/* ============================================================
   正酱堂官网 · layout.css
   顶部导航 / 页脚 / 页面 Banner / 响应式
   ============================================================ */

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 67, 50, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(197, 165, 90, .25);
}
.nav-bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cream);
}
.brand-logo .logo-seal {
  width: 42px; height: 42px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(197, 165, 90, .35);
  box-shadow: 0 4px 10px rgba(0, 0, 0, .2);
}
.brand-logo .logo-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .2em;
}
.brand-logo .logo-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .28em;
  color: var(--gold-light);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: rgba(245, 242, 235, .85);
  font-size: .95rem;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all .2s;
}
.nav-links a:hover { color: var(--gold-light); }
.nav-links a.active {
  color: var(--gold-light);
  background: rgba(197, 165, 90, .14);
}
.nav-links .nav-cta {
  margin-left: 10px;
  padding: 9px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--green-dark);
  font-weight: 700;
}
.nav-links .nav-cta:hover { color: var(--green-dark); filter: brightness(1.08); }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px; height: 42px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--cream);
  transition: all .25s;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 66px; left: 0; right: 0;
    background: var(--green-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 4px;
    display: none;
    border-bottom: 1px solid rgba(197, 165, 90, .3);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-links .nav-cta { margin: 10px 0 0; text-align: center; }
}

/* ---------- 页面内页 Banner ---------- */
.page-banner {
  background:
    radial-gradient(ellipse at 80% 10%, rgba(197, 165, 90, .22), transparent 55%),
    linear-gradient(160deg, var(--green-dark), var(--green) 65%, var(--green-soft));
  color: var(--cream);
  padding: 84px 0 64px;
  text-align: center;
}
.page-banner h1 { color: var(--cream); margin-bottom: 12px; }
.page-banner p { color: rgba(245, 242, 235, .82); max-width: 640px; margin: 0 auto; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--green-dark);
  color: rgba(245, 242, 235, .78);
  padding: 56px 0 0;
  font-size: .92rem;
}
.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
}
.footer-grid h4 {
  color: var(--gold-light);
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: .1em;
}
.footer-grid li { margin-bottom: 9px; }
.footer-grid a:hover { color: var(--gold-light); }
.footer-brand .logo-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--cream);
  letter-spacing: .2em;
}
.footer-brand p { margin-top: 10px; line-height: 1.8; }

.footer-qr {
  width: 108px; height: 108px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(197, 165, 90, .35);
  margin-top: 6px;
}

.footer-notice {
  margin-top: 44px;
  border-top: 1px solid rgba(197, 165, 90, .22);
  padding: 18px 20px;
  text-align: center;
  font-size: .8rem;
  color: rgba(245, 242, 235, .5);
  line-height: 2;
}
.footer-notice .warn {
  color: var(--gold-light);
  letter-spacing: .12em;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 合规角标 ---------- */
.age-badge {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 90;
  background: var(--green-dark);
  color: var(--gold-light);
  border: 1px solid var(--gold-deep);
  border-radius: 8px;
  font-size: .72rem;
  padding: 6px 10px;
  letter-spacing: .08em;
  opacity: .92;
  pointer-events: none;
}