/* roulang page: index */
:root{
  --bg-ink:#0B0C0A;
  --primary:#D7FF3A;
  --primary-hover:#C9F52E;
  --text-primary:#F5F6F0;
  --text-secondary:#A8AC9F;
  --border-dim:rgba(255,255,255,0.08);
  --border-bright:rgba(255,255,255,0.16);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:999px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  --transition-fast:150ms ease;
  --transition-slow:250ms ease;
  --shadow-card:0 1px 0 rgba(255,255,255,0.04);
  --shadow-hover:0 8px 32px rgba(0,0,0,0.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg-ink);
  color:var(--text-primary);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--primary-hover)}
ul,ol{list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:var(--primary);color:var(--bg-ink)}
.grid-container{max-width:1280px;margin:0 auto;padding:0 32px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--primary);color:var(--bg-ink);
  padding:12px 24px;z-index:10000;font-weight:700;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,12,10,0.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border-dim);
  height:72px;
  display:flex;align-items:center;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  max-width:1280px;margin:0 auto;padding:0 32px;width:100%;
}
.logo{font-size:1.375rem;font-weight:800;letter-spacing:-0.02em;color:var(--text-primary);flex-shrink:0}
.logo .logo-accent{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{
  padding:8px 18px;font-size:0.9375rem;font-weight:600;color:var(--text-secondary);
  border-radius:var(--radius-btn);position:relative;transition:color var(--transition-fast);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%) scaleX(0);
  width:calc(100% - 36px);height:2px;background:var(--primary);transition:transform var(--transition-fast);
}
.nav-link:hover{color:var(--text-primary)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.mega-trigger{
  background:none;border:1px solid var(--border-dim);color:var(--text-secondary);
  padding:8px 20px;border-radius:var(--radius-btn);font-size:0.9375rem;font-weight:600;
  cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:8px;
}
.mega-trigger:hover,.mega-trigger:focus{color:var(--primary);border-color:var(--primary)}
.mega-trigger svg{width:14px;height:14px;transition:transform var(--transition-fast)}
.mega-trigger:hover svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 8px);right:32px;width:540px;
  background:#141610;border:1px solid var(--border-dim);border-radius:16px;
  padding:28px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all var(--transition-slow);z-index:1200;box-shadow:0 16px 48px rgba(0,0,0,0.5);
}
.header-nav-wrap{position:relative}
.header-nav-wrap:hover .mega-panel,
.header-nav-wrap:focus-within .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
  transition-delay:80ms;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-col-title{font-size:0.8125rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:14px;font-weight:700}
.mega-cat-list li{margin-bottom:10px}
.mega-cat-list a{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:0.9375rem;transition:all var(--transition-fast)}
.mega-cat-list a:hover{color:var(--primary);padding-left:4px}
.mega-cat-list li::before{content:"▸";color:var(--primary);font-size:0.875rem}
.mega-card-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-dim)}
.mega-card-item:last-child{border-bottom:none;padding-bottom:0}
.mega-card-thumb{width:64px;height:64px;border-radius:8px;object-fit:cover;flex-shrink:0}
.mega-card-meta{flex:1;min-width:0}
.mega-card-meta h4{font-size:0.875rem;font-weight:600;color:var(--text-primary);line-height:1.4;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-card-meta span{font-size:0.75rem;color:var(--text-secondary)}
.mega-foot-link{
  margin-top:20px;background:linear-gradient(100deg, rgba(11,12,10,0.75) 0%, rgba(11,12,10,0.25) 100%);
  background-size:cover;background-position:center;padding:14px 18px;border-radius:12px;border:1px solid var(--border-dim);
  display:flex;justify-content:space-between;align-items:center;color:var(--text-primary);font-weight:600;font-size:0.875rem;
  transition:border-color var(--transition-fast);
}
.mega-foot-link:hover{border-color:var(--primary);color:var(--text-primary)}

.hero{
  position:relative;min-height:640px;height:72vh;
  display:flex;align-items:flex-end;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;background-image:linear-gradient(to top right, rgba(11,12,10,0.92) 0%, rgba(11,12,10,0.55) 45%, rgba(11,12,10,0.15) 100%), url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-content{position:relative;z-index:2;width:100%;padding:80px 0 64px;max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(11,12,10,0.6);
  border:1px solid var(--border-bright);border-radius:var(--radius-badge);
  padding:6px 18px;font-size:0.8125rem;font-weight:600;color:var(--text-secondary);
  margin-bottom:24px;letter-spacing:0.04em;
}
.hero-badge::before{content:"";width:6px;height:6px;background:var(--primary);border-radius:50%;animation:pulse-dot 2s infinite}
.hero h1{
  font-size:clamp(40px,7vw,64px);font-weight:800;line-height:1.15;letter-spacing:-0.02em;
  margin-bottom:16px;max-width:720px;
}
.hero-sub{
  font-size:1.25rem;color:var(--text-secondary);max-width:560px;line-height:1.6;margin-bottom:40px;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;height:48px;
  padding:0 32px;border-radius:var(--radius-btn);font-size:1rem;font-weight:700;
  cursor:pointer;transition:all var(--transition-slow);border:none;
}
.btn-primary{background:var(--primary);color:var(--bg-ink)}
.btn-primary:hover{background:var(--primary-hover);color:var(--bg-ink);transform:translateY(-2px);box-shadow:0 8px 24px rgba(215,255,58,0.2)}
.btn-primary:active{transform:translateY(0)}
.btn-primary svg,.btn-secondary svg{width:18px;height:18px;margin-right:8px}
.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid rgba(255,255,255,0.4)}
.btn-secondary:hover{background:rgba(255,255,255,0.08);border-color:var(--text-primary);color:var(--text-primary);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.hero-stats{
  display:flex;gap:48px;margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.15);
}
.stat-item .stat-num{
  font-size:1.75rem;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.stat-item .stat-label{font-size:0.8125rem;color:var(--text-secondary);margin-top:2px}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.4}}

.section{position:relative;padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-kicker{
  font-size:0.8125rem;font-weight:700;letter-spacing:0.10em;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3.6vw,36px);font-weight:700;letter-spacing:-0.02em;line-height:1.2}
.section-desc{color:var(--text-secondary);font-size:1rem;max-width:480px;margin-top:12px;line-height:1.6}

.video-strip{display:flex;gap:16px;overflow-x:auto;padding:8px 2px 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.video-strip::-webkit-scrollbar{display:none}
.video-card{
  flex:0 0 200px;aspect-ratio:9/16;border-radius:var(--radius-card);overflow:hidden;
  position:relative;scroll-snap-align:start;border:1px solid var(--border-dim);
  transition:transform var(--transition-slow),box-shadow var(--transition-slow),border-color var(--transition-slow);
  cursor:pointer;background:var(--bg-ink);
}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-bright)}
.video-card img{width:100%;height:100%;object-fit:cover;filter:brightness(0.85)}
.video-card .duration-badge{
  position:absolute;top:12px;right:12px;background:rgba(0,0,0,0.8);color:var(--text-primary);
  border-radius:6px;padding:3px 8px;font-size:0.75rem;font-weight:600;font-variant-numeric:tabular-nums;
}
.video-card .video-info{
  position:absolute;bottom:0;left:0;right:0;padding:48px 12px 12px;
  background:linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}
.video-card .video-title{font-size:0.875rem;font-weight:600;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.video-card .video-stats{font-size:0.75rem;color:var(--primary);font-variant-numeric:tabular-nums}
.video-card .play-icon{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.8);opacity:0;
  width:56px;height:56px;border-radius:50%;background:rgba(11,12,10,0.6);border:1px solid rgba(255,255,255,0.3);
  display:flex;align-items:center;justify-content:center;transition:all var(--transition-slow);
}
.video-card:hover .play-icon,.video-card:focus .play-icon{opacity:1;transform:translate(-50%,-50%) scale(1)}
.play-icon svg{width:24px;height:24px;fill:var(--text-primary)}

.checklist-section{background:linear-gradient(180deg, rgba(20,22,16,0.3) 0%, transparent 100%)}
.checklist{display:flex;flex-direction:column;gap:0}
.checklist-item{
  display:grid;grid-template-columns:72px 100px 1fr 140px;align-items:center;gap:24px;
  padding:28px 8px;border-bottom:1px solid var(--border-dim);transition:background var(--transition-fast);
  border-radius:12px;
}
.checklist-item:last-child{border-bottom:none}
.checklist-item:hover{background:rgba(255,255,255,0.03)}
.checklist-num{
  font-size:2rem;font-weight:800;color:transparent;-webkit-text-stroke:1px var(--primary);
  font-variant-numeric:tabular-nums;
}
.checklist-img{width:100px;height:100px;border-radius:12px;object-fit:cover;overflow:hidden}
.checklist-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
.checklist-item:hover .checklist-img img{transform:scale(1.05)}
.checklist-body h3{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.checklist-body p{font-size:0.9375rem;color:var(--text-secondary);line-height:1.6;margin:0}
.checklist-cta{justify-self:end}
.btn-go{
  display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:var(--radius-btn);
  border:1px solid var(--border-dim);color:var(--text-primary);font-weight:600;font-size:0.9375rem;
  transition:all var(--transition-fast);
}
.btn-go:hover{border-color:var(--primary);color:var(--primary);background:rgba(215,255,58,0.06)}
.btn-go svg{width:14px;height:14px;transition:transform var(--transition-fast)}
.btn-go:hover svg{transform:translateX(3px)}

.review-section{background:var(--bg-ink)}
.review-strip{display:flex;gap:20px;overflow-x:auto;padding:8px 2px 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.review-strip::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 280px;background:rgba(255,255,255,0.03);border:1px solid var(--border-dim);
  border-radius:var(--radius-card);padding:24px;scroll-snap-align:start;position:relative;
  transition:border-color var(--transition-fast),box-shadow var(--transition-slow);
}
.review-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow-hover)}
.review-card::before{
  content:"\201C";position:absolute;top:12px;right:20px;font-size:4rem;color:rgba(215,255,58,0.12);
  font-family:Georgia,serif;line-height:1;
}
.reviewer{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.reviewer-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--primary);color:var(--bg-ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.9375rem;flex-shrink:0;
}
.reviewer-name{font-size:0.9375rem;font-weight:600;color:var(--text-primary)}
.reviewer-meta{font-size:0.75rem;color:var(--text-secondary)}
.stars{color:var(--primary);font-size:0.8125rem;letter-spacing:2px;margin-bottom:10px}
.review-text{font-size:0.9375rem;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-text strong{color:var(--text-primary);font-weight:600}

.news-section{position:relative}
.news-list{
  border-top:1px solid var(--border-dim);
}
.news-item{
  display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;
  padding:24px 12px;border-bottom:1px solid var(--border-dim);position:relative;
  transition:background var(--transition-fast);
}
.news-item::before{
  content:"";position:absolute;left:-12px;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:center;transition:transform var(--transition-fast);
}
.news-item:hover{background:rgba(255,255,255,0.02)}
.news-item:hover::before{transform:scaleY(1)}
.news-tag{
  font-size:0.8125rem;font-weight:700;background:rgba(215,255,58,0.12);color:var(--primary);
  padding:4px 14px;border-radius:var(--radius-badge);justify-self:start;display:inline-block;
}
.news-title{
  font-size:1rem;font-weight:600;color:var(--text-primary);line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast);
}
.news-item:hover .news-title{color:var(--primary)}
.news-summary{font-size:0.875rem;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-date{
  font-size:0.8125rem;color:var(--text-secondary);font-variant-numeric:tabular-nums;
  justify-self:end;white-space:nowrap;align-self:start;padding-top:6px;
}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:72px 24px;
  color:var(--text-secondary);
}
.empty-icon{
  width:64px;height:64px;border:1px solid var(--border-dim);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:var(--text-secondary);
  margin-bottom:20px;opacity:0.7;
}
.news-empty p{font-size:0.9375rem}

.cta-section{position:relative;overflow:hidden}
.cta-bg{
  position:absolute;inset:0;
  background:linear-gradient(to right, rgba(11,12,10,0.92) 0%, rgba(11,12,10,0.6) 100%),
  url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
}
.cta-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 400px;gap:64px;align-items:center}
.cta-heading{font-size:clamp(24px,3.6vw,40px);font-weight:800;letter-spacing:-0.02em;line-height:1.2;margin-bottom:16px}
.cta-desc{color:var(--text-secondary);font-size:1.0625rem;line-height:1.7;margin-bottom:32px;max-width:480px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-input{
  flex:1;min-width:220px;height:48px;background:rgba(255,255,255,0.04);
  border:1px solid var(--border-dim);border-bottom-color:rgba(255,255,255,0.2);
  border-radius:var(--radius-btn);padding:0 16px;color:var(--text-primary);
  font-size:0.9375rem;transition:border-color var(--transition-fast);
}
.cta-input::placeholder{color:#8A8F82}
.cta-input:focus{outline:none;border-color:var(--primary);border-bottom-color:var(--primary)}
.cta-quick-actions{display:flex;flex-direction:column;gap:16px}
.cta-action-card{
  background:rgba(11,12,10,0.6);border:1px solid var(--border-dim);border-radius:var(--radius-card);
  padding:20px;display:flex;gap:16px;align-items:center;transition:all var(--transition-fast);
}
.cta-action-card:hover{border-color:var(--primary);transform:translateX(4px)}
.cta-action-icon{
  width:48px;height:48px;border-radius:12px;background:rgba(215,255,58,0.1);border:1px solid rgba(215,255,58,0.3);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.cta-action-icon svg{width:22px;height:22px;fill:var(--primary)}
.cta-action-text h3{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}
.cta-action-text p{font-size:0.8125rem;color:var(--text-secondary);margin:0}

.faq-section{background:linear-gradient(0deg, rgba(20,22,16,0.3) 0%, transparent 100%)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--border-dim);transition:background var(--transition-fast);
}
.faq-item:first-child{border-top:1px solid var(--border-dim)}
.faq-item.open{background:rgba(255,255,255,0.025)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-q{
  width:100%;background:none;border:none;display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:24px 24px;cursor:pointer;text-align:left;
  font-size:1.0625rem;font-weight:700;color:var(--text-primary);
  transition:color var(--transition-fast);
}
.faq-q:hover{color:var(--primary)}
.faq-q::after{
  content:"+";font-size:1.5rem;font-weight:400;color:var(--primary);flex-shrink:0;
  transition:transform var(--transition-slow);line-height:1;
}
.faq-item.open .faq-q{color:var(--primary)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height var(--transition-slow);font-size:0.9375rem;line-height:1.6;
  color:var(--text-secondary);
}
.faq-item.open .faq-a{max-height:320px}
.faq-a-inner{padding:0 24px 24px;border-left:2px solid var(--primary);margin-left:24px}

.site-footer{
  background:var(--bg-ink);border-top:1px solid var(--border-dim);padding:72px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:64px;margin-bottom:48px}
.footer-brand .logo{margin-bottom:16px;display:inline-block}
.footer-desc{color:var(--text-secondary);font-size:0.9375rem;line-height:1.7;max-width:320px;margin:0}
.footer-col-title{font-size:0.9375rem;font-weight:700;color:var(--text-primary);margin-bottom:20px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:var(--text-secondary);font-size:0.9375rem;transition:color var(--transition-fast),padding-left var(--transition-fast)}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;gap:12px;color:var(--text-secondary);font-size:0.9375rem;align-items:center}
.contact-item svg{width:18px;height:18px;fill:var(--primary);flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--border-dim);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  color:var(--text-secondary);font-size:0.8125rem;
}
.footer-bottom .domain-text{color:var(--text-secondary)}

.mobile-cta-bar{
  display:none;
}

@media (max-width: 1024px) {
  .header-inner{padding:0 24px}
  .checklist-item{grid-template-columns:56px 80px 1fr;gap:16px}
  .checklist-cta{grid-column:2/4;justify-self:start;margin-top:8px}
  .cta-wrap{grid-template-columns:1fr;gap:40px}
  .mega-panel{right:24px}
  .footer-grid{gap:40px}
}

@media (max-width: 768px) {
  .section{padding:64px 0}
  .site-header{height:56px}
  .header-inner{padding:0 16px;gap:12px}
  .logo{font-size:1.15rem}
  .main-nav{gap:4px}
  .nav-link{padding:8px 12px;font-size:0.875rem}
  .mega-trigger{padding:6px 14px;font-size:0.875rem}
  .hero{height:auto;min-height:640px}
  .hero-content{padding-top:100px;padding-bottom:48px}
  .hero h1{font-size:clamp(36px,8vw,48px)}
  .hero-sub{font-size:1.0625rem}
  .hero-stats{gap:32px;flex-wrap:wrap}
  .checklist-item{grid-template-columns:44px 72px 1fr;padding:20px 4px}
  .checklist-num{font-size:1.5rem}
  .checklist-img{width:72px;height:72px}
  .checklist-body h3{font-size:1rem}
  .checklist-body p{font-size:0.875rem;line-height:1.5}
  .news-item{grid-template-columns:1fr auto;gap:12px;padding:20px 8px}
  .news-tag{justify-self:start}
  .news-summary{grid-column:1/3}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .cta-heading{font-size:1.5rem}
  .mega-panel{position:fixed;top:56px;left:0;right:0;width:100%;border-radius:0;border-left:none;border-right:none;max-height:calc(100vh - 56px);overflow-y:auto}
  .mega-grid{grid-template-columns:1fr}
  .mobile-cta-bar{
    display:flex;position:fixed;bottom:0;left:0;right:0;height:56px;
    background:rgba(11,12,10,0.95);border-top:1px solid var(--border-dim);
    padding:0 16px;padding-bottom:env(safe-area-inset-bottom);z-index:2000;align-items:center;justify-content:center;
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  }
  .mobile-cta-bar button{
    width:100%;height:44px;border-radius:var(--radius-btn);background:var(--primary);color:var(--bg-ink);
    border:none;font-weight:800;font-size:0.9375rem;cursor:pointer;
    display:flex;align-items:center;justify-content:center;gap:8px;
  }
  body{padding-bottom:0}
}

@media (max-width: 520px) {
  .video-card{flex-basis:180px}
  .review-card{flex-basis:260px}
  .btn-primary,.btn-secondary{padding:0 20px;font-size:0.9375rem}
}

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

@media (prefers-reduced-motion: no-preference) {
  .reveal{opacity:0;transform:translateY(24px);transition:opacity 0.5s ease,transform 0.5s ease}
  .reveal.is-visible{opacity:1;transform:translateY(0)}
}

/* roulang page: category1 */
:root {
            --bg: #0B0C0A;
            --bg-soft: #141610;
            --bg-card: #141610;
            --accent: #D7FF3A;
            --accent-hover: #C9F52E;
            --text: #F5F6F0;
            --text-secondary: #A8AC9F;
            --text-muted: #6F746A;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --container: 1240px;
            --font: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .grid-container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 10, 0.88);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 0 24px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo-accent {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            gap: 4px;
        }

        .nav-link {
            padding: 9px 14px;
            font-size: 15px;
            color: var(--text-secondary);
            position: relative;
            border-radius: 8px;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.2s ease;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--text);
            outline: none;
        }

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

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

        .header-nav-wrap {
            position: relative;
        }

        .mega-trigger {
            height: 44px;
            padding: 0 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 999px;
            color: var(--text);
            font-size: 14px;
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .mega-trigger svg {
            width: 15px;
            height: 15px;
        }

        .mega-trigger:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-hover);
        }

        .mega-panel {
            position: absolute;
            right: 0;
            top: calc(100% + 12px);
            width: 560px;
            max-width: calc(100vw - 32px);
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: opacity 0.2s ease 0.08s, transform 0.2s ease 0.08s, visibility 0.2s ease 0.08s;
            z-index: 120;
            pointer-events: none;
        }

        .header-nav-wrap:hover .mega-panel,
        .header-nav-wrap:focus-within .mega-panel,
        .header-nav-wrap.mega-open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 24px;
        }

        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .mega-cat-list {
            list-style: none;
        }

        .mega-cat-list li a {
            display: block;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text);
            transition: color 0.15s ease;
        }

        .mega-cat-list li a:hover {
            color: var(--accent);
        }

        .mega-card-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px;
            border-radius: 12px;
            transition: background 0.15s ease;
            text-decoration: none;
        }

        .mega-card-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .mega-card-thumb {
            width: 56px;
            height: 74px;
            object-fit: cover;
            border-radius: 8px;
            flex: none;
        }

        .mega-card-meta {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mega-card-meta strong {
            font-size: 14px;
            color: var(--text);
            line-height: 1.4;
        }

        .mega-card-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .mega-foot-link {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: space-between;
            margin-top: 20px;
            padding: 14px 18px;
            border-radius: 12px;
            background: linear-gradient(120deg, rgba(215, 255, 58, 0.12), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(215, 255, 58, 0.18);
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            transition: border-color 0.2s ease;
        }

        .mega-foot-link:hover {
            border-color: rgba(215, 255, 58, 0.35);
        }

        .page-hero {
            padding: 80px 0 56px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.15s ease;
        }

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

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

        .page-hero h1 {
            font-size: clamp(40px, 7vw, 64px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        .hero-divider {
            width: 72px;
            height: 3px;
            background: var(--accent);
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 720px;
        }

        .cover-banner {
            padding: 80px 0;
        }

        .banner-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }

        .banner-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .banner-overlay {
            position: relative;
            z-index: 2;
            padding: 40px;
            width: 100%;
            background: linear-gradient(90deg, rgba(11, 12, 10, 0.92) 0%, rgba(11, 12, 10, 0.6) 60%, rgba(11, 12, 10, 0.1) 100%);
        }

        .banner-tag {
            display: inline-block;
            background: var(--accent);
            color: #0B0C0A;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .banner-overlay h2 {
            font-size: clamp(24px, 4vw, 36px);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            line-height: 1.25;
        }

        .banner-overlay p {
            font-size: 16px;
            color: rgba(245, 246, 240, 0.9);
            max-width: 460px;
        }

        .guide-section {
            padding: 80px 0;
            border-top: 1px solid var(--border);
        }

        .guide-block {
            display: flex;
            align-items: center;
            gap: 64px;
        }

        .guide-block.reverse {
            flex-direction: row-reverse;
        }

        .guide-media {
            flex: 1;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .guide-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .guide-media:hover img {
            transform: scale(1.02);
        }

        .guide-content {
            flex: 1;
        }

        .guide-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.06em;
            background: rgba(215, 255, 58, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .guide-content h2 {
            font-size: clamp(24px, 3.4vw, 34px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .guide-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--accent);
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .link-arrow:hover {
            gap: 12px;
            color: var(--accent-hover);
        }

        .guide-section.tone-light {
            background: #F4F4EF;
            border-top: none;
        }

        .tone-light .guide-content h2 {
            color: #1C1E1A;
        }

        .tone-light .guide-content p {
            color: #55594F;
        }

        .tone-light .guide-label {
            background: rgba(0, 0, 0, 0.06);
            color: #1C1E1A;
        }

        .tone-light .link-arrow {
            color: #1C1E1A;
        }

        .tone-light .guide-media {
            border-color: rgba(0, 0, 0, 0.1);
        }

        .flow-section {
            padding: 96px 0;
            border-top: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 620px;
            margin: 0 auto 56px;
        }

        .section-head .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
        }

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

        .flow-step {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            position: relative;
            transition: border-color 0.25s ease, transform 0.25s ease;
        }

        .flow-step:hover {
            border-color: rgba(215, 255, 58, 0.3);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1;
            margin-bottom: 18px;
            display: block;
        }

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

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

        .faq-section {
            padding: 96px 0;
            border-top: 1px solid var(--border);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .accordion-item {
            border-bottom: 1px solid var(--border);
            border-left: 2px solid transparent;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .accordion-item.open {
            background: rgba(255, 255, 255, 0.02);
            border-left-color: var(--accent);
        }

        .accordion-header {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 8px;
            background: transparent;
            border: none;
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: color 0.2s ease;
        }

        .accordion-header:hover {
            color: var(--accent);
        }

        .accordion-header:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .accordion-icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex: none;
        }

        .accordion-icon::before,
        .accordion-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            transition: transform 0.25s ease;
        }

        .accordion-icon::before {
            left: 0;
            right: 0;
            top: 7px;
            height: 2px;
        }

        .accordion-icon::after {
            top: 0;
            bottom: 0;
            left: 7px;
            width: 2px;
        }

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

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .accordion-content p {
            padding: 0 8px 22px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .cta-section {
            padding: 96px 0 120px;
            border-top: 1px solid var(--border);
        }

        .cta-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border);
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 12, 10, 0.95) 0%, rgba(11, 12, 10, 0.75) 50%, rgba(11, 12, 10, 0.3) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            padding: 48px;
            max-width: 560px;
        }

        .cta-kicker {
            font-size: 14px;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .cta-content h2 {
            font-size: clamp(24px, 4vw, 36px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .cta-text {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-primary {
            background: var(--accent);
            color: #0B0C0A;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(215, 255, 58, 0.25);
        }

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

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

        .site-footer {
            background: #090A08;
            border-top: 1px solid var(--border);
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            margin-bottom: 48px;
        }

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

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 340px;
        }

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

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.15s ease;
        }

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .contact-item svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
            flex: none;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

        .domain-text {
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.04em;
        }

        @media (max-width: 1024px) {
            .guide-block {
                flex-direction: column;
                gap: 32px;
            }

            .guide-block.reverse {
                flex-direction: column;
            }

            .guide-media img {
                height: 260px;
            }

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

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

            .mega-panel {
                width: 500px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 12px;
                padding: 0 16px;
            }

            .logo {
                font-size: 18px;
            }

            .main-nav {
                gap: 0;
            }

            .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }

            .mega-trigger {
                padding: 0 12px;
                font-size: 13px;
            }

            .mega-trigger svg {
                display: none;
            }

            .mega-panel {
                position: fixed;
                right: 16px;
                left: 16px;
                top: 60px;
                width: auto;
            }

            .page-hero {
                padding: 56px 0 40px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .cover-banner {
                padding: 48px 0;
            }

            .banner-overlay {
                padding: 28px;
            }

            .guide-section {
                padding: 56px 0;
            }

            .flow-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }

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

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

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

        @media (max-width: 520px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .logo {
                font-size: 17px;
            }

            .main-nav .nav-link {
                padding: 8px 7px;
                font-size: 13px;
            }

            .mega-trigger {
                padding: 0 10px;
            }

            .page-hero h1 {
                font-size: 40px;
            }

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

            .banner-card {
                min-height: 260px;
            }

            .banner-overlay {
                padding: 20px;
            }

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

            .guide-media img {
                height: 200px;
            }

            .cta-content {
                padding: 28px 20px;
            }

            .btn {
                height: 44px;
                padding: 0 20px;
                font-size: 14px;
            }
        }

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

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: article */
:root{
  --bg:#0B0C0A;
  --bg-soft:#141610;
  --bg-raised:#1C1E1A;
  --lime:#D7FF3A;
  --lime-hover:#C9F52E;
  --lime-dim:rgba(215,255,58,.12);
  --text:#F5F6F0;
  --text-dim:#A8AC9F;
  --text-deep:#1C1E1A;
  --border:rgba(255,255,255,.08);
  --border-bright:rgba(255,255,255,.16);
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:16px;
  --shadow-hover:0 8px 32px rgba(0,0,0,.4);
  --font:'PingFang SC','HarmonyOS Sans','Microsoft YaHei','Noto Sans SC',sans-serif;
  --maxw:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--lime);text-decoration:none;transition:color .2s,border-color .2s}
a:hover{color:var(--lime-hover)}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;font-weight:700;line-height:1.15;color:var(--text)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
button,input,textarea{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grid-container{max-width:var(--maxw);padding-left:24px;padding-right:24px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:8px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,background .2s,border-color .2s,color .2s;
  text-decoration:none;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--lime);color:#0B0C0A}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-2px);color:#0B0C0A}
.btn-primary:active{transform:translateY(-1px)}
.btn-outline{border-color:rgba(255,255,255,.32);color:var(--text);background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:var(--border-bright);transform:translateY(-2px);color:var(--text)}
.btn-lg{height:54px;padding:0 36px;font-size:16px}

/* Badge */
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--lime-dim);color:var(--lime);border:1px solid rgba(215,255,58,.18);white-space:nowrap}
.badge-lime{background:var(--lime);color:#0B0C0A;border-color:var(--lime)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,12,10,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:32px;
}
.logo{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text);white-space:nowrap}
.logo .logo-accent{color:var(--lime)}
.logo:hover{color:var(--text)}
.main-nav{display:flex;align-items:center;gap:28px;margin-right:auto;min-width:0}
.nav-link{
  position:relative;color:rgba(245,246,240,.72);font-size:15px;font-weight:600;
  padding:8px 2px;white-space:nowrap;transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--lime);transition:right .2s;
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{right:0}
.header-nav-wrap{position:relative;display:flex;align-items:center}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;
  color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s;
}
.mega-trigger svg{width:15px;height:15px;transition:transform .2s}
.mega-trigger:hover{border-color:var(--border-bright);background:var(--bg-raised)}
.header-nav-wrap:hover .mega-trigger svg,.header-nav-wrap:focus-within .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:540px;max-width:calc(100vw - 32px);
  background:var(--bg-soft);border:1px solid var(--border-bright);border-radius:16px;
  padding:20px;box-shadow:var(--shadow-hover);z-index:900;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .2s,transform .2s;
  pointer-events:none;
}
.header-nav-wrap:hover .mega-panel,.header-nav-wrap:focus-within .mega-panel,.mega-panel:hover{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:16px}
.mega-col-title{font-size:12px;letter-spacing:.08em;color:var(--text-dim);text-transform:uppercase;margin-bottom:10px}
.mega-cat-list{list-style:none;margin:0;padding:0}
.mega-cat-list li{margin-bottom:4px}
.mega-cat-list a{display:block;padding:8px 10px;border-radius:8px;color:rgba(245,246,240,.8);font-size:14px;transition:background .2s,color .2s}
.mega-cat-list a:hover{background:rgba(255,255,255,.06);color:var(--lime)}
.mega-card-item{display:flex;gap:12px;padding:10px;border-radius:10px;text-decoration:none;color:var(--text);transition:background .2s}
.mega-card-item:hover{background:rgba(255,255,255,.06);color:var(--text)}
.mega-card-thumb{width:80px;height:60px;object-fit:cover;border-radius:8px;flex-shrink:0}
.mega-card-meta{display:flex;flex-direction:column;gap:4px;min-width:0;overflow:hidden}
.mega-card-meta strong{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-card-meta span{font-size:12px;color:var(--text-dim)}
.mega-foot-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:10px;
  background-image:linear-gradient(rgba(11,12,10,.66),rgba(11,12,10,.66)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--lime);font-size:14px;font-weight:700;text-decoration:none;
}
.mega-foot-link:hover{color:var(--lime-hover)}

/* Article */
.article-page{padding:56px 0 96px}
.article-header-block,.article-body-wrap{max-width:860px;margin-left:auto;margin-right:auto}
.article-header-block{margin-bottom:40px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:18px}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text)}
.article-title{font-size:clamp(30px,4.6vw,44px);line-height:1.18;margin-bottom:22px;letter-spacing:-.02em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-dim)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:14px;height:14px;opacity:.7}
.article-body{
  background:#F4F4EF;
  color:var(--text-deep);
  border-radius:16px;
  padding:48px 56px;
  margin-bottom:48px;
}
.article-body h2{font-size:clamp(20px,2.6vw,26px);color:#141610;margin-top:42px;margin-bottom:14px;letter-spacing:-.01em}
.article-body h3{font-size:20px;color:#141610;margin-top:32px;margin-bottom:10px}
.article-body p{font-size:16px;line-height:1.85;color:#2A2C26;margin-bottom:22px}
.article-body a{color:#4C6A00;border-bottom:1px solid rgba(76,106,0,.3)}
.article-body a:hover{color:#244000;border-bottom-color:#244000}
.article-body blockquote{margin:28px 0;padding:18px 24px;border-left:4px solid var(--lime);background:rgba(215,255,58,.10);border-radius:0 12px 12px 0;color:#3A3C34}
.article-body blockquote p{margin-bottom:0}
.article-body img{border-radius:12px;margin:28px auto}
.article-body ul,.article-body ol{padding-left:1.4em;margin-bottom:22px}
.article-body li{margin-bottom:6px}
.article-body hr{border:0;border-top:1px solid rgba(0,0,0,.1);margin:40px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0}
.article-body th,.article-body td{border:1px solid rgba(0,0,0,.1);padding:10px 14px;font-size:14px}
.article-body th{background:rgba(0,0,0,.05)}
.empty-state{max-width:560px;margin:0 auto 48px;text-align:center;padding:72px 24px}
.empty-icon{width:64px;height:64px;margin:0 auto 20px;border:1px solid var(--border);border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--text-dim)}
.empty-icon svg{width:26px;height:26px}
.empty-state p{color:var(--text-dim)}

/* Related */
.related-section{padding:24px 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-kicker{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-dim);text-transform:uppercase;margin-bottom:6px}
.section-title{font-size:clamp(24px,3.6vw,32px);font-weight:700}
.section-more{color:var(--lime);font-size:14px;font-weight:600;white-space:nowrap}
.section-more:hover{color:var(--lime-hover)}
.related-row{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.related-col{padding-left:12px;padding-right:12px;margin-bottom:24px;width:100%}
@media (min-width:640px){
  .related-col{width:50%}
}
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;
  text-decoration:none;color:var(--text);
}
.related-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow-hover);transform:translateY(-3px);color:var(--text)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:#0C0D0B}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:22px 24px}
.related-body h3{font-size:18px;margin-bottom:8px;line-height:1.4}
.related-body p{font-size:14px;color:var(--text-dim);margin-bottom:0}
.related-body .badge{margin-bottom:12px}

/* CTA */
.cta-section{
  background-image:linear-gradient(135deg,rgba(11,12,10,.88) 20%,rgba(11,12,10,.42) 60%,rgba(215,255,58,.08)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:88px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-copy{max-width:640px}
.cta-copy h2{font-size:clamp(26px,4vw,38px);margin-bottom:12px}
.cta-copy p{color:var(--text-dim);margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;flex-shrink:0}

/* FAQ */
.faq-section{padding:96px 0}
.faq-container{max-width:800px;margin:0 auto}
.faq-head{text-align:center;margin-bottom:40px}
.faq-head .section-kicker{display:inline-block}
.faq-item{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:background .2s,border-color .2s;
}
.faq-item[open]{background:rgba(255,255,255,.04);border-color:var(--border-bright)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:22px;height:22px;flex-shrink:0;position:relative;display:inline-block;
}
.faq-item summary .faq-icon::before,.faq-item summary .faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;width:12px;height:2px;background:var(--lime);
  transform:translate(-50%,-50%);transition:transform .2s;
}
.faq-item summary .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] summary .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.65;color:var(--text-dim)}
.faq-answer p:last-child{margin-bottom:0}

/* Footer */
.site-footer{background:#080907;border-top:1px solid var(--border);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{font-size:24px;margin-bottom:14px;display:inline-block}
.footer-desc{color:var(--text-dim);font-size:14px;max-width:340px;line-height:1.7}
.footer-col-title{font-size:14px;letter-spacing:.04em;color:var(--text);margin-bottom:16px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-dim);font-size:14px}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.contact-item{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-size:14px}
.contact-item svg{width:16px;height:16px;color:var(--lime);opacity:.8;flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:var(--text-dim);font-size:13px;
}
.domain-text{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* Responsive */
@media (max-width:1024px){
  .header-inner{gap:18px}
  .main-nav{gap:18px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{gap:32px}
}
@media (max-width:768px){
  .header-inner{height:56px}
  .main-nav{
    position:fixed;left:0;right:0;top:56px;
    background:rgba(11,12,10,.96);
    border-bottom:1px solid var(--border);
    padding:8px 16px;gap:18px;overflow-x:auto;
    justify-content:flex-start;
  }
  .logo{font-size:19px}
  .header-inner{gap:14px}
  .header-nav-wrap .mega-panel{right:-8px;top:calc(100% + 10px);width:calc(100vw - 32px);border-radius:14px}
  .mega-grid{grid-template-columns:1fr}
  .article-page{padding:40px 0 64px}
  .article-header-block,.article-body-wrap{padding-left:16px;padding-right:16px}
  .article-title{font-size:28px}
  .article-meta{row-gap:10px}
  .article-body{padding:32px 22px;border-radius:12px}
  .cta-section{padding:64px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .related-section{padding:16px 0 64px}
}
@media (max-width:520px){
  .container,.grid-container{padding-left:16px;padding-right:16px}
  .header-inner{padding:0 16px}
  .mega-trigger{padding:0 12px}
  .btn{padding:0 20px}
  .article-title{font-size:24px}
  .article-body{padding:26px 18px}
  .article-body p{font-size:16px;line-height:1.75}
  .related-body{padding:16px 18px}
  .related-body h3{font-size:16px}
  .cta-actions .btn{width:100%;justify-content:center}
  .faq-item summary{font-size:15px;padding:18px 18px}
  .faq-answer{padding:0 18px 18px;font-size:14px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}