/* roulang page: index */
/* ===== DESIGN SYSTEM VARIABLES ===== */
:root {
  --ph-bg-deep: #070812;
  --ph-bg-surface: #0d0e1a;
  --ph-bg-card: rgba(15, 18, 35, 0.75);
  --ph-accent-cyan: #06B6D4;
  --ph-accent-lime: #A3E635;
  --ph-accent-pink: #F43F5E;
  --ph-text-primary: #FFFFFF;
  --ph-text-secondary: #94A3B8;
  --ph-border-subtle: rgba(148, 163, 184, 0.18);
  --ph-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
  --ph-glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
  --ph-glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
  --ph-radius-sm: 8px;
  --ph-radius-md: 14px;
  --ph-radius-lg: 22px;
  --ph-shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
  --ph-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
  --ph-transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--ph-bg-deep);
  color: var(--ph-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, .button { cursor: pointer; font-family: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7, 8, 18, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ph-border-subtle);
  padding: 8px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 20px;
}
.logo {
  font-size: 1.1rem; font-weight: 700; letter-spacing: 0.015em;
  color: var(--ph-accent-cyan); white-space: nowrap;
}
.logo i { margin-right: 7px; color: var(--ph-accent-lime); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-weight: 500; font-size: 0.95rem; color: var(--ph-text-secondary);
  padding: 5px 2px; border-bottom: 2px solid transparent;
  transition: color var(--ph-transition), border-color var(--ph-transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ph-accent-cyan); border-bottom-color: var(--ph-accent-cyan);
}
.header-actions { display: flex; gap: 12px; align-items: center; }
.btn-login {
  background: transparent; border: 1px solid var(--ph-accent-cyan);
  color: var(--ph-accent-cyan); padding: 9px 20px; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem; transition: all var(--ph-transition);
}
.btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--ph-glow-cyan); }
.btn-signup {
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  border: none; color: #070812; padding: 9px 22px; border-radius: 8px;
  font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-lime);
  transition: all var(--ph-transition);
}
.btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; color: var(--ph-text-primary); font-size: 1.5rem; }

/* ===== HERO (Group-Buy Layout) ===== */
.hero-section {
  margin-top: 72px; padding: 50px 0 40px;
  background: radial-gradient(ellipse at 30% 40%, rgba(6, 182, 212, 0.12) 0%, transparent 55%),
              radial-gradient(ellipse at 70% 60%, rgba(163, 230, 53, 0.07) 0%, transparent 55%);
}
.hero-group-buy {
  display: grid; grid-template-columns: 1fr 1fr; gap: 45px; align-items: center;
}
.hero-info h1 {
  font-size: 2.5rem; font-weight: 800; line-height: 1.25; margin-bottom: 18px;
  background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-info .hero-desc {
  font-size: 1.08rem; color: var(--ph-text-secondary); line-height: 1.7;
  margin-bottom: 24px; max-width: 520px;
}
.group-count { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.group-count .avatars { display: flex; gap: -8px; }
.group-count .avatar-dot {
  width: 32px; height: 32px; border-radius: 50%; background: var(--ph-accent-cyan);
  border: 2px solid var(--ph-bg-deep); margin-left: -10px;
}
.group-count .avatar-dot:first-child { margin-left: 0; }
.group-count span { font-weight: 700; color: var(--ph-accent-lime); }
.hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-glow {
  background: linear-gradient(135deg, #06B6D4, #A3E635); border: none; color: #070812;
  padding: 14px 30px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
}
.btn-primary-glow:hover { box-shadow: 0 0 28px rgba(163, 230, 53, 0.5); transform: translateY(-2px); }
.btn-secondary-glow {
  background: transparent; border: 1.5px solid var(--ph-accent-pink); color: var(--ph-accent-pink);
  padding: 14px 28px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  transition: all var(--ph-transition);
}
.btn-secondary-glow:hover { box-shadow: var(--ph-glow-pink); background: rgba(244, 63, 94, 0.08); }
.hero-visual {
  background: rgba(13, 14, 26, 0.7); backdrop-filter: blur(8px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 24px; position: relative;
}
.hero-visual img { border-radius: var(--ph-radius-md); width: 100%; }
.hero-badge {
  position: absolute; top: -12px; right: -10px;
  background: var(--ph-accent-pink); color: #fff; padding: 6px 14px;
  border-radius: 20px; font-weight: 700; font-size: 0.8rem;
  box-shadow: var(--ph-glow-pink);
}

/* ===== GLOBAL COVERAGE ===== */
.section-block { padding: 55px 0; }
.section-label {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ph-accent-cyan); font-weight: 600; margin-bottom: 10px;
}
.section-title { font-size: 1.85rem; font-weight: 700; margin-bottom: 14px; }
.section-desc { color: var(--ph-text-secondary); font-size: 1rem; line-height: 1.65; max-width: 650px; }
.coverage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 22px; margin-top: 32px; }
.coverage-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 22px 18px; text-align: center; transition: all var(--ph-transition);
}
.coverage-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); transform: translateY(-3px); }
.coverage-card i { font-size: 2rem; color: var(--ph-accent-lime); margin-bottom: 10px; }
.coverage-card h4 { font-weight: 700; margin: 6px 0; }
.coverage-card p { font-size: 0.9rem; color: var(--ph-text-secondary); }

/* ===== SCENARIO CARDS ===== */
.scenario-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 30px; }
.scenario-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  overflow: hidden; transition: all var(--ph-transition);
}
.scenario-card:hover { border-color: var(--ph-accent-pink); box-shadow: var(--ph-glow-pink); transform: translateY(-4px); }
.scenario-card img { width: 100%; height: 180px; object-fit: cover; }
.scenario-card .scenario-body { padding: 18px; }
.scenario-card h4 { font-weight: 700; margin-bottom: 8px; }
.scenario-card p { font-size: 0.92rem; color: var(--ph-text-secondary); }

/* ===== LOCALIZATION ===== */
.local-features { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 30px; }
.local-item { flex: 1 1 240px; display: flex; gap: 14px; align-items: flex-start; }
.local-item i { font-size: 1.8rem; color: var(--ph-accent-lime); margin-top: 4px; }
.local-item h5 { font-weight: 700; margin-bottom: 4px; }
.local-item p { font-size: 0.9rem; color: var(--ph-text-secondary); }

/* ===== CUSTOMER CASES (Data Metrics) ===== */
.metrics-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 22px; margin-top: 30px; }
.metric-card {
  background: var(--ph-bg-card); border: 1px solid var(--ph-border-subtle);
  border-radius: var(--ph-radius-md); padding: 24px 18px; text-align: center;
  transition: all var(--ph-transition);
}
.metric-card:hover { border-color: var(--ph-accent-lime); box-shadow: var(--ph-glow-lime); }
.metric-number { font-size: 2.4rem; font-weight: 800; color: var(--ph-accent-cyan); }
.metric-label { font-size: 0.9rem; color: var(--ph-text-secondary); margin-top: 6px; }

/* ===== CMS NEWS LIST ===== */
.news-layout { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 35px; margin-top: 30px; }
.news-list .news-item {
  display: flex; gap: 18px; padding: 16px 0;
  border-bottom: 1px solid var(--ph-border-subtle); align-items: center;
}
.news-item img { width: 90px; height: 68px; border-radius: var(--ph-radius-sm); object-fit: cover; flex-shrink: 0; }
.news-item h5 { font-weight: 700; margin-bottom: 4px; font-size: 0.98rem; }
.news-item .news-date { font-size: 0.8rem; color: var(--ph-accent-cyan); }
.news-sidebar { background: var(--ph-bg-card); border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md); padding: 22px; }
.news-sidebar h5 { font-weight: 700; margin-bottom: 12px; color: var(--ph-accent-lime); }

/* ===== CONTACT / CTA ===== */
.contact-cta {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(163, 230, 53, 0.08));
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 40px 30px; text-align: center;
}
.contact-cta h3 { font-size: 1.75rem; font-weight: 700; margin-bottom: 10px; }
.contact-cta p { color: var(--ph-text-secondary); max-width: 480px; margin: 0 auto 20px; }

/* ===== FOOTER ===== */
.site-footer {
  background: rgba(9, 10, 22, 0.9); border-top: 1px solid var(--ph-border-subtle);
  padding: 38px 0 24px; margin-top: 30px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 30px; }
.footer-col h5 { font-weight: 700; margin-bottom: 12px; color: var(--ph-accent-cyan); }
.footer-col a { display: block; color: var(--ph-text-secondary); font-size: 0.9rem; margin-bottom: 8px; transition: color var(--ph-transition); }
.footer-col a:hover { color: var(--ph-accent-lime); }
.footer-bottom { text-align: center; padding-top: 20px; margin-top: 20px; border-top: 1px solid var(--ph-border-subtle); color: var(--ph-text-secondary); font-size: 0.85rem; }

/* ===== FAB ===== */
.fab-cyber {
  position: fixed; left: 18px; bottom: 90px; z-index: 99;
  width: 56px; height: 56px; border-radius: 16px;
  background: rgba(7, 8, 18, 0.85); backdrop-filter: blur(10px);
  border: 2px solid transparent;
  background-clip: padding-box;
  display: flex; align-items: center; justify-content: center;
  color: var(--ph-accent-cyan); font-size: 1.5rem;
  box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
  cursor: pointer;
}
.fab-cyber::before {
  content: ''; position: absolute; inset: -3px; z-index: -1; border-radius: 19px;
  background: linear-gradient(135deg, #A3E635, #06B6D4, #F43F5E);
  opacity: 0.75;
}
.fab-cyber:hover { transform: scale(1.08); }
.fab-cyber .notification-dot {
  position: absolute; top: -4px; right: -4px; width: 12px; height: 12px;
  background: var(--ph-accent-pink); border-radius: 50%; border: 2px solid var(--ph-bg-deep);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-group-buy { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .hero-info h1 { font-size: 1.9rem; }
  .section-title { font-size: 1.5rem; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .hero-cta-group { flex-direction: column; }
  .coverage-grid { grid-template-columns: 1fr 1fr; }
   .metrics-row { grid-template-columns: 1fr 1fr; }
  .header-actions { gap: 8px; }
  .btn-login, .btn-signup { padding: 7px 14px; font-size: 0.82rem; }
}

/* roulang page: article */
/* ===== DESIGN SYSTEM VARIABLES ===== */
  :root {
    --ph-bg-deep: #070812;
    --ph-bg-surface: #0d0e1a;
    --ph-bg-card: rgba(15, 18, 35, 0.75);
    --ph-accent-cyan: #06B6D4;
    --ph-accent-lime: #A3E635;
    --ph-accent-pink: #F43F5E;
    --ph-text-primary: #FFFFFF;
    --ph-text-secondary: #94A3B8;
    --ph-border-subtle: rgba(148, 163, 184, 0.18);
    --ph-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
    --ph-glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
    --ph-glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
    --ph-radius-sm: 8px;
    --ph-radius-md: 14px;
    --ph-radius-lg: 22px;
    --ph-shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
    --ph-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
    --ph-transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
  }
  
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  
  body {
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--ph-bg-deep);
    color: var(--ph-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; }
  button, .button { cursor: pointer; font-family: inherit; }
  
  .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
  
  /* ===== HEADER / NAV ===== */
  .site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 999;
    background: rgba(7, 8, 18, 0.82); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--ph-border-subtle);
    padding: 8px 0;
  }
  
  .header-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1280px; margin: 0 auto; padding: 0 20px;
  }
  
  .logo {
    font-size: 1.1rem; font-weight: 700; letter-spacing: 0.015em;
    color: var(--ph-accent-cyan); white-space: nowrap;
  }
  
  .logo i { margin-right: 7px; color: var(--ph-accent-lime); }
  
  .nav-links { display: flex; gap: 28px; align-items: center; }
  .nav-links a {
    font-weight: 500; font-size: 0.95rem; color: var(--ph-text-secondary);
    padding: 5px 2px; border-bottom: 2px solid transparent;
    transition: color var(--ph-transition), border-color var(--ph-transition);
  }
  .nav-links a:hover, .nav-links a.active {
    color: var(--ph-accent-cyan); border-bottom-color: var(--ph-accent-cyan);
  }
  
  .header-actions { display: flex; gap: 12px; align-items: center; }
  .btn-login {
    background: transparent; border: 1px solid var(--ph-accent-cyan);
    color: var(--ph-accent-cyan); padding: 9px 20px; border-radius: 8px;
    font-weight: 600; font-size: 0.9rem; transition: all var(--ph-transition);
  }
  .btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--ph-glow-cyan); }
  
  .btn-signup {
    background: linear-gradient(135deg, #A3E635, #06B6D4);
    border: none; color: #070812; padding: 9px 22px; border-radius: 8px;
    font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-lime);
    transition: all var(--ph-transition);
  }
  .btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
  
  .mobile-menu-toggle { display: none; background: none; border: none; color: var(--ph-text-primary); font-size: 1.5rem; }
  
  /* ===== ARTICLE HERO (Live Countdown Banner) ===== */
  .article-hero {
    margin-top: 72px; padding: 48px 0 36px;
    background: radial-gradient(ellipse at 30% 40%, rgba(6, 182, 212, 0.15) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(163, 230, 53, 0.08) 0%, transparent 55%);
    border-bottom: 1px solid var(--ph-border-subtle);
  }
  
  .hero-countdown-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  }
  
  .hero-live-preview {
    position: relative;
    border-radius: var(--ph-radius-lg);
    overflow: hidden;
    border: 1.5px solid var(--ph-border-subtle);
    box-shadow: var(--ph-shadow-elevated);
  }
  
  .hero-live-preview img {
    width: 100%; height: auto; object-fit: cover; aspect-ratio: 16/10;
  }
  
  .live-badge {
    position: absolute; top: 14px; left: 14px;
    background: var(--ph-accent-pink); color: #fff; padding: 5px 14px;
    border-radius: 20px; font-weight: 700; font-size: 0.78rem;
    box-shadow: var(--ph-glow-pink); display: flex; align-items: center; gap: 6px;
  }
  
  .live-badge i { font-size: 0.6rem; animation: blink 1.4s infinite; }
  
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }
  
  .hero-countdown-info h1 {
    font-size: 2.1rem; font-weight: 800; line-height: 1.3; margin-bottom: 14px;
    background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
  }
  
  .hero-meta {
    display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 18px;
    font-size: 0.9rem; color: var(--ph-text-secondary);
  }
  .hero-meta span { display: flex; align-items: center; gap: 6px; }
  .hero-meta i { color: var(--ph-accent-cyan); }
  
  .countdown-box {
    background: rgba(13, 14, 26, 0.8); border: 1px solid var(--ph-border-subtle);
    border-radius: var(--ph-radius-md); padding: 18px 24px; margin-bottom: 22px;
    display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  }
  
  .countdown-timer {
    font-size: 2.2rem; font-weight: 800; color: var(--ph-accent-lime);
    font-variant-numeric: tabular-nums; display: flex; gap: 6px; align-items: center;
  }
  
  .countdown-timer span {
    background: var(--ph-bg-surface); padding: 6px 10px; border-radius: 6px;
    min-width: 48px; text-align: center; font-size: 1.7rem;
  }
  
  .countdown-label { font-size: 0.85rem; color: var(--ph-text-secondary); }
  
  .btn-remind {
    background: linear-gradient(135deg, #F43F5E, #06B6D4); border: none;
    color: #fff; padding: 12px 24px; border-radius: 10px;
    font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-pink);
    transition: all var(--ph-transition);
  }
  .btn-remind:hover { box-shadow: 0 0 22px rgba(244, 63, 94, 0.5); transform: translateY(-1px); }
  
  .hero-summary {
    font-size: 1rem; color: var(--ph-text-secondary); line-height: 1.65;
    max-width: 520px;
  }
  
  /* ===== MAIN CONTENT (630px narrow column + sidebar) ===== */
  .article-main {
    padding: 40px 0 50px;
  }
  
  .article-grid {
    display: grid; grid-template-columns: 1fr 320px; gap: 45px; align-items: start;
  }
  
  .article-body {
    max-width: 630px;
  }
  
  .article-content {
    font-size: 1.02rem; line-height: 1.75; color: #e2e8f0;
  }
  
  .article-content h2 {
    font-size: 1.6rem; font-weight: 700; margin: 28px 0 14px; color: #fff;
  }
  
  .article-content h3 {
    font-size: 1.3rem; font-weight: 650; margin: 22px 0 12px; color: var(--ph-accent-cyan);
  }
  
  .article-content p { margin-bottom: 16px; }
  
  .article-content ul, .article-content ol {
    margin: 16px 0 16px 24px; color: var(--ph-text-secondary);
  }
  
  .article-content li { margin-bottom: 8px; }
  
  .article-content img {
    border-radius: var(--ph-radius-md); margin: 20px 0; box-shadow: var(--ph-shadow-card);
  }
  
  /* ===== SIDEBAR ===== */
  .article-sidebar {
    position: sticky; top: 90px;
  }
  
  .sidebar-card {
    background: var(--ph-bg-card); backdrop-filter: blur(8px);
    border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
    padding: 22px; margin-bottom: 22px;
  }
  
  .sidebar-card h5 {
    font-size: 1.05rem; font-weight: 700; margin-bottom: 14px; color: var(--ph-accent-lime);
  }
  
  .sidebar-toc a {
    display: block; padding: 7px 0; font-size: 0.9rem; color: var(--ph-text-secondary);
    border-bottom: 1px solid var(--ph-border-subtle); transition: all var(--ph-transition);
  }
  .sidebar-toc a:hover { color: var(--ph-accent-cyan); padding-left: 5px; }
  .sidebar-toc a i { margin-right: 8px; font-size: 0.7rem; color: var(--ph-accent-cyan); }
  
  .sidebar-cta {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(163, 230, 53, 0.08));
    border: 1px solid var(--ph-accent-cyan); border-radius: var(--ph-radius-md);
    padding: 20px; text-align: center;
  }
  
  .sidebar-cta h5 { color: var(--ph-accent-lime); margin-bottom: 10px; font-size: 1rem; }
  .sidebar-cta p { font-size: 0.85rem; color: var(--ph-text-secondary); margin-bottom: 14px; }
  
  .btn-sidebar-cta {
    background: linear-gradient(135deg, #06B6D4, #A3E635); border: none;
    color: #070812; padding: 10px 22px; border-radius: 8px;
    font-weight: 700; font-size: 0.88rem; box-shadow: var(--ph-glow-cyan);
    transition: all var(--ph-transition); display: inline-block;
  }
  .btn-sidebar-cta:hover { box-shadow: 0 0 20px rgba(163, 230, 53, 0.5); transform: translateY(-1px); }
  
  /* ===== NOT FOUND STATE ===== */
  .not-found {
    text-align: center; padding: 60px 20px;
    background: var(--ph-bg-card); border-radius: var(--ph-radius-lg);
    border: 1px solid var(--ph-border-subtle);
  }
  .not-found i { font-size: 3rem; color: var(--ph-accent-pink); margin-bottom: 16px; }
  .not-found h3 { font-size: 1.5rem; margin-bottom: 10px; }
  .not-found p { color: var(--ph-text-secondary); margin-bottom: 20px; }
  .not-found a {
    color: var(--ph-accent-cyan); font-weight: 600; border-bottom: 1px solid var(--ph-accent-cyan);
  }
  
  /* ===== CTA SECTION ===== */
  .cta-section {
    padding: 52px 0; text-align: center;
    background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
    border-top: 1px solid var(--ph-border-subtle);
    border-bottom: 1px solid var(--ph-border-subtle);
  }
  
  .cta-box {
    max-width: 620px; margin: 0 auto; padding: 36px 24px;
    background: var(--ph-bg-card); border-radius: var(--ph-radius-lg);
    border: 1px solid var(--ph-border-subtle); box-shadow: var(--ph-shadow-elevated);
  }
  
  .cta-box h2 {
    font-size: 1.75rem; font-weight: 700; margin-bottom: 12px;
    color: var(--ph-accent-lime);
  }
  
  .cta-box p { color: var(--ph-text-secondary); margin-bottom: 20px; font-size: 1rem; }
  
  /* ===== FOOTER ===== */
  .site-footer {
    background: rgba(7, 8, 18, 0.95); border-top: 1px solid var(--ph-border-subtle);
    padding: 45px 0 30px; color: var(--ph-text-secondary);
  }
  
  .footer-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 32px;
  }
  
  .footer-col h5 {
    font-size: 1rem; font-weight: 700; margin-bottom: 14px; color: var(--ph-accent-cyan);
  }
  
  .footer-col a {
    display: block; font-size: 0.9rem; padding: 5px 0; color: var(--ph-text-secondary);
    transition: color var(--ph-transition);
  }
  .footer-col a:hover { color: var(--ph-accent-lime); }
  
  .footer-bottom {
    text-align: center; padding-top: 22px; border-top: 1px solid var(--ph-border-subtle);
    font-size: 0.88rem;
  }
  
  /* ===== FAB ===== */
  .fab-floating {
    position: fixed; left: 24px; bottom: 96px; z-index: 50;
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, #06B6D4, #A3E635);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.55);
    transition: all var(--ph-transition); opacity: 0.8;
    cursor: pointer; border: none; color: #070812; font-size: 1.5rem;
  }
  .fab-floating:hover {
    opacity: 1; transform: scale(1.12); box-shadow: 0 0 28px rgba(163, 230, 53, 0.6);
  }
  
  /* ===== RESPONSIVE ===== */
  @media screen and (max-width: 1024px) {
    .hero-countdown-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero-countdown-info h1 { font-size: 1.8rem; }
    .countdown-timer { font-size: 1.7rem; }
    .article-grid { grid-template-columns: 1fr; gap: 28px; }
    .article-body { max-width: 100%; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media screen and (max-width: 768px) {
    .mobile-menu-toggle { display: block; }
    .nav-links { display: none; }
    .header-actions { display: none; }
    .hero-countdown-info h1 { font-size: 1.5rem; }
    .countdown-timer { font-size: 1.4rem; }
    .countdown-box { flex-direction: column; align-items: flex-start; gap: 14px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .fab-floating { left: 16px; bottom: 80px; width: 50px; height: 50px; }
  }
  
  @media screen and (max-width: 520px) {
    .container { padding: 0 12px; }
    .hero-countdown-grid { gap: 18px; }
    .hero-meta { flex-direction: column; gap: 6px; }
    .hero-summary { max-width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
  }

/* roulang page: category1 */
/* ===== DESIGN SYSTEM VARIABLES ===== */
:root {
  --ph-bg-deep: #070812;
  --ph-bg-surface: #0d0e1a;
  --ph-bg-card: rgba(15, 18, 35, 0.75);
  --ph-accent-cyan: #06B6D4;
  --ph-accent-lime: #A3E635;
  --ph-accent-pink: #F43F5E;
  --ph-text-primary: #FFFFFF;
  --ph-text-secondary: #94A3B8;
  --ph-border-subtle: rgba(148, 163, 184, 0.18);
  --ph-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
  --ph-glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
  --ph-glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
  --ph-radius-sm: 8px;
  --ph-radius-md: 14px;
  --ph-radius-lg: 22px;
  --ph-shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
  --ph-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
  --ph-transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--ph-bg-deep);
  color: var(--ph-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, .button { cursor: pointer; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7, 8, 18, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ph-border-subtle); padding: 8px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 20px;
}
.logo {
  font-size: 1.1rem; font-weight: 700; letter-spacing: 0.015em;
  color: var(--ph-accent-cyan); white-space: nowrap;
}
.logo i { margin-right: 7px; color: var(--ph-accent-lime); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-weight: 500; font-size: 0.95rem; color: var(--ph-text-secondary);
  padding: 5px 2px; border-bottom: 2px solid transparent;
  transition: color var(--ph-transition), border-color var(--ph-transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ph-accent-cyan); border-bottom-color: var(--ph-accent-cyan);
}
.header-actions { display: flex; gap: 12px; align-items: center; }
.btn-login {
  background: transparent; border: 1px solid var(--ph-accent-cyan);
  color: var(--ph-accent-cyan); padding: 9px 20px; border-radius: var(--ph-radius-sm);
  font-weight: 600; font-size: 0.9rem; transition: all var(--ph-transition);
}
.btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--ph-glow-cyan); }
.btn-signup {
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  border: none; color: #070812; padding: 9px 22px; border-radius: var(--ph-radius-sm);
  font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-lime);
  transition: all var(--ph-transition);
}
.btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; color: var(--ph-text-primary); font-size: 1.5rem; }

/* ===== SECTION COMMONS ===== */
.section-block { padding: 55px 0; }
.section-label {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ph-accent-cyan); font-weight: 600; margin-bottom: 10px;
}
.section-title { font-size: 1.85rem; font-weight: 700; margin-bottom: 14px; line-height: 1.3; }
.section-desc { color: var(--ph-text-secondary); font-size: 1rem; line-height: 1.65; max-width: 650px; margin-bottom: 30px; }
.text-left { text-align: left; }

/* ===== PAGE HERO (VIDEO OFFICIAL) ===== */
.page-hero-video {
  margin-top: 72px; position: relative; overflow: hidden;
  min-height: 460px; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 30% 30%, rgba(6,182,212,0.18) 0%, transparent 55%),
              radial-gradient(ellipse at 70% 60%, rgba(163,230,53,0.07) 0%, transparent 55%);
}
.video-overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(0deg, rgba(7,8,18,0.82) 0%, rgba(7,8,18,0.5) 50%, rgba(7,8,18,0.78) 100%);
}
.video-bg {
  position: absolute; inset: 0; z-index: 1;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  filter: brightness(0.5) saturate(1.3);
}
.hero-content-overlay {
  position: relative; z-index: 3; text-align: center; max-width: 720px; padding: 40px 20px;
}
.hero-content-overlay h1 {
  font-size: 2.6rem; font-weight: 800; line-height: 1.2; margin-bottom: 18px;
  background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content-overlay .hero-desc {
  font-size: 1.08rem; color: var(--ph-text-secondary); line-height: 1.7; margin-bottom: 28px;
}
.hero-cta-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary-glow {
  background: linear-gradient(135deg, #06B6D4, #A3E635); border: none; color: #070812;
  padding: 14px 30px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
}
.btn-primary-glow:hover { box-shadow: 0 0 28px rgba(163,230,53,0.5); transform: translateY(-2px); }
.btn-secondary-glow {
  background: transparent; border: 1.5px solid var(--ph-accent-cyan); color: var(--ph-accent-cyan);
  padding: 14px 28px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  transition: all var(--ph-transition);
}
.btn-secondary-glow:hover { box-shadow: var(--ph-glow-cyan); background: rgba(6,182,212,0.1); }
.btn-play-icon {
  width: 62px; height: 62px; border-radius: 50%; background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px); border: 2px solid rgba(255,255,255,0.25);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff; margin-bottom: 20px; transition: all var(--ph-transition);
}
.btn-play-icon:hover { background: var(--ph-accent-pink); border-color: var(--ph-accent-pink); box-shadow: var(--ph-glow-pink); }

/* ===== METRICS DASHBOARD ===== */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; }
.metric-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 26px 22px; text-align: center; transition: all var(--ph-transition);
}
.metric-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); transform: translateY(-3px); }
.metric-value {
  font-size: 2.1rem; font-weight: 800; color: var(--ph-accent-lime);
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.metric-label { color: var(--ph-text-secondary); font-size: 0.9rem; margin-top: 6px; }

/* ===== GAME CARDS GRID ===== */
.game-catalog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.game-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  overflow: hidden; transition: all var(--ph-transition);
}
.game-card:hover { box-shadow: var(--ph-glow-cyan); transform: translateY(-4px); border-color: var(--ph-accent-cyan); }
.game-card-img { position: relative; overflow: hidden; }
.game-card-img img { width: 100%; height: 180px; object-fit: cover; transition: transform 0.4s ease; }
.game-card:hover .game-card-img img { transform: scale(1.06); }
.game-tag {
  position: absolute; top: 10px; right: 10px;
  background: var(--ph-accent-pink); color: #fff; padding: 4px 12px;
  border-radius: 16px; font-weight: 700; font-size: 0.75rem; box-shadow: var(--ph-glow-pink);
}
.game-card-body { padding: 20px; }
.game-card-body h4 { font-weight: 700; margin-bottom: 6px; }
.game-card-body p { font-size: 0.9rem; color: var(--ph-text-secondary); line-height: 1.5; }
.game-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; }
.game-provider { font-size: 0.85rem; color: var(--ph-accent-cyan); font-weight: 600; }
.game-btn {
  background: var(--ph-accent-cyan); border: none; color: #070812;
  padding: 7px 16px; border-radius: var(--ph-radius-sm); font-weight: 700;
  font-size: 0.85rem; transition: all var(--ph-transition);
}
.game-btn:hover { background: var(--ph-accent-lime); box-shadow: var(--ph-glow-lime); }

/* ===== COMPARISON TABLE ===== */
.comparison-table-wrapper { overflow-x: auto; margin-top: 24px; }
.comparison-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border-radius: var(--ph-radius-md); overflow: hidden;
  border: 1px solid var(--ph-border-subtle);
}
.comparison-table th {
  background: rgba(6,182,212,0.15); padding: 16px 18px; text-align: left;
  font-weight: 700; font-size: 0.95rem; color: var(--ph-accent-cyan);
}
.comparison-table td {
  padding: 14px 18px; border-top: 1px solid var(--ph-border-subtle);
  font-size: 0.9rem; color: var(--ph-text-secondary);
}
.comparison-table tr:first-child td { border-top: none; }
.comparison-table tr:hover td { background: rgba(6,182,212,0.06); }
.text-green { color: #10B981; font-weight: 600; }
.text-red { color: #F43F5E; font-weight: 600; }

/* ===== MILESTONE TIMELINE ===== */
.timeline-list { margin-top: 28px; }
.timeline-item {
  display: flex; gap: 20px; padding: 20px 0; border-left: 2px solid var(--ph-border-subtle);
  padding-left: 28px; position: relative;
}
.timeline-item::before {
  content: ''; position: absolute; left: -7px; top: 26px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan);
}
.timeline-year { font-weight: 800; color: var(--ph-accent-lime); min-width: 70px; font-size: 1.1rem; }
.timeline-body h4 { font-weight: 700; margin-bottom: 4px; }
.timeline-body p { color: var(--ph-text-secondary); font-size: 0.9rem; line-height: 1.5; }

/* ===== NEWS LIST ===== */
.news-list-section { background: var(--ph-bg-surface); }
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.news-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  overflow: hidden; transition: all var(--ph-transition);
}
.news-card:hover { box-shadow: var(--ph-shadow-card); transform: translateY(-3px); }
.news-card-img img { width: 100%; height: 170px; object-fit: cover; }
.news-card-body { padding: 18px; }
.news-card-body h5 { font-weight: 700; margin-bottom: 8px; font-size: 1.05rem; }
.news-card-body p { font-size: 0.9rem; color: var(--ph-text-secondary); }
.news-card-meta { font-size: 0.8rem; color: var(--ph-accent-cyan); margin-top: 10px; }
.news-empty { text-align: center; color: var(--ph-text-secondary); padding: 40px 0; }

/* ===== TRUST & BADGES ===== */
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; }
.trust-badge-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 20px; text-align: center; transition: all var(--ph-transition);
}
.trust-badge-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); }
.trust-badge-card i { font-size: 1.8rem; color: var(--ph-accent-lime); margin-bottom: 8px; }
.trust-badge-card h4 { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.trust-badge-card p { font-size: 0.82rem; color: var(--ph-text-secondary); }

/* ===== FAQ ===== */
.faq-section { background: var(--ph-bg-surface); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 22px 24px; margin-bottom: 14px; cursor: pointer;
  transition: all var(--ph-transition);
}
.faq-item:hover { border-color: var(--ph-accent-cyan); }
.faq-question { font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.faq-answer { margin-top: 12px; color: var(--ph-text-secondary); font-size: 0.95rem; line-height: 1.6; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-arrow { transition: transform 0.25s ease; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

/* ===== CONVERSION CTA ===== */
.cta-convert-block {
  background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(163,230,53,0.08));
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 40px 30px; text-align: center;
}

/* ===== FOOTER ===== */
.site-footer { padding: 45px 0 30px; background: var(--ph-bg-surface); border-top: 1px solid var(--ph-border-subtle); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 28px; margin-bottom: 28px; }
.footer-col h5 { font-weight: 700; margin-bottom: 14px; color: var(--ph-accent-cyan); }
.footer-col a { display: block; padding: 4px 0; color: var(--ph-text-secondary); font-size: 0.9rem; transition: color var(--ph-transition); }
.footer-col a:hover { color: var(--ph-accent-lime); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--ph-border-subtle); }
.footer-bottom p { color: var(--ph-text-secondary); font-size: 0.9rem; margin: 4px 0; }

/* ===== FAB ===== */
.fab-floating {
  position: fixed; left: 16px; bottom: 80px; z-index: 999;
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(13,14,26,0.85); backdrop-filter: blur(10px);
  border: 2px solid var(--ph-accent-cyan);
  color: var(--ph-accent-cyan); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
}
.fab-floating:hover { transform: scale(1.12); box-shadow: 0 0 26px rgba(6,182,212,0.6); background: rgba(6,182,212,0.2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content-overlay h1 { font-size: 2rem; }
  .section-title { font-size: 1.5rem; }
  .nav-links { gap: 18px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .hero-content-overlay h1 { font-size: 1.7rem; }
  .hero-content-overlay .hero-desc { font-size: 0.95rem; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .game-catalog-grid { grid-template-columns: 1fr; }
  .comparison-table th, .comparison-table td { padding: 10px 12px; font-size: 0.82rem; }
  .timeline-item { flex-direction: column; gap: 6px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .container { padding: 0 14px; }
  .metrics-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
}

/* roulang page: category2 */
:root {
  --bg-deep: #070812;
  --bg-surface: #0d0e1a;
  --bg-card: rgba(15, 18, 35, 0.75);
  --accent-cyan: #06B6D4;
  --accent-lime: #A3E635;
  --accent-pink: #F43F5E;
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --border-subtle: rgba(148, 163, 184, 0.18);
  --glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
  --glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
  --glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
  --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
  --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, .button { cursor: pointer; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7, 8, 18, 0.85); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 8px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
}
.logo {
  font-size: 1.05rem; font-weight: 700; letter-spacing: 0.015em;
  color: var(--accent-cyan); white-space: nowrap;
}
.logo i { margin-right: 7px; color: var(--accent-lime); }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  font-weight: 500; font-size: 0.92rem; color: var(--text-secondary);
  padding: 5px 2px; border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); }
.header-actions { display: flex; gap: 10px; align-items: center; }
.btn-login {
  background: transparent; border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan); padding: 8px 18px; border-radius: 8px;
  font-weight: 600; font-size: 0.88rem; transition: all var(--transition);
}
.btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--glow-cyan); }
.btn-signup {
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  border: none; color: #070812; padding: 8px 18px; border-radius: 8px;
  font-weight: 700; font-size: 0.88rem; box-shadow: var(--glow-lime);
  transition: all var(--transition);
}
.btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; }

/* HERO CREATOR */
.hero-section {
  margin-top: 72px; padding: 50px 0 40px;
  background: radial-gradient(ellipse at 30% 50%, rgba(6, 182, 212, 0.14) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(163, 230, 53, 0.06) 0%, transparent 60%);
}
.hero-creator { display: grid; grid-template-columns: 1fr 1.1fr; gap: 45px; align-items: center; }
.hero-creator-left { position: relative; }
.creator-avatar-wrap {
  position: relative; width: 180px; height: 180px; margin-bottom: 16px;
  border-radius: 50%; overflow: hidden; border: 3px solid var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}
.creator-avatar-wrap img { width: 100%; height: 100%; object-fit: cover; }
.creator-badge-live {
  position: absolute; bottom: 8px; right: 8px;
  background: var(--accent-pink); color: #fff; padding: 4px 12px;
  border-radius: 20px; font-weight: 700; font-size: 0.75rem;
  box-shadow: var(--glow-pink);
}
.creator-stats-row { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 14px; }
.stat-chip {
  background: var(--bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--border-subtle); border-radius: 24px;
  padding: 8px 16px; font-weight: 600; font-size: 0.9rem; color: var(--text-primary);
}
.stat-chip i { color: var(--accent-lime); margin-right: 6px; }
.hero-creator-right { text-align: left; }
.hero-creator-right h1 {
  font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px;
  background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-creator-right .hero-desc {
  font-size: 1.06rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 26px; max-width: 540px;
}
.hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-glow {
  background: linear-gradient(135deg, #06B6D4, #A3E635); border: none; color: #070812;
  padding: 14px 28px; border-radius: 12px; font-weight: 700; font-size: 0.98rem;
  box-shadow: var(--glow-cyan); transition: all var(--transition);
}
.btn-primary-glow:hover { box-shadow: 0 0 28px rgba(163, 230, 53, 0.5); transform: translateY(-2px); }
.btn-secondary-glow {
  background: transparent; border: 1.5px solid var(--accent-pink); color: var(--accent-pink);
  padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 0.98rem;
  transition: all var(--transition);
}
.btn-secondary-glow:hover { box-shadow: var(--glow-pink); background: rgba(244, 63, 94, 0.08); }

/* SECTION BLOCKS */
.section-block { padding: 55px 0; }
.section-label {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent-cyan); font-weight: 600; margin-bottom: 8px;
}
.section-title { font-size: 1.85rem; font-weight: 700; margin-bottom: 14px; }
.section-desc { color: var(--text-secondary); font-size: 1rem; line-height: 1.65; max-width: 660px; }
.text-left { text-align: left; }

/* METRIC DASHBOARD */
.metric-dashboard { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; margin-top: 28px; }
.metric-card {
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  padding: 26px 22px; text-align: left; transition: all var(--transition);
}
.metric-card:hover { border-color: var(--accent-cyan); box-shadow: var(--glow-cyan); transform: translateY(-3px); }
.metric-card i { font-size: 2rem; color: var(--accent-lime); margin-bottom: 10px; }
.metric-number { font-size: 2.1rem; font-weight: 800; color: var(--accent-cyan); margin: 6px 0; }
.metric-label { font-size: 0.95rem; color: var(--text-secondary); }

/* GAME MATRIX */
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px; margin-top: 28px; }
.game-card {
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  overflow: hidden; transition: all var(--transition);
  position: relative;
}
.game-card:hover { box-shadow: var(--glow-cyan); transform: translateY(-4px); border-color: var(--accent-cyan); }
.game-card img { width: 100%; height: 130px; object-fit: cover; }
.game-card-body { padding: 14px; }
.game-card-body h4 { font-weight: 700; font-size: 0.98rem; margin-bottom: 4px; }
.game-card-body p { font-size: 0.82rem; color: var(--text-secondary); }
.game-hot-tag {
  position: absolute; top: 10px; right: 10px;
  background: var(--accent-pink); color: #fff; padding: 3px 10px;
  border-radius: 14px; font-weight: 700; font-size: 0.7rem;
  box-shadow: var(--glow-pink);
}

/* SCENARIO CARDS */
.scenario-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 28px; }
.scenario-card {
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  padding: 30px 24px; text-align: left; transition: all var(--transition);
}
.scenario-card:hover { border-color: var(--accent-lime); box-shadow: var(--glow-lime); transform: translateY(-4px); }
.scenario-card i { font-size: 2.4rem; color: var(--accent-lime); margin-bottom: 12px; }
.scenario-card h4 { font-weight: 700; font-size: 1.15rem; margin-bottom: 8px; }
.scenario-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* COMPARISON TABLE */
.comparison-table-wrap { overflow-x: auto; margin-top: 24px; }
.comparison-table {
  width: 100%; border-collapse: collapse; border-radius: var(--radius-md); overflow: hidden;
}
.comparison-table th {
  background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); padding: 14px;
  font-weight: 700; text-align: left; font-size: 0.95rem;
}
.comparison-table td {
  background: var(--bg-card); border-bottom: 1px solid var(--border-subtle);
  padding: 14px; font-size: 0.93rem; color: var(--text-secondary);
}
.comparison-table tr:hover td { background: rgba(6, 182, 212, 0.06); }
.comp-highlight { color: var(--accent-lime); font-weight: 700; }

/* MILESTONE */
.milestone-timeline { display: flex; flex-direction: column; gap: 20px; margin-top: 24px; }
.milestone-item {
  display: flex; align-items: flex-start; gap: 18px;
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  padding: 20px 22px; transition: all var(--transition);
}
.milestone-item:hover { border-color: var(--accent-cyan); box-shadow: var(--glow-cyan); }
.milestone-icon {
  font-size: 2rem; color: var(--accent-lime); min-width: 44px; text-align: center;
}
.milestone-content h4 { font-weight: 700; margin-bottom: 4px; }
.milestone-content p { font-size: 0.92rem; color: var(--text-secondary); }

/* CONTENT LIST */
.content-list-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 24px; }
.content-card {
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column;
}
.content-card:hover { box-shadow: var(--shadow-elevated); transform: translateY(-3px); border-color: var(--accent-cyan); }
.content-card img { width: 100%; height: 150px; object-fit: cover; }
.content-card-body { padding: 16px; flex: 1; }
.content-card-body .post-date { font-size: 0.78rem; color: var(--accent-cyan); margin-bottom: 6px; }
.content-card-body h4 { font-weight: 700; font-size: 1rem; margin-bottom: 8px; line-height: 1.4; }
.content-card-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.content-card-body a { color: var(--accent-lime); font-weight: 600; font-size: 0.85rem; }
.content-card-body a:hover { text-decoration: underline; }

/* TRUST BADGES */
.trust-strip {
  display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: center;
  margin-top: 24px; padding: 22px; background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
}
.trust-strip .trust-item { display: flex; align-items: center; gap: 10px; }
.trust-strip .trust-item i { font-size: 1.8rem; color: var(--accent-lime); }
.trust-strip .trust-item span { font-weight: 600; font-size: 0.92rem; }

/* FAQ */
.faq-list { max-width: 760px; margin-top: 24px; }
.faq-item {
  background: var(--bg-card); backdrop-filter: blur(7px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
  padding: 18px 20px; margin-bottom: 12px; transition: all var(--transition);
}
.faq-item:hover { border-color: var(--accent-cyan); }
.faq-item h4 { font-weight: 700; margin-bottom: 6px; color: var(--accent-lime); cursor: pointer; }
.faq-item p { font-size: 0.93rem; color: var(--text-secondary); line-height: 1.6; display: none; }
.faq-item.open p { display: block; }

/* CTA CONVERT */
.cta-convert {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.18), rgba(163, 230, 53, 0.08));
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 40px 30px; text-align: center; margin-top: 28px;
}
.cta-convert h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 10px; }
.cta-convert p { color: var(--text-secondary); margin-bottom: 22px; }

/* FOOTER */
.site-footer {
  background: var(--bg-surface); border-top: 1px solid var(--border-subtle);
  padding: 45px 0 20px; margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 30px; }
.footer-col h5 { font-weight: 700; margin-bottom: 12px; color: var(--accent-cyan); font-size: 1rem; }
.footer-col a { display: block; font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 8px; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent-lime); }
.footer-bottom { text-align: center; padding-top: 18px; border-top: 1px solid var(--border-subtle); }
.footer-bottom p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 5px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-creator { grid-template-columns: 1fr; }
  .hero-creator-right h1 { font-size: 2rem; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: rgba(7, 8, 18, 0.95); flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid var(--border-subtle); }
  .nav-links.open { display: flex; }
  .mobile-menu-toggle { display: block; }
  .header-actions { gap: 6px; }
  .btn-login, .btn-signup { padding: 7px 14px; font-size: 0.82rem; }
  .metric-dashboard { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: 1fr; }
  .trust-strip { flex-direction: column; gap: 16px; align-items: flex-start; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-creator-right h1 { font-size: 1.65rem; }
  .creator-avatar-wrap { width: 140px; height: 140px; }
  .metric-dashboard { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: repeat(2, 1fr); }
  .content-list-grid { grid-template-columns: 1fr; }
  .btn-primary-glow, .btn-secondary-glow { padding: 12px 20px; font-size: 0.9rem; }
}

/* roulang page: category3 */
:root {
  --ph-bg-deep: #070812;
  --ph-bg-surface: #0d0e1a;
  --ph-bg-card: rgba(15, 18, 35, 0.75);
  --ph-accent-cyan: #06B6D4;
  --ph-accent-lime: #A3E635;
  --ph-accent-pink: #F43F5E;
  --ph-text-primary: #FFFFFF;
  --ph-text-secondary: #94A3B8;
  --ph-border-subtle: rgba(148, 163, 184, 0.18);
  --ph-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
  --ph-glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
  --ph-glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
  --ph-radius-sm: 8px;
  --ph-radius-md: 14px;
  --ph-radius-lg: 22px;
  --ph-shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
  --ph-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
  --ph-transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--ph-bg-deep);
  color: var(--ph-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, .button { cursor: pointer; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7, 8, 18, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ph-border-subtle);
  padding: 8px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 20px;
}
.logo {
  font-size: 1.1rem; font-weight: 700; letter-spacing: 0.015em;
  color: var(--ph-accent-cyan); white-space: nowrap;
}
.logo i { margin-right: 7px; color: var(--ph-accent-lime); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-weight: 500; font-size: 0.95rem; color: var(--ph-text-secondary);
  padding: 5px 2px; border-bottom: 2px solid transparent;
  transition: color var(--ph-transition), border-color var(--ph-transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ph-accent-cyan); border-bottom-color: var(--ph-accent-cyan);
}
.header-actions { display: flex; gap: 12px; align-items: center; }
.btn-login {
  background: transparent; border: 1px solid var(--ph-accent-cyan);
  color: var(--ph-accent-cyan); padding: 9px 20px; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem; transition: all var(--ph-transition);
}
.btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--ph-glow-cyan); }
.btn-signup {
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  border: none; color: #070812; padding: 9px 22px; border-radius: 8px;
  font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-lime);
  transition: all var(--ph-transition);
}
.btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; color: var(--ph-text-primary); font-size: 1.5rem; }

/* ===== CATEGORY HERO ===== */
.cat-hero {
  margin-top: 72px; padding: 50px 0 40px;
  background: radial-gradient(ellipse at 30% 40%, rgba(244, 63, 94, 0.10) 0%, transparent 55%),
              radial-gradient(ellipse at 70% 60%, rgba(6, 182, 212, 0.09) 0%, transparent 55%);
}
.cat-hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 45px; align-items: center;
}
.cat-hero-info h1 {
  font-size: 2.4rem; font-weight: 800; line-height: 1.25; margin-bottom: 16px;
  background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.cat-hero-desc {
  font-size: 1.08rem; color: var(--ph-text-secondary); line-height: 1.7;
  margin-bottom: 22px;
}
.cat-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.btn-primary-glow {
  background: linear-gradient(135deg, #06B6D4, #A3E635); border: none; color: #070812;
  padding: 14px 30px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
}
.btn-primary-glow:hover { box-shadow: 0 0 28px rgba(163, 230, 53, 0.5); transform: translateY(-2px); }
.cat-hero-visual {
  background: rgba(13, 14, 26, 0.7); backdrop-filter: blur(8px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 20px; position: relative;
}
.cat-hero-visual img { border-radius: var(--ph-radius-md); width: 100%; }
.cat-hero-badge {
  position: absolute; top: -12px; right: -10px;
  background: var(--ph-accent-pink); color: #fff; padding: 6px 14px;
  border-radius: 20px; font-weight: 700; font-size: 0.8rem;
  box-shadow: var(--ph-glow-pink);
}

/* ===== SECTION BLOCK ===== */
.section-block { padding: 50px 0; }
.section-label {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ph-accent-cyan); font-weight: 600; margin-bottom: 8px;
}
.section-title { font-size: 1.85rem; font-weight: 700; margin-bottom: 12px; }
.section-desc { color: var(--ph-text-secondary); font-size: 1rem; line-height: 1.65; max-width: 650px; }

/* ===== SCENARIO CARDS ===== */
.scenario-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px;
  margin-top: 28px;
}
.scenario-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 26px 20px; transition: all var(--ph-transition);
}
.scenario-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); transform: translateY(-3px); }
.scenario-card i { font-size: 2.2rem; color: var(--ph-accent-lime); margin-bottom: 12px; }
.scenario-card h4 { font-weight: 700; margin-bottom: 6px; }
.scenario-card p { font-size: 0.95rem; color: var(--ph-text-secondary); line-height: 1.6; }

/* ===== FLOW STEPS ===== */
.flow-steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px;
  margin-top: 28px;
}
.flow-step {
  background: rgba(13, 14, 26, 0.55); border: 1px solid var(--ph-border-subtle);
  border-radius: var(--ph-radius-md); padding: 24px 20px;
  position: relative; transition: all var(--ph-transition);
}
.flow-step:hover { border-color: var(--ph-accent-lime); box-shadow: var(--ph-glow-lime); transform: translateY(-2px); }
.flow-step .step-num {
  font-weight: 800; font-size: 2.4rem; color: var(--ph-accent-cyan); line-height: 1;
  margin-bottom: 10px;
}
.flow-step h4 { font-weight: 700; margin-bottom: 4px; }
.flow-step p { font-size: 0.9rem; color: var(--ph-text-secondary); line-height: 1.55; }

/* ===== NEWS LIST ===== */
.news-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px;
  margin-top: 28px;
}
.news-card {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 22px; transition: all var(--ph-transition);
}
.news-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-shadow-card); transform: translateY(-3px); }
.news-card .news-date {
  font-size: 0.8rem; color: var(--ph-accent-pink); margin-bottom: 6px;
}
.news-card h4 { font-weight: 700; margin-bottom: 6px; line-height: 1.35; }
.news-card p { font-size: 0.9rem; color: var(--ph-text-secondary); line-height: 1.55; }
.news-card a.read-more {
  display: inline-block; margin-top: 10px; color: var(--ph-accent-cyan);
  font-weight: 600; font-size: 0.9rem; transition: color var(--ph-transition);
}
.news-card a.read-more:hover { color: var(--ph-accent-lime); }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin-top: 24px; }
.faq-item {
  background: var(--ph-bg-card); backdrop-filter: blur(6px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-sm);
  padding: 18px 20px; margin-bottom: 12px; transition: all var(--ph-transition);
}
.faq-item:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); }
.faq-item h4 { font-weight: 700; font-size: 1.02rem; margin-bottom: 6px; color: var(--ph-accent-lime); }
.faq-item p { font-size: 0.95rem; color: var(--ph-text-secondary); line-height: 1.6; margin: 0; }

/* ===== FOOTER ===== */
.site-footer {
  background: rgba(13, 14, 26, 0.9); border-top: 1px solid var(--ph-border-subtle);
  padding: 45px 0 25px; margin-top: 50px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 30px; }
.footer-col h5 { font-weight: 700; margin-bottom: 14px; color: var(--ph-accent-cyan); font-size: 1rem; }
.footer-col a {
  display: block; font-size: 0.9rem; color: var(--ph-text-secondary);
  padding: 5px 0; transition: color var(--ph-transition);
}
.footer-col a:hover { color: var(--ph-accent-lime); }
.footer-bottom {
  margin-top: 28px; padding-top: 18px;
  border-top: 1px solid var(--ph-border-subtle);
  text-align: center; color: var(--ph-text-secondary); font-size: 0.88rem;
}

/* ===== FAB ===== */
.fab-float {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(6,182,212,0.9), rgba(163,230,53,0.9));
  border: 2px solid var(--ph-accent-lime);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #070812;
  box-shadow: var(--ph-glow-cyan);
  opacity: 0.8; transition: all var(--ph-transition);
  animation: float-gentle 3.5s ease-in-out infinite;
}
.fab-float:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 0 26px rgba(6,182,212,0.6); }
@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cat-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .cat-hero-info h1 { font-size: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: rgba(7,8,18,0.96); backdrop-filter: blur(18px); padding: 20px; border-bottom: 1px solid var(--ph-border-subtle); gap: 14px; }
  .nav-links.mobile-open { display: flex; }
  .mobile-menu-toggle { display: block; }
  .header-actions .btn-login, .header-actions .btn-signup { padding: 7px 14px; font-size: 0.82rem; }
  .section-title { font-size: 1.5rem; }
  .cat-hero-visual { order: -1; }
  .logo { font-size: 0.98rem; }
}
@media (max-width: 520px) {
  .cat-hero-info h1 { font-size: 1.7rem; }
  .cat-hero-cta { flex-direction: column; }
  .btn-primary-glow { text-align: center; width: 100%; }
  .header-actions { gap: 6px; }
}

/* roulang page: category4 */
:root {
  --ph-bg-deep: #070812;
  --ph-bg-surface: #0d0e1a;
  --ph-bg-card: rgba(15, 18, 35, 0.75);
  --ph-accent-cyan: #06B6D4;
  --ph-accent-lime: #A3E635;
  --ph-accent-pink: #F43F5E;
  --ph-text-primary: #FFFFFF;
  --ph-text-secondary: #94A3B8;
  --ph-text-muted: #64748B;
  --ph-border-subtle: rgba(148, 163, 184, 0.18);
  --ph-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.45);
  --ph-glow-lime: 0 0 14px rgba(163, 230, 53, 0.35);
  --ph-glow-pink: 0 0 16px rgba(244, 63, 94, 0.4);
  --ph-radius-sm: 8px;
  --ph-radius-md: 14px;
  --ph-radius-lg: 22px;
  --ph-shadow-card: 0 8px 28px rgba(0, 0, 0, 0.55);
  --ph-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.7);
  --ph-transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--ph-bg-deep);
  color: var(--ph-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  margin: 0; padding: 0;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, .button { cursor: pointer; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7, 8, 18, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ph-border-subtle);
  padding: 8px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 20px;
}
.logo {
  font-size: 1.1rem; font-weight: 700; letter-spacing: 0.015em;
  color: var(--ph-accent-cyan); white-space: nowrap;
}
.logo i { margin-right: 7px; color: var(--ph-accent-lime); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-weight: 500; font-size: 0.95rem; color: var(--ph-text-secondary);
  padding: 5px 2px; border-bottom: 2px solid transparent;
  transition: color var(--ph-transition), border-color var(--ph-transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ph-accent-cyan); border-bottom-color: var(--ph-accent-cyan);
}
.header-actions { display: flex; gap: 12px; align-items: center; }
.btn-login {
  background: transparent; border: 1px solid var(--ph-accent-cyan);
  color: var(--ph-accent-cyan); padding: 9px 20px; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem; transition: all var(--ph-transition);
}
.btn-login:hover { background: rgba(6, 182, 212, 0.12); box-shadow: var(--ph-glow-cyan); }
.btn-signup {
  background: linear-gradient(135deg, #A3E635, #06B6D4);
  border: none; color: #070812; padding: 9px 22px; border-radius: 8px;
  font-weight: 700; font-size: 0.9rem; box-shadow: var(--ph-glow-lime);
  transition: all var(--ph-transition);
}
.btn-signup:hover { box-shadow: 0 0 24px rgba(6, 182, 212, 0.55); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; color: var(--ph-text-primary); font-size: 1.5rem; }
/* ===== HERO ===== */
.hero-section {
  margin-top: 72px; padding: 55px 0 45px;
  background: radial-gradient(ellipse at 30% 40%, rgba(6, 182, 212, 0.14) 0%, transparent 55%),
              radial-gradient(ellipse at 70% 60%, rgba(163, 230, 53, 0.06) 0%, transparent 55%);
}
.hero-group-buy {
  display: grid; grid-template-columns: 1fr 0.95fr; gap: 45px; align-items: center;
}
.hero-info h1 {
  font-size: 2.5rem; font-weight: 800; line-height: 1.25; margin-bottom: 18px;
  background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-info .hero-desc {
  font-size: 1.08rem; color: var(--ph-text-secondary); line-height: 1.7;
  margin-bottom: 24px; max-width: 540px;
}
.hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-glow {
  background: linear-gradient(135deg, #06B6D4, #A3E635); border: none; color: #070812;
  padding: 14px 30px; border-radius: 12px; font-weight: 700; font-size: 1rem;
  box-shadow: var(--ph-glow-cyan); transition: all var(--ph-transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary-glow:hover { box-shadow: 0 0 28px rgba(163, 230, 53, 0.5); transform: translateY(-2px); }
.btn-secondary-glow {
  background: transparent; border: 1.5px solid var(--ph-accent-pink); color: var(--ph-accent-pink);
  padding: 14px 28px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  transition: all var(--ph-transition); display: inline-flex; align-items: center; gap: 8px;
}
.btn-secondary-glow:hover { box-shadow: var(--ph-glow-pink); background: rgba(244, 63, 94, 0.08); }
.hero-visual {
  background: rgba(13, 14, 26, 0.7); backdrop-filter: blur(8px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 18px; position: relative; overflow: hidden;
}
.hero-visual img { border-radius: var(--ph-radius-md); width: 100%; height: auto; }
.hero-badge {
  position: absolute; top: -8px; right: -8px;
  background: var(--ph-accent-pink); color: #fff; padding: 6px 16px;
  border-radius: 20px; font-weight: 700; font-size: 0.82rem;
  box-shadow: var(--ph-glow-pink); z-index: 2;
}
/* ===== SECTION GENERAL ===== */
.section-block { padding: 60px 0; }
.section-label {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ph-accent-cyan); font-weight: 600; margin-bottom: 8px;
  display: block;
}
.section-title { font-size: 1.9rem; font-weight: 700; margin-bottom: 14px; line-height: 1.35; }
.section-desc { color: var(--ph-text-secondary); font-size: 1rem; line-height: 1.7; max-width: 680px; margin-bottom: 32px; }
/* ===== METRICS DASHBOARD ===== */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.metric-card {
  background: var(--ph-bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 24px 20px; text-align: left; transition: all var(--ph-transition);
  position: relative; overflow: hidden;
}
.metric-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 40px;
  background: var(--ph-accent-lime); border-radius: 0 4px 4px 0;
}
.metric-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); transform: translateY(-3px); }
.metric-icon { font-size: 1.8rem; color: var(--ph-accent-lime); margin-bottom: 10px; }
.metric-value { font-size: 1.8rem; font-weight: 800; color: var(--ph-text-primary); margin-bottom: 4px; }
.metric-label { font-size: 0.9rem; color: var(--ph-text-secondary); }
/* ===== FEATURE CARDS ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--ph-bg-card); backdrop-filter: blur(8px);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 28px 22px; transition: all var(--ph-transition);
}
.feature-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-shadow-card); transform: translateY(-4px); }
.feature-card i { font-size: 2rem; color: var(--ph-accent-cyan); margin-bottom: 14px; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.95rem; color: var(--ph-text-secondary); line-height: 1.65; }
/* ===== GAME PROVIDER ROW ===== */
.provider-row { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
.provider-tag {
  background: rgba(6, 182, 212, 0.1); border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 24px; padding: 8px 18px; font-size: 0.9rem; font-weight: 600;
  color: var(--ph-accent-cyan); transition: all var(--ph-transition);
}
.provider-tag:hover { background: rgba(6, 182, 212, 0.2); box-shadow: var(--ph-glow-cyan); }
/* ===== TABLE COMPARISON ===== */
.compare-table-wrapper {
  overflow-x: auto; background: var(--ph-bg-card);
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-md);
  padding: 8px;
}
.compare-table { width: 100%; border-collapse: collapse; color: var(--ph-text-primary); }
.compare-table th {
  text-align: left; padding: 14px 16px; font-weight: 700;
  background: rgba(6, 182, 212, 0.1); border-radius: 6px 6px 0 0;
  font-size: 0.95rem; color: var(--ph-accent-cyan);
}
.compare-table td { padding: 12px 16px; border-top: 1px solid var(--ph-border-subtle); font-size: 0.95rem; color: var(--ph-text-secondary); }
.compare-table tr:hover td { background: rgba(255, 255, 255, 0.02); }
.badge-yes { color: #10B981; font-weight: 700; }
/* ===== STEP TIMELINE ===== */
.step-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-item {
  position: relative; text-align: left; padding-top: 36px;
  border-top: 2px solid var(--ph-border-subtle);
}
.step-item::before {
  content: attr(data-step); position: absolute; top: -14px; left: 0;
  width: 28px; height: 28px; background: var(--ph-accent-lime); color: #070812;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem;
}
.step-item h4 { font-weight: 700; margin: 8px 0 4px; font-size: 1rem; }
.step-item p { font-size: 0.9rem; color: var(--ph-text-secondary); line-height: 1.6; }
/* ===== NEWS LIST ===== */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.news-card {
  background: var(--ph-bg-card); border: 1px solid var(--ph-border-subtle);
  border-radius: var(--ph-radius-md); overflow: hidden; transition: all var(--ph-transition);
}
.news-card:hover { border-color: var(--ph-accent-cyan); box-shadow: var(--ph-glow-cyan); transform: translateY(-3px); }
.news-card img { width: 100%; height: 180px; object-fit: cover; }
.news-body { padding: 18px; }
.news-body h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; color: var(--ph-text-primary); }
.news-body p { font-size: 0.9rem; color: var(--ph-text-secondary); line-height: 1.6; }
.news-meta { font-size: 0.8rem; color: var(--ph-accent-cyan); margin-top: 8px; }
/* ===== TRUST / SECURITY ===== */
.trust-badges { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-item i { font-size: 1.8rem; color: var(--ph-accent-lime); }
.trust-item span { font-size: 0.95rem; font-weight: 600; }
/* ===== FAQ ===== */
.faq-list { display: grid; gap: 14px; max-width: 860px; }
.faq-item {
  background: var(--ph-bg-card); border: 1px solid var(--ph-border-subtle);
  border-radius: var(--ph-radius-sm); padding: 18px 22px; transition: all var(--ph-transition);
  cursor: pointer;
}
.faq-item:hover { border-color: var(--ph-accent-cyan); }
.faq-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.faq-item p { font-size: 0.95rem; color: var(--ph-text-secondary); line-height: 1.65; }
/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(163, 230, 53, 0.06));
  border: 1px solid var(--ph-border-subtle); border-radius: var(--ph-radius-lg);
  padding: 44px 32px; text-align: left;
}
.cta-banner h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { font-size: 1.05rem; color: var(--ph-text-secondary); max-width: 600px; margin-bottom: 20px; }
/* ===== FOOTER ===== */
.site-footer {
  background: rgba(8, 9, 20, 0.9); border-top: 1px solid var(--ph-border-subtle);
  padding: 50px 0 20px; margin-top: 20px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 30px; }
.footer-col h5 { font-weight: 700; font-size: 1rem; margin-bottom: 14px; color: var(--ph-accent-cyan); }
.footer-col a { display: block; font-size: 0.9rem; color: var(--ph-text-secondary); margin-bottom: 8px; transition: color var(--ph-transition); }
.footer-col a:hover { color: var(--ph-accent-lime); }
.footer-bottom { text-align: center; padding-top: 18px; border-top: 1px solid var(--ph-border-subtle); }
.footer-bottom p { font-size: 0.85rem; color: var(--ph-text-muted); margin: 4px 0; }
/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-group-buy { grid-template-columns: 1fr; gap: 30px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .step-timeline { grid-template-columns: repeat(2, 1fr); }
  .hero-visual img { max-height: 260px; object-fit: cover; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .header-actions .btn-login, .header-actions .btn-signup { padding: 7px 14px; font-size: 0.8rem; }
  .hero-info h1 { font-size: 1.9rem; }
  .metrics-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .step-timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .trust-badges { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .hero-cta-group { flex-direction: column; }
  .hero-badge { font-size: 0.7rem; padding: 4px 10px; top: -6px; right: -6px; }
  .section-title { font-size: 1.5rem; }
  .compare-table th, .compare-table td { padding: 8px 10px; font-size: 0.8rem; }
  .cta-banner { padding: 28px 18px; }
}