:root {
  --ink: #101529;
  --muted: #5d667d;
  --faint: #8c94a8;
  --line: rgba(26, 42, 92, 0.12);
  --blue: #245bff;
  --blue-deep: #122cc0;
  --cyan: #0bbcea;
  --paper: #f6f9ff;
  --white: #ffffff;
  --radius: 22px;
  --shadow: 0 28px 90px rgba(32, 66, 150, 0.14);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  background:
    linear-gradient(180deg, #eef5ff 0%, #ffffff 46%, #f7f9ff 100%);
  line-height: 1.55;
  overflow-x: hidden;
}

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

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

a,
summary {
  transition: transform 240ms var(--ease), background 240ms var(--ease), color 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(36, 91, 255, 0.32);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 22px;
  left: 50%;
  z-index: 20;
  width: min(1160px, calc(100% - 36px));
  min-height: 66px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 10px 12px 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(41, 70, 140, 0.12);
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 162px;
  height: auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--white);
  background:
    linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32), 0 16px 36px rgba(36, 91, 255, 0.28);
  font-weight: 950;
}

.brand-text {
  color: #111a38;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: 0;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.nav-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #4e5970;
  font-size: 14px;
  font-weight: 820;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
}

.nav-cta,
.primary-link,
.secondary-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 900;
  white-space: nowrap;
}

.nav-cta,
.primary-link {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 18px 44px rgba(36, 91, 255, 0.24);
}

.secondary-link {
  color: #172142;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 36px rgba(32, 66, 150, 0.09);
}

.primary-link:hover,
.secondary-link:hover,
.nav-cta:hover {
  transform: translateY(-2px);
}

main {
  width: 100%;
  margin: 0;
}

.webmedia-page {
  min-height: 100dvh;
  padding-top: 118px;
  background:
    radial-gradient(circle at 78% 8%, rgba(11, 188, 234, 0.22), transparent 34%),
    radial-gradient(circle at 14% 16%, rgba(36, 91, 255, 0.14), transparent 32%),
    linear-gradient(180deg, #eef5ff 0%, #ffffff 45%, #f7f9ff 100%);
}

.webmedia-page h1 {
  font-size: clamp(46px, 7vw, 82px);
  line-height: 0.96;
}

.hero {
  --pointer-x: 72%;
  --pointer-y: 36%;
  --bg-shift-x: 0px;
  --bg-shift-y: 0px;
  --field-shift-x: 0px;
  --field-shift-y: 0px;
  --planet-shift-x: 0px;
  --planet-shift-y: 0px;
  --planet-tilt-x: 0deg;
  --planet-tilt-y: 0deg;
  position: relative;
  min-height: 92dvh;
  display: grid;
  align-items: end;
  padding: 118px max(36px, calc((100vw - 1160px) / 2)) 44px;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: -2%;
  z-index: -2;
  background-image: url("/assets/xingtu-hero-generated.png");
  background-size: cover;
  background-position: center;
  transform: translate3d(var(--bg-shift-x), var(--bg-shift-y), 0) scale(1.04);
  transition: transform 520ms var(--ease);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(246, 249, 255, 0.98) 0%, rgba(246, 249, 255, 0.84) 34%, rgba(246, 249, 255, 0.22) 68%, rgba(246, 249, 255, 0.05) 100%),
    linear-gradient(0deg, rgba(246, 249, 255, 1) 0%, rgba(246, 249, 255, 0.24) 22%, transparent 56%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(32, 213, 255, 0.28), rgba(32, 213, 255, 0.08) 14%, transparent 34%),
    radial-gradient(circle at calc(var(--pointer-x) - 14%) calc(var(--pointer-y) + 10%), rgba(36, 91, 255, 0.16), transparent 28%);
  opacity: 0.58;
  transition: opacity 320ms var(--ease);
  mix-blend-mode: multiply;
}

.hero.is-pointer-active::after {
  opacity: 0.92;
}

.hero-follow-field {
  position: absolute;
  inset: -10%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.42;
  transform: translate3d(var(--field-shift-x), var(--field-shift-y), 0);
  transition: opacity 320ms var(--ease), transform 520ms var(--ease);
}

.hero.is-pointer-active .hero-follow-field {
  opacity: 0.82;
}

.hero-follow-field::before,
.hero-follow-field::after {
  content: "";
  position: absolute;
  left: var(--pointer-x);
  top: var(--pointer-y);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.hero-follow-field::before {
  width: clamp(190px, 28vw, 420px);
  aspect-ratio: 1;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.82) 0 5%, rgba(118, 227, 255, 0.32) 12%, rgba(36, 91, 255, 0.08) 42%, transparent 70%);
  filter: blur(8px);
}

.hero-follow-field::after {
  width: clamp(260px, 38vw, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(43, 122, 255, 0.16);
  box-shadow:
    inset 0 0 44px rgba(11, 188, 234, 0.08),
    0 0 70px rgba(36, 91, 255, 0.12);
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(620px, 100%);
  display: grid;
  gap: 18px;
  padding-bottom: 82px;
}

.hero-kicker {
  width: fit-content;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid rgba(36, 91, 255, 0.12);
  border-radius: 999px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 18px 48px rgba(36, 91, 255, 0.09);
  font-size: 13px;
  font-weight: 900;
}

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

h1 {
  color: #0e1733;
  font-size: clamp(58px, 9.2vw, 112px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  color: #111a38;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  color: #111a38;
  font-size: 22px;
  line-height: 1.28;
}

.hero-subtitle {
  max-width: 610px;
  color: #39445f;
  font-size: clamp(19px, 2.2vw, 28px);
  line-height: 1.38;
  text-wrap: balance;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.ai-planet-system {
  --system-anchor: translate3d(0, 0, 0);
  position: absolute;
  top: 108px;
  right: max(28px, calc((100vw - 1160px) / 2));
  z-index: 2;
  width: clamp(320px, 31vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  color: #fff;
  transform: var(--system-anchor) translate3d(var(--planet-shift-x), var(--planet-shift-y), 0) rotateX(var(--planet-tilt-y)) rotateY(var(--planet-tilt-x));
  transform-style: preserve-3d;
  transition: transform 380ms var(--ease);
}

.ai-planet-system::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.82) 0 1px, transparent 2px),
    radial-gradient(circle at 24% 28%, rgba(11, 188, 234, 0.2), transparent 28%),
    radial-gradient(circle at 72% 68%, rgba(36, 91, 255, 0.22), transparent 30%);
  background-size: 42px 42px, 100% 100%, 100% 100%;
  filter: drop-shadow(0 22px 48px rgba(36, 91, 255, 0.18));
  opacity: 0.92;
}

.orbit-ring,
.orbit-line {
  position: absolute;
  pointer-events: none;
}

.orbit-ring {
  border: 1px solid rgba(64, 126, 255, 0.2);
  border-radius: 50%;
  box-shadow: inset 0 0 34px rgba(11, 188, 234, 0.08);
}

.orbit-ring-outer {
  inset: 6%;
  animation: orbitDrift 24s linear infinite;
}

.orbit-ring-inner {
  inset: 24%;
  border-color: rgba(11, 188, 234, 0.24);
  animation: orbitDrift 18s linear infinite reverse;
}

.orbit-line {
  left: 8%;
  top: 50%;
  width: 84%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(36, 91, 255, 0.2), transparent);
  transform-origin: center;
}

.orbit-line-a {
  transform: rotate(32deg);
}

.orbit-line-b {
  transform: rotate(-28deg);
}

.ai-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(112px, 10.5vw, 142px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 50%;
  text-align: center;
  background:
    radial-gradient(circle at 32% 24%, rgba(255, 255, 255, 0.96) 0 7%, rgba(255, 255, 255, 0) 18%),
    linear-gradient(145deg, var(--active-b), var(--active-a) 56%, #132fbc);
  box-shadow:
    inset -16px -22px 36px rgba(9, 22, 96, 0.32),
    inset 12px 10px 24px rgba(255, 255, 255, 0.22),
    0 28px 72px rgba(36, 91, 255, 0.34);
  transform: translate(-50%, -50%);
  transition: background 260ms var(--ease), box-shadow 260ms var(--ease), transform 260ms var(--ease);
}

.ai-core::before,
.ai-core::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.ai-core::before {
  inset: -18px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  animation: corePulse 3.8s ease-in-out infinite;
}

.ai-core::after {
  inset: 12%;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.26), transparent 42%);
}

.ai-core span,
.ai-core strong {
  position: relative;
  z-index: 1;
}

.ai-core span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  font-weight: 850;
}

.ai-core strong {
  color: #fff;
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1;
  font-weight: 950;
}

.ai-planet {
  appearance: none;
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: clamp(56px, 5.2vw, 72px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  background:
    radial-gradient(circle at 31% 24%, rgba(255, 255, 255, 0.95) 0 8%, rgba(255, 255, 255, 0) 19%),
    linear-gradient(145deg, var(--planet-b), var(--planet-a) 58%, #1632a8 100%);
  box-shadow:
    inset -10px -14px 22px rgba(4, 17, 72, 0.3),
    inset 8px 7px 16px rgba(255, 255, 255, 0.22),
    0 18px 40px rgba(36, 91, 255, 0.18);
  transform: translate(-50%, -50%);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), filter 260ms var(--ease);
  animation: planetFloat 5.8s ease-in-out infinite;
}

.ai-planet::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 260ms var(--ease), transform 260ms var(--ease);
}

.ai-planet span {
  position: relative;
  z-index: 1;
  max-width: 5.8em;
  color: #fff;
  font-size: 11px;
  font-weight: 950;
  line-height: 1.08;
  text-align: center;
  text-shadow: 0 2px 10px rgba(7, 18, 70, 0.28);
}

.ai-planet:hover,
.ai-planet:focus-visible,
.ai-planet.is-active {
  z-index: 7;
  filter: saturate(1.12);
  box-shadow:
    inset -10px -14px 22px rgba(4, 17, 72, 0.28),
    inset 8px 7px 16px rgba(255, 255, 255, 0.24),
    0 0 0 6px rgba(255, 255, 255, 0.18),
    0 22px 46px rgba(36, 91, 255, 0.28);
  transform: translate(-50%, -50%) scale(1.1);
}

.ai-planet:hover::before,
.ai-planet:focus-visible::before,
.ai-planet.is-active::before {
  opacity: 1;
  transform: scale(1.08);
}

.ai-planet:focus-visible {
  outline: 3px solid rgba(36, 91, 255, 0.28);
  outline-offset: 5px;
}

.hero-proof {
  position: absolute;
  left: max(36px, calc((100vw - 1160px) / 2));
  right: max(36px, calc((100vw - 1160px) / 2));
  bottom: 26px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-proof span {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
  backdrop-filter: blur(14px);
  color: #172142;
  font-weight: 900;
  box-shadow: 0 16px 42px rgba(32, 66, 150, 0.08);
}

.platform-bar {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  width: min(1160px, calc(100% - 36px));
  margin: -12px auto 38px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.platform-bar span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(36, 91, 255, 0.1);
  border-radius: 999px;
  color: #334166;
  background: #fff;
  font-size: 14px;
  font-weight: 850;
}

@keyframes orbitDrift {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes corePulse {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(0.98);
  }

  50% {
    opacity: 0.88;
    transform: scale(1.06);
  }
}

@keyframes planetFloat {
  0%,
  100% {
    margin-top: 0;
  }

  50% {
    margin-top: -8px;
  }
}

.section {
  width: min(1160px, calc(100% - 36px));
  margin-right: auto;
  margin-left: auto;
  padding: 86px 0;
}

.section-heading,
.delivery-copy {
  display: grid;
  gap: 16px;
  margin-bottom: 30px;
}

.section-heading p,
.delivery-copy p,
.engine-copy p,
.contact-section p,
.service-grid p,
.process-line p,
.delivery-row p,
.audience-grid p,
.faq-list p,
.site-footer p {
  color: var(--muted);
}

.section-heading p,
.engine-copy p,
.delivery-copy p,
.contact-section p {
  max-width: 66ch;
  font-size: 17px;
}

.section-kicker {
  width: fit-content;
  margin: 0;
  padding: 7px 11px;
  border: 1px solid rgba(36, 91, 255, 0.12);
  border-radius: 999px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.07);
  font-size: 13px;
  font-weight: 950;
}

.narrow {
  max-width: 760px;
  text-align: center;
  margin-right: auto;
  margin-left: auto;
}

.geo-education-section {
  padding-top: 62px;
}

.geo-definition-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.94fr);
  align-items: stretch;
  gap: 14px;
}

.geo-definition-card,
.geo-truth-grid article,
.geo-advantage-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 68px rgba(32, 66, 150, 0.08);
}

.geo-definition-card {
  min-height: 330px;
  display: grid;
  align-content: end;
  gap: 18px;
  padding: 30px;
  background:
    radial-gradient(circle at 88% 18%, rgba(11, 188, 234, 0.14), transparent 26%),
    linear-gradient(145deg, rgba(36, 91, 255, 0.07), rgba(255, 255, 255, 0.94));
}

.geo-definition-card span {
  width: fit-content;
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
  font-size: 13px;
  font-weight: 950;
}

.geo-definition-card h3 {
  max-width: 760px;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.08;
}

.geo-definition-card p,
.geo-truth-grid p,
.geo-advantage-grid p {
  color: var(--muted);
}

.geo-flow {
  display: grid;
  gap: 12px;
}

.geo-flow div {
  min-height: 72px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(36, 91, 255, 0.13);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 50px rgba(32, 66, 150, 0.06);
}

.geo-flow b {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 30px rgba(36, 91, 255, 0.18);
  font-size: 13px;
}

.geo-flow span {
  color: #172142;
  font-weight: 900;
}

.geo-truth-grid,
.geo-advantage-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

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

.geo-truth-grid article,
.geo-advantage-grid article {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
}

.geo-truth-grid article {
  min-height: 214px;
}

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

.geo-advantage-grid article {
  min-height: 254px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(36, 91, 255, 0.06));
}

.geo-advantage-grid b {
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
}

.geo-result-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: 24px;
  margin-top: 18px;
  padding: 30px;
  border-radius: 28px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 10%, rgba(102, 243, 255, 0.24), transparent 28%),
    linear-gradient(135deg, rgba(36, 91, 255, 0.96), rgba(18, 44, 192, 0.94));
  box-shadow: 0 34px 90px rgba(36, 91, 255, 0.24);
}

.geo-result-panel .section-kicker {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.18);
}

.geo-result-panel h2 {
  margin-top: 12px;
  color: #fff;
}

.geo-result-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.geo-result-list span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 850;
}

.challenge-section {
  padding-block: 74px 82px;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.challenge-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 20px 68px rgba(32, 66, 150, 0.08);
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 260px;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.challenge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 90px rgba(32, 66, 150, 0.14);
}

.challenge-card b {
  font-size: 2rem;
  font-weight: 850;
  color: var(--blue);
  line-height: 1;
}

.challenge-card h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 750;
}

.challenge-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article,
.process-line article,
.audience-grid article,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 20px 68px rgba(32, 66, 150, 0.08);
}

.service-grid article {
  min-height: 280px;
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 22px;
}

.service-grid b {
  width: 44px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
  font-variant-numeric: tabular-nums;
}

.engine-section {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: 40px;
}

.engine-visual {
  padding: 10px;
  border-radius: 32px;
  background: #fff;
  box-shadow: var(--shadow);
}

.engine-visual img {
  width: 100%;
  border-radius: 24px;
}

.engine-copy {
  display: grid;
  gap: 18px;
}

.engine-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.engine-list span {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: #1f2d55;
  background: #fff;
  font-weight: 850;
}

.media-network-section {
  padding-top: 42px;
}

.media-network-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 16px;
  padding: 30px;
  border-radius: 30px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(36, 91, 255, 0.94), rgba(11, 188, 234, 0.78)),
    var(--blue);
  box-shadow: 0 32px 90px rgba(36, 91, 255, 0.22);
  overflow: hidden;
}

.media-network-head h2 {
  max-width: 820px;
  color: #fff;
}

.media-network-head p {
  max-width: 70ch;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.media-number {
  display: grid;
  align-content: center;
  gap: 8px;
  min-height: 170px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.media-number strong {
  font-size: clamp(42px, 5vw, 66px);
  line-height: 0.92;
  font-variant-numeric: tabular-nums;
}

.media-number span {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 850;
}

.media-channel-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.media-channel-grid article {
  min-height: 170px;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(36, 91, 255, 0.06), rgba(255, 255, 255, 0.94));
  box-shadow: 0 20px 68px rgba(32, 66, 150, 0.07);
}

.media-channel-grid p {
  color: var(--muted);
}

.media-library-section {
  padding-top: 44px;
}

.media-library-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 20px;
  align-items: stretch;
}

.media-library-summary {
  min-height: 190px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px;
  border: 1px solid rgba(36, 91, 255, 0.14);
  border-radius: 22px;
  background:
    radial-gradient(circle at 78% 18%, rgba(11, 188, 234, 0.24), transparent 38%),
    linear-gradient(145deg, rgba(36, 91, 255, 0.1), rgba(255, 255, 255, 0.92));
  box-shadow: 0 22px 70px rgba(32, 66, 150, 0.1);
}

.media-library-summary span {
  color: var(--blue);
  font-size: clamp(44px, 5vw, 64px);
  font-weight: 950;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.media-library-summary b {
  color: #142149;
  font-size: 18px;
}

.media-library-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.media-library-panel {
  padding: 18px;
  border: 1px solid rgba(36, 91, 255, 0.13);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 28px 88px rgba(32, 66, 150, 0.1);
}

.backend-filter-panel {
  margin-bottom: 14px;
  border-top: 1px dashed rgba(21, 34, 74, 0.12);
}

.backend-filter-row {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(21, 34, 74, 0.12);
  color: #425070;
  font-size: 15px;
  line-height: 1.75;
}

.backend-filter-row b {
  color: #0e1733;
  font-weight: 950;
  white-space: nowrap;
}

.backend-filter-row div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}

.backend-filter-option {
  padding: 0;
  border: 0;
  color: #4d5872;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.backend-filter-option:hover,
.backend-filter-option.is-active {
  color: var(--blue);
  font-weight: 900;
}

.media-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 10px;
  margin-bottom: 14px;
}

.media-toolbar label {
  display: grid;
  gap: 6px;
  color: #53607a;
  font-size: 12px;
  font-weight: 850;
}

.media-toolbar input,
.media-toolbar select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(36, 91, 255, 0.14);
  border-radius: 10px;
  color: #152143;
  background: #fff;
  font: inherit;
  font-size: 14px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.media-toolbar input:focus,
.media-toolbar select:focus {
  border-color: rgba(36, 91, 255, 0.46);
  box-shadow: 0 0 0 3px rgba(36, 91, 255, 0.12);
}

.media-search-button,
.media-reset-button {
  align-self: end;
  min-height: 42px;
  padding: 0 22px;
  border: 0;
  border-radius: 10px;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.media-search-button {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 14px 34px rgba(36, 91, 255, 0.22);
}

.media-reset-button {
  color: #43506f;
  background: #eef4ff;
}

.media-list-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: #5d667d;
  font-size: 13px;
  font-weight: 800;
}

.media-list-status span:last-child {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
}

.webmedia-list {
  display: grid;
  gap: 10px;
  min-height: 420px;
}

.webmedia-item {
  display: grid;
  grid-template-columns: minmax(230px, 1.15fr) minmax(360px, 1.7fr) 150px;
  gap: 16px;
  align-items: stretch;
  padding: 16px;
  border: 1px solid rgba(21, 34, 74, 0.09);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(32, 66, 150, 0.06);
}

.webmedia-main {
  display: grid;
  align-content: start;
  gap: 9px;
  min-width: 0;
}

.webmedia-title-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.webmedia-title-row h3 {
  margin: 0;
  overflow: hidden;
  color: #121b3a;
  font-size: 17px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.webmedia-case {
  flex: 0 0 auto;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
  font-size: 12px;
  font-weight: 900;
}

.webmedia-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.webmedia-tags span {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border: 1px solid rgba(36, 91, 255, 0.1);
  border-radius: 8px;
  color: #415074;
  background: rgba(246, 249, 255, 0.9);
  font-size: 12px;
  font-weight: 800;
}

.webmedia-remark {
  margin: 0;
  color: #6a7288;
  font-size: 13px;
  line-height: 1.55;
}

.webmedia-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.webmedia-metric {
  min-height: 66px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 10px;
  border: 1px solid rgba(36, 91, 255, 0.09);
  border-radius: 10px;
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.webmedia-metric b {
  overflow: hidden;
  color: #172143;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.webmedia-metric span {
  color: #7a8397;
  font-size: 12px;
  font-weight: 800;
}

.webmedia-price-box {
  display: grid;
  align-content: center;
  justify-items: end;
  gap: 8px;
  padding-left: 12px;
  border-left: 1px solid rgba(21, 34, 74, 0.08);
}

.webmedia-price {
  color: #f75444;
  font-size: 22px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
}

.webmedia-action {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  font-size: 13px;
  font-weight: 900;
}

.media-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.media-pagination button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(36, 91, 255, 0.14);
  border-radius: 10px;
  color: #1e2a52;
  background: #fff;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.media-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.media-pagination span {
  color: #5d667d;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.process-line article {
  min-height: 230px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
}

.process-line span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
}

.delivery-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: start;
  gap: 36px;
}

.delivery-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.delivery-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.delivery-row:last-child {
  border-bottom: 0;
}

.delivery-row span {
  color: #111a38;
  font-weight: 950;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.audience-grid article {
  min-height: 184px;
  display: grid;
  align-content: end;
  gap: 12px;
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(36, 91, 255, 0.08), rgba(255, 255, 255, 0.92));
}

.case-study-section {
  padding-top: 42px;
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.case-study-card {
  min-height: 292px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 68px rgba(32, 66, 150, 0.08);
}

.case-study-card.featured {
  grid-row: span 2;
  min-height: 598px;
  align-content: end;
  color: #fff;
  background:
    linear-gradient(150deg, rgba(36, 91, 255, 0.95), rgba(18, 44, 192, 0.9)),
    var(--blue);
  box-shadow: 0 34px 90px rgba(36, 91, 255, 0.24);
}

.case-study-card span {
  width: fit-content;
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(36, 91, 255, 0.08);
  font-size: 13px;
  font-weight: 900;
}

.case-study-card.featured span {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.case-study-card.featured h3 {
  color: #fff;
  font-size: clamp(25px, 3vw, 36px);
}

.case-study-card p {
  color: var(--muted);
}

.case-study-card.featured p {
  color: rgba(255, 255, 255, 0.8);
}

.case-study-card b {
  align-self: end;
  color: #23325d;
  font-size: 14px;
  line-height: 1.45;
}

.case-study-card.featured b {
  color: rgba(255, 255, 255, 0.9);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 880px;
  margin: 0 auto;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  color: #111a38;
  font-size: 18px;
  font-weight: 950;
}

.faq-list p {
  margin-top: 12px;
}

.contact-section {
  width: min(1160px, calc(100% - 36px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 56px auto 86px;
  padding: 36px;
  border-radius: 32px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(36, 91, 255, 0.96), rgba(18, 44, 192, 0.94)),
    var(--blue);
  box-shadow: 0 32px 90px rgba(36, 91, 255, 0.24);
}

.contact-section h2 {
  color: #fff;
}

.contact-section p {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 18px;
  color: #fff;
}

.contact-info span {
  padding: 6px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-info a {
  color: #fff;
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 900;
  line-height: 1.1;
  text-decoration: none;
}

.contact-info b {
  color: rgba(255, 255, 255, 0.55);
  font-size: 22px;
  line-height: 1;
}

.contact-info a:hover {
  color: #c8f7ff;
}

.contact-section .secondary-link {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
}

.site-footer {
  width: min(1160px, calc(100% - 36px));
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
}

.site-footer a:hover {
  color: var(--blue);
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: auto auto;
    border-radius: 24px;
  }

  .nav-links {
    grid-column: 1 / -1;
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .hero {
    min-height: 980px;
    align-items: start;
  }

  .hero-content {
    padding-bottom: 0;
  }

  .ai-planet-system {
    --system-anchor: translateX(-50%);
    top: 400px;
    right: auto;
    left: 50%;
    width: min(66vw, 380px);
  }

  .service-grid,
  .process-line,
  .geo-truth-grid,
  .geo-advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .engine-section,
  .delivery-section,
  .geo-definition-grid,
  .geo-result-panel {
    grid-template-columns: 1fr;
  }

  .media-network-head {
    grid-template-columns: 1fr;
  }

  .media-library-head,
  .media-toolbar,
  .webmedia-item {
    grid-template-columns: 1fr;
  }

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

  .webmedia-price-box {
    justify-items: start;
    padding-top: 12px;
    padding-left: 0;
    border-top: 1px solid rgba(21, 34, 74, 0.08);
    border-left: 0;
  }

  .media-channel-grid,
  .case-study-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-study-card.featured {
    grid-row: auto;
    grid-column: 1 / -1;
    min-height: 360px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    gap: 10px;
    padding: 9px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-logo {
    width: 142px;
  }

  .brand-text {
    font-size: 16px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .site-footer {
    width: calc(100% - 24px);
  }

  .hero {
    min-height: 950px;
    padding: 104px 18px 30px;
    align-items: start;
  }

  .platform-bar,
  .section,
  .contact-section {
    width: calc(100% - 24px);
  }

  .hero-bg {
    background-position: 62% center;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(246, 249, 255, 0.98) 0%, rgba(246, 249, 255, 0.82) 42%, rgba(246, 249, 255, 0.28) 100%),
      linear-gradient(90deg, rgba(246, 249, 255, 0.96), rgba(246, 249, 255, 0.16));
  }

  .hero-content {
    padding-bottom: 0;
  }

  .ai-planet-system {
    top: 370px;
    width: min(84vw, 310px);
  }

  .ai-core {
    width: 98px;
    gap: 5px;
    padding: 15px;
  }

  .ai-core strong {
    font-size: 17px;
  }

  .ai-planet {
    width: clamp(48px, 13vw, 58px);
    padding: 6px;
  }

  .ai-planet span {
    font-size: 9px;
  }

  h1 {
    font-size: clamp(58px, 18vw, 76px);
  }

  h2 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 19px;
  }

  .hero-actions,
  .contact-actions,
  .contact-section {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-proof {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 22px;
    grid-template-columns: 1fr;
  }

  .hero-proof span {
    min-height: 46px;
  }

  .platform-bar {
    justify-content: flex-start;
  }

  .section {
    padding: 58px 0;
  }

  .section-heading p,
  .engine-copy p,
  .delivery-copy p,
  .contact-section p {
    font-size: 15px;
  }

  .service-grid,
  .process-line,
  .engine-list,
  .audience-grid,
  .media-channel-grid,
  .case-study-grid,
  .geo-truth-grid,
  .geo-advantage-grid,
  .challenge-grid,
  .geo-result-list {
    grid-template-columns: 1fr;
  }

  .geo-definition-card,
  .geo-result-panel {
    padding: 24px;
  }

  .geo-definition-card {
    min-height: 300px;
  }

  .geo-flow div {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .geo-flow b {
    width: 40px;
    height: 40px;
  }

  .service-grid article,
  .challenge-card {
    min-height: 210px;
  }

  .media-network-head {
    padding: 24px;
  }

  .media-library-panel {
    padding: 12px;
    border-radius: 18px;
  }

  .media-library-summary {
    min-height: 150px;
  }

  .webmedia-list {
    min-height: 360px;
  }

  .webmedia-item {
    padding: 13px;
  }

  .webmedia-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .webmedia-title-row h3 {
    white-space: normal;
  }

  .webmedia-metrics {
    grid-template-columns: 1fr;
  }

  .media-number {
    min-height: 130px;
  }

  .case-study-card,
  .case-study-card.featured {
    min-height: 260px;
  }

  .delivery-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-section {
    padding: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after,
  .hero-follow-field {
    opacity: 0;
  }

  .hero-bg {
    transform: none;
  }

  .ai-planet-system {
    transform: var(--system-anchor);
  }

  .orbit-ring,
  .ai-core::before,
  .ai-planet {
    animation: none;
  }
}