/* roulang page: index */
:root {
  --bg-primary: #0B0F0C;
  --bg-secondary: #131713;
  --bg-card: #1B201B;
  --color-primary: #C8FF31;
  --color-accent: #FFB800;
  --color-success: #2BCB77;
  --color-error: #FF4D4F;
  --text-primary: #F0F5EE;
  --text-secondary: #90A09B;
  --text-muted: #6B7A75;
  --border-color: rgba(255,255,255,0.08);
  --border-primary: rgba(200,255,49,0.35);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-default: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-primary: 0 4px 20px rgba(200,255,49,0.25);
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --space-section-lg: 100px;
  --space-section-md: 80px;
  --space-section-sm: 48px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, opacity 0.3s ease; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
.grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(200,255,49,0.3); color: #fff; }

.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 1080px;
}
.nav-capsule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11,15,12,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  box-shadow: var(--shadow-default);
  min-height: 60px;
}
.brand-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
  line-height: 1.2;
}
.brand-logo span { color: var(--text-primary); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-links a.active { color: var(--color-primary); background: rgba(200,255,49,0.1); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.06);
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-primary);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 88px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 400px;
  background: rgba(11,15,12,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 16px;
  z-index: 999;
  box-shadow: var(--shadow-default);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  color: var(--text-secondary);
  font-size: 16px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}
.mobile-menu a:hover, .mobile-menu a.active { background: rgba(200,255,49,0.1); color: var(--color-primary); }

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.7) 50%, rgba(11,15,12,1) 100%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200,255,49,0.15) 0%, rgba(200,255,49,0) 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  padding: 0 24px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,255,49,0.1);
  border: 1px solid var(--border-primary);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
  letter-spacing: 1px;
}
.hero-eyebrow i { font-size: 14px; }
.hero-title {
  font-size: 64px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 24px;
  text-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.hero-title .highlight {
  color: var(--color-primary);
}
.hero-subtitle {
  font-size: 20px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 36px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(19,23,19,0.8);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--color-accent); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  transition: all 0.3s ease;
  line-height: 1.4;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #0B0F0C;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: #D6FF62; box-shadow: 0 8px 30px rgba(200,255,49,0.35); transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.btn-large { padding: 16px 40px; font-size: 17px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: rgba(200,255,49,0.08); transform: translateY(-2px); }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 40px;
  height: 40px;
  color: var(--text-muted);
  font-size: 20px;
  animation: bounce 2s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.stats-section {
  position: relative;
  z-index: 3;
  padding: 60px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}
.stats-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.stat-item {
  text-align: center;
  padding: 16px 32px;
}
.stat-value {
  font-size: 44px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-color);
}

.section { padding: var(--space-section-lg) 0; position: relative; }
.section-header {
  max-width: 800px;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  background: rgba(200,255,49,0.1);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-title {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.timeline-section {
  background: var(--bg-primary);
  position: relative;
}
.timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  gap: 40px;
  margin-bottom: 56px;
  position: relative;
  align-items: flex-start;
}
.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}
.timeline-item::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(200,255,49,0.2), 0 0 20px rgba(200,255,49,0.5);
}
.timeline-time {
  width: 45%;
  text-align: right;
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
}
.timeline-item:nth-child(odd) .timeline-time {
  text-align: left;
  order: 2;
}
.timeline-content {
  width: 45%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.timeline-item:nth-child(odd) .timeline-content {
  order: 1;
}
.timeline-content:hover {
  border-color: var(--border-primary);
  transform: translateY(-4px);
}
.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.timeline-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,184,0,0.1);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}

.featured-section {
  background: var(--bg-secondary);
}
.featured-grid {
  display: flex;
  gap: 32px;
  align-items: stretch;
}
.featured-main {
  flex: 0 0 58%;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}
.featured-main:hover { border-color: var(--border-primary); transform: translateY(-4px); }
.featured-main img { width: 100%; height: 320px; object-fit: cover; }
.featured-main-body { padding: 28px; }
.featured-main-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.featured-main-body p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }
.featured-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.featured-card {
  flex: 1;
  display: flex;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.3s ease;
  align-items: center;
}
.featured-card:hover { border-color: var(--border-primary); transform: translateX(4px); }
.featured-card img { width: 120px; height: 120px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.featured-card-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.featured-card-body p { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }

.highlights-section {
  background: var(--bg-primary);
}
.highlight-list { display: flex; flex-direction: column; gap: 12px; }
.highlight-item {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}
.highlight-item:hover { border-color: var(--border-primary); transform: translateX(6px); }
.highlight-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  width: 80px;
  text-align: center;
  flex-shrink: 0;
}
.highlight-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.highlight-info p { font-size: 15px; color: var(--text-secondary); }
.highlight-item i { margin-left: auto; color: var(--color-primary); font-size: 20px; flex-shrink: 0; }

.tickets-section {
  background: var(--bg-secondary);
  position: relative;
}
.tickets-grid {
  display: flex;
  gap: 24px;
  align-items: stretch;
  justify-content: center;
}
.ticket-card {
  flex: 1;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}
.ticket-card.featured {
  border-color: var(--border-primary);
  box-shadow: var(--shadow-primary);
  transform: scale(1.03);
  z-index: 2;
}
.ticket-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #0B0F0C;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
}
.ticket-type { font-size: 14px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.ticket-price { font-size: 48px; font-weight: 800; color: var(--text-primary); margin-bottom: 20px; line-height: 1.2; }
.ticket-price span {
  font-size: 20px;
  color: var(--text-muted);
  font-weight: 400;
  margin-right: 4px;
}
.ticket-features { list-style: none; margin-bottom: 32px; flex: 1; }
.ticket-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ticket-features li:last-child { border-bottom: none; }
.ticket-features li i { color: var(--color-primary); font-size: 14px; margin-top: 4px; flex-shrink: 0; }
.ticket-card .btn { width: 100%; }

.cta-section {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}
.cta-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.countdown-wrap { text-align: center; }
.countdown-label { font-size: 16px; color: var(--text-secondary); margin-bottom: 24px; letter-spacing: 1px; }
.countdown-box {
  display: flex;
  gap: 16px;
  justify-content: center;
}
.countdown-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  min-width: 80px;
  text-align: center;
}
.countdown-item span { display: block; }
.countdown-num { font-size: 36px; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
.countdown-unit { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.cta-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-default);
}
.cta-form-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.cta-form-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 8px; }
.form-control {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,255,49,0.15);
}
textarea.form-control { min-height: 80px; resize: vertical; }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='white' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-submit {
  width: 100%;
  margin-top: 8px;
}
.form-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.form-note i { color: var(--color-success); }

.news-section {
  background: var(--bg-secondary);
}
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: all 0.3s ease;
}
.news-item:hover { border-color: var(--border-primary); transform: translateX(4px); }
.news-thumb {
  width: 160px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--bg-secondary);
}
.news-body { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; flex-wrap: wrap; }
.news-cat {
  background: rgba(200,255,49,0.1);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}
.news-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); line-height: 1.4; }
.news-body p { font-size: 14px; color: var(--text-secondary); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-link {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}
.news-link:hover { gap: 12px; }
.news-empty {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-color);
}
.news-empty i { font-size: 48px; color: var(--text-muted); margin-bottom: 20px; display: block; }
.news-empty p { font-size: 18px; color: var(--text-secondary); margin-bottom: 24px; }
.section-footer-btn { text-align: center; margin-top: 48px; }

.faq-section { background: var(--bg-primary); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 12px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; transition: border-color 0.3s ease; }
.faq-item.active { border-color: var(--border-primary); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.3s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.faq-question:hover { color: var(--color-primary); }
.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 28px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  border-top: 0px solid transparent;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 28px 22px;
  border-top-width: 1px;
  border-color: var(--border-color);
}

.site-footer {
  background: #080B09;
  border-top: 1px solid var(--border-color);
  padding-top: 60px;
  position: relative;
}
.footer-cta {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 60px;
  border: 1px solid var(--border-color);
}
.footer-cta h3 { font-size: 24px; font-weight: 700; }
.footer-cta p { color: var(--text-secondary); font-size: 15px; margin-top: 6px; }
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.8;
}
.footer-title { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-secondary); transition: color 0.3s ease; }
.footer-links a:hover { color: var(--color-primary); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.footer-contact i { color: var(--color-primary); margin-top: 4px; }
.footer-subscribe p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.subscribe-form { display: flex; gap: 8px; }
.subscribe-form .form-control { flex: 1; }
.subscribe-form .btn { padding: 12px 24px; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-icp { color: var(--text-muted); }

@media (max-width: 1024px) {
  .hero-title { font-size: 48px; }
  .section { padding: var(--space-section-md) 0; }
  .featured-grid { flex-direction: column; }
  .featured-main { flex: none; }
  .featured-side { flex-direction: row; }
  .tickets-grid { flex-wrap: wrap; }
  .ticket-card { flex: 0 0 calc(50% - 12px); max-width: none; }
  .ticket-card.featured { order: -1; flex: 0 0 calc(100% - 0px); }
  .cta-container { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { min-height: 90vh; padding: 100px 0 80px; }
  .hero-title { font-size: 40px; }
  .hero-subtitle { font-size: 17px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .brand-logo { font-size: 18px; }
  .nav-capsule { min-height: 56px; padding: 8px 16px; }
  .section-title { font-size: 32px; }
  .section-desc { font-size: 16px; }
  .timeline-section::before { left: 20px; }
  .timeline-item, .timeline-item:nth-child(odd) { flex-direction: column; gap: 12px; padding-left: 48px; }
  .timeline-time, .timeline-item:nth-child(odd) .timeline-time { width: 100%; text-align: left; font-size: 24px; }
  .timeline-content, .timeline-item:nth-child(odd) .timeline-content { width: 100%; }
  .timeline-item::before { left: 14px; transform: none; }
  .featured-side { flex-direction: column; }
  .highlight-item { flex-wrap: wrap; gap: 16px; }
  .highlight-num { width: 60px; font-size: 32px; }
  .ticket-card { flex: 0 0 100%; }
  .ticket-card.featured { flex: 0 0 100%; }
  .cta-form { padding: 28px 20px; }
  .form-row { flex-direction: column; gap: 0; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 16px; }
  .news-thumb { width: 100%; height: 160px; }
  .news-link { white-space: normal; }
  .footer-cta { flex-direction: column; text-align: center; padding: 32px 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .countdown-item { min-width: 60px; padding: 14px 10px; }
  .countdown-num { font-size: 24px; }
  .stats-grid { flex-direction: column; gap: 24px; }
  .stat-divider { display: none; }
}

@media (max-width: 520px) {
  .hero { padding: 90px 0 60px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-badges { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; }
  .section { padding: var(--space-section-sm) 0; }
  .section-title { font-size: 28px; }
  .highlight-item { padding: 20px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0B0F0C;
            --bg-secondary: #131713;
            --bg-card: #1B201B;
            --accent-primary: #C8FF31;
            --accent-secondary: #FFB800;
            --success: #2BCB77;
            --error: #FF4D4F;
            --text-primary: #F0F5EE;
            --text-secondary: #90A09B;
            --text-muted: #6B7A75;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(200, 255, 49, 0.35);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-accent: 0 4px 20px rgba(200, 255, 49, 0.25);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

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

        ::selection {
            background: rgba(200, 255, 49, 0.3);
            color: var(--text-primary);
        }

        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 20px;
            pointer-events: none;
        }

        .nav-capsule {
            max-width: 820px;
            width: 100%;
            background: rgba(11, 15, 12, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 58px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            pointer-events: auto;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .nav-capsule:hover {
            border-color: rgba(200, 255, 49, 0.2);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(200, 255, 49, 0.06);
        }

        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            line-height: 1.2;
        }

        .brand-logo span {
            color: var(--accent-primary);
            margin-left: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--accent-primary);
            background: rgba(200, 255, 49, 0.1);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 20px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease;
            border: 1px solid var(--border-light);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent-primary);
        }

        .cat-hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), var(--bg-primary) 100%),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: -150px;
            right: -150px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(200, 255, 49, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cat-hero h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 560px;
            color: var(--text-primary);
        }

        .cat-hero .lead {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 0;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(19, 23, 19, 0.8);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
        }

        .badge-pill i {
            color: var(--accent-primary);
            font-size: 11px;
        }

        .guides-section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-primary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 14px;
            background: rgba(200, 255, 49, 0.08);
            border: 1px solid rgba(200, 255, 49, 0.15);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .guide-feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-accent);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
        }

        .guide-card .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(200, 255, 49, 0.1);
            border: 1px solid rgba(200, 255, 49, 0.2);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--accent-primary);
            font-size: 18px;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-secondary);
            background: rgba(255, 184, 0, 0.1);
            border: 1px solid rgba(255, 184, 0, 0.2);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .pipeline-section {
            padding: 0 0 var(--spacing-section);
        }

        .pipeline-wrap {
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .pipeline-wrap::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(200, 255, 49, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .pipe-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .pipe-step {
            position: relative;
            padding-top: 24px;
        }

        .pipe-step::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            border-top: 1px dashed rgba(255, 255, 255, 0.2);
        }

        .step-num {
            position: absolute;
            top: -14px;
            left: 0;
            background: var(--bg-primary);
            border: 1px solid rgba(200, 255, 49, 0.4);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 700;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .pipe-step h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .pipe-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .highlight-box {
            background: rgba(200, 255, 49, 0.04);
            border: 1px solid rgba(200, 255, 49, 0.18);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 32px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .highlight-box i {
            color: var(--accent-primary);
            font-size: 16px;
            margin-top: 4px;
        }

        .highlight-box p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .highlight-box strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .scene-section {
            padding: 0 0 var(--spacing-section);
        }

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

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
        }

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

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

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

        .scene-content {
            padding: 20px;
        }

        .scene-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .scene-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-primary);
            transition: gap 0.3s ease;
        }

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

        .faq-section {
            padding: 0 0 var(--spacing-section);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.active {
            border-color: rgba(200, 255, 49, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.3s ease;
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            font-family: var(--font-sans);
        }

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

        .faq-item.active .faq-question {
            color: var(--accent-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            margin-left: 16px;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: currentColor;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .faq-icon::before {
            width: 2px;
            height: 14px;
            top: 3px;
            left: 9px;
        }

        .faq-icon::after {
            width: 14px;
            height: 2px;
            top: 9px;
            left: 3px;
        }

        .faq-item.active .faq-icon::before {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-item.active .faq-icon::after {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-light);
            padding-top: 18px;
            margin: 0 0 0;
        }

        .cta-section {
            padding: 0 0 var(--spacing-section);
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(200, 255, 49, 0.08) 0%, rgba(19, 23, 19, 0.9) 50%, rgba(255, 184, 0, 0.05) 100%);
            border: 1px solid rgba(200, 255, 49, 0.2);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: 10%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(200, 255, 49, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.2;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: var(--bg-primary);
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: #D6FF62;
            color: var(--bg-primary);
            box-shadow: 0 6px 30px rgba(200, 255, 49, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 16px rgba(200, 255, 49, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(200, 255, 49, 0.05);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(200, 255, 49, 0.6);
            outline-offset: 2px;
        }

        .site-footer {
            background: #080B09;
            padding-top: 72px;
            border-top: 1px solid var(--border-light);
        }

        .footer-cta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            margin-bottom: 56px;
            border: 1px solid var(--border-light);
            gap: 32px;
        }

        .footer-cta h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .footer-cta p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 0;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-light);
        }

        .footer-brand .brand-logo {
            font-size: 22px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.3s ease;
        }

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

        .footer-contact li {
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-primary);
            margin-top: 4px;
            font-size: 13px;
            width: 16px;
            text-align: center;
        }

        .footer-subscribe p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
        }

        .subscribe-form .form-control {
            flex: 1;
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-form .form-control::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form .form-control:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(200, 255, 49, 0.15);
        }

        .subscribe-form .btn {
            padding: 12px 20px;
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .footer-icp {
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .pipe-steps {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 36px;
            }

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

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

        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header {
                top: 12px;
            }

            .nav-capsule {
                padding: 8px 16px;
                min-height: 52px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .nav-toggle {
                display: flex;
                border: 1px solid rgba(255, 255, 255, 0.1);
                background: rgba(19, 23, 19, 0.8);
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 76px;
                left: 20px;
                right: 20px;
                background: rgba(11, 15, 12, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 20px;
                flex-direction: column;
                padding: 16px;
                gap: 8px;
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
                z-index: 999;
            }

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

            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: 12px;
            }

            .nav-links a.active {
                background: rgba(200, 255, 49, 0.12);
            }

            .cat-hero {
                padding: 130px 0 56px;
            }

            .cat-hero h1 {
                font-size: 32px;
                line-height: 1.25;
            }

            .cat-hero .lead {
                font-size: 15px;
            }

            .guides-section,
            .pipeline-section,
            .scene-section,
            .faq-section,
            .cta-section {
                padding-top: 0;
                --spacing-section: 56px;
                padding-bottom: 56px;
            }

            .section-title {
                font-size: 26px;
            }

            .guide-feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .pipeline-wrap {
                padding: 32px 20px;
            }

            .pipe-steps {
                grid-template-columns: 1fr;
                row-gap: 32px;
            }

            .highlight-box {
                padding: 16px;
                flex-direction: column;
                gap: 8px;
            }

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

            .cta-banner {
                flex-direction: column;
                padding: 36px 28px;
                text-align: center;
                align-items: center;
            }

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

            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .footer-cta {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
                gap: 20px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 36px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                padding: 20px 0;
            }

            .subscribe-form {
                flex-direction: column;
            }

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

        @media (max-width: 520px) {
            .nav-links {
                left: 12px;
                right: 12px;
            }

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

            .cat-hero .lead {
                font-size: 14px;
            }

            .hero-badges {
                gap: 8px;
            }

            .badge-pill {
                font-size: 11px;
                padding: 5px 10px;
            }

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

            .section-subtitle {
                font-size: 14px;
            }

            .guide-card {
                padding: 20px;
            }

            .footer-cta h3 {
                font-size: 18px;
            }

            .footer-cta p {
                font-size: 13px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0B0F0C;
            --bg-secondary: #131713;
            --bg-card: #1B201B;
            --bg-article: #101410;
            --accent: #C8FF31;
            --accent-hover: #D6FF62;
            --accent-dim: rgba(200, 255, 49, 0.35);
            --accent-soft: rgba(200, 255, 49, 0.1);
            --amber: #FFB800;
            --success: #2BCB77;
            --error: #FF4D4F;
            --text-primary: #F0F5EE;
            --text-secondary: #90A09B;
            --text-muted: #6B7A75;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.12);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-accent: 0 4px 20px rgba(200, 255, 49, 0.25);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-cn);
            background: var(--bg-article);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 700;
            line-height: 1.3;
        }

        p {
            margin: 0;
        }

        ::selection {
            background: rgba(200, 255, 49, 0.25);
            color: var(--text-primary);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid rgba(200, 255, 49, 0.6);
            outline-offset: 2px;
        }

        /* ===== 容器 ===== */
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #0B0F0C;
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(200, 255, 49, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

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

        .btn:active {
            transform: scale(0.97);
        }

        /* ===== 表单控件 ===== */
        .form-control {
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        .form-control:focus {
            outline: 2px solid rgba(200, 255, 49, 0.6);
            outline-offset: 2px;
            border-color: var(--accent);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 20px;
            pointer-events: none;
        }

        .nav-capsule {
            position: relative;
            max-width: 1080px;
            width: 100%;
            background: rgba(11, 15, 12, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            pointer-events: auto;
            box-shadow: var(--shadow);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo span {
            color: var(--text-primary);
            font-weight: 400;
            margin-left: 2px;
        }

        .nav-toggle {
            display: none;
            color: var(--text-primary);
            font-size: 20px;
            padding: 6px 10px;
            border-radius: 8px;
            transition: color 0.25s;
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            transition: all 0.25s ease;
            display: inline-block;
        }

        .nav-links a:hover {
            color: var(--accent);
            background: var(--accent-soft);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(200, 255, 49, 0.12);
            font-weight: 600;
        }

        /* ===== 文章页主区 ===== */
        .article-main {
            padding: 140px 0 60px;
            background: var(--bg-article);
            min-height: 70vh;
        }

        .article-header {
            max-width: 760px;
            margin: 0 auto 40px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.25s;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }

        .article-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .article-meta-info {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .article-meta-info i {
            color: var(--accent);
            font-size: 14px;
        }

        /* ===== 正文排版 ===== */
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
        }

        .article-content p {
            margin: 20px 0;
            color: var(--text-primary);
        }

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

        .article-content em {
            font-style: italic;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 48px 0 16px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 36px 0 12px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 28px 0;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .article-content blockquote p {
            margin: 4px 0;
            color: var(--text-secondary);
        }

        .article-content ul,
        .article-content ol {
            margin: 24px 0;
            padding-left: 24px;
        }

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

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

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

        .article-content li::marker {
            color: var(--accent);
        }

        .article-content img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            max-width: 100%;
            height: auto;
            margin: 28px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 14px;
            display: block;
            overflow-x: auto;
            border-radius: var(--radius-sm);
        }

        .article-content th {
            background: var(--bg-card);
            color: var(--text-primary);
            padding: 12px 16px;
            text-align: left;
            border: 1px solid var(--border-strong);
            font-weight: 600;
            white-space: nowrap;
        }

        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border-strong);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-decoration-color: rgba(200, 255, 49, 0.4);
            text-underline-offset: 3px;
            transition: color 0.25s, text-decoration-color 0.25s;
        }

        .article-content a:hover {
            color: var(--accent-hover);
            text-decoration-color: var(--accent);
        }

        .article-content hr {
            margin: 32px 0;
            border: none;
            border-top: 1px solid var(--border);
        }

        .article-content code {
            background: var(--bg-card);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--accent);
        }

        /* ===== 空态 ===== */
        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }

        .article-empty i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }

        .article-empty p {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        /* ===== 相关推荐 ===== */
        .related-posts {
            max-width: 960px;
            margin: 60px auto 0;
            padding-top: 48px;
            border-top: 1px solid var(--border);
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }

        .section-head h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .related-grid {
            margin: 0 -12px;
        }

        .related-feature-cell,
        .related-list-cell {
            padding: 0 12px;
        }

        .related-feature {
            display: flex;
            height: 100%;
            min-height: 220px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .related-feature:hover {
            transform: translateY(-4px);
            border-color: rgba(200, 255, 49, 0.4);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }

        .related-image {
            width: 220px;
            flex-shrink: 0;
            overflow: hidden;
        }

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

        .related-feature:hover .related-image img {
            transform: scale(1.04);
        }

        .related-body {
            flex: 1;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }

        .related-body .tag {
            align-self: flex-start;
            background: rgba(255, 184, 0, 0.15);
            color: var(--amber);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .related-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .related-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.65;
            margin: 0;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            margin-top: 4px;
            transition: gap 0.25s ease;
        }

        .related-feature:hover .read-more {
            gap: 10px;
        }

        .related-list {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: border-color 0.3s ease, transform 0.3s ease;
            flex: 1;
        }

        .related-item:hover {
            border-color: rgba(200, 255, 49, 0.4);
            transform: translateY(-2px);
        }

        .related-date {
            color: var(--text-muted);
            font-size: 13px;
            flex-shrink: 0;
            background: var(--bg-secondary);
            padding: 4px 10px;
            border-radius: 6px;
        }

        .related-text {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-secondary);
            margin-top: 60px;
            border-top: 1px solid var(--border);
        }

        .cta-inner {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080B09;
            padding: 60px 0 24px;
            border-top: 1px solid var(--border);
        }

        .footer-cta {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .footer-cta h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .footer-cta p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
        }

        .footer-brand p {
            margin-top: 16px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

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

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
            font-size: 14px;
        }

        .footer-subscribe p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .subscribe-form .form-control {
            flex: 1;
            padding: 10px 16px;
        }

        .subscribe-form .btn {
            padding: 10px 18px;
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-icp {
            letter-spacing: 0.02em;
        }

        /* ===== 响应式：平板 ===== */
        @media (min-width: 641px) and (max-width: 1024px) {
            .article-main {
                padding-top: 120px;
            }

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

            .related-feature {
                min-height: 200px;
            }

            .related-image {
                width: 180px;
            }
        }

        /* ===== 响应式：手机 ===== */
        @media (max-width: 640px) {
            .site-header {
                top: 12px;
                padding: 0 12px;
            }

            .nav-capsule {
                padding: 8px 16px;
                border-radius: 18px;
            }

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

            .nav-toggle {
                display: block;
            }

            .nav-links {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 15, 12, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: var(--radius-lg);
                padding: 12px;
                gap: 4px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
                box-shadow: var(--shadow);
            }

            .nav-links.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-links a {
                display: block;
                padding: 10px 16px;
                text-align: center;
                border-radius: 10px;
            }

            .article-main {
                padding: 110px 0 40px;
            }

            .article-header {
                margin-bottom: 28px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-meta-info {
                gap: 12px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 20px;
                margin-top: 36px;
            }

            .article-content h3 {
                font-size: 17px;
                margin-top: 28px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .related-posts {
                margin-top: 40px;
                padding-top: 32px;
            }

            .related-grid {
                margin: 0;
            }

            .related-feature-cell,
            .related-list-cell {
                padding: 0;
                margin-bottom: 16px;
            }

            .related-feature {
                flex-direction: column;
                min-height: 0;
            }

            .related-image {
                width: 100%;
                height: 180px;
            }

            .related-body {
                padding: 20px;
            }

            .related-list {
                gap: 12px;
            }

            .related-item {
                padding: 14px 16px;
            }

            .cta-section {
                padding: 56px 0;
                margin-top: 40px;
            }

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

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

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

            .footer-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }

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

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

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

            .subscribe-form {
                flex-direction: column;
            }

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

/* roulang page: category2 */
:root {
            --bg: #0B0F0C;
            --bg-secondary: #131713;
            --card-bg: #1B201B;
            --primary: #C8FF31;
            --accent: #FFB800;
            --success: #2BCB77;
            --error: #FF4D4F;
            --text: #F0F5EE;
            --text-secondary: #90A09B;
            --text-muted: #6B7A75;
            --border: rgba(255,255,255,0.08);
            --border-primary: rgba(200,255,49,0.35);
            --radius-large: 16px;
            --radius-card: 12px;
            --radius-pill: 999px;
            --radius-input: 8px;
            --shadow: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-primary: 0 4px 20px rgba(200,255,49,0.25);
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--text);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover { color: var(--primary); }

        img { max-width: 100%; display: block; }
        ul { list-style: none; margin: 0; padding: 0; }
        button { font-family: inherit; }
        h1, h2, h3, h4, h5, h6 { margin: 0 0 12px; line-height: 1.3; font-weight: 700; }
        p { margin: 0 0 20px; }

        ::selection { background: rgba(200,255,49,0.25); color: #fff; }
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid rgba(200,255,49,0.6);
            outline-offset: 2px;
        }

        .grid-container { max-width: 1200px; }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #0B0F0C;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            background: #D6FF62;
            color: #0B0F0C;
            box-shadow: 0 8px 30px rgba(200,255,49,0.4);
            transform: translateY(-2px);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(200,255,49,0.06);
        }
        .btn:focus-visible {
            outline: 2px solid rgba(200,255,49,0.6);
            outline-offset: 2px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 999;
            display: flex;
            justify-content: center;
            pointer-events: none;
            padding: 0 16px;
        }
        .nav-capsule {
            pointer-events: auto;
            width: 100%;
            max-width: 1080px;
            background: rgba(11,15,12,0.75);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 999px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            transition: border-radius .3s ease;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .brand-logo span {
            color: var(--primary);
            font-weight: 400;
            font-size: 14px;
            margin-left: 4px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            color: var(--text-secondary);
            transition: all .25s ease;
            display: inline-block;
        }
        .nav-links a:hover {
            color: var(--text);
            background: rgba(255,255,255,0.06);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(200,255,49,0.12);
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 0;
            color: var(--text);
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
        }

        /* ============ 区块通用 ============ */
        .section { padding: 100px 0; position: relative; }
        .section-alt { background: var(--bg-secondary); }
        .section-label {
            display: inline-block;
            color: var(--primary);
            font-size: 13px;
            letter-spacing: 3px;
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .section-head { max-width: 680px; margin-bottom: 56px; }
        .section-head p { color: var(--text-secondary); font-size: 16px; margin-bottom: 0; }

        /* ============ 分类页 Hero ============ */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            padding: 180px 0 50px;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11,15,12,0.94) 20%, rgba(11,15,12,0.72) 60%, rgba(11,15,12,0.5) 100%);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 90px;
            background: linear-gradient(180deg, transparent, var(--bg));
        }
        .category-hero .grid-container { position: relative; z-index: 2; }
        .hero-caption { max-width: 760px; }
        .hero-badge {
            display: inline-block;
            background: rgba(200,255,49,0.12);
            border: 1px solid rgba(200,255,49,0.35);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-caption h1 {
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-caption p {
            font-size: 18px;
            color: #BCC8C0;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 30px;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(11,15,12,0.6);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 999px;
        }
        .hero-meta i { color: var(--primary); }

        /* ============ 平台概览 ============ */
        .overview-media { position: relative; margin-bottom: 40px; }
        .media-frame {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .media-frame img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .media-frame:hover img { transform: scale(1.03); }
        .media-float-card {
            position: absolute;
            bottom: -20px;
            right: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border-primary);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow);
        }
        .media-float-card i { font-size: 26px; color: var(--accent); }
        .media-float-card strong { display: block; font-size: 15px; line-height: 1.4; }
        .media-float-card span { font-size: 13px; color: var(--text-secondary); }
        .check-list { margin: 24px 0 32px; }
        .check-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            color: var(--text-secondary);
            font-size: 15px;
        }
        .check-list i { color: var(--primary); font-size: 16px; width: 20px; text-align: center; }

        /* ============ 核心功能 ============ */
        .feature-cell { margin-bottom: 24px; }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 28px;
            height: 100%;
            transition: all .3s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(200,255,49,0.4);
            box-shadow: var(--shadow);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200,255,49,0.12);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 20px;
        }
        .feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
        .feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin: 0; }

        /* ============ 数据条 ============ */
        .trust-strip {
            background: linear-gradient(90deg, rgba(200,255,49,0.06), rgba(255,184,0,0.06));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 64px 0;
        }
        .trust-cell { text-align: center; padding: 16px 0; }
        .trust-num {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .trust-label { color: var(--text-secondary); font-size: 14px; margin-top: 8px; }

        /* ============ 流程 ============ */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .process-item {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 32px 24px;
            transition: all .3s ease;
        }
        .process-item:hover {
            transform: translateY(-4px);
            border-color: rgba(200,255,49,0.4);
            box-shadow: var(--shadow);
        }
        .process-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            opacity: 0.85;
            margin-bottom: 14px;
            font-style: italic;
            line-height: 1;
        }
        .process-item h3 { font-size: 18px; margin-bottom: 8px; }
        .process-item p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.7; }

        /* ============ FAQ ============ */
        .faq-list { display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item.open { border-color: rgba(200,255,49,0.5); }
        .faq-question {
            width: 100%;
            background: transparent;
            border: 0;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            margin: 0;
            transition: color .2s ease;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-icon {
            flex: 0 0 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            line-height: 1;
            transition: transform .3s ease, background .3s ease, color .3s ease;
            margin-left: 16px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: var(--bg);
            border-color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }
        .faq-answer-inner p { margin: 0; }

        /* ============ CTA ============ */
        .cta-section { padding: 100px 0; }
        .cta-box {
            background: linear-gradient(135deg, rgba(200,255,49,0.10), rgba(255,184,0,0.05)), var(--card-bg);
            border: 1px solid var(--border-primary);
            border-radius: 16px;
            padding: 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(200,255,49,0.18), transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-box p { color: var(--text-secondary); margin-bottom: 32px; position: relative; }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            position: relative;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #080B09;
            border-top: 1px solid var(--border);
            padding-top: 80px;
        }
        .footer-cta {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }
        .footer-cta h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
        .footer-cta p { color: var(--text-secondary); margin: 0; }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 56px;
        }
        .footer-brand .brand-logo { font-size: 20px; }
        .footer-brand p { color: var(--text-secondary); font-size: 14px; margin-top: 16px; line-height: 1.8; }
        .footer-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; color: var(--text); }
        .footer-links li, .footer-contact li { margin-bottom: 10px; }
        .footer-links a { color: var(--text-secondary); font-size: 14px; transition: all .2s ease; display: inline-block; }
        .footer-links a:hover { color: var(--primary); padding-left: 4px; }
        .footer-contact li {
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i { color: var(--primary); width: 16px; text-align: center; }
        .footer-subscribe p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; }
        .subscribe-form { display: flex; gap: 12px; margin-top: 16px; }
        .subscribe-form .form-control {
            flex: 1;
            min-width: 0;
            background: var(--bg);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text);
            font-size: 14px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }
        .subscribe-form .form-control::placeholder { color: var(--text-muted); }
        .subscribe-form .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200,255,49,0.2);
        }
        .subscribe-form .btn { padding: 12px 20px; }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom p { margin: 0; }
        .footer-icp { color: var(--text-muted); margin: 0; }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .section { padding: 80px 0; }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-main { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-capsule {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 12px 20px;
            }
            .nav-links {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                display: none;
                padding-top: 12px;
            }
            .nav-links.open { display: flex; }
            .nav-links a { text-align: center; padding: 12px; }

            .category-hero { min-height: 300px; padding: 150px 0 40px; }
            .hero-caption h1 { font-size: 32px; }
            .hero-caption p { font-size: 16px; }
            .hero-actions .btn { width: 100%; }
            .media-frame img { height: 260px; }
            .cta-box { padding: 40px 24px; }
            .footer-main { grid-template-columns: 1fr; gap: 32px; }
        }

        @media (max-width: 640px) {
            .section { padding: 64px 0; }
            .trust-strip { padding: 48px 0; }
            .trust-cell { padding: 10px 0; }
            .process-grid { grid-template-columns: 1fr; }
            .footer-cta { padding: 32px 24px; text-align: center; justify-content: center; }
            .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
        }