/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.62);
  --panel-strong:rgba(9,18,38,.9);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --primary:#2563EB;
  --accent:#38BDF8;
  --holo:#60A5FA;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(56,189,248,.09)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.28);
  padding:.38rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.h2{font-size:clamp(1.55rem,3.1vw,2.25rem);margin-bottom:1rem}
.h3{font-size:clamp(1.1rem,2.1vw,1.35rem);margin-bottom:.75rem;color:#E2F3FF}
.lead{color:var(--muted);font-size:1rem;max-width:70ch;line-height:1.7}
.section-head{max-width:760px;margin-bottom:2.5rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;height:70px}
.brand{display:flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:1rem;font-weight:800;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;box-shadow:var(--glow);
}
.brand-text{font-weight:800;font-size:.98rem;line-height:1.15;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.66rem;font-weight:600;color:#7DD3FC;letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  padding:.5rem .8rem;border-radius:10px;font-size:.88rem;font-weight:600;
  color:#B9C7DA;transition:all .22s ease;white-space:nowrap;
}
.nav-links a:hover{color:#E2F3FF;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#E2F3FF;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.nav-cta{display:flex;align-items:center;gap:.55rem;margin-left:.75rem}
.btn-login{
  padding:.55rem 1rem;border-radius:11px;font-size:.85rem;font-weight:700;
  color:#BAE6FD;border:1px solid rgba(56,189,248,.42);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#E2F3FF}
.btn-signup{
  padding:.6rem 1.1rem;border-radius:11px;font-size:.85rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.42);transition:all .22s ease;white-space:nowrap;
}
.btn-signup:hover{box-shadow:0 0 32px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  color:#BAE6FD;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);padding:.85rem 0 1.1rem}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:.72rem .9rem;border-radius:11px;font-weight:600;
  color:#B9C7DA;font-size:.92rem;
}
.mobile-panel a.active{color:#E2F3FF;background:rgba(56,189,248,.14)}
.mobile-panel a:hover{background:rgba(56,189,248,.08);color:#E2F3FF}
.mobile-panel .m-cta{display:flex;gap:.6rem;margin-top:.7rem}
.mobile-panel .m-cta a{flex:1;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.88rem 1.6rem;border-radius:14px;font-size:.94rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;
  box-shadow:0 0 24px rgba(56,189,248,.42);font-weight:800;
}
.btn-primary:hover{box-shadow:0 0 40px rgba(56,189,248,.72);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(56,189,248,.5)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:rgba(56,189,248,.38);color:#BAE6FD}
.btn-ghost:hover{background:rgba(56,189,248,.17);border-color:rgba(56,189,248,.66);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 78px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/de53313111d75813.jpg');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.92) 55%,#030712 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero h1{
  font-size:clamp(1.85rem,4.6vw,3.15rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.18;
  max-width:1000px;margin:0 auto 1.1rem;
  background:linear-gradient(120deg,#FFFFFF 15%,#BAE6FD 55%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#B9C7DA;font-size:1.02rem;line-height:1.72;max-width:790px;margin:0 auto 1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center;margin-bottom:2.9rem}

.coupon-wall{
  display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:1.1rem;
  align-items:stretch;text-align:left;
}
.coupon{
  position:relative;overflow:hidden;border-radius:var(--radius);
  padding:1.5rem 1.35rem;
  background:linear-gradient(155deg,rgba(37,99,235,.17),rgba(8,18,41,.94));
  border:1px solid rgba(56,189,248,.2);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;flex-direction:column;gap:.65rem;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.coupon:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.5);box-shadow:0 0 32px rgba(37,99,235,.32)}
.coupon-main{border-color:rgba(56,189,248,.55);box-shadow:0 0 46px rgba(37,99,235,.34)}
.coupon-main::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 82% 4%,rgba(56,189,248,.25),transparent 58%);
}
.coupon-tag{
  align-self:flex-start;font-size:.68rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;padding:.28rem .7rem;border-radius:999px;
  background:rgba(56,189,248,.16);color:#7DD3FC;border:1px solid rgba(56,189,248,.4);
}
.coupon-value{font-size:clamp(2rem,4vw,2.9rem);font-weight:900;line-height:1;color:#E2F3FF;letter-spacing:-.02em}
.coupon-value span{font-size:.9rem;font-weight:700;color:#7DD3FC;letter-spacing:0}
.coupon-title{font-size:1rem;font-weight:700;color:#E2F3FF}
.coupon-desc{font-size:.85rem;color:var(--muted);line-height:1.6}
.code-box{
  margin-top:auto;border:1px dashed rgba(56,189,248,.5);border-radius:var(--radius-sm);
  padding:.68rem .9rem;text-align:center;font-weight:800;letter-spacing:.16em;
  font-family:ui-monospace,'SFMono-Regular',Menlo,monospace;
  color:#7DD3FC;background:rgba(3,7,18,.62);font-size:.9rem;
}
.coupon .btn{padding:.72rem 1.1rem;font-size:.87rem;border-radius:12px}

/* ---------- Stats ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.stat{padding:1.4rem 1.3rem}
.stat-num{display:block;font-size:1.65rem;font-weight:900;color:#7DD3FC;letter-spacing:-.02em;margin-bottom:.35rem}
.stat-label{font-size:.85rem;color:var(--muted);line-height:1.55}

/* ---------- Value list ---------- */
.value-list{display:grid;gap:.9rem;margin-top:1.6rem}
.value-item{display:flex;gap:1rem;padding:1.1rem 1.2rem;border-left:2px solid rgba(56,189,248,.45);background:rgba(56,189,248,.045);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.value-item i{color:#38BDF8;font-size:1.05rem;margin-top:.25rem;flex-shrink:0}
.value-item h4{font-size:.98rem;font-weight:700;margin-bottom:.28rem;color:#E2F3FF}
.value-item p{font-size:.88rem;color:var(--muted);line-height:1.62}

/* ---------- Feature grid ---------- */
.feature{gap:0;border-top:1px solid rgba(56,189,248,.14);border-left:1px solid rgba(56,189,248,.14)}
.feature-cell{
  padding:1.6rem 1.45rem;border-right:1px solid rgba(56,189,248,.14);
  border-bottom:1px solid rgba(56,189,248,.14);transition:background .25s ease;
}
.feature-cell:hover{background:rgba(56,189,248,.06)}
.feature-cell i{font-size:1.15rem;color:#38BDF8;margin-bottom:.85rem;display:block}
.feature-cell h4{font-size:1rem;font-weight:700;margin-bottom:.45rem;color:#E2F3FF}
.feature-cell p{font-size:.86rem;color:var(--muted);line-height:1.62}

/* ---------- Code tiers ---------- */
.tier-row{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem 1.25rem;border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .22s ease;
}
.tier-row:hover{background:rgba(56,189,248,.055)}
.tier-row:last-child{border-bottom:none}
.tier-left{display:flex;align-items:center;gap:.9rem;min-width:0}
.tier-amount{font-size:1.1rem;font-weight:900;color:#7DD3FC;min-width:88px}
.tier-name{font-size:.9rem;color:#CBD5E1;line-height:1.5}
.pill{font-size:.72rem;font-weight:700;padding:.28rem .72rem;border-radius:999px;white-space:nowrap}
.pill-live{background:rgba(16,185,129,.14);color:#6EE7B7;border:1px solid rgba(16,185,129,.38)}
.pill-soon{background:rgba(245,158,11,.13);color:#FCD34D;border:1px solid rgba(245,158,11,.35)}
.pill-used{background:rgba(148,163,184,.12);color:#94A3B8;border:1px solid rgba(148,163,184,.3)}
.panel-frame{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-strong);backdrop-filter:blur(12px);overflow:hidden}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.2rem}
.step{position:relative;padding:1.6rem 1.35rem 1.5rem;border-radius:var(--radius);background:linear-gradient(160deg,rgba(37,99,235,.13),rgba(8,18,41,.9));border:1px solid var(--line)}
.step-num{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#04101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);margin-bottom:1rem;
}
.step h4{font-size:1rem;font-weight:700;margin-bottom:.45rem;color:#E2F3FF}
.step p{font-size:.87rem;color:var(--muted);line-height:1.62}

/* ---------- Platforms ---------- */
.platform{display:flex;gap:1.1rem;padding:1.4rem;align-items:flex-start}
.platform i{font-size:1.6rem;color:#60A5FA;flex-shrink:0;margin-top:.15rem}
.platform h4{font-size:1rem;font-weight:700;margin-bottom:.35rem;color:#E2F3FF}
.platform p{font-size:.87rem;color:var(--muted);line-height:1.62}

/* ---------- Compare ---------- */
.compare{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.compare-head{padding:1rem 1.3rem;font-weight:800;font-size:.92rem;letter-spacing:.02em}
.compare-a .compare-head{background:rgba(148,163,184,.1);color:#CBD5E1}
.compare-b .compare-head{background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));color:#E2F3FF}
.compare ul{padding:1.1rem 1.3rem 1.3rem}
.compare li{display:flex;gap:.7rem;font-size:.88rem;color:var(--muted);line-height:1.6;margin-bottom:.7rem}
.compare li:last-child{margin-bottom:0}
.compare li i{margin-top:.3rem;flex-shrink:0;font-size:.8rem}
.compare-a li i{color:#64748B}
.compare-b li i{color:#38BDF8}

/* ---------- Category wall ---------- */
.cat-card{
  display:block;padding:1.5rem 1.4rem;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(37,99,235,.14),rgba(8,18,41,.92));
  border:1px solid var(--line);transition:all .28s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 30px rgba(37,99,235,.3)}
.cat-card i{font-size:1.35rem;color:#38BDF8;margin-bottom:.85rem;display:block}
.cat-card h4{font-size:1.05rem;font-weight:800;margin-bottom:.45rem;color:#E2F3FF}
.cat-card p{font-size:.87rem;color:var(--muted);line-height:1.62}
.cat-card span.more{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;font-size:.82rem;font-weight:700;color:#7DD3FC}

/* ---------- Invite ---------- */
.progress-track{height:10px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden;margin:.85rem 0 .5rem}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 16px rgba(56,189,248,.55)}
.rank-row{display:flex;align-items:center;gap:.9rem;padding:.8rem 1.1rem;border-bottom:1px solid rgba(56,189,248,.1);font-size:.88rem}
.rank-row:last-child{border-bottom:none}
.rank-no{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:.76rem;font-weight:800;background:rgba(56,189,248,.14);color:#7DD3FC;flex-shrink:0}
.rank-name{color:#CBD5E1;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-val{font-weight:800;color:#7DD3FC;white-space:nowrap}

/* ---------- Timeline ---------- */
.timeline{border-left:2px solid rgba(56,189,248,.24);padding-left:1.5rem;display:grid;gap:1.5rem}
.tl-item{position:relative}
.tl-item::before{
  content:'';position:absolute;left:-1.94rem;top:.42rem;width:11px;height:11px;border-radius:50%;
  background:#38BDF8;box-shadow:0 0 12px rgba(56,189,248,.85);
}
.tl-date{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#7DD3FC;margin-bottom:.28rem}
.tl-item h4{font-size:.98rem;font-weight:700;margin-bottom:.3rem;color:#E2F3FF}
.tl-item p{font-size:.87rem;color:var(--muted);line-height:1.62}

/* ---------- Reviews ---------- */
.review{padding:1.5rem 1.4rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
.review .stars{color:#FBBF24;font-size:.8rem;margin-bottom:.75rem;letter-spacing:.14em}
.review p{font-size:.9rem;color:#CBD5E1;line-height:1.68;margin-bottom:1rem}
.review-author{display:flex;align-items:center;gap:.72rem}
.avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:.85rem;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f}
.review-author strong{display:block;font-size:.87rem;color:#E2F3FF}
.review-author span{font-size:.76rem;color:var(--muted)}

/* ---------- Requirements ---------- */
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.req{padding:1.35rem 1.3rem;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid rgba(56,189,248,.14)}
.req h4{font-size:.92rem;font-weight:700;color:#E2F3FF;margin-bottom:.6rem;display:flex;align-items:center;gap:.5rem}
.req h4 i{color:#38BDF8;font-size:.9rem}
.req li{font-size:.85rem;color:var(--muted);line-height:1.6;padding-left:.95rem;position:relative;margin-bottom:.35rem}
.req li::before{content:'';position:absolute;left:0;top:.62rem;width:5px;height:5px;border-radius:50%;background:#38BDF8}

/* ---------- Trust ---------- */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.trust-item{display:flex;gap:.8rem;align-items:flex-start;padding:1.15rem 1.2rem;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid rgba(56,189,248,.13)}
.trust-item i{color:#60A5FA;font-size:1.05rem;margin-top:.22rem}
.trust-item strong{display:block;font-size:.88rem;color:#E2F3FF;margin-bottom:.22rem}
.trust-item span{font-size:.8rem;color:var(--muted);line-height:1.55}

/* ---------- CMS news ---------- */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:1.6rem}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:1.15rem;padding:1.1rem;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);margin-bottom:1rem;transition:all .26s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 0 26px rgba(37,99,235,.22)}
.news-thumb{width:100%;height:104px;object-fit:cover;border-radius:var(--radius-sm);background:#0B1730}
.news-body h4{font-size:.98rem;font-weight:700;color:#E2F3FF;margin-bottom:.4rem;line-height:1.45}
.news-body p{font-size:.85rem;color:var(--muted);line-height:1.6;margin-bottom:.6rem}
.news-meta{display:flex;flex-wrap:wrap;gap:.7rem;font-size:.75rem;color:#7DD3FC}
.news-meta span{display:inline-flex;align-items:center;gap:.34rem}
.side-item{display:flex;gap:.72rem;padding:.85rem 0;border-bottom:1px solid rgba(56,189,248,.1)}
.side-item:last-child{border-bottom:none}
.side-dot{width:8px;height:8px;border-radius:50%;background:#38BDF8;flex-shrink:0;margin-top:.55rem;box-shadow:0 0 10px rgba(56,189,248,.8)}
.side-item h5{font-size:.87rem;font-weight:600;color:#CBD5E1;line-height:1.5;margin:0 0 .25rem}
.side-item span{font-size:.74rem;color:var(--muted)}
.empty-note{font-size:.9rem;color:var(--muted);padding:1.4rem;border:1px dashed rgba(56,189,248,.28);border-radius:var(--radius);text-align:center}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);margin-bottom:.85rem;overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:1.05rem 1.2rem;font-weight:700;font-size:.94rem;color:#E2F3FF;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.2rem;color:#38BDF8;font-weight:700;flex-shrink:0;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{background:rgba(56,189,248,.07)}
.faq-item .faq-body{padding:0 1.2rem 1.15rem;font-size:.88rem;color:var(--muted);line-height:1.7}

/* ---------- Form ---------- */
.form-shell{
  border-radius:24px;padding:2.2rem;border:1px solid rgba(56,189,248,.28);
  background:linear-gradient(150deg,rgba(37,99,235,.2),rgba(8,18,41,.95));
  box-shadow:0 0 50px rgba(37,99,235,.25);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.4rem}
.field{display:flex;flex-direction:column;gap:.42rem}
.field label{font-size:.82rem;font-weight:700;color:#BAE6FD}
.field input,.field select{
  padding:.82rem 1rem;border-radius:12px;border:1px solid rgba(56,189,248,.25);
  background:rgba(3,7,18,.65);color:#E2F3FF;font-size:.9rem;transition:all .22s ease;
}
.field input::placeholder{color:#5B6B82}
.field input:focus,.field select:focus{border-color:#38BDF8;box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.field select option{background:#081229;color:#E2F3FF}
.form-note{font-size:.78rem;color:var(--muted);margin-top:.95rem;line-height:1.6}
.form-msg{display:none;margin-top:1rem;padding:.85rem 1.1rem;border-radius:12px;font-size:.87rem;background:rgba(16,185,129,.13);border:1px solid rgba(16,185,129,.4);color:#6EE7B7}
.form-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid rgba(56,189,248,.13);background:linear-gradient(180deg,rgba(8,18,41,.7),#030712);padding:3.4rem 0 1.8rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:2rem;margin-bottom:2.4rem}
.footer-grid h5{font-size:.82rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:#7DD3FC;margin-bottom:1rem}
.footer-grid p{font-size:.86rem;color:var(--muted);line-height:1.7}
.footer-grid li{margin-bottom:.62rem}
.footer-grid li a{font-size:.87rem;color:#A9B7C9;transition:color .2s ease}
.footer-grid li a:hover{color:#7DD3FC}
.pay-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.pay-badges span{
  font-size:.74rem;font-weight:700;padding:.32rem .72rem;border-radius:8px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.22);color:#BAE6FD;
}
.footer-bottom{
  border-top:1px solid rgba(56,189,248,.11);padding-top:1.5rem;
  display:flex;flex-wrap:wrap;gap:.9rem;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:.79rem;color:#7A8798;line-height:1.6}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:.76rem;font-weight:900;
  border:1.5px solid rgba(56,189,248,.45);color:#7DD3FC;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,10,25,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1.5px solid transparent;
  background-image:linear-gradient(rgba(7,10,25,.85),rgba(7,10,25,.85)),
                   linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#7DD3FC;font-size:1.15rem;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  opacity:.78;transition:all .28s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.09);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab i{transition:transform .5s ease}
.fab:hover i{transform:rotate(360deg)}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;
  background:#EF4444;border:2px solid #030712;animation:dotBlink 1.5s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35)}50%{box-shadow:0 0 32px rgba(56,189,248,.72)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .coupon-wall{grid-template-columns:1fr 1fr}
  .coupon-main{grid-column:1 / -1}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:52px 0 62px}
  .grid-2{grid-template-columns:1fr}
  .coupon-wall{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-thumb{height:170px}
  .form-grid{grid-template-columns:1fr}
  .form-shell{padding:1.6rem}
  .feature{grid-template-columns:1fr}
  .tier-row{flex-direction:column;align-items:flex-start;gap:.6rem}
  .fab{bottom:1.4rem;left:.9rem;width:52px;height:52px}
}
@media (max-width:520px){
  .container{padding:0 1rem}
  .grid-4{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .trust-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .brand-text{font-size:.88rem}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.62);
  --panel-strong:rgba(9,18,38,.9);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --primary:#2563EB;
  --accent:#38BDF8;
  --holo:#60A5FA;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(56,189,248,.09)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.28);
  padding:.38rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.lead{color:var(--muted);font-size:1rem;max-width:70ch;line-height:1.7}
.section-head{max-width:760px;margin-bottom:2.5rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
h2.sec-title{
  font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:800;
  letter-spacing:-.02em;margin:0 0 .7rem;color:#F8FAFC;line-height:1.28;
}
p.sec-sub{margin:0;color:var(--muted);font-size:.96rem;line-height:1.72}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;height:70px}
.brand{display:flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:1rem;font-weight:800;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;box-shadow:var(--glow);
}
.brand-text{font-weight:800;font-size:.98rem;line-height:1.15;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.66rem;font-weight:600;color:#7DD3FC;letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  padding:.5rem .8rem;border-radius:10px;font-size:.88rem;font-weight:600;
  color:#B9C7DA;transition:all .22s ease;white-space:nowrap;
}
.nav-links a:hover{color:#E2F3FF;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#E2F3FF;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.nav-cta{display:flex;align-items:center;gap:.55rem;margin-left:.75rem}
.btn-login{
  padding:.55rem 1rem;border-radius:11px;font-size:.85rem;font-weight:700;
  color:#BAE6FD;border:1px solid rgba(56,189,248,.42);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#E2F3FF}
.btn-signup{
  padding:.6rem 1.1rem;border-radius:11px;font-size:.85rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.42);transition:all .22s ease;white-space:nowrap;
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 32px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  color:#BAE6FD;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);padding:.85rem 0 1.1rem}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:.72rem .9rem;border-radius:11px;font-weight:600;
  color:#B9C7DA;font-size:.92rem;
}
.mobile-panel a.active{color:#E2F3FF;background:rgba(56,189,248,.14)}
.mobile-panel a:hover{background:rgba(56,189,248,.08);color:#E2F3FF}
.mobile-panel .m-cta{display:flex;gap:.6rem;margin-top:.7rem}
.mobile-panel .m-cta a{flex:1;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.88rem 1.6rem;border-radius:14px;font-size:.94rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;
  box-shadow:0 0 24px rgba(56,189,248,.42);font-weight:800;
}
.btn-primary:hover{box-shadow:0 0 40px rgba(56,189,248,.72);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(56,189,248,.5)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:rgba(56,189,248,.38);color:#BAE6FD}
.btn-ghost:hover{background:rgba(56,189,248,.17);border-color:rgba(56,189,248,.66);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Hero (cắt chéo) ---------- */
.hero-slice{
  position:relative;overflow:hidden;
  padding:92px 0 104px;
  background:
    linear-gradient(112deg,rgba(37,99,235,.60) 0%,rgba(3,7,18,.93) 47%,#030712 100%),
    url('/assets/images/de53313111d75813.jpg') center/cover no-repeat;
}
.hero-slice::before{
  content:'';position:absolute;top:-170px;right:-140px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(56,189,248,.30),transparent 68%);
  transform:rotate(18deg);pointer-events:none;
}
.hero-slice::after{
  content:'';position:absolute;left:0;bottom:-1px;width:100%;height:70px;
  background:linear-gradient(to bottom right,transparent 49.5%,#030712 50%);
  pointer-events:none;
}
.hero-slice-inner{position:relative;z-index:2;max-width:900px}
.crumb{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:#94A3B8;margin-bottom:1.15rem;flex-wrap:wrap}
.crumb a{color:#7DD3FC;font-weight:600}
.crumb a:hover{text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{color:#334155}
.hero-slice h1{
  font-size:clamp(1.65rem,4vw,2.7rem);
  font-weight:900;letter-spacing:-.022em;line-height:1.22;
  margin:0 0 1.05rem;max-width:22ch;
  background:linear-gradient(120deg,#FFFFFF 20%,#BAE6FD 62%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-slice p.hero-lead{
  color:#C3D2E4;font-size:1rem;line-height:1.74;max-width:62ch;margin:0 0 1.9rem;
}
.hero-kpis{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1.8rem}
.hero-kpis span{
  font-size:.78rem;font-weight:700;padding:.4rem .85rem;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);color:#BAE6FD;
}

/* ---------- Article ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem}
.article-meta{
  display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1.4rem;
  padding-bottom:1.3rem;border-bottom:1px solid rgba(56,189,248,.13);
}
.meta-chip{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.79rem;font-weight:600;color:#9FB3C8;
  padding:.35rem .8rem;border-radius:999px;
  background:rgba(11,23,48,.7);border:1px solid rgba(56,189,248,.18);
}
.meta-chip i{color:#38BDF8}
.article-cover{
  margin:0 0 2rem;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(56,189,248,.2);box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:auto;object-fit:cover;max-height:420px}
.article-body{font-size:1rem;line-height:1.8;color:#CBD5E1;word-break:break-word}
.article-body h2{
  font-size:clamp(1.2rem,2.3vw,1.5rem);color:#F8FAFC;font-weight:800;
  margin:2.4rem 0 .95rem;letter-spacing:-.015em;line-height:1.34;
  padding-left:.9rem;border-left:3px solid var(--accent);
}
.article-body h3{font-size:1.14rem;color:#E2F3FF;margin:1.9rem 0 .7rem;font-weight:700}
.article-body h4{font-size:1rem;color:#BAE6FD;margin:1.5rem 0 .6rem;font-weight:700}
.article-body p{margin:0 0 1.1rem}
.article-body ul,.article-body ol{margin:0 0 1.25rem;padding-left:1.35rem}
.article-body li{margin-bottom:.55rem}
.article-body a{color:#7DD3FC;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#BAE6FD}
.article-body img{border-radius:14px;margin:1.4rem 0;border:1px solid rgba(56,189,248,.2)}
.article-body blockquote{
  margin:1.5rem 0;padding:1rem 1.25rem;border-left:3px solid var(--accent);
  background:rgba(56,189,248,.07);border-radius:0 12px 12px 0;color:#C3D2E4;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9rem;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid rgba(56,189,248,.18);padding:.7rem .85rem;text-align:left}
.article-body th{background:rgba(56,189,248,.1);color:#E2F3FF;font-weight:700}
.article-body code{background:rgba(56,189,248,.12);padding:.15rem .45rem;border-radius:6px;font-size:.9em;color:#BAE6FD}
.empty-state{
  padding:3rem 1.6rem;text-align:center;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
}
.empty-state i{font-size:2.2rem;color:#38BDF8;margin-bottom:1rem;display:block}
.empty-state h2{margin:0 0 .7rem;font-size:1.3rem;color:#F8FAFC}
.empty-state p{margin:0 auto 1.5rem;color:var(--muted);max-width:52ch;font-size:.94rem}

/* ---------- Stat board ---------- */
.stat-board{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(56,189,248,.16);
  border:1px solid rgba(56,189,248,.2);
  border-radius:var(--radius);overflow:hidden;
}
.stat-cell{
  background:linear-gradient(180deg,rgba(11,23,48,.94),rgba(6,13,30,.94));
  padding:1.7rem 1.35rem;
}
.stat-cell i{color:#38BDF8;font-size:1.15rem;margin-bottom:.75rem;display:block}
.stat-num{
  font-size:clamp(1.5rem,3vw,2.05rem);font-weight:900;letter-spacing:-.02em;
  color:#E2F3FF;line-height:1.15;margin-bottom:.3rem;
}
.stat-label{font-size:.82rem;color:#8CA0B6;font-weight:600;line-height:1.5}

/* ---------- Matrix cards ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.15rem}
.matrix-card{
  padding:1.6rem 1.45rem;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow);transition:all .28s ease;
  display:flex;flex-direction:column;gap:.75rem;
}
.matrix-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 30px rgba(56,189,248,.22)}
.matrix-card .mc-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border:1px solid rgba(56,189,248,.3);color:#7DD3FC;font-size:1.05rem;
}
.matrix-card h3{margin:0;font-size:1.06rem;font-weight:800;color:#F1F5F9;line-height:1.35}
.matrix-card p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.7}
.mc-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto;padding-top:.35rem}
.mc-tags span{
  font-size:.72rem;font-weight:700;padding:.28rem .62rem;border-radius:8px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.22);color:#BAE6FD;
}

/* ---------- Compare table ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid rgba(56,189,248,.2);box-shadow:var(--shadow)}
table.compare{width:100%;min-width:640px;border-collapse:collapse;font-size:.9rem}
table.compare thead th{
  background:rgba(37,99,235,.22);color:#E2F3FF;font-weight:800;
  padding:.9rem 1rem;text-align:left;font-size:.82rem;
  letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;
}
table.compare tbody td{padding:.92rem 1rem;border-top:1px solid rgba(56,189,248,.13);color:#C4D2E2;vertical-align:top}
table.compare tbody tr:nth-child(even){background:rgba(11,23,48,.55)}
table.compare tbody td strong{color:#E2F3FF}
.pill{
  display:inline-block;font-size:.74rem;font-weight:700;
  padding:.22rem .62rem;border-radius:999px;
  background:rgba(34,197,94,.13);border:1px solid rgba(34,197,94,.4);color:#86EFAC;
  white-space:nowrap;
}
.pill.warn{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.38);color:#FDE68A}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:2.1rem}
.timeline::before{
  content:'';position:absolute;left:.62rem;top:.5rem;bottom:.5rem;width:2px;
  background:linear-gradient(180deg,#38BDF8,rgba(37,99,235,.15));
}
.tl-item{position:relative;padding:0 0 1.9rem}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:'';position:absolute;left:-1.63rem;top:.42rem;width:14px;height:14px;border-radius:50%;
  background:#030712;border:2px solid #38BDF8;box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item h3{margin:0 0 .35rem;font-size:1.03rem;font-weight:800;color:#F1F5F9}
.tl-item p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.7}

/* ---------- Trust grid ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.trust-item{
  display:flex;gap:.95rem;padding:1.25rem 1.3rem;border-radius:var(--radius-sm);
  background:rgba(11,23,48,.6);border:1px solid rgba(56,189,248,.15);
  transition:border-color .25s ease,background .25s ease;
}
.trust-item:hover{border-color:var(--line-strong);background:rgba(11,23,48,.85)}
.trust-item i{color:#38BDF8;font-size:1.1rem;margin-top:.25rem;flex-shrink:0}
.trust-item h3{margin:0 0 .3rem;font-size:.98rem;font-weight:800;color:#F1F5F9}
.trust-item p{margin:0;font-size:.87rem;color:var(--muted);line-height:1.68}

/* ---------- Quick answers ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.qa-card{
  padding:1.35rem 1.25rem;border-radius:var(--radius-sm);
  background:linear-gradient(180deg,rgba(11,23,48,.85),rgba(6,13,30,.85));
  border:1px solid rgba(56,189,248,.16);
}
.qa-card h3{margin:0 0 .45rem;font-size:.9rem;font-weight:800;color:#BAE6FD;letter-spacing:.01em}
.qa-card p{margin:0;font-size:.86rem;color:var(--muted);line-height:1.68}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:.75rem;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);border:1px solid rgba(56,189,248,.16);
  background:rgba(11,23,48,.6);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.85)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:1.05rem 3rem 1.05rem 1.25rem;
  font-weight:700;font-size:.95rem;color:#E2F3FF;position:relative;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);
  font-size:1.3rem;font-weight:600;color:#38BDF8;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:'−';transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:0 1.25rem 1.2rem;color:var(--muted);font-size:.9rem;line-height:1.75}
.faq-body p{margin:0}

/* ---------- CTA + form ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid rgba(56,189,248,.28);
  background:
    linear-gradient(115deg,rgba(37,99,235,.38) 0%,rgba(6,13,30,.95) 58%,rgba(3,7,18,.98) 100%),
    url('/assets/images/10c3f6a245088ca4.jpg') center/cover no-repeat;
  padding:2.6rem 2.2rem;box-shadow:var(--shadow);
}
.cta-band::after{
  content:'';position:absolute;top:-120px;left:-80px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(56,189,248,.26),transparent 70%);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr 1fr;gap:2.2rem;align-items:start}
.cta-copy h2{margin:0 0 .85rem;font-size:clamp(1.3rem,2.5vw,1.75rem);font-weight:900;color:#F8FAFC;line-height:1.3;letter-spacing:-.02em}
.cta-copy p{margin:0 0 1.3rem;color:#C3D2E4;font-size:.94rem;line-height:1.75}
.cta-list{list-style:none;padding:0;margin:0;display:grid;gap:.65rem}
.cta-list li{display:flex;gap:.6rem;align-items:flex-start;font-size:.89rem;color:#C9D6E6;line-height:1.65}
.cta-list i{color:#38BDF8;margin-top:.25rem;font-size:.85rem}
.code-form{
  background:rgba(4,10,24,.72);border:1px solid rgba(56,189,248,.2);
  border-radius:var(--radius);padding:1.6rem 1.5rem;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.code-form h3{margin:0 0 1.1rem;font-size:1rem;font-weight:800;color:#E2F3FF}
.field{margin-bottom:.9rem}
.field label{display:block;font-size:.79rem;font-weight:700;color:#9FB3C8;margin-bottom:.4rem;letter-spacing:.04em}
.field input,.field select{
  width:100%;padding:.78rem .9rem;border-radius:11px;
  background:rgba(8,18,41,.85);border:1px solid rgba(56,189,248,.22);
  color:#E2F3FF;font-size:.9rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#5C6F85}
.field input:focus,.field select:focus{
  outline:none;border-color:rgba(56,189,248,.75);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-msg{
  display:none;align-items:center;gap:.55rem;margin-top:.9rem;
  font-size:.84rem;font-weight:600;color:#86EFAC;
  background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.35);
  padding:.65rem .85rem;border-radius:11px;
}
.form-note{margin:.85rem 0 0;font-size:.76rem;color:#6B7C91;line-height:1.6}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);
  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 22px rgba(56,189,248,.45);
  color:#7DD3FC;font-size:1.15rem;
  opacity:.78;transition:all .26s ease;
}
.fab:hover{opacity:1;box-shadow:0 0 34px rgba(56,189,248,.75);transform:scale(1.08)}
.fab:active{transform:scale(.95)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712,0 0 10px rgba(244,63,94,.9);
  animation:pulseDot 1.8s ease-in-out infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.75}}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.6) 0%,#030712 100%);
  border-top:1px solid rgba(56,189,248,.14);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.2rem}
.footer-grid h5{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#7DD3FC;
  margin:0 0 1rem;font-weight:800;
}
.footer-grid p{color:var(--muted);font-size:.88rem;line-height:1.7;margin:0}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.footer-grid ul a{color:#B9C7DA;font-size:.88rem;transition:color .2s ease}
.footer-grid ul a:hover{color:#7DD3FC}
.pay-badges{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.pay-badges span{
  font-size:.72rem;font-weight:600;padding:.3rem .65rem;border-radius:8px;
  background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.22);color:#BAE6FD;
}
.age-badge{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.5);color:#FCA5A5;
  font-weight:800;font-size:.82rem;flex-shrink:0;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  margin-top:2.6rem;padding-top:1.4rem;border-top:1px solid rgba(56,189,248,.12);
}
.footer-bottom p{margin:0;color:#64748B;font-size:.8rem}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .stat-board{grid-template-columns:repeat(2,minmax(0,1fr))}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:1.8rem}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero-slice{padding:70px 0 86px}
  .hero-slice h1{max-width:none}
  .trust-grid{grid-template-columns:1fr}
  .cta-band{padding:1.9rem 1.4rem}
}
@media (max-width:640px){
  .nav-cta{margin-left:auto;gap:.4rem}
  .btn-login{padding:.5rem .7rem;font-size:.78rem}
  .btn-signup{padding:.52rem .8rem;font-size:.78rem}
  .nav-toggle{display:none}
  .mobile-panel{display:block;border-top:1px solid rgba(56,189,248,.12)}
  .mobile-panel:not(.open){display:none}
  .nav-wrap{height:auto;flex-wrap:wrap;padding:.85rem 0;gap:.7rem}
  .brand-text{font-size:.9rem}
  .stat-board{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .fab{bottom:5rem;width:52px;height:52px}
}
@media (max-width:520px){
  .container{padding:0 1rem}
  .hero-slice{padding:56px 0 76px}
  .article-body{font-size:.95rem}
  .footer-bottom{flex-direction:column;gap:.5rem}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.62);
  --panel-strong:rgba(9,18,38,.9);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --primary:#2563EB;
  --accent:#38BDF8;
  --holo:#60A5FA;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .7rem;line-height:1.25;letter-spacing:-.015em}
p{margin:0 0 1rem}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(56,189,248,.09)}
section[id]{scroll-margin-top:92px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.28);
  padding:.38rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.lead{color:var(--muted);font-size:1rem;max-width:74ch;line-height:1.7}
.section-head{max-width:780px;margin-bottom:2.5rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.4rem,3vw,2.05rem);font-weight:800}
.sub-head{font-size:1.05rem;font-weight:800;margin:2.6rem 0 1.1rem;color:#E2F3FF}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;height:70px}
.brand{display:flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:1rem;font-weight:800;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;box-shadow:var(--glow);
}
.brand-text{font-weight:800;font-size:.98rem;line-height:1.15;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.66rem;font-weight:600;color:#7DD3FC;letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{padding:.5rem .8rem;border-radius:10px;font-size:.88rem;font-weight:600;color:#B9C7DA;transition:all .22s ease;white-space:nowrap}
.nav-links a:hover{color:#E2F3FF;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#E2F3FF;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.nav-cta{display:flex;align-items:center;gap:.55rem;margin-left:.75rem}
.btn-login{
  padding:.55rem 1rem;border-radius:11px;font-size:.85rem;font-weight:700;
  color:#BAE6FD;border:1px solid rgba(56,189,248,.42);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#E2F3FF}
.btn-signup{
  padding:.6rem 1.1rem;border-radius:11px;font-size:.85rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.42);transition:all .22s ease;white-space:nowrap;
}
.btn-signup:hover{box-shadow:0 0 32px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  color:#BAE6FD;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);padding:.85rem 0 1.1rem}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:.72rem .9rem;border-radius:11px;font-weight:600;color:#B9C7DA;font-size:.92rem}
.mobile-panel a.active{color:#E2F3FF;background:rgba(56,189,248,.14)}
.mobile-panel a:hover{background:rgba(56,189,248,.08);color:#E2F3FF}
.mobile-panel .m-cta{display:flex;gap:.6rem;margin-top:.7rem}
.mobile-panel .m-cta a{flex:1;text-align:center}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.88rem 1.6rem;border-radius:14px;font-size:.94rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;text-align:center;line-height:1.2;
}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;box-shadow:0 0 24px rgba(56,189,248,.42);font-weight:800}
.btn-primary:hover{box-shadow:0 0 40px rgba(56,189,248,.72);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(56,189,248,.5)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:rgba(56,189,248,.38);color:#BAE6FD}
.btn-ghost:hover{background:rgba(56,189,248,.17);border-color:rgba(56,189,248,.66);transform:translateY(-2px)}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #38BDF8;outline-offset:2px}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:68px 0 76px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/de53313111d75813.jpg');
  background-size:cover;background-position:center;opacity:.32;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.92) 55%,#030712 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero h1{
  font-size:clamp(1.75rem,4.4vw,3rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.2;
  max-width:1020px;margin:0 auto 1.1rem;
  background:linear-gradient(120deg,#FFFFFF 15%,#BAE6FD 55%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#B9C7DA;font-size:1.02rem;line-height:1.72;max-width:800px;margin:0 auto 1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center;margin-bottom:2.8rem}
/* ---------- Before / After ---------- */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;max-width:960px;margin:0 auto;text-align:left}
.ba-col{
  position:relative;border-radius:var(--radius);padding:1.5rem 1.5rem 1.35rem;
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.ba-after{
  border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(9,18,38,.86));
  box-shadow:0 0 38px rgba(37,99,235,.28);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
}
.ba-label{
  display:inline-flex;align-items:center;gap:.45rem;font-size:.7rem;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;padding:.3rem .7rem;border-radius:999px;margin-bottom:1rem;
}
.ba-before .ba-label{background:rgba(148,163,184,.13);color:#94A3B8;border:1px solid rgba(148,163,184,.3)}
.ba-after .ba-label{background:rgba(56,189,248,.18);color:#7DD3FC;border:1px solid rgba(56,189,248,.45)}
.ba-col h3{font-size:1.05rem;font-weight:800;margin-bottom:.85rem}
.ba-col li{display:flex;gap:.6rem;align-items:flex-start;color:#B9C7DA;font-size:.9rem;line-height:1.6;padding:.32rem 0}
.ba-col li i{margin-top:.28rem;font-size:.72rem;flex-shrink:0}
.ba-before li i{color:#64748B}
.ba-after li i{color:#38BDF8}
/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem 1.25rem;backdrop-filter:blur(12px);transition:all .25s ease;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.metric .val{font-size:1.65rem;font-weight:900;letter-spacing:-.02em;color:#E2F3FF;line-height:1.2}
.metric .val span{color:#38BDF8}
.metric .lbl{margin:.45rem 0 0;font-size:.84rem;color:var(--muted);line-height:1.55}
.metric i{color:#38BDF8;font-size:.95rem;margin-bottom:.6rem;display:block}
/* ---------- Matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.matrix-card{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.5rem;backdrop-filter:blur(12px);
  transition:all .28s ease;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%);
}
.matrix-card:hover{border-color:var(--line-strong);box-shadow:0 0 34px rgba(37,99,235,.28);transform:translateY(-3px)}
.matrix-card h3{font-size:1.08rem;font-weight:800;display:flex;align-items:center;gap:.55rem}
.matrix-card h3 i{color:#38BDF8}
.matrix-card p{color:var(--muted);font-size:.9rem;margin-bottom:.9rem}
.tag-row{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.tag{
  font-size:.72rem;font-weight:600;padding:.28rem .62rem;border-radius:8px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);color:#BAE6FD;
}
.spec-list{display:grid;gap:.45rem;border-top:1px dashed rgba(56,189,248,.2);padding-top:.9rem}
.spec-list li{display:flex;justify-content:space-between;gap:1rem;font-size:.85rem}
.spec-list li span:first-child{color:#7A8798}
.spec-list li span:last-child{color:#E2F3FF;font-weight:700;text-align:right}
.matrix-note{
  display:grid;grid-template-columns:1.05fr 1fr;gap:1.4rem;align-items:center;
  margin-top:1.4rem;background:var(--panel-strong);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.matrix-note img{height:100%;width:100%;object-fit:cover;min-height:220px}
.matrix-note .note-body{padding:1.6rem 1.6rem 1.4rem}
.matrix-note h3{font-size:1.08rem;font-weight:800;color:#E2F3FF}
.matrix-note p{color:var(--muted);font-size:.9rem;margin:0}
.fit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}
.fit-list li{
  display:flex;gap:.65rem;align-items:flex-start;font-size:.9rem;color:#B9C7DA;
  background:rgba(56,189,248,.05);border:1px solid rgba(56,189,248,.14);
  border-radius:var(--radius-sm);padding:.8rem .95rem;line-height:1.6;
}
.fit-list li i{color:#38BDF8;margin-top:.28rem;font-size:.78rem;flex-shrink:0}
/* ---------- Compare ---------- */
.compare-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.compare-head,.compare-row{display:grid;grid-template-columns:1.15fr 1fr 1fr}
.compare-head{background:rgba(37,99,235,.16);border-bottom:1px solid var(--line)}
.compare-head div{padding:.95rem 1.15rem;font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#BAE6FD}
.compare-row{border-bottom:1px solid rgba(56,189,248,.09)}
.compare-row:last-child{border-bottom:none}
.compare-row>div{padding:1rem 1.15rem;font-size:.9rem;color:#B9C7DA;display:flex;align-items:center}
.cr-label{font-weight:700;color:#E2F3FF}
.ch-col-hot{color:#7DD3FC !important;background:rgba(56,189,248,.07)}
.cr-cell-hot{color:#E2F3FF !important;font-weight:700;background:rgba(56,189,248,.06)}
.cr-cell-hot i{color:#38BDF8;margin-right:.45rem}
/* ---------- Timeline ---------- */
.steps{display:grid;gap:1rem}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:1.15rem;align-items:start;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.25rem 1.4rem;transition:all .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step-num{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:1.1rem;color:#04101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 22px rgba(56,189,248,.4);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
}
.step h3{font-size:1rem;font-weight:800;margin-bottom:.35rem}
.step p{color:var(--muted);font-size:.89rem;margin:0}
/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.news-card{
  display:flex;flex-direction:column;gap:.6rem;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.3rem;transition:all .26s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 30px rgba(37,99,235,.28)}
.news-tag{
  align-self:flex-start;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:.26rem .62rem;border-radius:999px;background:rgba(56,189,248,.14);
  border:1px solid rgba(56,189,248,.34);color:#7DD3FC;
}
.news-card h3{font-size:1rem;font-weight:700;line-height:1.42;margin:0;color:#E2F3FF}
.news-card p{color:var(--muted);font-size:.86rem;margin:0;line-height:1.62}
.news-date{font-size:.78rem;color:#7A8798;margin-top:auto;padding-top:.5rem}
.empty-note{color:var(--muted);font-size:.92rem;border:1px dashed rgba(56,189,248,.3);border-radius:var(--radius-sm);padding:1.1rem 1.2rem}
/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.trust-item{
  background:rgba(56,189,248,.045);border:1px solid rgba(56,189,248,.16);
  border-radius:var(--radius);padding:1.35rem 1.3rem;transition:all .25s ease;
}
.trust-item:hover{border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.trust-item i{font-size:1.05rem;color:#38BDF8;margin-bottom:.7rem;display:block}
.trust-item h4{font-size:.98rem;font-weight:800;margin-bottom:.4rem}
.trust-item p{font-size:.86rem;color:var(--muted);margin:0}
/* ---------- Quick answers ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.qa-item{
  border-left:3px solid #2563EB;background:rgba(9,18,38,.72);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:1.1rem 1.3rem;
}
.qa-item h4{font-size:.95rem;font-weight:800;color:#E2F3FF;margin-bottom:.35rem}
.qa-item p{font-size:.88rem;color:var(--muted);margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:.75rem;max-width:960px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:1.05rem 1.25rem;font-size:.95rem;font-weight:700;color:#E2F3FF;
  transition:background .22s ease;
}
.faq-q:hover{background:rgba(56,189,248,.08)}
.faq-q i{color:#38BDF8;font-size:.82rem;transition:transform .28s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 1.25rem 1.15rem;color:var(--muted);font-size:.89rem;line-height:1.7}
.faq-item.open .faq-a{display:block}
/* ---------- Form / CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.1fr 1fr;gap:2rem;align-items:start;
  background:linear-gradient(150deg,rgba(37,99,235,.24),rgba(9,18,38,.92));
  border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:2.2rem;box-shadow:0 0 48px rgba(37,99,235,.26);
}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:800}
.cta-band p{color:#B9C7DA;font-size:.94rem}
.cta-points{display:grid;gap:.5rem;margin-top:1.2rem}
.cta-points li{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:#B9C7DA}
.cta-points li i{color:#38BDF8;margin-top:.3rem;font-size:.75rem}
.form-card{
  background:rgba(3,7,18,.72);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.5rem;backdrop-filter:blur(14px);
}
.field{margin-bottom:.95rem}
.field label{display:block;font-size:.8rem;font-weight:700;color:#BAE6FD;margin-bottom:.38rem}
.field input,.field select{
  width:100%;padding:.78rem .9rem;border-radius:12px;
  background:rgba(8,18,41,.9);border:1px solid rgba(56,189,248,.24);
  color:#E2F3FF;font-size:.9rem;transition:all .22s ease;
}
.field input::placeholder{color:#64748B}
.field input:focus,.field select:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.14);outline:none}
.form-note{font-size:.76rem;color:#7A8798;margin:.85rem 0 0;line-height:1.6}
.form-msg{display:none;margin-top:.9rem;font-size:.86rem;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.34);border-radius:12px;padding:.75rem .9rem}
.form-msg.show{display:block}
/* ---------- Footer ---------- */
.site-footer{background:linear-gradient(180deg,#050B1A,#020617);border-top:1px solid rgba(56,189,248,.14);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.25fr;gap:2rem}
.site-footer h5{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#7DD3FC;margin:0 0 1rem}
.site-footer p{color:var(--muted);font-size:.87rem;line-height:1.7;margin:0 0 .6rem}
.site-footer ul{display:grid;gap:.55rem}
.site-footer ul a{color:#B9C7DA;font-size:.87rem;transition:color .2s ease}
.site-footer ul a:hover{color:#7DD3FC}
.pay-badges{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.pay-badges span{font-size:.72rem;font-weight:600;padding:.32rem .65rem;border-radius:8px;border:1px solid rgba(56,189,248,.24);background:rgba(56,189,248,.07);color:#BAE6FD}
.age-badge{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:.74rem;font-weight:800;border:1.5px solid rgba(56,189,248,.55);color:#7DD3FC}
.footer-bottom{margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid rgba(56,189,248,.12);display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;align-items:center}
.footer-bottom p{margin:0;font-size:.8rem;color:#7A8798}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:.55rem;min-height:56px;
  padding:.6rem 1.15rem;border-radius:999px;
  font-size:.82rem;font-weight:800;color:#BAE6FD;
  background:
    linear-gradient(rgba(7,10,22,.9),rgba(7,10,22,.9)) padding-box,
    linear-gradient(120deg,#38BDF8,#2563EB,#60A5FA) border-box;
  border:1px solid transparent;
  backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.85;transition:all .25s ease;animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i.fa-headset{font-size:.95rem}
.fab:hover{opacity:1;transform:scale(1.06) translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:dotBlink 1.5s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}50%{box-shadow:0 0 32px rgba(56,189,248,.72)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links a{padding:.45rem .58rem;font-size:.82rem}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-wrap{height:64px}
  .matrix-note{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:1.6rem}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .ba-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .fit-list{grid-template-columns:1fr}
  .hero{padding:52px 0 60px}
  .step{grid-template-columns:1fr;gap:.85rem}
  .step-num{width:46px;height:46px}
}
@media (max-width:640px){
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr}
  .compare-row>div{justify-content:space-between;padding:.75rem 1rem}
  .cr-label{color:#7DD3FC;font-size:.92rem;border-bottom:1px dashed rgba(56,189,248,.2)}
  .cr-cell::before{content:attr(data-label);font-size:.78rem;font-weight:600;color:#7A8798;margin-right:.8rem}
  .metric-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .fab span.fab-text{display:none}
  .fab{padding:.7rem;border-radius:50%;width:56px;justify-content:center}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.62);
  --panel-strong:rgba(9,18,38,.9);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --primary:#2563EB;
  --accent:#38BDF8;
  --holo:#60A5FA;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .6rem;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(56,189,248,.09)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.28);
  padding:.38rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.lead{color:var(--muted);font-size:1rem;max-width:72ch;line-height:1.7}
.section-head{max-width:800px;margin-bottom:2.5rem}
.section-head h2{font-size:clamp(1.4rem,3vw,2.05rem);font-weight:800}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;height:70px}
.brand{display:flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:1rem;font-weight:800;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;box-shadow:var(--glow);
}
.brand-text{font-weight:800;font-size:.98rem;line-height:1.15;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.66rem;font-weight:600;color:#7DD3FC;letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  padding:.5rem .8rem;border-radius:10px;font-size:.88rem;font-weight:600;
  color:#B9C7DA;transition:all .22s ease;white-space:nowrap;
}
.nav-links a:hover{color:#E2F3FF;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#E2F3FF;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.nav-cta{display:flex;align-items:center;gap:.55rem;margin-left:.75rem}
.btn-login{
  padding:.55rem 1rem;border-radius:11px;font-size:.85rem;font-weight:700;
  color:#BAE6FD;border:1px solid rgba(56,189,248,.42);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#E2F3FF}
.btn-signup{
  padding:.6rem 1.1rem;border-radius:11px;font-size:.85rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.42);transition:all .22s ease;white-space:nowrap;
}
.btn-signup:hover{box-shadow:0 0 32px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  color:#BAE6FD;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);padding:.85rem 0 1.1rem}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:.72rem .9rem;border-radius:11px;font-weight:600;
  color:#B9C7DA;font-size:.92rem;
}
.mobile-panel a.active{color:#E2F3FF;background:rgba(56,189,248,.14)}
.mobile-panel a:hover{background:rgba(56,189,248,.08);color:#E2F3FF}
.mobile-panel .m-cta{display:flex;gap:.6rem;margin-top:.7rem}
.mobile-panel .m-cta a{flex:1;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.88rem 1.6rem;border-radius:14px;font-size:.94rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;
  box-shadow:0 0 24px rgba(56,189,248,.42);font-weight:800;
}
.btn-primary:hover{box-shadow:0 0 40px rgba(56,189,248,.72);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(56,189,248,.5)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:rgba(56,189,248,.38);color:#BAE6FD}
.btn-ghost:hover{background:rgba(56,189,248,.17);border-color:rgba(56,189,248,.66);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #7DD3FC;outline-offset:2px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 74px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/de53313111d75813.jpg');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.93) 55%,#030712 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero h1{
  font-size:clamp(1.8rem,4.4vw,3.05rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.18;
  max-width:1000px;margin:0 auto 1.1rem;
  background:linear-gradient(120deg,#FFFFFF 15%,#BAE6FD 55%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#B9C7DA;font-size:1.02rem;line-height:1.72;max-width:830px;margin:0 auto 1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center;margin-bottom:.6rem}
.hero-note{font-size:.82rem;color:#7A8798;margin-bottom:2.6rem}

.hero-split{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;text-align:left}
.compare-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.45rem;backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.compare-panel.after{
  border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(9,18,38,.88));
  box-shadow:0 0 34px rgba(56,189,248,.22);
}
.compare-panel h3{font-size:1.02rem;font-weight:800;display:flex;align-items:center;gap:.55rem}
.panel-badge{
  font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  padding:.24rem .62rem;border-radius:999px;
}
.panel-badge.muted{background:rgba(148,163,184,.14);color:#94A3B8;border:1px solid rgba(148,163,184,.26)}
.panel-badge.live{background:rgba(56,189,248,.16);color:#7DD3FC;border:1px solid rgba(56,189,248,.42)}
.compare-list li{
  display:flex;gap:.65rem;align-items:flex-start;
  padding:.6rem 0;border-bottom:1px dashed rgba(56,189,248,.12);
  font-size:.92rem;color:#C8D5E4;line-height:1.55;
}
.compare-list li:last-child{border-bottom:0}
.compare-list i{margin-top:.28rem;font-size:.82rem;flex-shrink:0}
.compare-panel.before .compare-list i{color:#64748B}
.compare-panel.after .compare-list i{color:#38BDF8}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.metric-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:1.35rem 1.25rem;transition:all .25s ease;
}
.metric-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 0 24px rgba(56,189,248,.18)}
.metric-value{
  font-size:1.65rem;font-weight:900;letter-spacing:-.02em;
  background:linear-gradient(120deg,#BAE6FD,#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{font-size:.84rem;color:var(--muted);margin-top:.2rem;line-height:1.5}

/* ---------- Price cards ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.price-card{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.6rem 1.45rem;display:flex;flex-direction:column;
  transition:all .25s ease;overflow:hidden;
}
.price-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 30px rgba(37,99,235,.25)}
.price-card.featured{border-color:var(--line-strong);background:linear-gradient(165deg,rgba(37,99,235,.2),rgba(9,18,38,.9))}
.price-card.featured::after{
  content:'ĐƯỢC CHỌN NHIỀU';position:absolute;top:0;right:0;
  font-size:.62rem;font-weight:800;letter-spacing:.1em;
  padding:.34rem .8rem;border-bottom-left-radius:12px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);color:#04101f;
}
.price-amount{font-size:2rem;font-weight:900;letter-spacing:-.02em;color:#E2F3FF}
.price-amount span{font-size:.9rem;font-weight:600;color:var(--muted)}
.price-desc{font-size:.88rem;color:var(--muted);margin:.55rem 0 1.1rem;line-height:1.6}
.spec-list li{
  display:flex;justify-content:space-between;gap:1rem;
  font-size:.86rem;padding:.55rem 0;border-bottom:1px solid rgba(56,189,248,.1);
}
.spec-list li:last-child{border-bottom:0}
.spec-list span:first-child{color:var(--muted)}
.spec-list span:last-child{font-weight:700;color:#DCF1FF;text-align:right}
.price-foot{margin-top:1.3rem;display:flex;justify-content:space-between;align-items:center;gap:.6rem}
.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.74rem;font-weight:700;padding:.28rem .68rem;border-radius:999px;
  background:rgba(56,189,248,.12);color:#7DD3FC;border:1px solid rgba(56,189,248,.3);
}
.tag.warm{background:rgba(245,158,11,.12);color:#FCD34D;border-color:rgba(245,158,11,.32)}

/* ---------- Comparison rows ---------- */
.cmp-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel-strong)}
.cmp-head,.cmp-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:1rem;padding:1rem 1.2rem;align-items:center}
.cmp-head{
  background:rgba(56,189,248,.09);font-size:.74rem;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#7DD3FC;
}
.cmp-row{border-top:1px solid rgba(56,189,248,.1);font-size:.92rem}
.cmp-row:nth-child(odd){background:rgba(8,18,41,.4)}
.cmp-row .c-label{font-weight:600;color:#DCE7F5}
.cmp-row .c-before{color:#7D8B9E}
.cmp-row .c-after{color:#BAE6FD;font-weight:700}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:1.4rem;border-left:1px solid rgba(56,189,248,.24)}
.timeline-item{position:relative;padding:0 0 1.9rem 1rem}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:'';position:absolute;left:-1.72rem;top:.45rem;width:12px;height:12px;border-radius:50%;
  background:#38BDF8;box-shadow:0 0 14px rgba(56,189,248,.8);border:2px solid #04101f;
}
.timeline-time{font-size:.76rem;font-weight:800;letter-spacing:.12em;color:#7DD3FC;text-transform:uppercase}
.timeline-item h4{font-size:1rem;font-weight:700;margin:.3rem 0 .3rem}
.timeline-item p{font-size:.9rem;color:var(--muted);margin:0}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem}
.check-item{
  display:flex;gap:.7rem;align-items:flex-start;
  background:rgba(11,23,48,.5);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:1rem 1.05rem;
}
.check-item i{color:#38BDF8;margin-top:.25rem}
.check-item strong{display:block;font-size:.94rem;font-weight:700;margin-bottom:.15rem}
.check-item span{font-size:.86rem;color:var(--muted);line-height:1.55}

/* ---------- Status list ---------- */
.status-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel-strong)}
.status-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr auto;gap:1rem;align-items:center;
  padding:.95rem 1.2rem;border-top:1px solid rgba(56,189,248,.1);font-size:.9rem;
}
.status-row:first-child{border-top:0}
.status-row.head{
  background:rgba(56,189,248,.09);font-size:.72rem;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#7DD3FC;
}
.status-name{font-weight:700;color:#DCE7F5}
.status-val{color:var(--muted)}
.status-pill{
  font-size:.72rem;font-weight:800;padding:.26rem .7rem;border-radius:999px;white-space:nowrap;
}
.status-pill.ok{background:rgba(16,185,129,.14);color:#6EE7B7;border:1px solid rgba(16,185,129,.34)}
.status-pill.warn{background:rgba(245,158,11,.14);color:#FCD34D;border:1px solid rgba(245,158,11,.34)}
.status-pill.wait{background:rgba(148,163,184,.14);color:#A8B4C4;border:1px solid rgba(148,163,184,.3)}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.cat-card{
  display:flex;flex-direction:column;gap:.7rem;
  background:linear-gradient(165deg,rgba(37,99,235,.14),rgba(9,18,38,.86));
  border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.3rem;
  transition:all .25s ease;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 28px rgba(56,189,248,.22)}
.cat-card i{font-size:1.2rem;color:#38BDF8}
.cat-card h3{font-size:1.02rem;font-weight:800;margin:0}
.cat-card p{font-size:.87rem;color:var(--muted);margin:0;line-height:1.58}
.cat-card .cat-link{font-size:.85rem;font-weight:800;color:#7DD3FC;display:inline-flex;align-items:center;gap:.4rem}
.cat-card:hover .cat-link{color:#E2F3FF}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:.75rem;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.78)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:1.05rem 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-weight:700;font-size:.96rem;color:#DCE7F5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  color:#38BDF8;font-size:.8rem;transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{content:'\f068'}
.faq-item .faq-body{padding:0 1.2rem 1.15rem;font-size:.92rem;color:var(--muted);line-height:1.7}

/* ---------- CTA / form ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:calc(var(--radius) + 6px);
  background:linear-gradient(140deg,rgba(37,99,235,.24),rgba(3,7,18,.94) 62%);
  padding:2.4rem 2.1rem;box-shadow:0 0 44px rgba(37,99,235,.24);
}
.cta-band::after{
  content:'';position:absolute;top:-40%;right:-12%;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:2.2rem;align-items:start}
.cta-inner h2{font-size:clamp(1.35rem,2.6vw,1.95rem);font-weight:800}
.cta-list li{display:flex;gap:.6rem;align-items:flex-start;font-size:.92rem;color:#C8D5E4;padding:.42rem 0}
.cta-list i{color:#38BDF8;margin-top:.28rem;font-size:.82rem}
.form-card{
  background:rgba(3,7,18,.72);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.4rem;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.form-row{margin-bottom:.95rem}
.form-row label{display:block;font-size:.82rem;font-weight:600;color:#B9C7DA;margin-bottom:.38rem}
.form-row input,.form-row select{
  width:100%;padding:.72rem .85rem;border-radius:11px;
  background:rgba(8,18,41,.75);border:1px solid rgba(56,189,248,.24);
  color:#F8FAFC;font-size:.9rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input::placeholder{color:#5F6F84}
.form-row input:focus,.form-row select:focus{
  border-color:rgba(56,189,248,.7);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none;
}
.form-two{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.form-note{font-size:.78rem;color:#7A8798;margin-top:.75rem;line-height:1.6}
.channel-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.channel-badges span{
  font-size:.76rem;font-weight:700;padding:.36rem .8rem;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);color:#BAE6FD;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:.55rem;
  height:56px;padding:0 1.05rem 0 .95rem;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  font-size:.85rem;font-weight:800;color:#E2F3FF;
  opacity:.78;transition:all .25s ease;animation:fabPulse 2.6s ease-in-out infinite;
}
.fab i{color:#38BDF8;font-size:1rem;transition:transform .4s ease}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:hover i{transform:rotate(360deg)}
.fab:active{transform:scale(.96) translateY(2px)}
.fab .dot{
  position:absolute;top:.3rem;right:.5rem;width:.6rem;height:.6rem;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35)}50%{box-shadow:0 0 30px rgba(56,189,248,.7)}}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(2,5,14,.98));
  border-top:1px solid rgba(56,189,248,.14);padding:60px 0 26px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:2rem}
.site-footer h5{font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#7DD3FC;margin-bottom:.9rem}
.site-footer p{font-size:.86rem;color:#8FA0B5;line-height:1.68}
.site-footer ul li{margin-bottom:.5rem}
.site-footer ul a{font-size:.87rem;color:#A8B4C4;transition:color .2s ease}
.site-footer ul a:hover{color:#7DD3FC}
.pay-badges{display:flex;flex-wrap:wrap;gap:.42rem;margin-top:1rem}
.pay-badges span{font-size:.72rem;font-weight:700;padding:.3rem .66rem;border-radius:8px;background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.22);color:#9FC6E4}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  font-size:.74rem;font-weight:800;color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.footer-bottom{
  margin-top:2.4rem;padding-top:1.3rem;border-top:1px solid rgba(56,189,248,.12);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
}
.footer-bottom p{font-size:.8rem;color:#6C7C90;margin:0}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero-split{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid,.cat-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:1.6rem}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:48px 0 58px}
  .brand-text{font-size:.88rem}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:.3rem;padding:1rem 1.05rem}
  .cmp-row .c-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:#7DD3FC}
  .status-row.head{display:none}
  .status-row{grid-template-columns:1fr;gap:.35rem;padding:1rem 1.05rem}
  .check-grid{grid-template-columns:1fr}
  .form-two{grid-template-columns:1fr}
  .cta-band{padding:1.8rem 1.3rem}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 1rem}
  .metric-grid,.price-grid,.cat-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.65rem}
  .hero-actions .btn{width:100%}
  .price-amount{font-size:1.7rem}
  .fab{padding:0 .9rem;font-size:.78rem}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.62);
  --panel-strong:rgba(9,18,38,.9);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --primary:#2563EB;
  --accent:#38BDF8;
  --holo:#60A5FA;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.35);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(56,189,248,.09)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.28);
  padding:.38rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.lead{color:var(--muted);font-size:1rem;max-width:70ch;line-height:1.7}
.section-head{max-width:760px;margin-bottom:2.5rem}
.section-head h2{font-size:clamp(1.45rem,3vw,2.05rem);font-weight:800;margin-bottom:.75rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
}
.nav-wrap{display:flex;align-items:center;gap:1rem;height:70px}
.brand{display:flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:1rem;font-weight:800;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;box-shadow:var(--glow);
}
.brand-text{font-weight:800;font-size:.98rem;line-height:1.15;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.66rem;font-weight:600;color:#7DD3FC;letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  padding:.5rem .8rem;border-radius:10px;font-size:.88rem;font-weight:600;
  color:#B9C7DA;transition:all .22s ease;white-space:nowrap;
}
.nav-links a:hover{color:#E2F3FF;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#E2F3FF;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.nav-cta{display:flex;align-items:center;gap:.55rem;margin-left:.75rem}
.btn-login{
  padding:.55rem 1rem;border-radius:11px;font-size:.85rem;font-weight:700;
  color:#BAE6FD;border:1px solid rgba(56,189,248,.42);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#E2F3FF}
.btn-signup{
  padding:.6rem 1.1rem;border-radius:11px;font-size:.85rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.42);transition:all .22s ease;white-space:nowrap;
}
.btn-signup:hover{box-shadow:0 0 32px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  color:#BAE6FD;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);padding:.85rem 0 1.1rem}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:.72rem .9rem;border-radius:11px;font-weight:600;color:#B9C7DA;font-size:.92rem}
.mobile-panel a.active{color:#E2F3FF;background:rgba(56,189,248,.14)}
.mobile-panel a:hover{background:rgba(56,189,248,.08);color:#E2F3FF}
.mobile-panel .m-cta{display:flex;gap:.6rem;margin-top:.7rem}
.mobile-panel .m-cta a{flex:1;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.88rem 1.6rem;border-radius:14px;font-size:.94rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;
  box-shadow:0 0 24px rgba(56,189,248,.42);font-weight:800;
}
.btn-primary:hover{box-shadow:0 0 40px rgba(56,189,248,.72);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(56,189,248,.5)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:rgba(56,189,248,.38);color:#BAE6FD}
.btn-ghost:hover{background:rgba(56,189,248,.17);border-color:rgba(56,189,248,.66);transform:translateY(-2px)}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #38BDF8;outline-offset:2px}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:64px 0 70px}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/fc79d3af7598056c.jpg');
  background-size:cover;background-position:center;
  opacity:.3;
}
.cat-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.93) 58%,#030712 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:2.6rem;align-items:center}
.rank-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.4rem .9rem;border-radius:999px;font-size:.74rem;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;color:#04101f;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.cat-hero h1{
  font-size:clamp(1.75rem,4.1vw,2.85rem);
  font-weight:900;line-height:1.2;margin:1rem 0 1rem;
  background:linear-gradient(120deg,#FFFFFF 12%,#BAE6FD 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{color:#B9C7DA;font-size:1rem;line-height:1.72;max-width:60ch;margin-bottom:1.7rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.6rem}
.hero-note{display:flex;flex-wrap:wrap;gap:1.1rem;font-size:.83rem;color:#8FA2BA}
.hero-note span{display:inline-flex;align-items:center;gap:.4rem}
.hero-note i{color:#38BDF8}

/* Glass coupon panel */
.coupon{
  position:relative;border-radius:22px;padding:1.5rem;
  background:var(--panel-strong);
  border:1px solid rgba(56,189,248,.34);
  box-shadow:var(--shadow),0 0 40px rgba(37,99,235,.24);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.coupon::after{
  content:'';position:absolute;inset:0;border-radius:22px;pointer-events:none;
  background:radial-gradient(circle at 84% 6%,rgba(56,189,248,.22),transparent 60%);
}
.coupon-tag{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;padding:.28rem .7rem;border-radius:999px;
  background:rgba(56,189,248,.16);color:#7DD3FC;border:1px solid rgba(56,189,248,.4);
}
.coupon-value{
  font-size:2.3rem;font-weight:900;letter-spacing:-.02em;margin:.9rem 0 .35rem;
  background:linear-gradient(120deg,#FFFFFF,#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.coupon-rows{margin:1.1rem 0 1.3rem;display:grid;gap:.6rem}
.coupon-row{display:flex;justify-content:space-between;gap:1rem;font-size:.86rem;color:#B9C7DA;padding-bottom:.6rem;border-bottom:1px dashed rgba(56,189,248,.18)}
.coupon-row strong{color:#E2F3FF;font-weight:700}
.coupon-code{
  display:flex;align-items:center;justify-content:space-between;gap:.75rem;
  padding:.7rem .9rem;border-radius:12px;margin-bottom:1rem;
  background:rgba(56,189,248,.08);border:1px dashed rgba(56,189,248,.42);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95rem;color:#7DD3FC;letter-spacing:.08em;
}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.metric{
  padding:1.35rem 1.3rem;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.metric-label{font-size:.78rem;color:var(--muted);font-weight:600;letter-spacing:.02em}
.metric-value{font-size:1.75rem;font-weight:900;margin:.35rem 0 .2rem;color:#E2F3FF}
.metric-value span{font-size:.95rem;font-weight:700;color:#38BDF8;margin-left:.2rem}
.metric-foot{font-size:.76rem;color:#7A8DA6}
.metric-bar{height:6px;border-radius:999px;background:rgba(56,189,248,.14);margin-top:.8rem;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8)}

/* ---------- Matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.matrix-card{
  padding:1.3rem;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(6,12,28,.92));
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:all .28s ease;
}
.matrix-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 26px rgba(56,189,248,.2)}
.matrix-card h3{font-size:1rem;font-weight:800;margin-bottom:.4rem}
.matrix-card p{font-size:.85rem;color:var(--muted);line-height:1.6;min-height:2.7rem}
.matrix-foot{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-top:1rem}
.chip{
  display:inline-flex;align-items:center;gap:.35rem;font-size:.74rem;font-weight:700;
  padding:.25rem .65rem;border-radius:999px;
  background:rgba(56,189,248,.12);color:#7DD3FC;border:1px solid rgba(56,189,248,.3);
}
.chip-gold{background:rgba(250,204,21,.1);color:#FACC15;border-color:rgba(250,204,21,.32)}
.chip-red{background:rgba(244,63,94,.12);color:#FDA4AF;border-color:rgba(244,63,94,.35)}
.chip-green{background:rgba(16,185,129,.12);color:#6EE7B7;border-color:rgba(16,185,129,.35)}

/* ---------- Compare table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
table.compare{width:100%;min-width:720px;border-collapse:collapse}
table.compare th,table.compare td{padding:.95rem 1.1rem;text-align:left;font-size:.88rem;border-bottom:1px solid rgba(56,189,248,.1)}
table.compare th{
  font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:#7DD3FC;
  background:rgba(56,189,248,.07);font-weight:800;
}
table.compare tbody tr{transition:background .2s ease}
table.compare tbody tr:hover{background:rgba(56,189,248,.06)}
table.compare td strong{color:#E2F3FF}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;position:relative}
.step{
  padding:1.4rem 1.3rem;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.step-index{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#04101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 18px rgba(56,189,248,.34);
  margin-bottom:.9rem;
}
.step h3{font-size:.98rem;font-weight:800;margin-bottom:.4rem}
.step p{font-size:.85rem;color:var(--muted);line-height:1.62}

/* ---------- Code cards ---------- */
.code-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.code-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--panel-strong);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:all .28s ease;
}
.code-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 30px rgba(56,189,248,.22)}
.code-card figure{position:relative;margin:0;aspect-ratio:16/9;overflow:hidden}
.code-card figure img{width:100%;height:100%;object-fit:cover;opacity:.82}
.code-card figure::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.88))}
.code-card .status{position:absolute;top:.75rem;left:.75rem;z-index:2}
.code-card .value-badge{
  position:absolute;bottom:.7rem;right:.8rem;z-index:2;
  font-size:1.05rem;font-weight:900;color:#04101f;
  background:linear-gradient(135deg,#38BDF8,#BAE6FD);
  padding:.3rem .75rem;border-radius:10px;box-shadow:0 0 18px rgba(56,189,248,.45);
}
.code-body{padding:1.15rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.code-body h3{font-size:1rem;font-weight:800}
.code-body .meta{font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:.7rem}
.code-body .meta i{color:#38BDF8;margin-right:.28rem}
.code-body .btn{margin-top:auto}
.code-foot{font-size:.76rem;color:#7A8DA6}

/* ---------- Posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.post-card{border-radius:var(--radius);overflow:hidden;background:var(--panel);border:1px solid var(--line);transition:all .28s ease}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#081229}
.post-thumb img{width:100%;height:100%;object-fit:cover;opacity:.85}
.post-body{padding:1.05rem 1.15rem 1.25rem}
.post-meta{display:flex;align-items:center;gap:.6rem;margin-bottom:.55rem;flex-wrap:wrap}
.post-date{font-size:.75rem;color:#7A8DA6}
.post-body h3{font-size:.98rem;font-weight:800;line-height:1.4;margin-bottom:.45rem}
.post-body p{font-size:.84rem;color:var(--muted);line-height:1.62}
.post-more{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;font-weight:700;color:#7DD3FC;margin-top:.75rem}
.post-empty{padding:1.6rem;border-radius:var(--radius);border:1px dashed rgba(56,189,248,.3);color:var(--muted);font-size:.9rem;background:var(--panel)}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.trust-item{
  display:flex;gap:.9rem;padding:1.2rem;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.trust-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);color:#7DD3FC;font-size:1.05rem;
}
.trust-item h3{font-size:.95rem;font-weight:800;margin-bottom:.3rem}
.trust-item p{font-size:.83rem;color:var(--muted);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:.85rem;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--panel);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:1.05rem 1.2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-size:.95rem;font-weight:700;color:#E2F3FF;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:#38BDF8;transition:transform .25s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 1.2rem 1.15rem;font-size:.87rem;color:var(--muted);line-height:1.7}

/* ---------- Lead form ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;
  padding:2.2rem;border-radius:24px;
  background:linear-gradient(150deg,rgba(9,18,38,.95),rgba(3,7,18,.96));
  border:1px solid rgba(56,189,248,.28);
  box-shadow:var(--shadow),0 0 46px rgba(37,99,235,.18);
}
.cta-panel h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:800;margin-bottom:.8rem}
.cta-list{display:grid;gap:.65rem;margin-top:1.2rem}
.cta-list li{display:flex;gap:.6rem;font-size:.87rem;color:#B9C7DA;line-height:1.6}
.cta-list i{color:#38BDF8;margin-top:.28rem}
.form-grid{display:grid;gap:.85rem}
.field{display:grid;gap:.35rem}
.field label{font-size:.8rem;font-weight:700;color:#B9C7DA}
.field input,.field select{
  width:100%;padding:.78rem .9rem;border-radius:12px;
  background:rgba(3,7,18,.7);border:1px solid rgba(56,189,248,.24);
  color:#E2F3FF;font-size:.88rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#64748B}
.field input:focus,.field select:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.14);outline:none}
.field select option{background:#081229;color:#E2F3FF}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.8rem;color:var(--muted);line-height:1.55}
.check input{width:18px;height:18px;margin-top:.15rem;accent-color:#38BDF8}
.form-note{font-size:.76rem;color:#7A8DA6}

/* ---------- FAB ---------- */
.fab-support{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.72rem 1.05rem;border-radius:999px;
  font-size:.82rem;font-weight:800;color:#E2F3FF;
  background:
    linear-gradient(rgba(7,7,13,.82),rgba(7,7,13,.82)) padding-box,
    linear-gradient(120deg,#38BDF8,#2563EB) border-box;
  border:1.5px solid transparent;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.8;transition:all .28s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab-support:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab-support:active{transform:scale(.96)}
.fab-support i{color:#38BDF8;font-size:1rem}
.fab-support .fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);animation:dotBlink 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(56,189,248,.35)}50%{box-shadow:0 0 30px rgba(56,189,248,.65)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid rgba(56,189,248,.14);
  background:linear-gradient(180deg,rgba(3,7,18,.9),rgba(2,5,14,1));
  padding:3.2rem 0 1.6rem;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
.site-footer h5{font-size:.82rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#7DD3FC;margin-bottom:1rem}
.site-footer p{font-size:.85rem;color:var(--muted);line-height:1.7}
.site-footer ul{display:grid;gap:.55rem}
.site-footer ul a{font-size:.85rem;color:#B9C7DA;transition:color .2s ease}
.site-footer ul a:hover{color:#7DD3FC}
.pay-badges{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1rem}
.pay-badges span{
  font-size:.72rem;font-weight:700;padding:.28rem .65rem;border-radius:8px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.24);color:#BAE6FD;
}
.age-badge{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  font-weight:900;font-size:.8rem;color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.footer-bottom{
  margin-top:2.4rem;padding-top:1.3rem;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:.78rem;color:#7A8DA6}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .cat-hero-inner{grid-template-columns:1fr;gap:2rem}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .code-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:1.8rem}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .cat-hero{padding:46px 0 54px}
  .brand-text{font-size:.9rem}
  .brand-text small{font-size:.6rem}
  .metric-grid{grid-template-columns:1fr 1fr}
  .matrix-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .code-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 1rem}
  .nav-wrap{height:64px;gap:.5rem}
  .brand-text small{display:none}
  .btn-login{padding:.5rem .7rem;font-size:.78rem}
  .btn-signup{padding:.55rem .8rem;font-size:.78rem}
  .metric-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .coupon-value{font-size:1.9rem}
  .footer-grid{grid-template-columns:1fr;gap:1.6rem}
  .fab-support span.fab-label{display:none}
  .fab-support{padding:.85rem;border-radius:50%}
}