/* roulang page: index */
:root{
  --bg:#050B16;
  --bg-2:#08131F;
  --bg-3:#0A1727;
  --panel:#0C1A2B;
  --panel-2:#102338;
  --line:rgba(148,178,214,.16);
  --line-strong:rgba(34,211,238,.38);
  --txt:#EAF2FB;
  --muted:#93A7C0;
  --acc:#22D3EE;
  --acc-deep:#2563EB;
  --volt:#A3E635;
  --warn:#F43F5E;
  --gold:#FBBF24;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
  --glow:0 0 24px rgba(34,211,238,.30);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34,211,238,.13), transparent 65%),
    radial-gradient(700px 480px at 92% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 620px at 50% 110%, rgba(37,99,235,.16), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:2}

/* ===== Typography ===== */
.h1{font-size:clamp(28px,4.4vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.h2{font-size:clamp(22px,2.7vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.h3{font-size:clamp(17px,1.6vw,20px);line-height:1.4;font-weight:700}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,17px);line-height:1.7;margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7DE9FA;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--acc),transparent);border-radius:2px}
.muted{color:var(--muted)}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(5,11,22,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(37,99,235,.32));
  border:1px solid var(--line-strong);font-size:18px;
}
.brand-text{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#C6D6E8;transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.10)}
.nav-link.active{color:#03131F;background:linear-gradient(135deg,var(--acc),#60A5FA);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-ghost{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#BFE9F7;
  border:1px solid var(--line-strong);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(34,211,238,.12);color:#fff}
.btn-solid{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;color:#04131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
  box-shadow:0 0 20px rgba(34,211,238,.38);transition:.22s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(163,230,53,.45)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.btn:focus-visible,.nav-link:focus-visible{outline:2px solid var(--volt);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,26,43,.9);color:#fff;cursor:pointer;font-size:18px;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(6,14,26,.98)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,178,214,.08)}
.nav-mobile a.active{color:var(--acc);font-weight:700}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 22px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(34,211,238,.45)}
.btn-volt{background:linear-gradient(135deg,var(--volt),#22C55E);color:#06210F;box-shadow:0 0 22px rgba(163,230,53,.30)}
.btn-volt:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(163,230,53,.42)}
.btn-outline{border-color:var(--line-strong);color:#CFEFFA;background:rgba(34,211,238,.06)}
.btn-outline:hover{background:rgba(34,211,238,.14);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ===== Badges / chips ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(34,211,238,.12);color:#8CEBFB;border:1px solid rgba(34,211,238,.3);
}
.badge--volt{background:rgba(163,230,53,.12);color:#CBF26B;border-color:rgba(163,230,53,.32)}
.badge--warn{background:rgba(244,63,94,.14);color:#FF9BB0;border-color:rgba(244,63,94,.34)}
.badge--gold{background:rgba(251,191,36,.13);color:#FCD34D;border-color:rgba(251,191,36,.32)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:#C8DCF0;
  border:1px solid var(--line);background:rgba(12,26,43,.7);transition:.22s;
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(34,211,238,.12);transform:translateY(-2px)}

/* ===== Sections ===== */
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,19,31,.85),rgba(5,11,22,.6))}
.section--panel{background:linear-gradient(180deg,rgba(10,23,39,.9),rgba(5,11,22,.5));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:34px}
.section-head .lead{max-width:680px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.35),transparent);margin:0}

/* ===== Hero ===== */
.hero{
  position:relative;padding:150px 0 0;overflow:hidden;
  background:url('/assets/images/8ba46befdeff94cb.jpg') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,22,.88),rgba(5,11,22,.94) 55%,var(--bg));
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 380px at 22% 18%,rgba(34,211,238,.20),transparent 70%),
             radial-gradient(560px 360px at 82% 26%,rgba(163,230,53,.14),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:3;max-width:920px;margin:0 auto;text-align:center}
.hero h1{margin-bottom:18px}
.hero-claim{
  font-size:clamp(16px,1.6vw,20px);font-weight:600;color:#D8F6FF;max-width:760px;margin:0 auto;
}
.hero-copy{margin-top:18px;color:#A9BED6;font-size:16px;line-height:1.72;max-width:820px;margin-left:auto;margin-right:auto}
.hero-points{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.hero .btn-row{justify-content:center}
.ticker{
  position:relative;z-index:3;margin-top:46px;border-top:1px solid var(--line);
  background:rgba(6,14,26,.72);backdrop-filter:blur(8px);
}
.ticker-inner{display:flex;flex-wrap:wrap;align-items:center;gap:26px;padding:16px 0;font-size:13.5px;color:var(--muted)}
.ticker-label{font-weight:700;color:#8CEBFB;letter-spacing:.1em;text-transform:uppercase;font-size:11.5px}
.tick{font-weight:700;color:#DFF6FF}
.tick--up{color:var(--volt)}
.tick--down{color:#FF9BB0}

/* ===== Cards ===== */
.card{
  background:linear-gradient(180deg,rgba(16,35,56,.92),rgba(9,20,35,.92));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card--flat{background:rgba(12,26,43,.6)}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(140deg,rgba(34,211,238,.18),rgba(37,99,235,.26));
  border:1px solid var(--line-strong);margin-bottom:16px;
}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.68}
.card h3 a:hover{color:var(--acc)}
.stat-value{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,#8CEBFB,#A3E635);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px}

/* ===== Feature media blocks ===== */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.media-row.reverse .media-text{order:2}
.media-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.media-figure img{width:100%;height:100%;min-height:260px;object-fit:cover;transition:transform .5s}
.media-figure:hover img{transform:scale(1.04)}

/* ===== Search ===== */
.search-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.search-box{display:flex;gap:10px;padding:8px;border-radius:999px;background:rgba(12,26,43,.9);border:1px solid var(--line)}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;padding:10px 18px;font-size:15px;color:#fff;
}
.search-box input::placeholder{color:#7C90A8}
.search-box .btn{padding:11px 20px}

/* ===== Category matrix ===== */
.cat-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,35,56,.9),rgba(8,18,32,.95));transition:.28s;display:block;
}
.cat-card img{width:100%;height:170px;object-fit:cover;opacity:.88;transition:transform .5s,opacity .3s}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.cat-card:hover img{transform:scale(1.06);opacity:1}
.cat-body{padding:22px}
.cat-body p{color:var(--muted);font-size:14.5px;margin-top:8px}
.cat-more{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:700;color:#8CEBFB}
.cat-count{position:absolute;top:14px;right:14px}

/* ===== Comparison table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(10,23,39,.7)}
table.data{width:100%;border-collapse:collapse;min-width:640px}
table.data th,table.data td{padding:16px 20px;text-align:left;font-size:14.6px;border-bottom:1px solid rgba(148,178,214,.10)}
table.data thead th{
  font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:#8CEBFB;
  background:rgba(34,211,238,.07);font-weight:700;
}
table.data tbody tr:last-child td{border-bottom:0}
table.data td:first-child{color:#DFF6FF;font-weight:600}
td.good{color:var(--volt);font-weight:600}
td.bad{color:#9FB2C8}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--acc),rgba(34,211,238,0))}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--bg);border:2px solid var(--acc);box-shadow:0 0 14px rgba(34,211,238,.6);
}
.tl-step{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#8CEBFB}
.tl-item h3{margin:6px 0 8px}
.tl-item p{color:var(--muted);font-size:14.6px}

/* ===== Ranking ===== */
.rank-row{
  display:grid;grid-template-columns:56px 1.1fr 1.4fr auto;gap:16px;align-items:center;
  padding:16px 20px;border-bottom:1px solid rgba(148,178,214,.10);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:rgba(34,211,238,.06)}
.rank-no{font-weight:800;color:#8CEBFB;font-size:15px}
.rank-mult{font-weight:800;font-size:17px;color:var(--volt)}
.rank-note{font-size:14px;color:var(--muted)}

/* ===== CMS lists ===== */
.cms-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:28px;align-items:start}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.post-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(11,24,40,.82);
  display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#0A1727}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px}
.post-body h3{font-size:16.5px;line-height:1.42;font-weight:700}
.post-body h3 a:hover{color:var(--acc)}
.post-excerpt{color:var(--muted);font-size:14px;line-height:1.65}
.meta{font-size:12.5px;color:#7C90A8;letter-spacing:.03em}
.side-panel{border:1px solid var(--line);border-radius:var(--radius);background:rgba(11,24,40,.75);padding:22px}
.side-panel + .side-panel{margin-top:20px}
.side-panel h3{font-size:16px;margin-bottom:14px}
.side-list li{padding:11px 0;border-bottom:1px dashed rgba(148,178,214,.16);font-size:14.3px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{color:#CDE4F5;transition:color .2s}
.side-list a:hover{color:var(--acc)}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{
  display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;padding:18px 0;
  border-bottom:1px solid rgba(148,178,214,.12);
}
.news-item:last-child{border-bottom:0}
.news-item img{width:96px;height:66px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--line)}
.news-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.news-item h3 a:hover{color:var(--acc)}
.news-item p{font-size:13.8px;color:var(--muted)}
.empty-state{
  border:1px dashed rgba(148,178,214,.28);border-radius:var(--radius);padding:30px;
  text-align:center;color:var(--muted);font-size:14.5px;background:rgba(11,24,40,.5);
}

/* ===== Resource / collections ===== */
.res-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:rgba(11,24,40,.72);transition:.25s}
.res-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.res-tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#8CEBFB}
.collect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.collect-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  background:linear-gradient(150deg,rgba(16,35,56,.9),rgba(8,18,32,.92));transition:.28s;
}
.collect-card:hover{border-color:var(--line-strong);transform:translateY(-5px)}
.collect-num{font-size:32px;font-weight:800;color:transparent;background:linear-gradient(135deg,#8CEBFB,#A3E635);-webkit-background-clip:text;background-clip:text;line-height:1}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid rgba(148,178,214,.14);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item h3{font-size:16.5px;margin-bottom:8px}
.faq-item p{color:var(--muted);font-size:14.6px}

/* ===== Form ===== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;font-weight:600;color:#C9DCF0}
.field input,.field select{
  padding:13px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(6,14,26,.85);color:#fff;outline:none;transition:.2s;width:100%;
}
.field input:focus,.field select:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.privacy{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13.2px;color:var(--muted)}
.privacy input{margin-top:3px;width:16px;height:16px;accent-color:#22D3EE;flex:0 0 16px}
.form-note{margin-top:16px;font-size:13px;color:#7C90A8}
.form-msg{margin-top:14px;font-size:14px;color:var(--volt);font-weight:600;display:none}
.form-msg.show{display:block}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(6,14,26,.96),rgba(3,8,16,1));
  padding:60px 0 28px;position:relative;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#8CEBFB;margin-bottom:16px}
.foot-links li{padding:6px 0;font-size:14.2px;color:#A9BED6}
.foot-links a:hover{color:var(--acc)}
.foot-brand p{color:var(--muted);font-size:14.2px;margin-top:14px;max-width:420px}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pay-badge{
  padding:7px 13px;border-radius:9px;font-size:12.5px;font-weight:600;color:#D5E7F6;
  border:1px solid var(--line);background:rgba(12,26,43,.8);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  border:2px solid rgba(244,63,94,.55);color:#FF9BB0;font-weight:800;font-size:13px;margin-top:16px;
}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:#7C90A8;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,7,13,.80);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,11,20,.86),rgba(7,11,20,.86)),linear-gradient(135deg,#A3E635,#22D3EE,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  animation:fabPulse 2.6s ease-in-out infinite;transition:transform .22s,box-shadow .25s,opacity .25s;
  opacity:.82;
}
.fab:hover{opacity:1;transform:scale(1.09);box-shadow:0 0 30px rgba(163,230,53,.6)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab-icon{font-size:22px;transition:transform .3s}
.fab:hover .fab-icon{animation:flick .5s linear infinite}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(5,11,22,.9);animation:dotBlink 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35)}50%{box-shadow:0 0 28px rgba(163,230,53,.55)}}
@keyframes flick{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-desktop{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions{margin-left:auto}
  .cms-layout{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .collect-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .media-row{grid-template-columns:1fr;gap:24px}
  .media-row.reverse .media-text{order:0}
  .search-split{grid-template-columns:1fr;gap:22px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding-top:130px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .post-grid{grid-template-columns:1fr}
  .collect-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:44px 1fr;row-gap:6px}
  .rank-note{grid-column:2}
  .news-item{grid-template-columns:80px 1fr}
  .news-item img{width:80px;height:58px}
}
@media (max-width:520px){
  .brand-text{max-width:120px;font-size:13px}
  .brand-text small{display:none}
  .btn-ghost{padding:8px 12px;font-size:13px}
  .btn-solid{padding:9px 13px;font-size:13px}
  .header-inner{gap:10px;height:62px}
  .hero{padding-top:112px}
  .foot-grid{grid-template-columns:1fr}
  .ticker-inner{gap:14px;font-size:12.6px}
  .fab{left:12px;bottom:80px;width:52px;height:52px}
}

/* roulang page: article */
:root{
  --bg:#050B16;
  --bg-2:#08131F;
  --bg-3:#0A1727;
  --panel:#0C1A2B;
  --panel-2:#102338;
  --line:rgba(148,178,214,.16);
  --line-strong:rgba(34,211,238,.38);
  --txt:#EAF2FB;
  --muted:#93A7C0;
  --acc:#22D3EE;
  --acc-deep:#2563EB;
  --volt:#A3E635;
  --warn:#F43F5E;
  --gold:#FBBF24;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
  --glow:0 0 24px rgba(34,211,238,.30);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34,211,238,.13), transparent 65%),
    radial-gradient(700px 480px at 92% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 620px at 50% 110%, rgba(37,99,235,.16), transparent 70%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em}
ul,ol{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,17px);line-height:1.7;margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7DE9FA;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--acc),transparent);border-radius:2px}
.muted{color:var(--muted)}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(5,11,22,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(37,99,235,.32));
  border:1px solid var(--line-strong);font-size:18px;
}
.brand-text{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#C6D6E8;transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.10)}
.nav-link.active{color:#03131F;background:linear-gradient(135deg,var(--acc),#60A5FA);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-ghost{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#BFE9F7;
  border:1px solid var(--line-strong);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(34,211,238,.12);color:#fff}
.btn-solid{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;color:#04131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
  box-shadow:0 0 20px rgba(34,211,238,.38);transition:.22s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(163,230,53,.45)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.btn:focus-visible,.nav-link:focus-visible{outline:2px solid var(--volt);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,26,43,.9);color:#fff;cursor:pointer;font-size:18px;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(6,14,26,.98)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,178,214,.08)}
.nav-mobile a.active{color:var(--acc);font-weight:700}

/* ===== Buttons / badges ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 22px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(34,211,238,.45)}
.btn-volt{background:linear-gradient(135deg,var(--volt),#22C55E);color:#06210F;box-shadow:0 0 22px rgba(163,230,53,.30)}
.btn-volt:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(163,230,53,.42)}
.btn-outline{border-color:var(--line-strong);color:#CFEFFA;background:rgba(34,211,238,.06)}
.btn-outline:hover{background:rgba(34,211,238,.14);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(34,211,238,.12);color:#8CEBFB;border:1px solid rgba(34,211,238,.3);
}
.badge--volt{background:rgba(163,230,53,.12);color:#CBF26B;border-color:rgba(163,230,53,.32)}
.badge--warn{background:rgba(244,63,94,.14);color:#FF9BB0;border-color:rgba(244,63,94,.34)}
.badge--gold{background:rgba(251,191,36,.13);color:#FCD34D;border-color:rgba(251,191,36,.32)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:#C8DCF0;
  border:1px solid var(--line);background:rgba(12,26,43,.7);transition:.22s;
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(34,211,238,.12);transform:translateY(-2px)}

/* ===== Layout ===== */
#noi-dung{padding-top:68px;position:relative;z-index:2}
.section{padding:70px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,19,31,.85),rgba(5,11,22,.55))}
.section--panel{background:linear-gradient(180deg,rgba(10,23,39,.9),rgba(5,11,22,.5));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.5vw,34px)}
.section-head p{color:var(--muted);max-width:640px;margin-top:10px;font-size:15.5px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);border:0;margin:0}

/* ===== Article hero ===== */
.article-hero{padding:52px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:44px;align-items:start}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:18px;text-transform:uppercase;letter-spacing:.08em}
.crumb a:hover{color:var(--acc)}
.crumb span.sep{opacity:.5}
.article-hero h1{font-size:clamp(27px,3.4vw,44px);line-height:1.22}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13.5px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--acc);font-size:12px}
.hero-abstract{margin-top:22px;padding-left:18px;border-left:3px solid var(--line-strong);color:#C9DAEC;font-size:16.5px;line-height:1.7}
.hero-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(180deg,var(--panel),rgba(8,19,31,.9));box-shadow:var(--shadow);
}
.hero-card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,22,.05),rgba(5,11,22,.75))}
.hero-card-media .badge{position:absolute;left:16px;top:16px;z-index:2}
.hero-card-body{padding:22px}
.mini-stats{display:grid;gap:12px}
.mini-stats > div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:11px;border-bottom:1px dashed rgba(148,178,214,.18);font-size:14px}
.mini-stats > div:last-child{border-bottom:0;padding-bottom:0}
.mini-stats span{color:var(--muted)}
.mini-stats strong{font-size:16px;color:#fff;font-weight:800}
.mini-stats strong.hl{color:var(--volt)}
.hero-card-body .btn{width:100%;margin-top:20px}
.mini-note{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center;line-height:1.6}

/* ===== Article body + sidebar ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-body{min-width:0;overflow-wrap:break-word;font-size:16.5px;line-height:1.75;color:#DAE6F4}
.article-body > * + *{margin-top:18px}
.article-body h2{
  font-size:clamp(21px,2vw,27px);font-weight:800;margin-top:38px;padding-left:16px;
  border-left:4px solid var(--acc);line-height:1.35;color:#fff;
}
.article-body h3{font-size:clamp(18px,1.6vw,21px);font-weight:700;margin-top:28px;color:#fff}
.article-body h4{font-size:17px;font-weight:700;margin-top:22px;color:#EAF2FB}
.article-body p{margin:0}
.article-body a{color:#7DE9FA;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#fff}
.article-body ul,.article-body ol{padding-left:24px;margin:0}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:9px 0}
.article-body li::marker{color:var(--acc);font-weight:700}
.article-body strong{color:#fff}
.article-body img{border-radius:var(--radius);border:1px solid var(--line);margin:26px 0;width:100%}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--gold);
  background:rgba(251,191,36,.07);border-radius:0 var(--radius) var(--radius) 0;color:#F6E7C4;
}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(12,26,43,.9);color:#fff}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.notfound{
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);padding:38px 28px;
  background:rgba(12,26,43,.5);text-align:left;
}
.notfound h2{font-size:24px}
.notfound p{color:var(--muted);margin-top:12px}
.notfound .btn{margin-top:22px}
.side-col{display:grid;gap:20px;position:sticky;top:92px}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  background:linear-gradient(180deg,rgba(12,26,43,.85),rgba(8,19,31,.6));
}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-nav{list-style:none;padding:0;display:grid;gap:2px}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:#C4D6E8;transition:.2s;
}
.side-nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc);opacity:.55;flex:0 0 6px}
.side-nav a:hover{background:rgba(34,211,238,.10);color:#fff}
.side-card--cta{background:linear-gradient(180deg,rgba(34,211,238,.14),rgba(12,26,43,.85));border-color:var(--line-strong)}
.side-card--cta p{color:#C9DAEC;font-size:14px;line-height:1.65;margin-top:12px}
.side-card--cta .btn{width:100%;margin-top:18px}
.side-card--cta ul{list-style:none;padding:0;margin-top:14px;display:grid;gap:8px;font-size:13.5px;color:#C4D6E8}
.side-card--cta ul li{display:flex;gap:9px;align-items:flex-start}
.side-card--cta ul i{color:var(--volt);margin-top:4px;font-size:12px}

/* ===== Metrics ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  background:linear-gradient(160deg,rgba(12,26,43,.9),rgba(8,19,31,.55));transition:.25s;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.metric i{font-size:18px;color:var(--acc)}
.metric strong{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;margin-top:14px;color:#fff;letter-spacing:-.02em}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ===== Matrix ===== */
.matrix{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center}
.matrix-media{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.matrix-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.matrix h2{font-size:clamp(23px,2.5vw,33px)}
.matrix p{color:var(--muted);margin-top:16px;font-size:15.8px;line-height:1.75}
.step-list{list-style:none;padding:0;margin-top:24px;display:grid;gap:14px}
.step-list li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start}
.step-list b{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:14px;
  background:rgba(34,211,238,.13);color:#8CEBFB;border:1px solid rgba(34,211,238,.30);
}
.step-list h4{font-size:15.5px}
.step-list p{margin-top:5px;font-size:14.2px;color:var(--muted);line-height:1.65}

/* ===== Compare table ===== */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(9,20,34,.75);box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14.6px;border-bottom:1px solid rgba(148,178,214,.12)}
table.compare thead th{
  background:rgba(16,35,56,.95);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:#9FE9FA;font-weight:700;
}
table.compare tbody tr:hover{background:rgba(34,211,238,.05)}
table.compare td:first-child{color:#D8E5F3;font-weight:600}
table.compare td.yes{color:#C6F27A;font-weight:600}
table.compare td.no{color:#98A9BE}
table.compare tbody tr:last-child td{border-bottom:0}

/* ===== Timeline ===== */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),var(--line-strong),transparent)}
.tl-item{padding:0 20px;position:relative}
.tl-item:first-child{padding-left:0}
.tl-item:last-child{padding-right:0}
.tl-dot{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;position:relative;z-index:2;
  background:linear-gradient(140deg,rgba(34,211,238,.2),rgba(37,99,235,.35));
  border:1px solid var(--line-strong);color:#BDF2FD;font-weight:800;font-size:14px;
}
.tl-item h4{margin-top:18px;font-size:16px}
.tl-item p{margin-top:8px;font-size:14.2px;color:var(--muted);line-height:1.68}

/* ===== Category matrix ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{
  display:flex;flex-direction:column;gap:14px;padding:26px 24px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:linear-gradient(165deg,rgba(12,26,43,.9),rgba(8,19,31,.55));
  transition:.26s;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 22px 44px rgba(2,8,20,.6)}
.cat-card i{font-size:22px;color:var(--acc)}
.cat-card h3{font-size:19px}
.cat-card p{color:var(--muted);font-size:14.6px;line-height:1.7;flex:1}
.cat-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#8CEBFB}
.cat-link:hover{color:#fff;gap:12px}
.cat-link{transition:gap .2s,color .2s}

/* ===== Assurance ===== */
.assure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.assure-item{display:flex;gap:14px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,26,43,.5)}
.assure-item i{font-size:18px;color:var(--volt);margin-top:2px}
.assure-item h4{font-size:15.5px}
.assure-item p{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.65}
.license-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.license-row span{
  padding:8px 15px;border-radius:999px;font-size:12.5px;font-weight:600;color:#C4D6E8;
  border:1px solid var(--line);background:rgba(8,19,31,.7);display:inline-flex;align-items:center;gap:8px;
}
.license-row i{color:var(--gold);font-size:12px}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,26,43,.5);overflow:hidden;transition:.22s}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;
  align-items:center;gap:16px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--acc);font-weight:800;font-size:20px;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 20px;color:var(--muted);font-size:14.8px;line-height:1.72}

/* ===== CTA + form ===== */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(140deg,rgba(34,211,238,.12),rgba(12,26,43,.9) 55%,rgba(163,230,53,.10));
  box-shadow:var(--shadow);
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;padding:40px}
.cta-inner h2{font-size:clamp(23px,2.5vw,32px)}
.cta-inner > div > p{color:#C9DAEC;margin-top:16px;line-height:1.75;font-size:15.5px}
.cta-points{list-style:none;padding:0;margin-top:22px;display:grid;gap:11px;font-size:14.8px;color:#D3E3F2}
.cta-points li{display:flex;gap:11px;align-items:flex-start}
.cta-points i{color:var(--volt);margin-top:5px;font-size:13px}
.form-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:rgba(6,14,26,.75)}
.form-card h3{font-size:18px}
.form-card p.small{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}
.field{display:flex;flex-direction:column;min-width:0}
.field.full{grid-column:1 / -1}
.field label{font-size:12.5px;font-weight:600;color:#B9CBE0;margin-bottom:6px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,19,31,.9);color:#fff;transition:.2s;font-size:14.5px;
}
.field input::placeholder{color:#6F8399}
.field input:focus,.field select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.form-card .btn{width:100%;margin-top:20px}
.form-note{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.6;text-align:center}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:12px 20px;
  border-radius:999px;font-size:13.5px;font-weight:700;color:#EAF2FB;opacity:.78;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,11,22,.88),rgba(7,11,22,.88)),linear-gradient(120deg,var(--volt),var(--acc));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  transition:opacity .25s,transform .25s,box-shadow .25s;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(163,230,53,.5)}
.fab:active{transform:translateY(0) scale(.96)}
.fab .dot{width:9px;height:9px;border-radius:50%;background:var(--warn);box-shadow:0 0 10px var(--warn);animation:blink 1.5s infinite}
.fab i{color:var(--volt);font-size:14px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.28}}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,19,31,.9),rgba(4,9,18,.98));padding:58px 0 28px;margin-top:20px;position:relative;z-index:2}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.foot-brand p{color:var(--muted);font-size:14.2px;line-height:1.7;margin-top:16px;max-width:380px}
.site-footer h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#9FE9FA;margin-bottom:16px}
.foot-links{list-style:none;padding:0;display:grid;gap:10px}
.foot-links a{font-size:14px;color:#B9CBDF;transition:.2s}
.foot-links a:hover{color:var(--acc);padding-left:4px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pay-badge{padding:6px 12px;border-radius:9px;font-size:12px;font-weight:600;color:#C8DCF0;border:1px solid var(--line);background:rgba(12,26,43,.7)}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;margin-top:16px;
  width:44px;height:30px;border-radius:9px;border:1px solid var(--line-strong);
  color:#8CEBFB;font-weight:800;font-size:12.5px;
}
.foot-bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.8px;color:#7E93AA;line-height:1.6;
}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-desktop{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-ghost,.header-actions .btn-solid{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .side-col{position:static}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .matrix{grid-template-columns:1fr;gap:28px}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .assure{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .timeline::before{display:none}
  .tl-item{padding:0}
  .cta-inner{grid-template-columns:1fr;padding:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:760px){
  .section{padding:52px 0}
  .article-hero{padding:36px 0 42px}
  .genre-hero-row{flex-direction:column}
  .metric-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .brand-text{max-width:150px;font-size:14px}
  .hero-card-body{padding:18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-hero h1{font-size:26px}
  .btn{padding:12px 18px;font-size:14.5px}
  .fab{padding:12px 15px}
  .fab .fab-text{display:none}
  .metric{padding:20px 18px}
  .side-card{padding:18px}
  .cta-inner{padding:24px 20px}
}

/* roulang page: category1 */
:root{
  --bg:#050B16;
  --bg-2:#08131F;
  --bg-3:#0A1727;
  --panel:#0C1A2B;
  --panel-2:#102338;
  --line:rgba(148,178,214,.16);
  --line-strong:rgba(34,211,238,.38);
  --txt:#EAF2FB;
  --muted:#93A7C0;
  --acc:#22D3EE;
  --acc-deep:#2563EB;
  --volt:#A3E635;
  --warn:#F43F5E;
  --gold:#FBBF24;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
  --glow:0 0 24px rgba(34,211,238,.30);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
.site-body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
.site-body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34,211,238,.13), transparent 65%),
    radial-gradient(700px 480px at 92% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 620px at 50% 110%, rgba(37,99,235,.16), transparent 70%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
section[id]{scroll-margin-top:92px}
.anchor-alias{display:block;position:relative;top:-92px;visibility:hidden}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,17px);line-height:1.7;margin:14px 0 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7DE9FA;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--acc),transparent);border-radius:2px}
.muted{color:var(--muted)}
.hl{background:linear-gradient(100deg,#7DE9FA,#A3E635);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(5,11,22,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(37,99,235,.32));
  border:1px solid var(--line-strong);font-size:18px;
}
.brand-text{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#C6D6E8;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.10)}
.nav-link.active{color:#03131F;background:linear-gradient(135deg,var(--acc),#60A5FA);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-ghost{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#BFE9F7;
  border:1px solid var(--line-strong);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(34,211,238,.12);color:#fff}
.btn-solid{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;color:#04131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
  box-shadow:0 0 20px rgba(34,211,238,.38);transition:.22s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(163,230,53,.45)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.btn:focus-visible,.nav-link:focus-visible,
.chip:focus-visible,.fab:focus-visible,summary:focus-visible{outline:2px solid var(--volt);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,26,43,.9);color:#fff;cursor:pointer;font-size:18px;line-height:1;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(6,14,26,.98)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,178,214,.08)}
.nav-mobile a.active{color:var(--acc);font-weight:700}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 22px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(34,211,238,.45)}
.btn-volt{background:linear-gradient(135deg,var(--volt),#22C55E);color:#06210F;box-shadow:0 0 22px rgba(163,230,53,.30)}
.btn-volt:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(163,230,53,.42)}
.btn-outline{border-color:var(--line-strong);color:#CFEFFA;background:rgba(34,211,238,.06)}
.btn-outline:hover{background:rgba(34,211,238,.14);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ===== Badges / chips ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(34,211,238,.12);color:#8CEBFB;border:1px solid rgba(34,211,238,.3);
}
.badge--volt{background:rgba(163,230,53,.12);color:#CBF26B;border-color:rgba(163,230,53,.32)}
.badge--warn{background:rgba(244,63,94,.14);color:#FF9BB0;border-color:rgba(244,63,94,.34)}
.badge--gold{background:rgba(251,191,36,.13);color:#FCD34D;border-color:rgba(251,191,36,.32)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:#C8DCF0;
  border:1px solid var(--line);background:rgba(12,26,43,.7);transition:.22s;
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(34,211,238,.12);transform:translateY(-2px)}

/* ===== Sections ===== */
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,19,31,.85),rgba(5,11,22,.6))}
.section--panel{
  background:linear-gradient(180deg,rgba(10,23,39,.9),rgba(5,11,22,.5));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:38px;flex-wrap:wrap}
.section-title{font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.25;margin:0;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:15.5px;line-height:1.7;margin:12px 0 0;max-width:62ch}

/* ===== Hero ===== */
.hero{position:relative;padding:150px 0 78px;overflow:hidden;text-align:center;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,22,.72) 0%,rgba(5,11,22,.88) 55%,rgba(5,11,22,.98) 100%);
}
.hero-inner{position:relative;z-index:3;max-width:920px;margin:0 auto}
.hero-title{font-size:clamp(27px,4.4vw,50px);font-weight:800;line-height:1.18;margin:0;letter-spacing:-.02em}
.hero-sub{color:#C2D5E9;font-size:clamp(15px,1.2vw,17.5px);line-height:1.7;margin:18px auto 0;max-width:70ch}
.hero-search{
  display:flex;gap:10px;align-items:center;margin:30px auto 0;max-width:640px;
  padding:9px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(10,23,39,.86);box-shadow:var(--glow);flex-wrap:wrap;
}
.hero-search input{
  flex:1 1 240px;min-width:0;background:transparent;border:0;outline:none;
  padding:11px 18px;font-size:15px;color:var(--txt);
}
.hero-search input::placeholder{color:#6E86A3}
.hero-chips{justify-content:center;margin-top:22px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  margin-top:44px;padding-top:30px;border-top:1px solid var(--line);text-align:left;
}
.hero-stat strong{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.15}
.hero-stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.03em}
.hero-note{margin-top:20px;font-size:12.5px;color:#7C93AE}

/* ===== Stat board ===== */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.stat-card{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(12,26,43,.92),rgba(8,19,31,.72));
  transition:.25s;
}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-card b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-.02em}
.stat-card p{margin:10px 0 0;font-size:14.5px;color:var(--muted);line-height:1.65}
.stat-card .tag{margin-bottom:14px;display:inline-flex}

/* ===== Mechanism ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.step-list{display:grid;gap:14px;margin-top:26px}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:16px;padding:18px 20px;
  border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,26,43,.65);transition:.25s;
}
.step:hover{border-color:var(--line-strong);background:rgba(16,35,56,.85)}
.step-num{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:16px;
  color:#04131F;background:linear-gradient(140deg,var(--acc),var(--volt));
}
.step h3{margin:0 0 6px;font-size:17px;font-weight:700}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.65}
.panel{
  padding:26px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(16,35,56,.95),rgba(6,14,26,.9));
  box-shadow:var(--shadow);
}
.panel h3{margin:0 0 14px;font-size:19px;font-weight:800}
.panel ul{display:grid;gap:12px;margin-top:8px}
.panel li{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:14.5px;color:#C6D8EA;line-height:1.6}
.panel li::before{content:"◆";color:var(--volt);font-size:10px;line-height:1.7}
.ratio-row{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--muted)}
.ratio-bar{flex:1;height:8px;border-radius:999px;background:rgba(148,178,214,.14);overflow:hidden}
.ratio-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--acc),var(--volt))}

/* ===== Filter + Table ===== */
.filter-bar{
  display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px;
  padding:12px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(10,23,39,.7);
}
.filter-bar input{
  flex:1 1 260px;min-width:0;background:rgba(5,11,22,.7);border:1px solid var(--line);
  border-radius:999px;padding:11px 18px;font-size:14.5px;outline:none;transition:.2s;
}
.filter-bar input:focus{border-color:var(--line-strong);box-shadow:var(--glow)}
.filter-count{font-size:13px;color:var(--muted);white-space:nowrap}
.table-wrap{
  border-radius:var(--radius);border:1px solid var(--line);overflow:auto;
  background:linear-gradient(180deg,rgba(12,26,43,.9),rgba(6,14,26,.8));
}
table.data{width:100%;border-collapse:collapse;min-width:640px}
table.data th{
  text-align:left;font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:#8FD8EA;
  padding:15px 18px;background:rgba(16,35,56,.8);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:14px 18px;border-bottom:1px solid rgba(148,178,214,.09);font-size:14.5px;color:#D3E2F1}
table.data tbody tr{transition:background .2s}
table.data tbody tr:hover{background:rgba(34,211,238,.06)}
table.data td:first-child{font-weight:800;color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap}
table.data tr.is-high td:first-child{color:var(--volt)}
.empty-note{padding:18px;border-radius:var(--radius);border:1px dashed var(--line);color:var(--muted);font-size:14.5px;text-align:left}

/* ===== Compare ===== */
.cmp-note{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.6}

/* ===== Scenario cards ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;padding:18px;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(150deg,rgba(12,26,43,.9),rgba(6,14,26,.75));
  transition:.25s;text-align:left;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.scene-card img{width:150px;height:132px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--line)}
.scene-card h3{margin:8px 0 8px;font-size:17.5px;font-weight:700;line-height:1.35}
.scene-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;font-size:12.5px;color:#9FE9F8}
.scene-meta span{padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(34,211,238,.08)}

/* ===== Timeline ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(34,211,238,.6),rgba(163,230,53,.35),transparent);
}
.tl-item{position:relative;padding-top:64px}
.tl-dot{
  position:absolute;top:14px;left:0;width:26px;height:26px;border-radius:50%;
  background:var(--bg);border:2px solid var(--acc);box-shadow:0 0 16px rgba(34,211,238,.55);
}
.tl-item h3{margin:0 0 8px;font-size:17px;font-weight:700}
.tl-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}
.tl-time{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:700;letter-spacing:.08em;color:#8CEBFB;text-transform:uppercase}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{
  border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,26,43,.7);
  transition:.25s;overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.news-card .news-link{display:block;padding:22px;text-align:left}
.news-card h3{margin:12px 0 8px;font-size:16.5px;font-weight:700;line-height:1.4;color:#fff}
.news-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}
.news-card time{display:block;margin-top:14px;font-size:12.5px;color:#7C93AE}

/* ===== Security ===== */
.sec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.sec-item{
  display:grid;grid-template-columns:46px 1fr;gap:16px;padding:20px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(12,26,43,.6);transition:.25s;
}
.sec-item:hover{border-color:var(--line-strong);background:rgba(16,35,56,.8)}
.sec-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(140deg,rgba(34,211,238,.2),rgba(163,230,53,.16));border:1px solid var(--line);
}
.sec-item h3{margin:0 0 6px;font-size:16.5px;font-weight:700}
.sec-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pay-badge{
  padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;color:#CFE8F7;
  border:1px solid var(--line);background:rgba(10,23,39,.8);
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,26,43,.62);
  transition:.22s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(16,35,56,.8)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:700;color:#EAF2FB;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--acc);font-size:20px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.7}

/* ===== CTA form ===== */
.cta-section{position:relative;overflow:hidden}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.20}
.cta-section::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,11,22,.94),rgba(8,19,31,.86));
}
.cta-wrap{position:relative;z-index:3;display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.cta-copy h2{margin:0;font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.25}
.cta-copy p{color:var(--muted);font-size:15.5px;line-height:1.7;margin:14px 0 0}
.cta-list{display:grid;gap:12px;margin-top:22px}
.cta-list li{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:14.5px;color:#C6D8EA}
.cta-list li::before{content:"✓";color:var(--volt);font-weight:800}
.form-card{
  padding:26px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(16,35,56,.96),rgba(6,14,26,.92));box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:#B7CDE2;letter-spacing:.02em}
.field input,.field select{
  width:100%;padding:12px 15px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(5,11,22,.75);font-size:14.5px;outline:none;transition:.2s;
}
.field input:focus,.field select:focus{border-color:var(--acc);box-shadow:var(--glow)}
.field select option{background:#08131F;color:#EAF2FB}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-top:4px}
.check-row input{width:17px;height:17px;margin-top:2px;accent-color:#22D3EE}
.form-note{font-size:12.5px;color:#7C93AE;margin-top:14px;line-height:1.6}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(163,230,53,.4);background:rgba(163,230,53,.12);color:#D7F79A;font-size:14px;
}
.form-success.show{display:block}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,19,31,.96),rgba(4,9,18,.99));
  padding:56px 0 26px;position:relative;z-index:2;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin:16px 0 0;max-width:40ch}
.foot-brand .brand{margin-bottom:4px}
.foot-grid h4{margin:0 0 14px;font-size:14px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#9FE9F8}
.foot-links{display:grid;gap:10px}
.foot-links a{font-size:14px;color:#A9BED4;transition:.2s}
.foot-links a:hover{color:#fff;padding-left:3px}
.age-badge{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;padding:6px 13px;border-radius:999px;
  font-size:12px;font-weight:800;letter-spacing:.08em;color:#FFD9E1;
  border:1px solid rgba(244,63,94,.45);background:rgba(244,63,94,.12);
}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;color:#7C93AE;line-height:1.6;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#CBF7FF;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,13,22,.94),rgba(7,13,22,.94)),linear-gradient(135deg,var(--acc),var(--volt));
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(34,211,238,.45);opacity:.82;transition:.25s;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 32px rgba(34,211,238,.7)}
.fab:active{transform:scale(.95)}
.fab-ico{font-size:17px;line-height:1}
.fab-dot{
  position:absolute;top:7px;right:9px;width:9px;height:9px;border-radius:50%;
  background:var(--warn);box-shadow:0 0 10px var(--warn);animation:pulse 1.4s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .header-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:26px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline::before{display:none}
  .tl-item{padding-top:0;padding-left:44px}
  .tl-dot{top:2px}
}
@media (max-width:860px){
  .section{padding:56px 0}
  .hero{padding:126px 0 60px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:1fr}
  .sec-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;gap:26px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .header-inner{height:62px;gap:10px}
  .brand-text{max-width:150px;font-size:13.5px}
  .brand-text small{font-size:10px}
  .btn-ghost{padding:8px 12px;font-size:13px}
  .btn-solid{padding:9px 14px;font-size:13px}
  .hero-search{border-radius:20px;padding:10px}
  .hero-search input{padding:10px 8px}
  .hero-search .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .scene-card{grid-template-columns:1fr}
  .scene-card img{width:100%;height:186px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column}
  .fab{padding:11px 14px;font-size:11.5px;bottom:88px}
  .section-head{margin-bottom:26px}
}

/* roulang page: category3 */
:root{
  --bg:#050B16;
  --bg-2:#08131F;
  --bg-3:#0A1727;
  --panel:#0C1A2B;
  --panel-2:#102338;
  --line:rgba(148,178,214,.16);
  --line-strong:rgba(34,211,238,.38);
  --txt:#EAF2FB;
  --muted:#93A7C0;
  --acc:#22D3EE;
  --acc-deep:#2563EB;
  --volt:#A3E635;
  --warn:#F43F5E;
  --gold:#FBBF24;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
  --glow:0 0 24px rgba(34,211,238,.30);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34,211,238,.13), transparent 65%),
    radial-gradient(700px 480px at 92% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 620px at 50% 110%, rgba(37,99,235,.16), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7DE9FA;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--acc),transparent);border-radius:2px}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,17px);line-height:1.7;margin-top:16px}
.muted{color:var(--muted)}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(5,11,22,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(37,99,235,.32));
  border:1px solid var(--line-strong);font-size:18px;
}
.brand-text{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#C6D6E8;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.10)}
.nav-link.active{color:#03131F;background:linear-gradient(135deg,var(--acc),#60A5FA);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-ghost{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#BFE9F7;
  border:1px solid var(--line-strong);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(34,211,238,.12);color:#fff}
.btn-solid{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;color:#04131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
  box-shadow:0 0 20px rgba(34,211,238,.38);transition:.22s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(163,230,53,.45)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.btn:focus-visible,.nav-link:focus-visible,
.nav-toggle:focus-visible,.chip:focus-visible{outline:2px solid var(--volt);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,26,43,.9);color:#fff;cursor:pointer;font-size:18px;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(6,14,26,.98)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,178,214,.08)}
.nav-mobile a.active{color:var(--acc);font-weight:700}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 22px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(34,211,238,.45)}
.btn-volt{background:linear-gradient(135deg,var(--volt),#22C55E);color:#06210F;box-shadow:0 0 22px rgba(163,230,53,.30)}
.btn-volt:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(163,230,53,.42)}
.btn-outline{border-color:var(--line-strong);color:#CFEFFA;background:rgba(34,211,238,.06)}
.btn-outline:hover{background:rgba(34,211,238,.14);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ===== Badges / chips ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(34,211,238,.12);color:#8CEBFB;border:1px solid rgba(34,211,238,.3);
}
.badge--volt{background:rgba(163,230,53,.12);color:#CBF26B;border-color:rgba(163,230,53,.32)}
.badge--warn{background:rgba(244,63,94,.14);color:#FF9BB0;border-color:rgba(244,63,94,.34)}
.badge--gold{background:rgba(251,191,36,.13);color:#FCD34D;border-color:rgba(251,191,36,.32)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:#C8DCF0;
  border:1px solid var(--line);background:rgba(12,26,43,.7);transition:.22s;
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(34,211,238,.12);transform:translateY(-2px)}

/* ===== Sections ===== */
.section{padding:74px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,19,31,.85),rgba(5,11,22,.55));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--panel{background:linear-gradient(180deg,rgba(10,23,39,.9),rgba(5,11,22,.5))}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:42px}
.section-head .sec-title{font-size:clamp(22px,2.4vw,32px);letter-spacing:-.01em;max-width:640px}
.section-head p{max-width:470px;color:var(--muted);font-size:14.5px;line-height:1.65}

/* ===== Hero ===== */
.hero{
  position:relative;padding:136px 0 78px;border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(5,11,22,.90) 0%, rgba(5,11,22,.96) 52%, var(--bg) 100%),
    url('/assets/images/8ba46befdeff94cb.jpg') center/cover no-repeat;
}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero h1{
  font-size:clamp(27px,3.5vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.015em;
  background:linear-gradient(120deg,#FFFFFF 20%,#A8E9F8 65%,#CBF26B 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-list{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:11px}
.hero-list li{position:relative;padding-left:28px;font-size:14.8px;color:#C9DBED;line-height:1.6}
.hero-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:5px;
  background:linear-gradient(135deg,var(--acc),var(--volt));box-shadow:0 0 12px rgba(34,211,238,.5);
}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:22px;border-top:1px dashed var(--line)}
.trust-row span{
  font-size:12px;font-weight:600;letter-spacing:.05em;color:#9FB6CF;
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:rgba(12,26,43,.6);
}
.hero-panel{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(16,35,56,.95),rgba(8,19,31,.85));
  box-shadow:var(--shadow),0 0 34px rgba(34,211,238,.16);
}
.hero-panel img{width:100%;height:230px;object-fit:cover;opacity:.92}
.hero-panel .panel-body{padding:22px}
.panel-title{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#7DE9FA;font-weight:700}
.panel-rows{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.panel-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-bottom:11px;border-bottom:1px dashed var(--line);font-size:14px}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row b{font-size:16px;font-weight:800;color:#EAF2FB}
.panel-row span{color:var(--muted)}

/* ===== Metric board ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:linear-gradient(160deg,var(--panel),rgba(16,35,56,.72));
  border:1px solid var(--line);border-left:3px solid var(--acc);
  border-radius:var(--radius);padding:22px 20px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-5px);border-left-color:var(--volt);box-shadow:var(--shadow)}
.metric b{
  display:block;font-size:clamp(23px,2.5vw,31px);font-weight:800;line-height:1.14;
  background:linear-gradient(135deg,var(--acc),var(--volt));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.55}

/* ===== Pay channels ===== */
.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pay-card{
  display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(12,26,43,.62);transition:transform .25s,border-color .25s,background .25s;
}
.pay-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(34,211,238,.07)}
.pay-logo{
  width:54px;height:54px;flex:0 0 54px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:12.5px;letter-spacing:.02em;text-align:center;line-height:1.15;
  background:linear-gradient(140deg,rgba(34,211,238,.20),rgba(37,99,235,.30));
  border:1px solid var(--line-strong);color:#D6F4FD;
}
.pay-card h3{font-size:16px}
.pay-card p{margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.6}
.pay-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.pay-meta span{font-size:11.5px;padding:3px 10px;border-radius:999px;background:rgba(148,178,214,.10);color:#BFD5EC;border:1px solid var(--line)}

/* ===== Security list ===== */
.sec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
.sec-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--line)}
.sec-item .num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04131F;background:linear-gradient(135deg,var(--acc),var(--volt));
}
.sec-item h3{font-size:16px}
.sec-item p{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.62}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:6px}
.step-no{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 20px rgba(34,211,238,.35);
}
.step h3{margin-top:16px;font-size:16.5px}
.step p{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.62}
.step::after{content:"";position:absolute;top:26px;right:-12px;width:24px;height:1px;background:linear-gradient(90deg,var(--line-strong),transparent)}
.steps .step:last-child::after{display:none}

/* ===== Compare table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,26,43,.55)}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px}
.cmp th,.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{
  font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#9FB6CF;font-weight:700;
  background:rgba(8,19,31,.9);
}
.cmp tbody tr:hover{background:rgba(34,211,238,.06)}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp td.yes{color:#CBF26B;font-weight:600}
.cmp td.no{color:#9FB6CF}

/* ===== Help grid ===== */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.help-item{
  padding:20px 20px 20px 22px;border-left:3px solid var(--line-strong);
  background:rgba(12,26,43,.55);border-radius:0 var(--radius) var(--radius) 0;
  transition:transform .25s,border-color .25s;
}
.help-item:hover{transform:translateY(-4px);border-left-color:var(--volt)}
.help-item h3{font-size:15.5px}
.help-item p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.62}

/* ===== Two column ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-frame{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.media-frame img{width:100%;height:330px;object-fit:cover}
.limit-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.limit-row{display:flex;flex-direction:column;gap:9px}
.limit-top{display:flex;justify-content:space-between;font-size:14px;color:#C9DBED}
.limit-top b{color:#EAF2FB}
.bar{height:8px;border-radius:999px;background:rgba(148,178,214,.14);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--acc),var(--volt))}
.bar--gold i{background:linear-gradient(90deg,var(--gold),#F97316)}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,26,43,.6);transition:border-color .25s,background .25s}
.faq-item[open]{border-color:var(--line-strong);background:rgba(34,211,238,.07)}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:600;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--acc);font-size:21px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 19px;color:var(--muted);font-size:14.4px;line-height:1.7}

/* ===== Channel matrix ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
  display:block;padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(16,35,56,.85),rgba(8,19,31,.7));transition:.25s;
}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:var(--shadow)}
.channel-card h3{font-size:17px;margin-top:12px}
.channel-card p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.62}
.channel-card .go{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:13.5px;font-weight:700;color:#8CEBFB}
.channel-card.is-current{border-color:rgba(163,230,53,.42);box-shadow:0 0 24px rgba(163,230,53,.14)}

/* ===== CTA ===== */
.cta-box{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:40px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(16,35,56,.96),rgba(8,19,31,.9));
  box-shadow:var(--shadow),0 0 40px rgba(34,211,238,.12);
}
.cta-box h2{font-size:clamp(21px,2.2vw,29px);line-height:1.25}
.cta-box p{margin-top:14px;color:var(--muted);font-size:14.6px;line-height:1.68}
.cta-points{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:24px;font-size:14px;color:#C9DBED}
.cta-points li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:4px;background:linear-gradient(135deg,var(--acc),var(--volt))}
.form-card{background:rgba(5,11,22,.7);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.form-row{margin-bottom:15px}
.form-row label{display:block;font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#9FB6CF;margin-bottom:8px}
.form-row input,.form-row select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(8,19,31,.9);color:var(--txt);transition:border-color .2s,box-shadow .2s;
}
.form-row input::placeholder{color:#6E8399}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.form-note{margin-top:13px;font-size:12.4px;color:#7D91A9;line-height:1.6}
.btn-block{width:100%}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;min-height:56px;border-radius:999px;
  font-weight:700;font-size:13.5px;color:#DDF3FF;
  background:
    linear-gradient(rgba(7,12,22,.90),rgba(7,12,22,.90)) padding-box,
    linear-gradient(135deg,var(--acc),var(--volt)) border-box;
  border:2px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  backdrop-filter:blur(12px);
  opacity:.92;transition:transform .25s,box-shadow .25s,opacity .25s;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 34px rgba(163,230,53,.48)}
.fab:active{transform:scale(.96)}
.fab .fab-icon{font-size:17px;filter:drop-shadow(0 0 6px rgba(34,211,238,.8))}
.fab .fab-dot{
  position:absolute;top:-4px;right:-4px;width:13px;height:13px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(5,11,22,.9);animation:fabPulse 1.8s infinite;
}
@keyframes fabPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.65}}

/* ===== Footer ===== */
.site-footer{
  margin-top:24px;padding:58px 0 28px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,19,31,.96),rgba(3,8,16,1));
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.66;margin-top:14px;max-width:340px}
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#9FB6CF}
.foot-links{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--muted);font-size:14px;transition:color .2s,padding-left .2s}
.foot-links a:hover{color:var(--acc);padding-left:5px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badge{font-size:11.5px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:#BFD5EC;background:rgba(12,26,43,.7)}
.age-badge{
  display:inline-flex;margin-top:18px;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:#FFD9E0;border:1px solid rgba(244,63,94,.5);border-radius:999px;padding:4px 13px;
}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:42px;padding-top:22px;
  border-top:1px solid var(--line);font-size:12.5px;color:#7D91A9;line-height:1.6;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-desktop{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions{margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:1fr}
  .sec-list{grid-template-columns:1fr;gap:0}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px 22px}
  .step::after{display:none}
  .help-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr;gap:30px}
  .channel-grid{grid-template-columns:1fr 1fr}
  .cta-box{grid-template-columns:1fr;gap:28px;padding:30px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:118px 0 58px}
  .section-head{margin-bottom:30px}
  .help-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
  .media-frame img{height:250px}
  .hero-panel img{height:200px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .header-inner{height:62px;gap:10px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px}
  .brand-text{font-size:12.5px;max-width:104px}
  .brand-text small{font-size:9.5px;letter-spacing:0}
  .btn-ghost,.btn-solid{padding:8px 11px;font-size:12px}
  .header-actions{gap:6px;margin-left:auto}
  .nav-toggle{width:38px;height:38px;font-size:16px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:12px}
  .metric{padding:18px 16px}
  .steps{grid-template-columns:1fr}
  .cta-box{padding:22px}
  .form-card{padding:18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{font-size:11.8px}
  .fab{left:12px;bottom:84px;padding:11px 15px;font-size:12.5px}
  .cmp{font-size:13.5px;min-width:520px}
  .cmp th,.cmp td{padding:12px 14px}
}

/* roulang page: category2 */
:root{
  --bg:#050B16;
  --bg-2:#08131F;
  --bg-3:#0A1727;
  --panel:#0C1A2B;
  --panel-2:#102338;
  --line:rgba(148,178,214,.16);
  --line-strong:rgba(34,211,238,.38);
  --txt:#EAF2FB;
  --muted:#93A7C0;
  --acc:#22D3EE;
  --acc-deep:#2563EB;
  --volt:#A3E635;
  --warn:#F43F5E;
  --gold:#FBBF24;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
  --glow:0 0 24px rgba(34,211,238,.30);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(34,211,238,.13), transparent 65%),
    radial-gradient(700px 480px at 92% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 620px at 50% 110%, rgba(37,99,235,.16), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
body .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.lead{color:var(--muted);font-size:clamp(15px,1.15vw,17px);line-height:1.7;margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7DE9FA;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--acc),transparent);border-radius:2px}
.muted{color:var(--muted)}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(5,11,22,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(37,99,235,.32));
  border:1px solid var(--line-strong);font-size:18px;
}
.brand-text{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#C6D6E8;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.10)}
.nav-link.active{color:#03131F;background:linear-gradient(135deg,var(--acc),#60A5FA);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-ghost{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#BFE9F7;
  border:1px solid var(--line-strong);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(34,211,238,.12);color:#fff}
.btn-solid{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;color:#04131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
  box-shadow:0 0 20px rgba(34,211,238,.38);transition:.22s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(163,230,53,.45)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.news-more:focus-visible{outline:2px solid var(--volt);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,26,43,.9);color:#fff;cursor:pointer;font-size:18px;
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:rgba(6,14,26,.98)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;font-weight:500;border-bottom:1px solid rgba(148,178,214,.08)}
.nav-mobile a.active{color:var(--acc);font-weight:700}

/* ===== Buttons / badges / chips ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-deep));color:#03131F;box-shadow:0 0 22px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(34,211,238,.45)}
.btn-volt{background:linear-gradient(135deg,var(--volt),#22C55E);color:#06210F;box-shadow:0 0 22px rgba(163,230,53,.30)}
.btn-volt:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(163,230,53,.42)}
.btn-outline{border-color:var(--line-strong);color:#CFEFFA;background:rgba(34,211,238,.06)}
.btn-outline:hover{background:rgba(34,211,238,.14);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(34,211,238,.12);color:#8CEBFB;border:1px solid rgba(34,211,238,.3);
}
.badge--volt{background:rgba(163,230,53,.12);color:#CBF26B;border-color:rgba(163,230,53,.32)}
.badge--gold{background:rgba(251,191,36,.13);color:#FCD34D;border-color:rgba(251,191,36,.32)}

/* ===== Sections ===== */
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,19,31,.85),rgba(5,11,22,.6))}
.section--panel{background:linear-gradient(180deg,rgba(10,23,39,.9),rgba(5,11,22,.5));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.22;margin:0;font-weight:800;letter-spacing:-.4px;max-width:720px}
.section-head p{margin:0;max-width:460px;color:var(--muted);font-size:15px;line-height:1.7}

/* ===== Hero ===== */
.page-hero{padding:132px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.page-hero h1{font-size:clamp(27px,3.4vw,44px);line-height:1.18;font-weight:800;margin:0;letter-spacing:-.6px}
.hero-hl{background:linear-gradient(120deg,var(--acc),var(--volt));-webkit-background-clip:text;background-clip:text;color:transparent}
.crumb{font-size:13px;color:#7F93AC;margin-bottom:16px}
.crumb a:hover{color:var(--acc)}
.crumb span{margin:0 8px;opacity:.55}
.status-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  padding:8px 13px;border-radius:999px;border:1px solid var(--line);
  background:rgba(12,26,43,.72);color:#C3D8EC;
}
.status-pill i{color:var(--volt)}
.icon-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.icon-tile{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 15px;text-align:left;
  background:linear-gradient(150deg,rgba(16,35,56,.9),rgba(8,19,31,.75));transition:.25s;
}
.icon-tile:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.icon-tile i{font-size:19px;color:var(--acc)}
.icon-tile strong{display:block;font-size:14px;margin-top:11px;line-height:1.35}
.icon-tile span{display:block;font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.5}

/* ===== Metrics ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:38px}
.metric-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;background:linear-gradient(160deg,rgba(12,26,43,.95),rgba(6,15,26,.8));transition:.25s;
}
.metric-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.metric-card::after{content:"";position:absolute;top:0;bottom:0;left:0;width:3px;background:linear-gradient(180deg,var(--acc),transparent)}
.metric-value{font-size:clamp(23px,2.4vw,32px);font-weight:800;color:#DFF6FF;letter-spacing:-.5px}
.metric-label{font-size:12.5px;font-weight:700;color:#9FE4F5;text-transform:uppercase;letter-spacing:.08em;margin-top:6px}
.metric-note{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.6}
.note-line{margin-top:22px;font-size:13.5px;color:var(--muted);border-left:3px solid var(--line-strong);padding-left:14px;max-width:820px}

/* ===== Plan cards ===== */
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
.plan-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  background:linear-gradient(150deg,rgba(12,26,43,.9),rgba(6,15,26,.72));transition:.25s;
}
.plan-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
.plan-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#7DE9FA;letter-spacing:.16em}
.plan-card h3{font-size:19px;margin:12px 0 0;font-weight:700;line-height:1.35}
.plan-card p{margin:10px 0 0;font-size:14px;color:var(--muted);line-height:1.65}
.plan-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:9px}
.plan-list li{font-size:14px;color:#C6D6E8;padding-left:20px;position:relative;line-height:1.6}
.plan-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--acc),var(--volt));
}

/* ===== Compare table ===== */
.compare-wrap{
  margin-top:36px;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow-x:auto;background:rgba(8,19,31,.6);
}
.compare-table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th{
  background:rgba(16,35,56,.85);font-size:12.5px;text-transform:uppercase;
  letter-spacing:.1em;color:#9FE4F5;font-weight:700;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:rgba(34,211,238,.05)}
.col-bad{color:#FFB3C2}
.col-good{color:#CBF285}
.compare-table td:first-child{font-weight:600;color:#D7E6F6}

/* ===== Milestones ===== */
.milestone-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start;margin-top:38px}
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.timeline li{position:relative;padding-left:54px}
.timeline li::before{
  content:attr(data-step);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;font-size:13px;font-weight:800;color:#05131F;
  background:linear-gradient(135deg,var(--acc),var(--volt));
}
.timeline li::after{content:"";position:absolute;left:17px;top:42px;bottom:-22px;width:1px;background:var(--line)}
.timeline li:last-child::after{display:none}
.timeline h3{font-size:16.5px;margin:5px 0 6px;font-weight:700}
.timeline p{margin:0;font-size:14px;color:var(--muted);line-height:1.68}
.figure-frame{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow);position:relative;
}
.figure-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.figure-frame figcaption{padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}
.news-card{
  display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:linear-gradient(160deg,rgba(12,26,43,.9),rgba(6,15,26,.7));transition:.25s;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.news-date{font-size:12.5px;color:var(--muted)}
.news-title{font-size:16.5px;font-weight:700;margin:0;line-height:1.45}
.news-title a{transition:color .2s}
.news-title a:hover{color:var(--acc)}
.news-desc{font-size:14px;color:var(--muted);margin:0;line-height:1.62;flex:1}
.news-more{font-size:13.5px;font-weight:700;color:#7DE9FA;transition:color .2s}
.news-more:hover{color:var(--volt)}
.empty-note{
  margin-top:30px;padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--muted);font-size:14.5px;background:rgba(12,26,43,.5);
}

/* ===== Trust ===== */
.trust-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:34px}
.trust-item{border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;background:rgba(12,26,43,.7);transition:.25s}
.trust-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.trust-item i{font-size:20px;color:var(--gold)}
.trust-item h3{font-size:15.5px;margin:13px 0 6px;font-weight:700}
.trust-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.62}

/* ===== Quick answers ===== */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 34px;margin-top:34px}
.quick-item{border-left:3px solid var(--line-strong);padding:4px 0 4px 18px}
.quick-item h3{font-size:16px;margin:0 0 7px;font-weight:700}
.quick-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.68}

/* ===== FAQ ===== */
.faq-wrap{margin-top:32px;display:grid;gap:12px;max-width:940px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,26,43,.66);overflow:hidden;transition:.25s}
.faq-item[open]{border-color:var(--line-strong);background:rgba(16,35,56,.7)}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--acc);font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.72}

/* ===== CTA form ===== */
.cta-panel{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(16,35,56,.95),rgba(6,15,26,.9));
  padding:clamp(26px,4vw,48px);display:grid;grid-template-columns:1fr 1fr;gap:44px;
  align-items:center;box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);margin:0;font-weight:800;line-height:1.25;letter-spacing:-.4px}
.cta-panel .lead{margin-top:14px}
.cta-form{display:grid;gap:14px}
.field{display:grid;gap:8px}
.field label{font-size:13px;font-weight:600;color:#AFE6F5}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:rgba(5,11,22,.85);color:var(--txt);font-size:14.5px;transition:.2s;
}
.field input::placeholder{color:#6B7F97}
.field input:focus,.field select:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.form-note{font-size:12.5px;color:var(--muted);margin:0;line-height:1.6}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;
  padding:11px 16px 11px 11px;border-radius:999px;min-height:52px;cursor:pointer;
  background:rgba(7,7,13,.85);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(135deg,var(--acc),var(--volt));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.42);opacity:.82;transition:.25s;
}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 32px rgba(34,211,238,.62)}
.fab:active{transform:scale(.95)}
.fab-icon{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:0 0 34px;
  background:linear-gradient(135deg,rgba(34,211,238,.26),rgba(163,230,53,.22));color:#CDF8FF;font-size:15px;
}
.fab-text{font-size:13px;font-weight:700;color:#E7F7FF;letter-spacing:.02em;white-space:nowrap}
.fab-dot{
  position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;background:var(--warn);
  box-shadow:0 0 0 3px rgba(244,63,94,.28);animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ===== Footer ===== */
.site-footer{
  position:relative;z-index:2;margin-top:0;padding:66px 0 28px;
  background:linear-gradient(180deg,rgba(8,19,31,.92),rgba(4,9,18,.98));
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin:16px 0 0;max-width:380px}
.foot-grid h4{
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#9FB6CF;
  margin:0 0 15px;font-weight:700;
}
.foot-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-links a{color:#C6D6E8;font-size:14.5px;transition:color .2s}
.foot-links a:hover{color:var(--acc)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badge{
  font-size:11.5px;font-weight:700;padding:5px 10px;border-radius:8px;
  border:1px solid var(--line);background:rgba(12,26,43,.8);color:#AFE6F5;
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin-top:18px;
  border-radius:10px;border:1px solid rgba(244,63,94,.5);color:#FF9BB0;font-weight:800;font-size:13px;
}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:44px;padding-top:20px;
  font-size:13px;color:#7F93AC;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-desktop{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .header-actions{margin-left:0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .milestone-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .header-inner{gap:12px}
  .brand-text{max-width:170px;font-size:14px}
  .plan-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .page-hero{padding:118px 0 56px}
  .section-head h2{max-width:100%}
}
@media (max-width:520px){
  body .container{padding:0 16px}
  .brand-text{font-size:12.5px;max-width:132px}
  .brand-text small{font-size:10px}
  .btn-ghost{padding:8px 12px;font-size:12.5px}
  .btn-solid{padding:8px 13px;font-size:12.5px}
  .nav-toggle{width:38px;height:38px}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-grid,.news-grid,.trust-row,.quick-grid,.plan-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .fab{bottom:84px;left:12px;padding:10px 14px 10px 10px}
  .fab-text{display:none}
}