/* roulang page: index */
:root {
  --primary: #6FBF44;
  --secondary: #A8D948;
  --accent: #FF6B35;
  --bg-main: #0B0F0A;
  --bg-alt: #0F1510;
  --bg-dark: #080B08;
  --card-bg: #111711;
  --text-title: #F2F7EE;
  --text-body: #C9D2C2;
  --text-muted: #8A9582;
  --text-placeholder: #5C6556;
  --border-green: rgba(111,191,68,0.2);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-badge: 999px;
  --shadow-card: 0 2px 12px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(111,191,68,0.18);
  --glow: 0 0 12px rgba(111,191,68,0.6);
  --container-w: 1200px;
  --spacer-lg: 80px;
  --spacer-md: 48px;
  --spacer-sm: 24px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-main);
  color: var(--text-body);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
section { position: relative; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-btn); font-weight: 700;
  font-size: 16px; line-height: 1.2; border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #0B0F0A; }
.btn-primary:hover { background: #84D454; color: #0B0F0A; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(111,191,68,0.3); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(111,191,68,0.12); border-color: var(--secondary); color: var(--secondary); box-shadow: 0 0 12px rgba(111,191,68,0.3); }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; box-shadow: 0 0 0 4px rgba(111,191,68,0.25); }
@media (max-width: 480px) {
  .btn { width: 100%; padding: 13px 20px; }
}

/* ===== Badge / Tag ===== */
.badge {
  display: inline-block; background: var(--primary); color: #0B0F0A;
  font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: var(--radius-badge);
  letter-spacing: 0.02em;
}

/* ===== Section header ===== */
.section-head { text-align: left; margin-bottom: var(--spacer-md); max-width: 720px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head .eyebrow { display: inline-block; color: var(--secondary); font-size: 14px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }
.section-head h2 {
  font-size: clamp(22px, 3vw, 32px); font-weight: 700; color: var(--text-title);
  line-height: 1.4; margin-bottom: 12px;
}
.section-head p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 14, 9, 0.98);
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(to right, transparent, var(--primary), transparent) 1;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { background: rgba(8, 12, 8, 0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-size: 22px; font-weight: 800; color: var(--text-title); letter-spacing: 0.02em; display: flex; align-items: center; gap: 6px; }
.logo i { color: var(--primary); font-size: 24px; }
.logo:hover { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a {
  color: var(--text-body); font-size: 15px; font-weight: 500; padding: 8px 2px;
  position: relative; transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 28px; height: 2px; border-radius: 2px; background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 10px 22px; font-size: 15px; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-title); font-size: 24px; cursor: pointer; padding: 6px; }
.mobile-menu {
  display: block; position: fixed; top: 72px; left: 0; right: 0; z-index: 999;
  background: rgba(10, 14, 9, 0.98); padding: 20px 24px 30px;
  border-bottom: 1px solid var(--border-green);
  transform: translateY(-120%); transition: transform 0.3s ease; visibility: hidden;
}
.mobile-menu.open { transform: translateY(0); visibility: visible; }
.mobile-menu a {
  display: block; padding: 12px 0; font-size: 18px; color: var(--text-body);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--primary); }
.mobile-menu .btn { margin-top: 16px; }
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative;
  background: linear-gradient(to right, rgba(6,10,6,0.95) 0%, rgba(10,16,10,0.65) 55%, rgba(10,16,10,0.2) 100%),
              url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 120px 0 80px;
}
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 100px 0 60px; }
}
.hero-inner { display: flex; justify-content: space-between; align-items: center; gap: 60px; width: 100%; }
.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(111,191,68,0.15);
  border: 1px solid var(--border-green); color: var(--secondary); font-size: 14px;
  font-weight: 600; padding: 6px 18px; border-radius: var(--radius-badge); margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 52px); font-weight: 800; color: var(--text-title);
  line-height: 1.3; letter-spacing: 0.02em; margin-bottom: 20px;
}
.hero h1 .line { position: relative; }
.hero h1 .line::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 56px; height: 4px;
  border-radius: 4px; background: var(--primary); box-shadow: var(--glow);
}
.hero-sub { font-size: 18px; line-height: 1.8; color: var(--text-body); margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-info {
  display: flex; gap: 28px; flex-wrap: wrap; color: var(--text-muted); font-size: 15px;
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
}
.hero-info span { display: inline-flex; align-items: center; gap: 8px; }
.hero-info i { color: var(--primary); }
.hero-visual { position: relative; width: 300px; height: 300px; display: none; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: var(--text-muted); font-size: 22px; animation: pulse 2s infinite;
}
.hero-scroll:hover { color: var(--primary); }
@keyframes pulse {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
@media (min-width: 1080px) {
  .hero-visual { display: flex; justify-content: center; align-items: center; }
  .floating-circle {
    width: 220px; height: 220px; border-radius: 50%; border: 2px solid rgba(111,191,68,0.25);
    position: relative; animation: float 6s ease-in-out infinite;
  }
  .floating-circle::before {
    content: ''; position: absolute; inset: 30px; border-radius: 50%;
    background: rgba(111,191,68,0.08); border: 1px solid rgba(168,217,72,0.3);
  }
  .floating-ring {
    position: absolute; top: 30px; right: 20px; width: 80px; height: 80px; border-radius: 50%;
    border: 2px dashed var(--secondary); animation: spin 14s linear infinite;
  }
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Stats bar ===== */
.stats-bar { background: var(--bg-dark); border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 48px 0; }
.stat-item { text-align: center; }
.stat-num { font-size: 36px; font-weight: 800; color: var(--secondary); line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 32px 0; } }

/* ===== Agenda Timeline ===== */
.agenda-section { background: var(--bg-dark); padding: var(--spacer-lg) 0; }
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
  box-shadow: 0 0 8px rgba(111,191,68,0.4);
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -40px; top: 24px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-main); border: 2px solid var(--primary); box-shadow: 0 0 12px rgba(111,191,68,0.5);
  display: flex; align-items: center; justify-content: center;
}
.timeline-dot::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.timeline-card {
  background: var(--card-bg); border: 1px solid var(--border-green); border-radius: var(--radius-card);
  padding: 24px 28px; transition: all var(--transition);
}
.timeline-card:hover { border-color: rgba(111,191,68,0.5); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.timeline-time { display: inline-block; font-family: "SF Mono", "Consolas", monospace; font-size: 15px; font-weight: 700; color: var(--secondary); margin-bottom: 8px; letter-spacing: 0.04em; }
.timeline-card h3 { font-size: 20px; color: var(--text-title); font-weight: 700; margin-bottom: 8px; }
.timeline-card p { font-size: 15px; color: var(--text-muted); margin-bottom: 10px; }
.timeline-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.timeline-tags span { background: rgba(111,191,68,0.1); color: var(--secondary); font-size: 13px; padding: 3px 12px; border-radius: var(--radius-badge); }
@media (max-width: 768px) {
  .timeline { padding-left: 32px; }
  .timeline-dot { left: -32px; width: 24px; height: 24px; }
  .timeline-card { padding: 20px; }
}

/* ===== Highlights ===== */
.highlights-section { background: var(--bg-main); padding: var(--spacer-lg) 0; }
.highlights-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; }
.highlight-feature {
  background: var(--card-bg); border-radius: var(--radius-card); overflow: hidden;
  border: 1px solid var(--border-green); display: flex; flex-direction: column;
  transition: all var(--transition);
}
.highlight-feature:hover { border-color: rgba(111,191,68,0.5); box-shadow: var(--shadow-hover); }
.highlight-feature img { height: 260px; width: 100%; object-fit: cover; }
.highlight-feature .feature-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(111,191,68,0.15); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature-icon i { color: var(--primary); font-size: 22px; }
.highlight-feature h3 { font-size: 22px; color: var(--text-title); font-weight: 700; margin-bottom: 10px; }
.highlight-feature p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.highlight-cols { display: flex; flex-direction: column; gap: 32px; }
.highlight-card {
  background: var(--card-bg); border-radius: var(--radius-card); padding: 24px;
  border: 1px solid var(--border-green); display: flex; gap: 20px; align-items: center;
  transition: all var(--transition); flex: 1;
}
.highlight-card:hover { border-color: rgba(111,191,68,0.5); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.highlight-avatar { width: 84px; height: 84px; border-radius: 16px; overflow: hidden; flex-shrink: 0; }
.highlight-avatar img { width: 100%; height: 100%; object-fit: cover; }
.highlight-card h4 { font-size: 18px; color: var(--text-title); font-weight: 700; margin-bottom: 4px; }
.highlight-card .role { color: var(--secondary); font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.highlight-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
@media (max-width: 1024px) { .highlights-grid { grid-template-columns: 1fr; } }

/* ===== Tickets ===== */
.tickets-section { background: var(--bg-alt); padding: var(--spacer-lg) 0; }
.tickets-grid { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 32px; align-items: stretch; }
.ticket-card {
  background: var(--card-bg); border: 1px solid var(--border-green); border-radius: var(--radius-card);
  padding: 32px 28px; display: flex; flex-direction: column; position: relative;
  transition: all var(--transition);
}
.ticket-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.ticket-card.featured {
  border: 2px solid var(--primary); box-shadow: 0 8px 40px rgba(111,191,68,0.2);
  transform: scale(1.03); z-index: 2;
}
.ticket-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.ticket-ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #0B0F0A; font-size: 13px; font-weight: 700;
  padding: 4px 18px; border-radius: var(--radius-badge); white-space: nowrap;
}
.ticket-card .ticket-name { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.ticket-price { font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 6px; }
.ticket-price span { font-size: 18px; font-weight: 600; }
.ticket-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; }
.ticket-list { flex: 1; margin-bottom: 24px; }
.ticket-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--text-body); padding: 7px 0; }
.ticket-list li i { color: var(--primary); margin-top: 5px; }
@media (max-width: 1024px) { .tickets-grid { grid-template-columns: 1fr; gap: 24px; } .ticket-card.featured { transform: none; } .ticket-card.featured:hover { transform: translateY(-4px); } }

/* ===== Register CTA ===== */
.register-section {
  padding: var(--spacer-lg) 0; position: relative; overflow: hidden;
  background: linear-gradient(rgba(7, 10, 7, 0.92), rgba(7, 10, 7, 0.92)),
              url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.register-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.register-left h2 { font-size: clamp(24px, 3.2vw, 36px); color: var(--text-title); font-weight: 800; line-height: 1.4; margin-bottom: 16px; }
.register-left p { color: var(--text-muted); font-size: 16px; line-height: 1.8; margin-bottom: 28px; max-width: 460px; }
.register-highlights { display: flex; flex-direction: column; gap: 16px; }
.register-highlights li { display: flex; gap: 12px; align-items: center; color: var(--text-body); }
.register-highlights li i { color: var(--primary); }
.register-form {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-green); border-radius: var(--radius-card);
  padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; color: var(--text-title); font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-group input, .form-group select {
  width: 100%; padding: 13px 16px; background: rgba(0,0,0,0.3); border: 1px solid var(--border-green);
  border-radius: var(--radius-btn); color: var(--text-title); font-size: 15px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--primary); box-shadow: 0 0 8px rgba(111,191,68,0.3);
}
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236FBF44' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.form-tip { font-size: 13px; color: var(--text-muted); margin-top: 12px; text-align: center; }
@media (max-width: 1024px) { .register-inner { grid-template-columns: 1fr; gap: 32px; } }

/* ===== News ===== */
.news-section { background: var(--bg-main); padding: var(--spacer-lg) 0; }
.news-head-row { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: var(--spacer-md); }
.category-tabs { display: flex; gap: 12px; flex-wrap: wrap; }
.cat-tab {
  background: rgba(111,191,68,0.1); color: var(--secondary); font-size: 14px; font-weight: 600;
  padding: 8px 20px; border-radius: var(--radius-badge); border: 1px solid transparent;
  transition: all var(--transition);
}
.cat-tab:hover { background: rgba(111,191,68,0.2); border-color: var(--primary); color: var(--secondary); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--card-bg); border: 1px solid var(--border-green); border-radius: var(--radius-card);
  overflow: hidden; transition: all var(--transition);
}
.news-card:nth-child(2), .news-card:nth-child(4) { transform: translateY(16px); }
.news-card:hover { border-color: rgba(111,191,68,0.45); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-card:nth-child(2):hover, .news-card:nth-child(4):hover { transform: translateY(14px); }
.news-card-lnk { display: block; color: inherit; height: 100%; }
.news-card-lnk:hover { color: inherit; }
.news-card-img { position: relative; height: 180px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-ph-placeholder {
  width: 100%; height: 100%; background: linear-gradient(135deg, #0B0F0A, #1a2416);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.2);
  font-size: 18px; font-weight: 700; letter-spacing: 0.1em;
}
.news-card .badge { position: absolute; top: 14px; left: 14px; }
.news-card-content { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-card-content h3 { font-size: 18px; font-weight: 600; color: var(--text-title); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-content p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); border-top: 1px solid rgba(255,255,255,0.05); padding-top: 14px; }
.news-meta time { display: inline-flex; align-items: center; gap: 6px; }
.news-meta .read-more { color: var(--primary); font-weight: 500; }
.news-empty {
  grid-column: 1 / -1; background: var(--card-bg); border: 1px dashed var(--border-green);
  border-radius: var(--radius-card); padding: 60px 20px; text-align: center;
}
.empty-icon { font-size: 48px; margin-bottom: 16px; color: rgba(168,217,72,0.4); }
.news-empty p { color: var(--text-muted); font-size: 16px; }
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card:nth-child(odd) { transform: none; }
  .news-card:nth-child(odd):hover { transform: translateY(-2px); }
}
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } .news-card:nth-child(2), .news-card:nth-child(4) { transform: none; } }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-dark); padding: var(--spacer-lg) 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.06); transition: border-color var(--transition); }
.faq-item.active { border-left: 3px solid var(--primary); padding-left: 18px; }
.faq-question {
  display: flex; justify-content: space-between; align-items: center; min-height: 56px;
  padding: 16px 0; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-title);
  background: none; border: none; width: 100%; text-align: left;
}
.faq-question i { color: var(--primary); font-size: 16px; transition: transform 0.2s ease; }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 20px 0 0;
}
.faq-answer p { color: var(--text-muted); font-size: 15px; line-height: 1.8; padding-bottom: 20px; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); border-top: 1px solid transparent; border-image: linear-gradient(to right, transparent, var(--primary), transparent) 1; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding: 60px 0 48px; }
.footer-brand .footer-logo { font-size: 24px; font-weight: 800; color: var(--text-title); margin-bottom: 14px; }
.footer-brand .footer-logo i { color: var(--primary); }
.footer-brand p { font-size: 14px; color: #7C8576; line-height: 1.7; margin-bottom: 16px; max-width: 320px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 16px; transition: all var(--transition);
}
.social-links a:hover { background: rgba(111,191,68,0.15); border-color: var(--primary); color: var(--primary); }
.footer-col h4 { font-size: 16px; font-weight: 700; color: var(--text-title); margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #7C8576; font-size: 14px; }
.footer-col ul a:hover { color: var(--primary); }
.footer-col ul li.contact-item { display: flex; gap: 8px; align-items: center; color: #7C8576; font-size: 14px; }
.footer-col ul li.contact-item i { color: var(--primary); width: 16px; }
.qr-placeholder {
  width: 96px; height: 96px; background: #fff; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; color: #0B0F0A; font-size: 36px; margin-bottom: 10px;
}
.footer-col .qr-col p { font-size: 13px; color: #7C8576; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 20px 0; }
.footer-bottom p { font-size: 14px; color: #7C8576; text-align: center; }
.footer-bottom a { color: #7C8576; }
.footer-bottom a:hover { color: var(--primary); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 40px 0 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category1 */
:root {
  --green: #6FBF44;
  --green-light: #A8D948;
  --orange: #FF6B35;
  --bg-main: #0B0F0A;
  --bg-block: #0F1510;
  --bg-deep: #080B08;
  --card-bg: #111711;
  --glass-bg: rgba(255,255,255,0.04);
  --text-title: #F2F7EE;
  --text-body: #C9D2C2;
  --text-muted: #8A9582;
  --text-disabled: #5C6556;
  --border-green: rgba(111,191,68,0.2);
  --border-green-soft: rgba(111,191,68,0.35);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-badge: 999px;
  --shadow-card: 0 2px 12px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(111,191,68,0.18);
  --glow: 0 0 12px rgba(111,191,68,0.6);
  --glow-sm: 0 0 6px rgba(111,191,68,0.45);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-main);
  color: var(--text-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 9, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 9, 6, 0.98);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.55);
  border-bottom: 1px solid rgba(111,191,68,0.22);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--transition);
}

.logo i {
  color: var(--green);
  font-size: 22px;
  filter: drop-shadow(0 0 6px rgba(111,191,68,0.5));
}

.logo:hover {
  color: var(--green-light);
}

.nav-wrapper nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-links li a {
  display: block;
  padding: 8px 16px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  box-shadow: var(--glow-sm);
  transition: width var(--transition);
}

.nav-links li a:hover {
  color: var(--text-title);
  background: rgba(111,191,68,0.06);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 28px;
}

.nav-links li a.active {
  color: var(--green);
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #0B0F0A;
  box-shadow: 0 0 0 rgba(111,191,68,0);
}

.btn-primary:hover {
  background: #84D454;
  color: #0B0F0A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(111,191,68,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-outline:hover {
  background: rgba(111,191,68,0.12);
  border-color: var(--green-light);
  color: var(--green-light);
  box-shadow: 0 0 16px rgba(111,191,68,0.25);
}

.btn-light {
  background: var(--text-title);
  color: #0B0F0A;
}

.btn-light:hover {
  background: #ffffff;
  transform: translateY(-2px);
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-title);
  font-size: 22px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-btn);
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.06);
}

.nav-toggle:focus {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* Hero */
.page-hero {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  padding: 150px 0 80px;
  background: linear-gradient(105deg, rgba(6,10,6,0.95) 0%, rgba(10,16,10,0.75) 55%, rgba(10,16,10,0.4) 100%),
              url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid rgba(111,191,68,0.15);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--green), var(--green-light), var(--green), transparent);
  box-shadow: var(--glow);
  opacity: 0.6;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

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

.breadcrumb .current {
  color: var(--text-title);
  font-weight: 600;
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 18px;
}

.page-hero h1::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--green);
  border-radius: 3px;
  box-shadow: var(--glow);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.9;
  max-width: 600px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta i {
  color: var(--green);
  font-size: 15px;
}

/* Section common */
.section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(111,191,68,0.12);
  border: 1px solid var(--border-green);
  color: var(--green-light);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-badge);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.4;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 40px;
}

/* Guide Section (双栏) */
.guide-section {
  background: var(--bg-block);
}

.guide-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.checklist {
  list-style: none;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.checklist-item:hover {
  border-color: var(--border-green-soft);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.checklist-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(111,191,68,0.12);
  border-radius: 12px;
  color: var(--green);
  font-size: 18px;
}

.checklist-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 4px;
}

.checklist-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.guide-media {
  position: relative;
}

.guide-media .media-card {
  background: var(--card-bg);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.guide-media .media-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.media-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.media-body {
  padding: 28px;
}

.media-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 12px;
  line-height: 1.4;
}

.media-body p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.85;
}

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

.media-tags span {
  padding: 4px 12px;
  background: rgba(111,191,68,0.08);
  border: 1px solid rgba(111,191,68,0.2);
  color: var(--green-light);
  font-size: 13px;
  border-radius: var(--radius-badge);
}

/* Steps Section */
.steps-section {
  background: var(--bg-main);
}

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

.step-card {
  position: relative;
  padding: 36px 24px 30px;
  background: var(--card-bg);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-card);
  text-align: left;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.step-card:hover {
  border-color: var(--border-green-soft);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--green);
  color: #0B0F0A;
  font-size: 20px;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 18px;
  box-shadow: 0 0 16px rgba(111,191,68,0.4);
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-card::after {
  content: "";
  position: absolute;
  top: 40px;
  right: -16px;
  width: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: 0.4;
}

.step-card:last-child::after {
  display: none;
}

/* Scenes Section */
.scenes-section {
  background: var(--bg-block);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scene-card {
  background: var(--card-bg);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-card);
  padding: 32px 26px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.scene-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: 0.3;
  transition: opacity var(--transition);
}

.scene-card:hover {
  border-color: var(--border-green-soft);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

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

.scene-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(111,191,68,0.1);
  border-radius: 14px;
  color: var(--green);
  font-size: 24px;
  margin-bottom: 20px;
  transition: background var(--transition);
}

.scene-card:hover .scene-icon {
  background: rgba(111,191,68,0.2);
}

.scene-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.scene-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* FAQ Section */
.faq-section {
  background: var(--bg-main);
}

.faq-list {
  max-width: 840px;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: border-color var(--transition);
}

.faq-item.open {
  border-bottom-color: rgba(111,191,68,0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  min-height: 64px;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 16px 8px 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  transition: color var(--transition);
  position: relative;
}

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

.faq-question:focus {
  outline: none;
}

.faq-question:focus-visible {
  color: var(--green-light);
}

.faq-item.open .faq-question {
  color: var(--green);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(111,191,68,0.08);
  border: 1px solid var(--border-green);
  color: var(--green);
  font-size: 14px;
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: rgba(111,191,68,0.18);
}

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

.faq-answer-inner {
  padding: 0 48px 20px 0;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  max-height: 320px;
}

/* CTA Section */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(115deg, rgba(6,10,6,0.92), rgba(10,16,10,0.78)),
              url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top: 1px solid rgba(111,191,68,0.15);
  border-bottom: 1px solid rgba(111,191,68,0.15);
}

.cta-box {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  background: rgba(17,23,17,0.65);
  border: 1px solid var(--border-green);
  border-radius: 24px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cta-box h2 {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-box p {
  font-size: 16px;
  color: var(--text-body);
  margin-bottom: 28px;
  line-height: 1.75;
}

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

/* Footer */
.site-footer {
  background: var(--bg-deep);
  padding-top: 60px;
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), var(--green-light), var(--green), transparent);
  opacity: 0.4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 16px;
}

.footer-logo i {
  color: var(--green);
  font-size: 22px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 16px;
  transition: all var(--transition);
}

.social-links a:hover {
  color: var(--green);
  border-color: var(--border-green-soft);
  background: rgba(111,191,68,0.08);
  box-shadow: var(--glow-sm);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

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

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-col .contact-item {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

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

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: border-color var(--transition);
}

.qr-placeholder:hover {
  border-color: var(--border-green-soft);
}

.footer-col.qr-col p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 0;
}

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

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

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

/* Responsive */
@media (max-width: 1080px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .guide-layout {
    gap: 36px;
  }
}

@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: 72px;
    right: 0;
    width: 320px;
    height: calc(100vh - 72px);
    background: rgba(8, 11, 8, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 28px;
    gap: 12px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -8px 0 30px rgba(0,0,0,0.5);
    border-left: 1px solid rgba(111,191,68,0.25);
    overflow-y: auto;
  }
  .nav-links.open {
    transform: translateX(0);
  }
  .nav-links li a {
    font-size: 17px;
    padding: 12px 8px;
  }
  .nav-links li a::after {
    left: 8px;
    transform: none;
    bottom: 4px;
  }
  .nav-toggle {
    display: block;
  }
  .nav-cta .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-box {
    padding: 32px 24px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .page-hero {
    min-height: 400px;
    padding: 120px 0 60px;
  }
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step-card::after {
    display: none;
  }
  .scene-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero-actions .btn {
    flex: 1;
    justify-content: center;
  }
  .hero-meta {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .nav-wrapper {
    height: 64px;
  }
  .logo {
    font-size: 17px;
  }
  .logo i {
    font-size: 18px;
  }
  .nav-links {
    top: 64px;
    height: calc(100vh - 64px);
  }
  .page-hero {
    padding-top: 104px;
    min-height: 360px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-actions {
    flex-direction: column;
    gap: 12px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .btn {
    padding: 11px 22px;
  }
}

/* roulang page: article */
:root{
  --brand:#6FBF44;
  --brand-light:#84D454;
  --brand-dim:#A8D948;
  --accent:#FF6B35;
  --bg-0:#0B0F0A;
  --bg-1:#0F1510;
  --bg-2:#080B08;
  --card:#111711;
  --line:rgba(111,191,68,0.18);
  --text:#C9D2C2;
  --text-head:#F2F7EE;
  --text-sub:#8A9582;
  --text-dim:#5C6556;
  --radius:16px;
  --radius-btn:8px;
  --shadow-card:0 2px 12px rgba(0,0,0,0.35);
  --shadow-glow:0 12px 32px rgba(111,191,68,0.18);
  --neon:0 0 12px rgba(111,191,68,0.6);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  padding-top:72px;
  -webkit-font-smoothing:antialiased;
}
body,div,section,article,aside,header,footer,nav,main,figure,figcaption{margin:0;padding:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dim);}
img{max-width:100%;display:block;}
button{font-family:var(--font);}
.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* Header */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(10,14,9,0.92);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(111,191,68,0.5) 30%,rgba(111,191,68,0.7) 50%,rgba(111,191,68,0.5) 70%,transparent);
  opacity:.8;
}
.site-header.scrolled{
  background:rgba(8,11,8,0.97);
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--text-head);white-space:nowrap;
}
.logo i{color:var(--brand);font-size:22px;filter:drop-shadow(0 0 8px rgba(111,191,68,0.6));}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  color:var(--text-sub);
  font-size:15px;
  font-weight:500;
  padding-bottom:6px;
  white-space:nowrap;
}
.nav-links a::after{
  content:'';position:absolute;left:50%;bottom:0;width:0;height:2px;
  background:var(--brand);
  border-radius:999px;
  box-shadow:0 0 8px rgba(111,191,68,0.8);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--text-head);}
.nav-links a:hover::after{width:60%;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{width:28px;box-shadow:0 0 10px rgba(111,191,68,0.9);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;align-items:center;justify-content:center;
  background:rgba(111,191,68,0.1);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--brand);
  font-size:18px;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(111,191,68,0.2);border-color:var(--brand);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brand);color:#0B0F0A;}
.btn-primary:hover{background:var(--brand-light);color:#0B0F0A;transform:translateY(-2px);box-shadow:0 6px 20px rgba(111,191,68,0.3);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(111,191,68,0.12);border-color:var(--brand-light);color:var(--brand-light);box-shadow:0 0 16px rgba(111,191,68,0.2);transform:translateY(-2px);}
.btn-lg{padding:14px 32px;font-size:16px;}
.nav-cta .btn{padding:9px 20px;font-size:14px;}

/* Page Banner */
.page-banner{
  padding:40px 0 32px;
  background:linear-gradient(135deg,rgba(8,12,8,0.94) 0%,rgba(15,21,16,0.8) 60%,rgba(8,12,8,0.6) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  color:var(--text-sub);font-size:14px;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{
  color:#fff;
  max-width:340px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.banner-note{
  margin-top:14px;
  color:var(--text-sub);
  font-size:14px;
  letter-spacing:0.02em;
}
.banner-note i{color:var(--brand);margin-right:6px;}

/* Article Main */
.article-main{
  padding:56px 0 72px;
  background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg-0) 40%,var(--bg-1) 100%);
}
.article-single{
  max-width:880px;
  margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:48px 56px;
  box-shadow:var(--shadow-card);
}
.article-header{max-width:760px;margin:0 auto 28px;}
.article-cat{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(111,191,68,0.16);
  color:var(--brand);
  font-size:13px;font-weight:600;
  letter-spacing:0.02em;
}
.article-header h1{
  font-size:clamp(28px,4vw,40px);
  line-height:1.3;
  color:var(--text-head);
  font-weight:800;
  margin:14px 0 16px;
  letter-spacing:0.01em;
}
.article-header h1::after{
  content:'';
  display:block;
  width:48px;height:4px;
  border-radius:999px;
  background:var(--brand);
  box-shadow:0 0 14px rgba(111,191,68,0.6);
  margin-top:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  color:var(--text-sub);
  font-size:14px;
}
.article-meta i{color:var(--brand);margin-right:6px;}
.article-content{
  max-width:760px;
  margin:36px auto 0;
  color:var(--text);
  font-size:16px;
  line-height:1.95;
  letter-spacing:0.005em;
}
.article-content p{margin:0 0 22px;}
.article-content h2{
  font-size:26px;line-height:1.4;color:var(--text-head);
  font-weight:800;margin:48px 0 16px;
  letter-spacing:0.01em;
}
.article-content h3{
  font-size:20px;line-height:1.4;color:var(--text-head);
  font-weight:700;margin:36px 0 12px;
}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(111,191,68,0.4);}
.article-content a:hover{color:var(--brand-dim);border-bottom-color:var(--brand-dim);}
.article-content ul,.article-content ol{
  padding-left:24px;
  margin:22px 0;
  display:grid;
  gap:10px;
}
.article-content ul li{position:relative;padding-left:4px;}
.article-content ul li::marker{color:var(--brand);}
.article-content ol li::marker{color:var(--brand);font-weight:600;}
.article-content blockquote{
  border-left:3px solid var(--brand);
  background:rgba(111,191,68,0.08);
  padding:16px 22px;
  border-radius:0 12px 12px 0;
  margin:26px 0;
  color:var(--text);
}
.article-content blockquote p{margin-bottom:0;}
.article-content img{
  max-width:100%;
  height:auto;
  border-radius:14px;
  margin:28px 0;
  border:1px solid var(--line);
}
.article-content figure{margin:28px 0;}
.article-content figure img{margin-bottom:10px;}
.article-content figcaption{
  font-size:13px;
  color:var(--text-sub);
  text-align:center;
  margin-top:-14px;
  margin-bottom:22px;
}
.article-content pre{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px;
  overflow-x:auto;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
  color:var(--text-head);
}
.article-content code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;}
.article-content :not(pre)>code{
  background:rgba(111,191,68,0.1);
  color:var(--brand-dim);
  padding:2px 6px;
  border-radius:6px;
  font-size:0.9em;
}
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:760px;margin:36px auto 0;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.06);
}
.article-tags .tag-label{color:var(--text-sub);font-size:14px;}
.article-tags .tag{
  display:inline-block;
  padding:5px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--brand);
  font-size:13px;
  transition:background .2s ease,border-color .2s ease;
}
.article-tags .tag:hover{background:rgba(111,191,68,0.1);border-color:var(--brand);color:var(--brand-light);}

/* Post Nav */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  max-width:760px;
  margin:36px auto 0;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.post-nav-item{
  background:rgba(255,255,255,0.02);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 20px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.post-nav-item:hover{background:rgba(111,191,68,0.06);border-color:rgba(111,191,68,0.35);transform:translateY(-2px);}
.post-nav-item .label{
  display:block;
  font-size:12px;font-weight:600;
  color:var(--text-dim);
  letter-spacing:0.06em;
  margin-bottom:6px;
}
.post-nav-item a{color:var(--brand);font-size:15px;font-weight:600;line-height:1.5;word-break:break-all;}
.post-nav-item a:hover{color:var(--brand-light);}
.nav-placeholder{color:var(--text-sub);font-size:15px;}
.post-nav-item.next{text-align:right;}

/* Missing Article */
.article-missing{
  text-align:center;
  padding:90px 20px;
}
.article-missing i{
  font-size:64px;
  color:var(--text-sub);
  margin-bottom:20px;
  display:inline-block;
}
.article-missing h1{
  font-size:clamp(26px,4vw,36px);
  color:var(--text-head);
  font-weight:800;
  margin-bottom:12px;
}
.article-missing p{
  color:var(--text-sub);
  max-width:420px;
  margin:0 auto 28px;
}

/* Related */
.related-section{padding:72px 0;background:var(--bg-0);}
.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 44px;
}
.section-head .eyebrow{
  display:inline-block;
  color:var(--brand);
  font-size:13px;font-weight:600;
  letter-spacing:0.08em;
  margin-bottom:8px;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  color:var(--text-head);
  font-weight:800;
  line-height:1.4;
  margin-bottom:10px;
}
.section-head p{
  color:var(--text-sub);
  font-size:15px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-grid .related-card:nth-child(2){transform:translateY(16px);}
.related-grid .related-card:nth-child(4){transform:translateY(16px);}
.related-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-glow);
  border-color:rgba(111,191,68,0.4);
}
.related-grid .related-card:nth-child(2):hover{transform:translateY(10px);}
.related-grid .related-card:nth-child(4):hover{transform:translateY(10px);}
.related-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.related-thumb::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(8,11,8,0.5));
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-body{padding:20px 22px 22px;}
.card-badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand);
  color:#0B0F0A;
  font-size:12px;font-weight:700;
  margin-bottom:10px;
}
.related-body h3{
  font-size:17px;
  font-weight:700;
  color:var(--text-head);
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-body p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.related-meta{
  display:flex;
  justify-content:space-between;
  color:var(--text-dim);
  font-size:13px;
}
.related-meta .read-more{color:var(--brand);font-weight:600;}
.empty-state{
  text-align:center;
  padding:48px 20px;
  color:var(--text-sub);
  font-size:15px;
  border:1px dashed var(--line);
  border-radius:16px;
  background:rgba(255,255,255,0.02);
}

/* Service Strip */
.service-strip{
  padding:72px 0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.service-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.service-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 24px;
  text-align:center;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.service-card:hover{
  transform:translateY(-4px);
  border-color:rgba(111,191,68,0.4);
  box-shadow:var(--shadow-glow);
}
.service-card .service-icon{
  width:54px;height:54px;
  border-radius:14px;
  background:rgba(111,191,68,0.12);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
  color:var(--brand);
  font-size:22px;
  box-shadow:inset 0 0 16px rgba(111,191,68,0.08);
}
.service-card h3{
  color:var(--text-head);
  font-size:17px;
  font-weight:700;
  margin-bottom:8px;
}
.service-card p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
  margin-bottom:0;
}

/* CTA */
.cta-section{
  background:linear-gradient(120deg,rgba(8,12,8,0.94) 0%,rgba(15,21,16,0.78) 70%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:68px 0;
}
.cta-copy h2{
  color:var(--text-head);
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-copy h2 span{color:var(--brand);}
.cta-copy p{
  color:var(--text-sub);
  font-size:15px;
  max-width:560px;
  margin-bottom:0;
}
.cta-action{display:flex;gap:16px;flex-wrap:wrap;}

/* FAQ */
.faq-section{padding:72px 0;background:var(--bg-0);}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .25s ease;
  position:relative;
}
.faq-item.active{
  background:linear-gradient(90deg,rgba(111,191,68,0.08),transparent 70%);
  border-left:3px solid var(--brand);
}
.faq-question{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  background:transparent;
  border:none;
  color:var(--text-head);
  font-size:17px;
  font-weight:600;
  text-align:left;
  padding:20px 16px;
  min-height:56px;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-question:hover{color:var(--brand-dim);}
.faq-question i{
  color:var(--brand);
  font-size:15px;
  flex-shrink:0;
  transition:transform .3s ease;
}
.faq-item.active .faq-question i{transform:rotate(180deg);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.85;
}
.faq-item.active .faq-answer{
  max-height:320px;
  padding:0 16px 20px;
}

/* Footer */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid rgba(111,191,68,0.15);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:60px 0 40px;
}
.footer-logo{
  font-size:22px;
  font-weight:800;
  color:var(--text-head);
  margin-bottom:14px;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.footer-logo i{color:var(--brand);}
.footer-brand p{
  color:#7C8576;
  line-height:1.8;
  font-size:14px;
  max-width:300px;
  margin-bottom:20px;
}
.social-links{display:flex;gap:12px;}
.social-links a{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.social-links a:hover{
  color:var(--brand);
  border-color:var(--brand);
  transform:translateY(-2px);
  box-shadow:0 0 12px rgba(111,191,68,0.25);
}
.footer-col h4{
  color:var(--text-head);
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#7C8576;font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.contact-item{
  color:#7C8576;
  font-size:14px;
  display:flex;gap:10px;align-items:center;
}
.contact-item i{color:var(--brand);width:16px;text-align:center;}
.qr-placeholder{
  width:110px;height:110px;
  border:1px dashed var(--line);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  font-size:34px;
  margin-bottom:12px;
  background:rgba(255,255,255,0.02);
}
.qr-col p{color:#7C8576;font-size:13px;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.05);
  padding:18px 0;
  text-align:center;
}
.footer-bottom p{color:var(--text-dim);font-size:13px;margin:0;}
.footer-bottom a{color:#7C8576;}
.footer-bottom a:hover{color:var(--brand);}

/* Responsive */
@media(max-width:1080px){
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .related-grid .related-card:nth-child(2){transform:none;}
  .related-grid .related-card:nth-child(4){transform:none;}
  .related-grid .related-card:nth-child(2):hover{transform:translateY(-6px);}
  .related-grid .related-card:nth-child(4):hover{transform:translateY(-6px);}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:1024px){
  .nav-links{
    display:none;
    position:fixed;
    top:72px;left:0;right:0;
    background:rgba(10,14,9,0.98);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:20px 24px 28px;
    border-bottom:1px solid var(--line);
    box-shadow:0 16px 32px rgba(0,0,0,0.45);
  }
  .nav-links.open{display:flex;}
  .nav-links a::after{display:none;}
  .nav-links a.active{
    padding-left:14px;
    border-left:3px solid var(--brand);
    color:var(--brand);
  }
  .nav-links a:hover{padding-left:14px;border-left:3px solid var(--brand-dim);}
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:10px 0;font-size:17px;}
  .nav-links a.active,.nav-links a:hover{background:rgba(111,191,68,0.06);border-radius:8px;}
  .nav-toggle{display:inline-flex;}
}
@media(max-width:768px){
  body{padding-top:64px;}
  .nav-wrapper{height:64px;}
  .nav-links{top:64px;}
  .logo{font-size:18px;}
  .page-banner{padding:32px 0 26px;}
  .article-main{padding:40px 0 56px;}
  .article-single{padding:32px 24px;border-radius:16px;}
  .article-meta{gap:12px;}
  .article-content{font-size:15px;line-height:1.9;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid .related-card:hover{transform:translateY(-6px);}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start;}
  .cta-action{width:100%;}
  .cta-action .btn{flex:1;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .faq-question{font-size:16px;padding:18px 14px;}
  .faq-item.active .faq-answer{padding-left:14px;padding-right:14px;}
  .service-grid{grid-template-columns:1fr;}
  .banner-note{font-size:13px;}
}
@media(max-width:480px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-cta .btn-primary{display:none;}
  .article-single{padding:24px 18px;}
  .article-header h1{font-size:26px;}
  .article-content h2{font-size:22px;}
  .article-content h3{font-size:18px;}
  .related-body{padding:16px 18px 20px;}
  .service-card{padding:24px 18px;}
  .cta-action .btn{width:100%;}
  .section-head{margin-bottom:32px;}
  .related-section,.service-strip,.faq-section{padding:56px 0;}
  .footer-grid{padding:40px 0 24px;}
  .cta-copy h2{font-size:22px;}
}

/* roulang page: category2 */
:root {
            --primary: #6FBF44;
            --primary-bright: #84D454;
            --secondary: #A8D948;
            --accent: #FF6B35;
            --bg-main: #0B0F0A;
            --bg-alt: #0F1510;
            --bg-deep: #080B08;
            --card-bg: #111711;
            --text-title: #F2F7EE;
            --text-body: #C9D2C2;
            --text-muted: #8A9582;
            --text-disabled: #5C6556;
            --border-color: rgba(111, 191, 68, 0.2);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(111, 191, 68, 0.18);
            --glow: 0 0 12px rgba(111, 191, 68, 0.6);
            --spacing-section: 80px;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            background: var(--bg-main);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ==== Header ==== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 9, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, transparent, rgba(111, 191, 68, 0.7), transparent) 1;
            height: 72px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(8, 11, 7, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title) !important;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            color: var(--primary);
            font-size: 24px;
            filter: drop-shadow(0 0 8px rgba(111, 191, 68, 0.5));
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(111, 191, 68, 0.7);
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 28px;
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            width: 28px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #0B0F0A;
        }

        .btn-primary:hover {
            background: var(--primary-bright);
            color: #0B0F0A;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(111, 191, 68, 0.35);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(111, 191, 68, 0.12);
            border-color: var(--primary-bright);
            color: var(--primary-bright);
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(111, 191, 68, 0.4);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 22px;
            color: var(--text-title);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ==== Mobile drawer ==== */
        .mobile-drawer {
            position: fixed;
            top: 72px;
            right: 0;
            bottom: 0;
            width: 280px;
            background: #0A0E09;
            z-index: 999;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            border-left: 1px solid rgba(111, 191, 68, 0.3);
            padding: 30px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer a {
            color: var(--text-body);
            font-size: 18px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color 0.2s;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--primary);
        }

        .mobile-drawer .btn {
            margin-top: 16px;
        }

        /* ==== Category Hero ==== */
        .category-hero {
            position: relative;
            padding: 150px 0 80px;
            background: linear-gradient(135deg, rgba(6, 10, 6, 0.95), rgba(10, 16, 10, 0.7)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(111, 191, 68, 0.15);
        }

        .category-hero .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .category-hero .breadcrumb a {
            color: var(--text-muted);
        }

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

        .category-hero .breadcrumb span {
            color: #fff;
        }

        .category-hero .breadcrumb i {
            margin: 0 8px;
            font-size: 12px;
            opacity: 0.5;
        }

        .category-hero h1 {
            font-size: clamp(32px, 5vw, 50px);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .category-hero h1 span {
            color: var(--primary);
            text-shadow: 0 0 20px rgba(111, 191, 68, 0.4);
        }

        .category-hero .hero-desc {
            max-width: 620px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 30px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .tag {
            background: rgba(111, 191, 68, 0.12);
            border: 1px solid rgba(111, 191, 68, 0.35);
            color: var(--secondary);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        /* ==== Feature Focus ==== */
        .feature-focus {
            padding: var(--spacing-section) 0;
            background: var(--bg-alt);
        }

        .feature-focus .container {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-media img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .feature-media::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(transparent, rgba(8, 11, 7, 0.7));
        }

        .feature-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 20px;
        }

        .feature-content h2 i {
            color: var(--primary);
            margin-right: 6px;
        }

        .feature-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 18px;
        }

        .feature-content .feature-points {
            list-style: none;
            margin-top: 20px;
        }

        .feature-content .feature-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .feature-content .feature-points li i {
            color: var(--primary);
            margin-top: 4px;
        }

        /* ==== Split Info ==== */
        .split-info {
            padding: var(--spacing-section) 0;
            background: var(--bg-main);
        }

        .split-info .section-head {
            text-align: center;
            margin-bottom: 55px;
        }

        .split-info .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .split-info .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

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

        .info-panel {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .info-panel:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .info-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-panel h3 i {
            color: var(--primary);
            font-size: 22px;
        }

        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .info-list li .icon-box {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(111, 191, 68, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
        }

        .info-list li .text-wrap h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 4px;
        }

        .info-list li .text-wrap p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ==== Experience Grid ==== */
        .experience-grid {
            padding: var(--spacing-section) 0;
            background: var(--bg-deep);
        }

        .experience-grid .section-head {
            text-align: center;
            margin-bottom: 50px;
        }

        .experience-grid .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .experience-grid .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

        .exp-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .exp-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .exp-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(111, 191, 68, 0.45);
        }

        .exp-card .exp-media {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

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

        .exp-card:hover .exp-media img {
            transform: scale(1.04);
        }

        .exp-card .exp-media .exp-level {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #0B0F0A;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .exp-card .exp-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .exp-card .exp-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .exp-card .exp-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            flex: 1;
        }

        .exp-card .exp-meta {
            margin-top: 16px;
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        /* ==== Flow Steps ==== */
        .flow-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-alt);
        }

        .flow-section .section-head {
            text-align: center;
            margin-bottom: 55px;
        }

        .flow-section .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .flow-section .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .flow-step {
            position: relative;
            text-align: center;
            padding: 36px 20px 30px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .flow-step .step-num {
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #0B0F0A;
            font-size: 14px;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(111, 191, 68, 0.5);
        }

        .flow-step .step-icon {
            font-size: 34px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .flow-step::before {
            content: '';
            position: absolute;
            top: 50%;
            right: -15px;
            width: 30px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.4;
        }

        .flow-step:last-child::before {
            display: none;
        }

        /* ==== CTA ==== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(rgba(8, 11, 7, 0.9), rgba(8, 11, 7, 0.8)), url('/assets/images/backpic/back-3.png') center/cover fixed no-repeat;
            border-top: 1px solid rgba(111, 191, 68, 0.2);
            border-bottom: 1px solid rgba(111, 191, 68, 0.2);
        }

        .cta-section .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 50px;
        }

        .cta-content h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-body);
            max-width: 480px;
            line-height: 1.8;
        }

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

        /* ==== FAQ ==== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-main);
        }

        .faq-section .section-head {
            text-align: center;
            margin-bottom: 50px;
        }

        .faq-section .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .faq-section .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-left: 3px solid var(--primary);
            border-bottom-color: rgba(111, 191, 68, 0.3);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            cursor: pointer;
            text-align: left;
            transition: color 0.2s;
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1px solid rgba(111, 191, 68, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            transition: transform 0.3s ease, background 0.3s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #0B0F0A;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 16px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ==== Footer ==== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(111, 191, 68, 0.2);
            padding-top: 60px;
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-title);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: #7C8576;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #7C8576;
            font-size: 16px;
            transition: all 0.2s ease;
        }

        .social-links a:hover {
            background: rgba(111, 191, 68, 0.2);
            color: var(--primary);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 18px;
        }

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

        .footer-col a {
            color: #7C8576;
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .contact-item {
            font-size: 14px;
            color: #7C8576;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .contact-item i {
            color: var(--primary);
            font-size: 13px;
        }

        .qr-col .qr-placeholder {
            width: 96px;
            height: 96px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(111, 191, 68, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: #7C8576;
            margin-bottom: 12px;
        }

        .qr-col p {
            font-size: 13px;
            color: #7C8576;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #7C8576;
        }

        .footer-bottom a {
            color: #7C8576;
        }

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

        /* ==== Responsive ==== */
        @media (max-width: 1080px) {
            .nav-links {
                gap: 20px;
            }
            .feature-focus .container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .feature-media img {
                height: 320px;
            }
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta .btn:not(.nav-toggle) {
                display: none;
            }
            .split-grid {
                grid-template-columns: 1fr;
            }
            .exp-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-step::before {
                display: none;
            }
            .cta-section .container {
                flex-direction: column;
                text-align: center;
            }
            .cta-content p {
                margin: 0 auto;
            }
            .cta-btns {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            --spacing-section: 56px;
            .category-hero {
                padding: 120px 0 60px;
            }
            .exp-cards {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-tags {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .btn {
                width: 100%;
            }
            .nav-cta .btn {
                width: auto;
                padding: 10px 20px;
            }
            .feature-media img {
                height: 220px;
            }
            .info-panel {
                padding: 24px;
            }
            .split-grid {
                gap: 20px;
            }
            .exp-card .exp-media {
                height: 180px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .faq-question {
                font-size: 15px;
                padding: 18px 10px;
            }
            .flow-step {
                padding: 26px 16px;
            }
        }