/* roulang page: index */
:root {
  --primary: #8B5CF6;
  --primary-light: #A78BFA;
  --secondary: #3B82F6;
  --secondary-light: #60A5FA;
  --bg-body: #060B16;
  --bg-panel: #0B1322;
  --glass-bg: rgba(23, 32, 50, 0.6);
  --glass-border: rgba(148, 163, 184, 0.15);
  --text-main: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --star: #F59E0B;
  --success: #10B981;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --radius-xs: 10px;
  --shadow-base: 0 4px 20px rgba(2, 6, 23, 0.45);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.4);
  --glow-primary: 0 0 24px rgba(139, 92, 246, 0.35);
  --gradient-main: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(ellipse at 15% 0%, rgba(139, 92, 246, 0.12), transparent 60%),
    radial-gradient(ellipse at 85% 100%, rgba(59, 130, 246, 0.10), transparent 60%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; }
section { position: relative; }

/* ===== Buttons ===== */
.btn {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 15px;
  line-height: 1.5;
}
.btn:focus, .btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}
.btn:active { transform: translateY(1px); }
.btn-glow {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-glow:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 32px rgba(139, 92, 246, 0.5);
  transform: translateY(-1px);
  color: #fff;
}
.btn-glow:focus { box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25), var(--glow-primary); }
.btn-glass {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--text-main);
}
.btn-glass:hover {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.1);
  color: var(--text-main);
  transform: translateY(-1px);
}
.btn-lg { padding: 14px 40px; font-size: 16px; border-radius: var(--radius-sm); }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }

/* ===== Nav Panel ===== */
.site-nav {
  position: sticky;
  top: 16px;
  z-index: 1050;
  margin-top: 16px;
  background: rgba(11, 19, 34, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(2, 6, 23, 0.5);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 16px;
  min-height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
}
.nav-logo:hover { color: var(--text-main); }
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
}
.nav-card-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  position: relative;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-card-link .nav-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(139, 92, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary-light);
  flex-shrink: 0;
}
.nav-card-link:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--text-main);
}
.nav-card-link.active {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--text-main);
}
.nav-card-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.6);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-cta .btn { padding: 10px 20px; font-size: 14px; }
.navbar-toggler {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  background: transparent;
  padding: 8px 10px;
  display: none;
}
.navbar-toggler .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s;
}
.navbar-toggler:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

/* ===== Hero ===== */
.hero {
  padding: 80px 0 60px;
  position: relative;
}
.hero .row { align-items: center; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 24px;
}
.hero-eyebrow i { font-size: 12px; }
.hero-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-title .grad-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-btn-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 13px;
}
.hero-stats .stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-stats .stat-num {
  color: var(--text-main);
  font-weight: 800;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.hero-stats .stat-divider {
  width: 1px;
  height: 16px;
  background: rgba(148, 163, 184, 0.2);
}
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.15), rgba(59, 130, 246, 0.08));
  border: 1px solid var(--glass-border);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.6);
  backdrop-filter: blur(14px);
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), transparent 40%, var(--secondary));
  z-index: -1;
  filter: blur(24px);
  opacity: 0.35;
}
.hero-visual .hero-image {
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
  aspect-ratio: 16/10;
}
.float-card {
  position: absolute;
  background: rgba(11, 19, 34, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.5);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatY 3.5s ease-in-out infinite alternate;
}
.float-card .fc-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 16px;
  flex-shrink: 0;
}
.float-card .fc-label {
  font-size: 11px;
  color: var(--text-muted);
}
.float-card .fc-value {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}
.float-card-top {
  top: 28px;
  left: -24px;
}
.float-card-bottom {
  bottom: 28px;
  right: -18px;
  animation-delay: 1s;
}
@keyframes floatY {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* ===== Section Common ===== */
.section-block { padding: 70px 0; }
.section-header {
  margin-bottom: 40px;
}
.section-header h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
.section-header h2::before {
  content: '';
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--gradient-main);
  flex-shrink: 0;
}
.section-header .section-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 18px;
}

/* ===== Data Strip ===== */
.data-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: rgba(11, 19, 34, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-hover);
}
.stat-card .stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-card .stat-unit {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-light);
  margin-left: 4px;
}
.stat-card .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== Feature Slider ===== */
.feature-section {
  background: rgba(11, 19, 34, 0.3);
  border-top: 1px solid rgba(148, 163, 184, 0.06);
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}
.feature-slider { position: relative; }
.feature-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 12px;
  scroll-behavior: smooth;
}
.feature-track::-webkit-scrollbar { display: none; }
.feature-slide {
  flex: 0 0 28%;
  margin-right: 2%;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}
.game-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}
.game-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-hover);
}
.game-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 14px 14px 0 0;
}
.game-card-body {
  padding: 16px;
}
.game-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.game-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}
.carousel-arrow {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-base);
}
.carousel-arrow:hover {
  transform: translateY(-50%) scale(1.05);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}
.carousel-arrow:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}
.carousel-arrow.prev { left: -18px; }
.carousel-arrow.next { right: -18px; }
.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.carousel-dot {
  width: 20px;
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}
.carousel-dot.active {
  width: 32px;
  background: var(--gradient-main);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}
.carousel-dot:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

/* ===== System Requirements ===== */
.sys-device-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}
.sys-device-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}
.sys-device-item:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateX(4px);
}
.sys-device-item .device-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary-light);
  flex-shrink: 0;
}
.sys-device-item .device-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  flex: 1;
}
.status-badge {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  white-space: nowrap;
}
.sys-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.sys-table-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.sys-table-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sys-table-card h4 .tag-flag {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.15);
  color: var(--primary-light);
}
.sys-table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  font-size: 14px;
}
.sys-table-row:last-child { border-bottom: none; }
.sys-table-row .t-label {
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 12px;
}
.sys-table-row .t-value {
  color: var(--text-main);
  font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ===== News Section ===== */
.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.news-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  min-height: 120px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-hover);
}
.news-card-large {
  grid-column: 1 / -1;
  padding: 28px;
}
.news-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.12);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(139, 92, 246, 0.25);
  align-self: flex-start;
}
.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin: 8px 0 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-large .news-title { font-size: 20px; }
.news-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}
.news-meta i { margin-right: 4px; font-size: 12px; }
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}
.news-empty i {
  font-size: 40px;
  margin-bottom: 16px;
  color: rgba(148, 163, 184, 0.4);
}
.news-empty p { margin: 0; font-size: 15px; }

/* ===== Reviews ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-hover);
}
.review-stars {
  color: var(--star);
  font-size: 14px;
  letter-spacing: 3px;
}
.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}
.review-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.review-user {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}
.review-device {
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.1);
  color: var(--secondary-light);
  font-size: 12px;
  border: 1px solid rgba(96, 165, 250, 0.2);
}
.review-time {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Download CTA ===== */
.download-cta {
  text-align: center;
  padding: 80px 0;
  position: relative;
  background: linear-gradient(180deg, rgba(11, 19, 34, 0) 0%, rgba(139, 92, 246, 0.06) 50%, rgba(11, 19, 34, 0) 100%);
}
.download-cta .cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(10px);
}
.download-cta .container { position: relative; z-index: 1; }
.download-cta h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}
.download-cta p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 36px;
}
.download-btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.download-btn-group .btn { height: 52px; display: inline-flex; align-items: center; justify-content: center; }
.download-version {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
}
.scan-wrapper { position: relative; display: inline-block; }
.scan-popover {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-hover);
  z-index: 20;
  width: 160px;
  backdrop-filter: blur(14px);
}
.scan-wrapper:hover .scan-popover,
.scan-wrapper:focus-within .scan-popover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}
.scan-popover .qr-box {
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  color: var(--primary-light);
  border: 1px solid rgba(148, 163, 184, 0.1);
}
.scan-popover .qr-text {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 10px;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.faq-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: rgba(139, 92, 246, 0.3); }
.faq-item-header {
  width: 100%;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease;
}
.faq-item-header:hover { background: rgba(139, 92, 246, 0.05); }
.faq-item-header:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--primary);
}
.faq-qmark {
  color: var(--primary);
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.faq-icon {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item-body .faq-answer {
  padding: 0 20px 18px 46px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: rgba(6, 11, 22, 0.9);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  padding-top: 60px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 260px;
}
.footer-group h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
}
.footer-group ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-group ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.footer-group ul li a:hover { color: var(--primary-light); }
.footer-badges {
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.footer-badge i {
  color: var(--primary-light);
  font-size: 16px;
}
.footer-copyright {
  padding: 24px 0 32px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .site-nav { top: 0; margin-top: 0; border-radius: 0; }
  .navbar-toggler { display: block; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    margin-top: 12px;
  }
  .nav-links.show { display: flex; }
  .nav-cta { display: none; }
  .nav-inner { flex-wrap: wrap; }
  .hero { padding: 50px 0 40px; }
  .hero-title { font-size: 30px; }
  .hero-visual { margin-top: 40px; }
  .float-card-top { left: -8px; }
  .float-card-bottom { right: -8px; }
  .data-strip { grid-template-columns: 1fr 1fr; }
  .feature-slide { flex: 0 0 44%; margin-right: 3%; }
  .faq-grid { grid-template-columns: 1fr; }
  .sys-tables { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  .carousel-arrow.prev { left: -6px; }
  .carousel-arrow.next { right: -6px; }
}
@media (max-width: 767.98px) {
  .section-block { padding: 50px 0; }
  .section-header h2 { font-size: 22px; }
  .hero-title { font-size: 28px; }
  .download-cta .btn { width: 100%; max-width: 420px; }
  .news-list { grid-template-columns: 1fr; }
  .news-card-large { grid-column: auto; }
  .footer-top { grid-template-columns: 1fr; }
  .feature-slide { flex: 0 0 100%; margin-right: 0; }
  .hero-stats { gap: 14px; }
  .hero-stats .stat-divider { display: none; }
  .sys-table-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .sys-table-row .t-value { text-align: left; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-inner { padding: 12px 14px; }
  .nav-logo { font-size: 17px; }
  .logo-mark { width: 34px; height: 34px; }
  .float-card { padding: 10px 12px; }
  .float-card .fc-icon { width: 30px; height: 30px; font-size: 14px; }
  .float-card .fc-value { font-size: 13px; }
  .hero-btn-group .btn { width: 100%; }
  .data-strip { gap: 10px; }
  .stat-card { min-height: 88px; padding: 14px 12px; }
  .stat-card .stat-num { font-size: 26px; }
  .footer-badges { gap: 12px; }
}

/* roulang page: category1 */
:root {
            --primary: #8B5CF6;
            --primary-light: #A78BFA;
            --secondary: #3B82F6;
            --secondary-light: #60A5FA;
            --bg-page: #060B16;
            --bg-panel: #0B1322;
            --glass-bg: rgba(23, 32, 50, 0.6);
            --glass-border: rgba(148, 163, 184, 0.15);
            --text-main: #E2E8F0;
            --text-sec: #94A3B8;
            --text-weak: #64748B;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --radius-xs: 10px;
            --shadow-card: 0 4px 20px rgba(2, 6, 23, 0.45);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.35);
            --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            position: relative;
        }
        body::before {
            content: '';
            position: fixed;
            top: -120px;
            left: -120px;
            width: 480px;
            height: 480px;
            background: rgba(139, 92, 246, 0.12);
            filter: blur(120px);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }
        body::after {
            content: '';
            position: fixed;
            bottom: -100px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: rgba(59, 130, 246, 0.10);
            filter: blur(100px);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        ul {
            list-style: none;
        }
        i {
            font-style: normal;
        }
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border: none;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-glow {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .btn-glow:hover {
            filter: brightness(1.12);
            box-shadow: 0 0 32px rgba(139, 92, 246, 0.5);
            color: #fff;
        }
        .btn-glow:focus-visible {
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.35), var(--shadow-glow);
        }
        .btn-glass {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .btn-glass:hover {
            border-color: rgba(139, 92, 246, 0.6);
            color: var(--text-main);
            background: rgba(139, 92, 246, 0.08);
        }
        .btn-glass:focus-visible {
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
        }

        /* ===== 导航面板 ===== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0;
        }
        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(11, 19, 34, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: 18px;
            padding: 12px 20px;
            box-shadow: var(--shadow-card);
            min-height: 72px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .nav-logo:hover {
            color: var(--text-main);
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-card-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            color: var(--text-sec);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
            position: relative;
        }
        .nav-card-link .nav-icon {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(139, 92, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary-light);
            transition: all 0.2s ease;
        }
        .nav-card-link:hover {
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(139, 92, 246, 0.35);
            color: var(--text-main);
        }
        .nav-card-link.active {
            color: var(--text-main);
            background: rgba(139, 92, 246, 0.08);
            border-color: rgba(139, 92, 246, 0.25);
        }
        .nav-card-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px rgba(139, 92, 246, 0.6);
        }
        .nav-card-link.active .nav-icon {
            background: rgba(139, 92, 246, 0.25);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 9px 20px;
            font-size: 14px;
            border-radius: 10px;
        }
        .navbar-toggler {
            display: none;
            background: transparent;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 8px 10px;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }
        .navbar-toggler .bar {
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
            border-color: rgba(139, 92, 246, 0.5);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 90px 0 70px;
            z-index: 1;
            background: linear-gradient(180deg, rgba(11, 19, 34, 0.4) 0%, rgba(6, 11, 22, 0) 100%);
        }
        .page-hero .hero-bg {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            border-radius: 0;
            z-index: -1;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(139, 92, 246, 0.15);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 24px;
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 1px;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .page-hero .hero-sub {
            font-size: 17px;
            color: var(--text-sec);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-metrics {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-metrics .metric-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sec);
        }
        .hero-metrics .metric-item i {
            color: var(--primary-light);
            font-size: 15px;
        }
        .hero-metrics .metric-item strong {
            color: var(--text-main);
            font-size: 16px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            position: relative;
            z-index: 1;
            padding: 60px 0 80px;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.22);
            color: var(--primary-light);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            position: relative;
            display: inline-block;
            padding-left: 18px;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-primary);
        }
        .section-head .section-sub {
            color: var(--text-sec);
            font-size: 15px;
            line-height: 1.8;
        }
        .timeline-wrap {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(139, 92, 246, 0.7), rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.1));
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: calc(50% - 34px);
            margin-bottom: 48px;
            transition: transform 0.2s ease;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item:nth-child(odd) {
            margin-right: auto;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            margin-left: auto;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid rgba(139, 92, 246, 0.25);
            box-shadow: 0 0 14px rgba(139, 92, 246, 0.7);
        }
        .timeline-item:nth-child(odd)::after {
            right: -41px;
        }
        .timeline-item:nth-child(even)::after {
            left: -41px;
        }
        .timeline-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 26px 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            text-align: left;
        }
        .timeline-card:hover {
            transform: translateY(-4px);
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .timeline-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .timeline-version {
            background: var(--gradient-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            font-variant-numeric: tabular-nums;
        }
        .timeline-date {
            font-size: 13px;
            color: var(--text-weak);
            font-variant-numeric: tabular-nums;
        }
        .timeline-badge {
            display: inline-block;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.25);
            color: #34D399;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
        }
        .timeline-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .timeline-card ul {
            margin: 0;
            padding: 0;
        }
        .timeline-card ul li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 4px;
        }
        .timeline-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary-light);
        }

        /* ===== 更新热点 ===== */
        .update-features {
            position: relative;
            z-index: 1;
            padding: 60px 0 70px;
            background: rgba(11, 19, 34, 0.35);
        }
        .feat-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .feat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(139, 92, 246, 0.45);
            box-shadow: var(--shadow-hover);
        }
        .feat-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            margin: 0 auto 20px;
            box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
        }
        .feat-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .feat-card p {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .feat-stat {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary-light);
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid rgba(59, 130, 246, 0.2);
            padding: 4px 14px;
            border-radius: 999px;
            font-variant-numeric: tabular-nums;
        }

        /* ===== 升级注意事项 ===== */
        .upgrade-tips {
            position: relative;
            z-index: 1;
            padding: 70px 0;
        }
        .tips-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .tips-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--glass-border);
        }
        .tips-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }
        .tips-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 11, 22, 0) 40%, rgba(6, 11, 22, 0.5) 100%);
            border-radius: var(--radius-lg);
        }
        .tips-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
            padding-left: 18px;
            line-height: 1.35;
        }
        .tips-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-primary);
        }
        .tips-content>.tips-sub {
            color: var(--text-sec);
            font-size: 15px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .tips-list {
            display: grid;
            gap: 14px;
        }
        .tips-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            transition: all 0.2s ease;
        }
        .tips-list li:hover {
            border-color: rgba(139, 92, 246, 0.3);
            background: rgba(139, 92, 246, 0.04);
        }
        .tips-list li i {
            color: var(--primary-light);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
            width: 22px;
            text-align: center;
        }
        .tips-list li span {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.6;
        }

        /* ===== CTA 横条 ===== */
        .cta-bar {
            position: relative;
            z-index: 1;
            padding: 60px 0;
        }
        .cta-inner {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(59, 130, 246, 0.12));
            border: 1px solid rgba(139, 92, 246, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
        }
        .cta-inner h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .cta-inner p {
            color: var(--text-sec);
            font-size: 15px;
            margin-bottom: 28px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-btns .btn {
            padding: 14px 36px;
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            position: relative;
            z-index: 1;
            padding: 60px 0 80px;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 960px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 0;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: rgba(139, 92, 246, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: all 0.2s ease;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-q-mark {
            color: var(--primary);
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }
        .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(139, 92, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary-light);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
            margin: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            position: relative;
            z-index: 1;
            background: rgba(6, 11, 22, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 30px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-group h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-group ul {
            padding: 0;
            margin: 0;
        }
        .footer-group ul li {
            margin-bottom: 8px;
        }
        .footer-group ul li a {
            font-size: 14px;
            color: var(--text-sec);
            transition: color 0.2s ease;
        }
        .footer-group ul li a:hover {
            color: var(--primary-light);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            margin-bottom: 24px;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-sec);
        }
        .footer-badge i {
            color: var(--primary-light);
            font-size: 14px;
        }
        .footer-copyright {
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
            padding-top: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-top .footer-group:nth-child(4) {
                grid-column: auto;
            }
            .footer-top .footer-group:nth-child(5) {
                grid-column: auto;
            }
        }
        @media (max-width: 991.98px) {
            .site-nav .nav-inner {
                flex-wrap: wrap;
                padding: 12px 16px;
            }
            .nav-cta {
                display: none;
            }
            .page-hero {
                padding: 60px 0 50px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .timeline-wrap::before {
                left: 16px;
            }
            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                width: 100%;
                padding-left: 44px;
                margin-left: 0;
                margin-right: 0;
                text-align: left;
            }
            .timeline-item::after,
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 10px;
                right: auto;
            }
            .timeline-card {
                text-align: left;
            }
            .feat-cards {
                grid-template-columns: 1fr 1fr;
            }
            .tips-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .navbar-toggler {
                display: flex;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding-top: 14px;
                margin-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-card-link {
                width: 100%;
                justify-content: flex-start;
            }
            .nav-card-link.active::after {
                bottom: auto;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                width: 3px;
                height: 22px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-inner {
                padding: 40px 24px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-metrics {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .feat-cards {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-btns .btn {
                width: 100%;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding-bottom: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .page-hero {
                padding: 44px 0 36px;
            }
            .page-hero h1 {
                font-size: 26px;
                line-height: 1.4;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .timeline-section,
            .update-features,
            .upgrade-tips,
            .faq-section {
                padding: 44px 0;
            }
            .timeline-card {
                padding: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-badges {
                gap: 8px;
            }
            .footer-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .tips-img img {
                height: 220px;
            }
            .cta-inner {
                padding: 36px 20px;
            }
            .timeline-meta {
                gap: 8px;
            }
        }

/* roulang page: article */
:root {
            --primary: #8B5CF6;
            --primary-light: #A78BFA;
            --accent: #3B82F6;
            --accent-light: #60A5FA;
            --bg: #060B16;
            --panel: #0B1322;
            --glass: rgba(23, 32, 50, 0.6);
            --glass-border: rgba(148, 163, 184, 0.15);
            --text: #E2E8F0;
            --text-2: #94A3B8;
            --text-3: #64748B;
            --gold: #F59E0B;
            --success: #10B981;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --radius-xs: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(2, 6, 23, 0.45);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.35);
            --gradient: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-stack);
            color: var(--text);
            background:
                radial-gradient(600px 600px at 12% 6%, rgba(139, 92, 246, 0.12), transparent 60%),
                radial-gradient(700px 700px at 90% 95%, rgba(59, 130, 246, 0.10), transparent 60%),
                var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--primary-light);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1200px) {
            .container {
                max-width: 1200px;
            }
        }

        .btn {
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all .2s cubic-bezier(.4, 0, .2, 1);
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
        }

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

        .btn-glow {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 0 24px rgba(139, 92, 246, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .btn-glow:hover {
            color: #fff;
            filter: brightness(1.12);
            box-shadow: 0 0 32px rgba(139, 92, 246, 0.5);
            transform: translateY(-2px);
        }

        .btn-glass {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(10px);
        }

        .btn-glass:hover {
            color: var(--text);
            border-color: var(--primary);
            background: rgba(139, 92, 246, 0.12);
            transform: translateY(-2px);
        }

        /* ========== Navigation ========== */
        .site-nav {
            position: sticky;
            top: 16px;
            z-index: 1050;
            margin-bottom: 28px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 18px;
            height: 72px;
            padding: 0 20px;
            box-shadow: var(--shadow-card);
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--text);
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            color: #fff;
            box-shadow: var(--shadow-glow);
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-card-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 12px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            color: var(--text-2);
            font-size: 14px;
            font-weight: 500;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .nav-card-link:hover {
            background: rgba(139, 92, 246, 0.12);
            color: var(--text);
            border-color: rgba(139, 92, 246, 0.4);
            transform: translateY(-2px);
        }

        .nav-card-link.active {
            background: rgba(139, 92, 246, 0.15);
            color: #fff;
            border-bottom: 2px solid var(--primary);
            box-shadow: 0 0 18px rgba(139, 92, 246, 0.2);
        }

        .nav-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 13px;
            flex-shrink: 0;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-cta .btn {
            padding: 8px 16px;
            font-size: 14px;
        }

        .navbar-toggler {
            display: none;
            width: 42px;
            height: 42px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            cursor: pointer;
            padding: 0;
        }

        .navbar-toggler .bar {
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            display: block;
        }

        /* ========== Article Main ========== */
        .article-main {
            padding: 12px 0 90px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            border-radius: 14px;
            padding: 12px 20px;
            font-size: 13px;
            color: var(--text-2);
            margin-bottom: 28px;
        }

        .breadcrumb-bar a {
            color: var(--primary-light);
        }

        .breadcrumb-bar a:hover {
            color: #fff;
        }

        .breadcrumb-bar .sep {
            color: var(--text-3);
        }

        .breadcrumb-bar .current {
            color: var(--text-3);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 260px;
        }

        .article-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 40px 36px;
            margin-bottom: 24px;
        }

        .article-head {
            max-width: 820px;
            margin: 0 auto 28px;
        }

        .article-head h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.4;
            margin: 0 0 18px;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-2);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            color: var(--primary-light);
            font-size: 14px;
        }

        .article-body {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: #CBD5E1;
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 22px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 36px 0 16px;
            color: var(--text);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 14px;
            color: var(--text);
            line-height: 1.5;
        }

        .article-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 24px 0 10px;
            color: var(--text);
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 18px 22px;
            background: rgba(139, 92, 246, 0.08);
            border-left: 3px solid var(--primary);
            border-radius: 10px;
            color: var(--text-2);
            font-size: 15px;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body img {
            width: 100%;
            border-radius: 12px;
            margin: 16px 0 8px;
        }

        .article-body figure {
            margin: 24px 0;
        }

        .article-body figcaption {
            text-align: center;
            font-size: 12px;
            color: var(--text-3);
            margin-top: 6px;
        }

        .article-body a {
            color: var(--primary-light);
            border-bottom: 1px solid rgba(139, 92, 246, 0.3);
        }

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

        .article-body ul,
        .article-body ol {
            padding-left: 22px;
            margin-bottom: 22px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            font-size: 14px;
        }

        .article-body th {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            padding: 12px 14px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.3);
            text-align: left;
        }

        .article-body td {
            padding: 12px 14px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
            color: var(--text-2);
        }

        .article-body code {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--primary-light);
        }

        /* not found */
        .not-found {
            text-align: center;
            padding: 48px 20px;
        }

        .not-found h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
        }

        .not-found p {
            color: var(--text-2);
            margin: 12px 0 20px;
        }

        .not-found .btn {
            margin-top: 4px;
        }

        /* tags */
        .tag-row {
            max-width: 720px;
            margin: 36px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            font-size: 13px;
            color: var(--text-2);
            transition: all .2s ease;
        }

        .tag:hover {
            border-color: var(--primary);
            color: var(--text);
        }

        /* prev next */
        .prevnext-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 56px;
        }

        .prevnext-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            color: var(--text);
            transition: all .2s ease;
            text-decoration: none;
        }

        .prevnext-card:hover {
            border-color: rgba(139, 92, 246, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text);
        }

        .prevnext-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(139, 92, 246, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 15px;
            flex-shrink: 0;
        }

        .prevnext-card div {
            min-width: 0;
        }

        .prevnext-label {
            display: block;
            font-size: 12px;
            color: var(--text-3);
            margin-bottom: 2px;
        }

        .prevnext-card strong {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* section title */
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 4px;
            background: var(--gradient);
        }

        .section-sub {
            color: var(--text-3);
            font-size: 14px;
            margin-bottom: 32px;
            padding-left: 16px;
        }

        /* related */
        .related-section {
            margin-bottom: 56px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            overflow: hidden;
            color: var(--text);
            transition: all .2s ease;
            display: block;
            min-height: 280px;
        }

        .related-card:hover {
            border-color: rgba(139, 92, 246, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text);
        }

        .related-thumb {
            aspect-ratio: 4/3;
            background: var(--panel);
            overflow: hidden;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .related-info {
            padding: 16px 18px 18px;
        }

        .related-cat {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.2);
            color: var(--primary-light);
            font-size: 12px;
            margin-bottom: 10px;
        }

        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-date {
            font-size: 13px;
            color: var(--text-3);
        }

        .related-empty {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            text-align: center;
            padding: 64px 20px;
            color: var(--text-3);
        }

        .related-empty i {
            font-size: 42px;
            color: var(--text-3);
            opacity: .5;
            display: block;
            margin-bottom: 14px;
        }

        .related-empty p {
            margin: 0;
            font-size: 15px;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 56px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-md);
            padding: 0;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .faq-item.open {
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: 0 0 18px rgba(139, 92, 246, 0.08);
        }

        .faq-q {
            width: 100%;
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            border-radius: var(--radius-md);
            cursor: pointer;
        }

        .faq-q .q-mark {
            color: var(--primary);
            font-weight: 800;
            font-size: 16px;
        }

        .faq-q .fa-plus {
            margin-left: auto;
            color: var(--text-3);
            transition: transform .3s ease;
            font-size: 14px;
        }

        .faq-item.open .faq-q .fa-plus {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-answer {
            padding: 0 20px 18px 46px;
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-answer p {
            margin: 0;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
        }

        /* CTA */
        .cta-block {
            position: relative;
            background:
                radial-gradient(circle at 50% 100%, rgba(139, 92, 246, 0.22), transparent 65%),
                var(--panel);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 56px 32px;
            text-align: center;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(360px 160px at 50% 0%, rgba(139, 92, 246, 0.18), transparent 70%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-block p {
            color: var(--text-2);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
        }

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

        .cta-buttons .btn {
            height: 48px;
            padding: 0 32px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--panel);
            border-top: 1px solid var(--glass-border);
            padding: 64px 0 28px;
            position: relative;
            z-index: 1;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            max-width: 260px;
        }

        .footer-group h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

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

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

        .footer-group a {
            color: var(--text-2);
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-group a:hover {
            color: var(--primary-light);
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.06);
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            color: var(--text-2);
            font-size: 13px;
        }

        .footer-badge i {
            color: var(--primary-light);
        }

        .footer-copyright {
            text-align: center;
            color: var(--text-3);
            font-size: 13px;
            padding-top: 22px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (max-width: 991px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }

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

            .article-head h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 767px) {
            .navbar-toggler {
                display: inline-flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 76px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                gap: 8px;
                background: rgba(8, 14, 26, 0.98);
                border: 1px solid var(--glass-border);
                backdrop-filter: blur(18px);
                border-radius: 18px;
                padding: 16px;
                box-shadow: var(--shadow-hover);
            }

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

            .nav-card-link {
                width: 100%;
                padding: 12px 14px;
            }

            .nav-cta {
                display: none;
            }

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

            .article-card {
                padding: 28px 20px;
            }

            .cta-block {
                padding: 40px 20px;
            }

            .cta-block h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-nav {
                top: 10px;
            }

            .nav-inner {
                height: 64px;
                padding: 0 14px;
            }

            .nav-logo {
                font-size: 15px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }

            .breadcrumb-bar {
                font-size: 12px;
                padding: 10px 14px;
            }

            .breadcrumb-bar .current {
                max-width: 140px;
            }

            .article-card {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }

            .article-head h1 {
                font-size: 24px;
                line-height: 1.45;
            }

            .meta-row {
                gap: 10px;
                font-size: 12px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

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

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

            .section-title {
                font-size: 22px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

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

            .footer-brand p {
                max-width: 100%;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #8B5CF6;
      --primary-light: #A78BFA;
      --secondary: #3B82F6;
      --secondary-light: #60A5FA;
      --bg-deep: #060B16;
      --bg-panel: #0B1322;
      --glass-bg: rgba(23, 32, 50, 0.6);
      --glass-border: rgba(148, 163, 184, 0.15);
      --text-main: #E2E8F0;
      --text-sub: #94A3B8;
      --text-dim: #64748B;
      --star: #F59E0B;
      --success: #10B981;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-base: 0 4px 20px rgba(2, 6, 23, 0.45);
      --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.35);
      --gradient-main: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: #060B16;
      color: #E2E8F0;
      line-height: 1.8;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before,
    body::after {
      content: '';
      position: fixed;
      z-index: 0;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      filter: blur(120px);
      pointer-events: none;
    }
    body::before {
      top: -80px;
      left: -80px;
      background: rgba(139, 92, 246, 0.12);
    }
    body::after {
      bottom: -80px;
      right: -80px;
      background: rgba(59, 130, 246, 0.10);
    }

    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      display: block;
    }
    button {
      font-family: inherit;
    }

    .container {
      position: relative;
      z-index: 1;
      max-width: 1200px;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* ======= 导航 ======= */
    .site-nav {
      position: sticky;
      top: 16px;
      z-index: 1000;
      padding: 0;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(11, 19, 34, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(148, 163, 184, 0.15);
      border-radius: 18px;
      padding: 12px 20px;
      box-shadow: 0 4px 20px rgba(2, 6, 23, 0.45);
      gap: 16px;
      flex-wrap: wrap;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #E2E8F0;
    }
    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--gradient-main);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 0 16px rgba(139, 92, 246, 0.3);
    }
    .navbar-toggler {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: 1px solid rgba(148, 163, 184, 0.2);
      border-radius: 10px;
      padding: 10px;
      cursor: pointer;
    }
    .navbar-toggler .bar {
      width: 20px;
      height: 2px;
      background: #94A3B8;
      border-radius: 2px;
      transition: all 0.3s ease;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }
    .nav-card-link {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: 12px;
      color: #94A3B8;
      font-size: 14px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      white-space: nowrap;
    }
    .nav-card-link .nav-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(148, 163, 184, 0.08);
      transition: all 0.2s ease;
    }
    .nav-card-link:hover {
      color: #E2E8F0;
      border-color: rgba(148, 163, 184, 0.2);
      transform: translateY(-2px);
      background: rgba(255, 255, 255, 0.02);
    }
    .nav-card-link:hover .nav-icon {
      background: rgba(139, 92, 246, 0.1);
      border-color: rgba(139, 92, 246, 0.3);
    }
    .nav-card-link.active {
      color: #A78BFA;
      border-color: rgba(139, 92, 246, 0.3);
      background: rgba(139, 92, 246, 0.08);
      position: relative;
    }
    .nav-card-link.active .nav-icon {
      background: rgba(139, 92, 246, 0.15);
      border-color: rgba(139, 92, 246, 0.4);
      color: #A78BFA;
    }
    .nav-card-link.active::after {
      content: '';
      position: absolute;
      bottom: 3px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 2px;
      background: var(--gradient-main);
      border-radius: 2px;
    }
    .nav-cta {
      display: flex;
      gap: 10px;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 52px;
      padding: 0 32px;
      border-radius: 12px;
      background: var(--gradient-main);
      color: #fff !important;
      font-weight: 700;
      font-size: 14px;
      border: none;
      box-shadow: 0 0 24px rgba(139, 92, 246, 0.35);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-glow:hover {
      background: linear-gradient(135deg, #A78BFA 0%, #60A5FA 100%);
      box-shadow: 0 0 32px rgba(139, 92, 246, 0.5);
      transform: translateY(-1px);
      color: #fff !important;
    }
    .btn-glow:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25), 0 0 24px rgba(139, 92, 246, 0.35);
    }
    .btn-glow:active {
      transform: translateY(1px);
    }
    .btn-glass {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 52px;
      padding: 0 24px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(148, 163, 184, 0.25);
      color: #E2E8F0 !important;
      font-weight: 600;
      font-size: 14px;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-glass:hover {
      border-color: rgba(139, 92, 246, 0.6);
      color: #A78BFA !important;
      background: rgba(139, 92, 246, 0.08);
    }
    .btn-glass:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
    }
    .btn-glass:active {
      transform: translateY(1px);
    }

    /* ======= 页面 Hero ======= */
    .page-hero {
      padding: 96px 0 64px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(59, 130, 246, 0.04) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    }
    .page-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 11, 22, 0.4) 0%, rgba(6, 11, 22, 0.9) 100%);
      pointer-events: none;
    }
    .page-hero .container {
      position: relative;
      z-index: 2;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      color: #A78BFA;
      background: rgba(139, 92, 246, 0.12);
      border: 1px solid rgba(139, 92, 246, 0.25);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .page-hero h1 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.3;
      color: #E2E8F0;
      margin-bottom: 16px;
      max-width: 720px;
    }
    .page-hero .hero-desc {
      font-size: 16px;
      color: #94A3B8;
      line-height: 1.8;
      max-width: 620px;
      margin-bottom: 24px;
    }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 8px;
    }
    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: #64748B;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(148, 163, 184, 0.1);
      border-radius: 999px;
      padding: 4px 14px;
    }
    .hero-meta i {
      color: #8B5CF6;
    }

    /* ======= 通用 section 头 ======= */
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 700;
      color: #A78BFA;
      background: rgba(139, 92, 246, 0.08);
      border: 1px solid rgba(139, 92, 246, 0.15);
      border-radius: 999px;
      padding: 5px 14px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-head h2 {
      font-size: 26px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 8px;
      position: relative;
      display: inline-block;
      padding-left: 16px;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 22px;
      border-radius: 4px;
      background: var(--gradient-main);
    }
    .section-head p {
      font-size: 14px;
      color: #64748B;
      max-width: 560px;
      margin: 0 auto;
    }

    /* ======= 对比卡片区 ======= */
    .compare-section {
      padding: 80px 0 40px;
    }
    .compare-list {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }
    .compare-card {
      background: rgba(23, 32, 50, 0.6);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(148, 163, 184, 0.15);
      border-radius: 20px;
      padding: 32px;
      box-shadow: 0 4px 20px rgba(2, 6, 23, 0.45);
      transition: border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease;
    }
    .compare-card:hover {
      border-color: rgba(139, 92, 246, 0.4);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }
    .compare-pair {
      display: flex;
      align-items: stretch;
      gap: 0;
    }
    .game-col {
      flex: 1;
      padding: 12px;
      min-width: 0;
    }
    .game-thumb {
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: var(--bg-panel);
    }
    .game-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .game-thumb:hover img {
      transform: scale(1.03);
    }
    .game-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(6, 11, 22, 0.85);
      backdrop-filter: blur(8px);
      color: #F59E0B;
      font-size: 13px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      border: 1px solid rgba(245, 158, 11, 0.3);
    }
    .game-info {
      padding: 16px 4px 0;
    }
    .game-info h3 {
      font-size: 20px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .game-info h3 i {
      color: #8B5CF6;
      font-size: 18px;
    }
    .game-info ul {
      list-style: none;
      padding: 0;
      margin: 0 0 14px;
    }
    .game-info ul li {
      position: relative;
      padding-left: 18px;
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.8;
    }
    .game-info ul li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 11px;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--gradient-main);
    }
    .game-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .game-tags span {
      font-size: 12px;
      padding: 3px 12px;
      border-radius: 999px;
      background: rgba(139, 92, 246, 0.1);
      border: 1px solid rgba(139, 92, 246, 0.2);
      color: #A78BFA;
      font-weight: 600;
    }
    .vs-col {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0 16px;
      flex-shrink: 0;
    }
    .vs-badge {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #fff;
      font-weight: 800;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 24px rgba(139, 92, 246, 0.35);
      letter-spacing: 0;
    }
    .compare-tip {
      margin-top: 24px;
      padding: 14px 20px;
      border-radius: 12px;
      background: rgba(139, 92, 246, 0.06);
      border-left: 3px solid #8B5CF6;
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.75;
    }
    .compare-tip strong {
      color: #A78BFA;
    }

    /* ======= 决策指南区 ======= */
    .guide-section {
      padding: 60px 0 80px;
    }
    .table-wrap {
      background: rgba(23, 32, 50, 0.6);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(148, 163, 184, 0.15);
      border-radius: 20px;
      padding: 28px;
      overflow-x: auto;
      margin-bottom: 40px;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 600px;
    }
    .compare-table th,
    .compare-table td {
      padding: 14px 16px;
      font-size: 14px;
      text-align: left;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
      color: #94A3B8;
      line-height: 1.6;
    }
    .compare-table th {
      font-weight: 700;
      color: #E2E8F0;
      font-size: 14px;
      background: rgba(255, 255, 255, 0.02);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td:first-child {
      color: #A78BFA;
      font-weight: 600;
      white-space: nowrap;
    }
    .guide-cards {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guide-card {
      background: rgba(23, 32, 50, 0.6);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(148, 163, 184, 0.15);
      border-radius: 14px;
      padding: 24px;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .guide-card:hover {
      transform: translateY(-4px);
      border-color: rgba(139, 92, 246, 0.5);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }
    .guide-card .guide-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(139, 92, 246, 0.12);
      border: 1px solid rgba(139, 92, 246, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: #A78BFA;
      margin-bottom: 16px;
    }
    .guide-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 6px;
    }
    .guide-card p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
      margin: 0;
    }

    /* ======= FAQ ======= */
    .faq-section {
      padding: 80px 0;
    }
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      max-width: 1090px;
      margin: 0 auto;
    }
    .faq-item {
      background: rgba(23, 32, 50, 0.6);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(148, 163, 184, 0.15);
      border-radius: 14px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item:hover {
      border-color: rgba(139, 92, 246, 0.35);
    }
    .faq-question {
      width: 100%;
      background: transparent;
      border: none;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 16px;
      font-weight: 700;
      color: #E2E8F0;
      text-align: left;
      cursor: pointer;
    }
    .faq-q {
      color: #8B5CF6;
      font-weight: 800;
      font-size: 16px;
      flex-shrink: 0;
    }
    .faq-plus {
      margin-left: auto;
      color: #94A3B8;
      font-size: 14px;
      transition: transform 0.3s ease, color 0.3s ease;
      flex-shrink: 0;
    }
    .faq-item.open .faq-plus {
      transform: rotate(45deg);
      color: #8B5CF6;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .faq-answer p {
      padding: 0 20px 18px;
      font-size: 14px;
      line-height: 1.8;
      color: #94A3B8;
      margin: 0;
    }

    /* ======= CTA ======= */
    .cta-strip {
      padding: 40px 0 100px;
    }
    .cta-inner {
      text-align: center;
      padding: 56px 40px;
      border-radius: 20px;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
      border: 1px solid rgba(139, 92, 246, 0.25);
      position: relative;
      overflow: hidden;
      backdrop-filter: blur(14px);
    }
    .cta-inner::before {
      content: '';
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(139, 92, 246, 0.12);
      filter: blur(80px);
      pointer-events: none;
    }
    .cta-inner h3 {
      font-size: 26px;
      font-weight: 800;
      color: #E2E8F0;
      margin-bottom: 12px;
      position: relative;
    }
    .cta-inner p {
      color: #94A3B8;
      font-size: 15px;
      margin-bottom: 28px;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
      position: relative;
    }
    .cta-btns {
      display: flex;
      gap: 16px;
      justify-content: center;
      position: relative;
      flex-wrap: wrap;
    }
    .cta-btns .btn-glow,
    .cta-btns .btn-glass {
      min-width: 180px;
    }

    /* ======= 页脚 ======= */
    .site-footer {
      background: rgba(6, 11, 22, 0.8);
      border-top: 1px solid rgba(148, 163, 184, 0.1);
      padding: 64px 0 0;
      position: relative;
      z-index: 1;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
      gap: 32px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 800;
      color: #E2E8F0;
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 14px;
      color: #64748B;
      line-height: 1.7;
      max-width: 260px;
    }
    .footer-group h4 {
      font-size: 14px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 16px;
    }
    .footer-group ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-group ul li {
      margin-bottom: 10px;
    }
    .footer-group a {
      font-size: 14px;
      color: #94A3B8;
      transition: color 0.2s ease;
    }
    .footer-group a:hover {
      color: #A78BFA;
    }
    .footer-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      padding: 24px 0;
      border-bottom: 1px solid rgba(148, 163, 184, 0.08);
      justify-content: center;
    }
    .footer-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #64748B;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(148, 163, 184, 0.1);
      border-radius: 999px;
      padding: 6px 16px;
    }
    .footer-badge i {
      color: #8B5CF6;
    }
    .footer-copyright {
      text-align: center;
      padding: 24px 0 32px;
      font-size: 13px;
      color: #64748B;
    }

    /* ======= 响应式 ======= */
    @media (max-width: 1199.98px) {
      .footer-top {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 991.98px) {
      .navbar-toggler {
        display: flex;
      }
      .nav-inner {
        padding: 12px 16px;
      }
      .nav-links {
        position: absolute;
        top: 68px;
        left: 20px;
        right: 20px;
        flex-direction: column;
        align-items: stretch;
        background: rgba(11, 19, 34, 0.98);
        border: 1px solid rgba(148, 163, 184, 0.15);
        border-radius: 16px;
        padding: 16px;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
        margin-left: 0;
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-card-link {
        padding: 10px 12px;
      }
      .nav-card-link.active::after {
        bottom: auto;
        top: 50%;
        left: 0;
        transform: translateY(-50%);
        width: 2px;
        height: 20px;
      }
      .nav-cta {
        display: flex;
        gap: 8px;
      }
      .compare-pair {
        flex-direction: column;
      }
      .vs-col {
        padding: 16px 0;
      }
      .vs-badge {
        width: 48px;
        height: 48px;
      }
      .guide-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .page-hero {
        padding: 72px 0 48px;
      }
      .page-hero h1 {
        font-size: 30px;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 767.98px) {
      .nav-cta .btn-glass {
        display: none;
      }
      .nav-cta .btn-glow {
        height: 44px;
        padding: 0 20px;
        font-size: 13px;
      }
      .compare-card {
        padding: 20px;
      }
      .compare-section {
        padding: 56px 0 24px;
      }
      .guide-section {
        padding: 40px 0 56px;
      }
      .section-head h2 {
        font-size: 22px;
      }
      .cta-inner {
        padding: 40px 20px;
      }
      .cta-btns {
        flex-direction: column;
        align-items: stretch;
      }
      .cta-btns .btn-glow,
      .cta-btns .btn-glass {
        width: 100%;
      }
    }

    @media (max-width: 575.98px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .page-hero h1 {
        font-size: 26px;
      }
      .page-hero .hero-desc {
        font-size: 14px;
      }
      .game-info h3 {
        font-size: 18px;
      }
      .game-info ul li {
        font-size: 13px;
      }
      .game-tags span {
        font-size: 11px;
      }
      .guide-cards {
        grid-template-columns: 1fr;
      }
      .table-wrap {
        padding: 16px;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-brand {
        grid-column: auto;
      }
      .cta-inner h3 {
        font-size: 22px;
      }
      .cta-inner p {
        font-size: 14px;
      }
    }

/* roulang page: category3 */
:root {
      --primary: #8B5CF6;
      --primary-light: #A78BFA;
      --secondary: #3B82F6;
      --secondary-light: #60A5FA;
      --bg-deep: #060B16;
      --bg-panel: #0B1322;
      --bg-glass: rgba(23, 32, 50, 0.6);
      --border-glass: rgba(148, 163, 184, 0.15);
      --text-primary: #E2E8F0;
      --text-secondary: #94A3B8;
      --text-muted: #64748B;
      --star-gold: #F59E0B;
      --success: #10B981;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --radius-pill: 999px;
      --shadow-card: 0 4px 20px rgba(2, 6, 23, 0.45);
      --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.35);
      --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 100%);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-stack);
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
    }

    body::before,
    body::after {
      content: '';
      position: fixed;
      border-radius: 50%;
      pointer-events: none;
      z-index: 0;
    }

    body::before {
      top: -120px;
      left: -120px;
      width: 480px;
      height: 480px;
      background: rgba(139, 92, 246, 0.12);
      filter: blur(120px);
    }

    body::after {
      bottom: -80px;
      right: -100px;
      width: 420px;
      height: 420px;
      background: rgba(59, 130, 246, 0.10);
      filter: blur(100px);
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    button,
    input {
      font-family: inherit;
    }

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

    .container {
      max-width: 1200px;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-spacing {
      padding: 80px 0;
    }

    [id] {
      scroll-margin-top: 118px;
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      text-decoration: none;
      border: 1px solid transparent;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      font-family: inherit;
      white-space: nowrap;
    }

    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
    }

    .btn-glow {
      background: var(--gradient-primary);
      color: #fff;
      box-shadow: var(--shadow-glow);
    }

    .btn-glow:hover {
      color: #fff;
      box-shadow: 0 0 36px rgba(139, 92, 246, 0.55);
      transform: translateY(-2px);
    }

    .btn-glow:active {
      transform: translateY(0);
      box-shadow: 0 0 18px rgba(139, 92, 246, 0.3);
    }

    .btn-glass {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(148, 163, 184, 0.25);
      color: var(--text-primary);
    }

    .btn-glass:hover {
      color: #fff;
      border-color: var(--primary);
      background: rgba(139, 92, 246, 0.12);
      transform: translateY(-2px);
    }

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

    /* ===== Navbar ===== */
    .site-nav {
      position: sticky;
      top: 16px;
      z-index: 1050;
      margin-top: 16px;
      background: rgba(11, 19, 34, 0.72);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glass);
      border-radius: 18px;
      box-shadow: 0 8px 32px rgba(2, 6, 23, 0.6);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      padding: 0 16px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: 0.5px;
      flex-shrink: 0;
    }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--gradient-primary);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 0 14px rgba(139, 92, 246, 0.4);
      flex-shrink: 0;
    }

    .navbar-toggler {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      border-radius: 10px;
      cursor: pointer;
      padding: 0 10px;
    }

    .navbar-toggler .bar {
      width: 100%;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: all 0.2s;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      justify-content: center;
      padding: 0 12px;
    }

    .nav-card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 14px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid transparent;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
    }

    .nav-card-link .nav-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(139, 92, 246, 0.12);
      color: var(--primary-light);
      font-size: 13px;
    }

    .nav-card-link:hover {
      color: var(--text-primary);
      border-color: var(--border-glass);
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-2px);
    }

    .nav-card-link.active {
      color: #fff;
      background: rgba(139, 92, 246, 0.1);
      border-color: rgba(139, 92, 246, 0.2);
    }

    .nav-card-link.active .nav-icon {
      background: rgba(139, 92, 246, 0.22);
      color: #fff;
    }

    .nav-card-link.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      box-shadow: 0 0 8px rgba(139, 92, 246, 0.6);
    }

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

    .nav-cta .btn {
      height: 40px;
      padding: 0 18px;
      font-size: 14px;
      border-radius: 10px;
    }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      margin-top: 48px;
      padding: 64px 48px 56px;
      text-align: center;
      background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-glass);
      z-index: 1;
    }

    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 11, 22, 0.72) 0%, rgba(6, 11, 22, 0.88) 100%);
      z-index: 1;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      background: rgba(139, 92, 246, 0.15);
      border: 1px solid rgba(139, 92, 246, 0.3);
      color: var(--primary-light);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .category-hero h1 {
      font-size: 40px;
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      margin: 0 0 16px;
      letter-spacing: 0.5px;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-secondary);
      max-width: 620px;
      margin: 0 auto 24px;
      line-height: 1.7;
    }

    .hero-meta {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 28px;
    }

    .hero-meta i {
      color: var(--primary-light);
      margin-right: 4px;
    }

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

    .hero-actions .btn {
      height: 50px;
      padding: 0 32px;
      font-size: 15px;
      border-radius: 12px;
    }

    /* ===== Anchor Nav ===== */
    .anchor-nav-wrap {
      position: sticky;
      top: 104px;
      z-index: 1040;
      margin: 40px 0 56px;
    }

    .anchor-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      background: rgba(11, 19, 34, 0.86);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glass);
      border-radius: 16px;
      padding: 14px 20px;
      box-shadow: var(--shadow-card);
    }

    .anchor-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .anchor-pill i {
      color: var(--primary);
      font-size: 14px;
    }

    .anchor-pill:hover {
      color: #fff;
      border-color: rgba(139, 92, 246, 0.5);
      box-shadow: 0 0 16px rgba(139, 92, 246, 0.2);
      transform: translateY(-2px);
    }

    /* ===== Guide Cards ===== */
    .guide-section {
      margin-bottom: 40px;
    }

    .guide-card {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      align-items: center;
      gap: 44px;
      padding: 40px;
      background: var(--bg-glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .guide-card:hover {
      border-color: rgba(139, 92, 246, 0.35);
      box-shadow: var(--shadow-hover);
    }

    .guide-card-body {
      min-width: 0;
    }

    .guide-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 46px;
      height: 30px;
      padding: 0 10px;
      border-radius: 8px;
      background: rgba(139, 92, 246, 0.15);
      border: 1px solid rgba(139, 92, 246, 0.3);
      color: var(--primary-light);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    .guide-card h2 {
      font-size: 26px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 14px;
      line-height: 1.4;
      position: relative;
      padding-left: 14px;
    }

    .guide-card h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      border-radius: 2px;
      background: var(--gradient-primary);
    }

    .guide-card-text {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .guide-list {
      display: grid;
      gap: 12px;
    }

    .guide-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px 16px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(148, 163, 184, 0.09);
      border-radius: 10px;
      font-size: 14px;
      color: var(--text-primary);
      transition: background 0.2s, border-color 0.2s;
    }

    .guide-list li:hover {
      background: rgba(139, 92, 246, 0.06);
      border-color: rgba(139, 92, 246, 0.2);
    }

    .guide-list i {
      color: var(--primary-light);
      font-size: 15px;
      line-height: 1.5;
      margin-top: 2px;
    }

    .guide-card-image {
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--border-glass);
      box-shadow: 0 0 32px rgba(139, 92, 246, 0.18);
    }

    .guide-card-image img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .guide-card:hover .guide-card-image img {
      transform: scale(1.03);
    }

    .guide-card:nth-child(even) .guide-card-image {
      order: -1;
    }

    /* ===== Top Games ===== */
    .top-games-section {
      margin: 72px 0 40px;
    }

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

    .section-header h2 {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
      position: relative;
      display: inline-block;
      padding-left: 16px;
    }

    .section-header h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      border-radius: 2px;
      background: var(--gradient-primary);
    }

    .section-header p {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 520px;
      margin: 0 auto;
    }

    .game-card {
      height: 100%;
      background: var(--bg-glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .game-card:hover {
      transform: translateY(-4px);
      border-color: rgba(139, 92, 246, 0.5);
      box-shadow: var(--shadow-hover);
    }

    .game-card-image {
      overflow: hidden;
      border-bottom: 1px solid var(--border-glass);
    }

    .game-card-image img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
    }

    .game-card-body {
      padding: 18px 20px 20px;
    }

    .game-card-title {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 8px;
    }

    .game-card-text {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .game-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .game-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      background: rgba(139, 92, 246, 0.1);
      border: 1px solid rgba(139, 92, 246, 0.2);
      color: var(--primary-light);
      font-size: 12px;
      font-weight: 500;
    }

    /* ===== FAQ ===== */
    .faq-section {
      margin: 72px 0 40px;
    }

    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-glass);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .faq-item.open {
      border-color: rgba(139, 92, 246, 0.35);
      box-shadow: 0 0 20px rgba(139, 92, 246, 0.08);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      width: 100%;
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      background: none;
      border: none;
      text-align: left;
      line-height: 1.5;
      transition: color 0.2s;
    }

    .faq-question:hover {
      color: #fff;
    }

    .faq-question .q-mark {
      color: var(--primary);
      font-weight: 800;
      margin-right: 6px;
    }

    .faq-toggle {
      color: var(--primary);
      transition: transform 0.3s ease;
      flex-shrink: 0;
      font-size: 18px;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 24px;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.8;
      transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 320px;
      padding: 0 24px 22px;
    }

    /* ===== CTA Bar ===== */
    .cta-bar {
      position: relative;
      margin: 72px 0 80px;
      padding: 52px 56px;
      text-align: center;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(59, 130, 246, 0.12));
      border: 1px solid rgba(139, 92, 246, 0.25);
      border-radius: var(--radius-lg);
      overflow: hidden;
      z-index: 1;
    }

    .cta-bar::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 280px;
      height: 280px;
      background: rgba(139, 92, 246, 0.16);
      filter: blur(80px);
      border-radius: 50%;
      z-index: 0;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
    }

    .cta-inner h2 {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .cta-inner p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 28px;
    }

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

    .cta-actions .btn {
      height: 52px;
      padding: 0 40px;
      font-size: 16px;
      border-radius: 12px;
    }

    /* ===== Footer ===== */
    .site-footer {
      position: relative;
      z-index: 1;
      background: rgba(6, 11, 22, 0.96);
      border-top: 1px solid var(--border-glass);
      padding: 56px 0 0;
      margin-top: 40px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 280px;
    }

    .footer-group h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

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

    .footer-group ul a {
      font-size: 14px;
      color: var(--text-secondary);
      transition: color 0.2s;
    }

    .footer-group ul a:hover {
      color: var(--primary-light);
    }

    .footer-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
      padding: 28px 0;
      border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    }

    .footer-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-glass);
      color: var(--text-secondary);
      font-size: 13px;
    }

    .footer-badge i {
      color: var(--primary-light);
    }

    .footer-copyright {
      text-align: center;
      padding: 24px 0 28px;
      font-size: 14px;
      color: var(--text-muted);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199.98px) {
      .category-hero h1 {
        font-size: 36px;
      }

      .footer-top {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 991.98px) {
      .section-spacing {
        padding: 56px 0;
      }

      .category-hero {
        padding: 48px 24px 44px;
      }

      .category-hero h1 {
        font-size: 32px;
      }

      .guide-card {
        grid-template-columns: 1fr;
        padding: 32px;
        gap: 28px;
      }

      .guide-card:nth-child(even) .guide-card-image {
        order: 0;
      }

      .guide-card-image img {
        width: 100%;
      }

      .anchor-nav-wrap {
        position: static;
        margin: 32px 0 40px;
      }

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

    @media (max-width: 767.98px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .nav-inner {
        height: 64px;
        padding: 0 12px;
      }

      .nav-logo {
        font-size: 16px;
      }

      .logo-mark {
        width: 36px;
        height: 36px;
        font-size: 12px;
      }

      .navbar-toggler {
        display: flex;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 12px;
        right: 12px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        background: rgba(11, 19, 34, 0.96);
        border: 1px solid var(--border-glass);
        border-radius: 16px;
        padding: 16px;
        box-shadow: 0 16px 40px rgba(2, 6, 23, 0.7);
        z-index: 1060;
      }

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

      .nav-card-link {
        justify-content: flex-start;
        padding: 12px 14px;
        height: auto;
      }

      .nav-card-link.active::after {
        display: none;
      }

      .nav-cta {
        display: none;
      }

      .category-hero {
        margin-top: 32px;
        padding: 40px 20px 36px;
      }

      .category-hero h1 {
        font-size: 28px;
      }

      .hero-subtitle {
        font-size: 15px;
      }

      .hero-meta {
        gap: 12px;
        flex-direction: column;
        align-items: center;
      }

      .anchor-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding: 12px 8px;
        -webkit-overflow-scrolling: touch;
      }

      .anchor-pill {
        flex-shrink: 0;
        padding: 9px 16px;
        font-size: 13px;
      }

      .guide-card {
        padding: 24px 20px;
      }

      .guide-card h2 {
        font-size: 22px;
      }

      .section-header h2 {
        font-size: 24px;
      }

      .section-header p {
        font-size: 14px;
      }

      .faq-question {
        font-size: 15px;
        padding: 18px 20px;
      }

      .faq-answer {
        padding: 0 20px;
      }

      .faq-item.open .faq-answer {
        padding: 0 20px 20px;
      }

      .cta-bar {
        margin: 56px 0 64px;
        padding: 40px 20px;
      }

      .cta-inner h2 {
        font-size: 24px;
      }

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

      .cta-actions .btn {
        width: 100%;
      }

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

      .footer-brand p {
        max-width: 100%;
      }

      .footer-badges {
        gap: 10px;
        padding: 20px 0;
      }

      .footer-badge {
        font-size: 12px;
        padding: 6px 12px;
      }

      .footer-copyright {
        font-size: 13px;
        padding: 18px 0 22px;
      }

      .game-card-body {
        padding: 16px;
      }
    }

    @media (max-width: 575.98px) {
      body {
        font-size: 15px;
      }

      .category-hero h1 {
        font-size: 26px;
        line-height: 1.35;
      }

      .hero-actions .btn {
        width: 100%;
        padding: 0 16px;
      }

      .guide-section {
        margin-bottom: 28px;
      }

      .guide-card {
        padding: 20px 16px;
      }

      .guide-card h2 {
        font-size: 20px;
      }

      .guide-list li {
        font-size: 13px;
        padding: 10px 12px;
      }

      .section-header h2 {
        font-size: 22px;
      }

      .game-card-title {
        font-size: 15px;
      }

      .game-card-text {
        font-size: 12px;
      }

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

      .faq-item.open .faq-answer {
        padding: 0 16px 16px;
      }

      .faq-answer {
        padding: 0 16px;
        font-size: 13px;
      }

      .cta-bar {
        padding: 32px 16px;
      }

      .cta-inner h2 {
        font-size: 21px;
      }

      .cta-inner p {
        font-size: 14px;
      }

      .footer-logo {
        font-size: 18px;
      }
    }