@font-face {
  font-family: 'JetBrains Mono';
  src: url('dashboard/public/fonts/JetBrainsMono-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MaiRetroText';
  src:
    local('Bahnschrift Condensed'), local('Bahnschrift'), local('Agency FB'), local('Arial Narrow');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-024F, U+2000-206F;
}

@font-face {
  font-family: 'MaiRetroText';
  src:
    local('Noto Sans SC Bold'), local('NotoSansSC-Bold'), local('Noto Sans SC'),
    local('Microsoft YaHei UI'), local('Microsoft YaHei');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
  unicode-range:
    U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF00-FFEF;
}

:root {
  /* Future Retro light tokens (from Dashboard) */
  --retro-paper: #f3e3cc;
  --retro-paper-deep: #dec5a5;
  --retro-paper-soft: #f6e8d3;
  --retro-ink: #0a4550;
  --retro-ink-soft: rgba(13, 70, 80, 0.68);
  --retro-ink-muted: rgba(13, 70, 80, 0.5);
  --retro-rust: #c24d24;
  --retro-rust-dark: #913a1d;
  --retro-gold: #c99a3e;
  --retro-teal: #0b5a66;
  --retro-success: #22c55e;
  --retro-line: rgba(13, 70, 80, 0.82);
  --retro-line-soft: rgba(13, 70, 80, 0.22);
  --retro-stroke: 2px;
  --retro-recessed: rgba(73, 48, 22, 0.055);
  --retro-recessed-strong: rgba(73, 48, 22, 0.085);
  --retro-shadow: rgba(73, 48, 22, 0.14);
  --retro-font-display: 'MaiRetroText', 'Microsoft YaHei UI', system-ui, sans-serif;
  --retro-font-heading: 'MaiRetroText', 'Microsoft YaHei UI', system-ui, sans-serif;
  --retro-font-body: 'MaiRetroText', 'Microsoft YaHei UI', system-ui, sans-serif;
  --retro-paper-brightness-overlay: linear-gradient(
    rgba(255, 252, 242, 0.24),
    rgba(255, 252, 242, 0.24)
  );
  --retro-paper-texture: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.05' numOctaves='4' seed='11'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 .18 0 0 0 0 .11 0 0 0 0 .04 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23noise)'/%3E%3Cg opacity='.12' fill='%23c24d24'%3E%3Ccircle cx='12' cy='21' r='.7'/%3E%3Ccircle cx='67' cy='43' r='.55'/%3E%3Ccircle cx='139' cy='16' r='.65'/%3E%3Ccircle cx='158' cy='107' r='.6'/%3E%3Ccircle cx='41' cy='151' r='.55'/%3E%3C/g%3E%3C/svg%3E");
  --radius-xl: 4px;
  --radius-lg: 4px;
  --radius-md: 3px;
  --max: 1200px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--retro-ink);
  background-color: var(--retro-paper);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  font-family: var(--retro-font-body);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0;
}

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

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

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

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--retro-rust);
  outline-offset: 3px;
}

/* Decorative corner lines (tricolor bottom-right) */
.corner-lines {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: 1;
  width: 1024px;
  height: 12px;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    var(--retro-ink) 0 calc(100% / 3),
    var(--retro-gold) calc(100% / 3) calc(100% * 2 / 3),
    var(--retro-rust) calc(100% * 2 / 3) 100%
  );
  opacity: 0.92;
}

.site-header,
main,
.footer {
  position: relative;
  z-index: 2;
}

/* Retro card helper: 2px solid border + left ink bar + bottom-right cut corner */
.retro-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-radius: 0;
  background-color: transparent;
  background-image: none;
  box-shadow: none;
  color: var(--retro-ink);
}

.retro-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 0;
  width: 8px;
  background: var(--retro-ink);
}

.retro-card::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  z-index: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 22px 22px;
  border-color: transparent transparent var(--retro-ink) transparent;
  pointer-events: none;
}

.retro-card > * {
  position: relative;
  z-index: 1;
}

.site-header {
  width: min(var(--max), calc(100% - 40px));
  margin: 14px auto 0;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  position: sticky;
  top: 12px;
  z-index: 20;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-radius: 0;
  background-color: var(--retro-paper);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  box-shadow: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 0;
  color: var(--retro-paper);
  background: var(--retro-ink);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-size: 1rem;
  font-weight: 900;
  font-family: var(--retro-font-display);
}

.brand-text {
  display: block;
  line-height: 1;
}

.brand-text strong {
  letter-spacing: 0;
  font-size: 1.15rem;
  font-weight: 900;
  font-family: var(--retro-font-display);
  text-transform: uppercase;
}

.brand-text small {
  display: block;
  color: var(--retro-ink-soft);
  font-size: 0.72rem;
  margin-top: 3px;
  letter-spacing: 0.04em;
  font-weight: 700;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-radius: 0;
  background: var(--retro-paper-soft);
}

.nav a {
  padding: 6px 14px;
  border-radius: 0;
  color: var(--retro-ink);
  font-size: 0.84rem;
  font-weight: 800;
  font-family: var(--retro-font-heading);
  letter-spacing: 0;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease;
}

.nav a:hover {
  color: var(--retro-paper);
  background: var(--retro-ink);
}

.header-link {
  color: var(--retro-rust);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
  font-family: var(--retro-font-heading);
  letter-spacing: 0;
  text-transform: uppercase;
  border-bottom: var(--retro-stroke) solid var(--retro-rust);
  padding-bottom: 2px;
  transition: color 160ms ease;
}

.header-link:hover {
  color: var(--retro-rust-dark);
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 78px);
  padding: 72px 0 58px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: 46px;
  align-items: center;
}

.eyebrow,
.section-label,
.card-kicker,
.deploy-label {
  margin: 0 0 14px;
  color: var(--retro-rust);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--retro-font-heading);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 900;
  font-family: var(--retro-font-display);
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 6.8vw, 6.2rem);
  max-width: 760px;
  color: var(--retro-ink);
  text-transform: none;
}

h2 {
  font-size: clamp(2.2rem, 4.8vw, 4.4rem);
  margin-bottom: 20px;
  color: var(--retro-ink);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
  letter-spacing: 0;
  font-weight: 800;
  font-family: var(--retro-font-heading);
  color: var(--retro-ink);
}

.hero-lede {
  max-width: 650px;
  color: var(--retro-ink-soft);
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 24px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 0;
  font-weight: 900;
  font-family: var(--retro-font-heading);
  letter-spacing: 0;
  text-transform: uppercase;
  border: var(--retro-stroke) solid var(--retro-ink);
  transition: background 160ms ease, color 160ms ease;
}

.button-primary {
  color: var(--retro-paper);
  background: var(--retro-ink);
  border-color: var(--retro-ink);
}

.button-primary:hover {
  background: var(--retro-rust);
  border-color: var(--retro-rust);
}

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

.button-secondary:hover {
  background: var(--retro-ink);
  color: var(--retro-paper);
}

.hero-note {
  display: grid;
  gap: 6px;
  max-width: 520px;
  color: var(--retro-ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-note span:first-child {
  color: var(--retro-rust);
  font-weight: 900;
  font-family: var(--retro-font-display);
  text-transform: uppercase;
}

.hero-stage {
  position: relative;
  min-height: 520px;
}

.bot-core {
  position: absolute;
  left: 51%;
  top: 4%;
  width: 220px;
  height: 220px;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
}

.bot-face {
  width: 142px;
  height: 142px;
  position: relative;
  z-index: 3;
  border-radius: 0;
  background: var(--retro-paper-soft);
  border: var(--retro-stroke) solid var(--retro-ink);
  box-shadow: none;
  animation: float 5s ease-in-out infinite;
}

.eye,
.mouth {
  position: absolute;
  background: var(--retro-ink);
}

.eye {
  top: 56px;
  width: 18px;
  height: 18px;
  border-radius: 0;
  animation: blink 5s infinite;
}

.eye-left { left: 44px; }
.eye-right { right: 44px; }

.mouth {
  left: 50%;
  bottom: 38px;
  width: 60px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 0;
}

.pulse-ring {
  position: absolute;
  inset: 12px;
  border-radius: 0;
  border: var(--retro-stroke) solid var(--retro-ink);
  animation: pulse 4s ease-out infinite;
}

.ring-two {
  border-color: var(--retro-rust);
  animation-delay: -1.8s;
}

.orbit-card {
  position: absolute;
  z-index: 4;
  width: 180px;
  padding: 14px 16px;
  border-radius: 0;
  background: var(--retro-paper-soft);
  border: var(--retro-stroke) solid var(--retro-ink);
  box-shadow: none;
}

.orbit-card strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 900;
  font-family: var(--retro-font-heading);
}

.orbit-card-memory {
  left: 0;
  top: 24%;
  transform: rotate(-3deg);
  border-left: 8px solid var(--retro-ink);
}

.orbit-card-timing {
  right: 0;
  top: 2%;
  transform: rotate(3deg);
  border-left: 8px solid var(--retro-rust);
}

.chat-panel {
  position: absolute;
  inset: auto 0 0 auto;
  width: min(100%, 460px);
  min-height: 330px;
  padding: 16px;
  border-radius: 0;
  background: var(--retro-paper-soft);
  border: var(--retro-stroke) solid var(--retro-ink);
  box-shadow: none;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 6px 8px 18px;
  border-bottom: var(--retro-stroke) solid var(--retro-ink);
  margin-bottom: 14px;
}

.chat-header div {
  display: grid;
  line-height: 1.25;
}

.chat-header strong {
  font-family: var(--retro-font-heading);
  font-weight: 900;
}

.chat-header span:not(.live-dot) {
  color: var(--retro-ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--retro-rust);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--retro-font-heading);
}

.live-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 0;
  background: var(--retro-rust);
}

.chat-stream {
  display: grid;
  gap: 14px;
}

.message {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: end;
}

.message p {
  margin: 0;
  padding: 14px 16px;
  border-radius: 0;
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-weight: 700;
}

.message-bot p {
  color: var(--retro-paper);
  background: var(--retro-ink);
  border-color: var(--retro-ink);
}

.message-user.muted {
  opacity: 0.7;
}

.avatar {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 0;
  color: var(--retro-ink);
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-weight: 900;
  font-family: var(--retro-font-heading);
}

.bot-avatar {
  color: var(--retro-paper);
  background: var(--retro-rust);
  border-color: var(--retro-rust);
}

.manifesto,
.capabilities,
.demo-lab,
.deploy,
.architecture {
  padding: 92px 0;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(280px, 1fr);
  gap: 44px;
  align-items: end;
  padding: 52px;
  border-radius: 0;
  color: var(--retro-ink);
  background-color: var(--retro-paper-soft);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-left: 8px solid var(--retro-ink);
  box-shadow: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.manifesto-grid::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  z-index: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 22px 22px;
  border-color: transparent transparent var(--retro-ink) transparent;
  pointer-events: none;
}

.manifesto-grid > * {
  position: relative;
  z-index: 1;
}

.manifesto h2,
.manifesto p {
  margin-bottom: 0;
}

.manifesto p {
  color: var(--retro-ink-soft);
  font-size: 1.15rem;
  font-weight: 700;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.deploy-card,
.persona-console,
.arch-list div {
  background-color: var(--retro-paper-soft);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-radius: 0;
  box-shadow: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.feature-card::before,
.deploy-card::before,
.persona-console::before,
.arch-list div::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 0;
  width: 8px;
  background: var(--retro-ink);
}

.feature-card::after,
.deploy-card::after,
.persona-console::after,
.arch-list div::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  z-index: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 22px 22px;
  border-color: transparent transparent var(--retro-ink) transparent;
  pointer-events: none;
}

.feature-card > *,
.deploy-card > *,
.persona-console > *,
.arch-list div > * {
  position: relative;
  z-index: 1;
}

.feature-card {
  min-height: 240px;
  padding: 28px;
  transition: transform 240ms ease, background 240ms ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background-color: var(--retro-paper-deep);
}

.feature-wide {
  grid-column: span 2;
}

.feature-dark {
  color: var(--retro-paper);
  background-color: var(--retro-ink);
  background-image: none;
}

.feature-dark::before {
  background: var(--retro-rust);
}

.feature-dark::after {
  border-color: transparent transparent var(--retro-rust) transparent;
}

.feature-card p {
  color: var(--retro-ink-soft);
}

.feature-dark h3,
.feature-dark strong {
  color: var(--retro-paper) !important;
}

.feature-dark p {
  color: rgba(243, 227, 204, 0.78) !important;
}

.feature-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  border-radius: 0;
  color: var(--retro-paper);
  background: var(--retro-ink);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-weight: 900;
  font-size: 1.1rem;
  font-family: var(--retro-font-heading);
}

.feature-dark .feature-icon {
  color: var(--retro-ink);
  background: var(--retro-paper);
  border-color: var(--retro-paper);
}

.demo-lab {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 1fr);
  gap: 38px;
  align-items: center;
}

.demo-copy p:not(.eyebrow) {
  color: var(--retro-ink-soft);
  max-width: 540px;
  font-weight: 700;
}

.persona-console {
  padding: 20px;
}

.persona-tabs {
  display: flex;
  gap: 0;
  padding: 4px;
  border-radius: 0;
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
}

.persona-tab {
  flex: 1;
  border: 0;
  padding: 12px 10px;
  border-radius: 0;
  color: var(--retro-ink);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  font-family: var(--retro-font-heading);
  letter-spacing: 0;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease;
}

.persona-tab:hover {
  background: var(--retro-recessed);
}

.persona-tab.is-active {
  color: var(--retro-paper);
  background: var(--retro-ink);
}

.persona-screen {
  margin-top: 18px;
  min-height: 208px;
  padding: 30px;
  display: grid;
  align-content: space-between;
  gap: 28px;
  border-radius: 0;
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
}

.persona-line {
  margin: 0;
  font-size: clamp(1.18rem, 2.2vw, 1.9rem);
  line-height: 1.38;
  letter-spacing: 0;
  font-weight: 900;
  font-family: var(--retro-font-display);
  color: var(--retro-ink);
}

.persona-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.persona-meta span {
  padding: 8px 14px;
  border-radius: 0;
  color: var(--retro-rust);
  background: transparent;
  border: var(--retro-stroke) solid var(--retro-rust);
  font-size: 0.82rem;
  font-weight: 900;
  font-family: var(--retro-font-heading);
  text-transform: uppercase;
}

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

.deploy-card {
  padding: 28px;
  transition: transform 220ms ease;
}

.deploy-card:hover {
  transform: translateY(-4px);
}

.deploy-card p {
  min-height: 78px;
  color: var(--retro-ink-soft);
  font-weight: 700;
}

.deploy-card code {
  display: block;
  padding: 16px;
  border-radius: 0;
  color: var(--retro-paper);
  background: var(--retro-ink);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  line-height: 1.6;
  white-space: normal;
  font-weight: 500;
}

.deploy-featured {
  background-color: var(--retro-ink);
  background-image: none;
  color: var(--retro-paper);
  transform: translateY(-14px);
}

.deploy-featured::before {
  background: var(--retro-rust);
}

.deploy-featured::after {
  border-color: transparent transparent var(--retro-rust) transparent;
}

.deploy-featured h3 {
  color: var(--retro-paper);
}

.deploy-featured p {
  color: rgba(243, 227, 204, 0.78);
}

.deploy-featured:hover {
  transform: translateY(-18px);
}

.deploy-note {
  display: block;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--retro-ink-soft);
  font-style: italic;
  font-weight: 700;
}

.deploy-featured .deploy-note {
  color: rgba(243, 227, 204, 0.65);
}

.architecture {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1fr);
  gap: 38px;
  align-items: start;
}

/* ===== 一天时间线 ===== */
.day-in-chat {
  padding: 92px 0;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 22px;
  align-items: start;
  padding: 24px 26px 22px;
  background-color: var(--retro-paper-soft);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  border: var(--retro-stroke) solid var(--retro-ink);
  border-left: 8px solid var(--retro-ink);
  overflow: hidden;
  isolation: isolate;
  transition: transform 220ms ease;
}

.timeline-item::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  z-index: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 22px 22px;
  border-color: transparent transparent var(--retro-ink) transparent;
  pointer-events: none;
}

.timeline-item:hover {
  transform: translateX(6px);
}

.timeline-item:nth-child(2) {
  border-left-color: var(--retro-rust);
}
.timeline-item:nth-child(2)::after {
  border-bottom-color: var(--retro-rust);
}
.timeline-item:nth-child(3) {
  border-left-color: var(--retro-gold);
}
.timeline-item:nth-child(3)::after {
  border-bottom-color: var(--retro-gold);
}

.timeline-time {
  font-family: var(--retro-font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--retro-rust);
  letter-spacing: 0;
  line-height: 1;
  padding-top: 2px;
}

.timeline-bubbles {
  display: grid;
  gap: 10px;
}

.timeline-bubble {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: end;
}

.timeline-bubble p {
  margin: 0;
  padding: 10px 14px;
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-weight: 700;
}

.timeline-bubble.bot p {
  color: var(--retro-paper);
  background: var(--retro-ink);
  border-color: var(--retro-ink);
}

.timeline-who {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--retro-paper);
  border: var(--retro-stroke) solid var(--retro-ink);
  font-weight: 900;
  font-family: var(--retro-font-heading);
  color: var(--retro-ink);
}

.timeline-who.bot {
  color: var(--retro-paper);
  background: var(--retro-rust);
  border-color: var(--retro-rust);
}

.timeline-note {
  grid-column: 2;
  margin-top: 8px;
  color: var(--retro-ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
  font-style: italic;
}

/* ===== 新增互动效果 ===== */

/* 眼睛跟随效果 */
.bot-face {
  transition: transform 0.3s ease;
}

.eye {
  transition: transform 0.15s ease;
}

.eye-left, .eye-right {
  transform-origin: center;
}

/* 点击涟漪效果 */
.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(194, 77, 36, 0.3);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
}

.ripple-effect.ripple-active::after {
  animation: ripple-animation 0.6s ease-out;
}

@keyframes ripple-animation {
  0% {
    width: 0;
    height: 0;
    opacity: 0.5;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

/* 卡片3D倾斜效果 */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease;
}

.tilt-card:hover {
  transform: perspective(1000px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg));
}

.tilt-card .feature-icon,
.tilt-card h3,
.tilt-card p {
  transform: translateZ(20px);
}

/* 墨迹轨迹效果 */
.ink-trail {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--retro-rust);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  z-index: 9998;
  mix-blend-mode: multiply;
}

.ink-trail.active {
  animation: ink-trail-fade 1s ease-out forwards;
}

@keyframes ink-trail-fade {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.3);
  }
}

/* 齿轮加速效果 */
.gear:hover {
  animation-duration: 20s !important;
}

.gear-one:hover {
  animation-duration: 20s !important;
}

.gear-two:hover {
  animation-duration: 30s !important;
}

/* 时间线卡片增强 */
.timeline-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover {
  transform: translateX(6px) translateY(-4px);
  box-shadow: 0 8px 24px rgba(13, 70, 80, 0.15);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(194, 77, 36, 0.1) 0%, transparent 100%);
  transition: width 0.4s ease;
  z-index: 0;
}

.timeline-item:hover::before {
  width: 100%;
}

/* 时间线头部样式 */
.timeline-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.timeline-mood {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--retro-ink-soft);
  padding: 4px 10px;
  background: var(--retro-paper);
  border: 1px solid var(--retro-line-soft);
}

/* 时间线评论样式 */
.timeline-commentary {
  grid-column: 2;
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--retro-paper);
  border-left: 3px solid var(--retro-rust);
  font-size: 0.9rem;
  color: var(--retro-ink);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.timeline-commentary strong {
  color: var(--retro-rust);
  font-weight: 900;
  margin-right: 6px;
}

/* Section intro 样式 */
.section-intro {
  font-size: 1.1rem;
  color: var(--retro-ink-soft);
  margin-top: 12px;
  line-height: 1.7;
  max-width: 700px;
}

/* 响应式调整 */
@media (max-width: 980px) {
  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .timeline-commentary {
    grid-column: 1;
  }
}

@media (hover: none) {
  .tilt-card:hover {
    transform: none;
  }
  
  .timeline-item:hover {
    transform: translateX(6px);
  }
  
  .timeline-item:hover::before {
    width: 0;
  }
}

/* ===== 偷看内心按钮 ===== */
.thought-btn {
  grid-column: 2;
  margin-top: 8px;
  padding: 6px 14px;
  background: var(--retro-paper);
  border: 1px solid var(--retro-line-soft);
  color: var(--retro-rust);
  font-family: var(--retro-font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
}

.thought-btn:hover {
  background: var(--retro-rust);
  color: var(--retro-paper);
  transform: translateX(4px);
}

.thought-btn.active {
  background: var(--retro-rust);
  color: var(--retro-paper);
}

/* 内心独白气泡 */
.thought-bubble {
  grid-column: 2;
  margin-top: 8px;
  padding: 10px 16px;
  background: var(--retro-gold);
  border: 1px solid var(--retro-line-soft);
  font-size: 0.85rem;
  color: var(--retro-ink);
  font-style: italic;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.thought-bubble.show {
  opacity: 1;
  max-height: 100px;
  margin-top: 8px;
}

.thought-bubble::before {
  content: '💭 ';
  margin-right: 4px;
}

/* ===== 小游戏样式 ===== */
.mini-game {
  text-align: center;
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
}

.game-bot {
  width: 180px;
  height: 180px;
  background: var(--retro-paper);
  border: 2px solid var(--retro-ink);
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-bot:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 4px var(--retro-rust);
}

.game-bot:active {
  transform: scale(0.95);
}

.game-face {
  position: relative;
  width: 100%;
  height: 100%;
}

.game-eye {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--retro-ink);
  border-radius: 50%;
  top: 40%;
  transition: all 0.15s ease;
}

.game-eye-left {
  left: 35%;
}

.game-eye-right {
  right: 35%;
}

.game-mouth {
  position: absolute;
  width: 40px;
  height: 3px;
  background: var(--retro-ink);
  top: 65%;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.2s ease;
}

.game-bot.happy .game-mouth {
  height: 20px;
  border-radius: 0 0 20px 20px;
  background: transparent;
  border: 3px solid var(--retro-ink);
  border-top: none;
}

.game-bot.surprised .game-eye {
  width: 24px;
  height: 24px;
}

.game-bot.surprised .game-mouth {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--retro-rust);
}

.game-reaction {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: var(--retro-paper);
  border: 2px solid var(--retro-rust);
  font-family: var(--retro-font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--retro-rust);
  opacity: 0;
  transition: all 0.3s ease;
  white-space: nowrap;
  z-index: 10;
}

.game-reaction.show {
  opacity: 1;
  top: -50px;
}

.game-score {
  font-family: var(--retro-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--retro-ink);
}

.game-score strong {
  color: var(--retro-rust);
  font-size: 1.4rem;
  margin-left: 8px;
}

.game-hint {
  font-size: 0.85rem;
  color: var(--retro-ink-soft);
  font-style: italic;
}

/* ===== 记忆系统可视化 ===== */
.memory-demo {
  margin-top: 30px;
  padding: 40px;
  background: var(--retro-paper);
  border: 2px solid var(--retro-ink);
  position: relative;
  overflow: hidden;
}

.memory-demo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--retro-teal) 0%, var(--retro-gold) 50%, var(--retro-rust) 100%);
}

.memory-demo::after {
  content: '◎';
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 3rem;
  color: var(--retro-rust);
  opacity: 0.15;
}

.memory-graph {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  padding: 30px 0;
  position: relative;
}

/* 知识图谱连接线 */
.memory-graph::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 15%;
  width: 70%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--retro-line-soft) 0px, var(--retro-line-soft) 8px, transparent 8px, transparent 16px);
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
}

.memory-graph::after {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  width: 2px;
  height: 40%;
  background: repeating-linear-gradient(0deg, var(--retro-line-soft) 0px, var(--retro-line-soft) 8px, transparent 8px, transparent 16px);
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
}

.memory-node {
  padding: 14px 24px;
  border: 2px solid var(--retro-ink);
  font-family: var(--retro-font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  position: relative;
  min-width: 120px;
  justify-content: center;
  z-index: 1;
}

.memory-node:hover {
  transform: scale(1.1) rotate(-2deg);
  box-shadow: 0 0 0 3px var(--retro-rust);
  z-index: 2;
}

.memory-core {
  background: var(--retro-rust);
  color: var(--retro-paper);
  border-color: var(--retro-rust);
  font-size: 1.1rem;
  padding: 18px 32px;
}

.memory-fact {
  background: var(--retro-gold);
  color: var(--retro-ink);
  border-color: var(--retro-ink);
}

.memory-event {
  background: var(--retro-teal);
  color: var(--retro-paper);
  border-color: var(--retro-teal);
}

.memory-icon {
  font-size: 1.3rem;
}

.memory-caption {
  margin-top: 24px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--retro-ink-soft);
  font-style: italic;
  padding-top: 20px;
  border-top: 1px dashed var(--retro-line-soft);
}

/* ===== 学习系统演示 ===== */
.learn-demo {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  padding: 30px;
  background: var(--retro-paper);
  border: 2px solid var(--retro-ink);
  overflow: hidden;
}

.learn-demo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--retro-rust) 0%, var(--retro-gold) 50%, var(--retro-teal) 100%);
}

.learn-demo::after {
  content: '✦';
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-size: 2rem;
  color: var(--retro-gold);
  opacity: 0.2;
}

.learn-example {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--retro-paper);
  border: 2px solid var(--retro-ink);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.learn-example::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  background: var(--retro-gold);
}

.learn-example::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 18px 18px;
  border-color: transparent transparent var(--retro-gold) transparent;
  pointer-events: none;
}

.learn-example:hover {
  transform: translateX(8px);
  box-shadow: 0 0 0 3px var(--retro-gold);
}

.learn-example:hover .learn-arrow {
  transform: translateX(8px);
  color: var(--retro-rust);
}

.learn-input,
.learn-output {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.learn-label {
  font-family: var(--retro-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--retro-rust);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.learn-input code {
  padding: 12px 16px;
  background: var(--retro-teal);
  color: var(--retro-paper);
  border: 2px solid var(--retro-ink);
  font-family: var(--retro-font-mono);
  font-size: 0.95rem;
  font-weight: 600;
}

.learn-output code {
  padding: 12px 16px;
  background: var(--retro-gold);
  color: var(--retro-ink);
  border: 2px solid var(--retro-ink);
  font-family: var(--retro-font-mono);
  font-size: 0.95rem;
  font-weight: 600;
}

.learn-arrow {
  font-size: 2.5rem;
  color: var(--retro-rust);
  font-weight: 900;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.learn-caption {
  margin-top: 12px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--retro-ink-soft);
  font-style: italic;
  padding-top: 16px;
  border-top: 1px dashed var(--retro-line-soft);
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
  .learn-example {
    flex-direction: column;
  }
  
  .learn-arrow {
    transform: rotate(90deg);
  }
  
  .game-bot {
    width: 140px;
    height: 140px;
  }
}

.arch-list {
  display: grid;
  gap: 14px;
}

.arch-list div {
  padding: 20px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
  transition: transform 220ms ease;
}

.arch-list div::before {
  background: var(--retro-rust);
}

.arch-list div::after {
  border-color: transparent transparent var(--retro-rust) transparent;
}

.arch-list div:hover {
  transform: translateX(6px);
}

.arch-list strong {
  font-family: var(--retro-font-heading);
  font-weight: 900;
  color: var(--retro-ink);
}

.arch-list span {
  color: var(--retro-ink-soft);
  font-weight: 700;
}

.footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 34px auto 26px;
  padding: 30px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-radius: 0;
  color: var(--retro-ink-soft);
  background-color: var(--retro-paper-soft);
  background-image: var(--retro-paper-brightness-overlay), var(--retro-paper-texture);
  background-size: auto, 180px 180px;
  border: var(--retro-stroke) solid var(--retro-ink);
  box-shadow: none;
}

.footer strong {
  color: var(--retro-ink);
  font-size: 1.3rem;
  font-weight: 900;
  font-family: var(--retro-font-display);
  text-transform: uppercase;
}

.footer p {
  margin: 8px 0 0;
  max-width: 580px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
  justify-content: flex-end;
}

.footer-links a {
  padding: 9px 14px;
  border-radius: 0;
  color: var(--retro-ink);
  background: transparent;
  border: var(--retro-stroke) solid var(--retro-ink);
  font-size: 0.82rem;
  font-weight: 900;
  font-family: var(--retro-font-heading);
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease;
}

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

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

body.is-loading .hero-copy > *,
body.is-loading .hero-stage {
  opacity: 0;
  transform: translateY(16px);
}

body:not(.is-loading) .hero-copy > *,
body:not(.is-loading) .hero-stage {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

body:not(.is-loading) .hero-copy > *:nth-child(2) { transition-delay: 80ms; }
body:not(.is-loading) .hero-copy > *:nth-child(3) { transition-delay: 160ms; }
body:not(.is-loading) .hero-copy > *:nth-child(4) { transition-delay: 240ms; }
body:not(.is-loading) .hero-copy > *:nth-child(5) { transition-delay: 320ms; }

@keyframes float {
  50% { transform: translateY(-12px); }
}

@keyframes blink {
  0%, 46%, 52%, 100% { transform: scaleY(1); }
  49% { transform: scaleY(0.08); }
}

@keyframes pulse {
  0% { transform: scale(0.72); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

@keyframes gear-rotate {
  from { transform: translate(var(--gx, 0px), var(--gy, 0px)) rotate(0deg); }
  to { transform: translate(var(--gx, 0px), var(--gy, 0px)) rotate(360deg); }
}

@keyframes float-deco {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(8px, -12px) rotate(8deg); }
}

@media (max-width: 980px) {
  .site-header {
    width: min(100% - 24px, var(--max));
    margin-top: 10px;
    padding: 8px 12px;
    gap: 12px;
  }

  .brand-text small {
    display: none;
  }

  .nav {
    order: 0;
    width: auto;
    justify-content: initial;
    gap: 0;
  }

  .nav a {
    padding: 4px 8px;
    font-size: 0.74rem;
  }

  .nav a:nth-child(3),
  .nav a:nth-child(4) {
    display: none;
  }

  .header-link {
    font-size: 0.74rem;
  }

  .hero,
  .demo-lab,
  .architecture,
  .manifesto-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-stage {
    min-height: 500px;
  }

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

  .deploy-featured {
    transform: none;
  }

  .arch-list div {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 20px;
  }

  .timeline-note {
    grid-column: 1;
  }

  .corner-lines {
    width: 160px;
    height: 9px;
    opacity: 0.82;
  }
}

@media (max-width: 680px) {
  .site-header,
  .section,
  .footer {
    width: min(100% - 24px, var(--max));
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 0.86rem;
  }

  .brand-text strong,
  .header-link {
    font-size: 0.8rem;
  }

  .nav {
    gap: 0;
  }

  .nav a {
    font-size: 0.7rem;
  }

  .hero {
    min-height: auto;
    padding: 42px 0 24px;
    gap: 28px;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-stage {
    min-height: 490px;
  }

  .bot-core {
    top: 0;
    width: 200px;
    height: 200px;
  }

  .bot-face {
    width: 128px;
    height: 128px;
  }

  .eye {
    top: 48px;
    width: 16px;
    height: 16px;
  }

  .eye-left { left: 40px; }
  .eye-right { right: 40px; }
  .mouth { bottom: 34px; width: 54px; }

  .orbit-card {
    width: 156px;
    padding: 12px 13px;
  }

  .orbit-card-memory {
    left: 0;
    top: 150px;
  }

  .orbit-card-timing {
    right: 0;
    top: 100px;
  }

  .chat-panel {
    width: 100%;
    min-height: 300px;
  }

  .manifesto,
  .capabilities,
  .demo-lab,
  .deploy,
  .architecture {
    padding: 56px 0;
  }

  .manifesto-grid {
    padding: 28px;
  }

  .feature-grid,
  .deploy-grid {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: auto;
  }

  .persona-tabs {
    flex-direction: column;
  }

  .arch-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .footer {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

/* ===== 互动背景层 ===== */
.bg-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.gear {
  position: absolute;
  color: var(--retro-ink);
  opacity: 0.1;
  transform-origin: 50% 50%;
  will-change: transform;
}

.gear-one {
  top: -8rem;
  left: -8rem;
  width: 28rem;
  height: 28rem;
  animation: gear-rotate 80s linear infinite;
}

.gear-two {
  right: -10rem;
  bottom: -10rem;
  width: 34rem;
  height: 34rem;
  opacity: 0.08;
  animation: gear-rotate 120s linear infinite reverse;
}

.gear-body {
  fill: rgba(13, 70, 80, 0.06);
}

.float-deco {
  position: absolute;
  left: var(--x);
  top: var(--y);
  color: var(--retro-rust);
  font-size: 1.4rem;
  font-weight: 900;
  opacity: 0.32;
  animation: float-deco 6s ease-in-out infinite;
  animation-delay: var(--d);
  will-change: transform;
}

.deco-star {
  font-family: var(--retro-font-display);
}

.deco-dot {
  width: 10px;
  height: 10px;
  background: var(--retro-gold);
  border-radius: 0;
}

/* 鼠标跟随墨点 */
.cursor-ink {
  position: fixed;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  background: var(--retro-rust);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
  opacity: 0;
  transition: opacity 220ms ease, width 220ms ease, height 220ms ease;
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .cursor-ink {
    opacity: 0.45;
  }
}

.cursor-ink.is-hot {
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  opacity: 0.7;
}

/* 滚动进度条（三色） */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 50;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(
    to right,
    var(--retro-ink) 0 33%,
    var(--retro-gold) 33% 66%,
    var(--retro-rust) 66% 100%
  );
  transition: width 80ms linear;
}

/* 编号标签 */
.num {
  display: inline-grid;
  place-items: center;
  min-width: 1.6rem;
  height: 1.6rem;
  padding: 0 0.4rem;
  margin-right: 8px;
  color: var(--retro-paper);
  background: var(--retro-ink);
  font-size: 0.7rem;
  font-weight: 900;
  font-family: var(--retro-font-display);
  vertical-align: middle;
  transform: translateY(-2px);
}

.section-label .num {
  background: var(--retro-rust);
}

/* 卡片 hover 墨水扩散 */
.feature-card,
.deploy-card {
  transition: transform 240ms ease, background 240ms ease;
}

.feature-card:hover,
.deploy-card:hover {
  transform: translateY(-5px);
}

.feature-card:hover {
  background-color: var(--retro-paper-deep);
}

.arch-list div {
  transition: transform 220ms ease;
}

/* 互动元素在触屏隐藏 */
@media (hover: none), (pointer: coarse) {
  .cursor-ink { display: none; }
  .gear { opacity: 0.06; }
}

@media (max-width: 980px) {
  .gear-one { width: 20rem; height: 20rem; }
  .gear-two { width: 24rem; height: 24rem; }
  .float-deco { font-size: 1.1rem; }
}

@media (max-width: 680px) {
  .gear { opacity: 0.05; }
  .float-deco { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}