:root {
  color-scheme: light;
  --ink: #111111;
  --muted: #6e6e73;
  --soft: #f5f5f7;
  --line: #e8e8ed;
  --blue: #0071e3;
  --blue-dark: #005bb5;
  --green: #1d9b5f;
  --amber: #b7791f;
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #ffffff;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(232, 232, 237, 0.8);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: linear-gradient(135deg, #111111, #0071e3);
}

.site-nav {
  gap: 26px;
  font-size: 14px;
  color: #424245;
}

.site-nav a:hover {
  color: var(--blue);
}

.nav-cta {
  color: var(--blue);
  font-weight: 600;
}

.nav-toggle {
  display: none;
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 112px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 72px;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding-top: 80px;
  min-width: 0;
}

.hero-copy,
.hero-visual {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
}

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

h1 {
  max-width: 790px;
  margin-bottom: 24px;
  font-size: clamp(46px, 7vw, 86px);
  line-height: 1.03;
  font-weight: 800;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h1 br {
  display: none;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.08;
  font-weight: 800;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.22;
}

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.hero-text {
  max-width: 690px;
  margin-bottom: 34px;
  font-size: 21px;
  color: #424245;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

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

.button.secondary {
  color: var(--blue);
  border-color: rgba(0, 113, 227, 0.28);
  background: #ffffff;
}

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

.hero-visual {
  display: flex;
  justify-content: center;
}

.device-panel {
  width: min(100%, 470px);
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfd;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.09);
}

.panel-header,
.metric-grid,
.progress-list div,
.value-line {
  display: flex;
}

.panel-header {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  color: #1d1d1f;
  font-weight: 700;
}

.live-dot {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--green);
  background: #e9f8f0;
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.metric-grid div,
.insight-card,
.three-grid article,
.feature-grid article,
.industry-list article,
.faq-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.metric-grid div {
  padding: 14px;
}

.metric-grid strong {
  display: block;
  margin-bottom: 5px;
  font-size: 25px;
}

.metric-grid span {
  color: var(--muted);
  font-size: 13px;
}

.insight-card {
  padding: 18px;
  margin-bottom: 16px;
}

.insight-label {
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
}

.insight-card p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.6;
}

.progress-list {
  display: grid;
  gap: 12px;
}

.progress-list div {
  align-items: center;
  gap: 12px;
  color: #424245;
  font-size: 14px;
  min-width: 0;
}

.progress-list span {
  width: 72px;
  flex: 0 0 auto;
}

.progress-list i {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), #7ab8ff);
  max-width: calc(100% - 84px);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-heading.narrow {
  max-width: 740px;
}

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

.three-grid article,
.feature-grid article,
.faq-list article {
  padding: 28px;
}

.card-number {
  display: inline-block;
  margin-bottom: 38px;
  color: var(--blue);
  font-weight: 800;
}

.flow-section,
.industries,
.faq {
  width: 100%;
  max-width: none;
  background: var(--soft);
}

.flow-section > *,
.industries > *,
.faq > * {
  width: min(var(--max), calc(100% - 48px));
  margin-left: auto;
  margin-right: auto;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.flow article {
  padding: 30px;
  background: #ffffff;
}

.flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 46px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--ink);
  font-weight: 800;
}

.features {
  padding-bottom: 72px;
}

.promo-film {
  padding-top: 64px;
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #000000;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.11);
}

.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--soft);
}

.feature-grid {
  grid-template-columns: repeat(2, 1fr);
}

.industry-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.industry-list article {
  padding: 24px;
}

.industry-list h3 {
  font-size: 20px;
}

.philosophy {
  text-align: center;
}

.philosophy h2 {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.value-line {
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.value-line span {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #424245;
  background: #ffffff;
  font-weight: 600;
}

.demo-cta {
  width: min(var(--max), calc(100% - 48px));
  margin-bottom: 72px;
  padding: 72px;
  border-radius: var(--radius);
  color: #ffffff;
  background: #111111;
  text-align: center;
}

.demo-cta .eyebrow,
.demo-cta p {
  color: rgba(255, 255, 255, 0.72);
}

.demo-cta h2 {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.demo-cta p {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 28px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.46);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  padding: 34px;
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.22);
}

.modal-card p {
  margin-bottom: 24px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  color: #424245;
  background: var(--soft);
  font-size: 22px;
  cursor: pointer;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    min-height: auto;
  }

  .industry-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .site-header {
    height: 58px;
    padding: 0 18px;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: var(--soft);
    cursor: pointer;
  }

  .nav-toggle span {
    width: 16px;
    height: 2px;
    margin: 0 auto;
    border-radius: 999px;
    background: var(--ink);
  }

  .site-nav {
    position: absolute;
    top: 58px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 18px 18px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 12px 0;
  }

  .section,
  .flow-section > *,
  .industries > *,
  .faq > *,
  .demo-cta {
    width: calc(100% - 36px);
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    padding-top: 58px;
  }

  h1 {
    font-size: 36px;
    line-height: 1.08;
    word-break: break-all;
  }

  h1 br {
    display: block;
  }

  h2 {
    font-size: 34px;
  }

  h3 {
    font-size: 20px;
  }

  .hero-text {
    font-size: 18px;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .button {
    width: 100%;
  }

  .metric-grid,
  .three-grid,
  .feature-grid,
  .faq-list,
  .flow,
  .industry-list {
    grid-template-columns: 1fr;
  }

  .section-heading {
    text-align: left;
  }

  .flow article,
  .three-grid article,
  .feature-grid article,
  .industry-list article,
  .faq-list article {
    padding: 24px;
  }

  .card-number,
  .flow span {
    margin-bottom: 28px;
  }

  .demo-cta {
    padding: 48px 24px;
  }

  .device-panel {
    padding: 20px;
  }

  .progress-list div {
    align-items: flex-start;
  }

  .progress-list span {
    width: 70px;
  }

  .progress-list i {
    width: auto !important;
    flex: 1 1 auto;
    max-width: none;
  }

  .insight-card p {
    word-break: break-all;
  }

  .site-footer {
    flex-direction: column;
    width: calc(100% - 36px);
  }
}
