:root {
  --navy-950: #0a1220;
  --navy-900: #0f1b2d;
  --navy-800: #152238;
  --navy-700: #1c2d48;
  --navy-600: #243a5c;
  --gold-400: #d4a84b;
  --gold-300: #e8c878;
  --gold-200: #f0d9a0;
  --gold-soft: rgba(212, 168, 75, 0.12);
  --gold-border: rgba(212, 168, 75, 0.28);
  --text: #e8edf5;
  --text-muted: #9aabc4;
  --text-dim: #6b7d96;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--navy-950);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 18, 32, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  min-height: 40px;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo-img {
  display: block;
  height: 40px;
  width: auto;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold-400), #b8862e);
  display: grid;
  place-items: center;
  color: var(--navy-950);
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 14px;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.nav-links a.active {
  color: var(--gold-300);
  background: var(--gold-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 10px;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-ghost {
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--text); }

.btn-outline {
  color: var(--gold-300);
  border: 1px solid var(--gold-border);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold-soft);
  border-color: var(--gold-400);
  box-shadow: 0 4px 20px rgba(212, 168, 75, 0.15);
}

.btn-primary {
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
  border: 1px solid transparent;
  box-shadow: 0 4px 16px rgba(212, 168, 75, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(212, 168, 75, 0.4);
}

.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 12px; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
}

.menu-toggle svg { width: 22px; height: 22px; }

/* —— Hero (home) —— */
.hero {
  position: relative;
  padding: 96px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(212, 168, 75, 0.14), transparent 60%),
    radial-gradient(ellipse 40% 40% at 85% 40%, rgba(36, 58, 92, 0.5), transparent 50%),
    radial-gradient(ellipse 35% 35% at 10% 60%, rgba(28, 45, 72, 0.4), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  border-radius: 999px;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 8px var(--gold-400);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(180deg, var(--white) 30%, var(--gold-200));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.hero-meta-item strong {
  display: block;
  font-size: 1.15rem;
  color: var(--gold-300);
  font-weight: 700;
  margin-bottom: 2px;
}

.hero-meta-item span {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.hero-card {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gold-border), transparent 40%, transparent 60%, var(--gold-border));
  z-index: -1;
  opacity: 0.6;
  pointer-events: none;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.hero-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.status-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(72, 187, 120, 0.15);
  color: #68d391;
  border: 1px solid rgba(72, 187, 120, 0.3);
}

.doc-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 10px;
}

.doc-row:last-child { margin-bottom: 0; }

.doc-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.doc-row h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.doc-row p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.check-bar {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--gold-200);
}

.check-bar .score {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--gold-300);
  margin-left: auto;
}

/* —— Page hero (inner pages) —— */
.page-hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -20%, rgba(212, 168, 75, 0.12), transparent 55%);
  pointer-events: none;
}

.page-hero .container { position: relative; }

.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 14px;
  background: linear-gradient(180deg, var(--white) 40%, var(--gold-200));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero .page-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* —— Sections common —— */
section { padding: 88px 0; }

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
}

.section-header { margin-bottom: 8px; }

.section-header.centered {
  text-align: center;
}

.section-header.centered .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.section-footer-link {
  margin-top: 36px;
  text-align: center;
}

/* —— Features / cards —— */
.alt-bg {
  background: var(--navy-900);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 1.35rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.feature-card .card-points {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.feature-card .card-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-card .card-points li:last-child { margin-bottom: 0; }

.feature-card .card-points li::before {
  content: "✓";
  color: var(--gold-400);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card { min-height: 100%; }

/* Detail cards (product / services pages) */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.detail-card {
  background: linear-gradient(165deg, var(--navy-800) 0%, var(--navy-900) 100%);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-400), transparent);
}

.detail-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.detail-card .feature-icon { margin-bottom: 22px; }

.detail-card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.detail-card > p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.detail-card .card-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 12px;
}

.detail-card .card-points li:last-child { margin-bottom: 0; }

.detail-card .card-points li::before {
  content: "✓";
  color: var(--gold-400);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* —— Audience (home teaser) —— */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.audience-card {
  position: relative;
  background: linear-gradient(165deg, var(--navy-800) 0%, var(--navy-900) 100%);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  overflow: hidden;
}

.audience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-400), transparent);
}

.audience-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.audience-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--gold-soft);
  color: var(--gold-300);
  border: 1px solid var(--gold-border);
}

.audience-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.98rem;
}

.audience-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text);
  margin-bottom: 12px;
}

.audience-list li:last-child { margin-bottom: 0; }

.audience-list li::before {
  content: "✓";
  color: var(--gold-400);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* —— FAQ —— */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  background: var(--navy-800);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover,
.faq-item[open] {
  border-color: var(--gold-border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gold-400);
  flex-shrink: 0;
  transition: transform 0.2s;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-body {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* —— About / Contact —— */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: start;
}

.about-block {
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.about-block h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--gold-300);
}

.about-block p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.85;
  margin-bottom: 16px;
}

.about-block p:last-child { margin-bottom: 0; }

.contact-list {
  margin-top: 8px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.contact-list li:last-child { border-bottom: none; padding-bottom: 0; }
.contact-list li:first-child { padding-top: 0; }

.contact-list .label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.contact-list .value {
  font-size: 1rem;
  color: var(--text);
}

.contact-list .value.placeholder {
  color: var(--text-muted);
  font-style: italic;
}

/* —— CTA band —— */
.cta-band { padding: 72px 0; }

.cta-box {
  text-align: center;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-800));
  border: 1px solid var(--gold-border);
  border-radius: 20px;
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(212, 168, 75, 0.1), transparent 60%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 750;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  color: var(--text-muted);
  margin-bottom: 28px;
  position: relative;
}

.cta-box .hero-ctas {
  justify-content: center;
  margin-bottom: 0;
  position: relative;
}

/* —— Footer —— */
footer {
  padding: 48px 0 36px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold-300); }

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* —— Mobile —— */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 64px 0 72px; }
  .hero-card { max-width: 440px; }
  .features-grid,
  .services-grid,
  .detail-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 56px 0 40px; }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-actions .btn-ghost { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy-900);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 12px 24px 20px;
    gap: 4px;
    align-items: stretch;
  }

  .nav-links.open a {
    padding: 12px 14px;
  }

  .menu-toggle { display: inline-flex; }

  .nav-inner { position: relative; }

  section { padding: 64px 0; }

  .cta-box { padding: 40px 24px; }

  .hero-meta { gap: 20px; }

  .detail-card { padding: 28px 24px; }

  .about-block { padding: 28px 24px; }
}