/* roulang page: index */
:root {
  --bg-primary: #0B0E1A;
  --bg-secondary: #0E1222;
  --bg-footer: #070910;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.055);
  --primary: #7C6CFF;
  --primary-light: #9387FF;
  --primary-dark: #5A4BD8;
  --secondary: #34E6E0;
  --success: #34D399;
  --warning: #FBBF24;
  --error: #F87171;
  --text-primary: #EAECF5;
  --text-secondary: #94A3B8;
  --text-muted: #6B7280;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.05);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --shadow-btn: 0 8px 20px rgba(108,92,231,0.25);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "JetBrains Mono", "Inter", monospace;
  --container-max: 1200px;
  --section-gap: clamp(80px, 12vw, 140px);
  --header-h: 88px;
  --header-h-scrolled: 60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}
.section { padding: var(--section-gap) 0; position: relative; }
.section:nth-child(even) { background: var(--bg-secondary); }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  background: rgba(52, 230, 224, 0.08);
  border: 1px solid rgba(52, 230, 224, 0.15);
  padding: 4px 14px;
  border-radius: var(--radius-tag);
  font-weight: 600;
  margin-bottom: 18px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 8px rgba(52, 230, 224, 0.7);
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.section-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 156px;
  height: 48px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  box-shadow: var(--shadow-btn);
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: 0 8px 28px rgba(108, 92, 231, 0.4), 0 0 0 1px rgba(52, 230, 224, 0.4);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 3px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 156px;
  height: 48px;
  padding: 0 24px;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255,255,255,0.25);
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn-ghost:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  box-shadow: 0 0 20px rgba(52,230,224,0.15);
}
.btn-ghost:active { transform: scale(0.98); }
.btn-ghost:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 3px;
}
.btn-lg { min-width: 180px; height: 54px; font-size: 1rem; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 14, 26, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}
.header-top-inner {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: height 0.3s ease;
}
.header-nav {
  border-top: 1px solid var(--border-light);
  transition: all 0.3s ease;
}
.header-nav-inner {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 28px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  transition: height 0.3s ease;
}
.header-nav-inner::-webkit-scrollbar { display: none; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-svg { flex-shrink: 0; }
.logo-text {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  line-height: 1.2;
}
.logo-text .logo-sub {
  display: block;
  font-size: 0.625rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.08em;
}
.header-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.season-tag {
  font-size: 0.75rem;
  color: var(--secondary);
  background: rgba(52,230,224,0.08);
  border: 1px solid rgba(52,230,224,0.15);
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  white-space: nowrap;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 200px;
  height: 34px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-tag);
  padding: 0 16px 0 38px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  width: 260px;
  border-color: var(--secondary);
  background: rgba(255,255,255,0.09);
  box-shadow: 0 0 0 3px rgba(52,230,224,0.1);
}
.search-box svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.btn-sm { min-width: auto; height: 34px; padding: 0 16px; font-size: 0.8125rem; box-shadow: none; }
.btn-sm:hover { box-shadow: 0 4px 12px rgba(108,92,231,0.3); }

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 7px 2px;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { transform: scaleX(0.5); }
.nav-link.active {
  color: var(--text-primary);
  font-weight: 600;
}
.nav-link.active::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.trend-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.trend-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.trend-tags a {
  font-size: 0.75rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-tag);
  padding: 2px 10px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.trend-tags a:hover {
  color: var(--secondary);
  border-color: rgba(52,230,224,0.4);
  background: rgba(52,230,224,0.06);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  border-radius: 6px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none;
  background: rgba(11, 14, 26, 0.97);
  border-top: 1px solid var(--border-light);
  padding: 16px 0;
}
.mobile-menu .container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: block; }
.mobile-link {
  font-size: 0.9375rem;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-primary);
  transition: background 0.2s ease;
}
.mobile-link:hover { background: rgba(255,255,255,0.06); }
.mobile-link.active {
  background: rgba(124,108,255,0.12);
  color: var(--primary-light);
  font-weight: 600;
}
.mobile-search {
  margin-bottom: 12px;
  padding: 0 16px;
}
.mobile-search input {
  width: 100%;
  height: 44px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 0.9375rem;
  color: var(--text-primary);
}
.mobile-search input::placeholder { color: var(--text-muted); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  overflow: hidden;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.45;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(124,108,255,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(52,230,224,0.08) 0%, transparent 50%),
              linear-gradient(180deg, rgba(11,14,26,0.7) 0%, var(--bg-primary) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: 60px;
  padding-bottom: 100px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(52,211,153,0.8);
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.hero h1 .star {
  color: var(--primary);
  position: relative;
}
.hero-sub {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 12px;
}
.hero-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  transition: color 0.3s ease;
}
.scroll-indicator:hover { color: var(--secondary); }
.scroll-indicator .arrow {
  width: 20px;
  height: 32px;
  border: 2px solid currentColor;
  border-radius: 12px;
  position: relative;
}
.scroll-indicator .arrow::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: currentColor;
  border-radius: 3px;
  animation: scrollDown 2s ease infinite;
}
@keyframes scrollDown {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}
.hero-mini-card {
  position: absolute;
  bottom: 80px;
  right: clamp(24px, 5vw, 64px);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(14, 18, 34, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 12px 18px;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
  animation: floatIn 3s ease-in-out infinite;
}
.hero-mini-card:hover {
  border-color: rgba(52,230,224,0.4);
  transform: translateY(-2px);
}
.mini-live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 12px rgba(52,230,224,0.7);
  flex-shrink: 0;
}
.mini-text strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}
.mini-text span {
  font-size: 0.6875rem;
  color: var(--text-secondary);
}
@keyframes floatIn {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  align-items: stretch;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(52,230,224,0.3);
  transform: translateY(-4px);
}
.feature-card:hover::before { opacity: 1; }
.feature-wide { grid-column: span 1; }
.feature-card .icon-box {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,108,255,0.1);
  border-radius: 10px;
  border: 1px solid rgba(124,108,255,0.2);
}
.feature-card:nth-child(even) .icon-box {
  background: rgba(52,230,224,0.08);
  border-color: rgba(52,230,224,0.2);
}
.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Latest News */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}
.news-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  transition: all 0.3s ease;
  gap: 24px;
}
.news-card:hover {
  border-color: rgba(52,230,224,0.3);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}
.news-content { flex: 1; min-width: 0; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.news-cat {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--primary-light);
  background: rgba(124,108,255,0.1);
  border: 1px solid rgba(124,108,255,0.2);
  padding: 2px 10px;
  border-radius: var(--radius-tag);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.news-cat.cat-secondary {
  color: var(--secondary);
  background: rgba(52,230,224,0.08);
  border-color: rgba(52,230,224,0.2);
}
.news-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.news-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 6px;
  transition: color 0.2s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .news-title { color: var(--secondary); }
.news-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-arrow {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.3s ease;
}
.news-card:hover .news-arrow {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateX(4px);
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  font-size: 1rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
}

/* Evidence */
.evidence-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.evidence-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.evidence-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.evidence-image:hover img { transform: scale(1.03); }
.evidence-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(11,14,26,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(52,230,224,0.25);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.float-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
}
.float-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}
.evidence-content .section-tag { margin-bottom: 14px; }
.evidence-content .section-title { margin-bottom: 16px; }
.evidence-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}
.stat-item {
  text-align: left;
}
.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}
.stat-item:nth-child(2) .stat-number { color: var(--secondary); }
.stat-item:nth-child(3) .stat-number { color: var(--primary-light); }
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 48px;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  transition: all 0.3s ease;
}
.pricing-left { margin-top: 24px; }
.pricing-right { margin-top: 24px; }
.pricing-featured {
  background: linear-gradient(160deg, rgba(124,108,255,0.08) 0%, rgba(14,18,34,0.6) 60%);
  border: 1px solid rgba(124,108,255,0.35);
  box-shadow: 0 0 40px rgba(124,108,255,0.1), 0 0 0 1px rgba(124,108,255,0.1);
  padding: 44px 36px;
  margin-top: -8px;
}
.pricing-card:hover {
  border-color: rgba(52,230,224,0.3);
  transform: translateY(-4px);
}
.pricing-card .pricing-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: var(--radius-tag);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.pricing-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.pricing-card .pricing-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}
.price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1.1;
  margin-bottom: 24px;
}
.price span {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 400;
  font-family: var(--font-sans);
}
.pricing-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.pricing-card ul li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-card ul li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--secondary);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(52,230,224,0.6);
}
.pricing-card .btn-primary { width: 100%; }

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.faq-side {
  position: sticky;
  top: 90px;
}
.faq-side h2 { margin-bottom: 14px; }
.faq-side p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item.active {
  border-color: rgba(52,230,224,0.3);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: color 0.2s ease;
  background: none;
  cursor: pointer;
}
.faq-question:hover { color: var(--secondary); }
.faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: background 0.3s ease;
}
.faq-icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}
.faq-icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--secondary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
}

/* Global CTA */
.cta-box {
  background: linear-gradient(145deg, rgba(124,108,255,0.12) 0%, rgba(14,18,34,0.8) 60%);
  border: 1px solid rgba(124,108,255,0.25);
  border-radius: 24px;
  padding: clamp(40px, 6vw, 80px) clamp(32px, 6vw, 72px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(52,230,224,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(124,108,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-box h2 {
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}
.cta-box p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}
.cta-box .btn-primary {
  position: relative;
  z-index: 2;
  margin: 0 auto;
}

/* Footer */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border-light);
  padding-top: 60px;
  margin-top: var(--section-gap);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 280px;
}
.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--secondary);
}
.footer-contact p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 4px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.social-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}
.social-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  box-shadow: 0 0 12px rgba(52,230,224,0.15);
}
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.footer-bottom .dot {
  display: inline-block;
  margin: 0 8px;
  color: var(--text-muted);
}

/* Floating CTA */
.float-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: clamp(48px, 5vw, 56px);
  height: clamp(48px, 5vw, 56px);
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(108,92,231,0.4), 0 0 0 1px rgba(255,255,255,0.1);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.float-cta.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}
.float-cta:hover {
  background: var(--primary-light);
  box-shadow: 0 8px 32px rgba(108,92,231,0.5), 0 0 0 1px rgba(52,230,224,0.4);
  transform: scale(1.05);
}
.float-cta:active { transform: scale(0.95); }
.float-cta svg {
  width: 24px;
  height: 24px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: rgba(124,108,255,0.4);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .pricing-featured { grid-column: span 2; order: -1; margin-top: 0; }
  .pricing-left, .pricing-right { margin-top: 0; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-image img { aspect-ratio: 16/10; }
  .hero-mini-card { display: none; }
  .search-box input { width: 160px; }
  .search-box input:focus { width: 200px; }
}
@media (max-width: 768px) {
  .header-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-center { display: none; }
  .search-box { display: none; }
  .header-right .btn-sm { display: none; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .hero { min-height: 90vh; }
  .hero-content { padding-top: 40px; }
  .hero h1 { font-size: clamp(2.2rem, 8vw, 3.2rem); }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-featured { grid-column: auto; order: 0; margin-top: 0; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { min-width: 140px; height: 46px; font-size: 0.875rem; }
  .float-cta { bottom: 16px; right: 16px; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .news-card { flex-direction: column; align-items: flex-start; padding: 20px; gap: 14px; }
  .news-arrow { display: none; }
  .stats-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .pricing-card { padding: 28px 24px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { width: 100%; }
  .scroll-indicator { display: none; }
  .evidence-float-card { bottom: 14px; left: 14px; padding: 12px 16px; }
  .float-number { font-size: 1.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B0E1A;
  --bg-secondary: #080B14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --primary: #7C6CFF;
  --primary-light: #9A8FFF;
  --accent: #34E6E0;
  --text-title: #EAECF5;
  --text-body: #C8CCDB;
  --text-muted: #94A3B8;
  --border-main: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.06);
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-primary: 0 8px 20px rgba(108, 92, 231, 0.25);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

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

input {
  font-family: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}

.section {
  padding: clamp(80px, 12vw, 140px) 0;
  position: relative;
}

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

.section-head {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid rgba(124, 108, 255, 0.4);
  border-radius: 999px;
  color: var(--primary-light);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
  background: rgba(124, 108, 255, 0.08);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s infinite;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  min-width: 140px;
  transition: all 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
  border: 1px solid rgba(122, 108, 255, 0.5);
}

.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: 0 8px 28px rgba(124, 108, 255, 0.35), 0 0 16px rgba(52, 230, 224, 0.15);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--text-title);
  border: 1px solid var(--border-main);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(52, 230, 224, 0.06);
}

.btn-sm {
  height: 40px;
  min-width: 110px;
  font-size: 0.875rem;
  padding: 0 18px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 14, 26, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header-top {
  padding: 10px 0;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
}

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

.logo-svg {
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: 0.02em;
  line-height: 1;
}

.logo-sub {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-top: 4px;
  text-transform: uppercase;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  justify-content: flex-end;
}

.season-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border-main);
  border-radius: 999px;
  padding: 4px 14px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.season-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 2s infinite;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-wrap input {
  width: 220px;
  height: 38px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-main);
  border-radius: 999px;
  padding: 0 16px 0 36px;
  color: var(--text-title);
  font-size: 0.8125rem;
  transition: all 0.25s ease;
}

.search-wrap input::placeholder {
  color: #6B7280;
}

.search-wrap input:focus {
  width: 280px;
  border-color: var(--accent);
  background: rgba(52, 230, 224, 0.04);
  box-shadow: 0 0 0 3px rgba(52, 230, 224, 0.1);
}

.search-wrap .search-icon {
  position: absolute;
  left: 14px;
  pointer-events: none;
  color: var(--text-muted);
}

.header-nav {
  border-top: 1px solid var(--border-light);
  padding: 6px 0;
}

.header-nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.header-nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 2px;
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--text-title);
}

.nav-link.active::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.trend-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding-left: 20px;
  border-left: 1px solid var(--border-main);
}

.trend-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trend-tags a {
  font-size: 0.75rem;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(52, 230, 224, 0.2);
  transition: all 0.2s ease;
}

.trend-tags a:hover {
  background: rgba(52, 230, 224, 0.1);
  border-color: var(--accent);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border-main);
  align-items: center;
  justify-content: center;
  color: var(--text-title);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- Page Hero ---------- */
.page-hero {
  padding-top: 148px;
  padding-bottom: clamp(64px, 10vw, 120px);
  position: relative;
  background-image: linear-gradient(rgba(11, 14, 26, 0.88), rgba(11, 14, 26, 0.93)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center 30%;
  border-bottom: 1px solid var(--border-main);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(124, 108, 255, 0.12), transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(52, 230, 224, 0.06), transparent 50%);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.page-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border: 1px solid rgba(52, 230, 224, 0.4);
  border-radius: 999px;
  background: rgba(52, 230, 224, 0.06);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.page-hero-tag .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 1.5s infinite;
}

.page-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.page-hero h1 .highlight {
  color: var(--primary-light);
}

.page-hero p {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.hero-meta {
  position: absolute;
  bottom: 32px;
  right: clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(11, 14, 26, 0.7);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  z-index: 2;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-meta-item .meta-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-title);
  font-family: 'JetBrains Mono', monospace;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(52, 230, 224, 0.3);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(52, 230, 224, 0.1);
}

.card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.card-cover .card-time-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  background: rgba(11, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.card-body {
  padding: 24px;
}

.card-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  background: rgba(124, 108, 255, 0.12);
  color: var(--primary-light);
  border: 1px solid rgba(124, 108, 255, 0.2);
}

.card-badge.cyan {
  background: rgba(52, 230, 224, 0.1);
  color: var(--accent);
  border-color: rgba(52, 230, 224, 0.2);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.card-link svg {
  transition: transform 0.25s ease;
}

.card:hover .card-link svg {
  transform: translateX(4px);
}

/* ---------- Feature Grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  padding: 36px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(124, 108, 255, 0.3);
  transform: translateY(-4px);
}

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

.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 108, 255, 0.12);
  color: var(--primary-light);
  margin-bottom: 20px;
}

.feature-card.cyan-icon .feature-icon {
  background: rgba(52, 230, 224, 0.1);
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ---------- Stats Band ---------- */
.stats-band {
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.06), rgba(52, 230, 224, 0.04)), var(--bg-secondary);
  border-top: 1px solid var(--border-main);
  border-bottom: 1px solid var(--border-main);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 24px 8px;
}

.stat-num {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text-title);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stat-num .suffix {
  font-size: 0.6em;
  color: var(--accent);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
}

.scenario-card:nth-child(2) {
  transform: translateY(16px);
}

.scenario-card:hover {
  border-color: rgba(52, 230, 224, 0.25);
  transform: translateY(-2px);
}

.scenario-card:nth-child(2):hover {
  transform: translateY(10px);
}

.scenario-step {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scenario-step::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent);
}

.scenario-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ---------- Process ---------- */
.process-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.process-row::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 16%;
  right: 16%;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  opacity: 0.3;
}

.process-item {
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.process-dot {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-light);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(124, 108, 255, 0.08);
}

.process-item h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.process-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 0.42fr;
  gap: 48px;
  align-items: start;
}

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

.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.open {
  border-color: rgba(52, 230, 224, 0.25);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-title);
  min-height: 60px;
  cursor: pointer;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.faq-question .faq-icon::before {
  top: 9px;
  left: 0;
  width: 20px;
  height: 2px;
}

.faq-question .faq-icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 20px;
}

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

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--border-light);
  margin-top: 0;
  padding-top: 18px;
}

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

.faq-side {
  position: sticky;
  top: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-card);
  padding: 32px;
}

.faq-side .icon-big {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(124, 108, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.faq-side h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.faq-side p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: clamp(80px, 10vw, 120px) 0;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(rgba(11, 14, 26, 0.9), rgba(11, 14, 26, 0.95)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(124, 108, 255, 0.15), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.25;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Floating CTA ---------- */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 54px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: 0 8px 28px rgba(124, 108, 255, 0.35);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.35s ease;
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-cta:hover {
  background: var(--primary-light);
  box-shadow: 0 8px 32px rgba(124, 108, 255, 0.5), 0 0 20px rgba(52, 230, 224, 0.15);
}

.floating-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #060810;
  border-top: 1px solid var(--border-main);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 300px;
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

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

.footer-contact p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.social-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(52, 230, 224, 0.06);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: #666C80;
}

/* ---------- Animations ---------- */
@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(52, 230, 224, 0.4);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 4px rgba(52, 230, 224, 0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1fr 0.8fr 0.8fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 1024px) {
  .header-top-inner {
    flex-wrap: wrap;
  }
  .header-top-right {
    justify-content: flex-end;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenario-card:nth-child(2) {
    transform: none;
  }
  .scenario-card:nth-child(2):hover {
    transform: translateY(-2px);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-row {
    gap: 24px;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
  }
  .faq-side {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-top-inner {
    min-height: 44px;
  }
  .season-tag {
    display: none;
  }
  .header-top-right .search-wrap {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .header-top-right .btn-primary {
    display: none;
  }
  .header-nav {
    display: none;
  }
  .page-hero {
    padding-top: 120px;
  }
  .page-hero-actions .btn {
    flex: 1;
    min-width: 140px;
  }
  .hero-meta {
    position: static;
    margin-top: 32px;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .process-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .process-row::before {
    display: none;
  }
  .process-dot {
    margin-bottom: 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .floating-cta {
    width: 56px;
    height: 56px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    right: 20px;
    bottom: 20px;
  }
  .floating-cta span {
    display: none;
  }
  .floating-cta .arrow-icon {
    display: inline;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 64px 0;
  }
  .feature-card {
    padding: 24px;
  }
  .faq-question {
    padding: 16px 20px;
  }
  .faq-answer {
    padding-left: 20px;
    padding-right: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(124, 108, 255, 0.3);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* roulang page: article */
:root {
            --bg-primary: #080B14;
            --bg-secondary: #0B0E1A;
            --primary: #7C6CFF;
            --primary-dark: #6C5CE7;
            --accent: #34E6E0;
            --success: #34D399;
            --warning: #FBBF24;
            --error: #F87171;
            --text-primary: #EAECF5;
            --text-secondary: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.06);
            --card-radius: 12px;
            --btn-radius: 8px;
            --tag-radius: 999px;
            --image-radius: 16px;
            --shadow-primary: 0 8px 20px rgba(108, 92, 231, 0.25);
            --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: clamp(16px, 4vw, 48px);
            padding-right: clamp(16px, 4vw, 48px);
        }

        section {
            scroll-margin-top: 90px;
        }

        /* ---------------- Header ---------------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 14, 26, 0.82);
            backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 48px;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
        }

        .logo-svg {
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.125rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-sub {
            font-size: 0.625rem;
            color: var(--accent);
            margin-left: 4px;
            font-weight: 500;
            letter-spacing: 0.1em;
            vertical-align: middle;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-wrap .search-icon {
            position: absolute;
            left: 12px;
            color: #6B7280;
            pointer-events: none;
            width: 16px;
            height: 16px;
        }

        .search-wrap input {
            width: 200px;
            height: 36px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 0 16px 0 36px;
            font-size: 0.8125rem;
            color: var(--text-primary);
            transition: width 0.3s, border-color 0.3s, background 0.3s;
        }

        .search-wrap input::placeholder {
            color: #6B7280;
        }

        .search-wrap input:focus {
            width: 280px;
            border-color: rgba(52, 230, 224, 0.5);
            outline: none;
            background: rgba(255, 255, 255, 0.08);
        }

        .header-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-nav-inner {
            display: flex;
            align-items: center;
            min-height: 40px;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .header-nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: color 0.2s, background 0.2s;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            padding-left: 20px;
            white-space: nowrap;
        }

        .trend-label {
            font-size: 0.75rem;
            color: #6B7280;
            border: 1px solid var(--border-subtle);
            padding: 2px 10px;
            border-radius: 999px;
        }

        .trend-tags a {
            font-size: 0.75rem;
            color: var(--text-secondary);
            padding: 2px 6px;
            border-radius: 4px;
            transition: color 0.2s;
        }

        .trend-tags a:hover {
            color: var(--accent);
        }

        .nav-toggle,
        .mobile-search-btn {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            background: transparent;
            color: var(--text-primary);
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
        }

        .nav-toggle:hover,
        .mobile-search-btn:hover {
            border-color: rgba(52, 230, 224, 0.4);
            background: rgba(52, 230, 224, 0.06);
        }

        .mobile-search-panel {
            display: none;
            padding: 12px 16px;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
        }

        .mobile-search-panel.open {
            display: block;
        }

        .mobile-search-panel input {
            width: 100%;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.05);
            padding: 0 16px;
            color: var(--text-primary);
            font-size: 0.875rem;
        }

        .mobile-search-panel input:focus {
            border-color: rgba(52, 230, 224, 0.5);
            outline: none;
        }

        /* ---------------- Buttons ---------------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--btn-radius);
            font-size: 0.9375rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(52, 230, 224, 0.5);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background: #9688FF;
            box-shadow: 0 8px 24px rgba(124, 108, 255, 0.35), 0 0 0 4px rgba(52, 230, 224, 0.12);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(52, 230, 224, 0.06);
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        .btn-sm {
            height: 36px;
            padding: 0 18px;
            font-size: 0.8125rem;
        }

        /* ---------------- Article Hero ---------------- */
        .article-hero {
            position: relative;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(124, 108, 255, 0.12), transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(52, 230, 224, 0.06), transparent 50%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat,
                var(--bg-primary);
            padding: clamp(72px, 10vw, 120px) 0 clamp(48px, 6vw, 80px);
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--accent);
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: rgba(148, 163, 184, 0.5);
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 240px;
        }

        .article-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 24px;
            max-width: 860px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .badge-primary {
            background: rgba(124, 108, 255, 0.12);
            border: 1px solid rgba(124, 108, 255, 0.3);
            color: #C4BFFF;
        }

        .badge-accent {
            background: rgba(52, 230, 224, 0.12);
            border: 1px solid rgba(52, 230, 224, 0.3);
            color: var(--accent);
        }

        /* ---------------- Article Body ---------------- */
        .article-main {
            background: var(--bg-primary);
            padding: clamp(48px, 6vw, 80px) 0 clamp(32px, 4vw, 56px);
        }

        .article-body-card {
            background: #F6F4F0;
            border-radius: 16px;
            padding: clamp(28px, 5vw, 64px);
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
        }

        .article-body-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .article-body {
            color: #1A1D26;
            font-size: 1rem;
            line-height: 1.85;
        }

        .article-body p {
            margin: 0 0 1.5em;
            font-size: 1rem;
            line-height: 1.85;
            color: #1A1D26;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #0B0E1A;
            margin: 2em 0 0.75em;
            padding-bottom: 0.5em;
            border-bottom: 1px solid #E5E0D9;
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #0B0E1A;
            margin: 1.75em 0 0.6em;
            line-height: 1.4;
        }

        .article-body a {
            color: #6C5CE7;
            text-decoration: underline;
            text-underline-offset: 4px;
            transition: color 0.2s;
        }

        .article-body a:hover {
            color: #4C3FB8;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 0.5em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(124, 108, 255, 0.05);
            padding: 1em 1.5em;
            border-radius: 0 12px 12px 0;
            color: #3E414C;
            margin: 1.5em 0;
        }

        .article-body img {
            border-radius: var(--image-radius);
            max-width: 100%;
            height: auto;
            margin: 2em 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }

        .article-body code {
            background: #EFEBE3;
            border-radius: 6px;
            padding: 0.2em 0.45em;
            font-family: var(--font-mono);
            font-size: 0.875em;
            color: #BE4E9E;
        }

        .article-body pre {
            background: #1A1D26;
            border-radius: 12px;
            padding: 1.5em;
            overflow-x: auto;
            color: #EAECF5;
            font-family: var(--font-mono);
            font-size: 0.875rem;
            line-height: 1.6;
            margin: 1.5em 0;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.9375rem;
        }

        .article-body th {
            background: #ECEAE4;
            font-weight: 700;
            text-align: left;
            padding: 12px 16px;
            color: #0B0E1A;
        }

        .article-body td {
            padding: 12px 16px;
            border-top: 1px solid #E5E0D9;
            color: #1A1D26;
        }

        .article-body hr {
            border: none;
            height: 1px;
            background: #E5E0D9;
            margin: 2.5em 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid #E5E0D9;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.8125rem;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(124, 108, 255, 0.08);
            border: 1px solid rgba(124, 108, 255, 0.2);
            color: #6C5CE7;
        }

        .tag:hover {
            background: rgba(124, 108, 255, 0.16);
        }

        .article-not-found {
            text-align: center;
            padding: clamp(48px, 8vw, 96px) 20px;
            color: #1A1D26;
        }

        .article-not-found p {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: #1A1D26;
        }

        .article-not-found .btn {
            min-width: 160px;
        }

        /* ---------------- Related ---------------- */
        .related-section {
            background: var(--bg-primary);
            padding: clamp(64px, 8vw, 100px) 0 clamp(80px, 10vw, 120px);
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--accent);
            border: 1px solid rgba(52, 230, 224, 0.2);
            background: rgba(52, 230, 224, 0.06);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.6;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr 1.12fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .related-card {
            display: block;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            border-radius: 16px;
            overflow: hidden;
            text-decoration: none;
            color: var(--text-primary);
            transition: border-color 0.3s, transform 0.3s;
        }

        .related-card:hover {
            border-color: rgba(52, 230, 224, 0.35);
            transform: translateY(-4px);
        }

        .related-card-featured {
            margin-top: 32px;
        }

        .related-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .related-card:hover .related-cover img {
            transform: scale(1.03);
        }

        .related-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 14, 26, 0.72);
            backdrop-filter: blur(8px);
            color: var(--accent);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(52, 230, 224, 0.25);
        }

        .related-body {
            padding: 20px;
        }

        .related-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .related-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .related-link {
            font-size: 0.875rem;
            color: var(--primary);
            font-weight: 600;
        }

        .related-link span {
            display: inline-block;
            transition: transform 0.2s;
        }

        .related-card:hover .related-link span {
            transform: translateX(4px);
        }

        .related-return {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 56px;
        }

        /* ---------------- Article CTA ---------------- */
        .article-cta {
            background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
            padding: clamp(64px, 8vw, 96px) 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .cta-panel {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            border-radius: 16px;
            padding: clamp(32px, 6vw, 64px);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124, 108, 255, 0.22), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-panel .btn {
            position: relative;
            z-index: 1;
            margin: 0 6px;
        }

        /* ---------------- Footer ---------------- */
        .site-footer {
            background: #05070D;
            border-top: 1px solid var(--border-light);
            padding: clamp(64px, 8vw, 96px) 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 48px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 16px 0 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.875rem;
            transition: color 0.2s;
        }

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

        .footer-contact p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .social-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            transition: all 0.2s;
        }

        .social-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(52, 230, 224, 0.06);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.75rem;
            color: #6B7280;
        }

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

            .related-card-featured {
                margin-top: 0;
            }

            .related-card:last-child {
                grid-column: span 2;
            }

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

        @media (max-width: 768px) {
            .header-tools .search-wrap {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .mobile-search-btn {
                display: inline-flex;
            }

            .header-nav {
                display: none;
            }

            .site-header.nav-open .header-nav {
                display: block;
            }

            .header-nav-inner {
                display: flex;
                flex-direction: row;
                overflow-x: auto;
                padding: 8px 16px 12px;
                gap: 4px;
                min-height: auto;
            }

            .trend-tags {
                display: none;
            }

            .nav-link {
                white-space: nowrap;
                padding: 10px 12px;
                font-size: 0.8125rem;
            }

            .article-hero {
                padding-top: 56px;
            }

            .article-hero h1 {
                font-size: clamp(1.75rem, 6vw, 2.5rem);
            }

            .article-meta {
                gap: 12px;
            }

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

            .related-card:last-child {
                grid-column: span 1;
            }

            .related-return {
                flex-direction: column;
                align-items: center;
            }

            .related-return .btn {
                width: 100%;
                max-width: 320px;
            }

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

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

            .cta-panel .btn {
                width: 100%;
                max-width: 320px;
                margin: 8px 0;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1rem;
            }

            .logo-sub {
                display: none;
            }

            .article-body-card {
                padding: 24px 20px;
                border-radius: 12px;
            }

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

            .related-body h3 {
                font-size: 1rem;
            }

            .btn {
                min-height: 44px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
      --bg-deep: #0B0E1A;
      --bg-dark: #080B14;
      --primary: #7C6CFF;
      --primary-2: #6C5CE7;
      --accent: #34E6E0;
      --accent-2: #22D3EE;
      --success: #34D399;
      --warning: #FBBF24;
      --error: #F87171;
      --text-main: #EAECF5;
      --text-muted: #94A3B8;
      --border-sub: rgba(255,255,255,0.08);
      --border-soft: rgba(255,255,255,0.06);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 999px;
      --shadow-btn: 0 8px 20px rgba(108,92,231,0.25);
      --gap-section: clamp(80px, 12vw, 140px);
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 90px;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

    input, button {
      outline: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: clamp(16px, 4vw, 48px);
      padding-right: clamp(16px, 4vw, 48px);
    }

    /* ===== 导航 ===== */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 14, 26, 0.82);
      backdrop-filter: saturate(180%) blur(20px);
      -webkit-backdrop-filter: saturate(180%) blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      transition: background 0.3s;
    }

    .header-top-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 48px;
      gap: 16px;
    }

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

    .logo-text {
      font-size: 1.125rem;
      font-weight: 800;
      letter-spacing: 0.02em;
      color: var(--text-main);
    }

    .logo-sub {
      font-size: 0.625rem;
      font-weight: 600;
      letter-spacing: 0.14em;
      color: var(--accent);
      margin-left: 4px;
      opacity: 0.85;
    }

    .header-top-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      width: 200px;
      height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-sub);
      transition: width 0.3s, border-color 0.3s;
    }

    .search-box:focus-within {
      width: 280px;
      border-color: rgba(52, 230, 224, 0.5);
    }

    .search-box input {
      flex: 1;
      background: transparent;
      border: none;
      color: #fff;
      font-size: 0.8125rem;
      min-width: 0;
    }

    .search-box input::placeholder {
      color: #6B7280;
    }

    .search-box input:focus {
      outline: none;
    }

    .btn-join {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 32px;
      padding: 0 16px;
      border-radius: var(--radius-btn);
      background: var(--primary);
      color: #fff;
      font-size: 0.8125rem;
      font-weight: 600;
      border: none;
      box-shadow: var(--shadow-btn);
      transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
      white-space: nowrap;
    }

    .btn-join:hover {
      background: #8E7BFF;
      box-shadow: 0 8px 28px rgba(52, 230, 224, 0.3);
    }

    .btn-join:active {
      transform: scale(0.98);
    }

    .btn-join:focus-visible,
    .btn-search:focus-visible,
    .nav-link:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 1px solid var(--border-sub);
      border-radius: var(--radius-btn);
      padding: 6px 10px;
      color: var(--text-main);
      font-size: 1.25rem;
      line-height: 1;
      transition: border-color 0.2s;
    }

    .mobile-menu-btn:hover {
      border-color: rgba(52, 230, 224, 0.4);
    }

    .header-nav-inner {
      display: flex;
      align-items: center;
      gap: 8px;
      height: 40px;
      white-space: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .header-nav-inner::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      border-radius: var(--radius-tag);
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s, background 0.2s;
    }

    .nav-link:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-link.active {
      color: #fff;
      background: rgba(124, 108, 255, 0.16);
      box-shadow: inset 0 0 0 1px rgba(124, 108, 255, 0.3);
    }

    .trend-tags {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
      flex-shrink: 0;
    }

    .trend-label {
      font-size: 0.75rem;
      color: var(--accent);
      font-weight: 600;
    }

    .trend-tags a {
      font-size: 0.75rem;
      color: var(--text-muted);
      padding: 2px 10px;
      border-radius: var(--radius-tag);
      border: 1px solid var(--border-sub);
      transition: border-color 0.2s, color 0.2s;
    }

    .trend-tags a:hover {
      color: var(--accent);
      border-color: rgba(52, 230, 224, 0.4);
    }

    .mobile-drawer {
      display: none;
      padding: 16px 0 20px;
      border-top: 1px solid var(--border-sub);
    }

    .mobile-drawer.open {
      display: block;
    }

    .mobile-drawer .nav-link {
      display: block;
      padding: 10px 14px;
      margin-bottom: 4px;
    }

    .mobile-drawer .trend-tags {
      margin-left: 0;
      margin-top: 14px;
      flex-wrap: wrap;
    }

    .mobile-drawer .search-box {
      width: 100%;
      margin-bottom: 14px;
    }

    /* 导航滚动压缩 */
    .header-nav.compact .header-top-row {
      display: none;
    }

    .header-nav.compact .header-nav-inner {
      height: 60px;
    }

    /* ===== 按钮 ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 152px;
      height: 48px;
      padding: 0 28px;
      border-radius: var(--radius-btn);
      background: var(--primary);
      color: #fff;
      font-size: 0.9375rem;
      font-weight: 600;
      border: none;
      box-shadow: var(--shadow-btn);
      transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    }

    .btn-primary:hover {
      background: #8E7BFF;
      box-shadow: 0 8px 28px rgba(52, 230, 224, 0.3);
    }

    .btn-primary:active {
      transform: scale(0.98);
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 152px;
      height: 48px;
      padding: 0 28px;
      border-radius: var(--radius-btn);
      background: transparent;
      color: var(--text-main);
      font-size: 0.9375rem;
      font-weight: 500;
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: border-color 0.2s, color 0.2s, background 0.2s;
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(52, 230, 224, 0.06);
    }

    .btn-ghost:active {
      transform: scale(0.98);
    }

    .btn-primary:focus-visible,
    .btn-ghost:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* ===== Hero ===== */
    .cat-hero {
      position: relative;
      padding: clamp(70px, 10vw, 120px) 0;
      background: linear-gradient(to right, rgba(8, 11, 20, 0.92), rgba(11, 14, 26, 0.55)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      overflow: hidden;
      border-bottom: 1px solid var(--border-sub);
    }

    .cat-hero::before {
      content: '';
      position: absolute;
      top: -140px;
      right: -100px;
      width: 460px;
      height: 460px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(124, 108, 255, 0.16), transparent 65%);
      pointer-events: none;
    }

    .cat-hero::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: 30%;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(52, 230, 224, 0.08), transparent 60%);
      pointer-events: none;
    }

    .cat-hero-inner {
      display: flex;
      align-items: center;
      gap: clamp(32px, 6vw, 80px);
      position: relative;
      z-index: 2;
    }

    .cat-hero-text {
      flex: 1 1 55%;
    }

    .cat-hero-media {
      flex: 1 1 45%;
      position: relative;
    }

    .cat-hero-media img {
      border-radius: 16px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
      transform: rotate(1.5deg);
      transition: transform 0.4s;
    }

    .cat-hero-media:hover img {
      transform: rotate(0deg) scale(1.02);
    }

    .cat-hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: var(--radius-tag);
      border: 1px solid rgba(52, 230, 224, 0.35);
      background: rgba(52, 230, 224, 0.08);
      color: var(--accent);
      font-size: 0.8125rem;
      font-weight: 600;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      margin-bottom: 20px;
    }

    .cat-hero-tag .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 230, 224, 0.5); }
      50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(52, 230, 224, 0); }
    }

    .cat-hero h1 {
      font-size: clamp(2.6rem, 6vw, 4.2rem);
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 16px;
      letter-spacing: -0.01em;
    }

    .cat-hero h1 .highlight {
      color: var(--primary);
    }

    .cat-hero p {
      font-size: clamp(1rem, 2vw, 1.125rem);
      color: var(--text-muted);
      max-width: 46ch;
      margin-bottom: 28px;
    }

    .cat-hero-cta {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== 区块通用 ===== */
    .section {
      padding: var(--gap-section) 0;
    }

    .section-head {
      margin-bottom: clamp(36px, 6vw, 64px);
    }

    .section-head .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.06em;
      margin-bottom: 12px;
    }

    .section-head h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 12px;
    }

    .section-head p {
      color: var(--text-muted);
      font-size: clamp(1rem, 2vw, 1.125rem);
      max-width: 60ch;
    }

    /* ===== 分类引导 ===== */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: clamp(24px, 5vw, 64px);
      align-items: center;
    }

    .intro-copy {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.85;
    }

    .intro-copy strong {
      color: var(--text-main);
      font-weight: 600;
    }

    .intro-copy .intro-mark {
      font-size: 0.875rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 12px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

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

    .stat-card {
      padding: 24px;
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-sub);
      transition: border-color 0.25s, transform 0.25s;
    }

    .stat-card:hover {
      border-color: rgba(52, 230, 224, 0.3);
      transform: translateY(-4px);
    }

    .stat-card--wide {
      grid-column: span 2;
    }

    .stat-card .stat-number {
      font-size: clamp(2rem, 4vw, 2.75rem);
      font-weight: 800;
      line-height: 1.1;
      color: var(--primary);
      margin-bottom: 8px;
      font-family: ui-monospace, 'JetBrains Mono', 'Courier New', monospace;
    }

    .stat-card--wide .stat-number {
      color: var(--accent);
    }

    .stat-card .stat-label {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* ===== 时间线 ===== */
    .timeline-wrap {
      position: relative;
      padding-left: 32px;
      max-width: 820px;
    }

    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 8px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--accent));
      opacity: 0.45;
    }

    .timeline-item {
      position: relative;
      padding: 26px 30px;
      margin-bottom: 24px;
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-sub);
      transition: border-color 0.25s, background 0.25s;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -29px;
      top: 34px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid var(--bg-deep);
      box-shadow: 0 0 0 2px var(--primary);
    }

    .timeline-item:nth-child(2)::before {
      background: var(--accent);
      box-shadow: 0 0 0 2px var(--accent);
    }

    .timeline-item:hover {
      border-color: rgba(124, 108, 255, 0.35);
      background: rgba(124, 108, 255, 0.04);
    }

    .timeline-step {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .timeline-item h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .timeline-item p {
      font-size: 0.9375rem;
      color: var(--text-muted);
    }

    /* ===== 精选攻略横向卡 ===== */
    .featured-grid {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .featured-card {
      display: flex;
      align-items: stretch;
      border-radius: 16px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-sub);
      transition: border-color 0.25s, transform 0.25s;
    }

    .featured-card:hover {
      border-color: rgba(52, 230, 224, 0.3);
      transform: translateY(-4px);
    }

    .featured-card:nth-child(even) {
      flex-direction: row-reverse;
    }

    .featured-media {
      flex: 0 0 38%;
      position: relative;
      overflow: hidden;
      min-height: 220px;
    }

    .featured-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }

    .featured-card:hover .featured-media img {
      transform: scale(1.03);
    }

    .featured-body {
      flex: 1;
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .featured-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 3px 12px;
      border-radius: var(--radius-tag);
      font-size: 0.75rem;
      font-weight: 600;
      background: rgba(124, 108, 255, 0.15);
      color: var(--primary);
      border: 1px solid rgba(124, 108, 255, 0.25);
    }

    .badge--cyan {
      background: rgba(52, 230, 224, 0.1);
      color: var(--accent);
      border-color: rgba(52, 230, 224, 0.25);
    }

    .featured-meta time {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    .featured-card h3 {
      font-size: 1.375rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .featured-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .featured-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-size: 0.875rem;
      font-weight: 600;
      transition: gap 0.2s;
    }

    .featured-link:hover {
      gap: 10px;
    }

    /* ===== 适用场景 ===== */
    .scene-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .scene-card {
      padding: 34px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-sub);
      transition: border-color 0.2s, transform 0.2s;
      position: relative;
      overflow: hidden;
    }

    .scene-card:nth-child(2) {
      transform: translateY(28px);
    }

    .scene-card:hover {
      border-color: rgba(124, 108, 255, 0.35);
      transform: translateY(-4px);
    }

    .scene-card:nth-child(2):hover {
      transform: translateY(16px);
    }

    .scene-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(124, 108, 255, 0.12);
      border: 1px solid rgba(124, 108, 255, 0.25);
      margin-bottom: 20px;
      color: var(--primary);
    }

    .scene-card:nth-child(2) .scene-icon {
      background: rgba(52, 230, 224, 0.08);
      border-color: rgba(52, 230, 224, 0.25);
      color: var(--accent);
    }

    .scene-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .scene-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
    }

    .scene-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .scene-tags span {
      padding: 4px 12px;
      border-radius: var(--radius-tag);
      font-size: 0.75rem;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-sub);
      color: var(--text-muted);
    }

    /* ===== 数据墙 ===== */
    .data-wall {
      background: linear-gradient(135deg, rgba(124, 108, 255, 0.08), rgba(52, 230, 224, 0.05));
      border: 1px solid var(--border-sub);
      border-radius: 20px;
      padding: clamp(36px, 6vw, 64px);
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      text-align: center;
    }

    .data-number {
      font-size: clamp(2.6rem, 5vw, 3.8rem);
      font-weight: 800;
      line-height: 1.1;
      font-family: ui-monospace, 'JetBrains Mono', 'Courier New', monospace;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .data-label {
      font-size: 0.9375rem;
      color: var(--text-main);
      margin-top: 8px;
      font-weight: 600;
    }

    .data-note {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-top: 4px;
      opacity: 0.7;
    }

    /* ===== FAQ ===== */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 48px;
      align-items: start;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-sub);
      overflow: hidden;
      transition: border-color 0.25s;
    }

    .faq-item.open {
      border-color: rgba(52, 230, 224, 0.3);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 24px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      background: transparent;
      border: none;
      width: 100%;
      text-align: left;
      cursor: pointer;
      transition: color 0.2s;
    }

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

    .faq-icon {
      width: 20px;
      height: 20px;
      position: relative;
      flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--accent);
      border-radius: 2px;
      transition: transform 0.3s;
    }

    .faq-icon::before {
      top: 9px;
      left: 0;
      width: 20px;
      height: 2px;
    }

    .faq-icon::after {
      top: 0;
      left: 9px;
      width: 2px;
      height: 20px;
    }

    .faq-item.open .faq-icon::after {
      transform: rotate(90deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.9375rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border-soft);
      padding-top: 16px;
      line-height: 1.75;
    }

    .faq-side {
      position: sticky;
      top: 100px;
      padding: 28px;
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-sub);
    }

    .faq-side h3 {
      font-size: 1.125rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .faq-side p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .faq-side .btn-primary {
      width: 100%;
      min-width: 0;
    }

    /* ===== CTA ===== */
    .cta-banner {
      border-radius: 20px;
      padding: clamp(40px, 8vw, 80px);
      text-align: center;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(124, 108, 255, 0.18), rgba(52, 230, 224, 0.08)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border: 1px solid var(--border-sub);
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(8, 11, 20, 0.76);
      border-radius: 20px;
    }

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

    .cta-banner h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .cta-banner p {
      color: var(--text-muted);
      max-width: 52ch;
      margin: 0 auto 30px;
      font-size: 1.0625rem;
    }

    .cta-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #06080F;
      border-top: 1px solid var(--border-sub);
      padding: 64px 0 32px;
      margin-top: clamp(60px, 10vw, 100px);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }

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

    .footer-brand p {
      font-size: 0.875rem;
      color: var(--text-muted);
      max-width: 34ch;
      line-height: 1.75;
    }

    .footer-title {
      font-size: 0.9375rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 0.875rem;
      color: var(--text-muted);
      transition: color 0.2s;
    }

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

    .footer-contact p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }

    .social-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: var(--radius-btn);
      border: 1px solid var(--border-sub);
      color: var(--text-muted);
      transition: border-color 0.2s, color 0.2s, background 0.2s;
    }

    .social-btn:hover {
      color: var(--accent);
      border-color: rgba(52, 230, 224, 0.4);
      background: rgba(52, 230, 224, 0.06);
    }

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

    .footer-bottom p {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* ===== 浮动 CTA ===== */
    .float-cta {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 90;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 52px;
      padding: 0 22px;
      border-radius: 999px;
      background: var(--primary);
      color: #fff;
      font-size: 0.875rem;
      font-weight: 600;
      border: none;
      box-shadow: 0 8px 28px rgba(108, 92, 231, 0.4);
      transition: background 0.2s, box-shadow 0.2s, transform 0.2s, opacity 0.3s;
      opacity: 0;
      pointer-events: none;
      transform: translateY(16px);
    }

    .float-cta.visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .float-cta:hover {
      background: #8E7BFF;
      box-shadow: 0 8px 32px rgba(52, 230, 224, 0.35);
    }

    .float-cta:active {
      transform: scale(0.96);
    }

    .float-cta:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* ===== 动画 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.in-view {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== 滚动条 ===== */
    ::-webkit-scrollbar {
      width: 10px;
      height: 10px;
    }

    ::-webkit-scrollbar-track {
      background: var(--bg-dark);
    }

    ::-webkit-scrollbar-thumb {
      background: rgba(124, 108, 255, 0.3);
      border-radius: 6px;
      border: 2px solid var(--bg-dark);
    }

    ::-webkit-scrollbar-thumb:hover {
      background: rgba(52, 230, 224, 0.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .cat-hero-inner {
        flex-direction: column;
      }

      .cat-hero-media {
        max-width: 520px;
      }

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

    @media (max-width: 768px) {
      .header-top-row {
        height: 48px;
      }

      .header-nav-inner {
        display: none;
      }

      .mobile-menu-btn {
        display: inline-flex;
      }

      .search-box {
        width: 120px;
      }

      .search-box:focus-within {
        width: 160px;
      }

      .header-nav.compact .header-top-row {
        display: flex;
      }

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

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

      .scene-card:nth-child(2),
      .scene-card:nth-child(2):hover {
        transform: none;
      }

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

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

      .faq-side {
        position: relative;
        top: auto;
      }

      .featured-card,
      .featured-card:nth-child(even) {
        flex-direction: column;
      }

      .featured-media {
        min-height: 200px;
        flex: auto;
      }

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

    @media (max-width: 520px) {
      .cat-hero h1 {
        font-size: 2.4rem;
      }

      .cat-hero-cta .btn-primary,
      .cat-hero-cta .btn-ghost,
      .cta-actions .btn-primary,
      .cta-actions .btn-ghost {
        width: 100%;
      }

      .featured-body {
        padding: 24px;
      }

      .search-box {
        width: 36px;
        padding: 0 10px;
      }

      .search-box input {
        width: 0;
        flex: none;
      }

      .search-box:focus-within {
        width: 140px;
      }

      .search-box:focus-within input {
        width: auto;
        flex: 1;
      }

      .float-cta {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
        right: 16px;
        bottom: 16px;
      }

      .float-cta span {
        display: none;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }

      html {
        scroll-behavior: auto;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }

/* roulang page: category3 */
:root {
      --bg-deep: #0B0E1A;
      --bg-deep-2: #0F1322;
      --bg-card: #12172B;
      --bg-soft: #F6F4F0;
      --primary: #7C6CFF;
      --primary-light: #9D8FFF;
      --primary-dark: #6C5CE7;
      --accent: #34E6E0;
      --success: #34D399;
      --warning: #FBBF24;
      --danger: #F87171;
      --text-title: #EAECF5;
      --text-body: #C6CDE0;
      --text-soft: #94A3B8;
      --border: rgba(255, 255, 255, 0.08);
      --border-strong: rgba(255, 255, 255, 0.14);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 999px;
      --radius-img: 16px;
      --shadow-btn: 0 8px 20px rgba(108, 92, 231, 0.25);
      --gap-section: clamp(80px, 12vw, 140px);
      --container-pad: clamp(16px, 4vw, 48px);
      --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 100px;
    }

    body {
      font-family: var(--font-family);
      background: var(--bg-deep);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input {
      font-family: inherit;
      font-size: 1rem;
      border: none;
      outline: none;
      background: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: var(--container-pad);
      padding-right: var(--container-pad);
    }

    .section {
      padding-top: var(--gap-section);
      padding-bottom: var(--gap-section);
      position: relative;
    }

    .section-head {
      max-width: 640px;
      margin-bottom: 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 14px;
      padding: 5px 14px;
      border: 1px solid rgba(52, 230, 224, 0.3);
      border-radius: var(--radius-tag);
      background: rgba(52, 230, 224, 0.06);
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 14px;
    }

    .section-sub {
      font-size: clamp(1rem, 2vw, 1.25rem);
      color: var(--text-soft);
      line-height: 1.75;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      border-radius: var(--radius-btn);
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      transition: all .2s ease;
      cursor: pointer;
      white-space: nowrap;
    }

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

    .btn-primary:hover {
      background: var(--primary-light);
      box-shadow: 0 8px 28px rgba(52, 230, 224, 0.35);
      transform: translateY(-2px);
    }

    .btn-primary:active {
      transform: scale(0.98);
    }

    .btn-primary:focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-title);
      border: 1px solid var(--border-strong);
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
      box-shadow: 0 0 18px rgba(52, 230, 224, 0.15);
    }

    .btn-ghost:active {
      transform: scale(0.98);
    }

    .btn-ghost:focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 20px;
      border-radius: var(--radius-btn);
      border: 1px solid var(--border-strong);
      color: var(--text-title);
      font-weight: 600;
      font-size: 0.875rem;
      transition: all .2s;
    }

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

    .btn-small {
      height: 38px;
      padding: 0 18px;
      font-size: 0.85rem;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      height: 24px;
      padding: 0 12px;
      border-radius: var(--radius-tag);
      font-size: 0.75rem;
      font-weight: 600;
      background: rgba(124, 108, 255, 0.18);
      color: #C9C1FF;
      border: 1px solid rgba(124, 108, 255, 0.3);
      white-space: nowrap;
    }

    .badge-accent {
      background: rgba(52, 230, 224, 0.14);
      color: var(--accent);
      border-color: rgba(52, 230, 224, 0.3);
    }

    /* ======= 吸顶导航 ======= */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 14, 26, 0.82);
      backdrop-filter: saturate(180%) blur(20px);
      -webkit-backdrop-filter: saturate(180%) blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .header-top {
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .header-top-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 48px;
      gap: 16px;
    }

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

    .logo-svg {
      width: 32px;
      height: 32px;
    }

    .logo-text {
      font-size: 1.15rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.02em;
    }

    .logo-sub {
      font-size: 0.65rem;
      font-weight: 600;
      color: var(--text-soft);
      letter-spacing: 0.16em;
      margin-left: 4px;
      background: rgba(255, 255, 255, 0.06);
      padding: 2px 6px;
      border-radius: 4px;
    }

    .header-top-right {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 220px;
      height: 34px;
      padding: 0 12px;
      border: 1px solid var(--border);
      border-radius: var(--radius-tag);
      background: rgba(255, 255, 255, 0.03);
      transition: all .3s;
    }

    .search-box:focus-within {
      width: 280px;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(52, 230, 224, 0.1);
    }

    .search-box input {
      width: 100%;
      background: transparent;
      color: var(--text-title);
      font-size: 0.85rem;
    }

    .search-box input::placeholder {
      color: #6B7280;
    }

    .search-icon {
      color: var(--text-soft);
      flex-shrink: 0;
    }

    .header-nav {
      position: relative;
      background: transparent;
    }

    .header-nav-inner {
      display: flex;
      align-items: center;
      gap: 6px;
      height: 40px;
      overflow-x: auto;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
    }

    .header-nav-inner::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      height: 32px;
      padding: 0 14px;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-soft);
      border-radius: 6px;
      white-space: nowrap;
      transition: all .2s;
    }

    .nav-link:hover {
      color: var(--text-title);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-link.active {
      color: #fff;
      font-weight: 600;
      background: rgba(124, 108, 255, 0.16);
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      box-shadow: 0 0 10px rgba(124, 108, 255, 0.6);
    }

    .trend-tags {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
      padding-left: 16px;
      border-left: 1px solid var(--border);
      flex-shrink: 0;
    }

    .trend-label {
      font-size: 0.72rem;
      color: var(--text-soft);
      font-weight: 600;
      margin-right: 4px;
    }

    .trend-tags a {
      font-size: 0.75rem;
      color: var(--accent);
      padding: 3px 8px;
      border-radius: 999px;
      background: rgba(52, 230, 224, 0.08);
      transition: all .2s;
    }

    .trend-tags a:hover {
      background: rgba(52, 230, 224, 0.18);
      color: #A7F8F4;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      border: 1px solid var(--border);
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text-title);
      border-radius: 2px;
      transition: all .3s;
    }

    /* ======= Hero ======= */
    .hero-page {
      position: relative;
      min-height: 620px;
      display: flex;
      align-items: center;
      padding: 80px 0 60px;
      background:
        linear-gradient(90deg, rgba(11, 14, 26, 0.9) 0%, rgba(11, 14, 26, 0.65) 50%, rgba(11, 14, 26, 0.4) 100%),
        linear-gradient(180deg, rgba(11, 14, 26, 0.2) 0%, rgba(11, 14, 26, 0.9) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .hero-page::before {
      content: '';
      position: absolute;
      top: 15%;
      right: 8%;
      width: 280px;
      height: 280px;
      background: radial-gradient(circle, rgba(124, 108, 255, 0.25) 0%, transparent 70%);
      border-radius: 50%;
      filter: blur(40px);
      pointer-events: none;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 30px;
      padding: 0 16px;
      border-radius: var(--radius-tag);
      border: 1px solid rgba(52, 230, 224, 0.4);
      background: rgba(52, 230, 224, 0.08);
      color: var(--accent);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      margin-bottom: 24px;
    }

    .live-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 10px var(--success);
      animation: pulse-dot 1.8s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--success); }
      50% { opacity: 0.6; box-shadow: 0 0 2px var(--success); }
    }

    .hero-page h1 {
      font-size: clamp(2.6rem, 6vw, 4.5rem);
      line-height: 1.1;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: 0.01em;
    }

    .hero-lead {
      font-size: clamp(1rem, 2vw, 1.3rem);
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 10px;
    }

    .hero-desc {
      font-size: 0.95rem;
      color: var(--text-soft);
      max-width: 440px;
      line-height: 1.75;
      margin-bottom: 32px;
    }

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

    .hero-mini-card {
      position: absolute;
      right: clamp(16px, 5vw, 80px);
      bottom: 90px;
      z-index: 3;
      width: 200px;
      padding: 16px 18px;
      border-radius: var(--radius-card);
      background: rgba(17, 21, 39, 0.76);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
      transform: rotate(-2deg);
      animation: float-card 4s ease-in-out infinite;
    }

    @keyframes float-card {
      0%, 100% { transform: rotate(-2deg) translateY(0); }
      50% { transform: rotate(0deg) translateY(-8px); }
    }

    .mini-label {
      display: block;
      font-size: 0.7rem;
      color: var(--accent);
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .hero-mini-card strong {
      display: block;
      font-size: 1rem;
      color: #fff;
      margin-bottom: 4px;
    }

    .hero-mini-card span:last-child {
      font-size: 0.75rem;
      color: var(--text-soft);
    }

    .scroll-hint {
      position: absolute;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 3;
      width: 26px;
      height: 42px;
      border: 2px solid rgba(255, 255, 255, 0.35);
      border-radius: 14px;
      display: flex;
      justify-content: center;
      padding-top: 6px;
    }

    .scroll-hint span {
      width: 4px;
      height: 8px;
      background: var(--accent);
      border-radius: 4px;
      animation: scroll-move 1.6s infinite;
    }

    @keyframes scroll-move {
      0% { opacity: 1; transform: translateY(0); }
      100% { opacity: 0; transform: translateY(16px); }
    }

    /* ======= 活动类型画廊（横向图册） ======= */
    .event-gallery {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      padding-bottom: 12px;
      scroll-snap-type: x mandatory;
      scrollbar-width: thin;
      scrollbar-color: rgba(52, 230, 224, 0.3) transparent;
    }

    .event-gallery::-webkit-scrollbar {
      height: 5px;
    }

    .event-gallery::-webkit-scrollbar-track {
      background: transparent;
    }

    .event-gallery::-webkit-scrollbar-thumb {
      background: rgba(52, 230, 224, 0.3);
      border-radius: 999px;
    }

    .gallery-card {
      flex: 0 0 calc(25% - 18px);
      min-width: 250px;
      scroll-snap-align: start;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      background: var(--bg-card);
      overflow: hidden;
      transition: transform .3s, border-color .3s, box-shadow .3s;
    }

    .gallery-card:hover {
      transform: translateY(-6px);
      border-color: rgba(52, 230, 224, 0.3);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    }

    .gallery-img {
      position: relative;
      height: 160px;
      overflow: hidden;
    }

    .gallery-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s;
    }

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

    .gallery-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(11, 14, 26, 0.55) 100%);
      pointer-events: none;
    }

    .gallery-body {
      padding: 20px;
    }

    .gallery-body .badge-pill {
      margin-bottom: 12px;
    }

    .gallery-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 6px;
    }

    .gallery-body p {
      font-size: 0.82rem;
      color: var(--text-soft);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .card-link {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: gap .2s;
    }

    .card-link:hover {
      gap: 8px;
      color: #A7F8F4;
    }

    /* ======= 热门活动 ======= */
    .events-section {
      background: linear-gradient(180deg, transparent, rgba(124, 108, 255, 0.04), transparent);
    }

    .events-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: start;
    }

    .event-card {
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      background: var(--bg-card);
      overflow: hidden;
      transition: transform .3s, border-color .3s, box-shadow .3s;
    }

    .event-card:hover {
      transform: translateY(-6px);
      border-color: rgba(52, 230, 224, 0.3);
      box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
    }

    .event-card:nth-child(2) {
      transform: translateY(20px);
    }

    .event-card:nth-child(2):hover {
      transform: translateY(14px);
    }

    .event-card:nth-child(3) {
      transform: translateY(8px);
    }

    .event-card:nth-child(3):hover {
      transform: translateY(2px);
    }

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

    .event-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s;
    }

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

    .event-card-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 26, 0.5) 100%);
    }

    .event-info {
      padding: 20px 22px 24px;
    }

    .event-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 0.75rem;
      color: var(--text-soft);
    }

    .event-info h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.4;
      margin-bottom: 8px;
    }

    .event-info p {
      font-size: 0.85rem;
      color: var(--text-soft);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    /* ======= 流程 ======= */
    .process-section {
      background: rgba(255, 255, 255, 0.02);
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      counter-reset: step;
    }

    .step-item {
      position: relative;
      padding: 36px 28px;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      background: var(--bg-card);
      transition: all .3s;
      overflow: hidden;
    }

    .step-item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 3px;
      height: 100%;
      background: linear-gradient(180deg, var(--primary), var(--accent));
      opacity: 0;
      transition: opacity .3s;
    }

    .step-item:hover {
      border-color: rgba(124, 108, 255, 0.3);
    }

    .step-item:hover::before {
      opacity: 1;
    }

    .step-num {
      font-size: 2.6rem;
      font-weight: 800;
      color: transparent;
      -webkit-text-stroke: 1.5px rgba(124, 108, 255, 0.7);
      line-height: 1;
      margin-bottom: 18px;
      display: block;
    }

    .step-item h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }

    .step-item p {
      font-size: 0.875rem;
      color: var(--text-soft);
      line-height: 1.65;
    }

    .step-arrow {
      position: absolute;
      right: -20px;
      top: 50%;
      transform: translateY(-50%);
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-deep);
      color: var(--accent);
      z-index: 2;
      font-size: 0.9rem;
    }

    /* ======= 数据墙 ======= */
    .stats-section {
      padding-top: 0;
    }

    .stats-wall {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
      border-radius: var(--radius-img);
      border: 1px solid var(--border);
      background: var(--bg-card);
      overflow: hidden;
    }

    .stat-item {
      text-align: center;
      padding: 44px 20px;
      border-right: 1px solid var(--border);
      transition: background .3s;
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-item:hover {
      background: rgba(124, 108, 255, 0.06);
    }

    .stat-num {
      display: block;
      font-size: clamp(2rem, 3vw, 3rem);
      font-weight: 800;
      color: #fff;
      line-height: 1.1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }

    .stat-num span {
      color: var(--accent);
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-soft);
      letter-spacing: 0.04em;
    }

    /* ======= FAQ ======= */
    .faq-layout {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 48px;
      align-items: start;
    }

    .faq-head {
      position: sticky;
      top: 120px;
    }

    .faq-head .btn {
      margin-top: 20px;
    }

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

    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.02);
      overflow: hidden;
      transition: border-color .3s;
    }

    .faq-item.active {
      border-color: rgba(124, 108, 255, 0.3);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      min-height: 56px;
      padding: 14px 20px;
      text-align: left;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-title);
      cursor: pointer;
      gap: 16px;
      transition: background .3s;
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, 0.02);
    }

    .faq-icon {
      position: relative;
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      border: 1px solid var(--border-strong);
      transition: transform .3s, background .3s;
    }

    .faq-icon::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 10px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .faq-icon::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 2px;
      height: 10px;
      background: var(--accent);
      border-radius: 2px;
      transition: transform .3s;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: rgba(52, 230, 224, 0.1);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-answer p {
      padding: 0 20px 18px;
      font-size: 0.85rem;
      line-height: 1.75;
      color: var(--text-soft);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 14px;
      margin: 0 0;
    }

    /* ======= CTA ======= */
    .cta-section {
      padding-top: var(--gap-section);
    }

    .cta-panel {
      position: relative;
      text-align: center;
      padding: clamp(50px, 8vw, 80px) clamp(20px, 4vw, 60px);
      border-radius: var(--radius-img);
      border: 1px solid rgba(124, 108, 255, 0.35);
      background:
        radial-gradient(ellipse at 50% 0%, rgba(124, 108, 255, 0.18) 0%, transparent 60%),
        var(--bg-card);
      overflow: hidden;
    }

    .cta-panel::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 180px;
      height: 180px;
      background: radial-gradient(circle, rgba(52, 230, 224, 0.15) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .cta-panel h2 {
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }

    .cta-panel > p {
      font-size: 0.95rem;
      color: var(--text-soft);
      max-width: 420px;
      margin: 0 auto 28px;
    }

    .cta-form {
      display: flex;
      max-width: 440px;
      margin: 0 auto 12px;
      gap: 10px;
    }

    .cta-form input {
      flex: 1;
      height: 44px;
      padding: 0 16px;
      border-radius: var(--radius-btn);
      border: 1px solid var(--border);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-title);
      font-size: 0.9rem;
      transition: all .3s;
    }

    .cta-form input::placeholder {
      color: #6B7280;
    }

    .cta-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(52, 230, 224, 0.12);
    }

    .form-note {
      font-size: 0.72rem !important;
      color: var(--text-soft) !important;
      margin: 0 !important;
      max-width: none !important;
    }

    /* ======= 页脚 ======= */
    .site-footer {
      background: #070A14;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 56px;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 36px;
      padding-bottom: 40px;
    }

    .footer-brand p {
      font-size: 0.85rem;
      color: var(--text-soft);
      line-height: 1.75;
      margin-top: 14px;
      max-width: 260px;
    }

    .footer-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 18px;
      letter-spacing: 0.04em;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 0.85rem;
      color: var(--text-soft);
      transition: color .2s;
    }

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

    .footer-contact p {
      font-size: 0.85rem;
      color: var(--text-soft);
      line-height: 1.7;
      margin-bottom: 6px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
      margin-top: 14px;
    }

    .social-btn {
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      border: 1px solid var(--border);
      color: var(--text-soft);
      transition: all .3s;
    }

    .social-btn:hover {
      border-color: var(--accent);
      color: var(--accent);
      box-shadow: 0 0 12px rgba(52, 230, 224, 0.15);
      transform: translateY(-2px);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 20px 0;
      text-align: center;
      font-size: 0.78rem;
      color: var(--text-soft);
      letter-spacing: 0.02em;
    }

    .footer-bottom a {
      color: var(--text-soft);
    }

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

    /* ======= 浮动CTA ======= */
    .floating-cta {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 90;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      background: var(--primary-dark);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 700;
      box-shadow: var(--shadow-btn);
      transition: all .3s;
      opacity: 0;
      transform: translateY(16px);
      pointer-events: none;
    }

    .floating-cta.visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .floating-cta:hover {
      background: var(--primary-light);
      box-shadow: 0 8px 30px rgba(52, 230, 224, 0.35);
      transform: translateY(-2px);
    }

    .floating-cta:active {
      transform: scale(0.97);
    }

    .floating-cta svg {
      width: 16px;
      height: 16px;
    }

    /* ======= 滚动渐入动画 ======= */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity .6s ease, transform .6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ======= 响应式 ======= */
    @media (max-width: 1024px) {
      .events-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .event-card:nth-child(2),
      .event-card:nth-child(3) {
        transform: none;
      }

      .event-card:nth-child(2):hover,
      .event-card:nth-child(3):hover {
        transform: translateY(-6px);
      }

      .event-card:last-child {
        grid-column: 1 / -1;
        max-width: 480px;
        margin: 0 auto;
      }

      .stat-item {
        padding: 32px 14px;
      }

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

    @media (max-width: 768px) {
      .header-top {
        padding-top: 8px;
        padding-bottom: 8px;
      }

      .header-top-inner {
        height: auto;
      }

      .header-top-right {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .header-nav {
        display: none;
      }

      .header-nav.open {
        display: block;
        border-top: 1px solid var(--border);
        padding: 10px 0;
      }

      .header-nav-inner {
        flex-wrap: wrap;
        height: auto;
        gap: 8px;
        padding-bottom: 6px;
        overflow-x: visible;
      }

      .nav-link {
        height: auto;
        padding: 8px 12px;
        flex-shrink: 0;
      }

      .trend-tags {
        width: 100%;
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 8px;
        border-top: 1px solid var(--border);
        margin-top: 4px;
        flex-wrap: wrap;
      }

      .hero-page {
        min-height: 560px;
        padding-top: 60px;
        padding-bottom: 50px;
        background:
          linear-gradient(180deg, rgba(11, 14, 26, 0.75) 0%, rgba(11, 14, 26, 0.9) 100%),
          url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      }

      .hero-mini-card {
        display: none;
      }

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

      .event-gallery {
        flex-wrap: nowrap;
        overflow-x: scroll;
        gap: 16px;
      }

      .gallery-card {
        flex: 0 0 280px;
      }

      .events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .event-card:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
      }

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

      .step-arrow {
        display: none;
      }

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

      .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 28px 12px;
      }

      .stat-item:nth-child(1),
      .stat-item:nth-child(2) {
        border-bottom: 1px solid var(--border);
      }

      .stat-item:nth-child(even) {
        border-left: 1px solid var(--border);
      }

      .stat-item:nth-child(3),
      .stat-item:nth-child(4) {
        border-bottom: none;
      }

      .faq-layout {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .faq-head {
        position: static;
      }

      .cta-form {
        flex-direction: column;
        gap: 10px;
      }

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

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

      .floating-cta {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
        right: 16px;
        bottom: 16px;
      }

      .floating-cta span {
        display: none;
      }

      .floating-cta svg {
        width: 20px;
        height: 20px;
      }
    }

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

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

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

      .faq-question {
        font-size: 0.85rem;
        padding: 14px 16px;
      }

      .faq-answer p {
        padding: 12px 16px 16px;
        font-size: 0.8rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }