:root {
  --ink: #111318;
  --ink-2: #232832;
  --muted: #667085;
  --soft: #f8fafc;
  --paper: #ffffff;
  --card: #ffffff;
  --line: #e5e7eb;
  --line-dark: rgba(255, 255, 255, 0.14);
  --gold: #c49b52;
  --gold-2: #e4c985;
  --cyan: #4ecdc4;
  --dark: #07090d;
  --dark-2: #11151d;
  --shadow: 0 24px 70px rgba(17, 19, 24, 0.12);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, #111318, #3b3327 58%, #c49b52);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(17, 19, 24, 0.18);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong { font-size: 18px; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  color: #424854;
}
.site-nav a {
  transition: color .2s ease;
}
.site-nav a:hover { color: var(--gold); }
.nav-cta {
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid rgba(196, 155, 82, 0.46);
  color: var(--ink) !important;
  font-weight: 700;
}
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
}

.hero {
  position: relative;
  min-height: clamp(520px, 70svh, 660px);
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 9, 13, 0.96) 0%, rgba(7, 9, 13, 0.82) 36%, rgba(7, 9, 13, 0.38) 66%, rgba(7, 9, 13, 0.18) 100%),
    linear-gradient(180deg, rgba(7, 9, 13, 0.2) 0%, rgba(7, 9, 13, 0.48) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 50px 0 34px;
}
.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: 13px;
  margin: 0 0 16px;
}
.eyebrow::before,
.section-label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}
.hero h1 {
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1;
  letter-spacing: 0;
  margin: 0 0 20px;
}
.hero-lede {
  margin: 0 0 18px;
  max-width: 760px;
  color: #f8efe1;
  font-size: clamp(23px, 2.55vw, 32px);
  font-weight: 700;
  line-height: 1.2;
}
.hero-subtitle {
  max-width: 680px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #191511;
  box-shadow: 0 18px 42px rgba(196, 155, 82, 0.28);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(12px);
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 190px));
  gap: 1px;
  max-width: 650px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
}
.hero-metrics div {
  min-height: 78px;
  padding: 16px 18px;
  background: rgba(7, 9, 13, 0.38);
  backdrop-filter: blur(14px);
}
.hero-metrics strong {
  display: block;
  color: var(--gold-2);
  font-size: 15px;
  margin-bottom: 8px;
}
.hero-metrics span {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.section { padding: 92px 0; }
.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}
.section-head h2,
.statement-grid h2,
.scenario-copy h2,
.contact-card h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0 0 18px;
}
.section-head p,
.lead,
.statement-copy p,
.contact-card p {
  color: var(--muted);
  font-size: 18px;
}

.statement-section {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding-top: 56px;
}
.statement-grid {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: 64px;
  align-items: start;
}
.statement-copy p {
  margin: 42px 0 28px;
}
.capability-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line);
}
.capability-strip span {
  padding: 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}
.capability-strip span:nth-child(2n) { border-left: 1px solid var(--line); }
.capability-strip span:nth-last-child(-n + 2) { border-bottom: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 16px 45px rgba(17, 19, 24, 0.05);
}
.card-number {
  color: var(--gold);
  font-weight: 900;
  font-size: 14px;
}
.card h3 {
  margin: 12px 0 14px;
  font-size: 22px;
}
.card p {
  color: var(--muted);
  margin: 0 0 20px;
}
ul {
  padding-left: 18px;
  margin: 0;
  color: #4b5563;
}
li + li { margin-top: 6px; }

.dark-section {
  background: var(--dark);
  color: #fff;
  position: relative;
}
.section-head.light p { color: rgba(255, 255, 255, 0.66); }
.solution-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  align-items: stretch;
}
.solution-feature {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 34px;
  background:
    linear-gradient(180deg, rgba(196, 155, 82, 0.18), rgba(196, 155, 82, 0.04)),
    #10131a;
  min-height: 100%;
}
.solution-feature span {
  color: var(--gold-2);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
}
.solution-feature h3 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  margin: 22px 0 18px;
}
.solution-feature p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-size: 18px;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.solution-card {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 26px;
}
.solution-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}
.solution-card p {
  color: rgba(255, 255, 255, 0.64);
  margin: 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.timeline-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  min-height: 230px;
}
.timeline-item span {
  display: block;
  color: var(--gold);
  font-weight: 900;
  margin-bottom: 24px;
}
.timeline-item h3 {
  margin: 0 0 10px;
}
.timeline-item p {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
}

.scenario-section {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.scenario-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.industry-list {
  display: grid;
  gap: 12px;
}
.industry-list article {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  align-items: center;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.industry-list strong {
  color: var(--ink);
  font-size: 18px;
}
.industry-list span {
  color: var(--muted);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}
summary {
  cursor: pointer;
  font-weight: 800;
}
details p {
  color: var(--muted);
  margin: 14px 0 0;
}

.contact-section {
  padding: 92px 0;
  background: var(--dark);
  color: #fff;
}
.contact-card {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(196, 155, 82, 0.16), rgba(78, 205, 196, 0.06)),
    var(--dark-2);
}
.contact-card p {
  color: rgba(255, 255, 255, 0.68);
}
.contact-actions {
  display: grid;
  justify-items: center;
  gap: 12px;
}
.contact-actions p {
  margin: 0;
  text-align: center;
}
.contact-actions .btn {
  width: min(100%, 270px);
}
.qr-contact {
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(100%, 290px);
}
.contact-qr {
  width: min(100%, 270px);
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}
.qr-copy {
  text-align: center;
}
.qr-copy strong {
  display: block;
  color: #fff;
  font-size: 18px;
}
.qr-copy span {
  display: block;
  color: rgba(255, 255, 255, 0.66);
  margin-top: 4px;
}

.site-footer {
  background: #050609;
  color: #fff;
  padding: 38px 0 22px;
}
.footer-grid {
  display: flex;
  justify-content: flex-start;
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-grid p,
.footer-bottom {
  color: rgba(255, 255, 255, 0.62);
}
.footer-grid div {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-grid a:hover { color: var(--gold-2); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  font-size: 14px;
}

@media (max-width: 1020px) {
  .statement-grid,
  .solution-layout,
  .scenario-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .statement-copy p { margin-top: 0; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    left: 14px;
    right: 14px;
    top: 76px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px;
    border-radius: 6px;
  }
  .nav-cta { text-align: center; }
  .brand-text strong { font-size: 16px; }
  .hero {
    min-height: 700px;
    align-items: flex-end;
  }
  .hero-bg { object-position: 62% center; }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(7, 9, 13, 0.26) 0%, rgba(7, 9, 13, 0.9) 48%, rgba(7, 9, 13, 0.98) 100%),
      linear-gradient(90deg, rgba(7, 9, 13, 0.82), rgba(7, 9, 13, 0.28));
  }
  .hero-content { padding: 56px 0 30px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { margin-bottom: 28px; }
  .hero-metrics,
  .cards,
  .solution-grid,
  .timeline,
  .capability-strip {
    grid-template-columns: 1fr;
  }
  .hero-metrics { max-width: 100%; }
  .hero-metrics div {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }
  .hero-metrics strong { margin-bottom: 0; }
  .capability-strip span,
  .capability-strip span:nth-child(2n),
  .capability-strip span:nth-last-child(-n + 2) {
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .capability-strip span:last-child { border-bottom: 0; }
  .section { padding: 66px 0; }
  .statement-section { padding-top: 36px; }
  .industry-list article {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .contact-card { padding: 28px; }
  .contact-actions,
  .contact-actions p,
  .qr-copy {
    text-align: left;
    justify-items: start;
  }
  .qr-contact {
    justify-items: start;
  }
  .footer-grid,
  .footer-bottom {
    flex-direction: column;
  }
}