/* roulang page: index */
:root {
  --bg-primary: #0F0C20;
  --bg-secondary: #0B1A30;
  --bg-card: rgba(255,255,255,0.05);
  --bg-card-hover: rgba(255,255,255,0.08);
  --border-card: rgba(255,255,255,0.12);
  --accent-lime: #CCFF00;
  --accent-cyan: #00F0FF;
  --text-primary: #FFFFFF;
  --text-secondary: #A6ACAF;
  --text-muted: #6B7280;
  --shadow-neon: 0 0 20px rgba(0,240,255,0.4);
  --shadow-neon-strong: 0 0 35px rgba(0,240,255,0.6);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'Be Vietnam Pro', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0,240,255,0.06) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(204,255,0,0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

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

button,
input {
  font-family: inherit;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(15, 12, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,240,255,0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.logo i {
  color: var(--accent-cyan);
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(0,240,255,0.7));
}

.logo-text {
  background: linear-gradient(135deg, #fff 0%, #CCFF00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 2px;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
  transition: width var(--transition);
  border-radius: 2px;
}

.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-outline {
  padding: 10px 22px;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,0.3);
  background: transparent;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0,240,255,0.3);
}

.btn-primary {
  padding: 10px 24px;
  border-radius: 50px;
  border: none;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  color: #0F0C20;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,240,255,0.35);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,240,255,0.5);
}

.btn-primary:active,
.btn-outline:active {
  transform: scale(0.97);
}

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

/* Hero Section */
.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,12,32,0.9) 0%, rgba(11,26,48,0.85) 100%);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-left {
  text-align: left;
}

.hero-tag {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(0,240,255,0.12);
  border: 1px solid rgba(0,240,255,0.35);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #fff 20%, var(--accent-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 50px;
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent-lime);
  box-shadow: 0 0 20px rgba(204,255,0,0.2);
}

.hero-toc {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  max-width: 480px;
}

.hero-toc h3 {
  color: var(--accent-cyan);
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-toc ul {
  list-style: none;
}

.hero-toc li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.hero-toc li:last-child {
  border-bottom: none;
}

.hero-toc li i {
  color: var(--accent-lime);
  font-size: 0.8rem;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-cover {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 24px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.hero-cover img {
  width: 180px;
  height: auto;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0,240,255,0.2);
}

.hero-cover h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

.hero-form {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0,240,255,0.25);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.hero-form h2 {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-form p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 16px;
}

.form-group input {
  width: 100%;
  padding: 14px 20px;
  border-radius: 50px;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.15);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.2);
}

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

.btn-block {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

.form-note {
  text-align: center;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections General */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  margin-bottom: 50px;
}

.section-header.left {
  text-align: left;
}

.section-header.center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(0,240,255,0.1);
  border: 1px solid rgba(0,240,255,0.25);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 640px;
}

.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0,240,255,0.3);
  transform: translateY(-6px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(0,240,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.testimonial-card::before {
  content: "\201C";
  position: absolute;
  top: 20px;
  left: 24px;
  font-size: 4rem;
  color: rgba(0,240,255,0.15);
  font-family: serif;
  line-height: 1;
}

.testimonial-text {
  position: relative;
  z-index: 1;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
  padding-top: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #0F0C20;
}

.testimonial-author-info h4 {
  font-weight: 800;
  color: var(--text-primary);
  font-size: 1rem;
}

.testimonial-author-info span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: block;
  transition: var(--transition);
}

.news-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0,240,255,0.3);
  transform: translateX(6px);
}

.news-item .news-date {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.news-item h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

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

.news-sidebar {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.news-sidebar h4 {
  color: var(--accent-lime);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.news-mini {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  gap: 12px;
}

.news-mini:last-child {
  border-bottom: none;
}

.news-mini span:first-child {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  flex: 1;
}

.news-mini:hover span:first-child {
  color: var(--accent-cyan);
}

.news-mini .news-date {
  color: var(--text-muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

.empty-msg {
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 30px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(204,255,0,0.05));
  border-top: 1px solid rgba(0,240,255,0.15);
  border-bottom: 1px solid rgba(0,240,255,0.15);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.cta-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Platform Guarantee */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  transition: var(--transition);
}

.guarantee-item:hover {
  border-color: rgba(0,240,255,0.3);
  box-shadow: 0 0 20px rgba(0,240,255,0.1);
}

.guarantee-item i {
  font-size: 1.6rem;
  color: var(--accent-cyan);
}

.guarantee-item span {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Limited Offer */
.offer-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(204,255,0,0.35);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.offer-box h2 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-lime);
  margin-bottom: 12px;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
}

.countdown-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(204,255,0,0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 70px;
}

.countdown-item span {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
}

.countdown-item label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Footer */
.footer {
  background: #0A0A14;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(0,240,255,0.1);
  position: relative;
  z-index: 1;
}

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-col li {
  margin-bottom: 12px;
}

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

.footer-col a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

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

.payment-badges {
  display: flex;
  gap: 12px;
  align-items: center;
}

.payment-badges span {
  padding: 6px 14px;
  border-radius: 30px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

/* FAB */
.fab {
  position: fixed;
  left: 24px;
  bottom: 96px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(16px);
  border: 1.5px solid transparent;
  border-radius: 50px;
  border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0,240,255,0.5);
  transition: var(--transition);
  opacity: 0.7;
  animation: breathe 3s ease-in-out infinite;
  min-width: 48px;
  min-height: 48px;
  justify-content: center;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0,240,255,0.8);
}

.fab i {
  font-size: 1.4rem;
  color: var(--accent-cyan);
}

.fab .notif-dot {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  background: #FF007F;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

@keyframes breathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* Responsive */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-right {
    max-width: 500px;
    margin: 0 auto;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(15,12,32,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
    border-bottom: 1px solid rgba(0,240,255,0.2);
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-actions {
    gap: 8px;
  }
  .btn-outline,
  .btn-primary {
    padding: 8px 16px;
    font-size: 0.8rem;
  }
  .menu-toggle {
    display: block;
  }
  .section {
    padding: 60px 0;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 60px 0 40px;
  }
  .hero-cta-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-lg {
    text-align: center;
  }
  .fab {
    left: 16px;
    bottom: 80px;
    padding: 12px;
  }
  .fab span {
    display: none;
  }
}

@media (max-width: 520px) {
  .countdown {
    gap: 10px;
    flex-wrap: wrap;
  }
  .countdown-item {
    min-width: 60px;
    padding: 12px;
  }
  .countdown-item span {
    font-size: 1.5rem;
  }
  .offer-box {
    padding: 28px 20px;
  }
}

/* roulang page: article */
:root {
  --bg-primary: #0F0C20;
  --bg-secondary: #0B1A30;
  --bg-card: rgba(255,255,255,0.05);
  --bg-card-hover: rgba(255,255,255,0.08);
  --border-card: rgba(255,255,255,0.12);
  --accent-lime: #CCFF00;
  --accent-cyan: #00F0FF;
  --text-primary: #FFFFFF;
  --text-secondary: #A6ACAF;
  --text-muted: #6B7280;
  --shadow-neon: 0 0 20px rgba(0,240,255,0.4);
  --shadow-neon-strong: 0 0 35px rgba(0,240,255,0.6);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'Be Vietnam Pro', sans-serif;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  padding-bottom: 80px;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0,240,255,0.06) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(204,255,0,0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
button,
input {
  font-family: inherit;
}
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(15, 12, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,240,255,0.15);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo i {
  color: var(--accent-cyan);
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(0,240,255,0.7));
}
.logo-text {
  background: linear-gradient(135deg, #fff 0%, #CCFF00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 2px;
  position: relative;
  transition: var(--transition);
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
  transition: width var(--transition);
  border-radius: 2px;
}
.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-outline {
  padding: 10px 22px;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,0.3);
  background: transparent;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0,240,255,0.3);
}
.btn-primary {
  padding: 10px 24px;
  border-radius: 50px;
  border: none;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  color: #0F0C20;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,240,255,0.35);
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,240,255,0.5);
}
.btn-primary:active,
.btn-outline:active {
  transform: scale(0.97);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.8rem;
  cursor: pointer;
}
/* Breadcrumb */
.breadcrumb-wrapper {
  padding: 24px 0 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--text-muted);
  margin-left: 8px;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent-cyan);
}
.breadcrumb .current {
  color: var(--accent-cyan);
  font-weight: 600;
}
/* Article Section */
.article-section {
  padding: 20px 0 60px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-main {
  min-width: 0;
}
.article-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 32px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.article-meta .badge-cat {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(0,240,255,0.12);
  border: 1px solid rgba(0,240,255,0.3);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}
.article-meta .meta-sep {
  color: var(--text-muted);
}
.article-meta i {
  color: var(--accent-cyan);
  margin-right: 6px;
}
.article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  color: var(--text-primary);
}
.article-title .highlight {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.article-featured-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.article-featured-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15,12,32,0.6) 100%);
  pointer-events: none;
}
.article-featured-image img {
  width: 100%;
  aspect-ratio: 16/8;
  object-fit: cover;
}
.article-content {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}
.article-content h2 {
  color: var(--text-primary);
  font-size: 1.55rem;
  font-weight: 800;
  margin: 32px 0 16px;
  letter-spacing: -0.3px;
  padding-left: 14px;
  border-left: 3px solid var(--accent-cyan);
  line-height: 1.4;
}
.article-content h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 24px 0 12px;
  line-height: 1.4;
}
.article-content p {
  margin-bottom: 16px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 20px 20px;
  color: var(--text-secondary);
}
.article-content li {
  margin-bottom: 8px;
}
.article-content strong {
  color: var(--text-primary);
  font-weight: 700;
}
.article-content a {
  color: var(--accent-cyan);
  border-bottom: 1px dashed rgba(0,240,255,0.4);
}
.article-content a:hover {
  color: var(--accent-lime);
  border-bottom-color: var(--accent-lime);
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 20px 0;
}
.article-content blockquote {
  margin: 20px 0;
  padding: 16px 20px;
  background: rgba(0,240,255,0.05);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-primary);
  font-style: italic;
}
.article-not-found {
  text-align: center;
  padding: 60px 20px;
}
.article-not-found i {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.article-not-found h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}
/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-widget {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.sidebar-widget h3 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}
.sidebar-widget h3 i {
  color: var(--accent-cyan);
}
.download-list {
  list-style: none;
}
.download-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.download-list li:last-child {
  border-bottom: none;
}
.download-list li i {
  color: var(--accent-lime);
  font-size: 1rem;
  width: 20px;
  text-align: center;
}
.sidebar-timer {
  text-align: center;
}
.timer-ring {
  width: 140px;
  height: 140px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 3px solid rgba(0,240,255,0.2);
  border-top-color: var(--accent-cyan);
  border-right-color: var(--accent-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-primary);
  position: relative;
  animation: spinRing 4s linear infinite;
}
.timer-ring::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: rgba(15,12,32,0.9);
}
.timer-ring span {
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes spinRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.sidebar-timer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.sidebar-timer .btn-primary {
  width: 100%;
  padding: 12px 20px;
  font-size: 0.95rem;
}
/* Feature Cards */
.feature-section {
  padding: 60px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0,240,255,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-card .feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(204,255,0,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
/* CTA Section */
.cta-section {
  padding: 70px 0;
}
.cta-panel {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(204,255,0,0.06));
  border: 1px solid rgba(0,240,255,0.25);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,240,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.cta-panel h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.cta-panel p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 1rem;
  line-height: 1.7;
}
.cta-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 50px;
}
.btn-secondary {
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--text-primary);
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent-lime);
  box-shadow: 0 0 20px rgba(204,255,0,0.2);
}
/* Testimonials */
.testimonial-section {
  padding: 60px 0;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.testimonial-card .stars {
  display: flex;
  gap: 4px;
  color: #FFD700;
  margin-bottom: 14px;
}
.testimonial-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 16px;
  font-style: italic;
}
.testimonial-card .user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card .user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #0F0C20;
}
.testimonial-card .user-info strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.testimonial-card .user-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}
/* FAQ */
.faq-section {
  padding: 60px 0;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(0,240,255,0.3);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 18px 22px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}
.faq-question i {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
/* Bottom Fixed Bar */
.fixed-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: rgba(15, 12, 32, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0,240,255,0.25);
  padding: 12px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fixed-bottom-bar .fb-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.fixed-bottom-bar .fb-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.fixed-bottom-bar .fb-text strong {
  color: var(--accent-lime);
}
.fixed-bottom-bar .fb-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px;
  margin-left: 8px;
  transition: var(--transition);
}
.fixed-bottom-bar .fb-close:hover {
  color: var(--text-primary);
}
/* Float Action Button */
.fab {
  position: fixed;
  left: 16px;
  bottom: 96px;
  z-index: 50;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 2px solid transparent;
  background-clip: padding-box;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0,240,255,0.5);
  position: relative;
  transition: var(--transition);
  animation: fabPulse 3s ease-in-out infinite;
}
.fab::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
  z-index: -1;
  opacity: 0.7;
}
.fab i {
  font-size: 1.3rem;
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 6px rgba(0,240,255,0.8));
  transition: var(--transition);
}
.fab:hover {
  opacity: 1;
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0,240,255,0.7);
}
.fab:hover i {
  animation: fabFlicker 0.3s ease-in-out 2;
}
.fab:active {
  transform: scale(0.95);
}
.fab .notify-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #FF007F;
  border: 2px solid #0F0C20;
  animation: blinkDot 1.5s ease-in-out infinite;
}
@keyframes fabPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
@keyframes fabFlicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
@keyframes blinkDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}
/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(0,240,255,0.15);
  padding: 50px 0 24px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand {
  max-width: 320px;
}
.footer-brand .logo {
  margin-bottom: 14px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
}
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 8px;
}
.footer-col a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.payment-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.payment-badges span {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
/* Responsive */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .feature-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 12, 32, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid rgba(0,240,255,0.2);
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .menu-toggle {
    display: block;
  }
  .nav-actions {
    gap: 8px;
  }
  .nav-actions .btn-outline,
  .nav-actions .btn-primary {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  .article-card {
    padding: 24px 18px;
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .feature-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 32px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .article-featured-image img {
    aspect-ratio: 16/9;
  }
}
@media (max-width: 520px) {
  .container {
    width: 94%;
  }
  .nav-actions .btn-outline {
    display: none;
  }
  .nav-actions .btn-primary {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  .article-title {
    font-size: 1.35rem;
  }
  .article-card {
    padding: 18px 14px;
  }
  .article-meta {
    font-size: 0.75rem;
    gap: 10px;
  }
  .cta-btns {
    flex-direction: column;
  }
  .btn-lg {
    width: 100%;
  }
  .fixed-bottom-bar .fb-text {
    font-size: 0.78rem;
  }
  .fixed-bottom-bar .btn-primary {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  .fab {
    width: 44px;
    height: 44px;
    left: 10px;
    bottom: 90px;
  }
  .fab i {
    font-size: 1.1rem;
  }
  .breadcrumb {
    font-size: 0.75rem;
  }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border-card: rgba(255, 255, 255, 0.12);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.4);
            --shadow-neon-strong: 0 0 35px rgba(0, 240, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Be Vietnam Pro', sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
            padding-bottom: 70px;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(204, 255, 0, 0.04) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        /* Header & Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 16px 0;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.7));
        }
        .logo-text {
            background: linear-gradient(135deg, #fff 0%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            transition: width var(--transition);
            border-radius: 2px;
        }
        .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-outline {
            padding: 10px 22px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }
        .btn-primary {
            padding: 10px 24px;
            border-radius: 50px;
            border: none;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.35);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
        }
        .btn-primary:active,
        .btn-outline:active {
            transform: scale(0.97);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero Section - Category Landing */
        .hero-cat {
            position: relative;
            padding: 70px 0 60px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-cat::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.92) 0%, rgba(11, 26, 48, 0.88) 100%);
            z-index: 0;
        }
        .hero-cat .container {
            position: relative;
            z-index: 1;
        }
        .hero-cat-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .hero-cat-tag {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.35);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-cat h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
            color: var(--text-primary);
        }
        .hero-cat h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-cat-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 540px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-cat-cta-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--accent-lime);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
        }
        .hero-cat-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-cat-stat {
            text-align: left;
        }
        .hero-cat-stat .number {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-lime);
            display: block;
            line-height: 1.2;
        }
        .hero-cat-stat .label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .hero-card-panel {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .hero-card-panel::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-card-panel img {
            border-radius: var(--radius-md);
            margin-bottom: 18px;
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-card-panel h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }
        .hero-card-panel p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        /* Section Common */
        .section {
            padding: 60px 0;
            position: relative;
            z-index: 1;
        }
        .section-header {
            text-align: left;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.8rem;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.7;
        }
        /* Feature Cards */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 240, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), var(--shadow-neon);
        }
        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
        }
        /* Steps / Process */
        .steps-section {
            background: rgba(11, 26, 48, 0.6);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            counter-reset: step-counter;
        }
        .step-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 22px;
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(204, 255, 0, 0.3);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 900;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.6;
        }
        /* Social Proof */
        .social-proof {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .social-proof-left img {
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .social-proof-right h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .social-proof-right p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .proof-quote {
            border-left: 3px solid var(--accent-cyan);
            padding-left: 18px;
            margin-bottom: 18px;
            color: var(--text-primary);
            font-style: italic;
            font-weight: 500;
        }
        .proof-quote cite {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            font-style: normal;
            margin-top: 6px;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-primary);
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--accent-cyan);
            font-size: 1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.06) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            margin-top: 60px;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 900;
            margin-bottom: 14px;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        /* Footer */
        .footer {
            padding: 50px 0 30px;
            background: rgba(11, 26, 48, 0.8);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            margin-top: 60px;
            position: relative;
            z-index: 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-top: 14px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }
        .payment-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .payment-badges span {
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        /* Bottom Fixed Conversion Bar */
        .sticky-convert-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2000;
            background: rgba(15, 12, 32, 0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 240, 255, 0.3);
            padding: 10px 0;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.6);
        }
        .sticky-convert-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .sticky-convert-bar .bar-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .sticky-convert-bar .bar-left i {
            font-size: 1.6rem;
            color: var(--accent-lime);
            filter: drop-shadow(0 0 8px rgba(204, 255, 0, 0.5));
        }
        .sticky-convert-bar .bar-left h4 {
            font-size: 0.95rem;
            font-weight: 800;
            margin: 0;
            color: var(--text-primary);
        }
        .sticky-convert-bar .bar-left p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .sticky-convert-bar .bar-right {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .sticky-convert-bar .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: 50px;
        }
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1500;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 12px 20px;
            border-radius: 50px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            border-image-slice: 1;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            text-decoration: none;
            opacity: 0.9;
            animation: fabPulse 3s ease-in-out infinite;
        }
        .fab-floating:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }
        .fab-floating i {
            font-size: 1.2rem;
            color: var(--accent-cyan);
        }
        @keyframes fabPulse {
            0%, 100% {
                box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-cat-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-cat {
                min-height: auto;
                padding: 50px 0;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .social-proof {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 70px);
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 30px 24px;
                gap: 18px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-left: 1px solid rgba(0, 240, 255, 0.2);
                z-index: 999;
                margin: 0;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                font-size: 1.1rem;
                padding: 10px 0;
                display: block;
                width: 100%;
            }
            .nav-actions .btn-outline,
            .nav-actions .btn-primary {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .menu-toggle {
                display: block;
            }
            .hero-cat {
                padding: 40px 0;
            }
            .hero-cat-cta-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-cat-cta-btns .btn-lg {
                width: 100%;
                justify-content: center;
            }
            .hero-cat-stats {
                gap: 18px;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .sticky-convert-bar .container {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .sticky-convert-bar .bar-left {
                flex-direction: column;
                gap: 4px;
            }
            .sticky-convert-bar .bar-right {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
            .sticky-convert-bar .btn-sm {
                flex: 1;
                justify-content: center;
                text-align: center;
            }
            .fab-floating {
                bottom: 130px;
                padding: 10px 16px;
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn-outline,
            .nav-actions .btn-primary {
                padding: 7px 12px;
                font-size: 0.7rem;
                border-radius: 40px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo i {
                font-size: 1.4rem;
            }
            .hero-cat h1 {
                font-size: 1.8rem;
            }
            .hero-cat-stats .number {
                font-size: 1.3rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .hero-card-panel {
                padding: 18px;
            }
            .cta-section {
                margin-top: 40px;
            }
        }
        /* Bootstrap overrides */
        .btn {
            font-family: var(--font-main);
        }
        .btn:focus-visible,
        .btn-outline:focus-visible,
        .btn-primary:focus-visible,
        .menu-toggle:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
        }

/* roulang page: category2 */
:root {
        --bg-primary: #0F0C20;
        --bg-secondary: #0B1A30;
        --bg-card: rgba(255,255,255,0.05);
        --bg-card-hover: rgba(255,255,255,0.08);
        --border-card: rgba(255,255,255,0.12);
        --accent-lime: #CCFF00;
        --accent-cyan: #00F0FF;
        --text-primary: #FFFFFF;
        --text-secondary: #A6ACAF;
        --text-muted: #6B7280;
        --shadow-neon: 0 0 20px rgba(0,240,255,0.4);
        --shadow-neon-strong: 0 0 35px rgba(0,240,255,0.6);
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 22px;
        --radius-xl: 32px;
        --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
        --font-main: 'Be Vietnam Pro', sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-main);
        background: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        min-height: 100vh;
        position: relative;
    }

    body::before {
        content: "";
        position: fixed;
        inset: 0;
        background: radial-gradient(circle at 20% 20%, rgba(0,240,255,0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 80%, rgba(204,255,0,0.04) 0%, transparent 50%);
        pointer-events: none;
        z-index: 0;
    }

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

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

    button,
    input,
    textarea {
        font-family: inherit;
    }

    .container {
        width: min(1200px, 92%);
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }

    /* Header & Navigation */
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 16px 0;
        background: rgba(15, 12, 32, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0,240,255,0.15);
    }

    .nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 900;
        font-size: 1.25rem;
        letter-spacing: -0.5px;
        white-space: nowrap;
    }

    .logo i {
        color: var(--accent-cyan);
        font-size: 1.8rem;
        filter: drop-shadow(0 0 8px rgba(0,240,255,0.7));
    }

    .logo-text {
        background: linear-gradient(135deg, #fff 0%, #CCFF00 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
    }

    .nav-links a {
        color: var(--text-secondary);
        font-weight: 600;
        font-size: 0.95rem;
        padding: 8px 2px;
        position: relative;
        transition: var(--transition);
    }

    .nav-links a::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
        transition: width var(--transition);
        border-radius: 2px;
    }

    .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-outline {
        padding: 10px 22px;
        border-radius: 50px;
        border: 1.5px solid rgba(255,255,255,0.3);
        background: transparent;
        color: var(--text-primary);
        font-weight: 700;
        font-size: 0.9rem;
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
    }

    .btn-outline:hover {
        border-color: var(--accent-cyan);
        box-shadow: 0 0 15px rgba(0,240,255,0.3);
    }

    .btn-primary {
        padding: 10px 24px;
        border-radius: 50px;
        border: none;
        background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
        color: #0F0C20;
        font-weight: 800;
        font-size: 0.9rem;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 4px 15px rgba(0,240,255,0.35);
        white-space: nowrap;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0,240,255,0.5);
    }

    .btn-primary:active,
    .btn-outline:active {
        transform: scale(0.97);
    }

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

    /* Hero Section */
    .hero {
        position: relative;
        padding: 70px 0 60px;
        overflow: hidden;
        background-image: url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(15,12,32,0.92) 0%, rgba(11,26,48,0.88) 100%);
        z-index: 0;
    }

    .hero .container {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 50px;
        align-items: center;
    }

    .hero-left {
        text-align: left;
    }

    .hero-tag {
        display: inline-block;
        padding: 8px 20px;
        border-radius: 50px;
        background: rgba(0,240,255,0.12);
        border: 1px solid rgba(0,240,255,0.35);
        color: var(--accent-cyan);
        font-weight: 700;
        font-size: 0.85rem;
        margin-bottom: 24px;
        letter-spacing: 0.5px;
    }

    .hero h1 {
        font-size: clamp(2rem, 4.5vw, 3.2rem);
        font-weight: 900;
        line-height: 1.2;
        margin-bottom: 20px;
        letter-spacing: -1px;
        background: linear-gradient(135deg, #fff 20%, var(--accent-lime) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-desc {
        color: var(--text-secondary);
        font-size: 1.05rem;
        max-width: 520px;
        margin-bottom: 32px;
        line-height: 1.7;
    }

    .hero-form {
        background: rgba(255,255,255,0.05);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(0,240,255,0.25);
        border-radius: var(--radius-lg);
        padding: 28px 30px;
        box-shadow: var(--shadow-neon);
    }

    .hero-form h3 {
        font-size: 1.2rem;
        font-weight: 800;
        margin-bottom: 8px;
        color: var(--accent-cyan);
    }

    .hero-form p {
        color: var(--text-secondary);
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        display: block;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 6px;
        color: var(--text-secondary);
    }

    .form-group input {
        width: 100%;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255,255,255,0.2);
        background: rgba(255,255,255,0.06);
        color: var(--text-primary);
        font-size: 0.95rem;
        outline: none;
        transition: var(--transition);
    }

    .form-group input:focus {
        border-color: var(--accent-cyan);
        box-shadow: 0 0 0 3px rgba(0,240,255,0.2);
    }

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

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

    .section-header {
        margin-bottom: 40px;
        text-align: left;
    }

    .section-header h2 {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
        font-weight: 900;
        letter-spacing: -0.5px;
        margin-bottom: 12px;
        line-height: 1.25;
    }

    .section-header p {
        color: var(--text-secondary);
        font-size: 1.05rem;
        max-width: 650px;
        line-height: 1.7;
    }

    .section-tag {
        display: inline-block;
        padding: 6px 16px;
        border-radius: 50px;
        background: rgba(204,255,0,0.1);
        border: 1px solid rgba(204,255,0,0.3);
        color: var(--accent-lime);
        font-weight: 700;
        font-size: 0.8rem;
        margin-bottom: 16px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* Feature Cards - Asymmetric Grid */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
    }

    .feature-card {
        background: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-lg);
        padding: 28px 26px;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .feature-card:hover {
        background: var(--bg-card-hover);
        border-color: rgba(0,240,255,0.4);
        transform: translateY(-4px);
        box-shadow: 0 12px 30px rgba(0,0,0,0.3);
    }

    .feature-card.col-4 {
        grid-column: span 4;
    }

    .feature-card.col-6 {
        grid-column: span 6;
    }

    .feature-card.col-8 {
        grid-column: span 8;
    }

    .feature-card.col-12 {
        grid-column: span 12;
    }

    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius-md);
        background: rgba(0,240,255,0.1);
        border: 1px solid rgba(0,240,255,0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        font-size: 1.4rem;
        color: var(--accent-cyan);
        transition: var(--transition);
    }

    .feature-card:hover .feature-icon {
        background: rgba(0,240,255,0.2);
        box-shadow: 0 0 20px rgba(0,240,255,0.3);
    }

    .feature-card h3 {
        font-size: 1.2rem;
        font-weight: 800;
        margin-bottom: 10px;
        letter-spacing: -0.3px;
    }

    .feature-card p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.65;
    }

    /* Weapon List */
    .weapon-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .weapon-item {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 20px 0;
        border-bottom: 1px dashed rgba(255,255,255,0.08);
    }

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

    .weapon-num {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
        color: #0F0C20;
        font-weight: 900;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

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

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

    /* Tips Section */
    .tips-showcase {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        align-items: start;
    }

    .tips-image-wrapper {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid rgba(0,240,255,0.25);
        box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        position: relative;
    }

    .tips-image-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        min-height: 420px;
    }

    .tips-image-wrapper::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 50%, rgba(11,26,48,0.7) 100%);
        pointer-events: none;
    }

    .tips-content {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .tip-item {
        background: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        padding: 20px 22px;
        transition: var(--transition);
        display: flex;
        align-items: flex-start;
        gap: 14px;
    }

    .tip-item:hover {
        border-color: rgba(204,255,0,0.4);
        background: var(--bg-card-hover);
        transform: translateX(4px);
    }

    .tip-item i {
        color: var(--accent-lime);
        font-size: 1.2rem;
        margin-top: 3px;
        flex-shrink: 0;
    }

    .tip-item h4 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 5px;
    }

    .tip-item p {
        color: var(--text-secondary);
        font-size: 0.88rem;
        line-height: 1.6;
    }

    /* Boss Section */
    .boss-spotlight {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
        background: linear-gradient(135deg, rgba(0,240,255,0.06) 0%, rgba(204,255,0,0.04) 100%);
        border: 1px solid rgba(0,240,255,0.2);
        border-radius: var(--radius-xl);
        padding: 40px;
    }

    .boss-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid rgba(0,240,255,0.3);
        box-shadow: var(--shadow-neon);
    }

    .boss-image img {
        width: 100%;
        height: auto;
    }

    .boss-info h2 {
        font-size: 1.8rem;
        font-weight: 900;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }

    .boss-info p {
        color: var(--text-secondary);
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .boss-stat-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .boss-stat {
        text-align: center;
        background: rgba(255,255,255,0.05);
        border-radius: var(--radius-md);
        padding: 16px 12px;
        border: 1px solid rgba(255,255,255,0.1);
    }

    .boss-stat strong {
        display: block;
        font-size: 1.4rem;
        font-weight: 900;
        color: var(--accent-cyan);
        margin-bottom: 4px;
    }

    .boss-stat span {
        font-size: 0.8rem;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

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

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        overflow: hidden;
        transition: var(--transition);
    }

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

    .faq-question {
        width: 100%;
        padding: 18px 22px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        background: none;
        border: none;
        color: var(--text-primary);
        font-weight: 700;
        font-size: 1rem;
        cursor: pointer;
        text-align: left;
        transition: var(--transition);
    }

    .faq-question i {
        color: var(--accent-cyan);
        transition: transform var(--transition);
        flex-shrink: 0;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 22px;
    }

    .faq-answer.open {
        max-height: 300px;
        padding: 0 22px 20px;
    }

    .faq-answer p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* CTA Section */
    .cta-section {
        background: linear-gradient(135deg, rgba(0,240,255,0.08) 0%, rgba(204,255,0,0.06) 100%);
        border: 1px solid rgba(0,240,255,0.25);
        border-radius: var(--radius-xl);
        padding: 50px 40px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at 50% 50%, rgba(0,240,255,0.05) 0%, transparent 60%);
        pointer-events: none;
        animation: ctaPulse 5s ease-in-out infinite;
    }

    @keyframes ctaPulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.1); }
    }

    .cta-section h2 {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 900;
        margin-bottom: 14px;
        letter-spacing: -0.5px;
        position: relative;
        z-index: 1;
    }

    .cta-section p {
        color: var(--text-secondary);
        font-size: 1.05rem;
        max-width: 550px;
        margin: 0 auto 28px;
        line-height: 1.7;
        position: relative;
        z-index: 1;
    }

    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    /* Bottom Fixed Bar */
    .bottom-fixed-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 999;
        background: rgba(15, 12, 32, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(0,240,255,0.25);
        padding: 12px 0;
        transform: translateY(100%);
        transition: transform 0.4s ease;
    }

    .bottom-fixed-bar.visible {
        transform: translateY(0);
    }

    .bottom-bar-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .bottom-bar-text {
        font-weight: 700;
        font-size: 0.95rem;
        color: var(--text-primary);
    }

    .bottom-bar-text span {
        color: var(--accent-lime);
    }

    .bottom-bar-buttons {
        display: flex;
        gap: 10px;
    }

    /* Social Proof */
    .proof-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .proof-card {
        background: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        padding: 22px 20px;
        text-align: center;
        transition: var(--transition);
    }

    .proof-card:hover {
        border-color: rgba(0,240,255,0.3);
        background: var(--bg-card-hover);
        transform: translateY(-3px);
    }

    .proof-card strong {
        display: block;
        font-size: 2rem;
        font-weight: 900;
        color: var(--accent-cyan);
        margin-bottom: 6px;
        letter-spacing: -0.5px;
    }

    .proof-card span {
        font-size: 0.85rem;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* Footer */
    .footer {
        background: #0A0818;
        border-top: 1px solid rgba(0,240,255,0.15);
        padding: 50px 0 30px;
        margin-top: 70px;
    }

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

    .footer-brand p {
        color: var(--text-secondary);
        font-size: 0.9rem;
        margin-top: 14px;
        max-width: 320px;
        line-height: 1.6;
    }

    .footer-col h4 {
        font-size: 1rem;
        font-weight: 800;
        margin-bottom: 16px;
        color: var(--text-primary);
    }

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

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

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

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

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }

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

    .payment-badges {
        display: flex;
        gap: 10px;
    }

    .payment-badges span {
        padding: 6px 14px;
        border-radius: 50px;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.12);
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--text-secondary);
    }

    /* FAB */
    .fab-left {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 60;
    }

    .fab-btn {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        border: 2px solid transparent;
        background: linear-gradient(135deg, rgba(0,240,255,0.2), rgba(204,255,0,0.2));
        background-clip: padding-box;
        border-image: linear-gradient(135deg, #00F0FF, #CCFF00) 1;
        color: var(--text-primary);
        font-size: 1.3rem;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 15px rgba(0,240,255,0.5);
        position: relative;
        animation: fabFloat 3s ease-in-out infinite;
        opacity: 0.6;
    }

    .fab-btn:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 0 25px rgba(0,240,255,0.7);
    }

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

    .fab-btn .notification-dot {
        position: absolute;
        top: 4px;
        right: 4px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #FF007F;
        animation: dotPulse 1.5s ease-in-out infinite;
    }

    @keyframes fabFloat {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .hero .container {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .feature-card.col-4,
        .feature-card.col-6,
        .feature-card.col-8 {
            grid-column: span 6;
        }

        .feature-card.col-12 {
            grid-column: span 12;
        }

        .proof-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .boss-spotlight {
            grid-template-columns: 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .nav-links {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 20px;
            border-bottom: 1px solid rgba(0,240,255,0.2);
        }

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

        .menu-toggle {
            display: block;
        }

        .hero {
            padding: 50px 0 40px;
        }

        .hero h1 {
            font-size: 1.8rem;
        }

        .section {
            padding: 45px 0;
        }

        .feature-card.col-4,
        .feature-card.col-6,
        .feature-card.col-8,
        .feature-card.col-12 {
            grid-column: span 12;
        }

        .tips-showcase {
            grid-template-columns: 1fr;
        }

        .tips-image-wrapper img {
            min-height: 240px;
        }

        .boss-stat-row {
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .bottom-bar-content {
            flex-direction: column;
            text-align: center;
            gap: 10px;
        }

        .bottom-bar-buttons {
            width: 100%;
            justify-content: center;
        }

        .cta-section {
            padding: 32px 20px;
        }

        .hero-form {
            padding: 20px;
        }
    }

    @media (max-width: 520px) {
        .nav-actions .btn-outline,
        .nav-actions .btn-primary {
            padding: 8px 14px;
            font-size: 0.8rem;
        }

        .hero h1 {
            font-size: 1.5rem;
        }

        .hero-desc {
            font-size: 0.95rem;
        }

        .proof-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .boss-stat-row {
            grid-template-columns: 1fr;
        }

        .fab-btn {
            width: 48px;
            height: 48px;
            font-size: 1.1rem;
        }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border-card: rgba(255, 255, 255, 0.12);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.4);
            --shadow-neon-strong: 0 0 35px rgba(0, 240, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Be Vietnam Pro', sans-serif;
            --bootstrap-override: #0F0C20;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(204, 255, 0, 0.04) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        /* Header & Navigation - dùng chung với trang chủ */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 16px 0;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            color: var(--text-primary);
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.7));
        }

        .logo-text {
            background: linear-gradient(135deg, #fff 0%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            transition: width var(--transition);
            border-radius: 2px;
        }

        .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-outline {
            padding: 10px 22px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }

        .btn-primary {
            padding: 10px 24px;
            border-radius: 50px;
            border: none;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
        }

        .btn-primary:active,
        .btn-outline:active {
            transform: scale(0.97);
        }

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

        /* Nút phụ */
        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--accent-lime);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 50px;
        }

        /* Hero của trang Khuyến mãi */
        .promo-hero {
            position: relative;
            padding: 70px 0 60px;
            overflow: hidden;
            background: linear-gradient(165deg, rgba(11, 26, 48, 0.95) 0%, rgba(15, 12, 32, 0.88) 100%);
        }

        .promo-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .promo-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 40%, rgba(0, 240, 255, 0.12) 0%, transparent 55%),
                radial-gradient(circle at 30% 70%, rgba(204, 255, 0, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .promo-hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 50px;
            align-items: center;
        }

        .promo-hero-left {
            text-align: left;
        }

        .promo-tag {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.35);
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .promo-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fff 20%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .promo-hero-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .promo-cta-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .team-progress {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            max-width: 480px;
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .team-progress-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .team-progress-info {
            flex: 1;
        }

        .team-progress-info h4 {
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .team-progress-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .team-progress-fill {
            height: 100%;
            width: 62%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 10px;
        }

        .team-progress-meta {
            font-size: 0.78rem;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
        }

        .team-progress-meta strong {
            color: var(--accent-lime);
        }

        .promo-hero-right {
            position: relative;
        }

        .promo-hero-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 240, 255, 0.08);
        }

        .promo-hero-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }

        .promo-hero-card-body {
            padding: 22px 24px;
        }

        .promo-hero-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .promo-hero-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .promo-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }

        .promo-stat {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 12px 10px;
            text-align: center;
        }

        .promo-stat-number {
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            display: block;
        }

        .promo-stat-label {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* Section chung */
        .section {
            padding: 60px 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            text-align: left;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 620px;
            margin-bottom: 36px;
            line-height: 1.7;
            text-align: left;
        }

        /* Bố cục không đối xứng cho mục ưu đãi nổi bật */
        .promo-spotlight {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .promo-spotlight-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
            position: relative;
        }

        .promo-spotlight-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 12, 32, 0.6) 100%);
            pointer-events: none;
        }

        .promo-spotlight-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        .promo-spotlight-content {
            text-align: left;
        }

        .promo-spotlight-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .promo-spotlight-content p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .promo-highlight-list {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
        }

        .promo-highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }

        .promo-highlight-list li i {
            color: var(--accent-lime);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Bước nhận ưu đãi */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 240, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.15);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 900;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .step-item h4 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* Lưới ưu đãi */
        .promo-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 240, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
        }

        .promo-card-image {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

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

        .promo-card:hover .promo-card-image img {
            transform: scale(1.06);
        }

        .promo-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(15, 12, 32, 0.8);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(204, 255, 0, 0.5);
            color: var(--accent-lime);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .promo-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .promo-card-body h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .promo-card-body p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .promo-card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .promo-value {
            font-weight: 900;
            font-size: 1.05rem;
            color: var(--accent-cyan);
        }

        .btn-small {
            padding: 8px 18px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.8rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-small:hover {
            background: rgba(0, 240, 255, 0.18);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
        }

        /* Phản hồi người chơi */
        .feedback-panel {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            align-items: center;
        }

        .feedback-quote {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-primary);
            font-style: italic;
            margin-bottom: 18px;
        }

        .feedback-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .feedback-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), #0066aa);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .feedback-author strong {
            display: block;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        .feedback-author span {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .feedback-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .feedback-stat {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            text-align: center;
        }

        .feedback-stat strong {
            display: block;
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-lime);
            margin-bottom: 4px;
        }

        .feedback-stat span {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: left;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        /* CTA cuối */
        .cta-section {
            padding: 70px 0;
            position: relative;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.06) 0%, rgba(204, 255, 0, 0.04) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #fff 30%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.6), rgba(15, 12, 32, 0.6)),
                linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.6;
            transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: neonFlow 3s linear infinite;
        }

        @keyframes neonFlow {
            0%,
            100% {
                filter: brightness(1);
            }
            50% {
                filter: brightness(1.4);
            }
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.8);
            animation-play-state: paused;
        }

        .fab-left:active {
            transform: scale(0.95);
            border-color: var(--accent-lime);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.7);
        }

        .fab-left .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #ff007f;
            border: 2px solid #0F0C20;
            animation: blinkBadge 1.6s ease-in-out infinite;
        }

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

        /* Footer - dùng chung */
        .footer {
            background: #0A0818;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 50px 0 20px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: left;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.86rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.78rem;
            margin: 0;
        }

        .payment-badges {
            display: flex;
            gap: 8px;
        }

        .payment-badges span {
            padding: 5px 12px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
            font-size: 0.72rem;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .promo-hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .promo-spotlight {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .promo-spotlight-image img {
                height: 250px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .promo-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feedback-panel {
                grid-template-columns: 1fr;
            }
        }

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

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 0;
                padding: 16px 0;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                display: none;
                z-index: 999;
            }

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

            .nav-links li {
                width: 100%;
                text-align: center;
            }

            .nav-links a {
                display: block;
                padding: 14px 20px;
                font-size: 1rem;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-actions {
                margin-left: auto;
            }

            .menu-toggle {
                display: block;
                font-size: 1.6rem;
            }

            .nav-actions .btn-outline,
            .nav-actions .btn-primary {
                padding: 9px 16px;
                font-size: 0.8rem;
            }

            .promo-hero {
                padding: 50px 0 40px;
            }

            .promo-hero h1 {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }

            .promo-cta-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .promo-cta-btns .btn-primary,
            .promo-cta-btns .btn-secondary {
                width: 100%;
                text-align: center;
            }

            .team-progress {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .promo-hero-card img {
                height: 200px;
            }

            .promo-cards-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

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

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .header {
                padding: 12px 0;
            }

            .nav {
                gap: 12px;
            }

            .nav-actions .btn-outline {
                display: none;
            }

            .promo-hero {
                padding: 36px 0 30px;
            }

            .promo-tag {
                font-size: 0.75rem;
                padding: 6px 14px;
            }

            .promo-hero-card-body {
                padding: 16px 18px;
            }

            .promo-stats {
                grid-template-columns: 1fr;
                gap: 6px;
            }

            .section {
                padding: 40px 0;
            }

            .feedback-panel {
                padding: 22px 18px;
            }

            .feedback-stats {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .cta-section {
                padding: 44px 0;
            }
        }