* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 1530px;
  min-height: 2846px;
}

body {
  background: #e5e8ef;
  color: #08101d;
  font-family: Arial, "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

button {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

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

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

.fit-shell {
  width: 1530px;
  height: 2846px;
  overflow: hidden;
}

.fit-box {
  width: 1530px;
  height: 2846px;
  overflow: hidden;
}

.screen {
  position: relative;
  width: 1530px;
  height: 2846px;
  overflow: hidden;
  background: #f6f8fd;
}

.hero {
  position: absolute;
  top: 0;
  left: 0;
  width: 1530px;
  height: 520px;
  overflow: visible;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 1530px;
  height: 520px;
  overflow: hidden;
}

.hero-background-image {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 1530px;
  height: 520px;
  object-fit: fill;
}

.hero-background-original {
  z-index: 1;
}

.hero-background-composite {
  z-index: 2;
}

.topbar {
  position: absolute;
  z-index: 5;
  top: 11px;
  left: 374px;
  width: 808px;
  height: 51px;
  border: 1px solid rgba(155, 158, 166, 0.18);
  border-radius: 27px;
  background: linear-gradient(110deg, #d4d5d9 0%, #ececef 64%, #fafafd 100%);
  box-shadow: 0 2px 7px rgba(50, 62, 87, 0.09);
}

.primary-nav {
  position: absolute;
  top: 0;
  left: 317px;
  width: 337px;
  height: 51px;
}

.nav-link {
  position: absolute;
  top: 16px;
  height: 20px;
  color: #2a2b2f;
  font-size: 14px;
  line-height: 20px;
  white-space: nowrap;
}

.nav-home {
  left: 17px;
  font-weight: 700;
}

.login-button {
  position: absolute;
  top: 10px;
  left: 748px;
  width: 53px;
  height: 31px;
  border-radius: 18px;
  background: #3d9de9;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 31px;
  text-align: center;
}

.hero-actions {
  position: absolute;
  z-index: 4;
  top: 305px;
  left: 42px;
  width: 630px;
  height: 70px;
}

.hero-button {
  position: absolute;
  top: 0;
  width: 190px;
  height: 70px;
  border-radius: 8px;
  font-size: 22px;
  font-weight: 700;
  line-height: 70px;
  text-align: center;
  white-space: nowrap;
}

.hero-button-primary {
  left: 0;
  background: linear-gradient(135deg, #6792f6 0%, #4d79e9 100%);
  color: #fff;
  box-shadow: 0 14px 26px rgba(81, 122, 229, 0.24);
}

.hero-button-secondary {
  left: 224px;
  border: 1px solid #dce1ea;
  background: #fff;
  color: #10141c;
  box-shadow: 0 13px 22px rgba(41, 51, 75, 0.08);
}

.hero-api-button {
  left: 448px;
}

.hero-statistics {
  position: absolute;
  z-index: 4;
  top: 418px;
  left: 0;
  width: 1530px;
  height: 80px;
}

.hero-stat {
  position: absolute;
  top: 0;
  width: 300px;
  height: 80px;
}

.stat-usage {
  left: 97px;
}

.stat-developers {
  left: 485px;
}

.stat-global {
  left: 840px;
}

.stat-models {
  left: 1215px;
}

.stat-icon {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 80px;
  height: 80px;
}

.stat-copy {
  position: absolute;
  top: 0;
  left: 110px;
  width: 220px;
  height: 80px;
}

.stat-value {
  display: block;
  height: 49px;
  color: #0b101a;
  font-size: 40px;
  font-weight: 800;
  line-height: 46px;
  white-space: nowrap;
}

.stat-label {
  display: block;
  height: 28px;
  color: #77869f;
  font-size: 20px;
  line-height: 28px;
  white-space: nowrap;
}

.highlight-grid {
  position: absolute;
  top: 545px;
  left: 0;
  width: 1530px;
  height: 389px;
}

.highlight-card {
  position: absolute;
  top: 0;
  width: 351px;
  height: 389px;
  overflow: hidden;
  border: 1px solid #dfe4ed;
  border-radius: 8px;
  box-shadow: 0 13px 24px rgba(33, 44, 67, 0.065);
}

.highlight-integrations {
  left: 42px;
  background: #f1f6ff;
}

.highlight-routing {
  left: 415px;
  background: #ecfaf6;
}

.highlight-pricing {
  left: 789px;
  background: #f6f1ff;
}

.highlight-security {
  left: 1162px;
  background: #fff6ee;
}

.model-grid {
  position: absolute;
  top: 56px;
  left: 43px;
  display: grid;
  grid-template-columns: repeat(4, 48px);
  grid-template-rows: repeat(2, 48px);
  column-gap: 17px;
  row-gap: 17px;
  width: 243px;
  height: 113px;
}

.model-grid-item {
  width: 48px;
  height: 48px;
  border: 1px solid #e1e5eb;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 5px 9px rgba(30, 43, 70, 0.12);
  color: #111318;
  font-size: 25px;
  font-weight: 800;
  line-height: 48px;
  text-align: center;
}

.ai-mark {
  color: #171717;
  font-size: 18px;
}

.letter-mark {
  font-size: 31px;
  line-height: 43px;
}

.google-mark {
  color: #4285f4;
  font-size: 28px;
}

.meta-mark {
  color: #2464cc;
  font-size: 35px;
  line-height: 43px;
}

.mistral-mark {
  color: #db4936;
  font-size: 28px;
}

.code-mark {
  font-size: 33px;
  line-height: 43px;
}

.z-mark {
  font-size: 24px;
}

.highlight-asset {
  position: absolute;
  display: block;
}

.routing-asset {
  top: 37px;
  left: 35px;
  width: 283px;
  height: 135px;
}

.pricing-asset {
  top: 63px;
  left: 25px;
  width: 171px;
  height: 96px;
}

.security-asset {
  top: 35px;
  left: 68px;
  width: 229px;
  height: 137px;
}

.pricing-legend {
  position: absolute;
  top: 60px;
  left: 211px;
  width: 130px;
  height: 100px;
}

.legend-row {
  display: block;
  height: 31px;
  color: #354053;
  font-size: 17px;
  line-height: 31px;
  white-space: nowrap;
}

.legend-row i {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 10px 1px 0;
  border-radius: 50%;
}

.legend-purple i {
  background: #9968f2;
}

.legend-green i {
  background: #4fc392;
}

.legend-orange i {
  background: #ff8b57;
}

.highlight-title {
  position: absolute;
  top: 220px;
  left: 26px;
  width: 300px;
  height: 34px;
  color: #0b1521;
  font-size: 26px;
  font-weight: 800;
  line-height: 34px;
  white-space: nowrap;
}

.highlight-description {
  position: absolute;
  top: 260px;
  left: 26px;
  width: 300px;
  height: 52px;
  overflow: hidden;
  color: #8393aa;
  font-size: 16px;
  line-height: 25px;
}

.highlight-link {
  position: absolute;
  top: 339px;
  left: 26px;
  display: flex;
  align-items: center;
  width: 170px;
  height: 22px;
  color: #0b1521;
  font-size: 16px;
  font-weight: 700;
  line-height: 22px;
  white-space: nowrap;
}

.highlight-link svg,
.view-all-link svg,
.solution-copy svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.highlight-link svg {
  width: 18px;
  height: 18px;
  margin-left: 17px;
  stroke-width: 1.5;
}

.model-section {
  position: absolute;
  top: 1002px;
  left: 0;
  width: 1530px;
  height: 180px;
}

.section-title {
  color: #08111f;
  font-size: 28px;
  font-weight: 800;
  line-height: 38px;
  white-space: nowrap;
}

.models-title {
  position: absolute;
  top: 0;
  left: 42px;
  width: 280px;
  height: 38px;
}

.view-all-link {
  position: absolute;
  top: 11px;
  left: 1430px;
  display: flex;
  align-items: center;
  width: 72px;
  height: 22px;
  color: #8795aa;
  font-size: 16px;
  line-height: 22px;
  white-space: nowrap;
}

.view-all-link svg {
  width: 15px;
  height: 15px;
  margin-left: 5px;
  stroke-width: 1.5;
}

.model-card-list {
  position: absolute;
  top: 56px;
  left: 52px;
  width: 1460px;
  height: 94px;
}

.model-card {
  position: absolute;
  top: 0;
  width: 264px;
  height: 94px;
  border: 1px solid #e0e4ea;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 10px 15px rgba(28, 40, 63, 0.09);
}

.model-card:nth-child(1) {
  left: 0;
}

.model-card:nth-child(2) {
  left: 298px;
}

.model-card:nth-child(3) {
  left: 597px;
}

.model-card:nth-child(4) {
  left: 896px;
}

.model-card:nth-child(5) {
  left: 1195px;
}

.model-card-selected {
  border-color: #72a7ff;
  box-shadow: 0 10px 15px rgba(28, 40, 63, 0.07);
}

.model-logo {
  position: absolute;
  display: block;
}

.model-logo-openai {
  top: 20px;
  left: 44px;
  width: 157px;
  height: 47px;
}

.model-logo-anthropic {
  top: 22px;
  left: 35px;
  width: 167px;
  height: 45px;
}

.model-logo-google {
  top: 20px;
  left: 51px;
  width: 157px;
  height: 48px;
}

.model-logo-meta {
  top: 22px;
  left: 58px;
  width: 153px;
  height: 45px;
}

.model-logo-mistral {
  top: 22px;
  left: 57px;
  width: 146px;
  height: 45px;
}

.main-features-section {
  position: absolute;
  top: 1225px;
  left: 0;
  width: 1530px;
  height: 675px;
}

.main-features-title {
  position: absolute;
  top: 0;
  left: 42px;
  width: 200px;
  height: 39px;
  font-size: 32px;
  line-height: 39px;
}

.onboarding-title {
  position: absolute;
  top: 4px;
  left: 914px;
  width: 250px;
  height: 36px;
  font-size: 26px;
  line-height: 36px;
}

.feature-list {
  position: absolute;
  top: 92px;
  left: 0;
  width: 872px;
  height: 570px;
}

.feature-row {
  position: absolute;
  left: 42px;
  width: 830px;
  height: 145px;
}

.feature-row-stability {
  top: 0;
}

.feature-row-unified {
  top: 195px;
}

.feature-row-governance {
  top: 390px;
}

.feature-symbol {
  position: absolute;
  top: 5px;
  left: 0;
  width: 62px;
  height: 62px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.feature-symbol svg {
  position: absolute;
  top: 7px;
  left: 7px;
  display: block;
  width: 44px;
  height: 44px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.symbol-stability {
  color: #ff8d5d;
  background: #fff9f6;
}

.symbol-unified {
  color: #6590fa;
  background: #f4f7ff;
}

.symbol-governance {
  color: #62c99c;
  background: #f2fcf8;
}

.feature-copy {
  position: absolute;
  top: 0;
  left: 83px;
  width: 535px;
  height: 140px;
}

.feature-copy h3 {
  height: 35px;
  color: #091322;
  font-size: 26px;
  font-weight: 800;
  line-height: 35px;
  white-space: nowrap;
}

.feature-copy ul {
  position: absolute;
  top: 44px;
  left: 0;
  width: 535px;
  height: 92px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #7d8da5;
  font-size: 18px;
  line-height: 30px;
  white-space: nowrap;
}

.feature-copy li {
  position: relative;
  height: 30px;
  padding-left: 19px;
}

.feature-copy li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
}

.feature-row-stability li::before {
  background: #ff8d5d;
}

.feature-row-unified li::before {
  background: #6590fa;
}

.feature-row-governance li::before {
  background: #62c99c;
}

.feature-metric {
  position: absolute;
  top: 14px;
  left: 642px;
  width: 188px;
  height: 128px;
  border: 1px solid currentColor;
  border-radius: 8px;
  text-align: center;
}

.feature-metric strong {
  display: block;
  height: 63px;
  padding-top: 18px;
  color: #060d18;
  font-size: 42px;
  font-weight: 800;
  line-height: 47px;
  white-space: nowrap;
}

.feature-metric span {
  display: block;
  height: 28px;
  color: #677892;
  font-size: 18px;
  line-height: 28px;
  white-space: nowrap;
}

.metric-stability {
  color: #ff9470;
  background: #fff8f4;
}

.metric-unified {
  color: #74a0ff;
  background: #f1f7ff;
}

.metric-governance {
  color: #6bd0a5;
  background: #effcf7;
}

.onboarding-list {
  position: absolute;
  top: 77px;
  left: 914px;
  width: 600px;
  height: 564px;
}

.onboarding-card {
  position: absolute;
  left: 0;
  width: 600px;
  height: 175px;
  border: 1px solid #e0e5ed;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 22px rgba(29, 41, 65, 0.07);
}

.onboarding-register {
  top: 0;
}

.onboarding-recharge {
  top: 194px;
}

.onboarding-start {
  top: 388px;
}

.onboarding-asset {
  position: absolute;
  display: block;
  top: 17px;
  left: 22px;
  width: 171px;
  height: 145px;
}

.onboarding-copy {
  position: absolute;
  top: 37px;
  left: 215px;
  width: 350px;
  height: 105px;
}

.onboarding-copy h3 {
  height: 36px;
  color: #081222;
  font-size: 27px;
  font-weight: 800;
  line-height: 36px;
  white-space: nowrap;
}

.onboarding-copy p {
  position: absolute;
  top: 43px;
  left: 0;
  width: 350px;
  height: 59px;
  color: #7f8ea7;
  font-size: 18px;
  line-height: 29px;
}

.capabilities-section {
  position: absolute;
  top: 1935px;
  left: 0;
  width: 1530px;
  height: 500px;
}

.capabilities-title {
  position: absolute;
  top: 0;
  left: 42px;
  width: 180px;
  height: 39px;
  font-size: 28px;
  line-height: 39px;
}

.capability-card {
  position: absolute;
  top: 49px;
  width: 474px;
  height: 447px;
  overflow: hidden;
  border: 1px solid #dfe4ec;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 22px rgba(26, 39, 64, 0.07);
}

.capability-monitoring {
  left: 42px;
}

.capability-debugging {
  left: 540px;
}

.capability-analysis {
  left: 1039px;
}

.capability-card h3 {
  position: absolute;
  top: 28px;
  left: 28px;
  width: 420px;
  height: 35px;
  color: #0a1727;
  font-size: 26px;
  font-weight: 800;
  line-height: 35px;
  white-space: nowrap;
}

.capability-card > p {
  position: absolute;
  top: 70px;
  left: 28px;
  width: 418px;
  height: 56px;
  color: #8090a7;
  font-size: 17px;
  line-height: 28px;
}

.monitoring-summary {
  position: absolute;
  top: 151px;
  left: 28px;
  display: flex;
  width: 418px;
  height: 73px;
  background: #fbfcff;
}

.monitoring-summary > div {
  width: 33.333%;
  height: 73px;
  padding-left: 15px;
}

.monitoring-summary span,
.monitoring-summary strong,
.monitoring-summary em {
  display: block;
  white-space: nowrap;
}

.monitoring-summary span {
  height: 21px;
  color: #8d9198;
  font-size: 14px;
  line-height: 21px;
}

.monitoring-summary strong {
  height: 25px;
  color: #18202b;
  font-size: 22px;
  font-weight: 800;
  line-height: 25px;
}

.monitoring-summary em {
  height: 20px;
  color: #6392f5;
  font-size: 14px;
  font-style: normal;
  line-height: 20px;
}

.capability-chart {
  position: absolute;
  display: block;
}

.usage-chart {
  top: 157px;
  left: 28px;
  width: 418px;
  height: 271px;
}

.code-tabs {
  position: absolute;
  top: 145px;
  left: 28px;
  width: 300px;
  height: 22px;
}

.code-tab {
  display: inline-block;
  height: 22px;
  margin-right: 24px;
  color: #69799b;
  font-size: 11px;
  line-height: 22px;
  white-space: nowrap;
}

.code-tab-active {
  color: #5978db;
}

.code-panel {
  position: absolute;
  top: 170px;
  left: 28px;
  width: 418px;
  height: 271px;
  border: 1px solid #bdcbe0;
  border-radius: 5px;
  background: #fbfdff;
}

.code-panel code {
  position: absolute;
  top: 20px;
  left: 18px;
  width: 380px;
  height: 135px;
  overflow: hidden;
  color: #1f6874;
  font-family: Consolas, "Courier New", monospace;
  font-size: 11px;
  line-height: 24px;
  white-space: pre;
}

.code-result {
  position: absolute;
  right: 13px;
  bottom: 12px;
  left: 13px;
  display: flex;
  justify-content: space-between;
  height: 31px;
  padding: 0 12px;
  border: 1px solid #d9e2ee;
  border-radius: 4px;
  background: #f6fbff;
  color: #367b83;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 12px;
  line-height: 29px;
  white-space: nowrap;
}

.latency-chart {
  top: 147px;
  left: 37px;
  width: 419px;
  height: 278px;
}

.solutions-section {
  position: absolute;
  top: 2495px;
  left: 0;
  width: 1530px;
  height: 350px;
}

.solutions-title {
  position: absolute;
  top: 0;
  left: 42px;
  width: 180px;
  height: 39px;
  font-size: 28px;
  line-height: 39px;
}

.solution-grid {
  position: absolute;
  top: 46px;
  left: 0;
  width: 1530px;
  height: 224px;
}

.solution-card {
  position: absolute;
  top: 0;
  width: 347px;
  height: 224px;
  overflow: hidden;
  border: 1px solid #dfe5ed;
  border-radius: 8px;
  box-shadow: 0 12px 22px rgba(26, 39, 64, 0.07);
}

.solution-customer-service {
  left: 42px;
  background: #f1f7ff;
}

.solution-enterprise {
  left: 417px;
  background: #edf9f5;
}

.solution-ai {
  left: 792px;
  background: #f7f0ff;
}

.solution-industry {
  left: 1167px;
  background: #fff6ee;
}

.solution-asset {
  position: absolute;
  display: block;
}

.solution-customer-service .solution-asset {
  top: 64px;
  left: 40px;
  width: 94px;
  height: 96px;
}

.solution-enterprise .solution-asset {
  top: 63px;
  left: 43px;
  width: 96px;
  height: 97px;
}

.solution-ai .solution-asset {
  top: 60px;
  left: 46px;
  width: 101px;
  height: 103px;
}

.solution-industry .solution-asset {
  top: 60px;
  left: 43px;
  width: 107px;
  height: 103px;
}

.solution-copy {
  position: absolute;
  top: 55px;
  left: 150px;
  width: 175px;
  height: 145px;
}

.solution-copy h3 {
  width: 180px;
  height: 34px;
  color: #0a1423;
  font-size: 24px;
  font-weight: 800;
  line-height: 34px;
  white-space: nowrap;
}

.solution-copy p {
  position: absolute;
  top: 39px;
  left: 0;
  width: 175px;
  height: 65px;
  color: #8291a8;
  font-size: 16px;
  line-height: 24px;
}

.solution-copy a {
  position: absolute;
  top: 112px;
  left: 0;
  display: flex;
  align-items: center;
  width: 135px;
  height: 22px;
  color: #101925;
  font-size: 15px;
  font-weight: 700;
  line-height: 22px;
  white-space: nowrap;
}

.solution-copy svg {
  width: 17px;
  height: 17px;
  margin-left: 23px;
  stroke-width: 1.5;
}

/* 鑷姩琛ュ叆锛氭ā鍨嬮仐婕忕殑鍒囧浘閿氱偣瀹氫綅 */
.plugin-reference-fallback-1{position:absolute!important;left:986px!important;top:42px!important;width:462px!important;height:333px!important;border-radius:0px!important;object-fit:contain!important;z-index:900;}
/* Responsive viewport fitting -------------------------------------------------
   The artwork was authored on a 1530px canvas. Keep that canvas intact so it
   can be embedded by either React or Vue, while fitting it to every viewport
   without horizontal scrolling or clipped sections. */
html,
body {
  min-width: 0;
  min-height: 0;
  width: 100%;
  overflow-x: hidden;
}

body {
  background: #e5e8ef;
}

.fit-shell {
  position: relative;
  width: 100%;
  height: calc(2846px * var(--page-scale, 1));
  min-height: 0;
  overflow: hidden;
}

.fit-box {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1530px;
  height: 2846px;
  margin-left: -765px;
  transform: scale(var(--page-scale, 1));
  transform-origin: top center;
}

/* Leave a little breathing room on narrow screens and make the page feel
   natural when it is embedded below another application's header. */
@media (max-width: 600px) {
  .fit-shell {
    height: calc(2846px * var(--page-scale, 1) + 8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}



/* True mobile layout ---------------------------------------------------------
   Below 768px the desktop artwork is no longer scaled down. Components switch
   to a readable, touch-friendly single-column layout. */
.mobile-hero-copy {
  display: none;
}

@media (max-width: 1024px) {
  html {
    background: #f6f8fd;
    scroll-behavior: smooth;
  }

  body {
    width: 100%;
    background: #f6f8fd;
    font-size: 16px;
  }

  .fit-shell {
    width: 100%;
    height: auto !important;
    min-height: 100dvh;
    overflow: visible;
  }

  .fit-box {
    position: static;
    width: 100%;
    height: auto;
    margin: 0;
    transform: none !important;
  }

  .screen {
    position: static;
    width: 100%;
    height: auto;
    min-height: 100dvh;
    overflow: hidden;
    background:
      radial-gradient(circle at 90% 4%, rgba(97, 140, 255, 0.18), transparent 22rem),
      #f6f8fd;
  }

  .hero {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: max(12px, env(safe-area-inset-top)) 16px 28px;
    overflow: hidden;
  }

  .hero-background,
  .hero-background-image,
  .plugin-reference-fallback-1 {
    display: none !important;
  }

  .topbar {
    position: relative;
    z-index: 10;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: minmax(112px, auto) 1fr 36px auto;
    grid-template-areas:
      "logo spacer theme login"
      "nav nav nav nav";
    align-items: center;
    gap: 10px;
    width: 100%;
    height: auto;
    min-height: 58px;
    padding: 8px 10px 10px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 10px 32px rgba(45, 64, 104, 0.10);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .primary-nav {
    position: static;
    grid-area: nav;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    height: auto;
    padding-top: 6px;
    border-top: 1px solid rgba(132, 148, 177, 0.15);
  }

  .nav-link {
    position: static;
    display: block;
    height: 38px;
    padding: 0 3px;
    color: #344054;
    font-size: clamp(12px, 3.35vw, 14px);
    line-height: 38px;
    text-align: center;
    white-space: nowrap;
  }

  .nav-home {
    color: #4677e8;
    font-weight: 800;
  }

  .login-button {
    position: static;
    grid-area: login;
    width: auto;
    min-width: 58px;
    height: 36px;
    padding: 0 14px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 36px;
  }

  .mobile-hero-copy {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 42px 4px 10px;
  }

  .mobile-hero-copy img {
    align-self: center;
    width: min(76vw, 300px);
    height: auto;
    margin: -12px 0 8px;
    filter: drop-shadow(0 20px 28px rgba(66, 121, 238, 0.18));
  }

  .mobile-hero-eyebrow {
    margin-bottom: 10px;
    color: #4f7fea;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.16em;
  }

  .mobile-hero-copy h1 {
    color: #101828;
    font-size: clamp(34px, 10.5vw, 48px);
    font-weight: 900;
    line-height: 1.14;
    letter-spacing: -0.045em;
  }

  .mobile-hero-copy h1 span {
    color: #5d82eb;
  }

  .mobile-hero-subtitle {
    max-width: 32rem;
    margin-top: 16px;
    color: #75839b;
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    position: relative;
    z-index: 4;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    height: auto;
    margin-top: 16px;
  }

  .hero-button {
    position: static;
    width: 100%;
    height: 50px;
    border-radius: 12px;
    font-size: 16px;
    line-height: 50px;
    touch-action: manipulation;
  }

  .hero-api-button {
    grid-column: 1 / -1;
  }

  .hero-statistics {
    position: relative;
    z-index: 4;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
    height: auto;
    margin-top: 26px;
  }

  .hero-stat {
    position: static;
    display: flex;
    align-items: center;
    gap: 10px;
    width: auto;
    height: auto;
    min-height: 76px;
    padding: 12px;
    border: 1px solid rgba(220, 227, 239, 0.9);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 8px 24px rgba(48, 67, 105, 0.06);
  }

  .stat-icon {
    position: static;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
  }

  .stat-copy {
    position: static;
    width: auto;
    height: auto;
    min-width: 0;
  }

  .stat-value {
    height: auto;
    font-size: clamp(22px, 7vw, 29px);
    line-height: 1.05;
  }

  .stat-label {
    height: auto;
    margin-top: 5px;
    overflow: hidden;
    color: #77869f;
    font-size: 11px;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .highlight-grid,
  .model-section,
  .main-features-section,
  .capabilities-section,
  .solutions-section {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    padding: 26px 16px;
  }

  .highlight-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    background: #f6f8fd;
  }

  .highlight-card {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: 350px;
    max-width: 440px;
    margin: 0 auto;
    border-radius: 16px;
  }

  .highlight-title {
    left: 24px;
    width: calc(100% - 48px);
    font-size: 23px;
  }

  .highlight-description {
    left: 24px;
    width: calc(100% - 48px);
    font-size: 15px;
    line-height: 1.7;
  }

  .highlight-link {
    left: 24px;
  }

  .section-title,
  .models-title,
  .main-features-title,
  .onboarding-title,
  .capabilities-title,
  .solutions-title {
    position: static;
    width: auto;
    height: auto;
    margin: 0 0 18px;
    font-size: 26px;
    line-height: 1.3;
    white-space: normal;
  }

  .model-section {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    background: #fff;
  }

  .models-title {
    margin-bottom: 18px;
  }

  .view-all-link {
    position: static;
    width: auto;
    height: 36px;
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 36px;
  }

  .model-card-list {
    position: static;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
    height: auto;
  }

  .model-card {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 86px;
    border-radius: 13px;
  }

  .model-card:last-child {
    grid-column: 1 / -1;
  }

  .model-logo,
  .model-logo-openai,
  .model-logo-anthropic,
  .model-logo-google,
  .model-logo-meta,
  .model-logo-mistral {
    position: static;
    width: auto;
    max-width: 76%;
    height: auto;
    max-height: 40px;
  }

  .main-features-section {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .main-features-title {
    order: 0;
  }

  .feature-list {
    position: static;
    order: 1;
    display: grid;
    gap: 14px;
    width: 100%;
    height: auto;
  }

  .feature-row {
    position: relative;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 14px;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 20px;
    border: 1px solid #e2e8f1;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 10px 26px rgba(35, 51, 80, 0.05);
  }

  .feature-symbol {
    position: static;
    width: 48px;
    height: 48px;
  }

  .feature-copy {
    position: static;
    width: auto;
    height: auto;
    min-width: 0;
  }

  .feature-copy h3 {
    width: auto;
    height: auto;
    font-size: 21px;
    line-height: 1.35;
  }

  .feature-copy ul {
    width: auto;
    height: auto;
    margin: 10px 0 0;
    padding-left: 18px;
    color: #718096;
    font-size: 14px;
    line-height: 1.75;
  }

  .feature-metric {
    position: static;
    grid-column: 1 / -1;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    width: 100%;
    height: auto;
    margin-top: 4px;
    padding-top: 14px;
    border-top: 1px solid #edf0f5;
    text-align: left;
  }

  .feature-metric strong,
  .feature-metric span {
    height: auto;
    line-height: 1.25;
  }

  .feature-metric strong {
    font-size: 25px;
  }

  .feature-metric span {
    font-size: 13px;
  }

  .onboarding-title {
    order: 2;
    margin-top: 38px;
  }

  .onboarding-list {
    position: static;
    order: 3;
    display: grid;
    gap: 12px;
    width: 100%;
    height: auto;
  }

  .onboarding-card {
    position: relative;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: 86px 1fr;
    align-items: center;
    gap: 14px;
    width: 100%;
    height: auto;
    min-height: 126px;
    padding: 18px;
    border-radius: 16px;
  }

  .onboarding-asset {
    position: static;
    width: 86px;
    height: 86px;
    object-fit: contain;
  }

  .onboarding-copy {
    position: static;
    width: auto;
    height: auto;
  }

  .onboarding-copy h3,
  .onboarding-copy p {
    position: static;
    width: auto;
    height: auto;
  }

  .onboarding-copy h3 {
    font-size: 20px;
    line-height: 1.35;
  }

  .onboarding-copy p {
    margin-top: 7px;
    font-size: 13px;
    line-height: 1.65;
  }

  .capabilities-section {
    display: grid;
    gap: 14px;
    background: #fff;
  }

  .capabilities-title {
    margin-bottom: 4px;
  }

  .capability-card {
    position: relative;
    top: auto;
    left: auto;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 22px;
    border-radius: 16px;
  }

  .capability-card > h3,
  .capability-card > p {
    position: static;
    width: auto;
    height: auto;
  }

  .capability-card > h3 {
    font-size: 22px;
    line-height: 1.35;
    white-space: normal;
  }

  .capability-card > p {
    margin-top: 9px;
    font-size: 14px;
    line-height: 1.7;
  }

  .monitoring-summary {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    height: auto;
    margin-top: 18px;
    padding: 12px 4px;
    border-radius: 10px;
  }

  .monitoring-summary > div {
    width: auto;
    height: auto;
    padding: 0 6px;
  }

  .monitoring-summary span,
  .monitoring-summary strong,
  .monitoring-summary em {
    height: auto;
    overflow: hidden;
    line-height: 1.45;
    text-overflow: ellipsis;
  }

  .monitoring-summary span,
  .monitoring-summary em {
    font-size: 11px;
  }

  .monitoring-summary strong {
    font-size: clamp(16px, 5.2vw, 22px);
  }

  .capability-chart,
  .usage-chart,
  .latency-chart {
    position: static;
    width: 100%;
    height: auto;
    margin-top: 16px;
    object-fit: contain;
  }

  .code-tabs {
    position: static;
    display: flex;
    gap: 18px;
    width: 100%;
    height: auto;
    margin-top: 16px;
    overflow-x: auto;
  }

  .code-tab {
    height: 30px;
    margin: 0;
    line-height: 30px;
  }

  .code-panel {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: 260px;
    margin-top: 4px;
    overflow: hidden;
  }

  .code-panel code {
    right: 15px;
    left: 15px;
    width: auto;
    height: 180px;
    overflow: auto;
    font-size: 10px;
    line-height: 1.8;
  }

  .code-result {
    gap: 8px;
    font-size: 10px;
  }

  .solutions-section {
    background: #f6f8fd;
  }

  .solution-grid {
    position: static;
    display: grid;
    gap: 12px;
    width: 100%;
    height: auto;
  }

  .solution-card {
    position: relative;
    top: auto;
    left: auto;
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: center;
    gap: 10px;
    width: 100%;
    height: auto;
    min-height: 190px;
    padding: 20px;
    border-radius: 16px;
  }

  .solution-asset,
  .solution-customer-service .solution-asset,
  .solution-enterprise .solution-asset,
  .solution-ai .solution-asset,
  .solution-industry .solution-asset {
    position: static;
    width: 96px;
    height: 104px;
    object-fit: contain;
  }

  .solution-copy {
    position: static;
    width: auto;
    height: auto;
    min-width: 0;
  }

  .solution-copy h3,
  .solution-copy p,
  .solution-copy a {
    position: static;
    width: auto;
    height: auto;
  }

  .solution-copy h3 {
    font-size: 20px;
    line-height: 1.35;
    white-space: normal;
  }

  .solution-copy p {
    margin-top: 7px;
    font-size: 13px;
    line-height: 1.6;
  }

  .solution-copy a {
    margin-top: 12px;
    font-size: 14px;
    line-height: 24px;
  }
}

@media (max-width: 374px) {
  .hero {
    padding-right: 12px;
    padding-left: 12px;
  }

  .topbar {
    grid-template-columns: 104px 1fr 34px auto;
    padding-right: 7px;
    padding-left: 7px;
  }

  .login-button {
    min-width: 52px;
    padding: 0 10px;
  }

  .hero-statistics {
    grid-template-columns: 1fr;
  }

  .stat-label {
    font-size: 12px;
  }

  .feature-row,
  .capability-card,
  .solution-card {
    padding: 17px;
  }

  .solution-card {
    grid-template-columns: 82px 1fr;
  }

  .solution-asset,
  .solution-customer-service .solution-asset,
  .solution-enterprise .solution-asset,
  .solution-ai .solution-asset,
  .solution-industry .solution-asset {
    width: 78px;
  }
}

@media (max-width: 1024px) {
  .topbar {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    right: 16px;
    left: 16px;
    width: auto;
  }

  .mobile-hero-copy {
    padding-top: 104px;
  }

  .mobile-hero-copy h1 span {
    display: block;
  }
}

@media (max-width: 430px) {
  .mobile-hero-copy h1 {
    font-size: clamp(32px, 10vw, 42px);
  }
}

/* Navigation integration ----------------------------------------------------
   The header is a direct child of .screen so sticky positioning remains valid
   across the full page, including when this page is embedded in React/Vue. */
.screen > .topbar {
  position: sticky;
  top: max(10px, env(safe-area-inset-top));
  left: auto;
  margin: 11px auto 0;
}

.screen > .topbar.is-stuck {
  border-color: rgba(133, 157, 212, 0.38);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 30px rgba(40, 61, 105, 0.16);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@media (min-width: 1025px) {
  .screen > .topbar {
    margin-top: 11px;
    margin-bottom: -62px;
  }
}

@media (max-width: 1024px) {
  .screen > .topbar {
    position: sticky;
    top: max(8px, env(safe-area-inset-top));
    right: auto;
    bottom: auto;
    left: auto;
    width: calc(100% - 32px);
    margin: max(8px, env(safe-area-inset-top)) 16px -70px;
  }

  .screen > .hero {
    padding-top: 94px;
  }

  .mobile-hero-copy {
    padding-top: 18px;
  }
}

/* Backend-controlled navigation visibility. When one or more items are
   disabled, flex layout closes the gaps on desktop and auto-fits on mobile. */
.primary-nav.nav-compact {
  display: flex;
  align-items: center;
  gap: 26px;
  width: auto;
}

.primary-nav.nav-compact .nav-link {
  position: static;
  left: auto;
}

[data-nav-key][hidden] {
  display: none !important;
}

@media (max-width: 1024px) {
  .primary-nav.nav-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 0;
  }
}

/* Interaction polish and responsive safeguards */
html { scroll-behavior: smooth; }
:focus-visible { outline: 3px solid rgba(61,157,233,.65); outline-offset: 3px; }
.toast {
  position: fixed; z-index: 20; left: 50%; bottom: 28px; transform: translate(-50%, 16px);
  padding: 12px 18px; border-radius: 999px; color: #fff; background: rgba(17,25,39,.9);
  box-shadow: 0 8px 24px rgba(20,35,65,.2); font-size: 14px; opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.code-tab { cursor: pointer; user-select: none; }
.code-tab.is-active { color: #3d9de9; border-bottom-color: #3d9de9; }
@media (max-width: 1024px) {
  html, body { min-width: 0; min-height: 100%; overflow-x: hidden; }
  .fit-shell, .fit-box, .screen { width: 100%; height: auto; min-height: 100vh; overflow: visible; }
  .screen { background: #f6f8fd; }
  .hero { position: relative; top: auto; left: auto; width: 100%; height: auto; min-height: 720px; }
  .hero-background, .hero-background-image { width: 100%; height: 520px; }
  .hero-background-image { object-fit: cover; object-position: 58% top; }
  .hero-actions { position: relative; top: auto; left: auto; width: calc(100% - 32px); height: auto; margin: 30px 16px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .hero-button { position: static; width: auto; height: 52px; font-size: 16px; line-height: 52px; }
  .hero-api-button { grid-column: 1 / -1; }
  .hero-statistics { position: relative; top: auto; left: auto; width: calc(100% - 32px); height: auto; margin: 30px 16px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-stat { position: static !important; width: auto !important; height: auto !important; min-height: 80px; padding: 12px 8px; border-radius: 12px; }
  .stat-icon { width: 26px !important; height: 26px !important; }
  .stat-value { font-size: 18px !important; }
  .stat-label { font-size: 11px !important; white-space: normal !important; }
  .mobile-hero-copy { position: relative; z-index: 3; }
  .screen > .topbar { z-index: 10; }
}

/* Header-only navigation: 首页 + 登录, pinned to the viewport while scrolling. */
.screen > .topbar {
  position: fixed !important;
  z-index: 1000;
  top: 12px !important;
  left: 50% !important;
  right: auto !important;
  width: 520px !important;
  height: 51px !important;
  margin: 0 !important;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}
.screen > .topbar .primary-nav {
  position: static;
  flex: 1;
  width: auto;
  height: 51px;
  margin-left: 20px;
}
.screen > .topbar .nav-home {
  position: static;
  display: block;
  width: max-content;
  padding-top: 16px;
}
.screen > .topbar .login-button {
  position: static;
  flex: 0 0 53px;
  margin-left: auto;
  margin-right: 8px;
}
@media (max-width: 1024px) {
  .screen > .topbar {
    top: max(8px, env(safe-area-inset-top)) !important;
    left: 12px !important;
    width: calc(100% - 24px) !important;
    height: 52px !important;
    transform: none;
    display: flex;
    padding: 8px 10px;
  }
  .screen > .topbar .primary-nav {
    flex: 1;
    height: 36px;
    margin-left: 12px;
    padding: 0;
    border: 0;
  }
  .screen > .topbar .nav-home {
    padding-top: 0;
    height: 36px;
    line-height: 36px;
  }
  .screen > .topbar .login-button {
    margin-right: 0;
  }
}

/* Final responsive header and hero corrections ---------------------------- */
:root { --site-header-height: 64px; }
html, body { max-width: 100%; overflow-x: hidden; }
body { padding-top: var(--site-header-height); }

/* The header lives directly under body, above the hero artwork. */
body > .topbar {
  position: fixed !important;
  z-index: 10000;
  top: 0 !important;
  right: 0 !important;
  left: 0 !important;
  display: flex;
  align-items: center;
  width: 100% !important;
  height: var(--site-header-height) !important;
  margin: 0 !important;
  padding: 0 clamp(20px, 5vw, 76px);
  transform: none !important;
  border: 0;
  border-bottom: 1px solid rgba(130, 146, 177, .18);
  border-radius: 0;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 5px 20px rgba(33, 54, 91, .08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
body > .topbar .primary-nav {
  position: static;
  display: flex;
  flex: 1;
  align-items: center;
  width: auto;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}
body > .topbar .nav-home {
  position: static;
  display: flex;
  align-items: center;
  width: auto;
  height: 100%;
  padding: 0 10px;
  color: #172033;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
}
body > .topbar .login-button {
  position: static;
  flex: 0 0 auto;
  width: auto;
  min-width: 68px;
  height: 38px;
  margin: 0;
  padding: 0 20px;
  border-radius: 20px;
  background: #3d9de9;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 38px;
}
body > .topbar .login-button:hover { background: #258ee0; }

/* Use the clean hero source. The composite already contains text and caused ghosting. */
.hero-background-composite { display: none !important; }
.hero-background-original { z-index: 2; }
.hero-statistics { z-index: 5; }
.stat-value {
  position: relative;
  z-index: 2;
  display: block;
  color: #0b101a;
  font-weight: 800;
  text-shadow: none !important;
  opacity: 1;
  transform: none;
}
.stat-label { position: relative; z-index: 2; text-shadow: none !important; }

/* Desktop scales fluidly from the 1530px reference design. */
@media (min-width: 1025px) {
  .fit-shell { width: 100%; max-width: 1530px; margin: 0 auto; }
}

/* Tablet and phone layouts use real responsive components instead of shrinking text. */
@media (max-width: 1024px) {
  :root { --site-header-height: 58px; }
  body > .topbar { padding: 0 clamp(14px, 4vw, 36px); }
  body > .topbar .nav-home { font-size: 15px; }
  body > .topbar .login-button { min-width: 64px; height: 36px; padding: 0 18px; line-height: 36px; }
  .hero-statistics {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }
  .hero-stat {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    min-width: 0;
    padding: 14px !important;
    background: rgba(255,255,255,.88);
    box-shadow: 0 8px 24px rgba(44,65,105,.08);
  }
  .stat-copy { position: static !important; width: auto !important; height: auto !important; min-width: 0; }
  .stat-value { height: auto !important; font-size: clamp(24px, 5vw, 34px) !important; line-height: 1.05 !important; }
  .stat-label { height: auto !important; margin-top: 6px; font-size: clamp(12px, 2.4vw, 16px) !important; line-height: 1.35 !important; white-space: normal !important; }
}

@media (max-width: 520px) {
  .hero-statistics { grid-template-columns: 1fr !important; }
  .hero-stat { min-height: 88px !important; }
  .stat-value { font-size: 28px !important; }
  .stat-label { font-size: 14px !important; }
}

/* On desktop the reference artwork already contains the four icons and labels;
   render only the live bold values over their reserved blank areas. */
@media (min-width: 1025px) {
  .hero-stat .stat-icon,
  .hero-stat .stat-label { visibility: hidden !important; }
  .hero-stat .stat-value { text-rendering: geometricPrecision; -webkit-font-smoothing: antialiased; }
}

/* Small-phone typography and artwork cleanup. */
@media (max-width: 520px) {
  body > .topbar { padding-right: 14px; padding-left: 14px; }
  body > .topbar .primary-nav { min-width: 0; }
  body > .topbar .login-button { display: block !important; flex: 0 0 auto; min-width: 62px; padding: 0 16px; }
  .mobile-hero-copy { width: 100%; min-width: 0; }
  .mobile-hero-copy img {
    clip-path: inset(14px 0 0 0);
    margin-top: -26px;
  }
  .mobile-hero-copy h1 {
    max-width: 100%;
    font-size: clamp(29px, 8.35vw, 35px);
    line-height: 1.18;
    letter-spacing: -0.055em;
    overflow-wrap: anywhere;
  }
  .mobile-hero-copy h1 span { display: block; }
  .mobile-hero-subtitle { font-size: 14px; line-height: 1.65; }
}


/* 2026-09-14: remove desktop hero text ghosting completely.
   Desktop uses the single finished hero artwork; HTML controls stay as invisible
   hit targets. Tablet/phone continue using the real responsive HTML content. */
@media (min-width: 1025px) {
  .hero-background-original {
    display: block !important;
    z-index: 2;
  }
  .hero-actions {
    opacity: 0 !important;
  }
  .hero-actions .hero-button {
    pointer-events: auto;
  }
  .hero-statistics {
    display: none !important;
  }
}

/* Navigation colors matched to the pale blue hero background. */
body > .topbar {
  border-bottom: 1px solid rgba(106, 143, 216, .20);
  background:
    linear-gradient(100deg, rgba(248, 250, 255, .97) 0%, rgba(237, 244, 255, .95) 58%, rgba(244, 248, 255, .97) 100%);
  box-shadow: 0 6px 22px rgba(70, 105, 170, .10);
}
body > .topbar .nav-home {
  height: 38px;
  margin: 0;
  padding: 0 18px;
  border-radius: 20px;
  background: rgba(91, 130, 235, .10);
  color: #315fce;
  line-height: 38px;
}
body > .topbar .login-button {
  background: linear-gradient(135deg, #6386ed 0%, #379de8 100%);
  box-shadow: 0 6px 15px rgba(61, 137, 226, .22);
}
body > .topbar .login-button:hover {
  background: linear-gradient(135deg, #5579e6 0%, #238fdf 100%);
}

/* 2026-09-16: seamless artwork treatment and centered floating navigation. */
:root {
  --surface-page: #f6f8fd;
  --nav-blue: #5680ed;
  --nav-cyan: #35a0e8;
}

/* Let the opening artwork continue beneath the floating navigation instead of
   introducing a separate header-colored strip. */
body {
  padding-top: 0 !important;
  background: var(--surface-page);
}

/* 首页 + 登录 form one compact, centered capsule. */
body > .topbar {
  position: fixed !important;
  z-index: 10000;
  top: max(14px, env(safe-area-inset-top)) !important;
  right: auto !important;
  left: 50% !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: max-content !important;
  height: 52px !important;
  margin: 0 !important;
  padding: 6px !important;
  transform: translate3d(-50%, 0, 0) scale(1);
  transform-origin: 50% 0;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(247, 250, 255, .72), rgba(231, 241, 255, .64));
  box-shadow: 0 8px 28px rgba(67, 101, 166, .10), inset 0 1px 0 rgba(255, 255, 255, .78);
  backdrop-filter: blur(16px) saturate(135%);
  -webkit-backdrop-filter: blur(16px) saturate(135%);
  transition:
    top .32s cubic-bezier(.2,.8,.2,1),
    transform .38s cubic-bezier(.2,.8,.2,1),
    background .32s ease,
    border-color .32s ease,
    box-shadow .32s ease;
  will-change: transform, top;
}

body > .topbar .primary-nav {
  position: static;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: auto;
  height: 40px;
  margin: 0;
  padding: 0;
  border: 0;
}

body > .topbar .nav-home,
body > .topbar .login-button {
  position: static;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 76px;
  height: 40px;
  margin: 0;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  transition: transform .24s ease, background .24s ease, color .24s ease, box-shadow .24s ease;
}

body > .topbar .nav-home {
  background: rgba(255, 255, 255, .56);
  color: #315fc8;
  box-shadow: inset 0 0 0 1px rgba(102, 139, 222, .10);
}

body > .topbar .login-button {
  min-width: 76px;
  background: linear-gradient(135deg, var(--nav-blue), var(--nav-cyan));
  color: #fff;
  box-shadow: 0 7px 16px rgba(58, 132, 226, .24);
}

body > .topbar .nav-home:hover,
body > .topbar .login-button:hover {
  transform: translateY(-1px);
}
body > .topbar .nav-home:hover {
  background: rgba(255, 255, 255, .86);
  color: #2758c4;
}
body > .topbar .login-button:hover {
  background: linear-gradient(135deg, #4f76e6, #248fdd);
  box-shadow: 0 9px 20px rgba(46, 123, 218, .30);
}

/* Scroll motion: the capsule becomes denser and more elevated after leaving
   the hero; direction classes add a subtle, source-site-like floating motion. */
body > .topbar.is-stuck {
  top: max(9px, env(safe-area-inset-top)) !important;
  transform: translate3d(-50%, 0, 0) scale(.94);
  border-color: rgba(169, 194, 239, .46);
  background: linear-gradient(120deg, rgba(255, 255, 255, .92), rgba(235, 244, 255, .89));
  box-shadow: 0 13px 34px rgba(41, 75, 140, .18), inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}
body > .topbar.is-scrolling-down {
  transform: translate3d(-50%, -4px, 0) scale(.91);
}
body > .topbar.is-scrolling-up {
  transform: translate3d(-50%, 2px, 0) scale(.96);
}

/* Remove hard card/image boundaries. Each illustration is color-blended into
   its parent surface, while cards use only soft tonal separation. */
.highlight-card,
.model-card,
.feature-code-card,
.onboarding-card,
.capability-card,
.solution-card {
  border-color: transparent !important;
  box-shadow: 0 16px 38px rgba(44, 68, 112, .065) !important;
  background-clip: padding-box;
  transition: transform .34s cubic-bezier(.2,.8,.2,1), box-shadow .34s ease;
}

.highlight-card {
  border-radius: 20px;
}
.highlight-integrations {
  background: radial-gradient(circle at 22% 18%, rgba(255,255,255,.82), transparent 38%), linear-gradient(145deg, #f4f8ff, #eaf2ff);
}
.highlight-routing {
  background: radial-gradient(circle at 80% 12%, rgba(255,255,255,.78), transparent 36%), linear-gradient(145deg, #f1fcf8, #e6f8f2);
}
.highlight-pricing {
  background: radial-gradient(circle at 22% 16%, rgba(255,255,255,.80), transparent 38%), linear-gradient(145deg, #faf6ff, #f1eaff);
}
.highlight-security {
  background: radial-gradient(circle at 76% 16%, rgba(255,255,255,.82), transparent 38%), linear-gradient(145deg, #fff9f2, #fff0e2);
}

.highlight-card:hover,
.model-card:hover,
.onboarding-card:hover,
.capability-card:hover,
.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 48px rgba(47, 73, 120, .11) !important;
}

/* Multiply removes the baked-in pale/white rectangle without changing asset
   files. The faint masks feather only decorative illustration edges. */
.highlight-asset,
.model-logo,
.onboarding-asset,
.capability-chart,
.solution-asset {
  mix-blend-mode: multiply;
  filter: saturate(.96) contrast(.985);
  transition: transform .36s cubic-bezier(.2,.8,.2,1), filter .36s ease;
}

.highlight-asset,
.onboarding-asset,
.solution-asset {
  -webkit-mask-image: radial-gradient(ellipse 96% 94% at center, #000 74%, rgba(0,0,0,.82) 88%, transparent 100%);
  mask-image: radial-gradient(ellipse 96% 94% at center, #000 74%, rgba(0,0,0,.82) 88%, transparent 100%);
}

.highlight-card:hover .highlight-asset,
.onboarding-card:hover .onboarding-asset,
.solution-card:hover .solution-asset {
  transform: translateY(-2px) scale(1.025);
  filter: saturate(1.03) contrast(.99);
}

/* The analytics images contain a light background; blending makes them read as
   part of the dashboard card rather than screenshots pasted on top. */
.capability-card {
  overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(150deg, rgba(255,255,255,.97), rgba(245,248,255,.92));
}
.capability-chart {
  opacity: .96;
}

.solution-card,
.onboarding-card,
.model-card {
  overflow: hidden;
}

@media (max-width: 1024px) {
  body > .topbar {
    top: max(10px, env(safe-area-inset-top)) !important;
    right: auto !important;
    left: 50% !important;
    width: max-content !important;
    height: 50px !important;
    padding: 5px !important;
    gap: 5px;
    transform: translate3d(-50%, 0, 0) scale(1);
  }
  body > .topbar .primary-nav { flex: 0 0 auto; height: 40px; }
  body > .topbar .nav-home,
  body > .topbar .login-button {
    min-width: 70px;
    height: 40px;
    padding: 0 17px;
  }
  body > .topbar.is-stuck { transform: translate3d(-50%, 0, 0) scale(.94); }
  body > .topbar.is-scrolling-down { transform: translate3d(-50%, -3px, 0) scale(.91); }
  body > .topbar.is-scrolling-up { transform: translate3d(-50%, 1px, 0) scale(.96); }

  .highlight-card,
  .model-card,
  .onboarding-card,
  .capability-card,
  .solution-card {
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body > .topbar,
  body > .topbar .nav-home,
  body > .topbar .login-button,
  .highlight-card,
  .model-card,
  .onboarding-card,
  .capability-card,
  .solution-card,
  .highlight-asset,
  .model-logo,
  .onboarding-asset,
  .capability-chart,
  .solution-asset {
    transition: none !important;
  }
}

/* 2026-09-16: place the capsule directly on the hero artwork and use a
   smaller live headline so desktop typography can be adjusted independently
   from the raster artwork. */
body > .topbar {
  top: max(6px, env(safe-area-inset-top)) !important;
}
body > .topbar.is-stuck {
  top: max(6px, env(safe-area-inset-top)) !important;
}

.desktop-hero-copy {
  position: absolute;
  z-index: 3;
  top: 24px;
  left: 45px;
  width: 670px;
  pointer-events: none;
}
.desktop-hero-copy h1 {
  color: #08101d;
  font-size: 54px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -2.5px;
  text-shadow: 0 1px 0 rgba(255,255,255,.24);
}
.desktop-hero-copy h1 span {
  color: #6486ee;
}
.desktop-hero-copy p {
  margin-top: 23px;
  color: #77869f;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: .2px;
}

@media (max-width: 1024px) {
  body > .topbar {
    top: max(6px, env(safe-area-inset-top)) !important;
  }
  body > .topbar.is-stuck {
    top: max(6px, env(safe-area-inset-top)) !important;
  }
  .desktop-hero-copy {
    display: none;
  }
}

/* 2026-09-16: the monitoring artwork already contains the three KPI values
   and the area chart. Keep one source of truth to eliminate doubled text and
   ghosted percentage labels in the observability card. */
.capability-monitoring .monitoring-summary {
  display: none !important;
}
.capability-monitoring .usage-chart {
  top: 151px;
}

@media (max-width: 1024px) {
  .capability-monitoring .usage-chart {
    margin-top: 16px;
  }
}