/* roulang page: index */
:root{
  --bg-900:#07070d;
  --bg-800:#0e0e1e;
  --bg-700:#15152b;
  --panel:#12132a;
  --panel-2:#191a36;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(163,230,53,.28);
  --txt:#ffffff;
  --txt-soft:#c7ccdc;
  --txt-mute:#94a3b8;
  --volt:#a3e635;
  --cyan:#06b6d4;
  --pink:#f43f5e;
  --gold:#f59e0b;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-neon:0 0 22px rgba(6,182,212,.35);
  --shadow-volt:0 0 20px rgba(163,230,53,.35);
  --space:clamp(48px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--volt)}
h1,h2,h3,h4{margin:0 0 .6rem;font-weight:800;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(1.85rem,4.2vw,3.1rem)}
h2{font-size:clamp(1.4rem,2.8vw,2.1rem)}
h3{font-size:clamp(1.05rem,1.7vw,1.3rem)}
p{margin:0 0 1rem;color:var(--txt-soft);line-height:1.7}
ul{margin:0;padding-left:1.1rem}
li{margin-bottom:.4rem;color:var(--txt-soft)}
.container{width:min(1200px,92%);margin-inline:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);font-weight:700;
  padding:.35rem .8rem;border:1px solid var(--line-strong);
  border-radius:999px;background:rgba(163,230,53,.07);
}
.sec{padding:var(--space) 0;position:relative}
.sec-alt{background:linear-gradient(180deg,var(--bg-800),var(--bg-900))}
.sec-panel{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:2.4rem}
.sec-head p{font-size:1.02rem}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}

/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.98rem;max-width:290px}
.brand .mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:1.05rem;
  box-shadow:var(--shadow-volt);
}
.brand span{line-height:1.2;color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;font-weight:600;color:var(--txt-soft);
  padding:.5rem .75rem;border-radius:999px;transition:.2s;
}
.nav-links a:hover{background:rgba(163,230,53,.1);color:var(--volt)}
.nav-links a.active{background:rgba(6,182,212,.14);color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.btn-ghost{
  font-size:.84rem;font-weight:700;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.5rem 1rem;background:transparent;transition:.2s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(163,230,53,.12);color:var(--volt)}
.btn-solid{
  font-size:.84rem;font-weight:800;border:0;border-radius:999px;
  padding:.55rem 1.15rem;white-space:nowrap;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  color:#06111a;transition:.2s;box-shadow:var(--shadow-volt);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);color:#06111a}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  padding:.68rem 1.3rem;transition:.2s;background:rgba(255,255,255,.03);
}
.btn-outline:hover{border-color:var(--cyan);box-shadow:var(--shadow-neon);color:var(--txt)}
.btn-lg-solid{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.95rem;font-weight:800;color:#06111a;border:0;
  border-radius:999px;padding:.85rem 1.7rem;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.2s;
}
.btn-lg-solid:hover{transform:translateY(-2px);color:#06111a}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:var(--txt);width:42px;height:42px;border-radius:12px;font-size:1rem;
}

/* ticker */
.ticker{
  background:linear-gradient(90deg,rgba(244,63,94,.18),rgba(6,182,212,.18));
  border-bottom:1px solid var(--line);
  font-size:.82rem;color:var(--txt-soft);
  padding:.5rem 0;overflow:hidden;
}
.ticker .container{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--volt);box-shadow:0 0 10px var(--volt);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.count-down{font-weight:800;color:var(--volt);font-variant-numeric:tabular-nums}

/* hero */
.hero{
  position:relative;padding:clamp(56px,8vw,110px) 0 clamp(48px,6vw,84px);
  background:
    linear-gradient(120deg,rgba(7,7,13,.94) 0%,rgba(7,7,13,.78) 45%,rgba(14,14,30,.72) 100%),
    url('/assets/images/d9822b86ba7a63a9.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{margin-bottom:1rem}
.hero h1 .kw{background:linear-gradient(90deg,var(--volt),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.05rem;max-width:60ch}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0 1.6rem}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;max-width:520px}
.fact{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius);padding:.85rem 1rem;
}
.fact b{display:block;font-size:1.15rem;color:var(--volt)}
.fact small{color:var(--txt-mute);font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}
.console{
  background:linear-gradient(180deg,rgba(14,14,30,.94),rgba(7,7,13,.94));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;
}
.console-bar{
  display:flex;align-items:center;gap:.45rem;
  padding:.75rem 1rem;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.console-bar .c-dot{width:10px;height:10px;border-radius:50%;background:var(--pink)}
.console-bar .c-dot:nth-child(2){background:var(--gold)}
.console-bar .c-dot:nth-child(3){background:var(--volt)}
.console-bar span{margin-left:auto;font-size:.72rem;color:var(--txt-mute);letter-spacing:.1em;text-transform:uppercase}
.console-body{padding:1.1rem 1.25rem 1.35rem}
.code-block{
  background:#05050c;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:1rem;font-family:"SFMono-Regular",Consolas,monospace;
  font-size:.82rem;color:#d7e3f4;overflow-x:auto;line-height:1.7;
}
.code-block .c-key{color:var(--cyan)}
.code-block .c-str{color:var(--volt)}
.code-block .c-com{color:#6b7a95}
.console-list{list-style:none;padding:0;margin:1rem 0 0}
.console-list li{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.55rem 0;border-bottom:1px dashed var(--line);
  font-size:.86rem;
}
.console-list li:last-child{border-bottom:0}
.console-list b{color:var(--volt);font-variant-numeric:tabular-nums}

/* grids & cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;transition:.25s;height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:.9rem;
}
.card.v .ico{background:rgba(163,230,53,.12);color:var(--volt)}
.card.p .ico{background:rgba(244,63,94,.12);color:var(--pink)}
.card.g .ico{background:rgba(245,158,11,.12);color:var(--gold)}
.card p{font-size:.92rem;margin-bottom:0}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;
  background:rgba(6,182,212,.14);color:var(--cyan);margin-bottom:.7rem;
}
.tag.volt{background:rgba(163,230,53,.14);color:var(--volt)}
.tag.pink{background:rgba(244,63,94,.14);color:var(--pink)}
.tag.gold{background:rgba(245,158,11,.14);color:var(--gold)}

/* spec table */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:.9rem}
table.spec th,table.spec td{padding:.9rem 1.1rem;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{
  background:rgba(255,255,255,.04);color:var(--volt);
  font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;
}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec tbody tr:hover{background:rgba(6,182,212,.05)}
table.spec td:first-child{color:var(--txt);font-weight:600}

/* case / shot */
.case{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,42px);align-items:center;
}
.case-media{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.case-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.case-media .badge-float{
  position:absolute;left:14px;bottom:14px;font-size:.74rem;font-weight:700;
  padding:.35rem .75rem;border-radius:999px;
  background:rgba(7,7,13,.85);border:1px solid var(--line-strong);color:var(--volt);
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.4rem}
.stat-row div{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-s);padding:.8rem 1rem}
.stat-row b{display:block;color:var(--cyan);font-size:1.15rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem;counter-reset:st}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;position:relative}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  display:inline-block;font-size:.8rem;font-weight:800;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:8px;padding:.15rem .5rem;margin-bottom:.8rem;
}
.step p{font-size:.9rem;margin:0}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:.85rem;overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:var(--txt);
  font-weight:700;font-size:.96rem;padding:1.05rem 1.25rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;
}
.faq-q i{color:var(--volt);transition:.25s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 1.25rem 1.15rem;margin:0;font-size:.92rem}
.faq-item.open .faq-a{max-height:340px}

/* cms list */
.cms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.3rem}
.cms-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;height:100%;
}
.cms-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.cms-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cms-thumb{width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,var(--bg-700),var(--panel-2));display:grid;place-items:center;color:var(--txt-mute)}
.cms-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.cms-body h3{font-size:1.02rem;margin:0}
.cms-body p{font-size:.88rem;margin:0;color:var(--txt-mute)}
.cms-meta{display:flex;gap:.7rem;flex-wrap:wrap;font-size:.74rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em}
.cms-meta span{display:inline-flex;align-items:center;gap:.3rem}
.empty-note{padding:1.4rem;border:1px dashed var(--line);border-radius:var(--radius);color:var(--txt-mute);text-align:center}
.more-row{margin-top:1.8rem}

/* partner badges */
.partner-row{display:flex;flex-wrap:wrap;gap:.7rem}
.partner-row span{
  font-size:.82rem;font-weight:600;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;
  background:rgba(255,255,255,.03);
}

/* lead form */
.lead{
  background:linear-gradient(135deg,var(--bg-700),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(24px,4vw,44px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-grid .full{grid-column:1/-1}
label{font-size:.82rem;font-weight:700;color:var(--txt-soft);display:block;margin-bottom:.35rem}
input,select,textarea{
  width:100%;background:#05050c;border:1px solid var(--line);
  border-radius:var(--radius-s);padding:.75rem .9rem;color:var(--txt);
  font-size:.9rem;font-family:inherit;transition:.2s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(6,182,212,.16)}
.form-note{font-size:.78rem;color:var(--txt-mute);margin-top:.7rem}

/* footer */
.site-footer{background:var(--bg-800);border-top:1px solid var(--line);padding:clamp(40px,6vw,70px) 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;margin-bottom:.9rem}
.foot-brand .mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--volt),var(--cyan));color:#06111a;
}
.site-footer h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--txt-mute);margin-bottom:.9rem}
.site-footer ul{list-style:none;padding:0}
.site-footer li{margin-bottom:.5rem}
.site-footer li a{font-size:.9rem;color:var(--txt-soft)}
.foot-bottom{
  margin-top:2.4rem;border-top:1px solid var(--line);padding:1.2rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.8rem;color:var(--txt-mute);
}
.age-badge{
  display:inline-block;border:1px solid var(--pink);color:var(--pink);
  font-weight:800;font-size:.72rem;border-radius:999px;padding:.15rem .55rem;margin-right:.5rem;
}

/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;font-size:1.15rem;color:#06111a;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.25s;opacity:.85;
}
.fab:hover{transform:scale(1.1);opacity:1;color:#06111a;animation:spin 1s ease}
@keyframes spin{from{transform:rotate(0) scale(1.1)}to{transform:rotate(360deg) scale(1.1)}}
.fab .gem{
  position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);border:2px solid #fff;
}

/* bottom bar */
.bottom-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(7,7,13,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
  padding:.6rem 0;
}
.bottom-cta .container{display:flex;align-items:center;gap:1rem;justify-content:space-between;flex-wrap:wrap}
.bottom-cta p{margin:0;font-size:.85rem;color:var(--txt-soft)}
.bottom-cta .btn-lg-solid{font-size:.84rem;padding:.6rem 1.3rem}

@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.steps,.cms-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:.6rem 4%;
  }
  .nav-links.show{display:flex}
  .nav-links a{padding:.7rem .5rem}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-cta{display:none}
  .grid-3,.grid-4,.steps,.cms-grid,.grid-2,.form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .stat-row{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr}
  .bottom-cta .container{justify-content:center;text-align:center}
}
@media(max-width:520px){
  body{font-size:15px}
  .brand span{font-size:.85rem}
  .foot-grid{grid-template-columns:1fr}
  .fab{width:50px;height:50px;left:12px;bottom:88px}
}

/* roulang page: article */
:root{
  --bg-900:#07070d;
  --bg-800:#0e0e1e;
  --bg-700:#15152b;
  --panel:#12132a;
  --panel-2:#191a36;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(163,230,53,.28);
  --txt:#ffffff;
  --txt-soft:#c7ccdc;
  --txt-mute:#94a3b8;
  --volt:#a3e635;
  --cyan:#06b6d4;
  --pink:#f43f5e;
  --gold:#f59e0b;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-neon:0 0 22px rgba(6,182,212,.35);
  --shadow-volt:0 0 20px rgba(163,230,53,.35);
  --space:clamp(48px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--volt)}
h1,h2,h3,h4{font-weight:800;line-height:1.28;margin:0}
p{margin:0 0 1rem}
.container{width:min(1200px,92%);margin-inline:auto}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);font-weight:700;
  padding:.35rem .8rem;border:1px solid var(--line-strong);
  border-radius:999px;background:rgba(163,230,53,.07);
}
/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.98rem;max-width:290px}
.brand .mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:1.05rem;
  box-shadow:var(--shadow-volt);
}
.brand span{line-height:1.2;color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;font-weight:600;color:var(--txt-soft);
  padding:.5rem .75rem;border-radius:999px;transition:.2s;
}
.nav-links a:hover{background:rgba(163,230,53,.1);color:var(--volt)}
.nav-links a.active{background:rgba(6,182,212,.14);color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.btn-ghost{
  font-size:.84rem;font-weight:700;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.5rem 1rem;background:transparent;transition:.2s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(163,230,53,.12);color:var(--volt)}
.btn-solid{
  font-size:.84rem;font-weight:800;border:0;border-radius:999px;
  padding:.55rem 1.15rem;white-space:nowrap;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  color:#06111a;transition:.2s;box-shadow:var(--shadow-volt);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);color:#06111a}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  padding:.68rem 1.3rem;transition:.2s;background:rgba(255,255,255,.03);
}
.btn-outline:hover{border-color:var(--cyan);box-shadow:var(--shadow-neon);color:var(--txt)}
.btn-lg-solid{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.95rem;font-weight:800;color:#06111a;border:0;
  border-radius:999px;padding:.85rem 1.7rem;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.2s;
}
.btn-lg-solid:hover{transform:translateY(-2px);color:#06111a}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:var(--txt);width:42px;height:42px;border-radius:12px;font-size:1rem;
}
/* article layout */
.article-hero{
  position:relative;
  padding:clamp(40px,6vw,76px) 0 clamp(34px,5vw,58px);
  background:
    linear-gradient(120deg,rgba(7,7,13,.95) 0%,rgba(7,7,13,.8) 48%,rgba(14,14,30,.74) 100%),
    url('/assets/images/5e8e053803b55e6e.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero .meta-line{
  display:flex;flex-wrap:wrap;gap:.7rem 1.2rem;align-items:center;
  font-size:.82rem;color:var(--txt-mute);margin-bottom:1rem;
}
.article-hero h1{
  font-size:clamp(1.55rem,3.4vw,2.5rem);
  max-width:26ch;margin-bottom:1rem;
}
.article-hero h1 .kw{
  background:linear-gradient(90deg,var(--volt),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-hero .lead{font-size:1.02rem;max-width:64ch;color:var(--txt-soft)}
.article-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.3rem}
.crumb{font-size:.8rem;color:var(--txt-mute);margin-bottom:.9rem}
.crumb a:hover{color:var(--cyan)}
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:clamp(24px,3.5vw,46px);align-items:start;
  padding:var(--space) 0;
}
.prose{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(20px,3vw,38px);
}
.prose h2{
  font-size:clamp(1.25rem,2.2vw,1.7rem);
  margin:2.2rem 0 .9rem;padding-left:.85rem;
  border-left:4px solid var(--volt);line-height:1.3;
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.12rem;margin:1.7rem 0 .65rem;color:var(--cyan)}
.prose p{color:var(--txt-soft);font-size:.98rem}
.prose ul,.prose ol{color:var(--txt-soft);font-size:.98rem;padding-left:1.25rem;margin:0 0 1.1rem}
.prose li{margin-bottom:.45rem}
.prose strong{color:var(--txt)}
.prose img{border-radius:var(--radius);border:1px solid var(--line);margin:1.2rem 0}
.prose table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line);padding:.6rem .75rem;text-align:left;color:var(--txt-soft)}
.prose th{background:rgba(6,182,212,.1);color:var(--txt)}
.prose blockquote{
  margin:1.2rem 0;padding:1rem 1.2rem;border-left:3px solid var(--cyan);
  background:rgba(6,182,212,.07);border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--txt-soft);font-size:.95rem;
}
.side-stack{display:grid;gap:1.2rem}
.side-box{
  background:linear-gradient(180deg,var(--panel-2),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem;
}
.side-box h3{font-size:1rem;margin-bottom:.85rem;color:var(--txt)}
.side-box p{font-size:.88rem;color:var(--txt-mute);margin-bottom:.9rem}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{
  display:flex;justify-content:space-between;gap:.8rem;
  padding:.5rem 0;border-bottom:1px dashed var(--line);font-size:.85rem;color:var(--txt-soft);
}
.side-list li:last-child{border-bottom:0}
.side-list b{color:var(--volt);font-variant-numeric:tabular-nums}
.mini-card{
  display:flex;gap:.8rem;align-items:flex-start;
  padding:.7rem 0;border-bottom:1px dashed var(--line);
}
.mini-card:last-child{border-bottom:0}
.mini-card .thumb{
  width:64px;height:56px;flex:0 0 64px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover}
.mini-card span{font-size:.87rem;color:var(--txt-soft);line-height:1.45;display:block}
.section{padding:var(--space) 0;border-top:1px solid var(--line)}
.section-head{max-width:70ch;margin-bottom:2rem}
.section-head h2{font-size:clamp(1.4rem,2.6vw,2rem);margin:.7rem 0 .7rem}
.section-head p{color:var(--txt-mute);font-size:.95rem}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;transition:.25s;height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:.9rem;
}
.card.v .ico{background:rgba(163,230,53,.12);color:var(--volt)}
.card.p .ico{background:rgba(244,63,94,.12);color:var(--pink)}
.card.g .ico{background:rgba(245,158,11,.12);color:var(--gold)}
.card p{font-size:.92rem;color:var(--txt-mute);margin-bottom:0}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;
  background:rgba(6,182,212,.14);color:var(--cyan);margin-bottom:.7rem;
}
.tag.volt{background:rgba(163,230,53,.14);color:var(--volt)}
.tag.pink{background:rgba(244,63,94,.14);color:var(--pink)}
.tag.gold{background:rgba(245,158,11,.14);color:var(--gold)}
.faq-item{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.2rem 1.4rem;margin-bottom:1rem;
}
.faq-item h3{font-size:1rem;margin-bottom:.6rem;color:var(--txt)}
.faq-item p{font-size:.92rem;color:var(--txt-mute);margin-bottom:0}
.cta-band{
  background:
    linear-gradient(115deg,rgba(7,7,13,.92),rgba(14,14,30,.82)),
    url('/assets/images/19c787c0d44bd3f8.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:clamp(26px,4vw,52px);text-align:center;
}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,2rem);margin-bottom:.8rem}
.cta-band p{color:var(--txt-soft);max-width:62ch;margin:0 auto 1.4rem}
.not-found{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(26px,4vw,50px);text-align:center;
}
.not-found h2{font-size:clamp(1.3rem,2.4vw,1.8rem);margin-bottom:.8rem}
.not-found p{color:var(--txt-mute);margin-bottom:1.2rem}
/* footer */
.site-footer{
  background:linear-gradient(180deg,var(--bg-800),var(--bg-900));
  border-top:1px solid var(--line);padding:var(--space) 0 2rem;margin-top:2rem;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;margin-bottom:.9rem}
.foot-brand .mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--volt),var(--cyan));color:#06111a;
}
.site-footer p{color:var(--txt-mute);font-size:.9rem}
.site-footer h4{font-size:.95rem;margin-bottom:.9rem;color:var(--txt)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.5rem}
.site-footer li a{font-size:.88rem;color:var(--txt-mute);transition:.2s}
.site-footer li a:hover{color:var(--volt)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--txt-mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:30px;height:30px;
  border-radius:999px;border:1px solid var(--line-strong);
  color:var(--volt);font-size:.7rem;font-weight:800;margin-right:.5rem;
}
/* FAB */
.fab{
  position:fixed;left:1rem;bottom:24px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;font-size:1.15rem;color:#06111a;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  border:2px solid rgba(255,255,255,.18);
  box-shadow:var(--shadow-volt);opacity:.82;transition:.25s;
  animation:fabFloat 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{
  position:absolute;top:4px;right:4px;width:11px;height:11px;border-radius:999px;
  background:var(--pink);box-shadow:0 0 0 2px #fff;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* responsive */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:flex-start;
    gap:.2rem;padding:.7rem 0 1rem;margin-left:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:.65rem .8rem}
  .nav-cta{width:100%;justify-content:flex-start;padding-bottom:.8rem}
  .nav-inner{flex-wrap:wrap}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}
@media (max-width:520px){
  .article-hero h1{max-width:none}
  .brand{font-size:.9rem;max-width:220px}
}

/* roulang page: category1 */
:root{
  --bg-900:#07070d;
  --bg-800:#0e0e1e;
  --bg-700:#15152b;
  --panel:#12132a;
  --panel-2:#191a36;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(163,230,53,.28);
  --txt:#ffffff;
  --txt-soft:#c7ccdc;
  --txt-mute:#94a3b8;
  --volt:#a3e635;
  --cyan:#06b6d4;
  --pink:#f43f5e;
  --gold:#f59e0b;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-neon:0 0 22px rgba(6,182,212,.35);
  --shadow-volt:0 0 20px rgba(163,230,53,.35);
  --space:clamp(48px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--volt)}
h1,h2,h3,h4{line-height:1.25;font-weight:800;margin:0 0 .7rem}
h1{font-size:clamp(1.7rem,3.6vw,2.7rem)}
h2{font-size:clamp(1.35rem,2.4vw,2rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.28rem)}
p{color:var(--txt-soft);line-height:1.68}
.container{width:min(1200px,92%);margin-inline:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);font-weight:700;
  padding:.35rem .8rem;border:1px solid var(--line-strong);
  border-radius:999px;background:rgba(163,230,53,.07);
}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.section{padding:var(--space) 0;position:relative}
.section.alt{background:linear-gradient(180deg,var(--bg-900),var(--bg-800) 60%,var(--bg-900))}
.section-head{max-width:760px;margin-bottom:2.2rem}
.section-head.center{margin-inline:auto;text-align:center}
.lead{font-size:1.02rem;color:var(--txt-soft)}

/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.98rem;max-width:290px}
.brand .mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:1.05rem;
  box-shadow:var(--shadow-volt);
}
.brand span{line-height:1.2;color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;font-weight:600;color:var(--txt-soft);
  padding:.5rem .75rem;border-radius:999px;transition:.2s;
}
.nav-links a:hover{background:rgba(163,230,53,.1);color:var(--volt)}
.nav-links a.active{background:rgba(6,182,212,.14);color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.btn-ghost{
  font-size:.84rem;font-weight:700;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.5rem 1rem;background:transparent;transition:.2s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(163,230,53,.12);color:var(--volt)}
.btn-solid{
  font-size:.84rem;font-weight:800;border:0;border-radius:999px;
  padding:.55rem 1.15rem;white-space:nowrap;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  color:#06111a;transition:.2s;box-shadow:var(--shadow-volt);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);color:#06111a}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  padding:.68rem 1.3rem;transition:.2s;background:rgba(255,255,255,.03);
}
.btn-outline:hover{border-color:var(--cyan);box-shadow:var(--shadow-neon);color:var(--txt)}
.btn-lg-solid{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.95rem;font-weight:800;color:#06111a;border:0;
  border-radius:999px;padding:.85rem 1.7rem;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.2s;
}
.btn-lg-solid:hover{transform:translateY(-2px);color:#06111a}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:var(--txt);width:42px;height:42px;border-radius:12px;font-size:1rem;
}

/* category hero */
.cat-hero{
  position:relative;padding:clamp(52px,7vw,96px) 0 clamp(40px,5vw,72px);
  background:
    linear-gradient(120deg,rgba(7,7,13,.95) 0%,rgba(7,7,13,.8) 48%,rgba(14,14,30,.7) 100%),
    url('/assets/images/5e8e053803b55e6e.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,54px);align-items:center}
.cat-hero h1{margin-bottom:1rem}
.cat-hero h1 .kw{background:linear-gradient(90deg,var(--volt),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero-lead{font-size:1.04rem;max-width:58ch}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0 1.5rem}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;max-width:540px}
.fact{
  background:rgba(18,19,42,.72);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:.7rem .8rem;
}
.fact b{display:block;font-size:1.2rem;color:var(--volt);font-variant-numeric:tabular-nums}
.fact span{font-size:.76rem;color:var(--txt-mute);letter-spacing:.04em}
.status-panel{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;
}
.status-head{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem 1.25rem;border-bottom:1px solid var(--line);
  background:rgba(6,182,212,.06);
}
.status-head h3{margin:0;font-size:1rem}
.pulse-dot{
  width:10px;height:10px;border-radius:50%;background:var(--volt);
  box-shadow:0 0 0 4px rgba(163,230,53,.18);display:inline-block;
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.status-body{padding:1rem 1.25rem 1.35rem}
.status-list{list-style:none;padding:0;margin:0}
.status-list li{
  display:flex;justify-content:space-between;gap:1rem;align-items:center;
  padding:.6rem 0;border-bottom:1px dashed var(--line);font-size:.88rem;
}
.status-list li:last-child{border-bottom:0}
.status-list b{color:var(--volt);font-variant-numeric:tabular-nums}
.badge-ok{
  font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:.2rem .55rem;border-radius:999px;background:rgba(163,230,53,.16);color:var(--volt);
}
.badge-wait{
  font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:.2rem .55rem;border-radius:999px;background:rgba(245,158,11,.16);color:var(--gold);
}

/* grids */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;transition:.25s;height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:.9rem;
}
.card.v .ico{background:rgba(163,230,53,.12);color:var(--volt)}
.card.p .ico{background:rgba(244,63,94,.12);color:var(--pink)}
.card.g .ico{background:rgba(245,158,11,.12);color:var(--gold)}
.card p{font-size:.92rem;margin-bottom:0}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;
  background:rgba(6,182,212,.14);color:var(--cyan);margin-bottom:.7rem;
}
.tag.volt{background:rgba(163,230,53,.14);color:var(--volt)}
.tag.pink{background:rgba(244,63,94,.14);color:var(--pink)}
.tag.gold{background:rgba(245,158,11,.14);color:var(--gold)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem;counter-reset:step}
.step{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.4rem 1.4rem;background:rgba(18,19,42,.6);transition:.25s;
}
.step:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:-16px;left:1.2rem;
  font-size:.82rem;font-weight:800;letter-spacing:.08em;color:#06111a;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  border-radius:999px;padding:.28rem .7rem;box-shadow:var(--shadow-volt);
}
.step h3{margin-top:.5rem}
.step p{margin-bottom:0;font-size:.9rem}

/* compare */
.compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line)}
.compare th,.compare td{padding:.9rem 1.1rem;font-size:.9rem;border-bottom:1px solid var(--line);text-align:left}
.compare thead th{background:rgba(6,182,212,.08);color:var(--txt);font-weight:800;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
.compare tbody tr:last-child td{border-bottom:0}
.compare td b{color:var(--volt)}
.compare td.muted{color:var(--txt-mute)}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.news-card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.25s;height:100%;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-700)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.news-meta{display:flex;gap:.6rem;align-items:center;font-size:.74rem;color:var(--txt-mute);letter-spacing:.04em}
.news-body h3{font-size:1.02rem;margin:0}
.news-body p{font-size:.88rem;margin:0}
.news-more{margin-top:auto;font-size:.84rem;font-weight:700;color:var(--cyan)}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:2rem;text-align:center;color:var(--txt-mute);font-size:.92rem;
}
.list-more{display:flex;justify-content:center;margin-top:2rem}

/* faq */
.faq{display:grid;gap:.8rem;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(18,19,42,.6);padding:1rem 1.25rem;transition:.2s;
}
.faq details[open]{border-color:var(--line-strong);box-shadow:var(--shadow)}
.faq summary{
  cursor:pointer;font-weight:700;font-size:.98rem;color:var(--txt);
  list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--volt);font-size:.8rem}
.faq details[open] summary::after{content:"\f068"}
.faq p{margin:.8rem 0 0;font-size:.9rem}

/* cta band */
.cta-band{
  background:linear-gradient(120deg,rgba(6,182,212,.14),rgba(163,230,53,.1));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:clamp(28px,4vw,48px);text-align:center;
}
.cta-band h2{margin-bottom:.6rem}
.cta-band p{max-width:62ch;margin-inline:auto}
.cta-band .hero-actions{justify-content:center;margin-bottom:0}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-800);padding:clamp(36px,5vw,64px) 0 1.6rem;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;margin-bottom:.7rem}
.foot-brand .mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:.95rem;
}
.site-footer h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:.9rem}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.site-footer ul a{font-size:.9rem;color:var(--txt-soft)}
.site-footer ul a:hover{color:var(--volt)}
.foot-grid p{font-size:.9rem}
.foot-bottom{
  margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.82rem;color:var(--txt-mute);align-items:center;
}
.age-badge{
  display:inline-block;font-size:.72rem;font-weight:800;color:var(--gold);
  border:1px solid rgba(245,158,11,.5);border-radius:999px;
  padding:.1rem .5rem;margin-right:.5rem;
}

/* fab */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.7rem 1rem;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line-strong);color:var(--txt);
  font-size:.84rem;font-weight:700;box-shadow:var(--shadow-neon);
  opacity:.8;transition:.25s;
}
.fab:hover{opacity:1;transform:translateY(-2px);color:var(--volt);box-shadow:0 0 26px rgba(163,230,53,.45)}
.fab .dot{width:10px;height:10px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px rgba(244,63,94,.22)}

@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:.2rem;
    padding:.8rem 4%;display:none;
  }
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .brand{max-width:none}
}
@media (max-width:640px){
  .grid-4,.grid-3,.grid-2,.news-grid{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .compare th,.compare td{padding:.7rem .8rem;font-size:.84rem}
  .fab{bottom:5rem;font-size:.78rem}
}

/* roulang page: category2 */
:root{
  --bg-900:#07070d;
  --bg-800:#0e0e1e;
  --bg-700:#15152b;
  --panel:#12132a;
  --panel-2:#191a36;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(163,230,53,.28);
  --txt:#ffffff;
  --txt-soft:#c7ccdc;
  --txt-mute:#94a3b8;
  --volt:#a3e635;
  --cyan:#06b6d4;
  --pink:#f43f5e;
  --gold:#f59e0b;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-neon:0 0 22px rgba(6,182,212,.35);
  --shadow-volt:0 0 20px rgba(163,230,53,.35);
  --space:clamp(48px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--volt)}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 .7rem}
h2{font-size:clamp(1.4rem,3vw,2rem)}
h3{font-size:1.1rem}
p{margin:0 0 .9rem;color:var(--txt-soft)}
.container{width:min(1200px,92%);margin-inline:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);font-weight:700;
  padding:.35rem .8rem;border:1px solid var(--line-strong);
  border-radius:999px;background:rgba(163,230,53,.07);
}
.section{padding:var(--space) 0}
.section-alt{background:linear-gradient(180deg,var(--bg-800),var(--bg-900))}
.section-panel{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:1.8rem}
.sec-head.left{margin-left:0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.98rem;max-width:290px}
.brand .mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:1.05rem;
  box-shadow:var(--shadow-volt);
}
.brand span{line-height:1.2;color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;font-weight:600;color:var(--txt-soft);
  padding:.5rem .75rem;border-radius:999px;transition:.2s;
}
.nav-links a:hover{background:rgba(163,230,53,.1);color:var(--volt)}
.nav-links a.active{background:rgba(6,182,212,.14);color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.btn-ghost{
  font-size:.84rem;font-weight:700;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.5rem 1rem;background:transparent;transition:.2s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(163,230,53,.12);color:var(--volt)}
.btn-solid{
  font-size:.84rem;font-weight:800;border:0;border-radius:999px;
  padding:.55rem 1.15rem;white-space:nowrap;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  color:#06111a;transition:.2s;box-shadow:var(--shadow-volt);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);color:#06111a}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  padding:.68rem 1.3rem;transition:.2s;background:rgba(255,255,255,.03);
}
.btn-outline:hover{border-color:var(--cyan);box-shadow:var(--shadow-neon);color:var(--txt)}
.btn-lg-solid{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.95rem;font-weight:800;color:#06111a;border:0;
  border-radius:999px;padding:.85rem 1.7rem;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.2s;
}
.btn-lg-solid:hover{transform:translateY(-2px);color:#06111a}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:var(--txt);width:42px;height:42px;border-radius:12px;font-size:1rem;
}
/* breadcrumb */
.crumb{font-size:.8rem;color:var(--txt-mute);padding:1rem 0 0}
.crumb a{color:var(--txt-mute)}
.crumb a:hover{color:var(--volt)}
.crumb span{color:var(--txt-soft)}
/* page hero */
.page-hero{
  position:relative;
  padding:clamp(40px,6vw,80px) 0 clamp(36px,5vw,64px);
  background:
    linear-gradient(115deg,rgba(7,7,13,.95) 0%,rgba(14,14,30,.82) 55%,rgba(21,21,43,.72) 100%),
    url('/assets/images/07ebc4da95797881.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,52px);align-items:center}
.page-hero h1{font-size:clamp(1.6rem,4vw,2.5rem);margin-bottom:1rem}
.page-hero h1 .kw{background:linear-gradient(90deg,var(--volt),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.03rem;max-width:62ch}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0 1.2rem}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;max-width:520px}
.fact{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:.7rem .8rem;
}
.fact b{display:block;font-size:1.15rem;color:var(--volt);font-variant-numeric:tabular-nums}
.fact span{font-size:.76rem;color:var(--txt-mute)}
.console{
  background:linear-gradient(180deg,var(--panel-2),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;
}
.console-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem 1.25rem;border-bottom:1px solid var(--line);
  background:rgba(6,182,212,.07);
}
.console-head strong{font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan)}
.dot-live{display:inline-flex;align-items:center;gap:.4rem;font-size:.74rem;color:var(--txt-mute)}
.dot-live i{color:var(--volt);font-size:.6rem;animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.console-body{padding:1.1rem 1.25rem 1.35rem}
.console-list{list-style:none;padding:0;margin:0}
.console-list li{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.55rem 0;border-bottom:1px dashed var(--line);
  font-size:.86rem;color:var(--txt-soft);
}
.console-list li:last-child{border-bottom:0}
.console-list b{color:var(--volt);font-variant-numeric:tabular-nums}
/* grids & cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;transition:.25s;height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:.9rem;
}
.card.v .ico{background:rgba(163,230,53,.12);color:var(--volt)}
.card.p .ico{background:rgba(244,63,94,.12);color:var(--pink)}
.card.g .ico{background:rgba(245,158,11,.12);color:var(--gold)}
.card p{font-size:.92rem;margin-bottom:0}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;
  background:rgba(6,182,212,.14);color:var(--cyan);margin-bottom:.7rem;
}
.tag.volt{background:rgba(163,230,53,.14);color:var(--volt)}
.tag.pink{background:rgba(244,63,94,.14);color:var(--pink)}
.tag.gold{background:rgba(245,158,11,.14);color:var(--gold)}
/* steps */
.steps{counter-reset:s;display:grid;gap:1rem}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:1.1rem;align-items:start;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.25rem 1.4rem;transition:.25s;
}
.step:hover{border-color:var(--line-strong)}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:1.05rem;color:#06111a;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);
}
.step h3{margin-bottom:.35rem}
.step p{margin-bottom:0;font-size:.92rem}
/* scenarios list */
.scene-list{list-style:none;padding:0;margin:0;display:grid;gap:.9rem}
.scene-list li{
  display:grid;grid-template-columns:auto 1fr;gap:.85rem;align-items:start;
  padding:1rem 1.15rem;border:1px solid var(--line);border-radius:var(--radius-s);
  background:rgba(255,255,255,.02);transition:.2s;
}
.scene-list li:hover{border-color:var(--line-strong);background:rgba(163,230,53,.04)}
.scene-list i{color:var(--volt);margin-top:.3rem}
.scene-list b{display:block;color:var(--txt);font-size:.96rem}
.scene-list span{font-size:.88rem;color:var(--txt-soft)}
/* compare table */
.cmp{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius)}
.cmp th,.cmp td{padding:.95rem 1.1rem;font-size:.9rem;border-bottom:1px solid var(--line);text-align:left}
.cmp thead th{background:rgba(6,182,212,.1);color:var(--cyan);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:rgba(255,255,255,.02)}
.cmp .yes{color:var(--volt);font-weight:700}
.cmp .no{color:var(--pink);font-weight:700}
/* content list */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.post{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.25s;height:100%;
}
.post:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-700)}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.post:hover .thumb img{transform:scale(1.06)}
.post .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.post .meta{display:flex;gap:.7rem;flex-wrap:wrap;font-size:.74rem;color:var(--txt-mute)}
.post h3{font-size:1rem;margin-bottom:0}
.post h3 a:hover{color:var(--volt)}
.post p{font-size:.87rem;margin-bottom:0}
.post .more{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--cyan)}
.empty-note{padding:1.6rem;border:1px dashed var(--line);border-radius:var(--radius);color:var(--txt-mute);font-size:.9rem}
/* faq */
.faq{display:grid;gap:.9rem}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:1.05rem 1.3rem;font-weight:700;font-size:.98rem;
  display:flex;justify-content:space-between;gap:1rem;align-items:center;color:var(--txt);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--volt);font-size:.8rem;transition:.25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .ans{padding:0 1.3rem 1.2rem;font-size:.92rem;color:var(--txt-soft)}
.faq-item:hover{border-color:var(--line-strong)}
/* trust bar */
.trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.trust-item{
  display:flex;gap:.75rem;align-items:center;padding:1rem 1.15rem;
  border:1px solid var(--line);border-radius:var(--radius-s);background:rgba(255,255,255,.02);
}
.trust-item i{color:var(--cyan);font-size:1.15rem}
.trust-item b{display:block;font-size:.88rem;color:var(--txt)}
.trust-item span{font-size:.78rem;color:var(--txt-mute)}
/* cta */
.cta-band{
  background:linear-gradient(120deg,rgba(6,182,212,.14),rgba(163,230,53,.12));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:clamp(1.6rem,4vw,2.6rem);display:grid;grid-template-columns:1.4fr 1fr;gap:1.6rem;align-items:center;
}
.cta-band h2{margin-bottom:.5rem}
.cta-band p{margin-bottom:0}
.cta-actions{display:flex;flex-direction:column;gap:.7rem}
/* footer */
.site-footer{background:var(--bg-800);border-top:1px solid var(--line);padding:var(--space) 0 1.6rem;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:1.8rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--txt);margin-bottom:.7rem}
.foot-brand .mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--volt),var(--cyan));color:#06111a;font-size:.95rem;
}
.site-footer h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:.9rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:.5rem}
.site-footer ul li a{font-size:.88rem;color:var(--txt-soft)}
.site-footer ul li a:hover{color:var(--volt)}
.site-footer p{font-size:.88rem;color:var(--txt-mute)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:2rem;padding-top:1.2rem;
  font-size:.8rem;color:var(--txt-mute);
}
.age-badge{
  display:inline-block;font-size:.7rem;font-weight:800;color:#06111a;
  background:var(--volt);border-radius:6px;padding:.1rem .4rem;margin-right:.5rem;
}
/* fab */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.82),rgba(7,7,13,.82)),linear-gradient(135deg,var(--pink),var(--cyan));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.15rem;box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:.25s;animation:float 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.65)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .ping{
  position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:999px;
  background:var(--pink);box-shadow:0 0 0 2px var(--bg-900);animation:blink 1.2s infinite;
}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -5px}}
/* responsive */
@media (max-width:1024px){
  .page-hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.2rem;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    padding:.8rem 4%;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem .8rem;border-radius:var(--radius-s)}
  .nav-cta{margin-left:0}
  .nav-inner{flex-wrap:wrap}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .hero-facts{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:520px){
  body{font-size:15px}
  .brand{font-size:.85rem;max-width:60%}
  .nav-cta .btn-ghost{display:none}
  .grid-4,.post-grid,.trust{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr}
  .step{grid-template-columns:44px 1fr;gap:.85rem;padding:1rem}
  .step::before{width:44px;height:44px;font-size:.92rem}
  .cmp th,.cmp td{padding:.7rem .8rem;font-size:.82rem}
  .foot-grid{grid-template-columns:1fr}
  .fab{left:.85rem;bottom:5.2rem}
}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* roulang page: category3 */
:root{
  --bg-900:#07070d;
  --bg-800:#0e0e1e;
  --bg-700:#15152b;
  --panel:#12132a;
  --panel-2:#191a36;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(163,230,53,.28);
  --txt:#ffffff;
  --txt-soft:#c7ccdc;
  --txt-mute:#94a3b8;
  --volt:#a3e635;
  --cyan:#06b6d4;
  --pink:#f43f5e;
  --gold:#f59e0b;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-neon:0 0 22px rgba(6,182,212,.35);
  --shadow-volt:0 0 20px rgba(163,230,53,.35);
  --space:clamp(48px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--volt)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 .8rem}
h1{font-size:clamp(1.9rem,4.4vw,3rem)}
h2{font-size:clamp(1.4rem,2.9vw,2.1rem)}
h3{font-size:clamp(1.05rem,1.7vw,1.28rem)}
p{margin:0 0 1rem;color:var(--txt-soft)}
.container{width:min(1200px,92%);margin-inline:auto}
section{padding:var(--space) 0}
.section-alt{background:linear-gradient(180deg,var(--bg-800),var(--bg-900));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:2.2rem}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);font-weight:700;
  padding:.35rem .8rem;border:1px solid var(--line-strong);
  border-radius:999px;background:rgba(163,230,53,.07);margin-bottom:1rem;
}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.muted{color:var(--txt-mute)}
.lead{font-size:1.05rem;color:var(--txt-soft)}
/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:1.1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.98rem;max-width:290px}
.brand .mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  display:grid;place-items:center;color:#06111a;font-size:1.05rem;
  box-shadow:var(--shadow-volt);
}
.brand span{line-height:1.2;color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:.35rem;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:.86rem;font-weight:600;color:var(--txt-soft);
  padding:.5rem .75rem;border-radius:999px;transition:.2s;
}
.nav-links a:hover{background:rgba(163,230,53,.1);color:var(--volt)}
.nav-links a.active{background:rgba(6,182,212,.14);color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.btn-ghost{
  font-size:.84rem;font-weight:700;color:var(--volt);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.5rem 1rem;background:transparent;transition:.2s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(163,230,53,.12);color:var(--volt)}
.btn-solid{
  font-size:.84rem;font-weight:800;border:0;border-radius:999px;
  padding:.55rem 1.15rem;white-space:nowrap;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  color:#06111a;transition:.2s;box-shadow:var(--shadow-volt);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);color:#06111a}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  padding:.68rem 1.3rem;transition:.2s;background:rgba(255,255,255,.03);
}
.btn-outline:hover{border-color:var(--cyan);box-shadow:var(--shadow-neon);color:var(--txt)}
.btn-lg-solid{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.95rem;font-weight:800;color:#06111a;border:0;
  border-radius:999px;padding:.85rem 1.7rem;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.2s;
}
.btn-lg-solid:hover{transform:translateY(-2px);color:#06111a}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:var(--txt);width:42px;height:42px;border-radius:12px;font-size:1rem;
}
/* hero */
.hero{
  position:relative;padding:clamp(48px,7vw,96px) 0 clamp(44px,6vw,80px);
  background:
    linear-gradient(120deg,rgba(7,7,13,.95) 0%,rgba(7,7,13,.8) 45%,rgba(14,14,30,.74) 100%),
    url('/assets/images/5e8e053803b55e6e.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero h1 .kw{background:linear-gradient(90deg,var(--volt),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.05rem;max-width:62ch}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0 1.6rem}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;max-width:560px}
.fact{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:.75rem .85rem;
}
.fact b{display:block;font-size:1.15rem;color:var(--volt);font-variant-numeric:tabular-nums}
.fact span{font-size:.76rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem 1.25rem;border-bottom:1px solid var(--line);
  background:rgba(6,182,212,.06);
}
.panel-head h3{margin:0;font-size:1rem}
.live-dot{display:inline-flex;align-items:center;gap:.4rem;font-size:.72rem;color:var(--volt);font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.live-dot i{animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.console-body{padding:1.1rem 1.25rem 1.35rem}
.console-list{list-style:none;padding:0;margin:1rem 0 0}
.console-list li{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.6rem 0;border-bottom:1px dashed var(--line);
  font-size:.88rem;color:var(--txt-soft);
}
.console-list li:last-child{border-bottom:0}
.console-list b{color:var(--volt);font-variant-numeric:tabular-nums}
.status-chip{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.72rem;font-weight:700;padding:.22rem .6rem;border-radius:999px;
  background:rgba(163,230,53,.14);color:var(--volt);
}
.status-chip.warn{background:rgba(245,158,11,.14);color:var(--gold)}
.status-chip.info{background:rgba(6,182,212,.14);color:var(--cyan)}
/* grids */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(22px,4vw,50px);align-items:center}
/* cards */
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;transition:.25s;height:100%;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:.9rem;
}
.card.v .ico{background:rgba(163,230,53,.12);color:var(--volt)}
.card.p .ico{background:rgba(244,63,94,.12);color:var(--pink)}
.card.g .ico{background:rgba(245,158,11,.12);color:var(--gold)}
.card p{font-size:.92rem;margin-bottom:0}
.card h3{font-size:1.06rem;margin-bottom:.5rem}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;
  background:rgba(6,182,212,.14);color:var(--cyan);margin-bottom:.7rem;
}
.tag.volt{background:rgba(163,230,53,.14);color:var(--volt)}
.tag.pink{background:rgba(244,63,94,.14);color:var(--pink)}
.tag.gold{background:rgba(245,158,11,.14);color:var(--gold)}
/* steps */
.steps{counter-reset:step;display:grid;gap:1rem}
.step{
  position:relative;padding:1.1rem 1.3rem 1.1rem 3.4rem;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.025);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:1rem;top:1.05rem;
  font-weight:800;font-size:.9rem;color:var(--volt);
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(163,230,53,.12);border:1px solid var(--line-strong);
}
.step h3{margin-bottom:.3rem;font-size:1rem}
.step p{margin-bottom:0;font-size:.9rem}
/* brand bar */
.brand-bar{
  display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;
  font-size:.8rem;color:var(--txt-mute);letter-spacing:.04em;
}
.brand-bar span{
  border:1px solid var(--line);border-radius:999px;padding:.3rem .8rem;
  background:rgba(255,255,255,.03);
}
/* feature media */
.media-frame{
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow);background:var(--bg-800);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-caption{padding:.9rem 1.1rem;font-size:.85rem;color:var(--txt-mute);border-top:1px solid var(--line)}
/* cms list */
.post-item{
  display:grid;grid-template-columns:150px 1fr;gap:1rem;align-items:start;
  padding:1rem;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,var(--panel),var(--bg-800));transition:.22s;
}
.post-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.post-item img{width:100%;height:96px;object-fit:cover;border-radius:var(--radius-s)}
.post-item h3{font-size:1rem;margin-bottom:.35rem}
.post-item p{font-size:.86rem;margin-bottom:.4rem;color:var(--txt-mute)}
.post-meta{font-size:.75rem;color:var(--txt-mute);letter-spacing:.03em;text-transform:uppercase}
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
/* faq */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,var(--panel),var(--bg-800));
  padding:1.15rem 1.3rem;margin-bottom:.9rem;
}
.faq-item summary{
  cursor:pointer;font-weight:700;font-size:1rem;list-style:none;
  display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--volt);font-size:1.3rem;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:.8rem 0 0;font-size:.92rem}
/* cta */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  background:linear-gradient(135deg,rgba(6,182,212,.14),rgba(163,230,53,.1)),var(--bg-800);
  padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:1.2fr .8fr;
  gap:1.6rem;align-items:center;
}
.cta-actions{display:flex;gap:.7rem;flex-wrap:wrap;justify-content:flex-end}
/* footer */
.site-footer{
  border-top:1px solid var(--line);background:var(--bg-800);
  padding:clamp(40px,6vw,72px) 0 2rem;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.8rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;margin-bottom:.9rem;font-size:1rem}
.foot-brand .mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--volt),var(--cyan));color:#06111a;
}
.site-footer h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--txt-mute);margin-bottom:.9rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:.5rem}
.site-footer ul a{font-size:.9rem;color:var(--txt-soft)}
.site-footer ul a:hover{color:var(--volt)}
.site-footer p{font-size:.9rem;color:var(--txt-mute)}
.foot-bottom{
  margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.82rem;color:var(--txt-mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:24px;border-radius:6px;
  border:1px solid var(--pink);color:var(--pink);font-size:.72rem;font-weight:800;
  margin-right:.5rem;
}
/* FAB */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.25rem;color:#06111a;
  background:linear-gradient(135deg,var(--volt),var(--cyan));
  box-shadow:var(--shadow-volt);transition:.25s;
}
.fab:hover{transform:scale(1.1) rotate(8deg);color:#06111a}
.fab .dot{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px rgba(7,7,13,.9);
}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr}
  .post-list{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:.2rem;
    background:rgba(7,7,13,.97);border-bottom:1px solid var(--line);
    padding:.8rem 4%;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta .btn-ghost{display:none}
  .brand{font-size:.9rem;max-width:200px}
  .hero-facts{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .grid-4,.grid-3,.grid-2,.hero-facts,.foot-grid{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr}
  .post-item img{height:150px}
  .step{padding-left:3rem}
  h1{font-size:1.7rem}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}