:root {
  color-scheme: light;
  --bg: #edf1f7;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #121826;
  --muted: #61707f;
  --line: rgba(18, 24, 38, 0.1);
  --line-strong: rgba(18, 24, 38, 0.18);
  --blue: #2346d8;
  --blue-soft: rgba(35, 70, 216, 0.1);
  --shadow: 0 22px 54px rgba(18, 24, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 0%, rgba(35, 70, 216, 0.16), transparent 24%),
    radial-gradient(circle at 14% 10%, rgba(242, 153, 74, 0.12), transparent 22%),
    linear-gradient(180deg, #fbfcfe 0%, var(--bg) 100%);
}

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

img {
  display: block;
  max-width: 100%;
}

.shell {
  width: min(1320px, calc(100% - 28px));
  margin: 0 auto;
  padding: 16px 0 28px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  margin-bottom: 18px;
  background: rgba(251, 252, 254, 0.86);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, #121826, #2346d8);
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  flex: none;
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-text strong,
.brand-text small,
.nav a,
.eyebrow,
.section-head h2,
.hero h1,
.lead,
.hero-pills span,
.metric-card strong,
.info-item strong,
.feature-copy h3,
.feature-list strong,
.service-card h3,
.about-copy p,
.data-row strong,
.contact-card strong,
.footer p {
  overflow-wrap: anywhere;
}

.brand-text strong {
  font-size: 0.98rem;
  line-height: 1.2;
}

.brand-text small,
.eyebrow,
.lead,
.hero-pills span,
.metric-card span,
.info-item span,
.feature-kicker,
.feature-list span,
.service-card p,
.about-copy p,
.data-row span,
.contact-card span,
.contact-card small,
.footer-meta p {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 150ms ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(35, 70, 216, 0.08);
  border-color: var(--line);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: stretch;
}

.hero-copy,
.hero-aside,
.info-item,
.feature-panel,
.service-card,
.about-copy,
.about-data,
.data-row,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  min-height: 560px;
  padding: 40px;
  display: grid;
  align-content: center;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35, 70, 216, 0.16), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2 {
  margin: 0;
  color: var(--text);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 4.9rem);
  max-width: 11ch;
}

.lead {
  margin: 16px 0 0;
  max-width: 58ch;
  line-height: 1.8;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: 150ms ease;
}

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

.button-primary:hover {
  filter: brightness(1.05);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--line);
  color: var(--text);
}

.button-secondary:hover {
  background: #fff;
  border-color: var(--line-strong);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero-pills span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
}

.hero-aside {
  padding: 16px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-art img {
  width: 100%;
  aspect-ratio: 1.08 / 0.9;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #f2f5fb);
}

.hero-stack {
  display: grid;
  gap: 10px;
}

.metric-card {
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
}

.metric-card span,
.info-item span,
.feature-list span,
.data-row span,
.contact-card span,
.contact-card small {
  display: block;
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.metric-card strong,
.info-item strong,
.feature-list strong,
.service-card h3,
.data-row strong,
.contact-card strong {
  color: var(--text);
  font-weight: 600;
  line-height: 1.45;
}

.info-band {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.6fr;
  gap: 12px;
  margin-top: 14px;
}

.info-item {
  min-height: 96px;
  padding: 16px;
}

.section {
  padding-top: 46px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.2vw, 2.35rem);
  max-width: 18ch;
}

.services-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
}

.feature-panel {
  padding: 26px;
  min-height: 100%;
  display: grid;
  gap: 18px;
  align-content: start;
}

.feature-kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-copy h3 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.15;
}

.feature-copy p {
  margin: 14px 0 0;
  line-height: 1.78;
}

.feature-list {
  display: grid;
  gap: 10px;
}

.feature-list div {
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(248, 250, 255, 0.96);
  border: 1px solid var(--line);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.service-card {
  padding: 18px;
  min-height: 162px;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.service-card p,
.about-copy p {
  margin: 0;
  line-height: 1.78;
  color: var(--muted);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.about-copy,
.about-data {
  padding: 22px;
}

.about-copy {
  display: grid;
  gap: 14px;
}

.about-data {
  display: grid;
  gap: 12px;
}

.data-row {
  padding: 14px 16px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 12px;
}

.contact-card {
  min-height: 168px;
  padding: 20px;
  display: grid;
  align-content: start;
  gap: 6px;
}

.contact-primary {
  background: linear-gradient(135deg, #172033 0%, #2346d8 58%, #f2994a 180%);
  color: #fff;
  border-color: transparent;
}

.contact-primary span,
.contact-primary strong,
.contact-primary small {
  color: #fff;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 28px 2px 10px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 42px;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-meta a {
  color: var(--text);
  font-weight: 600;
}

.footer-meta a:hover {
  color: var(--blue);
}

@media (max-width: 1120px) {
  .hero,
  .services-layout,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .info-band,
  .service-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 18px, 1320px);
  }

  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy {
    min-height: auto;
    padding: 24px;
  }

  .hero h1 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .info-band,
  .service-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .hero-pills {
    gap: 8px;
  }
}