:root {
  --ink: #1d1d1f;
  --muted: #747d8d;
  --muted-2: #9299a5;
  --line: #e4e8ef;
  --line-blue: #d7e0ef;
  --blue: #4477f5;
  --blue-soft: #eff5ff;
  --surface: #f4f6f9;
  --surface-2: #f8f9fb;
  --white: #ffffff;
  --shell: min(1200px, calc(100vw - 64px));
  --stage: min(1120px, calc(100vw - 120px));
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 1180px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.has-video-modal {
  overflow: hidden;
}

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

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(68, 119, 245, 0.32);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  width: var(--shell);
  height: 82px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 750;
}

.brand strong {
  font-size: 21px;
  letter-spacing: -0.03em;
}

.site-header nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-header nav a {
  position: relative;
  padding: 30px 0 27px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 540;
  transition: color 0.2s ease;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transform: translateX(-50%);
  transition: width 0.2s ease;
}

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

.site-header nav a.is-active::after {
  width: 18px;
}

.hero {
  min-height: 650px;
  padding: 92px 0 82px;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
}

.hero-copy {
  width: min(1000px, calc(100vw - 96px));
  margin: 0 auto;
}

.hero-copy h1 {
  margin: 0 auto;
  font-size: clamp(58px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.055em;
}

.hero-copy > p {
  margin: 26px auto 0;
  color: #626977;
  font-size: 18px;
  line-height: 1.75;
}

.play-button {
  width: 64px;
  height: 64px;
  margin-left: 56px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  cursor: pointer;
}

.play-button i {
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 13px solid currentColor;
}

.page-section {
  width: calc(100vw - 52px);
  min-height: 900px;
  margin: 0 auto 48px;
  padding: 84px 0 96px;
  border-radius: 38px;
}

.section-blue {
  background: var(--blue-soft);
}

.section-plain {
  background: var(--white);
}

.section-heading {
  width: min(1060px, calc(100vw - 160px));
  margin: 0 auto;
  text-align: center;
}

.section-heading > p,
.start-copy > p {
  margin: 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 650;
}

.section-heading h2,
.start-copy h2 {
  margin: 14px 0 0;
  font-size: 45px;
  line-height: 1.3;
  letter-spacing: -0.04em;
}

.section-heading > h2:first-child {
  margin-top: 0;
}

.section-heading > span,
.start-copy > span {
  max-width: 850px;
  margin: 21px auto 0;
  display: block;
  color: #69717f;
  font-size: 16px;
  line-height: 1.8;
}

.content-stage {
  width: var(--stage);
  margin: 36px auto 0;
  border-radius: 30px;
  background: var(--white);
}

.section-plain .content-stage {
  background: var(--surface-2);
}

.section-tabs {
  width: var(--stage);
  margin: 46px auto 0;
  display: grid;
  border-bottom: 1px solid var(--line-blue);
}

.section-tabs button {
  position: relative;
  min-height: 55px;
  padding: 0 12px;
  border: 0;
  color: #758092;
  background: transparent;
  font-size: 14px;
  font-weight: 560;
  cursor: pointer;
}

.section-tabs button::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--blue);
  transform: translateX(-50%);
  transition: width 0.2s ease;
}

.section-tabs button[aria-selected="true"] {
  color: var(--ink);
  font-weight: 680;
}

.section-tabs button[aria-selected="true"]::after {
  width: 30px;
}

.definition-stage {
  margin-top: 46px;
  padding: 28px;
}

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

.definition-grid article {
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-2);
}

.definition-grid article > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.definition-grid article h3 {
  margin: 20px 0 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.definition-grid article strong {
  margin-top: 14px;
  display: block;
  font-size: 15px;
}

.definition-grid article p {
  margin: 10px 0 0;
  color: #707887;
  font-size: 13px;
  line-height: 1.75;
}

.capability-tabs {
  grid-template-columns: repeat(6, 1fr);
}

.capability-stage {
  min-height: 640px;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.capability-video {
  min-height: 592px;
  padding: 34px;
  display: grid;
  place-items: center;
  border-radius: 24px;
  background: #edf1f6;
}

.capability-video-center {
  display: grid;
  place-items: center;
  gap: 19px;
  text-align: center;
}

.capability-video-preview {
  position: relative;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 18px;
  background: var(--white);
  cursor: pointer;
}

.capability-video-preview video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: var(--white);
  object-fit: contain;
  pointer-events: none;
}

.capability-preview-play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: rgba(24, 28, 36, 0.84);
  box-shadow: 0 14px 36px rgba(20, 28, 42, 0.22);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, background 0.2s ease;
}

.capability-video-preview:hover .capability-preview-play {
  background: var(--ink);
  transform: translate(-50%, -50%) scale(1.06);
}

.capability-preview-play i {
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 16px solid currentColor;
}

.video-modal {
  position: fixed;
  z-index: 200;
  inset: 0;
  padding: 42px 54px;
  display: grid;
  place-items: center;
  background: rgba(18, 23, 32, 0.72);
  backdrop-filter: blur(7px);
}

.video-modal[hidden] {
  display: none;
}

.video-modal-dialog {
  position: relative;
  width: min(86vw, 1500px);
  padding: 10px;
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}

.video-modal-dialog video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border-radius: 14px;
  background: #000;
  object-fit: contain;
}

.video-modal-close {
  position: absolute;
  z-index: 1;
  top: 22px;
  right: 22px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: rgba(18, 23, 32, 0.82);
  font-size: 26px;
  font-weight: 350;
  line-height: 1;
  cursor: pointer;
}

.capability-video-center .play-button {
  margin: 0;
}

.capability-video-center strong {
  font-size: 22px;
}


.capability-copy {
  min-width: 0;
  padding: 43px 42px 30px 48px;
  display: flex;
  flex-direction: column;
}

.capability-copy h3 {
  margin: 0;
  font-size: 34px;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.capability-copy > p {
  margin: 20px 0 0;
  color: #69717f;
  font-size: 15px;
  line-height: 1.85;
}

.employee-list {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.employee-list div {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.employee-list i {
  padding: 9px 12px;
  border: 1px solid #dbe5f8;
  border-radius: 9px;
  color: #4f6fae;
  background: #f7faff;
  font-size: 12px;
  font-weight: 560;
  font-style: normal;
}

.role-matrix {
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.role-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.role-card:hover {
  border-color: #cbd9f1;
  box-shadow: 0 14px 34px rgba(52, 74, 112, 0.08);
  transform: translateY(-2px);
}

.role-card header {
  display: flex;
  align-items: center;
  gap: 11px;
}

.role-card-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border: 2px solid var(--blue);
  border-radius: 6px;
}

.role-card-icon::before,
.role-card-icon::after,
.role-card-icon i::before,
.role-card-icon i::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 1px;
  background: var(--blue);
}

.role-card-icon::before {
  top: 3px;
  left: 3px;
}

.role-card-icon::after {
  top: 3px;
  right: 3px;
}

.role-card-icon i::before {
  bottom: 3px;
  left: 3px;
}

.role-card-icon i::after {
  right: 3px;
  bottom: 3px;
}

.role-card h3 {
  margin: 0;
  color: #356ee8;
  font-size: 20px;
  font-weight: 680;
  letter-spacing: -0.025em;
}

.role-card-block {
  margin-top: 23px;
}

.role-card-block > span {
  display: block;
  color: var(--muted-2);
  font-size: 12px;
}

.role-card-block > p {
  margin: 7px 0 0;
  color: #555f6f;
  font-size: 13px;
  line-height: 1.75;
}

.role-card-ability > p {
  color: #2f3744;
  font-weight: 580;
}

.organization-tabs {
  grid-template-columns: repeat(3, 1fr);
}

.organization-stage {
  min-height: 570px;
  padding: 24px;
}

.organization-panel {
  min-height: 522px;
  border-radius: 24px;
  background: var(--white);
}

.org-structure {
  padding: 43px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 42px;
}

.org-map {
  min-height: 420px;
  padding: 30px;
  border-radius: 20px;
  background: var(--blue-soft);
}

.org-company {
  width: 280px;
  min-height: 92px;
  margin: 0 auto;
  padding: 19px 22px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--white);
  background: var(--ink);
  text-align: center;
}

.org-company strong {
  font-size: 19px;
}

.org-connector {
  width: 1px;
  height: 58px;
  margin: 0 auto;
  background: #c8d2e2;
}

.org-actor-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.org-actor-row::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: #c8d2e2;
}

.org-actor-row button {
  position: relative;
  min-height: 112px;
  padding: 20px 10px;
  border: 1px solid #dbe2ed;
  border-radius: 16px;
  background: var(--white);
  cursor: pointer;
}

.org-actor-row button::before {
  content: "";
  position: absolute;
  top: -29px;
  left: 50%;
  width: 1px;
  height: 28px;
  background: #c8d2e2;
}

.org-actor-row button[aria-selected="true"] {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 0 3px rgba(68, 119, 245, 0.08);
}

.org-actor-row button strong {
  display: block;
  font-size: 14px;
  line-height: 1.45;
}

.org-detail {
  padding: 28px 10px 0 0;
}

.org-detail > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
}

.org-detail h3 {
  margin: 16px 0 0;
  font-size: 32px;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.org-detail > p {
  margin: 21px 0 0;
  color: #69717f;
  font-size: 15px;
  line-height: 1.85;
}

.org-relation {
  margin-top: 30px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.org-relation span {
  color: var(--muted-2);
  font-size: 12px;
}

.org-relation p {
  margin: 11px 0 0;
  font-size: 13px;
  line-height: 1.75;
}

.org-list-panel {
  padding: 44px 46px;
}

.org-panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.org-panel-head span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
}

.org-panel-head h3 {
  max-width: 700px;
  margin: 0;
  font-size: 30px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.org-collaboration-head {
  align-items: flex-start;
}

.org-collaboration-head > div {
  width: min(100%, 760px);
}

.org-collaboration-head h3 {
  max-width: none;
}

.org-collaboration-head p {
  margin: 14px 0 0;
  color: #6f7887;
  font-size: 14px;
  line-height: 1.8;
}

.collaboration-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.collaboration-grid article {
  min-height: 220px;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.collaboration-grid article span,
.evolution-grid article span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 650;
}

.collaboration-grid article h4 {
  margin: 17px 0 0;
  font-size: 21px;
}

.collaboration-grid article p {
  margin: 18px 0 0;
  color: #6f7887;
  font-size: 13px;
  line-height: 1.8;
}

.collaboration-principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--ink);
  color: var(--white);
}

.collaboration-principles article {
  min-height: 112px;
  padding: 23px 25px;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  align-items: start;
}

.collaboration-principles article + article {
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.collaboration-principles strong {
  color: #8eafff;
  font-size: 13px;
  line-height: 1.7;
}

.collaboration-principles p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  line-height: 1.75;
}

.evolution-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.evolution-grid article {
  min-height: 150px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evolution-grid article strong {
  margin-top: 15px;
  display: block;
  font-size: 16px;
  line-height: 1.55;
}

.evolution-grid article p {
  margin: 10px 0 0;
  color: #6f7887;
  font-size: 12px;
  line-height: 1.7;
}

.value-tabs {
  grid-template-columns: repeat(3, 1fr);
}

.value-stage {
  min-height: 615px;
  padding: 48px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 58px;
}

.value-story > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
}

.value-story h3 {
  margin: 17px 0 0;
  font-size: 34px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.value-path {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.value-path article {
  padding: 20px 0;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 17px;
  border-bottom: 1px solid var(--line);
}

.value-path article span {
  color: var(--muted-2);
  font-size: 12px;
}

.value-path article p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
}

.value-result {
  margin-top: 24px;
  padding: 20px 22px;
  border-radius: 13px;
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
  font-weight: 620;
  line-height: 1.7;
}

.value-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric {
  min-height: 180px;
  padding: 27px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric > span {
  color: var(--muted-2);
  font-size: 12px;
}

.metric-change {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 13px;
}

.metric-change del {
  color: #9aa1ad;
  font-size: 15px;
  text-decoration: none;
}

.metric-change i {
  color: #aab0ba;
  font-size: 13px;
  font-style: normal;
}

.metric-change strong {
  color: var(--blue);
  font-size: 27px;
  letter-spacing: -0.035em;
}

.value-employees {
  grid-column: 1 / -1;
  margin-top: 19px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.value-employees > span {
  color: var(--muted-2);
  font-size: 12px;
}

.value-employees div {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.value-employees i {
  padding: 7px 10px;
  border-radius: 7px;
  color: #687181;
  background: var(--surface);
  font-size: 11px;
  font-style: normal;
}

.value-disclaimer {
  width: var(--stage);
  margin: 20px auto 0;
  color: #7a8391;
  font-size: 12px;
  text-align: center;
}

.landing-section,
.cooperation-section {
  min-height: 820px;
}

.landing-stage,
.service-grid {
  width: var(--stage);
  margin: 48px auto 0;
}

.landing-framework {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface-2);
}

.landing-main {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.85fr);
  gap: 14px;
}

.landing-route,
.landing-flywheel,
.landing-foundation {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
}

.landing-route header span,
.landing-flywheel header span,
.landing-foundation header span,
.service-card header span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.service-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.landing-route h3,
.landing-flywheel h3,
.landing-foundation h3 {
  margin: 12px 0 0;
  font-size: 23px;
  letter-spacing: -0.03em;
}

.landing-route ol {
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 24px;
  list-style: none;
}

.landing-route li {
  position: relative;
  min-height: 102px;
  padding: 20px;
  border-radius: 14px;
  background: var(--blue-soft);
}

.landing-route li:not(:nth-child(3n))::after {
  content: "→";
  position: absolute;
  top: 39px;
  right: -18px;
  color: #9ab2ec;
  font-size: 14px;
}

.landing-route li span {
  color: var(--blue);
  font-size: 10px;
  font-weight: 700;
}

.landing-route li strong {
  margin-top: 12px;
  display: block;
  font-size: 15px;
}

.landing-flywheel {
  min-height: 360px;
}

.flywheel-ring {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 24px auto 0;
  border: 1px solid #b9c9ec;
  border-radius: 50%;
}

.flywheel-ring::after {
  content: "↻";
  position: absolute;
  right: 12px;
  bottom: 15px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 17px;
}

.flywheel-core {
  position: absolute;
  inset: 76px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--blue-soft);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.6;
  text-align: center;
}

.flywheel-step {
  position: absolute;
  min-width: 82px;
  padding: 8px 10px;
  border: 1px solid var(--line-blue);
  border-radius: 999px;
  background: var(--white);
  font-size: 11px;
  font-weight: 620;
  text-align: center;
}

.flywheel-step-1 { top: -14px; left: 89px; }
.flywheel-step-2 { top: 106px; right: -34px; }
.flywheel-step-3 { bottom: -14px; left: 89px; }
.flywheel-step-4 { top: 106px; left: -34px; }

.landing-foundation {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  gap: 28px;
}

.landing-foundation > div {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-left: 1px solid var(--line);
}

.landing-foundation article {
  min-height: 72px;
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line);
}

.landing-foundation article strong {
  font-size: 14px;
}

.landing-foundation article span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.landing-closing {
  margin: 22px 0 0;
  padding: 21px 26px;
  border-radius: 14px;
  color: var(--white);
  background: var(--ink);
  font-size: 15px;
  font-weight: 620;
  line-height: 1.7;
  text-align: center;
}

.service-result {
  margin-top: auto;
  padding: 22px 0 2px;
  border-top: 1px solid var(--line);
}

.service-result span {
  display: block;
  color: var(--muted-2);
  font-size: 11px;
}

.service-result strong {
  margin-top: 9px;
  display: block;
  font-size: 15px;
  line-height: 1.55;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 660px;
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-blue);
  border-radius: 22px;
  background: var(--white);
}

.service-card header strong {
  font-size: 17px;
}

.service-suitable {
  min-height: 58px;
  margin: 20px 0 0;
  padding: 13px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: 12px;
  color: #586579;
  background: var(--blue-soft);
  font-size: 12px;
  line-height: 1.7;
}

.service-suitable span {
  flex: 0 0 auto;
  color: var(--blue);
  font-weight: 700;
}

.service-card h3 {
  margin: 22px 0 0;
  font-size: 25px;
  line-height: 1.45;
  letter-spacing: -0.035em;
}

.service-flow {
  margin: 27px 0 28px;
  padding: 0;
  list-style: none;
}

.service-flow li {
  padding: 15px 0;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 11px;
  border-top: 1px solid var(--line);
}

.service-flow li:last-child {
  border-bottom: 1px solid var(--line);
}

.service-flow li > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 700;
}

.service-flow strong {
  display: block;
  font-size: 14px;
}

.service-flow p {
  margin: 5px 0 0;
  color: #77808e;
  font-size: 11px;
  line-height: 1.65;
}

.service-combination {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  padding: 18px 24px;
  border-radius: 14px;
  color: #526079;
  background: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 620;
  text-align: center;
}

.start-section {
  width: calc(100vw - 52px);
  margin: 0 auto 48px;
}

.start-panel {
  width: 100%;
  padding: 82px max(54px, calc((100vw - 1200px) / 2));
  border-radius: 38px;
  color: var(--white);
  background: var(--ink);
}

.start-copy {
  text-align: center;
}

.start-copy > p {
  color: #7da0ff;
}

.start-copy > span {
  color: rgba(255, 255, 255, 0.6);
}

.start-steps {
  margin: 47px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  border-left: 1px solid rgba(255, 255, 255, 0.17);
  list-style: none;
}

.start-steps li {
  min-height: 165px;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.17);
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
}

.start-steps li > span {
  color: #7da0ff;
  font-size: 12px;
  font-weight: 650;
}

.start-steps li strong {
  margin-top: 17px;
  display: block;
  font-size: 17px;
}

.start-steps li p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  line-height: 1.7;
}

.contact-form {
  margin-top: 28px;
  padding: 22px;
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr 1.45fr auto;
  gap: 12px;
  align-items: start;
  border-radius: 18px;
  background: var(--white);
}

.contact-form label {
  min-width: 0;
}

.contact-form label > span {
  display: block;
  color: #8a92a0;
  font-size: 11px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  height: 44px;
  margin-top: 6px;
  padding: 0;
  resize: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  font-size: 13px;
}

.contact-form textarea {
  padding-top: 12px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #a5abb4;
}

.contact-form label small {
  min-height: 15px;
  margin-top: 4px;
  display: block;
  color: #d64949;
  font-size: 10px;
}

.contact-form button {
  min-height: 48px;
  margin-top: 16px;
  padding: 0 23px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.contact-form button:disabled {
  opacity: 0.66;
}

.contact-form > p {
  grid-column: 1 / -1;
  margin: 0;
  color: #9299a4;
  font-size: 10px;
}

.contact-form > p.is-success {
  color: #39845e;
}

.contact-form > p.is-error {
  color: #d64949;
}

footer {
  width: var(--shell);
  min-height: 112px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

footer > p {
  margin: 0;
  color: #7b8390;
  font-size: 13px;
}

footer > a:last-child {
  justify-self: end;
  color: #6f7886;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Visual system v3 — refined editorial product language */
:root {
  --ink: #17191e;
  --ink-2: #24272e;
  --muted: #667083;
  --muted-2: #8a93a3;
  --line: #dfe5ee;
  --line-blue: #d5dff0;
  --blue: #3f73f3;
  --blue-strong: #2862ed;
  --blue-soft: #f1f5fc;
  --surface: #f3f6fa;
  --surface-2: #f7f9fc;
  --white: #ffffff;
  --shell: min(1440px, calc(100vw - 96px));
  --stage: min(1320px, calc(100vw - 128px));
  --font: "PingFang SC", "Hiragino Sans GB", "Avenir Next", "Microsoft YaHei", sans-serif;
}

html {
  scroll-padding-top: 76px;
}

body {
  min-width: 1180px;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
}

.site-header {
  width: 100%;
  height: 76px;
  padding: 0 max(48px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid rgba(218, 224, 234, 0.82);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 30px rgba(28, 37, 54, 0.03);
}

.brand {
  gap: 12px;
}

.brand > span {
  width: 40px;
  height: 40px;
  background: var(--blue);
  box-shadow: 0 8px 20px rgba(63, 115, 243, 0.18);
  font-size: 13px;
}

.brand strong {
  font-size: 22px;
  font-weight: 720;
  letter-spacing: -0.045em;
}

.site-header nav {
  gap: 30px;
}

.site-header nav a {
  padding: 27px 0 24px;
  color: #747e8f;
  font-size: 14px;
  font-weight: 570;
}

.site-header nav a::after {
  bottom: 14px;
  width: 22px;
  height: 3px;
  background: var(--blue);
  opacity: 0;
  transform: translateX(-50%) scaleX(0.2);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
}

.site-header nav a.is-active::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

.hero {
  position: relative;
  min-height: 700px;
  padding: 108px 0 96px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 50% 38%, rgba(63, 115, 243, 0.09), transparent 32%),
    linear-gradient(rgba(211, 220, 236, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 220, 236, 0.18) 1px, transparent 1px);
  background-size: auto, 92px 92px, 92px 92px;
  mask-image: linear-gradient(to bottom, transparent 0%, #000 20%, #000 78%, transparent 100%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 0;
  left: 50%;
  width: min(980px, 72vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, #d9e1ee, transparent);
  transform: translateX(-50%);
}

.hero-copy {
  width: min(1160px, calc(100vw - 120px));
  animation: hero-enter 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-copy h1 {
  max-width: 1120px;
  font-size: clamp(66px, 5.35vw, 86px);
  font-weight: 710;
  line-height: 1.12;
  letter-spacing: -0.065em;
}

.hero-copy > p {
  margin-top: 34px;
  color: #646e7e;
  font-size: 19px;
  line-height: 1.7;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-section {
  position: relative;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 126px 0 138px;
  overflow: hidden;
  border-radius: 0;
}

.section-blue {
  background: var(--blue-soft);
}

.section-plain {
  background: var(--white);
}

.section-heading {
  width: min(1120px, calc(100vw - 160px));
}

.section-heading h2,
.start-copy h2 {
  margin: 0;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.13;
  letter-spacing: -0.055em;
}

.section-heading > span,
.start-copy > span {
  margin-top: 24px;
  color: #6a7485;
  font-size: 18px;
  line-height: 1.75;
}

.content-stage,
.section-plain .content-stage {
  width: var(--stage);
  margin-top: 58px;
  border-radius: 0;
  background: transparent;
}

.section-tabs {
  width: var(--stage);
  margin-top: 60px;
  border-bottom-color: #d5deec;
}

.section-tabs button {
  min-height: 60px;
  color: #788294;
  font-size: 15px;
  font-weight: 590;
}

.section-tabs button::after {
  height: 3px;
}

.section-tabs button[aria-selected="true"]::after {
  width: 36px;
}

.section-tabs button:hover {
  color: var(--ink);
}

/* Definition */
.definition-stage {
  margin-top: 64px;
  padding: 0;
}

.definition-map {
  position: relative;
  min-height: 590px;
  padding: 70px 68px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px minmax(0, 1fr);
  gap: 54px;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(214, 222, 235, 0.9);
  border-radius: 38px;
  background:
    radial-gradient(circle at 50% 50%, rgba(63, 115, 243, 0.09), transparent 31%),
    var(--white);
  box-shadow: 0 28px 80px rgba(35, 48, 77, 0.06);
}

.definition-map::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background-image: radial-gradient(#cfd9ea 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, #000, transparent 64%);
  pointer-events: none;
}

.definition-column {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
}

.definition-item {
  position: relative;
  min-height: 132px;
  padding: 26px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

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

.definition-item::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 38px;
  height: 1px;
  background: linear-gradient(90deg, #cbd6e8, rgba(203, 214, 232, 0));
}

.definition-column-left .definition-item {
  grid-template-columns: 1fr 42px;
  text-align: right;
}

.definition-column-left .definition-item > div {
  grid-column: 1;
  grid-row: 1;
}

.definition-column-left .definition-index {
  grid-column: 2;
  grid-row: 1;
}

.definition-column-left .definition-item::after {
  right: -44px;
}

.definition-column-right .definition-item::after {
  left: -44px;
  transform: rotate(180deg);
}

.definition-index {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 720;
}

.definition-item h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 690;
  letter-spacing: -0.035em;
}

.definition-item strong {
  margin-top: 8px;
  display: block;
  color: #333b48;
  font-size: 14px;
}

.definition-item p {
  margin: 9px 0 0;
  color: #758092;
  font-size: 12px;
  line-height: 1.7;
}

.definition-core {
  position: relative;
  z-index: 2;
  width: 250px;
  height: 250px;
  margin: 0 auto;
  display: grid;
  place-content: center;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(145deg, #252a34, #121419);
  box-shadow:
    0 30px 70px rgba(17, 21, 29, 0.22),
    inset 0 1px rgba(255, 255, 255, 0.12);
  text-align: center;
}

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

.definition-core::before {
  inset: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.definition-core::after {
  top: 24px;
  right: 31px;
  width: 10px;
  height: 10px;
  background: #74a0ff;
  box-shadow: 0 0 0 8px rgba(116, 160, 255, 0.12);
}

.definition-core > span {
  color: #83a9ff;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.definition-core > strong {
  margin-top: 10px;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.definition-core > em {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-style: normal;
}

.definition-orbit {
  position: absolute;
  border: 1px solid rgba(63, 115, 243, 0.26);
  border-radius: 50%;
}

.definition-orbit-a {
  inset: -28px;
}

.definition-orbit-b {
  inset: -57px;
  border-color: rgba(63, 115, 243, 0.12);
}

/* Capability */
.capability-stage {
  min-height: 626px;
  padding: 0;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--white);
  box-shadow: 0 26px 74px rgba(28, 43, 71, 0.07);
}

.capability-video {
  min-height: 626px;
  padding: 48px;
  border-radius: 0;
  background:
    radial-gradient(circle at 50% 35%, rgba(101, 145, 249, 0.14), transparent 38%),
    #eef3fa;
}

.capability-video-preview {
  border: 1px solid rgba(204, 214, 229, 0.86);
  border-radius: 24px;
  box-shadow: 0 26px 70px rgba(31, 46, 73, 0.12);
}

.capability-video-preview video {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.capability-preview-play {
  width: 76px;
  height: 76px;
  background: rgba(20, 23, 29, 0.9);
  box-shadow: 0 18px 42px rgba(18, 23, 32, 0.28);
}

.capability-copy {
  padding: 82px 66px 56px;
  justify-content: center;
  background: var(--white);
}

.capability-copy h3 {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.055em;
}

.capability-copy > p {
  margin-top: 30px;
  color: #687385;
  font-size: 16px;
  line-height: 1.9;
}

.employee-list {
  margin-top: 42px;
  padding-top: 30px;
}

.employee-list div {
  gap: 10px;
}

.employee-list i {
  padding: 10px 13px;
  border: 0;
  border-radius: 10px;
  color: #4a68a4;
  background: var(--blue-soft);
  font-size: 12px;
}

.video-modal {
  padding: 42px;
  background: rgba(15, 18, 24, 0.76);
  backdrop-filter: blur(12px);
}

.video-modal-dialog {
  width: min(90vw, 1600px);
  padding: 12px;
  border-radius: 26px;
  box-shadow: 0 38px 110px rgba(0, 0, 0, 0.42);
}

.video-modal-dialog video {
  border-radius: 18px;
}

/* Role matrix */
.role-matrix {
  margin-top: 64px;
  padding: 0;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--white);
  box-shadow: 0 28px 80px rgba(35, 48, 77, 0.06);
}

.role-category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-bottom: 1px solid var(--line);
}

.role-category-grid button {
  position: relative;
  min-height: 118px;
  padding: 25px 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #596477;
  background: var(--white);
  cursor: pointer;
  transition: color 0.22s ease, background 0.22s ease;
}

.role-category-grid button:nth-child(6n) {
  border-right: 0;
}

.role-category-grid button:nth-child(n + 7) {
  border-bottom: 0;
}

.role-category-grid button > span {
  color: #a1a9b6;
  font-size: 10px;
  font-weight: 720;
}

.role-category-grid button > strong {
  font-size: 16px;
  letter-spacing: -0.02em;
}

.role-category-grid button:hover {
  color: var(--ink);
  background: #f8faff;
}

.role-category-grid button[aria-selected="true"] {
  color: var(--white);
  background: var(--ink);
}

.role-category-grid button[aria-selected="true"] > span {
  color: #86a8ff;
}

.role-detail {
  min-height: 350px;
  padding: 64px 68px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 72px;
  align-items: center;
  background:
    radial-gradient(circle at 15% 40%, rgba(63, 115, 243, 0.07), transparent 30%),
    var(--white);
}

.role-detail-copy > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 720;
}

.role-detail-copy h3 {
  max-width: 480px;
  margin: 19px 0 0;
  font-size: 42px;
  font-weight: 690;
  line-height: 1.28;
  letter-spacing: -0.05em;
}

.role-detail-copy p {
  margin: 28px 0 0;
  color: #858e9d;
  font-size: 13px;
}

.role-position-list {
  border-top: 1px solid var(--line);
}

.role-position-list article {
  min-height: 82px;
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.role-position-list article > span {
  color: #a0a8b5;
  font-size: 11px;
}

.role-position-list article > strong {
  font-size: 20px;
  letter-spacing: -0.02em;
}

.role-position-list article > i {
  color: var(--blue);
  font-size: 11px;
  font-style: normal;
  font-weight: 650;
}

/* Organization */
.organization-stage {
  min-height: 590px;
  padding: 0;
}

.organization-panel {
  min-height: 590px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--white);
  box-shadow: 0 26px 74px rgba(28, 43, 71, 0.06);
}

.org-structure {
  padding: 58px;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 70px;
  align-items: center;
}

.org-map {
  min-height: 440px;
  padding: 46px 38px;
  border: 1px solid #dbe3ef;
  border-radius: 28px;
  background:
    linear-gradient(rgba(214, 223, 237, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 223, 237, 0.22) 1px, transparent 1px),
    var(--blue-soft);
  background-size: 32px 32px;
}

.org-company {
  width: 310px;
  min-height: 100px;
  border-radius: 22px;
  background: var(--ink);
  box-shadow: 0 18px 40px rgba(22, 27, 36, 0.18);
}

.org-company strong {
  font-size: 22px;
}

.org-connector {
  height: 68px;
}

.org-actor-row {
  gap: 12px;
}

.org-actor-row button {
  min-height: 126px;
  padding: 22px 12px;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(29, 45, 75, 0.04);
}

.org-actor-row button[aria-selected="true"] {
  border-color: var(--ink);
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 14px 34px rgba(24, 29, 38, 0.18);
}

.org-detail {
  padding: 38px 28px 20px 0;
}

.org-detail h3 {
  margin-top: 18px;
  font-size: 42px;
  font-weight: 690;
  letter-spacing: -0.05em;
}

.org-detail > p {
  margin-top: 28px;
  font-size: 16px;
  line-height: 1.9;
}

.org-relation {
  margin-top: 38px;
  padding: 26px 0;
}

.org-relation p {
  font-size: 14px;
}

.org-list-panel {
  padding: 58px 60px;
}

.org-panel-head {
  align-items: flex-start;
}

.org-panel-head h3 {
  max-width: 820px;
  font-size: 36px;
  font-weight: 690;
  letter-spacing: -0.045em;
}

.org-collaboration-head > div {
  width: min(100%, 900px);
}

.org-collaboration-head p {
  margin-top: 16px;
  font-size: 15px;
}

.collaboration-map {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 46px;
  align-items: stretch;
}

.collaboration-hub {
  position: relative;
  min-height: 360px;
  padding: 30px;
  display: grid;
  place-content: center;
  border-radius: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 60% 25%, rgba(111, 154, 255, 0.34), transparent 34%),
    var(--ink);
  text-align: center;
}

.collaboration-hub::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -46px;
  width: 46px;
  height: 1px;
  background: #cdd8e9;
}

.collaboration-hub span {
  color: #86a8ff;
  font-size: 12px;
  font-weight: 700;
}

.collaboration-hub strong {
  margin-top: 14px;
  font-size: 25px;
  line-height: 1.55;
}

.collaboration-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 0;
}

.collaboration-grid article {
  position: relative;
  min-height: 180px;
  padding: 28px 30px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  border: 0;
  border-top: 1px solid var(--line);
}

.collaboration-grid article:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.collaboration-grid article:nth-child(n + 3) {
  border-bottom: 1px solid var(--line);
}

.collaboration-grid article > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-soft);
}

.collaboration-grid article h4 {
  margin: 5px 0 0;
  font-size: 21px;
}

.collaboration-grid article p {
  margin-top: 11px;
  font-size: 13px;
  line-height: 1.75;
}

.collaboration-principles {
  margin-top: 34px;
  overflow: hidden;
  border-radius: 18px;
}

.collaboration-principles article {
  min-height: 118px;
  padding: 26px 30px;
  grid-template-columns: 150px 1fr;
}

.evolution-flow {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.evolution-flow article {
  position: relative;
  min-height: 176px;
  padding: 25px 22px;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-2);
}

.evolution-flow article:not(:nth-child(4n))::after {
  content: "→";
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -13px;
  color: #9bb2e7;
  font-size: 16px;
  transform: translateY(-50%);
}

.evolution-flow article > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 10px;
  font-weight: 700;
}

.evolution-flow article strong {
  display: block;
  font-size: 16px;
  line-height: 1.45;
}

.evolution-flow article p {
  margin: 10px 0 0;
  color: #717b8c;
  font-size: 12px;
  line-height: 1.7;
}

/* Value */
#value {
  color: var(--white);
  background:
    radial-gradient(circle at 76% 34%, rgba(64, 116, 243, 0.23), transparent 26%),
    radial-gradient(circle at 16% 74%, rgba(89, 128, 221, 0.11), transparent 26%),
    var(--ink);
}

#value .section-heading h2 {
  color: var(--white);
}

#value .section-heading > span {
  color: rgba(255, 255, 255, 0.58);
}

#value .section-tabs {
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

#value .section-tabs button {
  color: rgba(255, 255, 255, 0.52);
}

#value .section-tabs button:hover,
#value .section-tabs button[aria-selected="true"] {
  color: var(--white);
}

.value-stage,
.section-blue .value-stage {
  min-height: 590px;
  padding: 0;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 76px;
  color: var(--white);
  background: transparent;
}

.value-story {
  align-self: center;
}

.value-story h3 {
  margin-top: 20px;
  font-size: 45px;
  font-weight: 690;
  line-height: 1.32;
  letter-spacing: -0.05em;
}

.value-path {
  margin-top: 38px;
  border-top-color: rgba(255, 255, 255, 0.14);
}

.value-path article {
  padding: 22px 0;
  grid-template-columns: 86px 1fr;
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.value-path article span {
  color: rgba(255, 255, 255, 0.42);
}

.value-path article p {
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.value-result {
  margin-top: 28px;
  padding: 23px 24px;
  border: 1px solid rgba(117, 157, 255, 0.34);
  border-radius: 16px;
  color: #dce7ff;
  background: rgba(63, 115, 243, 0.17);
  font-size: 15px;
}

.value-metrics {
  align-self: center;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  border: 0;
}

.metric {
  min-height: 190px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(8px);
}

.metric > span {
  color: rgba(255, 255, 255, 0.46);
}

.metric-change {
  margin-top: 28px;
  gap: 14px;
}

.metric-change del {
  color: rgba(255, 255, 255, 0.42);
}

.metric-change i {
  color: rgba(255, 255, 255, 0.3);
}

.metric-change strong {
  color: #7fa4ff;
  font-size: 32px;
}

.value-employees {
  margin-top: 7px;
  padding: 20px 4px 0;
  border-top-color: rgba(255, 255, 255, 0.13);
}

.value-employees > span {
  color: rgba(255, 255, 255, 0.42);
}

.value-employees i {
  color: rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.07);
}

.value-disclaimer {
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.38);
}

/* Landing */
.landing-section,
.cooperation-section {
  min-height: 0;
}

.landing-stage,
.service-grid {
  width: var(--stage);
  margin-top: 64px;
}

.landing-framework {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.landing-main {
  grid-template-columns: minmax(0, 1.72fr) minmax(320px, 0.78fr);
  gap: 20px;
}

.landing-route,
.landing-flywheel,
.landing-foundation {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--white);
  box-shadow: 0 22px 60px rgba(34, 48, 76, 0.05);
}

.landing-route {
  padding: 42px;
}

.landing-route h3,
.landing-flywheel h3,
.landing-foundation h3 {
  margin-top: 14px;
  font-size: 28px;
}

.landing-route ol {
  margin-top: 50px;
  gap: 18px 26px;
}

.landing-route li {
  min-height: 118px;
  padding: 24px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: var(--blue-soft);
}

.landing-route li:hover {
  border-color: #cbd8f2;
  background: #f7f9ff;
}

.landing-route li:not(:nth-child(3n))::after {
  top: 46px;
  right: -21px;
  font-size: 17px;
}

.landing-route li strong {
  margin-top: 16px;
  font-size: 17px;
}

.landing-flywheel {
  min-height: 454px;
  padding: 42px 32px;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 46%, rgba(91, 139, 255, 0.24), transparent 36%),
    var(--ink);
}

.landing-flywheel header span {
  color: #83a6fb;
}

.flywheel-ring {
  width: 278px;
  height: 278px;
  margin-top: 39px;
  border-color: rgba(133, 166, 244, 0.55);
}

.flywheel-ring::after {
  background: var(--blue);
}

.flywheel-core {
  inset: 80px;
  color: var(--white);
  background: rgba(87, 133, 243, 0.18);
}

.flywheel-step {
  color: #263044;
  border-color: transparent;
}

.flywheel-step-1 { top: -15px; left: 98px; }
.flywheel-step-2 { top: 115px; right: -39px; }
.flywheel-step-3 { bottom: -15px; left: 98px; }
.flywheel-step-4 { top: 115px; left: -39px; }

.landing-foundation {
  margin-top: 20px;
  padding: 34px 40px;
  grid-template-columns: 240px 1fr;
}

.landing-foundation > div {
  border-left-color: var(--line);
}

.landing-foundation article {
  min-height: 82px;
}

.landing-foundation article strong {
  font-size: 15px;
}

.landing-closing {
  margin-top: 20px;
  padding: 25px 28px;
  border-radius: 18px;
  font-size: 16px;
}

/* Cooperation */
.cooperation-section {
  background: var(--white);
}

.service-grid {
  gap: 20px;
  align-items: stretch;
}

.service-card {
  position: relative;
  min-height: 720px;
  padding: 38px 34px 32px;
  border-color: var(--line);
  border-radius: 28px;
  box-shadow: 0 22px 65px rgba(33, 47, 75, 0.06);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 80px rgba(33, 47, 75, 0.1);
}

.service-card-primary {
  color: var(--white);
  border-color: var(--ink);
  background:
    radial-gradient(circle at 70% 12%, rgba(87, 136, 255, 0.24), transparent 26%),
    var(--ink);
}

.service-card header span {
  color: var(--blue);
}

.service-card-primary header span {
  color: #82a5ff;
}

.service-card header strong {
  font-size: 18px;
}

.service-card h3 {
  margin-top: 28px;
  font-size: 30px;
  line-height: 1.42;
}

.service-suitable {
  min-height: 68px;
  margin-top: 26px;
  padding: 16px 17px;
  border-radius: 14px;
  font-size: 13px;
}

.service-card-primary .service-suitable {
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.08);
}

.service-card-primary .service-suitable span {
  color: #8eafff;
}

.service-flow {
  margin-top: 30px;
}

.service-flow li {
  padding: 17px 0;
}

.service-card-primary .service-flow li,
.service-card-primary .service-result {
  border-color: rgba(255, 255, 255, 0.13);
}

.service-card-primary .service-flow li > span {
  color: #9ab7ff;
  background: rgba(255, 255, 255, 0.08);
}

.service-flow strong {
  font-size: 15px;
}

.service-flow p {
  margin-top: 6px;
  font-size: 12px;
}

.service-card-primary .service-flow p {
  color: rgba(255, 255, 255, 0.48);
}

.service-card-primary .service-result span {
  color: rgba(255, 255, 255, 0.42);
}

.service-combination {
  margin-top: 12px;
  padding: 21px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-2);
}

/* CTA and footer */
.start-section {
  width: 100%;
  margin: 0;
  padding: 60px 0 68px;
  background: var(--white);
}

.start-panel {
  width: var(--stage);
  margin: 0 auto;
  padding: 90px 72px 72px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 75% 20%, rgba(80, 128, 244, 0.22), transparent 25%),
    var(--ink);
}

.start-copy > span {
  max-width: 820px;
}

.contact-form {
  margin-top: 38px;
  padding: 26px 28px;
  border-radius: 20px;
}

.contact-form button {
  min-height: 52px;
  padding: 0 27px;
  background: var(--blue);
}

.contact-form button:hover {
  background: var(--blue-strong);
}

footer {
  width: var(--shell);
  min-height: 126px;
}

footer > p,
footer > a:last-child {
  font-size: 12px;
}

/* Motion is concentrated on entry and interaction; content stays visible by default. */
.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy {
    animation: none;
  }
}

/* Why us v2 — aligned with the site's dark enterprise visual language */
.why-section {
  padding: 96px 0 108px;
  background: var(--surface-2);
}

.why-section .section-heading {
  width: var(--stage);
  margin: 0 auto;
  text-align: center;
}

.why-section .section-heading h2::before {
  width: 48px;
}

.why-grid {
  margin-top: 48px;
  gap: 0;
  overflow: hidden;
  border: 0;
  border-radius: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(63, 115, 243, 0.2), transparent 34%),
    var(--ink);
  box-shadow: 0 30px 76px rgba(18, 23, 32, 0.18);
}

.why-card {
  min-height: 310px;
  padding: 42px 46px 40px;
  border: 0;
  border-radius: 0;
  color: var(--white);
  background: transparent;
  transition: background 0.22s ease;
}

.why-card + .why-card {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.why-card:hover {
  border-color: transparent;
  background: rgba(255, 255, 255, 0.035);
  transform: none;
}

.why-icon {
  width: 50px;
  height: 50px;
  border: 1px solid rgba(117, 157, 255, 0.28);
  border-radius: 14px;
  color: #83a6fb;
  background: rgba(63, 115, 243, 0.12);
}

.why-icon svg {
  width: 31px;
  height: 31px;
  stroke-width: 2.6;
}

.why-card h3 {
  margin-top: 26px;
  color: var(--white);
  font-size: 22px;
  font-weight: 690;
}

.why-card ul {
  margin-top: 28px;
  gap: 0;
}

.why-card li {
  min-height: 52px;
  padding: 14px 0 14px 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.65;
}

.why-card li::before {
  top: 15px;
  width: 19px;
  height: 19px;
  border-width: 1.5px;
  border-color: #7ea2ff;
  color: #7ea2ff;
  background: rgba(63, 115, 243, 0.08);
}

/* Visual refinement v4 — denser rhythm, fewer containers, stronger priorities */
:root {
  --line: #e2e7ef;
  --surface: #f5f7fa;
  --surface-2: #f8f9fb;
}

.hero {
  min-height: 620px;
  padding: 88px 0 76px;
}

.hero-copy h1 {
  font-size: clamp(62px, 5vw, 80px);
}

.hero-copy > p {
  margin-top: 28px;
}

.page-section {
  padding: 98px 0 108px;
}

.section-heading h2,
.start-copy h2 {
  font-size: 52px;
}

.section-heading > span,
.start-copy > span {
  margin-top: 18px;
}

.content-stage,
.section-plain .content-stage {
  margin-top: 46px;
}

.section-tabs {
  margin-top: 44px;
}

.section-tabs button {
  min-height: 54px;
}

#capabilities,
#organization,
#cooperation {
  background: var(--surface-2);
}

/* Keep the definition visual distinctive without making it feel like a large card. */
.definition-stage,
.role-matrix {
  margin-top: 48px;
}

.definition-map {
  min-height: 520px;
  padding: 52px 58px;
  border-radius: 26px;
  box-shadow: 0 18px 54px rgba(35, 48, 77, 0.045);
}

.definition-item {
  min-height: 112px;
  padding: 20px 0;
}

.definition-item h3 {
  font-size: 22px;
}

.definition-core {
  width: 224px;
  height: 224px;
}

.definition-core > strong {
  font-size: 28px;
}

/* The work-demo section remains the primary product moment. */
.capability-stage {
  min-height: 570px;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
  border-radius: 26px;
  box-shadow: 0 24px 70px rgba(27, 42, 70, 0.08);
}

.capability-video {
  min-height: 570px;
  padding: 38px;
}

.capability-video-preview {
  border-radius: 18px;
  box-shadow: 0 20px 56px rgba(31, 46, 73, 0.11);
}

.capability-copy {
  padding: 60px 54px 48px;
}

.capability-copy h3 {
  font-size: 42px;
}

.capability-copy > p {
  margin-top: 24px;
}

.employee-list {
  margin-top: 32px;
  padding-top: 24px;
}

/* Matrixes use lines and typography instead of heavy card shadows. */
.role-matrix,
.organization-panel {
  border-radius: 26px;
  box-shadow: 0 18px 54px rgba(35, 48, 77, 0.045);
}

.role-category-grid button {
  min-height: 98px;
  padding: 20px;
}

.role-detail {
  min-height: 310px;
  padding: 50px 58px;
}

.role-detail-copy h3 {
  font-size: 38px;
}

.role-detail-copy p {
  margin-top: 22px;
}

.role-position-list article {
  min-height: 72px;
}

/* Organization is the conceptual centre of the story. */
.organization-stage,
.organization-panel {
  min-height: 520px;
}

.org-structure {
  padding: 46px;
  gap: 58px;
}

.org-map {
  min-height: 390px;
  padding: 36px 32px;
  border-radius: 22px;
}

.org-company {
  min-height: 88px;
  border-radius: 18px;
}

.org-connector {
  height: 54px;
}

.collaboration-map {
  padding: 52px 54px;
}

.evolution-flow {
  margin-top: 36px;
  gap: 12px;
}

.evolution-flow article {
  min-height: 154px;
  padding: 22px 18px;
  border-radius: 14px;
}

.collaboration-principles {
  margin-top: 26px;
  border-radius: 14px;
}

.collaboration-principles article {
  min-height: 98px;
  padding: 22px 26px;
}

/* Value stays dramatic, but no longer occupies an oversized stage. */
.value-stage,
.section-blue .value-stage {
  min-height: 520px;
  gap: 58px;
}

.value-story h3 {
  font-size: 41px;
}

.value-path {
  margin-top: 30px;
}

.value-path article {
  padding: 18px 0;
}

.metric {
  min-height: 166px;
  padding: 26px;
  border-radius: 16px;
}

.metric-change {
  margin-top: 22px;
}

.metric-change strong {
  font-size: 29px;
}

/* Landing is a path, not another collection of cards. */
.landing-stage,
.service-grid {
  margin-top: 48px;
}

.landing-main {
  gap: 16px;
}

.landing-route,
.landing-flywheel,
.landing-foundation {
  border-radius: 22px;
  box-shadow: none;
}

.landing-route {
  padding: 34px;
}

.landing-route ol {
  margin-top: 38px;
  gap: 14px 22px;
}

.landing-route li {
  min-height: 102px;
  padding: 20px;
  border-radius: 14px;
}

.landing-flywheel {
  min-height: 414px;
  padding: 34px 28px;
}

.flywheel-ring {
  width: 250px;
  height: 250px;
  margin-top: 34px;
}

.flywheel-core {
  inset: 70px;
}

.flywheel-step-1 { top: -15px; left: 84px; }
.flywheel-step-2 { top: 101px; right: -39px; }
.flywheel-step-3 { bottom: -15px; left: 84px; }
.flywheel-step-4 { top: 101px; left: -39px; }

.landing-foundation {
  margin-top: 16px;
  padding: 28px 34px;
}

.landing-closing {
  margin-top: 16px;
  padding: 20px 24px;
}

/* Services read as three clear choices, with one deliberate focal option. */
.service-grid {
  gap: 16px;
}

.service-card {
  min-height: 640px;
  padding: 32px 30px 28px;
  border-radius: 22px;
  box-shadow: none;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 52px rgba(33, 47, 75, 0.08);
}

.service-card h3 {
  margin-top: 22px;
  font-size: 28px;
}

.service-suitable {
  min-height: 60px;
  margin-top: 20px;
  padding: 14px 15px;
}

.service-flow {
  margin-top: 22px;
}

.service-flow li {
  padding: 13px 0;
}

.service-combination {
  padding: 18px 20px;
}

.start-section {
  padding: 44px 0 54px;
}

.start-panel {
  padding: 72px 64px 58px;
  border-radius: 28px;
}

.contact-form {
  margin-top: 30px;
  border-radius: 16px;
}

/* Hero signature typography */
.hero-copy h1 {
  font-family:
    "Alibaba PuHuiTi 3.0",
    "HarmonyOS Sans SC",
    "Source Han Sans SC",
    "Noto Sans CJK SC",
    "PingFang SC",
    sans-serif;
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: -0.072em;
}

.hero-keyword {
  display: inline-block;
  color: transparent;
  background: linear-gradient(
    102deg,
    #ff5a00 0%,
    #f20b38 34%,
    #c40091 62%,
    #7135e8 82%,
    #319cb7 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Why us */
.why-section {
  width: 100%;
  padding: 96px 0 108px;
  background: var(--white);
}

.why-section .section-heading {
  width: var(--stage);
  text-align: left;
}

.why-grid {
  width: var(--stage);
  margin: 46px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.why-card {
  min-height: 340px;
  padding: 38px 40px 36px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.why-card:hover {
  border-color: #bdcbe4;
  transform: translateY(-3px);
}

.why-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  color: var(--blue);
}

.why-icon svg {
  width: 48px;
  height: 48px;
  stroke: currentColor;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.why-card h3 {
  margin: 25px 0 0;
  color: var(--blue-strong);
  font-size: 24px;
  font-weight: 720;
  letter-spacing: -0.03em;
}

.why-card ul {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  list-style: none;
}

.why-card li {
  position: relative;
  padding-left: 34px;
  color: #2f3744;
  font-size: 15px;
  line-height: 1.65;
}

.why-card li::before {
  content: "✓";
  position: absolute;
  top: 0.05em;
  left: 0;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border: 2px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

/* Hero — enterprise premium redesign v5 */
.hero {
  position: relative;
  min-height: 720px;
  padding: 134px 0 116px;
  isolation: isolate;
  overflow: hidden;
}

/* Layer 1: refined grid + top spotlight */
.hero::before {
  content: "";
  position: absolute;
  z-index: -3;
  inset: 0;
  background:
    radial-gradient(ellipse 72% 52% at 50% -4%, rgba(63, 115, 243, 0.08), transparent 62%),
    linear-gradient(180deg, rgba(23, 25, 30, 0.025) 0%, transparent 28%),
    linear-gradient(rgba(211, 220, 236, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 220, 236, 0.2) 1px, transparent 1px);
  background-size: auto, auto, 80px 80px, 80px 80px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 68%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 68%, transparent 100%);
}

/* Layer 2: floating atmospheric orbs */
.hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 14% 22%, rgba(63, 115, 243, 0.16) 0%, transparent 11%),
    radial-gradient(circle at 86% 16%, rgba(63, 115, 243, 0.12) 0%, transparent 10%),
    radial-gradient(circle at 10% 74%, rgba(63, 115, 243, 0.1) 0%, transparent 9%),
    radial-gradient(circle at 90% 78%, rgba(63, 115, 243, 0.13) 0%, transparent 11%),
    radial-gradient(circle at 50% 48%, rgba(63, 115, 243, 0.05) 0%, transparent 28%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  width: min(1160px, calc(100vw - 120px));
  text-align: center;
  animation: hero-enter 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Accent bar above title */
.hero-copy::before {
  content: "";
  position: absolute;
  top: -48px;
  left: 50%;
  width: 44px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-strong) 100%);
  transform: translateX(-50%);
  box-shadow: 0 6px 18px rgba(63, 115, 243, 0.28);
}

/* Bottom separator */
.hero-copy::after {
  content: "";
  position: absolute;
  bottom: -104px;
  left: 50%;
  width: min(980px, 72vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, #d9e1ee, transparent);
  transform: translateX(-50%);
}

.hero-copy h1 {
  max-width: 1140px;
  margin: 0 auto;
  font-family: "Alibaba PuHuiTi 3.0", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", sans-serif;
  font-size: clamp(62px, 5vw, 82px);
  font-weight: 780;
  line-height: 1.1;
  letter-spacing: -0.065em;
}

/* Premium keyword — restrained deep-blue gradient */
.hero-keyword {
  position: relative;
  display: inline-block;
  color: transparent;
  background: linear-gradient(
    108deg,
    #2563eb 0%,
    #1d4ed8 48%,
    #1e3a8a 100%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Subtle underline accent under "数字员工" */
.hero-keyword::after {
  content: "";
  position: absolute;
  left: 2%;
  right: 2%;
  bottom: -10px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, transparent 92%);
  opacity: 0.5;
}

.hero-copy > p {
  max-width: 740px;
  margin: 38px auto 0;
  color: #5a6478;
  font-size: 19px;
  line-height: 1.78;
  letter-spacing: 0.005em;
}

/* ============================================
   Section-wide visual system v6 — premium enterprise
   ============================================ */

/* 1. Editorial accent bar on all section headings */
.section-heading h2::before {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin: 0 auto 20px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-strong) 100%);
  box-shadow: 0 4px 14px rgba(63, 115, 243, 0.24);
}

/* Dark section heading accent (Value) */
#value .section-heading h2::before {
  background: linear-gradient(90deg, #5a8aff 0%, #8eb1ff 100%);
  box-shadow: 0 4px 14px rgba(90, 138, 255, 0.35);
}

/* 2. Fix rainbow gradient in capability video preview text */
.capability-video-center strong[style*="gradient"],
.capability-video-center strong[style*="ff5a00"],
.capability-video-center strong[style*="f20b38"],
.capability-video-center strong[style*="c40091"],
.capability-video-center strong[style*="7135e8"],
.capability-video-preview strong[style*="gradient"] {
  background: linear-gradient(108deg, #2563eb 0%, #1d4ed8 48%, #1e3a8a 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}

/* 3. Tab active indicator enhancement */
.section-tabs button[aria-selected="true"]::after {
  width: 40px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-strong) 100%);
}

#value .section-tabs button[aria-selected="true"]::after {
  background: linear-gradient(90deg, #5a8aff 0%, #8eb1ff 100%);
}

/* 4. Role category grid refinements */
.role-category-grid button {
  transition: all 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.role-category-grid button[aria-selected="true"] {
  background: linear-gradient(160deg, #1c2027, #2a2f3a);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
}

.role-detail {
  background:
    radial-gradient(circle at 15% 40%, rgba(63, 115, 243, 0.08), transparent 32%),
    var(--white);
}

/* 5. Role card hover refinement */
.role-card {
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.role-card:hover {
  border-color: #c4d4ec;
  box-shadow: 0 18px 48px rgba(35, 52, 84, 0.1);
  transform: translateY(-3px);
}

/* 6. Organization panel refinements */
.org-map {
  border-color: #cdd7e7;
  box-shadow: inset 0 0 50px rgba(63, 115, 243, 0.04);
}

.org-actor-row button {
  transition: all 0.22s ease;
}

.org-actor-row button[aria-selected="true"] {
  background: linear-gradient(160deg, #1c2027, #2a2f3a);
  box-shadow: 0 14px 36px rgba(24, 29, 38, 0.2);
}

/* 7. Collaboration grid hover */
.collaboration-grid article {
  transition: background 0.22s ease;
}

.collaboration-grid article:hover {
  background: #f8faff;
}

/* 8. Evolution flow refinements */
.evolution-flow article {
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.evolution-flow article:hover {
  border-color: #c4d4ec;
  box-shadow: 0 14px 38px rgba(35, 52, 84, 0.09);
  transform: translateY(-3px);
}

/* 9. Value section metric cards */
.metric {
  transition: all 0.3s ease;
}

.metric:hover {
  border-color: rgba(117, 157, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

.value-path article {
  transition: background 0.2s ease;
}

.value-path article:hover {
  background: rgba(255, 255, 255, 0.035);
}

/* 10. Landing section route cards */
.landing-route li {
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.landing-route li:hover {
  border-color: #c4d4ec;
  background: #f5f8ff;
  transform: translateY(-3px);
  box-shadow: 0 14px 38px rgba(35, 52, 84, 0.1);
}

.landing-flywheel {
  box-shadow: 0 28px 72px rgba(18, 23, 32, 0.22);
}

/* 11. Service cards premium hover */
.service-card {
  transition: all 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 32px 80px rgba(33, 47, 75, 0.14);
}

.service-card-primary {
  box-shadow: 0 28px 72px rgba(18, 23, 32, 0.24);
}

.service-card-primary:hover {
  box-shadow: 0 36px 90px rgba(18, 23, 32, 0.32);
}

/* 12. Capability video preview enhancement */
.capability-video-preview {
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.capability-video-preview:hover {
  box-shadow: 0 32px 84px rgba(31, 46, 73, 0.18);
  transform: scale(1.008);
}

.capability-preview-play {
  background: rgba(20, 23, 29, 0.9);
  backdrop-filter: blur(4px);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.capability-video-preview:hover .capability-preview-play {
  background: var(--blue);
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 12px 36px rgba(63, 115, 243, 0.35);
}

/* 13. CTA form refinements */
.contact-form input:focus,
.contact-form textarea:focus {
  border-bottom-color: var(--blue);
  outline: none;
}

.contact-form button {
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 8px 26px rgba(63, 115, 243, 0.26);
}

.contact-form button:hover {
  background: var(--blue-strong);
  box-shadow: 0 12px 32px rgba(63, 115, 243, 0.36);
  transform: translateY(-2px);
}

/* 14. Start section panel enhancement */
.start-panel {
  box-shadow: 0 36px 90px rgba(18, 23, 32, 0.2);
}

/* 15. Definition core enhancement */
.definition-core {
  box-shadow:
    0 30px 70px rgba(17, 21, 29, 0.24),
    inset 0 1px rgba(255, 255, 255, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.definition-orbit-a {
  border-color: rgba(63, 115, 243, 0.3);
}

.definition-orbit-b {
  border-color: rgba(63, 115, 243, 0.16);
}

.definition-map {
  box-shadow:
    0 18px 54px rgba(35, 48, 77, 0.05),
    0 0 0 1px rgba(214, 222, 235, 0.6);
}

/* 16. Footer refinement */
footer {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: 44px;
  padding-bottom: 44px;
}

footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.5;
  transform: translateX(-50%);
}

/* 17. Employee list tag refinement */
.employee-list i {
  transition: all 0.2s ease;
}

.employee-list i:hover {
  background: #e8efff;
  border-color: #c8d8f0;
}

/* 18. Value employees tag refinement */
.value-employees i {
  transition: all 0.2s ease;
}

.value-employees i:hover {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
}

/* 19. Landing closing bar refinement */
.landing-closing {
  box-shadow: 0 12px 36px rgba(18, 23, 32, 0.14);
}

/* 20. Capability video area atmospheric glow */
.capability-video {
  background:
    radial-gradient(circle at 50% 30%, rgba(101, 145, 249, 0.12), transparent 42%),
    radial-gradient(circle at 80% 70%, rgba(63, 115, 243, 0.06), transparent 32%),
    #eef3fa;
}

/* 21. Role matrix atmospheric background */
.role-matrix {
  background:
    radial-gradient(circle at 90% 10%, rgba(63, 115, 243, 0.04), transparent 28%),
    var(--white);
}

/* 22. Organization panel atmospheric background */
.organization-panel {
  background:
    radial-gradient(circle at 10% 90%, rgba(63, 115, 243, 0.04), transparent 28%),
    var(--white);
}

/* 23. Cooperation section heading wider accent */
#cooperation .section-heading h2::before {
  width: 48px;
}

/* ============================================
   Typography audit v7 — size harmonization
   ============================================ */

/* Definition: item descriptions too small for desktop body text */
.definition-item p {
  font-size: 13px;
}

/* Definition: item titles need slightly more presence vs section heading */
.definition-item h3 {
  font-size: 24px;
}

/* Role matrix: category index labels barely legible */
.role-category-grid button > span {
  font-size: 11px;
}

/* Role matrix: position tags too small for label text */
.role-position-list article > i {
  font-size: 12px;
}

/* Value: employee tags hard to read on dark background */
.value-employees i {
  font-size: 12px;
}

/* Landing: route step labels extremely small */
.landing-route li span {
  font-size: 11px;
}

/* Landing: foundation item descriptions too small */
.landing-foundation article span {
  font-size: 12px;
}

/* Cooperation: service flow descriptions too cramped */
.service-flow p {
  font-size: 13px;
}

/* Cooperation: highlighted suitability text should be readable */
.service-suitable {
  font-size: 14px;
}

/* Cooperation: result label too small */
.service-result span {
  font-size: 12px;
}

/* CTA: form labels too small for field identification */
.contact-form label > span {
  font-size: 13px;
}

/* CTA: primary action button should feel more prominent */
.contact-form button {
  font-size: 14px;
}

/* Evolution flow: body text too small */
.evolution-flow article p {
  font-size: 13px;
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy {
    animation: none;
  }
}