/* roulang page: index */
:root {
  --primary-bg: #0B0B0B;
  --secondary-bg: #161616;
  --tertiary-bg: #1F1F1F;
  --accent-primary: #FF4500;
  --accent-secondary: #FF0000;
  --accent-warm: #FF8C00;
  --text-primary: #FFFFFF;
  --text-secondary: #CCCCCC;
  --text-muted: #999999;
  --border-subtle: #2A2A2A;
  --border-accent: #FF4500;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
  --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::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(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

button, .btn {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
  transition: all var(--transition-smooth);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 11, 11, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(11, 11, 11, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  max-width: 160px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.btn-login {
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.btn-login:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-signup {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(255,69,0,0.35);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,69,0,0.45);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.8rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 0.82rem;
  }

  .btn-login,
  .btn-signup {
    font-size: 0.82rem;
    padding: 8px 16px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(11, 11, 11, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    font-size: 1rem;
  }

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

  .nav-actions .btn-login,
  .nav-actions .btn-signup {
    font-size: 0.8rem;
    padding: 8px 14px;
  }
}

/* Hero */
.hero-section {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  background-color: var(--primary-bg);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255,69,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--tertiary-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.badge-accent {
  background: rgba(255,69,0,0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 20px rgba(255,69,0,0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(255,69,0,0.55);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item .stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 100%;
}

@media (max-width: 1024px) {
  .hero-inner {
    gap: 40px;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-desc {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .hero-visual {
    order: -1;
  }
}

/* Section Shared */
.section-block {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 48px;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.65;
}

/* Section Navigation Cards */
.category-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255,69,0,0.1), transparent);
  border-radius: 50%;
  transition: transform var(--transition-smooth);
}

.category-card:hover::before {
  transform: scale(1.6);
}

.category-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.category-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,69,0,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.category-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.category-card .card-link:hover {
  gap: 10px;
}

@media (max-width: 1024px) {
  .category-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .category-nav-grid {
    grid-template-columns: 1fr;
  }
}

/* Featured Grid */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-accent);
}

.feature-card-icon {
  font-size: 2.4rem;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
}

/* CMS Info List */
.info-list-section {
  background: var(--secondary-bg);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.info-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.info-list-header .section-title {
  margin-bottom: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.info-list-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-list-items li {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}

.info-list-items li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-list-items a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  color: var(--text-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.info-list-items a:hover {
  color: var(--accent-primary);
}

.info-list-items .info-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 16px;
}

.info-sidebar {
  background: var(--tertiary-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-subtle);
}

.info-sidebar h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.info-sidebar p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 16px 0;
}

@media (max-width: 768px) {
  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-list-section {
    padding: 28px 20px;
  }
}

/* Data KPI */
.data-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.kpi-card {
  background: var(--secondary-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: left;
}

.kpi-card .kpi-icon {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.kpi-card .kpi-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-primary);
}

.kpi-card .kpi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 1024px) {
  .data-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .data-kpi-grid {
    grid-template-columns: 1fr;
  }
}

/* Security Section */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.security-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--secondary-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.security-card .shield-icon {
  font-size: 2rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.security-card h4 {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.security-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

@media (max-width: 1024px) {
  .security-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .security-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
}

.faq-item {
  background: var(--secondary-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question i {
  transition: transform var(--transition-fast);
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

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

/* Member CTA */
.member-cta-section {
  background: linear-gradient(135deg, var(--secondary-bg), #1a0a0a);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: left;
}

.member-cta-section .cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.member-cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.member-cta-section p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
}

@media (max-width: 768px) {
  .member-cta-section {
    padding: 40px 24px;
  }
  .member-cta-section .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* FAB */
.fab-left {
  position: fixed;
  left: 20px;
  bottom: 100px;
  z-index: 999;
}

.fab-btn {
  width: 54px;
  height: 54px;
  border-radius: 50px;
  background: rgba(11, 11, 11, 0.7);
  backdrop-filter: blur(10px);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  box-shadow: 0 0 15px rgba(255,69,0,0.4);
  transition: all var(--transition-smooth);
  cursor: pointer;
  overflow: hidden;
}

.fab-btn::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50px;
  background: linear-gradient(135deg, #FF4500, #00F0FF);
  z-index: -1;
  opacity: 0.8;
}

.fab-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 0 24px rgba(255,69,0,0.65);
}

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

.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 10px;
  height: 10px;
  background: #FF0000;
  border-radius: 50%;
  box-shadow: 0 0 8px #FF0000;
  animation: blink 1.4s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Footer */
.site-footer {
  background: var(--primary-bg);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 520px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category1 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --tertiary-bg: #1F1F1F;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-warm: #FF8C00;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-subtle: #2A2A2A;
            --border-accent: #FF4500;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
            --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .logo-text {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            max-width: 160px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width var(--transition-smooth);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }
        .btn-login:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(255,69,0,0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,69,0,0.45);
        }
        .btn-signup:active {
            transform: translateY(0);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            background-color: var(--primary-bg);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(255,69,0,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--tertiary-bg);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }
        .badge-accent {
            background: rgba(255,69,0,0.15);
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        .hero-kpi-row {
            display: flex;
            gap: 24px;
            margin-bottom: 32px;
        }
        .kpi-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .kpi-item i {
            color: var(--accent-primary);
        }
        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-accent);
            transform: rotate(-1deg);
        }
        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            box-shadow: 0 6px 20px rgba(255,69,0,0.4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255,69,0,0.55);
        }
        /* Section Styles */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }
        /* Steps Flow */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step-counter;
        }
        .step-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px;
            position: relative;
            transition: all var(--transition-smooth);
        }
        .step-card::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            top: -15px;
            left: 30px;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            box-shadow: var(--shadow-accent);
        }
        .step-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .step-card h3 {
            font-size: 1.3rem;
            margin: 16px 0 10px;
            color: var(--text-primary);
        }
        .step-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Payment Methods */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }
        .payment-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .payment-card:hover {
            border-color: var(--border-accent);
            background: var(--tertiary-bg);
            transform: scale(1.03);
        }
        .payment-icon {
            font-size: 2.5rem;
            color: var(--accent-primary);
            margin-bottom: 12px;
        }
        .payment-card h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .payment-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* Security Block */
        .security-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .security-list {
            list-style: none;
        }
        .security-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 24px;
        }
        .security-list i {
            font-size: 1.5rem;
            color: var(--accent-primary);
            margin-top: 4px;
        }
        .security-list h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }
        .security-list p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 24px;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-accent);
        }
        .faq-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1A1005 0%, #0B0B0B 100%);
            border-top: 2px solid var(--border-accent);
            text-align: center;
            padding: 80px 0;
        }
        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            margin-top: 16px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-image-wrapper {
                transform: none;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .security-block {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                padding: 14px 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links li:last-child {
                border-bottom: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-kpi-row {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .logo-text {
                font-size: 0.85rem;
            }
            .btn-login, .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .hero-section {
                padding: 100px 0 50px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

/* roulang page: article */
:root {
      --primary-bg: #0B0B0B;
      --secondary-bg: #161616;
      --tertiary-bg: #1F1F1F;
      --accent-primary: #FF4500;
      --accent-secondary: #FF0000;
      --accent-warm: #FF8C00;
      --text-primary: #FFFFFF;
      --text-secondary: #CCCCCC;
      --text-muted: #999999;
      --border-subtle: #2A2A2A;
      --border-accent: #FF4500;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
      --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
      --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --transition-fast: 0.2s ease;
      --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--primary-bg);
      color: var(--text-primary);
      line-height: 1.6;
      font-size: 16px;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color var(--transition-fast);
    }
    button, .btn {
      cursor: pointer;
      font-family: inherit;
      border: none;
      outline: none;
      transition: all var(--transition-smooth);
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 11, 11, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-subtle);
      transition: background var(--transition-smooth);
    }
    .site-header.scrolled {
      background: rgba(11, 11, 11, 0.98);
      box-shadow: var(--shadow-md);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .logo-wrapper {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: #fff;
      box-shadow: var(--shadow-accent);
    }
    .logo-text {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.2;
      max-width: 160px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-primary);
      transition: width var(--transition-smooth);
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text-primary);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-login {
      background: transparent;
      color: var(--text-primary);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
    }
    .btn-login:hover {
      border-color: var(--accent-primary);
      color: var(--accent-primary);
    }
    .btn-signup {
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
      color: #fff;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 10px 24px;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 14px rgba(255,69,0,0.35);
    }
    .btn-signup:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255,69,0,0.45);
    }
    .btn-signup:active {
      transform: translateY(0);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-primary);
      font-size: 1.8rem;
      cursor: pointer;
    }
    @media (max-width: 1024px) {
      .nav-links {
        gap: 20px;
      }
      .nav-links a {
        font-size: 0.82rem;
      }
      .btn-login,
      .btn-signup {
        font-size: 0.82rem;
        padding: 8px 16px;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(11, 11, 11, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--border-subtle);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links li {
        padding: 14px 0;
        border-bottom: 1px solid var(--border-subtle);
      }
      .nav-links li:last-child {
        border-bottom: none;
      }
      .nav-links a {
        font-size: 1rem;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-actions .btn-login,
      .nav-actions .btn-signup {
        font-size: 0.8rem;
        padding: 8px 14px;
      }
    }
    .article-hero {
      position: relative;
      padding: 140px 0 60px;
      background-color: var(--secondary-bg);
      border-bottom: 1px solid var(--border-subtle);
    }
    .article-hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(255,69,0,0.08) 0%, transparent 70%);
      pointer-events: none;
    }
    .article-hero-inner {
      position: relative;
      z-index: 1;
      max-width: 860px;
      margin: 0 auto;
    }
    .article-category-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      border-radius: 50px;
      font-size: 0.82rem;
      font-weight: 600;
      background: rgba(255,69,0,0.12);
      border: 1px solid var(--border-accent);
      color: var(--accent-primary);
      margin-bottom: 16px;
    }
    .article-hero h1 {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--text-primary);
      margin-bottom: 16px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .article-meta i {
      color: var(--accent-primary);
      margin-right: 4px;
    }
    .article-body-section {
      padding: 60px 0;
    }
    .article-body-wrapper {
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 48px;
      align-items: start;
    }
    .article-content {
      background: var(--secondary-bg);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 48px;
      line-height: 1.8;
      font-size: 1.05rem;
      color: var(--text-secondary);
    }
    .article-content h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-primary);
      margin: 36px 0 16px;
    }
    .article-content h3 {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 28px 0 12px;
    }
    .article-content p {
      margin-bottom: 18px;
    }
    .article-content ul,
    .article-content ol {
      margin: 16px 0 16px 24px;
    }
    .article-content li {
      margin-bottom: 8px;
    }
    .article-content img {
      border-radius: var(--radius-md);
      margin: 24px 0;
    }
    .article-content a {
      color: var(--accent-primary);
      text-decoration: underline;
    }
    .article-content blockquote {
      border-left: 4px solid var(--accent-primary);
      background: rgba(255,69,0,0.06);
      padding: 20px 24px;
      margin: 24px 0;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-style: italic;
    }
    .article-sidebar {
      position: sticky;
      top: 90px;
    }
    .sidebar-card {
      background: var(--secondary-bg);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 28px;
      margin-bottom: 24px;
    }
    .sidebar-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .sidebar-card h4 i {
      color: var(--accent-primary);
    }
    .sidebar-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .download-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .download-btn {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 20px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 0.95rem;
      transition: all var(--transition-smooth);
    }
    .download-btn-android {
      background: linear-gradient(135deg, #3DDC84, #00A86B);
      color: #000;
    }
    .download-btn-ios {
      background: linear-gradient(135deg, #A2AAAD, #7D7D7D);
      color: #fff;
    }
    .download-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    .related-links {
      list-style: none;
    }
    .related-links li {
      margin-bottom: 10px;
    }
    .related-links a {
      font-size: 0.9rem;
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      gap: 8px;
      transition: color var(--transition-fast);
    }
    .related-links a:hover {
      color: var(--accent-primary);
    }
    .related-links a i {
      font-size: 0.8rem;
    }
    .not-found-section {
      padding: 120px 0 80px;
      text-align: center;
    }
    .not-found-section h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .not-found-section p {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .not-found-section a {
      display: inline-block;
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
      color: #fff;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      font-weight: 600;
      transition: all var(--transition-smooth);
    }
    .not-found-section a:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-accent);
    }
    @media (max-width: 1024px) {
      .article-body-wrapper {
        grid-template-columns: 1fr 260px;
        gap: 32px;
      }
      .article-content {
        padding: 32px;
      }
    }
    @media (max-width: 768px) {
      .article-body-wrapper {
        grid-template-columns: 1fr;
      }
      .article-sidebar {
        position: static;
      }
      .article-hero h1 {
        font-size: 1.8rem;
      }
      .article-content {
        padding: 24px;
        font-size: 1rem;
      }
      .article-hero {
        padding: 120px 0 40px;
      }
    }
    .site-footer {
      background: var(--secondary-bg);
      border-top: 1px solid var(--border-subtle);
      padding: 60px 0 24px;
    }
    .footer-inner {
      display: grid;
      grid-template-columns: 1.8fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }
    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-top: 12px;
    }
    .footer-col h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      font-size: 0.9rem;
      color: var(--text-muted);
      transition: color var(--transition-fast);
    }
    .footer-col a:hover {
      color: var(--accent-primary);
    }
    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid var(--border-subtle);
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    @media (max-width: 768px) {
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 520px) {
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }
    .fab-left {
      position: fixed;
      left: 20px;
      bottom: 80px;
      z-index: 999;
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: rgba(11, 11, 11, 0.85);
      backdrop-filter: blur(16px);
      border: 2px solid transparent;
      background-clip: padding-box;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 0 18px rgba(255,69,0,0.45);
      transition: all var(--transition-smooth);
    }
    .fab-left::before {
      content: '';
      position: absolute;
      inset: -2px;
      border-radius: 50%;
      padding: 2px;
      background: linear-gradient(135deg, #FF4500, #00F0FF);
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
    }
    .fab-left i {
      font-size: 24px;
      color: #fff;
      position: relative;
      z-index: 1;
    }
    .fab-left:hover {
      transform: scale(1.1);
      box-shadow: 0 0 28px rgba(255,69,0,0.7);
    }
    .fab-left:active {
      transform: scale(0.95);
    }
    .fab-left .notification-dot {
      position: absolute;
      top: 6px;
      right: 6px;
      width: 12px;
      height: 12px;
      background: #FF0000;
      border-radius: 50%;
      animation: blink-dot 1.4s infinite;
    }
    @keyframes blink-dot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

/* roulang page: category2 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --tertiary-bg: #1F1F1F;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-warm: #FF8C00;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-subtle: #2A2A2A;
            --border-accent: #FF4500;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
            --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        * {
            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(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: var(--shadow-accent);
        }

        .logo-text {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            max-width: 160px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width var(--transition-smooth);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(255,69,0,0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,69,0,0.45);
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Banner / Page Header */
        .page-banner {
            padding: 120px 0 60px;
            background-color: var(--secondary-bg);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(11,11,11,0.9) 40%, rgba(11,11,11,0.5) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner-title {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .page-banner-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(255,69,0,0.15);
            color: var(--accent-primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 780px;
        }

        /* Weapon Grid */
        .weapon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .weapon-card {
            background: var(--tertiary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .weapon-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-accent);
            transform: translateY(-4px);
        }

        .weapon-rarity {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .rarity-legend {
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
        }

        .rarity-epic {
            background: linear-gradient(135deg, #8A2BE2, #6A0DAD);
            color: #fff;
        }

        .rarity-rare {
            background: linear-gradient(135deg, #1E90FF, #0052FF);
            color: #fff;
        }

        .weapon-icon-wrap {
            width: 64px;
            height: 64px;
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 18px;
            border: 1px solid var(--border-subtle);
        }

        .weapon-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .weapon-stats {
            display: flex;
            gap: 20px;
            margin: 12px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .weapon-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            color: var(--accent-warm);
        }

        .weapon-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Timeline - Release Countdown */
        .countdown-section {
            background: var(--secondary-bg);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            margin-top: 40px;
            border: 1px solid var(--border-subtle);
            flex-wrap: wrap;
        }

        .countdown-info h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .countdown-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .countdown-timer {
            display: flex;
            gap: 20px;
        }

        .timer-box {
            background: var(--tertiary-bg);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            text-align: center;
            min-width: 70px;
            border: 1px solid var(--border-subtle);
        }

        .timer-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-primary);
            line-height: 1;
        }

        .timer-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Comparison / Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--tertiary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: left;
        }

        .stat-icon {
            font-size: 1.8rem;
            color: var(--accent-primary);
            margin-bottom: 12px;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--tertiary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--accent-primary);
        }

        .faq-q {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .faq-a {
            margin-top: 14px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
            display: none;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        .faq-q i {
            transition: transform 0.3s;
        }

        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            text-align: left;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
        }

        .cta-box p {
            color: rgba(255,255,255,0.9);
            font-size: 1.05rem;
            line-height: 1.6;
            margin: 12px 0 0;
        }

        .btn-cta-large {
            background: #fff;
            color: var(--accent-primary);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: var(--radius-lg);
            white-space: nowrap;
            box-shadow: var(--shadow-md);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 12px;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
            .nav-links a {
                font-size: 0.82rem;
            }
            .btn-login,
            .btn-signup {
                font-size: 0.82rem;
                padding: 8px 16px;
            }
            .weapon-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                padding: 14px 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links li:last-child {
                border-bottom: none;
            }
            .nav-links a {
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .weapon-grid {
                grid-template-columns: 1fr;
            }
            .countdown-section {
                flex-direction: column;
                text-align: center;
                padding: 30px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }
            .page-banner-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --tertiary-bg: #1F1F1F;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-warm: #FF8C00;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-subtle: #2A2A2A;
            --border-accent: #FF4500;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
            --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            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(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .logo-text {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            max-width: 160px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width var(--transition-smooth);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }
        .btn-login:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(255,69,0,0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,69,0,0.45);
        }
        .btn-signup:active {
            transform: translateY(0);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A00 50%, #0B0B0B 100%);
            padding: 140px 0 60px;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255,69,0,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-banner h1 span {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .payment-method-bar {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 20px 0;
        }
        .payment-icons {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .payment-icons .pay-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .pay-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--tertiary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-primary);
            border: 1px solid var(--border-subtle);
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
        }
        .deposit-steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--accent-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-accent);
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 16px;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .method-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .method-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-accent);
        }
        .method-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--tertiary-bg);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--accent-primary);
        }
        .method-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .method-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .method-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 12px;
            background: rgba(255,69,0,0.15);
            color: var(--accent-primary);
        }
        .info-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .info-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .info-details h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .info-details p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .check-list {
            list-style: none;
        }
        .check-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .check-list li i {
            color: var(--accent-primary);
            font-size: 1.2rem;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .faq-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--accent-primary);
        }
        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg), #1A0A00);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border-subtle);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-block;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            box-shadow: 0 6px 20px rgba(255,69,0,0.4);
            transition: all var(--transition-smooth);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255,69,0,0.55);
        }
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 14px;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        @media (max-width: 1024px) {
            .deposit-steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-row {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                padding: 14px 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links li:last-child {
                border-bottom: none;
            }
            .nav-links a {
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .deposit-steps-grid {
                grid-template-columns: 1fr;
            }
            .methods-grid {
                grid-template-columns: 1fr;
            }
            .payment-icons {
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 40px 20px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --tertiary-bg: #1F1F1F;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-warm: #FF8C00;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-subtle: #2A2A2A;
            --border-accent: #FF4500;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
            --shadow-accent: 0 0 20px rgba(255,69,0,0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .logo-text {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            max-width: 160px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width var(--transition-smooth);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }
        .btn-login:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(255,69,0,0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,69,0,0.45);
        }
        .btn-signup:active {
            transform: translateY(0);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Page Banner */
        .page-banner {
            padding: 160px 0 100px;
            background: linear-gradient(rgba(11,11,11,0.75), rgba(11,11,11,0.92)), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            text-align: center;
            position: relative;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-banner h1 span {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        /* Tips Grid */
        .tips-section {
            padding: 80px 0;
        }
        .section-header {
            text-align: left;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            line-height: 1.7;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .tip-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .tip-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-accent);
            transform: translateY(-4px);
        }
        .tip-card .tip-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(255,69,0,0.1);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }
        .tip-card .tip-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            font-size: 24px;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: var(--shadow-accent);
        }
        .tip-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .tip-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .tip-card .tip-tag {
            display: inline-block;
            margin-top: 16px;
            padding: 6px 14px;
            background: rgba(255,69,0,0.15);
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-primary);
            position: relative;
            z-index: 1;
        }
        /* Weapons Strategy */
        .strategy-section {
            padding: 80px 0;
            background: var(--secondary-bg);
        }
        .strategy-timeline {
            position: relative;
            padding-left: 40px;
        }
        .strategy-timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-primary), var(--accent-warm), transparent);
        }
        .strategy-step {
            margin-bottom: 50px;
            position: relative;
        }
        .strategy-step:last-child {
            margin-bottom: 0;
        }
        .strategy-step::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 8px;
            width: 16px;
            height: 16px;
            background: var(--accent-primary);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255,69,0,0.5);
        }
        .strategy-step h4 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .strategy-step p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.98rem;
        }
        .strategy-step .strategy-img {
            margin-top: 16px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        /* Comparison Table */
        .comparison-section {
            padding: 80px 0;
        }
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--secondary-bg);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        .comparison-table th {
            background: var(--tertiary-bg);
            padding: 18px 24px;
            text-align: left;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent-primary);
            border-bottom: 1px solid var(--border-subtle);
        }
        .comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .highlight-row {
            background: rgba(255,69,0,0.05);
        }
        .comparison-table .check-icon {
            color: #00C853;
            margin-right: 6px;
        }
        .comparison-table .cross-icon {
            color: #FF1744;
            margin-right: 6px;
        }
        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--secondary-bg);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .faq-item {
            background: var(--primary-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--accent-primary);
        }
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--accent-primary);
            font-size: 1.2rem;
            margin-top: 2px;
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        /* CTA */
        .cta-section {
            padding: 80px 0;
            text-align: center;
        }
        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            background: var(--secondary-bg);
            padding: 50px 40px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255,69,0,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-box h2 span {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-warm));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 36px;
            border-radius: 50px;
            box-shadow: 0 8px 28px rgba(255,69,0,0.4);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255,69,0,0.55);
        }
        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-subtle);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 16px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* Left FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 100;
            width: 56px;
            height: 56px;
            background: rgba(11,11,11,0.8);
            backdrop-filter: blur(12px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-primary);
            cursor: pointer;
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
            border: 2px solid var(--accent-primary);
            transition: all var(--transition-smooth);
        }
        .fab-floating:hover {
            transform: scale(1.15);
            box-shadow: 0 0 32px rgba(255,69,0,0.6);
            background: var(--accent-primary);
            color: #fff;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .tips-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .faq-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                padding: 14px 0;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links li:last-child {
                border-bottom: none;
            }
            .nav-links a {
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .page-banner {
                padding: 140px 0 80px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .strategy-timeline {
                padding-left: 30px;
            }
            .strategy-step::before {
                left: -28px;
                width: 12px;
                height: 12px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .comparison-table {
                min-width: 600px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 12px 16px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .tip-card {
                padding: 24px;
            }
            .tip-card h3 {
                font-size: 1.1rem;
            }
            .cta-box {
                padding: 30px 20px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .btn-cta-lg {
                font-size: 0.9rem;
                padding: 14px 28px;
            }
        }