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

:root {
  --navy:     #1a2e3b;
  --navy-dk:  #111d25;
  --gold:     #d4a017;
  --gold-lt:  #e8bb40;
  --white:    #ffffff;
  --off-white:#f7f6f2;
  --gray:     #6a7f8e;
  --light:    #edf1f4;
  --border:   #dde3e8;
  --text:     #1a2e3b;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; flex-shrink: 0;
}
.nav-logo-svg { width: 42px; height: 42px; }
.nav-brand { display: flex; flex-direction: column; line-height: 1.2; }
.nav-brand-en {
  font-family: Georgia, serif;
  font-size: 13.5px; font-weight: 700;
  color: var(--white); letter-spacing: 0.8px;
}
.nav-brand-cn { font-size: 11px; color: var(--gold); letter-spacing: 3px; }

.nav-links { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.82);
  text-decoration: none; font-size: 13.5px;
  padding: 6px 12px; border-radius: 4px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }

.nav-lang-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85) !important;
  padding: 5px 14px !important;
  border-radius: 20px !important;
  font-size: 12px !important;
  cursor: pointer;
  transition: all 0.2s !important;
}
.nav-lang-btn:hover { background: rgba(212,160,23,0.2) !important; border-color: var(--gold) !important; color: var(--gold) !important; }

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  padding: 8px 18px !important;
  border-radius: 4px !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--gold-lt) !important; }

.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all 0.3s;
}

/* ── PAGE WRAPPER ── */
.page-top { margin-top: 64px; }

/* ── HERO ── */
.hero {
  background: var(--navy);
  position: relative; overflow: hidden;
  padding: 88px 40px 120px;
  display: flex; align-items: center; justify-content: center;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212,160,23,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,160,23,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero::after {
  content: '';
  position: absolute; bottom: -1px; left: 0; right: 0;
  height: 70px; background: var(--off-white);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 920px; width: 100%;
  display: flex; align-items: center; gap: 64px;
}
.hero-logo-wrap { flex-shrink: 0; }
.hero-logo-wrap svg { width: 150px; height: auto; }
.hero-text { flex: 1; }
.hero-eyebrow {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.hero-title {
  font-family: Georgia, serif;
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700; color: var(--white);
  line-height: 1.28; margin-bottom: 16px;
}
.hero-title span { color: var(--gold); }
.hero-sub {
  font-size: 15px; color: rgba(255,255,255,0.7);
  max-width: 480px; margin-bottom: 28px; line-height: 1.75;
}
.hero-checks {
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  list-style: none; margin-bottom: 32px;
}
.hero-checks li { color: rgba(255,255,255,0.82); font-size: 14px; }
.hero-checks li::before { content: '✓  '; color: var(--gold); font-weight: 700; }

/* ── BUTTONS ── */
.btn {
  display: inline-block; text-decoration: none;
  padding: 13px 28px; border-radius: 4px;
  font-weight: 700; font-size: 14px;
  transition: all 0.2s; cursor: pointer; border: none;
}
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-lt); }
.btn-outline {
  border: 2px solid rgba(255,255,255,0.38);
  color: var(--white); background: transparent; margin-left: 10px;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: #243647; }

/* ── SECTIONS ── */
section { padding: 80px 40px; }
.section-inner { max-width: 1060px; margin: 0 auto; }
.section-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.section-title {
  font-family: Georgia, serif;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700; color: var(--navy); margin-bottom: 12px;
}
.section-sub {
  font-size: 15px; color: var(--gray);
  max-width: 560px; line-height: 1.7; margin-bottom: 44px;
}

/* ── SERVICES GRID ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 8px; padding: 28px 24px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
}
.service-card:hover {
  border-color: var(--gold);
  box-shadow: 0 6px 24px rgba(212,160,23,0.13);
  transform: translateY(-3px);
}
.service-icon {
  width: 44px; height: 44px;
  background: var(--navy); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 {
  font-family: Georgia, serif;
  font-size: 16px; font-weight: 700;
  color: var(--navy); margin-bottom: 8px;
}
.service-card p { font-size: 14px; color: var(--gray); line-height: 1.65; }

/* ── WHY US ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}
.why-item { display: flex; gap: 14px; align-items: flex-start; }
.why-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0; margin-top: 6px;
}
.why-item h4 {
  font-family: Georgia, serif;
  font-size: 15px; font-weight: 700;
  color: var(--navy); margin-bottom: 5px;
}
.why-item p { font-size: 14px; color: var(--gray); line-height: 1.6; }

/* ── CASES ── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.case-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 10px; overflow: hidden;
  transition: box-shadow 0.25s, transform 0.2s;
}
.case-card:hover {
  box-shadow: 0 8px 28px rgba(26,46,59,0.12);
  transform: translateY(-3px);
}
.case-img {
  width: 100%; height: 180px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.case-img svg { width: 64px; height: 64px; opacity: 0.6; }
.case-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--gold); color: var(--navy);
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 20px;
  text-transform: uppercase;
}
.case-body { padding: 22px 22px 24px; }
.case-body h3 {
  font-family: Georgia, serif;
  font-size: 16px; font-weight: 700;
  color: var(--navy); margin-bottom: 8px;
}
.case-body p { font-size: 13.5px; color: var(--gray); line-height: 1.65; margin-bottom: 14px; }
.case-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.case-badge {
  background: var(--off-white); border: 1px solid var(--border);
  color: var(--gray); font-size: 11px;
  padding: 3px 10px; border-radius: 20px;
}

/* ── AREAS ── */
.areas { background: var(--navy); }
.areas .section-title { color: var(--white); }
.areas .section-sub { color: rgba(255,255,255,0.58); }
.areas-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.area-tag {
  border: 1.5px solid rgba(212,160,23,0.45);
  color: rgba(255,255,255,0.82);
  padding: 7px 18px; border-radius: 30px;
  font-size: 13px; transition: all 0.2s;
}
.area-tag:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }

/* ── CONTACT FORM ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.contact-info h3 {
  font-family: Georgia, serif;
  font-size: 20px; font-weight: 700;
  color: var(--navy); margin-bottom: 20px;
}
.contact-row {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--navy); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-row-text a {
  display: block; text-decoration: none;
  color: var(--navy); font-size: 15px; font-weight: 600;
  transition: color 0.2s;
}
.contact-row-text a:hover { color: var(--gold); }
.contact-row-text small { font-size: 12px; color: var(--gray); }

.form-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 10px; padding: 36px;
}
.form-card h3 {
  font-family: Georgia, serif;
  font-size: 18px; font-weight: 700;
  color: var(--navy); margin-bottom: 22px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--navy); margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: 6px;
  font-size: 14px; color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,160,23,0.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-success {
  display: none; text-align: center; padding: 24px;
  color: #2e7d32; background: #f1f8f1;
  border: 1.5px solid #a5d6a7; border-radius: 8px;
  margin-top: 12px;
}
.form-success.show { display: block; }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: var(--navy);
  padding: 72px 40px 110px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212,160,23,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,160,23,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero::after {
  content: '';
  position: absolute; bottom: -1px; left: 0; right: 0;
  height: 70px; background: var(--off-white);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.page-hero-inner { position: relative; z-index: 1; max-width: 1060px; margin: 0 auto; }
.page-hero .section-label { margin-bottom: 10px; }
.page-hero h1 {
  font-family: Georgia, serif;
  font-size: clamp(28px, 3.8vw, 42px);
  font-weight: 700; color: var(--white);
  line-height: 1.25; margin-bottom: 14px;
}
.page-hero h1 span { color: var(--gold); }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.65); max-width: 580px; line-height: 1.7; }
.page-hero .hero-checks {
  margin-top: 20px;
}
.page-hero .hero-checks li { color: rgba(255,255,255,0.82); font-size: 14px; }
.page-hero .hero-checks li::before { content: '✓  '; color: var(--gold); font-weight: 700; }

/* ── FOOTER ── */
footer {
  background: var(--navy-dk);
  color: rgba(255,255,255,0.45);
  padding: 40px;
  font-size: 13px;
}
.footer-inner {
  max-width: 1060px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 32px; margin-bottom: 32px;
}
.footer-brand-en {
  font-family: Georgia, serif;
  font-size: 15px; font-weight: 700;
  color: var(--white); margin-bottom: 4px;
}
.footer-brand-cn { font-size: 12px; color: var(--gold); letter-spacing: 3px; margin-bottom: 12px; }
.footer-desc { font-size: 13px; line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-size: 13px; font-weight: 700;
  color: var(--white); margin-bottom: 12px; letter-spacing: 0.5px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.45);
  text-decoration: none; font-size: 13px;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  max-width: 1060px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom span { color: var(--gold); }

/* ── BG VARIANTS ── */
.bg-off { background: var(--off-white); }
.bg-white { background: var(--white); }
.bg-navy { background: var(--navy); }

/* ── DIVIDER ── */
.gold-divider {
  width: 48px; height: 3px;
  background: var(--gold); border-radius: 2px;
  margin-bottom: 32px;
}

/* ── STATS BAR ── */
.stats-bar {
  background: var(--gold);
  padding: 28px 40px;
}
.stats-inner {
  max-width: 1060px; margin: 0 auto;
  display: flex; justify-content: space-around;
  flex-wrap: wrap; gap: 20px;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: Georgia, serif;
  font-size: 32px; font-weight: 700;
  color: var(--navy); line-height: 1;
}
.stat-label { font-size: 13px; color: rgba(26,46,59,0.72); margin-top: 4px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; flex-direction: column; gap: 0; }
  .nav-links.open {
    display: flex;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--navy);
    padding: 12px 0 20px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
  }
  .nav-links.open a { padding: 12px 24px; display: block; }
  .hamburger { display: flex; }

  .hero { padding: 52px 24px 100px; }
  .hero-inner { flex-direction: column; gap: 28px; text-align: center; }
  .hero-logo-wrap svg { width: 110px; }
  .hero-checks { justify-content: center; }
  .btn-outline { margin-left: 0; margin-top: 10px; }

  section { padding: 56px 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-hero { padding: 52px 24px 90px; }
  .stats-inner { gap: 28px; }
}