:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --white: #fff;
  --text: #172b2b;
  --muted: #58656c;
  --green: #137a6c;
  --mint: #c2ebd5;
  --soft: #eff5ee;
  --line: #dce5dc;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
h1,
h2,
h3,
p {
  margin: 0;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 5px;
}
[hidden] {
  display: none !important;
}
.container {
  width: min(1180px, calc(100% - 80px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  background: var(--text);
  color: white;
  padding: 12px 20px;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: none;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 251, 248, 0.96);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}
.brand img {
  width: 110px;
  height: auto;
}
.brand > span {
  border-left: 1px solid #c9d5cd;
  padding-left: 15px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.6px;
}
.nav nav {
  display: flex;
  gap: 34px;
}
.nav nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 52px;
  padding: 12px 24px;
  background: var(--text);
  color: var(--white);
  border: 1px solid var(--text);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #2c4c3d;
  transform: translateY(-2px);
}
.button > span {
  font-size: 21px;
  line-height: 1;
}
.button-small {
  min-height: 44px;
  padding: 9px 18px;
  font-size: 14px;
  gap: 15px;
}
.button-secondary {
  background: transparent;
  border-color: #cbd6ce;
  color: var(--text);
  gap: 10px;
}
.button-secondary:hover {
  background: var(--soft);
}
.button-secondary svg {
  width: 16px;
  height: 16px;
}
.hero {
  padding: 78px 0 0;
}
.hero-copy {
  text-align: center;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.08em;
  margin-bottom: 23px;
}
.hero-copy .eyebrow,
.center-head .eyebrow {
  justify-content: center;
}
.brand-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
h1 {
  font-size: clamp(42px, 4.7vw, 66px);
  line-height: 1.28;
  font-weight: 600;
  letter-spacing: -0.055em;
}
.accent-word {
  color: var(--green);
  position: relative;
  display: inline-block;
}
.accent-word svg {
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 14px;
  stroke: #9fd5b3;
  stroke-width: 5px;
}
.hero-description {
  margin-top: 29px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 29px;
}
.hero-note {
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted);
}
.hero-note span {
  padding: 0 10px;
  color: #829287;
}
.audience-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  min-height: 125px;
  color: var(--muted);
  font-size: 13px;
}
.audience-line > span {
  font-size: 12px;
}
.audience-line > div {
  display: flex;
  align-items: center;
  gap: 22px;
}
.audience-line i {
  height: 3px;
  width: 3px;
  border-radius: 50%;
  background: #a9b9aa;
}
.section {
  padding: 102px 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 48px;
  margin-bottom: 49px;
}
h2 {
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.35;
  font-weight: 550;
  letter-spacing: -0.04em;
}
.section-head > p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  padding-bottom: 3px;
  max-width: 390px;
}
.section .eyebrow {
  margin-bottom: 16px;
}
.workflow {
  border-top: 1px solid var(--line);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.step-number {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #bbcdbc;
  padding-top: 19px;
  padding-bottom: 25px;
  color: var(--green);
  font-size: 13px;
}
.step-number > span {
  font-size: 22px;
  font-weight: 400;
}
h3 {
  font-weight: 550;
  font-size: 20px;
  line-height: 1.5;
}
.steps p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 12px;
  max-width: 310px;
}
.scenes {
  background: #f0f4ed;
}
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.scene-card {
  background: var(--bg);
  padding: 29px 26px 23px;
  border-radius: 12px;
  border: 1px solid #e0e7da;
}
.scene-index {
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.scene-card h3 {
  margin-top: 23px;
  font-size: 23px;
  line-height: 1.6;
  letter-spacing: -0.03em;
}
.scene-prompt {
  font-size: 13px;
  color: var(--muted);
  margin-top: 21px;
  line-height: 1.9;
}
.scene-output {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: center;
}
.scene-output > svg {
  color: var(--green);
}
.scene-output strong {
  display: block;
  font-size: 12px;
  font-weight: 500;
}
.scene-output div > span {
  display: block;
  font-size: 10px;
  margin-top: 3px;
  color: var(--muted);
}
.scene-output > span {
  margin-left: auto;
  font-size: 19px;
}
.center-head {
  text-align: center;
}
.center-head > p:last-child {
  margin-top: 20px;
  color: var(--muted);
  font-size: 15px;
}
.preview-tabs {
  width: fit-content;
  max-width: 100%;
  display: flex;
  gap: 4px;
  margin: 30px auto;
  padding: 5px;
  border-radius: 9px;
  background: #edf1e9;
}
.preview-tabs button {
  border: 0;
  padding: 10px 25px;
  min-height: 44px;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 14px;
  transition: background 0.2s;
}
.preview-tabs button[aria-selected="true"] {
  background: var(--white);
  color: var(--text);
  box-shadow: 0 1px 4px #2135290c;
}
.preview-tabs button:hover {
  color: var(--green);
}
.preview-panel {
  max-width: 1060px;
  margin-inline: auto;
}
.product-image {
  display: block;
  position: relative;
  padding: 9px;
  background: #e7ede2;
  border: 1px solid #dbe4d6;
  border-radius: 16px;
  overflow: hidden;
}
.product-image img {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #161918;
}
.preview-description {
  display: grid;
  grid-template-columns: 0.95fr 1fr auto;
  align-items: start;
  gap: 35px;
  padding: 26px 3px 0;
}
.preview-description h3 {
  font-size: 19px;
}
.preview-description p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}
.preview-count {
  font-size: 11px;
  color: var(--muted);
  padding-top: 4px;
}
.service {
  border-top: 1px solid var(--line);
}
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.service-intro > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
  margin-top: 22px;
  line-height: 1.9;
}
.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  margin-top: 20px;
  text-decoration: underline;
  text-decoration-color: #a7b9a6;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
}
.service-list article {
  display: flex;
  gap: 23px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.service-list article:first-child {
  padding-top: 0;
}
.service-number {
  font-size: 11px;
  padding-top: 6px;
  color: var(--green);
}
.service-list h3 {
  font-size: 19px;
}
.service-list p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 9px;
  line-height: 1.8;
}
.faq {
  padding-top: 30px;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 70px;
}
.faq h2 {
  font-size: 34px;
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  min-height: 75px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-size: 15px;
  list-style: none;
  padding: 16px 0;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary > span {
  color: var(--green);
  font-size: 23px;
  transition: transform 0.2s;
}
.faq details[open] summary > span {
  transform: rotate(45deg);
}
.faq details p {
  color: var(--muted);
  font-size: 14px;
  padding: 0 30px 24px 0;
  line-height: 1.85;
}
.faq details a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.closing {
  background: #e5f0e0;
  padding: 66px 0;
}
.closing-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.closing .eyebrow {
  margin-bottom: 15px;
}
.closing h2 {
  font-size: 37px;
}
.closing p:last-child {
  color: var(--muted);
  margin-top: 14px;
  font-size: 14px;
}
footer {
  padding: 52px 0 20px;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 34px;
}
.footer-main > div > p {
  color: var(--muted);
  font-size: 12px;
  margin-top: 20px;
}
.footer-contact {
  display: grid;
  gap: 3px;
}
.footer-contact a {
  min-height: 32px;
  font-size: 13px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 20px;
}
.footer-contact a:hover {
  text-decoration: underline;
}
.footer-main .footer-contact p {
  margin-top: 6px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--muted);
}
.footer-bottom > div {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-bottom a {
  padding-block: 8px;
}

/* 品牌主视觉：围绕一个目标发生协作。 */
.container {
  width: min(1240px, calc(100% - 96px));
}
.nav {
  background: rgba(247, 248, 250, 0.96);
}
.nav-inner {
  height: 86px;
}
.brand img {
  width: 108px;
}
.brand > span {
  font-size: 20px;
  letter-spacing: -0.5px;
}
.nav nav {
  gap: 26px;
}
.button {
  border-radius: 9px;
  background: #163d37;
  border-color: #163d37;
}
.button:hover {
  background: #216455;
}
.button-secondary {
  background: transparent;
  border-color: #b9c9c8;
  color: var(--text);
}
.button-secondary:hover {
  background: #e3efeb;
}
.hero {
  position: relative;
  padding-top: 20px;
  overflow: clip;
  background:
    radial-gradient(ellipse at 88% 40%, #e8f1fb 0, transparent 53%),
    linear-gradient(160deg, #fafcf9, #f1f5f6);
}
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1.13fr;
  align-items: center;
  gap: 20px;
  min-height: 690px;
}
.hero-copy {
  text-align: left;
  position: relative;
  z-index: 2;
  padding: 36px 0 30px;
}
.hero-copy .eyebrow {
  justify-content: flex-start;
  font-size: 12px;
  letter-spacing: 0.05em;
  margin-bottom: 27px;
}
h1 {
  font-size: clamp(43px, 4.6vw, 65px);
  line-height: 1.28;
  font-weight: 600;
  letter-spacing: -0.045em;
}
.accent-word {
  color: #128273;
}
.accent-word svg {
  stroke: #92d7c5;
}
.hero-description {
  max-width: 500px;
  font-size: 16px;
  line-height: 1.9;
  margin-top: 30px;
}
.hero-actions {
  justify-content: flex-start;
  gap: 12px;
  margin-top: 28px;
}
.hero-note {
  font-size: 11px;
  margin-top: 17px;
}
.hero-note span {
  padding: 0 8px;
}
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 43px;
}
.hero-metrics > span {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 10px;
}
.hero-metrics b {
  color: #749a92;
  font-size: 11px;
  font-weight: 400;
  padding-top: 4px;
}
.hero-metrics strong {
  font-size: 15px;
  font-weight: 500;
}
.hero-metrics small {
  color: var(--muted);
  grid-column: 2;
  font-size: 10px;
  white-space: nowrap;
}
.hero-metrics i {
  width: 20px;
  height: 1px;
  background: #b6c9c3;
}
.goal-universe {
  position: relative;
  height: 590px;
  isolation: isolate;
}
.universe-backdrop {
  position: absolute;
  inset: 75px 25px 75px 30px;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 30% 40%, #c1efd9c9, transparent 65%),
    radial-gradient(ellipse at 70% 55%, #bcd6f799, transparent 67%);
  filter: blur(22px);
  z-index: -1;
}
.universe-label {
  position: absolute;
  top: 30px;
  left: 38px;
  color: #5d7d7b;
  font-size: 12px;
  letter-spacing: 0.09em;
}
.universe-caption {
  position: absolute;
  bottom: 10px;
  right: 10px;
  color: #5b7372;
  font-size: 10px;
}
.universe-orbits {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  overflow: visible;
}
.universe-orbits ellipse {
  stroke: url(#orbit-color);
  stroke-width: 1.2;
  fill: none;
}
.universe-orbits .orbit-outer {
  stroke: #9db6c5;
  stroke-dasharray: 3 7;
  opacity: 0.55;
}
.universe-orbits .orbit-dot {
  fill: #429e8b;
  stroke: #f4fbfa;
  stroke-width: 3;
}
.universe-orbits .orbit-path {
  stroke: #c0cdca;
  stroke-width: 0.6;
  fill: none;
}
.universe-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 186px;
  height: 186px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #e6f7ec 60%, #b4d6d6);
  border: 1px solid #fff;
  box-shadow:
    inset -10px -12px 24px #9ac6c955,
    0 23px 50px #3f776e20,
    0 0 0 12px #ffffff4f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.core-mark {
  width: 64px;
  height: 64px;
  margin-bottom: 8px;
}
.core-mark img {
  height: 100%;
  width: auto;
  margin-inline: auto;
}
.universe-core strong {
  font-size: 23px;
  font-weight: 550;
  letter-spacing: -0.04em;
}
.universe-core > span {
  font-size: 10px;
  color: #486d65;
  margin-top: 3px;
}
.orbit-node {
  display: flex;
  gap: 12px;
  align-items: center;
  position: absolute;
  padding: 14px 18px;
  background: #fffffff0;
  border: 1px solid #fff;
  border-radius: 13px;
  box-shadow: 0 10px 30px #3a665b12;
}
.orbit-node strong {
  display: block;
  font-size: 14px;
  font-weight: 550;
}
.orbit-node div > span {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}
.node-icon {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  color: #237c66;
  background: #e1f5e9;
  font-size: 23px;
  border-radius: 9px;
}
.node-icon svg {
  width: 18px;
  height: 18px;
}
.node-top {
  top: 79px;
  right: 70px;
  transform: rotate(3deg);
}
.node-left {
  top: 201px;
  left: -8px;
  transform: rotate(-5deg);
}
.node-left .node-icon {
  background: #eee8fb;
  color: #75639c;
}
.node-right {
  top: 349px;
  right: -12px;
  transform: rotate(4deg);
}
.node-right .node-icon {
  background: #ffeedc;
  color: #9a6036;
}
.node-bottom {
  top: 431px;
  left: 49px;
  transform: rotate(-3deg);
}
.node-bottom .node-icon {
  background: #e5edf9;
  color: #53789a;
}
.audience-line {
  min-height: 91px;
  border-top: 1px solid #d5e2df;
  justify-content: space-between;
  gap: 20px;
}
.audience-line > span {
  color: var(--green);
}
.audience-line > div {
  font-size: 13px;
  letter-spacing: 0.03em;
}
.section {
  padding: 96px 0;
}
.section-head {
  align-items: end;
  gap: 60px;
}
.section-head h2 {
  font-size: clamp(29px, 3vw, 42px);
}
.section-head > p {
  max-width: 440px;
  font-size: 14px;
}
.workflow {
  border: none;
  background: #fff;
}
.workflow .section-head h2 {
  font-size: 34px;
}
.steps {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 26px;
}
.steps h3 {
  font-size: 18px;
}
.steps p {
  font-size: 13px;
  line-height: 1.9;
}
.step-number {
  font-size: 30px;
  font-weight: 400;
  color: #317e71;
  padding-top: 17px;
  padding-bottom: 17px;
  border-top-color: #bad3cb;
  letter-spacing: -0.05em;
}
.step-number > span {
  font-size: 18px;
}
.workflow-footer {
  display: flex;
  gap: 35px;
  padding: 22px 0 0;
  margin-top: 34px;
  border-top: 1px solid #e5ece9;
  color: #577169;
  font-size: 12px;
}
.workflow-footer > span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: #68af94;
  display: inline-block;
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
}
.capabilities {
  background: #f0f4f5;
}
.capability-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 22px;
}
.capability-card {
  border-radius: 19px;
  border: 1px solid #e1e7e5;
  padding: 32px;
  overflow: hidden;
  position: relative;
}
.feature-label {
  display: block;
  color: #4b776c;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.capability-card h3 {
  margin-top: 21px;
  font-size: 24px;
  letter-spacing: -0.03em;
  line-height: 1.4;
}
.capability-card p {
  max-width: 390px;
  font-size: 14px;
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.85;
}
.capability-main {
  grid-row: span 2;
  background: linear-gradient(155deg, #eef9ec 25%, #d7ece0);
  padding: 38px;
}
.capability-main h3 {
  font-size: 39px;
}
.collaboration-map {
  margin: 48px auto 5px;
  width: min(100%, 380px);
  text-align: center;
}
.map-goal {
  display: inline-block;
  font-size: 12px;
  color: #40675a;
  padding: 9px 28px;
  border: 1px solid #a9cdb9;
  border-radius: 7px;
  background: #f4fbf3;
}
.map-stem {
  height: 25px;
  width: 1px;
  background: #87b298;
  margin: 0 auto;
}
.map-lead {
  display: inline-block;
  padding: 14px 37px;
  border-radius: 9px;
  background: #254f42;
  color: #fff;
  box-shadow: 0 8px 25px #254f4220;
  font-size: 18px;
}
.map-branches {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 37px;
}
.map-branches::before {
  content: "";
  position: absolute;
  inset: -19px 15% auto;
  height: 19px;
  border: 1px solid #8cb69e;
  border-bottom: 0;
  border-radius: 5px 5px 0 0;
}
.map-branches::after {
  content: "";
  width: 1px;
  height: 37px;
  position: absolute;
  background: #8cb69e;
  top: -37px;
  left: 50%;
}
.map-branches span {
  background: #fbfef9;
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 12px 6px;
  border: 1px solid #b6d2bf;
  font-size: 12px;
  border-radius: 6px;
}
.collaboration-map small {
  display: block;
  font-size: 11px;
  color: #4e705e;
  margin-top: 23px;
}
.capability-skills {
  background: #f6f3fc;
}
.capability-skills .feature-label {
  color: #726089;
}
.capability-contact {
  background: #fff8f0;
}
.capability-contact .feature-label {
  color: #89623d;
}
.skill-stack {
  display: flex;
  gap: 8px;
  margin: 31px 0;
  flex-wrap: wrap;
}
.skill-stack span {
  display: inline-block;
  background: #fff;
  padding: 12px 13px;
  border: 1px solid #e6dff0;
  border-radius: 8px;
  color: #6b5c80;
  font-size: 12px;
  box-shadow: 0 7px 12px #7d6a9310;
  transform: rotate(-4deg);
}
.skill-stack span:nth-child(even) {
  transform: rotate(4deg) translateY(6px);
}
.contact-art {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 19px;
}
.contact-art span {
  border: 1px solid #e5d4c1;
  background: #fff;
  padding: 10px 22px;
  border-radius: 22px;
  font-size: 13px;
  color: #7f613e;
}
.contact-art i {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    #c9ac81 0 5px,
    transparent 5px 10px
  );
  max-width: 105px;
}
.scenes {
  background: #f0f4f5;
}
.scene-grid {
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.scene-card {
  background: #f6f8fa;
  padding: 30px;
  border: 1px solid #e3e8eb;
}
.scene-card h3 {
  font-size: 23px;
  margin-top: 18px;
}
.scene-prompt {
  font-size: 14px;
  max-width: 440px;
  margin-top: 14px;
}
.scene-output {
  margin-top: 24px;
  padding-top: 19px;
  align-items: flex-start;
}
.scene-output strong {
  font-size: 13px;
}
.scene-output div > span {
  font-size: 11px;
}
.scene-output > .scene-glyph {
  margin-left: 0;
  width: 31px;
  height: 31px;
  border: 1px solid #bdcfc9;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.workspace {
  background: linear-gradient(180deg, #f0f4f5, #f7f8fa);
  color: var(--text);
  margin: 0;
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}
.workspace .container {
  position: relative;
}
.workspace .eyebrow {
  color: var(--green);
}
.workspace .center-head h2 {
  font-size: clamp(27px, 3vw, 41px);
}
.workspace .center-head > p:last-child {
  color: var(--muted);
}
.preview-tabs {
  background: #e5edec;
  padding: 5px;
  border: 1px solid #d5e0dd;
  margin: 28px auto 35px;
}
.preview-tabs button {
  color: var(--muted);
  padding-inline: 29px;
}
.preview-tabs button[aria-selected="true"] {
  background: #fff;
  color: #1b4a3b;
  box-shadow: none;
}
.preview-tabs button:hover {
  color: var(--green);
}
.preview-tabs button[aria-selected="true"]:hover {
  color: #1b4a3b;
}
.product-image {
  background: #fff;
  border-color: #d5e0dd;
  border-radius: 13px;
  padding: 7px;
  box-shadow: 0 18px 40px -20px #25483c35;
}
.preview-description {
  padding-top: 30px;
}
.preview-description h3 {
  font-size: 19px;
}
.preview-description p,
.preview-count {
  color: var(--muted);
}
.workspace :focus-visible {
  outline-color: var(--green);
}
.service {
  border-top: 0;
  background: var(--bg);
}
.service-grid {
  gap: 75px;
}
.service h2 {
  font-size: 36px;
}
.faq {
  background: #fff;
  padding: 74px 0;
}
.faq h2 {
  font-size: 32px;
}
.closing {
  background: linear-gradient(105deg, #d1efe0, #e5eee7 60%, #e4eafa);
  padding: 74px 0;
  position: relative;
  overflow: hidden;
}
.closing-inner {
  position: relative;
  z-index: 1;
}
.closing h2 {
  font-size: 41px;
}
.closing .eyebrow {
  font-size: 12px;
}
.closing .button {
  flex-shrink: 0;
}
footer {
  background: #fff;
}
.footer-contact a {
  min-height: 44px;
}
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}


@media (max-width: 1200px) {
  .container {
    width: calc(100% - 64px);
  }
  .hero-layout {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .nav nav {
    gap: 20px;
  }
  .brand > span {
    font-size: 17px;
  }
  .hero-description {
    font-size: 15px;
  }
  .goal-universe {
    height: 550px;
  }
  .universe-label {
    left: 22px;
  }
  .universe-core {
    width: 155px;
    height: 155px;
  }
  .core-mark {
    width: 44px;
    height: 44px;
    margin-bottom: 4px;
  }
  .universe-core strong {
    font-size: 20px;
  }
  .orbit-node {
    padding: 12px;
    gap: 9px;
  }
  .orbit-node strong {
    font-size: 13px;
  }
  .node-top {
    right: 28px;
    top: 70px;
  }
  .node-left {
    left: -6px;
    top: 166px;
  }
  .node-right {
    right: -4px;
    top: 333px;
  }
  .node-bottom {
    left: 10px;
    top: 408px;
  }
  .universe-caption {
    bottom: -2px;
    right: 0;
  }
  .hero-metrics {
    gap: 12px;
  }
  .hero-metrics i {
    width: 14px;
  }
  .hero-metrics > span {
    gap: 0 6px;
  }
  .steps {
    gap: 19px;
  }
  .capability-main {
    padding: 30px;
  }
  .capability-card h3 {
    font-size: 23px;
  }
  .capability-main h3 {
    font-size: 36px;
  }
  .skill-stack {
    gap: 7px;
  }
  .skill-stack span {
    padding: 10px;
    font-size: 11px;
  }
  .service-grid {
    gap: 45px;
  }
  .service h2 {
    font-size: 32px;
  }
}
@media (max-width: 1000px) {
  .brand > span {
    display: none;
  }
  .nav nav {
    gap: 16px;
  }
  .nav nav a {
    font-size: 13px;
  }
  .hero-layout {
    min-height: 640px;
  }
  h1 {
    font-size: 43px;
  }
  .hero-metrics {
    display: none;
  }
  .goal-universe {
    height: 500px;
  }
  .node-icon {
    width: 29px;
    height: 29px;
    font-size: 19px;
  }
  .node-top {
    right: 12px;
    top: 56px;
  }
  .node-left {
    top: 136px;
  }
  .node-right {
    top: 307px;
  }
  .node-bottom {
    top: 375px;
  }
  .universe-caption {
    bottom: -20px;
  }
  .universe-label {
    top: 13px;
    font-size: 11px;
  }
  .hero-note {
    font-size: 10px;
  }
  .hero-note span {
    padding-inline: 4px;
  }
  .hero-actions .button {
    padding-inline: 16px;
    font-size: 13px;
    gap: 10px;
  }
  .section-head {
    gap: 35px;
  }
  .section-head > p {
    max-width: 330px;
  }
  .workflow .section-head h2 {
    font-size: 29px;
  }
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 25px;
  }
  .steps li:nth-child(4),
  .steps li:nth-child(5) {
    padding-top: 5px;
  }
  .capability-card {
    padding: 25px;
  }
  .capability-main h3 {
    font-size: 32px;
  }
  .capability-card h3 {
    font-size: 22px;
  }
  .capability-main h3 {
    font-size: 32px;
  }
  .skill-stack {
    margin-block: 22px;
  }
  .collaboration-map {
    margin-top: 60px;
  }
  .map-branches {
    gap: 7px;
  }
  .map-branches span {
    font-size: 11px;
  }
  .scene-card {
    padding: 25px;
  }
  .scene-card h3 {
    font-size: 22px;
  }
  .service-grid {
    gap: 34px;
  }
  .preview-description {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }
  .preview-count {
    display: none;
  }
  .closing h2 {
    font-size: 34px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 5px;
  }
}
@media (max-width: 800px) {
  .container {
    width: calc(100% - 48px);
  }
  .nav-inner {
    height: 72px;
    gap: 16px;
  }
  .brand > span {
    display: inline;
  }
  .nav nav {
    display: none;
  }
  .hero {
    padding-top: 15px;
  }
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .hero-copy {
    text-align: center;
    padding: 36px 0 0;
  }
  .hero-copy .eyebrow {
    justify-content: center;
  }
  h1 {
    font-size: 57px;
  }
  .hero-description {
    max-width: 550px;
    margin-inline: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-note {
    font-size: 11px;
  }
  .goal-universe {
    width: min(100%, 530px);
    margin: 18px auto 35px;
    height: 540px;
  }
  .universe-core {
    width: 177px;
    height: 177px;
  }
  .core-mark {
    width: 50px;
    height: 50px;
  }
  .node-top {
    top: 64px;
    right: 40px;
  }
  .node-left {
    top: 168px;
    left: 0;
  }
  .node-right {
    top: 323px;
    right: 0;
  }
  .node-bottom {
    top: 407px;
    left: 30px;
  }
  .universe-label {
    top: 27px;
    left: 10px;
  }
  .universe-caption {
    bottom: -17px;
    right: 20px;
  }
  .audience-line {
    justify-content: center;
    flex-direction: column;
    gap: 13px;
    padding: 22px 0;
  }
  .audience-line > div {
    gap: 17px;
  }
  .section {
    padding: 72px 0;
  }
  .section-head {
    display: block;
    margin-bottom: 36px;
  }
  .section-head > p {
    max-width: 580px;
    margin-top: 22px;
  }
  .section-head h2,
  .workflow .section-head h2 {
    font-size: 34px;
  }
  .steps {
    gap: 22px;
  }
  .steps h3 {
    font-size: 17px;
  }
  .workflow-footer {
    gap: 20px;
    font-size: 11px;
    flex-wrap: wrap;
  }
  .capability-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .capability-main {
    grid-column: 1 / -1;
    grid-row: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }
  .capability-main h3 {
    font-size: 32px;
  }
  .collaboration-map {
    margin-block: 28px 10px;
    align-self: center;
  }
  .capability-card p {
    font-size: 13px;
  }
  .capability-card h3 {
    font-size: 21px;
  }
  .capability-main h3 {
    font-size: 32px;
  }
  .skill-stack {
    min-height: 105px;
    align-content: center;
    margin-block: 15px;
  }
  .contact-art {
    min-height: 105px;
    margin-block: 15px;
    gap: 5px;
  }
  .contact-art span {
    padding: 8px 13px;
    font-size: 11px;
  }
  .scene-grid {
    gap: 16px;
  }
  .scene-card h3 {
    font-size: 20px;
  }
  .scene-prompt {
    font-size: 13px;
  }
  .scene-output > .scene-glyph {
    display: none;
  }
  .workspace {
    margin: 0;
    padding: 76px 0;
  }
  .workspace .container {
    width: calc(100% - 48px);
  }
  .workspace .center-head h2 {
    font-size: 30px;
  }
  .service h2 {
    font-size: 29px;
  }
  .service-intro > p:not(.eyebrow) {
    font-size: 14px;
  }
  .service-list h3 {
    font-size: 17px;
  }
  .service-list p {
    font-size: 13px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .faq h2 br {
    display: none;
  }
  .closing h2 {
    font-size: 30px;
  }
  .closing .eyebrow {
    font-size: 11px;
  }
  .closing-inner {
    gap: 25px;
  }
  .closing .button {
    padding-inline: 17px;
    font-size: 13px;
  }
}
@media (max-width: 540px) {
  html {
    scroll-padding-top: 88px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .brand img {
    width: 78px;
  }
  .brand {
    gap: 10px;
  }
  .brand > span {
    padding-left: 10px;
    font-size: 15px;
  }
  .nav-actions {
    gap: 7px;
  }
  .nav-inner {
    gap: 8px;
  }
  .button-small {
    padding: 8px 11px;
    font-size: 12px;
    gap: 8px;
  }
  .hero-copy {
    padding-top: 29px;
  }
  .hero-copy .eyebrow {
    font-size: 10px;
    margin-bottom: 23px;
    gap: 7px;
  }
  h1 {
    font-size: clamp(34px, 9.5vw, 47px);
    line-height: 1.34;
  }
  .hero-description {
    font-size: 14px;
    margin-top: 26px;
    line-height: 1.85;
  }
  .hero-actions {
    margin-top: 23px;
    gap: 10px;
  }
  .hero-actions .button {
    padding: 11px 15px;
    min-height: 48px;
    font-size: 13px;
  }
  .hero-note {
    font-size: 10px;
    margin-top: 16px;
  }
  .goal-universe {
    height: 405px;
    margin: 13px auto 30px;
  }
  .universe-label {
    font-size: 9px;
    top: 17px;
    left: 7px;
  }
  .universe-core {
    width: 132px;
    height: 132px;
    box-shadow:
      inset -8px -10px 20px #9ac6c955,
      0 20px 35px #3f776e20,
      0 0 0 7px #ffffff4f;
  }
  .universe-core strong {
    font-size: 18px;
  }
  .universe-core > span {
    font-size: 8px;
  }
  .core-mark {
    width: 40px;
    height: 40px;
  }
  .orbit-node {
    padding: 9px 10px;
    gap: 7px;
    border-radius: 9px;
  }
  .orbit-node strong {
    font-size: 11px;
  }
  .orbit-node div > span {
    font-size: 8px;
  }
  .node-icon {
    width: 25px;
    height: 25px;
    font-size: 17px;
    border-radius: 6px;
  }
  .node-top {
    top: 54px;
    right: 0;
  }
  .node-left {
    top: 128px;
    left: -8px;
  }
  .node-right {
    top: 244px;
    right: -9px;
  }
  .node-bottom {
    top: 306px;
    left: 0;
  }
  .universe-caption {
    font-size: 9px;
    bottom: -24px;
    right: 9px;
  }
  .universe-backdrop {
    inset: 50px -10px;
    filter: blur(16px);
  }
  .audience-line {
    min-height: 110px;
    gap: 11px;
    padding: 25px 0 20px;
  }
  .audience-line > span {
    font-size: 11px;
  }
  .audience-line > div {
    font-size: 10px;
    gap: 11px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .section {
    padding: 55px 0;
  }
  .eyebrow {
    font-size: 11px;
  }
  .section-head h2,
  .workflow .section-head h2 {
    font-size: 28px;
  }
  .section-head > p {
    font-size: 14px;
    margin-top: 19px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .steps li {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 6px 16px;
    padding: 21px 0;
    border-top: 1px solid #dbe8e1;
  }
  .step-number {
    border-top: 0;
    grid-row: span 2;
    font-size: 28px;
    padding: 0;
    align-items: start;
  }
  .step-number > span {
    display: none;
  }
  .steps h3 {
    font-size: 19px;
  }
  .steps p {
    margin: 0;
    max-width: none;
    font-size: 13px;
  }
  .steps li:nth-child(4),
  .steps li:nth-child(5) {
    padding-top: 21px;
  }
  .workflow-footer {
    margin-top: 6px;
    gap: 10px;
    flex-direction: column;
  }
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .capability-main {
    display: block;
  }
  .capability-card {
    padding: 27px;
  }
  .capability-main h3 {
    font-size: 33px;
  }
  .capability-card p {
    font-size: 14px;
  }
  .collaboration-map {
    margin-top: 32px;
  }
  .skill-stack,
  .contact-art {
    min-height: auto;
    margin-block: 29px;
  }
  .skill-stack span {
    padding: 11px 12px;
  }
  .scene-grid {
    grid-template-columns: 1fr;
  }
  .scene-card {
    padding: 25px;
  }
  .scene-card h3 {
    font-size: 21px;
  }
  .scene-output strong {
    font-size: 12px;
  }
  .scene-output div > span {
    font-size: 10px;
  }
  .workspace {
    margin: 0;
    padding: 58px 0;
  }
  .workspace .container {
    width: calc(100% - 32px);
  }
  .workspace .center-head h2 {
    font-size: 26px;
    max-width: 310px;
    margin-inline: auto;
  }
  .center-head > p:last-child {
    font-size: 14px;
    padding-inline: 4px;
  }
  .preview-tabs {
    margin-block: 25px;
    width: 100%;
  }
  .preview-tabs button {
    flex: 1;
    padding: 9px 8px;
    font-size: 12px;
  }
  .product-image {
    padding: 4px;
    border-radius: 9px;
  }
  .product-image img {
    border-radius: 5px;
  }
  .preview-description {
    display: block;
    padding: 24px 4px 0;
  }
  .preview-description h3 {
    font-size: 19px;
  }
  .preview-description p {
    margin-top: 12px;
    font-size: 14px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 33px;
  }
  .service h2 {
    font-size: 29px;
  }
  .service-list article {
    padding-block: 21px;
    gap: 17px;
  }
  .service-list h3 {
    font-size: 19px;
  }
  .service-list p {
    font-size: 14px;
  }
  .faq h2 {
    font-size: 28px;
  }
  .faq summary {
    font-size: 14px;
    min-height: 70px;
  }
  .closing {
    padding-block: 48px;
  }
  .closing-inner {
    display: block;
  }
  .closing h2 {
    font-size: 30px;
  }
  .closing .button {
    margin-top: 25px;
  }
  .footer-main {
    flex-direction: column;
    gap: 25px;
  }
  .footer-bottom > div {
    gap: 0;
    flex-direction: column;
  }
  .footer-bottom a {
    padding-block: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}


/* 统一视觉收口：单一入口、少量方向性符号、稳定的中文排版。 */
:root {
  --bg: #f7f9fa;
  --text: #102d31;
  --muted: #53666d;
  --green: #167c70;
  --mint: #c7e8dc;
  --soft: #edf5f2;
  --line: #d8e3e5;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}
.nav {
  background: rgba(251, 252, 252, 0.94);
  border-bottom-color: rgba(216, 227, 229, 0.9);
  backdrop-filter: blur(14px);
}
.nav nav a:hover { color: var(--green); }
.button {
  background: #123f3a;
  border-color: #123f3a;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(18, 63, 58, 0.12);
}
.button:hover { background: #1c655b; }
.hero {
  background:
    linear-gradient(to bottom, #fbfcfc, transparent 140px),
    radial-gradient(ellipse at 88% 34%, rgba(222, 237, 251, 0.76) 0, transparent 54%),
    linear-gradient(160deg, #fbfcfb 0%, #f0f5f6 100%);
}
.hero-copy .eyebrow { color: #167c70; }
h1, h2, h3 { text-wrap: balance; }
h1 { letter-spacing: -0.04em; }
.hero-description, .section-head > p, .scene-prompt, .service-intro > p:not(.eyebrow), .service-list p, .faq details p {
  color: #53666d;
}
.hero-actions { display: none; }
.hero-metrics { margin-top: 36px; }
.hero-metrics i { background: #b9cfcc; }
.step-number { justify-content: flex-start; gap: 0; }
.step-number > span { display: none; }
.scene-output { gap: 0; }
.scene-output::before {
  content: "";
  width: 7px;
  height: 7px;
  margin: 7px 14px 0 1px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #6ea99b;
}
.scene-output > .scene-glyph { display: none; }
.text-link { gap: 0; color: #1b6259; }

.closing {
  padding: 66px 0;
  background: linear-gradient(110deg, #e0f1e8 0%, #edf4f2 56%, #e9eef9 100%);
}
.closing-inner { justify-content: flex-start; }
.closing-rings {
  position: absolute;
  right: calc(13% - 32px);
  top: 50%;
  width: 228px;
  height: 228px;
  transform: translateY(-50%);
  pointer-events: none;
}
/* 内圈锚定目标，外圈传递协作回响；只改变缩放和透明度，保持文字与布局稳定。 */
.closing-rings span {
  position: absolute;
  inset: 32px;
  border: 1px solid #71a69170;
  border-radius: 50%;
}
.closing-ring-core { background: #f5faf830; }
.closing-ring-wave {
  box-shadow: 0 0 0 8px #a7ccbc20;
}
.closing .button { display: none; }
@media (max-width: 800px) {
  .closing-rings { display: none; }
}
@media (max-width: 540px) {
  .hero-metrics { margin-top: 28px; }
  .closing-rings { display: none; }
}


.hero-layout { align-items: center; min-height: 620px; }

/* 正文以清晰阅读为先，说明文字保持可读尺寸。 */
.hero-metrics b { color: #52766d; font-size: 12px; }
.hero-metrics small, .scene-index, .scene-output div > span,
.service-number, .preview-count,
.footer-main > div > p, .footer-bottom { font-size: 12px; }
.hero-metrics { gap: 14px; }
.hero-metrics > span { gap: 3px 7px; }
.steps p, .capability-card p, .scene-prompt, .service-list p,
.preview-description p, .faq details p { font-size: 15px; line-height: 1.85; }
.scene-output strong { font-size: 14px; }
.hero-description { line-height: 1.9; }
.section-head > p { font-size: 15px; }
.orbit-node div > span, .universe-core > span,
.universe-caption { font-size: 11px; }
h2, h3, .orbit-node strong { font-weight: 600; }
.capability-main { background: linear-gradient(155deg, #edf7f2 25%, #dbeee5); }
.capability-skills { background: #f5f4fa; }
.capability-contact { background: #fbf6f0; }
.scene-card { background: #fcfdfd; }
.text-link:hover { color: var(--green); text-decoration-color: var(--green); }
@media (max-width: 1200px) and (min-width: 801px) {
  .hero-metrics { gap: 9px; }
  .hero-metrics small { font-size: 11px; }
  .hero-metrics i { width: 10px; }
}
@media (max-width: 800px) {
  .hero-layout { min-height: auto; }
}
@media (max-width: 540px) {
  .steps p, .capability-card p, .scene-prompt, .service-list p,
  .preview-description p, .faq details p { font-size: 14px; }
  .orbit-node div > span, .universe-core > span,
  .universe-caption { font-size: 10px; }
  .orbit-node { padding: 9px; gap: 7px; }
}


/* 交互反馈：默认保持平静，鼠标悬停时才显示层级变化。 */

.text-link {
  text-decoration: underline;
  text-decoration-color: #a7b9a6;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
  transition: color 180ms ease, text-decoration-color 180ms ease, background-color 180ms ease;
}
.text-link:hover {
  text-decoration-color: var(--green);
  background: #edf6f2;
}

/* SVG 只画静态轨道，小球沿同一路径采样后的合成层位移动画运行。 */
.universe-orbits .orbit-line {
  fill: none;
  stroke: url(#orbit-color);
  stroke-width: 1.4;
}
.orbit-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.orbit-runner {
  position: absolute;
  top: 0;
  left: 0;
  width: 14.5px;
  height: 14.5px;
  margin: -7.25px;
  border: 2.5px solid #fff;
  border-radius: 50%;
  background: #218c7a;
  box-shadow: 0 0 5px #218c7a70;
  visibility: hidden;
  will-change: transform;
}
.orbit-runner-secondary {
  width: 12.5px;
  height: 12.5px;
  margin: -6.25px;
  background: #668eb5;
}
@media (prefers-reduced-motion: reduce) {
  .orbit-particles { display: none; }
}

/* 桌面首屏以可视高度布局；极矮窗口允许滚动，保留可读字号。 */
@media (min-width: 801px) {
  .hero {
    height: max(530px, calc(100svh - 87px));
    padding: 16px 0 0;
  }
  .hero > .container {
    height: 100%;
    display: grid;
    grid-template-rows: minmax(0, 1fr) 72px;
  }
  .hero-layout { min-height: 0; height: 100%; }
  .hero-copy { padding: 12px 0; }
  .hero-copy .eyebrow { margin-bottom: clamp(16px, 3vh, 27px); }
  .hero h1 { font-size: clamp(40px, min(4.6vw, 7.5vh), 65px); }
  .hero-description { margin-top: clamp(16px, 3vh, 30px); }
  .hero-metrics { margin-top: clamp(18px, 3.5vh, 36px); }
  .goal-universe { height: 100%; max-height: 590px; min-height: 0; margin: 0; }
  .universe-label { top: 3%; }
  .universe-caption { bottom: 2%; right: 10px; }
  .node-top { top: 12%; right: 10%; }
  .node-left { top: 33%; left: 0; }
  .node-right { top: 61%; right: 0; }
  .node-bottom { top: 78%; left: 8%; }
  .universe-core { width: clamp(140px, 23vh, 186px); height: clamp(140px, 23vh, 186px); }
  .audience-line { min-height: 0; height: 72px; }
}


/* 将连接箭头与大字置于同一行，说明文字独立对齐，避免连接线下沉。 */
.service-signature {
  display: grid;
  grid-template-columns: 76px 64px 76px;
  grid-template-rows: 50px auto;
  align-items: center;
  justify-items: center;
  gap: 8px 16px;
  width: fit-content;
  margin-top: 32px;
  color: #3f7659;
}
.signature-character {
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
}
.signature-arrow {
  width: 64px;
  height: 24px;
  color: #6a9e84;
  stroke-width: 2;
  stroke-linecap: butt;
  stroke-linejoin: miter;
}
.service-signature small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  white-space: nowrap;
}
.signature-caption-thought { grid-column: 1; }
.signature-caption-result { grid-column: 3; }
@media (max-width: 540px) {
  .service-signature { gap: 8px 12px; margin-top: 28px; }
}


/* 动效分工：滚动解释页面位置，交互反馈解释操作，主视觉解释产品关系。 */
:root {
  --motion-fast: 180ms;
  --motion-shell: 360ms;
  --motion-switch: 320ms;
  --motion-expand: 280ms;
  --motion-collapse: 220ms;
  --motion-enter: 600ms;
  --motion-ease: cubic-bezier(.16,1,.3,1);
}
/* 仅背景面板收拢，菜单内容的宽度、间距与中心线始终不变。 */
.nav {
  height: 87px;
  /* 导航本身负责铺满视口，避免用 100vw 伪元素造成滚动条宽度溢出。 */
  background: #fbfcfc;
  border-bottom: 0;
  backdrop-filter: none;
  pointer-events: none;
}
.nav-inner {
  position: relative;
  height: 87px;
  isolation: isolate;
  pointer-events: auto;
}
.nav-inner::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  border: 1px solid transparent;
  background: #fbfcfc;
  backdrop-filter: blur(16px);
  pointer-events: none;
  transition: inset var(--motion-shell) var(--motion-ease),
    border-radius var(--motion-shell) var(--motion-ease),
    border-color 240ms ease, box-shadow var(--motion-shell) ease, background 240ms ease;
}
.nav.is-docked {
  background: transparent;
}
.nav.is-docked .nav-inner::before {
  top: 12px;
  bottom: 10px;
  left: -20px;
  right: -20px;
  border-color: transparent;
  border-radius: 17px;
  background: #ffffffed;
  box-shadow: 0 8px 26px #1d453812;
}
.nav nav a { position: relative; }
.nav nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--motion-fast) var(--motion-ease);
}
.nav nav a:is(:hover, :focus-visible, [aria-current="location"])::after { transform: scaleX(1); }
.nav nav a[aria-current="location"] { color: var(--green); }
.button { transition: background var(--motion-fast) ease, box-shadow var(--motion-fast) ease, transform var(--motion-fast) ease; }
.button:hover { transform: none; box-shadow: 0 5px 14px #123f3a20; }
.button:active { transform: scale(.98); }
.preview-tabs button { transition: background var(--motion-fast) ease, color var(--motion-fast) ease, box-shadow var(--motion-fast) ease; }
.faq summary { transition: color var(--motion-fast) ease, background var(--motion-fast) ease; }
.faq summary:is(:hover, :focus-visible) { color: var(--green); background: #f6faf8; }
@media (max-width: 800px) {
  .nav, .nav-inner { height: 73px; }
  .nav.is-docked .nav-inner::before {
    top: 6px;
    bottom: 6px;
    left: -8px;
    right: -8px;
    border-radius: 14px;
  }
}
/* 静态卡片只做轻量强调；按钮与标签保留更明确的操作反馈。 */
@media (hover: hover) and (pointer: fine) {
  .scene-card, .capability-card {
    transition: transform 240ms var(--motion-ease), border-color 240ms ease, box-shadow 240ms ease;
  }
  .scene-card:hover, .capability-card:hover {
    transform: translateY(-2px);
    border-color: #b9d4ca;
    box-shadow: 0 8px 22px -8px #204e3826;
  }
  .service-list article { transition: border-color 200ms ease; }
  .service-list article:hover { border-bottom-color: #83b1a0; }
  .service-list h3 { transition: color 200ms ease; }
  .service-list article:hover h3 { color: var(--green); }
  .product-image { transition: border-color 240ms ease, box-shadow 240ms ease; }
  .product-image:hover { border-color: #a9cbbf; box-shadow: 0 18px 35px -20px #25483c50; }
  .preview-tabs button:not([aria-selected="true"]):hover { background: #f5f9f7; color: var(--green); }
  .orbit-node:hover { border-color: #c3dfd4; box-shadow: 0 9px 24px #3a665b20; }
}
@media (prefers-reduced-motion: reduce) {
  .scene-card:hover, .capability-card:hover { transform: none; }
}

/* 从目标到成果：首屏建立空间，流程推进阅读，工作台承接真实演示。 */
.hero-line { display: block; }
.nav-marker { position: absolute; top: 96px; left: 0; width: 1px; height: 1px; pointer-events: none; }
.goal-universe { --pointer-x: 0px; --pointer-y: 0px; }
.universe-backdrop {
  background:
    radial-gradient(ellipse at 25% 36%, #b5e7d7c9, transparent 64%),
    radial-gradient(ellipse at 76% 62%, #b7d3f699, transparent 65%);
  translate: calc(var(--pointer-x) * -.6) calc(var(--pointer-y) * -.6);
  transition: translate 700ms var(--motion-ease);
}
.universe-orbits, .orbit-particles {
  translate: calc(var(--pointer-x) * .45) calc(var(--pointer-y) * .45);
  transition: translate 650ms var(--motion-ease);
}
.universe-core {
  translate: calc(var(--pointer-x) * -.25) calc(var(--pointer-y) * -.25);
  transition: translate 650ms var(--motion-ease);
  box-shadow: inset -10px -12px 24px #9ac6c955, 0 26px 55px #3f776e24, 0 0 0 12px #ffffff65, 0 0 0 13px #b9dcd430;
}
.orbit-node {
  translate: var(--pointer-x) var(--pointer-y);
  transition: translate 650ms var(--motion-ease), border-color 220ms ease, box-shadow 220ms ease;
}
.universe-orbits .orbit-line { transition: opacity 300ms ease, stroke-width 300ms ease; }
.goal-universe[data-orbit-focus="0"] g:nth-of-type(1) .orbit-line,
.goal-universe[data-orbit-focus="1"] g:nth-of-type(2) .orbit-line { stroke-width: 2.6; }
.goal-universe[data-orbit-focus="0"] g:nth-of-type(2) .orbit-line,
.goal-universe[data-orbit-focus="1"] g:nth-of-type(1) .orbit-line { opacity: .25; }
.goal-universe[data-orbit-focus] .orbit-outer { opacity: .25; }

/* 连接线随阅读推进，文字始终保持完整对比度。 */
.steps { gap: 26px; }
.steps > li { position: relative; }
.steps > li::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #167c70, #429d8d);
  transform-origin: left;
  pointer-events: none;
}
.steps > li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 0;
  left: 100%;
  width: 26px;
  border-top: 1px dashed #b5ccc5;
}
.step-number { color: #53666d; }
.steps > li.step-read .step-number, .steps > li.step-read h3 { color: #12675b; }
/* 横向流程读完后补齐间隔，与步骤线保持相同厚度和首尾颜色。 */
@media (min-width: 1001px) {
  .steps > li.step-read:not(:last-child)::after {
    height: 2px;
    border-top: 0;
    background: linear-gradient(90deg, #429d8d, #167c70);
  }
}
@media (min-width: 1001px) and (prefers-reduced-motion: reduce) {
  .steps > li:not(:last-child)::after {
    height: 2px;
    border-top: 0;
    background: linear-gradient(90deg, #429d8d, #167c70);
  }
}
@supports not (animation-timeline: view()) {
  .steps > li::before { transform: scaleX(0); transition: transform 600ms var(--motion-ease); }
  .steps > li.step-read::before { transform: scaleX(1); }
}
@media (max-width: 1000px) {
  .steps > li:not(:last-child)::after { display: none; }
}
@media (max-width: 540px) {
  .steps { padding-left: 18px; border-left: 1px solid #c8ded7; gap: 0; }
  .steps > li::after, .steps > li:not(:last-child)::after {
    content: "";
    display: block;
    position: absolute;
    width: 2px;
    height: 100%;
    top: 0;
    left: -19px;
    border: 0;
    border-radius: 2px;
    background: #167c70;
    transform-origin: top;
  }
  .steps > li::before { display: none; }
  @supports not (animation-timeline: view()) {
    .steps > li::after { transform: scaleY(0); transition: transform 600ms var(--motion-ease); }
    .steps > li.step-read::after { transform: scaleY(1); }
  }
}

/* 图解表现并行分工与成果汇聚，线条承担关系而非装饰。 */
.map-merge { position: relative; height: 37px; margin-inline: 15%; }
.map-merge::before {
  content: ""; position: absolute; inset: 0 0 18px;
  border: 1px solid #8cb69e; border-top: 0; border-radius: 0 0 7px 7px;
}
.map-merge::after { content: ""; position: absolute; top: 19px; bottom: 0; left: 50%; width: 1px; background: #8cb69e; }
.map-result { display: inline-block; padding: 9px 23px; border: 1px solid #8ebaaa; border-radius: 8px; background: #f5fcf8; color: #245e50; font-size: 13px; }
.collaboration-map small { display: block; margin-top: 18px; color: #346b5e; }
.capability-main { background: radial-gradient(ellipse at 100% 100%, #cfe8de80, transparent 60%), linear-gradient(155deg, #edf7f2, #e0f0e8); }
@media (max-width: 540px) {
  .capability-main h3 { font-size: 29px; }
}

/* 截图共用稳定舞台，交叉过渡不改变下方页面的位置。 */
.preview-stage { position: relative; max-width: 1060px; margin-inline: auto; isolation: isolate; }
.preview-panel { max-width: none; }
.preview-ghost { position: absolute; top: 0; left: 0; right: 0; pointer-events: none; z-index: 2; }
.product-image {
  padding: 10px;
  border-radius: 17px;
  border-color: #c5d9d3;
  background: linear-gradient(140deg, #fff, #eef5f3);
  box-shadow: 0 28px 65px -30px #244f463b, 0 1px 0 #fff inset;
}
.preview-tabs { position: relative; border-radius: 12px; padding: 5px; }
.preview-tabs button { position: relative; border-radius: 8px; }
.preview-tabs button::after {
  content: ""; position: absolute; bottom: 3px; left: 28%; right: 28%; height: 2px;
  background: #167c70; border-radius: 2px; transform: scaleX(0);
  transition: transform 300ms var(--motion-ease);
}
.preview-tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.preview-description { min-height: 100px; }
.preview-count { color: #356e62; font-variant-numeric: tabular-nums; }
@media (max-width: 540px) {
  .product-image { padding: 5px; border-radius: 10px; }
  .preview-description { min-height: 160px; }
}

/* 品牌回响持续循环；离屏、后台或减少动态效果时暂停或停用。 */
.closing-rings { width: 270px; height: 270px; }
.closing-ring-wave { animation: none; opacity: .3; scale: 1.16; transform: none; }
.closing-ring-wave:last-child { scale: 1.38; opacity: .16; }
.closing.has-entered .closing-ring-wave { animation: closing-echo 4200ms 240ms var(--motion-ease) infinite both; animation-play-state: paused; }
.closing.has-entered .closing-ring-wave:last-child { animation-delay: 740ms; }
.closing.is-running .closing-ring-wave { animation-play-state: running; }
@keyframes closing-echo {
  0% { scale: .9; opacity: 0; }
  25% { opacity: .6; }
  100% { scale: 1.38; opacity: .16; }
}
/* 固定遮挡顺序：背景轨道、小球、中心目标、说明卡。 */
.universe-orbits { z-index: 0; }
.orbit-particles { z-index: 1; }
.universe-core { z-index: 2; }
.orbit-node { z-index: 3; background: #fff; }
.universe-label, .universe-caption { z-index: 4; }
.orbit-runner { transition: opacity var(--motion-switch) ease, box-shadow var(--motion-switch) ease; }
.goal-universe[data-orbit-focus="0"] .orbit-runner:first-child,
.goal-universe[data-orbit-focus="1"] .orbit-runner-secondary { box-shadow: 0 0 0 3px #ffffff80, 0 0 10px #218c7a70; }
.goal-universe[data-orbit-focus="0"] .orbit-runner-secondary,
.goal-universe[data-orbit-focus="1"] .orbit-runner:first-child { opacity: .35; }

/* 线条先传递，再由节点响应；只动画合成属性。 */
.map-stem, .map-branches::after, .map-merge::after { transform-origin: center top; }
.map-branches::before, .map-merge::before { transform-origin: center; }

/* 选中底板独立于标签文字，尺寸按真实按钮测量，快速切换从当前位置转向。 */
.preview-tabs { isolation: isolate; }
.tab-indicator {
  position: absolute;
  z-index: 0;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 2px 8px #234b4010;
  transform-origin: left center;
  pointer-events: none;
}
.preview-tabs button { z-index: 1; }
.preview-tabs.has-indicator button[aria-selected="true"] { background: transparent; box-shadow: none; }
.faq summary > span { transition: transform var(--motion-collapse) var(--motion-ease); }
.faq summary[aria-expanded="false"] > span { transform: none; }
.faq summary[aria-expanded="true"] > span { transform: rotate(45deg); }

@media (prefers-reduced-motion: reduce) {
  .steps > li::before, .steps > li::after { transform: none; }
  .closing.has-entered .closing-ring-wave { animation: none; }
  .universe-backdrop, .universe-orbits, .orbit-particles, .universe-core, .orbit-node { translate: none; }
}