/* roulang page: index */
:root {
  --primary: #1B1B1B;
  --accent: #B98A56;
  --accent-hover: #A8782A;
  --bg: #F5F3EF;
  --bg-alt: #ECEAE5;
  --dark: #141414;
  --text: #1B1B1B;
  --text-secondary: #5A5A56;
  --text-muted: #8C8A84;
  --border: #E8E6E1;
  --border-dark: rgba(255,255,255,0.1);
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --space: 8px;
  --duration: 0.2s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration:none; color:inherit; transition: color var(--duration); }
img { max-width:100%; display:block; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input, textarea { font-family:inherit; }

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

/* Header */
.site-header {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  background:rgba(245,243,239,0.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  height:64px;
  transition: box-shadow var(--duration);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:64px; position:relative; }
.logo { font-size:20px; font-weight:700; color:var(--primary); letter-spacing:-0.5px; display:flex; align-items:center; gap:2px; }
.logo .logo-accent { color:var(--accent); }
.logo-dot { width:6px; height:6px; border-radius:50%; background:var(--accent); display:inline-block; margin-left:4px; }
.nav-links { display:flex; gap:32px; align-items:center; }
.nav-links a {
  font-size:14px; font-weight:500; color:var(--text-secondary);
  position:relative; padding:8px 0;
  border-bottom:2px solid transparent;
  transition: color var(--duration), border-color var(--duration);
}
.nav-links a:hover { color:var(--accent); border-bottom-color:var(--accent); }
.nav-links a.active { color:var(--text); border-bottom-color:var(--accent); }
.nav-right { display:flex; align-items:center; gap:16px; }

/* Mega */
.mega-wrap { position:relative; }
.mega-trigger {
  display:flex; align-items:center; gap:6px;
  font-size:14px; font-weight:500; color:var(--text-secondary);
  padding:8px 12px; border-radius:6px; transition: color var(--duration);
}
.mega-trigger:hover { color:var(--accent); }
.mega-trigger svg { transition: transform var(--duration); }
.mega-wrap:hover .mega-trigger svg { transform: rotate(180deg); }
.mega-panel {
  position:absolute; top:calc(100% + 12px); right:0;
  width:620px; background:var(--dark); color:#B0AFA9;
  border-radius:12px; padding:28px;
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition: opacity var(--duration), transform var(--duration), visibility var(--duration);
  z-index:100;
  box-shadow:0 24px 60px rgba(0,0,0,0.3);
}
.mega-wrap:hover .mega-panel, .mega-wrap:focus-within .mega-panel {
  opacity:1; visibility:visible; transform:translateY(0);
}
.mega-inner { display:grid; grid-template-columns:1fr 1fr 1fr; gap:28px; }
.mega-label { font-size:12px; text-transform:uppercase; color:var(--accent); letter-spacing:0.08em; margin-bottom:14px; display:block; }
.mega-col a { display:block; padding:6px 0; font-size:14px; color:#C8C6C0; transition:color var(--duration); }
.mega-col a:hover { color:var(--accent); }
.mega-card {
  border:1px solid rgba(185,138,86,0.5); border-radius:12px;
  padding:20px; background:rgba(185,138,86,0.08);
  display:flex; flex-direction:column; gap:6px;
}
.mega-card strong { color:#fff; font-size:16px; }
.mega-card span { font-size:13px; color:#9A9892; }
.btn-gold-inner {
  display:inline-block; margin-top:10px; background:var(--accent); color:#fff;
  padding:8px 16px; border-radius:6px; font-size:13px; font-weight:600;
  transition: background var(--duration), transform var(--duration);
  text-align:center;
}
.btn-gold-inner:hover { background:var(--accent-hover); transform:translateY(-2px); }

.nav-cta {
  background:var(--primary); color:#fff;
  padding:8px 20px; border-radius:6px;
  font-size:14px; font-weight:600;
  transition: background var(--duration), box-shadow var(--duration);
}
.nav-cta:hover { background:#2a2a2a; box-shadow:0 4px 16px rgba(0,0,0,0.15); }

/* Mobile toggle */
.mobile-toggle { display:none; flex-direction:column; gap:5px; padding:6px; }
.mobile-toggle span { width:22px; height:2px; background:var(--primary); border-radius:2px; transition: transform var(--duration); }
.mobile-menu {
  display:none; position:fixed; top:64px; left:0; right:0;
  background:var(--bg); border-bottom:1px solid var(--border);
  padding:16px 24px 28px; z-index:999;
  flex-direction:column; gap:4px;
  box-shadow:0 16px 40px rgba(0,0,0,0.08);
}
.mobile-menu.open { display:flex; }
.mobile-menu a { padding:12px 0; font-size:16px; font-weight:500; color:var(--text-secondary); border-bottom:1px solid var(--border); }
.mobile-menu a.active { color:var(--accent); }
.mobile-menu a.mobile-cta { color:#fff; background:var(--primary); text-align:center; border-radius:8px; margin-top:16px; border:none; padding:14px; }

/* Hero */
.hero { padding:160px 0 80px; background: var(--bg); position:relative; overflow:hidden; }
.hero::before {
  content:''; position:absolute; inset:0;
  background-image:linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
}
.hero-grid { display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px; align-items:center; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(185,138,86,0.4); background:rgba(185,138,86,0.08);
  color:var(--accent); font-size:13px; font-weight:600;
  padding:6px 16px; border-radius:999px; margin-bottom:24px;
}
.hero h1 {
  font-size:46px; line-height:1.2; font-weight:700; color:var(--primary);
  letter-spacing:-0.02em; margin-bottom:20px;
  animation:fadeUp 0.6s ease 0.1s both;
}
.hero h1 .highlight { color:var(--accent); position:relative; }
.hero h1 .highlight::after {
  content:''; position:absolute; left:0; bottom:2px; width:100%; height:8px;
  background:rgba(185,138,86,0.18); z-index:-1; border-radius:2px;
}
.hero-sub {
  font-size:18px; color:var(--text-secondary); max-width:560px; margin-bottom:36px;
  line-height:1.7; animation:fadeUp 0.6s ease 0.2s both;
}
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; animation:fadeUp 0.6s ease 0.3s both; }
.btn-primary {
  background:var(--accent); color:#fff; padding:14px 32px;
  border-radius:8px; font-size:15px; font-weight:600;
  display:inline-flex; align-items:center; gap:8px;
  transition: background var(--duration), transform var(--duration), box-shadow var(--duration);
  box-shadow:0 2px 12px rgba(185,138,86,0.25);
}
.btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 8px 24px rgba(185,138,86,0.35); }
.btn-secondary {
  border:1px solid #D8D6D1; background:transparent; color:var(--text);
  padding:14px 32px; border-radius:8px; font-size:15px; font-weight:600;
  display:inline-flex; align-items:center; gap:8px;
  transition: border-color var(--duration), background var(--duration), transform var(--duration);
}
.btn-secondary:hover { border-color:var(--accent); background:rgba(185,138,86,0.05); transform:translateY(-2px); }
.hero-image { position:relative; animation:fadeUp 0.6s ease 0.25s both; }
.hero-image img { width:100%; border-radius:12px; border:1px solid var(--border); box-shadow:0 24px 60px rgba(0,0,0,0.08); }
.hero-image::after {
  content:''; position:absolute; inset:20px -20px -20px 20px;
  border:1px solid rgba(185,138,86,0.2); border-radius:12px; z-index:-1;
}
.hero-float-card {
  position:absolute; bottom:-24px; left:-20px;
  background:#fff; border-radius:12px; padding:14px 20px;
  box-shadow:var(--shadow-lg); display:flex; align-items:center; gap:12px;
}
.hero-float-card .dot { width:10px; height:10px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px rgba(185,138,86,0.2); }
.hero-float-card span { font-size:13px; color:var(--text-secondary); }

@keyframes fadeUp {
  from { opacity:0; transform:translateY(12px); }
  to { opacity:1; transform:translateY(0); }
}

/* Trust bar */
.trust-bar { background:var(--dark); padding:48px 0; }
.trust-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:32px; text-align:center; }
.trust-item .num { font-size:36px; font-weight:700; color:var(--accent); font-family:inherit; line-height:1.2; }
.trust-item .label { font-size:13px; color:#9A9892; margin-top:6px; display:block; }

/* Section base */
.section { padding:80px 0; }
.section-alt { background:var(--bg-alt); }
.section-header { text-align:center; margin-bottom:48px; }
.section-header h2 { font-size:30px; font-weight:700; color:var(--primary); line-height:1.3; letter-spacing:-0.01em; }
.section-header p { font-size:16px; color:var(--text-secondary); max-width:640px; margin:12px auto 0; }
.section-kicker { font-size:13px; color:var(--accent); text-transform:uppercase; letter-spacing:0.08em; font-weight:600; display:block; margin-bottom:8px; }

/* Features */
.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.feature-card {
  background:#fff; border:1px solid var(--border); border-radius:12px;
  padding:32px 28px; transition: transform var(--duration), box-shadow var(--duration), border-color var(--duration);
}
.feature-card:hover { transform:translateY(-4px); border-color:var(--accent); box-shadow:var(--shadow-lg); }
.feature-icon {
  width:52px; height:52px; border-radius:12px; background:rgba(185,138,86,0.12);
  display:flex; align-items:center; justify-content:center; font-size:20px; color:var(--accent);
  margin-bottom:20px;
}
.feature-card h3 { font-size:18px; font-weight:700; margin-bottom:10px; color:var(--text); }
.feature-card p { font-size:14px; color:var(--text-secondary); line-height:1.7; margin-bottom:16px; }
.feature-link {
  font-size:14px; font-weight:600; color:var(--accent);
  display:inline-flex; align-items:center; gap:6px;
  transition: gap var(--duration);
}
.feature-link:hover { gap:10px; }

/* Scenarios */
.scenario-grid { display:flex; flex-direction:column; gap:64px; }
.scenario-row { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.scenario-row.reverse .scenario-text { order:2; }
.scenario-row.reverse .scenario-img { order:1; }
.scenario-img img { width:100%; border-radius:12px; border:1px solid var(--border); box-shadow:var(--shadow-sm); }
.scenario-text h2 { font-size:27px; font-weight:700; color:var(--primary); margin-bottom:14px; }
.scenario-text p { font-size:15px; color:var(--text-secondary); margin-bottom:20px; line-height:1.75; }
.scenario-list { list-style:none; display:flex; flex-direction:column; gap:10px; }
.scenario-list li {
  display:flex; align-items:center; gap:10px; font-size:14px; color:var(--text);
}
.scenario-list li i { color:var(--accent); font-size:14px; }

/* Cases */
.cases-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.case-card {
  background:#fff; border:1px solid var(--border); border-radius:12px; overflow:hidden;
  transition: transform var(--duration), box-shadow var(--duration), border-color var(--duration);
}
.case-card:hover { transform:translateY(-4px); border-color:var(--accent); box-shadow:var(--shadow-lg); }
.case-logo { height:80px; display:flex; align-items:center; justify-content:center; background:var(--bg-alt); font-weight:700; color:var(--text-muted); font-size:14px; }
.case-body { padding:24px; }
.case-body h3 { font-size:17px; font-weight:700; color:var(--text); margin-bottom:8px; }
.case-body p { font-size:13px; color:var(--text-secondary); line-height:1.6; margin-bottom:16px; }
.case-result { display:flex; align-items:baseline; gap:8px; }
.case-result .big { font-size:26px; font-weight:700; color:var(--accent); }
.case-result .small { font-size:12px; color:var(--text-muted); }

/* Pricing */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; align-items:stretch; }
.pricing-card {
  background:#fff; border:1px solid var(--border); border-radius:12px;
  padding:32px 28px; position:relative;
  display:flex; flex-direction:column;
  transition: transform var(--duration), box-shadow var(--duration), border-color var(--duration);
}
.pricing-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--border); }
.pricing-card.popular {
  border-color:var(--accent); transform:scale(1.03);
  box-shadow:0 12px 40px rgba(0,0,0,0.1);
}
.pricing-card.popular:hover { transform:scale(1.03) translateY(-4px); }
.pricing-card.popular::before {
  content:''; position:absolute; top:0; left:0; right:0; height:4px;
  background:var(--accent); border-radius:12px 12px 0 0;
}
.pricing-label { font-size:12px; color:var(--text-muted); font-weight:600; letter-spacing:0.08em; text-transform:uppercase; }
.pricing-card.popular .pricing-label { color:var(--accent); }
.pricing-price { font-size:42px; font-weight:700; color:var(--primary); margin:12px 0 4px; }
.pricing-price span { font-size:16px; font-weight:400; color:var(--text-muted); }
.pricing-desc { font-size:14px; color:var(--text-secondary); margin-bottom:24px; }
.pricing-features { list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:28px; flex-grow:1; }
.pricing-features li { display:flex; align-items:center; gap:10px; font-size:14px; color:var(--text); }
.pricing-features li i { color:var(--accent); font-size:12px; }
.btn-block {
  display:block; width:100%; text-align:center;
  background:var(--primary); color:#fff;
  padding:14px 0; border-radius:8px; font-size:15px; font-weight:600;
  transition: background var(--duration), transform var(--duration), box-shadow var(--duration);
}
.btn-block:hover { background:#2a2a2a; transform:translateY(-2px); box-shadow:0 8px 20px rgba(0,0,0,0.1); }
.pricing-card.popular .btn-block { background:var(--accent); }
.pricing-card.popular .btn-block:hover { background:var(--accent-hover); }

/* News */
.news-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.news-card {
  background:#fff; border:1px solid var(--border); border-radius:12px;
  padding:28px; display:block;
  transition: transform var(--duration), box-shadow var(--duration), border-color var(--duration);
}
.news-card:hover { transform:translateY(-4px); border-color:var(--accent); box-shadow:var(--shadow-lg); }
.news-card-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; }
.news-cat {
  font-size:12px; color:var(--accent); border:1px solid rgba(185,138,86,0.4);
  padding:3px 12px; border-radius:999px; font-weight:600;
}
.news-time { font-size:12px; color:var(--text-muted); }
.news-title { font-size:18px; font-weight:700; color:var(--text); margin-bottom:8px; line-height:1.4; }
.news-card:hover .news-title { color:var(--accent); }
.news-excerpt {
  font-size:14px; color:var(--text-secondary); line-height:1.6;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:14px;
}
.news-more { font-size:13px; font-weight:600; color:var(--accent); display:inline-flex; align-items:center; gap:6px; }
.news-card:hover .news-more { gap:10px; }
.empty-state { grid-column:1/-1; }
.empty-box {
  border:2px dashed var(--border); border-radius:12px; padding:60px 40px;
  text-align:center; color:var(--text-muted); font-size:15px;
  background:rgba(255,255,255,0.5);
}

/* FAQ */
.faq-list { max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:8px; }
.faq-item {
  background:#fff; border:1px solid var(--border); border-radius:12px;
  transition: border-color var(--duration), box-shadow var(--duration);
  overflow:hidden;
}
.faq-item:hover { border-color:var(--accent); }
.faq-item.open { border-color:var(--accent); box-shadow:var(--shadow-sm); }
.faq-question {
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 24px; cursor:pointer; font-size:16px; font-weight:600; color:var(--text);
  user-select:none;
}
.faq-icon { position:relative; width:20px; height:20px; flex-shrink:0; }
.faq-icon::before, .faq-icon::after {
  content:''; position:absolute; background:var(--accent); border-radius:2px;
  transition: transform var(--duration);
}
.faq-icon::before { width:14px; height:2px; top:9px; left:3px; }
.faq-icon::after { width:2px; height:14px; left:9px; top:3px; }
.faq-item.open .faq-icon::after { transform:rotate(90deg); }
.faq-answer {
  max-height:0; overflow:hidden; transition:max-height var(--duration);
  padding:0 24px;
}
.faq-item.open .faq-answer { max-height:300px; padding-bottom:22px; }
.faq-answer p { font-size:14px; color:var(--text-secondary); line-height:1.7; }

/* CTA */
.cta-section { background:var(--dark); padding:100px 0; position:relative; overflow:hidden; }
.cta-section::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(circle at 80% 50%, rgba(185,138,86,0.12) 0%, transparent 60%);
  pointer-events:none;
}
.cta-inner { text-align:center; position:relative; z-index:1; }
.cta-inner h2 { font-size:36px; font-weight:700; color:#fff; margin-bottom:16px; line-height:1.3; }
.cta-inner p { font-size:17px; color:#9A9892; max-width:520px; margin:0 auto 36px; }
.cta-inner .btn-primary { font-size:16px; padding:16px 44px; }

/* Footer */
.site-footer { background:var(--dark); color:#B0AFA9; padding:64px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:48px; padding-bottom:48px; }
.footer-brand .logo { color:#fff; margin-bottom:12px; }
.footer-brand p { font-size:14px; color:#9A9892; line-height:1.7; max-width:260px; }
.footer-col h4 { font-size:15px; font-weight:700; color:#fff; margin-bottom:16px; }
.footer-col a {
  display:block; font-size:14px; color:#B0AFA9; padding:5px 0;
  border-bottom:2px solid transparent;
  transition: color var(--duration), border-color var(--duration);
}
.footer-col a:hover { color:var(--accent); border-bottom-color:var(--accent); }
.footer-col .contact-item { display:flex; align-items:center; gap:8px; font-size:14px; color:#9A9892; margin-bottom:8px; }
.footer-col .contact-item i { color:var(--accent); width:16px; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.08);
  padding:24px 0; text-align:center; font-size:13px; color:#8C8A84;
}

/* Responsive */
@media (max-width:1023px) {
  .hero-grid { grid-template-columns:1fr; gap:48px; }
  .hero { padding:130px 0 60px; }
  .hero-image { order:2; }
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .cases-grid { grid-template-columns:repeat(2,1fr); }
  .pricing-grid { grid-template-columns:1fr; max-width:480px; margin:0 auto; }
  .pricing-card.popular { transform:none; order:-1; }
  .pricing-card.popular:hover { transform:translateY(-4px); }
  .trust-grid { grid-template-columns:repeat(2,1fr); gap:24px; }
  .scenario-row { grid-template-columns:1fr; gap:24px; }
  .scenario-row.reverse .scenario-text { order:1; }
  .scenario-row.reverse .scenario-img { order:2; }
  .news-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .mega-panel { right:-80px; }
}
@media (max-width:767px) {
  .container { padding:0 20px; }
  .nav-links, .nav-right { display:none; }
  .mobile-toggle { display:flex; }
  .hero { padding:120px 0 48px; }
  .hero h1 { font-size:32px; }
  .hero-sub { font-size:16px; }
  .hero-actions { flex-direction:column; gap:12px; }
  .btn-primary, .btn-secondary { width:100%; justify-content:center; }
  .section { padding:56px 0; }
  .section-header h2 { font-size:26px; }
  .features-grid { grid-template-columns:1fr; }
  .cases-grid { grid-template-columns:1fr; }
  .trust-grid { grid-template-columns:repeat(2,1fr); }
  .trust-item .num { font-size:30px; }
  .scenario-row { gap:32px; }
  .scenario-text h2 { font-size:24px; }
  .news-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .cta-inner h2 { font-size:28px; }
  .faq-question { font-size:15px; }
  .mega-panel { display:none; }
  .hero-float-card { display:none; }
}

/* roulang page: category1 */
:root {
            --ink: #1B1B1B;
            --gold: #B98A56;
            --gold-dark: #A8782A;
            --cream: #F5F3EF;
            --cream-2: #ECEAE5;
            --dark: #141414;
            --body: #1B1B1B;
            --muted: #5A5A56;
            --faint: #8C8A84;
            --line: #E8E6E1;
            --line-dark: rgba(255, 255, 255, 0.1);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --tr: 0.2s ease;
            --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 15px;
            line-height: 1.75;
            color: var(--body);
            background: var(--cream);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--tr);
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: 64px;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow var(--tr);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .nav-wrap {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .logo .logo-accent {
            color: var(--gold);
        }
        .logo .logo-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            margin-left: 4px;
            vertical-align: middle;
        }
        .nav-toggle-input {
            display: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: transform var(--tr), opacity var(--tr);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 14px;
            border-radius: 6px;
            transition: color var(--tr);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--tr);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }
        .nav-links a:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gold);
            color: #fff !important;
            font-weight: 600;
            padding: 8px 20px !important;
            border-radius: var(--radius-md);
            transition: background var(--tr), transform var(--tr), box-shadow var(--tr) !important;
        }
        .nav-cta::after {
            display: none !important;
        }
        .nav-cta:hover {
            background: var(--gold-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(185, 138, 86, 0.3);
        }
        .hero {
            padding: 140px 0 72px;
            background: var(--cream);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(27, 27, 27, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }
        .hero-copy {
            animation: fadeUp 0.6s ease both;
        }
        .hero-copy .hero-sub {
            animation: fadeUp 0.6s ease 0.15s both;
        }
        .hero-copy .hero-actions {
            animation: fadeUp 0.6s ease 0.3s both;
        }
        @keyframes fadeUp {
            from {
                transform: translateY(8px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 500;
            color: var(--gold-dark);
            background: rgba(185, 138, 86, 0.1);
            border: 1px solid rgba(185, 138, 86, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 11px;
        }
        .hero h1 {
            font-size: 46px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.5px;
        }
        .hero h1 .gold {
            color: var(--gold);
            position: relative;
        }
        .hero h1 .gold::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 6px;
            height: 8px;
            background: rgba(185, 138, 86, 0.18);
            z-index: -1;
            border-radius: 4px;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--muted);
            max-width: 520px;
            margin-top: 18px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: background var(--tr), transform var(--tr), box-shadow var(--tr);
        }
        .btn-primary:hover {
            background: var(--gold-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(185, 138, 86, 0.25);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(185, 138, 86, 0.4);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--ink);
            font-size: 15px;
            font-weight: 500;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            border: 1px solid #D8D6D1;
            cursor: pointer;
            transition: border-color var(--tr), background var(--tr), transform var(--tr);
        }
        .btn-secondary:hover {
            border-color: var(--gold);
            background: rgba(185, 138, 86, 0.05);
            transform: translateY(-2px);
        }
        .hero-visual {
            animation: fadeUp 0.6s ease 0.2s both;
        }
        .hero-visual .image-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-lg);
            background: var(--cream-2);
            aspect-ratio: 4/3;
            position: relative;
        }
        .hero-visual .image-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .trust-bar {
            padding: 40px 0;
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .trust-item {
            text-align: center;
            padding: 8px 0;
        }
        .trust-num {
            font-size: 34px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .trust-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
        }
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--cream-2);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--gold-dark);
            background: rgba(185, 138, 86, 0.1);
            border: 1px solid rgba(185, 138, 86, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
        }
        .section-head p {
            font-size: 15px;
            color: var(--muted);
            margin-top: 12px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: transform var(--tr), border-color var(--tr), box-shadow var(--tr);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-lg);
            background: rgba(185, 138, 86, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-dark);
            font-size: 19px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--gold-dark);
        }
        .feature-link i {
            transition: transform var(--tr);
        }
        .feature-link:hover i {
            transform: translateX(4px);
        }
        .steps-section {
            padding: 80px 0;
            background: #fff;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 28px 22px 22px;
            background: var(--cream);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            transition: border-color var(--tr), transform var(--tr), box-shadow var(--tr);
        }
        .step-item:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .step-item::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 20px;
            font-weight: 700;
            color: rgba(185, 138, 86, 0.35);
        }
        .step-item .step-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gold);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            margin-bottom: 14px;
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        .trouble-section {
            padding: 80px 0;
            background: var(--cream);
        }
        .trouble-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .trouble-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-lg);
            aspect-ratio: 1/1;
        }
        .trouble-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .trouble-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trouble-item {
            display: flex;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            transition: border-color var(--tr), box-shadow var(--tr);
        }
        .trouble-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-sm);
        }
        .trouble-item i {
            color: var(--gold);
            font-size: 17px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .trouble-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
        }
        .trouble-item p {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: transform var(--tr), border-color var(--tr), box-shadow var(--tr);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold);
            box-shadow: var(--shadow-lg);
        }
        .guide-card .card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .guide-card .card-top i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(185, 138, 86, 0.1);
            color: var(--gold-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .guide-card .card-top .badge {
            font-size: 12px;
            font-weight: 500;
            color: var(--gold-dark);
            border: 1px solid rgba(185, 138, 86, 0.35);
            padding: 2px 10px;
            border-radius: 999px;
            background: rgba(185, 138, 86, 0.06);
        }
        .guide-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .guide-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--line);
            font-size: 12px;
            color: var(--faint);
        }
        .guide-card .card-meta a {
            color: var(--gold-dark);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card .card-meta a i {
            transition: transform var(--tr);
        }
        .guide-card .card-meta a:hover i {
            transform: translateX(3px);
        }
        .faq-section {
            padding: 80px 0;
            background: var(--cream-2);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--tr), box-shadow var(--tr);
        }
        .faq-item:hover {
            border-color: var(--gold);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            transition: color var(--tr);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform var(--tr), background var(--tr), color var(--tr);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            border-top: 1px solid var(--line);
            margin: 0 24px;
            padding: 14px 0 18px;
        }
        .cta-section {
            background: var(--dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(185, 138, 86, 0.08);
        }
        .cta-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            position: relative;
        }
        .cta-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }
        .cta-wrap p {
            font-size: 15px;
            color: #B0AFA9;
            margin-top: 14px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary {
            background: var(--gold);
        }
        .cta-buttons .btn-secondary {
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .cta-buttons .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(185, 138, 86, 0.08);
        }
        .site-footer {
            background: var(--dark);
            padding: 64px 0 0;
            color: #B0AFA9;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.9fr 0.9fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 20px;
            display: inline-flex;
            align-items: center;
        }
        .footer-brand .logo .logo-accent {
            color: var(--gold);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #8C8A84;
            margin-top: 14px;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: #B0AFA9;
            padding: 5px 0;
            position: relative;
            transition: color var(--tr);
        }
        .footer-col a::before {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width var(--tr);
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .footer-col a:hover::before {
            width: 100%;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            padding: 5px 0;
            color: #B0AFA9;
        }
        .contact-item i {
            color: var(--gold);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid var(--line-dark);
            padding: 22px 0;
            text-align: center;
            font-size: 12px;
            color: #8C8A84;
        }
        @media (max-width: 1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual .image-frame {
                aspect-ratio: 16/10;
            }
            .feature-grid,
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .trouble-wrap {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .hero {
                padding: 112px 0 48px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow-lg);
                display: none;
            }
            .nav-toggle-input:checked~.nav-links {
                display: flex;
            }
            .nav-toggle-input:checked~.nav-toggle span:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            .nav-toggle-input:checked~.nav-toggle span:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle-input:checked~.nav-toggle span:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            .feature-grid,
            .card-grid,
            .steps-grid,
            .trust-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-wrap h2 {
                font-size: 24px;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-item .faq-answer {
                font-size: 13px;
            }
            .trust-num {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .logo {
                font-size: 17px;
            }
            .nav-cta {
                padding: 8px 14px !important;
                font-size: 13px;
            }
            .feature-card,
            .guide-card {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
  --primary: #1B1B1B;
  --accent: #B98A56;
  --accent-dark: #A8782A;
  --bg: #F5F3EF;
  --bg-secondary: #ECEAE5;
  --dark: #141414;
  --text: #1B1B1B;
  --text-secondary: #5A5A56;
  --text-muted: #8C8A84;
  --border: #E8E6E1;
  --error: #C0392B;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-input: 6px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  transition: box-shadow 0.2s ease;
  border-bottom: 1px solid rgba(232,230,225,0.5);
}
.site-header.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo {
  font-size: 20px; font-weight: 700; color: var(--primary);
  letter-spacing: -0.02em; display: inline-flex; align-items: center;
  transition: opacity 0.2s ease;
}
.logo:hover { opacity: 0.82; }
.logo-accent { color: var(--accent); }
.logo-dot { display: inline-block; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; margin-left: 4px; }

.nav-wrap { display: flex; align-items: center; gap: 28px; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-item {
  font-size: 14px; font-weight: 500; color: var(--text);
  padding: 22px 0; position: relative; transition: color 0.2s ease;
}
.nav-item::after {
  content: '';
  position: absolute; left: 0; bottom: 16px;
  width: 0; height: 2px; background: var(--accent);
  transition: width 0.2s ease;
}
.nav-item:hover { color: var(--accent); }
.nav-item:hover::after { width: 100%; }
.nav-item.active { color: var(--accent); }
.nav-item.active::after { width: 100%; }

/* Mega Menu */
.mega-trigger { position: relative; }
.mega-btn {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; color: var(--text);
  padding: 8px 14px; border-radius: 8px;
  transition: all 0.2s ease;
}
.mega-btn:hover, .mega-trigger:hover .mega-btn { color: var(--accent); background: rgba(185,138,86,0.08); }
.mega-btn i { font-size: 11px; transition: transform 0.2s ease; }
.mega-trigger:hover .mega-btn i { transform: rotate(180deg); }
.mega-panel {
  position: absolute; top: calc(100% + 14px); right: 0;
  width: 620px;
  background: var(--dark);
  border-radius: 14px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1fr;
  gap: 28px;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all 0.28s ease;
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.06);
}
.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.mega-col h4 {
  color: #fff; font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mega-col a {
  display: block; color: #B0AFA9; font-size: 13px;
  padding: 6px 0; transition: color 0.2s ease, padding-left 0.2s ease;
}
.mega-col a:hover { color: var(--accent); padding-left: 4px; }
.mega-col .mega-news-item { padding: 8px 0; margin-bottom: 4px; }
.mega-news-title { display: block; color: #E8E6E1; font-size: 13px; font-weight: 500; margin-bottom: 2px; }
.mega-news-date { display: block; color: #8C8A84; font-size: 11px; }
.mega-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(185,138,86,0.35);
  border-radius: 10px;
  padding: 20px;
  display: flex; flex-direction: column; justify-content: center;
}
.mega-card h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.mega-card p { color: #B0AFA9; font-size: 12px; margin-bottom: 14px; line-height: 1.6; }
.mega-btn-gold {
  display: inline-block; background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 500;
  padding: 8px 18px; border-radius: 6px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.mega-btn-gold:hover { background: var(--accent-dark); transform: translateY(-1px); }

/* Mobile toggle */
.nav-toggle { display: none; }
.mobile-toggle { display: none; }

/* Page layout */
.page-wrapper { padding-top: 64px; min-height: calc(100vh - 64px); }

/* Breadcrumb */
.article-breadcrumb {
  max-width: 800px; margin: 0 auto;
  padding: 36px 24px 0;
  font-size: 13px; color: var(--text-muted);
}
.article-breadcrumb a { transition: color 0.2s ease; }
.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb .sep { margin: 0 8px; color: #C8C5BF; }
.article-breadcrumb .current { color: var(--text-secondary); }

/* Article header */
.article-header {
  max-width: 800px; margin: 0 auto;
  padding: 24px 24px 28px;
  animation: fadeUp 0.5s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.article-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.category-badge {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 500; color: var(--accent);
  border: 1px solid rgba(185,138,86,0.35);
  background: rgba(185,138,86,0.08);
  padding: 3px 14px; border-radius: 999px;
}
.article-meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.article-meta-item i { font-size: 12px; color: var(--accent); }
.article-title {
  font-size: 42px; font-weight: 700; line-height: 1.2;
  letter-spacing: -0.02em; margin-bottom: 0;
}

/* Article content */
.article-static-container { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.article-content {
  font-size: 16px; line-height: 1.85;
  color: var(--text);
  padding: 8px 0 48px;
  border-bottom: 1px solid var(--border);
  animation: fadeUp 0.4s ease both;
}
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 24px 0; color: #2A2A28; }
.article-content h2 {
  font-size: 24px; font-weight: 700; margin: 44px 0 16px;
  padding-bottom: 10px; border-bottom: 2px solid rgba(185,138,86,0.25);
}
.article-content h3 {
  font-size: 20px; font-weight: 600; margin: 32px 0 12px;
}
.article-content ul, .article-content ol { margin: 20px 0; padding-left: 26px; }
.article-content li { margin: 10px 0; }
.article-content li::marker { color: var(--accent); }
.article-content strong { font-weight: 600; color: var(--primary); }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-secondary);
  padding: 18px 24px; margin: 28px 0;
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
  font-size: 15px;
}
.article-content blockquote p { margin: 0; color: var(--text-secondary); }
.article-content pre {
  background: var(--dark); color: #E8E6E1;
  padding: 18px 22px; border-radius: 10px;
  overflow-x: auto; font-size: 14px; line-height: 1.7;
  margin: 28px 0;
}
.article-content pre code { color: inherit; background: none; padding: 0; }
.article-content code {
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  background: rgba(185,138,86,0.1);
  color: var(--accent-dark);
  padding: 2px 6px; border-radius: 4px; font-size: 14px;
}
.article-content img {
  border-radius: 12px; margin: 28px 0;
  border: 1px solid var(--border);
}
.article-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent-dark); }

/* Related */
.related-section {
  max-width: 1200px; margin: 0 auto;
  padding: 56px 24px 0;
}
.related-section h2 {
  font-size: 28px; font-weight: 700;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
}
.related-section h2::before {
  content: '';
  display: inline-block; width: 4px; height: 22px;
  background: var(--accent); border-radius: 2px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex; flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}
.related-card h3 { font-size: 18px; font-weight: 600; line-height: 1.4; margin-bottom: 10px; }
.related-card h3 a, .related-card h3 a:hover { color: var(--text); }
.related-card:hover h3 a { color: var(--accent); }
.related-card p {
  font-size: 14px; color: var(--text-secondary); line-height: 1.6;
  margin-bottom: 14px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.related-card .related-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--bg-secondary);
}
.related-date { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.related-link { font-size: 13px; color: var(--accent); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.2s ease; }
.related-link:hover { gap: 8px; }

/* CTA */
.cta-section {
  background: var(--dark);
  padding: 72px 0;
  margin-top: 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.cta-section h2 { color: #fff; font-size: 32px; font-weight: 700; margin-bottom: 14px; }
.cta-section p { color: #B0AFA9; max-width: 480px; margin: 0 auto 32px; font-size: 15px; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  font-size: 14px; font-weight: 500;
  padding: 13px 30px; border-radius: 8px;
  transition: all 0.2s ease;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(185,138,86,0.35); }
.btn-primary i { font-size: 13px; }

/* Not found */
.not-found-block {
  max-width: 600px; margin: 120px auto;
  padding: 48px 40px; text-align: center;
  background: #fff; border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  animation: fadeUp 0.5s ease both;
}
.not-found-block i { font-size: 36px; color: var(--accent); margin-bottom: 16px; display: block; }
.not-found-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.not-found-desc { color: var(--text-secondary); margin-bottom: 28px; }

/* Footer */
.site-footer {
  background: var(--dark);
  color: #B0AFA9;
  padding: 56px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand .logo { color: #fff; font-size: 20px; display: inline-block; margin-bottom: 14px; }
.footer-brand .logo .logo-accent { color: var(--accent); }
.footer-brand p { font-size: 13px; line-height: 1.7; color: #8C8A84; }
.footer-col h4 {
  color: #fff; font-size: 14px; font-weight: 600;
  margin-bottom: 16px;
  position: relative; padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 24px; height: 2px; background: var(--accent);
  border-radius: 1px;
}
.footer-col a {
  display: block; font-size: 13px; color: #B0AFA9;
  padding: 6px 0; transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--accent); }
.contact-item { font-size: 13px; color: #B0AFA9; display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.contact-item i { color: var(--accent); width: 16px; text-align: center; font-size: 12px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  font-size: 12px;
  color: #8C8A84;
  text-align: center;
}

/* Responsive */
@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .mega-panel { width: 520px; }
}

@media (max-width: 767px) {
  .mobile-toggle {
    display: flex; flex-direction: column; gap: 5px;
    padding: 10px; cursor: pointer; z-index: 1001;
  }
  .mobile-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: all 0.2s ease;
  }
  .nav-toggle:checked ~ .mobile-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .mobile-toggle span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .mobile-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-wrap {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    background: #fff;
    padding: 16px 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-toggle:checked ~ .nav-wrap { display: flex; }

  .main-nav { flex-direction: column; align-items: flex-start; gap: 2px; width: 100%; }
  .nav-item { padding: 12px 0; width: 100%; font-size: 16px; }
  .nav-item::after { bottom: 8px; }
  .mega-trigger { width: 100%; margin-top: 12px; border-top: 1px solid var(--bg-secondary); padding-top: 12px; }
  .mega-btn { width: 100%; justify-content: space-between; font-size: 16px; }
  .mega-panel {
    position: static; width: 100%;
    opacity: 1; visibility: visible; transform: none;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 8px;
    box-shadow: none;
    border-radius: 10px;
    padding: 20px;
    background: #1E1E1E;
  }

  .article-title { font-size: 30px; }
  .article-breadcrumb, .article-header, .article-static-container {
    padding-left: 16px; padding-right: 16px;
  }
  .article-breadcrumb { padding-top: 24px; font-size: 12px; }
  .article-header { padding-bottom: 16px; }
  .article-meta { gap: 10px; }
  .related-section { padding-left: 16px; padding-right: 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 56px 16px; }
  .cta-section h2 { font-size: 26px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { font-size: 11px; padding-top: 20px; }
}

/* roulang page: category2 */
:root {
    --ink: #1B1B1B;
    --gold: #B98A56;
    --goldDark: #A8782A;
    --mist: #F5F3EF;
    --sub: #ECEAE5;
    --darkbg: #141414;
    --textLight: #B0AFA9;
    --textSub: #5A5A56;
    --textWeak: #8C8A84;
    --border: #E8E6E1;
    --borderDark: rgba(255,255,255,0.1);
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 6px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
    --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --transition: 0.2s ease;
}
*, ::before, ::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-main);
    background: var(--mist);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-pad {
    padding: 88px 0;
}
.section-head {
    text-align: center;
    margin-bottom: 56px;
}
.section-tag {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(185,138,86,0.4);
    border-radius: var(--radius-pill);
    padding: 4px 18px;
    margin-bottom: 16px;
    background: rgba(185,138,86,0.06);
}
.section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 12px;
}
.section-desc {
    font-size: 16px;
    color: var(--textSub);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.75;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--gold);
    color: #fff;
}
.btn-primary:hover {
    background: var(--goldDark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(185,138,86,0.35);
}
.btn-secondary {
    background: transparent;
    border-color: #C8C4BE;
    color: var(--ink);
}
.btn-secondary:hover {
    border-color: var(--gold);
    background: rgba(185,138,86,0.05);
    transform: translateY(-2px);
}
.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.header-inner {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.logo {
    font-size: 21px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.5px;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}
.logo-accent {
    color: var(--gold);
    font-weight: 700;
}
.logo-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    margin-left: 2px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: 32px;
    flex: 1;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    position: relative;
    padding: 20px 0 18px;
    transition: color var(--transition);
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 12px;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.25s ease;
}
.nav-links a:hover {
    color: var(--gold);
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-links a.active {
    color: var(--gold);
}
.nav-links a.active::after {
    width: 100%;
}
.nav-more {
    position: relative;
    margin-left: auto;
}
.more-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}
.more-trigger:hover {
    color: var(--gold);
    background: rgba(185,138,86,0.08);
}
.mega-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 600px;
    background: var(--darkbg);
    border-radius: var(--radius-lg);
    padding: 32px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s ease;
    z-index: 1200;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
}
.mega-col h4 {
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.mega-col a {
    display: block;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    padding: 6px 0;
    transition: color 0.2s ease;
}
.mega-col a:hover {
    color: var(--gold);
}
.mega-card {
    border: 1px solid var(--borderDark);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: rgba(255,255,255,0.03);
    transition: border-color 0.3s ease;
}
.mega-card:hover {
    border-color: rgba(185,138,86,0.5);
}
.mega-card a {
    color: var(--gold);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mega-card a span {
    font-size: 18px;
    transition: transform 0.2s ease;
}
.mega-card a:hover span {
    transform: translateX(4px);
}
.menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--ink);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.menu-toggle:hover {
    background: rgba(0,0,0,0.04);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    display: none;
    z-index: 999;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
}
.mobile-menu.open {
    display: block;
}
.mobile-menu a {
    display: block;
    padding: 14px 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--gold);
}
.mobile-menu .mobile-sub {
    margin-top: 12px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}
.mobile-menu .mobile-sub h4 {
    font-size: 13px;
    color: var(--textWeak);
    padding: 8px 12px;
}

/* Hero */
.hero-section {
    position: relative;
    padding: 168px 0 88px;
    background-color: var(--mist);
    background-image:
        linear-gradient(rgba(27,27,27,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(27,27,27,0.025) 1px, transparent 1px);
    background-size: 28px 28px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}
.hero-copy {
    animation: fadeUp 0.6s ease both;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(185,138,86,0.1);
    border: 1px solid rgba(185,138,86,0.3);
    color: var(--gold);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    margin-bottom: 20px;
}
.hero-badge i {
    font-size: 12px;
}
.hero-title {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero-title .highlight {
    color: var(--gold);
    position: relative;
    display: inline-block;
}
.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 6px;
    background: rgba(185,138,86,0.2);
    z-index: -1;
    border-radius: 3px;
}
.hero-subtitle {
    font-size: 18px;
    color: var(--textSub);
    max-width: 520px;
    line-height: 1.75;
    margin-bottom: 32px;
    animation: fadeUp 0.6s ease 0.15s both;
}
.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeUp 0.6s ease 0.3s both;
}
.hero-visual {
    position: relative;
    animation: fadeUp 0.6s ease 0.2s both;
}
.hero-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
    position: relative;
}
.hero-img-wrap img {
    width: 100%;
    height: 100%;
    min-height: 340px;
    object-fit: cover;
}
.hero-img-wrap .img-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #3A3A38, #1B1B1B);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}
.hero-float-card {
    position: absolute;
    bottom: 24px;
    left: -24px;
    background: var(--darkbg);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.08);
}
.hero-float-card i {
    color: var(--gold);
    font-size: 20px;
}
.hero-float-card .float-text {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
}
.hero-float-card .float-text strong {
    display: block;
    font-size: 18px;
    color: var(--gold);
    font-weight: 700;
}

/* Trust Bar */
.trust-bar {
    background: #fff;
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.trust-item {
    text-align: center;
    padding: 20px 16px;
}
.trust-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
    display: block;
}
.trust-label {
    font-size: 13px;
    color: var(--textWeak);
    margin-top: 8px;
    display: block;
}

/* Features */
.section-features {
    background: var(--mist);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold);
    opacity: 0;
    transition: opacity var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(185,138,86,0.4);
    box-shadow: var(--shadow-hover);
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: rgba(185,138,86,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 20px;
    color: var(--gold);
    border: 1px solid rgba(185,138,86,0.15);
}
.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.feature-desc {
    font-size: 14px;
    color: var(--textSub);
    line-height: 1.7;
    margin-bottom: 16px;
}
.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gold);
    transition: gap 0.2s ease;
}
.feature-link:hover {
    gap: 10px;
}

/* Process */
.section-process {
    background: var(--sub);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.process-step {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: all var(--transition);
}
.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.step-num {
    width: 44px;
    height: 44px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--darkbg);
    color: var(--gold);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.step-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}
.step-desc {
    font-size: 13px;
    color: var(--textSub);
    line-height: 1.65;
}

/* Scenarios */
.section-scenarios {
    background: var(--mist);
}
.scenario-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
}
.scenario-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}
.scenario-item:hover {
    box-shadow: var(--shadow-hover);
}
.scenario-img {
    height: 100%;
    min-height: 260px;
    position: relative;
}
.scenario-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.scenario-copy {
    padding: 36px 40px;
}
.scenario-copy h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}
.scenario-copy p {
    font-size: 14px;
    color: var(--textSub);
    line-height: 1.7;
    margin-bottom: 18px;
}
.scenario-list {
    list-style: none;
    padding: 0;
}
.scenario-list li {
    position: relative;
    padding-left: 28px;
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 10px;
}
.scenario-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--gold);
    font-size: 14px;
}

/* Results */
.section-results {
    background: var(--darkbg);
    padding: 88px 0;
}
.section-results .section-title {
    color: #fff;
}
.section-results .section-desc {
    color: rgba(255,255,255,0.6);
}
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
}
.result-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
}
.result-card:hover {
    border-color: rgba(185,138,86,0.4);
    transform: translateY(-4px);
    background: rgba(255,255,255,0.06);
}
.result-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(185,138,86,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gold);
    margin-bottom: 18px;
}
.result-name {
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}
.result-desc {
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    line-height: 1.65;
    margin-bottom: 18px;
}
.result-data {
    font-size: 28px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
}
.result-data-label {
    color: rgba(255,255,255,0.4);
    font-size: 12px;
    margin-top: 4px;
}

/* FAQ */
.section-faq {
    background: var(--mist);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
    border-color: rgba(185,138,86,0.4);
}
.faq-item[open] {
    box-shadow: var(--shadow-card);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    color: var(--ink);
    gap: 16px;
}
.faq-question::-webkit-details-marker {
    display: none;
}
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(185,138,86,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}
.faq-icon i {
    font-size: 14px;
    color: var(--gold);
    transition: transform 0.3s ease;
}
.faq-item[open] .faq-icon i {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--textSub);
    line-height: 1.75;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: -8px;
}

/* CTA */
.cta-section {
    background: var(--darkbg);
    padding: 88px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(185,138,86,0.15) 0%, transparent 70%);
}
.cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}
.cta-title {
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
}
.cta-subtitle {
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.75;
}
.cta-inner .btn-primary {
    font-size: 16px;
    padding: 16px 44px;
}

/* Footer */
.site-footer {
    background: var(--darkbg);
    padding: 64px 0 0;
    color: var(--textLight);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
    display: inline-block;
}
.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    padding: 5px 0;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}
.footer-col a:hover {
    color: var(--gold);
    border-bottom-color: rgba(185,138,86,0.3);
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    padding: 5px 0;
}
.contact-item i {
    color: var(--gold);
    font-size: 14px;
    width: 18px;
    text-align: center;
}
.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

/* Keyframes */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 38px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenario-item {
        grid-template-columns: 1fr;
    }
    .scenario-img {
        min-height: 220px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    .section-pad {
        padding: 56px 0;
    }
    .container {
        padding: 0 20px;
    }
    .nav-links {
        display: none;
    }
    .nav-more {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .mobile-menu {
        display: none;
    }
    .mobile-menu.open {
        display: block;
    }
    .hero-section {
        padding: 120px 0 56px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-title {
        font-size: 30px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-float-card {
        left: 12px;
        bottom: 12px;
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .trust-number {
        font-size: 28px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .results-grid {
        grid-template-columns: 1fr;
    }
    .scenario-copy {
        padding: 24px 20px;
    }
    .cta-title {
        font-size: 28px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .mega-panel {
        width: 100%;
        right: auto;
        left: 0;
    }
}
@media (max-width: 520px) {
    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }
    .btn-lg {
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    }
}

/* roulang page: category3 */
:root {
            --primary: #1B1B1B;
            --accent: #B98A56;
            --accent-dark: #A8782A;
            --bg: #F5F3EF;
            --bg-alt: #ECEAE5;
            --dark: #141414;
            --text: #1B1B1B;
            --text-secondary: #5A5A56;
            --text-muted: #8C8A84;
            --border: #E8E6E1;
            --border-dark: rgba(255, 255, 255, 0.1);
            --error: #C0392B;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --transition: 0.2s ease;
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            border-bottom: 1px solid transparent;
            z-index: 1000;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            border-color: var(--border);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            height: 64px;
            gap: 32px;
            position: relative;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: baseline;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-accent {
            color: var(--accent);
        }
        .logo-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            margin-left: 2px;
            position: relative;
            top: -3px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 24px;
            flex: 1;
        }
        .nav-links>a {
            position: relative;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .nav-links>a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-links>a:hover {
            color: var(--accent);
        }
        .nav-links>a:hover::after,
        .nav-links>a.active::after {
            width: 70%;
        }
        .nav-links>a.active {
            color: var(--accent);
        }
        .nav-toggle-input {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: #fff;
            cursor: pointer;
            margin-left: auto;
            padding: 8px;
            z-index: 1002;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle-input:checked~.nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle-input:checked~.nav-toggle span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle-input:checked~.nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mega Menu */
        .nav-more {
            position: relative;
            margin-left: auto;
        }
        .nav-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: none;
            border: none;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .nav-more-btn i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .nav-more:hover .nav-more-btn,
        .nav-more:focus-within .nav-more-btn {
            color: var(--accent);
            border-color: var(--accent);
        }
        .nav-more:hover .nav-more-btn i,
        .nav-more:focus-within .nav-more-btn i {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 600px;
            max-width: calc(100vw - 48px);
            background: var(--dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
            z-index: 1001;
        }
        .nav-more:hover .mega-panel,
        .nav-more:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.4fr 1fr;
            gap: 32px;
        }
        .mega-col h4 {
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .mega-col a {
            display: block;
            color: #D8D5CE;
            font-size: 14px;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition), border-color var(--transition);
        }
        .mega-col a:last-child {
            border-bottom: none;
        }
        .mega-col a:hover {
            color: var(--accent);
            border-color: rgba(185, 138, 86, 0.3);
        }
        .mega-col a span {
            float: right;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .mega-card {
            border: 1px solid rgba(185, 138, 86, 0.5);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            background: rgba(185, 138, 86, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mega-card h4 {
            color: #F5F3EF;
            font-size: 15px;
            font-weight: 600;
            margin: 0;
        }
        .mega-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            line-height: 1.5;
        }
        .mega-card .btn {
            margin-top: 6px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(185, 138, 86, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(185, 138, 86, 0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border-color: #D8D6D1;
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            background: rgba(185, 138, 86, 0.05);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== Section utilities ===== */
        .section-padding {
            padding: 90px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            border: 1px solid rgba(185, 138, 86, 0.35);
            border-radius: 999px;
            padding: 4px 16px;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: rgba(185, 138, 86, 0.06);
        }

        /* ===== Hero ===== */
        .hero {
            padding: 160px 0 80px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(27, 27, 27, 0.05) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            animation: fadeUp 0.6s ease 0.1s both;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(185, 138, 86, 0.1);
            border: 1px solid rgba(185, 138, 86, 0.3);
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 24px;
        }
        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .hero h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.7;
            animation: fadeUp 0.6s ease 0.2s both;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            animation: fadeUp 0.6s ease 0.3s both;
        }
        .hero-media {
            position: relative;
            animation: fadeUp 0.6s ease 0.3s both;
        }
        .hero-media img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-hover);
        }
        .hero-media::after {
            content: "";
            position: absolute;
            bottom: -16px;
            right: -16px;
            width: 60%;
            height: 60%;
            border: 2px solid var(--accent);
            border-radius: var(--radius-lg);
            opacity: 0.25;
            z-index: -1;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Trust Bar ===== */
        .trust-bar {
            background: var(--bg);
            padding: 0 0 80px;
            border-bottom: 1px solid var(--border);
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .trust-item {
            text-align: center;
            padding: 32px 16px;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .trust-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(185, 138, 86, 0.4);
        }
        .trust-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .trust-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(185, 138, 86, 0.5);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-lg);
            background: rgba(185, 138, 86, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }
        .card-link i {
            transition: transform var(--transition);
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Split Blocks ===== */
        .bg-alt {
            background: var(--bg-alt);
        }
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .split-block.reverse .split-media {
            order: 2;
        }
        .split-media img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 1/1;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .split-content .section-tag {
            margin-bottom: 12px;
        }
        .split-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }
        .split-content>p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .check-list {
            list-style: none;
            margin-top: 8px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            border-bottom: 1px solid var(--border);
        }
        .check-list li:last-child {
            border-bottom: none;
        }
        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            font-size: 14px;
            line-height: 1.6;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(185, 138, 86, 0.4);
        }
        .step-num {
            font-size: 36px;
            font-weight: 700;
            color: rgba(185, 138, 86, 0.35);
            line-height: 1;
            margin-bottom: 20px;
            font-family: Georgia, serif;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text);
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Dark Section ===== */
        .dark-section {
            background: var(--dark);
            padding: 90px 0;
            color: #fff;
        }
        .dark-section .section-tag {
            border-color: rgba(185, 138, 86, 0.6);
            background: rgba(185, 138, 86, 0.15);
        }
        .dark-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 64px;
            align-items: center;
        }
        .dark-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #F5F3EF;
        }
        .dark-content p {
            color: #B0AFA9;
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }
        .dark-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .dark-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
        }
        .dark-card:hover {
            border-color: rgba(185, 138, 86, 0.4);
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.06);
        }
        .dark-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(185, 138, 86, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 17px;
            margin-bottom: 16px;
        }
        .dark-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: #F5F3EF;
            margin-bottom: 10px;
        }
        .dark-card p {
            font-size: 13px;
            color: #B0AFA9;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-container {
            max-width: 860px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(185, 138, 86, 0.5);
        }
        .faq-toggle {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition), color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
            position: relative;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .faq-icon::before {
            width: 10px;
            height: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 10px;
        }
        .faq-toggle:checked~.faq-question {
            border-bottom-color: var(--border);
            color: var(--accent);
        }
        .faq-toggle:checked~.faq-question .faq-icon {
            border-color: var(--accent);
            background: rgba(185, 138, 86, 0.1);
        }
        .faq-toggle:checked~.faq-question .faq-icon::after {
            transform: scaleY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 28px;
            background: var(--bg);
        }
        .faq-answer p {
            padding: 4px 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .faq-toggle:checked~.faq-answer {
            max-height: 260px;
            padding: 8px 28px 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            padding: 90px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(185, 138, 86, 0.12) 1px, transparent 1px);
            background-size: 28px 28px;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            color: #F5F3EF;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: #B0AFA9;
            font-size: 16px;
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Contact Form ===== */
        .contact-form {
            max-width: 620px;
            margin: 40px auto 0;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: grid;
            gap: 18px;
            text-align: left;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: #D8D5CE;
        }
        .form-input {
            background: #1f1f1f;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: #F5F3EF;
            transition: border-color var(--transition), box-shadow var(--transition);
            font-family: inherit;
            width: 100%;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(185, 138, 86, 0.15);
        }
        .form-error {
            font-size: 12px;
            color: #E57467;
            display: none;
        }
        .form-success {
            font-size: 14px;
            color: var(--accent);
            text-align: center;
            display: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding: 64px 0 0;
            color: #B0AFA9;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 24px;
            color: #F5F3EF;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #F5F3EF;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            padding: 6px 0;
            color: #B0AFA9;
            border-bottom: 1px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            border-color: rgba(185, 138, 86, 0.3);
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            padding: 6px 0;
        }
        .contact-item i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero {
                padding-top: 130px;
            }
            .hero-media img {
                aspect-ratio: 16/9;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dark-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .split-block {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .split-block.reverse .split-media {
                order: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mega-panel {
                width: 480px;
            }
            .mega-grid {
                grid-template-columns: 1fr 1fr;
            }
            .mega-card {
                grid-column: span 2;
            }
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 56px 0;
            }
            .container {
                padding: 0 20px;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 24px 20px;
                gap: 0;
                margin: 0;
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
                display: none;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
                z-index: 1000;
            }
            .nav-toggle-input:checked~.nav-links {
                display: flex;
            }
            .nav-links>a {
                padding: 14px 8px;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }
            .nav-links>a:last-child {
                border-bottom: none;
            }
            .nav-links>a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-more {
                margin-left: 0;
                width: 100%;
            }
            .nav-more-btn {
                width: 100%;
                justify-content: space-between;
                padding: 14px 8px;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: none;
                background: var(--bg-alt);
                box-shadow: none;
                border-radius: 0;
                padding: 16px 8px;
                opacity: 1;
                visibility: visible;
                transform: none;
                display: none;
                border: 1px solid var(--border);
                margin-bottom: 12px;
            }
            .nav-more:hover .mega-panel,
            .nav-more:focus-within .mega-panel {
                display: block;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mega-card {
                grid-column: auto;
            }
            .hero {
                padding: 120px 0 56px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .trust-bar {
                padding-bottom: 56px;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-item {
                padding: 20px 12px;
            }
            .trust-num {
                font-size: 30px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .split-content h2 {
                font-size: 24px;
            }
            .dark-content h2 {
                font-size: 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .dark-cards {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .contact-form {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .btn-lg {
                width: 100%;
            }
        }