:root {
  --ink: #102343;
  --ink-2: #223b63;
  --muted: #66758d;
  --line: #d9e3f2;
  --surface: #f3f7fd;
  --white: #ffffff;
  --blue: #2374e8;
  --blue-dark: #1555b9;
  --green: #159da5;
  --coral: #5c8ff2;
  --yellow: #f0b429;
  --shadow: 0 18px 48px rgba(18, 26, 40, 0.12);
  --shell: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

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

button {
  color: inherit;
}

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

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(221, 227, 235, 0.84);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

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

.brand-logo {
  display: block;
  width: 132px;
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-tagline {
  margin-left: 2px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.desktop-nav a {
  position: relative;
  padding: 26px 0;
  color: #384457;
  font-size: 14px;
  font-weight: 500;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--blue);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--ink);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  line-height: 1;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.button svg {
  width: 18px;
  height: 18px;
}

.button-small {
  min-height: 38px;
  padding: 0 15px;
  font-size: 13px;
}

.button-large {
  min-height: 52px;
  padding: 0 24px;
  font-size: 15px;
}

.button-primary {
  color: var(--white);
  background: var(--blue);
}

.button-primary:hover {
  background: var(--blue-dark);
}

.button-outline {
  border-color: var(--line);
  background: var(--white);
}

.button-outline:hover {
  border-color: var(--ink);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.56);
  color: var(--white);
  background: rgba(7, 35, 76, 0.42);
  backdrop-filter: blur(8px);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(7, 35, 76, 0.74);
}

.button-dark {
  padding: 0 22px;
  color: var(--white);
  background: var(--ink);
}

.button-dark:hover {
  background: var(--blue);
}

.button-light {
  color: var(--ink);
  background: var(--white);
}

.button-light:hover {
  color: var(--blue);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  min-height: min(472px, calc(80svh - 93px));
  align-items: center;
  overflow: hidden;
  color: var(--ink);
  background: #dceafb;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background-image: url("assets/hero-cartoon-marketing.png");
  background-position: right center;
  background-repeat: no-repeat;
  background-size: auto 108%;
}

.hero-backdrop::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #eef6ff 0%, #eef6ff 42%, rgba(238, 246, 255, 0.95) 53%, rgba(238, 246, 255, 0.42) 72%, rgba(220, 234, 251, 0.06) 100%);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 58px 0 66px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--blue);
}

.eyebrow span {
  width: 22px;
  height: 2px;
  background: var(--blue);
}

.hero h1 {
  margin: 18px 0 0;
  font-size: 70px;
  font-weight: 800;
  line-height: 1.08;
}

.hero-lead {
  max-width: 620px;
  margin: 10px 0 0;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-description {
  max-width: 560px;
  min-height: 48px;
  margin: 18px 0 0;
  color: #536987;
  font-size: 16px;
  line-height: 1.8;
}

.hero-trust {
  display: grid;
  width: min(100%, 590px);
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  margin-top: 38px;
}

.hero-trust > span {
  padding: 0 18px;
  border-left: 1px solid #bdd2ec;
  color: #6b7d96;
  font-size: 13px;
}

.hero-trust > span:first-child { padding-left: 0; border-left: 0; }
.hero-trust strong { color: var(--ink); font-size: 15px; }

.advantage-strip {
  border-bottom: 0;
  background: #eef6ff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--white);
}

.advantage-item {
  display: flex;
  min-height: 132px;
  align-items: center;
  gap: 15px;
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}

.advantage-item:first-child { border-left: 1px solid var(--line); }

.advantage-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

.hot-badge {
  display: inline-grid;
  height: 19px;
  margin-left: 7px;
  padding: 0 6px;
  place-items: center;
  border-radius: 4px;
  color: var(--white);
  background: #ef3f3f;
  font-size: 10px;
  font-style: italic;
  line-height: 19px;
  vertical-align: 2px;
}

.advantage-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.icon-tile {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  place-items: center;
  border-radius: 7px;
}

.icon-tile svg { width: 23px; height: 23px; }
.icon-tile.blue { color: var(--blue); background: #eaf2ff; }
.icon-tile.green { color: #147ccf; background: #e6f2ff; }
.icon-tile.coral { color: #526ee8; background: #edf0ff; }
.icon-tile.ink { color: #174b91; background: #e8eef7; }

.partner-showcase-section {
  position: relative;
  overflow: hidden;
  padding: 76px 0 78px;
  background: #eef6ff;
}

.partner-showcase-section::before {
  display: none;
}

.partner-showcase-heading {
  position: relative;
  z-index: 2;
  text-align: center;
}

.section-title-composition {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.section-title-side {
  display: flex;
  width: clamp(76px, 8vw, 136px);
  align-items: center;
  gap: 10px;
  color: var(--blue);
}

.section-title-side::before {
  min-width: 28px;
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, transparent, rgba(43, 120, 231, 0.62));
  content: "";
}

.section-title-side--right {
  flex-direction: row-reverse;
}

.section-title-side--right::before {
  background: linear-gradient(90deg, rgba(43, 120, 231, 0.62), transparent);
}

.section-title-side svg {
  width: 28px;
  height: 28px;
  padding: 6px;
  border: 1px solid rgba(43, 120, 231, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.56);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.section-title-side--right svg {
  transform: scaleX(-1);
}

.section-title-mark {
  position: relative;
  display: block;
  width: 78px;
  height: 9px;
  margin: 16px auto 0;
  background:
    radial-gradient(circle at center, var(--blue) 0 3px, transparent 3.5px),
    linear-gradient(90deg, transparent, rgba(43, 120, 231, 0.76) 32%, rgba(43, 120, 231, 0.76) 68%, transparent) center / 100% 1px no-repeat;
}

.partner-showcase-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 38px;
  line-height: 1.3;
}

.partner-logo-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px;
  margin-top: 48px;
}

.partner-logo-cell {
  display: grid;
  min-width: 0;
  height: 86px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(105, 145, 199, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 20px rgba(39, 91, 162, 0.04);
  animation: partner-logo-sequence 5.4s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.14s - 5.4s);
  will-change: opacity, transform;
}

.partner-logo-cell img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.partner-logo-grid:hover .partner-logo-cell {
  animation-play-state: paused;
}

@keyframes partner-logo-sequence {
  0%, 72%, 100% {
    opacity: 0.52;
    transform: translateY(0) scale(0.975);
  }
  7%, 20% {
    opacity: 1;
    transform: translateY(-6px) scale(1.025);
    box-shadow: 0 14px 32px rgba(39, 91, 162, 0.14);
  }
  29% {
    opacity: 0.68;
    transform: translateY(0) scale(0.99);
  }
}

.publishing-process-section {
  padding: 76px 0 82px;
  border-bottom: 0;
  background: #eef6ff;
}

.publishing-process-heading {
  display: flex;
  align-items: center;
  flex-direction: column;
  margin-bottom: 44px;
  text-align: center;
}

.publishing-process-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.3;
}

.publishing-process-list {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.publishing-process-list li {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 150px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 30px 10px 22px;
  border: 1px solid #e3eaf6;
  border-radius: 7px;
  background: var(--white);
}

.publishing-process-list li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -20px;
  width: 16px;
  color: var(--blue);
  content: "\2192";
  font-size: 23px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  transform: translateY(-50%);
}

.publishing-process-number {
  position: absolute;
  top: -15px;
  left: 50%;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
  transform: translateX(-50%);
}

.publishing-process-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 15px;
  place-items: center;
  color: var(--blue);
}

.publishing-process-icon svg {
  width: 38px;
  height: 38px;
  stroke-width: 1.9;
}

.publishing-process-list strong {
  display: block;
  font-size: 14px;
  line-height: 1.45;
  text-align: center;
}

.brand-search-promise {
  position: relative;
  display: grid;
  min-height: 224px;
  place-items: center;
  overflow: hidden;
  padding: 42px 0;
  background: #eef6ff;
}

.brand-search-promise-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 58px minmax(0, auto) 58px;
  align-items: center;
  justify-content: center;
  gap: 26px;
}

.brand-search-promise h2 {
  max-width: 960px;
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.45;
  text-align: center;
}

.brand-search-promise h2 span {
  color: var(--blue);
}

.brand-search-promise-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(40, 117, 232, 0.22);
  border-radius: 50%;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 12px 30px rgba(39, 112, 218, 0.08);
}

.brand-search-promise-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.brand-search-promise-icon--ai {
  color: #526ee8;
}

.brand-search-promise-circuit {
  position: absolute;
  top: 50%;
  width: min(22vw, 360px);
  height: 110px;
  transform: translateY(-50%);
}

.brand-search-promise-circuit::before,
.brand-search-promise-circuit::after,
.brand-search-promise-circuit span {
  position: absolute;
  background: rgba(63, 130, 228, 0.16);
  content: "";
}

.brand-search-promise-circuit::before {
  top: 30px;
  width: 100%;
  height: 1px;
}

.brand-search-promise-circuit::after {
  bottom: 24px;
  width: 72%;
  height: 1px;
}

.brand-search-promise-circuit span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(39, 119, 232, 0.38);
  box-shadow: 0 0 0 6px rgba(39, 119, 232, 0.06);
}

.brand-search-promise-circuit span:nth-child(1) { top: 27px; }
.brand-search-promise-circuit span:nth-child(2) { top: 63px; }
.brand-search-promise-circuit span:nth-child(3) { bottom: 21px; }
.brand-search-promise-circuit--left { left: 0; }
.brand-search-promise-circuit--left::before,
.brand-search-promise-circuit--left::after { left: 0; }
.brand-search-promise-circuit--left span:nth-child(1) { right: 20%; }
.brand-search-promise-circuit--left span:nth-child(2) { right: 42%; }
.brand-search-promise-circuit--left span:nth-child(3) { right: 8%; }
.brand-search-promise-circuit--right { right: 0; transform: translateY(-50%) scaleX(-1); }
.brand-search-promise-circuit--right::before,
.brand-search-promise-circuit--right::after { left: 0; }
.brand-search-promise-circuit--right span:nth-child(1) { right: 20%; }
.brand-search-promise-circuit--right span:nth-child(2) { right: 42%; }
.brand-search-promise-circuit--right span:nth-child(3) { right: 8%; }

.seo-visibility-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 480px;
  align-content: center;
  overflow: hidden;
  padding: 90px 0 76px;
  border-bottom: 0;
  background: #eef6ff;
}

.seo-visibility-section::before,
.seo-visibility-section::after {
  display: none;
}

.seo-visibility-section::before { top: 38px; }
.seo-visibility-section::after { bottom: 38px; }

.seo-visibility-heading {
  position: relative;
  z-index: 1;
  justify-self: center;
  padding-top: 80px;
  transform: translateY(-30px);
  text-align: center;
}

.seo-visibility-heading h2 {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin: 0;
  font-size: 42px;
  line-height: 1.3;
}

.seo-visibility-heading h2::before,
.seo-visibility-heading h2::after {
  width: clamp(54px, 5vw, 88px);
  height: 10px;
  flex: 0 0 auto;
  content: "";
  background:
    radial-gradient(circle at left center, #2b78e7 0 3px, transparent 3.5px),
    linear-gradient(90deg, rgba(43, 120, 231, 0.2), #2b78e7 72%, rgba(43, 120, 231, 0.3)) center / 100% 1px no-repeat;
}

.seo-visibility-heading h2::after {
  transform: scaleX(-1);
}

.seo-visibility-heading p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.seo-logo-stage {
  position: relative;
  z-index: 1;
  min-width: 0;
  width: 100%;
  margin-top: 54px;
  border: 0;
  background: #eef6ff;
}

.seo-logo-row {
  width: 100%;
  overflow: hidden;
  scrollbar-width: none;
}

.seo-logo-row::-webkit-scrollbar { display: none; }

.seo-logo-row + .seo-logo-row { border-top: 0; }

.seo-logo-row--content {
  width: 100%;
  margin-left: 0;
  border-left: 0;
}

.seo-logo-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.seo-logo-row--search .seo-logo-track { animation: seo-logo-scroll-left 34s linear infinite; }
.seo-logo-row--content .seo-logo-track { animation: seo-logo-scroll-right 29s linear infinite; }
.seo-logo-stage:hover .seo-logo-track { animation-play-state: paused; }

.seo-logo-group {
  display: flex;
  flex: 0 0 auto;
  gap: 18px;
  padding-top: 18px;
  padding-right: 18px;
  padding-bottom: 18px;
}

.seo-logo-card {
  display: flex;
  width: 210px;
  height: 90px;
  align-items: center;
  justify-content: center;
  border: 1px solid #dce6f4;
  border-radius: 7px;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(34, 93, 164, 0.05);
}

.seo-logo-card img {
  display: block;
  max-width: 82%;
  max-height: 58%;
  object-fit: contain;
}

.seo-logo-card--tall img { max-height: 72%; }

@keyframes seo-logo-scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-16.666667%); }
}

@keyframes seo-logo-scroll-right {
  from { transform: translateX(-16.666667%); }
  to { transform: translateX(0); }
}

.geo-discovery-section {
  --geo-primary-screen-zone: clamp(280px, 15vw, 320px);
  --geo-secondary-screen-zone: clamp(330px, 18vw, 380px);
  --geo-track-offset: clamp(28px, 3vw, 58px);
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 560px;
  align-content: start;
  overflow: hidden;
  padding: 64px 0 86px;
  border-bottom: 0;
  background: #eef6ff;
}

.geo-discovery-section::before,
.geo-discovery-section::after {
  display: none;
}

.geo-robot-visual {
  position: absolute;
  z-index: 1;
  top: 0;
  right: -18px;
  width: min(30vw, 440px);
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  opacity: 0.48;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.72) 18%, #000 36%, #000 100%),
    linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.78) 9%, #000 19%, #000 80%, rgba(0, 0, 0, 0.72) 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.72) 18%, #000 36%, #000 100%),
    linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.78) 9%, #000 19%, #000 80%, rgba(0, 0, 0, 0.72) 90%, transparent 100%);
  mask-composite: intersect;
  pointer-events: none;
}

.geo-discovery-heading {
  position: relative;
  z-index: 3;
  text-align: center;
}

.geo-discovery-heading h2 {
  max-width: 1120px;
  margin: 0 auto;
  font-size: 42px;
  line-height: 1.3;
}

.geo-logo-stage {
  position: relative;
  z-index: 2;
  min-width: 0;
  width: calc(100% - var(--geo-track-offset));
  margin-left: var(--geo-track-offset);
  margin-top: 82px;
}

.geo-logo-row {
  position: relative;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, #000 0%, #000 calc(100% - 34px), transparent 100%);
  mask-image: linear-gradient(to right, #000 0%, #000 calc(100% - 34px), transparent 100%);
  scrollbar-width: none;
}

.geo-logo-row--primary { width: calc(100% - var(--geo-primary-screen-zone)); }
.geo-logo-row--secondary { width: calc(100% - var(--geo-secondary-screen-zone)); }

.geo-logo-row::-webkit-scrollbar { display: none; }
.geo-logo-row + .geo-logo-row { margin-top: 12px; }

.geo-logo-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.geo-logo-row--primary .geo-logo-track { animation: geo-logo-scroll-left 31s linear infinite; }
.geo-logo-row--secondary .geo-logo-track { animation: geo-logo-scroll-right 27s linear infinite; }
.geo-logo-stage:hover .geo-logo-track { animation-play-state: paused; }

.geo-logo-group {
  display: flex;
  flex: 0 0 auto;
  gap: 14px;
  padding-right: 14px;
}

.geo-logo-chip {
  display: flex;
  width: 190px;
  height: 66px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: 9px 16px;
  border: 1px solid rgba(106, 94, 205, 0.17);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 30px rgba(83, 70, 164, 0.08);
}

.geo-logo-chip img {
  display: block;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  object-fit: contain;
}

.geo-logo-chip strong {
  color: #25234b;
  font-size: 15px;
  white-space: nowrap;
}

.geo-logo-chip--wordmark img {
  width: auto;
  max-width: 148px;
  height: auto;
  max-height: 43px;
}

.geo-logo-chip--codex img { max-height: 54px; }
.geo-logo-chip--jimeng img { max-width: 158px; max-height: 46px; }

.geo-logo-symbol {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: #675ce7;
  font-size: 18px;
  font-weight: 800;
}

@keyframes geo-logo-scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-16.666667%); }
}

@keyframes geo-logo-scroll-right {
  from { transform: translateX(-16.666667%); }
  to { transform: translateX(0); }
}

.section {
  padding: 112px 0;
}

.section-kicker {
  margin-bottom: 14px;
}

.section-kicker::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.section-kicker.light {
  color: #63d9ad;
}

.section h2 {
  margin: 0;
  font-size: 40px;
  line-height: 1.28;
}

.section-intro > p,
.section-heading > p {
  color: var(--muted);
}

.challenge-section {
  background: var(--surface);
}

.challenge-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 96px;
}

.sticky-intro {
  align-self: start;
}

.sticky-intro > p {
  max-width: 400px;
  margin: 24px 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  border: 0;
  cursor: pointer;
  color: var(--blue);
  background: transparent;
  font-size: 14px;
  font-weight: 700;
}

.text-link svg {
  width: 18px;
  height: 18px;
  transition: transform 160ms ease;
}

.text-link:hover svg { transform: translateX(4px); }

.challenge-list {
  border-top: 1px solid #cfd6e0;
}

.challenge-list article {
  display: grid;
  grid-template-columns: 48px 1fr 24px;
  align-items: center;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid #cfd6e0;
  transition: padding 180ms ease, background-color 180ms ease;
}

.challenge-list article:hover {
  padding-right: 18px;
  padding-left: 18px;
  background: var(--white);
}

.challenge-list article > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.challenge-list h3 {
  margin: 0 0 4px;
  font-size: 19px;
}

.challenge-list p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.challenge-list article > svg {
  width: 20px;
  height: 20px;
  color: #8993a2;
}

.heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 64px;
  margin-bottom: 50px;
}

.heading-row > p {
  width: min(100%, 470px);
  margin: 0;
}

.service-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--white);
}

.service-tabs button {
  min-height: 58px;
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font-weight: 600;
}

.service-tabs button:last-child { border-right: 0; }

.service-tabs button.active {
  color: var(--white);
  background: var(--blue);
}

.service-panel {
  display: grid;
  min-height: 470px;
  grid-template-columns: 1.15fr 0.85fr;
  border: 1px solid var(--line);
  overflow: hidden;
}

.service-visual {
  position: relative;
  display: grid;
  min-height: 470px;
  place-items: center;
  overflow: hidden;
  color: var(--white);
  background: #0b2347;
}

.visual-label {
  position: absolute;
  top: 26px;
  left: 28px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 11px;
  font-weight: 700;
}

.signal-canvas {
  position: relative;
  width: 410px;
  max-width: 80%;
  aspect-ratio: 1.3;
}

.signal-core,
.signal-node {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: #0b2347;
  font-weight: 700;
}

.signal-core {
  top: 50%;
  left: 50%;
  width: 118px;
  height: 118px;
  border: 16px solid rgba(23, 104, 229, 0.24);
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35), 0 0 0 34px rgba(23, 104, 229, 0.08);
  font-size: 20px;
  transform: translate(-50%, -50%);
}

.signal-node { width: 48px; height: 48px; color: #8ddfbe; font-size: 11px; }
.signal-node.one { top: 8%; left: 12%; }
.signal-node.two { top: 18%; right: 3%; color: #77a9f4; }
.signal-node.three { right: 18%; bottom: 2%; color: #ff967b; }

.signal-line {
  position: absolute;
  height: 1px;
  background: rgba(255, 255, 255, 0.28);
  transform-origin: left center;
}

.signal-line.one { top: 29%; left: 21%; width: 142px; transform: rotate(25deg); }
.signal-line.two { top: 34%; left: 57%; width: 118px; transform: rotate(-24deg); }
.signal-line.three { top: 62%; left: 56%; width: 128px; transform: rotate(42deg); }

.service-detail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 56px;
  background: var(--white);
}

.service-number {
  display: grid;
  width: 40px;
  height: 40px;
  margin-bottom: 26px;
  place-items: center;
  border-radius: 5px;
  color: var(--blue);
  background: #eaf2ff;
  font-size: 12px;
  font-weight: 800;
}

.service-detail h3 {
  margin: 0;
  font-size: 28px;
}

.service-detail > p {
  margin: 16px 0 22px;
  color: var(--muted);
}

.service-detail ul {
  display: grid;
  width: 100%;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.service-detail li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.service-detail li span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.proof-section {
  color: var(--white);
  background: #0a2348;
}

.proof-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 88px;
}

.proof-summary > p {
  max-width: 490px;
  margin: 22px 0 40px;
  color: rgba(255, 255, 255, 0.6);
}

.proof-metrics {
  display: grid;
  max-width: 500px;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-metrics div {
  display: flex;
  min-height: 116px;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-metrics strong {
  font-size: 30px;
}

.proof-metrics sup {
  color: #63d9ad;
  font-size: 13px;
}

.proof-metrics span {
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.case-list {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.case-item {
  position: relative;
  padding: 28px 68px 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.case-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-top span {
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 10px;
}

.case-top strong {
  color: #63d9ad;
  font-size: 12px;
}

.case-item h3 {
  margin: 12px 0 8px;
  font-size: 19px;
  line-height: 1.45;
}

.case-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.case-button {
  position: absolute;
  top: 50%;
  right: 0;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  cursor: pointer;
  color: var(--white);
  background: transparent;
  transform: translateY(-50%);
}

.case-button:hover { border-color: var(--blue); background: var(--blue); }
.case-button svg { width: 18px; height: 18px; }

.site-footer {
  display: grid;
  min-height: 76px;
  padding: 20px 24px;
  place-items: center;
  color: rgba(255, 255, 255, 0.64);
  background: #07172f;
  text-align: center;
}

.site-footer p { margin: 0; font-size: 12px; }

.modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  padding: 24px;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.modal.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 18, 43, 0.76);
  backdrop-filter: blur(5px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  max-height: calc(100vh - 48px);
  padding: 38px;
  overflow: auto;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateY(16px);
  transition: transform 180ms ease;
}

.modal.open .modal-dialog { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  background: var(--white);
}

.modal-close svg { width: 17px; height: 17px; }

.modal-dialog h2 {
  margin: 0;
  font-size: 27px;
}

.modal-dialog > p {
  margin: 10px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.modal form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.modal label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
}

.modal input,
.modal select {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  outline: none;
  color: var(--ink);
  background: var(--white);
  font-size: 13px;
}

.modal input:focus,
.modal select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 104, 229, 0.1);
}

.modal form .button,
.modal form small {
  grid-column: 1 / -1;
}

.modal form small {
  color: #8a94a2;
  text-align: center;
  font-size: 10px;
}

.toast {
  position: fixed;
  z-index: 120;
  right: 24px;
  bottom: 24px;
  display: flex;
  min-width: 300px;
  align-items: center;
  gap: 13px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 7px;
  opacity: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  pointer-events: none;
  transform: translateY(16px);
  transition: 180ms ease;
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast svg { width: 30px; height: 30px; padding: 6px; border-radius: 50%; color: var(--white); background: var(--green); }
.toast div { display: flex; flex-direction: column; }
.toast strong { font-size: 13px; }
.toast span { color: var(--muted); font-size: 11px; }

@media (max-width: 1120px) {
  .desktop-nav { gap: 20px; }
  .brand-tagline { display: none; }
  .hero-copy { max-width: 610px; }
  .challenge-layout { gap: 56px; }
  .proof-layout { gap: 56px; }
  .partner-logo-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .publishing-process-list { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 46px; }
  .publishing-process-list li::after { display: none; }
}

@media (max-width: 900px) {
  .shell { width: min(calc(100% - 36px), var(--shell)); }
  .desktop-nav,
  .header-actions { display: none; }
  .header-inner { min-height: 68px; }
  .menu-toggle {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
  }
  .menu-toggle svg { width: 21px; height: 21px; }
  .menu-toggle .close-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .close-icon { display: block; }
  .mobile-menu {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    display: flex;
    max-height: 0;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 14px 30px rgba(18, 26, 40, 0.1);
    transition: max-height 220ms ease;
  }
  .mobile-menu.open { max-height: 480px; border-top: 1px solid var(--line); }
  .mobile-menu a { padding: 14px 24px; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 600; }
  .mobile-menu .button { margin: 12px 24px 0; }
  .mobile-menu a.button { padding: 0 18px; border-bottom: 1px solid var(--line); }
  .mobile-menu .button:last-child { margin-bottom: 20px; }
  .hero { min-height: min(600px, calc(100svh - 96px)); }
  .hero-backdrop { background-position: calc(100% + 120px) center; }
  .hero-backdrop::after { background: linear-gradient(90deg, #eef6ff 0%, #eef6ff 48%, rgba(238, 246, 255, 0.94) 62%, rgba(220, 234, 251, 0.24) 100%); }
  .hero-inner { padding: 48px 0 64px; }
  .hero-copy { max-width: 680px; }
  .advantage-grid { grid-template-columns: 1fr 1fr; }
  .advantage-item:nth-child(2) { border-right: 0; }
  .advantage-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .seo-visibility-section { min-height: 470px; padding: 78px 0 68px; }
  .seo-visibility-heading h2 { font-size: 38px; }
  .seo-visibility-heading p { font-size: 16px; }
  .seo-logo-stage { margin-top: 44px; }
  .seo-logo-card { width: 178px; height: 82px; }
  .geo-discovery-section { --geo-primary-screen-zone: 190px; --geo-secondary-screen-zone: 235px; --geo-track-offset: 26px; min-height: 520px; padding: 58px 0 72px; }
  .geo-discovery-heading h2 { font-size: 38px; }
  .geo-logo-stage { margin-top: 68px; }
  .geo-logo-chip { width: 174px; height: 62px; }
  .partner-showcase-section { padding: 68px 0 64px; }
  .partner-showcase-heading h2 { font-size: 36px; }
  .partner-logo-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 42px; }
  .partner-logo-cell { height: 76px; }
  .publishing-process-section { padding: 68px 0 74px; }
  .publishing-process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brand-search-promise { min-height: 210px; padding: 38px 0; }
  .brand-search-promise-inner { grid-template-columns: 50px minmax(0, auto) 50px; gap: 18px; }
  .brand-search-promise h2 { font-size: 29px; }
  .brand-search-promise-icon { width: 50px; height: 50px; }
  .challenge-layout,
  .proof-layout { grid-template-columns: 1fr; }
  .challenge-layout { gap: 50px; }
  .heading-row { display: block; }
  .heading-row > p { margin-top: 18px; }
  .service-panel { grid-template-columns: 1fr; }
  .service-visual { min-height: 370px; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .brand-logo { width: 120px; }
  .hero { min-height: min(620px, calc(100svh - 98px)); align-items: flex-start; }
  .hero-backdrop { background-position: right bottom; background-size: auto 48%; }
  .hero-backdrop::after { background: linear-gradient(180deg, #eef6ff 0%, #eef6ff 54%, rgba(238, 246, 255, 0.88) 67%, rgba(220, 234, 251, 0.1) 100%); }
  .hero-inner { padding: 32px 0 136px; }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 28px; }
  .hero-description { min-height: 64px; font-size: 14px; }
  .hero-trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; }
  .hero-trust > span { padding: 0; border-left: 0; font-size: 11px; }
  .hero-trust strong { font-size: 12px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-item,
  .advantage-item:nth-child(2) { min-height: 104px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .seo-visibility-section { min-height: 410px; padding: 66px 0 58px; }
  .seo-visibility-section::before { top: 24px; }
  .seo-visibility-section::after { bottom: 24px; }
  .seo-visibility-heading h2 { font-size: 30px; }
  .seo-visibility-heading h2::before,
  .seo-visibility-heading h2::after { display: none; }
  .seo-visibility-heading p { margin-top: 14px; font-size: 15px; }
  .seo-logo-stage { margin-top: 38px; }
  .seo-logo-row--search .seo-logo-track { animation-duration: 27s; }
  .seo-logo-row--content .seo-logo-track { animation-duration: 23s; }
  .seo-logo-row--content { width: 100%; margin-left: 0; }
  .seo-logo-group { gap: 12px; padding: 12px 12px 12px 0; }
  .seo-logo-card { width: 150px; height: 76px; }
  .geo-discovery-section { --geo-primary-screen-zone: 70px; --geo-secondary-screen-zone: 100px; --geo-track-offset: 14px; min-height: 490px; padding: 48px 0 62px; }
  .geo-discovery-heading h2 { font-size: 29px; }
  .geo-robot-visual { top: 0; right: -14px; width: 228px; height: 100%; object-position: center 58%; opacity: 0.38; }
  .geo-logo-stage { margin-top: 54px; }
  .geo-logo-row + .geo-logo-row { margin-top: 10px; }
  .geo-logo-row--primary .geo-logo-track { animation-duration: 24s; }
  .geo-logo-row--secondary .geo-logo-track { animation-duration: 21s; }
  .geo-logo-group { gap: 10px; padding-right: 10px; }
  .geo-logo-chip { width: 154px; height: 58px; gap: 8px; padding: 8px 11px; }
  .geo-logo-chip img { width: 34px; height: 34px; }
  .geo-logo-chip strong { font-size: 14px; }
  .geo-logo-chip--wordmark img { width: auto; max-width: 126px; height: auto; max-height: 38px; }
  .geo-logo-chip--codex img { max-height: 46px; }
  .geo-logo-chip--jimeng img { max-width: 132px; max-height: 39px; }
  .partner-showcase-section { padding: 54px 0 48px; }
  .partner-showcase-heading h2 { font-size: 30px; }
  .section-title-composition { gap: 0; }
  .section-title-side { display: none; }
  .section-title-mark { margin-top: 13px; }
  .partner-logo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 34px; }
  .partner-logo-cell { height: 62px; }
  .publishing-process-section { padding: 58px 0 62px; }
  .publishing-process-heading { margin-bottom: 38px; }
  .publishing-process-heading h2 { font-size: 30px; }
  .publishing-process-list { grid-template-columns: 1fr; gap: 14px; }
  .publishing-process-list li {
    min-height: 82px;
    align-items: center;
    flex-direction: row;
    justify-content: flex-start;
    gap: 16px;
    padding: 15px 18px 15px 72px;
  }
  .publishing-process-number { top: 50%; left: 18px; transform: translateY(-50%); }
  .publishing-process-icon { width: 36px; height: 36px; margin: 0; }
  .publishing-process-icon svg { width: 32px; height: 32px; }
  .publishing-process-list strong { font-size: 15px; text-align: left; }
  .brand-search-promise { min-height: 188px; padding: 34px 0; }
  .brand-search-promise-inner { display: block; }
  .brand-search-promise h2 { max-width: 340px; margin: 0 auto; font-size: 24px; line-height: 1.55; }
  .brand-search-promise-icon { display: none; }
  .brand-search-promise-circuit { width: 34vw; opacity: 0.75; }
  .section { padding: 78px 0; }
  .section h2 { font-size: 30px; }
  .challenge-list article { grid-template-columns: 34px 1fr; gap: 12px; }
  .challenge-list article > svg { display: none; }
  .challenge-list h3 { font-size: 17px; }
  .challenge-list p { font-size: 12px; }
  .heading-row { margin-bottom: 34px; }
  .service-tabs { grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
  .service-tabs button { border-bottom: 1px solid var(--line); }
  .service-tabs button:nth-child(2) { border-right: 0; }
  .service-tabs button:nth-child(n+3) { border-bottom: 0; }
  .service-visual { min-height: 300px; }
  .signal-canvas { max-width: 94%; }
  .service-detail { padding: 34px 24px; }
  .service-detail h3 { font-size: 23px; }
  .service-detail ul { grid-template-columns: 1fr; }
  .proof-layout { gap: 52px; }
  .proof-metrics strong { font-size: 25px; }
  .case-item { padding-right: 52px; }
  .case-item h3 { font-size: 17px; }
  .modal { padding: 12px; }
  .modal-dialog { max-height: calc(100vh - 24px); padding: 30px 20px 24px; }
  .modal-dialog h2 { padding-right: 38px; font-size: 23px; }
  .modal form { grid-template-columns: 1fr; }
  .modal form .button,
  .modal form small { grid-column: auto; }
  .toast { right: 14px; bottom: 14px; left: 14px; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .seo-logo-row { overflow-x: auto; }
  .seo-logo-track { animation: none; }
  .geo-logo-row { overflow-x: auto; }
  .geo-logo-track { animation: none; }
  .partner-logo-cell {
    opacity: 1;
    transform: none;
    animation: none;
  }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}