:root {
  --navy: #121826;
  --navy-2: #0066cc;
  --navy-3: #0a84ff;
  --gold: #d6a84f;
  --gold-soft: #ead7ac;
  --text: #121826;
  --muted: #667085;
  --line: rgba(18, 24, 38, 0.1);
  --paper: #fbfbfd;
  --soft: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(18, 24, 38, 0.08);
  --shadow-soft: 0 12px 36px rgba(18, 24, 38, 0.06);
  --brand-blue: #0066cc;
  --brand-blue-soft: #e8f2ff;
  --brand-aqua: #5ac8fa;
  --font-cn: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  --font-en: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
}

html {
  background: var(--paper);
  color-scheme: light;
  text-rendering: geometricPrecision;
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 102, 204, 0.08), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 42%, #ffffff 100%);
  font-family: var(--font-cn);
  font-size: 17px;
  letter-spacing: -0.01em;
}

::selection {
  color: #ffffff;
  background: var(--brand-blue);
}

.topbar,
.hero-body,
.section,
.footer-inner {
  width: min(1180px, calc(100vw - 56px));
}

.topbar {
  position: fixed;
  top: 12px;
  left: 50%;
  z-index: 20;
  width: min(1180px, calc(100vw - 32px));
  min-height: 56px;
  padding: 10px 14px 10px 18px;
  transform: translateX(-50%);
  border: 1px solid rgba(18, 24, 38, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 48px rgba(18, 24, 38, 0.08);
  backdrop-filter: blur(22px) saturate(180%);
}

.brand-frame {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.brand-logo,
.footer-logo {
  width: 136px;
  filter: none;
}

.nav-links {
  gap: 8px;
  color: var(--brand-blue);
  font-family: var(--font-cn);
  font-size: 13px;
  font-weight: 650;
}

.nav-links a {
  display: inline-flex;
  min-height: 38px;
  padding: 7px 13px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 102, 204, 0.08);
  border-radius: 999px;
  background: rgba(0, 102, 204, 0.06);
  color: var(--brand-blue);
  line-height: 1.1;
  text-align: center;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #ffffff;
  background: var(--brand-blue);
  box-shadow: 0 10px 26px rgba(0, 102, 204, 0.18);
  transform: translateY(-1px);
}

.nav-links a[aria-current="page"]::after {
  display: none;
}

.hero {
  min-height: 54vh;
  padding: 126px 32px 86px;
  color: var(--text);
  border-bottom: 1px solid rgba(18, 24, 38, 0.08);
  background:
    radial-gradient(circle at 72% 20%, rgba(90, 200, 250, 0.17), transparent 19rem),
    radial-gradient(circle at 18% 18%, rgba(0, 102, 204, 0.1), transparent 21rem),
    linear-gradient(180deg, #ffffff 0%, #fbfdff 64%, #ffffff 100%);
}

.hero-grid {
  opacity: 0.34;
  background:
    linear-gradient(rgba(18, 24, 38, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 24, 38, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 80%);
}

.page-home .hero {
  min-height: 70vh;
}

.hero-body {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: 42vh;
  padding-top: 0;
}

.page-home .hero-body {
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  min-height: 48vh;
  text-align: center;
}

.page-home .hero-copy {
  width: min(960px, 100%);
  margin-inline: auto;
}

.hero-body-compact {
  min-height: 40vh;
  align-items: center;
}

h1,
h2,
h3,
strong,
.button,
.card-index,
.card-no {
  font-family: var(--font-cn);
}

h1,
h2,
h3 {
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.055em;
}

h1 {
  max-width: min(940px, 100%);
  font-size: clamp(50px, 7vw, 92px);
  line-height: 0.98;
}

.hero-subpage h1 {
  max-width: min(900px, 100%);
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.05;
}

h2 {
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.06;
}

h3 {
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.2;
}

p,
li,
span,
label {
  line-height: 1.72;
}

.hero-kicker,
.section-kicker,
.panel-kicker,
.resource-label,
.matrix-card span,
.contact-strip span,
.card-index,
.product-module-card span {
  color: var(--brand-blue);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 720;
  letter-spacing: 0.06em;
}

.hero-subtitle,
.section-intro,
.detail-card p,
.product-center-card > p,
.advantage-card p,
.matrix-card p,
.resource-card p,
.footer-brand p,
.footer-action p {
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.72;
}

.hero-subtitle {
  max-width: 760px;
  margin-top: 26px;
}

.page-home .hero-subtitle {
  margin-inline: auto;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.42;
}

.hero-actions {
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.button.primary {
  color: #ffffff;
  background: var(--brand-blue);
  border: 1px solid var(--brand-blue);
  box-shadow: 0 14px 34px rgba(0, 102, 204, 0.2);
}

.button.secondary {
  color: var(--brand-blue);
  background: transparent;
  border: 1px solid transparent;
}

.button:hover,
.text-link:hover,
.product-module-card:hover {
  transform: translateY(-3px);
}

.section {
  padding: clamp(72px, 9vw, 118px) 0;
}

.section-heading {
  gap: 14px;
  max-width: 920px;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.home-products-heading {
  max-width: 980px;
}

.split-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.75fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
}

.product-module-grid {
  gap: 18px;
}

.product-module-card {
  min-height: 372px;
  padding: 28px;
  border: 1px solid rgba(18, 24, 38, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.product-module-card:hover {
  border-color: rgba(0, 102, 204, 0.22);
  box-shadow: 0 28px 80px rgba(18, 24, 38, 0.12);
}

.product-module-card::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 34%, rgba(255, 255, 255, 0.26) 100%),
    linear-gradient(135deg, rgba(0, 102, 204, 0.04), rgba(90, 200, 250, 0.08));
}

.product-module-card strong {
  margin-top: 12px;
  color: var(--text);
  font-size: 25px;
  font-weight: 760;
  letter-spacing: -0.04em;
}

.product-module-card p {
  max-width: 15em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.hero-meta-card,
.detail-card,
.product-center-card,
.advantage-card,
.contact-strip,
.matrix-card,
.resource-card,
.brand-panel {
  border: 1px solid rgba(18, 24, 38, 0.08);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78)),
    var(--soft);
  box-shadow: var(--shadow-soft);
}

.hero-meta-card,
.detail-card,
.product-center-card,
.advantage-card,
.matrix-card,
.resource-card,
.brand-panel {
  padding: clamp(26px, 3vw, 38px);
}

.product-center-grid,
.advantage-grid,
.case-matrix,
.resource-grid,
.detail-two-column {
  gap: 18px;
}

.featured-center-card {
  background:
    radial-gradient(circle at 85% 12%, rgba(90, 200, 250, 0.16), transparent 18rem),
    linear-gradient(180deg, #ffffff, #f4f9ff);
}

.product-center-head {
  gap: 16px;
}

.product-center-tagline {
  color: var(--brand-blue);
  font-weight: 700;
}

.product-center-block {
  border-top: 1px solid rgba(18, 24, 38, 0.08);
}

.text-link {
  color: var(--brand-blue);
  font-family: var(--font-cn);
  font-weight: 720;
}

.panel-stats div {
  border: 1px solid rgba(18, 24, 38, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
}

.footer {
  padding: 56px 32px 64px;
  color: var(--muted);
  background:
    radial-gradient(circle at 18% 0%, rgba(0, 102, 204, 0.08), transparent 22rem),
    #f5f7fb;
  border-top: 1px solid rgba(18, 24, 38, 0.08);
}

.footer-inner {
  gap: clamp(28px, 5vw, 72px);
}

.footer-info {
  gap: 20px;
}

.footer-info strong {
  color: var(--text);
  font-size: 17px;
  font-weight: 680;
}

.bilingual-en {
  margin-top: 0.24em;
  color: rgba(18, 24, 38, 0.5);
  font-family: var(--font-en);
  font-weight: 520;
  letter-spacing: 0;
}

.hero .bilingual-en,
.hero-meta-card label > .bilingual-en,
.hero-meta-card strong > .bilingual-en {
  color: rgba(18, 24, 38, 0.48) !important;
}

h1 > .bilingual-en {
  max-width: 840px;
  margin-top: 0.42em;
  color: var(--muted) !important;
  font-size: clamp(17px, 1.45vw, 23px);
  font-weight: 560;
  line-height: 1.34;
  letter-spacing: -0.01em;
}

.page-home h1 > .bilingual-en {
  margin-inline: auto;
}

h2 > .bilingual-en {
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.34;
}

h3 > .bilingual-en,
.product-module-card strong > .bilingual-en,
.panel-title > .bilingual-en,
.contact-strip strong > .bilingual-en {
  font-size: 0.56em;
  line-height: 1.32;
}

.nav-links a > .bilingual-en,
.button > .bilingual-en,
.text-link > .bilingual-en {
  font-size: 10px;
  opacity: 0.76;
}

.section-kicker > .bilingual-en,
.hero-kicker > .bilingual-en,
.panel-kicker > .bilingual-en,
.resource-label > .bilingual-en,
.card-index > .bilingual-en,
.product-module-card span > .bilingual-en {
  font-size: 0.78em;
  letter-spacing: 0.02em;
}

@media (max-width: 1080px) {
  .topbar,
  .hero-body,
  .section,
  .footer-inner {
    width: min(100% - 36px, 920px);
  }

  .hero-body,
  .split-head {
    grid-template-columns: 1fr;
  }

  .product-module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .topbar {
    top: 8px;
    width: calc(100vw - 16px);
    min-height: 52px;
    padding: 8px 10px 8px 12px;
    border-radius: 26px;
  }

  .brand-logo {
    width: 104px;
  }

  .nav-links {
    max-width: calc(100vw - 138px);
    gap: 6px;
    font-size: 12px;
  }

  .nav-links a {
    min-height: 34px;
    padding: 6px 10px;
    white-space: nowrap;
  }

  .nav-links a > .bilingual-en {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 104px 18px 58px;
  }

  .page-home .hero {
    min-height: auto;
  }

  .hero-body,
  .section,
  .footer-inner {
    width: calc(100vw - 32px);
  }

  .page-home .hero-body,
  .hero-body,
  .hero-body-compact {
    min-height: auto;
  }

  h1,
  .hero-subpage h1 {
    max-width: 100%;
    font-size: clamp(42px, 13vw, 56px);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(31px, 9vw, 42px);
  }

  h3 {
    font-size: 22px;
  }

  .hero-subtitle,
  .page-home .hero-subtitle,
  .section-intro {
    font-size: 17px;
    line-height: 1.56;
  }

  .section {
    padding: 62px 0;
  }

  .product-module-grid {
    grid-template-columns: 1fr;
  }

  .product-module-card {
    min-height: 312px;
    padding: 24px;
    border-radius: 24px;
  }

  .hero-meta-card,
  .detail-card,
  .product-center-card,
  .advantage-card,
  .contact-strip,
  .matrix-card,
  .resource-card,
  .brand-panel {
    padding: 24px;
    border-radius: 24px;
  }

  .footer {
    padding: 42px 16px 52px;
  }

  h1 > .bilingual-en {
    font-size: 16px;
  }
}