/* roulang page: index */
:root{
  --bg:#0A0C0E;
  --bg-2:#0E1216;
  --panel:#12181D;
  --panel-2:#182128;
  --line:#26323A;
  --lime:#C8FF3D;
  --magenta:#FF3D9A;
  --amber:#FFB020;
  --text:#F3F7F4;
  --text-2:#A9B6B0;
  --text-3:#6F7D77;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.38);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px}
p{margin:0}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--alt{background:var(--bg-2);border-top:1px solid rgba(38,50,58,.7);border-bottom:1px solid rgba(38,50,58,.7)}
.section-head{max-width:760px;margin-bottom:44px}
.kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--magenta);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,14,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),var(--magenta),transparent);
  opacity:.55;
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.logo{font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;line-height:1.2}
.logo .logo-accent{color:var(--lime)}
.logo:hover .logo-accent{color:var(--magenta)}
.logo,.logo .logo-accent{transition:color .2s}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 15px;border-radius:var(--pill);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--lime);background:rgba(200,255,61,.07)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  border-radius:2px;background:var(--lime);
  box-shadow:0 0 10px rgba(200,255,61,.85);
}
.header-cta{margin-left:6px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;padding:0;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--panel);color:var(--text);cursor:pointer;
  place-items:center;transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle i{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;margin:3px 0;transition:transform .25s,opacity .25s}
body.nav-open .nav-toggle i:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle i:nth-child(2){opacity:0}
body.nav-open .nav-toggle i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s,background .22s,border-color .22s,color .22s,box-shadow .22s;
}
.btn-primary{background:var(--lime);color:#0A0C0E}
.btn-primary:hover{background:#d8ff6b;transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,255,61,.25)}
.btn-secondary{background:transparent;border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:var(--magenta);color:var(--magenta);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,61,154,.18)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.4;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(900px 420px at 16% 10%,rgba(200,255,61,.14),transparent 62%),
    radial-gradient(720px 420px at 88% 82%,rgba(255,61,154,.16),transparent 60%),
    linear-gradient(180deg,rgba(10,12,14,.86),rgba(10,12,14,.97));
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(38,50,58,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(38,50,58,.55) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding-top:104px;padding-bottom:88px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--pill);
  border:1px solid rgba(200,255,61,.4);
  background:rgba(200,255,61,.08);
  color:var(--lime);font-size:13px;font-weight:600;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.9)}
.hero h1{
  margin-top:24px;font-size:clamp(30px,4.2vw,54px);font-weight:800;
  line-height:1.18;max-width:17em;
}
.hero-sub{margin-top:22px;max-width:660px;font-size:17px;color:var(--text-2)}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:52px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:760px}
.hero-stats li{
  background:rgba(18,24,29,.76);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;backdrop-filter:blur(6px);
  transition:border-color .25s,transform .25s;
}
.hero-stats li:hover{border-color:rgba(200,255,61,.45);transform:translateY(-2px)}
.hero-stats strong{display:block;font-size:22px;font-weight:800;color:var(--lime);line-height:1.3}
.hero-stats span{font-size:13px;color:var(--text-3)}

/* ---------- subnav ---------- */
.subnav{
  position:sticky;top:72px;z-index:50;
  background:rgba(10,12,14,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.subnav-inner{
  display:flex;gap:8px;overflow-x:auto;
  padding-top:10px;padding-bottom:10px;
  scrollbar-width:none;
}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a{
  padding:8px 18px;border-radius:var(--pill);
  border:1px solid transparent;color:var(--text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:color .2s,border-color .2s,background .2s;
}
.subnav a:hover{color:var(--lime);border-color:rgba(200,255,61,.35);background:rgba(200,255,61,.07)}

/* ---------- cards ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(200,255,61,.5);box-shadow:var(--shadow)}
.card h3{font-size:19px}
.card p{margin-top:12px;color:var(--text-2);font-size:15px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:600;line-height:1.7;
  color:var(--magenta);background:rgba(255,61,154,.1);
  border:1px solid rgba(255,61,154,.3);
}
.badge-lime{color:var(--lime);background:rgba(200,255,61,.1);border-color:rgba(200,255,61,.35)}
.badge-amber{color:var(--amber);background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.35)}

/* ---------- advantage ---------- */
.adv-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px}
.adv-lead{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:18px;justify-content:flex-end;
  min-height:360px;padding:34px;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(200,255,61,.12),rgba(18,24,29,.94) 46%),var(--panel);
}
.adv-lead::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/coverpic/cover-1.webp');
  background-size:cover;background-position:center;
  opacity:.24;
}
.adv-lead::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(10,12,14,.15),rgba(10,12,14,.9));
}
.adv-lead > *{position:relative;z-index:1}
.adv-lead h3{font-size:clamp(21px,2.2vw,26px);font-weight:800}
.adv-lead p{color:var(--text-2);font-size:15px}
.adv-side{display:grid;gap:16px}
.adv-mini{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.adv-mini:hover{transform:translateY(-2px);border-color:rgba(255,61,154,.45);box-shadow:0 12px 28px rgba(255,61,154,.1)}
.adv-mini .ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;font-size:18px;
  background:rgba(200,255,61,.1);color:var(--lime);
  border:1px solid rgba(200,255,61,.25);
}
.adv-mini h3{font-size:17px}
.adv-mini p{margin-top:8px;font-size:14px;color:var(--text-2)}

/* ---------- demo ---------- */
.demo-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.demo-tab{
  padding:10px 20px;border-radius:var(--pill);
  background:var(--panel);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:color .2s,border-color .2s,background .2s,box-shadow .2s;
}
.demo-tab:hover{color:var(--text);border-color:rgba(200,255,61,.4)}
.demo-tab.is-active{
  color:var(--lime);background:rgba(200,255,61,.12);
  border-color:var(--lime);box-shadow:0 0 0 1px rgba(200,255,61,.22);
}
.demo-panel{
  display:none;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:30px;align-items:center;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;
}
.demo-panel.is-active{display:grid}
.demo-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.demo-panel h3{font-size:20px}
.steps{display:grid;gap:16px;margin-top:18px;counter-reset:step}
.steps li{position:relative;padding-left:46px;color:var(--text-2);font-size:15px}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--magenta);
  background:rgba(255,61,154,.1);border:1px solid rgba(255,61,154,.3);
}

/* ---------- proof ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
  padding:24px 20px;border-radius:var(--radius);text-align:center;
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .25s,transform .25s;
}
.metric:hover{border-color:rgba(200,255,61,.45);transform:translateY(-2px)}
.metric strong{display:block;font-size:30px;font-weight:800;color:var(--lime);line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--text-3)}
.timeline{display:grid;gap:22px;margin-top:44px}
.timeline li{position:relative;padding-left:30px}
.timeline li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 12px rgba(200,255,61,.85);
}
.timeline li::after{
  content:"";position:absolute;left:4px;top:26px;bottom:-22px;width:1px;background:var(--line);
}
.timeline li:last-child::after{display:none}
.timeline strong{display:block;font-size:16px;font-weight:700}
.timeline span{display:block;margin-top:4px;color:var(--text-2);font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag{
  padding:7px 15px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--panel);
  color:var(--text-2);font-size:13px;
  transition:color .2s,border-color .2s;
}
.tag:hover{color:var(--lime);border-color:rgba(200,255,61,.45)}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(200,255,61,.5);box-shadow:var(--shadow)}
.news-card h3{font-size:18px;line-height:1.5}
.news-card h3 a{transition:color .2s}
.news-card h3 a::after{content:"";position:absolute;inset:0}
.news-card:hover h3{color:var(--lime)}
.news-card p{
  color:var(--text-2);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.news-meta .read-more{color:var(--lime);font-weight:600}
.empty-state{
  grid-column:1 / -1;padding:44px 24px;border-radius:var(--radius-lg);
  border:1px dashed var(--line);background:var(--panel);
  text-align:center;color:var(--text-3);font-size:15px;
}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{
  display:block;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(255,61,154,.5);box-shadow:0 16px 36px rgba(0,0,0,.4)}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s}
.cat-card:hover img{transform:scale(1.05)}
.cat-card-body{padding:22px}
.cat-card h3{font-size:19px;transition:color .2s}
.cat-card:hover h3{color:var(--lime)}
.cat-card p{margin-top:10px;font-size:14px;color:var(--text-2)}
.cat-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--lime)}

/* ---------- plans ---------- */
.plan-featured{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;
  padding:34px;border-radius:var(--radius-lg);
  border:1px solid rgba(200,255,61,.35);
  background:linear-gradient(140deg,rgba(200,255,61,.1),rgba(24,33,40,.94) 58%);
  box-shadow:0 0 0 1px rgba(200,255,61,.06);
}
.plan-featured h3{margin-top:14px;font-size:24px}
.plan-featured > div > p{margin-top:12px;color:var(--text-2);font-size:15px}
.perks{display:grid;gap:12px;align-content:center}
.perks li{position:relative;padding-left:28px;font-size:15px;color:var(--text-2)}
.perks li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:10px;
  border-left:2px solid var(--lime);border-bottom:2px solid var(--lime);
  transform:rotate(-45deg);
}
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px}
.plan-card{
  display:flex;flex-direction:column;gap:14px;
  padding:26px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s,border-color .25s;
}
.plan-card:hover{transform:translateY(-3px);border-color:rgba(200,255,61,.45)}
.plan-card h3{font-size:19px}
.plan-card p{color:var(--text-2);font-size:14px}
.plan-card .btn{margin-top:auto}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(200,255,61,.5);box-shadow:0 0 0 1px rgba(200,255,61,.14)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;cursor:pointer;font-size:17px;font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  color:var(--lime);transition:transform .25s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;transition:transform .25s}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px;border-radius:24px;
  border:1px solid rgba(200,255,61,.3);
  background:linear-gradient(130deg,rgba(200,255,61,.14),rgba(255,61,154,.14) 62%,rgba(18,24,29,.94));
}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);font-weight:800}
.cta-band p{margin-top:12px;color:var(--text-2);max-width:560px}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--panel);border-top:1px solid var(--line);padding-top:64px}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),var(--magenta),transparent);
  opacity:.6;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{font-size:19px;font-weight:800}
.footer-brand span{color:var(--lime)}
.footer-grid p{margin-top:14px;color:var(--text-2);font-size:14px;max-width:340px}
.footer-col h3{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--lime)}
.footer-note{color:var(--text-3);font-size:13px;margin-top:14px}
.footer-bottom{
  margin-top:52px;padding:22px 0 28px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  min-height:48px;padding:14px 26px;border-radius:var(--pill);
  background:var(--lime);color:#0A0C0E;font-weight:700;font-size:15px;
  box-shadow:0 16px 34px rgba(200,255,61,.28);
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity .3s,transform .3s,visibility .3s,background .25s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta:hover{background:#d8ff6b}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .adv-grid{grid-template-columns:1fr}
  .demo-panel.is-active{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plan-featured{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .main-nav{
    position:fixed;top:73px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px;
    background:rgba(10,12,14,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .25s,opacity .25s;
    max-height:calc(100vh - 73px);overflow-y:auto;
  }
  body.nav-open .main-nav{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 16px;border-radius:var(--radius-sm)}
  .nav-link.is-active::after{left:16px;right:16px;bottom:6px}
  .header-cta{display:none}
  .nav-toggle{display:grid}
  .subnav{top:73px}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:48px 0}
  .hero-inner{padding-top:72px;padding-bottom:64px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-stats{grid-template-columns:1fr;margin-top:40px}
  .section-head{margin-bottom:32px}
  .news-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .cta-band{padding:32px}
  .demo-panel{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    left:16px;right:16px;bottom:14px;justify-content:center;border-radius:14px;
  }
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-band-actions .btn{width:100%}
  .faq-item summary{padding:18px;font-size:16px}
  .faq-body{padding:0 18px 20px}
}

/* roulang page: article */
:root{
  --bg:#0A0C0E;
  --panel:#12181D;
  --panel-2:#182128;
  --panel-3:#1E2931;
  --line:#26323A;
  --line-soft:#1B242B;
  --text:#F3F7F4;
  --muted:#A9B6B0;
  --dim:#6F7D77;
  --lime:#C8FF3D;
  --lime-soft:rgba(200,255,61,.12);
  --magenta:#FF3D9A;
  --magenta-soft:rgba(255,61,154,.12);
  --amber:#FFB020;
  --amber-soft:rgba(255,176,32,.12);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 14px 38px rgba(0,0,0,.5);
  --glow-lime:0 0 0 1px rgba(200,255,61,.35), 0 0 26px rgba(200,255,61,.16);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:var(--lime);color:#0A0C0E}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--lime);color:#0A0C0E;box-shadow:0 6px 20px rgba(200,255,61,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(200,255,61,.3)}
.btn-secondary{background:transparent;color:var(--lime);border-color:rgba(200,255,61,.5)}
.btn-secondary:hover{transform:translateY(-2px);background:var(--lime-soft);border-color:var(--lime)}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--text);border-color:var(--magenta);background:var(--magenta-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,14,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),var(--magenta),transparent);
  opacity:.55;pointer-events:none;
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.logo-accent{color:var(--lime)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 15px;border-radius:999px;
  color:var(--muted);font-size:15px;font-weight:500;transition:.22s ease;
}
.nav-link:hover{color:var(--lime);background:var(--lime-soft)}
.nav-link.is-active{color:#0A0C0E;background:var(--lime);box-shadow:0 0 18px rgba(200,255,61,.35)}
.header-cta{margin-left:6px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;margin-left:auto;background:transparent;
  border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:var(--lime)}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s ease}
.nav-toggle[aria-expanded="true"]{border-color:var(--lime)}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--lime)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--lime)}

/* ---------- breadcrumb ---------- */
.crumb-bar{border-bottom:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(24,33,40,.7),rgba(10,12,14,0))}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:13.5px;color:var(--dim)}
.crumb a{color:var(--muted);transition:.2s}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:#3A4750}
.crumb .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{
  position:relative;overflow:hidden;
  padding:56px 0 40px;
  background:
    linear-gradient(180deg,rgba(10,12,14,.86),rgba(10,12,14,.96)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,255,61,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,255,61,.05) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 20% 10%,#000,transparent 78%);
  pointer-events:none;
}
.article-head .container{position:relative;z-index:1}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line);color:var(--muted);background:var(--panel);
}
.badge-lime{color:#0A0C0E;background:var(--lime);border-color:var(--lime)}
.badge-magenta{color:var(--magenta);background:var(--magenta-soft);border-color:rgba(255,61,154,.45)}
.badge-amber{color:var(--amber);background:var(--amber-soft);border-color:rgba(255,176,32,.45)}
.article-title{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;line-height:1.28;letter-spacing:-.4px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  margin-top:24px;font-size:13.5px;color:var(--dim);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--lime)}

/* ---------- layout ---------- */
.article-main{padding:64px 0 var(--space-section)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 44px;box-shadow:var(--shadow);
}

/* ---------- article body typography ---------- */
.article-body{max-width:820px;font-size:16.5px;color:#DCE5E0}
.article-body > * + *{margin-top:1.35em}
.article-body p{line-height:1.85}
.article-body h2{
  position:relative;margin-top:2.2em;padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.4;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--lime),var(--magenta));
}
.article-body h3{margin-top:1.8em;font-size:21px;font-weight:700;line-height:1.45;color:var(--text)}
.article-body h4{margin-top:1.5em;font-size:18px;font-weight:700;color:var(--lime)}
.article-body a{color:var(--lime);border-bottom:1px solid rgba(200,255,61,.4)}
.article-body a:hover{color:#fff;border-color:#fff}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body ul li,.article-body ol li{margin:.55em 0;line-height:1.8}
.article-body ul li{list-style:none;position:relative;padding-left:20px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:3px;
  background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.5);
}
.article-body ol{list-style:decimal}
.article-body ol li::marker{color:var(--lime);font-weight:700}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;border-radius:var(--radius);
  background:var(--panel-2);border-left:4px solid var(--magenta);
  color:var(--muted);font-size:16px;
}
.article-body img{border-radius:var(--radius);margin:1.8em 0;border:1px solid var(--line)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{margin-top:10px;font-size:13.5px;color:var(--dim);text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line-soft);text-align:left}
.article-body th{background:var(--panel-2);color:var(--lime);font-weight:600}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  padding:2px 7px;border-radius:6px;background:var(--panel-3);
  color:var(--amber);font-size:.92em;font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-body pre{
  margin:1.8em 0;padding:20px 22px;border-radius:var(--radius);overflow-x:auto;
  background:#070A0C;border:1px solid var(--line);font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:#CFE3D8}
.article-body hr{border:none;height:1px;background:linear-gradient(90deg,var(--line),transparent);margin:2.4em 0}

/* ---------- states ---------- */
.state-box{
  border:1px dashed var(--line);border-radius:var(--radius);padding:44px 28px;text-align:center;
  background:var(--panel-2);
}
.state-box h2{font-size:22px;font-weight:700;margin-bottom:10px;padding:0}
.state-box h2::before{display:none}
.state-box p{color:var(--muted);max-width:520px;margin:0 auto 22px}
.state-empty{border-color:rgba(255,61,154,.4)}
.state-error{border-color:rgba(255,61,154,.55);background:var(--magenta-soft)}

/* ---------- post footer ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line-soft)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--muted);
  background:var(--panel-2);border:1px solid var(--line);transition:.2s;
}
.tag:hover{color:var(--lime);border-color:var(--lime)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;padding:18px 22px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);
  transition:.22s ease;
}
.post-nav-item:hover{border-color:var(--lime);transform:translateY(-2px);background:var(--panel-3)}
.post-nav-item span{font-size:12.5px;color:var(--dim)}
.post-nav-item strong{font-size:15.5px;font-weight:600}
.post-nav-item:hover strong{color:var(--lime)}
.post-nav-item.is-next{text-align:right;align-items:flex-end}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.side-title{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;
  letter-spacing:.3px;margin-bottom:16px;color:var(--text);
}
.side-title::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.6)}
.toc-list{display:grid;gap:4px}
.toc-list li a{
  display:block;padding:7px 10px;border-radius:10px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;transition:.2s;line-height:1.5;
}
.toc-list li a:hover{color:var(--lime);background:var(--lime-soft);border-left-color:var(--lime)}
.toc-list li a.is-sub{padding-left:22px;font-size:13.2px;color:var(--dim)}
.toc-list li a.is-active{color:var(--text);border-left-color:var(--lime);background:var(--lime-soft)}
.side-empty{font-size:13.5px;color:var(--dim);line-height:1.7}
.side-links{display:grid;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:10px;font-size:14.2px;color:var(--muted);transition:.2s;
}
.side-links a::after{content:"→";color:var(--line);transition:.2s}
.side-links a:hover{color:var(--lime);background:var(--lime-soft)}
.side-links a:hover::after{color:var(--lime)}
.side-cta{background:linear-gradient(160deg,var(--panel-2),var(--panel));border-color:rgba(200,255,61,.3)}
.side-cta h3{font-size:17px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.8px;color:var(--muted);margin-bottom:16px}

/* ---------- related ---------- */
.section{padding:var(--space-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:1px;color:var(--lime);text-transform:uppercase;margin-bottom:14px;
}
.section-tag::before{content:"";width:24px;height:1px;background:var(--lime)}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.3px}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(200,255,61,.55);box-shadow:var(--shadow-hover)}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel-3)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .thumb .cat{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(10,12,14,.78);color:var(--lime);
  border:1px solid rgba(200,255,61,.4);backdrop-filter:blur(6px);
}
.post-card .card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card h3{font-size:18.5px;font-weight:700;line-height:1.45;transition:.2s}
.post-card:hover h3{color:var(--lime)}
.post-card p{font-size:14.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim);padding-top:6px}
.post-card .card-foot .more{color:var(--lime);font-weight:600}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.24s ease;
}
.faq-item[open]{border-color:rgba(200,255,61,.55);box-shadow:var(--glow-lime)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:16.5px;font-weight:600;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);color:var(--lime);font-size:16px;
  transition:transform .25s ease, background .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--lime-soft);border-color:var(--lime)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 var(--space-section)}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 48px;border-radius:var(--radius-lg);
  border:1px solid rgba(200,255,61,.35);
  background:linear-gradient(140deg,rgba(200,255,61,.1),rgba(255,61,154,.08)),var(--panel);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,61,.22),transparent 70%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;margin-bottom:10px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;min-height:44px;
  background:var(--lime);color:#0A0C0E;font-size:14.5px;font-weight:700;
  box-shadow:0 12px 30px rgba(200,255,61,.28);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s ease, transform .28s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:#080A0C;position:relative;padding:64px 0 28px}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),var(--magenta),transparent);opacity:.55;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{font-size:19px;font-weight:800;margin-bottom:14px}
.footer-brand span{color:var(--lime)}
.footer-grid p{font-size:14px;color:var(--muted);line-height:1.8;max-width:360px}
.footer-col h3{font-size:14.5px;font-weight:700;margin-bottom:16px;color:var(--text);letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--lime)}
.footer-note{margin-top:16px;font-size:13px;color:var(--dim);line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--dim);
}

/* ---------- skeleton / loading ---------- */
.skeleton{
  border-radius:var(--radius);background:linear-gradient(90deg,var(--panel-2) 25%,var(--panel-3) 37%,var(--panel-2) 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:1024px){
  :root{--space-section:72px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:18px 24px 26px;background:var(--panel);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.5);
    opacity:0;transform:translateY(-14px);pointer-events:none;transition:.24s ease;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-link.is-active{background:var(--lime-soft);color:var(--lime);box-shadow:none;border-left:3px solid var(--lime)}
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;order:2}
  .article-panel{padding:32px 28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  :root{--space-section:56px}
  .container{padding:0 20px}
  .header-inner{height:66px;gap:14px}
  .logo{font-size:18px}
  .main-nav{top:66px}
  .article-head{padding:40px 0 32px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{padding:32px 26px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.is-next{text-align:left;align-items:flex-start}
  .float-cta{left:16px;right:16px;bottom:14px;justify-content:center;border-radius:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-panel{padding:24px 20px;border-radius:var(--radius)}
  .article-title{font-size:27px}
  .badge{font-size:12.2px;padding:5px 11px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-item .faq-body{padding:0 18px 18px}
  .side-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
html{scroll-behavior:smooth}

/* roulang page: category1 */
:root{
  --bg:#0A0C0E;
  --panel:#12181D;
  --panel-up:#182128;
  --line:#26323A;
  --text:#F3F7F4;
  --muted:#A9B6B0;
  --dim:#6F7D77;
  --lime:#C8FF3D;
  --magenta:#FF3D9A;
  --amber:#FFB020;
  --radius-xl:20px;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 12px 28px rgba(0,0,0,.35);
  --shadow-2:0 20px 46px rgba(0,0,0,.45);
  --glow-lime:0 0 0 1px rgba(200,255,61,.45),0 14px 34px rgba(200,255,61,.14);
  --glow-magenta:0 0 0 1px rgba(255,61,154,.45),0 14px 34px rgba(255,61,154,.14);
  --sp-section:96px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(38,50,58,.35) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(90deg,rgba(38,50,58,.25) 0 1px,transparent 1px 96px);
  opacity:.5;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:rgba(200,255,61,.28)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,12,14,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(200,255,61,.18),0 10px 30px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.logo{font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.logo-accent{color:var(--lime)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--radius-sm);
  color:var(--muted);font-size:15px;font-weight:500;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--lime);background:rgba(200,255,61,.06)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;box-shadow:0 0 12px rgba(200,255,61,.85);
}
.header-cta{margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--panel);cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-primary{background:var(--lime);color:#0A0C0E;box-shadow:0 10px 26px rgba(200,255,61,.18)}
.btn-primary:hover{background:#D6FF6B;transform:translateY(-2px);box-shadow:0 16px 34px rgba(200,255,61,.28)}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--magenta);color:#fff;transform:translateY(-2px);box-shadow:var(--glow-magenta)}
.btn-ghost{background:transparent;color:var(--lime);padding-left:6px;padding-right:6px}
.btn-ghost:hover{color:#E4FF9A;transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(10,12,14,.82),rgba(10,12,14,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,255,61,.6),transparent);
}
.page-hero .container{padding-top:56px;padding-bottom:64px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span.sep{color:var(--line)}
.page-title{font-size:clamp(30px,4.2vw,50px);font-weight:800;max-width:20ch}
.page-title .hl{color:var(--lime)}
.page-sub{margin-top:18px;max-width:64ch;color:var(--muted);font-size:16.5px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(24,33,40,.85);border:1px solid var(--line);font-size:13.5px;color:var(--muted);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.9)}
.tag.tag-magenta::before{background:var(--magenta);box-shadow:0 0 10px rgba(255,61,154,.9)}
.tag.tag-amber::before{background:var(--amber);box-shadow:0 0 10px rgba(255,176,32,.9)}

/* ---------- layout with anchor rail ---------- */
.layout{
  display:grid;grid-template-columns:236px minmax(0,1fr);gap:44px;
  padding-top:72px;padding-bottom:24px;align-items:start;
}
.rail-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.rail-title{font-size:12.5px;letter-spacing:2px;color:var(--dim);text-transform:uppercase}
.rail-link{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);
  border:1px solid transparent;color:var(--muted);font-size:14.5px;transition:all .2s ease;
}
.rail-link::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--line);transition:background .2s ease}
.rail-link:hover{color:var(--text);background:var(--panel);border-color:var(--line)}
.rail-link.is-active{color:var(--lime);background:rgba(200,255,61,.07);border-color:rgba(200,255,61,.35)}
.rail-link.is-active::before{background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.9)}
.rail-note{margin-top:8px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.rail-note h3{font-size:14px;margin-bottom:8px;color:var(--text)}
.rail-note p{font-size:13px;color:var(--dim);line-height:1.7}

/* ---------- section ---------- */
.section{padding:var(--sp-section) 0}
.layout .section{padding:0 0 84px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.6px;color:var(--lime);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--lime);box-shadow:0 0 8px rgba(200,255,61,.9)}
.section-title{font-size:clamp(24px,2.6vw,34px)}
.section-desc{margin-top:14px;max-width:62ch;color:var(--muted);font-size:15.5px}
.section-head{margin-bottom:44px}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap}

/* ---------- index cards ---------- */
.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.index-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-xl);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.index-card:hover{transform:translateY(-3px);border-color:rgba(200,255,61,.55);box-shadow:var(--glow-lime)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-up)}
.card-media img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .5s ease,opacity .3s ease}
.index-card:hover .card-media img{transform:scale(1.04);opacity:.95}
.card-media .card-no{
  position:absolute;left:16px;bottom:14px;font-size:13px;font-weight:700;letter-spacing:1px;
  color:#0A0C0E;background:var(--lime);padding:5px 12px;border-radius:var(--radius-pill);
}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:var(--radius-pill);border:1px solid var(--line);
  color:var(--muted);background:rgba(24,33,40,.7);
}
.badge-lime{color:#0A0C0E;background:var(--lime);border-color:transparent}
.badge-magenta{color:var(--magenta);border-color:rgba(255,61,154,.4)}
.badge-amber{color:var(--amber);border-color:rgba(255,176,32,.4)}
.card-title{font-size:19px;transition:color .2s ease}
.index-card:hover .card-title{color:var(--lime)}
.card-text{color:var(--muted);font-size:14.5px;line-height:1.72}
.card-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* ---------- rule list ---------- */
.rule-panel{
  border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--panel);
  padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:26px 40px;
}
.rule-item{display:flex;gap:16px}
.rule-index{
  flex:0 0 36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  background:rgba(200,255,61,.1);border:1px solid rgba(200,255,61,.35);color:var(--lime);font-weight:700;font-size:14px;
}
.rule-item h3{font-size:16.5px;margin-bottom:6px}
.rule-item p{color:var(--muted);font-size:14.5px}

/* ---------- path / timeline ---------- */
.path{position:relative;display:grid;gap:0;border-left:1px solid var(--line);margin-left:8px}
.path-step{position:relative;padding:0 0 34px 34px}
.path-step:last-child{padding-bottom:0}
.path-step::before{
  content:"";position:absolute;left:-6px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);box-shadow:0 0 10px rgba(200,255,61,.7);
}
.path-step h3{font-size:18px;margin-bottom:8px}
.path-step p{color:var(--muted);font-size:14.5px;max-width:60ch}
.path-step .step-meta{display:inline-block;margin-top:10px;font-size:13px;color:var(--amber)}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;
}
.stat{background:var(--panel-up);padding:26px 22px}
.stat strong{display:block;font-size:26px;font-weight:800;color:var(--lime);letter-spacing:.5px}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--dim)}
.verify-note{
  margin-top:24px;border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:var(--radius);background:rgba(255,176,32,.05);padding:20px 24px;color:var(--muted);font-size:14.5px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(200,255,61,.5);box-shadow:0 0 0 1px rgba(200,255,61,.18)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;color:var(--lime);transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:transform .25s ease,opacity .25s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 24px 24px;color:var(--muted);font-size:14.8px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border:1px solid rgba(200,255,61,.28);border-radius:var(--radius-xl);
  background-image:linear-gradient(120deg,rgba(10,12,14,.9),rgba(10,12,14,.7)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;padding:52px 46px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);max-width:24ch}
.cta-band p{margin-top:14px;max-width:58ch;color:var(--muted);font-size:15.5px}
.cta-band .hero-actions{margin-top:28px}

/* ---------- footer ---------- */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:#080A0C;position:relative;z-index:1}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(200,255,61,.55),rgba(255,61,154,.35),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand{font-size:19px;font-weight:800;margin-bottom:16px}
.footer-brand span{color:var(--lime)}
.footer-grid p{color:var(--dim);font-size:14px;line-height:1.8}
.footer-col h3{font-size:14px;letter-spacing:1.2px;color:var(--text);margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-note{margin-top:16px;color:var(--dim);font-size:13px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 30px;color:var(--dim);font-size:13px;
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:130;display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--radius-pill);background:var(--lime);color:#0A0C0E;
  font-weight:700;font-size:14.5px;box-shadow:0 18px 40px rgba(200,255,61,.24);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:all .28s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:#D6FF6B;transform:translateY(-2px)}

/* ---------- states ---------- */
.is-loading{position:relative;overflow:hidden;background:var(--panel-up);border-radius:var(--radius);min-height:120px}
.is-loading::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(200,255,61,.08),transparent);
  animation:shine 1.5s infinite;
}
@keyframes shine{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);padding:34px 26px;text-align:center;color:var(--dim);font-size:14.5px;background:var(--panel);
}
.error-state{border:1px solid rgba(255,61,154,.45);background:rgba(255,61,154,.06);border-radius:var(--radius);padding:20px 24px;color:#FFC7E2;font-size:14.5px}
.success-state{border:1px solid rgba(200,255,61,.45);background:rgba(200,255,61,.06);border-radius:var(--radius);padding:20px 24px;color:#E4FF9A;font-size:14.5px}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  :root{--sp-section:72px}
  .layout{grid-template-columns:1fr;gap:30px;padding-top:48px}
  .rail-sticky{
    position:static;flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:10px;
    scrollbar-width:thin;
  }
  .rail-title{display:none}
  .rail-link{white-space:nowrap;background:var(--panel);border-color:var(--line)}
  .rail-note{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;z-index:110;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#0A0C0E;border-bottom:1px solid var(--line);
    padding:16px 20px 24px;transform:translateY(-140%);transition:transform .3s ease;
    box-shadow:0 24px 44px rgba(0,0,0,.5);
  }
  .main-nav.is-open{transform:translateY(0)}
  .nav-link{padding:14px 12px;font-size:16px}
  .nav-link.is-active::after{left:12px;right:auto;width:26px;bottom:8px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta{display:none}
  .index-grid{grid-template-columns:1fr}
  .rule-panel{grid-template-columns:1fr;padding:26px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .cta-band{padding:38px 26px}
}
@media (max-width:620px){
  :root{--sp-section:48px}
  .container{padding:0 20px}
  .page-hero .container{padding-top:38px;padding-bottom:44px}
  .page-title{font-size:30px}
  .page-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:30px}
  .card-body{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .stat-strip{grid-template-columns:1fr}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:16px 20px;
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .faq-item summary{padding:18px;font-size:15.5px}
  .faq-body{padding:0 18px 20px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0C0E;
  --panel:#12181D;
  --panel-2:#182128;
  --border:#26323A;
  --text:#F3F7F4;
  --text-2:#A9B6B0;
  --text-3:#6F7D77;
  --lime:#C8FF3D;
  --magenta:#FF3D9A;
  --amber:#FFB020;
  --r-xl:24px;
  --r-lg:20px;
  --r:16px;
  --r-sm:12px;
  --shadow:0 14px 34px rgba(0,0,0,.38);
  --shadow-sm:0 6px 18px rgba(0,0,0,.28);
  --glow-lime:0 0 0 1px rgba(200,255,61,.35), 0 12px 34px rgba(200,255,61,.13);
  --glow-magenta:0 0 0 1px rgba(255,61,154,.38), 0 12px 34px rgba(255,61,154,.12);
  --container:1200px;
  --gap:24px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:clamp(18px,2vw,22px);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease;}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(200,255,61,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lime);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--lime);display:block;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,14,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(200,255,61,.22),0 10px 30px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{
  font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap;
  display:inline-flex;align-items:baseline;
}
.logo-accent{color:var(--lime);}
.logo:hover .logo-accent{color:var(--magenta);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.nav-link:hover{color:var(--lime);background:rgba(200,255,61,.06);}
.nav-link:hover::after{opacity:.6;transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(200,255,61,.75);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--border);border-radius:12px;
  background:var(--panel);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1;
  transition:transform .2s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--lime);color:#0A0C0E;box-shadow:0 8px 24px rgba(200,255,61,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(200,255,61,.34);background:#d6ff63;}
.btn-secondary{background:transparent;color:var(--text);border-color:rgba(200,255,61,.5);}
.btn-secondary:hover{transform:translateY(-2px);color:var(--lime);border-color:var(--lime);box-shadow:0 10px 26px rgba(200,255,61,.16);}
.btn-ghost{background:transparent;color:var(--text-2);padding-left:6px;padding-right:6px;}
.btn-ghost:hover{color:var(--lime);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(200,255,61,.1);color:var(--lime);border:1px solid rgba(200,255,61,.3);
}
.badge-magenta{background:rgba(255,61,154,.1);color:var(--magenta);border-color:rgba(255,61,154,.32);}
.badge-amber{background:rgba(255,176,32,.1);color:var(--amber);border-color:rgba(255,176,32,.32);}
.badge-muted{background:rgba(169,182,176,.08);color:var(--text-2);border-color:var(--border);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:84px 0 72px;
  background-image:linear-gradient(180deg,rgba(10,12,14,.86),rgba(10,12,14,.96)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(38,50,58,.36) 1px,transparent 1px),linear-gradient(90deg,rgba(38,50,58,.36) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 28% 18%,#000 0%,transparent 72%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{color:var(--text-3);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;}
.page-hero h1{margin-bottom:20px;}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{color:var(--text-2);font-size:17px;max-width:620px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-chip{
  min-width:150px;padding:14px 18px;border-radius:var(--r);border:1px solid var(--border);
  background:rgba(24,33,40,.72);box-shadow:var(--shadow-sm);
}
.stat-chip strong{display:block;font-size:22px;font-weight:800;color:var(--lime);line-height:1.3;}
.stat-chip span{font-size:13px;color:var(--text-2);}
.hero-panel{
  border:1px solid var(--border);border-radius:var(--r-xl);background:var(--panel);
  overflow:hidden;box-shadow:var(--shadow);
}
.hero-panel img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-panel-body{padding:20px 22px 24px;}
.hero-panel-body h3{font-size:18px;margin-bottom:10px;}
.hero-panel-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.panel-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--text-2);padding:8px 0;border-top:1px dashed var(--border);
}
.panel-list li:first-child{border-top:0;}
.panel-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:9px;flex:0 0 auto;}

/* ---------- Quick strip ---------- */
.quick-strip{border-bottom:1px solid var(--border);background:var(--panel);}
.quick-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.quick-item{padding:26px 24px;border-right:1px solid var(--border);}
.quick-item:last-child{border-right:0;}
.quick-item .k{font-size:12.5px;letter-spacing:.1em;color:var(--text-3);margin-bottom:6px;}
.quick-item .v{font-size:16px;font-weight:600;color:var(--text);}
.quick-item .v small{display:block;font-size:13px;font-weight:400;color:var(--text-2);margin-top:4px;}

/* ---------- Steps ---------- */
.steps-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:start;}
.step-list{position:relative;padding-left:8px;}
.step-item{
  position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;
  padding:0 0 34px 0;
}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:25px;top:52px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(200,255,61,.55),rgba(38,50,58,.2));
}
.step-item:last-child::before{display:none;}
.step-num{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;color:var(--lime);
  background:var(--panel-2);border:1px solid rgba(200,255,61,.34);
  box-shadow:0 0 0 6px rgba(10,12,14,.9);
}
.step-body h3{margin-bottom:8px;}
.step-body p{color:var(--text-2);font-size:15px;}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.step-media{
  position:sticky;top:104px;
  border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow);
}
.step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-media-body{padding:22px 24px 26px;}
.step-media-body h3{font-size:19px;margin-bottom:10px;}
.step-media-body p{font-size:14.5px;color:var(--text-2);}
.tip-inline{
  margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.32);
  color:#f0d9ab;font-size:13.5px;
}
.tip-inline strong{color:var(--amber);}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 26px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(200,255,61,.55);box-shadow:var(--glow-lime);background:var(--panel-2);}
.card h3{margin:16px 0 10px;font-size:19px;}
.card p{color:var(--text-2);font-size:14.5px;}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;background:rgba(200,255,61,.1);color:var(--lime);border:1px solid rgba(200,255,61,.28);
}
.card:nth-child(2) .card-icon{background:rgba(255,61,154,.1);color:var(--magenta);border-color:rgba(255,61,154,.3);}
.card:nth-child(3) .card-icon{background:rgba(255,176,32,.1);color:var(--amber);border-color:rgba(255,176,32,.3);}
.card-list{margin-top:18px;font-size:14px;color:var(--text-2);}
.card-list li{position:relative;padding-left:16px;margin-bottom:8px;}
.card-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--lime);opacity:.7;}

/* ---------- Checklist block ---------- */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;align-items:center;}
.split-media{border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;background:var(--panel);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-item{
  display:grid;grid-template-columns:30px 1fr;gap:16px;align-items:start;
  padding:18px 20px;border-radius:var(--r);background:var(--panel);border:1px solid var(--border);
  transition:border-color .22s ease,background .22s ease;
}
.check-item:hover{border-color:rgba(255,61,154,.45);background:var(--panel-2);}
.check-item .mark{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,255,61,.12);color:var(--lime);font-size:14px;font-weight:800;border:1px solid rgba(200,255,61,.3);
}
.check-item h3{font-size:16.5px;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--text-2);}
.note-strip{
  margin-top:26px;padding:18px 20px;border-radius:var(--r);
  border:1px dashed var(--border);background:rgba(24,33,40,.6);
  font-size:14px;color:var(--text-2);
}
.note-strip strong{color:var(--lime);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.faq-item:hover{border-color:rgba(200,255,61,.4);}
.faq-item[open]{border-color:rgba(200,255,61,.6);box-shadow:var(--glow-lime);background:var(--panel-2);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;position:relative;
  border:1px solid rgba(200,255,61,.4);background:rgba(200,255,61,.08);
  transition:transform .26s ease,background .26s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--lime);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity .26s ease;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(200,255,61,.18);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:14.5px;}
.faq-body p{border-top:1px dashed var(--border);padding-top:16px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(120deg,rgba(200,255,61,.1),rgba(255,61,154,.08)),var(--panel);
  padding:52px 48px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;min-height:48px;
  background:var(--lime);color:#0A0C0E;font-weight:700;font-size:14.5px;
  box-shadow:0 16px 36px rgba(200,255,61,.28);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background .22s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#d6ff63;transform:translateY(-2px);}

/* ---------- Footer ---------- */
.site-footer{
  background:#080A0C;border-top:1px solid var(--border);
  box-shadow:inset 0 1px 0 rgba(200,255,61,.22);
  padding:72px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-size:19px;font-weight:800;margin-bottom:16px;}
.footer-brand span{color:var(--lime);}
.site-footer p{color:var(--text-2);font-size:14px;max-width:380px;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.3px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--lime);}
.footer-note{font-size:13px;color:var(--text-3);margin-top:14px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- Backdrop for mobile nav ---------- */
.nav-backdrop{
  position:fixed;inset:0;background:rgba(5,7,8,.66);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:78;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .hero-grid,.steps-layout,.split,.faq-wrap{grid-template-columns:1fr;gap:40px;}
  .step-media{position:static;}
  .cta-band{grid-template-columns:1fr;padding:44px 34px;}
  .cta-actions{justify-content:flex-start;}
  .quick-strip-inner{grid-template-columns:repeat(2,1fr);}
  .quick-item:nth-child(2){border-right:0;}
  .quick-item:nth-child(1),.quick-item:nth-child(2){border-bottom:1px solid var(--border);}
}
@media (max-width:980px){
  .header-inner{gap:16px;}
  .nav-toggle{display:flex;margin-left:auto;order:3;}
  .header-cta{display:none;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);
    margin:0;padding:88px 22px 32px;flex-direction:column;align-items:stretch;gap:8px;
    background:#0C1114;border-left:1px solid var(--border);
    box-shadow:-20px 0 50px rgba(0,0,0,.5);
    transform:translateX(102%);transition:transform .3s ease;z-index:79;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;border-radius:12px;font-size:16px;background:rgba(24,33,40,.7);border:1px solid transparent;}
  .nav-link::after{display:none;}
  .nav-link.is-active{border-color:rgba(200,255,61,.45);background:rgba(200,255,61,.08);}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .page-hero{padding:60px 0 54px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stat-chip{flex:1 1 100%;min-width:0;}
  .quick-strip-inner{grid-template-columns:1fr;}
  .quick-item{border-right:0;border-bottom:1px solid var(--border);padding:20px 22px;}
  .quick-item:last-child{border-bottom:0;}
  .step-item{grid-template-columns:42px 1fr;gap:16px;}
  .step-num{width:42px;height:42px;border-radius:13px;font-size:15px;}
  .step-item::before{left:20px;top:42px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer p{max-width:none;}
  .float-cta{
    right:16px;left:16px;bottom:16px;justify-content:center;
    border-radius:14px;padding:15px 20px;
  }
}
@media (max-width:520px){
  .container{padding:0 20px;}
  h1{font-size:30px;}
  .page-hero h1{font-size:30px;}
  .cta-band{padding:34px 22px;border-radius:var(--r-lg);}
  .card{padding:22px 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --lime:#C8FF3D;
  --magenta:#FF3D9A;
  --amber:#FFB020;
  --bg:#0A0C0E;
  --panel:#12181D;
  --panel-2:#182128;
  --line:#26323A;
  --text:#F3F7F4;
  --muted:#A9B6B0;
  --dim:#6F7D77;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --glow-lime:0 0 0 1px rgba(200,255,61,.35),0 12px 32px rgba(200,255,61,.12);
  --glow-magenta:0 0 0 1px rgba(255,61,154,.35),0 12px 32px rgba(255,61,154,.12);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,14,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,255,61,.75),rgba(255,61,154,.6),transparent);
  opacity:.7;pointer-events:none;
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.logo-accent{color:var(--lime)}
.logo:hover .logo-accent{color:var(--magenta)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--muted);font-weight:500;transition:all .2s ease;
}
.nav-link:hover{color:var(--lime);background:rgba(200,255,61,.07)}
.nav-link.is-active{color:var(--text);background:rgba(200,255,61,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--lime);box-shadow:0 0 10px rgba(200,255,61,.9);
}
.header-cta{margin-left:8px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
}
.nav-toggle i{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--lime);color:#0A0C0E;box-shadow:0 8px 24px rgba(200,255,61,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(200,255,61,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;border-color:rgba(255,61,154,.55);color:var(--text)}
.btn-secondary:hover{transform:translateY(-2px);background:rgba(255,61,154,.14);border-color:var(--magenta);box-shadow:var(--glow-magenta)}
.btn-ghost{background:transparent;color:var(--muted);padding:13px 14px}
.btn-ghost:hover{color:var(--lime)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:88px 0 76px;
  background-image:linear-gradient(rgba(10,12,14,.88),rgba(10,12,14,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(38,50,58,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(38,50,58,.55) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 25% 20%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 25% 20%,#000 0%,transparent 70%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--dim);margin-bottom:22px}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{color:#3A474F}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--lime);background:rgba(200,255,61,.1);border:1px solid rgba(200,255,61,.35);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime)}
.page-hero h1{
  margin:22px 0 20px;font-size:52px;font-weight:800;letter-spacing:.5px;max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.lead{max-width:720px;font-size:17px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:42px}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px;border-radius:14px;font-size:13.5px;color:var(--muted);
  background:rgba(18,24,29,.85);border:1px solid var(--line);
}
.chip b{color:var(--text);font-weight:700}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px rgba(255,176,32,.8)}
.chip .dot.m{background:var(--magenta);box-shadow:0 0 8px rgba(255,61,154,.8)}
.chip .dot.l{background:var(--lime);box-shadow:0 0 8px rgba(200,255,61,.8)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:linear-gradient(180deg,rgba(18,24,29,.55),rgba(10,12,14,0) 70%)}
.section-head{max-width:780px;margin-bottom:46px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--magenta);text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:34px}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(200,255,61,.45);box-shadow:var(--shadow-hover)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.icon-box{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,255,61,.1);color:var(--lime);border:1px solid rgba(200,255,61,.3);margin-bottom:18px;
}
.icon-box.m{background:rgba(255,61,154,.1);color:var(--magenta);border-color:rgba(255,61,154,.32)}
.icon-box.a{background:rgba(255,176,32,.1);color:var(--amber);border-color:rgba(255,176,32,.32)}
.icon-box svg{width:22px;height:22px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--muted);background:rgba(38,50,58,.6);border:1px solid var(--line);
}
.tag.is-lime{color:var(--lime);border-color:rgba(200,255,61,.35);background:rgba(200,255,61,.08)}
.tag.is-magenta{color:#FF7BBE;border-color:rgba(255,61,154,.35);background:rgba(255,61,154,.08)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 24px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1px;
  color:var(--lime);margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14.5px}
.step:hover{border-color:rgba(200,255,61,.45)}
.step-line{height:1px;background:linear-gradient(90deg,rgba(200,255,61,.5),rgba(255,61,154,.4),transparent);margin:0 0 34px}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,14,0) 40%,rgba(10,12,14,.65));
  pointer-events:none;
}
.split-media .media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
}
.list-check{display:grid;gap:14px;margin-top:26px}
.list-check li{display:flex;gap:12px;align-items:flex-start;color:var(--muted);font-size:15.2px}
.list-check li strong{color:var(--text)}
.check{
  flex:none;width:22px;height:22px;margin-top:4px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(200,255,61,.12);border:1px solid rgba(200,255,61,.4);
}
.check svg{width:13px;height:13px;color:var(--lime)}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.form-panel{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-xl);padding:34px;
}
.form-panel h3{font-size:22px;margin-bottom:8px}
.form-panel .form-intro{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--muted);margin-bottom:8px}
.field .req{color:var(--magenta);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;background:#0E1417;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 15px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,255,61,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#55635D}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--magenta);box-shadow:0 0 0 3px rgba(255,61,154,.14);
}
.err-msg{display:none;margin-top:7px;font-size:13px;color:#FF7BBE}
.field.has-error .err-msg{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.consent{display:flex;gap:12px;align-items:flex-start;margin:4px 0 24px;font-size:13.8px;color:var(--muted)}
.consent input{width:18px;height:18px;margin-top:4px;accent-color:var(--lime);flex:none}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-hint{font-size:13px;color:var(--dim)}
.form-status{margin-top:22px;border-radius:var(--radius);padding:16px 18px;font-size:14.5px;display:none;gap:10px;align-items:flex-start}
.form-status.is-success{display:flex;background:rgba(200,255,61,.09);border:1px solid rgba(200,255,61,.4);color:#DDF5A5}
.form-status.is-error{display:flex;background:rgba(255,61,154,.09);border:1px solid rgba(255,61,154,.42);color:#FFB6D8}
.side-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:30px;position:sticky;top:96px;
}
.side-panel h3{font-size:18px;margin-bottom:18px}
.side-panel img{border-radius:var(--radius);margin-bottom:20px;aspect-ratio:16/10;object-fit:cover;width:100%}
.info-list{display:grid;gap:16px}
.info-list li{display:flex;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px dashed var(--line);font-size:14.5px}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list span:first-child{color:var(--dim)}
.info-list span:last-child{color:var(--text);font-weight:600;text-align:right}
.side-note{margin-top:22px;font-size:13.5px;color:var(--dim);line-height:1.7}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(200,255,61,.35)}
.faq-item.is-open{border-color:rgba(200,255,61,.55);box-shadow:var(--glow-lime)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);transition:color .2s ease;
}
.faq-q:hover{color:var(--lime)}
.faq-icon{position:relative;flex:none;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--lime);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;border-top:1px solid rgba(38,50,58,.7);margin-top:0;padding-top:16px}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:28px;border-left:1px solid var(--line);display:grid;gap:26px}
.timeline li{position:relative}
.timeline li::before{
  content:"";position:absolute;left:-35px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);box-shadow:0 0 10px rgba(200,255,61,.7);
}
.timeline h3{font-size:17px;margin-bottom:6px}
.timeline p{color:var(--muted);font-size:14.8px}

/* ---------- cta ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(200,255,61,.09),rgba(255,61,154,.09)),var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-xl);padding:46px 44px;
}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band p{color:var(--muted);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:#080A0C;border-top:1px solid var(--line);padding:66px 0 28px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,255,61,.6),rgba(255,61,154,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{font-size:20px;font-weight:800;margin-bottom:14px}
.footer-brand span{color:var(--lime)}
.site-footer p{color:var(--muted);font-size:14.4px;line-height:1.75}
.footer-col h3{font-size:15px;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{color:var(--muted);font-size:14.4px}
.footer-col ul a:hover{color:var(--lime)}
.footer-note{margin-top:16px;color:var(--dim);font-size:13.4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--dim);font-size:13.4px;
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--lime);color:#0A0C0E;box-shadow:0 14px 40px rgba(200,255,61,.28);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:46px}
  .section-title{font-size:31px}
}
@media (max-width:1024px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    margin-left:0;padding:16px 20px 26px;
    background:var(--panel);border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.55);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .22s ease,opacity .22s ease;
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 14px;border-radius:12px;font-size:16px}
  .nav-link.is-active::after{left:14px;right:auto;width:26px;bottom:8px}
  .header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .form-wrap{grid-template-columns:1fr}
  .side-panel{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:76px 0}
  .section--tight{padding:58px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero{padding:64px 0 58px}
  .page-hero h1{font-size:34px}
  .lead{font-size:16px}
  .section-title{font-size:26px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:34px 26px}
  .cta-band h2{font-size:24px}
  .form-panel{padding:26px 22px}
  .side-panel{padding:24px 22px}
  .hero-actions .btn{width:100%}
  .float-cta{right:0;left:0;bottom:0;justify-content:center;border-radius:0;padding:16px 20px}
}
@media (max-width:520px){
  .logo{font-size:17px}
  .header-inner{gap:14px;height:66px}
  .main-nav{top:66px}
  .page-hero h1{font-size:28px}
  .section{padding:58px 0}
  .section-title{font-size:23px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .chip{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}