaker {
  position: absolute;
  top: 18px;
  left: 50%;
  z-index: 2;
  width: 65px;
  height: 5px;
  border-radius: 999px;
  background: #15131a;
  transform: translateX(-50%);
}

.screen-caption {
  margin-top: 22px;
  color: #84798c;
  text-align: center;
  font-size: 12px;
}

.screen-caption span {
  margin-right: 8px;
  color: var(--gold);
  font-family: inherit;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.download {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 14% 48%, rgba(118, 76, 146, 0.16), transparent 26%),
    rgba(255, 255, 255, 0.012);
}

.download-shell {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 100px;
  align-items: center;
}

.download-intro > p:not(.section-kicker) {
  max-width: 510px;
  margin: 26px 0 0;
  color: var(--paper-muted);
}

.download-intro .button {
  margin-top: 32px;
}

.platform-list {
  display: grid;
  gap: 10px;
}

.platform-card {
  display: grid;
  min-height: 96px;
  padding: 18px 20px;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.platform-card:hover,
.platform-card:focus-visible {
  border-color: var(--line-strong);
  background: rgba(229, 170, 67, 0.045);
  transform: translateX(5px);
}

.platform-monogram {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  background: rgba(229, 170, 67, 0.05);
  font-family: inherit;
  font-size: 18px;
}

.platform-card strong,
.platform-card small {
  display: block;
}

.platform-card strong {
  font-size: 16px;
}

.platform-card small {
  margin-top: 3px;
  color: #877d90;
  font-size: 11px;
}

.platform-card > i {
  color: var(--gold);
  font-style: normal;
}

.upgrade-note {
  display: flex;
  padding: 16px 20px;
  margin-top: 70px;
  align-items: center;
  gap: 14px;
  color: #afa3b6;
  border: 1px solid rgba(229, 170, 67, 0.16);
  border-radius: 14px;
  background: rgba(229, 170, 67, 0.035);
  font-size: 12px;
}

.upgrade-note > span {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--gold);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: inherit;
}

.upgrade-note p { margin: 0; }
.upgrade-note strong { color: var(--paper); }
.upgrade-note code { color: var(--gold-light); }

.skill-strip {
  display: flex;
  padding: 36px 40px;
  margin-top: 22px;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--ink-soft);
}

.skill-strip h3 {
  margin-top: 8px;
}

.command-box {
  display: flex;
  min-width: min(520px, 100%);
  padding: 7px 7px 7px 18px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #0d0a12;
}

.command-box code {
  overflow: hidden;
  color: #c9bdd0;
  font-family: Consolas, monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.command-box button {
  padding: 8px 13px;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: rgba(229, 170, 67, 0.06);
  cursor: pointer;
  font-size: 11px;
}

.community {
  padding-bottom: 140px;
}

.community-card {
  position: relative;
  padding: 92px 40px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 38px;
  background:
    radial-gradient(circle at 50% 0%, rgba(121, 79, 150, 0.28), transparent 46%),
    linear-gradient(145deg, #1b1523, #120f18);
  text-align: center;
}

.community-card::before,
.community-card::after {
  position: absolute;
  width: 220px;
  height: 220px;
  content: "";
  border: 1px solid rgba(229, 170, 67, 0.09);
  border-radius: 50%;
}

.community-card::before { top: -110px; left: -60px; }
.community-card::after { right: -80px; bottom: -120px; }

.community-stars {
  margin-bottom: 28px;
  color: var(--gold);
  word-spacing: 18px;
}

.community-stars span { font-size: 25px; }

.community-card > p:not(.section-kicker) {
  max-width: 600px;
  margin: 24px auto 0;
  color: var(--paper-muted);
}

.community-actions {
  justify-content: center;
}

.community-meta {
  display: flex;
  margin-top: 54px;
  align-items: center;
  justify-content: center;
  gap: 13px;
  color: #817688;
  font-size: 11px;
}

.community-meta strong {
  color: var(--gold-light);
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.community-meta i {
  width: 1px;
  height: 12px;
  background: var(--line);
}

.site-footer {
  padding: 55px 0 28px;
  border-top: 1px solid var(--line);
  background: #0d0a12;
}

.footer-grid {
  display: grid;
  padding-bottom: 42px;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
}

.footer-brand { justify-self: start; }

.footer-grid > p {
  color: #716777;
  text-align: center;
  font-family: inherit;
}

.footer-links {
  display: flex;
  justify-self: end;
  gap: 24px;
  color: #8c8293;
  font-size: 12px;
}

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

.footer-bottom {
  display: flex;
  padding-top: 24px;
  justify-content: space-between;
  color: #5d5463;
  border-top: 1px solid rgba(244, 233, 214, 0.07);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 4px;
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .hero-stage { width: 100%; margin-right: 0; }

  .hero h1 { font-size: clamp(42px, 5vw, 58px); }
  .manifesto-grid { grid-template-columns: 0.35fr 1.3fr 0.7fr; gap: 30px; }
  .feature-card-wide { grid-column: span 7; }
  .feature-card-chat { grid-column: span 5; }
  .download-shell { gap: 55px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 760px); }
  .section-pad { padding-block: 76px; }

  .menu-button {
    position: relative;
    z-index: 102;
    display: block;
  }

  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 101;
    display: flex;
    padding: 100px 24px 40px;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    visibility: hidden;
    opacity: 0;
    background: rgba(16, 13, 22, 0.97);
    font-family: inherit;
    font-size: 24px;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-github { font-family: inherit; }

  .hero {
    min-height: auto;
    padding: 126px 0 110px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 75px;
  }

  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions,
  .hero-meta { justify-content: center; }
  .hero-stage { width: 100%; margin: 0; transform: none; }
  .hero-scroll { display: none; }
  .memory-note-top { right: -8px; }
  .memory-note-bottom { left: -8px; }

  .manifesto::after { display: none; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .manifesto-copy { max-width: 560px; margin-inline: auto; }

  .heading-row { align-items: start; flex-direction: column; gap: 26px; }
  .journey-track { grid-template-columns: 1fr; }
  .journey-arrow { justify-self: center; transform: rotate(90deg); }
  .journey-card { min-height: 330px; }

  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .faq-card { grid-column: 1 / -1; }

  .feature-card-wide,
  .feature-card-chat,
  .feature-card-memory,
  .feature-card-local,
  .feature-card-small { grid-column: span 12; }

  .showcase-canvas { min-height: 570px; padding: 35px 28px 0; }

  .download-shell { grid-template-columns: 1fr; }
  .skill-strip { align-items: stretch; flex-direction: column; }
  .command-box { min-width: 0; width: 100%; }
  .community-card { padding-inline: 26px; }

  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-brand,
  .footer-links { justify-self: center; }
  .footer-grid > p { margin: 0; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 28px); --radius-lg: 22px; }
  .section-pad { padding-block: 64px; }
  .nav-shell { height: 68px; }

  .hero { padding-top: 110px; }
  .hero h1 { font-size: clamp(38px, 12vw, 48px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-guide-link { justify-content: center; }
  .hero-meta { gap: 8px; }
  .hero-meta > div { padding-left: 10px; flex: 1; }
  .hero-meta strong { font-size: 15px; }
  .hero-meta span { font-size: 8px; }

  .stage-card { border-radius: 12px; }
  .window-bar { height: 32px; grid-template-columns: 1fr auto; }
  .window-bar > span:not(.window-status) { display: none; }
  .stage-card img { aspect-ratio: 1.555 / 1; }
  .memory-note { padding: 8px 10px; }
  .memory-note b { font-size: 9px; }
  .memory-note-top { top: -26px; }
  .memory-note-bottom { bottom: -28px; }

  .manifesto blockquote { font-size: 26px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2,
  .download h2,
  .community h2 { font-size: 34px; }

  .journey-card { min-height: 310px; padding: 24px; }
  .step-glyph { width: 74px; height: 74px; margin: 28px 0 22px; font-size: 31px; }

  .guide-step { padding: 22px 18px; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; }
  .guide-number span { width: 38px; height: 38px; }
  .guide-number i { min-height: 72px; }
  .guide-step h3,
  .starter-card h3,
  .glossary-card h3,
  .faq-card h3 { font-size: 20px; }
  .guide-sidebar { grid-template-columns: 1fr; }
  .faq-card { grid-column: auto; }
  .guide-route { align-items: flex-start; flex-direction: column; }
  .guide-route b { margin-left: 13px; transform: rotate(90deg); }

  .feature-card { min-height: 0; padding: 26px; }
  .feature-card h3 { font-size: 23px; }
  .feature-card-wide { grid-template-columns: 1fr; }
  .constellation { width: 250px; height: 220px; margin: 25px auto -20px; transform: scale(0.86); transform-origin: center; }
  .feature-card-local { grid-template-columns: 1fr; }
  .local-ring { width: 110px; height: 110px; }

  .heading-row .showcase-tabs { align-self: stretch; justify-content: center; }
  .showcase-tabs button { flex: 1; }
  .showcase-canvas { min-height: 460px; padding: 20px 12px 0; border-radius: 24px; }
  .desktop-frame { padding: 5px 5px 0; border-radius: 11px 11px 0 0; }
  .frame-top { height: 20px; }
  .phone-frame { height: 430px; border-radius: 32px 32px 0 0; }

  .download-shell { gap: 50px; }
  .upgrade-note { align-items: flex-start; }
  .skill-strip { padding: 26px 20px; }
  .command-box { align-items: stretch; flex-direction: column; padding: 14px; }
  .command-box code { white-space: normal; word-break: break-all; }

  .community-card { padding-block: 70px; border-radius: 26px; }
  .community-actions { flex-direction: column; }
  .community-actions .button { width: 100%; }
  .community-meta { flex-wrap: wrap; }

  .footer-bottom { align-items: center; flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Plugin development guide */
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 700;
  transition: gap 0.2s ease, color 0.2s ease;
}

.feature-link:hover,
.feature-link:focus-visible {
  gap: 12px;
  color: var(--gold);
}

.docs-page {
  background:
    radial-gradient(circle at 82% 5%, rgba(105, 60, 137, 0.2), transparent 27%),
    radial-gradient(circle at 9% 25%, rgba(128, 83, 44, 0.12), transparent 25%),
    var(--ink);
}

.docs-hero {
  position: relative;
  padding: 154px 0 82px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.docs-hero::after {
  position: absolute;
  right: -12%;
  bottom: -1px;
  width: 62%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.45;
}

.docs-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 80px;
  align-items: end;
}

.docs-breadcrumb {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-bottom: 30px;
  color: var(--paper-muted);
  font-size: 13px;
}

.docs-breadcrumb a { color: var(--gold-light); }
.docs-breadcrumb a:hover { color: var(--gold); }

.docs-hero h1 {
  max-width: 800px;
  margin: 22px 0 24px;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(46px, 6.8vw, 82px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.docs-hero h1 em {
  color: var(--gold-light);
  font-weight: 500;
}

.docs-hero-lead {
  max-width: 750px;
  margin: 0;
  color: var(--paper-muted);
  font-size: 18px;
}

.docs-version-card {
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(229, 170, 67, 0.08), transparent 50%),
    rgba(29, 23, 38, 0.82);
  box-shadow: var(--shadow);
}

.docs-version-label {
  display: block;
  color: var(--paper-muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.docs-version-card > strong {
  display: block;
  margin: 4px 0 22px;
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 52px;
  font-weight: 500;
  line-height: 1;
}

.docs-version-card dl { margin: 0; }
.docs-version-card dl > div {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.docs-version-card dt { color: var(--paper-muted); }
.docs-version-card dd { margin: 0; color: var(--paper); }

.docs-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 82px;
  align-items: start;
  padding-top: 72px;
}

.docs-toc {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 5px;
  padding-bottom: 40px;
}

.docs-toc p {
  margin: 0 0 9px;
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.docs-toc a {
  padding: 6px 0 6px 13px;
  color: var(--paper-muted);
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.35;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.docs-toc a:hover,
.docs-toc a:focus-visible {
  color: var(--paper);
  border-color: var(--gold);
}

.docs-content { min-width: 0; }

.doc-section {
  padding: 22px 0 86px;
  scroll-margin-top: 96px;
  border-bottom: 1px solid var(--line);
}

.doc-section + .doc-section { padding-top: 82px; }
.doc-section:last-child { border-bottom: 0; }

.doc-section > h2 {
  max-width: 810px;
  margin: 12px 0 24px;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(32px, 4.3vw, 50px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.doc-section > p:not(.section-kicker):not(.docs-footnote) {
  max-width: 820px;
  color: var(--paper-muted);
}

.docs-lead { font-size: 17px; }

.docs-content code {
  color: var(--gold-light);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
}

.plugin-model-grid,
.contribution-grid,
.security-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.plugin-model-card,
.contribution-grid article,
.security-list article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(29, 23, 38, 0.68);
}

.plugin-model-card.is-recommended {
  border-color: var(--line-strong);
  background:
    linear-gradient(145deg, rgba(229, 170, 67, 0.09), transparent 58%),
    rgba(29, 23, 38, 0.82);
}

.plugin-model-card.is-muted { opacity: 0.78; }
.plugin-model-card > span,
.contribution-index {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.plugin-model-card h3,
.contribution-grid h3,
.security-list strong {
  margin: 13px 0 8px;
  color: var(--paper);
  font-size: 19px;
}
.plugin-model-card p,
.contribution-grid p,
.security-list p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 14px;
}
.plugin-model-card small {
  display: block;
  margin-top: 16px;
  color: var(--violet);
  font-size: 12px;
}

.code-panel {
  margin: 30px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #0d0b12;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.24);
}

.code-panel-head {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 8px 18px;
  color: var(--paper-muted);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.code-panel-head button {
  padding: 5px 11px;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
}

.code-panel-head button:hover,
.code-panel-head button:focus-visible { background: rgba(229, 170, 67, 0.1); }

.code-panel pre {
  max-height: 620px;
  margin: 0;
  padding: 22px;
  overflow: auto;
  color: #dfd4e7;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  line-height: 1.72;
  tab-size: 2;
}

.code-panel pre code { color: inherit; font-size: inherit; }

.doc-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
}

.doc-steps li {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(29, 23, 38, 0.5);
}

.doc-steps li > span {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--ink);
  border-radius: 50%;
  background: var(--gold-light);
  font-size: 13px;
  font-weight: 800;
}

.doc-steps strong { display: block; margin-bottom: 3px; }
.doc-steps p { margin: 0; color: var(--paper-muted); font-size: 13px; }

.doc-table-wrap {
  margin: 32px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 15px;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(23, 18, 31, 0.72);
  font-size: 14px;
}

.doc-table th,
.doc-table td {
  padding: 15px 17px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.doc-table tr:last-child td { border-bottom: 0; }
.doc-table th {
  color: var(--gold-light);
  background: rgba(229, 170, 67, 0.055);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.doc-table td { color: var(--paper-muted); }
.doc-table td:first-child { color: var(--paper); white-space: nowrap; }
.operations-table { min-width: 760px; }

.doc-callout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin: 26px 0;
  padding: 20px;
  border: 1px solid rgba(156, 124, 197, 0.25);
  border-radius: 14px;
  background: rgba(156, 124, 197, 0.07);
}

.doc-callout > span {
  display: grid;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--ink);
  border-radius: 50%;
  background: var(--violet);
  font-family: Georgia, serif;
  font-weight: 700;
}
.doc-callout p { margin: 0; color: var(--paper-muted); font-size: 14px; }
.doc-callout-warning { border-color: var(--line-strong); background: rgba(229, 170, 67, 0.065); }
.doc-callout-warning > span { background: var(--gold); }

.template-grid,
.permission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 30px 0;
}

.template-grid > div,
.permission-grid > div {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(29, 23, 38, 0.5);
}
.template-grid span,
.permission-grid span { color: var(--paper-muted); font-size: 13px; text-align: right; }

.docs-subheading {
  margin: 50px 0 12px;
  color: var(--paper);
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 26px;
  font-weight: 500;
}

.docs-footnote { color: var(--paper-muted); font-size: 13px; }

.package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}
.package-grid > div {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(29, 23, 38, 0.5);
}
.package-grid h3 { margin: 0 0 12px; font-size: 15px; }
.command-box-docs { width: 100%; min-width: 0; }
.command-box-docs code { overflow-x: auto; white-space: nowrap; }
.docs-check-list { margin-top: 30px; }

.security-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.security-list article { min-height: 150px; }
.security-list strong { display: block; margin-top: 0; color: var(--gold-light); }

.release-checklist {
  display: grid;
  padding: 0;
  margin: 34px 0 54px;
  list-style: none;
}
.release-checklist li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.release-checklist li > span { color: var(--gold); font-family: Georgia, serif; font-size: 18px; }
.release-checklist p { margin: 0; color: var(--paper-muted); }
.release-checklist strong { margin-right: 10px; color: var(--paper); }

.docs-next-card {
  display: flex;
  gap: 34px;
  align-items: flex-end;
  justify-content: space-between;
  padding: 34px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 90% 0, rgba(156, 124, 197, 0.15), transparent 35%),
    rgba(29, 23, 38, 0.75);
}
.docs-next-card h3 { margin: 8px 0; font-family: Georgia, "Noto Serif SC", serif; font-size: 28px; font-weight: 500; }
.docs-next-card p { max-width: 520px; margin: 0; color: var(--paper-muted); }
.docs-next-card .community-actions { flex: 0 0 auto; }
.docs-footer { margin-top: 28px; }

@media (max-width: 1080px) {
  .docs-hero-grid { gap: 44px; }
  .docs-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 48px; }
}

@media (max-width: 900px) {
  .docs-hero-grid { grid-template-columns: 1fr; }
  .docs-version-card { max-width: 500px; }
  .docs-layout { display: block; }
  .docs-toc { display: none; }
  .plugin-model-grid,
  .contribution-grid { grid-template-columns: 1fr; }
  .package-grid { grid-template-columns: 1fr; }
  .docs-next-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .docs-hero { padding: 126px 0 62px; }
  .docs-hero h1 { font-size: 42px; }
  .docs-hero-lead { font-size: 16px; }
  .docs-version-card { padding: 22px; }
  .docs-layout { padding-top: 42px; }
  .doc-section { padding-bottom: 62px; }
  .doc-section + .doc-section { padding-top: 58px; }
  .doc-steps,
  .template-grid,
  .permission-grid,
  .security-list { grid-template-columns: 1fr; }
  .template-grid > div,
  .permission-grid > div { align-items: flex-start; flex-direction: column; }
  .template-grid span,
  .permission-grid span { text-align: left; }
  .code-panel { margin-inline: -12px; border-radius: 12px; }
  .code-panel pre { padding: 18px; font-size: 12px; }
  .release-checklist li { grid-template-columns: 42px 1fr; gap: 10px; }
  .release-checklist strong { display: block; margin: 0 0 3px; }
  .docs-next-card { padding: 25px; }
  .docs-next-card .community-actions { width: 100%; }
  .docs-next-card .button { width: 100%; justify-content: center; }
}