/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1c3d;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(148,163,184,.16);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,6,23,.65);
  --glow:0 0 26px rgba(56,189,248,.35);
  --glow-strong:0 0 40px rgba(37,99,235,.55);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(37,99,235,.22), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,#030712 0%,#050b1c 42%,#030712 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,h5,h6{margin:0 0 .6rem;line-height:1.28;font-weight:700;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1rem;letter-spacing:-.02em;
  color:var(--text);white-space:nowrap;
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);
  font-size:.82rem;font-weight:800;color:#02101f;
}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:999px;
  font-size:.88rem;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.is-active{color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn{padding:9px 16px;font-size:.86rem;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#03101f;
  box-shadow:0 10px 30px rgba(37,99,235,.45),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{
  color:#03101f;transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(37,99,235,.6),0 0 34px rgba(56,189,248,.55);
}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  background:var(--glass);color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{background:var(--glass-2);color:var(--text);border-color:rgba(56,189,248,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-wide{width:100%;}

/* ============ TAGS / BADGES ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(56,189,248,.12);color:var(--cyan);
  border:1px solid rgba(56,189,248,.3);
}
.tag-warm{background:rgba(37,99,235,.16);color:var(--holo);border-color:rgba(96,165,250,.32);}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted);font-weight:500;
}
.badge-live i{font-size:.5rem;color:#22C55E;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.78);}}

/* ============ SECTION BASE ============ */
.section{padding:74px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(1.45rem,3vw,2.05rem);margin-bottom:.7rem;}
.sec-head p{color:var(--muted);font-size:.98rem;margin:0;}
.eyebrow{
  display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}

/* ============ GLASS CARD ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-hover{transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;}
.glass-hover:hover{
  transform:translateY(-5px);
  border-color:rgba(56,189,248,.42);
  box-shadow:0 22px 50px rgba(2,6,23,.6),0 0 26px rgba(56,189,248,.18);
  background:var(--glass-2);
}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:132px 0 66px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/35ffee354e4c4bf1.jpg');
  background-size:cover;background-position:center;
  opacity:.24;
  filter:saturate(1.1);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.72),rgba(3,7,18,.94) 68%,var(--bg-0));
}
.hero .wrap{position:relative;z-index:2;}
.hero-head{max-width:900px;margin-bottom:40px;}
.hero h1{
  font-size:clamp(1.72rem,4.1vw,2.95rem);
  font-weight:800;letter-spacing:-.025em;margin:18px 0 16px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:1.03rem;color:#CBD5E1;max-width:760px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-note{display:flex;flex-wrap:wrap;gap:18px;font-size:.83rem;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--cyan);}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-panel{padding:26px;border-radius:var(--radius-lg);position:relative;overflow:hidden;}
.compare-panel h3{font-size:1.06rem;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.compare-before{background:rgba(220,38,38,.06);border:1px solid rgba(248,113,113,.26);}
.compare-after{background:rgba(37,99,235,.1);border:1px solid rgba(56,189,248,.4);box-shadow:0 0 34px rgba(37,99,235,.2) inset;}
.compare-panel h3 i{font-size:1rem;}
.compare-before h3 i{color:#F87171;}
.compare-after h3 i{color:var(--cyan);}
.compare-panel ul li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:.9rem;color:#CBD5E1;border-bottom:1px dashed rgba(148,163,184,.14);
}
.compare-panel ul li:last-child{border-bottom:0;}
.compare-panel ul li i{margin-top:4px;font-size:.8rem;flex:0 0 auto;}
.compare-before ul li i{color:#F87171;}
.compare-after ul li i{color:#22C55E;}
.compare-ribbon{
  position:absolute;top:14px;right:14px;
  font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03101f;
}

/* ============ METRICS ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;
}
.metric{
  background:rgba(8,18,41,.7);padding:26px 22px;
  transition:background .25s ease;
}
.metric:hover{background:rgba(12,28,61,.9);}
.metric strong{
  display:block;font-size:1.62rem;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#F8FAFC,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;font-size:.82rem;color:var(--muted);margin-top:6px;}

/* ============ FEATURE GRID ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.feature-card{padding:26px 22px;border-radius:var(--radius);}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.2));
  border:1px solid rgba(56,189,248,.28);color:var(--cyan);
  font-size:1.05rem;margin-bottom:16px;
}
.feature-card h3{font-size:1rem;margin-bottom:8px;}
.feature-card p{font-size:.87rem;color:var(--muted);margin:0;}

/* ============ LINK LIST / H3 BLOCKS ============ */
.link-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.link-block{padding:26px 24px;border-radius:var(--radius);border-left:3px solid var(--blue);}
.link-block h3{font-size:.99rem;line-height:1.45;margin-bottom:10px;}
.link-block p{font-size:.87rem;color:var(--muted);margin:0 0 14px;}
.link-meta{display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--holo);}
.link-meta i{font-size:.72rem;}

/* ============ CATEGORY MATRIX ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{
  position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(56,189,248,.5);box-shadow:0 24px 54px rgba(2,6,23,.7),0 0 30px rgba(56,189,248,.2);}
.cat-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.06);}
.cat-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.1),rgba(3,7,18,.9));
}
.cat-body{padding:22px 22px 26px;}
.cat-body h3{font-size:1.06rem;margin-bottom:8px;}
.cat-body p{font-size:.87rem;color:var(--muted);margin:0 0 14px;}
.cat-more{font-size:.83rem;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}
.cat-more i{transition:transform .25s ease;}
.cat-card:hover .cat-more i{transform:translateX(4px);}

/* ============ COMPARE TABLE ============ */
.compare-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(8,18,41,.6);}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;font-size:.89rem;border-bottom:1px solid var(--line);}
.compare-table th{background:rgba(12,28,61,.85);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;}
.compare-table tr:last-child td{border-bottom:0;}
.compare-table td:first-child{color:#CBD5E1;font-weight:500;}
.compare-table td.good{color:#4ADE80;font-weight:600;}
.compare-table td.bad{color:#F87171;font-weight:600;}

/* ============ SCENARIO MATRIX ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.scene{padding:22px 20px;border-radius:var(--radius);}
.scene h3{font-size:.95rem;margin-bottom:6px;display:flex;align-items:center;gap:9px;}
.scene h3 i{color:var(--holo);font-size:.9rem;}
.scene p{font-size:.84rem;color:var(--muted);margin:0;}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step{padding:26px 24px;border-radius:var(--radius);position:relative;}
.step-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  font-weight:800;font-size:.94rem;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:var(--glow);margin-bottom:16px;
}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{font-size:.87rem;color:var(--muted);margin:0;}

/* ============ TIERS ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.tier{padding:28px 24px;border-radius:var(--radius-lg);display:flex;flex-direction:column;}
.tier.featured{border-color:rgba(56,189,248,.5);box-shadow:0 0 38px rgba(37,99,235,.28);position:relative;}
.tier.featured::before{
  content:"Được chọn nhiều nhất";position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 14px;border-radius:999px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03101f;
  white-space:nowrap;
}
.tier h3{font-size:1.08rem;margin-bottom:4px;}
.tier .tier-sub{font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.tier .tier-value{font-size:1.5rem;font-weight:800;color:var(--cyan);margin-bottom:18px;letter-spacing:-.02em;}
.tier ul{margin-bottom:24px;flex:1;}
.tier ul li{display:flex;gap:9px;font-size:.86rem;color:#CBD5E1;padding:7px 0;align-items:flex-start;}
.tier ul li i{color:var(--cyan);font-size:.78rem;margin-top:5px;}

/* ============ PAYMENT ============ */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.pay{padding:22px 18px;border-radius:var(--radius);text-align:left;}
.pay i{font-size:1.3rem;color:var(--cyan);margin-bottom:12px;display:block;}
.pay strong{display:block;font-size:.95rem;margin-bottom:5px;}
.pay span{font-size:.8rem;color:var(--muted);}

/* ============ REVIEWS ============ */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.review{padding:24px;border-radius:var(--radius);}
.review-stars{color:#FBBF24;font-size:.8rem;margin-bottom:12px;letter-spacing:2px;}
.review p{font-size:.9rem;color:#CBD5E1;margin-bottom:16px;}
.review-author{display:flex;align-items:center;gap:12px;}
.review-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:.82rem;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
}
.review-author strong{display:block;font-size:.86rem;}
.review-author span{font-size:.76rem;color:var(--muted);}

/* ============ SECURITY ============ */
.secure-band{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;}
.secure-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;}
.secure-item{display:flex;gap:12px;align-items:flex-start;}
.secure-item i{color:var(--cyan);font-size:1rem;margin-top:4px;}
.secure-item strong{display:block;font-size:.9rem;margin-bottom:3px;}
.secure-item span{font-size:.82rem;color:var(--muted);}
.secure-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);}
.secure-visual img{width:100%;height:100%;object-fit:cover;}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15));}
.tl-item{position:relative;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item strong{display:block;font-size:.93rem;margin-bottom:4px;}
.tl-item span{font-size:.78rem;color:var(--holo);display:block;margin-bottom:5px;letter-spacing:.05em;}
.tl-item p{font-size:.85rem;color:var(--muted);margin:0;}

/* ============ POSTS ============ */
.post-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start;}
.post-list{display:grid;gap:14px;}
.post-item{
  display:block;padding:20px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--glass);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.post-item:hover{transform:translateX(5px);border-color:rgba(56,189,248,.45);background:var(--glass-2);}
.post-tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px;}
.post-item h4{font-size:.98rem;line-height:1.45;margin-bottom:7px;}
.post-item p{font-size:.84rem;color:var(--muted);margin:0 0 10px;}
.post-item time{font-size:.76rem;color:var(--holo);}
.side-card{padding:22px;border-radius:var(--radius);}
.side-card h3{font-size:.98rem;margin-bottom:14px;}
.side-card ul li{border-bottom:1px dashed rgba(148,163,184,.15);}
.side-card ul li:last-child{border-bottom:0;}
.side-card ul li a{display:block;padding:11px 0;font-size:.86rem;color:#CBD5E1;}
.side-card ul li a:hover{color:var(--cyan);}
.empty-note{padding:26px;border-radius:var(--radius);border:1px dashed var(--line);color:var(--muted);font-size:.88rem;text-align:center;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:.95rem;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;color:var(--cyan);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{color:var(--cyan);}
.faq-item .faq-body{padding:0 22px 20px;font-size:.88rem;color:var(--muted);line-height:1.7;}

/* ============ FORM / CTA ============ */
.cta-panel{
  border-radius:var(--radius-lg);padding:44px;
  background:linear-gradient(135deg,rgba(37,99,235,.18),rgba(56,189,248,.07));
  border:1px solid rgba(56,189,248,.3);
  box-shadow:0 0 50px rgba(37,99,235,.22);
  display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.35rem,2.6vw,1.85rem);margin-bottom:14px;}
.cta-panel p{color:#CBD5E1;font-size:.93rem;margin-bottom:20px;}
.cta-points li{display:flex;gap:10px;font-size:.86rem;color:#CBD5E1;padding:6px 0;}
.cta-points i{color:var(--cyan);margin-top:4px;font-size:.8rem;}
.reg-form{display:grid;gap:13px;}
.field label{display:block;font-size:.78rem;color:var(--muted);margin-bottom:6px;font-weight:500;}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(3,7,18,.65);border:1px solid var(--line);color:var(--text);
  font-size:.9rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#64748B;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:.79rem;color:var(--muted);margin:0;min-height:18px;}
.form-note.ok{color:#4ADE80;}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.98));
  border-top:1px solid var(--line);
  padding:60px 0 28px;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;margin-bottom:14px;}
.footer-col h4{font-size:.8rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;}
.footer-col ul li a{display:block;padding:6px 0;font-size:.86rem;color:#CBD5E1;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-about p{font-size:.86rem;color:var(--muted);max-width:340px;}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center;
  font-size:.79rem;color:var(--muted);
}
.footer-bottom .age{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;
  border:1px solid rgba(248,113,113,.5);color:#F87171;font-size:.68rem;font-weight:800;
}
.license-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.license-row span{
  font-size:.72rem;padding:5px 11px;border-radius:8px;
  border:1px solid var(--line);background:var(--glass);color:var(--muted);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 18px;border-radius:999px;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--text);font-size:.82rem;font-weight:600;
  box-shadow:0 0 24px rgba(56,189,248,.4);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  min-height:52px;
}
.fab::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.fab i{color:var(--cyan);font-size:1rem;transition:transform .45s ease;}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 38px rgba(56,189,248,.7);color:var(--text);}
.fab:hover i{transform:rotate(360deg);}
.fab:active{transform:scale(.95);}
.fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 8px rgba(244,63,94,.9);
  animation:pulse 1.4s infinite;
}

/* ============ BOTTOM CTA BAR ============ */
.bottom-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:75;
  background:rgba(3,7,18,.9);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid rgba(56,189,248,.28);
  box-shadow:0 -10px 40px rgba(2,6,23,.7);
  padding:11px 0;
}
.bottom-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.bc-text strong{display:block;font-size:.9rem;}
.bc-text span{font-size:.78rem;color:var(--muted);}
.bc-actions{display:flex;gap:10px;flex:0 0 auto;}
.bc-actions .btn{padding:11px 20px;font-size:.85rem;}

body{padding-bottom:82px;}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .link-blocks{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .secure-band{grid-template-columns:1fr;gap:26px;}
  .post-layout{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:34px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:112px 0 48px;}
  .nav-links{display:none;}
  .nav-inner{min-height:62px;}
  .compare{grid-template-columns:1fr;}
  .steps,.tier-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .feature-grid,.scene-grid,.cat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .bottom-cta-inner{flex-direction:column;align-items:stretch;gap:10px;}
  .bc-text{text-align:center;}
  .bc-actions{justify-content:center;}
  .bc-actions .btn{flex:1;}
  body{padding-bottom:132px;}
  .fab{bottom:150px;left:12px;padding:12px 15px;}
  .fab .fab-text{display:none;}
  .compare-table th,.compare-table td{padding:13px 14px;font-size:.83rem;}
  .cta-panel{padding:26px 20px;}
}
@media (max-width:520px){
  .wrap{padding:0 15px;}
  .hero h1{font-size:1.6rem;}
  .metrics{grid-template-columns:1fr;}
  .nav-actions .btn{padding:8px 13px;font-size:.8rem;}
  .brand-text{font-size:.9rem;}
  .secure-list{grid-template-columns:1fr;}
  .pay-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1c3d;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(148,163,184,.16);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#F87171;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,6,23,.65);
  --glow:0 0 26px rgba(56,189,248,.35);
  --glow-strong:0 0 40px rgba(37,99,235,.55);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(37,99,235,.22), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,#030712 0%,#050b1c 42%,#030712 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;width:100%;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1rem;letter-spacing:-.02em;
  color:var(--text);white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);
  font-size:.82rem;font-weight:800;color:#02101f;
}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:999px;
  font-size:.88rem;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.is-active{color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn{padding:9px 16px;font-size:.86rem;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#03101f;
  box-shadow:0 10px 30px rgba(37,99,235,.45),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{
  color:#03101f;transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(37,99,235,.6),0 0 34px rgba(56,189,248,.55);
}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  background:var(--glass);color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{background:var(--glass-2);color:var(--text);border-color:rgba(56,189,248,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-wide{width:100%;}
.btn:focus-visible,.nav-links a:focus-visible,.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ============ TAGS / BADGES ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(56,189,248,.12);color:var(--cyan);
  border:1px solid rgba(56,189,248,.3);
}
.tag-warm{background:rgba(37,99,235,.16);color:var(--holo);border-color:rgba(96,165,250,.32);}
.tag-ok{background:rgba(34,197,94,.12);color:#4ADE80;border-color:rgba(34,197,94,.32);}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted);font-weight:500;
}
.badge-live i{font-size:.5rem;color:var(--ok);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ============ SECTION BASE ============ */
.section{padding:74px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{
  font-size:clamp(1.38rem,2.7vw,2rem);font-weight:800;
  letter-spacing:-.02em;margin-bottom:12px;line-height:1.3;
}
.section-head p{color:var(--muted);font-size:.97rem;}
.section-head.center{max-width:820px;margin-left:auto;margin-right:auto;text-align:center;}

/* ============ GLASS CARD ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:24px 22px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease,background .25s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(56,189,248,.42);
  box-shadow:var(--glow);
  background:var(--glass-2);
}
.ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border:1px solid rgba(56,189,248,.26);
  color:var(--cyan);font-size:1.02rem;margin-bottom:16px;
}
.glass-card h3{font-size:1.03rem;font-weight:700;margin-bottom:9px;letter-spacing:-.01em;}
.glass-card p{font-size:.9rem;color:var(--muted);line-height:1.68;}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;font-size:.74rem;color:var(--muted);}
.card-meta span{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);}

/* ============ GRIDS ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

/* ============ HERO ============ */
.hero{position:relative;padding:132px 0 66px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/f3add3d045b358bd.jpg');
  background-size:cover;background-position:center;
  opacity:.24;filter:saturate(1.1);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.74),rgba(3,7,18,.94) 68%,var(--bg-0));
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.32fr .92fr;gap:38px;align-items:start;}
.hero h1{
  font-size:clamp(1.72rem,4vw,2.9rem);
  font-weight:800;letter-spacing:-.025em;line-height:1.22;margin:18px 0 16px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.02rem;color:#CBD5E1;max-width:720px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-note{display:flex;flex-wrap:wrap;gap:18px;font-size:.83rem;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--cyan);}
.hero-panel{padding:22px 20px;border-radius:var(--radius-lg);}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.panel-head strong{font-size:.94rem;}
.link-rows{margin-top:6px;}
.link-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.18);
}
.link-row:last-child{border-bottom:0;}
.link-row .name{font-size:.88rem;font-weight:600;}
.link-row .name small{display:block;font-size:.72rem;font-weight:400;color:var(--muted);margin-top:2px;}
.link-row .state{font-size:.74rem;font-weight:600;color:#4ADE80;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-row .state i{font-size:.45rem;}
.link-row .state.checking{color:var(--warn);}
.panel-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:.76rem;color:var(--muted);display:flex;align-items:center;gap:8px;}

/* ============ METRICS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(3,7,18,.55));
  border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.metric:hover{border-color:rgba(56,189,248,.4);transform:translateY(-3px);}
.metric strong{
  display:block;font-size:1.85rem;font-weight:800;line-height:1.15;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;font-size:.84rem;color:var(--muted);margin-top:6px;}

/* ============ SPLIT MEDIA ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.55));
}
.split-body h2{font-size:clamp(1.32rem,2.6vw,1.95rem);font-weight:800;letter-spacing:-.02em;margin-bottom:14px;line-height:1.3;}
.split-body p{color:var(--muted);font-size:.95rem;margin-bottom:14px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:.91rem;color:#CBD5E1;margin-bottom:11px;}
.check-list i{color:var(--cyan);margin-top:4px;font-size:.85rem;}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{padding:24px 20px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);position:relative;}
.step-num{
  font-size:.74rem;font-weight:800;letter-spacing:.14em;color:var(--cyan);
  display:block;margin-bottom:14px;text-transform:uppercase;
}
.step h3{font-size:.98rem;font-weight:700;margin-bottom:8px;}
.step p{font-size:.87rem;color:var(--muted);}
.step::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);border-radius:2px;
}

/* ============ TIMELINE ============ */
.timeline{border-left:1px solid var(--line);padding-left:24px;margin-top:8px;}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(56,189,248,.16);
}
.tl-item time{font-size:.74rem;font-weight:700;letter-spacing:.08em;color:var(--cyan);text-transform:uppercase;}
.tl-item h3{font-size:.98rem;font-weight:700;margin:7px 0 6px;}
.tl-item p{font-size:.88rem;color:var(--muted);}

/* ============ COMPARE TABLE ============ */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;background:rgba(3,7,18,.42);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:.89rem;border-bottom:1px solid var(--line);}
table.compare thead th{
  background:rgba(37,99,235,.16);font-size:.76rem;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:#CBD5E1;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:rgba(56,189,248,.06);}
table.compare td.good{color:#4ADE80;font-weight:600;}
table.compare td.bad{color:var(--danger);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--glass);overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(56,189,248,.42);background:var(--glass-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:.95rem;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.72rem;color:var(--cyan);flex:0 0 auto;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-body{padding:0 20px 20px;font-size:.9rem;color:var(--muted);line-height:1.72;}

/* ============ CHANNEL CARDS ============ */
.channel-card{display:flex;flex-direction:column;height:100%;}
.channel-card .ico{margin-bottom:14px;}
.channel-card h3{margin-bottom:8px;}
.channel-card p{flex:1 1 auto;}
.channel-card .go{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:.85rem;font-weight:600;color:var(--cyan);
}
.channel-card .go i{font-size:.72rem;transition:transform .22s ease;}
.channel-card:hover .go i{transform:translateX(4px);}
.channel-card.is-current{border-color:rgba(56,189,248,.5);box-shadow:var(--glow);}

/* ============ FORM ============ */
.form-shell{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;
  padding:34px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(37,99,235,.18),rgba(3,7,18,.62));
  border:1px solid rgba(56,189,248,.22);
}
.form-shell h2{font-size:clamp(1.3rem,2.5vw,1.85rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px;line-height:1.3;}
.form-shell > div > p{color:var(--muted);font-size:.93rem;margin-bottom:18px;}
.form-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.form-note span{font-size:.74rem;color:var(--muted);padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-grid .full{grid-column:1 / -1;}
.field label{display:block;font-size:.78rem;font-weight:600;color:#CBD5E1;margin-bottom:7px;letter-spacing:.02em;}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.62);border:1px solid var(--line);color:var(--text);
  font-size:.9rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#64748B;}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.form-hint{font-size:.76rem;color:var(--muted);margin-top:12px;line-height:1.6;}

/* ============ CTA STRIP ============ */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:28px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(56,189,248,.14));
  border:1px solid rgba(56,189,248,.3);
}
.cta-strip h3{font-size:1.15rem;font-weight:800;margin-bottom:6px;}
.cta-strip p{font-size:.89rem;color:#CBD5E1;}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--text);font-size:.84rem;font-weight:600;
  box-shadow:0 0 20px rgba(56,189,248,.4);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
}
.fab i{color:var(--cyan);font-size:1rem;}
.fab:hover{opacity:1;transform:translateY(-2px) scale(1.03);color:var(--text);box-shadow:0 0 30px rgba(56,189,248,.6);}
.fab:active{transform:translateY(1px) scale(.97);}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:pulse 1.5s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:0;padding:58px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.5),#02050f);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:14px;}
.footer-about p{color:var(--muted);font-size:.88rem;line-height:1.72;max-width:430px;}
.license-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.license-row span{font-size:.7rem;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--glass);}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.09em;color:var(--text);margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:.86rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  font-size:.78rem;color:var(--muted);
}
.age{border:1px solid rgba(248,113,113,.5);color:#FCA5A5;border-radius:6px;padding:2px 8px;font-weight:700;}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1024px){
  .grid-4,.metric-grid,.steps{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero{padding-top:120px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .form-shell{grid-template-columns:1fr;padding:28px 24px;}
}
@media screen and (max-width:900px){
  .nav-inner{flex-wrap:wrap;row-gap:8px;padding:10px 0;min-height:0;}
  .nav-links{order:3;width:100%;justify-content:flex-start;}
  .nav-actions{margin-left:auto;}
  .section{padding:60px 0;}
}
@media screen and (max-width:768px){
  .grid-2{grid-template-columns:1fr;}
  .grid-3,.grid-4,.metric-grid,.steps{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .hero-note{gap:12px;}
  .cta-strip{padding:24px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
}
@media screen and (max-width:520px){
  body{font-size:15px;}
  .wrap{padding:0 15px;}
  .brand-text small{display:none;}
  .nav-actions .btn{padding:8px 12px;font-size:.78rem;}
  .hero{padding-top:118px;padding-bottom:48px;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .glass-card{padding:20px 17px;}
  .fab{left:12px;bottom:88px;padding:11px 15px;font-size:.78rem;}
  .link-row{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1c3d;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(148,163,184,.16);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,6,23,.65);
  --glow:0 0 26px rgba(56,189,248,.35);
  --glow-strong:0 0 40px rgba(37,99,235,.55);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(37,99,235,.22), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,#030712 0%,#050b1c 42%,#030712 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.015em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1rem;letter-spacing:-.02em;
  color:var(--text);white-space:nowrap;
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);
  font-size:.82rem;font-weight:800;color:#02101f;
}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:999px;
  font-size:.88rem;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.is-active{color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn{padding:9px 16px;font-size:.86rem;}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#03101f;
  box-shadow:0 10px 30px rgba(37,99,235,.45),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{
  color:#03101f;transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(37,99,235,.6),0 0 34px rgba(56,189,248,.55);
}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:var(--glass);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--glass-2);color:var(--text);border-color:rgba(56,189,248,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-wide{width:100%;}
/* ============ TAGS / BADGES ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(56,189,248,.12);color:var(--cyan);
  border:1px solid rgba(56,189,248,.3);
}
.tag-warm{background:rgba(37,99,235,.16);color:var(--holo);border-color:rgba(96,165,250,.32);}
.badge-live{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted);font-weight:500;}
.badge-live i{font-size:.5rem;color:#22C55E;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ============ SECTION BASE ============ */
.section{padding:74px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.35rem,2.6vw,2rem);font-weight:800;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:.97rem;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
/* ============ GLASS ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
/* ============ DOC HERO ============ */
.doc-hero{
  position:relative;
  padding:140px 0 58px;
  text-align:center;
  overflow:hidden;
  scroll-margin-top:120px;
}
.doc-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/f3add3d045b358bd.jpg');
  background-size:cover;background-position:center;
  opacity:.22;
}
.doc-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.76),rgba(3,7,18,.94) 70%,var(--bg-0));
}
.doc-hero .wrap{position:relative;z-index:2;}
.doc-hero h1{
  font-size:clamp(1.6rem,3.7vw,2.65rem);
  font-weight:800;letter-spacing:-.028em;
  margin:20px auto 16px;max-width:920px;
}
.doc-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.doc-hero-sub{
  max-width:760px;margin:0 auto;
  color:#CBD5E1;font-size:1rem;line-height:1.7;
}
.doc-search{
  max-width:640px;margin:28px auto 0;
  display:flex;align-items:center;gap:10px;
  padding:8px 8px 8px 20px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 16px 40px rgba(2,6,23,.5);
}
.doc-search i{color:var(--cyan);font-size:.95rem;}
.doc-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  font-size:.94rem;color:var(--text);padding:10px 0;
}
.doc-search input::placeholder{color:var(--muted);}
.doc-search .btn{padding:11px 22px;font-size:.88rem;}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;
  font-size:.82rem;color:#CBD5E1;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:color .22s ease,border-color .22s ease,background .22s ease,transform .22s ease;
}
.chip i{font-size:.72rem;color:var(--cyan);}
.chip:hover{color:var(--cyan);border-color:rgba(56,189,248,.5);background:rgba(56,189,248,.1);transform:translateY(-2px);}
/* ============ CRUMB ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:.82rem;color:var(--muted);
  padding:26px 0 0;
}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:.6rem;opacity:.6;}
/* ============ ARTICLE ============ */
.article-section{padding:34px 0 70px;scroll-margin-top:110px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-bottom:22px;margin-bottom:26px;
  border-bottom:1px solid var(--line);
  font-size:.82rem;color:var(--muted);
}
.article-body{font-size:1.02rem;line-height:1.75;color:#E2E8F0;max-width:900px;}
.article-body h2{font-size:1.45rem;font-weight:700;margin:38px 0 14px;color:var(--text);}
.article-body h3{font-size:1.15rem;font-weight:700;margin:28px 0 12px;color:var(--text);}
.article-body h4{font-size:1rem;font-weight:700;margin:22px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin-bottom:9px;}
.article-body img{border-radius:var(--radius);margin:22px 0;width:100%;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#CBD5E1;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(56,189,248,.08);font-weight:600;color:var(--text);}
.empty-note{
  padding:26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  color:var(--muted);margin-bottom:20px;
}
/* ============ PULL QUOTE ============ */
.quote-band{padding:44px 0;}
.pull-quote{
  max-width:900px;margin:0 auto;padding:30px 34px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(56,189,248,.06));
  border:1px solid rgba(56,189,248,.28);
  font-size:1.08rem;line-height:1.7;color:#E2E8F0;
  text-align:left;
}
.pull-quote cite{
  display:block;margin-top:14px;font-style:normal;
  font-size:.82rem;color:var(--cyan);letter-spacing:.04em;
}
/* ============ METRICS ============ */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric-card{
  padding:26px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45);box-shadow:var(--glow);}
.metric-icon{font-size:1.05rem;color:var(--cyan);margin-bottom:14px;}
.metric-value{
  font-size:1.85rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{font-size:.85rem;color:var(--muted);margin-top:8px;}
/* ============ MATRIX ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.matrix-card{
  display:flex;flex-direction:column;gap:12px;
  padding:28px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.matrix-card:hover{
  transform:translateY(-5px);
  border-color:rgba(56,189,248,.5);
  box-shadow:var(--glow);
  background:var(--glass-2);
}
.matrix-card h3{font-size:1.08rem;font-weight:700;}
.matrix-card p{font-size:.9rem;color:var(--muted);line-height:1.65;}
.matrix-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:600;color:var(--cyan);margin-top:auto;
}
.matrix-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(56,189,248,.14));
  border:1px solid rgba(56,189,248,.28);color:var(--cyan);font-size:1rem;
}
/* ============ COMPARE ============ */
.compare-table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  font-size:.92rem;
}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);}
.compare-table thead th{
  background:rgba(56,189,248,.09);
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);font-weight:700;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover{background:rgba(255,255,255,.03);}
.compare-table td:first-child{color:var(--muted);width:34%;}
.ok{color:#22C55E;font-weight:600;}
.no{color:#F87171;font-weight:600;}
/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:28px;max-width:820px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.1));
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-28px;top:6px;
  width:12px;height:12px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.85);
}
.timeline-item h3{font-size:1rem;font-weight:700;margin-bottom:8px;}
.timeline-item p{font-size:.9rem;color:var(--muted);line-height:1.68;}
.timeline-step{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);display:block;margin-bottom:6px;}
/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45);box-shadow:var(--glow);color:inherit;}
.news-thumb{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);color:var(--cyan);
}
.news-card h3{font-size:.98rem;font-weight:700;line-height:1.45;}
.news-card p{font-size:.86rem;color:var(--muted);line-height:1.6;}
.news-date{font-size:.75rem;color:var(--holo);margin-top:auto;}
/* ============ TRUST ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.trust-item{
  padding:24px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  text-align:left;
}
.trust-item i{font-size:1.15rem;color:var(--cyan);margin-bottom:12px;display:block;}
.trust-item h3{font-size:.95rem;font-weight:700;margin-bottom:8px;}
.trust-item p{font-size:.85rem;color:var(--muted);line-height:1.62;}
/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--glass);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(56,189,248,.42);background:var(--glass-2);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;cursor:pointer;font-weight:600;font-size:.96rem;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.7rem;color:var(--cyan);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-answer{padding:0 20px 18px;font-size:.92rem;color:var(--muted);line-height:1.7;}
/* ============ CTA ============ */
.cta-band{
  position:relative;padding:60px 0;overflow:hidden;
}
.cta-band-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/1296df27e1e5bd53.jpg');
  background-size:cover;background-position:center;opacity:.2;
}
.cta-band-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.85),rgba(3,7,18,.96));}
.cta-band .wrap{position:relative;z-index:2;}
.cta-panel{
  max-width:860px;margin:0 auto;padding:38px 34px;
  border-radius:var(--radius-lg);text-align:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(56,189,248,.28);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:800;margin-bottom:12px;}
.cta-panel p{color:#CBD5E1;font-size:.95rem;max-width:620px;margin:0 auto 24px;}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:620px;margin:0 auto;}
.cta-form input,.cta-form select{
  width:100%;padding:13px 18px;border-radius:999px;
  background:rgba(3,7,18,.6);border:1px solid var(--line);
  color:var(--text);font-size:.9rem;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus,.cta-form select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.cta-form select option{background:#081229;color:var(--text);}
.cta-form .btn{grid-column:1 / -1;}
.cta-note{font-size:.78rem;color:var(--muted);margin-top:16px;}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(#07070D,#07070D) padding-box,linear-gradient(135deg,#38BDF8,#2563EB) border-box;
  border:2px solid transparent;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.82;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  animation:fabFloat 3.6s ease-in-out infinite;
}
.fab i{font-size:1.25rem;color:var(--cyan);transition:transform .45s ease;}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.75);}
.fab:hover i{transform:rotate(360deg);}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 9px rgba(239,68,68,.95);
  animation:pulse 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.9),#020617);
  border-top:1px solid var(--line);
  padding:58px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:.98rem;}
.footer-about p{color:var(--muted);font-size:.89rem;line-height:1.72;margin:16px 0;}
.license-row{display:flex;flex-wrap:wrap;gap:8px;}
.license-row span{
  font-size:.7rem;padding:5px 11px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
}
.footer-col h4{font-size:.88rem;font-weight:700;margin-bottom:15px;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.87rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  font-size:.8rem;color:var(--muted);
}
.age{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(56,189,248,.5);color:var(--cyan);font-size:.72rem;font-weight:700;
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav-inner{flex-wrap:wrap;min-height:auto;padding:10px 0;row-gap:8px;}
  .brand{order:1;}
  .nav-actions{order:2;margin-left:auto;}
  .nav-links{order:3;flex-basis:100%;width:100%;justify-content:flex-start;padding-bottom:2px;}
  .doc-hero{padding-top:168px;}
  .section{padding:58px 0;}
  .cta-form{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .doc-hero{padding-top:160px;}
  .doc-search{padding:6px 6px 6px 16px;}
  .doc-search .btn{padding:10px 16px;font-size:.82rem;}
  .pull-quote{padding:24px 22px;font-size:1rem;}
  .compare-table th,.compare-table td{padding:12px 12px;font-size:.85rem;}
  .compare-table td:first-child{width:40%;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:.7rem;}
  .brand-text{font-size:.78rem;}
  .brand-text small{display:none;}
  .nav-links a{padding:7px 10px;font-size:.76rem;}
  .nav-actions .btn{padding:8px 12px;font-size:.76rem;}
  .doc-hero{padding-top:148px;padding-bottom:44px;}
  .doc-search{flex-wrap:wrap;border-radius:20px;padding:12px;}
  .doc-search input{width:100%;flex:1 0 100%;padding:6px 4px;}
  .doc-search .btn{width:100%;}
  .chips{gap:8px;}
  .chip{font-size:.76rem;padding:7px 13px;}
  .metrics-grid,.matrix-grid,.news-grid,.trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px 20px;}
  .fab{left:12px;bottom:88px;width:52px;height:52px;}
  .metric-value{font-size:1.6rem;}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1c3d;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(148,163,184,.16);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,6,23,.65);
  --glow:0 0 26px rgba(56,189,248,.35);
  --glow-strong:0 0 40px rgba(37,99,235,.55);
  --wrap:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(37,99,235,.22), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,#030712 0%,#050b1c 42%,#030712 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:800;letter-spacing:-.02em;color:var(--text);}
p{margin:0 0 1em;color:#CBD5E1;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 30px;}
.grid-wrap{padding-left:45px;padding-right:45px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;letter-spacing:-.02em;color:var(--text);white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:.82rem;font-weight:800;color:#02101f;
}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;margin:0;}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.is-active{color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn{padding:9px 16px;font-size:.86rem;}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03101f;
  box-shadow:0 10px 30px rgba(37,99,235,.45),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 16px 40px rgba(37,99,235,.6),0 0 34px rgba(56,189,248,.55);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:var(--glass);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--glass-2);color:var(--text);border-color:rgba(56,189,248,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-wide{width:100%;}
.btn:focus-visible,.nav-links a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
/* ============ TAGS / BADGES ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(56,189,248,.12);color:var(--cyan);border:1px solid rgba(56,189,248,.3);
}
.tag-warm{background:rgba(37,99,235,.16);color:var(--holo);border-color:rgba(96,165,250,.32);}
.badge-live{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted);font-weight:500;}
.badge-live i{font-size:.5rem;color:#22C55E;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}
/* ============ SECTION ============ */
.section{padding:74px 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.eyebrow{display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:.98rem;margin:0;}
.lead{font-size:1rem;color:#CBD5E1;}
/* ============ GLASS ============ */
.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
/* ============ HERO ============ */
.hero{position:relative;padding:130px 0 62px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/f3add3d045b358bd.jpg');
  background-size:cover;background-position:center;opacity:.22;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.74),rgba(3,7,18,.94) 68%,var(--bg-0));
}
.hero .wrap{position:relative;z-index:2;}
.hero h1{font-size:clamp(1.7rem,4vw,2.85rem);font-weight:800;letter-spacing:-.025em;margin:18px 0 16px;}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.02rem;color:#CBD5E1;margin-bottom:24px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-note{display:flex;flex-wrap:wrap;gap:16px;font-size:.83rem;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--cyan);}
.hero-panel{padding:24px 22px;border-radius:var(--radius-lg);}
.hero-panel h3{font-size:1rem;margin-bottom:4px;}
.hero-panel .panel-sub{font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.rank-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:.88rem;
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list .rk{display:flex;align-items:center;gap:10px;color:#E2E8F0;}
.rank-list .rk b{
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:.72rem;background:rgba(56,189,248,.14);color:var(--cyan);
}
.rank-list .rv{color:var(--cyan);font-weight:700;white-space:nowrap;}
/* ============ METRICS ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{padding:24px 20px;border-radius:var(--radius);}
.metric .num{
  font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .lbl{font-size:.82rem;color:var(--muted);margin-top:6px;}
.metric .bar{height:4px;border-radius:99px;background:rgba(148,163,184,.16);margin-top:14px;overflow:hidden;}
.metric .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan));}
/* ============ CARD GRID ============ */
.card{padding:26px 22px;border-radius:var(--radius);height:100%;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45);box-shadow:0 18px 44px rgba(2,6,23,.6),0 0 24px rgba(56,189,248,.18);}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border:1px solid rgba(56,189,248,.3);color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.card h3{font-size:1.05rem;margin-bottom:8px;}
.card p{font-size:.9rem;color:var(--muted);margin:0;}
.card ul{margin-top:12px;}
.card ul li{font-size:.86rem;color:#CBD5E1;padding-left:16px;position:relative;margin-bottom:6px;}
.card ul li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:99px;background:var(--cyan);}
/* ============ STEPS ============ */
.steps{counter-reset:st;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.step{padding:24px 22px;border-radius:var(--radius);position:relative;padding-left:70px;}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  position:absolute;left:22px;top:24px;width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;font-size:.82rem;font-weight:800;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:var(--glow);
}
.step h3{font-size:1rem;margin-bottom:6px;}
.step p{font-size:.88rem;color:var(--muted);margin:0;}
/* ============ TABLE / COMPARE ============ */
.cmp{border-radius:var(--radius);overflow:hidden;}
.cmp table{width:100%;border-collapse:collapse;margin:0;background:transparent;}
.cmp th,.cmp td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line);}
.cmp th{background:rgba(37,99,235,.16);color:var(--text);font-weight:700;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;}
.cmp td{color:#CBD5E1;}
.cmp tr:last-child td{border-bottom:0;}
.cmp .yes{color:var(--cyan);font-weight:600;}
.cmp .no{color:var(--muted);}
/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.2));}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:99px;
  background:var(--bg-0);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item h3{font-size:.98rem;margin-bottom:6px;}
.tl-item p{font-size:.88rem;color:var(--muted);margin:0;}
.tl-item .tl-time{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);font-weight:700;display:block;margin-bottom:4px;}
/* ============ NEWS LIST ============ */
.news-grid{margin-bottom:0;}
.news-card{
  display:block;padding:18px;border-radius:var(--radius);height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45);box-shadow:0 18px 40px rgba(2,6,23,.6);}
.news-card img{border-radius:var(--radius-sm);margin-bottom:14px;aspect-ratio:16/9;object-fit:cover;width:100%;}
.news-card h3{font-size:.98rem;margin-bottom:8px;line-height:1.4;}
.news-card p{font-size:.85rem;color:var(--muted);margin:0 0 12px;}
.news-meta{font-size:.74rem;color:var(--cyan);letter-spacing:.04em;text-transform:uppercase;font-weight:600;}
.news-empty{padding:28px;border-radius:var(--radius);border:1px dashed var(--line);color:var(--muted);font-size:.9rem;text-align:center;}
.more-row{margin-top:26px;display:flex;justify-content:flex-start;}
/* ============ TRUST ============ */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.trust-item{padding:22px;border-radius:var(--radius);display:flex;gap:14px;align-items:flex-start;}
.trust-item i{font-size:1.15rem;color:var(--cyan);margin-top:4px;}
.trust-item h3{font-size:.96rem;margin-bottom:6px;}
.trust-item p{font-size:.85rem;color:var(--muted);margin:0;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{border-radius:var(--radius);padding:0;overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-weight:600;font-size:.96rem;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;color:var(--cyan);transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--cyan);}
.faq-body{padding:0 22px 20px;font-size:.9rem;color:var(--muted);}
/* ============ CTA FORM ============ */
.cta-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
.cta-form{padding:28px 24px;border-radius:var(--radius-lg);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:7px;font-weight:500;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.6);border:1px solid var(--line);color:var(--text);font-size:.92rem;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--muted);margin:6px 0 18px;}
.check-row input{width:auto;margin-top:4px;accent-color:var(--cyan);}
.form-note{display:block;margin-top:12px;font-size:.82rem;color:var(--cyan);min-height:1.2em;}
.perk-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:.9rem;color:#CBD5E1;}
.perk-list li:last-child{border-bottom:0;}
.perk-list i{color:var(--cyan);margin-top:4px;}
/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:58px;height:58px;border-radius:999px;display:grid;place-items:center;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;
  color:var(--cyan);font-size:1.1rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab-support:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 34px rgba(6,182,212,.7);}
.fab-support:active{transform:scale(.95);}
.fab-support .dot{position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:99px;background:#F43F5E;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:pulse 1.4s infinite;}
/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.9));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;margin-bottom:14px;}
.footer-about p{font-size:.86rem;color:var(--muted);max-width:360px;}
.license-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.license-row span{
  font-size:.7rem;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:var(--glass);
}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text);margin-bottom:14px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul li a{font-size:.86rem;color:var(--muted);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:.78rem;color:var(--muted);
}
.footer-bottom .age{
  padding:3px 10px;border-radius:999px;border:1px solid rgba(244,63,94,.5);color:#F43F5E;font-weight:700;
}
/* ============ RESPONSIVE ============ */
@media screen and (max-width:1100px){
  .feature-grid,.metrics{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:900px){
  .nav-links{display:none;}
  .cta-wrap{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
}
@media screen and (max-width:768px){
  .wrap,.grid-wrap{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .hero{padding:104px 0 48px;}
  .metrics,.feature-grid,.trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-actions .btn-ghost{display:inline-flex;}
  .rank-list li{font-size:.84rem;}
}
@media screen and (max-width:520px){
  .brand-text small{display:none;}
  .nav-actions .btn{padding:8px 13px;font-size:.8rem;}
  .hero-actions .btn{width:100%;}
  .cmp th,.cmp td{padding:12px 12px;font-size:.82rem;}
  .fab-support{left:12px;bottom:88px;width:52px;height:52px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1c3d;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(148,163,184,.16);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,6,23,.65);
  --glow:0 0 26px rgba(56,189,248,.35);
  --glow-strong:0 0 40px rgba(37,99,235,.55);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(37,99,235,.22), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,#030712 0%,#050b1c 42%,#030712 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;letter-spacing:-.02em;color:var(--text);white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:.82rem;font-weight:800;color:#02101f;
}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.is-active{color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn{padding:9px 16px;font-size:.86rem;}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03101f;
  box-shadow:0 10px 30px rgba(37,99,235,.45),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 16px 40px rgba(37,99,235,.6),0 0 34px rgba(56,189,248,.55);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:var(--glass);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--glass-2);color:var(--text);border-color:rgba(56,189,248,.5);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-wide{width:100%;}
/* ============ TAGS / BADGES ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(56,189,248,.12);color:var(--cyan);border:1px solid rgba(56,189,248,.3);
}
.tag-warm{background:rgba(37,99,235,.16);color:var(--holo);border-color:rgba(96,165,250,.32);}
.badge-live{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted);font-weight:500;}
.badge-live i{font-size:.5rem;color:#22C55E;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ============ SECTION ============ */
.section{padding:74px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(1.35rem,2.6vw,2rem);font-weight:800;letter-spacing:-.02em;line-height:1.28;}
.section-head p{color:var(--muted);margin-top:12px;font-size:.98rem;}
.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
/* ============ PAGE HERO ============ */
.page-hero{position:relative;padding:130px 0 60px;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/f3add3d045b358bd.jpg');
  background-size:cover;background-position:center;opacity:.22;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.74),rgba(3,7,18,.95) 66%,var(--bg-0));
}
.page-hero .wrap{position:relative;z-index:2;}
.hero-layout{display:grid;grid-template-columns:1.35fr .95fr;gap:34px;align-items:start;}
.hero-copy h1{font-size:clamp(1.7rem,3.9vw,2.8rem);font-weight:800;letter-spacing:-.025em;line-height:1.2;margin:16px 0 16px;}
.hero-copy h1 em{font-style:normal;background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:1.02rem;color:#CBD5E1;max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px;}
.hero-note{display:flex;flex-wrap:wrap;gap:16px;font-size:.83rem;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--cyan);}
.hero-panel{padding:24px;border-radius:var(--radius-lg);}
.hero-panel h3{font-size:.95rem;font-weight:700;letter-spacing:.02em;margin-bottom:6px;}
.hero-panel .panel-note{font-size:.8rem;color:var(--muted);margin-bottom:18px;}
.panel-rows{display:grid;gap:12px;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.panel-row span:first-child{font-size:.85rem;color:var(--muted);}
.panel-row strong{font-size:.95rem;font-weight:700;color:var(--text);}
.panel-row strong b{color:var(--cyan);}
.panel-foot{margin-top:16px;font-size:.78rem;color:var(--muted);line-height:1.6;}
/* ============ STAT DASHBOARD ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{padding:24px 20px;border-radius:var(--radius);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.42);box-shadow:var(--glow);}
.stat-card .stat-label{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;}
.stat-card .stat-value{font-size:clamp(1.35rem,2.4vw,1.85rem);font-weight:800;letter-spacing:-.02em;margin:10px 0 6px;color:#fff;}
.stat-card .stat-value b{color:var(--cyan);}
.stat-card p{font-size:.84rem;color:var(--muted);line-height:1.6;}
/* ============ PROMO MATRIX ============ */
.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.promo-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.promo-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.45);box-shadow:0 18px 44px rgba(2,6,23,.6),var(--glow);}
.promo-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.28));
  border:1px solid rgba(56,189,248,.32);color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.promo-card h3{font-size:1.06rem;font-weight:700;margin-bottom:9px;line-height:1.35;}
.promo-card p{font-size:.9rem;color:var(--muted);line-height:1.62;}
.promo-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:.73rem;font-weight:600;color:var(--holo);
  background:rgba(96,165,250,.1);border:1px solid rgba(96,165,250,.26);
}
/* ============ COMPARISON ============ */
.compare-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--glass);}
.compare-head,.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:0;}
.compare-head{background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.18));border-bottom:1px solid var(--line);}
.compare-head div{padding:16px 18px;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#e2e8f0;}
.compare-row{border-bottom:1px solid var(--line);transition:background .22s ease;}
.compare-row:last-child{border-bottom:0;}
.compare-row:hover{background:rgba(56,189,248,.05);}
.compare-row div{padding:16px 18px;font-size:.9rem;color:#CBD5E1;border-right:1px solid var(--line);}
.compare-row div:last-child{border-right:0;}
.compare-row div:first-child{font-weight:600;color:var(--text);}
.compare-row .hl{color:var(--cyan);font-weight:600;}
/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15));}
.tl-item{position:relative;padding:0 0 26px 18px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.6);
}
.tl-item h3{font-size:1rem;font-weight:700;margin-bottom:6px;}
.tl-item span.tl-time{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:6px;
}
.tl-item p{font-size:.9rem;color:var(--muted);line-height:1.62;}
/* ============ NEWS LIST ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.45);box-shadow:0 18px 44px rgba(2,6,23,.6);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(12,28,61,.6);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(3,7,18,.75));}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.74rem;color:var(--muted);}
.news-meta i{color:var(--cyan);margin-right:5px;}
.news-body h3{font-size:1rem;font-weight:700;line-height:1.42;}
.news-ex{font-size:.86rem;color:var(--muted);line-height:1.6;}
.empty-note{
  padding:26px;border-radius:var(--radius);text-align:center;
  color:var(--muted);font-size:.92rem;background:var(--glass);border:1px dashed var(--line);
}
/* ============ ASSURANCE ============ */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assure-item{padding:22px 20px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;}
.assure-item:hover{border-color:rgba(56,189,248,.4);transform:translateY(-4px);}
.assure-item i{font-size:1.15rem;color:var(--cyan);margin-bottom:12px;display:block;}
.assure-item h3{font-size:.98rem;font-weight:700;margin-bottom:8px;}
.assure-item p{font-size:.85rem;color:var(--muted);line-height:1.6;}
/* ============ CONDITION LIST ============ */
.cond-layout{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.cond-block{padding:24px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);}
.cond-block h3{font-size:1.02rem;font-weight:700;margin-bottom:14px;}
.cond-list{display:grid;gap:12px;}
.cond-list li{display:flex;gap:11px;font-size:.89rem;color:#CBD5E1;line-height:1.6;}
.cond-list li i{color:var(--cyan);margin-top:5px;font-size:.72rem;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);overflow:hidden;transition:border-color .25s ease;}
.faq-item[open]{border-color:rgba(56,189,248,.42);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:.98rem;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.75rem;color:var(--cyan);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:.9rem;color:var(--muted);line-height:1.68;}
/* ============ CTA FORM ============ */
.cta-section{padding:74px 0 84px;}
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;
  padding:34px;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(37,99,235,.22),rgba(56,189,248,.08) 55%,rgba(3,7,18,.5));
  border:1px solid rgba(56,189,248,.28);
  box-shadow:var(--shadow);
}
.cta-copy h2{font-size:clamp(1.35rem,2.5vw,1.95rem);font-weight:800;letter-spacing:-.02em;line-height:1.28;margin-bottom:14px;}
.cta-copy p{font-size:.95rem;color:#CBD5E1;margin-bottom:18px;}
.cta-points{display:grid;gap:11px;}
.cta-points li{display:flex;gap:10px;font-size:.88rem;color:var(--muted);}
.cta-points li i{color:var(--cyan);margin-top:4px;font-size:.75rem;}
.cta-form{display:grid;gap:14px;align-content:start;padding:24px;border-radius:var(--radius);background:rgba(3,7,18,.55);border:1px solid var(--line);}
.field{display:grid;gap:7px;}
.field label{font-size:.78rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:.92rem;color:var(--text);transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:rgba(148,163,184,.65);}
.field input:focus,.field select:focus{outline:none;border-color:rgba(56,189,248,.65);box-shadow:0 0 0 3px rgba(56,189,248,.16);}
.field select option{background:#0b1224;color:var(--text);}
.form-note{font-size:.76rem;color:var(--muted);line-height:1.6;}
.form-msg{font-size:.85rem;color:var(--cyan);min-height:1.2em;}
/* ============ 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;min-height:56px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  font-size:.82rem;font-weight:700;color:var(--text);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab i{color:var(--cyan);font-size:.95rem;}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);color:var(--text);}
.fab:active{transform:translateY(0) scale(.96);}
.fab .fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#22C55E;box-shadow:0 0 10px #22C55E;animation:pulse 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35);}50%{box-shadow:0 0 30px rgba(56,189,248,.68);}}
/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.5),rgba(3,7,18,.95));padding:56px 0 26px;margin-top:10px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:.98rem;margin-bottom:14px;}
.footer-about p{font-size:.86rem;color:var(--muted);line-height:1.7;max-width:420px;}
.license-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.license-row span{
  font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.footer-col h4{font-size:.86rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text);margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:.86rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:.78rem;color:var(--muted);
}
.footer-bottom .age{
  padding:3px 10px;border-radius:999px;font-weight:700;
  background:rgba(220,38,38,.16);color:#FCA5A5;border:1px solid rgba(220,38,38,.4);
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-layout{grid-template-columns:1fr;gap:26px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .promo-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;}
  .nav-links{max-width:46vw;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:118px 0 48px;}
  .cond-layout{grid-template-columns:1fr;}
  .compare-head,.compare-row{grid-template-columns:1fr 1fr;}
  .compare-head div:nth-child(3),.compare-head div:nth-child(4),
  .compare-row div:nth-child(3),.compare-row div:nth-child(4){display:none;}
  .brand-text small{display:none;}
  .nav-inner{flex-wrap:wrap;padding:10px 0;row-gap:8px;}
  .nav-links{order:3;width:100%;max-width:100%;}
  .nav-actions .btn{padding:8px 13px;font-size:.8rem;}
  .fab{bottom:24px;}
}
@media (max-width:520px){
  .wrap{padding:0 15px;}
  .hero-copy h1{font-size:1.55rem;}
  .stat-grid{grid-template-columns:1fr;}
  .promo-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .brand-text{font-size:.9rem;}
  .cta-panel{padding:22px;}
  .fab{padding:10px 14px;font-size:.76rem;}
}