:root {
  --ink: #09213f;
  --muted: #5d7188;
  --blue: #0667df;
  --blue2: #2d8cff;
  --navy: #082c59;
  --lime: #ceff3e;
  --yellow: #ffd91a;
  --paper: #f5f8fc;
  --line: rgba(39, 79, 119, 0.15);
  --s1: 0 3px 5px rgba(10, 43, 78, 0.12);
  --s2: 0 10px 22px rgba(10, 43, 78, 0.14), 0 3px 7px rgba(10, 43, 78, 0.11);
  --s3: 0 24px 48px rgba(10, 43, 78, 0.16), 0 6px 14px rgba(10, 43, 78, 0.1);
  --s4:
    0 38px 80px rgba(10, 43, 78, 0.2), 0 10px 22px rgba(10, 43, 78, 0.1),
    inset 0 1px rgba(255, 255, 255, 0.95);
  --max: 1440px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "PingFang SC",
    "Microsoft YaHei",
    Inter,
    system-ui,
    -apple-system,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
}
.skip {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 99;
  padding: 12px 18px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--s3);
}
.skip:focus {
  top: 16px;
}
.header {
  max-width: var(--max);
  height: 92px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 26px;
  position: relative;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  margin-right: auto;
}
.brand-logos {
  display: flex;
  align-items: center;
  gap: 9px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}
.brand-divider {
  width: 1px;
  height: 30px;
  background: #cbd8e5;
}
.xiaoli-logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 42px;
  background: transparent;
}
.xiaoli-logo-mark img {
  width: 38px;
  height: auto;
  filter: none;
}
.brand-mark img {
  width: 44px;
}
.brand b {
  display: block;
  font-size: 17px;
  letter-spacing: 0.08em;
}
.brand small {
  display: block;
  margin-top: 3px;
  font-size: 8px;
  letter-spacing: 0.17em;
  color: #7890a6;
}
.header nav {
  display: flex;
  gap: 24px;
}
.header nav a {
  font-size: 13px;
  font-weight: 600;
  color: #546a80;
  text-decoration: none;
}
.header nav a:hover {
  color: var(--blue);
}
.menu {
  display: none;
}
.primary,
.light,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 720;
  border: 1px solid rgba(4, 74, 158, 0.5);
  transition: 0.25s;
}
.primary {
  color: #fff;
  background: linear-gradient(145deg, #278cff, #0758c5);
  box-shadow:
    0 15px 28px rgba(4, 80, 173, 0.28),
    0 4px 8px rgba(4, 58, 125, 0.2),
    inset 0 1px rgba(255, 255, 255, 0.5);
}
.primary:hover,
.ghost:hover,
.light:hover {
  transform: translateY(-2px);
}
.small {
  min-height: 42px;
  padding: 0 18px;
  font-size: 13px;
}
.button-depth {
  box-shadow:
    var(--s2),
    inset 0 1px rgba(255, 255, 255, 0.75);
}
.hero {
  min-height: 800px;
  position: relative;
  overflow: hidden;
  border-radius: 0 0 50px 50px;
  background: #eaf3fb;
  box-shadow: 0 28px 62px rgba(10, 43, 78, 0.18);
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(1380px, calc(100% - 60px));
  margin: auto;
  padding-top: 96px;
}
.kicker {
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.18em;
  color: var(--blue);
  margin: 0 0 20px;
}
.hero h1,
.section-title h2,
.business-copy h2,
.governance-section h2,
.about h2,
.contact h2 {
  font-weight: 400;
  letter-spacing: -0.055em;
  text-shadow:
    0 8px 18px rgba(22, 58, 92, 0.16),
    0 2px 3px rgba(22, 58, 92, 0.12);
}
.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(50px, 5.6vw, 86px);
  line-height: 1.03;
}
.hero h1 em {
  font-style: normal;
  color: #135d9f;
}
.hero-copy > p:not(.kicker) {
  max-width: 650px;
  margin: 28px 0 32px;
  font-size: 18px;
  line-height: 1.75;
  color: #4b6379;
}
.actions {
  display: flex;
  gap: 14px;
}
.ghost {
  background: rgba(255, 255, 255, 0.72);
  color: #154a7b;
  backdrop-filter: blur(12px);
}
.hero-rail {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  width: min(900px, calc(100% - 48px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  box-shadow: var(--s3);
}
.hero-rail div {
  padding: 18px 24px;
  border-left: 1px solid var(--line);
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 2px 8px;
}
.hero-rail div:first-child {
  border: 0;
}
.hero-rail span {
  grid-row: 1/3;
  color: #78a1c6;
  font-size: 11px;
}
.hero-rail b {
  font-size: 15px;
}
.hero-rail small {
  color: #6e8194;
}
.proof-strip {
  max-width: 1380px;
  margin: 70px auto 0;
  padding: 34px 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(140deg, #08294f, #0a4689);
  border-radius: 30px;
  color: #fff;
  box-shadow: var(--s4);
  position: relative;
}
.proof-strip div {
  padding: 5px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}
.proof-strip div:first-child {
  border-left: 0;
}
.proof-strip strong {
  display: block;
  font-size: 36px;
  font-weight: 400;
  text-shadow: 0 7px 14px rgba(0, 8, 24, 0.4);
}
.proof-strip sup {
  font-size: 16px;
  color: var(--lime);
}
.proof-strip span {
  font-size: 12px;
  color: #c2d7eb;
}
.proof-strip > p {
  position: absolute;
  right: 18px;
  bottom: -28px;
  color: #8294a7;
  font-size: 10px;
}
.section {
  max-width: 1380px;
  margin: auto;
  padding: 150px 30px;
}
.section-title {
  max-width: 950px;
}
.section-title h2,
.business-copy h2,
.governance-section h2,
.about h2 {
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.06;
  margin: 0;
}
.section-title > p:last-child {
  max-width: 800px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}
.symbiosis {
  margin-top: 70px;
  display: grid;
  grid-template-columns: 1fr 240px 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
  align-items: stretch;
}
.engine-card {
  position: relative;
  min-height: 350px;
  padding: 34px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #d7e2ed;
  box-shadow: var(--s3);
  overflow: hidden;
}
.engine-card:nth-of-type(3) {
  grid-column: 1/4;
  min-height: 310px;
}
.engine-card img {
  position: absolute;
  right: 6px;
  top: 2px;
  width: 155px;
  height: 155px;
  object-fit: contain;
  filter: drop-shadow(0 18px 18px rgba(11, 60, 112, 0.2));
}
.engine-card > span {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #7290ab;
  font-weight: 750;
}
.engine-card h3 {
  font-size: 34px;
  margin: 84px 0 12px;
  font-weight: 500;
  text-shadow: 0 5px 12px rgba(19, 54, 89, 0.14);
}
.engine-card p {
  max-width: 470px;
  color: #607389;
  line-height: 1.75;
}
.engine-card a {
  display: inline-block;
  margin-top: 20px;
  text-decoration: none;
  color: #075ac4;
  font-weight: 700;
}
.shared-core {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border-radius: 50%;
  aspect-ratio: 1;
  background: radial-gradient(circle, #fff 0, #e7f3ff 62%, #b7d8fb 100%);
  box-shadow:
    inset 0 1px #fff,
    0 24px 45px rgba(7, 74, 149, 0.18),
    0 5px 10px rgba(7, 65, 130, 0.12);
  border: 1px solid #bdd7f1;
}
.shared-core b {
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 10px;
}
.shared-core span {
  font-size: 12px;
  color: #5b7895;
  line-height: 1.7;
}
.business-section {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 150px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.pshop-section,
.mas-section {
  background: linear-gradient(180deg, #eaf2fa, #f6f9fc);
}
.apia-section {
  background: #fbfcf8;
}
.scene {
  border-radius: 38px;
  overflow: hidden;
  box-shadow: var(--s4);
  background: #fff;
}
.scene img {
  width: 100%;
  aspect-ratio: 1.22;
  object-fit: cover;
}
.scene-right img {
  object-position: right center;
}
.scene-left {
  grid-column: 1;
}
.scene-left img {
  object-position: left center;
}
.business-copy {
  position: relative;
}
.align-right {
  grid-column: 2;
}
.business-index {
  font-size: 12px;
  font-weight: 760;
  color: #6e87a0;
}
.business-copy h2 {
  font-size: clamp(45px, 4.8vw, 68px);
  margin: 0;
}
.lead {
  font-size: 17px;
  line-height: 1.85;
  color: #586e84;
}
.value-points {
  display: grid;
  gap: 11px;
  margin-top: 28px;
}
.value-points div {
  padding: 15px 18px;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--s2);
  border: 1px solid #dae4ee;
}
.value-points b {
  display: block;
  font-size: 14px;
}
.value-points span {
  font-size: 12px;
  color: #71869b;
}
.wide-surface {
  grid-column: 1/3;
  margin-top: 30px;
  padding: 42px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d4e0ec;
  box-shadow: var(--s4);
  position: relative;
}
.wide-surface:after {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: -8px;
  height: 18px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(21, 64, 108, 0.23),
    transparent
  );
  filter: blur(10px);
  z-index: -1;
}
.wide-surface > h3 {
  font-size: 30px;
  font-weight: 450;
  text-shadow: 0 5px 12px rgba(24, 62, 100, 0.15);
  margin: 0 0 30px;
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.flow-grid article {
  min-height: 200px;
  padding: 22px 18px;
  border-radius: 20px;
  background: #f6fafe;
  border: 1px solid #d9e5f0;
  box-shadow: var(--s2);
}
.flow-grid span {
  font-size: 10px;
  color: #7e9ab5;
}
.flow-grid b {
  display: block;
  font-size: 20px;
  margin: 32px 0 10px;
}
.flow-grid p {
  font-size: 12px;
  line-height: 1.65;
  color: #657b90;
}
.design-goal {
  display: inline-flex;
  flex-direction: column;
  padding: 20px 26px;
  border-radius: 18px;
  background: #f4faed;
  border: 1px solid #b9d690;
  margin-top: 20px;
}
.design-goal span {
  font-size: 10px;
  color: #739545;
}
.design-goal b {
  font-size: 20px;
  margin: 5px 0;
}
.design-goal small {
  color: #81906d;
}
.apia-map {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 20px;
  padding-bottom: 132px;
}
.apia-node {
  padding: 26px;
  border-radius: 22px;
  background: #f7fbff;
  border: 1px solid #d1e1ef;
  box-shadow: var(--s2);
  position: relative;
}
.apia-node > span {
  font-size: 10px;
  color: #7190aa;
}
.apia-node b {
  display: block;
  font-size: 20px;
  margin: 12px 0;
}
.apia-node p,
.apia-node li {
  font-size: 12px;
  color: #647b8f;
  line-height: 1.7;
}
.apia-node ul {
  padding-left: 17px;
}
.pi {
  background: #f1f8ee;
  border-color: #caddbd;
}
.direct-bridge {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 24px;
  padding: 12px;
  border-radius: 999px;
  background: #0a559f;
  color: #fff;
  text-align: center;
  box-shadow: var(--s2);
}
.formula {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px 20px;
  border-left: 4px solid var(--yellow);
  background: #fff;
  border-radius: 0 16px 16px 0;
  box-shadow: var(--s2);
}
.formula b {
  font-size: 17px;
}
.formula strong {
  font-size: 17px;
  color: #145493;
}
.mas-layers {
  padding-top: 54px;
}
.xiaoli-lean {
  position: absolute;
  width: 112px;
  height: 112px;
  object-fit: contain;
  right: 54px;
  top: -79px;
  z-index: 3;
  filter: drop-shadow(0 12px 10px rgba(8, 51, 98, 0.25));
  pointer-events: none;
}
.mas-layers header {
  max-width: 760px;
}
.mas-layers header h3 {
  font-size: 36px;
  font-weight: 420;
  margin: 0;
  text-shadow: 0 5px 12px rgba(22, 58, 94, 0.16);
}
.mas-layers header > p:last-child {
  color: var(--muted);
}
.layer-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 30px 0 16px;
}
.layer-controls button {
  min-height: 55px;
  border: 1px solid #bed2e6;
  border-radius: 14px;
  background: #f7fbff;
  color: #4f6982;
  font-weight: 680;
  cursor: pointer;
}
.layer-controls button[aria-selected="true"] {
  color: #fff;
  background: linear-gradient(145deg, #2488f7, #0756bd);
  box-shadow:
    0 14px 26px rgba(5, 76, 163, 0.3),
    0 4px 8px rgba(5, 59, 125, 0.2),
    inset 0 1px rgba(255, 255, 255, 0.45);
}
.layer-panel {
  padding: 28px;
  border-radius: 22px;
  background: #edf5fc;
  border: 1px solid #cfdfed;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  box-shadow:
    inset 0 1px #fff,
    var(--s2);
}
.layer-panel span {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: #6486a4;
}
.layer-panel h4 {
  font-size: 24px;
  font-weight: 500;
  margin: 10px 0;
}
.layer-panel p {
  color: var(--muted);
}
.layer-panel ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.layer-panel li {
  padding: 12px;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--s1);
  font-size: 12px;
}
.mas-workflow {
  grid-column: 1/3;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.mas-workflow div {
  min-height: 170px;
  padding: 22px;
  background: #fff;
  border-radius: 20px;
  border: 1px solid #d8e3ed;
  box-shadow: var(--s3);
  position: relative;
}
.mas-workflow span {
  font-size: 10px;
  color: #7f9bb5;
}
.mas-workflow b {
  display: block;
  margin: 30px 0 8px;
}
.mas-workflow p {
  font-size: 12px;
  line-height: 1.6;
  color: #697f94;
}
.synergy-section {
  padding-top: 130px;
}
.swimlanes {
  margin-top: 65px;
  display: grid;
  gap: 14px;
}
.swimlanes article {
  display: grid;
  grid-template-columns: 200px repeat(4, 1fr);
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid #d6e2ed;
  box-shadow: var(--s3);
  align-items: center;
}
.swimlanes b {
  font-size: 18px;
  padding-left: 16px;
}
.swimlanes span {
  padding: 18px 14px;
  background: #f2f7fb;
  border-radius: 12px;
  box-shadow: var(--s1);
  font-size: 12px;
  min-height: 66px;
  display: flex;
  align-items: center;
}
.swimlanes article:nth-child(2) span {
  background: #f4f9ef;
}
.outcome {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 45px;
  align-items: center;
  padding: 48px;
  border-radius: 34px;
  background: linear-gradient(135deg, #08264b, #0759b5);
  color: #fff;
  box-shadow: var(--s4);
  position: relative;
}
.outcome img {
  width: 180px;
  filter: drop-shadow(0 20px 18px rgba(0, 13, 36, 0.35));
}
.outcome .kicker {
  color: #9ccaff;
}
.outcome h3 {
  font-size: 34px;
  font-weight: 400;
  margin: 0;
  text-shadow: 0 6px 12px rgba(0, 0, 0, 0.35);
}
.outcome li {
  margin: 12px 0;
  color: #c6dbef;
}
.governance-section {
  display: grid;
  grid-template-columns: 200px 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.governance-visual img {
  width: 190px;
  filter: drop-shadow(0 22px 20px rgba(8, 56, 107, 0.24));
}
.governance-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.governance-list article {
  padding: 22px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #d7e2ec;
  box-shadow: var(--s2);
}
.governance-list b {
  font-size: 15px;
}
.governance-list p {
  font-size: 12px;
  line-height: 1.7;
  color: #697f94;
}
.about {
  display: grid;
  grid-template-columns: 120px 1fr 0.8fr;
  gap: 50px;
  align-items: start;
  border-top: 1px solid #ccd9e6;
}
.about-logo {
  width: 120px;
  min-height: 104px;
  display: grid;
  place-items: center;
  padding: 8px;
  border-radius: 22px;
  background: #082647;
  border-top: 7px solid var(--yellow);
  box-shadow: var(--s3), inset 0 1px rgba(255, 255, 255, 0.18);
}
.about-logo img {
  width: 108px;
  height: auto;
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.2));
}
.about > div:last-child p {
  font-size: 16px;
  line-height: 1.9;
  color: #5e7388;
  margin-top: 0;
}
.contact {
  padding: 100px max(30px, calc((100vw - 1380px) / 2));
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  background: #0765dc;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact:after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.23);
  border-radius: 50%;
  right: -180px;
  bottom: -330px;
  box-shadow: 0 0 100px rgba(100, 200, 255, 0.25);
}
.contact .kicker {
  color: var(--lime);
}
.contact h2 {
  font-size: clamp(48px, 5vw, 72px);
  margin: 0;
}
.contact p {
  max-width: 760px;
  color: #d4e7fb;
  line-height: 1.8;
}
.contact-links {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 16px;
  z-index: 1;
}
.contact-links a {
  text-decoration: none;
  font-weight: 650;
}
.light {
  background: #fff;
  color: #0752b4;
  border-color: #fff;
  box-shadow:
    0 18px 34px rgba(0, 28, 76, 0.3),
    0 5px 9px rgba(0, 20, 58, 0.2),
    inset 0 1px #fff;
}
footer {
  padding: 60px max(30px, calc((100vw - 1380px) / 2));
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 36px;
  background: #081a31;
  color: #9fb2c7;
  font-size: 12px;
}
footer b {
  display: block;
  color: #fff;
  font-size: 19px;
}
footer span {
  display: block;
  margin-top: 10px;
}
footer p {
  margin: 7px 0;
}
footer a {
  display: block;
  color: #c4d2e2;
  text-decoration: none;
  margin: 7px 0;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 4px;
}
@media (max-width: 1080px) {
  .header nav {
    display: none;
  }
  .menu {
    display: block;
    border: 1px solid #c5d7e8;
    border-radius: 12px;
    background: #fff;
    padding: 10px 14px;
  }
  .header nav.open {
    display: flex;
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    padding: 20px;
    flex-direction: column;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--s4);
  }
  .symbiosis {
    grid-template-columns: 1fr 1fr;
  }
  .shared-core {
    display: none;
  }
  .engine-card:nth-of-type(3) {
    grid-column: 1/3;
  }
  .business-section {
    grid-template-columns: 1fr;
  }
  .scene,
  .scene-left,
  .business-copy,
  .align-right {
    grid-column: 1;
  }
  .wide-surface,
  .mas-workflow {
    grid-column: 1;
  }
  .flow-grid,
  .mas-workflow {
    grid-template-columns: repeat(3, 1fr);
  }
  .governance-section {
    grid-template-columns: 160px 1fr;
  }
  .governance-list {
    grid-column: 1/3;
  }
  .about {
    grid-template-columns: 100px 1fr;
  }
  .about > div:last-child {
    grid-column: 2;
  }
  .contact {
    grid-template-columns: 1fr;
  }
  footer {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 700px) {
  .header {
    height: 76px;
    padding: 0 16px;
    gap: 10px;
  }
  .header > .primary {
    display: none;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
  }
  .brand {
    gap: 8px;
  }
  .brand-logos {
    gap: 6px;
  }
  .brand-divider {
    height: 25px;
  }
  .xiaoli-logo-mark {
    width: 31px;
    height: 36px;
  }
  .xiaoli-logo-mark img {
    width: 31px;
  }
  .brand b {
    font-size: 14px;
  }
  .brand small {
    display: none;
  }
  .hero {
    min-height: 880px;
    border-radius: 0 0 28px 28px;
  }
  .hero-img {
    height: 48%;
    top: auto;
    object-position: 52% center;
  }
  .hero-copy {
    width: calc(100% - 32px);
    padding-top: 54px;
  }
  .hero h1 {
    font-size: 46px;
  }
  .hero-copy > p:not(.kicker) {
    font-size: 15px;
  }
  .actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-rail {
    bottom: 18px;
    grid-template-columns: 1fr;
  }
  .hero-rail div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 11px 16px;
  }
  .hero-rail div:first-child {
    border-top: 0;
  }
  .proof-strip {
    margin: 42px 14px 0;
    padding: 24px;
    grid-template-columns: 1fr 1fr;
    border-radius: 24px;
  }
  .proof-strip div {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    padding: 14px;
  }
  .proof-strip div:nth-child(-n + 2) {
    border-top: 0;
  }
  .proof-strip strong {
    font-size: 28px;
  }
  .section {
    padding: 100px 18px;
  }
  .section-title h2,
  .business-copy h2,
  .governance-section h2,
  .about h2 {
    font-size: 43px;
  }
  .symbiosis {
    grid-template-columns: 1fr;
  }
  .engine-card:nth-of-type(3) {
    grid-column: 1;
  }
  .engine-card {
    min-height: 330px;
  }
  .engine-card img {
    width: 125px;
    height: 125px;
  }
  .business-section {
    padding: 100px 18px;
    gap: 35px;
  }
  .scene {
    border-radius: 26px;
  }
  .wide-surface {
    padding: 26px 18px;
    border-radius: 24px;
  }
  .flow-grid,
  .mas-workflow {
    grid-template-columns: 1fr;
  }
  .apia-map {
    grid-template-columns: 1fr;
    padding-bottom: 126px;
  }
  .layer-controls {
    grid-template-columns: 1fr 1fr;
  }
  .layer-panel {
    grid-template-columns: 1fr;
  }
  .layer-panel ul {
    grid-template-columns: 1fr 1fr;
  }
  .xiaoli-lean {
    width: 90px;
    height: 90px;
    right: 20px;
    top: -62px;
  }
  .swimlanes article {
    grid-template-columns: 1fr;
  }
  .swimlanes b {
    padding: 8px;
  }
  .outcome {
    grid-template-columns: 100px 1fr;
    padding: 30px 20px;
    gap: 18px;
  }
  .outcome img {
    width: 100px;
  }
  .outcome ul {
    grid-column: 1/3;
  }
  .outcome h3 {
    font-size: 27px;
  }
  .governance-section {
    grid-template-columns: 100px 1fr;
  }
  .governance-visual img {
    width: 100px;
  }
  .governance-list {
    grid-column: 1/3;
    grid-template-columns: 1fr;
  }
  .about {
    grid-template-columns: 1fr;
  }
  .about-logo {
    width: 106px;
    min-height: 92px;
  }
  .about-logo img {
    width: 94px;
    height: auto;
  }
  .about > div:last-child {
    grid-column: 1;
  }
  .contact {
    padding: 80px 20px;
  }
  .contact h2 {
    font-size: 45px;
  }
  footer {
    grid-template-columns: 1fr;
    padding: 50px 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
  }
}

/* v2.1 composition correction: three equal businesses over a shared factual foundation */
h1,
h2,
h3 {
  text-wrap: balance;
  word-break: normal;
}
.section-title {
  max-width: 1180px;
}
.symbiosis {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
}
.engine-card {
  min-height: 390px;
}
.engine-card:nth-of-type(3) {
  grid-column: auto;
  min-height: 390px;
}
.engine-card img {
  width: 145px;
  height: 145px;
}
.engine-card h3 {
  font-size: 31px;
}
.shared-core {
  grid-column: 1/4;
  grid-row: 2;
  aspect-ratio: auto;
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  align-items: center;
  justify-content: stretch;
  gap: 36px;
  padding: 30px 38px;
  border-radius: 26px;
  background: linear-gradient(
    135deg,
    rgba(235, 246, 255, 0.96),
    rgba(255, 255, 255, 0.98)
  );
  box-shadow:
    inset 0 1px #fff,
    0 20px 38px rgba(7, 74, 149, 0.14),
    0 5px 10px rgba(7, 65, 130, 0.1);
  border: 1px solid #bdd7f1;
  position: relative;
  overflow: hidden;
}
.shared-core:before {
  content: "";
  position: absolute;
  left: -70px;
  top: -120px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 140, 255, 0.14), transparent 70%);
}
.shared-core > div {
  position: relative;
}
.shared-core small {
  display: block;
  font-size: 9px;
  font-weight: 760;
  letter-spacing: 0.16em;
  color: #3b78b4;
  margin-bottom: 8px;
}
.shared-core b {
  display: block;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 500;
  margin: 0;
}
.shared-assets {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 9px;
}
.shared-core .shared-assets span {
  display: grid;
  place-items: center;
  min-height: 52px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #d3e3f1;
  color: #4d6d8b;
  font-size: 12px;
  font-weight: 680;
  line-height: 1;
  box-shadow: var(--s1);
}
.xiaoli-lean {
  left: 54px;
  right: auto;
}

@media (min-width: 1400px) {
  h1,
  h2 {
    white-space: nowrap;
  }
  h1 br,
  h2 br {
    display: none;
  }
  .hero-copy {
    width: min(1380px, calc(100% - 60px));
  }
  .hero h1 {
    max-width: none;
    font-size: 62px;
  }
  .section-title {
    max-width: none;
  }
  .section-title h2 {
    font-size: 48px;
  }
  .business-copy h2 {
    font-size: 46px;
    letter-spacing: -0.065em;
  }
  .governance-section {
    grid-template-columns: 180px 1fr;
  }
  .governance-section h2 {
    font-size: 46px;
  }
  .governance-list {
    grid-column: 2;
  }
  .about {
    grid-template-columns: 100px 1.2fr 0.8fr;
  }
  .about h2 {
    font-size: 42px;
  }
  .contact h2 {
    font-size: 46px;
  }
}
@media (max-width: 1080px) {
  .symbiosis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .engine-card:nth-of-type(3) {
    grid-column: 1/3;
  }
  .shared-core {
    display: grid;
    grid-column: 1/3;
    grid-row: auto;
    grid-template-columns: 1fr;
    padding: 26px;
  }
  .shared-assets {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 700px) {
  .symbiosis {
    grid-template-columns: minmax(0, 1fr);
  }
  .engine-card:nth-of-type(3) {
    grid-column: 1;
  }
  .engine-card img {
    width: 125px;
    height: 125px;
    max-width: none;
  }
  .shared-core {
    grid-column: 1;
    grid-template-columns: 1fr;
  }
  .shared-assets {
    grid-template-columns: repeat(2, 1fr);
  }
  .xiaoli-lean {
    left: 20px;
    right: auto;
  }
}