/* SABADI — 土豪金主题 · 移动优先 */
:root {
  --gold-light: #f5e6a8;
  --gold: #d4af37;
  --gold-mid: #b8860b;
  --gold-dark: #8b6914;
  --gold-shine: #fcf6ba;
  --bg: #0c0b09;
  --bg-card: #161410;
  --bg-elevated: #1e1a14;
  --border: rgba(212, 175, 55, 0.25);
  --text: #f8f6f0;
  --text-muted: #b8b0a0;
  --whatsapp: #25d366;
  --radius: 12px;
  --header-h: 64px;
  --max-w: 1200px;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(139, 105, 20, 0.08), transparent);
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-light); }

.gold-text {
  background: linear-gradient(135deg, #bf953f 0%, #fcf6ba 35%, #b38728 55%, #fbf5b7 75%, #aa771c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(12, 11, 9, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  color: var(--text);
}
.logo:hover { color: var(--text); }
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(145deg, #bf953f, #fcf6ba, #8b6914);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #1a1408;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.35);
}

.nav-desktop { display: none; }
.nav-desktop ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.nav-desktop a {
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: 6px;
}
.nav-desktop a:hover,
.nav-desktop a.active { color: var(--gold-light); background: rgba(212, 175, 55, 0.1); }

.lang-switch {
  display: flex;
  gap: 0.25rem;
  font-size: 0.75rem;
}
.lang-switch button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: not-allowed;
  opacity: 0.5;
}
.lang-switch button[aria-current="true"] {
  border-color: var(--gold);
  color: var(--gold);
  opacity: 1;
  cursor: default;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(12, 11, 9, 0.98);
  padding: 1.5rem;
  overflow-y: auto;
  z-index: 99;
}
.nav-mobile.is-open { display: block; }
.nav-mobile ul { list-style: none; margin: 0; padding: 0; }
.nav-mobile li { border-bottom: 1px solid var(--border); }
.nav-mobile a {
  display: block;
  padding: 1rem 0;
  font-size: 1.05rem;
  color: var(--text);
}

@media (min-width: 900px) {
  .nav-desktop { display: block; }
  .menu-toggle { display: none; }
  .nav-mobile { display: none !important; }
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 36em;
  margin: 0 auto 2rem;
}
.promo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0 auto 1.75rem;
  max-width: 42em;
}
.promo-tags span {
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold-light);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn-gold {
  background: linear-gradient(135deg, #bf953f, #d4af37, #8b6914);
  color: #1a1408;
  box-shadow: 0 4px 24px rgba(212, 175, 55, 0.35);
}
.btn-gold:hover { box-shadow: 0 6px 32px rgba(212, 175, 55, 0.5); color: #1a1408; }
.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--gold);
}
.btn-outline:hover { background: rgba(212, 175, 55, 0.1); color: var(--gold-light); }
.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}
.btn-whatsapp:hover { color: #fff; filter: brightness(1.08); }

/* Sections */
section { padding: 3rem 0; }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  text-align: center;
  margin: 0 0 0.5rem;
}
.section-desc {
  text-align: center;
  color: var(--text-muted);
  max-width: 32em;
  margin: 0 auto 2.5rem;
}

/* Service cards */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(139, 105, 20, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.service-icon i {
  font-size: 1.35rem;
  color: var(--gold);
  line-height: 1;
}
.fab-whatsapp i {
  font-size: 1.65rem;
  line-height: 1;
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
  color: var(--gold-light);
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 1.25rem;
  flex: 1;
}
.service-card .link-more {
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Features / trust */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 600px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}
.feature-item {
  text-align: center;
  padding: 1.5rem;
}
.feature-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.feature-item span { color: var(--text-muted); font-size: 0.9rem; }

/* Page hero (subpages) */
.page-hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin: 0 0 0.75rem;
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold); }

.content-block {
  max-width: 48em;
  margin: 0 auto;
}
.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--gold-light);
  margin: 2rem 0 1rem;
  padding-top: 0.5rem;
}
.content-block p,
.content-block li { color: var(--text-muted); }
.content-block ul { padding-left: 1.25rem; }
.content-block li { margin-bottom: 0.5rem; }

.highlight-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.highlight-box p { margin: 0; color: var(--text); }

.currency-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}
.currency-tags span {
  padding: 0.4rem 0.85rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--gold-light);
}

/* Contact strip */
.contact-strip {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}
.contact-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 600px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
.contact-item h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin: 0 0 0.5rem;
}
.contact-item p,
.contact-item a { margin: 0; font-size: 1.05rem; }

/* Footer */
.site-footer {
  padding: 2.5rem 0 6rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin-bottom: 1.5rem;
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--gold); }
.site-credit {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.9;
}
.site-credit a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.site-credit a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* Floating WhatsApp */
.fab-whatsapp {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.fab-whatsapp:hover {
  color: #fff;
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}
/* CTA banner */
.cta-banner {
  text-align: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, rgba(191, 149, 63, 0.15), rgba(12, 11, 9, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 2rem 0;
}
.cta-banner h2 {
  font-family: var(--font-serif);
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}