/* roulang page: index */
:root {
  --bg-main: #0A0F1E;
  --bg-deep: #070B14;
  --brand: #2563EB;
  --brand-light: #3B82F6;
  --brand-dark: #1D4ED8;
  --cyan-x: #22D3EE;
  --gold: #E7B75A;
  --text-main: #E7EDF6;
  --text-sub: #8B9BB4;
  --text-weak: #5F6F89;
  --glass-bg: rgba(255,255,255,0.05);
  --glass-bg-hover: rgba(255,255,255,0.09);
  --glass-border: rgba(255,255,255,0.12);
  --glass-border-hover: rgba(56,189,248,0.35);
  --radius-card: 16px;
  --radius-btn: 12px;
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.font-num { font-variant-numeric: tabular-nums; }

.container-x { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container-x { padding: 0 32px; } }

/* Scroll Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease-out, transform .7s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Nav */
.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 72px; display: flex; align-items: center;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.main-nav.scrolled {
  background: rgba(10,15,30,0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #2563EB 0%, #22D3EE 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
  position: relative; overflow: hidden;
}
.logo-icon::after {
  content: ''; position: absolute; top: 6px; right: -4px;
  width: 14px; height: 8px; border-top: 2px solid rgba(255,255,255,0.7); border-right: 2px solid rgba(255,255,255,0.7);
  transform: rotate(15deg); border-radius: 2px;
}
.logo-text { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; color: var(--text-main); }
.logo-text span { color: var(--cyan-x); }
.nav-menu { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-menu a { font-size: 0.9375rem; color: var(--text-sub); font-weight: 500; position: relative; padding: 4px 0; }
.nav-menu a:hover { color: var(--text-main); }
.nav-menu a.active { color: var(--text-main); }
.nav-menu a.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px;
  background: var(--brand); border-radius: 2px; box-shadow: 0 0 8px rgba(37,99,235,0.6);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand); color: #fff;
  font-size: 0.9375rem; font-weight: 600;
  padding: 10px 22px; border-radius: var(--radius-btn);
  box-shadow: var(--glow-blue);
  transition: all .3s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(37,99,235,0.55); }
.nav-cta:focus, .btn:focus, .btn-secondary:focus, .btn-outline:focus, .nav-toggle:focus, .faq-toggle:focus {
  outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,0.5);
}
.hamburger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; transition: background .3s; }
.hamburger:hover { background: rgba(255,255,255,0.06); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text-main); margin: 3px 0; border-radius: 2px; transition: all .35s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.mobile-drawer {
  position: fixed; top: 0; right: -320px; bottom: 0; width: 280px; z-index: 999;
  background: rgba(10,15,30,0.96); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid rgba(255,255,255,0.08);
  transition: right .35s ease; padding: 84px 28px 32px;
  display: flex; flex-direction: column;
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a { padding: 12px 0; font-size: 1rem; color: var(--text-sub); border-bottom: 1px solid rgba(255,255,255,0.04); }
.mobile-drawer a:hover, .mobile-drawer a.active { color: var(--text-main); }
.mobile-drawer a.active { color: var(--brand-light); }
.mobile-drawer .nav-cta { margin-top: auto; display: flex; justify-content: center; }
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998;
  opacity: 0; pointer-events: none; transition: opacity .35s;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
}

/* Hero */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  background: linear-gradient(to right, rgba(10,15,30,0.95) 0%, rgba(10,15,30,0.75) 50%, rgba(10,15,30,0.9) 100%),
              url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 1024px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800; letter-spacing: -0.02em;
  line-height: 1.15; margin-bottom: 24px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, #22D3EE, #2563EB);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle { font-size: 1.125rem; color: var(--text-sub); line-height: 1.8; margin-bottom: 32px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brand); color: #fff; font-weight: 600;
  padding: 14px 30px; border-radius: var(--radius-btn);
  box-shadow: var(--glow-blue);
  font-size: 1rem; transition: all .3s; border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 44px rgba(37,99,235,0.55); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: rgba(255,255,255,0.05); color: var(--text-main);
  border: 1px solid var(--glass-border); font-weight: 500;
  padding: 14px 30px; border-radius: var(--radius-btn);
  font-size: 1rem; transition: all .3s; backdrop-filter: blur(10px);
}
.btn-outline:hover { border-color: var(--glass-border-hover); background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: rgba(255,255,255,0.06); color: var(--text-main);
  border: 1px solid var(--glass-border); font-weight: 500;
  padding: 12px 26px; border-radius: var(--radius-btn);
  font-size: 0.9375rem; transition: all .3s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); transform: translateY(-2px); }

/* Hero Panel */
.hero-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.hero-panel::before {
  content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
}
.hero-panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.panel-label { font-size: 0.8125rem; color: var(--text-sub); letter-spacing: 0.05em; font-weight: 500; }
.panel-badge { font-size: 0.75rem; background: rgba(34,211,238,0.12); color: var(--cyan-x); padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(34,211,238,0.25); }
.panel-metrics { display: flex; flex-direction: column; gap: 24px; }
.panel-metric { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.panel-metric:last-child { border-bottom: none; padding-bottom: 0; }
.metric-value { font-size: 2.5rem; font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.metric-value .unit { font-size: 1rem; font-weight: 500; color: var(--text-sub); margin-left: 4px; }
.metric-name { font-size: 0.875rem; color: var(--text-sub); }
.metric-trend { display: flex; align-items: center; gap: 4px; font-size: 0.8125rem; color: #34D399; font-weight: 600; }
.metric-trend svg { width: 14px; height: 14px; }
.panel-metrics-row { display: flex; gap: 24px; margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.06); }
.panel-mini { flex: 1; }
.panel-mini .value { font-size: 1.25rem; font-weight: 700; color: var(--text-main); font-variant-numeric: tabular-nums; }
.panel-mini .name { font-size: 0.75rem; color: var(--text-weak); margin-top: 2px; }

/* Section common */
.section { padding: 80px 0; position: relative; }
@media (min-width: 768px) { .section { padding: 100px 0; } }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head .overline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--cyan-x); font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head .overline::before { content: ''; width: 24px; height: 2px; background: var(--cyan-x); border-radius: 2px; }
.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.01em;
  line-height: 1.2; margin-bottom: 16px;
  position: relative; padding-left: 16px;
}
.section-title::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 4px; background: var(--brand); border-radius: 4px; box-shadow: 0 0 12px rgba(37,99,235,0.5); }
.section-desc { font-size: 1.0625rem; color: var(--text-sub); line-height: 1.75; }

/* Metrics Bar */
.metrics-bar { background: linear-gradient(to right, rgba(255,255,255,0.03), rgba(255,255,255,0.06), rgba(255,255,255,0.03)); border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04); padding: 48px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
@media (max-width: 768px) { .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
.metric-block { text-align: center; position: relative; }
.metric-block .number { font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.metric-block .label { font-size: 0.875rem; color: var(--text-sub); margin-top: 6px; }
.metric-block .arrow { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; color: #34D399; margin-top: 4px; font-weight: 500; }
.metric-block .arrow svg { width: 12px; height: 12px; }
.metric-block::after { content: ''; position: absolute; right: -16px; top: 20%; bottom: 20%; width: 1px; background: rgba(255,255,255,0.06); }
.metric-block:last-child::after { display: none; }
@media (max-width: 768px) { .metric-block:nth-child(2)::after { display: none; } }

/* Data Dashboard */
.dashboard-section { background: radial-gradient(ellipse at 80% 20%, rgba(34,211,238,0.05), transparent 60%); }
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
@media (max-width: 1024px) { .dashboard-grid { grid-template-columns: 1fr; } }
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: all .3s;
}
.glass-card::before {
  content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
}
.glass-card::after {
  content: ''; position: absolute; top: 8px; right: 8px;
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; }
.card-header h3 { font-size: 1.125rem; font-weight: 600; }
.card-header .tag-gold {
  font-size: 0.6875rem; color: var(--gold);
  background: rgba(231,183,90,0.1); border: 1px solid rgba(231,183,90,0.2);
  padding: 4px 12px; border-radius: 999px;
}
.chart-bars { display: flex; align-items: flex-end; gap: 12px; height: 220px; padding-top: 10px; }
.chart-bar {
  flex: 1; border-radius: 6px 6px 2px 2px;
  background: linear-gradient(to top, var(--brand) 0%, #22D3EE 100%);
  position: relative; min-height: 20px;
  transition: height 1s ease-out, filter .3s;
  opacity: 0.9;
}
.chart-bar:hover { filter: brightness(1.2); }
.chart-bar::after {
  content: attr(data-label);
  position: absolute; bottom: -26px; left: 50%; transform: translateX(-50%);
  font-size: 0.6875rem; color: var(--text-weak);
  white-space: nowrap;
}
.chart-bars-legend { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-right: 6px; }

/* Donut & Legend */
.donut-wrap { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.donut {
  width: 180px; height: 180px;
  border-radius: 50%;
  background: conic-gradient(
    var(--brand) 0% 42%,
    var(--cyan-x) 42% 68%,
    var(--gold) 68% 85%,
    rgba(255,255,255,0.08) 85% 100%
  );
  position: relative;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}
.donut::after {
  content: '行业分布';
  position: absolute; inset: 28px;
  background: var(--bg-main);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8125rem; color: var(--text-sub); font-weight: 500;
}
.legend-list { list-style: none; width: 100%; display: flex; flex-direction: column; gap: 12px; }
.legend-list li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--text-sub); }
.legend-list .val { margin-left: auto; color: var(--text-main); font-weight: 600; font-variant-numeric: tabular-nums; }

/* Services */
.services-bg { position: relative; background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.02), transparent); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 1024px) { .service-grid { grid-template-columns: 1fr; } }
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all .3s;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.12), transparent);
}
.service-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.service-card.flagship {
  grid-column: span 2;
  border-top: 1px solid rgba(231,183,90,0.3);
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(255,255,255,0.03) 50%, rgba(255,255,255,0.05) 100%);
}
.service-card.flagship::before {
  background: linear-gradient(to right, transparent, rgba(231,183,90,0.3), transparent);
}
@media (max-width: 1024px) { .service-card.flagship { grid-column: span 1; } }
.service-card .svc-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(37,99,235,0.12); border: 1px solid rgba(37,99,235,0.25);
  margin-bottom: 20px; font-size: 22px; color: var(--cyan-x);
}
.service-card .svc-badge {
  position: absolute; top: 20px; right: 20px;
  font-size: 0.6875rem; font-weight: 600;
  color: var(--gold); background: rgba(231,183,90,0.1);
  padding: 4px 12px; border-radius: 999px;
  border: 1px solid rgba(231,183,90,0.2);
}
.service-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }
.service-card p.desc { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.service-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.service-card .tag {
  font-size: 0.75rem; color: var(--text-sub);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 12px; border-radius: 999px;
  transition: all .3s;
}
.service-card .tag:hover { border-color: rgba(34,211,238,0.3); color: var(--cyan-x); }
.service-card .svc-data { display: flex; gap: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.svc-data .val { font-size: 1.375rem; font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; }
.svc-data .name { font-size: 0.75rem; color: var(--text-weak); margin-top: 2px; }
.service-card .learn-more { display: inline-flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--cyan-x); font-weight: 500; }
.service-card .learn-more svg { width: 14px; height: 14px; transition: transform .3s; }
.service-card .learn-more:hover svg { transform: translateX(4px); }

/* Comparison */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; position: relative; }
@media (max-width: 768px) { .compare-grid { grid-template-columns: 1fr; gap: 24px; } }
.compare-arrow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--bg-main); border: 1px solid rgba(34,211,238,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan-x); font-size: 20px; z-index: 2;
  box-shadow: 0 0 30px rgba(34,211,238,0.15);
}
@media (max-width: 768px) {
  .compare-arrow { transform: translate(-50%, -50%) rotate(90deg); }
}
.compare-card {
  border-radius: var(--radius-card);
  padding: 36px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  transition: all .3s;
}
.compare-card.default-module { background: rgba(255,255,255,0.02); opacity: 0.75; }
.compare-card.qianyi-module {
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(34,211,238,0.04) 60%, rgba(255,255,255,0.04));
  border-color: rgba(34,211,238,0.3);
  box-shadow: 0 10px 40px rgba(37,99,235,0.15), inset 0 1px 0 rgba(255,255,255,0.1);
}
.compare-card h3 { font-size: 1.375rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.compare-card .icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.compare-card h4 { font-size: 0.9375rem; font-weight: 600; color: var(--text-sub); margin-bottom: 12px; }
.compare-card .desc-line { font-size: 0.875rem; color: var(--text-sub); line-height: 1.7; }
.compare-bars { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }
.compare-row { display: flex; flex-direction: column; gap: 6px; }
.compare-row .row-label { font-size: 0.8125rem; color: var(--text-sub); }
.compare-row .bar-wrap { display: flex; gap: 12px; align-items: center; }
.compare-row .bar-track { flex: 1; height: 8px; border-radius: 4px; background: rgba(255,255,255,0.04); overflow: hidden; position: relative; }
.compare-row .bar-fill { height: 100%; border-radius: 4px; transition: width 1.2s ease-out; }
.bar-default { background: linear-gradient(to right, #4B5563, #6B7280); }
.bar-qianyi { background: linear-gradient(to right, var(--brand), var(--cyan-x)); box-shadow: 0 0 10px rgba(37,99,235,0.4); }
.compare-row .bar-val { font-size: 0.75rem; color: var(--text-weak); font-variant-numeric: tabular-nums; min-width: 40px; text-align: right; }
.compare-row .bar-val.qianyi { color: var(--cyan-x); font-weight: 600; }

/* News */
.news-section { background: radial-gradient(ellipse at 20% 30%, rgba(37,99,235,0.04), transparent 50%); }
.news-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
@media (max-width: 1024px) { .news-grid { grid-template-columns: 1fr; } }
.news-card-large {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .3s;
}
.news-card-large:hover { border-color: var(--glass-border-hover); transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.news-card-large .image-wrap { position: relative; height: 240px; overflow: hidden; }
.news-card-large .image-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card-large:hover .image-wrap img { transform: scale(1.04); }
.news-card-large .image-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,15,30,0.6), transparent);
}
.news-card-large .cat-tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  background: rgba(10,15,30,0.7); backdrop-filter: blur(10px);
  font-size: 0.75rem; color: var(--cyan-x);
  padding: 4px 14px; border-radius: 999px;
  border: 1px solid rgba(34,211,238,0.2);
}
.news-card-large .card-body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.news-card-large h3 { font-size: 1.375rem; font-weight: 600; line-height: 1.4; margin-bottom: 12px; }
.news-card-large p { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.7; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-large .meta { display: flex; align-items: center; gap: 12px; margin-top: 16px; font-size: 0.8125rem; color: var(--text-weak); }
.news-list { display: flex; flex-direction: column; }
.news-item {
  padding: 20px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; gap: 14px;
  transition: padding .3s, background .3s;
}
.news-item:first-child { padding-top: 8px; }
.news-item:hover { background: rgba(255,255,255,0.03); padding-left: 16px; border-radius: 10px; }
.news-item .cat-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-x); flex-shrink: 0; box-shadow: 0 0 6px rgba(34,211,238,0.5); }
.news-item .title { font-size: 0.9375rem; color: var(--text-main); flex: 1; line-height: 1.4; font-weight: 500; }
.news-item .time { font-size: 0.75rem; color: var(--text-weak); flex-shrink: 0; font-variant-numeric: tabular-nums; }
.news-empty {
  text-align: center; padding: 80px 20px;
  background: var(--glass-bg); border: 1px dashed var(--glass-border);
  border-radius: var(--radius-card);
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.news-empty svg { width: 48px; height: 48px; color: var(--text-weak); opacity: 0.5; }
.news-empty p { color: var(--text-sub); font-size: 1rem; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 16px; max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: all .3s;
}
.faq-item.open { border-color: var(--glass-border-hover); background: rgba(255,255,255,0.07); }
.faq-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px; text-align: left;
  font-size: 1rem; font-weight: 600; color: var(--text-main);
  transition: color .3s;
}
.faq-toggle .plus {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--text-sub);
  transition: all .35s; flex-shrink: 0;
  background: rgba(255,255,255,0.03);
}
.faq-item.open .plus { transform: rotate(45deg); color: var(--cyan-x); border-color: rgba(34,211,238,0.4); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer-inner { padding: 0 28px 24px; color: var(--text-sub); font-size: 0.9375rem; line-height: 1.75; }
.faq-answer-inner ol { padding-left: 20px; margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.faq-answer-inner ol li { padding-left: 4px; }
.faq-answer-inner strong { color: var(--text-main); font-weight: 600; }

/* Contact */
.contact-section { position: relative; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat fixed; }
.contact-section::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,15,30,0.95), rgba(10,15,30,0.88));
}
.contact-wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
@media (max-width: 1024px) { .contact-wrap { grid-template-columns: 1fr; } }
.form-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-card);
}
.form-card::before {
  content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.875rem; color: var(--text-sub); font-weight: 500; }
.form-group .required { color: #F87171; margin-left: 2px; }
.form-control {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-main);
  font-size: 0.9375rem;
  transition: all .3s;
  width: 100%;
}
.form-control::placeholder { color: var(--text-weak); }
.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.25);
  background: rgba(255,255,255,0.06);
}
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238B9BB4'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; }
textarea.form-control { resize: vertical; min-height: 120px; }
.btn-submit { background: var(--brand); color: #fff; font-weight: 600; padding: 14px 36px; border-radius: var(--radius-btn); box-shadow: var(--glow-blue); font-size: 1rem; transition: all .3s; display: inline-flex; align-items: center; gap: 8px; }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 14px 44px rgba(37,99,235,0.55); }
.btn-submit.submitted { background: #10B981; box-shadow: 0 10px 30px rgba(16,185,129,0.3); }
.contact-info-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 28px;
}
.contact-info-card::before {
  content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
}
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-item .ico {
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan-x); font-size: 18px; flex-shrink: 0;
}
.contact-item .val { font-size: 0.9375rem; color: var(--text-main); font-weight: 500; }
.contact-item .lbl { font-size: 0.75rem; color: var(--text-weak); margin-bottom: 2px; }
.contact-note {
  font-size: 0.8125rem; color: var(--text-sub);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 14px 16px; border-radius: 12px;
  line-height: 1.6;
  display: flex; align-items: flex-start; gap: 10px;
}
.contact-note .pulse {
  width: 8px; height: 8px; border-radius: 50%; background: #34D399;
  flex-shrink: 0; margin-top: 6px; position: relative;
}
.contact-note .pulse::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  background: rgba(52,211,153,0.4); animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.6; }
  70% { transform: scale(1.4); opacity: 0; }
  100% { opacity: 0; }
}

/* Footer */
.site-footer { background: var(--bg-deep); border-top: 1px solid rgba(255,255,255,0.04); position: relative; overflow: hidden; }
.site-footer::before {
  content: ''; position: absolute; top: -80px; right: 20%;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.04), transparent 70%);
  pointer-events: none;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 40px; position: relative; z-index: 2; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; padding: 48px 0 32px; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; color: var(--text-sub); line-height: 1.7; max-width: 300px; }
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); font-size: 15px; transition: all .3s;
}
.social-row a:hover { background: rgba(37,99,235,0.15); color: var(--cyan-x); border-color: rgba(37,99,235,0.3); transform: translateY(-2px); }
.footer-col h4 { font-size: 0.9375rem; font-weight: 600; color: var(--text-main); margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.875rem; color: var(--text-sub); transition: all .3s; }
.footer-col ul a:hover { color: var(--cyan-x); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { font-size: 0.875rem; color: var(--text-sub); display: flex; align-items: center; gap: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.8125rem; color: var(--text-weak);
  position: relative; z-index: 2;
}
.footer-bottom a { color: var(--text-sub); }
.footer-bottom a:hover { color: var(--cyan-x); }

/* Additional utilities */
.bg-grid-overlay {
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* CTA band */
.cta-band {
  position: relative;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding: 80px 0;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,15,30,0.92), rgba(7,11,20,0.96));
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.75rem, 3vw, 2.375rem); font-weight: 700; margin-bottom: 16px; letter-spacing: -0.01em; }
.cta-inner p { font-size: 1.0625rem; color: var(--text-sub); margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Back to top */
.back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 90;
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37,99,235,0.25); border: 1px solid rgba(37,99,235,0.35);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-main); font-size: 18px;
  opacity: 0; visibility: hidden; transition: all .3s;
  cursor: pointer;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: rgba(37,99,235,0.4); transform: translateY(-3px); }

/* roulang page: article */
:root {
  --bg-dark: #0A0F1E;
  --bg-deeper: #070B14;
  --brand: #2563EB;
  --brand-hover: #3B82F6;
  --accent: #22D3EE;
  --gold: #E7B75A;
  --text-primary: #E7EDF6;
  --text-secondary: #8B9BB4;
  --text-weak: #5F6F89;
  --glass-bg: rgba(255,255,255,0.05);
  --glass-bg-hover: rgba(255,255,255,0.09);
  --glass-border: rgba(255,255,255,0.12);
  --glass-border-hover: rgba(56,189,248,0.35);
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 20px 60px rgba(0,0,0,0.35);
  --shadow-btn: 0 10px 36px rgba(37,99,235,0.45);
  --font-main: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg-dark);
  color:var(--text-primary);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.container-x{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
@media(max-width:768px){
  .container-x{padding:0 20px}
}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}

/* ===== Header ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:72px;
  z-index:1000;
  background:transparent;
  transition:background .3s, box-shadow .3s, border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,15,30,0.75);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  box-shadow:0 8px 32px rgba(0,0,0,0.35);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.125rem;font-weight:700;color:#fff;letter-spacing:-0.01em;
  flex-shrink:0;
}
.logo-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;font-weight:800;color:#fff;
  box-shadow:0 4px 16px rgba(37,99,235,0.4);
}
.logo-text{white-space:nowrap}
.logo-text span{color:var(--gold);font-weight:600}
.main-nav .nav-menu{
  display:flex;align-items:center;gap:4px;list-style:none;
}
.main-nav .nav-menu a{
  display:block;padding:10px 16px;border-radius:8px;
  font-size:0.9375rem;color:var(--text-secondary);
  font-weight:500;transition:all .25s;position:relative;
}
.main-nav .nav-menu a:hover{
  color:#fff;background:rgba(255,255,255,0.05);
}
.main-nav .nav-menu a.active{
  color:#fff;font-weight:600;
}
.main-nav .nav-menu a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2563EB,#22D3EE);
  box-shadow:0 0 12px rgba(37,99,235,0.5);
}
.nav-right{display:flex;align-items:center;gap:16px}
.btn-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 22px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,#2563EB,#1D4ED8);
  color:#fff;font-size:0.9375rem;font-weight:600;
  box-shadow:0 6px 22px rgba(37,99,235,0.35);
  transition:all .3s;white-space:nowrap;
}
.btn-nav-cta:hover{
  box-shadow:0 8px 30px rgba(37,99,235,0.55);
  transform:translateY(-2px);
  color:#fff;
}
.btn-nav-cta:focus-visible{
  outline:2px solid rgba(34,211,238,0.6);
  outline-offset:3px;
}
.btn-nav-cta:active{transform:translateY(0);box-shadow:0 4px 14px rgba(37,99,235,0.3)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(255,255,255,0.06);border:1px solid var(--glass-border);
  transition:background .3s;
}
.nav-toggle:hover{background:rgba(255,255,255,0.1)}
.nav-toggle span{
  display:block;width:20px;height:2px;border-radius:2px;
  background:#fff;transition:all .3s;
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Mobile Drawer ===== */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:85vw;
  background:rgba(10,15,30,0.96);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-left:1px solid rgba(255,255,255,0.08);
  z-index:1100;padding:96px 28px 32px;
  transform:translateX(105%);
  transition:transform .35s cubic-bezier(0.16,1,0.3,1);
  display:flex;flex-direction:column;
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.mobile-drawer ul a{
  display:block;padding:12px 16px;border-radius:10px;
  font-size:1rem;color:var(--text-primary);font-weight:500;
  transition:all .25s;
}
.mobile-drawer ul a:hover{background:rgba(255,255,255,0.06);color:#fff}
.mobile-drawer ul a.active{
  background:rgba(37,99,235,0.15);
  color:#fff;font-weight:600;
  border-left:3px solid #2563EB;
}
.drawer-cta{
  margin-top:auto;display:flex;flex-direction:column;gap:12px;
}
.drawer-contact{
  display:flex;flex-direction:column;gap:8px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,0.08);
  font-size:0.875rem;color:var(--text-secondary);
}
.drawer-contact span{display:flex;align-items:center;gap:8px}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.55);
  z-index:1050;opacity:0;pointer-events:none;
  transition:opacity .3s;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;
  padding:150px 0 70px;
  background:
    linear-gradient(135deg,rgba(10,15,30,0.92) 0%,rgba(10,15,30,0.78) 50%,rgba(10,15,30,0.6) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.article-hero::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.article-hero .container-x{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:0.875rem;color:var(--text-secondary);
  margin-bottom:28px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-secondary);transition:color .25s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-weak)}
.breadcrumb .current{color:var(--text-primary);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-hero h1{
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:800;line-height:1.35;
  color:#fff;letter-spacing:-0.02em;
  max-width:820px;
  margin-bottom:22px;
}
.article-meta{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:0.875rem;color:var(--text-secondary);
}
.meta-item{
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  padding:6px 12px;border-radius:999px;
  transition:border-color .25s;
}
.meta-item:hover{border-color:rgba(56,189,248,0.3)}
.meta-item svg{color:var(--accent)}

/* ===== Article Body ===== */
.article-body-section{
  position:relative;
  padding:64px 0 80px;
  background:
    radial-gradient(ellipse at 80% 20%,rgba(37,99,235,0.08),transparent 60%),
    var(--bg-dark);
}
.article-paper{
  max-width:800px;margin:0 auto;
  background:#F8FAFC;
  border-radius:20px;
  padding:52px 56px 60px;
  box-shadow:
    0 30px 90px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.7);
  color:#1E293B;
  position:relative;
}
.article-paper::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#2563EB,#22D3EE,#E7B75A);
  border-radius:20px 20px 0 0;
}
@media(max-width:768px){
  .article-paper{padding:32px 20px 40px;border-radius:16px}
}
.article-content{
  font-size:1.0625rem;
  line-height:1.8;
  color:#1E293B;
}
.article-content p{
  margin-bottom:1.5em;
  line-height:1.8;
  color:#334155;
}
.article-content h2{
  font-size:1.5rem;font-weight:700;
  margin:2em 0 0.8em;
  padding-left:14px;
  border-left:4px solid #2563EB;
  color:#0F172A;
  line-height:1.4;
}
.article-content h3{
  font-size:1.25rem;font-weight:700;
  margin:1.6em 0 0.6em;
  color:#0F172A;
}
.article-content h4{
  font-size:1.1rem;font-weight:700;
  margin:1.4em 0 0.5em;
  color:#0F172A;
}
.article-content a{
  color:#2563EB;text-decoration:none;
  border-bottom:1px solid rgba(37,99,235,0.25);
  transition:border-color .25s;
}
.article-content a:hover{border-bottom-color:#2563EB}
.article-content blockquote{
  background:#F1F5F9;
  border-left:4px solid #E7B75A;
  padding:16px 20px;
  border-radius:0 10px 10px 0;
  margin:1.5em 0;
  color:#475569;
  font-size:1rem;
}
.article-content blockquote p{margin-bottom:0.5em}
.article-content ul,.article-content ol{
  margin:1em 0 1.5em 1.4em;
  padding-left:0.5em;
}
.article-content li{
  margin-bottom:0.6em;
  line-height:1.75;
  color:#334155;
  position:relative;
}
.article-content ul li{
  padding-left:6px;
}
.article-content ul li::before{
  content:'';position:absolute;
  left:-1em;top:0.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
}
.article-content ol li{
  padding-left:4px;
}
.article-content ol{
  counter-reset:list-counter;
}
.article-content ol li{
  counter-increment:list-counter;
}
.article-content ol li::marker{
  color:#2563EB;
  font-weight:700;
}
.article-content img{
  width:100%;
  border-radius:12px;
  margin:1.6em 0;
  box-shadow:0 8px 30px rgba(0,0,0,0.12);
}
.article-content figcaption,
.article-content .wp-caption-text{
  font-size:0.875rem;
  color:#64748B;
  text-align:center;
  margin-top:-1em;
  margin-bottom:1.5em;
}
.article-content table{
  width:100%;
  margin:1.5em 0;
  border-collapse:collapse;
  font-size:0.9375rem;
  overflow:hidden;
  border-radius:10px;
}
.article-content table th,
.article-content table td{
  padding:12px 14px;
  border:1px solid #E2E8F0;
  text-align:left;
}
.article-content table th{
  background:#F1F5F9;
  font-weight:600;
  color:#0F172A;
}
.article-content table td{color:#334155}
.article-content hr{
  border:none;height:1px;
  background:linear-gradient(90deg,transparent,#CBD5E1,transparent);
  margin:2.5em auto;
  max-width:80%;
}
.article-content code{
  background:#F1F5F9;
  border:1px solid #E2E8F0;
  border-radius:6px;
  padding:2px 8px;
  font-size:0.875em;
  color:#475569;
  font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
.article-content pre{
  background:#0F172A;
  border-radius:12px;
  padding:20px;
  margin:1.5em 0;
  overflow-x:auto;
  color:#E2E8F0;
  font-size:0.9rem;
  line-height:1.7;
}
.article-content pre code{
  background:transparent;
  border:none;
  padding:0;
  color:inherit;
}

/* ===== Article Pagination ===== */
.article-pagination{
  max-width:800px;margin:32px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
@media(max-width:640px){
  .article-pagination{grid-template-columns:1fr}
}
.pagination-link{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);
  border-radius:14px;
  transition:all .3s;
  position:relative;
  overflow:hidden;
}
.pagination-link:hover{
  background:rgba(255,255,255,0.08);
  border-color:var(--glass-border-hover);
  transform:translateY(-2px);
}
.pagination-link.pull-right{text-align:right}
.pagination-link .dir{
  font-size:0.8125rem;
  color:var(--text-weak);
  display:flex;align-items:center;gap:4px;
}
.pagination-link.pull-right .dir{flex-direction:row-reverse}
.pagination-link .title{
  font-size:0.9375rem;
  color:var(--text-primary);
  font-weight:500;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pagination-link:hover .title{color:#fff}

/* ===== Related Posts ===== */
.related-posts{
  padding:80px 0 30px;
  position:relative;
}
.section-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:36px;flex-wrap:wrap;gap:16px;
}
.section-header h2{
  font-size:2rem;font-weight:700;
  color:var(--text-primary);
  letter-spacing:-0.02em;
  display:flex;align-items:center;gap:14px;
}
.section-header h2::before{
  content:'';width:4px;height:26px;border-radius:2px;
  background:linear-gradient(180deg,#2563EB,#22D3EE);
  box-shadow:0 0 16px rgba(37,99,235,0.4);
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
@media(max-width:992px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .related-grid{grid-template-columns:1fr}
}
.related-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .3s;
  box-shadow:var(--shadow-card);
  position:relative;
}
.related-card:hover{
  background:var(--glass-bg-hover);
  border-color:var(--glass-border-hover);
  transform:translateY(-4px);
  box-shadow:0 30px 70px rgba(0,0,0,0.5);
}
.related-card-image{
  position:relative;height:180px;overflow:hidden;
}
.related-card-image img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s;
}
.related-card:hover .related-card-image img{transform:scale(1.05)}
.related-card-image::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,15,30,0.4));
}
.card-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(10,15,30,0.6);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.18);
  color:#fff;font-size:0.75rem;
  padding:4px 12px;border-radius:999px;
  font-weight:500;
}
.related-card-content{padding:20px 22px 22px}
.related-card-content h3{
  font-size:1.0625rem;font-weight:600;
  color:var(--text-primary);
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .25s;
}
.related-card-content h3:hover{color:var(--accent)}
.related-card-content p{
  font-size:0.875rem;
  color:var(--text-secondary);
  line-height:1.6;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:0.8125rem;color:var(--text-weak);
  padding-top:14px;border-top:1px solid rgba(255,255,255,0.06);
}
.related-card-meta a{
  color:var(--accent);font-weight:500;
  transition:all .25s;
}
.related-card-meta a:hover{letter-spacing:0.02em;color:#fff}
.back-link{
  text-align:center;margin-top:48px;
}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:var(--radius-md);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--glass-border);
  color:var(--text-primary);font-size:0.9375rem;font-weight:500;
  transition:all .3s;
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.1);
  border-color:var(--glass-border-hover);
  color:#fff;
  transform:translateY(-2px);
}
.btn-secondary:focus-visible{
  outline:2px solid rgba(34,211,238,0.6);outline-offset:3px;
}
.btn-secondary:active{transform:translateY(0)}

/* ===== CTA Section ===== */
.cta-section{
  position:relative;
  margin-top:80px;
  padding:88px 0;
  background:
    linear-gradient(135deg,rgba(10,15,30,0.92),rgba(10,15,30,0.7)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.cta-section::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(ellipse at 80% 10%,rgba(37,99,235,0.15),transparent 60%),
    radial-gradient(ellipse at 20% 90%,rgba(34,211,238,0.08),transparent 50%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  text-align:center;max-width:680px;margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(1.625rem,3vw,2.25rem);
  font-weight:800;
  color:#fff;letter-spacing:-0.02em;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:1rem;color:var(--text-secondary);
  margin-bottom:32px;line-height:1.7;
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 36px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,#2563EB,#1D4ED8);
  color:#fff;font-size:1rem;font-weight:600;
  box-shadow:var(--shadow-btn);
  transition:all .3s;
  border:none;cursor:pointer;
}
.btn-primary:hover{
  box-shadow:0 14px 44px rgba(37,99,235,0.6);
  transform:translateY(-2px);
  color:#fff;
}
.btn-primary:focus-visible{
  outline:2px solid rgba(34,211,238,0.7);outline-offset:3px;
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 6px 20px rgba(37,99,235,0.35);
}

/* ===== Not Found ===== */
.article-not-found{
  text-align:center;padding:48px 32px;
}
.article-not-found .nf-icon{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,rgba(37,99,235,0.2),rgba(34,211,238,0.2));
  margin:0 auto 24px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);
  border:1px solid rgba(37,99,235,0.3);
}
.article-not-found h3{
  font-size:1.5rem;font-weight:700;
  color:#0F172A;margin-bottom:12px;
}
.article-not-found p{
  color:#64748B;margin-bottom:28px;
}
.article-not-found .btn-primary{
  display:inline-flex;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deeper);
  border-top:1px solid rgba(255,255,255,0.06);
  padding:72px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,0.3),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 0.8fr 0.8fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
@media(max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
.footer-brand .logo{margin-bottom:16px;display:inline-flex}
.footer-brand p{
  font-size:0.9375rem;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:20px;
  max-width:320px;
}
.social-row{
  display:flex;gap:12px;
}
.social-row a{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  color:var(--text-secondary);
  transition:all .3s;
}
.social-row a:hover{
  background:rgba(37,99,235,0.15);
  border-color:rgba(56,189,248,0.35);
  color:#fff;
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:0.9375rem;font-weight:600;
  color:var(--text-primary);
  margin-bottom:20px;
  letter-spacing:0.02em;
}
.footer-col ul{
  list-style:none;display:flex;flex-direction:column;gap:12px;
}
.footer-col ul a{
  font-size:0.875rem;color:var(--text-secondary);
  transition:all .25s;
  display:inline-flex;align-items:center;gap:6px;
}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-contact{
  display:flex;flex-direction:column;gap:14px;
  font-size:0.875rem;color:var(--text-secondary);
}
.footer-contact span{
  display:flex;align-items:center;gap:10px;
}
.footer-contact svg{color:var(--accent);flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  font-size:0.8125rem;
  color:var(--text-weak);
}
@media(max-width:480px){
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:#070B14}
::-webkit-scrollbar-thumb{
  background:rgba(37,99,235,0.5);
  border-radius:4px;
}
::-webkit-scrollbar-thumb:hover{background:rgba(37,99,235,0.7)}

/* ===== Responsive Header ===== */
@media(max-width:992px){
  .main-nav{display:none}
  .btn-nav-cta{display:none}
  .nav-toggle{display:flex}
}
@media(min-width:993px){
  .mobile-drawer,.drawer-overlay{display:none!important}
}

/* ===== Reduced Motion ===== */
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* ===== Utilities ===== */
.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  inset:0 auto auto 0;
  transition:all .3s;
}
.glass-card:hover{
  background:var(--glass-bg-hover);
  border-color:var(--glass-border-hover);
  transform:translateY(-3px);
}
.text-gradient{
  background:linear-gradient(135deg,#60A5FA,#22D3EE);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* roulang page: category1 */
:root {
            --bg-surface: #0A0F1E;
            --bg-deep: #070B14;
            --brand: #2563EB;
            --brand-hover: #3B82F6;
            --cyan: #22D3EE;
            --gold: #E7B75A;
            --text-main: #E7EDF6;
            --text-sub: #8B9BB4;
            --text-faint: #5F6F89;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-bg-hover: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(56, 189, 248, 0.35);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-tag: 999px;
            --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.35);
            --transition: 0.3s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background-color: var(--bg-surface);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.no-scroll {
            overflow: hidden;
        }

        img {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container-x {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 768px) {
            .container-x {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            z-index: 1000;
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            background: transparent;
            transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 15, 30, 0.75);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 72px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563EB, #22D3EE);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
            font-family: var(--font-sans);
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--gold);
            font-weight: 600;
        }

        .nav-menu {
            display: none;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            color: var(--text-sub);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a.active {
            color: var(--text-main);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(37, 99, 235, 0.6);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.04);
            transition: background 0.3s ease;
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (min-width: 769px) {
            .nav-menu {
                display: flex;
            }
            .hamburger {
                display: none;
            }
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            z-index: 999;
            background: rgba(10, 15, 30, 0.92);
            -webkit-backdrop-filter: blur(24px);
            backdrop-filter: blur(24px);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            padding: 96px 28px 32px;
            transition: right 0.4s ease;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer ul li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer ul a {
            display: block;
            padding: 14px 0;
            color: var(--text-sub);
            font-size: 1.05rem;
            font-weight: 500;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .mobile-drawer ul a:hover,
        .mobile-drawer ul a.active {
            color: var(--text-main);
            padding-left: 8px;
        }

        .mobile-drawer .btn {
            margin-top: 24px;
            width: 100%;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 10px 36px rgba(37, 99, 235, 0.45);
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 42px rgba(37, 99, 235, 0.55);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--glass-border-hover);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid rgba(56, 189, 248, 0.6);
            outline-offset: 3px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.875rem;
            border-radius: 10px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 164px 0 96px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-surface);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 11, 20, 0.92) 0%, rgba(10, 15, 30, 0.75) 55%, rgba(10, 15, 30, 0.45) 100%);
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 44px 44px;
            z-index: 0;
            pointer-events: none;
        }

        .page-hero-glow {
            position: absolute;
            top: -80px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.1), transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 40px;
            justify-content: space-between;
            align-items: flex-start;
        }

        @media (min-width: 992px) {
            .page-hero-inner {
                flex-direction: row;
                align-items: flex-end;
                gap: 48px;
            }
        }

        .page-hero-content {
            max-width: 600px;
        }

        .eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--cyan);
            margin-bottom: 20px;
            text-transform: uppercase;
            border: 1px solid rgba(34, 211, 238, 0.25);
            background: rgba(34, 211, 238, 0.06);
            padding: 6px 14px;
            border-radius: 999px;
        }

        .page-hero h1 {
            font-size: clamp(2.25rem, 4vw, 3.25rem);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.12;
            margin: 0 0 20px;
            letter-spacing: -0.02em;
        }

        .page-hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-sub);
            margin: 0;
            max-width: 520px;
        }

        .page-hero-anchors {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex-shrink: 0;
        }

        .page-hero-anchors a {
            padding: 10px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-main);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
        }

        .page-hero-anchors a:hover {
            background: rgba(37, 99, 235, 0.25);
            border-color: rgba(56, 189, 248, 0.35);
            transform: translateY(-2px);
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: 88px 0;
            position: relative;
        }

        .section-block.alt {
            background: linear-gradient(180deg, rgba(7, 11, 20, 0.4), transparent);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: var(--cyan);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 1.05rem;
            line-height: 1.75;
            margin: 0;
        }

        /* ===== Solution Cards ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            align-items: start;
        }

        @media (min-width: 768px) {
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .solution-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            backdrop-filter: blur(14px) saturate(140%);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 1px;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.14), transparent);
            z-index: 1;
        }

        .solution-card:nth-child(even) {
            margin-top: 0;
        }

        @media (min-width: 768px) {
            .solution-card:nth-child(even) {
                margin-top: 32px;
            }
        }

        .solution-card:hover {
            background: var(--glass-bg-hover);
            border-color: var(--glass-border-hover);
            box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5);
            transform: translateY(-4px);
        }

        .solution-card-media {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

        .solution-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .solution-card:hover .solution-card-media img {
            transform: scale(1.04);
        }

        .solution-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 30, 0.85) 100%);
        }

        .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(10, 15, 30, 0.7);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .solution-card-body {
            padding: 24px 24px 28px;
        }

        .solution-card-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 0 0 10px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .solution-card-body>p {
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0 0 20px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 22px;
        }

        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.1);
            border: 1px solid rgba(37, 99, 235, 0.25);
            color: #93c5fd;
            font-size: 0.78rem;
            font-weight: 500;
            line-height: 1.4;
        }

        .tag.gold {
            background: rgba(231, 183, 90, 0.08);
            border-color: rgba(231, 183, 90, 0.3);
            color: var(--gold);
        }

        .card-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            font-size: 0.85rem;
            color: var(--text-faint);
            line-height: 1.6;
        }

        .card-data-row b {
            color: var(--text-main);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
            margin-left: 4px;
        }

        .card-data-row b.gold {
            color: var(--gold);
        }

        /* ===== Scenes ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .scene-grid {
                grid-template-columns: 1fr 1.1fr;
                gap: 72px;
            }
        }

        .scene-copy .section-tag {
            margin-bottom: 16px;
        }

        .scene-copy h2 {
            font-size: clamp(1.75rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.25;
            margin: 0 0 20px;
        }

        .scene-copy p {
            color: var(--text-sub);
            font-size: 1.05rem;
            line-height: 1.8;
            margin: 0 0 28px;
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 8px 28px;
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            backdrop-filter: blur(14px) saturate(140%);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .scene-list::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 20px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 12px rgba(34, 211, 238, 0.6);
        }

        .scene-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-sub);
            font-size: 0.98rem;
            line-height: 1.65;
        }

        .scene-item:last-child {
            border-bottom: none;
        }

        .scene-item .dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand);
            margin-top: 9px;
            box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
        }

        /* ===== Process ===== */
        .process-wrap {
            background: linear-gradient(180deg, rgba(7, 11, 20, 0.35), transparent);
            border-radius: 24px;
            padding: 48px 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .process-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 240px;
            height: 1px;
            background: radial-gradient(ellipse, rgba(34, 211, 238, 0.5), transparent 70%);
        }

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
            align-items: stretch;
        }

        @media (min-width: 768px) {
            .process-steps {
                flex-direction: row;
                align-items: flex-start;
                gap: 0;
            }
        }

        .step {
            flex: 1;
            padding: 24px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            position: relative;
            transition: all 0.3s ease;
        }

        .step:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            transform: translateY(-4px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(34, 211, 238, 0.1));
            border: 1px solid rgba(56, 189, 248, 0.28);
            color: var(--cyan);
            font-weight: 700;
            font-size: 0.95rem;
            font-variant-numeric: tabular-nums;
            margin-bottom: 14px;
        }

        .step h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .step p {
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
        }

        .step-line {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--cyan));
            margin-top: 52px;
            position: relative;
            opacity: 0.6;
        }

        .step-line::after {
            content: '';
            position: absolute;
            right: -2px;
            top: -2px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
        }

        @media (min-width: 768px) {
            .step-line {
                display: block;
            }
        }

        @media (max-width: 767px) {
            .process-steps {
                gap: 12px;
            }
            .step-line {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .container-small {
            max-width: 860px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            backdrop-filter: blur(14px) saturate(140%);
        }

        .faq-item.active {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 24px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            transition: color 0.3s ease;
        }

        .faq-item.active .faq-question {
            color: var(--cyan);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--text-sub);
            transition: all 0.3s ease;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--cyan);
            border-color: rgba(56, 189, 248, 0.35);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
            opacity: 0;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding-bottom: 22px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-block {
            position: relative;
            padding: 96px 0;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-deep);
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.55), rgba(7, 11, 20, 0.88));
            z-index: 0;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
        }

        .cta-inner h2 {
            font-size: clamp(1.9rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            color: var(--text-sub);
            font-size: 1.05rem;
            line-height: 1.8;
            margin: 0 0 32px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 1px;
            background: radial-gradient(ellipse, rgba(34, 211, 238, 0.3), transparent 70%);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 64px 0 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-faint);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0 0 20px;
            max-width: 280px;
        }

        .social-row {
            display: flex;
            gap: 10px;
        }

        .social-row a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-sub);
            transition: all 0.3s ease;
        }

        .social-row a:hover {
            background: rgba(37, 99, 235, 0.2);
            border-color: rgba(56, 189, 248, 0.35);
            color: var(--text-main);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 18px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: var(--text-faint);
            font-size: 0.88rem;
            transition: all 0.3s ease;
        }

        .footer-col ul a:hover {
            color: var(--text-main);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-faint);
            font-size: 0.88rem;
            line-height: 1.5;
        }

        .footer-contact svg {
            flex-shrink: 0;
            color: var(--cyan);
            opacity: 0.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom p {
            margin: 0;
            color: var(--text-faint);
            font-size: 0.8rem;
            font-variant-numeric: tabular-nums;
        }

        /* ===== Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            html {
                scroll-behavior: auto;
            }
            .solution-card,
            .step,
            .cta-inner .btn {
                transition: none !important;
            }
        }