/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0d1b3a;
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --cyan:#67E8F9;
  --pink:#EC4899;
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(103,232,249,.5);
  --radius:18px;
  --radius-sm:12px;
  --glow:0 0 24px rgba(56,189,248,.35);
  --shadow:0 18px 48px rgba(2,8,23,.6);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(37,99,235,.30), transparent 46%),
    radial-gradient(circle at 90% 14%, rgba(56,189,248,.18), transparent 44%),
    radial-gradient(circle at 50% 102%, rgba(37,99,235,.18), transparent 52%),
    linear-gradient(180deg,#030712 0%,#050c1f 48%,#030712 100%);
}
body::after{
  content:'';
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(96,165,250,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,165,250,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plasma);
  outline-offset:3px;
  border-radius:8px;
}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,7,18,.94);box-shadow:0 12px 34px rgba(2,8,23,.65);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#04121f;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em;color:#F8FAFC;}
.brand-txt small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:#CBD5E1;
  padding:6px 2px;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#F8FAFC;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  font-size:.85rem;font-weight:700;color:#BAE6FD;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(96,165,250,.36);background:rgba(56,189,248,.06);
  transition:all .24s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);color:#E0F2FE;}
.btn-signup{
  font-size:.85rem;font-weight:800;color:#04121f;padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:all .24s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.75);}
.btn-signup:active{transform:translateY(0) scale(.97);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  color:var(--cyan);cursor:pointer;align-items:center;justify-content:center;
  transition:all .24s ease;
}
.nav-toggle:hover{background:rgba(56,189,248,.18);}
.nav-toggle span{font-size:1.05rem;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 10px 32px rgba(37,99,235,.45);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(103,232,249,.8),0 16px 42px rgba(56,189,248,.62);}
.btn-glow:active{transform:translateY(-1px) scale(.98);}
.btn-ghost{
  background:rgba(56,189,248,.07);color:#BAE6FD;border-color:rgba(96,165,250,.36);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);transform:translateY(-3px);color:#E0F2FE;}
.btn-ghost:active{transform:translateY(-1px) scale(.98);}

/* ---------- SECTIONS ---------- */
.sec{padding:78px 0;position:relative;}
.sec-tight{padding:58px 0;}
.sec-alt{background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.15));border-top:1px solid rgba(96,165,250,.09);border-bottom:1px solid rgba(96,165,250,.09);}
.sec-head{max-width:800px;margin-bottom:42px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
}
.h2{font-size:clamp(1.5rem,3.1vw,2.3rem);margin:18px 0 14px;}
.h3{font-size:clamp(1.08rem,2vw,1.32rem);margin:0 0 12px;color:#E2E8F0;}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.7;}
.lead-sm{color:var(--muted);font-size:.94rem;line-height:1.68;}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:60px 0 74px;}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/dfc7f4a69ddbd894.jpg') center/cover no-repeat;
  opacity:.22;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.5) 0%,rgba(3,7,18,.86) 58%,#030712 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.hero h1{
  font-size:clamp(1.65rem,3.6vw,2.75rem);
  margin:18px 0 18px;
  background:linear-gradient(120deg,#FFFFFF 12%,#7DD3FC 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:#CBD5E1;font-size:1.02rem;line-height:1.72;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats > div{
  flex:1 1 130px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.06);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:2px;
}
.hero-stats strong{font-size:1.28rem;font-weight:900;color:var(--cyan);letter-spacing:-.02em;}
.hero-stats span{font-size:.78rem;color:var(--muted);}

.hero-panel{
  padding:28px;border-radius:22px;
  background:linear-gradient(160deg,rgba(15,30,64,.86),rgba(6,14,34,.7));
  border:1px solid rgba(96,165,250,.22);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.panel-title{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:20px;}
.ring-row{display:flex;align-items:center;gap:24px;margin-bottom:24px;}
.ring-wrap{position:relative;width:132px;height:132px;flex-shrink:0;}
.ring{width:132px;height:132px;display:block;}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
}
.ring-center strong{font-size:1.42rem;font-weight:900;color:#E0F2FE;}
.ring-center span{font-size:.62rem;color:var(--muted);text-align:center;line-height:1.3;max-width:82px;}
.ring-note{font-size:.88rem;color:#CBD5E1;line-height:1.62;}
.tier-list{display:flex;flex-direction:column;gap:9px;}
.tier-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:var(--radius-sm);
  background:rgba(10,22,48,.68);border:1px solid rgba(96,165,250,.13);
  transition:border-color .24s ease,transform .24s ease,background .24s ease;
}
.tier-list li:hover{border-color:var(--line-strong);transform:translateX(4px);background:rgba(14,32,66,.85);}
.tier-name{font-size:.82rem;font-weight:600;color:#CBD5E1;}
.tier-val{font-size:.82rem;font-weight:800;color:var(--cyan);font-variant-numeric:tabular-nums;}

/* ---------- GRIDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}

/* ---------- CARDS ---------- */
.card{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,30,64,.84),rgba(6,14,34,.72));
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 46px rgba(37,99,235,.3);}
.card-ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;color:#04121f;
  background:linear-gradient(140deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.42);margin-bottom:18px;
}
.card h3{font-size:1.08rem;margin-bottom:10px;color:#F1F5F9;}
.card p{color:var(--muted);font-size:.92rem;line-height:1.68;}

/* ---------- ENTRY MATRIX ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.matrix-item{
  display:flex;flex-direction:column;gap:12px;padding:22px 20px;border-radius:var(--radius);
  background:rgba(10,22,48,.6);border:1px solid rgba(96,165,250,.15);
  transition:transform .26s ease,border-color .26s ease,background .26s ease,box-shadow .26s ease;
}
.matrix-item:hover{
  transform:translateY(-5px);border-color:var(--line-strong);
  background:rgba(14,32,66,.85);box-shadow:0 14px 36px rgba(37,99,235,.28);
}
.matrix-item i{font-size:1.25rem;color:var(--cyan);}
.matrix-item strong{font-size:.98rem;color:#F1F5F9;}
.matrix-item span{font-size:.82rem;color:var(--muted);line-height:1.6;}

/* ---------- POST CARDS ---------- */
.post-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,30,64,.82),rgba(6,14,34,.72));
  border:1px solid var(--line);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(37,99,235,.3);}
.post-cat{
  align-self:flex-start;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);padding:4px 11px;border-radius:999px;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);
}
.post-card h3{font-size:1rem;color:#F1F5F9;line-height:1.45;}
.post-card p{font-size:.87rem;color:var(--muted);line-height:1.62;}
.post-meta{font-size:.76rem;color:#64748B;margin-top:auto;display:flex;align-items:center;gap:7px;}

/* ---------- TOPIC LIST ---------- */
.topic-list{display:flex;flex-direction:column;gap:0;}
.topic-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;padding:26px 0;
  border-bottom:1px solid rgba(96,165,250,.12);
}
.topic-item:first-child{padding-top:0;}
.topic-item:last-child{border-bottom:none;padding-bottom:0;}
.topic-num{
  font-size:1.5rem;font-weight:900;color:transparent;
  -webkit-text-stroke:1.4px rgba(103,232,249,.65);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.topic-item h3{font-size:1.05rem;margin-bottom:9px;color:#F1F5F9;}
.topic-item p{color:var(--muted);font-size:.92rem;line-height:1.68;}

/* ---------- NEWS SPLIT ---------- */
.news-split{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-row{
  display:flex;gap:16px;padding:16px;border-radius:var(--radius-sm);
  background:rgba(10,22,48,.55);border:1px solid rgba(96,165,250,.12);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.news-row:hover{transform:translateX(5px);border-color:var(--line-strong);background:rgba(14,32,66,.85);}
.news-thumb{
  width:84px;height:84px;border-radius:12px;object-fit:cover;flex-shrink:0;
  border:1px solid rgba(96,165,250,.2);
}
.news-body h3{font-size:.96rem;margin-bottom:7px;color:#E2E8F0;line-height:1.45;}
.news-body p{font-size:.84rem;color:var(--muted);line-height:1.6;}
.side-panel{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,30,64,.85),rgba(6,14,34,.72));
  border:1px solid var(--line);
}
.side-panel h3{font-size:1rem;margin-bottom:16px;color:#F1F5F9;display:flex;align-items:center;gap:9px;}
.side-panel h3 i{color:var(--cyan);}
.side-link{
  display:block;padding:13px 0;border-bottom:1px dashed rgba(96,165,250,.18);
  font-size:.87rem;color:#CBD5E1;line-height:1.55;transition:color .22s ease,padding-left .22s ease;
}
.side-link:last-child{border-bottom:none;}
.side-link:hover{color:var(--cyan);padding-left:6px;}
.empty-note{color:var(--muted);font-size:.9rem;padding:20px;border:1px dashed rgba(96,165,250,.28);border-radius:var(--radius-sm);}

/* ---------- ARTICLE BLOCKS ---------- */
.article-block{padding:30px 0;border-bottom:1px solid rgba(96,165,250,.11);}
.article-block:last-child{border-bottom:none;padding-bottom:0;}
.article-block h3{font-size:clamp(1.02rem,1.8vw,1.24rem);color:#E2E8F0;margin-bottom:14px;line-height:1.42;}
.article-block p{color:var(--muted);font-size:.95rem;line-height:1.72;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.pill{
  font-size:.78rem;font-weight:600;color:#BAE6FD;padding:7px 14px;border-radius:999px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);
}

/* ---------- METRICS ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  padding:26px 22px;border-radius:var(--radius);text-align:left;
  background:linear-gradient(150deg,rgba(37,99,235,.2),rgba(6,14,34,.7));
  border:1px solid rgba(96,165,250,.22);
}
.metric strong{display:block;font-size:clamp(1.6rem,3vw,2.15rem);font-weight:900;color:var(--cyan);letter-spacing:-.03em;font-variant-numeric:tabular-nums;}
.metric span{display:block;font-size:.84rem;color:var(--muted);margin-top:6px;line-height:1.5;}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;padding:28px 24px 24px;border-radius:var(--radius);
  background:rgba(10,22,48,.6);border:1px solid rgba(96,165,250,.15);
  transition:border-color .26s ease,transform .26s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-5px);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:-14px;left:24px;
  font-size:.78rem;font-weight:800;letter-spacing:.1em;color:#04121f;
  padding:5px 13px;border-radius:999px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 16px rgba(56,189,248,.5);
}
.step h3{font-size:1rem;margin:10px 0 9px;color:#F1F5F9;}
.step p{font-size:.89rem;color:var(--muted);line-height:1.66;}

/* ---------- COMPARE ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{padding:26px;border-radius:var(--radius);border:1px solid var(--line);}
.compare-col.good{background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(6,14,34,.75));border-color:rgba(103,232,249,.42);}
.compare-col.plain{background:rgba(10,22,48,.5);}
.compare-col h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.compare-col.good h3 i{color:var(--cyan);}
.compare-col.plain h3 i{color:#64748B;}
.compare-col li{display:flex;gap:10px;font-size:.88rem;color:var(--muted);padding:9px 0;line-height:1.6;}
.compare-col li i{margin-top:4px;font-size:.72rem;}
.compare-col.good li i{color:var(--cyan);}
.compare-col.plain li i{color:#64748B;}

/* ---------- TRUST ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.trust-item{
  display:flex;gap:16px;padding:22px;border-radius:var(--radius);
  background:rgba(10,22,48,.55);border:1px solid rgba(96,165,250,.14);
}
.trust-item i{font-size:1.3rem;color:var(--cyan);margin-top:3px;}
.trust-item h3{font-size:.97rem;margin-bottom:8px;color:#F1F5F9;}
.trust-item p{font-size:.85rem;color:var(--muted);line-height:1.62;}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pay-badge{
  font-size:.76rem;font-weight:700;color:#E0F2FE;padding:8px 15px;border-radius:10px;
  background:rgba(56,189,248,.08);border:1px solid rgba(96,165,250,.3);
}

/* ---------- REVIEWS ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.review{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,30,64,.8),rgba(6,14,34,.7));
  border:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
}
.review-top{display:flex;align-items:center;gap:13px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;
  color:#04121f;background:linear-gradient(140deg,#38BDF8,#2563EB);
}
.review-top strong{display:block;font-size:.92rem;color:#F1F5F9;}
.review-top small{font-size:.75rem;color:#64748B;}
.review p{font-size:.88rem;color:var(--muted);line-height:1.66;}
.stars{color:#FACC15;font-size:.78rem;letter-spacing:2px;}

/* ---------- Q&A ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.qa{
  padding:24px;border-radius:var(--radius);
  background:rgba(10,22,48,.55);border:1px solid rgba(96,165,250,.14);
  transition:border-color .24s ease,background .24s ease;
}
.qa:hover{border-color:var(--line-strong);background:rgba(14,32,66,.78);}
.qa h3{font-size:.97rem;color:#E2E8F0;margin-bottom:10px;display:flex;gap:10px;line-height:1.5;}
.qa h3 span{color:var(--cyan);font-weight:900;flex-shrink:0;}
.qa p{font-size:.87rem;color:var(--muted);line-height:1.68;}

/* ---------- CONTACT ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;
  padding:34px;border-radius:24px;
  background:linear-gradient(150deg,rgba(15,30,64,.88),rgba(6,14,34,.75));
  border:1px solid rgba(96,165,250,.24);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.form-row label{font-size:.82rem;font-weight:600;color:#CBD5E1;}
.form-row input,.form-row textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px solid rgba(96,165,250,.22);
  color:#F8FAFC;transition:border-color .22s ease,box-shadow .22s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#475569;}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--plasma);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:.76rem;color:#64748B;line-height:1.6;margin-top:12px;}
.contact-info li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(96,165,250,.18);}
.contact-info li:last-child{border-bottom:none;}
.contact-info i{color:var(--cyan);margin-top:4px;}
.contact-info strong{display:block;font-size:.9rem;color:#F1F5F9;margin-bottom:4px;}
.contact-info span{font-size:.84rem;color:var(--muted);line-height:1.6;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(6,14,34,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:2px solid #22D3EE;
  color:var(--cyan);font-size:1.3rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;
  transition:transform .25s ease,box-shadow .3s ease,opacity .25s ease,border-color .25s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.85);border-color:#EC4899;}
.fab:active{transform:scale(.94);border-color:#EC4899;}
.fab-dot{
  position:absolute;top:-5px;right:-5px;width:13px;height:13px;border-radius:50%;
  background:#EC4899;box-shadow:0 0 10px #EC4899;animation:blink 1.6s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.28;}}

/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:40px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.2),rgba(3,7,18,.95));
  border-top:1px solid rgba(96,165,250,.14);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{font-size:.95rem;color:#F1F5F9;}
.footer-brand small{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.site-footer p{font-size:.86rem;color:var(--muted);line-height:1.68;}
.footer-col h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#94A3B8;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;font-size:.87rem;color:#94A3B8;padding:6px 0;transition:color .22s ease,padding-left .22s ease;}
.footer-col a:hover{color:var(--cyan);padding-left:5px;}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(96,165,250,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:.79rem;color:#64748B;}
.age-badge{
  font-size:.75rem;font-weight:800;color:#04121f;padding:5px 11px;border-radius:8px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .news-split{grid-template-columns:1fr;}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:2px;
    background:rgba(3,7,18,.98);
    padding:0 20px;
    border-bottom:1px solid rgba(96,165,250,.2);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .38s ease,opacity .26s ease,visibility .38s ease,padding .3s ease;
  }
  .main-nav.open{max-height:360px;opacity:1;visibility:visible;padding:12px 20px 20px;}
  .main-nav .nav-link{width:100%;padding:11px 0;border-bottom:1px dashed rgba(96,165,250,.12);font-size:.92rem;}
  .main-nav .nav-link::after{display:none;}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .reviews{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .qa-grid{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;padding:26px;}
  .sec{padding:58px 0;}
}
@media (max-width:640px){
  body{padding-top:66px;padding-bottom:0;}
  .nav-wrap{height:66px;gap:10px;}
  .brand-txt strong{font-size:.82rem;}
  .brand-txt small{font-size:.6rem;letter-spacing:.1em;}
  .brand-mark{width:36px;height:36px;font-size:.9rem;}
  .btn-login{padding:8px 11px;font-size:.78rem;}
  .btn-signup{padding:9px 13px;font-size:.78rem;}
  .main-nav{top:66px;}
  .hero{padding:42px 0 56px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-stats > div{flex:1 1 100%;}
  .ring-row{flex-direction:column;align-items:flex-start;gap:16px;}
  .metrics{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .topic-item{grid-template-columns:1fr;gap:10px;}
  .topic-num{font-size:1.15rem;}
  .news-row{flex-direction:column;}
  .news-thumb{width:100%;height:150px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec{padding:48px 0;}
  .card{padding:22px;}
  .fab{width:52px;height:52px;bottom:82px;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0d1b3a;
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --cyan:#67E8F9;
  --pink:#EC4899;
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(103,232,249,.5);
  --radius:18px;
  --radius-sm:12px;
  --glow:0 0 24px rgba(56,189,248,.35);
  --shadow:0 18px 48px rgba(2,8,23,.6);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:72px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(37,99,235,.30), transparent 46%),
    radial-gradient(circle at 90% 14%, rgba(56,189,248,.18), transparent 44%),
    radial-gradient(circle at 50% 102%, rgba(37,99,235,.18), transparent 52%),
    linear-gradient(180deg,#030712 0%,#050c1f 48%,#030712 100%);
}
body::after{
  content:'';
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(96,165,250,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,165,250,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plasma);
  outline-offset:3px;
  border-radius:8px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,7,18,.94);box-shadow:0 12px 34px rgba(2,8,23,.65);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#04121f;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em;color:#F8FAFC;}
.brand-txt small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:#CBD5E1;
  padding:6px 2px;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#F8FAFC;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  font-size:.85rem;font-weight:700;color:#BAE6FD;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(96,165,250,.36);background:rgba(56,189,248,.06);
  transition:all .24s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);color:#E0F2FE;}
.btn-signup{
  font-size:.85rem;font-weight:800;color:#04121f;padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:all .24s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.75);}
.btn-signup:active{transform:translateY(0) scale(.97);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  color:var(--cyan);cursor:pointer;align-items:center;justify-content:center;
  transition:all .24s ease;
}
.nav-toggle:hover{background:rgba(56,189,248,.18);}
.nav-toggle span{font-size:1.05rem;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 10px 32px rgba(37,99,235,.45);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(103,232,249,.8),0 16px 42px rgba(56,189,248,.62);}
.btn-glow:active{transform:translateY(-1px) scale(.98);}
.btn-ghost{
  background:rgba(56,189,248,.07);color:#BAE6FD;border-color:rgba(96,165,250,.36);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);transform:translateY(-3px);color:#E0F2FE;}
.btn-ghost:active{transform:translateY(-1px) scale(.98);}

/* ---------- SECTIONS ---------- */
.sec{padding:78px 0;position:relative;}
.sec-tight{padding:64px 0;}
.sec-line{border-top:1px solid rgba(96,165,250,.1);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
}
.sec-head{max-width:660px;margin-bottom:36px;}
.sec-head h2{
  font-size:clamp(1.5rem,3.1vw,2.2rem);font-weight:800;line-height:1.28;
  letter-spacing:-.02em;margin:14px 0 12px;color:#F8FAFC;
}
.sec-head p{margin:0;color:var(--muted);font-size:1rem;line-height:1.7;}

/* ---------- HERO ---------- */
.cat-hero{position:relative;overflow:hidden;padding:62px 0 86px;}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/7f32e84ffc3abd4e.jpg') center/cover no-repeat;
  opacity:.22;
}
.cat-hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.55) 0%,rgba(3,7,18,.88) 60%,#030712 100%);
}
.cat-hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:center;
}
.cat-hero-copy{transform:translateY(-16px);}
.cat-hero-copy h1{
  font-size:clamp(1.85rem,4.1vw,3rem);font-weight:900;line-height:1.2;
  letter-spacing:-.03em;margin:18px 0 16px;color:#F8FAFC;
}
.cat-hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#67E8F9 55%,#EC4899);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-copy p.lead{color:#CBD5E1;font-size:1.02rem;line-height:1.7;margin:0 0 26px;max-width:560px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;}
.kpi-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px;max-width:560px;}
.kpi{
  background:rgba(13,27,58,.6);border:1px solid var(--line);
  border-radius:14px;padding:15px 16px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.kpi strong{display:block;font-size:1.28rem;font-weight:800;color:var(--cyan);line-height:1.2;}
.kpi span{display:block;font-size:.75rem;color:var(--muted);margin-top:5px;line-height:1.45;}
.cat-hero-media{
  position:relative;transform:translateY(26px) rotate(-1.1deg);
  border-radius:24px;overflow:hidden;
  border:1px solid rgba(103,232,249,.28);
  background:rgba(8,18,41,.6);
  box-shadow:var(--shadow),0 0 34px rgba(56,189,248,.16);
}
.cat-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.cat-hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(37,99,235,.20),transparent 56%);
}
.media-tag{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 15px;border-radius:999px;font-size:.78rem;font-weight:700;
  background:rgba(3,7,18,.82);border:1px solid rgba(103,232,249,.4);color:#BAE6FD;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}

/* ---------- METRIC BOARD ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(13,27,58,.78),rgba(8,18,41,.5));
  border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.metric:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);}
.metric i{font-size:1.1rem;color:var(--plasma);}
.metric strong{display:block;font-size:1.75rem;font-weight:900;letter-spacing:-.02em;margin:12px 0 6px;color:#F8FAFC;}
.metric h3{margin:0 0 6px;font-size:.95rem;font-weight:700;color:#E2E8F0;}
.metric p{margin:0;font-size:.85rem;color:var(--muted);line-height:1.6;}

/* ---------- SCENARIO CARDS ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
  padding:26px 24px;border-radius:var(--radius);
  background:rgba(8,18,41,.55);
  border:1px solid var(--line);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.scene-card:hover{
  transform:translateY(-6px);border-color:var(--line-strong);
  background:rgba(13,27,58,.72);box-shadow:var(--glow);
}
.scene-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.85),rgba(56,189,248,.7));
  color:#04121f;font-size:1.05rem;margin-bottom:16px;
}
.scene-card h3{margin:0 0 10px;font-size:1.05rem;font-weight:700;color:#F8FAFC;line-height:1.4;}
.scene-card p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.68;}

/* ---------- TABLE ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,18,41,.5);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:680px;}
th,td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(96,165,250,.12);vertical-align:top;}
th{
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);background:rgba(37,99,235,.14);
}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .22s ease;}
tbody tr:hover{background:rgba(56,189,248,.06);}
td strong{color:#E0F2FE;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:.72rem;font-weight:700;border:1px solid rgba(56,189,248,.35);
  background:rgba(56,189,248,.12);color:#BAE6FD;white-space:nowrap;
}
.badge.pink{border-color:rgba(236,72,153,.4);background:rgba(236,72,153,.12);color:#FBCFE8;}

/* ---------- COMPARE ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
  padding:28px 26px;border-radius:var(--radius);
  background:rgba(8,18,41,.55);border:1px solid var(--line);
}
.compare-col.bad{border-color:rgba(236,72,153,.28);}
.compare-col.good{border-color:rgba(103,232,249,.42);box-shadow:var(--glow);}
.compare-col h3{
  margin:0 0 6px;font-size:1.08rem;font-weight:800;display:flex;align-items:center;gap:10px;
}
.compare-col.bad h3 i{color:#F472B6;}
.compare-col.good h3 i{color:var(--plasma);}
.compare-col > span.sub{display:block;font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.compare-col ul{margin:0;padding:0;list-style:none;display:grid;gap:13px;}
.compare-col li{
  position:relative;padding-left:26px;font-size:.9rem;color:#CBD5E1;line-height:1.65;
}
.compare-col li::before{
  content:'';position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--plasma);box-shadow:0 0 10px rgba(56,189,248,.7);
}
.compare-col.bad li::before{background:#F472B6;box-shadow:0 0 10px rgba(236,72,153,.7);}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:34px;max-width:820px;}
.timeline::before{
  content:'';position:absolute;left:9px;top:8px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--volt),var(--plasma),rgba(56,189,248,0));
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:'';position:absolute;left:-32px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--plasma);box-shadow:0 0 12px rgba(56,189,248,.65);
}
.tl-item h3{margin:0 0 7px;font-size:1.02rem;font-weight:700;color:#F8FAFC;}
.tl-item p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.68;}
.tl-step{
  display:inline-block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  font-weight:700;color:var(--cyan);margin-bottom:6px;
}

/* ---------- NEWS LIST ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,18,41,.55);overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow);}
.news-top{
  height:4px;width:100%;
  background:linear-gradient(90deg,#2563EB,#38BDF8,#EC4899);
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1;}
.news-tag{
  align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#BAE6FD;padding:5px 11px;border-radius:999px;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
}
.news-card h3{margin:0;font-size:1rem;font-weight:700;line-height:1.48;color:#F8FAFC;}
.news-card p{margin:0;font-size:.87rem;color:var(--muted);line-height:1.65;flex:1;}
.news-card time{font-size:.78rem;color:#64748B;}
.news-more{
  display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--cyan);
}
.empty-note{
  padding:26px 24px;border:1px dashed rgba(96,165,250,.3);border-radius:var(--radius);
  color:var(--muted);font-size:.92rem;background:rgba(8,18,41,.4);
}

/* ---------- TRUST ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.trust-item{
  padding:22px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:rgba(8,18,41,.45);
  display:flex;gap:14px;align-items:flex-start;
  transition:border-color .26s ease,background .26s ease;
}
.trust-item:hover{border-color:var(--line-strong);background:rgba(13,27,58,.6);}
.trust-item i{font-size:1.15rem;color:var(--plasma);margin-top:3px;}
.trust-item strong{display:block;font-size:.94rem;font-weight:700;color:#F8FAFC;margin-bottom:4px;}
.trust-item span{font-size:.83rem;color:var(--muted);line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.5);overflow:hidden;
  transition:border-color .26s ease,background .26s ease;
}
.faq-item[open]{border-color:rgba(103,232,249,.42);background:rgba(13,27,58,.62);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  font-size:.98rem;font-weight:700;color:#F8FAFC;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  color:var(--plasma);font-size:.82rem;transition:transform .28s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{
  padding:0 22px 21px;color:var(--muted);font-size:.9rem;line-height:1.72;
}

/* ---------- CTA FORM ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:46px 44px;
  border:1px solid rgba(103,232,249,.34);
  background:
    radial-gradient(circle at 88% 12%, rgba(56,189,248,.20), transparent 52%),
    linear-gradient(140deg, rgba(37,99,235,.24), rgba(8,18,41,.72));
  box-shadow:var(--shadow);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.cta-band h2{
  font-size:clamp(1.4rem,2.8vw,1.95rem);font-weight:800;line-height:1.3;
  letter-spacing:-.02em;margin:14px 0 12px;
}
.cta-band p{margin:0;color:#CBD5E1;font-size:.96rem;line-height:1.7;}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.cta-form input{
  width:100%;padding:14px 16px;border-radius:12px;
  background:rgba(3,7,18,.7);border:1px solid var(--line);
  color:#F8FAFC;font-size:.9rem;transition:border-color .24s ease,box-shadow .24s ease;
}
.cta-form input::placeholder{color:#64748B;}
.cta-form input:focus{border-color:var(--plasma);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none;}
.cta-form button{grid-column:1 / -1;}
.form-note{grid-column:1 / -1;font-size:.78rem;color:var(--muted);line-height:1.55;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-width:56px;min-height:56px;padding:0 20px 0 17px;border-radius:999px;
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(120deg,#38BDF8,#EC4899) border-box;
  border:1.5px solid transparent;
  color:#E0F2FE;font-weight:800;font-size:.8rem;letter-spacing:.02em;white-space:nowrap;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;
  transition:opacity .28s ease,transform .28s ease,box-shadow .28s ease;
  animation:fabBreath 3.6s ease-in-out infinite;
}
.fab i{font-size:1rem;color:#67E8F9;}
.fab:hover{opacity:1;transform:translateY(-4px) scale(1.04);box-shadow:0 0 34px rgba(6,182,212,.75);animation-play-state:paused;}
.fab:hover i{animation:iconFlicker .7s ease;}
.fab:active{transform:scale(.95) translateY(1px);}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#EC4899;box-shadow:0 0 10px #EC4899;
  animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabBreath{0%,100%{transform:translateY(0);}50%{transform:translateY(-4px);}}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
@keyframes iconFlicker{0%,100%{opacity:1;}35%{opacity:.35;}60%{opacity:.9;}}

/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.96));
  padding:58px 0 26px;margin-top:20px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:34px;border-bottom:1px solid rgba(96,165,250,.12);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{display:block;font-size:.94rem;font-weight:800;color:#F8FAFC;}
.footer-brand small{display:block;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.site-footer p{margin:0;font-size:.87rem;color:var(--muted);line-height:1.7;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col h4{
  margin:0 0 6px;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  font-weight:700;color:#E2E8F0;
}
.footer-col a{font-size:.87rem;color:var(--muted);transition:color .22s ease,transform .22s ease;}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:22px;flex-wrap:wrap;
}
.footer-bottom p{font-size:.82rem;color:#64748B;}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;padding:5px 11px;border-radius:999px;
  font-size:.76rem;font-weight:800;color:#BAE6FD;
  border:1px solid rgba(96,165,250,.4);background:rgba(56,189,248,.1);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:calc(100% + 14px);left:-20px;right:-20px;
    flex-direction:column;align-items:flex-start;gap:0;margin-left:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    border-radius:0 0 var(--radius) var(--radius);
    padding:10px 20px 18px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .26s ease,transform .26s ease;
    box-shadow:0 22px 44px rgba(2,8,23,.7);
  }
  .main-nav.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .main-nav .nav-link{width:100%;padding:13px 0;font-size:.94rem;border-bottom:1px solid rgba(96,165,250,.1);}
  .main-nav .nav-link:last-child{border-bottom:none;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:auto;}
  .cat-hero-grid{grid-template-columns:1fr;gap:38px;}
  .cat-hero-copy{transform:none;}
  .cat-hero-media{transform:none;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  body{padding-top:66px;}
  .nav-wrap{height:66px;gap:12px;}
  .brand-txt strong{font-size:.86rem;}
  .btn-login{padding:8px 12px;font-size:.78rem;}
  .btn-signup{padding:9px 13px;font-size:.78rem;}
  .sec{padding:60px 0;}
  .cat-hero{padding:46px 0 66px;}
  .compare{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;}
  .cta-form{grid-template-columns:1fr;}
  .cta-form button{grid-column:1;}
  .form-note{grid-column:1;}
  .fab{padding:0 16px;font-size:.74rem;bottom:88px;}
}
@media (max-width:520px){
  .brand-txt small{display:none;}
  .brand-mark{width:36px;height:36px;border-radius:10px;}
  .btn-login{padding:7px 10px;font-size:.72rem;}
  .btn-signup{padding:8px 11px;font-size:.72rem;}
  .kpi-row{grid-template-columns:1fr;max-width:100%;}
  .metric-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-btns .btn{width:100%;}
  .fab{left:12px;padding:0 14px;font-size:.7rem;min-height:52px;}
  .sec-head h2{font-size:1.42rem;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0d1b3a;
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --cyan:#67E8F9;
  --pink:#EC4899;
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(103,232,249,.5);
  --radius:18px;
  --radius-sm:12px;
  --glow:0 0 24px rgba(56,189,248,.35);
  --shadow:0 18px 48px rgba(2,8,23,.6);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body p{margin:0 0 15px;}
body h1,body h2,body h3,body h4{line-height:1.28;margin:0;}
body::before{
  content:'';
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(37,99,235,.30), transparent 46%),
    radial-gradient(circle at 90% 14%, rgba(56,189,248,.18), transparent 44%),
    radial-gradient(circle at 50% 102%, rgba(37,99,235,.18), transparent 52%),
    linear-gradient(180deg,#030712 0%,#050c1f 48%,#030712 100%);
}
body::after{
  content:'';
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(96,165,250,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,165,250,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plasma);
  outline-offset:3px;
  border-radius:8px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,7,18,.94);box-shadow:0 12px 34px rgba(2,8,23,.65);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#04121f;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em;color:#F8FAFC;}
.brand-txt small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:#CBD5E1;
  padding:6px 2px;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#F8FAFC;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  font-size:.85rem;font-weight:700;color:#BAE6FD;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(96,165,250,.36);background:rgba(56,189,248,.06);
  transition:all .24s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);color:#E0F2FE;}
.btn-signup{
  font-size:.85rem;font-weight:800;color:#04121f;padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:all .24s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.75);}
.btn-signup:active{transform:translateY(0) scale(.97);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  color:var(--cyan);cursor:pointer;align-items:center;justify-content:center;
  transition:all .24s ease;
}
.nav-toggle:hover{background:rgba(56,189,248,.18);}
.nav-toggle span{font-size:1.05rem;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 10px 32px rgba(37,99,235,.45);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(103,232,249,.8),0 16px 42px rgba(56,189,248,.62);}
.btn-glow:active{transform:translateY(-1px) scale(.98);}
.btn-ghost{
  background:rgba(56,189,248,.07);color:#BAE6FD;border-color:rgba(96,165,250,.36);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);transform:translateY(-3px);color:#E0F2FE;}
.btn-ghost:active{transform:translateY(-1px) scale(.98);}
.btn-block{width:100%;}

/* ---------- SHARED ---------- */
.sec{padding:74px 0;position:relative;}
.sec-alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-title{font-size:clamp(1.35rem,2.4vw,1.95rem);font-weight:800;letter-spacing:-.015em;margin:16px 0 12px;}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.7;margin:0;}
.lead-sm{color:var(--muted);font-size:.94rem;line-height:1.68;margin:0;}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:.72rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;padding:6px 13px;border-radius:999px;
  background:rgba(37,99,235,.16);border:1px solid rgba(96,165,250,.32);color:#BFDBFE;
}

/* ---------- ARTICLE HERO ---------- */
.article-hero{position:relative;overflow:hidden;padding:48px 0 66px;}
.article-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/7f32e84ffc3abd4e.jpg') center/cover no-repeat;
  opacity:.2;
}
.article-hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.55) 0%,rgba(3,7,18,.88) 60%,#030712 100%);
}
.article-hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.79rem;color:var(--muted);}
.crumbs a{transition:color .2s ease;}
.crumbs a:hover{color:var(--cyan);}
.crumbs span{opacity:.5;}
.crumbs em{font-style:normal;color:#BAE6FD;}
.article-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;margin-top:24px;}
.article-title{
  font-size:clamp(1.62rem,3.5vw,2.62rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.2;
  margin:18px 0 18px;color:#F8FAFC;
}
.article-hero-txt .lead{font-size:1.02rem;max-width:640px;}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.83rem;color:var(--muted);margin:20px 0 24px;}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--plasma);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.article-cover{
  margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);position:relative;
  background:rgba(8,18,41,.6);
}
.article-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s ease;}
.article-cover:hover img{transform:scale(1.04);}
.article-cover figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  font-size:.75rem;color:#CBD5E1;background:rgba(3,7,18,.72);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}

/* ---------- METRICS ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  position:relative;overflow:hidden;padding:24px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(13,27,58,.9),rgba(8,18,41,.55));
  border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.metric::after{
  content:'';position:absolute;right:-30px;top:-30px;width:96px;height:96px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.22),transparent 70%);
}
.metric:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow);}
.metric b{display:block;font-size:2rem;font-weight:900;color:var(--cyan);letter-spacing:-.03em;line-height:1.1;}
.metric h3{font-size:.93rem;font-weight:700;margin:10px 0 7px;color:#E0F2FE;}
.metric p{font-size:.85rem;color:var(--muted);margin:0;line-height:1.6;}

/* ---------- ARTICLE LAYOUT ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-body{max-width:720px;min-width:0;}
.side-col{display:flex;flex-direction:column;gap:18px;position:sticky;top:92px;}
.side-card{
  padding:22px;border-radius:var(--radius);
  background:rgba(8,18,41,.72);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.side-card h3{display:flex;align-items:center;gap:9px;font-size:.95rem;font-weight:800;margin-bottom:14px;color:#E0F2FE;}
.side-card h3 i{color:var(--plasma);}
.side-card p{font-size:.86rem;color:var(--muted);line-height:1.65;margin:0;}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.side-list a{
  position:relative;display:block;padding-left:15px;font-size:.87rem;color:#CBD5E1;
  transition:color .2s ease,padding-left .2s ease;
}
.side-list a::before{
  content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--plasma);box-shadow:0 0 8px rgba(56,189,248,.7);
}
.side-list a:hover{color:var(--cyan);padding-left:20px;}
.pay-chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:.76rem;font-weight:700;padding:7px 12px;border-radius:999px;
  background:rgba(37,99,235,.16);border:1px solid rgba(96,165,250,.3);color:#BFDBFE;
}
.side-mini-cta{display:inline-flex;margin-top:12px;font-size:.84rem;font-weight:800;color:var(--cyan);}
.side-mini-cta:hover{color:#E0F2FE;}

/* ---------- CMS CONTENT ---------- */
.cms-content{font-size:1rem;color:#CBD5E1;}
.cms-content h2{
  font-size:1.48rem;font-weight:800;color:#F8FAFC;
  margin:38px 0 14px;padding-left:14px;border-left:3px solid var(--plasma);
}
.cms-content h3{font-size:1.14rem;font-weight:700;color:#BFDBFE;margin:28px 0 10px;}
.cms-content h4{font-size:1rem;font-weight:700;color:#E0F2FE;margin:22px 0 8px;}
.cms-content p{margin:0 0 16px;line-height:1.75;}
.cms-content ul,.cms-content ol{margin:0 0 18px;padding-left:22px;}
.cms-content ul{list-style:disc;}
.cms-content ol{list-style:decimal;}
.cms-content li{margin-bottom:9px;line-height:1.7;}
.cms-content strong{color:#F8FAFC;}
.cms-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.cms-content a:hover{color:#E0F2FE;}
.cms-content img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:20px 0;}
.cms-content blockquote{
  margin:20px 0;padding:16px 20px;border-left:3px solid var(--plasma);
  background:rgba(56,189,248,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#E0F2FE;
}
.cms-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.9rem;}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.cms-content th{background:rgba(56,189,248,.1);color:#E0F2FE;font-weight:700;}
.not-found{
  padding:34px;border-radius:var(--radius);border:1px dashed var(--line-strong);
  background:rgba(8,18,41,.6);text-align:left;
}
.not-found h2{font-size:1.15rem;font-weight:800;color:#F8FAFC;margin-bottom:10px;}
.not-found p{color:var(--muted);margin:0 0 16px;}
.not-found a{color:var(--cyan);font-weight:700;text-decoration:underline;text-underline-offset:3px;}

/* ---------- MATRIX ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.matrix-item{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(13,27,58,.78),rgba(3,7,18,.45));
  border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.matrix-item:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 16px 40px rgba(2,8,23,.7);}
.matrix-item .num{font-size:.74rem;font-weight:800;letter-spacing:.2em;color:var(--plasma);text-transform:uppercase;}
.matrix-item h3{font-size:1.08rem;font-weight:800;margin:11px 0 10px;color:#F8FAFC;}
.matrix-item > p{font-size:.9rem;color:var(--muted);line-height:1.68;}
.matrix-item ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.matrix-item li{display:flex;gap:10px;font-size:.86rem;color:#CBD5E1;line-height:1.6;}
.matrix-item li i{color:var(--plasma);font-size:.7rem;margin-top:6px;flex-shrink:0;}

/* ---------- COMPARE ---------- */
.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(8,18,41,.5);}
.compare-row{display:grid;grid-template-columns:1.25fr 1fr 1fr;}
.compare-row > div{padding:17px 20px;font-size:.9rem;border-bottom:1px solid var(--line);color:#CBD5E1;}
.compare-row:last-child > div{border-bottom:none;}
.compare-head > div{
  background:rgba(37,99,235,.18);color:#E0F2FE;font-weight:800;
  font-size:.79rem;letter-spacing:.08em;text-transform:uppercase;
}
.compare-row .win{color:var(--cyan);font-weight:700;background:rgba(56,189,248,.07);}
.cell-label{display:none;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--plasma);margin-bottom:5px;}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;display:grid;gap:22px;padding-left:28px;max-width:860px;}
.timeline::before{
  content:'';position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--volt),rgba(56,189,248,.08));
}
.step{position:relative;}
.step::before{
  content:'';position:absolute;left:-28px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--plasma);box-shadow:0 0 14px rgba(56,189,248,.6);
}
.step span{font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);}
.step h3{font-size:1.02rem;font-weight:800;margin:7px 0 7px;color:#F8FAFC;}
.step p{font-size:.89rem;color:var(--muted);margin:0;line-height:1.68;}

/* ---------- ASSURANCE ---------- */
.assure{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.assure-item{
  display:flex;gap:14px;padding:20px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.assure-item:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.assure-item i{font-size:1.05rem;color:var(--plasma);margin-top:3px;flex-shrink:0;}
.assure-item h3{font-size:.94rem;font-weight:700;margin-bottom:5px;color:#E0F2FE;}
.assure-item p{font-size:.84rem;color:var(--muted);margin:0;line-height:1.62;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.6);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);}
.faq-q{
  list-style:none;cursor:pointer;padding:17px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:.95rem;font-weight:700;color:#E0F2FE;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{content:'\002B';color:var(--plasma);font-weight:800;flex-shrink:0;}
.faq-item[open] .faq-q::after{content:'\2212';}
.faq-a{padding:0 20px 18px;font-size:.89rem;color:var(--muted);line-height:1.72;}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:38px;
  padding:42px;border-radius:calc(var(--radius) + 6px);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(circle at 12% 0%,rgba(37,99,235,.42),transparent 58%),
    linear-gradient(150deg,rgba(13,27,58,.96),rgba(3,7,18,.9));
  box-shadow:0 24px 60px rgba(2,8,23,.72);
}
.cta-panel h2{font-size:clamp(1.3rem,2.3vw,1.8rem);font-weight:800;margin:16px 0 12px;color:#F8FAFC;}
.cta-list{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:11px;}
.cta-list li{display:flex;gap:11px;font-size:.89rem;color:#CBD5E1;line-height:1.6;}
.cta-list i{color:var(--plasma);font-size:.72rem;margin-top:6px;flex-shrink:0;}
.cta-form{display:flex;flex-direction:column;gap:15px;align-content:start;}
.field label{display:block;font-size:.79rem;font-weight:700;color:#BFDBFE;margin-bottom:7px;letter-spacing:.03em;}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px solid var(--line);color:var(--txt);
  font-size:.92rem;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder{color:#64748B;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);background:rgba(3,7,18,.9);
}
.form-note{font-size:.77rem;color:var(--muted);line-height:1.6;margin:0;}

/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:20px;padding:60px 0 26px;
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.96));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{display:block;font-size:.94rem;font-weight:800;color:#F8FAFC;}
.footer-brand small{display:block;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.site-footer p{font-size:.86rem;color:var(--muted);line-height:1.7;margin:0;}
.footer-col h4{font-size:.83rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#E0F2FE;margin-bottom:15px;}
.footer-col a{display:block;font-size:.87rem;color:var(--muted);padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.age-badge{
  font-size:.74rem;font-weight:800;letter-spacing:.08em;color:#FCA5A5;
  border:1px solid rgba(248,113,113,.45);background:rgba(248,113,113,.1);
  padding:5px 12px;border-radius:999px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:60px;height:60px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;color:var(--cyan);
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(140deg,#38BDF8,#EC4899) border-box;
  border:2px solid transparent;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 0 24px rgba(56,189,248,.45);
  opacity:.82;transition:transform .28s ease,box-shadow .28s ease,opacity .28s ease;
  animation:fabFloat 4.5s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 38px rgba(56,189,248,.8);animation-play-state:paused;}
.fab:active{transform:scale(.94);}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 12px var(--pink);animation:dotPulse 1.7s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.32;}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:16px 20px 22px;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:11px 4px;font-size:.94rem;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:auto;gap:8px;}
  .article-hero-grid{grid-template-columns:1fr;gap:32px;}
  .article-cover{max-width:600px;}
  .article-layout{grid-template-columns:1fr;gap:34px;}
  .side-col{position:static;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .assure{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .sec{padding:60px 0;}
  .matrix{grid-template-columns:1fr;}
  .compare-row > div{padding:14px 15px;font-size:.86rem;}
  .assure{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .fab{width:56px;height:56px;bottom:88px;}
}
@media (max-width:520px){
  body{padding-top:68px;}
  .nav-wrap{height:68px;gap:10px;}
  .main-nav{top:68px;}
  .brand-txt small{display:none;}
  .brand-txt strong{font-size:.85rem;}
  .brand-mark{width:36px;height:36px;font-size:.9rem;}
  .btn-login{padding:8px 11px;font-size:.76rem;}
  .btn-signup{padding:9px 12px;font-size:.76rem;}
  .article-hero{padding:34px 0 50px;}
  .article-meta{gap:12px;font-size:.78rem;}
  .metrics{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row > div{border-bottom:1px solid var(--line);}
  .cell-label{display:block;}
  .compare-head{display:none;}
  .cta-panel{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .fab{left:12px;bottom:80px;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0d1b3a;
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --cyan:#67E8F9;
  --pink:#EC4899;
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(103,232,249,.5);
  --radius:18px;
  --radius-sm:12px;
  --glow:0 0 24px rgba(56,189,248,.35);
  --shadow:0 18px 48px rgba(2,8,23,.6);
}
*,*::before,*::after{box-sizing:border-box;}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:72px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(37,99,235,.30), transparent 46%),
    radial-gradient(circle at 90% 14%, rgba(56,189,248,.18), transparent 44%),
    radial-gradient(circle at 50% 102%, rgba(37,99,235,.18), transparent 52%),
    linear-gradient(180deg,#030712 0%,#050c1f 48%,#030712 100%);
}
body::after{
  content:'';
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(96,165,250,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,165,250,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plasma);outline-offset:3px;border-radius:8px;
}
section[id],div[id]{scroll-margin-top:92px;}

/* ---------- CONTAINER ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,7,18,.94);box-shadow:0 12px 34px rgba(2,8,23,.65);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#04121f;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em;color:#F8FAFC;}
.brand-txt small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:#CBD5E1;
  padding:6px 2px;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#F8FAFC;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  font-size:.85rem;font-weight:700;color:#BAE6FD;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(96,165,250,.36);background:rgba(56,189,248,.06);
  transition:all .24s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);color:#E0F2FE;}
.btn-signup{
  font-size:.85rem;font-weight:800;color:#04121f;padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:all .24s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.75);}
.btn-signup:active{transform:translateY(0) scale(.97);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  color:var(--cyan);cursor:pointer;align-items:center;justify-content:center;
  transition:all .24s ease;
}
.nav-toggle:hover{background:rgba(56,189,248,.18);}
.nav-toggle span{font-size:1.05rem;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 10px 32px rgba(37,99,235,.45);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(103,232,249,.8),0 16px 42px rgba(56,189,248,.62);}
.btn-glow:active{transform:translateY(-1px) scale(.98);}
.btn-ghost{
  background:rgba(56,189,248,.07);color:#BAE6FD;border-color:rgba(96,165,250,.36);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);transform:translateY(-3px);color:#E0F2FE;}
.btn-ghost:active{transform:translateY(-1px) scale(.98);}
.btn-block{width:100%;}

/* ---------- COMMON ---------- */
.sec{padding:78px 0;position:relative;}
.sec-tight{padding:56px 0;}
.sec-alt{background:linear-gradient(180deg,rgba(8,18,41,.0),rgba(8,18,41,.66),rgba(8,18,41,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:800;line-height:1.28;margin:16px 0 14px;letter-spacing:-.02em;
}
.sec-head h2 span{
  background:linear-gradient(100deg,#67E8F9,#60A5FA 52%,#2563EB);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:1rem;line-height:1.7;}
.lead-sm{color:var(--muted);font-size:.92rem;line-height:1.68;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0;}
.glass{
  background:linear-gradient(160deg,rgba(13,27,58,.72),rgba(3,7,18,.62));
  border:1px solid var(--line);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.glass::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg,rgba(103,232,249,.10),transparent 42%);
}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 70px;}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/7f32e84ffc3abd4e.jpg') center/cover no-repeat;
  opacity:.20;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.55) 0%,rgba(3,7,18,.88) 58%,#030712 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-stack{display:grid;grid-template-columns:1.16fr .84fr;gap:26px;align-items:start;}
.hero-main{padding:38px 34px 34px;}
.hero-main h1{
  font-size:clamp(1.78rem,3.5vw,2.85rem);
  font-weight:900;line-height:1.2;letter-spacing:-.025em;
  margin:18px 0 18px;
}
.hero-main h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#67E8F9,#38BDF8 48%,#2563EB);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 0;}
.hero-points{display:grid;gap:10px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line);}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:.93rem;color:#CBD5E1;line-height:1.6;}
.hero-points i{color:var(--cyan);margin-top:5px;font-size:.78rem;}
.hero-side{display:grid;gap:22px;}
.hero-side > *:nth-child(2){margin-left:34px;}
.hero-card{padding:22px;}
.hero-card .thumb{
  border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);margin-bottom:16px;
  background:#050c1f;
}
.hero-card .thumb img{width:100%;height:170px;object-fit:cover;}
.hero-card h3{font-size:1rem;font-weight:800;margin-bottom:8px;line-height:1.4;}
.hero-card p{font-size:.88rem;color:var(--muted);line-height:1.62;}
.hero-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px;}
.hero-mini div{
  background:rgba(37,99,235,.14);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 13px;
}
.hero-mini strong{display:block;font-size:1.18rem;font-weight:900;color:#BAE6FD;line-height:1.2;}
.hero-mini span{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;}

/* ---------- METRICS ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(13,27,58,.66),rgba(3,7,18,.5));
  border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.metric:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.22);}
.metric .num{
  font-size:2.05rem;font-weight:900;line-height:1.05;letter-spacing:-.03em;
  background:linear-gradient(100deg,#67E8F9,#38BDF8 60%,#2563EB);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .lbl{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-top:10px;}
.metric p{font-size:.85rem;color:var(--muted);margin-top:9px;line-height:1.6;}

/* ---------- MATRIX CARDS ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{
  padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(13,27,58,.7),rgba(3,7,18,.55));
  border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.matrix-card:hover{transform:translateY(-6px);border-color:rgba(103,232,249,.42);box-shadow:0 0 30px rgba(56,189,248,.2);}
.matrix-card .ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.85),rgba(56,189,248,.7));
  color:#04121f;font-size:1.05rem;margin-bottom:18px;
  box-shadow:0 0 18px rgba(56,189,248,.35);
}
.matrix-card h3{font-size:1.05rem;font-weight:800;margin-bottom:10px;line-height:1.4;}
.matrix-card p{font-size:.89rem;color:var(--muted);line-height:1.66;}
.tagline{
  display:inline-block;margin-top:16px;font-size:.72rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:#BAE6FD;background:rgba(56,189,248,.1);
  border:1px solid rgba(96,165,250,.3);border-radius:999px;padding:5px 12px;
}

/* ---------- COMPARE ---------- */
.compare{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(8,18,41,.5);
}
.compare table{width:100%;border-collapse:collapse;font-size:.92rem;}
.compare thead th{
  background:rgba(37,99,235,.2);
  padding:16px 18px;text-align:left;font-weight:800;font-size:.8rem;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  border-bottom:1px solid var(--line);
}
.compare thead th:nth-child(3){color:#F9A8D4;}
.compare tbody td{
  padding:15px 18px;border-bottom:1px solid rgba(96,165,250,.09);
  color:#CBD5E1;line-height:1.6;vertical-align:top;
}
.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody tr:hover td{background:rgba(56,189,248,.05);}
.compare tbody td:first-child{color:#F8FAFC;font-weight:700;}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:34px;display:grid;gap:26px;}
.timeline::before{
  content:'';position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(103,232,249,.7),rgba(37,99,235,.15));
}
.tl-item{position:relative;}
.tl-item::before{
  content:'';position:absolute;left:-33px;top:6px;width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle,#67E8F9 0%,#2563EB 62%,#081229 100%);
  border:2px solid rgba(103,232,249,.55);
  box-shadow:0 0 16px rgba(56,189,248,.6);
}
.tl-item h3{font-size:1.02rem;font-weight:800;margin-bottom:8px;}
.tl-item .stage{
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);display:block;margin-bottom:6px;
}
.tl-item p{font-size:.9rem;color:var(--muted);line-height:1.66;}

/* ---------- CHANNELS ---------- */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.chan-card{
  display:block;padding:26px 24px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(13,27,58,.72),rgba(3,7,18,.55));
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.chan-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 0 32px rgba(56,189,248,.24);}
.chan-card i{font-size:1.35rem;color:var(--cyan);margin-bottom:16px;display:block;}
.chan-card h3{font-size:1.05rem;font-weight:800;margin-bottom:9px;}
.chan-card p{font-size:.88rem;color:var(--muted);line-height:1.64;}
.chan-card .more{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:.82rem;font-weight:800;color:#BAE6FD;letter-spacing:.04em;
}
.chan-card.current{border-color:var(--line-strong);box-shadow:0 0 30px rgba(56,189,248,.28);}
.chan-card.current .more{color:var(--cyan);}

/* ---------- POST LIST ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{
  display:flex;flex-direction:column;gap:11px;
  padding:24px 22px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(13,27,58,.7),rgba(3,7,18,.55));
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:rgba(103,232,249,.45);box-shadow:0 0 28px rgba(56,189,248,.22);}
.post-card .post-tag{
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(96,165,250,.28);
  border-radius:999px;padding:4px 11px;align-self:flex-start;
}
.post-card h3{font-size:1rem;font-weight:800;line-height:1.45;}
.post-card p{font-size:.87rem;color:var(--muted);line-height:1.62;flex:1;}
.post-card time{font-size:.76rem;color:#64748B;letter-spacing:.05em;}
.post-empty{padding:32px 26px;border:1px dashed rgba(96,165,250,.3);border-radius:var(--radius);color:var(--muted);font-size:.92rem;}

/* ---------- SAFETY ---------- */
.safety-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.safety-list{display:grid;gap:14px;}
.safety-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:17px 19px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  transition:border-color .24s ease,background .24s ease;
}
.safety-list li:hover{border-color:rgba(103,232,249,.4);background:rgba(13,27,58,.7);}
.safety-list i{color:var(--cyan);margin-top:3px;}
.safety-list strong{display:block;font-size:.94rem;font-weight:800;margin-bottom:4px;}
.safety-list span{font-size:.86rem;color:var(--muted);line-height:1.6;}
.pay-box{padding:28px 26px;}
.pay-box h3{font-size:1.05rem;font-weight:800;margin-bottom:16px;}
.pay-tags{display:flex;flex-wrap:wrap;gap:10px;}
.pay-tags span{
  font-size:.8rem;font-weight:700;color:#BAE6FD;padding:8px 15px;border-radius:999px;
  background:rgba(37,99,235,.16);border:1px solid rgba(96,165,250,.3);
}
.pay-note{margin-top:18px;font-size:.86rem;color:var(--muted);line-height:1.66;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.6);overflow:hidden;
  transition:border-color .24s ease;
}
.faq-item[open]{border-color:rgba(103,232,249,.42);}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:.96rem;
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:.75rem;color:var(--cyan);transition:transform .3s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item p{padding:0 22px 20px;font-size:.89rem;color:var(--muted);line-height:1.68;}

/* ---------- CTA FORM ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(13,27,58,.9),rgba(3,7,18,.85));
  padding:46px 42px;
}
.cta-band::before{
  content:'';position:absolute;top:-90px;right:-70px;width:320px;height:320px;
  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 .92fr;gap:38px;align-items:center;}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,1.95rem);font-weight:800;line-height:1.3;margin:14px 0 14px;letter-spacing:-.02em;}
.form-grid{display:grid;gap:14px;}
.field label{display:block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#BAE6FD;font-weight:700;margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.7);border:1px solid var(--line);color:#F8FAFC;
  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,.16);outline:none;
}
.form-note{font-size:.78rem;color:#64748B;line-height:1.6;}

/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,.98));
  padding:62px 0 26px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{display:block;font-size:.95rem;font-weight:800;color:#F8FAFC;}
.footer-brand small{display:block;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.site-footer p{color:var(--muted);font-size:.9rem;line-height:1.7;}
.footer-col h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#BAE6FD;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;color:var(--muted);font-size:.9rem;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
}
.footer-bottom p{font-size:.82rem;color:#64748B;}
.age-badge{
  border:1px solid var(--line-strong);color:var(--cyan);border-radius:999px;
  padding:5px 14px;font-size:.76rem;font-weight:800;letter-spacing:.06em;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  color:#04121f;font-size:1.15rem;
  background:linear-gradient(140deg,#2563EB,#67E8F9);
  border:1px solid rgba(103,232,249,.6);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.75;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(56,189,248,.8);}
.fab:active{transform:scale(.95);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#EC4899;border:2px solid #030712;
  animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4);}
  50%{box-shadow:0 0 30px rgba(103,232,249,.75);}
}
@keyframes dotPulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.55;transform:scale(.82);}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  body{padding-top:70px;}
  .nav-wrap{height:70px;gap:12px;}
  .main-nav{
    position:absolute;top:70px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    padding:0 22px;max-height:0;overflow:hidden;
    transition:max-height .36s ease,padding .3s ease;
  }
  .main-nav.open{max-height:360px;padding:10px 22px 20px;}
  .nav-link{width:100%;padding:13px 0;border-bottom:1px solid rgba(96,165,250,.1);}
  .nav-link::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .btn-login{display:none;}
  .hero-stack{grid-template-columns:1fr;}
  .hero-side > *:nth-child(2){margin-left:0;}
  .hero-side{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .chan-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .safety-grid{grid-template-columns:1fr;gap:24px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:680px){
  body{padding-top:66px;font-size:15.5px;}
  .wrap{padding:0 16px;}
  .nav-wrap{height:66px;}
  .main-nav{top:66px;}
  .brand-txt small{display:none;}
  .brand-txt strong{font-size:.86rem;}
  .btn-signup{padding:9px 14px;font-size:.78rem;}
  .sec{padding:56px 0;}
  .sec-tight{padding:44px 0;}
  .hero{padding:34px 0 52px;}
  .hero-main{padding:26px 20px 24px;}
  .hero-side{grid-template-columns:1fr;}
  .hero-card{padding:18px;}
  .hero-card .thumb img{height:150px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .metric-grid{grid-template-columns:1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .compare table{font-size:.84rem;}
  .compare thead th,.compare tbody td{padding:12px 12px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-27px;width:16px;height:16px;}
  .cta-band{padding:30px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab{left:14px;bottom:84px;width:52px;height:52px;}
}
@media (max-width:400px){
  .hero-main h1{font-size:1.55rem;}
  .metric .num{font-size:1.75rem;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0d1b3a;
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --cyan:#67E8F9;
  --pink:#EC4899;
  --txt:#F8FAFC;
  --muted:#94A3B8;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(103,232,249,.5);
  --radius:18px;
  --radius-sm:12px;
  --glow:0 0 24px rgba(56,189,248,.35);
  --shadow:0 18px 48px rgba(2,8,23,.6);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(37,99,235,.30), transparent 46%),
    radial-gradient(circle at 90% 14%, rgba(56,189,248,.18), transparent 44%),
    radial-gradient(circle at 50% 102%, rgba(37,99,235,.18), transparent 52%),
    linear-gradient(180deg,#030712 0%,#050c1f 48%,#030712 100%);
}
body::after{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(96,165,250,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,165,250,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plasma);outline-offset:3px;border-radius:8px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(3,7,18,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,7,18,.94);box-shadow:0 12px 34px rgba(2,8,23,.65);}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#04121f;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em;color:#F8FAFC;}
.brand-txt small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:#CBD5E1;
  padding:6px 2px;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#F8FAFC;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--cyan);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-login{
  font-size:.85rem;font-weight:700;color:#BAE6FD;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(96,165,250,.36);background:rgba(56,189,248,.06);
  transition:all .24s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);color:#E0F2FE;}
.btn-signup{
  font-size:.85rem;font-weight:800;color:#04121f;padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:all .24s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.75);}
.btn-signup:active{transform:translateY(0) scale(.97);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  color:var(--cyan);cursor:pointer;align-items:center;justify-content:center;
  transition:all .24s ease;
}
.nav-toggle:hover{background:rgba(56,189,248,.18);}
.nav-toggle span{font-size:1.05rem;}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 10px 32px rgba(37,99,235,.45);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(103,232,249,.8),0 16px 42px rgba(56,189,248,.62);}
.btn-glow:active{transform:translateY(-1px) scale(.98);}
.btn-ghost{
  background:rgba(56,189,248,.07);color:#BAE6FD;border-color:rgba(96,165,250,.36);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--line-strong);transform:translateY(-3px);color:#E0F2FE;}
.btn-ghost:active{transform:translateY(-1px) scale(.98);}

/* ---------- SECTION BASE ---------- */
.sec{padding:78px 0;position:relative;}
.sec-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sec-head{max-width:820px;margin-bottom:38px;}
.sec-head-left{max-width:860px;margin-bottom:36px;text-align:left;}
.sec h2{
  font-size:clamp(1.5rem,3vw,2.15rem);
  line-height:1.3;font-weight:800;letter-spacing:-.02em;
  margin:14px 0 12px;color:#F1F5F9;
}
.sec h3{color:#E2E8F0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;
  color:var(--cyan);padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.7;margin:0;}
.lead-sm{color:var(--muted);font-size:.94rem;line-height:1.68;margin:0;}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 74px;}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/dfc7f4a69ddbd894.jpg') center/cover no-repeat;
  opacity:.22;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.5) 0%,rgba(3,7,18,.88) 58%,#030712 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:start;}
.hero h1{
  font-size:clamp(1.85rem,4vw,2.85rem);
  line-height:1.22;font-weight:900;letter-spacing:-.025em;
  margin:18px 0 16px;
  color:#F8FAFC;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#E0F2FE 5%,#67E8F9 55%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-points{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:12px;}
.hero-points li{display:flex;gap:11px;align-items:flex-start;color:#CBD5E1;font-size:.96rem;line-height:1.6;}
.hero-points i{color:var(--cyan);margin-top:5px;font-size:.82rem;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:20px;
  border-top:1px solid var(--line);
}
.hero-trust span{font-size:.82rem;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero-trust i{color:var(--plasma);}
.hero-aside{display:flex;flex-direction:column;gap:16px;}
.doc-cover{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
  background:rgba(8,18,41,.6);
}
.doc-cover img{width:100%;height:238px;object-fit:cover;}
.doc-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:38px 18px 15px;
  background:linear-gradient(0deg,rgba(3,7,18,.96),rgba(3,7,18,0));
  font-size:.85rem;font-weight:700;color:#E0F2FE;line-height:1.5;
}
.doc-tag{
  position:absolute;top:12px;left:12px;
  font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;font-weight:800;
  color:#04121f;background:linear-gradient(135deg,#67E8F9,#38BDF8);
  padding:6px 12px;border-radius:999px;
}
.glass{
  background:rgba(8,18,41,.62);
  border:1px solid var(--line);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.toc-card{padding:20px 22px;}
.toc-card h2{font-size:.95rem;font-weight:800;margin:0 0 12px;color:#E0F2FE;letter-spacing:.01em;}
.toc-card ol{margin:0;padding-left:20px;display:grid;gap:8px;color:var(--muted);font-size:.9rem;}
.toc-card ol li::marker{color:var(--plasma);font-weight:700;}
.hero-form{padding:18px 20px 20px;}
.hero-form label{display:block;font-size:.82rem;font-weight:700;color:#BAE6FD;margin-bottom:10px;letter-spacing:.01em;}
.hero-form-row{display:flex;gap:10px;}
.hero-form-row input{
  flex:1;min-width:0;background:rgba(3,7,18,.75);border:1px solid var(--line);
  border-radius:999px;padding:12px 18px;color:var(--txt);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-form-row input::placeholder{color:#64748B;}
.hero-form-row input:focus{border-color:var(--line-strong);outline:none;box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.hero-form-row .btn{padding:12px 20px;font-size:.88rem;}

/* ---------- METRICS ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.metric{
  position:relative;overflow:hidden;padding:24px 22px;
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,27,58,.85),rgba(8,18,41,.6));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--volt),var(--plasma));opacity:.75;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.metric-num{font-size:1.85rem;font-weight:900;line-height:1.1;letter-spacing:-.02em;color:#E0F2FE;}
.metric-num span{font-size:1rem;color:var(--cyan);margin-left:2px;}
.metric-label{font-size:.85rem;color:var(--muted);margin-top:10px;line-height:1.6;}

/* ---------- CHANNELS ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.channel-card{
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(8,18,41,.62);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--glow);}
.channel-head{display:flex;align-items:center;gap:13px;margin-bottom:16px;}
.channel-icon{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;
  display:grid;place-items:center;font-size:1.1rem;color:#04121f;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.8));
  box-shadow:0 0 16px rgba(56,189,248,.35);
}
.channel-head h3{margin:0;font-size:1.05rem;font-weight:800;line-height:1.3;}
.channel-head small{
  display:block;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;margin-top:3px;
}
.channel-list{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:.9rem;color:#CBD5E1;}
.channel-list li{display:flex;justify-content:space-between;gap:14px;
  border-bottom:1px dashed rgba(96,165,250,.14);padding-bottom:8px;}
.channel-list li:last-child{border-bottom:none;padding-bottom:0;}
.channel-list strong{color:#E0F2FE;font-weight:700;white-space:nowrap;}
.note-line{margin:24px 0 0;font-size:.88rem;color:var(--muted);padding-left:16px;border-left:2px solid rgba(103,232,249,.45);}

/* ---------- COMPARE ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.compare-col{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(8,18,41,.55);}
.compare-col h3{margin:0 0 8px;font-size:1.08rem;font-weight:800;display:flex;align-items:center;gap:10px;}
.compare-old h3 i{color:#F87171;}
.compare-new{
  border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(13,27,58,.92),rgba(8,18,41,.7));
  box-shadow:var(--glow);
}
.compare-new h3 i{color:var(--cyan);}
.compare-sub{margin:0;font-size:.85rem;color:#7C8CA5;}
.compare-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:11px;font-size:.91rem;color:#CBD5E1;}
.compare-list li{display:flex;gap:11px;align-items:flex-start;line-height:1.6;}
.compare-list i{margin-top:5px;font-size:.78rem;flex-shrink:0;}
.cross i{color:#F87171;}
.tick i{color:var(--cyan);}

/* ---------- FLOW ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.flow-step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(8,18,41,.6);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--glow);}
.flow-num{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);}
.flow-step h3{margin:10px 0 8px;font-size:1rem;font-weight:800;line-height:1.35;}
.flow-step p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.62;}
.flow-step::after{
  content:'';position:absolute;top:34px;right:-11px;width:13px;height:2px;
  background:linear-gradient(90deg,var(--plasma),transparent);
}
.flow-step:last-child::after{display:none;}

/* ---------- POSTS ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.post-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;
  border-radius:var(--radius);border:1px solid var(--line);background:rgba(8,18,41,.6);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.post-meta{font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--cyan);font-weight:700;}
.post-title{margin:0;font-size:1.02rem;font-weight:800;line-height:1.45;color:#F8FAFC;}
.post-title a{transition:color .2s ease;}
.post-card:hover .post-title{color:var(--cyan);}
.post-excerpt{margin:0;font-size:.88rem;color:var(--muted);line-height:1.62;}
.post-date{margin-top:auto;padding-top:8px;font-size:.78rem;color:#64748B;}
.empty-note{
  grid-column:1/-1;margin:0;padding:26px;border-radius:var(--radius);
  border:1px dashed rgba(96,165,250,.3);color:var(--muted);font-size:.92rem;
  background:rgba(8,18,41,.4);
}

/* ---------- TRUST ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.trust-item{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,27,58,.72),rgba(8,18,41,.5));
  transition:border-color .25s ease,box-shadow .25s ease;
}
.trust-item:hover{border-color:var(--line-strong);box-shadow:var(--glow);}
.trust-item i{font-size:1.15rem;color:var(--plasma);}
.trust-item h3{margin:14px 0 8px;font-size:1rem;font-weight:800;line-height:1.4;}
.trust-item p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.62;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.55);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--glow);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:none;border:none;padding:18px 20px;text-align:left;
  font-size:.98rem;font-weight:700;color:#E2E8F0;cursor:pointer;line-height:1.5;
}
.faq-q i{color:var(--cyan);flex-shrink:0;transition:transform .28s ease;font-size:.9rem;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{padding:0 20px 20px;color:var(--muted);font-size:.92rem;line-height:1.68;display:none;}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;padding:44px;border-radius:24px;
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(13,27,58,.96),rgba(3,7,18,.92));
  box-shadow:var(--shadow),var(--glow);
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/7f32e84ffc3abd4e.jpg') center/cover no-repeat;
  opacity:.12;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .92fr;gap:38px;align-items:center;}
.cta-inner h2{margin:14px 0 12px;font-size:clamp(1.4rem,2.6vw,1.95rem);font-weight:800;line-height:1.32;}
.cta-points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:#CBD5E1;line-height:1.6;}
.cta-points i{color:var(--cyan);margin-top:5px;font-size:.78rem;flex-shrink:0;}
.form-card{
  padding:26px;border-radius:var(--radius);
  background:rgba(3,7,18,.72);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.form-grid{display:grid;gap:13px;}
.field{display:grid;gap:7px;}
.field label{font-size:.82rem;font-weight:700;color:#BAE6FD;}
.field input,.field select{
  width:100%;background:rgba(3,7,18,.85);border:1px solid var(--line);
  border-radius:12px;padding:12px 15px;color:var(--txt);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#64748B;}
.field input:focus,.field select:focus{
  border-color:var(--line-strong);outline:none;
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.field select option{background:#081229;color:#F8FAFC;}
.form-note{font-size:.78rem;color:#7C8CA5;margin:4px 0 0;line-height:1.6;}
.form-card .btn{width:100%;margin-top:4px;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;font-size:1.15rem;
  color:#04121f;
  background:linear-gradient(135deg,#2563EB,#67E8F9);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(103,232,249,.75);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab-dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px var(--pink);
  animation:fabPulse 1.8s infinite;
}
@keyframes fabPulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.5;transform:scale(1.28);}
}

/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:24px;padding:56px 0 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.98));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{display:block;font-size:.95rem;font-weight:800;color:#F8FAFC;line-height:1.3;}
.footer-brand small{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600;}
.site-footer p{color:var(--muted);font-size:.9rem;line-height:1.68;margin:0;}
.footer-col h4{
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:#E0F2FE;margin:0 0 14px;font-weight:800;
}
.footer-col a{
  display:block;font-size:.9rem;color:var(--muted);padding:5px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
}
.footer-bottom p{font-size:.84rem;color:#7C8CA5;}
.age-badge{
  border:1px solid var(--line-strong);color:var(--cyan);
  border-radius:999px;padding:4px 13px;font-size:.76rem;font-weight:800;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1120px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(3,7,18,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:8px 20px 16px;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:13px 0;border-bottom:1px solid rgba(96,165,250,.08);font-size:.95rem;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .metric-grid{grid-template-columns:repeat(3,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .sec{padding:56px 0;}
  .hero{padding:44px 0 56px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .form-card{padding:20px;}
  .doc-cover img{height:200px;}
}
@media (max-width:620px){
  body{padding-top:106px;}
  .nav-wrap{height:auto;padding-top:10px;padding-bottom:10px;flex-wrap:wrap;row-gap:9px;gap:12px;}
  .brand{flex:1 1 auto;}
  .nav-actions{flex:1 1 100%;justify-content:space-between;}
  .main-nav{top:106px;}
  .brand-txt strong{font-size:.86rem;}
  .brand-txt small{font-size:.6rem;}
  .btn-login{padding:8px 12px;font-size:.79rem;}
  .btn-signup{padding:9px 14px;font-size:.79rem;}
  .hero-cta .btn{width:100%;}
  .hero-form-row{flex-direction:column;}
  .hero-form-row .btn{width:100%;}
  .metric-num{font-size:1.55rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:.92rem;padding:16px 16px;}
  .faq-a{padding:0 16px 18px;}
  .fab{width:52px;height:52px;bottom:88px;}
}