:root {
  --navy: #0f2942;
  --navy-dark: #0a1c2e;
  --gold: #c9973f;
  --gold-light: #e8c07d;
  --bg: #f7f5f1;
  --text: #1c2a36;
  --text-muted: #5a6b7a;
  --white: #ffffff;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, "PingFang HK", "Microsoft JhengHei", "Noto Sans HK", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.nav-cta {
  color: var(--navy-dark);
  background: var(--gold-light);
  padding: 8px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 96px 24px 88px;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-meta {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, opacity 0.15s;
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }
.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-large { font-size: 1rem; padding: 15px 32px; }

/* Pain */
.pain { padding: 88px 0; }
.pain h2, .offer h2, .about h2, .contact h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 48px;
  color: var(--navy-dark);
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.pain-card {
  background: var(--white);
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid #e8e3da;
}
.pain-card h3 {
  color: var(--navy);
  margin-bottom: 10px;
  font-size: 1.1rem;
}
.pain-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Offer */
.offer { background: var(--white); padding: 88px 0; }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.offer-num {
  color: var(--gold);
  font-weight: 700;
  font-size: 1.4rem;
  display: block;
  margin-bottom: 8px;
}
.offer-item h3 {
  color: var(--navy-dark);
  margin-bottom: 10px;
  font-size: 1.1rem;
}
.offer-item p { color: var(--text-muted); font-size: 0.95rem; }

/* About */
.about { padding: 88px 0; }
.about-inner { max-width: 720px; text-align: center; }
.about p { color: var(--text-muted); font-size: 1.05rem; }

/* Contact */
.contact {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 88px 0;
  text-align: center;
}
.contact h2 { color: var(--white); }
.contact p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
}

/* Footer */
.footer { padding: 40px 0; background: var(--navy-dark); }
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.social-links {
  display: flex;
  gap: 24px;
}
.social-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
}
.social-links a:hover { color: var(--gold-light); }
.footer p {
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .hero { padding: 72px 20px 64px; }
  .pain, .offer, .about, .contact { padding: 64px 0; }
}