:root {
  --bg: #090706;
  --bg-soft: #110d0a;
  --panel: rgba(28, 21, 16, 0.82);
  --panel-strong: rgba(37, 28, 22, 0.95);
  --line: rgba(240, 214, 181, 0.14);
  --line-strong: rgba(240, 214, 181, 0.28);
  --text: #f6ede3;
  --muted: #cfbfad;
  --muted-strong: #e6d5c0;
  --accent: #b78455;
  --accent-strong: #e1aa6c;
  --accent-soft: #f6dcc0;
  --teal: #8ac7bc;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --site-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(183, 132, 85, 0.18), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(138, 199, 188, 0.11), transparent 28%),
    linear-gradient(180deg, #0f0b08 0%, #090706 40%, #0d0807 100%);
  min-height: 100vh;
}

body.dialog-open {
  overflow: hidden;
}

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

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

button,
a.button,
.button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(9, 7, 6, 0.7);
  border-bottom: 1px solid var(--line);
}

.nav-shell,
.section-inner,
.footer-inner,
.detail-grid,
.article-shell,
.tech-banner-inner {
  width: min(calc(100% - 2.4rem), var(--site-width));
  margin: 0 auto;
}

.nav-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 0;
}

.brand-lockup {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-mark {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 180ms ease;
}

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

.hero {
  position: relative;
  overflow: clip;
  padding: clamp(4rem, 8vw, 7rem) 0 3rem;
  min-height: calc(100svh - 78px);
}

.hero-grand {
  position: relative;
  min-height: calc(100svh - 78px);
  display: grid;
  align-items: end;
  overflow: clip;
  background: #070605;
}

.hero-grand-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-grand-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 6, 5, 0.5) 0%, rgba(7, 6, 5, 0.18) 38%, rgba(7, 6, 5, 0.05) 72%, rgba(7, 6, 5, 0.02) 100%),
    linear-gradient(180deg, rgba(7, 6, 5, 0.04) 0%, rgba(7, 6, 5, 0.12) 60%, rgba(7, 6, 5, 0.3) 100%);
}

.hero-grand-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2.4rem), var(--site-width));
  margin: 0 auto;
  padding: clamp(5.5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.hero-grand-copy {
  position: relative;
  max-width: 640px;
  padding: clamp(1.2rem, 2vw, 1.8rem);
}

.hero-title .hero-line {
  display: block;
}

.hero-title .hero-line + .hero-line {
  margin-top: 0.16em;
}

.hero-grand-copy::before {
  content: "";
  position: absolute;
  inset: -0.6rem -0.8rem -0.8rem -0.9rem;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.05), transparent 34%),
    linear-gradient(90deg, rgba(7, 6, 5, 0.68) 0%, rgba(7, 6, 5, 0.38) 42%, rgba(7, 6, 5, 0.12) 78%, rgba(7, 6, 5, 0) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(4px);
  z-index: -1;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto auto -24% 48%;
  width: min(52vw, 680px);
  height: min(52vw, 680px);
  background: radial-gradient(circle, rgba(183, 132, 85, 0.18), transparent 68%);
  pointer-events: none;
}

.hero-grid,
.beam-layout,
.tws-layout,
.cta-layout {
  width: min(calc(100% - 2.4rem), var(--site-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  color: var(--accent-soft);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

.display-title,
.detail-title,
.article-title {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.detail-title,
.article-title {
  font-size: clamp(2.4rem, 4vw, 4.1rem);
}

.lede,
.section-copy,
.detail-copy,
.article-prose p,
.article-intro {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.8;
}

.cta-row,
.tech-actions,
.hero-meta,
.inline-links,
.list-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button,
.button-outline,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #180f09;
  font-weight: 800;
  box-shadow: 0 16px 40px rgba(183, 132, 85, 0.28);
}

.button-outline {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.text-link {
  padding-inline: 0;
  min-height: unset;
  color: var(--accent-soft);
  font-weight: 700;
}

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

.hero-meta {
  margin-top: 1.6rem;
}

.hero-meta span,
.micro-tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.68rem 0.95rem;
  color: var(--muted-strong);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
}

.hero-stage {
  position: relative;
  display: grid;
  gap: 1rem;
}

.product-poster,
.floating-panel,
.beam-visual,
.tws-visual,
.scenario-item,
.spec-table,
.faq-block details,
.answers-list a,
.answer-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    var(--panel);
  box-shadow: var(--shadow);
}

.product-poster,
.floating-panel {
  border-radius: var(--radius-xl);
  overflow: clip;
}

.product-poster figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 1.2rem 1.25rem;
}

.product-poster strong {
  font-size: 1.18rem;
}

.product-poster span {
  color: var(--muted);
  font-size: 0.92rem;
}

.poster-float {
  animation: poster-float 7s ease-in-out infinite;
}

.poster-float.delay {
  animation-delay: 0.8s;
}

.section-shell,
.detail-section,
.article-section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 1.25rem;
  align-items: end;
  margin-bottom: 2.25rem;
}

.section-kicker {
  color: var(--accent-soft);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-title {
  margin: 0.55rem 0 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  line-height: 1.1;
}

.product-story {
  position: relative;
  overflow: clip;
}

.product-story::before {
  content: "";
  position: absolute;
  inset: 14% 0 8% 0;
  pointer-events: none;
}

.product-story::before {
  background:
    radial-gradient(circle at 70% 50%, rgba(183, 132, 85, 0.1), transparent 34%),
    linear-gradient(90deg, rgba(10, 8, 7, 0.04), rgba(10, 8, 7, 0.2));
}

.tone-spacious::before {
  background:
    radial-gradient(circle at 26% 42%, rgba(183, 132, 85, 0.14), transparent 34%),
    linear-gradient(90deg, rgba(10, 8, 7, 0.2), rgba(10, 8, 7, 0.04));
}

.product-story-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 440px) minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 4.25rem);
  align-items: center;
}

.product-story-grid.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
}

.product-story-grid.reverse .product-story-copy {
  order: 2;
  justify-self: end;
}

.product-story-grid.reverse .product-story-media {
  order: 1;
}

.product-story-copy {
  display: grid;
  gap: 1.05rem;
  max-width: 440px;
}

.product-story-media {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 0;
  border-radius: var(--radius-xl);
  overflow: clip;
  border: 1px solid var(--line);
  background: #050403;
  box-shadow: var(--shadow);
  align-self: start;
}

.product-story-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 5, 4, 0.02), rgba(7, 5, 4, 0.14)),
    linear-gradient(90deg, rgba(7, 5, 4, 0.02), rgba(7, 5, 4, 0.1));
  pointer-events: none;
  z-index: 2;
}

.product-story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.product-story:hover .product-story-media img,
.product-story:focus-within .product-story-media img {
  transform: scale(1.03);
}

.product-carousel {
  isolation: isolate;
}

.carousel-stage {
  position: absolute;
  inset: 0;
}

.carousel-image {
  position: absolute;
  inset: 0;
  opacity: 0;
  filter: brightness(0.56) saturate(0.86);
  transform: scale(1.018);
  transition: opacity 950ms ease, filter 950ms ease, transform 1500ms ease;
}

.carousel-image.is-active {
  opacity: 1;
  filter: brightness(1) saturate(1.03);
  transform: scale(1);
}

.carousel-dots {
  position: absolute;
  left: 1.15rem;
  bottom: 1rem;
  z-index: 3;
  display: inline-flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 30px;
  height: 4px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(246, 220, 192, 0.22);
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}

.carousel-dot.is-active {
  background: rgba(246, 220, 192, 0.9);
  transform: scaleX(1.06);
}

.tws-story {
  position: relative;
  overflow: clip;
}

.tws-story::before {
  content: "";
  position: absolute;
  inset: 12% 0 10% 0;
  background:
    radial-gradient(circle at 50% 46%, rgba(225, 170, 108, 0.16), transparent 24%),
    linear-gradient(90deg, rgba(10, 8, 7, 0.08), rgba(10, 8, 7, 0.3) 50%, rgba(10, 8, 7, 0.08));
  pointer-events: none;
}

.tws-story-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 430px) minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 4.2rem);
  align-items: center;
}

.tws-story-copy {
  display: grid;
  gap: 1.05rem;
  max-width: 430px;
}

.tws-story-visual {
  min-height: clamp(360px, 42vw, 520px);
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 50%, rgba(225, 170, 108, 0.11), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(12, 9, 8, 0.86);
}

.tws-stage {
  position: relative;
  min-height: clamp(336px, 40vw, 488px);
  border-radius: calc(var(--radius-xl) - 8px);
  overflow: hidden;
  border: 1px solid rgba(246, 220, 192, 0.08);
  background:
    radial-gradient(circle at 50% 50%, rgba(225, 170, 108, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 34%),
    linear-gradient(180deg, rgba(20, 15, 13, 0.96), rgba(8, 6, 6, 1));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    inset 0 0 100px rgba(225, 170, 108, 0.06);
}

.tws-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 78px,
      rgba(255, 255, 255, 0.035) 79px,
      transparent 80px
    );
  opacity: 0.28;
  pointer-events: none;
}

.tws-diagram {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: transform 220ms ease-out;
  z-index: 2;
}

.tws-fallback-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.fallback-beam {
  position: absolute;
  top: 50%;
  width: 32%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(225, 170, 108, 0), rgba(246, 220, 192, 0.95), rgba(225, 170, 108, 0.08));
  box-shadow:
    0 0 16px rgba(225, 170, 108, 0.4),
    0 0 32px rgba(225, 170, 108, 0.18);
  opacity: 0.78;
  transform-origin: center;
  animation: fallback-beam-flow 2.8s ease-in-out infinite;
}

.fallback-beam-left {
  left: 16%;
}

.fallback-beam-right {
  right: 16%;
}

.fallback-beam-left.beam-a,
.fallback-beam-right.beam-a {
  top: 38%;
}

.fallback-beam-left.beam-b,
.fallback-beam-right.beam-b {
  top: 62%;
  animation-delay: 0.9s;
}

.fallback-beam-left {
  transform: rotate(10deg);
}

.fallback-beam-right {
  transform: rotate(-10deg);
}

.fallback-focus-ring,
.fallback-focus-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.fallback-focus-ring {
  width: clamp(120px, 14vw, 170px);
  aspect-ratio: 1;
  border: 1px solid rgba(246, 220, 192, 0.28);
  box-shadow:
    0 0 18px rgba(225, 170, 108, 0.24),
    inset 0 0 24px rgba(225, 170, 108, 0.08);
  animation: fallback-ring-pulse 3.6s ease-out infinite;
}

.fallback-focus-ring.ring-b {
  animation-delay: 1.1s;
}

.fallback-focus-core {
  width: clamp(34px, 4vw, 52px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(246, 220, 192, 1), rgba(225, 170, 108, 0.62) 52%, rgba(225, 170, 108, 0.08));
  box-shadow:
    0 0 22px rgba(246, 220, 192, 0.5),
    0 0 50px rgba(225, 170, 108, 0.28);
  animation: fallback-core-pulse 2.8s ease-in-out infinite;
}

.atmosphere-haze {
  fill: rgba(225, 170, 108, 0.12);
  animation: haze-breathe 4.8s ease-in-out infinite;
}

.atmosphere-haze-soft {
  fill: rgba(246, 220, 192, 0.05);
  animation-delay: 0.8s;
}

.beam-echo {
  fill: none;
  stroke: rgba(225, 170, 108, 0.16);
  stroke-width: 18;
  stroke-linecap: round;
  animation: beam-echo 3.2s ease-in-out infinite;
}

.beam-echo.delay {
  animation-delay: 0.8s;
}

.beam-path {
  fill: none;
  stroke: url(#beamStroke);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 24 76;
  animation: beam-flow 2.4s linear infinite;
}

.beam-delay {
  animation-delay: 0.7s;
}

.target-ring {
  fill: none;
  stroke: rgba(225, 170, 108, 0.26);
  transform-origin: center;
  animation: target-pulse-svg 4s ease-out infinite;
}

.ring-mid {
  animation-delay: 0.8s;
}

.ring-inner {
  animation-delay: 1.6s;
}

.target-core {
  fill: url(#targetFill);
  animation: core-flicker 3.4s ease-in-out infinite;
}

.speaker {
  transform-origin: center;
  animation: speaker-float 4.5s ease-in-out infinite;
}

.speaker-right {
  animation-delay: 0.55s;
}

.speaker-shell {
  fill: rgba(20, 15, 13, 0.95);
  stroke: rgba(246, 220, 192, 0.11);
  stroke-width: 1.5;
}

.speaker-driver {
  fill: rgba(8, 6, 5, 0.98);
  stroke: rgba(246, 220, 192, 0.18);
  stroke-width: 1.25;
}

.tws-overlay-copy {
  position: absolute;
  left: 50%;
  bottom: 1.15rem;
  transform: translateX(-50%);
  display: grid;
  gap: 0.28rem;
  justify-items: center;
  text-align: center;
  pointer-events: none;
  transition: transform 220ms ease-out;
  z-index: 3;
}

.tws-overlay-label {
  color: var(--accent-soft);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tws-overlay-note {
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.8rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(183, 132, 85, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    var(--panel-strong);
}

.contact-intro {
  max-width: 560px;
  padding-right: clamp(0.4rem, 1.5vw, 1.2rem);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.contact-item {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    rgba(16, 12, 10, 0.72);
  min-height: 100%;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 1.08rem;
}

.contact-item p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  line-height: 1.75;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.contact-map-trigger {
  border: none;
  background: transparent;
  cursor: pointer;
}

.map-dialog {
  width: min(calc(100% - 2rem), 620px);
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text);
}

.map-dialog::backdrop {
  background: rgba(5, 4, 4, 0.72);
  backdrop-filter: blur(10px);
}

.map-dialog-panel {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at top left, rgba(183, 132, 85, 0.15), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
    rgba(16, 12, 10, 0.96);
  box-shadow: var(--shadow);
}

.map-dialog-title {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.map-dialog-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.map-dialog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.map-dialog-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.58rem 0.82rem;
  color: var(--muted-strong);
  font-size: 0.88rem;
  background: rgba(255, 255, 255, 0.03);
}

.map-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.map-dialog-close {
  position: absolute;
  top: 0.95rem;
  right: 0.95rem;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.map-dialog-dismiss {
  justify-self: start;
}

.series-grid,
.scenario-grid,
.spec-grid,
.detail-columns,
.answers-grid {
  display: grid;
  gap: 1.25rem;
}

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

.series-block,
.detail-pane,
.answer-card {
  padding: 1.7rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(183, 132, 85, 0.06), transparent 40%),
    rgba(19, 14, 11, 0.82);
}

.series-block h3,
.detail-pane h2,
.answer-card h3,
.spec-table h2,
.faq-block h2 {
  margin: 0 0 0.9rem;
  font-size: 1.55rem;
  line-height: 1.25;
}

.series-copy,
.detail-pane p,
.answer-card p,
.spec-table p,
.faq-block p,
.bullet-list li,
.article-prose li {
  color: var(--muted);
  line-height: 1.8;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.stat {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.stat strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.18rem;
}

.bullet-list,
.clean-list,
.article-prose ul,
.spec-list {
  margin: 0;
  padding-left: 1.1rem;
}

.bullet-list li + li,
.article-prose li + li,
.clean-list li + li,
.spec-list li + li {
  margin-top: 0.55rem;
}

.beam-visual,
.tws-visual {
  position: relative;
  min-height: 360px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.speaker-column,
.speaker-pair {
  position: absolute;
  display: grid;
  gap: 0.8rem;
}

.speaker-column {
  left: 10%;
  top: 50%;
  transform: translateY(-50%);
}

.speaker-pair.left {
  left: 9%;
  top: 50%;
  transform: translateY(-50%);
}

.speaker-pair.right {
  right: 9%;
  top: 50%;
  transform: translateY(-50%);
}

.driver-stack {
  width: 84px;
  padding: 1rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #231913, #080605);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 18px 40px rgba(0, 0, 0, 0.3);
}

.driver-stack .driver {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(241, 220, 192, 0.22);
  background: radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.18), rgba(12, 10, 9, 0.95));
}

.driver + .driver {
  margin-top: 0.72rem;
}

.beam-line {
  position: absolute;
  left: 26%;
  width: 64%;
  height: 2px;
  background: linear-gradient(90deg, rgba(225, 170, 108, 0), rgba(225, 170, 108, 0.95), rgba(225, 170, 108, 0));
  filter: blur(0.1px);
  animation: beam-sweep 4.2s ease-in-out infinite;
}

.beam-line.one {
  top: 36%;
}

.beam-line.two {
  top: 50%;
  animation-delay: 0.6s;
}

.beam-line.three {
  top: 64%;
  animation-delay: 1.1s;
}

.beam-glow,
.sound-rings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.beam-glow::before,
.beam-glow::after,
.sound-rings::before,
.sound-rings::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.beam-glow::before {
  inset: 24% 8% 24% 34%;
  background: radial-gradient(circle, rgba(225, 170, 108, 0.18), transparent 68%);
}

.beam-glow::after {
  inset: 12% 2% 12% 42%;
  border: 1px solid rgba(225, 170, 108, 0.16);
}

.sound-rings::before {
  inset: 22% 27%;
  border: 1px solid rgba(138, 199, 188, 0.22);
  animation: pulse-ring 4s ease-out infinite;
}

.sound-rings::after {
  inset: 12% 18%;
  border: 1px solid rgba(225, 170, 108, 0.18);
  animation: pulse-ring 4s ease-out infinite 0.8s;
}

.visual-caption {
  position: absolute;
  left: 1.2rem;
  right: 1.2rem;
  bottom: 1.1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.scenario-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.scenario-item {
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  min-height: 180px;
}

.scenario-item strong {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 1.15rem;
}

.mood-story {
  position: relative;
  overflow: clip;
}

.mood-story::before {
  content: "";
  position: absolute;
  inset: 16% 0 10% 0;
  pointer-events: none;
}

.tone-bamboo::before {
  background:
    radial-gradient(circle at 72% 50%, rgba(84, 116, 82, 0.18), transparent 34%),
    linear-gradient(90deg, rgba(10, 8, 7, 0), rgba(10, 8, 7, 0.52));
}

.tone-gold::before {
  background:
    radial-gradient(circle at 28% 46%, rgba(225, 170, 108, 0.18), transparent 34%),
    linear-gradient(90deg, rgba(10, 8, 7, 0.52), rgba(10, 8, 7, 0));
}

.tone-everest::before {
  background:
    radial-gradient(circle at 74% 44%, rgba(158, 189, 214, 0.18), transparent 34%),
    linear-gradient(90deg, rgba(10, 8, 7, 0), rgba(10, 8, 7, 0.4));
}

.mood-story-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 4.25rem);
  align-items: center;
}

.mood-story-grid.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
}

.mood-story-grid.reverse .mood-story-copy {
  order: 2;
  justify-self: end;
}

.mood-story-grid.reverse .mood-story-media {
  order: 1;
}

.mood-story-copy {
  display: grid;
  gap: 1.15rem;
  max-width: 430px;
}

.story-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.mood-story-media {
  position: relative;
  min-height: clamp(340px, 40vw, 520px);
  border-radius: var(--radius-xl);
  overflow: clip;
  border: 1px solid var(--line);
  background: #060504;
  box-shadow: var(--shadow);
}

.mood-story-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 5, 4, 0.02), rgba(7, 5, 4, 0.18));
  pointer-events: none;
}

.tone-bamboo .mood-story-media::after {
  background:
    linear-gradient(90deg, rgba(7, 5, 4, 0.18), rgba(7, 5, 4, 0.02) 42%),
    linear-gradient(180deg, rgba(7, 5, 4, 0.02), rgba(7, 5, 4, 0.24));
}

.tone-gold .mood-story-media::after {
  background:
    linear-gradient(90deg, rgba(7, 5, 4, 0.04), rgba(7, 5, 4, 0.24) 70%),
    linear-gradient(180deg, rgba(255, 194, 130, 0.04), rgba(7, 5, 4, 0.2));
}

.tone-everest .mood-story-media::after {
  background:
    linear-gradient(90deg, rgba(7, 5, 4, 0.06), rgba(7, 5, 4, 0.2) 72%),
    linear-gradient(180deg, rgba(196, 222, 242, 0.06), rgba(7, 5, 4, 0.18));
}

.mood-story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.mood-story:hover .mood-story-media img,
.mood-story:focus-within .mood-story-media img {
  transform: scale(1.035);
}

.cta-band {
  padding-bottom: clamp(4.5rem, 8vw, 7rem);
}

.cta-layout {
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(183, 132, 85, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    var(--panel-strong);
}

.footer {
  padding: 1.6rem 0 2rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.detail-hero,
.article-hero {
  padding: clamp(3.3rem, 7vw, 5.3rem) 0 2rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
  gap: 2rem;
  align-items: center;
}

.breadcrumb,
.micro-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.breadcrumb a:hover,
.micro-nav a:hover {
  color: var(--text);
}

.detail-lead {
  display: grid;
  gap: 1.3rem;
}

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

.spec-table,
.faq-block,
.article-prose,
.answers-list {
  border-radius: var(--radius-xl);
  padding: 1.8rem;
}

.faq-block details {
  border-radius: var(--radius-md);
  padding: 1rem 1rem 1.05rem;
}

.faq-block details + details {
  margin-top: 0.8rem;
}

.faq-block summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-block details p {
  margin-bottom: 0;
}

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

.answers-list {
  display: grid;
  gap: 0.9rem;
}

.answers-list a {
  display: block;
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.answers-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.answers-list span {
  color: var(--muted);
  line-height: 1.7;
}

.article-shell {
  display: grid;
  gap: 1.7rem;
}

.article-prose h2 {
  margin-top: 0;
  font-size: 1.55rem;
}

.article-prose h3 {
  margin-bottom: 0.5rem;
  font-size: 1.16rem;
}

.tech-banner {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(183, 132, 85, 0.12), transparent 28%),
    rgba(10, 8, 7, 0.94);
}

.tech-banner-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
}

.tech-banner p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.tech-recent {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.85rem;
}

.tech-recent a {
  color: var(--accent-soft);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.reveal.delay-1 {
  transition-delay: 90ms;
}

.reveal.delay-2 {
  transition-delay: 180ms;
}

.reveal.delay-3 {
  transition-delay: 260ms;
}

@keyframes poster-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes beam-sweep {
  0%,
  100% {
    transform: scaleX(0.82);
    opacity: 0.35;
  }

  50% {
    transform: scaleX(1.06);
    opacity: 0.95;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.88);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

@keyframes tws-wave {
  0%,
  100% {
    opacity: 0.24;
    transform: scaleX(0.9);
  }

  50% {
    opacity: 1;
    transform: scaleX(1.08);
  }
}

@keyframes beam-flow {
  0% {
    stroke-dashoffset: 100;
    opacity: 0.38;
  }

  45% {
    opacity: 0.98;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 0.22;
  }
}

@keyframes fallback-beam-flow {
  0%,
  100% {
    opacity: 0.35;
    filter: saturate(0.9);
  }

  50% {
    opacity: 1;
    filter: saturate(1.2);
  }
}

@keyframes fallback-ring-pulse {
  0% {
    opacity: 0.62;
    transform: translate(-50%, -50%) scale(0.88);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes fallback-core-pulse {
  0%,
  100% {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(0.94);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@keyframes beam-echo {
  0%,
  100% {
    opacity: 0.12;
    stroke-width: 14;
  }

  50% {
    opacity: 0.36;
    stroke-width: 22;
  }
}

@keyframes haze-breathe {
  0%,
  100% {
    opacity: 0.22;
    transform: scale(0.96);
  }

  50% {
    opacity: 0.48;
    transform: scale(1.05);
  }
}

@keyframes speaker-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes target-pulse-svg {
  0% {
    opacity: 0.68;
    transform: scale(0.94);
  }

  100% {
    opacity: 0;
    transform: scale(1.18);
  }
}

@keyframes core-flicker {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.96);
  }

  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes target-pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.72;
  }

  100% {
    transform: scale(1.12);
    opacity: 0;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .beam-layout,
  .tws-layout,
  .hero-grand-shell,
  .product-story-grid,
  .product-story-grid.reverse,
  .tws-story-grid,
  .contact-shell,
  .mood-story-grid,
  .mood-story-grid.reverse,
  .cta-layout,
  .detail-grid,
  .section-heading,
  .tech-banner-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: unset;
  }

  .series-grid,
  .detail-columns,
  .answers-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .mood-story-grid.reverse .mood-story-copy,
  .mood-story-grid.reverse .mood-story-media,
  .product-story-grid.reverse .product-story-copy,
  .product-story-grid.reverse .product-story-media {
    order: initial;
  }

  .mood-story-copy,
  .product-story-copy,
  .tws-story-copy,
  .contact-intro {
    max-width: none;
  }

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

@media (max-width: 780px) {
  .nav-shell,
  .nav-links,
  .hero-meta,
  .tech-actions,
  .footer-inner {
    gap: 0.75rem;
  }

  .nav-shell {
    padding-block: 0.9rem;
  }

  .site-header {
    position: sticky;
  }

  .stats-row,
  .spec-grid {
    grid-template-columns: 1fr;
  }

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

  .beam-visual,
  .tws-visual,
  .mood-story-media,
  .product-story-media {
    min-height: 0;
  }

  .hero-grand {
    min-height: calc(100svh - 70px);
  }

  .hero-grand-media {
    object-position: 62% center;
  }

  .hero-grand-shell {
    width: min(calc(100% - 1.6rem), var(--site-width));
    padding: clamp(5rem, 18vw, 8.2rem) 0 clamp(2.2rem, 8vw, 3.1rem);
  }

  .hero-grand-copy {
    max-width: 100%;
    padding: 1.1rem 1rem 1.05rem;
  }

  .hero-grand-copy::before {
    inset: -0.35rem -0.3rem -0.4rem -0.35rem;
    border-radius: 22px;
    background:
      radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 34%),
      linear-gradient(180deg, rgba(7, 6, 5, 0.48) 0%, rgba(7, 6, 5, 0.32) 56%, rgba(7, 6, 5, 0.16) 100%);
    backdrop-filter: blur(3px);
  }

  .product-story-grid {
    gap: 1.35rem;
  }

  .product-story-media {
    aspect-ratio: 6 / 5;
  }

  .driver-stack {
    width: 66px;
    padding-inline: 0.7rem;
  }

  .beam-line {
    left: 32%;
    width: 56%;
  }

  .contact-intro {
    padding-right: 0;
  }
}

@media (max-width: 560px) {
  .nav-links {
    width: 100%;
  }

  .product-poster figcaption,
  .visual-caption,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-layout,
  .spec-table,
  .faq-block,
  .article-prose,
  .answers-list,
  .series-block,
  .detail-pane,
  .answer-card,
  .mood-story-media,
  .contact-shell {
    padding: 1.35rem;
  }

  .mood-story-media,
  .product-story-media {
    padding: 0;
    min-height: 0;
    aspect-ratio: 4 / 5;
  }

  .hero-grand {
    min-height: calc(100svh - 62px);
    align-items: end;
  }

  .hero-grand-media {
    object-position: 64% center;
  }

  .hero-grand-shell {
    width: min(calc(100% - 1.2rem), var(--site-width));
    padding: 5.4rem 0 1.35rem;
  }

  .hero-grand-copy {
    padding: 0.95rem 0.9rem 0.9rem;
  }

  .hero-grand-copy::before {
    inset: -0.25rem -0.2rem -0.25rem -0.2rem;
    border-radius: 20px;
  }

  .hero-title .hero-line + .hero-line {
    margin-top: 0.2em;
  }

  .lede {
    font-size: 1rem;
    line-height: 1.72;
  }

  .tws-story-visual {
    min-height: 290px;
    padding: 0.8rem;
  }

  .tws-stage {
    min-height: 258px;
  }

  .fallback-beam {
    width: 24%;
  }

  .tws-overlay-label,
  .tws-overlay-note {
    font-size: 0.8rem;
  }

  .carousel-dots,
  .map-dialog-actions,
  .contact-links {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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