/* Research page - cleaned modular stylesheet */

:root {
  --research-panel: linear-gradient(180deg, rgba(8, 20, 42, 0.78), rgba(3, 10, 22, 0.96));
  --research-border: rgba(171, 198, 255, 0.14);
  --research-text: #eef4ff;
  --research-muted: rgba(238, 244, 255, 0.72);
  --research-glow: 0 18px 42px rgba(2, 7, 18, 0.24), inset 0 1px 0 rgba(255,255,255,0.04);
  --metric-row-height: 110px;
  --metric-row-gap: 16px;
  --section-overlap: 0px;
}

.research-main { position: relative; }

body.research-body::before {
  background-image: none;
}

.research-section {
  position: relative;
  padding: 100px 0 110px;
  overflow: hidden;
}

.research-section + .research-section {
  margin-top: 0;
  padding-top: 92px;
}

.research-section + .research-section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 120px;
  pointer-events: none;
  background:
    radial-gradient(120% 88% at 50% 0%, rgba(64, 118, 202, 0.12) 0%, rgba(64, 118, 202, 0.05) 34%, rgba(64, 118, 202, 0) 72%),
    linear-gradient(180deg, rgba(3, 12, 24, 0.08) 0%, rgba(3, 12, 24, 0) 100%);
  filter: blur(22px);
  opacity: 0.86;
}

.section-heading {
  max-width: 980px;
  margin-bottom: 34px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading--centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading .section-kicker,
.section-heading--centered .section-kicker {
  justify-content: center;
}

.section-heading .section-intro,
.section-heading--centered .section-intro {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: rgba(238,244,255,0.78);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
  box-shadow: 0 0 12px rgba(139,226,255,0.68);
}

.section-title {
  margin: 20px 0 0;
  font-size: clamp(34px, 3.8vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.section-intro,
.output-note,
.research-hero__lead,
.research-cta__content p {
  margin-top: 18px;
  font-size: clamp(17px, 1.18vw, 20px);
  line-height: 1.68;
  color: var(--research-muted);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.62s ease, transform 0.62s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.principle-card,
.capability-card,
.business-compare-card,
.compare-radar-summary__item,
.scale-card,
.output-stat-card,
.paper-item,
.faq-item,
.founder-highlight,
.research-cta__panel,
.scale-rail {
  border: 1px solid var(--research-border);
  background: var(--research-panel);
  box-shadow: var(--research-glow);
}

/* hero */
.research-hero {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: transparent;
}

.research-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 26%, rgba(76,141,255,0.10), transparent 26%),
    radial-gradient(circle at 84% 22%, rgba(166,140,255,0.08), transparent 30%),
    linear-gradient(180deg, #031021 0%, #020914 100%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 66%, rgba(0,0,0,0.46) 84%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 66%, rgba(0,0,0,0.46) 84%, rgba(0,0,0,0) 100%);
}

.research-hero__bg,
.research-hero__glow,
.research-hero__particles {
  position: absolute;
  inset: 0;
}

.research-hero__bg {
  z-index: 1;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 66%, rgba(0,0,0,0.42) 84%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 66%, rgba(0,0,0,0.42) 84%, rgba(0,0,0,0) 100%);
}

.research-hero__glow {
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}

.research-hero__glow--left {
  inset: 10% auto auto -5%;
  width: min(34vw, 540px);
  height: min(34vw, 540px);
  background: radial-gradient(circle, rgba(76,141,255,0.18), rgba(76,141,255,0.02) 58%, transparent 74%);
}

.research-hero__glow--right {
  inset: auto -10% 8% auto;
  width: min(34vw, 520px);
  height: min(34vw, 520px);
  background: radial-gradient(circle, rgba(139,226,255,0.16), rgba(139,226,255,0.03) 56%, transparent 74%);
}

.research-hero__inner {
  position: relative;
  z-index: 2;
  isolation: isolate;
  display: block;
  width: 100%;
  min-height: calc(100vh - 80px);
}

.research-hero__content {
  position: relative;
  z-index: 6;
  max-width: min(860px, 54vw);
  padding-top: 186px;
  padding-left: clamp(88px, 6.2vw, 132px);
  text-align: left;
  justify-self: start;
}

.research-hero__content::before {
  display: none;
  content: "";
  position: absolute;
  left: calc(-16% - min(10vw, 120px) - clamp(44px, 3vw, 68px));
  top: 62%;
  width: min(74vw, 1280px);
  height: min(54vw, 920px);
  transform: translateY(-50%);
  background-image: linear-gradient(135deg, rgba(3,9,20,.025), rgba(3,9,20,.004)), url("hero_left_hand_bg.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: left 66%;
  opacity: 0.46;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  z-index: 3;
  mask-image: radial-gradient(circle at 32% 64%, rgba(0,0,0,1) 0%, rgba(0,0,0,.96) 62%, rgba(0,0,0,.26) 86%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at 32% 64%, rgba(0,0,0,1) 0%, rgba(0,0,0,.96) 62%, rgba(0,0,0,.26) 86%, transparent 100%);
}

.research-hero__content > * {
  position: relative;
  z-index: 1;
}

.research-hero__kicker { margin-bottom: 28px; }

.research-hero__title {
  margin: 0;
  max-width: none;
  font-size: clamp(44px, 4.45vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.05em;
  text-align: left;
}

html.lang-zh .research-hero__content {
  max-width: min(980px, 60vw);
}

html.lang-zh .research-hero__title {
  max-width: none;
  white-space: nowrap;
  text-wrap: nowrap;
}

.research-hero__lead { max-width: 780px; }

.hero-actions,
.research-hero__actions,
.research-cta__actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

.research-hero__actions { margin-top: 34px; }

.research-hero__visual {
  position: absolute;
  inset: -1% -4% 0 0;
  min-height: 0;
  display: block !important;
  opacity: 1;
  pointer-events: none;
  overflow: hidden;
  z-index: 4;
}

.research-hero__visual::before {
  content: "";
  position: absolute;
  inset: -10% 50% -10% -20%;
  background: linear-gradient(90deg, rgba(2,9,20,1) 0%, rgba(2,9,20,.98) 20%, rgba(2,9,20,.86) 34%, rgba(2,9,20,.58) 50%, rgba(2,9,20,.24) 68%, rgba(2,9,20,.08) 84%, transparent 100%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 1;
}

.research-hero__visual::after {
  content: "";
  position: absolute;
  inset: -12% 48% -12% -22%;
  background: radial-gradient(ellipse at 14% 50%, rgba(6,18,38,.88) 0%, rgba(6,18,38,.72) 22%, rgba(6,18,38,.34) 52%, rgba(6,18,38,.10) 72%, transparent 100%);
  filter: blur(84px);
  pointer-events: none;
  z-index: 2;
}

.research-hero__visual-frame {
  position: absolute;
  inset: -8% -14% -8% 12%;
  width: 104%;
  height: 116%;
  border: 0;
  background: transparent;
  display: block;
  opacity: 1;
  pointer-events: none;
  transform: translateX(60px);
  mix-blend-mode: screen;
  mask-image: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.02) 8%, rgba(0,0,0,.08) 16%, rgba(0,0,0,.20) 26%, rgba(0,0,0,.42) 36%, rgba(0,0,0,.68) 46%, rgba(0,0,0,.86) 56%, rgba(0,0,0,.96) 64%, rgba(0,0,0,1) 72%, rgba(0,0,0,1) 100%);
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.02) 8%, rgba(0,0,0,.08) 16%, rgba(0,0,0,.20) 26%, rgba(0,0,0,.42) 36%, rgba(0,0,0,.68) 46%, rgba(0,0,0,.86) 56%, rgba(0,0,0,.96) 64%, rgba(0,0,0,1) 72%, rgba(0,0,0,1) 100%);
}

.research-hero__visual[data-reveal] {
  transition-duration: 0.7s;
}

.hero-molecule {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: calc(var(--size) * 0.7);
  opacity: var(--opacity);
  filter: drop-shadow(0 0 14px rgba(139,226,255,0.14));
  animation: heroMoleculeFloat var(--duration) ease-in-out var(--delay) infinite alternate;
}

.hero-molecule__bond {
  position: absolute;
  left: 0;
  top: 0;
  height: 1.4px;
  transform-origin: 0 0;
  background: linear-gradient(90deg, rgba(171,198,255,0.12), rgba(171,198,255,0.38), rgba(171,198,255,0.12));
}

.hero-molecule__node {
  position: absolute;
  width: 7px;
  height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,248,255,0.92), rgba(139,226,255,0.34) 58%, rgba(139,226,255,0) 100%);
  box-shadow: 0 0 12px rgba(139,226,255,0.2);
}

.hero-portal {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  pointer-events: none;
  isolation: isolate;
  transform: scale(0.95);
  transform-origin: center center;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 44%, rgba(0,0,0,.96) 58%, rgba(0,0,0,.74) 74%, rgba(0,0,0,.32) 86%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 44%, rgba(0,0,0,.96) 58%, rgba(0,0,0,.74) 74%, rgba(0,0,0,.32) 86%, transparent 100%);
}

.hero-portal__drift,
.hero-portal__grid,
.hero-portal__svg {
  position: absolute;
  inset: 0;
}

.hero-portal__drift { animation: heroPortalDrift 8s ease-in-out infinite; }

.hero-portal__grid {
  opacity: 0.05;
  background-image: radial-gradient(rgba(122,224,255,0.6) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-portal__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.research-particle {
  position: absolute;
  left: var(--left);
  top: var(--top);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,1), rgba(139,226,255,0.84) 54%, rgba(139,226,255,0) 100%);
  box-shadow: 0 0 12px rgba(139,226,255,0.52);
  opacity: 0;
  animation: researchParticleFloat var(--duration) ease-in-out var(--delay) infinite alternate;
}

/* principles */
.research-principles {
  margin-top: -24px;
  padding-top: 36px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, rgba(2,9,20,0.92), rgba(3,12,24,0.96));
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.principle-card {
  position: relative;
  min-height: 250px;
  padding: 0;
  border-radius: 28px;
  overflow: hidden;
  background: #020814;
  transition: transform 0.26s ease, border-color 0.26s ease, box-shadow 0.26s ease;
}

.principle-card::before,
.principle-card::after {
  content: "";
  position: absolute;
  inset: 0;
}

.principle-card::before {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transform: scale(1.02);
}

.principle-card::after {
  background: linear-gradient(180deg, rgba(2,8,20,0.18) 0%, rgba(2,8,20,0.38) 42%, rgba(1,5,14,0.62) 100%);
  transition: background 0.28s ease;
}

.principle-card--visual-1::before { background-image: url("理想晶体真实世界.png"); }
.principle-card--visual-2::before { background-image: url("ChatGPT Image Apr 15, 2026 at 10_50_11 PM.png"); }
.principle-card--visual-3::before { background-image: url("ChatGPT Image Apr 15, 2026 at 04_09_06 PM.png"); }

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

.principle-card h3 {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: calc(100% - 44px);
  margin: 0;
  transform: translateX(-50%);
  text-align: center;
  font-size: clamp(25px, 1.9vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.04em;
  transition: opacity 0.22s ease;
}

.principle-highlight {
  display: inline-block;
  font-size: 1.18em;
  font-weight: 820;
  background: linear-gradient(90deg, #ffffff 0%, #dff6ff 26%, #9fe9ff 62%, #b8b4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.principle-card p {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(100% - 54px);
  margin: 0;
  transform: translate(-50%, -50%) scale(0.985);
  text-align: left;
  font-size: 18px;
  line-height: 1.74;
  color: rgba(238,244,255,0.9);
  opacity: 0;
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.principle-card:hover,
.principle-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(139,226,255,0.34);
  box-shadow: 0 24px 54px rgba(2,7,18,0.32), 0 0 28px rgba(139,226,255,0.08), inset 0 1px 0 rgba(255,255,255,0.05);
}

.principle-card:hover::after,
.principle-card:focus-within::after { background: rgba(1, 6, 16, 0.96); }
.principle-card:hover h3,
.principle-card:focus-within h3 { opacity: 0; }
.principle-card:hover p,
.principle-card:focus-within p {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* capability */
.capability-section {
  position: relative;
  margin-top: -70px;
  padding-top: 124px;
  padding-bottom: 84px;
  background: linear-gradient(180deg, rgba(2,11,24,0.98) 0%, rgba(2,10,23,0.985) 48%, #020a17 100%);
}

.capability-section::before,
.capability-section::after,
.metrics-section::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  pointer-events: none;
}

.capability-section::before {
  top: -160px;
  height: 300px;
  background: radial-gradient(72% 140% at 50% 100%, rgba(76,141,255,0.22) 0%, rgba(76,141,255,0.10) 38%, rgba(76,141,255,0.028) 58%, rgba(76,141,255,0) 78%);
  filter: blur(58px);
  opacity: 0.72;
}

.capability-section::after {
  bottom: -156px;
  height: 296px;
  background: radial-gradient(72% 140% at 50% 0%, rgba(76,141,255,0.19) 0%, rgba(76,141,255,0.085) 36%, rgba(76,141,255,0.02) 56%, rgba(76,141,255,0) 76%);
  filter: blur(58px);
  opacity: 0.68;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 16px;
  align-items: stretch;
}

.capability-card {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
}

.capability-card--primary {
  min-height: 472px;
  border: none;
  box-shadow: none;
  background: transparent;
}

.capability-card__animation-wrap {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
}

.capability-card__animation-wrap::after {
  display: none;
}

.capability-card__animation-frame {
  position: absolute;
  inset: -8%;
  width: 116%;
  height: 116%;
  border: 0;
  background: transparent;
  opacity: 1;
  filter: none;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 72%, rgba(0,0,0,.99) 84%, rgba(0,0,0,.82) 94%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 72%, rgba(0,0,0,.99) 84%, rgba(0,0,0,.82) 94%, rgba(0,0,0,0) 100%);
}

.capability-topline {
  margin-top: 24px;
}

.capability-stack {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-card--compact {
  min-height: 90px;
  display: flex;
  align-items: center;
  padding: 16px 22px;
  transition: border-color 0.34s ease, box-shadow 0.34s ease, background 0.34s ease, transform 0.34s ease;
}

.capability-card--compact.is-marquee-active {
  border-color: rgba(139,226,255,0.34);
  background: linear-gradient(180deg, rgba(12,28,56,0.92), rgba(4,10,22,0.98));
  box-shadow: 0 20px 42px rgba(2,7,18,0.26), 0 0 20px rgba(139,226,255,0.10), inset 0 1px 0 rgba(255,255,255,0.05);
  transform: translateY(-1px);
}

.capability-card__detail-copy h3 {
  margin: 0;
  font-size: clamp(22px, 1.7vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.capability-card__detail-copy p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.58;
  color: var(--research-muted);
}

.capability-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 10px;
}

.capability-card__tag {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(171,198,255,0.14);
  background: rgba(255,255,255,0.03);
  font-size: 13px;
}

/* metrics */
.metrics-section {
  position: relative;
  margin-top: -76px;
  padding-top: 132px;
  background: linear-gradient(180deg, rgba(2,10,22,0.985) 0%, rgba(3,14,29,0.98) 42%, #031021 100%);
}

.metrics-section::before {
  top: -164px;
  height: 300px;
  background: radial-gradient(74% 140% at 50% 100%, rgba(102,162,255,0.18) 0%, rgba(102,162,255,0.08) 36%, rgba(102,162,255,0.018) 56%, rgba(102,162,255,0) 76%);
  filter: blur(58px);
  opacity: 0.64;
}

.metrics-topline {
  margin: 26px 0 18px;
}

.compare-radar-layout {
  display: grid;
  grid-template-columns: 420px minmax(520px, 1fr) 220px;
  gap: 22px;
  align-items: start;
}

.compare-side-cards,
.compare-radar-summary--aligned {
  display: grid;
  grid-template-rows: repeat(4, var(--metric-row-height));
  gap: var(--metric-row-gap);
}

.business-compare-card,
.compare-radar-summary__item { border-radius: 28px; }

.business-compare-card {
  padding: 18px 22px 16px;
  min-height: var(--metric-row-height);
}

.business-compare-card__meta,
.compare-radar-summary__label {
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: rgba(238,244,255,0.56);
}

.business-compare-card__track {
  margin-top: 14px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}

.business-compare-card__track span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(166,140,255,0.82), rgba(139,226,255,0.95));
  box-shadow: 0 0 16px rgba(139,226,255,0.14);
}

.business-compare-card__values {
  margin-top: 16px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}

.business-compare-card__values strong {
  font-size: clamp(13px, 1.25vw, 16px);
  letter-spacing: -0.03em;
}

.business-compare-card__values span { color: rgba(139,226,255,0.84); }

.compare-radar-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: none;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  min-height: 0;
  height: calc(var(--metric-row-height) * 4 + var(--metric-row-gap) * 3);
  padding: 0;
  overflow: visible;
}

.compare-radar-shell::before {
  display: none;
}

.compare-radar-topline {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
}

.compare-radar-topline__line {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(139,226,255,0), rgba(139,226,255,0.26), rgba(139,226,255,0));
}

.compare-radar-topline__pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 34px;
  border-radius: 999px;
  border: 1px solid rgba(171,198,255,0.16);
  background: rgba(255,255,255,0.03);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.compare-radar-shell__body {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex: 1 1 auto;
  min-height: 0;
  pointer-events: none;
}

.compare-radar-chart-wrap {
  width: 100%;
  max-width: none;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.compare-radar-chart {
  width: min(100%, 960px);
  height: auto;
  transform: translateY(-34px) scale(1.18);
  transform-origin: center top;
  pointer-events: none;
}

.compare-radar-chart__grid polygon,
.compare-radar-chart__grid line {
  fill: none;
  stroke: rgba(118, 158, 214, 0.34);
  stroke-width: 2;
}

.compare-radar-chart__grid polygon:first-child { stroke: rgba(158, 208, 255, 0.46); }

.compare-radar-chart__area {
  stroke-width: 4;
  transition: opacity 0.22s ease, stroke-width 0.22s ease, filter 0.22s ease;
}

.compare-radar-chart__area--wood { fill: rgba(139,226,255,0.12); stroke: #8be2ff; }
.compare-radar-chart__area--lead { fill: rgba(166,140,255,0.09); stroke: #9f8bff; }
.compare-radar-chart__area--avg { fill: rgba(120,153,206,0.05); stroke: #5f82bb; }

.compare-radar-chart__point {
  fill: #dff8ff;
  stroke: #8be2ff;
  stroke-width: 4;
  filter: drop-shadow(0 0 8px rgba(139,226,255,0.42));
  transition: filter 0.22s ease;
}

.compare-radar-chart__labels text {
  fill: rgba(238,244,255,0.94);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: fill 0.22s ease;
}

.compare-radar-side { display: grid; gap: 14px; }

.compare-radar-summary__item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  min-height: var(--metric-row-height);
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.compare-radar-summary__item strong {
  font-size: clamp(13px, 1.15vw, 15px);
  letter-spacing: -0.03em;
}

.compare-radar-summary__item:hover,
.compare-radar-summary__item:focus,
.compare-radar-summary__item.is-active {
  border-color: rgba(139,226,255,0.34);
  background: linear-gradient(180deg, rgba(12,28,56,0.88), rgba(4,10,22,0.98));
  box-shadow: 0 22px 48px rgba(2,7,18,0.28), 0 0 18px rgba(139,226,255,0.08), inset 0 1px 0 rgba(255,255,255,0.05);
}

.compare-radar-legend {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin-top: -44px;
  padding-top: 0;
  padding-bottom: 4px;
}

.compare-radar-legend__item {
  appearance: none;
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 32px;
  padding: 0;
  color: rgba(238,244,255,0.78);
  cursor: pointer;
  position: relative;
  z-index: 3;
  transition: opacity 0.22s ease, color 0.22s ease, transform 0.22s ease, text-shadow 0.22s ease;
}

.compare-radar-legend__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  background: currentColor;
}

.compare-radar-legend__item--wood { color: #8be2ff; }
.compare-radar-legend__item--lead { color: #9f8bff; }
.compare-radar-legend__item--avg { color: #5f82bb; }

.compare-radar-legend__item:hover,
.compare-radar-legend__item:focus,
.compare-radar-legend__item.is-series-active {
  color: #eef7ff;
  text-shadow: 0 0 16px rgba(139,226,255,0.28);
}

.compare-radar-layout.has-series-focus .compare-radar-chart__area,
.compare-radar-layout.has-series-focus .compare-radar-legend__item { opacity: 0.22; }

.compare-radar-layout.has-series-focus .compare-radar-chart__area.is-series-active,
.compare-radar-layout.has-series-focus .compare-radar-legend__item.is-series-active { opacity: 1; }

.compare-radar-layout.has-series-focus .compare-radar-chart__area.is-series-active {
  stroke-width: 5.5;
  filter: drop-shadow(0 0 10px rgba(139,226,255,0.3));
}

.compare-radar-chart__point.is-active { filter: drop-shadow(0 0 14px rgba(139,226,255,0.62)); }
.compare-radar-chart__labels text.is-active { fill: #f7fbff; }

/* fusion */
.fusion-section {
  background: radial-gradient(circle at 50% 30%, rgba(76,141,255,0.08), transparent 28%), linear-gradient(180deg, #031021 0%, #020814 100%);
}

.fusion-heading {
  max-width: min(1220px, 100%);
  margin: 0 auto;
  text-align: center;
}

.fusion-heading .section-kicker,
.fusion-heading .section-title,
.fusion-heading .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.fusion-heading .section-kicker {
  justify-content: center;
}

.fusion-heading .section-title {
  max-width: 1180px;
}

.fusion-heading .section-intro {
  max-width: 1120px;
}

.fusion-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(600px, 0.82fr) minmax(760px, 1.08fr);
  gap: clamp(24px, 2.4vw, 40px);
  align-items: center;
  max-width: 1780px;
  margin: -18px auto 0;
  transform: translate(272px, -126px);
}

.fusion-flow__connectors {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  z-index: 2;
  opacity: 1;
}

.fusion-flow__left-cluster,
.fusion-right-panel,
.fusion-orbit {
  position: relative;
  z-index: 7;
}

.fusion-flow__left-cluster {
  display: grid;
  grid-template-columns: minmax(260px, 318px) minmax(220px, 256px);
  gap: 92px;
  align-items: center;
  justify-self: end;
  width: min(100%, 760px);
  transform: translateX(100px);
}

.fusion-right-panel {
  display: grid;
  grid-template-columns: minmax(420px, 504px) minmax(520px, 660px);
  gap: clamp(22px, 2.4vw, 34px);
  align-items: center;
  justify-self: start;
  width: min(100%, 1160px);
}

.fusion-orbit {
  position: relative;
  width: min(100%, 504px);
  aspect-ratio: 1;
  margin: 0;
  pointer-events: none;
  justify-self: center;
  transform: translate(-40px, -2%);
}

.fusion-orbit__portal {
  position: absolute;
  inset: 0;
  transform: scale(1.02);
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 52%, rgba(0,0,0,.94) 70%, rgba(0,0,0,.46) 84%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 52%, rgba(0,0,0,.94) 70%, rgba(0,0,0,.46) 84%, transparent 100%);
}

.fusion-orbit .hero-portal__grid {
  opacity: 0.028;
  background-size: 34px 34px;
}

.fusion-orbit__core-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: clamp(20px, 1.6vw, 28px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #f7fcff;
  white-space: nowrap;
  background: radial-gradient(circle at 50% 50%, rgba(94, 226, 255, 0.18), rgba(94, 226, 255, 0.03) 60%, transparent 78%);
  text-shadow: 0 0 14px rgba(166, 236, 255, 0.38), 0 0 28px rgba(96, 210, 255, 0.24);
  box-shadow: 0 0 42px rgba(94, 226, 255, 0.12);
  pointer-events: none;
}

.fusion-orbit__info-card {
  position: relative;
  display: block;
  width: min(100%, 660px);
  padding: 24px 28px;
  border-radius: 28px;
  border: 1px solid rgba(171,198,255,0.16);
  background: linear-gradient(180deg, rgba(8, 20, 42, 0.86), rgba(3, 10, 22, 0.96));
  box-shadow: 0 20px 46px rgba(2, 7, 18, 0.28), inset 0 1px 0 rgba(255,255,255,0.04), 0 0 0 1px rgba(96, 160, 255, 0.03);
  overflow: hidden;
  transform: translateX(-300px);
}

.fusion-orbit__info-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 16% 18%, rgba(78, 146, 255, 0.14), transparent 42%), radial-gradient(circle at 82% 88%, rgba(126, 216, 255, 0.08), transparent 30%);
  pointer-events: none;
}

.fusion-orbit__info-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(16px, 1.18vw, 22px);
  line-height: 1.18;
  color: rgba(238,244,255,0.94);
}

.fusion-orbit__bullet-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fusion-orbit__bullet-list li {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-size: clamp(16px, 1.18vw, 22px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: rgba(238,244,255,0.94);
  white-space: nowrap;
}

.fusion-orbit__bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: rgba(139,226,255,0.92);
  box-shadow: 0 0 8px rgba(139,226,255,0.4);
}

.fusion-flow__stack {
  display: grid;
  gap: 36px;
}

.fusion-flow__stack--left {
  justify-self: stretch;
  width: 100%;
}

.fusion-flow__stack--right {
  justify-self: start;
  width: min(100%, 332px);
  gap: 28px;
  transform: translateX(-84px);
}

.fusion-flow__card {
  position: relative;
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 84px;
  padding: 16px 28px;
  border-radius: 28px;
  border: 1px solid rgba(171,198,255,0.16);
  background: linear-gradient(180deg, rgba(8, 20, 42, 0.74), rgba(3, 10, 22, 0.96));
  box-shadow: 0 18px 42px rgba(2, 7, 18, 0.22), inset 0 1px 0 rgba(255,255,255,0.04);
  text-align: left;
  overflow: hidden;
}

.fusion-flow__card::selection {
  background: rgba(139,226,255,0.22);
}

.fusion-flow__card span {
  display: block;
  font-size: clamp(16px, 1.18vw, 22px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.fusion-flow__card::before,
.fusion-flow__card::after {
  pointer-events: none;
}

.fusion-flow__card--left,
.fusion-flow__card--right,
.fusion-flow__card--task {
  min-height: 92px;
}

.fusion-flow__card--task {
  align-self: center;
  justify-self: start;
  transform: translateX(0);
}

.fusion-flow__card--task::before,
.fusion-flow__card--task::after {
  content: none;
}

.fusion-flow__connectors .connector-base,
.fusion-flow__connectors .connector-glow,
.fusion-flow__connectors .connector-flow {
  display: none;
}

.fusion-flow__connectors .connector-particle-cluster {
  opacity: 0.96;
}

.fusion-flow__connectors .connector-particle-core {
  fill: rgba(247, 252, 255, 0.98);
}


.fusion-flow__connectors .connector-particle-dot {
  fill: rgba(160, 224, 255, 0.88);
}

.fusion-flow__connectors .connector-particle-halo {
  fill: rgba(160, 224, 255, 0.28);
  filter: url(#fusion-comet-blur);
}

@keyframes fusionConnectorFlow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -298; }
}

@keyframes fusionTaskPulse {
  0% {
    left: -22px;
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  72% {
    opacity: 1;
  }
  100% {
    left: calc(100% - 20px);
    opacity: 0;
  }
}

@media (max-width: 1440px) {
  .fusion-flow {
    grid-template-columns: minmax(520px, 1fr) minmax(680px, 1fr);
    transform: translate(180px, -96px);
  }

  .fusion-right-panel {
    grid-template-columns: minmax(360px, 440px) minmax(420px, 560px);
    gap: 20px;
    width: min(100%, 980px);
  }

  .fusion-flow__left-cluster {
    gap: 64px;
    width: min(100%, 680px);
    transform: translateX(40px);
  }
}

@media (max-width: 1180px) {
  .fusion-flow {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 880px;
    margin-top: 0;
    transform: none;
  }

  .fusion-flow__left-cluster {
    grid-template-columns: 1fr;
    gap: 24px;
    width: 100%;
    justify-self: stretch;
    transform: none;
  }

  .fusion-right-panel {
    order: -1;
    grid-template-columns: 1fr;
    width: 100%;
    justify-self: center;
  }

  .fusion-flow__stack--left,
  .fusion-flow__stack--right {
    justify-self: stretch;
    width: 100%;
  }

  .fusion-orbit {
    width: min(100%, 460px);
    margin: 0 auto 6px;
    transform: translateX(-20px);
  }

  .fusion-orbit__info-card {
    width: min(100%, 680px);
    margin: 0 auto;
    transform: translateX(-180px);
  }
}

@media (max-width: 720px) {
  .fusion-flow {
    margin-top: 18px;
  }

  .fusion-orbit {
    width: min(100%, 360px);
    transform: none;
  }

  .fusion-orbit__info-card {
    padding: 20px 18px;
    border-radius: 24px;
    transform: none;
  }

  .fusion-orbit__bullet-list {
    gap: 12px;
  }

  .fusion-orbit__bullet-list li {
    font-size: clamp(14px, 3.1vw, 18px);
    white-space: nowrap;
  }

  .fusion-orbit__core-label {
    font-size: clamp(18px, 5vw, 24px);
    min-width: 150px;
    padding: 12px 18px;
  }

  .fusion-flow__card {
    min-height: 72px;
    border-radius: 24px;
    padding: 14px 18px;
  }

  .fusion-flow__card--task {
    transform: none;
  }

  .fusion-flow__card span {
    font-size: clamp(15px, 4.4vw, 22px);
  }
}

/* scale */
.scale-section { background: linear-gradient(180deg, #020914 0%, #031021 100%); }

html.lang-zh .scale-section .section-title span[data-lang="zh"] {
  display: inline-block;
  white-space: nowrap;
}

.scale-rail {
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 8px 0 0;
}

.scale-rail__axis {
  --scale-progress: 0%;
  position: relative;
  padding-top: 8px;
}

.scale-rail__labels {
  position: relative;
  height: 34px;
  margin-bottom: 20px;
}

.scale-rail__label {
  position: absolute;
  top: 0;
  left: var(--position);
  transform: translateX(-50%);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(238,244,255,0.54);
  white-space: nowrap;
}

.scale-rail__label--start {
  transform: translateX(0);
  text-align: left;
}

.scale-rail__label--end {
  transform: translateX(-100%);
  text-align: right;
}

.scale-rail__track {
  position: relative;
  height: 54px;
}

.scale-rail__line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 8px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(8, 68, 90, 0.92), rgba(18, 115, 140, 0.98));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 0 18px rgba(56, 195, 226, 0.18);
}

.scale-rail__thumb {
  position: absolute;
  left: var(--scale-progress);
  top: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  box-shadow: none;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: left 0.44s cubic-bezier(.22,.8,.2,1), transform 0.2s ease;
  z-index: 2;
}

.scale-rail__thumb::before,
.scale-rail__thumb::after,
.scale-rail__thumb-icon,
.scale-rail__thumb-icon::before {
  display: none;
  content: none;
}

.scale-rail__thumb:hover,
.scale-rail__thumb:focus-visible {
  outline: none;
}

.scale-rail__thumb.is-dragging {
  cursor: grabbing;
  transition: none;
}

.scale-rail__thumb-core {
  position: relative;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, rgba(96, 214, 232, 0.96), rgba(16, 110, 140, 0.98) 58%, rgba(4, 52, 74, 1) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 0 0 4px rgba(24, 104, 132, 0.32), 0 0 20px rgba(64, 204, 236, 0.22);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, opacity 0.22s ease;
}

.scale-rail__thumb-core::before,
.scale-rail__thumb-core::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.scale-rail__thumb-core::before {
  width: 12px;
  height: 12px;
  background: rgba(232, 251, 255, 0.96);
  box-shadow: 0 0 12px rgba(123, 232, 255, 0.5);
}

.scale-rail__thumb-core::after {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(121, 232, 255, 0.18);
}

.scale-rail__thumb:hover .scale-rail__thumb-core,
.scale-rail__thumb:focus-visible .scale-rail__thumb-core,
.scale-rail__thumb.is-dragging .scale-rail__thumb-core,
.scale-rail[data-scale-active="true"] .scale-rail__thumb-core {
  transform: scale(1.08);
  background: radial-gradient(circle at 34% 32%, rgba(138, 236, 250, 1), rgba(28, 145, 176, 1) 56%, rgba(6, 66, 92, 1) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.24), 0 0 0 5px rgba(35, 128, 163, 0.42), 0 0 24px rgba(88, 222, 255, 0.36);
}

.scale-rail__cards {
  --scale-card-width: 18.75%;
  position: relative;
  min-height: 160px;
  margin-top: 28px;
}

.scale-card {
  position: absolute;
  top: 0;
  width: var(--scale-card-width);
  min-height: 138px;
  padding: 18px 20px;
  border-radius: 24px;
  opacity: 0.2;
  pointer-events: none;
  transform: translateY(0) scale(0.98);
  transition: opacity 0.32s ease, transform 0.32s ease, border-color 0.26s ease, box-shadow 0.26s ease, background 0.26s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.scale-card[data-step="0"] { left: 0; }
.scale-card[data-step="1"] { left: 27.0833%; }
.scale-card[data-step="2"] { left: 54.1667%; }
.scale-card[data-step="3"] { left: 81.25%; }

.scale-card.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.scale-card h3,
.paper-item h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.18;
  text-align: center;
}

.scale-card p,
.paper-item p {
  margin: 12px 0 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.72;
  color: var(--research-muted);
}

@media (max-width: 1180px) {
  .scale-rail__cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    min-height: 0;
  }

  .scale-card {
    position: relative;
    left: auto !important;
    width: auto;
    min-height: 180px;
    display: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .scale-card.is-visible {
    display: block;
  }
}

/* output / founder / faq / cta */
.output-section {
  background: radial-gradient(circle at 82% 28%, rgba(139,226,255,0.08), transparent 22%), linear-gradient(180deg, #031021 0%, #020914 100%);
}

.output-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.output-stat-card {
  min-height: 178px;
  padding: 24px 22px 20px;
  border-radius: 28px;
}

.output-stat-card__value {
  font-size: clamp(42px, 3.8vw, 64px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.output-stat-card__label {
  margin-top: 16px;
  font-size: 16px;
  color: var(--research-muted);
}


.output-stat-card--placeholder {
  justify-content: center;
}

.output-stat-card--placeholder .output-stat-card__value {
  font-size: clamp(42px, 4.4vw, 72px);
  line-height: 1;
}

.output-stat-card--placeholder .output-stat-card__label {
  margin-top: 14px;
}

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

.paper-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 104px;
  padding: 22px;
  border-radius: 26px;
}

.paper-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.paper-status--review {
  color: #eff7ff;
  border: 1px solid rgba(166,140,255,0.28);
  background: rgba(166,140,255,0.12);
}

.paper-status--published {
  color: #08111f;
  border: 1px solid rgba(139,226,255,0.28);
  background: linear-gradient(135deg, rgba(139,226,255,0.92), rgba(142,184,255,0.74));
}

.founder-section {
  padding-top: 36px;
  background: linear-gradient(180deg, rgba(2,9,20,0), #031021 100%);
}

.founder-highlight {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  min-height: 220px;
  padding: 28px 30px;
  border-radius: 34px;
  overflow: hidden;
}

.founder-highlight::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 12% 50%, rgba(139,226,255,0.16), transparent 30%), linear-gradient(90deg, rgba(166,140,255,0.08), transparent 32%, transparent 70%, rgba(139,226,255,0.08));
  pointer-events: none;
}

.founder-highlight__body { position: relative; z-index: 1; }

.founder-highlight__meta {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  min-height: 112px;
  padding: 18px;
  border-radius: 50%;
  border: 1px solid rgba(171,198,255,0.18);
  background: rgba(255,255,255,0.03);
  text-align: left;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(238,244,255,0.62);
}

.founder-highlight__body h2 {
  margin: 0;
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.4;
  letter-spacing: -0.03em;
}

.founder-highlight__body p {
  margin: 16px 0 0;
  font-size: 16px;
  color: var(--research-muted);
}

.faq-section { background: linear-gradient(180deg, #031021 0%, #020914 100%); }
.faq-list { display: grid; gap: 14px; }

.faq-item {
  border-radius: 26px;
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.faq-trigger__question {
  font-size: 20px;
  font-weight: 620;
  line-height: 1.36;
}

.faq-trigger__icon {
  position: relative;
  width: 16px;
  height: 16px;
}

.faq-trigger__icon::before,
.faq-trigger__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 1.6px;
  border-radius: 999px;
  background: #eef4ff;
  transform: translate(-50%, -50%);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.faq-trigger__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.is-open .faq-trigger__icon::after { opacity: 0; }

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s ease;
}

.faq-item.is-open .faq-panel { grid-template-rows: 1fr; }

.faq-panel__inner {
  overflow: hidden;
  padding: 0 24px 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--research-muted);
}

.faq-item.is-open .faq-panel__inner { padding-bottom: 22px; }

.research-cta {
  padding-top: 54px;
  padding-bottom: 96px;
  background: linear-gradient(180deg, #020914 0%, #000 100%);
}

.research-cta__panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 284px;
  width: calc(100vw - 40px);
  margin-left: calc(50% - 50vw + 20px);
  margin-right: calc(50% - 50vw + 20px);
  border-radius: 28px;
  padding: 0;
  overflow: hidden;
  border: none;
  background-image:
    linear-gradient(180deg, rgba(2,7,18,.28) 0%, rgba(2,7,18,.44) 100%),
    url("research-cta-molecule-bg.png");
  background-size: cover;
  background-position: center center;
  box-shadow: none;
  isolation: isolate;
}

.research-cta__bg,
.research-cta__beam,
.research-cta__particles {
  position: absolute;
  inset: 0;
}

.research-cta__bg {
  z-index: 0;
  background:
    radial-gradient(circle at 50% 54%, rgba(0,0,0,.12), transparent 24%),
    linear-gradient(90deg, rgba(2,8,20,.30) 0%, rgba(2,8,20,.08) 24%, rgba(2,8,20,.08) 76%, rgba(2,8,20,.30) 100%);
}

.research-cta__beam,
.research-cta__particles {
  display: none;
}

.research-cta__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: min(100%, 1400px);
  padding: 44px 40px 48px;
  text-align: center;
}

.research-cta__content h2 {
  margin: 0 auto;
  max-width: 1280px;
  font-size: clamp(34px, 3.85vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: #f7fbff;
  text-shadow: 0 10px 34px rgba(0,0,0,.36);
}

.research-cta__content p {
  margin-top: 20px;
  max-width: 980px;
  text-shadow: 0 0 14px rgba(0,0,0,.24);
}

.research-cta .section-kicker {
  margin-bottom: 0;
  background: rgba(4,12,28,.42);
  border-color: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
}

.research-cta__actions {
  justify-content: center;
  margin-top: 32px;
}

/* motion */
@keyframes researchBreath {
  0%, 100% { transform: translate(-50%, -50%) scale(0.94); opacity: 0.58; }
  50% { transform: translate(-50%, -50%) scale(1.06); opacity: 1; }
}

@keyframes heroMoleculeFloat {
  0% { transform: translate3d(0,0,0) scale(0.98) rotate(-1.5deg); }
  50% { transform: translate3d(var(--dx), calc(var(--dy) * -0.5), 0) scale(1.01) rotate(0.8deg); }
  100% { transform: translate3d(calc(var(--dx) * -0.65), var(--dy), 0) scale(1.03) rotate(1.6deg); }
}

@keyframes heroPortalDrift {
  0% { transform: translate3d(0,-10px,0) scale(1) rotate(0deg); }
  25% { transform: translate3d(5px,-2px,0) scale(1.01) rotate(0.12deg); }
  50% { transform: translate3d(2px,8px,0) scale(0.998) rotate(0.2deg); }
  75% { transform: translate3d(-3px,1px,0) scale(1.004) rotate(-0.08deg); }
  100% { transform: translate3d(0,-10px,0) scale(1) rotate(0deg); }
}

@keyframes researchParticleFloat {
  0% { transform: translate3d(0,0,0) scale(0.84); opacity: 0; }
  18% { opacity: 0.62; }
  100% { transform: translate3d(var(--dx), var(--dy), 0) scale(1.08); opacity: 0.88; }
}

@keyframes compareScan {
  0% { transform: translateX(-18%); opacity: 0.24; }
  50% { transform: translateX(16%); opacity: 0.52; }
  100% { transform: translateX(-18%); opacity: 0.24; }
}

/* responsive */
@media (max-width: 1280px) {
  .compare-radar-layout { grid-template-columns: 360px minmax(460px, 1fr) 220px; }
}

@media (max-width: 1180px) {
  html.lang-zh .research-hero__title { white-space: normal; }

  .capability-layout { grid-template-columns: 1fr; }

  .research-hero__content {
    max-width: min(840px, 60vw);
    padding-top: 118px;
    padding-left: clamp(64px, 5vw, 104px);
  }

  html.lang-zh .research-hero__content {
    max-width: min(900px, 62vw);
  }

  .research-hero__content::before {
  display: none;
    left: calc(-18% - min(8vw, 90px) - clamp(28px, 2vw, 44px));
    width: min(86vw, 1180px);
    height: min(58vw, 820px);
    opacity: 0.24;
  }

  .research-hero__visual { inset: 8% -2% 2% 44%; }
  .hero-portal { transform: scale(1.26); }
  .compare-radar-layout { grid-template-columns: 1fr; }

  .compare-side-cards,
  .compare-radar-summary--aligned {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
  }

  .compare-radar-shell { min-height: 680px; }
}

@media (max-width: 980px) {
  .research-section { padding: 86px 0 96px; }
  .research-section + .research-section {
    margin-top: 0;
    padding-top: 80px;
  }
  .research-section + .research-section::before {
    height: 96px;
    filter: blur(18px);
  }
  .principles-grid,
  .output-stats-grid { grid-template-columns: 1fr; }

  .scale-rail__cards {
    grid-template-columns: 1fr;
  }

  .scale-rail__thumb {
    width: 48px;
    height: 48px;
  }

  .research-hero { min-height: auto; }
  .research-hero__inner { min-height: auto; }

  .research-hero__content,
  html.lang-zh .research-hero__content {
    max-width: 100%;
    padding-top: 86px;
    padding-left: 0;
  }

  .research-hero__content::before {
  display: none;
    left: -18%;
    width: min(132vw, 1100px);
    height: min(82vw, 680px);
    opacity: 0.22;
  }

  .research-hero__title,
  html.lang-zh .research-hero__title,
  html.lang-en .research-hero__title {
    max-width: 100%;
    white-space: normal;
    text-wrap: balance;
    font-size: clamp(38px, 6.4vw, 54px);
  }

  .research-hero__visual {
    inset: 20% -14% 0% 26%;
    opacity: 0.94;
  }

  .hero-portal {
    transform: scale(1.18);
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 42%, rgba(0,0,0,.92) 58%, rgba(0,0,0,.56) 78%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 42%, rgba(0,0,0,.92) 58%, rgba(0,0,0,.56) 78%, transparent 100%);
  }

  .paper-item,
  .founder-highlight {
    display: grid;
    grid-template-columns: 1fr;
  }

  .paper-item { justify-content: flex-start; }
    .compare-radar-shell {
    min-height: 620px;
    padding: 20px;
  }

  .compare-radar-chart { width: min(100%, 700px); }
  .compare-radar-chart__labels text { font-size: 20px; }
}

@media (max-width: 640px) {
  .research-section { padding: 76px 0 86px; }
  .research-section + .research-section {
    margin-top: 0;
    padding-top: 72px;
  }
  .research-section + .research-section::before {
    height: 88px;
    filter: blur(14px);
  }

  .section-title,
  .research-hero__title,
  .research-cta__content h2 {
    font-size: clamp(32px, 9.4vw, 42px);
    line-height: 1.08;
  }

  .research-hero__content {
    padding-top: 48px;
    padding-left: 0;
  }

  .research-hero__content::before {
  display: none;
    left: -34%;
    top: 42%;
    width: 160%;
    height: 320px;
    opacity: 0.18;
  }

  .hero-actions,
  .research-hero__actions,
  .research-cta__actions { gap: 14px; }

  .research-hero__visual {
    inset: 28% -22% 0% 2%;
    opacity: 0.86;
  }

  .hero-portal { transform: scale(1.12); }

  .principle-card,
  .capability-card,
  .business-compare-card,
  .compare-radar-summary__item,
  .compare-radar-shell,
  .scale-card,
  .output-stat-card,
  .paper-item,
  .faq-item,
  .founder-highlight,
  .research-cta__panel { border-radius: 24px; }

  .research-cta__panel {
    width: calc(100vw - 28px);
    margin-left: calc(50% - 50vw + 14px);
    margin-right: calc(50% - 50vw + 14px);
    min-height: 236px;
    background-position: center center;
  }

  .capability-card--primary { min-height: 360px; }
  .capability-card--compact {
    min-height: auto;
    padding: 20px 20px;
  }

  .compare-side-cards,
  .compare-radar-summary--aligned { grid-template-columns: 1fr; }

  .compare-radar-shell { min-height: 520px; }
  .compare-radar-topline { gap: 10px; }
  .compare-radar-topline__pill {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 15px;
  }

  .compare-radar-chart__labels text { font-size: 17px; }

  .scale-rail__labels {
    height: 52px;
    margin-bottom: 16px;
  }

  .scale-rail__label {
    font-size: 12px;
    letter-spacing: 0.08em;
  }

  .scale-rail__track {
    height: 52px;
  }

  .scale-rail__thumb {
    width: 40px;
    height: 40px;
    padding: 0;
  }

  .founder-highlight__meta {
    min-width: 88px;
    min-height: 88px;
  }

  .research-cta__content { padding: 34px 24px 38px; }
}




@media (max-width: 1180px) {
  .fusion-flow__connectors { display: none; }
  .fusion-orbit__core-label { font-size: clamp(20px, 4vw, 30px); }
}

.scale-rail__thumb-core::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.96) 0%, rgba(139,226,255,0.64) 60%, rgba(139,226,255,0) 100%);
  pointer-events: none;
}

@media (min-width: 1441px) {
  .fusion-orbit__info-card {
    transform: translateX(-150px) !important;
    width: min(100%, 343px) !important;
  }
}

@media (min-width: 1181px) and (max-width: 1440px) {
  .fusion-orbit__info-card {
    transform: translateX(-150px) !important;
    width: min(100%, 343px) !important;
  }
}

@media (min-width: 721px) and (max-width: 1180px) {
  .fusion-orbit__info-card {
    transform: translateX(-30px) !important;
    width: min(100%, 343px) !important;
  }
}

@media (max-width: 720px) {
  .fusion-orbit__info-card {
    transform: none !important;
    width: min(100%, 343px) !important;
  }
}