:root {
  --ink: #040b18;
  --ink-soft: #081329;
  --ink-raised: #0b1c36;
  --paper: #edf6ff;
  --paper-soft: #b9cae0;
  --signal: #4cc9ff;
  --signal-soft: #7adfff;
  --signal-deep: #168cff;
  --flare: #7c8cff;
  --muted: #6f8cab;
  --line: rgba(221, 238, 255, 0.14);
  --line-strong: rgba(221, 238, 255, 0.26);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  --display: "Source Han Sans SC", "思源黑体 CN", "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --sans: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "Cascadia Mono", Bahnschrift, "DIN Alternate", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  min-width: 300px;
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
}

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

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.skip-link {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 999;
  padding: 0.65rem 1rem;
  color: var(--ink);
  background: var(--signal);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.shell {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
  border-bottom: 1px solid rgba(221, 238, 255, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 94px;
}

.brand {
  display: inline-flex;
  gap: 0.85rem;
  align-items: center;
  justify-self: start;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  overflow: hidden;
  place-items: center;
  border: 0;
  border-radius: 13px;
  background: rgba(76, 201, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(76, 201, 255, 0.38), 0 0 24px rgba(22, 140, 255, 0.15);
}

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

.brand-copy {
  display: grid;
  gap: 0.05rem;
}

.brand-copy b {
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.brand-copy small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.15em;
}

.main-nav {
  display: flex;
  gap: clamp(1.5rem, 3vw, 3.2rem);
  align-items: center;
}

.main-nav a {
  position: relative;
  color: var(--paper-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.55rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-tools {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  justify-self: end;
}

.language-switcher {
  display: inline-flex;
  gap: 0.36rem;
  align-items: center;
  padding: 0.38rem 0.48rem;
  border: 1px solid rgba(221, 238, 255, 0.14);
  background: rgba(4, 11, 24, 0.34);
  backdrop-filter: blur(12px);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.language-switcher a {
  min-width: 1.65rem;
  padding: 0.2rem 0.12rem;
  color: var(--muted);
  text-align: center;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

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

.language-switcher a.is-active {
  color: var(--ink);
  background: var(--signal);
}

.language-switcher > span {
  color: rgba(221, 238, 255, 0.28);
}

.header-action {
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  justify-self: end;
  padding: 0.68rem 0.92rem 0.68rem 1.1rem;
  border: 1px solid rgba(221, 238, 255, 0.24);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-action span {
  color: var(--signal);
  font-size: 1rem;
}

.header-action:hover,
.header-action:focus-visible {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.header-action:hover span,
.header-action:focus-visible span {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 154px 0 42px;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(221, 238, 255, 0.025) 1px, transparent 1px) 50% 0 / 11.111% 100%,
    radial-gradient(circle at 77% 40%, rgba(30, 126, 255, 0.1), transparent 31%),
    linear-gradient(145deg, #040b18 0%, #040b18 56%, #071329 100%);
}

.hero::before {
  position: absolute;
  inset: 94px 0 auto;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(76, 201, 255, 0.25), transparent);
}

.hero::after {
  position: absolute;
  right: -10vw;
  bottom: 8%;
  z-index: -1;
  width: 34vw;
  min-width: 380px;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(76, 201, 255, 0.018), 0 0 0 160px rgba(76, 201, 255, 0.01);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: -18%;
  z-index: -1;
  width: 60vw;
  height: 70vw;
  opacity: 0.7;
  background: radial-gradient(ellipse, rgba(124, 140, 255, 0.09), transparent 64%);
  transform: rotate(-18deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(460px, 0.82fr);
  gap: clamp(3rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100svh - 250px);
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding: 2.5rem 0 3rem;
}

.eyebrow {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 1.9rem;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
}

.eyebrow > span {
  width: 36px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.25rem, 4.45vw, 4.9rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.hero h1 em,
.finale h2 em {
  position: relative;
  display: inline-block;
  color: var(--signal);
  font-style: normal;
}

.hero h1 em::after {
  position: absolute;
  right: -0.12em;
  bottom: 0.08em;
  width: 0.12em;
  height: 0.12em;
  content: "";
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 22px rgba(124, 140, 255, 0.75);
}

.hero-intro {
  max-width: 640px;
  margin: 2.1rem 0 0;
  color: var(--paper-soft);
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  border: 1px solid transparent;
  font-size: 0.83rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 180ms ease, color 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  color: var(--ink);
  background: var(--signal);
  box-shadow: 0 12px 32px rgba(76, 201, 255, 0.12);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #a6e8ff;
  box-shadow: 0 14px 40px rgba(76, 201, 255, 0.2);
}

.button-ghost {
  color: var(--paper);
  border-color: var(--line-strong);
  background: rgba(221, 238, 255, 0.025);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--paper-soft);
  background: rgba(221, 238, 255, 0.07);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
  padding: 0;
  margin: 2.5rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  list-style: none;
}

.hero-facts li {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.hero-facts span {
  color: var(--flare);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.language-stage {
  --pointer-x: 50%;
  --pointer-y: 44%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  perspective: 1200px;
}

.language-stage::before {
  position: absolute;
  inset: -26%;
  z-index: -2;
  content: "";
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(76, 201, 255, 0.14), rgba(26, 142, 255, 0.04) 26%, transparent 56%);
  filter: blur(10px);
  transition: background-position 120ms linear;
}

.stage-aura {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -2;
  width: 112%;
  aspect-ratio: 1;
  border: 1px solid rgba(88, 188, 255, 0.12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.stage-aura::before,
.stage-aura::after {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.stage-aura::before {
  width: 78%;
  height: 78%;
}

.stage-aura::after {
  width: 126%;
  height: 126%;
  border-style: dashed;
  animation: orbit-spin 36s linear infinite;
}

.stage-frame {
  position: relative;
  z-index: 2;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(221, 238, 255, 0.19);
  border-radius: 2px;
  background:
    linear-gradient(rgba(76, 201, 255, 0.035) 1px, transparent 1px) 0 0 / 100% 32px,
    linear-gradient(90deg, rgba(76, 201, 255, 0.025) 1px, transparent 1px) 0 0 / 32px 100%,
    rgba(5, 16, 36, 0.88);
  box-shadow: var(--shadow), inset 0 0 80px rgba(22, 140, 255, 0.025);
  backdrop-filter: blur(18px);
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
}

.stage-frame::before,
.stage-frame::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.stage-frame::before {
  inset: 0;
  z-index: 6;
  background: linear-gradient(105deg, transparent 26%, rgba(255, 255, 255, 0.035) 42%, transparent 58%);
  transform: translateX(-80%);
  animation: glass-scan 8s ease-in-out infinite;
}

.stage-frame::after {
  inset: 10px;
  border: 1px solid rgba(76, 201, 255, 0.055);
}

.stage-topbar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 62px;
  padding: 0 1.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
}

.stage-status {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.stage-status b {
  color: var(--paper-soft);
  font-size: inherit;
  font-weight: 500;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 5px rgba(124, 140, 255, 0.1), 0 0 12px rgba(124, 140, 255, 0.8);
  animation: live-pulse 1.8s ease-out infinite;
}

.stage-route {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  color: var(--paper);
}

.stage-route span {
  min-width: 2.5rem;
  padding: 0.25rem 0.42rem;
  border: 1px solid var(--line-strong);
  text-align: center;
}

.stage-route i {
  color: var(--signal);
  font-style: normal;
}

.stage-topbar time {
  justify-self: end;
}

.stage-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 365px;
  padding: 3rem clamp(1.6rem, 4vw, 3.2rem) 2rem;
  transition: opacity 240ms ease, transform 240ms ease, filter 240ms ease;
}

.stage-content::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(76, 201, 255, 0.055) 49%, rgba(76, 201, 255, 0.2) 50%, transparent 51%);
  background-size: 100% 160px;
}

.stage-content.is-outputting::after {
  opacity: 1;
  animation: output-scan 2.2s linear infinite;
}

.stage-content.is-changing {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(8px);
}

.caption-kicker {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.2em;
}

.caption-kicker i {
  width: 34px;
  height: 1px;
  background: currentColor;
}

.caption-kicker-target {
  color: rgba(76, 201, 255, 0.64);
}

.caption-source,
.caption-target {
  min-height: 2.5em;
  margin: 0;
  line-height: 1.4;
  transition: color 160ms ease;
}

.caption-source {
  font-family: var(--display);
  font-size: clamp(1.65rem, 2.7vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.caption-target {
  color: var(--signal);
  font-family: var(--mono);
  font-size: clamp(1rem, 1.45vw, 1.35rem);
  font-weight: 360;
  letter-spacing: 0.01em;
}

.caption-source.is-typing::after,
.caption-target.is-typing::after {
  display: inline-block;
  width: 0.08em;
  height: 0.92em;
  margin-left: 0.12em;
  content: "";
  vertical-align: -0.06em;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
  animation: typing-cursor 720ms steps(1, end) infinite;
}

.stage-content.is-outputting .caption-kicker span {
  color: var(--signal);
  text-shadow: 0 0 12px rgba(76, 201, 255, 0.4);
}

.translation-rule {
  position: relative;
  width: 100%;
  height: 1px;
  margin: 1.7rem 0 1.35rem;
  overflow: hidden;
  background: var(--line);
}

.translation-rule span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  background: linear-gradient(90deg, var(--signal-deep), var(--signal));
  box-shadow: 0 0 15px rgba(76, 201, 255, 0.3);
  animation: translate-progress 4.7s ease-in-out infinite;
}

.stage-footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) 1fr;
  gap: 1.2rem;
  align-items: center;
  min-height: 74px;
  padding: 0 1.2rem;
  border-top: 1px solid var(--line);
  background: rgba(4, 11, 24, 0.5);
}

.waveform {
  display: flex;
  gap: 2px;
  align-items: center;
  height: 34px;
}

.waveform i {
  flex: 1;
  height: var(--bar-height);
  min-height: 2px;
  max-height: 100%;
  background: linear-gradient(to top, var(--signal-deep), var(--signal));
  opacity: 0.68;
  transform-origin: center;
  animation: wave var(--bar-speed) ease-in-out infinite alternate;
  animation-delay: calc(var(--bar-index) * -37ms);
}

.stage-meta {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  justify-content: flex-end;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
}

.stage-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--signal);
}

.orbit {
  position: absolute;
  z-index: 1;
  width: 14px;
  height: 14px;
  border: 2px solid var(--signal);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 16px rgba(76, 201, 255, 0.6);
}

.orbit-one {
  top: 14%;
  right: -8px;
}

.orbit-two {
  bottom: 19%;
  left: -8px;
  width: 9px;
  height: 9px;
  border-color: var(--flare);
  box-shadow: 0 0 14px rgba(124, 140, 255, 0.7);
}

.stage-tag {
  position: absolute;
  z-index: 4;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.stage-tag-a {
  top: 6%;
  left: -24px;
}

.stage-tag-b {
  right: -24px;
  bottom: 6%;
}

.signal-strip {
  display: flex;
  gap: clamp(0.7rem, 2vw, 1.5rem);
  align-items: center;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: rgba(221, 238, 255, 0.52);
  font-family: var(--display);
  font-size: clamp(0.72rem, 1vw, 0.9rem);
}

.signal-strip i {
  width: 3px;
  height: 3px;
  overflow: hidden;
  color: transparent;
  border-radius: 50%;
  background: var(--signal);
}

.section-pad {
  padding: clamp(6rem, 10vw, 10rem) 0;
}

.section-index {
  margin: 0 0 1.4rem;
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
}

.manifesto {
  position: relative;
  color: var(--ink);
  background: var(--paper);
}

.manifesto::before {
  position: absolute;
  top: 0;
  left: 8%;
  width: 1px;
  height: 82px;
  content: "";
  background: var(--flare);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(190px, 0.3fr) 1fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.manifesto .section-index {
  color: #397ca8;
}

.section-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.65rem, 5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.13;
}

.section-title span {
  color: #286c9b;
}

.manifesto-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 850px;
  margin-top: clamp(3rem, 6vw, 5.5rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(4, 11, 24, 0.2);
}

.manifesto-copy p {
  margin: 0;
  color: #344a60;
  font-size: 0.96rem;
  line-height: 1.95;
}

.capabilities {
  background:
    radial-gradient(circle at 14% 22%, rgba(22, 140, 255, 0.07), transparent 22%),
    var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.52fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-heading h2 {
  max-width: 820px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 4.4vw, 4.7rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.13;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.bento-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: clamp(1.4rem, 2.5vw, 2.2rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(221, 238, 255, 0.025);
  transition: transform 300ms ease, border-color 300ms ease, background 300ms ease;
}

.bento-card:hover {
  border-color: rgba(76, 201, 255, 0.3);
  background: rgba(221, 238, 255, 0.04);
  transform: translateY(-5px);
}

.bento-card::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.035), transparent 32%);
}

.bento-primary {
  grid-column: span 7;
  min-height: 560px;
}

.bento-viewer {
  grid-column: span 5;
  min-height: 560px;
  background: #0a1b33;
}

.bento-language,
.bento-control {
  grid-column: span 6;
}

.card-number {
  position: relative;
  z-index: 2;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
}

.card-copy {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin-top: auto;
}

.card-copy h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 2.6vw, 2.7rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.card-copy p {
  max-width: 600px;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.85;
}

.caption-console {
  width: min(90%, 620px);
  margin: 2.7rem auto;
  padding: 1.4rem;
  border: 1px solid rgba(76, 201, 255, 0.22);
  background:
    linear-gradient(rgba(76, 201, 255, 0.04) 1px, transparent 1px) 0 0 / 100% 24px,
    rgba(3, 11, 27, 0.72);
  box-shadow: 18px 22px 0 rgba(76, 201, 255, 0.035), 0 25px 50px rgba(0, 0, 0, 0.22);
  transform: rotate(-1.5deg);
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
}

.console-head span:last-child {
  color: var(--flare);
}

.console-line {
  max-width: 92%;
  margin-top: 1.4rem;
  line-height: 1.5;
}

.console-line-source {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.2vw, 2.1rem);
}

.console-line-target {
  color: var(--signal);
  font-family: var(--mono);
  font-size: clamp(0.85rem, 1.2vw, 1.1rem);
}

.console-progress {
  height: 2px;
  margin-top: 1.8rem;
  background: var(--line);
}

.console-progress i {
  display: block;
  width: 67%;
  height: 100%;
  background: var(--signal);
  box-shadow: 0 0 9px rgba(76, 201, 255, 0.6);
}

.phone-view {
  position: relative;
  width: min(252px, 68%);
  min-height: 270px;
  margin: 2rem auto 2.5rem;
  padding: 2.6rem 1.5rem 1.4rem;
  overflow: hidden;
  border: 1px solid rgba(221, 238, 255, 0.26);
  border-radius: 30px 30px 7px 7px;
  background: linear-gradient(160deg, rgba(221, 238, 255, 0.08), rgba(76, 201, 255, 0.025));
  box-shadow: 0 30px 45px rgba(0, 0, 0, 0.3);
  transform: rotate(3deg);
}

.phone-view::before {
  position: absolute;
  right: -50%;
  bottom: -42%;
  width: 110%;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(76, 201, 255, 0.025), 0 0 0 58px rgba(76, 201, 255, 0.018);
}

.phone-speaker {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 42px;
  height: 3px;
  border-radius: 4px;
  background: rgba(221, 238, 255, 0.35);
  transform: translateX(-50%);
}

.phone-view small {
  color: var(--flare);
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
}

.phone-view b {
  position: relative;
  display: block;
  margin-top: 1.8rem;
  font-family: var(--display);
  font-size: 1.38rem;
  font-weight: 500;
  line-height: 1.5;
}

.phone-view p {
  position: relative;
  margin: 1rem 0 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.5;
}

.language-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: center;
  justify-content: center;
  min-height: 180px;
  margin: 1.5rem auto 2rem;
}

.language-cloud span {
  display: grid;
  width: clamp(48px, 5.2vw, 72px);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--paper-soft);
  font-family: var(--mono);
  font-size: 0.76rem;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}

.language-cloud span:nth-child(even) {
  transform: translateY(14px);
}

.language-cloud span.active,
.language-cloud span:hover {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
  transform: translateY(-6px) scale(1.05);
}

.control-visual {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.8rem);
  align-items: center;
  justify-content: center;
  min-height: 190px;
  margin: 1rem 0 2rem;
}

.control-ring {
  position: relative;
  display: grid;
  width: 126px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(76, 201, 255, 0.34);
  border-radius: 50%;
  box-shadow: inset 0 0 30px rgba(76, 201, 255, 0.06), 0 0 32px rgba(76, 201, 255, 0.05);
}

.control-ring::before,
.control-ring::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.control-ring::before {
  inset: 13px;
  border: 1px dashed rgba(76, 201, 255, 0.2);
  animation: ring-spin 14s linear infinite;
}

.control-ring::after {
  top: 4px;
  width: 6px;
  height: 6px;
  background: var(--flare);
  box-shadow: 0 0 12px var(--flare);
}

.control-ring span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}