/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:#0B1430;
  --panel-2:#0E1B3D;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --ok:#22C55E;
  --warn:#FACC15;
  --danger:#F43F5E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 20px 50px -28px rgba(2,8,26,.95);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 55%,var(--bg) 100%)}
.section--panel{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head--left{margin-left:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3.4vw,38px);font-weight:800}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:70ch}
.text-accent{color:var(--cyan)}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- HEADER ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(37,99,235,.22),rgba(56,189,248,.14));
  border-bottom:1px solid var(--line);
  font-size:13px;color:#CBD5E1;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar strong{color:var(--text)}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(34,197,94,.16)}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:14px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:600;color:#CBD5E1;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:12px;font-weight:700;font-size:14px;padding:11px 20px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 12px 30px -14px rgba(56,189,248,.9);
}
.btn-primary:hover{box-shadow:0 16px 38px -14px rgba(56,189,248,1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.10);color:var(--text)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;
}
.nav-mobile{
  display:none;border-top:1px solid var(--line);background:rgba(3,7,18,.98);
}
.nav-mobile.open{display:block}
.nav-mobile ul{padding:12px 20px 20px;display:grid;gap:4px}
.nav-mobile a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#CBD5E1}
.nav-mobile a.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-mobile .nav-actions{padding:0 20px 22px;display:grid;gap:10px}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 64px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.88) 55%,var(--bg) 100%),url('/assets/images/176ec414c10a00b6.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:54px 54px;pointer-events:none;mask-image:radial-gradient(ellipse at 50% 20%,#000 20%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero h1{
  font-size:clamp(28px,4.6vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{color:#CBD5E1;font-size:16.5px;line-height:1.7;max-width:78ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#CBD5E1;background:rgba(8,18,41,.75);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.chip i{color:var(--cyan)}
.hero-stats{
  position:relative;z-index:2;margin-top:52px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:rgba(8,18,41,.72);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(10px);overflow:hidden;
}
.hero-stats .stat{padding:22px 20px;border-right:1px solid var(--line)}
.hero-stats .stat:last-child{border-right:0}
.stat b{display:block;font-size:22px;font-weight:800;color:var(--cyan);letter-spacing:-.02em}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.45}

/* ---------- STATUS STRIP ---------- */
.status-strip{border-bottom:1px solid var(--line);background:rgba(8,18,41,.6)}
.status-strip .row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:20px 0}
.status-item{display:flex;align-items:center;gap:12px;font-size:13.5px;color:#CBD5E1}
.status-item .pulse{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(34,197,94,.55);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.status-item strong{color:var(--text);font-weight:700}

/* ---------- CARDS ---------- */
.card{
  background:linear-gradient(160deg,var(--panel) 0%,var(--panel-2) 100%);
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
.card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.10);color:var(--cyan);font-size:18px;margin-bottom:16px;
  border:1px solid var(--line);
}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.68}

/* ---------- SPLIT / MATRIX ---------- */
.split{display:grid;grid-template-columns:0.95fr 1.05fr;gap:46px;align-items:start}
.net-list{display:grid;gap:14px}
.net-item{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;
  background:rgba(11,20,48,.85);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color .2s ease,background .2s ease;
}
.net-item:hover{border-color:var(--line-strong);background:rgba(14,27,61,.95)}
.net-item .mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(37,99,235,.18);color:var(--cyan);font-weight:800;font-size:13px}
.net-item h4{font-size:15.5px;margin-bottom:4px}
.net-item p{font-size:13.6px;color:var(--muted)}
.tag{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:999px;white-space:nowrap}
.tag-ok{background:rgba(34,197,94,.14);color:#4ADE80;border:1px solid rgba(34,197,94,.3)}
.tag-warn{background:rgba(250,204,21,.14);color:#FDE047;border:1px solid rgba(250,204,21,.3)}
.tag-info{background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid var(--line-strong)}

/* ---------- FEATURE GROUPS ---------- */
.group-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.group{border-left:2px solid var(--line-strong);padding-left:22px}
.group h3{font-size:18px;margin-bottom:14px}
.group ul{display:grid;gap:11px}
.group li{display:flex;gap:10px;font-size:14.5px;color:#CBD5E1;line-height:1.6}
.group li i{color:var(--cyan);font-size:13px;margin-top:5px}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:step}
.step{position:relative;padding:26px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-md);background:rgba(8,18,41,.55)}
.step-num{
  counter-increment:step;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121F;font-weight:800;margin-bottom:16px;
}
.step-num::before{content:counter(step,decimal-leading-zero)}
.step h3{font-size:16.5px;margin-bottom:9px}
.step p{font-size:14.4px;color:var(--muted)}

/* ---------- DEMO ---------- */
.demo{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.demo-shot{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);background:var(--panel);
}
.demo-shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.demo-points{display:grid;gap:16px;margin-top:24px}
.demo-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:#CBD5E1}
.demo-points li i{color:var(--ok);margin-top:5px}

/* ---------- SECURITY ---------- */
.sec-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.sec-card{background:rgba(11,20,48,.9);border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.sec-card h3{font-size:16.5px;margin-bottom:10px;display:flex;gap:10px;align-items:center}
.sec-card h3 i{color:var(--cyan)}
.sec-card p{font-size:14.4px;color:var(--muted)}
.alert-row{display:grid;gap:12px;margin-top:22px}
.alert{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:12px;
  background:rgba(244,63,94,.08);border:1px solid rgba(244,63,94,.28);font-size:14.2px;color:#FECDD3;
}
.alert i{color:var(--danger);margin-top:4px}
.alert.ok{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.28);color:#BBF7D0}
.alert.ok i{color:var(--ok)}

/* ---------- COMPARE TABLE ---------- */
.compare{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:14.6px;border-bottom:1px solid var(--line)}
.compare thead th{background:rgba(37,99,235,.14);font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#CBD5E1}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:600;color:var(--text)}
.compare .yes{color:#4ADE80;font-weight:600}
.compare .no{color:#FB7185;font-weight:600}

/* ---------- REVIEWS ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.review{background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.review .stars{color:var(--warn);font-size:13px;margin-bottom:12px;letter-spacing:2px}
.review p{font-size:14.6px;color:#CBD5E1;line-height:1.68}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));color:#03121F;
}
.reviewer b{display:block;font-size:14px}
.reviewer span{font-size:12.4px;color:var(--muted)}

/* ---------- METRIC BAND ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:rgba(8,18,41,.6);
}
.metric{padding:28px 22px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--cyan)}
.metric span{font-size:13px;color:var(--muted);display:block;margin-top:6px;line-height:1.5}

/* ---------- CATEGORY WALL ---------- */
.cat-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{
  display:block;position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  padding:26px 24px 24px;transition:border-color .2s ease,transform .2s ease;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.cat-card .cat-kicker{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:700}
.cat-card h3{font-size:18px;margin:12px 0 10px}
.cat-card p{font-size:14.4px;color:var(--muted)}
.cat-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;font-weight:700;color:var(--cyan)}

/* ---------- TOPICS ---------- */
.topic-list{display:grid;gap:0;border-top:1px solid var(--line)}
.topic{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  padding:22px 6px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.topic:hover{background:rgba(56,189,248,.05)}
.topic .idx{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.08em}
.topic h3{font-size:16.5px;margin-bottom:6px}
.topic p{font-size:14px;color:var(--muted)}

/* ---------- CMS LIST ---------- */
.cms-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:36px;align-items:start}
.post-list{display:grid;gap:16px}
.post-item{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:rgba(11,20,48,.75);transition:border-color .2s ease,transform .2s ease;
}
.post-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.post-item .thumb{height:100%;min-height:118px}
.post-item .thumb img{width:100%;height:100%;object-fit:cover}
.post-item .body{padding:18px 20px 18px 0}
.post-item .meta{display:flex;gap:14px;font-size:12.4px;color:var(--muted);margin-bottom:8px;flex-wrap:wrap}
.post-item .meta i{color:var(--cyan);margin-right:5px}
.post-item h3{font-size:16px;margin-bottom:8px;line-height:1.45}
.post-item p{font-size:13.9px;color:var(--muted)}
.side-list{display:grid;gap:14px}
.side-item{
  display:block;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;background:rgba(8,18,41,.7);transition:border-color .2s ease,background .2s ease;
}
.side-item:hover{border-color:var(--line-strong);background:rgba(14,27,61,.9)}
.side-item h4{font-size:14.6px;line-height:1.5;margin-bottom:7px}
.side-item span{font-size:12.4px;color:var(--muted)}
.empty-note{color:var(--muted);font-size:14.6px;padding:22px;border:1px dashed var(--line);border-radius:var(--r-md);text-align:left}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(11,20,48,.7);padding:22px 24px}
.faq-item h3{font-size:16.5px;margin-bottom:10px;display:flex;gap:12px;align-items:flex-start}
.faq-item h3 span{color:var(--cyan);font-weight:800}
.faq-item p{font-size:14.6px;color:#CBD5E1;padding-left:28px}

/* ---------- FINAL CTA ---------- */
.final-cta{
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:52px 44px;text-align:center;
  background:linear-gradient(140deg,rgba(37,99,235,.22),rgba(8,18,41,.9) 55%,rgba(56,189,248,.14));
}
.final-cta h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:14px}
.final-cta p{color:#CBD5E1;max-width:70ch;margin:0 auto;font-size:15.4px}
.final-cta .hero-cta{justify-content:center}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 0;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:14.2px;color:var(--muted);max-width:42ch}
.foot-col h4{font-size:14px;margin-bottom:16px;color:var(--text);letter-spacing:.02em}
.foot-col ul{display:grid;gap:10px}
.foot-col a,.foot-col li{font-size:14px;color:var(--muted);transition:color .18s ease}
.foot-col a:hover{color:var(--cyan)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badge{
  font-size:11.8px;font-weight:700;padding:6px 12px;border-radius:8px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);color:#CBD5E1;
}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.age-badge{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line-strong);color:var(--cyan);font-weight:800;font-size:12px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.42);
  color:var(--text);font-weight:700;font-size:14px;
  transition:box-shadow .25s ease,transform .2s ease,opacity .2s ease;
  opacity:.82;
}
.fab:hover{opacity:1;box-shadow:0 0 34px rgba(6,182,212,.72);transform:translateY(-2px)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab i{color:var(--cyan);animation:flicker 3.4s infinite}
@keyframes flicker{0%,92%,100%{opacity:1}94%{opacity:.35}96%{opacity:1}97%{opacity:.5}}
.fab .ping{position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 3px rgba(3,7,18,.9);animation:pulse 2s infinite}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.demo,.cms-layout,.sec-block{grid-template-columns:1fr;gap:32px}
  .group-wrap,.steps,.review-grid,.cat-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats,.metric-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats .stat:nth-child(2),.metric:nth-child(2){border-right:0}
  .hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2),.metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links,.nav .nav-actions{display:none}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:64px 0 46px}
  .g-2,.g-3,.group-wrap,.steps,.review-grid,.cat-wall{grid-template-columns:1fr}
  .status-strip .row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-item{grid-template-columns:1fr}
  .post-item .thumb{min-height:170px}
  .post-item .body{padding:0 20px 20px}
  .final-cta{padding:38px 24px}
  .compare th,.compare td{padding:13px 14px;font-size:13.6px}
  .topic{grid-template-columns:40px 1fr;gap:14px}
  .topic .tag{grid-column:2}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:25px}
  .hero-stats,.metric-band,.status-strip .row{grid-template-columns:1fr}
  .hero-stats .stat,.metric{border-right:0;border-bottom:1px solid var(--line)}
  .hero-stats .stat:last-child,.metric:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .nav{min-height:62px}
  .logo-text{font-size:15px}
  .fab{left:12px;bottom:84px;font-size:13px;padding:0 16px;min-height:52px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:#0B1430;
  --panel-2:#0E1B3D;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --ok:#22C55E;
  --warn:#FACC15;
  --danger:#F43F5E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 20px 50px -28px rgba(2,8,26,.95);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 55%,var(--bg) 100%)}
.section--panel{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--left{margin-left:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:74ch}
.text-accent{color:var(--cyan)}

/* ---------- TOPBAR ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(37,99,235,.22),rgba(56,189,248,.14));
  border-bottom:1px solid var(--line);
  font-size:13px;color:#CBD5E1;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar strong{color:var(--text)}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(34,197,94,.16)}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:14px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:600;color:#CBD5E1;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:12px;font-weight:700;font-size:14px;padding:11px 20px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 12px 30px -14px rgba(56,189,248,.9);
}
.btn-primary:hover{box-shadow:0 16px 38px -14px rgba(56,189,248,1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.10);color:var(--text)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(3,7,18,.98)}
.nav-mobile.open{display:block}
.nav-mobile ul{padding:12px 20px 20px;display:grid;gap:4px}
.nav-mobile a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#CBD5E1}
.nav-mobile a.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-mobile .nav-actions{padding:0 20px 22px;display:grid;gap:10px}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:74px 0 58px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.90) 52%,var(--bg) 100%),url('/assets/images/aaaf52785b6eb5cd.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:54px 54px;pointer-events:none;
  mask-image:radial-gradient(ellipse at 46% 18%,#000 18%,transparent 76%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.hero h1{font-size:clamp(27px,4.3vw,46px);font-weight:800;letter-spacing:-.025em;line-height:1.18;margin:0 0 20px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{color:#CBD5E1;font-size:16.5px;line-height:1.7;max-width:62ch;margin:0}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#CBD5E1;background:rgba(8,18,41,.75);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.chip i{color:var(--cyan)}
.hero-stats{
  position:relative;z-index:2;margin-top:46px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:rgba(8,18,41,.72);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(10px);overflow:hidden;
}
.hero-stats .stat{padding:22px 22px;border-right:1px solid var(--line)}
.hero-stats .stat:last-child{border-right:0}
.hero-stats .num{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:var(--cyan);letter-spacing:-.02em;display:block}
.hero-stats .lbl{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.5}

/* ---------- LEAD FORM ---------- */
.lead-form-wrap{
  background:linear-gradient(160deg,rgba(11,20,48,.96),rgba(8,18,41,.90));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:28px 26px 26px;
  box-shadow:var(--shadow);
  position:relative;
}
.lead-form-wrap::before{
  content:"";position:absolute;left:26px;top:-1px;width:64px;height:3px;border-radius:0 0 6px 6px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
}
.lead-form-title{font-size:19px;font-weight:800;margin:6px 0 8px;letter-spacing:-.01em}
.lead-form-note{color:var(--muted);font-size:13.5px;margin:0 0 20px}
.lead-form label{display:block;font-size:13px;font-weight:700;color:#CBD5E1;margin-bottom:8px;letter-spacing:.02em}
.lead-form select,.lead-form input{
  width:100%;padding:13px 14px;border-radius:12px;
  background:rgba(3,7,18,.72);border:1px solid var(--line);
  color:var(--text);font-size:15px;appearance:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.lead-form select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2338BDF8' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.lead-form select:focus,.lead-form input:focus{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(56,189,248,.14);outline:none}
.field-row{margin-bottom:16px}
.field-row--split{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lead-form .btn{width:100%;margin-top:6px}
.form-foot{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px;margin-top:16px}
.form-foot i{color:var(--ok)}

/* ---------- DIAGNOSTIC ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.lead-copy p{color:#CBD5E1;margin:0 0 18px}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{display:flex;gap:14px;align-items:flex-start;color:#CBD5E1}
.check-list .ic{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:var(--cyan);font-size:14px;
}
.check-list strong{color:var(--text);display:block;margin-bottom:2px;font-size:15.5px}
.visual-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.visual-card img{width:100%;height:100%;object-fit:cover;min-height:320px}
.visual-card .tag{
  position:absolute;left:18px;top:18px;
  background:rgba(3,7,18,.82);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;backdrop-filter:blur(8px);
}
.visual-card .caption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 20px 18px;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.94));
  color:#CBD5E1;font-size:14px;
}

/* ---------- MATRIX ---------- */
.matrix{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:rgba(11,20,48,.55)}
.matrix-head{
  display:grid;grid-template-columns:1.1fr .9fr .7fr 1.6fr;gap:16px;
  padding:16px 22px;background:rgba(56,189,248,.08);
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
}
.matrix-row{
  display:grid;grid-template-columns:1.1fr .9fr .7fr 1.6fr;gap:16px;
  padding:18px 22px;border-top:1px solid var(--line);
  align-items:center;font-size:14.5px;color:#CBD5E1;
  transition:background .2s ease,box-shadow .2s ease;
}
.matrix-row:hover{background:rgba(56,189,248,.06)}
.matrix-row.is-active{background:rgba(56,189,248,.12);box-shadow:inset 3px 0 0 var(--cyan)}
.matrix-row .net{font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.matrix-row .net i{color:var(--cyan);font-size:14px}
.status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 12px;border:1px solid transparent;white-space:nowrap}
.status i{font-size:9px}
.status--ok{color:#86EFAC;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.34)}
.status--warn{color:#FDE68A;background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.34)}
.status--bad{color:#FDA4AF;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.34)}
.matrix-note{margin-top:18px;color:var(--muted);font-size:13.5px}

/* ---------- SPEED BARS ---------- */
.speed-wrap{margin-top:44px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.speed-item{background:rgba(11,20,48,.6);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 20px 18px}
.speed-item h4{margin:0 0 14px;font-size:15px;font-weight:700}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.bar--warn span{background:linear-gradient(90deg,#B45309,var(--warn))}
.speed-item .metric{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- LINK PANEL ---------- */
.link-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.link-card{
  background:linear-gradient(165deg,rgba(14,27,61,.92),rgba(8,18,41,.86));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;
}
.link-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 48px -30px rgba(56,189,248,.9)}
.link-card .lc-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.link-card h3{margin:0;font-size:18px;font-weight:800}
.link-card p{margin:0;color:var(--muted);font-size:14px}
.link-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.link-meta span{font-size:12.5px;color:var(--muted);display:block}
.link-meta strong{font-size:15px;color:var(--text);font-weight:700}
.link-card .btn{width:100%}
.link-card--main{border-color:var(--line-strong);box-shadow:0 24px 50px -34px rgba(56,189,248,1)}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.step{padding:30px 26px;border-right:1px solid var(--line);background:rgba(11,20,48,.5);position:relative}
.step:last-child{border-right:0}
.step .idx{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#03121F;font-weight:800;font-size:17px;
  box-shadow:0 12px 26px -16px rgba(56,189,248,.95);margin-bottom:16px;
}
.step h3{margin:0 0 10px;font-size:17.5px;font-weight:800}
.step p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- SCENARIO ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.scene{
  border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
  background:rgba(11,20,48,.5);transition:border-color .2s ease,background .2s ease;
}
.scene:hover{border-color:var(--line-strong);background:rgba(11,20,48,.75)}
.scene h3{margin:0 0 10px;font-size:16.5px;font-weight:800;display:flex;gap:10px;align-items:center}
.scene h3 i{color:var(--cyan)}
.scene p{margin:0;color:var(--muted);font-size:14.5px}
.scene .advice{display:block;margin-top:14px;color:var(--holo);font-size:13.5px;font-weight:600}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-md);background:rgba(11,20,48,.55);
  padding:0 22px;transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(14,27,61,.7)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 0;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);font-size:13px;transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 20px;color:var(--muted);font-size:14.8px}

/* ---------- CHANNELS ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel{
  display:block;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;
  background:linear-gradient(165deg,rgba(11,20,48,.85),rgba(8,18,41,.7));
  transition:transform .2s ease,border-color .2s ease;
}
.channel:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.channel .cic{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:var(--cyan);font-size:17px;margin-bottom:16px;
}
.channel h3{margin:0 0 10px;font-size:18px;font-weight:800}
.channel p{margin:0 0 16px;color:var(--muted);font-size:14.5px}
.channel .more{color:var(--cyan);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:8px}
.channel.is-current{border-color:var(--line-strong);box-shadow:0 22px 46px -32px rgba(56,189,248,1)}
.channel .badge-now{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:#03121F;background:var(--cyan);border-radius:999px;padding:4px 10px;margin-bottom:12px;
}

/* ---------- NEWS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
  background:rgba(11,20,48,.5);transition:transform .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.news-tag{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);border:1px solid var(--line);border-radius:999px;padding:4px 11px;
}
.news-card h3{margin:0;font-size:16.5px;font-weight:800;line-height:1.4}
.news-card p{margin:0;color:var(--muted);font-size:14px}
.news-meta{color:#64748B;font-size:12.5px;margin-top:auto}
.empty-note{color:var(--muted);font-size:14.5px;border:1px dashed var(--line);border-radius:var(--r-md);padding:22px 24px}

/* ---------- CTA BAND ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,rgba(37,99,235,.20),rgba(56,189,248,.10)),var(--bg-soft);
  padding:64px 0;
}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.cta-band h2{margin:0 0 14px;font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.cta-band p{margin:0;color:#CBD5E1;max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-list{display:grid;gap:12px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#CBD5E1}
.cta-list i{color:var(--ok);margin-top:4px}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}
.foot-brand p{color:var(--muted);font-size:14px;margin:18px 0 0;max-width:44ch}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pay-badge{
  font-size:12px;font-weight:600;color:#CBD5E1;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;padding:6px 11px;
}
.foot-col h4{margin:0 0 16px;font-size:14px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan)}
.foot-col ul{display:grid;gap:10px}
.foot-col a,.foot-col li{color:var(--muted);font-size:14px;transition:color .18s ease}
.foot-col a:hover{color:var(--text)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  color:#64748B;font-size:13px;
}
.age-badge{
  font-weight:800;font-size:12px;color:#03121F;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  border-radius:8px;padding:5px 10px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background-image:linear-gradient(rgba(3,7,18,.86),rgba(3,7,18,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;
  color:var(--cyan);font-size:20px;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;
  transition:transform .2s ease,opacity .2s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.75)}
.fab:active{transform:scale(.94)}
.fab i{transition:transform .35s ease}
.fab:hover i{transform:rotate(360deg)}
.fab .fab-dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(3,7,18,.9);
  animation:pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats .stat:nth-child(2){border-right:0}
  .hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2){border-bottom:1px solid var(--line)}
  .split{grid-template-columns:1fr;gap:34px}
  .link-panel,.channel-grid,.news-grid,.speed-wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .matrix-head{display:none}
  .matrix-row{grid-template-columns:1fr 1fr;gap:10px;padding:18px 18px}
  .matrix-row .note{grid-column:1 / -1}
}
@media (max-width:768px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:grid;place-items:center}
  .section{padding:56px 0}
  .hero{padding:56px 0 46px}
  .scene-grid{grid-template-columns:1fr}
  .link-panel,.channel-grid,.news-grid,.speed-wrap{grid-template-columns:1fr}
  .visual-card img{min-height:230px}
  .foot-grid{grid-template-columns:1fr}
  .fab{bottom:24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats .stat{border-right:0;border-bottom:1px solid var(--line);padding:18px 18px}
  .hero-stats .stat:last-child{border-bottom:0}
  .matrix-row{grid-template-columns:1fr}
  .field-row--split{grid-template-columns:1fr}
  .cta-actions .btn,.lead-form .btn{width:100%}
  .lead-form-wrap{padding:22px 18px 20px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:#0B1430;
  --panel-2:#0E1B3D;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --ok:#22C55E;
  --warn:#FACC15;
  --danger:#F43F5E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 20px 50px -28px rgba(2,8,26,.95);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0 0 16px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative;scroll-margin-top:90px}
.section--soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 55%,var(--bg) 100%)}
.section--panel{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--left{margin-left:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.02em}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:72ch;line-height:1.7}
.text-accent{color:var(--cyan)}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:14px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:600;color:#CBD5E1;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:12px;font-weight:700;font-size:14px;padding:11px 20px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 12px 30px -14px rgba(56,189,248,.9);
}
.btn-primary:hover{box-shadow:0 16px 38px -14px rgba(56,189,248,1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.10);color:var(--text)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(3,7,18,.98)}
.nav-mobile.open{display:block}
.nav-mobile ul{list-style:none;padding:12px 20px 20px;display:grid;gap:4px}
.nav-mobile a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#CBD5E1}
.nav-mobile a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-mobile a.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-mobile .nav-actions{padding:0 20px 22px;display:grid;gap:10px}
/* ---------- ARTICLE HERO ---------- */
.article-hero{
  position:relative;overflow:hidden;padding:52px 0 64px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.92) 60%,var(--bg) 100%),url('/assets/images/176ec414c10a00b6.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse at 40% 15%,#000 15%,transparent 75%);
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:#CBD5E1;transition:color .18s ease}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{color:rgba(148,163,184,.5)}
.crumbs .current{color:var(--cyan);font-weight:600}
.article-hero-grid{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);gap:40px;align-items:start}
.article-hero h1{font-size:clamp(26px,3.9vw,44px);font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.article-hero .lead{color:#CBD5E1;font-size:16px;line-height:1.7;max-width:70ch}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#CBD5E1;background:rgba(8,18,41,.72);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.meta-item i{color:var(--cyan)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.status-card{
  background:linear-gradient(160deg,rgba(11,20,48,.96),rgba(8,18,41,.9));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);
}
.status-head{
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px;
}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 5px rgba(34,197,94,.16);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 5px rgba(34,197,94,.16)}50%{box-shadow:0 0 0 9px rgba(34,197,94,.05)}}
.status-list{list-style:none;display:grid;gap:12px}
.status-list li{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-size:14px;color:#CBD5E1;padding-bottom:12px;border-bottom:1px dashed rgba(56,189,248,.16);
}
.status-list li:last-child{border-bottom:0;padding-bottom:0}
.status-list strong{font-size:13.5px;font-weight:700;color:var(--text)}
.status-list strong.ok{color:var(--ok)}
.status-list strong.warn{color:var(--warn)}
.status-card .pay-row{margin-top:20px}
/* ---------- COVER ---------- */
.cover-wrap{padding-top:36px}
.article-cover{
  position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:clamp(220px,34vw,420px);object-fit:cover}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 22px;font-size:13px;color:#E2E8F0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
/* ---------- ARTICLE LAYOUT ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,2.15fr) minmax(0,1fr);gap:48px;align-items:start}
.article-body{color:#CBD5E1;font-size:16px;line-height:1.75;min-width:0}
.article-body h2{
  font-size:clamp(20px,2.4vw,28px);color:var(--text);font-weight:800;
  margin:38px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);
}
.article-body h3{font-size:18px;color:var(--text);font-weight:700;margin:26px 0 10px}
.article-body h4{font-size:16px;color:var(--text);font-weight:700;margin:20px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;display:grid;gap:9px}
.article-body li::marker{color:var(--cyan)}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease}
.article-body a:hover{color:var(--holo)}
.article-body img{border-radius:var(--r-md);margin:22px 0;border:1px solid var(--line)}
.article-body strong{color:var(--text)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;color:var(--text);
  background:rgba(56,189,248,.07);border-left:3px solid var(--line-strong);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(56,189,248,.09);color:var(--text);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:rgba(56,189,248,.10);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--cyan)}
.empty-state{
  background:var(--panel);border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);padding:40px 28px;text-align:left;
}
.empty-state h2{font-size:22px;color:var(--text);margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:60ch}
.article-side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
}
.side-card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--cyan)}
.side-list{list-style:none;display:grid;gap:11px;font-size:14px;color:var(--muted)}
.side-list li{display:flex;gap:10px;align-items:flex-start}
.side-list i{color:var(--ok);margin-top:4px;font-size:12px}
.side-card .btn{width:100%;margin-top:16px}
/* ---------- TABLES / BADGES ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel)}
table.link-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
table.link-table th{
  text-align:left;padding:15px 18px;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);background:rgba(56,189,248,.07);border-bottom:1px solid var(--line);
}
table.link-table td{padding:15px 18px;border-bottom:1px solid rgba(56,189,248,.10);color:#CBD5E1}
table.link-table tr:last-child td{border-bottom:0}
table.link-table tr:hover td{background:rgba(56,189,248,.05)}
table.link-table td strong{color:var(--text)}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px;border:1px solid transparent}
.badge-ok{color:#86EFAC;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.3)}
.badge-warn{color:#FDE68A;background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.3)}
.badge-info{color:var(--holo);background:rgba(96,165,250,.12);border-color:rgba(96,165,250,.3)}
/* ---------- STEPS ---------- */
.steps{display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;align-items:start;
  padding:24px;border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(140deg,rgba(11,20,48,.85),rgba(8,18,41,.6));
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 18px 40px -30px rgba(56,189,248,.9)}
.step-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:19px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--text)}
.step p{margin:0;color:var(--muted);font-size:14.5px}
/* ---------- CARRIER GRID ---------- */
.carrier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.carrier-card{
  border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;
  background:var(--panel);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.carrier-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 44px -34px rgba(56,189,248,1)}
.carrier-card i{font-size:20px;color:var(--cyan);margin-bottom:14px;display:block}
.carrier-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.carrier-card p{color:var(--muted);font-size:14px;margin:0}
.carrier-card .tagline{display:block;margin-top:14px;font-size:12px;font-weight:700;color:var(--holo);letter-spacing:.05em;text-transform:uppercase}
/* ---------- SAFE / CHECKLIST ---------- */
.safe-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px;align-items:start}
.safe-list{list-style:none;display:grid;gap:14px}
.safe-list li{
  display:grid;grid-template-columns:30px minmax(0,1fr);gap:14px;align-items:start;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(11,20,48,.6);font-size:14.5px;color:#CBD5E1;
}
.safe-list i{color:var(--ok);margin-top:3px}
.alert-card{
  border:1px solid rgba(244,63,94,.35);border-radius:var(--r-md);
  background:linear-gradient(150deg,rgba(244,63,94,.10),rgba(8,18,41,.75));
  padding:26px;
}
.alert-card h3{font-size:17px;color:#FDA4AF;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.alert-card ul{list-style:none;display:grid;gap:11px;font-size:14px;color:#E2E8F0}
.alert-card li{display:flex;gap:10px;align-items:flex-start}
.alert-card li i{color:var(--danger);margin-top:4px;font-size:12px}
/* ---------- POSTS ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.post-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:var(--panel);transition:transform .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.post-card img{width:100%;height:100%;min-height:120px;object-fit:cover}
.post-card .post-body{padding:18px 18px 18px 0}
.post-card h3{font-size:15.5px;font-weight:700;color:var(--text);margin-bottom:8px}
.post-card p{font-size:13.5px;color:var(--muted);margin:0}
/* ---------- CATEGORY ENTRIES ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{
  display:block;padding:26px;border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(150deg,rgba(11,20,48,.9),rgba(8,18,41,.55));
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:linear-gradient(150deg,rgba(14,27,61,.95),rgba(8,18,41,.7))}
.cat-card i{color:var(--cyan);font-size:19px;display:block;margin-bottom:14px}
.cat-card h3{font-size:16.5px;font-weight:700;color:var(--text);margin-bottom:9px}
.cat-card p{font-size:14px;color:var(--muted);margin:0}
.cat-card .more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;font-weight:700;color:var(--cyan)}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:15.5px;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.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(--cyan);font-size:13px;transition:transform .2s ease}
.faq-item[open] summary::after{content:"\f068"}
.faq-item summary:hover{color:var(--cyan)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.7}
/* ---------- CTA BAND ---------- */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(56,189,248,.10) 60%,rgba(8,18,41,.9));
  padding:48px;text-align:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:14px}
.cta-band p{color:#CBD5E1;max-width:66ch;margin:0 auto 26px;line-height:1.7}
.cta-band .cta-row{justify-content:center;margin-top:0}
/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:14.5px;margin:18px 0 18px;line-height:1.7}
.foot-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px}
.foot-col ul{list-style:none;display:grid;gap:10px}
.foot-col a{color:var(--muted);font-size:14px;transition:color .18s ease}
.foot-col a:hover{color:var(--cyan)}
.foot-col li{color:var(--muted);font-size:14px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:12px;font-weight:600;color:#CBD5E1;border:1px solid var(--line);
  background:rgba(255,255,255,.03);border-radius:8px;padding:6px 11px;
}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13px;
}
.age-badge{border:1px solid var(--line-strong);color:var(--cyan);border-radius:8px;padding:4px 11px;font-weight:700;font-size:12px}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .article-hero-grid{grid-template-columns:1fr;gap:30px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-side{position:static}
  .carrier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .safe-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .article-hero{padding:40px 0 52px}
  .post-grid{grid-template-columns:1fr}
  .post-card{grid-template-columns:120px minmax(0,1fr)}
  .post-card .post-body{padding:16px 16px 16px 0}
  .cta-band{padding:34px 22px}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:20px}
  .step-num{width:44px;height:44px;border-radius:13px;font-size:16px}
}
@media (max-width:560px){
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{padding:10px 15px;font-size:13px}
  .logo{font-size:15px}
  .logo-text small{display:none}
  .cta-row .btn{width:100%}
  .carrier-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{justify-content:flex-start}
  .article-cover figcaption{font-size:12px;padding:14px 16px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:#0B1430;
  --panel-2:#0E1B3D;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --ok:#22C55E;
  --warn:#FACC15;
  --danger:#F43F5E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 20px 50px -28px rgba(2,8,26,.95);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -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,h5{margin:0;font-weight:800;line-height:1.24}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 55%,var(--bg) 100%)}
.section--panel{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--left{margin-left:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(23px,3.2vw,36px);font-weight:800;letter-spacing:-.01em}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:74ch}
.text-accent{color:var(--cyan)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:14px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:600;color:#CBD5E1;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:12px;font-weight:700;font-size:14px;padding:11px 20px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 12px 30px -14px rgba(56,189,248,.9);
}
.btn-primary:hover{box-shadow:0 16px 38px -14px rgba(56,189,248,1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.10);color:var(--text)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong)}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(3,7,18,.98)}
.nav-mobile.open{display:block}
.nav-mobile ul{padding:12px 20px 20px;display:grid;gap:4px}
.nav-mobile a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#CBD5E1}
.nav-mobile a.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-mobile .nav-actions{padding:0 20px 22px;display:grid;gap:10px}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 66px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.78) 0%,rgba(3,7,18,.90) 55%,var(--bg) 100%),url('/assets/images/e35dd4ed423ce7b4.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:54px 54px;pointer-events:none;
  mask-image:radial-gradient(ellipse at 50% 20%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 20%,#000 20%,transparent 78%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:start;
}
.hero h1{
  font-size:clamp(27px,4.3vw,46px);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{color:#CBD5E1;font-size:16.5px;line-height:1.7;max-width:70ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#CBD5E1;background:rgba(8,18,41,.78);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.chip i{color:var(--cyan)}
.check-panel{
  background:linear-gradient(180deg,rgba(11,20,48,.96),rgba(8,18,41,.92));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow);
}
.check-panel h2{font-size:17px;font-weight:800;margin-bottom:6px}
.check-panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#CBD5E1}
.check-list i{color:var(--ok);margin-top:4px}
.panel-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);gap:12px;
}
.panel-stats .num{font-size:19px;font-weight:800;color:var(--cyan)}
.panel-stats .lbl{font-size:11.5px;color:var(--muted);line-height:1.4}

/* ---------- CARDS ---------- */
.card{
  background:linear-gradient(180deg,rgba(11,20,48,.9),rgba(8,18,41,.86));
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:19px;margin-bottom:16px;
  border:1px solid var(--line);
}
.card h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.65}
.card .tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border-radius:6px;padding:4px 9px;margin-bottom:12px;
}

/* ---------- STEPS ---------- */
.steps{display:grid;gap:0;border-left:2px solid var(--line);margin-left:14px}
.step{position:relative;padding:0 0 30px 32px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-11px;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);
}
.step-num{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.8px;max-width:76ch}
.step .note{
  display:inline-flex;gap:8px;align-items:flex-start;margin-top:10px;font-size:13.5px;
  color:#CBD5E1;background:rgba(56,189,248,.07);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:10px 13px;
}
.step .note i{color:var(--cyan);margin-top:3px}

/* ---------- MEDIA ---------- */
.media-block{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-body h2{font-size:clamp(21px,2.7vw,30px);font-weight:800;margin-bottom:14px}
.media-body p{color:var(--muted);font-size:15.4px;margin-bottom:14px}
.tick-list{display:grid;gap:12px;margin-top:6px}
.tick-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;color:#CBD5E1}
.tick-list i{color:var(--ok);margin-top:4px}

/* ---------- TABLE ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:rgba(8,18,41,.7);
}
table{width:100%;border-collapse:collapse;font-size:14.5px}
thead{background:rgba(56,189,248,.09)}
th{
  text-align:left;padding:15px 18px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);
  border-bottom:1px solid var(--line);
}
td{padding:16px 18px;border-bottom:1px solid rgba(56,189,248,.09);color:#CBD5E1;vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(56,189,248,.05)}
td strong{color:var(--text);font-weight:600}

/* ---------- OPERATOR GRID ---------- */
.op-card{
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  background:rgba(8,18,41,.72);transition:border-color .22s ease,background .22s ease;
}
.op-card:hover{border-color:var(--line-strong);background:rgba(14,27,61,.85)}
.op-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.op-head h3{font-size:17px;font-weight:800}
.op-status{
  font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  border-radius:999px;padding:5px 10px;border:1px solid var(--line);color:var(--ok);
  background:rgba(34,197,94,.1);
}
.op-card p{font-size:14.3px;color:var(--muted)}
.op-card ul{margin-top:12px;display:grid;gap:8px}
.op-card ul li{font-size:13.8px;color:#CBD5E1;display:flex;gap:9px;align-items:flex-start}
.op-card ul li i{color:var(--cyan);margin-top:4px;font-size:12px}

/* ---------- WARNING ---------- */
.warn-box{
  border:1px solid rgba(244,63,94,.35);background:rgba(244,63,94,.07);
  border-radius:var(--r-md);padding:22px 22px;
}
.warn-box h3{font-size:16.5px;font-weight:800;color:#FECDD3;margin-bottom:10px;display:flex;gap:10px;align-items:center}
.warn-box p{color:#E2E8F0;font-size:14.6px}
.safe-list{display:grid;gap:14px;margin-top:4px}
.safe-list li{
  display:flex;gap:13px;align-items:flex-start;font-size:14.8px;color:#CBD5E1;
  padding-bottom:14px;border-bottom:1px dashed rgba(56,189,248,.14);
}
.safe-list li:last-child{border-bottom:none;padding-bottom:0}
.safe-list i{color:var(--cyan);margin-top:4px}

/* ---------- CATEGORY MATRIX ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;background:linear-gradient(180deg,rgba(11,20,48,.9),rgba(8,18,41,.8));
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.cat-card .cat-kicker{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:10px}
.cat-card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.cat-card p{font-size:14.3px;color:var(--muted)}
.cat-card .cat-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.6px;font-weight:700;color:var(--cyan)}
.cat-card.is-current{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(37,99,235,.22),rgba(8,18,41,.9))}

/* ---------- NEWS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:rgba(8,18,41,.75);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(56,189,248,.06)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:16px;font-weight:700;line-height:1.45}
.news-card p{font-size:13.8px;color:var(--muted);flex:1}
.news-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.news-meta span{color:var(--cyan);font-weight:600}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--r-md);
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}
.list-foot{margin-top:28px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(8,18,41,.7);overflow:hidden;transition:border-color .2s ease;
}
.faq details:hover{border-color:var(--line-strong)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15.5px;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";color:var(--cyan);font-size:20px;font-weight:700;line-height:1;flex:none;
}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 22px 20px;color:var(--muted);font-size:14.6px;line-height:1.7}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background-image:linear-gradient(120deg,rgba(3,7,18,.88),rgba(37,99,235,.32)),url('/assets/images/aaaf52785b6eb5cd.jpg');
  background-size:cover;background-position:center;
  padding:46px 40px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.9vw,31px);font-weight:800;margin-bottom:12px}
.cta-band p{color:#CBD5E1;font-size:15.3px;max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-side{
  background:rgba(3,7,18,.55);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;backdrop-filter:blur(6px);
}
.cta-side .row{display:flex;justify-content:space-between;gap:12px;font-size:13.6px;color:#CBD5E1;padding:9px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.cta-side .row:last-child{border-bottom:none}
.cta-side .row strong{color:var(--cyan);font-weight:700}

/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--bg-soft),var(--bg));
  border-top:1px solid var(--line);padding:60px 0 28px;margin-top:10px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:14.2px;margin-top:16px;max-width:44ch}
.foot-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col ul li{font-size:14.2px;color:var(--muted);line-height:1.55}
.foot-col ul li a{transition:color .18s ease}
.foot-col ul li a:hover{color:var(--cyan)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badge{
  font-size:11.5px;font-weight:600;color:#CBD5E1;border:1px solid var(--line);
  border-radius:8px;padding:6px 10px;background:rgba(255,255,255,.03);
}
.foot-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.age-badge{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--cyan);font-weight:800;font-size:13px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:1fr}
  .media-block{grid-template-columns:1fr;gap:26px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:60px 0 52px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .panel-stats{grid-template-columns:1fr;gap:14px}
  th,td{padding:13px 14px}
  table{font-size:13.6px}
  .table-wrap{overflow-x:auto}
  .cta-band{padding:30px 22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:25px}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .step{padding-left:24px}
  .faq summary{padding:16px 16px;font-size:14.8px}
  .faq .answer{padding:0 16px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:#0B1430;
  --panel-2:#0E1B3D;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --ok:#22C55E;
  --warn:#FACC15;
  --danger:#F43F5E;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 20px 50px -28px rgba(2,8,26,.95);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.015em}
p{margin:0}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 55%,var(--bg) 100%)}
.section--panel{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(23px,3.2vw,36px);font-weight:800}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:74ch}
.text-accent{color:var(--cyan)}
.grid{display:grid;gap:22px}

/* ---------- HEADER ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(37,99,235,.22),rgba(56,189,248,.14));
  border-bottom:1px solid var(--line);
  font-size:13px;color:#CBD5E1;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar strong{color:var(--text)}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(34,197,94,.16)}
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,var(--blue),var(--cyan));
  color:#02101F;font-weight:800;font-size:14px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:600;color:#CBD5E1;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.10);color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:12px;font-weight:700;font-size:14px;padding:11px 20px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 12px 30px -14px rgba(56,189,248,.9);
}
.btn-primary:hover{box-shadow:0 16px 38px -14px rgba(56,189,248,1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.10);color:var(--text)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.btn:focus-visible,.nav-links a:focus-visible,.nav-mobile a:focus-visible,.news-link:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(3,7,18,.98)}
.nav-mobile.open{display:block}
.nav-mobile ul{padding:12px 20px 20px;display:grid;gap:4px}
.nav-mobile a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;font-size:15px;color:#CBD5E1}
.nav-mobile a:hover{background:rgba(56,189,248,.10)}
.nav-mobile a.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-mobile .nav-actions{padding:0 20px 22px;display:grid;gap:10px}

/* ---------- CATEGORY HERO ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:72px 0 62px;
  background-image:
    linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.92) 58%,var(--bg) 100%),
    url('/assets/images/176ec414c10a00b6.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse at 32% 24%,#000 18%,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse at 32% 24%,#000 18%,transparent 76%);
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
.cat-hero h1{font-size:clamp(27px,4.3vw,46px);margin-bottom:20px}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead{color:#CBD5E1;font-size:16.5px;line-height:1.72;max-width:64ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#CBD5E1;background:rgba(8,18,41,.75);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.chip i{color:var(--cyan)}

/* hero side panel */
.hero-panel{
  background:linear-gradient(165deg,rgba(11,20,48,.96),rgba(8,18,41,.86));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-panel-head{
  padding:18px 22px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-panel-head span{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.hero-panel-body{padding:8px 22px 18px}
.check-row{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 0;border-bottom:1px dashed rgba(148,163,184,.18);
}
.check-row:last-child{border-bottom:0}
.check-row i{font-size:15px;margin-top:3px}
.check-row .ok{color:var(--ok)}
.check-row .warn{color:var(--warn)}
.check-row .danger{color:var(--danger)}
.check-row b{display:block;font-size:14.5px;font-weight:700}
.check-row span{display:block;font-size:13px;color:var(--muted);line-height:1.6}
.hero-panel-foot{
  padding:16px 22px;border-top:1px solid var(--line);
  background:rgba(37,99,235,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.hero-panel-foot b{font-size:14px}
.hero-panel-foot small{color:var(--muted);font-size:12.5px}

/* ---------- CHECKLIST / VERIFY ---------- */
.verify-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.verify-copy .section-sub{margin-bottom:26px}
.verify-points{display:grid;gap:14px}
.verify-points li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(11,20,48,.55);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.verify-points li:hover{border-color:var(--line-strong);transform:translateX(4px);background:rgba(14,27,61,.7)}
.verify-points i{color:var(--cyan);font-size:16px;margin-top:4px}
.verify-points b{display:block;font-size:15px}
.verify-points span{font-size:13.6px;color:var(--muted)}
.verify-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.verify-visual img{width:100%;height:100%;min-height:330px;object-fit:cover;opacity:.55}
.verify-visual .overlay{
  position:absolute;inset:0;padding:26px;
  background:linear-gradient(160deg,rgba(3,7,18,.55),rgba(3,7,18,.92));
  display:flex;flex-direction:column;justify-content:flex-end;gap:12px;
}
.verify-visual .overlay b{font-size:18px}
.verify-visual .overlay p{font-size:13.6px;color:#CBD5E1}
.meter{display:grid;gap:8px;margin-top:6px}
.meter-row{display:flex;align-items:center;gap:12px;font-size:13px;color:#CBD5E1}
.meter-row span:first-child{min-width:118px;font-weight:600}
.meter-bar{flex:1;height:8px;border-radius:99px;background:rgba(148,163,184,.18);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan))}

/* ---------- SIGN CARDS ---------- */
.sign-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.sign-card{
  position:relative;
  padding:24px 22px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(170deg,rgba(11,20,48,.85),rgba(8,18,41,.6));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.sign-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--danger),rgba(244,63,94,.15));
}
.sign-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 44px -30px rgba(56,189,248,.9)}
.sign-card .icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(244,63,94,.12);color:var(--danger);border:1px solid rgba(244,63,94,.28);
  margin-bottom:14px;font-size:16px;
}
.sign-card h3{font-size:16.5px;margin-bottom:9px}
.sign-card p{font-size:14px;color:var(--muted);line-height:1.68}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 34px}
.step{
  display:flex;gap:16px;align-items:flex-start;
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.step-num{
  flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#03121F;
  background:linear-gradient(135deg,var(--cyan),var(--holo));
  box-shadow:0 10px 24px -14px rgba(56,189,248,.9);
}
.step h3{font-size:16px;margin-bottom:7px}
.step p{font-size:14px;color:var(--muted);line-height:1.68}

/* ---------- LAYERS ---------- */
.layer-list{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.layer{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;background:rgba(11,20,48,.5);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.layer:last-child{border-bottom:0}
.layer:hover{background:rgba(14,27,61,.78)}
.layer-idx{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.12em}
.layer b{display:block;font-size:16px;margin-bottom:5px}
.layer p{font-size:13.8px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;white-space:nowrap;
  border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.08);
}
.tag--ok{color:var(--ok);border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.09)}
.tag--warn{color:var(--warn);border-color:rgba(250,204,21,.32);background:rgba(250,204,21,.09)}

/* ---------- SCENARIOS ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.scene{
  padding:26px 24px;border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(150deg,rgba(8,18,41,.9),rgba(3,7,18,.7));
  transition:border-color .2s ease,transform .2s ease;
}
.scene:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.scene-top i{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:15px;
  background:rgba(37,99,235,.14);color:var(--holo);border:1px solid rgba(96,165,250,.28);
}
.scene h3{font-size:16.5px}
.scene p{font-size:14px;color:var(--muted);line-height:1.7}
.scene ul{margin-top:14px;display:grid;gap:8px}
.scene ul li{position:relative;padding-left:20px;font-size:13.6px;color:#CBD5E1}
.scene ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);opacity:.75;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(11,20,48,.6);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:700;color:var(--text);
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex:none;font-size:13px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.72}
.faq-item.open .faq-a{max-height:420px}

/* ---------- NEWS LIST ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px 22px;border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(11,20,48,.55);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);background:rgba(14,27,61,.8)}
.news-link h3{font-size:16px;line-height:1.45}
.news-link:hover h3{color:var(--cyan)}
.news-card p{font-size:13.8px;color:var(--muted);line-height:1.68}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;flex-wrap:wrap}
.news-meta span:last-child{font-size:12.5px;color:#7C8AA5}
.news-more{margin-top:34px;display:flex;justify-content:flex-start}
.empty-note{
  padding:26px;border:1px dashed var(--line-strong);border-radius:var(--r-md);
  color:var(--muted);font-size:14.5px;background:rgba(11,20,48,.35);
}

/* ---------- CTA BAND ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:46px 44px;
  background-image:linear-gradient(120deg,rgba(3,7,18,.94),rgba(37,99,235,.28)),url('/assets/images/e35dd4ed423ce7b4.jpg');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px}
.cta-band p{color:#CBD5E1;font-size:15px;max-width:62ch}
.cta-band .hero-cta{margin-top:26px}
.cta-note{display:grid;gap:10px}
.cta-note div{
  display:flex;align-items:center;gap:10px;font-size:13.6px;color:#CBD5E1;
  padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(3,7,18,.6);
}
.cta-note i{color:var(--cyan)}

/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-soft) 0%,#02060F 100%);
  padding:64px 0 28px;margin-top:10px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.72;max-width:46ch}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pay-badge{
  font-size:12px;font-weight:600;color:#CBD5E1;
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
  background:rgba(11,20,48,.6);
}
.foot-col h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.foot-col ul{display:grid;gap:11px}
.foot-col a{font-size:14px;color:#B6C2D6;transition:color .18s ease}
.foot-col a:hover{color:var(--cyan)}
.foot-col li{font-size:14px;color:#B6C2D6;line-height:1.6}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8AA5;
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:28px;border-radius:8px;
  border:1px solid rgba(244,63,94,.45);color:#FDA4AF;
  font-size:12px;font-weight:800;letter-spacing:.06em;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;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,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:17px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.95)}
.fab .pulse{
  position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;
  background:var(--danger);box-shadow:0 0 0 0 rgba(244,63,94,.7);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(244,63,94,.6)}
  70%{box-shadow:0 0 0 12px rgba(244,63,94,0)}
  100%{box-shadow:0 0 0 0 rgba(244,63,94,0)}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:grid;place-items:center}
  .cat-hero-grid{grid-template-columns:1fr;gap:38px}
  .verify-grid{grid-template-columns:1fr;gap:34px}
  .sign-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:38px 30px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .cat-hero{padding:52px 0 46px}
  .steps{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .layer{grid-template-columns:1fr;gap:12px;padding:20px}
  .layer-idx{font-size:12px}
  .layer .tag{justify-self:start}
  .hero-panel-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .sign-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .nav-actions{gap:8px}
  .nav-actions .btn{width:auto}
  .hero-cta .btn{width:100%}
  .cat-hero h1{font-size:26px}
  .fab{left:12px;bottom:84px;width:52px;height:52px}
}