/* ============================================================
   东营德扑网 / HHpoker — 金色尊贵奢华风
   Type 5 Landing Page Stylesheet
   ============================================================ */

/* --- Font Awesome Icons --- */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Playfair+Display:wght@400;600;700;900&family=Inter:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --gold: #f59e0b;
  --gold-light: #fbbf24;
  --gold-dark: #d97706;
  --gold-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 30%, #fbbf24 60%, #f59e0b 100%);
  --gold-gradient-v: linear-gradient(180deg, #d97706 0%, #f59e0b 40%, #fbbf24 70%, #f59e0b 100%);
  --gold-gradient-btn: linear-gradient(135deg, #b45309 0%, #d97706 30%, #f59e0b 60%, #fbbf24 100%);
  --bg-deep: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-gold: rgba(245, 158, 11, 0.4);
  --border-gold-light: rgba(245, 158, 11, 0.25);
  --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.15);
  --shadow-gold-lg: 0 8px 48px rgba(245, 158, 11, 0.2);
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle diagonal stripe background texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.025;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 2px,
      rgba(245, 158, 11, 0.35) 2px,
      rgba(245, 158, 11, 0.35) 3px
    );
  pointer-events: none;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; }
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid var(--border-gold-light);
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-title .gold { color: var(--gold); }
.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
}

/* Golden decorative line */
.gold-line {
  width: 80px;
  height: 3px;
  background: var(--gold-gradient);
  border-radius: 4px;
  margin: 0 auto 32px;
}
.gold-line.left { margin-left: 0; }

/* --- Header / Navbar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-gold-light);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}
.logo i {
  font-size: 1.6rem;
  color: var(--gold);
}
.logo .gold { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--gold-light); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-gradient-btn);
  color: #1a0a00 !important;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
  transition: var(--transition);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5);
  color: #1a0a00 !important;
}
.nav-cta::after { display: none !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.08) 0%, transparent 60%),
              linear-gradient(180deg, #1a1a2e 0%, #0f172a 50%, #0f172a 100%);
  overflow: hidden;
}

/* Floating crown / diamond decorations */
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(245,158,11,0.06);
  border-radius: 50%;
  top: -200px;
  left: -200px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(245,158,11,0.05);
  border-radius: 50%;
  bottom: -100px;
  right: -100px;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  background: rgba(245,158,11,0.08);
  border: 1px solid var(--border-gold-light);
  padding: 8px 22px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 0.9rem; }

.hero h1 {
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #fff 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold-gradient-btn);
  color: #1a0a00;
  box-shadow: 0 4px 24px rgba(245,158,11,0.35);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(245,158,11,0.55);
}
.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--border-gold);
}
.btn-outline-gold:hover {
  background: rgba(245,158,11,0.08);
  border-color: var(--gold-light);
  transform: translateY(-3px);
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* Floating icons */
.hero-floating {
  position: absolute;
  pointer-events: none;
  opacity: 0.06;
  font-size: 3rem;
  color: var(--gold);
  animation: float 6s ease-in-out infinite;
}
.hero-floating:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; font-size: 2.5rem; }
.hero-floating:nth-child(2) { top: 20%; right: 10%; animation-delay: -2s; font-size: 3.5rem; }
.hero-floating:nth-child(3) { bottom: 25%; left: 12%; animation-delay: -4s; font-size: 2rem; }
.hero-floating:nth-child(4) { bottom: 20%; right: 8%; animation-delay: -1s; font-size: 3rem; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border-gold-light);
  border-bottom: 1px solid var(--border-gold-light);
  padding: 32px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 12px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--border-gold-light);
}
.stat-icon { font-size: 1.3rem; color: var(--gold); margin-bottom: 8px; }
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Section Spacing --- */
.section {
  padding: 90px 0;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

/* --- Features Section --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 14px;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Why Choose Us --- */
.why-section { background: rgba(30, 41, 59, 0.4); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.why-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-gold-light);
  box-shadow: var(--shadow-gold-lg);
  background: linear-gradient(135deg, #1e293b, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}
.why-image-icon {
  font-size: 6rem;
  color: var(--gold);
  opacity: 0.5;
}
.why-list { display: flex; flex-direction: column; gap: 20px; }
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-gold-light);
  transition: var(--transition);
}
.why-item:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.why-item-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 12px;
}
.why-item h4 { font-size: 1rem; margin-bottom: 4px; }
.why-item p { font-size: 0.88rem; color: var(--text-muted); }

/* --- CTA Banner --- */
.cta-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #0f172a 100%);
  border-top: 1px solid var(--border-gold-light);
  border-bottom: 1px solid var(--border-gold-light);
}
.cta-card {
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(245,158,11,0.02));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-gold-lg);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.12), transparent 70%);
  pointer-events: none;
}
.cta-card h2 {
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}
.cta-card p { color: var(--text-secondary); margin-bottom: 28px; font-size: 1.05rem; }

/* --- Page Hero (inner pages) --- */
.page-hero {
  position: relative;
  padding: 140px 24px 80px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.06) 0%, transparent 60%),
              linear-gradient(180deg, #1a1a2e 0%, #0f172a 100%);
}
.page-hero h1 {
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--gold);
  margin-bottom: 12px;
}
.page-hero .subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--gold); transition: var(--transition); }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb span { color: var(--text-secondary); }

/* --- Download Cards --- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.download-card.featured {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: scale(1.03);
}
.download-card.featured .popular-badge {
  position: absolute;
  top: 16px;
  right: -36px;
  background: var(--gold-gradient);
  color: #1a0a00;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 48px;
  transform: rotate(45deg);
}
.download-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}
.download-card.featured:hover { transform: scale(1.03) translateY(-4px); }

.dl-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
}
.download-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.download-card .version {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.download-card .dl-features {
  text-align: left;
  margin-bottom: 24px;
}
.download-card .dl-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.download-card .dl-features li i { color: var(--gold); font-size: 0.8rem; }

/* --- Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.step-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 900;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 50%;
  margin: 0 auto 16px;
}
.step-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
.step-card p { font-size: 0.88rem; color: var(--text-muted); }

/* --- Club Cards --- */
.club-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.club-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.club-card.premium {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.club-card.premium .crown-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold-gradient);
  color: #1a0a00;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 28px;
  border-radius: 0 0 12px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.club-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}
.club-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
}
.club-card.premium .club-icon { margin-top: 12px; }
.club-card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.club-card .club-id {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold);
  background: rgba(245,158,11,0.08);
  border: 1px solid var(--border-gold-light);
  padding: 4px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.club-features {
  text-align: left;
  margin-bottom: 20px;
}
.club-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.club-features li i { color: var(--gold); font-size: 0.7rem; }

/* --- FAQ --- */
.faq-section { background: rgba(30, 41, 59, 0.3); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.faq-item h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-item h4 i { color: var(--gold); font-size: 0.8rem; }
.faq-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* --- Testimonials --- */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.testi-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.testi-stars { color: var(--gold); margin-bottom: 12px; font-size: 0.9rem; }
.testi-text { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.7; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a0a00;
  font-weight: 700;
  font-size: 0.85rem;
}
.testi-name { font-size: 0.9rem; font-weight: 600; }
.testi-role { font-size: 0.78rem; color: var(--text-muted); }

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold-light);
  border-radius: var(--radius);
  transition: var(--transition);
}
.contact-item:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.contact-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #1a0a00;
  background: var(--gold-gradient);
  border-radius: 12px;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-item span { font-size: 0.88rem; color: var(--text-muted); }

/* --- Footer --- */
.site-footer {
  background: #0a0f1a;
  border-top: 2px solid var(--border-gold);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-about .logo { margin-bottom: 16px; }
.footer-about p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 {
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 2px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--gold-light); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(245,158,11,0.12);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-gradient);
  color: #1a0a00;
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
  transition: var(--transition);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  font-size: 1.1rem;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(245,158,11,0.55); }

/* --- Customer Service Widget --- */
.cs-widget {
  position: fixed;
  bottom: 90px;
  right: 30px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cs-toggle {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-gradient);
  color: #1a0a00;
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
  font-size: 1.3rem;
  transition: var(--transition);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(245,158,11,0.4); }
  50% { box-shadow: 0 4px 36px rgba(245,158,11,0.7); }
}
.cs-toggle:hover { transform: scale(1.08); }
.cs-panel {
  display: none;
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-gold-lg);
  overflow: hidden;
}
.cs-panel.show { display: block; }
.cs-panel-header {
  background: var(--gold-gradient);
  color: #1a0a00;
  padding: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cs-panel-body { padding: 16px; }
.cs-panel-body p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; }
.cs-panel-body .cs-phone {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
}
.cs-panel-body .cs-wechat {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 16px;
  background: rgba(245,158,11,0.1);
  border: 1px solid var(--border-gold-light);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--gold-light);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid var(--border-gold-light);
    padding: 24px;
    gap: 20px;
    backdrop-filter: blur(20px);
  }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:not(:last-child)::after { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card.featured { transform: none; }
  .download-card.featured:hover { transform: translateY(-4px); }
  .club-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}