/* roulang page: index */
:root {
  --bg-primary: #030712;
  --bg-secondary: #081229;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-solid: #0B1220;
  --bg-glass: rgba(15, 23, 42, 0.55);
  --color-primary: #2563EB;
  --color-secondary: #38BDF8;
  --color-accent: #60A5FA;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: rgba(96, 165, 250, 0.18);
  --border-strong: rgba(96, 165, 250, 0.35);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.38);
  --shadow-glow: 0 0 22px rgba(56, 189, 248, 0.35);
  --shadow-glow-lg: 0 0 42px rgba(37, 99, 235, 0.5);
  --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
  --max-width: 1200px;
  --header-height: 78px;
  --section-padding: 78px 0;
  --section-padding-mobile: 48px 0;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.18), transparent 55%),
                    radial-gradient(ellipse at 90% 20%, rgba(56, 189, 248, 0.08), transparent 45%),
                    radial-gradient(ellipse at 10% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
  background-attachment: fixed;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

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

ul, ol {
  list-style: none;
}

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

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(96, 165, 250, 0.12);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(3, 7, 18, 0.96);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
  border-bottom-color: rgba(96, 165, 250, 0.22);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: clamp(14px, 3vw, 28px);
}
.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text strong {
  font-size: 1.15rem;
  background: linear-gradient(135deg, #F8FAFC, #A5B4FC);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}
.logo-text small {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 14px);
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 10px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(96, 165, 250, 0.08);
}
.main-nav a.active {
  color: var(--color-secondary);
  background: rgba(56, 189, 248, 0.1);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-login {
  padding: 9px 18px;
  border-radius: 10px;
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid rgba(56, 189, 248, 0.4);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-login:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}
.btn-register {
  padding: 9px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.42);
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.55);
  background: linear-gradient(135deg, #1D4ED8, #0EA5E9);
}
.btn-register:active {
  transform: translateY(0);
  box-shadow: var(--shadow-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 10px;
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.18);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(3, 7, 18, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(96, 165, 250, 0.2);
  padding: 18px 20px 26px;
  flex-direction: column;
  gap: 6px;
  transition: transform var(--transition-base);
  transform: translateY(-110%);
}
.mobile-menu.open {
  transform: translateY(0);
  display: flex;
}
.mobile-menu a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 12px 14px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}
.mobile-menu a:hover {
  color: var(--text-primary);
  background: rgba(96, 165, 250, 0.08);
}
.mobile-menu a.active {
  color: var(--color-secondary);
  background: rgba(56, 189, 248, 0.1);
}

/* ========== MAIN LAYOUT ========== */
.main-content {
  flex: 1;
  margin-top: var(--header-height);
}

section {
  padding: var(--section-padding);
}
section.alt-bg {
  background: rgba(8, 18, 41, 0.55);
  border-top: 1px solid rgba(96, 165, 250, 0.08);
  border-bottom: 1px solid rgba(96, 165, 250, 0.08);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: rgba(56, 189, 248, 0.1);
  padding: 7px 16px;
  border-radius: 30px;
  border: 1px solid rgba(56, 189, 248, 0.22);
  margin-bottom: 18px;
  white-space: nowrap;
}
.section-label::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(1.25); }
}
.section-title {
  font-size: clamp(1.75rem, 4.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.22;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.65;
  margin-bottom: 32px;
}
.text-gradient {
  background: linear-gradient(135deg, #93C5FD, #38BDF8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 90px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.75) 0%, rgba(3, 7, 18, 0.55) 45%, rgba(3, 7, 18, 0.92) 100%),
              linear-gradient(90deg, rgba(3, 7, 18, 0.88) 0%, rgba(3, 7, 18, 0.45) 70%, rgba(3, 7, 18, 0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 9px 20px;
  border-radius: 40px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-badge .icon {
  font-size: 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 22px;
  text-wrap: balance;
}
.hero-desc {
  font-size: 1.08rem;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 26px;
}
.hero-check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-bottom: 32px;
}
.hero-check-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.9);
}
.hero-check-list .check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-secondary);
  flex-shrink: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn-primary-xl {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 34px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.02rem;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
  border: 1px solid rgba(147, 197, 253, 0.3);
  transition: all var(--transition-base);
}
.btn-primary-xl:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(56, 189, 248, 0.6);
  background: linear-gradient(135deg, #1D4ED8, #0EA5E9);
}
.btn-primary-xl:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}
.btn-outline-xl {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.65);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(96, 165, 250, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}
.btn-outline-xl:hover {
  border-color: var(--border-glow);
  background: rgba(56, 189, 248, 0.1);
  box-shadow: var(--shadow-glow);
}
.hero-stats {
  display: flex;
  gap: 34px;
  margin-top: 38px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat .number {
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(135deg, #F8FAFC, #93C5FD);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .label {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ========== TRUST BAR ========== */
.trust-bar {
  background: rgba(8, 18, 41, 0.8);
  border-bottom: 1px solid rgba(96, 165, 250, 0.1);
  padding: 18px 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.trust-item .icon {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

/* ========== DATA GRID SECTION ========== */
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.data-card {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  transition: all var(--transition-base);
}
.data-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md), 0 0 20px rgba(56, 189, 248, 0.08);
  transform: translateY(-4px);
}
.data-card .data-icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
}
.data-card .data-value {
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(135deg, #F8FAFC, #93C5FD);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}
.data-card .data-name {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ========== STORY SECTION ========== */
.story-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.story-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
}
.story-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  min-height: 380px;
}
.story-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(3, 7, 18, 0.45));
}
.story-visual .floating-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 3;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 0.88rem;
  color: var(--color-secondary);
  font-weight: 600;
}
.story-text h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--text-primary);
}
.story-text p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.story-highlight {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(56, 189, 248, 0.06);
  border-left: 3px solid var(--color-secondary);
  border-radius: 8px;
  margin-top: 18px;
}
.story-highlight p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: rgba(226, 232, 240, 0.9);
}

/* ========== CATEGORY GRID ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.category-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}
.category-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md), 0 0 28px rgba(56, 189, 248, 0.12);
  transform: translateY(-5px);
}
.category-card .cat-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.category-card .cat-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.category-card:hover .cat-image img {
  transform: scale(1.06);
}
.category-card .cat-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,0.1), rgba(3,7,18,0.55));
}
.category-card .cat-body {
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.category-card .cat-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.category-card .cat-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 14px;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-secondary);
  transition: all var(--transition-fast);
}
.cat-link:hover {
  gap: 12px;
  color: var(--color-accent);
}

/* ========== GAME GRID ========== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.game-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}
.game-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.15);
  transform: translateY(-5px);
}
.game-card .game-image {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.game-card .game-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.game-card:hover .game-image img {
  transform: scale(1.07);
}
.game-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.35);
  letter-spacing: 0.04em;
}
.game-tag.hot {
  color: #EF4444;
  border-color: rgba(239, 68, 68, 0.4);
}
.game-card .game-body {
  padding: 16px 18px 18px;
}
.game-card .game-body h4 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.game-card .game-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.game-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ========== VIP / MEMBERSHIP ========== */
.vip-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.vip-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  transition: all var(--transition-base);
}
.vip-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.vip-card .vip-icon {
  font-size: 1.4rem;
  margin-bottom: 12px;
}
.vip-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.vip-card p {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

/* ========== NEWS LIST (CMS) ========== */
.news-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 28px;
  align-items: start;
}
.news-main-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.news-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-base);
  cursor: pointer;
}
.news-item:hover {
  border-color: var(--border-strong);
  background: rgba(15, 23, 42, 0.88);
  box-shadow: var(--shadow-sm), 0 0 14px rgba(56, 189, 248, 0.08);
}
.news-item .news-image {
  width: 88px;
  height: 88px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}
.news-item .news-content {
  flex: 1;
}
.news-item .news-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.4;
}
.news-item .news-content h3 a:hover {
  color: var(--color-secondary);
}
.news-item .news-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.55;
}
.news-item .news-date {
  font-size: 0.76rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-empty {
  padding: 30px;
  text-align: center;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}
.news-side-card {
  background: rgba(8, 18, 41, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}
.news-side-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 12px;
}
.news-side-card ul li {
  font-size: 0.84rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid rgba(96, 165, 250, 0.08);
  line-height: 1.45;
}
.news-side-card ul li:last-child {
  border-bottom: none;
}

/* ========== TRUST / GUARANTEE ========== */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.guarantee-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 24px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}
.guarantee-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.guarantee-item .g-icon {
  font-size: 1.6rem;
}
.guarantee-item h4 {
  font-size: 0.98rem;
  font-weight: 700;
}
.guarantee-item p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ========== TESTIMONIALS ========== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--transition-base);
}
.testimonial-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.testimonial-card .quote {
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-bottom: 10px;
  line-height: 1;
}
.testimonial-card p {
  font-size: 0.92rem;
  color: rgba(226, 232, 240, 0.9);
  font-style: italic;
  margin-bottom: 14px;
  line-height: 1.6;
}
.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.testimonial-card .author .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #FFFFFF;
}
.testimonial-card .author .name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-card .author .role {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ========== DOWNLOAD / APP ========== */
.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.download-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  margin-bottom: 18px;
}
.download-panel h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-secondary);
}
.download-panel ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.download-panel ul li {
  font-size: 0.92rem;
  color: rgba(226, 232, 240, 0.88);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.download-panel ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
}
.download-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.btn-app {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.btn-app:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
}
.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  user-select: none;
}
.faq-question:hover {
  background: rgba(56, 189, 248, 0.05);
}
.faq-question .faq-icon {
  font-size: 1.2rem;
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 22px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.28), rgba(8, 18, 41, 0.85));
  border-top: 1px solid rgba(96, 165, 250, 0.2);
  border-bottom: 1px solid rgba(96, 165, 250, 0.2);
  padding: 70px 0;
}
.cta-box {
  max-width: 680px;
}
.cta-box h2 {
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 1.02rem;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.65;
  margin-bottom: 26px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: rgba(3, 7, 18, 0.95);
  border-top: 1px solid rgba(96, 165, 250, 0.15);
  padding: 54px 0 26px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 14px;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: 0.86rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.footer-col ul li a:hover {
  color: var(--color-secondary);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(96, 165, 250, 0.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom .social-links {
  display: flex;
  gap: 10px;
}
.footer-bottom .social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.footer-bottom .social-links a:hover {
  color: var(--color-secondary);
  border-color: var(--border-strong);
  background: rgba(56, 189, 248, 0.12);
}

/* ========== FAB ========== */
.fab {
  position: fixed;
  left: 16px;
  bottom: 96px;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(7, 7, 13, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid transparent;
  background-image: linear-gradient(rgba(7,7,13,0.82), rgba(7,7,13,0.82)), linear-gradient(135deg, #A3E635, #06B6D4);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
  cursor: pointer;
  transition: all var(--transition-base);
  animation: fab-breathe 3.2s ease-in-out infinite;
}
.fab:hover {
  opacity: 1;
  box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
  transform: scale(1.08);
}
.fab:active {
  transform: scale(0.94);
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.4);
}
.fab .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #F43F5E;
  border: 2px solid #07070D;
  animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes fab-breathe {
  0%, 100% { opacity: 0.78; transform: translateY(0); }
  50% { opacity: 0.95; transform: translateY(-6px); }
}
@keyframes badge-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .game-grid { grid-template-columns: repeat(2, 1fr); }
  .vip-cards { grid-template-columns: repeat(2, 1fr); }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .story-grid { grid-template-columns: 1fr; gap: 28px; }
  .download-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
}

@media (max-width: 768px) {
  :root {
    --header-height: 66px;
    --section-padding: 52px 0;
  }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .header-actions .btn-login,
  .header-actions .btn-register {
    padding: 7px 12px;
    font-size: 0.78rem;
    white-space: nowrap;
  }
  .hero { min-height: 78vh; padding: 70px 0 50px; }
  .hero h1 { font-size: clamp(1.55rem, 6vw, 2.2rem); }
  .hero-desc { font-size: 0.95rem; }
  .hero-stats { gap: 20px; }
  .hero-stat .number { font-size: 1.35rem; }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .data-card { padding: 18px 16px; }
  .category-grid { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .vip-cards { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.5rem; }
  .section-desc { font-size: 0.95rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .news-item { flex-direction: column; }
  .news-item .news-image { width: 100%; height: 160px; }
  .btn-primary-xl, .btn-outline-xl { padding: 13px 22px; font-size: 0.9rem; }
  .story-visual { min-height: 240px; }
  .story-visual img { min-height: 240px; }
  .trust-bar-inner { justify-content: center; gap: 12px; }
  .trust-item { font-size: 0.75rem; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { gap: 8px; }
  .logo-text small { display: none; }
  .logo-text strong { font-size: 1rem; }
  .logo-icon { width: 36px; height: 36px; font-size: 1.1rem; border-radius: 10px; }
  .header-actions { gap: 6px; }
  .btn-login { padding: 7px 10px; font-size: 0.72rem; }
  .btn-register { padding: 7px 12px; font-size: 0.72rem; }
  .hero-check-list { flex-direction: column; gap: 8px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-stats { gap: 16px; }
  .data-grid { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .fab { width: 48px; height: 48px; left: 10px; bottom: 80px; font-size: 1.2rem; border-radius: 14px; }
}

/* roulang page: category1 */
:root {
    --bg-primary: #030712;
    --bg-secondary: #081229;
    --bg-card: rgba(15, 23, 42, 0.72);
    --bg-card-solid: #0B1220;
    --bg-glass: rgba(15, 23, 42, 0.55);
    --color-primary: #2563EB;
    --color-secondary: #38BDF8;
    --color-accent: #60A5FA;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border-color: rgba(96, 165, 250, 0.18);
    --border-strong: rgba(96, 165, 250, 0.35);
    --border-glow: rgba(56, 189, 248, 0.45);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.38);
    --shadow-glow: 0 0 22px rgba(56, 189, 248, 0.35);
    --shadow-glow-lg: 0 0 42px rgba(37, 99, 235, 0.5);
    --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    --transition-fast: 0.18s ease;
    --transition-base: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
    --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    --max-width: 1200px;
    --header-height: 78px;
    --section-padding: 78px 0;
    --section-padding-mobile: 48px 0;
  }

  @media (max-width: 767px) {
    :root {
      --header-height: 66px;
      --section-padding: 52px 0;
    }
  }

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image:
      radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.18), transparent 55%),
      radial-gradient(ellipse at 90% 20%, rgba(56, 189, 248, 0.08), transparent 45%),
      radial-gradient(ellipse at 10% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
    background-attachment: fixed;
  }

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

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
    border-radius: 4px;
  }

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

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

  input,
  select,
  textarea {
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
  }

  .container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
  }

  /* ========== HEADER / NAV ========== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(96, 165, 250, 0.12);
    transition: background var(--transition-base), box-shadow var(--transition-base);
  }

  .site-header.scrolled {
    background: rgba(3, 7, 18, 0.96);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
    border-bottom-color: rgba(96, 165, 250, 0.22);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: clamp(14px, 3vw, 28px);
  }

  .logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    white-space: nowrap;
  }

  .logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
    flex-shrink: 0;
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }

  .logo-text strong {
    font-size: 1.15rem;
    background: linear-gradient(135deg, #F8FAFC, #A5B4FC);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
  }

  .logo-text small {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.2vw, 14px);
  }

  .main-nav a {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 10px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
  }

  .main-nav a:hover {
    color: var(--text-primary);
    background: rgba(96, 165, 250, 0.08);
  }

  .main-nav a.active {
    color: var(--color-secondary);
    background: rgba(56, 189, 248, 0.1);
  }

  .main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
  }

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

  .btn-login {
    padding: 9px 18px;
    border-radius: 10px;
    background: transparent;
    color: var(--color-secondary);
    border: 1px solid rgba(56, 189, 248, 0.4);
    font-weight: 600;
    font-size: 0.88rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
  }

  .btn-login:hover {
    background: rgba(56, 189, 248, 0.08);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
  }

  .btn-register {
    padding: 9px 20px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.88rem;
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.42);
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: inline-block;
    text-align: center;
  }

  .btn-register:hover {
    box-shadow: 0 4px 28px rgba(56, 189, 248, 0.55);
    transform: translateY(-2px);
    color: #FFFFFF;
  }

  .btn-register:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
  }

  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(96, 165, 250, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
  }

  .nav-toggle:hover {
    background: rgba(96, 165, 250, 0.15);
  }

  .mobile-nav-panel {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(3, 7, 18, 0.98);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px clamp(20px, 4vw, 40px) 24px;
    z-index: 99;
    flex-direction: column;
    gap: 6px;
  }

  .mobile-nav-panel.open {
    display: flex;
  }

  .mobile-nav-panel a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 10px;
    transition: all var(--transition-fast);
  }

  .mobile-nav-panel a:hover {
    color: var(--text-primary);
    background: rgba(96, 165, 250, 0.08);
  }

  .mobile-nav-panel a.active {
    color: var(--color-secondary);
    background: rgba(56, 189, 248, 0.1);
  }

  /* ========== HERO ========== */
  .category-hero {
    position: relative;
    padding: calc(var(--header-height) + 70px) 0 70px;
    background-image: linear-gradient(180deg, rgba(3, 7, 18, 0.72) 0%, rgba(3, 7, 18, 0.88) 100%), url('/assets/images/3f7b5f4ccb2c81b2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
  }

  .category-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(180deg, transparent, var(--bg-primary));
    pointer-events: none;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 22px;
  }

  .category-hero h1 {
    font-size: clamp(2rem, 5.5vw, 3.3rem);
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    color: var(--text-primary);
    max-width: 800px;
  }

  .category-hero h1 .highlight {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-desc {
    font-size: 1.1rem;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 30px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .btn-primary-glow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #FFFFFF;
    font-weight: 700;
    font-size: 1.02rem;
    box-shadow: 0 4px 28px rgba(37, 99, 235, 0.45);
    transition: all var(--transition-base);
    border: none;
  }

  .btn-primary-glow:hover {
    box-shadow: 0 6px 42px rgba(56, 189, 248, 0.6);
    transform: translateY(-3px);
    color: #FFFFFF;
  }

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

  .btn-outline-glow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 26px;
    border-radius: 14px;
    background: transparent;
    color: var(--color-secondary);
    border: 1px solid rgba(56, 189, 248, 0.45);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
  }

  .btn-outline-glow:hover {
    background: rgba(56, 189, 248, 0.08);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
  }

  /* ========== SECTION STYLES ========== */
  .section {
    padding: var(--section-padding);
    position: relative;
  }

  .section-alt {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 14px;
  }

  .section-title {
    font-size: clamp(1.6rem, 3.8vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text-primary);
  }

  .section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 720px;
    margin-bottom: 40px;
  }

  /* ========== GLASS CARD ========== */
  .glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    padding: clamp(20px, 3vw, 28px);
    height: 100%;
  }

  .glass-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
  }

  /* ========== STATS ========== */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .stat-item {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 26px 22px;
    text-align: left;
    transition: all var(--transition-base);
  }

  .stat-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-glow);
  }

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

  .stat-value {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
  }

  .stat-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.4;
  }

  /* ========== GAME TYPE CARDS ========== */
  .game-types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .game-type-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .game-type-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
  }

  .game-type-img {
    position: relative;
    height: 190px;
    overflow: hidden;
  }

  .game-type-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
  }

  .game-type-card:hover .game-type-img img {
    transform: scale(1.05);
  }

  .game-type-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 14px;
    border-radius: 50px;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: var(--color-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .game-type-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
  }

  .game-type-body h3 {
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.35;
  }

  .game-type-body p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
  }

  .game-type-link {
    margin-top: auto;
    padding-top: 14px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
  }

  .game-type-link:hover {
    color: var(--text-primary);
    gap: 10px;
  }

  /* ========== FEATURED SẢNH ========== */
  .featured-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 26px;
    align-items: stretch;
  }

  .featured-panel {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(24px, 3.5vw, 34px);
    transition: all var(--transition-base);
  }

  .featured-panel:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
  }

  .featured-panel h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.35;
  }

  .featured-panel p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 18px;
  }

  .featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
  }

  .featured-tag {
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
  }

  .featured-tag:hover {
    background: rgba(37, 99, 235, 0.22);
    border-color: var(--border-glow);
    color: var(--text-primary);
  }

  .featured-img {
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
    min-height: 280px;
  }

  .featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
  }

  /* ========== STEPS ========== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .step-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 26px 22px;
    position: relative;
    transition: all var(--transition-base);
    height: 100%;
  }

  .step-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
  }

  .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  }

  .step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.35;
  }

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

  /* ========== NEWS LIST ========== */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .news-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .news-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
  }

  .news-card-body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
  }

  .news-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.45;
    margin: 0;
  }

  .news-card-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .news-empty {
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
  }

  /* ========== TRUST ========== */
  .trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .trust-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 22px 18px;
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
  }

  .trust-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
  }

  .trust-icon {
    font-size: 1.6rem;
    color: var(--color-secondary);
  }

  .trust-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
  }

  .trust-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
  }

  /* ========== FAQ ========== */
  .faq-wrapper {
    max-width: 780px;
    margin: 0 auto;
  }

  .accordion-item {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) !important;
    margin-bottom: 14px;
    overflow: hidden;
    transition: all var(--transition-base);
  }

  .accordion-item:hover {
    border-color: var(--border-strong);
  }

  .accordion-button {
    background: transparent !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 18px 22px;
    border-radius: 0 !important;
    box-shadow: none !important;
  }

  .accordion-button::after {
    filter: brightness(0) invert(0.8);
  }

  .accordion-button:not(.collapsed) {
    background: rgba(37, 99, 235, 0.08) !important;
    color: var(--color-secondary) !important;
  }

  .accordion-body {
    padding: 18px 22px 22px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
  }

  /* ========== CTA ========== */
  .cta-section {
    padding: var(--section-padding);
    position: relative;
    background-image: linear-gradient(180deg, rgba(3, 7, 18, 0.7) 0%, rgba(3, 7, 18, 0.9) 100%), url('/assets/images/9b535949f96ef6ef.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-top: 1px solid var(--border-color);
  }

  .cta-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    padding: clamp(30px, 5vw, 52px);
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    box-shadow: var(--shadow-glow-lg);
  }

  .cta-panel h2 {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    color: var(--text-primary);
  }

  .cta-panel p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 26px;
  }

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

  /* ========== FOOTER ========== */
  .site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 26px;
    margin-top: 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
  }

  .footer-brand .logo {
    margin-bottom: 14px;
  }

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

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

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

  .footer-col ul li a {
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
  }

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

  .footer-bottom {
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
  }

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

  .social-links a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(96, 165, 250, 0.08);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
  }

  .social-links a:hover {
    background: rgba(96, 165, 250, 0.16);
    border-color: var(--border-strong);
    transform: translateY(-2px);
  }

  /* ========== FAB ========== */
  .fab-container {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 50;
  }

  .fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: rgba(7, 7, 13, 0.8);
    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;
    font-size: 1.3rem;
    box-shadow: 0 0 22px rgba(6, 182, 212, 0.45);
    transition: all var(--transition-base);
    position: relative;
    animation: fab-float 3s ease-in-out infinite;
    border-image: linear-gradient(135deg, #A3E635, #06B6D4) 1;
    color: #A3E635;
  }

  .fab-btn:hover {
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.65);
    transform: scale(1.05);
    color: #FFFFFF;
  }

  .fab-btn:active {
    transform: scale(0.95);
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.4);
  }

  .fab-notification {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #F43F5E;
    border: 2px solid rgba(7, 7, 13, 0.9);
    animation: fab-pulse 1.6s ease-in-out infinite;
  }

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

  @keyframes fab-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  /* ========== RESPONSIVE ========== */
  @media (max-width: 1023px) {
    .main-nav {
      display: none;
    }

    .nav-toggle {
      display: flex;
    }

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

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

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

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

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

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

    .featured-img {
      min-height: 220px;
    }

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

  @media (max-width: 767px) {
    .category-hero {
      padding: calc(var(--header-height) + 40px) 0 50px;
    }

    .category-hero h1 {
      font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .hero-desc {
      font-size: 0.98rem;
    }

    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .stat-item {
      padding: 18px 14px;
    }

    .stat-value {
      font-size: 1.35rem;
    }

    .game-types-grid {
      grid-template-columns: 1fr;
    }

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

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

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

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

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

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

    .header-actions {
      gap: 6px;
    }

    .logo-text small {
      display: none;
    }

    .logo-text strong {
      font-size: 1rem;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      font-size: 1.1rem;
    }

    .section {
      padding: var(--section-padding-mobile);
    }

    .cta-panel {
      padding: 26px 18px;
    }

    .fab-btn {
      width: 50px;
      height: 50px;
      border-radius: 14px;
      font-size: 1.1rem;
    }
  }

  @media (max-width: 479px) {
    .stats-grid {
      grid-template-columns: 1fr;
    }

    .btn-login {
      padding: 7px 10px;
      font-size: 0.75rem;
    }

    .btn-register {
      padding: 7px 12px;
      font-size: 0.75rem;
    }

    .header-actions {
      gap: 4px;
    }

    .logo-text strong {
      font-size: 0.9rem;
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      font-size: 0.95rem;
      border-radius: 9px;
    }
  }

/* roulang page: article */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-card-solid: #0B1220;
            --bg-glass: rgba(15, 23, 42, 0.55);
            --color-primary: #2563EB;
            --color-secondary: #38BDF8;
            --color-accent: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(96, 165, 250, 0.35);
            --border-glow: rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 22px rgba(56, 189, 248, 0.35);
            --shadow-glow-lg: 0 0 42px rgba(37, 99, 235, 0.5);
            --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
            --max-width: 1200px;
            --header-height: 66px;
            --section-padding: 52px 0;
            --section-padding-mobile: 48px 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-image: radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.18), transparent 55%),
                radial-gradient(ellipse at 90% 20%, rgba(56, 189, 248, 0.08), transparent 45%),
                radial-gradient(ellipse at 10% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
            background-attachment: fixed;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 clamp(20px, 4vw, 40px);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(3, 7, 18, 0.85);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(96, 165, 250, 0.12);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
            border-bottom-color: rgba(96, 165, 250, 0.22);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: clamp(14px, 3vw, 28px);
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-text strong {
            font-size: 1.15rem;
            background: linear-gradient(135deg, #F8FAFC, #A5B4FC);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .logo-text small {
            font-size: 0.62rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: clamp(6px, 1.2vw, 14px);
        }

        .main-nav a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 10px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(96, 165, 250, 0.08);
        }

        .main-nav a.active {
            color: var(--color-secondary);
            background: rgba(56, 189, 248, 0.1);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
        }

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

        .btn-login {
            padding: 9px 18px;
            border-radius: 10px;
            background: transparent;
            color: var(--color-secondary);
            border: 1px solid rgba(56, 189, 248, 0.4);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .btn-register {
            padding: 9px 20px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.42);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-register:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(96, 165, 250, 0.08);
            border: 1px solid var(--border-color);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .menu-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .menu-toggle:hover {
            border-color: var(--border-strong);
            background: rgba(56, 189, 248, 0.12);
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
            padding-top: var(--header-height);
        }

        section {
            padding: var(--section-padding);
            position: relative;
        }

        section:nth-of-type(even) {
            background: rgba(15, 23, 42, 0.35);
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            padding: clamp(42px, 7vw, 72px) 0 clamp(36px, 5vw, 56px);
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.10) 0%, rgba(3, 7, 18, 0.85) 55%),
                url('/assets/images/3f7b5f4ccb2c81b2.jpg') center / cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(56, 189, 248, 0.12), transparent 60%);
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 22px;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-secondary);
            font-weight: 500;
        }

        .article-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: clamp(28px, 5vw, 56px);
            align-items: center;
        }

        .article-hero-content .category-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid var(--border-strong);
            color: var(--color-secondary);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .article-hero-content h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            margin-bottom: 24px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-secondary);
            display: inline-block;
        }

        .article-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 6px 28px rgba(37, 99, 235, 0.45);
            transition: all var(--transition-base);
            border: none;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: 12px;
            background: transparent;
            color: var(--color-secondary);
            border: 1.5px solid rgba(56, 189, 248, 0.45);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }

        .btn-outline:hover {
            border-color: var(--border-glow);
            background: rgba(56, 189, 248, 0.08);
            box-shadow: var(--shadow-glow);
        }

        .article-hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md), 0 0 38px rgba(37, 99, 235, 0.16);
            border: 1px solid var(--border-color);
        }

        .article-hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .article-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(37, 99, 235, 0.1) 0%, transparent 55%, rgba(3, 7, 18, 0.55) 100%);
            pointer-events: none;
        }

        /* ========== STATS BADGE ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 30px;
        }

        .stat-badge {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: left;
            transition: all var(--transition-fast);
        }

        .stat-badge:hover {
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.1);
            transform: translateY(-2px);
        }

        .stat-badge .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-secondary);
            line-height: 1.2;
        }

        .stat-badge .stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.06rem;
            line-height: 1.62;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 34px 0 16px;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 26px 0 12px;
        }

        .article-body p {
            margin-bottom: 16px;
            color: var(--text-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
            padding: 0;
        }

        .article-body li {
            margin-bottom: 8px;
            color: var(--text-secondary);
            position: relative;
        }

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

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-secondary);
            padding: 16px 20px;
            margin: 22px 0;
            background: rgba(56, 189, 248, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-primary);
        }

        .article-body strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-body a {
            color: var(--color-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--color-primary);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
        }

        .article-body th,
        .article-body td {
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            text-align: left;
        }

        .article-body th {
            background: rgba(37, 99, 235, 0.1);
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ========== NOT FOUND ========== */
        .article-not-found {
            text-align: center;
            padding: 50px 20px;
            max-width: 560px;
            margin: 0 auto;
        }

        .article-not-found h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ========== HIGHLIGHTS ========== */
        .highlights-section {
            background: rgba(15, 23, 42, 0.35);
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 28px;
        }

        .highlight-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-base);
        }

        .highlight-card:hover {
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.08);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .highlight-card .hl-icon {
            font-size: 1.8rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .highlight-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 10px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.75rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            max-width: 480px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid var(--border-strong);
            color: var(--color-secondary);
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        /* ========== GAME CARDS ========== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 28px;
        }

        .game-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .game-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .game-card .game-thumb {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .game-card .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-thumb img {
            transform: scale(1.06);
        }

        .game-card .game-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(3, 7, 18, 0.82);
            border: 1px solid var(--border-strong);
            color: var(--color-secondary);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .game-card .game-info {
            padding: 16px 18px 18px;
        }

        .game-card .game-info h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .game-card .game-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .game-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-secondary);
            transition: all var(--transition-fast);
        }

        .game-link:hover {
            color: var(--color-primary);
            gap: 10px;
        }

        /* ========== PROMO ========== */
        .promo-box {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.16) 0%, rgba(56, 189, 248, 0.06) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: clamp(28px, 4vw, 42px);
            margin-top: 28px;
            position: relative;
            overflow: hidden;
        }

        .promo-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .promo-box .promo-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .promo-box h3 {
            font-size: clamp(1.3rem, 2.4vw, 1.7rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .promo-box p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 8px;
        }

        .promo-box .promo-value {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-secondary), #38BDF8);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.02em;
        }

        /* ========== PAYMENT METHODS ========== */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 28px;
        }

        .payment-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .payment-item:hover {
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.08);
            transform: translateY(-2px);
        }

        .payment-item .pay-icon {
            font-size: 1.7rem;
            margin-bottom: 8px;
        }

        .payment-item .pay-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .payment-item .pay-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 28px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--color-secondary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            font-size: 1.1rem;
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.18) 0%, rgba(3, 7, 18, 0.95) 60%),
                url('/assets/images/8610ee124002a0e9.jpg') center / cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(56, 189, 248, 0.15), transparent 60%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .cta-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 28px;
            line-height: 1.65;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: rgba(7, 12, 24, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 12, 24, 0.82), rgba(7, 12, 24, 0.82)),
                linear-gradient(135deg, #38BDF8, #2563EB, #EC4899);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }

        .fab:hover {
            box-shadow: 0 0 38px rgba(56, 189, 248, 0.6);
            transform: scale(1.06);
        }

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

        .fab-icon {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .fab-label {
            font-size: 0.58rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .fab-notice {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #DC2626;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.55rem;
            font-weight: 800;
            color: #fff;
            animation: fabPulse 1.6s infinite;
        }

        @keyframes fabPulse {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5);
            }
            50% {
                transform: scale(1.15);
                box-shadow: 0 0 0 6px rgba(220, 38, 38, 0);
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(3, 7, 18, 0.96);
            border-top: 1px solid rgba(96, 165, 250, 0.12);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

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

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(96, 165, 250, 0.08);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(96, 165, 250, 0.08);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .social-links a:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .article-hero-visual {
                max-width: 520px;
            }

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

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

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

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(3, 7, 18, 0.97);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
                transform: translateY(-115%);
                transition: transform var(--transition-base);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                z-index: 99;
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }

            .main-nav a.active::after {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login {
                padding: 7px 12px;
                font-size: 0.78rem;
            }

            .btn-register {
                padding: 7px 14px;
                font-size: 0.78rem;
            }

            section {
                padding: var(--section-padding-mobile);
            }

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

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .promo-box .promo-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .article-hero-content h1 {
                font-size: 1.55rem;
            }

            .article-body {
                font-size: 0.98rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }

            .fab {
                width: 50px;
                height: 50px;
                border-radius: 14px;
                left: 12px;
                bottom: 80px;
            }

            .fab-icon {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 10px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                border-radius: 10px;
                font-size: 1.1rem;
            }

            .logo-text strong {
                font-size: 0.98rem;
            }

            .logo-text small {
                font-size: 0.55rem;
            }

            .article-hero-content h1 {
                font-size: 1.4rem;
            }

            .article-hero-actions {
                flex-direction: column;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-badge {
                padding: 12px 14px;
            }

            .stat-badge .stat-value {
                font-size: 1.2rem;
            }

            .stat-badge .stat-label {
                font-size: 0.75rem;
            }

            .section-header h2 {
                font-size: 1.2rem;
            }

            .game-card .game-info {
                padding: 12px 14px 14px;
            }

            .faq-question {
                font-size: 0.85rem;
                padding: 12px 14px;
            }
        }

/* roulang page: category2 */
/* ===================== Roulang Design System - Category Page ===================== */
    :root {
      --bg-primary: #030712;
      --bg-secondary: #081229;
      --bg-card: rgba(15, 23, 42, 0.72);
      --bg-card-solid: #0B1220;
      --bg-glass: rgba(15, 23, 42, 0.55);
      --color-primary: #2563EB;
      --color-secondary: #38BDF8;
      --color-accent: #60A5FA;
      --text-primary: #F8FAFC;
      --text-secondary: #94A3B8;
      --text-muted: #64748B;
      --border-color: rgba(96, 165, 250, 0.18);
      --border-strong: rgba(96, 165, 250, 0.35);
      --border-glow: rgba(56, 189, 248, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-xl: 30px;
      --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
      --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.38);
      --shadow-glow: 0 0 22px rgba(56, 189, 248, 0.35);
      --shadow-glow-lg: 0 0 42px rgba(37, 99, 235, 0.5);
      --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
      --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
      --transition-fast: 0.18s ease;
      --transition-base: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
      --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
      --max-width: 1200px;
      --header-height: 78px;
      --section-padding: 78px 0;
      --section-padding-mobile: 48px 0;
    }
    @media (max-width: 1024px) {
      :root {
        --header-height: 66px;
        --section-padding: 52px 0;
      }
    }
    
    /* ===================== Reset & Base ===================== */
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg-primary) !important;
      color: var(--text-primary);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      background-image: radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.18), transparent 55%),
                        radial-gradient(ellipse at 90% 20%, rgba(56, 189, 248, 0.08), transparent 45%),
                        radial-gradient(ellipse at 10% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--color-secondary) !important;
      outline-offset: 3px;
      border-radius: 4px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
      color: inherit;
    }
    input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
      color: var(--text-primary);
    }
    
    /* Bootstrap Override - Dark Theme & Custom */
    .container, .container-fluid {
      --bs-gutter-x: 1.5rem;
    }
    .container {
      max-width: var(--max-width);
    }
    .text-muted {
      color: var(--text-secondary) !important;
    }
    .bg-dark-custom {
      background: var(--bg-primary) !important;
    }
    
    /* ===================== Header / Nav ===================== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      height: var(--header-height);
      background: rgba(3, 7, 18, 0.88);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-bottom: 1px solid rgba(96, 165, 250, 0.12);
      transition: background var(--transition-base), box-shadow var(--transition-base);
    }
    .site-header.scrolled {
      background: rgba(3, 7, 18, 0.97);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
      border-bottom-color: rgba(96, 165, 250, 0.22);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: clamp(14px, 3vw, 28px);
    }
    .logo {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      white-space: nowrap;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
      flex-shrink: 0;
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }
    .logo-text strong {
      font-size: 1.15rem;
      background: linear-gradient(135deg, #F8FAFC, #A5B4FC);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      white-space: nowrap;
    }
    .logo-text small {
      font-size: 0.62rem;
      font-weight: 600;
      color: var(--text-secondary);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: clamp(6px, 1.2vw, 14px);
    }
    .main-nav a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 8px 14px;
      border-radius: 10px;
      transition: all var(--transition-fast);
      white-space: nowrap;
      position: relative;
    }
    .main-nav a:hover {
      color: var(--text-primary);
      background: rgba(96, 165, 250, 0.08);
    }
    .main-nav a.active {
      color: var(--color-secondary);
      background: rgba(56, 189, 248, 0.1);
    }
    .main-nav a.active::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 50%;
      transform: translateX(-50%);
      width: 18px;
      height: 3px;
      border-radius: 3px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .btn-login {
      padding: 9px 18px;
      border-radius: 10px;
      background: transparent;
      color: var(--color-secondary);
      border: 1px solid rgba(56, 189, 248, 0.4);
      font-weight: 600;
      font-size: 0.88rem;
      transition: all var(--transition-fast);
      white-space: nowrap;
    }
    .btn-login:hover {
      background: rgba(56, 189, 248, 0.08);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
    }
    .btn-register {
      padding: 9px 20px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.88rem;
      box-shadow: 0 4px 18px rgba(37, 99, 235, 0.42);
      transition: all var(--transition-fast);
      white-space: nowrap;
    }
    .btn-register:hover {
      box-shadow: var(--shadow-glow-lg);
      transform: translateY(-1px);
      color: #FFFFFF;
    }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(96, 165, 250, 0.08);
      border: 1px solid var(--border-color);
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--text-secondary);
      transition: all var(--transition-fast);
    }
    .nav-toggle:hover {
      color: var(--text-primary);
      border-color: var(--border-strong);
    }
    
    /* ===================== Hero (Category) ===================== */
    .category-hero {
      padding: calc(var(--header-height) + 50px) 0 48px;
      position: relative;
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(8, 18, 41, 0.72) 55%, rgba(3, 7, 18, 0.95) 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(circle at 15% 25%, rgba(56, 189, 248, 0.14), transparent 35%),
                        radial-gradient(circle at 85% 70%, rgba(37, 99, 235, 0.12), transparent 40%);
      pointer-events: none;
    }
    .category-hero .container {
      position: relative;
      z-index: 1;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 16px;
      border-radius: 999px;
      background: rgba(56, 189, 248, 0.08);
      border: 1px solid var(--border-strong);
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--color-secondary);
      letter-spacing: 0.03em;
      text-transform: uppercase;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: clamp(1.9rem, 4.5vw, 3.2rem);
      font-weight: 900;
      letter-spacing: -0.03em;
      line-height: 1.15;
      color: var(--text-primary);
      margin-bottom: 18px;
    }
    .hero-title .highlight {
      background: linear-gradient(135deg, #60A5FA, #38BDF8);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 680px;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 30px;
    }
    .btn-primary-custom {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 28px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.98rem;
      box-shadow: 0 6px 26px rgba(37, 99, 235, 0.45);
      transition: all var(--transition-base);
      border: none;
    }
    .btn-primary-custom:hover {
      box-shadow: var(--shadow-glow-lg);
      transform: translateY(-2px);
      color: #FFFFFF;
    }
    .btn-secondary-custom {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 28px;
      border-radius: 14px;
      background: rgba(15, 23, 42, 0.7);
      color: var(--text-primary);
      border: 1px solid var(--border-strong);
      font-weight: 600;
      font-size: 0.98rem;
      backdrop-filter: blur(10px);
      transition: all var(--transition-base);
    }
    .btn-secondary-custom:hover {
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      color: var(--text-primary);
    }
    .hero-status-bar {
      display: flex;
      flex-wrap: wrap;
      gap: clamp(10px, 2vw, 20px);
      padding: 14px 20px;
      border-radius: var(--radius-md);
      background: var(--bg-glass);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border-color);
    }
    .hero-status-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 500;
      color: var(--text-secondary);
      white-space: nowrap;
    }
    .hero-status-item i {
      color: var(--color-secondary);
      width: 16px;
      text-align: center;
    }
    .hero-status-item .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #10B981;
      box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
      animation: pulse-dot 2s infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(1.3); }
    }
    
    /* ===================== Sections Common ===================== */
    .section {
      padding: var(--section-padding);
    }
    .section-alt {
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-secondary);
      background: rgba(56, 189, 248, 0.06);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      margin-bottom: 14px;
      line-height: 1.25;
    }
    .section-subtitle {
      font-size: 1rem;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 720px;
      margin-bottom: 36px;
    }
    .text-secondary-custom {
      color: var(--text-secondary) !important;
    }
    
    /* ===================== Stats Board ===================== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    @media (max-width: 992px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 520px) {
      .stats-grid {
        grid-template-columns: 1fr;
      }
    }
    .stat-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 20px;
      transition: all var(--transition-base);
      position: relative;
      overflow: hidden;
    }
    .stat-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
      opacity: 0;
      transition: opacity var(--transition-base);
    }
    .stat-card:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-glow);
      transform: translateY(-3px);
    }
    .stat-card:hover::before {
      opacity: 1;
    }
    .stat-value {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      line-height: 1.2;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.85rem;
      color: var(--text-secondary);
      font-weight: 500;
    }
    .stat-icon {
      position: absolute;
      top: 18px;
      right: 18px;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: rgba(56, 189, 248, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-secondary);
      font-size: 1.1rem;
    }
    
    /* ===================== Game Matrix / Cards ===================== */
    .game-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    @media (max-width: 992px) {
      .game-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 620px) {
      .game-grid {
        grid-template-columns: 1fr;
      }
    }
    .game-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: all var(--transition-base);
      position: relative;
    }
    .game-card:hover {
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow-lg);
      transform: translateY(-4px);
    }
    .game-card-media {
      position: relative;
      height: 180px;
      overflow: hidden;
    }
    .game-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }
    .game-card:hover .game-card-media img {
      transform: scale(1.05);
    }
    .game-card-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      padding: 5px 12px;
      border-radius: 999px;
      background: rgba(3, 7, 18, 0.82);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border-strong);
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      color: var(--color-secondary);
      text-transform: uppercase;
    }
    .game-card-body {
      padding: 18px 20px 20px;
    }
    .game-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 6px;
      letter-spacing: -0.01em;
    }
    .game-card-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .game-card-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .game-card-meta span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .game-card-meta i {
      color: var(--color-secondary);
    }
    
    /* ===================== Info List / Article List ===================== */
    .info-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .info-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 18px 20px;
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      transition: all var(--transition-base);
    }
    .info-item:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-sm);
      transform: translateX(2px);
    }
    .info-item-icon {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(56, 189, 248, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-secondary);
      font-size: 1.15rem;
    }
    .info-item-content {
      flex: 1;
    }
    .info-item-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 4px;
    }
    .info-item-desc {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    
    /* ===================== Trust / Security ===================== */
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 992px) {
      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 620px) {
      .trust-grid {
        grid-template-columns: 1fr;
      }
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px 18px;
      background: var(--bg-glass);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      transition: all var(--transition-fast);
    }
    .trust-item:hover {
      border-color: var(--border-strong);
      background: var(--bg-card);
    }
    .trust-icon {
      width: 42px;
      height: 42px;
      border-radius: 11px;
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(56, 189, 248, 0.1));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--color-secondary);
      flex-shrink: 0;
    }
    .trust-text strong {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 2px;
    }
    .trust-text span {
      font-size: 0.78rem;
      color: var(--text-secondary);
    }
    
    /* ===================== FAQ ===================== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition-fast);
    }
    .faq-item:hover {
      border-color: var(--border-strong);
    }
    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-primary);
      list-style: none;
      transition: color var(--transition-fast);
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary:hover {
      color: var(--color-secondary);
    }
    .faq-item summary .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(56, 189, 248, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      color: var(--color-secondary);
      transition: transform var(--transition-fast);
    }
    .faq-item[open] summary .faq-icon {
      transform: rotate(45deg);
    }
    .faq-item .faq-body {
      padding: 0 22px 20px;
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    
    /* ===================== CTA Section ===================== */
    .cta-section {
      padding: var(--section-padding);
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(8, 18, 41, 0.85) 60%, rgba(3, 7, 18, 0.95) 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.08), transparent 60%);
      pointer-events: none;
    }
    .cta-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 700px;
      margin: 0 auto;
    }
    .cta-title {
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      margin-bottom: 14px;
    }
    .cta-subtitle {
      font-size: 1rem;
      color: var(--text-secondary);
      margin-bottom: 28px;
      line-height: 1.7;
    }
    .cta-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
    }
    
    /* ===================== Footer ===================== */
    .site-footer {
      background: var(--bg-card-solid);
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      margin-top: auto;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }
    @media (max-width: 992px) {
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 560px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }
    .footer-brand .logo {
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 400px;
    }
    .footer-col h4 {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col ul li a {
      font-size: 0.85rem;
      color: var(--text-secondary);
      transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
      color: var(--color-secondary);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      flex-wrap: wrap;
    }
    .footer-bottom p {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin: 0;
    }
    .social-links {
      display: flex;
      gap: 10px;
    }
    .social-links a {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: rgba(96, 165, 250, 0.06);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      transition: all var(--transition-fast);
    }
    .social-links a:hover {
      border-color: var(--border-strong);
      background: rgba(56, 189, 248, 0.1);
      box-shadow: var(--shadow-sm);
    }
    
    /* ===================== FAB - Cyber & Neon ===================== */
    .fab-cyber {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 1050;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: rgba(7, 7, 13, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 2px solid transparent;
      background-image: linear-gradient(rgba(7, 7, 13, 0.82), rgba(7, 7, 13, 0.82)), 
                        linear-gradient(135deg, #A3E635, #06B6D4);
      background-origin: border-box;
      background-clip: padding-box, border-box;
      box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: #06B6D4;
      opacity: 0.75;
      animation: fab-pulse 3s infinite;
      transition: all var(--transition-base);
      cursor: pointer;
    }
    .fab-cyber:hover {
      opacity: 1;
      box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
      transform: scale(1.08);
      color: #A3E635;
    }
    .fab-cyber:active {
      transform: scale(0.94);
    }
    .fab-cyber .notification-dot {
      position: absolute;
      top: -2px;
      right: -2px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #F43F5E;
      border: 2px solid #07070D;
      animation: pulse-dot 1.5s infinite;
    }
    @keyframes fab-pulse {
      0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); }
      50% { box-shadow: 0 0 28px rgba(6, 182, 212, 0.65); }
    }
    
    /* ===================== Responsive Nav ===================== */
    @media (max-width: 992px) {
      .nav-toggle {
        display: flex;
      }
      .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(3, 7, 18, 0.97);
        backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
        gap: 6px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        display: none;
        z-index: 1029;
      }
      .main-nav.open {
        display: flex;
      }
      .main-nav a {
        padding: 12px 16px;
        border-radius: 10px;
        font-size: 1rem;
      }
      .main-nav a.active::after {
        display: none;
      }
      .header-actions {
        margin-left: auto;
      }
    }
    @media (max-width: 520px) {
      .btn-login, .btn-register {
        padding: 8px 14px;
        font-size: 0.8rem;
      }
      .logo-text small {
        display: none;
      }
      .logo-icon {
        width: 38px;
        height: 38px;
        font-size: 1.2rem;
      }
      .hero-status-bar {
        gap: 8px;
        padding: 12px 16px;
      }
      .hero-status-item {
        font-size: 0.72rem;
      }
      .game-card-media {
        height: 150px;
      }
      .stat-value {
        font-size: 1.5rem;
      }
    }

/* roulang page: category3 */
:root {
  --bg-primary: #030712;
  --bg-secondary: #081229;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-solid: #0B1220;
  --bg-glass: rgba(15, 23, 42, 0.55);
  --bg-glass-light: rgba(15, 23, 42, 0.35);
  --color-primary: #2563EB;
  --color-secondary: #38BDF8;
  --color-accent: #60A5FA;
  --color-glow: rgba(56, 189, 248, 0.45);
  --color-danger: #EF4444;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-on-gradient: #FFFFFF;
  --border-color: rgba(96, 165, 250, 0.18);
  --border-strong: rgba(96, 165, 250, 0.35);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 50%;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.38);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 22px rgba(56, 189, 248, 0.35);
  --shadow-glow-lg: 0 0 42px rgba(37, 99, 235, 0.5);
  --shadow-glow-blue: 0 0 24px rgba(37, 99, 235, 0.4);
  --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
  --max-width: 1200px;
  --header-height: 78px;
  --header-height-mobile: 66px;
  --section-padding: 72px 0;
  --section-padding-mobile: 48px 0;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.18), transparent 55%),
    radial-gradient(ellipse at 90% 20%, rgba(56, 189, 248, 0.08), transparent 45%),
    radial-gradient(ellipse at 10% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
  background-attachment: fixed;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

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

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

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
}

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(96, 165, 250, 0.12);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(3, 7, 18, 0.96);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
  border-bottom-color: rgba(96, 165, 250, 0.22);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: clamp(14px, 3vw, 28px);
}

.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 1.15rem;
  background: linear-gradient(135deg, #F8FAFC, #A5B4FC);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.logo-text small {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 14px);
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 10px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(96, 165, 250, 0.08);
}

.main-nav a.active {
  color: var(--color-secondary);
  background: rgba(56, 189, 248, 0.1);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

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

.btn-login {
  padding: 9px 18px;
  border-radius: 10px;
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid rgba(56, 189, 248, 0.4);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-login:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.btn-register {
  padding: 9px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.42);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-register:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.6);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: rgba(96, 165, 250, 0.08);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* ========== HERO ========== */
.hero {
  padding: calc(var(--header-height) + 48px) 0 56px;
  position: relative;
  overflow: hidden;
  min-height: auto;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/3f7b5f4ccb2c81b2.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.55) 0%, rgba(3, 7, 18, 0.85) 60%, rgba(3, 7, 18, 1) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: clamp(30px, 5vw, 60px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--border-strong);
  color: var(--color-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.hero-badge i {
  font-size: 0.9rem;
}

.hero-brand {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #FFFFFF 30%, #A5B4FC 60%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-primary {
  padding: 14px 28px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  right: 0;
  bottom: 0;
  width: 60%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: skewX(-20deg);
  transition: left var(--transition-slow);
}

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

.btn-primary:hover::after {
  left: 150%;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-glow);
}

.btn-outline-light {
  padding: 14px 24px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.5);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-outline-light:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.hero-point i {
  color: var(--color-secondary);
  font-size: 1rem;
}

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

.countdown-wrap {
  position: relative;
  text-align: center;
}

.countdown-ring {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
}

.countdown-ring svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.countdown-ring .ring-bg {
  fill: none;
  stroke: rgba(96, 165, 250, 0.12);
  stroke-width: 8;
}

.countdown-ring .ring-progress {
  fill: none;
  stroke: url(#ringGradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 263.9;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.5s ease;
  filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.5));
}

.countdown-number {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.countdown-number .value {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, #FCD34D, #F59E0B);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.countdown-number .label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 2px;
}

.hero-visual-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow-md);
  max-width: 380px;
  width: 100%;
}

.hero-visual-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.hero-visual-card .point-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-visual-card .point-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.hero-visual-card .point-list li i {
  color: var(--color-secondary);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ========== SECTIONS ========== */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  margin-bottom: 36px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--border-color);
  color: var(--color-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
}

/* ========== METRICS ========== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.metric-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

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

.metric-value {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #FFFFFF, var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ========== SERVICE MATRIX ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.service-card .service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.2));
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-secondary);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.service-card .service-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
  width: fit-content;
  margin-top: auto;
}

/* ========== COMPARISON ========== */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.compare-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  position: relative;
}

.compare-card.old {
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.compare-card.new {
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-glow-blue);
}

.compare-card.new::before {
  content: 'KHUYẾN NGHỊ';
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 50px;
  letter-spacing: 0.06em;
}

.compare-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.compare-card.old h3 {
  color: var(--text-muted);
}

.compare-card.new h3 {
  color: var(--color-secondary);
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.compare-list li i {
  font-size: 1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.compare-list.fail li i {
  color: var(--color-danger);
}

.compare-list.pass li i {
  color: var(--color-success);
}

.compare-list li span {
  color: var(--text-secondary);
}

.compare-list.pass li span {
  color: var(--text-primary);
}

/* ========== STEPS / MILESTONE ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step-counter;
}

.step-item {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.step-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 14px;
  box-shadow: var(--shadow-glow);
}

.step-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ========== NEWS LIST ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.news-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-card .news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.news-card .news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.news-card:hover h3 {
  color: var(--color-secondary);
}

.news-card p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex-grow: 1;
}

.news-card .news-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.news-card .news-link:hover {
  gap: 8px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1rem;
  grid-column: 1 / -1;
}

/* ========== TRUST / SECURITY ========== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-base);
}

.trust-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.trust-item h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.trust-item p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  background: transparent;
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-question i {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--text-muted);
}

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

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ========== CTA / CONVERT ========== */
.cta-section {
  background: linear-gradient(180deg, transparent 0%, rgba(8, 18, 41, 0.5) 50%, transparent 100%);
}

.cta-box {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: clamp(32px, 5vw, 48px);
  text-align: center;
  box-shadow: var(--shadow-glow-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.08), transparent 60%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.cta-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  text-align: left;
}

.cta-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cta-form .form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.cta-form .form-field input,
.cta-form .form-field select {
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(3, 7, 18, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.cta-form .form-field input:focus,
.cta-form .form-field select:focus {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
  outline: none;
}

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

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

.cta-form button[type="submit"] {
  grid-column: 1 / -1;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
}

.cta-form button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

.cta-form button[type="submit"]:active {
  transform: translateY(0);
}

.form-note {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: rgba(3, 7, 18, 0.92);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  margin-top: auto;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand .logo {
  font-size: 1.2rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ========== FAB ========== */
.fab {
  position: fixed;
  left: 16px;
  bottom: 96px;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: rgba(7, 7, 13, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid transparent;
  background-clip: padding-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-secondary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
  transition: all var(--transition-base);
  cursor: pointer;
  opacity: 0.75;
  position: relative;
}

.fab::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  padding: 2px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary), var(--color-secondary));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}

.fab:hover {
  opacity: 1;
  box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
  transform: scale(1.08);
}

.fab:active {
  transform: scale(0.95);
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.55);
}

.fab .fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--color-danger);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
  animation: fabPulse 1.8s ease-in-out infinite;
}

@keyframes fabPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-points {
    justify-content: center;
  }
  .hero-visual {
    order: 2;
  }
  .hero-visual-card {
    margin: 0 auto;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 66px;
    --section-padding: 48px 0;
  }
  .header-inner {
    gap: 10px;
  }
  .hamburger {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(3, 7, 18, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: 10px;
    text-align: left;
  }
  .main-nav a.active::after {
    display: none;
  }
  .header-actions {
    gap: 6px;
  }
  .btn-login {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  .btn-register {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  .logo-text small {
    display: none;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  .logo-text strong {
    font-size: 1.05rem;
  }
  .hero {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 40px;
  }
  .hero-brand {
    font-size: clamp(1.8rem, 6vw, 2.6rem);
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .btn-primary,
  .btn-outline-light {
    justify-content: center;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .metrics-grid,
  .services-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .cta-form {
    grid-template-columns: 1fr;
  }
  .cta-form .form-full,
  .cta-form button[type="submit"],
  .form-note {
    grid-column: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: center;
  }
  .social-links {
    margin: 0 auto;
  }
  .footer-bottom p {
    text-align: center;
  }
  .countdown-ring {
    width: 160px;
    height: 160px;
  }
  .countdown-ring svg circle {
    r: 42;
  }
  .countdown-number .value {
    font-size: 2.2rem;
  }
  .fab {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 1.1rem;
    left: 12px;
    bottom: 80px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero-points {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .hero-visual-card {
    padding: 20px;
  }
  .countdown-ring {
    width: 130px;
    height: 130px;
  }
  .countdown-ring svg circle {
    r: 34;
  }
  .countdown-number .value {
    font-size: 1.8rem;
  }
  .countdown-number .label {
    font-size: 0.7rem;
  }
  .metric-value {
    font-size: 1.8rem;
  }
  .section-header {
    margin-bottom: 24px;
  }
  .cta-box {
    padding: 24px 20px;
  }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}