/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(13,23,44,.72);
  --surface-2:rgba(9,17,34,.92);
  --glass:rgba(12,22,44,.55);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --success:#22C55E;
  --warn:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 42px -22px rgba(2,8,23,.95);
  --shadow-soft:0 10px 26px -18px rgba(2,8,23,.85);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.35);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(37,99,235,.28), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7dd3fc;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.26;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(1.65rem,3.4vw,2.7rem);}
h2{font-size:clamp(1.35rem,2.3vw,2rem);}
h3{font-size:clamp(1.05rem,1.5vw,1.28rem);}
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;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:.06em;color:#fff;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.2);border-color:var(--border-strong);box-shadow:inset 0 0 18px rgba(56,189,248,.12);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border-strong);background:rgba(37,99,235,.08);white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);border:1px solid rgba(125,211,252,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.87rem;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.93rem;color:var(--text);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:#fff;font-size:1.05rem;
  border:1px solid var(--border);background:rgba(56,189,248,.08);
}
.main-nav.open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:14px;right:14px;padding:14px;
  background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.main-nav.open .nav-link{padding:12px 14px;border-radius:12px;}

/* ============ LAYOUT BLOCKS ============ */
main{padding-top:72px;}
.section{padding:72px 0;position:relative;}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.35));border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:.98rem;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;font-size:.73rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--border-strong);background:rgba(37,99,235,.12);
}
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

/* ============ HERO ============ */
.hero{padding:64px 0 66px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;height:520px;
  background:radial-gradient(closest-side,rgba(37,99,235,.35),transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;position:relative;z-index:2;}
.hero-copy h1{max-width:640px;}
.hero-copy h1 .hl{color:var(--cyan);}
.hero-lead{color:#cbd5e1;font-size:1.02rem;margin:18px 0 26px;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.kpi-row{display:flex;flex-wrap:wrap;gap:14px;}
.kpi{
  flex:1 1 150px;padding:14px 16px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(12px);
}
.kpi strong{display:block;font-size:1.24rem;color:#fff;letter-spacing:-.02em;}
.kpi span{font-size:.79rem;color:var(--muted);}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
  transform:translateY(-26px) rotate(-1.1deg);
}
.hero-frame img{width:100%;height:420px;object-fit:cover;}
.hero-frame::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.78));
}
.hero-frame-tag{
  position:absolute;left:18px;bottom:18px;right:18px;display:flex;flex-wrap:wrap;gap:8px;z-index:2;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;
  font-size:.76rem;font-weight:600;color:#e2e8f0;background:rgba(3,7,18,.66);
  border:1px solid var(--border-strong);backdrop-filter:blur(8px);
}
.hero-mini{
  position:absolute;left:-24px;bottom:-30px;width:238px;padding:16px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--border-strong);box-shadow:var(--shadow);
  transform:rotate(2.2deg);
}
.hero-mini strong{display:block;font-size:1.5rem;color:var(--cyan);}
.hero-mini span{font-size:.78rem;color:var(--muted);}

/* ============ TRUST STRIP ============ */
.trust-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(8,18,41,.6);}
.trust-inner{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between;padding:16px 0;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:.84rem;color:var(--muted);}
.trust-item i{color:var(--cyan);}

/* ============ CARDS ============ */
.card{
  padding:26px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-soft);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(37,99,235,.28);}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.2));
  border:1px solid var(--border-strong);color:var(--cyan);font-size:1.15rem;
}
.card h3{margin-bottom:9px;color:#fff;}
.card p{color:var(--muted);font-size:.92rem;margin-bottom:0;line-height:1.65;}
.card-tag{
  display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid var(--border);
}

/* ============ METRICS DASHBOARD ============ */
.dash{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.dash-item{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);}
.dash-item .num{font-size:1.72rem;font-weight:800;color:#fff;letter-spacing:-.02em;display:block;}
.dash-item .lbl{font-size:.82rem;color:var(--muted);display:block;margin-bottom:14px;}
.bar{height:7px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.5);}

/* ============ ENTRY MATRIX ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.entry-card{
  display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.7));
  border:1px solid var(--border);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.entry-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:0 0 32px rgba(56,189,248,.26);}
.entry-card h3{color:#fff;font-size:1.12rem;}
.entry-card p{color:var(--muted);font-size:.9rem;margin-bottom:0;}
.entry-meta{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--holo);margin-top:auto;font-weight:600;}

/* ============ POST CARDS ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius-l);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(37,99,235,.3);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:.75rem;color:var(--muted-2);}
.post-meta .cat{color:var(--cyan);font-weight:700;text-transform:uppercase;letter-spacing:.07em;}
.post-body h3{font-size:1.02rem;color:#fff;line-height:1.42;}
.post-body h3 a{color:#fff;}
.post-body h3 a:hover{color:var(--cyan);}
.post-body p{font-size:.87rem;color:var(--muted);margin:0;}
.post-more{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--holo);display:inline-flex;align-items:center;gap:7px;}

/* ============ TOPIC CLOUD ============ */
.topic-wrap{display:flex;flex-wrap:wrap;gap:12px;}
.topic{
  padding:11px 18px;border-radius:999px;font-size:.87rem;font-weight:600;color:#e2e8f0;
  background:rgba(56,189,248,.08);border:1px solid var(--border);
}
.topic span{color:var(--muted-2);font-weight:500;margin-left:6px;font-size:.8rem;}

/* ============ NEWS LAYOUT ============ */
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:30px;align-items:start;}
.news-main{display:flex;flex-direction:column;gap:18px;}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:18px;padding:16px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);transition:border-color .24s ease,transform .24s ease;
}
.news-item:hover{border-color:var(--border-strong);transform:translateX(4px);}
.news-item img{width:100%;height:100px;object-fit:cover;border-radius:var(--radius-s);}
.news-item h3{font-size:.99rem;color:#fff;margin-bottom:6px;}
.news-item h3 a{color:#fff;}
.news-item h3 a:hover{color:var(--cyan);}
.news-item p{font-size:.85rem;color:var(--muted);margin:0;}
.side-panel{padding:24px;border-radius:var(--radius-l);background:var(--surface-2);border:1px solid var(--border);}
.side-panel h3{font-size:1.02rem;margin-bottom:16px;color:#fff;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed rgba(148,163,184,.18);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list .idx{font-size:.78rem;font-weight:800;color:var(--cyan);min-width:22px;}
.side-list a{font-size:.88rem;color:#e2e8f0;font-weight:600;line-height:1.45;}
.side-list a:hover{color:var(--cyan);}
.empty-note{color:var(--muted);font-size:.92rem;padding:20px;border:1px dashed var(--border);border-radius:var(--radius);}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{padding:26px;border-radius:var(--radius-l);border:1px solid var(--border);background:var(--surface);}
.compare-col.good{border-color:var(--border-strong);background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(8,18,41,.75));box-shadow:0 0 30px rgba(37,99,235,.22);}
.compare-col h3{margin-bottom:16px;color:#fff;display:flex;align-items:center;gap:10px;}
.compare-col ul{display:flex;flex-direction:column;gap:12px;}
.compare-col li{display:flex;gap:11px;font-size:.91rem;color:var(--muted);line-height:1.6;}
.compare-col.good li{color:#dbeafe;}
.compare-col li i{margin-top:4px;}

/* ============ TIMELINE ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tl-item{position:relative;padding:24px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);}
.tl-item::before{content:"";position:absolute;top:-1px;left:20px;width:46px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));}
.tl-item .step{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:700;display:block;margin-bottom:10px;}
.tl-item h3{font-size:1rem;color:#fff;margin-bottom:8px;}
.tl-item p{font-size:.86rem;color:var(--muted);margin:0;}

/* ============ GUIDE ============ */
.guide-list{display:flex;flex-direction:column;gap:18px;}
.guide-item{
  padding:24px 26px;border-radius:var(--radius-l);background:var(--surface);
  border:1px solid var(--border);border-left:3px solid var(--cyan);
}
.guide-item h3{color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:11px;}
.guide-item h3 i{color:var(--cyan);font-size:1rem;}
.guide-item p{color:var(--muted);font-size:.92rem;margin:0;}

/* ============ TESTIMONIALS ============ */
.quote{display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius-l);background:var(--surface);border:1px solid var(--border);}
.quote .stars{color:var(--warn);font-size:.85rem;letter-spacing:2px;}
.quote p{font-size:.93rem;color:#cbd5e1;margin:0;}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote .who .av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.85rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));}
.quote .who strong{font-size:.9rem;color:#fff;display:block;}
.quote .who span{font-size:.78rem;color:var(--muted-2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:600;font-size:.97rem;color:#fff;list-style:none;
  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;color:var(--cyan);font-size:.8rem;transition:transform .24s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:.91rem;}

/* ============ CTA / FORM ============ */
.cta-panel{
  display:grid;grid-template-columns:6fr 6fr;gap:34px;align-items:center;
  padding:40px;border-radius:var(--radius-l);
  background:linear-gradient(150deg,rgba(37,99,235,.22),rgba(8,18,41,.86));
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
}
.cta-panel h2{color:#fff;margin-bottom:14px;}
.cta-panel p{color:#cbd5e1;font-size:.95rem;}
.cta-points{display:flex;flex-direction:column;gap:11px;margin-top:18px;}
.cta-points li{display:flex;gap:10px;font-size:.9rem;color:#dbeafe;}
.cta-points li i{color:var(--cyan);margin-top:4px;}
.reward-form{display:grid;gap:14px;padding:26px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--border);}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:.8rem;font-weight:600;color:var(--muted);}
.field input,.field select{
  padding:13px 15px;border-radius:var(--radius-s);background:rgba(3,7,18,.75);
  border:1px solid var(--border);color:#fff;font-size:.92rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.form-note{font-size:.76rem;color:var(--muted-2);margin:0;}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),#02040c);border-top:1px solid var(--border);padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:30px;}
.footer-brand p{font-size:.87rem;color:var(--muted);margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:.92rem;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.87rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.pay-badge{padding:7px 12px;border-radius:8px;font-size:.75rem;font-weight:600;color:#dbeafe;background:rgba(56,189,248,.1);border:1px solid var(--border);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:.79rem;color:var(--muted-2);
}
.footer-bottom .age{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;border:1px solid var(--border);color:var(--muted);}

/* ============ 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,.8);backdrop-filter:blur(14px);
  border:1px solid transparent;color:#fff;font-size:.86rem;font-weight:700;
  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 20px rgba(6,182,212,.45);opacity:.78;
  animation:fabPulse 3.4s ease-in-out infinite;transition:opacity .24s ease,transform .24s ease,box-shadow .24s ease;
}
.fab i{color:var(--cyan);font-size:1rem;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 30px rgba(56,189,248,.7);color:#fff;}
.fab:active{transform:scale(.96);}
.fab .dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#EC4899;box-shadow:0 0 10px rgba(236,72,153,.9);}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.7);}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:52px;}
  .hero-frame{transform:none;}
  .hero-frame img{height:340px;}
  .hero-mini{left:auto;right:14px;bottom:-26px;width:200px;}
  .grid-3,.entry-grid,.post-grid,.grid-4,.dash,.timeline{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .hero{padding:44px 0 56px;}
  .grid-3,.entry-grid,.post-grid,.grid-4,.dash,.timeline,.compare,.grid-2{grid-template-columns:1fr;}
  .hero-frame img{height:270px;}
  .hero-mini{position:static;width:100%;margin-top:18px;transform:none;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{height:160px;}
  .header-inner{height:66px;gap:10px;}
  .brand-text small{display:none;}
  .btn-ghost{padding:8px 11px;font-size:.8rem;}
  .btn-sm{padding:8px 13px;font-size:.8rem;}
  main{padding-top:66px;}
  .main-nav.open{top:66px;}
  .fab{bottom:84px;left:12px;padding:11px 15px 11px 12px;font-size:.8rem;}
}
@media (max-width:520px){
  .container{padding:0 15px;}
  .brand-text strong{font-size:.95rem;}
  .kpi{flex:1 1 100%;}
  .cta-panel{padding:22px;}
  .card,.entry-card,.post-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .fab span{display:none;}
  .fab{padding:13px;border-radius:50%;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(13,23,44,.72);
  --surface-2:rgba(9,17,34,.92);
  --glass:rgba(12,22,44,.55);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --success:#22C55E;
  --warn:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 42px -22px rgba(2,8,23,.95);
  --shadow-soft:0 10px 26px -18px rgba(2,8,23,.85);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.35);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(37,99,235,.28), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7dd3fc;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.24;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(1.85rem,3.6vw,2.85rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem);}
h3{font-size:1.1rem;font-weight:700;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:.06em;color:#fff;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.2);border-color:var(--border-strong);box-shadow:inset 0 0 18px rgba(56,189,248,.12);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border-strong);background:rgba(37,99,235,.08);white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);border:1px solid rgba(125,211,252,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.87rem;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.93rem;color:var(--text);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:#fff;font-size:1.05rem;
  border:1px solid var(--border);background:rgba(56,189,248,.08);
}
.main-nav.open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:14px;right:14px;padding:14px;
  background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.main-nav.open .nav-link{padding:12px 14px;border-radius:12px;}

/* ============ LAYOUT ============ */
main{padding-top:72px;}
.section{padding:72px 0;position:relative;}
.section.alt{
  background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.35));
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:.98rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;font-size:.73rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--border-strong);background:rgba(37,99,235,.12);
}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ============ HERO ============ */
.hero{padding:58px 0 60px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/be32d0633058f150.jpg') center/cover no-repeat;
  opacity:.16;filter:saturate(.85);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;height:520px;
  background:radial-gradient(closest-side,rgba(37,99,235,.35),transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-stack{display:grid;grid-template-columns:1.4fr .86fr;gap:26px;align-items:start;}
.hero-main{
  background:linear-gradient(155deg,rgba(13,23,44,.86),rgba(6,12,28,.94));
  border:1px solid var(--border-strong);
  border-radius:var(--radius-l);
  padding:38px 36px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  position:relative;overflow:hidden;
}
.hero-main::after{
  content:"";position:absolute;top:-90px;right:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(56,189,248,.28),transparent 70%);
  pointer-events:none;
}
.hero-main h1{margin-bottom:16px;}
.hero-main h1 .hl{color:var(--cyan);}
.hero-lead{color:var(--muted);font-size:1.02rem;max-width:640px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:.8rem;font-weight:600;
  color:#cbd5e1;background:rgba(56,189,248,.08);border:1px solid var(--border);
}
.chip i{color:var(--cyan);}
.hero-side{display:grid;gap:20px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.side-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow-cyan);}
.side-card:nth-child(2){margin-left:26px;}
.side-label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:8px;}
.side-value{font-size:1.5rem;font-weight:800;color:#fff;margin-bottom:6px;}
.side-value small{font-size:.85rem;font-weight:600;color:var(--muted);}
.side-note{font-size:.86rem;color:var(--muted);}
.side-card ul li{display:flex;gap:10px;font-size:.88rem;color:var(--muted);padding:5px 0;}
.side-card ul li i{color:var(--success);margin-top:4px;}

/* stat bar */
.stat-bar{
  margin-top:26px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.stat{background:rgba(6,12,28,.88);padding:20px 18px;text-align:left;}
.stat strong{display:block;font-size:1.4rem;font-weight:800;color:#fff;}
.stat span{font-size:.82rem;color:var(--muted);}

/* ============ CARDS ============ */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:1.05rem;color:var(--cyan);margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.16));
  border:1px solid var(--border-strong);
}
.card p{color:var(--muted);font-size:.93rem;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:.7rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.16);border:1px solid var(--border);
  margin-bottom:12px;
}
.tag.ok{color:#86efac;background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.35);}
.tag.warn{color:#fde68a;background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);}

/* ============ FEATURE SPLIT ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;}
.split-media{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border-strong);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:320px;}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:.85rem;color:#e2e8f0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.check-list li{display:flex;gap:12px;padding:9px 0;font-size:.95rem;color:#cbd5e1;}
.check-list li i{color:var(--cyan);margin-top:5px;font-size:.85rem;}
.check-list li strong{color:#fff;font-weight:700;}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--radius);padding:26px 24px;border:1px solid var(--border);background:var(--surface);}
.compare-col.good{border-color:rgba(34,197,94,.35);background:linear-gradient(160deg,rgba(34,197,94,.09),rgba(6,12,28,.9));}
.compare-col.bad{border-color:rgba(239,68,68,.28);background:linear-gradient(160deg,rgba(239,68,68,.07),rgba(6,12,28,.9));}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.05rem;}
.compare-col.good h3 i{color:var(--success);}
.compare-col.bad h3 i{color:#f87171;}
.compare-col ul li{display:flex;gap:11px;padding:9px 0;font-size:.92rem;color:var(--muted);border-bottom:1px dashed rgba(148,163,184,.14);}
.compare-col ul li:last-child{border-bottom:0;}
.compare-col.good ul li i{color:var(--success);margin-top:5px;font-size:.8rem;}
.compare-col.bad ul li i{color:#f87171;margin-top:5px;font-size:.8rem;}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15));}
.timeline-item{position:relative;padding:0 0 26px 6px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--cyan);box-shadow:var(--glow-cyan);
}
.timeline-item h3{font-size:1.02rem;margin-bottom:6px;}
.timeline-item p{color:var(--muted);font-size:.92rem;}
.step-index{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.12em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:6px;
}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.news-thumb{height:150px;overflow:hidden;background:rgba(37,99,235,.14);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-body h3{font-size:1rem;margin:0;}
.news-body h3 a{color:#fff;}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{color:var(--muted);font-size:.88rem;margin:0;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.76rem;color:var(--muted-2);margin-top:auto;padding-top:10px;}
.news-meta span{display:inline-flex;align-items:center;gap:6px;}
.empty-note{
  padding:26px;border:1px dashed var(--border-strong);border-radius:var(--radius);
  color:var(--muted);text-align:center;background:rgba(8,18,41,.5);
}

/* ============ ASSURANCE ============ */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assure{
  border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;
  background:linear-gradient(160deg,rgba(37,99,235,.12),rgba(6,12,28,.85));
}
.assure i{font-size:1.3rem;color:var(--cyan);margin-bottom:12px;display:block;}
.assure h3{font-size:.98rem;margin-bottom:6px;}
.assure p{font-size:.85rem;color:var(--muted);margin:0;}

/* ============ QUICK ANSWERS ============ */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quick{
  border-left:3px solid var(--cyan);padding:4px 0 4px 18px;
}
.quick h3{font-size:.98rem;margin-bottom:6px;}
.quick p{font-size:.88rem;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:700;font-size:.97rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;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;flex-shrink:0;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.92rem;}

/* ============ CTA / FORM ============ */
.cta-wrap{
  border:1px solid var(--border-strong);border-radius:var(--radius-l);
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(37,99,235,.34), transparent 68%),
    linear-gradient(160deg,rgba(11,23,48,.95),rgba(3,7,18,.96));
  padding:42px 38px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.cta-wrap h2{margin-bottom:12px;}
.cta-wrap .lead{color:var(--muted);font-size:.98rem;margin-bottom:18px;}
.cta-points li{display:flex;gap:11px;font-size:.92rem;color:#cbd5e1;padding:7px 0;}
.cta-points li i{color:var(--cyan);margin-top:5px;font-size:.82rem;}
.form-card{
  background:rgba(6,12,28,.86);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 24px;
}
.form-card h3{font-size:1.05rem;margin-bottom:6px;}
.form-card .form-note{font-size:.84rem;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:6px;letter-spacing:.03em;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(3,7,18,.85);border:1px solid var(--border);color:#fff;font-size:.92rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-card .btn-primary{width:100%;margin-top:6px;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-s);
  font-size:.86rem;color:#bbf7d0;background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.4);
}
.form-msg.show{display:block;}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(2,5,14,.96));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand p{color:var(--muted);font-size:.9rem;margin:14px 0 16px;max-width:400px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badge{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:.74rem;font-weight:600;
  color:#cbd5e1;background:rgba(56,189,248,.08);border:1px solid var(--border);
}
.footer-col h4{font-size:.92rem;margin-bottom:14px;color:#fff;}
.footer-col ul li{padding:6px 0;}
.footer-col ul li a{color:var(--muted);font-size:.88rem;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:.82rem;color:var(--muted-2);
}
.footer-bottom .age{display:inline-flex;align-items:center;gap:7px;color:#fca5a5;}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;font-size:1.2rem;color:#fff;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;
  opacity:.85;
}
.fab-support:hover{transform:scale(1.08);opacity:1;box-shadow:0 0 30px rgba(56,189,248,.7);color:#fff;}
.fab-support:active{transform:scale(.95);}
.fab-support .fab-dot{
  position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(.82);}}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-stack{grid-template-columns:1fr;}
  .hero-side{grid-template-columns:1fr 1fr;}
  .side-card:nth-child(2){margin-left:0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:1fr;}
  .cta-wrap{grid-template-columns:1fr;padding:34px 26px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .compare{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .section{padding:52px 0;}
  .hero{padding:40px 0 46px;}
  .hero-main{padding:28px 22px;}
  .hero-side{grid-template-columns:1fr;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .assure-grid,.news-grid{grid-template-columns:1fr;}
  .header-inner{gap:10px;}
  .brand-text small{display:none;}
  .btn-ghost{padding:8px 11px;font-size:.78rem;}
  .btn-primary.btn-sm{padding:8px 13px;font-size:.78rem;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab-support{left:12px;bottom:80px;width:52px;height:52px;}
}
@media (max-width:420px){
  .stat-bar{grid-template-columns:1fr;}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(13,23,44,.72);
  --surface-2:rgba(9,17,34,.92);
  --glass:rgba(12,22,44,.55);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --success:#22C55E;
  --warn:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 42px -22px rgba(2,8,23,.95);
  --shadow-soft:0 10px 26px -18px rgba(2,8,23,.85);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.35);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(37,99,235,.28), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7dd3fc;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.25;font-weight:700;color:#fff;}
h1{font-size:clamp(1.75rem,3.6vw,2.7rem);font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(1.4rem,2.6vw,2.05rem);font-weight:800;}
h3{font-size:1.14rem;font-weight:700;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:.06em;color:#fff;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.2);border-color:var(--border-strong);box-shadow:inset 0 0 18px rgba(56,189,248,.12);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border-strong);background:rgba(37,99,235,.08);white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);border:1px solid rgba(125,211,252,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.87rem;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.93rem;color:var(--text);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:#fff;font-size:1.05rem;
  border:1px solid var(--border);background:rgba(56,189,248,.08);
}
.main-nav.open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:14px;right:14px;padding:14px;
  background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.main-nav.open .nav-link{padding:12px 14px;border-radius:12px;}
/* ============ LAYOUT BLOCKS ============ */
main{padding-top:72px;}
.section{padding:72px 0;position:relative;}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.35));border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:.98rem;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;font-size:.73rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--border-strong);background:rgba(37,99,235,.12);
}
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
/* ============ HERO ============ */
.hero{padding:58px 0 60px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;height:520px;
  background:radial-gradient(closest-side,rgba(37,99,235,.35),transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:42px;align-items:center;position:relative;z-index:2;}
.hero-copy{text-align:left;}
.hero-copy h1 .hl{color:var(--cyan);}
.hero-lead{color:var(--muted);font-size:1.02rem;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:.78rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border);background:rgba(56,189,248,.07);
}
.hero-panel{
  background:var(--glass);border:1px solid var(--border-strong);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(14px);position:relative;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-l);
  background:linear-gradient(140deg,rgba(56,189,248,.14),transparent 55%);pointer-events:none;
}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.panel-title strong{font-size:1.02rem;}
.panel-title .live{
  display:inline-flex;align-items:center;gap:7px;font-size:.72rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--success);
}
.panel-title .live i{font-size:.55rem;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.metric-list{display:grid;gap:11px;}
.metric{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 15px;border-radius:var(--radius-s);
  background:rgba(8,18,41,.72);border:1px solid var(--border);
}
.metric span{color:var(--muted);font-size:.85rem;}
.metric strong{color:#fff;font-size:1.02rem;font-weight:800;}
.metric strong.gold{color:var(--warn);}
.hero-panel img{border-radius:var(--radius);margin-top:16px;border:1px solid var(--border);}
/* ============ CARDS ============ */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-soft);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.card .icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.18));
  border:1px solid var(--border-strong);color:var(--cyan);font-size:1.12rem;
}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:0;}
.card ul{margin-top:12px;display:grid;gap:8px;}
.card ul li{color:var(--muted);font-size:.9rem;padding-left:20px;position:relative;}
.card ul li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;color:var(--success);font-size:.72rem;top:4px;}
/* ============ HIGHLIGHT SPLIT ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.split.rev{grid-template-columns:7fr 5fr;}
.split-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border-strong);box-shadow:var(--shadow);}
.term-list{display:grid;gap:14px;margin-top:20px;}
.term{
  padding:16px 18px;border-radius:var(--radius-s);background:rgba(8,18,41,.7);
  border:1px solid var(--border);border-left:3px solid var(--cyan);
}
.term h4{margin-bottom:5px;font-size:1rem;}
.term p{margin:0;color:var(--muted);font-size:.9rem;}
/* ============ STATS BAND ============ */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.stat{background:rgba(8,18,41,.82);padding:24px 20px;text-align:left;}
.stat strong{display:block;font-size:1.65rem;font-weight:800;color:var(--cyan);line-height:1.15;}
.stat span{color:var(--muted);font-size:.85rem;}
/* ============ TIERS ============ */
.tier-list{display:grid;gap:14px;}
.tier{
  display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;
  padding:18px 20px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--border);transition:border-color .22s ease,transform .22s ease;
}
.tier:hover{border-color:var(--border-strong);transform:translateX(3px);}
.tier-name{font-weight:800;color:#fff;font-size:1rem;display:flex;align-items:center;gap:9px;}
.tier-name i{color:var(--warn);}
.tier p{margin:0;color:var(--muted);font-size:.9rem;}
.tier .bonus{
  padding:7px 15px;border-radius:999px;font-weight:700;font-size:.86rem;
  color:#03230f;background:linear-gradient(135deg,#34d399,#22c55e);white-space:nowrap;
}
/* ============ COMPARE ============ */
.compare{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.compare th,.compare td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--border);}
.compare th{background:rgba(37,99,235,.18);color:#fff;font-weight:700;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;}
.compare td{color:var(--muted);background:rgba(8,18,41,.62);}
.compare td:first-child{color:#fff;font-weight:600;}
.compare tr:last-child td{border-bottom:0;}
.badge-yes{color:var(--success);font-weight:700;}
.badge-no{color:var(--muted-2);font-weight:600;}
/* ============ TIMELINE ============ */
.timeline{display:grid;gap:0;position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--cyan),transparent);}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item h4{margin-bottom:4px;font-size:1.01rem;}
.tl-item p{margin:0;color:var(--muted);font-size:.91rem;}
/* ============ CMS LIST ============ */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.post:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(8,18,41,.9);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.post-body h3{font-size:1.03rem;margin:0;}
.post-body h3 a{color:#fff;}
.post-body h3 a:hover{color:var(--cyan);}
.post-body p{margin:0;color:var(--muted);font-size:.89rem;}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.76rem;color:var(--muted-2);margin-top:auto;padding-top:8px;}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}
.empty-note{padding:22px;border:1px dashed var(--border-strong);border-radius:var(--radius);color:var(--muted);text-align:center;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;transition:border-color .22s ease;
}
.faq-item[open]{border-color:var(--border-strong);}
.faq-item summary{
  cursor:pointer;font-weight:700;color:#fff;font-size:1rem;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\2b";font-size:1.15rem;color:var(--cyan);transition:transform .22s ease;font-weight:400;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:12px 0 0;color:var(--muted);font-size:.92rem;}
/* ============ CTA / FORM ============ */
.cta-panel{
  background:linear-gradient(135deg,rgba(37,99,235,.26),rgba(56,189,248,.12));
  border:1px solid var(--border-strong);border-radius:var(--radius-l);
  padding:38px;box-shadow:var(--shadow);display:grid;grid-template-columns:6fr 5fr;gap:36px;align-items:center;
}
.cta-panel h2{margin-bottom:12px;}
.cta-panel p{color:var(--muted);margin-bottom:0;}
.form-grid{display:grid;gap:12px;}
.form-grid label{font-size:.82rem;font-weight:600;color:var(--holo);letter-spacing:.03em;}
.form-grid input,.form-grid select{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(3,7,18,.75);border:1px solid var(--border-strong);color:#fff;font-size:.92rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-grid input:focus,.form-grid select:focus{outline:none;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.form-grid .field{display:grid;gap:6px;}
.form-note{font-size:.78rem;color:var(--muted-2);text-align:left;}
/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.channel{
  display:block;padding:24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.channel:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.channel h3{color:#fff;margin-bottom:8px;}
.channel p{color:var(--muted);font-size:.91rem;margin-bottom:14px;}
.channel .more{font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}
/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--border);background:rgba(3,7,18,.9);padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:.9rem;margin:14px 0 16px;}
.footer-brand .brand{margin-bottom:4px;}
.footer-col h4{font-size:.82rem;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{color:var(--muted);font-size:.9rem;}
.footer-col a:hover{color:#fff;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badge{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border);background:rgba(56,189,248,.06);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--border);
  color:var(--muted-2);font-size:.82rem;
}
.footer-bottom .age{color:var(--warn);display:inline-flex;align-items:center;gap:7px;}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.2rem;color:#fff;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(56,189,248,.45);opacity:.8;
  transition:transform .24s ease,opacity .24s ease,box-shadow .24s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.7);}
.fab:active{transform:scale(.95);}
.fab .dot{
  position:absolute;top:5px;right:5px;width:12px;height:12px;border-radius:50%;
  background:#EC4899;box-shadow:0 0 9px #EC4899;animation:pulse 1.4s infinite;
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid,.split,.split.rev,.cta-panel{grid-template-columns:1fr;gap:30px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .post-list,.channel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:860px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-inner{gap:12px;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .tier{grid-template-columns:1fr;gap:10px;}
}
@media (max-width:768px){
  .grid-3{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .compare{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:520px){
  .grid-4,.grid-2,.post-list,.channel-grid,.footer-grid{grid-template-columns:1fr;}
  .btn-ghost{display:none;}
  .brand-text small{display:none;}
  .cta-panel{padding:24px;}
  .stats-band{grid-template-columns:1fr;}
  .fab{bottom:88px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(13,23,44,.72);
  --surface-2:rgba(9,17,34,.92);
  --glass:rgba(12,22,44,.55);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --success:#22C55E;
  --warn:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 42px -22px rgba(2,8,23,.95);
  --shadow-soft:0 10px 26px -18px rgba(2,8,23,.85);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.35);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.66;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(37,99,235,.28), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7dd3fc;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.26;font-weight:800;letter-spacing:-.01em;color:#fff;}
h1{font-size:clamp(1.65rem,3.4vw,2.6rem);}
h2{font-size:clamp(1.35rem,2.4vw,1.95rem);}
h3{font-size:clamp(1.08rem,1.6vw,1.28rem);}
p{margin:0 0 15px;}
ul,ol{margin:0 0 15px;padding-left:20px;}
li{margin-bottom:8px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:.06em;color:#fff;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.2);border-color:var(--border-strong);box-shadow:inset 0 0 18px rgba(56,189,248,.12);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border-strong);background:rgba(37,99,235,.08);white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);border:1px solid rgba(125,211,252,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.87rem;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.93rem;color:var(--text);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:#fff;font-size:1.05rem;
  border:1px solid var(--border);background:rgba(56,189,248,.08);
}
.main-nav.open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:14px;right:14px;padding:14px;
  background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.main-nav.open .nav-link{padding:12px 14px;border-radius:12px;}

/* ============ LAYOUT ============ */
main{padding-top:72px;}
.section{padding:70px 0;position:relative;}
.section.alt{
  background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.35));
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.section-head{max-width:780px;margin-bottom:32px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);margin-bottom:0;font-size:.98rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--border-strong);background:rgba(37,99,235,.12);
}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ============ ARTICLE HERO ============ */
.article-hero{
  position:relative;padding:48px 0 56px;overflow:hidden;
  border-bottom:1px solid var(--border);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.86),rgba(3,7,18,.94)),
    url('/assets/images/f7e7e97d947bd9e3.jpg') center/cover no-repeat;
  opacity:.9;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;left:-10%;bottom:-55%;width:60%;height:420px;
  background:radial-gradient(closest-side,rgba(37,99,235,.4),transparent 72%);
  filter:blur(12px);pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.83rem;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:.62rem;opacity:.7;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#e0f2fe;background:rgba(37,99,235,.2);border:1px solid var(--border-strong);
  box-shadow:inset 0 0 22px rgba(56,189,248,.16);margin-bottom:18px;
}
.article-title{max-width:900px;margin-bottom:20px;}
.article-title .hl{color:var(--cyan);}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  font-size:.82rem;color:var(--muted);background:var(--glass);border:1px solid var(--border);
}
.meta-item i{color:var(--cyan);}
.cover-figure{
  margin:0;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border-strong);
  box-shadow:var(--shadow);position:relative;background:var(--surface-2);
}
.cover-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.cover-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:.82rem;color:#e2e8f0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}

/* ============ STAT STRIP ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:26px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.stat-item{background:rgba(9,17,34,.9);padding:20px 18px;text-align:left;}
.stat-value{display:block;font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:-.01em;}
.stat-value .accent{color:var(--cyan);}
.stat-label{display:block;font-size:.82rem;color:var(--muted);margin-top:4px;line-height:1.5;}

/* ============ ARTICLE BODY ============ */
.article-section{padding:56px 0 64px;}
.article-main{max-width:920px;}
.prose{color:#e2e8f0;font-size:1.03rem;line-height:1.72;}
.prose h2{margin-top:38px;font-size:1.55rem;padding-left:16px;border-left:4px solid var(--cyan);}
.prose h3{margin-top:28px;font-size:1.2rem;color:#f1f5f9;}
.prose p{color:#cbd5e1;}
.prose strong{color:#fff;}
.prose ul,.prose ol{padding-left:22px;color:#cbd5e1;}
.prose li::marker{color:var(--cyan);}
.prose img{border-radius:var(--radius);border:1px solid var(--border);margin:22px 0;box-shadow:var(--shadow-soft);}
.prose blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:var(--glass);border-radius:0 var(--radius) var(--radius) 0;color:#e2e8f0;
}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem;}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--border);text-align:left;}
.prose th{background:rgba(37,99,235,.14);color:#fff;}
.prose a{border-bottom:1px dashed rgba(56,189,248,.5);}
.prose hr{border:0;height:1px;background:var(--border);margin:30px 0;}
.empty-state{
  padding:34px 28px;border-radius:var(--radius-l);background:var(--glass);
  border:1px dashed var(--border-strong);text-align:left;
}
.empty-state h2{margin-bottom:10px;}
.empty-state p{color:var(--muted);}
.empty-state .btn-primary{margin-top:8px;}

/* ============ CARDS ============ */
.glass-card{
  padding:26px 24px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow-cyan);}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border:1px solid var(--border-strong);color:#e0f2fe;font-size:1.1rem;
}
.card-title{font-size:1.08rem;margin-bottom:8px;}
.card-text{color:var(--muted);font-size:.94rem;margin-bottom:0;}
.list-check{list-style:none;padding:0;margin:0;}
.list-check li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.94rem;margin-bottom:10px;}
.list-check li i{color:var(--success);margin-top:4px;font-size:.85rem;}

/* ============ BONUS ROWS ============ */
.bonus-list{border:1px solid var(--border);border-radius:var(--radius-l);overflow:hidden;background:var(--surface);}
.bonus-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.6fr;gap:16px;align-items:center;
  padding:20px 22px;border-bottom:1px solid var(--border);
}
.bonus-row:last-child{border-bottom:0;}
.bonus-row:nth-child(even){background:rgba(56,189,248,.04);}
.bonus-tier{font-weight:700;color:#fff;font-size:.98rem;}
.bonus-value{font-weight:800;color:var(--cyan);font-size:1.05rem;}
.bonus-note{color:var(--muted);font-size:.9rem;margin:0;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid var(--border-strong);
  background:
    linear-gradient(120deg,rgba(37,99,235,.28),rgba(3,7,18,.9) 62%),
    url('/assets/images/740c228637d96b2a.jpg') center/cover no-repeat;
  padding:44px 38px;box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-8%;top:-40%;width:44%;height:340px;
  background:radial-gradient(closest-side,rgba(56,189,248,.4),transparent 70%);filter:blur(8px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:center;}
.cta-title{margin-bottom:10px;}
.cta-text{color:#cbd5e1;margin-bottom:0;font-size:.97rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:.76rem;font-weight:600;color:#cbd5e1;background:rgba(56,189,248,.08);
  border:1px solid var(--border);
}

/* ============ PAYMENT GRID ============ */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.pay-card{
  padding:22px 20px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--border);transition:border-color .22s ease,transform .22s ease;
}
.pay-card:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.pay-name{display:flex;align-items:center;gap:9px;font-weight:700;color:#fff;margin-bottom:6px;font-size:.98rem;}
.pay-name i{color:var(--cyan);}
.pay-desc{color:var(--muted);font-size:.88rem;margin:0;}

/* ============ RELATED ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{
  display:flex;flex-direction:column;border-radius:var(--radius-l);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow-cyan);}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-body{padding:18px 20px 22px;}
.related-body h3{font-size:1rem;margin-bottom:8px;color:#fff;}
.related-body p{color:var(--muted);font-size:.88rem;margin-bottom:12px;}
.related-link{font-size:.86rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--glass);
  padding:0;overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:var(--border-strong);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:#fff;font-size:.99rem;
  display:flex;align-items:center;justify-content:space-between;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:.8rem;color:var(--cyan);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:.94rem;}

/* ============ FORM ============ */
.form-wrap{
  display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:start;
}
.form-card{
  padding:30px 28px;border-radius:var(--radius-l);background:var(--surface-2);
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.84rem;font-weight:600;color:#cbd5e1;}
.field input,.field select{
  padding:13px 15px;border-radius:var(--radius-s);background:rgba(3,7,18,.7);
  border:1px solid var(--border);color:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.form-card .btn-primary{width:100%;margin-top:18px;}
.form-note{font-size:.8rem;color:var(--muted-2);margin:12px 0 0;text-align:left;}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:58px 0 26px;background:rgba(3,7,18,.92);
  border-top:1px solid var(--border);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:.9rem;margin:16px 0 0;}
.footer-col h4{font-size:.95rem;margin-bottom:16px;color:#fff;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.9rem;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  color:var(--muted-2);font-size:.82rem;
}
.footer-bottom .age{display:inline-flex;align-items:center;gap:7px;color:var(--warn);}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;padding:10px 16px 10px 10px;
  border-radius:999px;color:#fff;
  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,.9),rgba(7,7,13,.9)),
    linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  transition:transform .24s ease,box-shadow .24s ease,opacity .24s ease;
  opacity:.88;
}
.fab:hover{color:#fff;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(56,189,248,.7);opacity:1;}
.fab:active{transform:scale(.96);}
.fab-icon{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));font-size:1rem;color:#fff;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab-text{font-size:.78rem;font-weight:700;line-height:1.2;letter-spacing:.02em;text-align:left;}
.fab-dot{
  position:absolute;top:6px;right:8px;width:10px;height:10px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 3px rgba(3,7,18,.9);animation:fabBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 0 rgba(56,189,248,0);}50%{box-shadow:0 0 16px rgba(56,189,248,.75);}}
@keyframes fabBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .grid-4,.pay-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3,.related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:22px;}
  .cta-actions{justify-content:flex-start;}
  .form-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .main-nav{
    display:none;position:absolute;top:72px;left:14px;right:14px;padding:14px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--surface-2);border:1px solid var(--border-strong);
    border-radius:var(--radius);box-shadow:var(--shadow);
  }
  .main-nav.open{display:flex;}
  .main-nav .nav-link{padding:12px 14px;border-radius:12px;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .main-nav{margin-left:0;}
  .header-inner{gap:12px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .article-hero{padding:34px 0 42px;}
  .grid-2,.grid-3,.grid-4,.pay-grid,.related-grid{grid-template-columns:1fr;}
  .bonus-row{grid-template-columns:1fr;gap:8px;padding:18px;}
  .cover-figure img{aspect-ratio:16/10;}
  .cta-band{padding:32px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
  .brand-text small{display:none;}
}
@media (max-width:520px){
  .container{padding:0 15px;}
  .header-inner{height:66px;}
  .site-header .main-nav{top:66px;}
  .main-nav.open{top:66px;}
  .btn-ghost{padding:8px 11px;font-size:.82rem;}
  .btn-primary.btn-sm{padding:8px 13px;font-size:.8rem;}
  .article-meta{gap:8px;}
  .meta-item{font-size:.78rem;padding:6px 11px;}
  .stat-strip{grid-template-columns:1fr;}
  .fab{bottom:84px;left:12px;padding:8px 14px 8px 8px;}
  .fab-text{display:none;}
  .fab-icon{width:42px;height:42px;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(13,23,44,.72);
  --surface-2:rgba(9,17,34,.92);
  --glass:rgba(12,22,44,.55);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --success:#22C55E;
  --warn:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 42px -22px rgba(2,8,23,.95);
  --shadow-soft:0 10px 26px -18px rgba(2,8,23,.85);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.35);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(37,99,235,.28), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7dd3fc;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.24;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(1.72rem,3.4vw,2.6rem);}
h2{font-size:clamp(1.36rem,2.4vw,2rem);}
h3{font-size:1.08rem;font-weight:700;}
p{margin:0 0 14px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:.06em;color:#fff;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600;
  color:var(--muted);white-space:nowrap;border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.2);border-color:var(--border-strong);box-shadow:inset 0 0 18px rgba(56,189,248,.12);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--holo);
  border:1px solid var(--border-strong);background:rgba(37,99,235,.08);white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow);border:1px solid rgba(125,211,252,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.6);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:.87rem;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.93rem;color:var(--text);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:#fff;font-size:1.05rem;
  border:1px solid var(--border);background:rgba(56,189,248,.08);
}
.main-nav.open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:14px;right:14px;padding:14px;
  background:var(--surface-2);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.main-nav.open .nav-link{padding:12px 14px;border-radius:12px;}

/* ============ LAYOUT ============ */
main{padding-top:72px;}
.section{padding:72px 0;position:relative;}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.35));border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head p{color:var(--muted);font-size:.98rem;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;font-size:.73rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--border-strong);background:rgba(37,99,235,.12);
}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ============ HERO ============ */
.hero{padding:56px 0 64px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;height:520px;
  background:radial-gradient(closest-side,rgba(37,99,235,.35),transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:42px;align-items:center;position:relative;z-index:2;}
.hero-copy .lead{color:#cbd5e1;font-size:1.03rem;max-width:600px;}
.hero-copy h1 .hl{color:var(--cyan);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.9rem;color:var(--muted);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points i{color:var(--success);}
.ba-wrap{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ba-card{
  border-radius:var(--radius-l);padding:22px 20px;
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-soft);
}
.ba-card.ba-before{border-color:rgba(148,163,184,.26);}
.ba-card.ba-after{
  border-color:var(--border-strong);
  background:linear-gradient(160deg,rgba(37,99,235,.24),rgba(8,18,41,.85));
  box-shadow:var(--glow-cyan),var(--shadow-soft);
}
.ba-tag{
  display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:999px;
  font-size:.68rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
}
.ba-before .ba-tag{background:rgba(148,163,184,.16);color:#cbd5e1;}
.ba-after .ba-tag{background:rgba(56,189,248,.2);color:#e0f4ff;border:1px solid var(--border-strong);}
.ba-card h3{font-size:1rem;margin-bottom:14px;}
.ba-list li{display:flex;gap:10px;align-items:flex-start;font-size:.89rem;color:#cbd5e1;padding:7px 0;border-bottom:1px dashed rgba(148,163,184,.16);}
.ba-list li:last-child{border-bottom:0;}
.ba-before .ba-list i{color:#f87171;margin-top:4px;}
.ba-after .ba-list i{color:var(--success);margin-top:4px;}

/* ============ STATS ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  padding:24px 20px;border-radius:var(--radius);text-align:left;
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.stat-num{font-size:1.85rem;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em;}
.stat-num span{color:var(--cyan);}
.stat-label{margin-top:8px;font-size:.85rem;color:var(--muted);}

/* ============ METHODS ============ */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.method-card{
  padding:26px 22px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.method-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--glow-cyan),var(--shadow);}
.method-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.4),rgba(56,189,248,.24));
  border:1px solid var(--border-strong);color:#dff1ff;font-size:1.15rem;
}
.method-card h3{margin-bottom:8px;}
.method-card p{font-size:.9rem;color:var(--muted);margin:0;}
.method-note{display:inline-block;margin-top:14px;font-size:.76rem;font-weight:700;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase;}

/* ============ COMPARE TABLE ============ */
.table-wrap{
  overflow-x:auto;border-radius:var(--radius-l);border:1px solid var(--border);
  background:var(--surface-2);box-shadow:var(--shadow-soft);
}
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 rgba(56,189,248,.1);}
table.compare thead th{
  font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  background:rgba(8,18,41,.9);
}
table.compare thead th:last-child{color:var(--cyan);}
table.compare tbody th{font-weight:600;color:#e2e8f0;background:rgba(3,7,18,.35);}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td{background:rgba(37,99,235,.08);}
.bad{color:#fca5a5;}
.good{color:#86efac;}

/* ============ TIMELINE ============ */
.timeline{display:grid;gap:0;counter-reset:step;}
.tl-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:flex-start;
  padding:22px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.tl-item:last-child{border-bottom:0;}
.tl-index{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:1.05rem;color:#fff;
  background:linear-gradient(140deg,var(--blue),var(--cyan));box-shadow:var(--glow);
}
.tl-item h3{margin-bottom:6px;}
.tl-item p{margin:0;color:var(--muted);font-size:.92rem;}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  border-radius:var(--radius-l);overflow:hidden;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--shadow);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.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-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-meta{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);font-weight:700;}
.news-body h3{margin:0;font-size:1rem;line-height:1.4;}
.news-body h3 a{color:#fff;}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{margin:0;font-size:.88rem;color:var(--muted);}
.empty-note{
  grid-column:1/-1;padding:26px;border-radius:var(--radius);text-align:left;
  border:1px dashed var(--border-strong);color:var(--muted);background:var(--glass);
}

/* ============ GUARANTEE ============ */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.g-card{
  padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(13,23,44,.9),rgba(8,18,41,.6));
  border:1px solid var(--border);
}
.g-card i{font-size:1.2rem;color:var(--cyan);margin-bottom:12px;display:block;}
.g-card h3{font-size:.98rem;margin-bottom:6px;}
.g-card p{margin:0;font-size:.85rem;color:var(--muted);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  font-size:.76rem;font-weight:600;color:#dbeafe;
  background:rgba(37,99,235,.16);border:1px solid var(--border);
}

/* ============ CATEGORY MATRIX ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{
  display:block;padding:24px 22px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--border);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--glow-cyan),var(--shadow);}
.cat-card h3{color:#fff;margin-bottom:8px;}
.cat-card p{margin:0 0 14px;font-size:.88rem;color:var(--muted);}
.cat-card span{font-size:.8rem;font-weight:700;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:960px;}
.faq-item{
  border-radius:var(--radius);border:1px solid var(--border);
  background:var(--surface);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;
  font-weight:700;font-size:.97rem;color:#fff;
}
.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:.78rem;
  margin-left:auto;color:var(--cyan);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.92rem;}

/* ============ CTA FORM ============ */
.cta-block{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:38px;align-items:center;
  padding:42px;border-radius:var(--radius-l);
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(8,18,41,.9));
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
}
.cta-copy h2{margin-bottom:12px;}
.cta-copy p{color:#cbd5e1;font-size:.95rem;margin-bottom:16px;}
.cta-copy ul{display:grid;gap:9px;font-size:.9rem;color:#cbd5e1;}
.cta-copy ul li{display:flex;gap:10px;align-items:flex-start;}
.cta-copy ul i{color:var(--success);margin-top:4px;}
.signup-form{
  display:grid;gap:14px;padding:26px 24px;border-radius:var(--radius-l);
  background:rgba(3,7,18,.72);border:1px solid var(--border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.field{display:grid;gap:7px;}
.field label{font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(8,18,41,.9);border:1px solid var(--border);color:#fff;font-size:.93rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:var(--glow-cyan);outline:none;}
.signup-form .btn-primary{width:100%;padding:14px 22px;}
.form-note{font-size:.78rem;color:var(--muted-2);margin:0;}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 18px;
  border-radius:999px;font-size:.85rem;font-weight:700;color:#eaf7ff;
  background:rgba(7,15,30,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,15,30,.86),rgba(7,15,30,.86)),linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.8;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab-support i{font-size:1.05rem;color:var(--cyan);}
.fab-support:hover{opacity:1;color:#fff;transform:scale(1.05);box-shadow:0 0 32px rgba(56,189,248,.7);}
.fab-support:active{transform:scale(.97);}
.fab-dot{
  position:absolute;top:6px;right:10px;width:10px;height:10px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px rgba(34,211,238,.9);animation:dotBlink 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.6);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ============ FOOTER ============ */
.site-footer{
  padding:58px 0 26px;margin-top:20px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(2,6,16,.96));
  border-top:1px solid var(--border);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand p{color:var(--muted);font-size:.88rem;margin-top:14px;max-width:420px;}
.footer-brand .pay-row{margin-top:16px;}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#cbd5e1;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{color:var(--muted);font-size:.88rem;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:.79rem;color:var(--muted-2);
}
.footer-bottom .age{display:inline-flex;align-items:center;gap:8px;color:#cbd5e1;font-weight:600;}
.footer-bottom .age i{color:#f87171;}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .method-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-block{grid-template-columns:1fr;padding:34px 26px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:860px){
  .main-nav{
    display:none;position:absolute;top:72px;left:14px;right:14px;padding:14px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--surface-2);border:1px solid var(--border-strong);
    border-radius:var(--radius);box-shadow:var(--shadow);
  }
  .main-nav.open{display:flex;}
  .main-nav .nav-link{padding:12px 14px;border-radius:12px;}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .btn-ghost{padding:8px 12px;font-size:.82rem;}
  .header-actions .btn-primary.btn-sm{padding:8px 14px;font-size:.82rem;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .ba-wrap{grid-template-columns:1fr;}
  .method-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:56px 1fr;gap:16px;}
  .tl-index{width:46px;height:46px;border-radius:14px;font-size:.95rem;}
  .brand-text small{display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .stats-grid{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta a{width:100%;}
  .cta-block{padding:26px 18px;}
  .signup-form{padding:22px 18px;}
  .header-actions .btn-ghost{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab-support{height:52px;padding:0 15px;font-size:.8rem;bottom:86px;}
}