/* roulang page: index */
:root {
  --bg-obsidian: #0d0d0f;
  --bg-charcoal: #16161a;
  --bg-elevated: #1e1e24;
  --bg-glass: rgba(22, 22, 26, 0.72);
  --accent-bronze: #C5A059;
  --accent-amber: #FFBF00;
  --accent-muted-gold: #D4AC0D;
  --text-warm: #F5F5F7;
  --text-muted: #a8a8b0;
  --text-gold: #e6c87a;
  --border-subtle: rgba(197, 160, 89, 0.18);
  --border-active: rgba(197, 160, 89, 0.55);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(255, 191, 0, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --transition: all 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-obsidian);
  color: var(--text-warm);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; cursor: pointer; transition: var(--transition); }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; transition: var(--transition); }
button { cursor: pointer; border: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid var(--accent-amber); outline-offset: 3px; border-radius: 4px; }

/* ===== Container ===== */
.lc-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Navbar ===== */
.lc-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}
.lc-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; flex-wrap: wrap; }
.lc-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; line-height: 1.3; color: var(--accent-bronze); letter-spacing: 0.02em; max-width: 260px; }
.lc-logo i { font-size: 1.4rem; color: var(--accent-amber); }
.lc-nav-links { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.lc-nav-link {
  padding: 8px 14px; border-radius: 30px; font-size: 0.88rem; font-weight: 500; color: var(--text-muted);
  transition: var(--transition); position: relative; letter-spacing: 0.01em;
}
.lc-nav-link:hover { color: var(--text-warm); background: rgba(197, 160, 89, 0.08); }
.lc-nav-link.lc-active { color: var(--accent-amber); background: rgba(197, 160, 89, 0.12); border: 1px solid var(--border-active); }
.lc-nav-actions { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.lc-btn-outline {
  padding: 9px 18px; border-radius: 30px; font-size: 0.85rem; font-weight: 600; color: var(--accent-bronze);
  background: transparent; border: 1.5px solid var(--border-active); transition: var(--transition); white-space: nowrap;
}
.lc-btn-outline:hover { background: rgba(197, 160, 89, 0.1); border-color: var(--accent-amber); color: var(--accent-amber); transform: translateY(-1px); }
.lc-btn-solid {
  padding: 9px 18px; border-radius: 30px; font-size: 0.85rem; font-weight: 700; color: #0d0d0f;
  background: linear-gradient(135deg, var(--accent-bronze), var(--accent-amber)); border: none; transition: var(--transition); white-space: nowrap;
  box-shadow: 0 4px 14px rgba(197, 160, 89, 0.25);
}
.lc-btn-solid:hover { box-shadow: 0 6px 20px rgba(255, 191, 0, 0.45); transform: translateY(-1px); }
.lc-btn-solid:active { transform: scale(0.96); }

/* Mobile nav */
.lc-mobile-toggle { display: none; background: transparent; border: 1.5px solid var(--border-subtle); border-radius: 8px; color: var(--text-warm); font-size: 1.5rem; padding: 4px 12px; line-height: 1; }
.lc-mobile-menu { display: none; flex-direction: column; gap: 0.4rem; padding: 1rem 0 1.2rem; border-top: 1px solid var(--border-subtle); }

/* ===== Hero ===== */
.lc-hero {
  padding: 140px 0 70px; position: relative; min-height: 88vh;
  display: flex; align-items: center;
  background: linear-gradient(160deg, rgba(13,13,15,0.92) 30%, rgba(22,22,26,0.80) 65%, rgba(197,160,89,0.08) 100%);
}
.lc-hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.jpg'); background-size: cover; background-position: center; opacity: 0.14; pointer-events: none; }
.lc-hero-content { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 2.5rem; align-items: center; }
.lc-hero-text { flex: 1 1 500px; }
.lc-hero-text h1 {
  font-size: clamp(1.9rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.25; color: var(--text-warm);
  letter-spacing: -0.02em; margin-bottom: 1.2rem;
}
.lc-hero-text h1 span { color: var(--accent-amber); }
.lc-hero-desc { font-size: 1.05rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.6rem; max-width: 540px; }
.lc-hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.lc-btn-hero-primary {
  padding: 13px 28px; border-radius: 32px; font-size: 0.95rem; font-weight: 700; color: #0d0d0f;
  background: linear-gradient(135deg, var(--accent-bronze), var(--accent-amber));
  box-shadow: 0 6px 20px rgba(255, 191, 0, 0.3); transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.lc-btn-hero-primary:hover { box-shadow: 0 8px 28px rgba(255, 191, 0, 0.5); transform: translateY(-2px); }
.lc-btn-hero-secondary {
  padding: 13px 28px; border-radius: 32px; font-size: 0.95rem; font-weight: 600; color: var(--accent-bronze);
  background: transparent; border: 1.5px solid var(--border-active); transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.lc-btn-hero-secondary:hover { background: rgba(197,160,89,0.12); color: var(--accent-amber); transform: translateY(-2px); }
.lc-hero-stats { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.lc-stat { text-align: left; }
.lc-stat strong { font-size: 1.5rem; font-weight: 800; color: var(--accent-amber); display: block; line-height: 1.2; }
.lc-stat span { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.03em; }
.lc-hero-panel { flex: 1 1 360px; max-width: 460px; }
.lc-glass-card {
  background: var(--bg-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 1.8rem; box-shadow: var(--shadow-card); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.lc-progress-label { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.lc-progress-bar { height: 8px; background: rgba(197,160,89,0.15); border-radius: 20px; overflow: hidden; margin-bottom: 1.2rem; }
.lc-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent-bronze), var(--accent-amber)); border-radius: 20px; width: 78%; transition: width 1.2s ease; }
.lc-reward-item { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid rgba(197,160,89,0.1); font-size: 0.9rem; color: var(--text-warm); }
.lc-reward-item:last-child { border-bottom: none; }
.lc-reward-item i { color: var(--accent-amber); width: 20px; text-align: center; }

/* ===== Sections general ===== */
.lc-section { padding: 64px 0; }
.lc-section-alt { background: var(--bg-charcoal); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.lc-section-head { margin-bottom: 2.2rem; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.lc-section-title { font-size: clamp(1.5rem, 2.5vw, 2.1rem); font-weight: 700; letter-spacing: -0.01em; color: var(--text-warm); line-height: 1.3; }
.lc-section-title span { color: var(--accent-amber); }
.lc-section-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; max-width: 560px; }

/* ===== Feature Cards ===== */
.lc-feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.lc-feature-card {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  padding: 1.5rem; transition: var(--transition); position: relative; overflow: hidden;
}
.lc-feature-card:hover { border-color: var(--border-active); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.lc-feature-card .lc-icon-box {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: rgba(197,160,89,0.1); border: 1px solid var(--border-subtle); margin-bottom: 1rem; font-size: 1.2rem; color: var(--accent-amber);
}
.lc-feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-warm); }
.lc-feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ===== Stats / Data bar ===== */
.lc-data-bar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: stretch; }
.lc-data-item {
  flex: 1 1 180px; background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 1.2rem 1.4rem; text-align: left; transition: var(--transition);
}
.lc-data-item:hover { border-color: var(--border-active); transform: translateY(-2px); }
.lc-data-item strong { font-size: 1.7rem; font-weight: 800; color: var(--accent-amber); display: block; line-height: 1.2; }
.lc-data-item span { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.02em; }

/* ===== News list ===== */
.lc-news-grid { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.lc-news-list { flex: 1 1 480px; }
.lc-news-item { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid rgba(197,160,89,0.1); transition: var(--transition); border-radius: 4px; padding-left: 8px; }
.lc-news-item:hover { background: rgba(197,160,89,0.04); padding-left: 12px; }
.lc-news-item i { color: var(--accent-amber); font-size: 0.9rem; margin-top: 4px; flex-shrink: 0; }
.lc-news-item-content h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-warm); line-height: 1.45; margin-bottom: 4px; }
.lc-news-item-content h4 a:hover { color: var(--accent-amber); }
.lc-news-meta { display: flex; gap: 1rem; font-size: 0.78rem; color: var(--text-muted); }
.lc-news-meta span { display: flex; align-items: center; gap: 4px; }
.lc-news-side { flex: 1 1 280px; }
.lc-side-card { background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 1.3rem; margin-bottom: 1rem; }
.lc-side-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--accent-bronze); margin-bottom: 0.6rem; }
.lc-side-card p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.6; }

/* ===== Topic tags ===== */
.lc-topic-cloud { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.lc-topic-tag {
  padding: 8px 16px; border-radius: 30px; font-size: 0.85rem; font-weight: 500; color: var(--text-muted);
  border: 1px solid var(--border-subtle); transition: var(--transition); background: transparent;
}
.lc-topic-tag:hover { border-color: var(--accent-amber); color: var(--accent-amber); background: rgba(197,160,89,0.06); transform: translateY(-1px); }

/* ===== Media scroll ===== */
.lc-media-scroll { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: 0.8rem; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
.lc-media-scroll::-webkit-scrollbar { height: 6px; }
.lc-media-scroll::-webkit-scrollbar-track { background: var(--bg-charcoal); border-radius: 10px; }
.lc-media-scroll::-webkit-scrollbar-thumb { background: var(--border-active); border-radius: 10px; }
.lc-media-card { flex: 0 0 260px; scroll-snap-align: start; background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.lc-media-card:hover { border-color: var(--border-active); transform: translateY(-3px); }
.lc-media-card img { width: 100%; height: 150px; object-fit: cover; }
.lc-media-body { padding: 1rem; }
.lc-media-body h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-warm); margin-bottom: 4px; }
.lc-media-body p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ===== Steps ===== */
.lc-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.2rem; counter-reset: lc-step; }
.lc-step { position: relative; padding: 1.4rem; background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); counter-increment: lc-step; transition: var(--transition); }
.lc-step:hover { border-color: var(--border-active); transform: translateY(-2px); }
.lc-step::before { content: counter(lc-step); display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-bronze), var(--accent-amber)); color: #0d0d0f; font-weight: 800; font-size: 1rem; margin-bottom: 0.8rem; }
.lc-step h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-warm); margin-bottom: 4px; }
.lc-step p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.6; }

/* ===== CTA / Booking ===== */
.lc-cta-section { background: linear-gradient(150deg, rgba(197,160,89,0.08), rgba(22,22,26,0.9)); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); padding: 70px 0; }
.lc-cta-card { background: var(--bg-elevated); border: 1px solid var(--border-active); border-radius: var(--radius-lg); padding: 2rem; display: flex; flex-wrap: wrap; gap: 1.6rem; align-items: center; justify-content: space-between; box-shadow: var(--shadow-glow); }
.lc-cta-text { flex: 1 1 300px; }
.lc-cta-text h2 { font-size: 1.5rem; font-weight: 700; color: var(--text-warm); margin-bottom: 0.6rem; }
.lc-cta-text p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }
.lc-form-inline { display: flex; flex-wrap: wrap; gap: 0.8rem; flex: 1 1 320px; }
.lc-input {
  flex: 1 1 180px; padding: 12px 18px; border-radius: 30px; border: 1.5px solid var(--border-subtle);
  background: rgba(13,13,15,0.6); color: var(--text-warm); font-size: 0.9rem; transition: var(--transition);
}
.lc-input::placeholder { color: var(--text-muted); }
.lc-input:focus { border-color: var(--accent-amber); box-shadow: 0 0 0 3px rgba(255,191,0,0.12); }

/* ===== FAQ ===== */
.lc-faq-list { max-width: 760px; margin: 0 auto; }
.lc-faq-item { border-bottom: 1px solid rgba(197,160,89,0.12); padding: 0.3rem 0; }
.lc-faq-question { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 0.2rem; font-size: 0.95rem; font-weight: 600; color: var(--text-warm); cursor: pointer; transition: var(--transition); text-align: left; width: 100%; background: transparent; border: none; }
.lc-faq-question:hover { color: var(--accent-amber); }
.lc-faq-question i { color: var(--accent-bronze); font-size: 1.1rem; transition: transform 0.3s; }
.lc-faq-item.lc-open .lc-faq-question i { transform: rotate(180deg); }
.lc-faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; padding: 0 0.2rem; }
.lc-faq-item.lc-open .lc-faq-answer { max-height: 240px; padding: 0 0.2rem 1rem; }

/* ===== Footer ===== */
.lc-footer { background: var(--bg-charcoal); border-top: 1px solid var(--border-subtle); padding: 40px 0 20px; margin-top: auto; }
.lc-footer-grid { display: flex; flex-wrap: wrap; gap: 1.8rem; margin-bottom: 1.8rem; }
.lc-footer-brand { flex: 1 1 280px; }
.lc-footer-brand .lc-logo { margin-bottom: 1rem; }
.lc-footer-brand p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; max-width: 300px; }
.lc-footer-col { flex: 1 1 160px; }
.lc-footer-col h4 { font-size: 0.9rem; font-weight: 700; color: var(--accent-bronze); margin-bottom: 0.8rem; letter-spacing: 0.02em; }
.lc-footer-col ul li { margin-bottom: 0.5rem; }
.lc-footer-col ul li a { font-size: 0.82rem; color: var(--text-muted); transition: var(--transition); }
.lc-footer-col ul li a:hover { color: var(--accent-amber); }
.lc-footer-bottom { padding-top: 1.2rem; border-top: 1px solid rgba(197,160,89,0.1); display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--text-muted); }
.lc-footer-bottom a { color: var(--text-muted); }
.lc-footer-bottom a:hover { color: var(--accent-amber); }
.lc-license-badges { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.lc-license-badge { padding: 5px 12px; border-radius: 20px; background: rgba(197,160,89,0.08); border: 1px solid var(--border-subtle); font-size: 0.73rem; color: var(--text-gold); display: inline-flex; align-items: center; gap: 5px; }

/* ===== FAB ===== */
.lc-fab {
  position: fixed; left: 16px; bottom: 96px; z-index: 90;
  width: 52px; height: 52px; border-radius: 50px; display: flex; align-items: center; justify-content: center;
  background: rgba(13,13,15,0.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 2px solid transparent; background-clip: padding-box; box-shadow: 0 0 15px rgba(197,160,89,0.3);
  transition: var(--transition); cursor: pointer; text-decoration: none;
  background-image: linear-gradient(rgba(13,13,15,0.72), rgba(13,13,15,0.72)), linear-gradient(135deg, var(--accent-bronze), var(--accent-amber));
  background-origin: border-box; background-clip: padding-box, border-box;
  animation: lc-fab-breathe 3s ease-in-out infinite;
}
.lc-fab i { font-size: 1.3rem; color: var(--accent-amber); transition: transform 0.4s; }
.lc-fab:hover { transform: scale(1.12); box-shadow: 0 0 24px rgba(255,191,0,0.55); }
.lc-fab:hover i { transform: rotate(360deg); }
.lc-fab:active { transform: scale(0.92); }
.lc-fab .lc-fab-dot { position: absolute; top: 4px; right: 4px; width: 9px; height: 9px; border-radius: 50%; background: #ff2d55; animation: lc-blink 1.4s infinite; }
@keyframes lc-fab-breathe { 0%, 100% { opacity: 0.6; } 50% { opacity: 0.95; } }
@keyframes lc-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .lc-nav { padding: 0.6rem 0; }
  .lc-hero { min-height: auto; padding: 110px 0 50px; }
  .lc-hero-content { gap: 1.8rem; }
  .lc-hero-panel { max-width: 100%; }
}
@media (max-width: 768px) {
  .lc-nav-links { display: none; }
  .lc-mobile-toggle { display: inline-flex; }
  .lc-mobile-menu { display: flex; }
  .lc-logo { font-size: 0.95rem; max-width: 200px; }
  .lc-section { padding: 46px 0; }
  .lc-cta-section { padding: 50px 0; }
  .lc-cta-card { padding: 1.4rem; }
}
@media (max-width: 520px) {
  .lc-nav { flex-wrap: wrap; }
  .lc-nav-actions { order: 3; width: 100%; justify-content: flex-end; padding-top: 0.3rem; }
  .lc-hero-text h1 { font-size: 1.6rem; }
  .lc-hero-desc { font-size: 0.95rem; }
  .lc-hero-stats { gap: 1rem; }
  .lc-stat strong { font-size: 1.3rem; }
  .lc-section-title { font-size: 1.4rem; }
  .lc-media-card { flex-basis: 220px; }
}

/* roulang page: article */
:root {
            --bg-deep: #0B1120;
            --bg-panel: #0F172A;
            --bg-glass: rgba(15, 23, 42, 0.72);
            --bg-glass-hover: rgba(15, 23, 42, 0.88);
            --blue-tech: #0052FF;
            --blue-bright: #3B82F6;
            --cyan-neon: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glass: rgba(59, 130, 246, 0.28);
            --border-cyan: rgba(0, 240, 255, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 82, 255, 0.35), 0 0 40px rgba(0, 240, 255, 0.15);
            --shadow-glow-sm: 0 0 12px rgba(0, 240, 255, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--cyan-neon);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--blue-bright);
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        ::selection {
            background: rgba(0, 240, 255, 0.28);
            color: #fff;
        }

        /* ===== Container ===== */
        .lc-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== Header / Nav ===== */
        .lc-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 17, 32, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
        }

        .lc-nav {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            min-height: 74px;
        }

        .lc-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 0.92rem;
            color: #fff;
            max-width: 340px;
            line-height: 1.3;
            flex-shrink: 0;
        }

        .lc-logo i {
            color: var(--cyan-neon);
            font-size: 1.3rem;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
        }

        .lc-logo span {
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .lc-nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            margin-left: auto;
        }

        .lc-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1rem;
            border-radius: 0.75rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .lc-nav-link:hover {
            color: #fff;
            background: rgba(59, 130, 246, 0.12);
            border-color: var(--border-glass);
        }

        .lc-nav-link.lc-active {
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--border-cyan);
        }

        .lc-nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .lc-btn-outline {
            padding: 0.6rem 1.15rem;
            border-radius: 0.8rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-glass);
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .lc-btn-outline:hover {
            color: #fff;
            border-color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.06);
            box-shadow: var(--shadow-glow-sm);
        }

        .lc-btn-solid {
            padding: 0.6rem 1.15rem;
            border-radius: 0.8rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #0052FF, #00B4D8);
            border: 1px solid rgba(0, 240, 255, 0.45);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
            transition: all 0.25s ease;
        }

        .lc-btn-solid:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5), 0 0 48px rgba(0, 82, 255, 0.4);
        }

        .lc-mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: #fff;
            font-size: 1.2rem;
            padding: 0.5rem 0.7rem;
            border-radius: 0.6rem;
            transition: all 0.2s ease;
        }

        .lc-mobile-toggle:hover {
            border-color: var(--cyan-neon);
            color: var(--cyan-neon);
        }

        .lc-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.3rem;
            padding: 1rem 0.5rem;
            border-top: 1px solid var(--border-glass);
        }

        .lc-mobile-menu .lc-nav-link {
            width: 100%;
            padding: 0.8rem 0.9rem;
            font-size: 0.95rem;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding-top: 130px;
            padding-bottom: 2.5rem;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(0, 82, 255, 0.18), transparent 48%),
                radial-gradient(ellipse at 80% 0%, rgba(0, 240, 255, 0.10), transparent 45%),
                var(--bg-deep);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            padding: 0.55rem 1rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 2rem;
            display: inline-flex;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--cyan-neon);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: var(--cyan-neon);
            font-weight: 600;
        }

        .article-hero-title {
            font-size: clamp(1.65rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin: 0 0 1rem 0;
            color: #fff;
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.18);
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.15rem;
            margin-top: 1rem;
            padding: 0.9rem 1.25rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            width: fit-content;
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.82rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .article-meta-item i {
            color: var(--cyan-neon);
            font-size: 0.85rem;
        }

        .article-meta-tag {
            padding: 0.3rem 0.85rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(0, 240, 255, 0.1);
            color: var(--cyan-neon);
            border: 1px solid var(--border-cyan);
            letter-spacing: 0.02em;
        }

        /* ===== Article Layout ===== */
        .article-layout {
            padding: 2rem 0 3.5rem;
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: 2.5rem;
        }

        .article-main {
            min-width: 0;
        }

        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.18);
            margin-bottom: 2rem;
            position: relative;
        }

        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 17, 32, 0.35));
            pointer-events: none;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/7;
            object-fit: cover;
        }

        /* ===== Article Body ===== */
        .article-body {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 820px;
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            margin: 2.5rem 0 1rem;
            line-height: 1.35;
            letter-spacing: -0.01em;
            padding-left: 0.9rem;
            border-left: 4px solid var(--cyan-neon);
        }

        .article-body h3 {
            font-size: 1.22rem;
            font-weight: 700;
            color: #fff;
            margin: 2rem 0 0.85rem;
            line-height: 1.4;
        }

        .article-body p {
            margin: 0 0 1.1rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.3rem 1.6rem;
            padding: 0;
        }

        .article-body li {
            margin: 0.45rem 0;
            padding-left: 0.3rem;
        }

        .article-body li::marker {
            color: var(--cyan-neon);
        }

        .article-body blockquote {
            margin: 1.8rem 0;
            padding: 1.2rem 1.5rem;
            background: var(--bg-glass);
            border-left: 3px solid var(--cyan-neon);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: var(--text-primary);
            font-style: italic;
            font-size: 0.95rem;
        }

        .article-body a {
            color: var(--cyan-neon);
            border-bottom: 1px solid rgba(0, 240, 255, 0.3);
            transition: all 0.2s ease;
        }

        .article-body a:hover {
            border-bottom-color: var(--cyan-neon);
            color: #fff;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }

        .article-body strong {
            color: #fff;
            font-weight: 700;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }

        .article-body th,
        .article-body td {
            padding: 0.75rem 1rem;
            text-align: left;
            border: 1px solid var(--border-glass);
        }

        .article-body th {
            background: rgba(0, 82, 255, 0.12);
            color: #fff;
            font-weight: 700;
        }

        /* ===== Article Callout ===== */
        .article-callout {
            margin: 2.8rem 0;
            padding: 1.8rem 2rem;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12), rgba(0, 240, 255, 0.06));
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
            justify-content: space-between;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
        }

        .article-callout-text h3 {
            margin: 0 0 0.5rem;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
        }

        .article-callout-text p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .article-callout .lc-btn-solid {
            font-size: 0.9rem;
            padding: 0.8rem 1.6rem;
            border-radius: 2rem;
        }

        /* ===== Not Found ===== */
        .not-found-block {
            padding: 3rem 2rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            text-align: left;
            backdrop-filter: blur(12px);
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 0 1rem;
            color: #fff;
        }

        .not-found-block p {
            color: var(--text-secondary);
            margin: 0 0 1.5rem;
        }

        .not-found-block a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            background: linear-gradient(135deg, #0052FF, #00B4D8);
            border-radius: 2rem;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-glow);
            transition: all 0.25s ease;
        }

        .not-found-block a:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.45);
            color: #fff;
        }

        /* ===== Related Topics ===== */
        .related-topics {
            padding: 3rem 0;
            background: rgba(11, 17, 32, 0.5);
            border-top: 1px solid rgba(59, 130, 246, 0.16);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 1.8rem;
        }

        .related-card {
            display: block;
            padding: 1.6rem 1.8rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.3s ease;
            text-decoration: none;
            color: inherit;
        }

        .related-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-glow-sm);
            transform: translateY(-3px);
            background: var(--bg-glass-hover);
        }

        .related-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 0.9rem;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-cyan);
            margin-bottom: 1rem;
            color: var(--cyan-neon);
            font-size: 1.15rem;
        }

        .related-card h3 {
            margin: 0 0 0.6rem;
            font-size: 1.12rem;
            font-weight: 800;
            color: #fff;
        }

        .related-card p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .related-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            margin-top: 0.9rem;
            font-size: 0.84rem;
            font-weight: 700;
            color: var(--cyan-neon);
        }

        .related-card:hover .related-card-link {
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 3.5rem 0;
        }

        .faq-list {
            margin-top: 1.8rem;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.15rem 1.35rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            user-select: none;
            transition: color 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--cyan-neon);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            font-size: 0.9rem;
            color: var(--cyan-neon);
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 1.35rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid rgba(59, 130, 246, 0.14);
            padding-top: 1rem;
            margin: 0 1.35rem;
        }

        .faq-answer p {
            margin: 0;
        }

        .faq-answer ul {
            margin: 0.6rem 0 0 1.4rem;
        }

        .faq-answer li {
            margin: 0.35rem 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 3.5rem 0;
            background:
                radial-gradient(ellipse at 30% 30%, rgba(0, 82, 255, 0.22), transparent 55%),
                radial-gradient(ellipse at 70% 70%, rgba(0, 240, 255, 0.12), transparent 50%),
                var(--bg-panel);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .cta-panel {
            max-width: 780px;
            margin: 0 auto;
            padding: 2.8rem 2.5rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-cyan);
            border-radius: 1.8rem;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.12);
            text-align: left;
        }

        .cta-panel h2 {
            margin: 0 0 0.9rem;
            font-size: clamp(1.35rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
        }

        .cta-panel p {
            margin: 0 0 1.7rem;
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
        }

        .cta-actions .lc-btn-solid {
            padding: 0.8rem 1.6rem;
            font-size: 0.92rem;
            border-radius: 2rem;
        }

        .cta-actions .lc-btn-outline {
            padding: 0.8rem 1.6rem;
            font-size: 0.92rem;
            border-radius: 2rem;
        }

        /* ===== Footer ===== */
        .lc-footer {
            background: #080D18;
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 0;
        }

        .lc-footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .lc-footer-brand .lc-logo {
            font-size: 0.95rem;
            max-width: none;
            margin-bottom: 0.9rem;
        }

        .lc-footer-brand p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }

        .lc-footer-col h4 {
            margin: 0 0 1rem;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .lc-footer-col ul {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .lc-footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .lc-footer-col ul li a:hover {
            color: var(--cyan-neon);
            transform: translateX(3px);
        }

        .lc-footer-col ul li a::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.7rem;
            color: var(--cyan-neon);
            opacity: 0.7;
        }

        .lc-license-badges {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            align-items: flex-start;
        }

        .lc-license-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid var(--border-glass);
            white-space: nowrap;
        }

        .lc-license-badge i {
            color: var(--cyan-neon);
            font-size: 0.8rem;
        }

        .lc-footer-bottom {
            border-top: 1px solid rgba(59, 130, 246, 0.14);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .lc-footer-bottom span:last-child {
            display: inline-flex;
            align-items: center;
        }

        /* ===== FAB ===== */
        .lc-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 999px;
            background: rgba(11, 17, 32, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            color: var(--cyan-neon);
            font-size: 1.25rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4), 0 0 36px rgba(0, 82, 255, 0.2);
            opacity: 0.72;
            transition: all 0.3s ease;
            animation: fabBreathe 2.6s ease-in-out infinite;
            position: fixed;
        }

        .lc-fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 999px;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #0052FF, #00B4D8);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .lc-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65), 0 0 48px rgba(0, 82, 255, 0.4);
        }

        .lc-fab:active {
            transform: scale(0.95);
        }

        .lc-fab .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #0B1120;
            animation: fabBlink 1.4s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% {
                opacity: 0.72;
                box-shadow: 0 0 18px rgba(0, 240, 255, 0.4), 0 0 36px rgba(0, 82, 255, 0.2);
            }
            50% {
                opacity: 1;
                box-shadow: 0 0 24px rgba(0, 240, 255, 0.6), 0 0 48px rgba(0, 82, 255, 0.32);
            }
        }

        @keyframes fabBlink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .lc-nav {
                gap: 1rem;
            }

            .lc-logo {
                max-width: 260px;
                font-size: 0.82rem;
            }

            .lc-nav-links {
                gap: 0;
            }

            .lc-nav-link {
                padding: 0.55rem 0.75rem;
                font-size: 0.82rem;
            }

            .lc-footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr;
            }

            .lc-footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .lc-nav {
                min-height: 64px;
                flex-wrap: wrap;
            }

            .lc-logo {
                max-width: 220px;
                font-size: 0.78rem;
            }

            .lc-nav-links {
                display: none;
            }

            .lc-nav-actions {
                display: flex;
            }

            .lc-mobile-toggle {
                display: block;
            }

            .lc-mobile-menu {
                display: flex;
                flex-basis: 100%;
            }

            .article-hero {
                padding-top: 110px;
            }

            .article-hero-title {
                font-size: 1.55rem;
            }

            .article-meta-row {
                gap: 0.75rem;
                padding: 0.7rem 1rem;
                flex-wrap: wrap;
            }

            .article-meta-item {
                font-size: 0.74rem;
            }

            .article-cover img {
                aspect-ratio: 16/9;
            }

            .article-body h2 {
                font-size: 1.32rem;
                padding-left: 0.7rem;
            }

            .article-callout {
                padding: 1.4rem 1.3rem;
                flex-direction: column;
                align-items: flex-start;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .cta-panel {
                padding: 1.8rem 1.3rem;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .lc-btn-solid,
            .cta-actions .lc-btn-outline {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .lc-footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .lc-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
                text-align: left;
            }

            .lc-fab {
                width: 46px;
                height: 46px;
                left: 0.8rem;
                bottom: 5rem;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .lc-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .lc-nav {
                gap: 0.6rem;
            }

            .lc-logo {
                max-width: 170px;
                font-size: 0.72rem;
            }

            .lc-logo i {
                font-size: 1.1rem;
            }

            .lc-nav-actions .lc-btn-outline,
            .lc-nav-actions .lc-btn-solid {
                padding: 0.5rem 0.75rem;
                font-size: 0.72rem;
                border-radius: 0.6rem;
            }

            .article-hero-title {
                font-size: 1.32rem;
            }

            .article-meta-row {
                gap: 0.5rem;
            }

            .article-meta-item {
                font-size: 0.7rem;
            }

            .article-meta-tag {
                font-size: 0.68rem;
            }

            .article-body {
                font-size: 0.94rem;
                line-height: 1.68;
            }

            .article-body h2 {
                font-size: 1.18rem;
            }

            .article-body h3 {
                font-size: 1.05rem;
            }

            .article-callout-text h3 {
                font-size: 1.02rem;
            }

            .faq-item summary {
                padding: 1rem 1.1rem;
                font-size: 0.88rem;
            }

            .faq-item .faq-answer {
                padding: 0.9rem 1.1rem 1.1rem;
                font-size: 0.84rem;
                margin: 0 1.1rem;
            }

            .section-title {
                font-size: 1.35rem !important;
            }
        }

        /* ===== Shared Section Headings ===== */
        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.8rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
            max-width: 640px;
        }

        .section-heading {
            margin-bottom: 0.5rem;
        }

        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.74rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.07);
            border: 1px solid var(--border-cyan);
            margin-bottom: 1rem;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-cyan-soft: rgba(0, 240, 255, 0.14);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8B93A7;
            --border-glow: rgba(0, 240, 255, 0.22);
            --border-subtle: rgba(203, 213, 225, 0.12);
            --gradient-primary: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-hover: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            --shadow-glow: 0 0 22px rgba(0, 240, 255, 0.25);
            --shadow-glow-strong: 0 0 35px rgba(0, 240, 255, 0.38);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-section: clamp(3rem, 6vw, 5rem);
            --font-family: 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.45, 0, 0.55, 1);
            --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            background-image: 
                radial-gradient(ellipse at 15% 20%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #08090F 0%, #0D111E 100%);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input, textarea {
            font-family: inherit;
        }

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

        .lc-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 3vw, 2rem);
        }

        /* Header */
        .lc-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base);
        }

        .lc-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            border-bottom-color: var(--border-glow);
        }

        .lc-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
            min-height: 64px;
            flex-wrap: nowrap;
        }

        .lc-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 0.88rem;
            line-height: 1.3;
            color: var(--text-primary);
            max-width: 320px;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

        .lc-logo i {
            font-size: 1.4rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.5));
        }

        .lc-nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            flex-wrap: wrap;
        }

        .lc-nav-link {
            padding: 0.5rem 0.85rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .lc-nav-link:hover {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.08);
        }

        .lc-nav-link.lc-active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.25);
        }

        .lc-nav-actions {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
        }

        .lc-btn-outline {
            padding: 0.5rem 1rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(203, 213, 225, 0.35);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .lc-btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .lc-btn-solid {
            padding: 0.5rem 1.15rem;
            font-size: 0.82rem;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--gradient-primary);
            border: none;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .lc-btn-solid:hover {
            background: var(--gradient-hover);
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
        }

        .lc-btn-solid:active {
            transform: translateY(1px);
        }

        .lc-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.3rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .lc-mobile-toggle:hover {
            background: rgba(0, 240, 255, 0.08);
        }

        .lc-mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glow);
            padding: 0.75rem 1rem;
            flex-direction: column;
            gap: 0.25rem;
            z-index: 999;
        }

        .lc-mobile-menu.lc-open {
            display: flex;
        }

        .lc-mobile-menu .lc-nav-link {
            display: block;
            padding: 0.7rem 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* Hero */
        .lc-hero {
            padding-top: 120px;
            padding-bottom: var(--spacing-section);
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(160deg, rgba(0, 82, 255, 0.12) 0%, transparent 40%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }

        .lc-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 9, 15, 0.72);
            backdrop-filter: blur(2px);
            z-index: 1;
        }

        .lc-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 2.5rem;
            align-items: center;
        }

        .lc-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 1rem;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 99px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }

        .lc-hero-title {
            font-size: clamp(1.75rem, 4.5vw, 2.9rem);
            font-weight: 800;
            line-height: 1.22;
            margin-bottom: 1.1rem;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #FFFFFF 55%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .lc-hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.75rem;
            max-width: 530px;
        }

        .lc-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-bottom: 1.75rem;
        }

        .lc-badge-item {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.4rem 0.85rem;
            background: rgba(13, 17, 30, 0.85);
            border: 1px solid var(--border-subtle);
            border-radius: 99px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .lc-badge-item i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        .lc-hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }

        .lc-btn-lg {
            padding: 0.8rem 1.75rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            background: var(--gradient-primary);
            color: #FFFFFF;
            border: none;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
        }

        .lc-btn-lg:hover {
            background: var(--gradient-hover);
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-2px);
        }

        .lc-btn-ghost {
            padding: 0.8rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(203, 213, 225, 0.3);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
        }

        .lc-btn-ghost:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .lc-hero-note {
            margin-top: 1.2rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .lc-hero-note i {
            color: var(--accent-cyan);
        }

        .lc-hero-panel {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .lc-panel-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.55rem;
            color: var(--text-primary);
        }

        .lc-panel-title i {
            color: var(--accent-cyan);
        }

        .lc-check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .lc-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .lc-check-list li i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .lc-check-list li strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Sections general */
        .lc-section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .lc-section-alt {
            background: var(--bg-secondary);
        }

        .lc-section-header {
            margin-bottom: 2.5rem;
        }

        .lc-section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.7rem;
        }

        .lc-section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }

        .lc-section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.25rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .lc-section-desc {
            margin-top: 0.9rem;
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
        }

        /* Pain Solution */
        .lc-pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: stretch;
        }

        .lc-pain-box {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .lc-pain-box:hover {
            border-color: var(--border-glow);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35);
        }

        .lc-pain-box-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .lc-pain-box-title i {
            font-size: 1.1rem;
        }

        .lc-pain-box-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .lc-pain-box-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }

        .lc-pain-box-list i {
            font-size: 0.85rem;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }

        /* Regulation cards */
        .lc-reg-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .lc-reg-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-base);
        }

        .lc-reg-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
        }

        .lc-reg-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            margin-bottom: 0.9rem;
        }

        .lc-reg-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .lc-reg-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Process */
        .lc-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .lc-process-step {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            position: relative;
            transition: all var(--transition-base);
        }

        .lc-process-step:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
        }

        .lc-step-num {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.8rem;
        }

        .lc-process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .lc-process-step p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Results */
        .lc-results-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .lc-results-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: 0 10px 34px rgba(0, 0, 0, 0.4);
        }

        .lc-results-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .lc-results-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .lc-results-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .lc-results-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .lc-results-list li i {
            color: var(--accent-cyan);
            font-size: 1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        /* Testimonials */
        .lc-testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .lc-testi-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-base);
        }

        .lc-testi-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
        }

        .lc-testi-stars {
            color: #FFD700;
            font-size: 0.75rem;
            margin-bottom: 0.8rem;
            letter-spacing: 0.1em;
        }

        .lc-testi-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 1rem;
            font-style: italic;
        }

        .lc-testi-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .lc-testi-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .lc-testi-author-info {
            font-size: 0.8rem;
        }

        .lc-testi-author-info strong {
            display: block;
            color: var(--text-primary);
            font-weight: 600;
        }

        .lc-testi-author-info span {
            color: var(--text-muted);
        }

        /* FAQ */
        .lc-faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .lc-faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 0.7rem;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .lc-faq-item:hover {
            border-color: var(--border-glow);
        }

        .lc-faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 0.92rem;
            font-weight: 600;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .lc-faq-question:hover {
            color: var(--accent-cyan);
        }

        .lc-faq-question i {
            font-size: 0.8rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-base);
        }

        .lc-faq-item.lc-open .lc-faq-question i {
            transform: rotate(180deg);
        }

        .lc-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .lc-faq-item.lc-open .lc-faq-answer {
            max-height: 400px;
        }

        .lc-faq-answer-inner {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .lc-cta-section {
            padding: var(--spacing-section) 0 calc(var(--spacing-section) + 2rem);
            position: relative;
            background-image: 
                radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
                linear-gradient(160deg, rgba(0, 82, 255, 0.1) 0%, transparent 50%);
        }

        .lc-cta-box {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: clamp(2rem, 5vw, 3.5rem);
            max-width: 900px;
            margin: 0 auto;
            box-shadow: 0 12px 42px rgba(0, 0, 0, 0.42);
            text-align: center;
        }

        .lc-cta-box h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 0.9rem;
            color: var(--text-primary);
        }

        .lc-cta-box p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.75rem;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .lc-cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            max-width: 620px;
            margin: 0 auto;
            text-align: left;
        }

        .lc-form-field {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .lc-form-field.lc-full {
            grid-column: 1 / -1;
        }

        .lc-form-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .lc-form-input {
            padding: 0.7rem 1rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            background: rgba(8, 9, 15, 0.7);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .lc-form-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            outline: none;
        }

        .lc-form-input::placeholder {
            color: var(--text-muted);
        }

        .lc-form-submit {
            grid-column: 1 / -1;
            padding: 0.85rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            background: var(--gradient-primary);
            color: #FFFFFF;
            border: none;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .lc-form-submit:hover {
            background: var(--gradient-hover);
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
        }

        /* Footer */
        .lc-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
        }

        .lc-footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .lc-footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 0.9rem;
            max-width: 340px;
        }

        .lc-footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .lc-footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .lc-footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .lc-footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .lc-license-badges {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }

        .lc-license-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            padding: 0.45rem 0.75rem;
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
        }

        .lc-license-badge i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        .lc-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.8rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* FAB */
        .lc-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 99px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0.65;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            animation: fabBreathe 2.5s ease-in-out infinite;
        }

        .lc-fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 99px;
            padding: 2px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .lc-fab::after {
            content: '';
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            background: #FF0040;
            border-radius: 50%;
            animation: fabNotify 1.6s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { opacity: 0.65; }
            50% { opacity: 0.9; }
        }

        @keyframes fabNotify {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        .lc-fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.6);
        }

        .lc-fab:active {
            transform: scale(0.94);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .lc-nav-actions {
                gap: 0.4rem;
            }
            .lc-btn-outline, .lc-btn-solid {
                padding: 0.45rem 0.8rem;
                font-size: 0.75rem;
            }
            .lc-logo {
                font-size: 0.78rem;
                max-width: 240px;
            }
            .lc-nav-link {
                font-size: 0.78rem;
                padding: 0.45rem 0.6rem;
            }
            .lc-reg-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .lc-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .lc-nav-actions {
                display: none;
            }
            .lc-mobile-toggle {
                display: block;
            }
            .lc-nav-links {
                display: none;
            }
            .lc-logo {
                max-width: 200px;
                font-size: 0.72rem;
            }
            .lc-hero-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .lc-hero {
                padding-top: 100px;
                min-height: auto;
            }
            .lc-hero-panel {
                padding: 1.25rem;
            }
            .lc-pain-grid {
                grid-template-columns: 1fr;
            }
            .lc-results-grid {
                grid-template-columns: 1fr;
            }
            .lc-testi-grid {
                grid-template-columns: 1fr;
            }
            .lc-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .lc-footer-brand {
                grid-column: 1 / -1;
            }
            .lc-cta-form {
                grid-template-columns: 1fr;
            }
            .lc-cta-box {
                text-align: left;
            }
            .lc-cta-box p {
                margin-left: 0;
                margin-right: 0;
            }
            .lc-cta-box h2 {
                font-size: 1.5rem;
            }
            .lc-reg-grid {
                grid-template-columns: 1fr;
            }
            .lc-process-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .lc-logo {
                font-size: 0.65rem;
                max-width: 160px;
                gap: 0.4rem;
            }
            .lc-logo i {
                font-size: 1rem;
            }
            .lc-hero-badges {
                gap: 0.4rem;
            }
            .lc-badge-item {
                font-size: 0.7rem;
                padding: 0.3rem 0.65rem;
            }
            .lc-hero-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .lc-btn-lg, .lc-btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .lc-footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .lc-footer-brand {
                grid-column: auto;
            }
            .lc-fab {
                width: 46px;
                height: 46px;
                font-size: 1rem;
                left: 0.75rem;
                bottom: 5.5rem;
            }
            .lc-hero-title {
                font-size: 1.5rem;
            }
            .lc-section-title {
                font-size: 1.35rem;
            }
        }

/* roulang page: category2 */
/* ============================================
           DESIGN SYSTEM VARIABLES
           ============================================ */
        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-card-hover: rgba(13, 17, 30, 0.88);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #F0E68C;
            --accent-gold-warm: #D4AC0D;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8B96A8;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-medium: rgba(255, 255, 255, 0.14);
            --border-glow: rgba(0, 240, 255, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-glow: 0 0 24px rgba(0, 240, 255, 0.18);
            --shadow-glass: 0 8px 30px rgba(0, 0, 0, 0.45);
            --shadow-cta: 0 0 36px rgba(0, 82, 255, 0.35);
            --font-sans: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============================================
           RESET & BASE
           ============================================ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        ul, ol {
            list-style: none;
        }
        input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        :focus-visible {
            outline: 3px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============================================
           LAYOUT CONTAINER
           ============================================ */
        .lc-container {
            width: 100%;
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============================================
           HEADER & NAVIGATION
           ============================================ */
        .lc-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .lc-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 18px 0;
            flex-wrap: nowrap;
        }
        .lc-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.02rem;
            max-width: 420px;
            line-height: 1.35;
            color: var(--text-primary);
            flex-shrink: 1;
            transition: var(--transition);
        }
        .lc-logo i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
            flex-shrink: 0;
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.55);
        }
        .lc-logo span {
            white-space: normal;
            word-break: break-word;
        }
        .lc-logo:hover {
            color: var(--accent-cyan);
        }
        .lc-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .lc-nav-link {
            padding: 9px 16px;
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-secondary);
            border-radius: 30px;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .lc-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-light);
        }
        .lc-nav-link.lc-active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.10);
            border-color: rgba(0, 240, 255, 0.25);
            font-weight: 700;
        }
        .lc-nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .lc-btn-outline {
            padding: 10px 20px;
            font-weight: 600;
            font-size: 0.86rem;
            color: var(--text-primary);
            background: transparent;
            border: 1.5px solid var(--border-medium);
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .lc-btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            transform: translateY(-1px);
        }
        .lc-btn-solid {
            padding: 10px 22px;
            font-weight: 700;
            font-size: 0.86rem;
            color: #08090F;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.25);
        }
        .lc-btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.45);
        }
        .lc-btn-solid:active {
            transform: translateY(2px);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.18);
        }
        .lc-mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .lc-mobile-toggle:hover {
            color: var(--accent-cyan);
        }
        .lc-mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.97);
            backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--border-light);
            padding: 18px 28px 24px;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }
        .lc-mobile-menu.open {
            display: flex;
        }
        .lc-mobile-menu .lc-nav-link {
            display: block;
            padding: 14px 18px;
            font-size: 1rem;
            border-radius: 10px;
        }

        /* ============================================
           BREADCRUMB
           ============================================ */
        .lc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .lc-breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .lc-breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .lc-breadcrumb i {
            font-size: 0.6rem;
            color: var(--text-muted);
        }
        .lc-breadcrumb span {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* ============================================
           HERO SECTION
           ============================================ */
        .lc-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            position: relative;
            background: radial-gradient(ellipse at 80% 10%, rgba(0,82,255,0.08) 0%, transparent 50%),
                        radial-gradient(ellipse at 10% 90%, rgba(0,240,255,0.06) 0%, transparent 50%),
                        var(--bg-primary);
        }
        .lc-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
            z-index: 0;
        }
        .lc-hero-content {
            display: flex;
            align-items: center;
            gap: 60px;
            position: relative;
            z-index: 1;
        }
        .lc-hero-text {
            flex: 1.2;
            min-width: 0;
        }
        .lc-hero-visual {
            flex: 0.8;
            min-width: 0;
            display: flex;
            justify-content: flex-end;
        }
        .lc-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 18px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.28);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-bottom: 24px;
        }
        .lc-hero-badge i {
            font-size: 0.9rem;
        }
        .lc-hero h1 {
            font-size: 2.7rem;
            font-weight: 900;
            line-height: 1.22;
            margin-bottom: 22px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .lc-hero h1 .lc-highlight {
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .lc-hero-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 580px;
        }
        .lc-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .lc-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-weight: 700;
            font-size: 0.95rem;
            color: #08090F;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            border-radius: 30px;
            transition: var(--transition);
            box-shadow: var(--shadow-glow);
        }
        .lc-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.4);
        }
        .lc-btn-primary:active {
            transform: translateY(1px);
        }
        .lc-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border: 1.5px solid var(--border-medium);
            border-radius: 30px;
            transition: var(--transition);
        }
        .lc-btn-secondary:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }
        .lc-visual-frame {
            position: relative;
            width: 100%;
            max-width: 340px;
            aspect-ratio: 3/4;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1.5px solid var(--border-medium);
            box-shadow: var(--shadow-glass), 0 0 0 6px rgba(255,255,255,0.03);
            background: var(--bg-secondary);
        }
        .lc-visual-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .lc-visual-frame:hover img {
            transform: scale(1.06);
        }
        .lc-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(8,9,15,0.95), rgba(8,9,15,0));
            padding: 34px 18px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .lc-visual-overlay span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(6px);
            padding: 7px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.18);
        }
        .lc-visual-overlay span i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        /* ============================================
           SECTION COMMON
           ============================================ */
        .lc-section {
            padding: 72px 0;
        }
        .lc-section-alt {
            background: var(--bg-secondary);
        }
        .lc-section-header {
            margin-bottom: 44px;
        }
        .lc-section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .lc-section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }
        .lc-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        .lc-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        /* ============================================
           STATS SECTION
           ============================================ */
        .lc-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .lc-stat-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: left;
            transition: var(--transition);
        }
        .lc-stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glass);
            transform: translateY(-4px);
        }
        .lc-stat-card .lc-stat-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: 18px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .lc-stat-card h3 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .lc-stat-card p {
            font-size: 0.86rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============================================
           CONTENT BLOCKS
           ============================================ */
        .lc-content-block {
            display: flex;
            gap: 50px;
            align-items: flex-start;
        }
        .lc-content-block .lc-content-text {
            flex: 1.2;
            min-width: 0;
        }
        .lc-content-block .lc-content-image {
            flex: 0.8;
            min-width: 0;
        }
        .lc-list-check {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 8px;
        }
        .lc-list-check li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        .lc-list-check li i {
            color: var(--accent-cyan);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .lc-list-check li strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        .lc-image-tile {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-glass);
        }
        .lc-image-tile img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            max-height: 380px;
        }

        /* ============================================
           PROCESS STEPS
           ============================================ */
        .lc-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .lc-process-step {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            position: relative;
            transition: var(--transition);
            text-align: left;
        }
        .lc-process-step:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glass);
            transform: translateY(-4px);
        }
        .lc-process-step .lc-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            color: #08090F;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 18px;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.3);
        }
        .lc-process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .lc-process-step p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============================================
           DOCUMENT CARDS
           ============================================ */
        .lc-doc-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .lc-doc-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: var(--transition);
        }
        .lc-doc-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glass);
        }
        .lc-doc-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0,82,255,0.15);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            flex-shrink: 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .lc-doc-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .lc-doc-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* ============================================
           WARNING / NOTE BOX
           ============================================ */
        .lc-note-box {
            display: flex;
            gap: 16px;
            padding: 22px 26px;
            border-radius: var(--radius-md);
            background: rgba(255, 180, 0, 0.08);
            border: 1px dashed rgba(255, 180, 0, 0.35);
            margin-bottom: 18px;
        }
        .lc-note-box i {
            color: #FFB400;
            font-size: 1.3rem;
            flex-shrink: 0;
            margin-top: 3px;
        }
        .lc-note-box p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .lc-note-box p strong {
            color: var(--text-primary);
        }

        /* ============================================
           FAQ SECTION
           ============================================ */
        .lc-faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .lc-faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .lc-faq-item:hover {
            border-color: var(--border-medium);
        }
        .lc-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            width: 100%;
            gap: 16px;
            transition: var(--transition);
        }
        .lc-faq-question:hover {
            color: var(--accent-cyan);
        }
        .lc-faq-question i {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .lc-faq-item.open .lc-faq-question i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .lc-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .lc-faq-item.open .lc-faq-answer {
            max-height: 320px;
            padding-bottom: 20px;
            padding-top: 0;
        }
        .lc-faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            padding: 0 24px 20px;
        }

        /* ============================================
           CTA SECTION
           ============================================ */
        .lc-cta {
            background: linear-gradient(135deg, rgba(0,82,255,0.12) 0%, rgba(0,240,255,0.08) 100%);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-glass);
        }
        .lc-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .lc-cta h2 {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
        }
        .lc-cta p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 480px;
            margin: 0 auto 28px;
            position: relative;
        }
        .lc-cta .lc-btn-primary {
            font-size: 1rem;
            padding: 16px 38px;
            position: relative;
        }

        /* ============================================
           FOOTER
           ============================================ */
        .lc-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            margin-top: 10px;
        }
        .lc-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .lc-footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-top: 16px;
            max-width: 340px;
        }
        .lc-footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .lc-footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .lc-footer-col ul li a {
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .lc-footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 5px;
        }
        .lc-license-badges {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .lc-license-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-light);
            padding: 8px 14px;
            border-radius: 8px;
        }
        .lc-license-badge i {
            color: var(--accent-gold-warm);
            font-size: 0.85rem;
        }
        .lc-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============================================
           FAB (Floating Action Button)
           ============================================ */
        .lc-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
        }
        .lc-fab-btn {
            position: relative;
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(8, 9, 15, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50%;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35), 0 4px 16px rgba(0,0,0,0.4);
            transition: var(--transition);
            opacity: 0.62;
            animation: lcFloat 3.2s ease-in-out infinite;
        }
        .lc-fab-btn::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }
        .lc-fab-btn:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.55), 0 6px 20px rgba(0,0,0,0.5);
        }
        .lc-fab-btn:active {
            transform: scale(0.92);
        }
        .lc-fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--bg-primary);
            animation: lcBlink 1.6s ease-in-out infinite;
        }
        @keyframes lcFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes lcBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* ============================================
           RESPONSIVE BREAKPOINTS
           ============================================ */
        @media (max-width: 1024px) {
            .lc-hero-content {
                gap: 40px;
            }
            .lc-hero h1 {
                font-size: 2.2rem;
            }
            .lc-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .lc-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .lc-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .lc-nav-link {
                padding: 8px 12px;
                font-size: 0.82rem;
            }
            .lc-logo {
                font-size: 0.88rem;
                max-width: 280px;
            }
        }

        @media (max-width: 768px) {
            .lc-container {
                padding: 0 18px;
            }
            .lc-nav-links {
                display: none;
            }
            .lc-nav-actions {
                display: none;
            }
            .lc-mobile-toggle {
                display: block;
            }
            .lc-hero {
                padding-top: 120px;
                padding-bottom: 56px;
            }
            .lc-hero-content {
                flex-direction: column;
                gap: 36px;
            }
            .lc-hero-text {
                width: 100%;
            }
            .lc-hero-visual {
                width: 100%;
                justify-content: center;
            }
            .lc-visual-frame {
                max-width: 260px;
            }
            .lc-hero h1 {
                font-size: 1.9rem;
            }
            .lc-hero-sub {
                font-size: 1rem;
            }
            .lc-content-block {
                flex-direction: column;
                gap: 28px;
            }
            .lc-doc-grid {
                grid-template-columns: 1fr;
            }
            .lc-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .lc-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .lc-section {
                padding: 48px 0;
            }
            .lc-section-header h2 {
                font-size: 1.6rem;
            }
            .lc-cta {
                padding: 36px 22px;
            }
            .lc-cta h2 {
                font-size: 1.5rem;
            }
            .lc-btn-primary, .lc-btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .lc-fab {
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .lc-hero h1 {
                font-size: 1.6rem;
            }
            .lc-stats-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .lc-process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .lc-stat-card {
                padding: 20px 18px;
            }
            .lc-stat-card h3 {
                font-size: 1.6rem;
            }
            .lc-mobile-menu {
                padding: 14px 18px 20px;
            }
            .lc-btn-outline, .lc-btn-solid {
                padding: 9px 16px;
                font-size: 0.8rem;
            }
            .lc-section-header h2 {
                font-size: 1.4rem;
            }
            .lc-note-box {
                flex-direction: column;
                gap: 10px;
                padding: 18px 20px;
            }
        }