/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1a34;
  --glass:rgba(15,26,48,.72);
  --glass-2:rgba(10,20,40,.55);
  --line:rgba(56,189,248,.16);
  --line-2:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.12);
  --gold:#FCD34D;
  --gold-2:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 26px 60px -30px rgba(2,8,23,.95);
  --glow-cyan:0 0 30px rgba(56,189,248,.22);
  --glow-gold:0 0 30px rgba(245,158,11,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1000px 620px at 82% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(760px 520px at -6% 24%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(700px 460px at 50% 108%,rgba(245,158,11,.08),transparent 60%);
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.02em;}
h3{font-weight:700;}
p{margin:0;}
::selection{background:rgba(56,189,248,.35);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

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

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8 48%,#FCD34D);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 12px rgba(255,255,255,.25);
  color:#04101f;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:600;}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-links a.active{
  color:#fff;background:rgba(56,189,248,.14);
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.34),0 0 18px rgba(56,189,248,.16);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.btn-login{
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(56,189,248,.36);border-radius:11px;background:transparent;
  transition:.22s;white-space:nowrap;cursor:pointer;
}
.btn-login:hover{background:rgba(56,189,248,.12);border-color:var(--cyan);}
.btn-signup{
  padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:11px;cursor:pointer;
  color:#1a1000;background:linear-gradient(120deg,#FCD34D,#F59E0B);
  box-shadow:0 10px 28px -10px rgba(245,158,11,.85);
  transition:.22s;white-space:nowrap;border:none;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(245,158,11,.95);}
.btn-signup:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(56,189,248,.08);color:var(--cyan);cursor:pointer;place-items:center;font-size:16px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{background:linear-gradient(120deg,#FCD34D,#F59E0B);color:#1a1000;box-shadow:0 16px 42px -16px rgba(245,158,11,.9);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(245,158,11,1);}
.btn-gold:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(120deg,#2563EB,#38BDF8);color:#03101f;box-shadow:0 16px 42px -16px rgba(56,189,248,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(56,189,248,1);}
.btn-ghost{border-color:rgba(148,163,184,.32);color:var(--text);background:rgba(148,163,184,.07);}
.btn-ghost:hover{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.12);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:74px 0 64px;}
.hero-media{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.4;transform:scale(1.04);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.86) 52%,#030712 100%),
    radial-gradient(900px 520px at 18% 0%,rgba(37,99,235,.42),transparent 66%),
    radial-gradient(620px 420px at 92% 18%,rgba(252,211,77,.14),transparent 68%);
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:940px;margin:0 auto;padding:0 20px;}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 17px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--gold);
  background:rgba(252,211,77,.09);border:1px solid rgba(252,211,77,.28);
  box-shadow:0 0 24px rgba(252,211,77,.14);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(28px,4.4vw,50px);
  line-height:1.16;
  background:linear-gradient(180deg,#FFFFFF 18%,#BAE6FD 62%,#7DD3FC 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#fff;
  text-shadow:0 0 60px rgba(56,189,248,.14);
}
.hero-lead{
  margin:22px auto 0;max-width:760px;
  color:#CBD5E1;font-size:16.5px;line-height:1.72;text-align:left;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px;
}
.hero-facts li{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  min-width:132px;padding:14px 18px;border-radius:16px;
  background:var(--glass-2);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.hero-facts strong{font-size:20px;font-weight:800;color:var(--cyan);letter-spacing:-.02em;}
.hero-facts span{font-size:12px;color:var(--muted);letter-spacing:.02em;}

/* tier strip */
.tier-strip{
  position:relative;z-index:3;margin-top:44px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  padding:20px;border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(15,26,48,.94),rgba(8,18,41,.86));
  border:1px solid rgba(252,211,77,.22);
  backdrop-filter:blur(14px);
  box-shadow:0 30px 70px -42px rgba(0,0,0,.95),inset 0 0 40px rgba(245,158,11,.05);
}
.tier{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;transition:.25s;}
.tier:hover{background:rgba(252,211,77,.06);}
.tier-medal{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  font-size:16px;border:1px solid transparent;
}
.t-bronze{background:rgba(217,119,6,.18);color:#F59E0B;border-color:rgba(217,119,6,.4);}
.t-silver{background:rgba(148,163,184,.18);color:#E2E8F0;border-color:rgba(148,163,184,.42);}
.t-gold{background:rgba(252,211,77,.16);color:var(--gold);border-color:rgba(252,211,77,.42);}
.t-diamond{background:rgba(56,189,248,.16);color:var(--cyan);border-color:rgba(56,189,248,.42);}
.tier strong{display:block;font-size:14px;font-weight:700;}
.tier span{display:block;font-size:11.8px;color:var(--muted);line-height:1.5;}

/* ============ SECTIONS ============ */
.section{padding:88px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.15));border-top:1px solid rgba(56,189,248,.07);border-bottom:1px solid rgba(56,189,248,.07);}
.sec-head{max-width:700px;margin-bottom:46px;}
.sec-head--split{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.sec-head--split .sec-head-text{max-width:620px;}
.sec-head--split .sec-desc{max-width:400px;margin-top:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:15px;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.sec-title{font-size:clamp(25px,3.2vw,37px);}
.sec-desc{margin-top:15px;color:var(--muted);font-size:15.5px;line-height:1.72;}

/* ============ GRID ============ */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ============ CARDS ============ */
.card{
  position:relative;
  background:linear-gradient(160deg,rgba(15,26,48,.8),rgba(8,18,41,.6));
  border:1px solid var(--line);border-radius:var(--r);padding:28px;
  backdrop-filter:blur(12px);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 26px 56px -30px rgba(56,189,248,.6);}
.card-icon{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  font-size:19px;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(37,99,235,.3),rgba(56,189,248,.14));
  border:1px solid rgba(56,189,248,.3);color:var(--cyan);
  box-shadow:inset 0 0 18px rgba(56,189,248,.12);
}
.card-icon--gold{background:linear-gradient(140deg,rgba(245,158,11,.28),rgba(252,211,77,.12));border-color:rgba(252,211,77,.34);color:var(--gold);}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.6px;line-height:1.7;}

/* ============ CATEGORY MATRIX ============ */
.cat-card{
  display:block;position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:30px 28px 28px;
  background:linear-gradient(158deg,rgba(15,26,48,.86),rgba(6,14,32,.7));
  border:1px solid var(--line);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.cat-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.22),transparent 68%);
  transition:.4s;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 30px 60px -32px rgba(56,189,248,.7);}
.cat-card:hover::after{transform:scale(1.5);}
.cat-index{font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--muted-2);}
.cat-card h3{font-size:19px;margin:12px 0 10px;color:#fff;}
.cat-card p{color:var(--muted);font-size:14.5px;line-height:1.7;}
.cat-more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;font-weight:700;color:var(--cyan);}
.cat-more i{transition:transform .25s;}
.cat-card:hover .cat-more i{transform:translateX(4px);}

/* ============ CHART ============ */
.chart{margin-top:8px;}
.chart-row{display:grid;grid-template-columns:118px 1fr 62px;align-items:center;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.14);}
.chart-row:last-child{border-bottom:none;}
.chart-label{font-size:13.5px;color:var(--muted);font-weight:600;}
.chart-track{height:10px;border-radius:999px;background:rgba(148,163,184,.12);overflow:hidden;}
.chart-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 16px rgba(56,189,248,.5);}
.chart-fill--gold{background:linear-gradient(90deg,#F59E0B,#FCD34D);box-shadow:0 0 16px rgba(245,158,11,.5);}
.chart-value{font-size:14px;font-weight:800;color:var(--cyan);text-align:right;}

/* ============ STEPS ============ */
.steps{display:grid;gap:18px;counter-reset:step;}
.step{
  display:grid;grid-template-columns:58px 1fr;gap:20px;align-items:flex-start;
  padding:22px 24px;border-radius:var(--r);
  background:linear-gradient(120deg,rgba(15,26,48,.7),rgba(8,18,41,.45));
  border:1px solid var(--line);transition:.3s;
}
.step:hover{border-color:var(--line-2);transform:translateX(4px);}
.step-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:19px;font-weight:800;color:var(--gold);
  background:rgba(245,158,11,.1);border:1px solid rgba(252,211,77,.3);
}
.step h3{font-size:17px;margin-bottom:7px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.7;}

/* ============ FEATURE SPLIT ============ */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;}
.split-media{position:sticky;top:104px;display:grid;gap:18px;}
.split-media img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);}
.feature-block{margin-bottom:34px;padding-bottom:30px;border-bottom:1px solid rgba(148,163,184,.12);}
.feature-block:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.feature-block h3{font-size:18.5px;margin-bottom:12px;color:#fff;}
.feature-block p{color:var(--muted);font-size:15px;line-height:1.75;}
.feature-block h3 i{color:var(--cyan);margin-right:9px;}

/* ============ STATS ROW ============ */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px;}
.stat{
  padding:24px 22px;border-radius:var(--r);
  background:linear-gradient(150deg,rgba(15,26,48,.78),rgba(8,18,41,.5));
  border:1px solid var(--line);text-align:left;
}
.stat strong{display:block;font-size:26px;font-weight:800;color:var(--cyan);letter-spacing:-.03em;}
.stat--gold strong{color:var(--gold);}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.55;}

/* ============ APP DOWNLOAD ============ */
.dl-card{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,26,48,.85),rgba(6,14,32,.62));
  transition:.3s;
}
.dl-card:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:0 28px 60px -34px rgba(56,189,248,.7);}
.dl-card img{width:100%;height:200px;object-fit:cover;opacity:.92;}
.dl-body{padding:26px 26px 28px;}
.dl-head{display:flex;align-items:center;gap:11px;margin-bottom:12px;}
.dl-head i{font-size:19px;color:var(--cyan);}
.dl-head h3{font-size:18px;}
.dl-body p{color:var(--muted);font-size:14.5px;line-height:1.7;}
.dl-body ul{margin-top:16px;display:grid;gap:9px;}
.dl-body li{position:relative;padding-left:22px;font-size:14px;color:#CBD5E1;line-height:1.6;}
.dl-body li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(56,189,248,.8);
}

/* ============ PRICING / TIER TABLE ============ */
.tier-table{display:grid;gap:14px;}
.tier-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr auto;align-items:center;gap:18px;
  padding:20px 24px;border-radius:var(--r);
  background:linear-gradient(120deg,rgba(15,26,48,.72),rgba(8,18,41,.45));
  border:1px solid var(--line);transition:.28s;
}
.tier-row:hover{border-color:rgba(252,211,77,.4);background:linear-gradient(120deg,rgba(23,35,60,.86),rgba(10,22,44,.6));}
.tier-row--hot{border-color:rgba(252,211,77,.42);box-shadow:0 0 34px -12px rgba(245,158,11,.45);}
.tier-row strong{font-size:16.5px;font-weight:800;display:block;}
.tier-row small{display:block;font-size:12.5px;color:var(--muted-2);margin-top:3px;}
.tier-row span{font-size:14.5px;color:#CBD5E1;}
.tier-row .bonus{font-size:16px;font-weight:800;color:var(--gold);text-align:right;}
.tag-hot{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:10.5px;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;color:#3b1d00;
  background:linear-gradient(120deg,#FCD34D,#F59E0B);margin-left:8px;
}

/* ============ RESULT CARDS ============ */
.result-card{
  padding:28px;border-radius:var(--r);
  background:linear-gradient(150deg,rgba(15,26,48,.8),rgba(8,18,41,.52));
  border:1px solid var(--line);transition:.3s;
}
.result-card:hover{transform:translateY(-5px);border-color:var(--line-2);}
.result-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;
  font-size:15px;color:#04101f;background:linear-gradient(140deg,#38BDF8,#2563EB);
}
.result-amount{font-size:24px;font-weight:800;color:var(--gold);letter-spacing:-.02em;}
.result-card p{color:var(--muted);font-size:14.4px;line-height:1.7;margin-top:10px;}

/* ============ REVIEWS ============ */
.rating-summary{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  padding:26px 30px;border-radius:var(--r-lg);margin-bottom:26px;
  background:linear-gradient(120deg,rgba(15,26,48,.85),rgba(8,18,41,.55));
  border:1px solid var(--line);
}
.rating-score{font-size:46px;font-weight:800;color:#fff;line-height:1;letter-spacing:-.03em;}
.rating-meta{display:grid;gap:5px;}
.stars{color:var(--gold);font-size:14px;letter-spacing:2px;}
.rating-meta span{font-size:13.5px;color:var(--muted);}
.review{
  padding:24px;border-radius:var(--r);
  background:rgba(10,20,40,.62);border:1px solid var(--line);transition:.28s;
}
.review:hover{border-color:var(--line-2);background:rgba(15,26,48,.75);}
.review .stars{display:block;margin-bottom:11px;}
.review p{font-size:14.4px;color:#CBD5E1;line-height:1.72;}
.review footer{margin-top:14px;font-size:12.8px;color:var(--muted-2);font-weight:600;}

/* ============ RESOURCES ============ */
.res-item{display:flex;gap:15px;align-items:flex-start;padding:20px 0;border-bottom:1px solid rgba(148,163,184,.12);}
.res-item:last-child{border-bottom:none;}
.res-item i{font-size:18px;color:var(--cyan);margin-top:3px;width:22px;text-align:center;}
.res-item h3{font-size:16px;margin-bottom:6px;}
.res-item p{font-size:14.3px;color:var(--muted);line-height:1.7;}
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.pay-badge{
  padding:9px 16px;border-radius:11px;font-size:13px;font-weight:700;
  background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.24);color:#BAE6FD;
  transition:.24s;
}
.pay-badge:hover{background:rgba(56,189,248,.16);border-color:var(--line-2);color:#fff;}

/* ============ POSTS (CMS) ============ */
.post-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(15,26,48,.78),rgba(8,18,41,.5));
  border:1px solid var(--line);transition:.3s;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 26px 56px -32px rgba(56,189,248,.6);}
.post-thumb{display:block;overflow:hidden;aspect-ratio:16/10;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.post-card:hover .post-thumb img{transform:scale(1.06);}
.post-body{padding:22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.post-cat{
  align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:11px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);
}
.post-title{font-size:16.5px;line-height:1.45;}
.post-title a{transition:color .22s;}
.post-title a:hover{color:var(--cyan);}
.post-ex{font-size:14px;color:var(--muted);line-height:1.68;}
.post-date{margin-top:auto;font-size:12.5px;color:var(--muted-2);padding-top:8px;}
.empty-state{
  grid-column:1/-1;padding:34px;text-align:center;border-radius:var(--r);
  border:1px dashed rgba(56,189,248,.3);color:var(--muted);font-size:14.5px;background:rgba(10,20,40,.4);
}

/* ============ FORM ============ */
.form-wrap{
  display:grid;grid-template-columns:1fr 1.05fr;gap:0;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid rgba(252,211,77,.22);
  background:linear-gradient(150deg,rgba(15,26,48,.9),rgba(6,14,32,.72));
  box-shadow:0 40px 90px -52px rgba(245,158,11,.5);
}
.form-visual{position:relative;min-height:340px;background-size:cover;background-position:center;}
.form-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.35),rgba(3,7,18,.85));}
.form-visual-text{position:absolute;left:30px;right:30px;bottom:30px;z-index:2;}
.form-visual-text strong{display:block;font-size:32px;font-weight:800;color:var(--gold);letter-spacing:-.03em;}
.form-visual-text span{font-size:14px;color:#CBD5E1;}
.form-body{padding:40px 38px;}
.form-body h2{font-size:clamp(23px,2.8vw,30px);margin-bottom:12px;}
.form-body>p{color:var(--muted);font-size:14.8px;line-height:1.72;margin-bottom:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:#CBD5E1;margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:13px;
  background:rgba(3,7,18,.7);border:1px solid rgba(148,163,184,.24);
  font-size:14.5px;color:#fff;transition:.24s;
}
.field input::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);}
.radio-row{display:flex;gap:10px;flex-wrap:wrap;}
.radio-row label{
  display:flex;align-items:center;gap:8px;padding:11px 17px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(148,163,184,.24);background:rgba(3,7,18,.55);
  font-size:13.8px;font-weight:600;transition:.24s;
}
.radio-row label:hover{border-color:var(--line-2);}
.radio-row input{accent-color:#38BDF8;width:auto;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted-2);line-height:1.6;}
.form-ok{
  display:none;margin-top:16px;padding:14px 18px;border-radius:13px;font-size:14px;font-weight:600;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.4);color:#6EE7B7;
}
.form-ok.show{display:block;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:52px 46px;text-align:center;
  background:linear-gradient(130deg,rgba(37,99,235,.24),rgba(8,18,41,.9) 55%,rgba(245,158,11,.16));
  border:1px solid rgba(56,189,248,.24);
  box-shadow:0 34px 80px -46px rgba(56,189,248,.7);
}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);}
.cta-band p{max-width:640px;margin:16px auto 0;color:#CBD5E1;font-size:15.4px;line-height:1.72;}
.cta-band .btn{margin-top:28px;}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:64px 0 30px;
  background:linear-gradient(180deg,rgba(6,12,26,.6),rgba(3,7,18,.98));
  border-top:1px solid var(--line);
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:16px;}
.footer-brand strong{font-size:16px;}
.footer-col h4{font-size:13.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--muted);transition:color .22s;}
.footer-col a:hover{color:var(--cyan);}
.footer-about p{font-size:14px;color:var(--muted);line-height:1.72;max-width:340px;}
.footer-bottom{
  margin-top:46px;padding-top:24px;border-top:1px solid rgba(148,163,184,.12);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--muted-2);}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 11px;border-radius:8px;font-size:11.5px;font-weight:800;letter-spacing:.06em;
  color:#FCA5A5;border:1px solid rgba(239,68,68,.45);background:rgba(239,68,68,.1);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:130;
  width:58px;height:58px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(7,12,26,.82);
  backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-clip:padding-box;
  box-shadow:0 0 22px rgba(6,182,212,.42),0 10px 30px -12px rgba(0,0,0,.9);
  color:#7DD3FC;font-size:20px;
  opacity:.78;
  transition:transform .28s,opacity .28s,box-shadow .28s,color .28s;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab::before{
  content:"";position:absolute;inset:-1px;border-radius:999px;padding:1px;
  background:linear-gradient(135deg,#A3E635,#06B6D4 42%,#EC4899);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.fab:hover{opacity:1;transform:scale(1.09);box-shadow:0 0 34px rgba(6,182,212,.72),0 14px 34px -14px rgba(0,0,0,.95);color:#fff;}
.fab:hover i{animation:fabFlicker .55s linear;}
.fab:active{transform:scale(.95);}
.fab-badge{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;border:2px solid #030712;
  animation:badgeBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 20px rgba(6,182,212,.38),0 10px 30px -12px rgba(0,0,0,.9);}
  50%{box-shadow:0 0 34px rgba(6,182,212,.68),0 10px 30px -12px rgba(0,0,0,.9);}
}
@keyframes fabFlicker{
  0%,100%{opacity:1;}
  30%{opacity:.35;}
  60%{opacity:1;}
  75%{opacity:.5;}
}
@keyframes badgeBlink{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:36px;}
  .split-media{position:static;grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:980px){
  .nav-toggle{display:grid;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 22px;
    background:rgba(4,9,22,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(56,189,248,.2);
    transform:translateY(-140%);
    transition:transform .34s cubic-bezier(.4,0,.2,1);
    z-index:110;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links a{font-size:15px;padding:13px 15px;}
}
@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .tier-strip{grid-template-columns:repeat(2,1fr);}
  .form-wrap{grid-template-columns:1fr;}
  .form-visual{min-height:220px;}
  .section{padding:66px 0;}
  .section{padding-left:0;padding-right:0;}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:18px;}
  .sec-head--split .sec-desc{max-width:none;}
  .tier-row{grid-template-columns:1fr 1fr;gap:12px;}
  .tier-row .bonus{grid-column:1/-1;text-align:left;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:14.5px;}
  .nav{height:66px;gap:8px;}
  .nav-links{top:66px;}
  .btn-login{padding:8px 11px;font-size:12.5px;}
  .btn-signup{padding:9px 13px;font-size:12.5px;}
  .brand-mark{width:36px;height:36px;font-size:15px;}
  .hero{padding:52px 0 48px;}
  .hero-lead{font-size:15.4px;text-align:left;}
  .hero-actions .btn{width:100%;}
  .hero-facts li{min-width:calc(50% - 6px);padding:12px 12px;}
  .tier-strip{grid-template-columns:1fr;padding:16px;}
  .split-media{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .card{padding:22px;}
  .step{grid-template-columns:44px 1fr;gap:15px;padding:18px;}
  .step-num{width:42px;height:42px;font-size:16px;border-radius:13px;}
  .dl-card img{height:170px;}
  .form-body{padding:28px 22px;}
  .form-visual-text{left:22px;right:22px;bottom:22px;}
  .cta-band{padding:38px 22px;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .chart-row{grid-template-columns:96px 1fr 50px;gap:10px;}
  .fab{bottom:88px;left:12px;width:54px;height:54px;font-size:18px;}
}
@media (max-width:400px){
  .btn-login{display:none;}
  .hero-facts li{min-width:100%;}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1a34;
  --glass:rgba(15,26,48,.72);
  --glass-2:rgba(10,20,40,.55);
  --line:rgba(56,189,248,.16);
  --line-2:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.12);
  --gold:#FCD34D;
  --gold-2:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 26px 60px -30px rgba(2,8,23,.95);
  --glow-cyan:0 0 30px rgba(56,189,248,.22);
  --glow-gold:0 0 30px rgba(245,158,11,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1000px 620px at 82% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(760px 520px at -6% 24%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(700px 460px at 50% 108%,rgba(245,158,11,.08),transparent 60%);
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8 48%,#FCD34D);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 12px rgba(255,255,255,.25);
  color:#04101f;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-links a.active{
  color:#fff;background:rgba(56,189,248,.14);
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.34),0 0 18px rgba(56,189,248,.16);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.btn-login{
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(56,189,248,.36);border-radius:11px;background:transparent;
  transition:.22s;white-space:nowrap;cursor:pointer;
}
.btn-login:hover{background:rgba(56,189,248,.12);border-color:var(--cyan);}
.btn-signup{
  padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:11px;cursor:pointer;
  color:#1a1000;background:linear-gradient(120deg,#FCD34D,#F59E0B);
  box-shadow:0 10px 28px -10px rgba(245,158,11,.85);
  transition:.22s;white-space:nowrap;border:none;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(245,158,11,.95);}
.btn-signup:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(56,189,248,.08);color:var(--cyan);cursor:pointer;place-items:center;font-size:16px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{background:linear-gradient(120deg,#FCD34D,#F59E0B);color:#1a1000;box-shadow:0 16px 42px -16px rgba(245,158,11,.9);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(245,158,11,1);}
.btn-gold:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(120deg,#2563EB,#38BDF8);color:#03101f;box-shadow:0 16px 42px -16px rgba(56,189,248,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(56,189,248,1);}
.btn-ghost{border-color:rgba(148,163,184,.32);color:var(--text);background:rgba(148,163,184,.07);}
.btn-ghost:hover{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.12);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ SECTION BASE ============ */
.section{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.0),rgba(8,18,41,.72) 30%,rgba(8,18,41,.0));}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.015em;
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72;}
.grad-text{
  background:linear-gradient(120deg,#7DD3FC,#38BDF8 45%,#FCD34D);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#fff;
}

/* ============ ARTICLE HERO ============ */
.post-hero{position:relative;overflow:hidden;padding:44px 0 40px;border-bottom:1px solid var(--line);}
.post-hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;}
.post-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.86),rgba(3,7,18,.94) 60%,#030712 100%),
    radial-gradient(760px 420px at 14% 0%,rgba(37,99,235,.4),transparent 68%),
    radial-gradient(520px 340px at 92% 10%,rgba(252,211,77,.12),transparent 70%);
}
.post-hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--muted-2);margin-bottom:20px;}
.crumb a{color:var(--muted);transition:color .2s;}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:9px;opacity:.7;}
.post-hero h1{
  font-size:clamp(25px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  max-width:900px;
  background:linear-gradient(180deg,#FFFFFF 20%,#BAE6FD 68%,#7DD3FC 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#fff;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:20px;font-size:13.5px;color:var(--muted);}
.post-meta span{display:inline-flex;align-items:center;gap:8px;}
.post-meta i{color:var(--cyan);font-size:12px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--gold);background:rgba(252,211,77,.09);border:1px solid rgba(252,211,77,.28);
}
.post-lead{
  margin-top:22px;max-width:840px;color:#CBD5E1;font-size:16.5px;line-height:1.75;text-align:left;
}
.post-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ============ ARTICLE BODY ============ */
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;}
.post-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--shadow);backdrop-filter:blur(10px);
  font-size:16px;line-height:1.75;color:#DDE7F3;text-align:left;min-width:0;
}
.post-body > * + *{margin-top:18px;}
.post-body h2{
  font-size:clamp(20px,2.3vw,26px);line-height:1.34;font-weight:800;color:#fff;letter-spacing:-.012em;
  margin-top:36px;padding-left:16px;border-left:3px solid var(--cyan);
}
.post-body h3{font-size:18.5px;font-weight:700;color:#fff;margin-top:28px;}
.post-body h4{font-size:16.5px;font-weight:700;color:var(--gold);margin-top:22px;}
.post-body p{color:#C7D5E6;}
.post-body strong{color:#fff;font-weight:700;}
.post-body em{color:var(--gold);font-style:normal;}
.post-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;transition:color .2s;}
.post-body a:hover{color:var(--gold);}
.post-body ul,.post-body ol{padding-left:0;}
.post-body ul li,.post-body ol li{
  position:relative;padding-left:26px;margin-top:11px;color:#C7D5E6;line-height:1.7;
}
.post-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 10px rgba(56,189,248,.7);
}
.post-body ol{counter-reset:pl;}
.post-body ol li{counter-increment:pl;}
.post-body ol li::before{
  content:counter(pl);position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:6px;
  display:grid;place-items:center;font-size:11px;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,#FCD34D,#F59E0B);
}
.post-body img{border-radius:var(--r);border:1px solid var(--line);margin:24px 0;}
.post-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--r);
  background:rgba(56,189,248,.07);border-left:3px solid var(--cyan);color:#DDE7F3;
}
.post-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;overflow-x:auto;}
.post-body table th,.post-body table td{
  padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap;
}
.post-body table th{background:rgba(56,189,248,.1);color:#fff;font-weight:700;}
.post-body table tr:nth-child(even) td{background:rgba(148,163,184,.04);}
.post-body hr{border:none;height:1px;background:var(--line);margin:32px 0;}
.post-empty{text-align:center;padding:26px 6px 10px;}
.post-empty i{font-size:40px;color:var(--muted-2);}
.post-empty h2{margin-top:16px;font-size:22px;font-weight:800;color:#fff;}
.post-empty p{margin-top:12px;color:var(--muted);}
.post-empty .btn{margin-top:22px;}

/* ============ SIDEBAR ============ */
.post-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--glass-2);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;backdrop-filter:blur(10px);
}
.side-card h3{font-size:15px;font-weight:800;color:#fff;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--gold);}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:11px;font-size:13.5px;color:var(--muted);line-height:1.6;}
.side-list li i{color:var(--cyan);margin-top:4px;font-size:12px;}
.side-card .btn{margin-top:18px;}
.side-note{font-size:12.5px;color:var(--muted-2);margin-top:14px;line-height:1.6;}

/* ============ CHECKLIST ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  padding:24px;backdrop-filter:blur(10px);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 24px 50px -28px rgba(56,189,248,.6);}
.icon-badge{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 22px rgba(56,189,248,.4);
}
.icon-badge.gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);box-shadow:0 0 22px rgba(245,158,11,.4);}
.glass-card h3{margin-top:16px;font-size:17px;font-weight:800;color:#fff;line-height:1.35;}
.glass-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14px;color:#C7D5E6;line-height:1.65;}
.check-list li i{color:#34D399;margin-top:5px;font-size:12px;}

/* ============ SPEC TABLE ============ */
.spec-wrap{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.spec-table th,.spec-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);}
.spec-table th{width:38%;color:var(--muted);font-weight:600;background:rgba(8,18,41,.5);}
.spec-table td{color:#E2EAF5;font-weight:600;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}
.spec-table tr:hover td{background:rgba(56,189,248,.05);}
.spec-table td .hl{color:var(--gold);}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:st;}
.step{
  position:relative;background:var(--glass-2);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px 22px;transition:border-color .28s,transform .28s;
}
.step:hover{border-color:var(--line-2);transform:translateY(-4px);}
.step::before{
  counter-increment:st;content:"0" counter(st);
  position:absolute;top:-14px;left:20px;padding:4px 11px;border-radius:9px;
  font-size:12px;font-weight:800;letter-spacing:.06em;color:#04101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 8px 20px -8px rgba(56,189,248,.9);
}
.step h3{margin-top:8px;font-size:16px;font-weight:800;color:#fff;}
.step p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ PROMO ROWS ============ */
.promo-list{display:flex;flex-direction:column;gap:14px;}
.promo-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--glass-2);border:1px solid var(--line);border-radius:var(--r);
  padding:20px 24px;transition:border-color .25s,background .25s;
}
.promo-row:hover{border-color:rgba(252,211,77,.36);background:rgba(252,211,77,.04);}
.promo-row h3{font-size:16px;font-weight:800;color:#fff;}
.promo-row p{margin-top:6px;font-size:13.5px;color:var(--muted);}
.promo-value{
  font-size:20px;font-weight:800;color:var(--gold);white-space:nowrap;
  text-shadow:0 0 24px rgba(252,211,77,.35);
}

/* ============ PAY / TRUST ============ */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:26px;}
.pay-item{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(8,18,41,.62);border:1px solid var(--line);font-size:14px;font-weight:600;color:#E2EAF5;
  transition:border-color .25s,transform .25s;
}
.pay-item:hover{border-color:var(--line-2);transform:translateY(-3px);}
.pay-item i{color:var(--cyan);font-size:16px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;
}
.trust-pill{
  display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#CBD5E1;
  background:rgba(148,163,184,.07);border:1px solid var(--line);
}
.trust-pill i{color:#34D399;font-size:12px;}

/* ============ REVIEWS ============ */
.review{
  background:var(--glass-2);border:1px solid var(--line);border-radius:var(--r);padding:24px;
}
.review .stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
.review p{margin-top:14px;font-size:14.5px;color:#C7D5E6;line-height:1.72;}
.review .who{margin-top:16px;display:flex;align-items:center;gap:11px;font-size:13.5px;color:var(--muted);}
.avatar{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:13px;
  color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.avatar.g{background:linear-gradient(135deg,#FCD34D,#F59E0B);}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel{
  display:block;position:relative;overflow:hidden;border-radius:var(--r);
  border:1px solid var(--line);background:var(--glass);
  padding:26px 24px;transition:transform .28s,border-color .28s,box-shadow .28s;
}
.channel:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 26px 52px -30px rgba(56,189,248,.7);}
.channel .num{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--muted-2);}
.channel h3{margin-top:12px;font-size:18px;font-weight:800;color:#fff;line-height:1.35;}
.channel p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;}
.channel .more{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--cyan);}
.channel:hover .more{color:var(--gold);}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq details{
  background:var(--glass-2);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:border-color .25s,background .25s;
}
.faq details[open]{border-color:var(--line-2);background:rgba(56,189,248,.06);}
.faq summary{
  cursor:pointer;list-style:none;padding:19px 54px 19px 22px;position:relative;
  font-size:15.5px;font-weight:700;color:#fff;line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--cyan);transition:transform .28s,color .28s;
}
.faq details[open] summary::after{content:"\f068";color:var(--gold);}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.75;text-align:left;}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;}
.cta-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(120deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),
    radial-gradient(700px 400px at 88% 20%,rgba(245,158,11,.2),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;padding:60px 0;}
.cta-inner h2{font-size:clamp(23px,3vw,34px);line-height:1.26;font-weight:800;letter-spacing:-.018em;}
.cta-inner p{margin-top:16px;color:#C7D5E6;font-size:15.5px;line-height:1.75;}
.code-box{
  background:var(--glass);border:1px dashed rgba(252,211,77,.5);border-radius:var(--r-lg);
  padding:28px;text-align:center;backdrop-filter:blur(12px);box-shadow:var(--glow-gold);
}
.code-box .lbl{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:700;}
.code-box .code{
  margin-top:12px;font-size:38px;font-weight:800;letter-spacing:.1em;color:var(--gold);
  text-shadow:0 0 34px rgba(252,211,77,.45);
}
.code-box .note{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.65;}
.code-box .btn{margin-top:20px;}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:90;
  width:58px;height:58px;border-radius:19px;display:grid;place-items:center;
  font-size:20px;color:var(--cyan);
  background:linear-gradient(#07070d,#07070d) padding-box,
             linear-gradient(135deg,#38BDF8,#2563EB 55%,#FCD34D) border-box;
  border:2px solid transparent;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  backdrop-filter:blur(12px);
  opacity:.8;transition:transform .28s,opacity .28s,box-shadow .28s;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.8);color:var(--gold);}
.fab:active{transform:scale(.95) translateY(1px);}
.fab .dot{
  position:absolute;top:-4px;right:-4px;width:13px;height:13px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.7);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.4),#020610);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:800;color:#fff;}
.footer-about p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.75;max-width:400px;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
.footer-col ul li{font-size:14px;color:var(--muted);}
.footer-col ul li a{color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-col ul li a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted-2);
}
.age-badge{
  display:inline-grid;place-items:center;min-width:30px;height:22px;padding:0 7px;border-radius:7px;
  font-size:11.5px;font-weight:800;color:var(--gold);
  border:1px solid rgba(252,211,77,.45);background:rgba(252,211,77,.08);margin-right:8px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .post-layout{grid-template-columns:1fr;}
  .post-side{position:static;}
  .grid-4,.steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:820px){
  .nav-links{
    position:absolute;top:72px;left:-20px;right:-20px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
    box-shadow:0 30px 50px -30px rgba(0,0,0,.95);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;}
  .brand-text span{display:none;}
  .grid-3,.grid-2,.channel-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .post-body{padding:26px 20px;}
}
@media (max-width:520px){
  .container{padding:0 15px;}
  .nav{gap:8px;height:66px;}
  .nav-links{top:66px;left:-15px;right:-15px;}
  .brand{gap:8px;}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:14px;}
  .brand-text strong{font-size:13.5px;}
  .btn-login{padding:6px 9px;font-size:11.5px;border-radius:9px;}
  .btn-signup{padding:7px 10px;font-size:11.5px;border-radius:9px;}
  .nav-toggle{width:38px;height:38px;}
  .grid-4,.steps,.pay-grid,.footer-top{grid-template-columns:1fr;}
  .post-hero{padding:32px 0 30px;}
  .post-body{font-size:15px;}
  .code-box .code{font-size:30px;}
  .promo-row{padding:18px;}
  .fab{width:52px;height:52px;left:12px;bottom:86px;border-radius:16px;font-size:18px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1a34;
  --glass:rgba(15,26,48,.72);
  --glass-2:rgba(10,20,40,.55);
  --line:rgba(56,189,248,.16);
  --line-2:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.12);
  --gold:#FCD34D;
  --gold-2:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 26px 60px -30px rgba(2,8,23,.95);
  --glow-cyan:0 0 30px rgba(56,189,248,.22);
  --glow-gold:0 0 30px rgba(245,158,11,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1000px 620px at 82% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(760px 520px at -6% 24%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(700px 460px at 50% 108%,rgba(245,158,11,.08),transparent 60%);
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.015em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8 48%,#FCD34D);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 12px rgba(255,255,255,.25);
  color:#04101f;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-links a.active{
  color:#fff;background:rgba(56,189,248,.14);
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.34),0 0 18px rgba(56,189,248,.16);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.btn-login{
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(56,189,248,.36);border-radius:11px;background:transparent;
  transition:.22s;white-space:nowrap;cursor:pointer;
}
.btn-login:hover{background:rgba(56,189,248,.12);border-color:var(--cyan);}
.btn-signup{
  padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:11px;cursor:pointer;
  color:#1a1000;background:linear-gradient(120deg,#FCD34D,#F59E0B);
  box-shadow:0 10px 28px -10px rgba(245,158,11,.85);
  transition:.22s;white-space:nowrap;border:none;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(245,158,11,.95);}
.btn-signup:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(56,189,248,.08);color:var(--cyan);cursor:pointer;place-items:center;font-size:16px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{background:linear-gradient(120deg,#FCD34D,#F59E0B);color:#1a1000;box-shadow:0 16px 42px -16px rgba(245,158,11,.9);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(245,158,11,1);}
.btn-gold:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(120deg,#2563EB,#38BDF8);color:#03101f;box-shadow:0 16px 42px -16px rgba(56,189,248,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(56,189,248,1);}
.btn-ghost{border-color:rgba(148,163,184,.32);color:var(--text);background:rgba(148,163,184,.07);}
.btn-ghost:hover{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.12);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}

/* ============ HERO (category) ============ */
.cat-hero{position:relative;overflow:hidden;padding:60px 0 66px;border-bottom:1px solid var(--line);}
.cat-hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;transform:scale(1.05);}
.cat-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.9) 55%,#030712 100%),
    radial-gradient(880px 520px at 12% 0%,rgba(37,99,235,.44),transparent 66%),
    radial-gradient(620px 420px at 94% 22%,rgba(252,211,77,.13),transparent 68%);
}
.cat-hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted-2);font-weight:600;letter-spacing:.04em;text-transform:uppercase;flex-wrap:wrap;}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:9px;}
.hero-split{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:start;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 17px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--gold);
  background:rgba(252,211,77,.09);border:1px solid rgba(252,211,77,.28);
  box-shadow:0 0 24px rgba(252,211,77,.14);
}
.cat-hero h1{
  margin-top:20px;
  font-size:clamp(27px,3.6vw,44px);
  line-height:1.18;
  background:linear-gradient(180deg,#FFFFFF 18%,#BAE6FD 64%,#7DD3FC 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#fff;
}
.hero-lead{margin-top:20px;color:#CBD5E1;font-size:16px;line-height:1.72;max-width:640px;}
.hero-lead strong{color:#fff;font-weight:700;}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:10px;
  font-size:12.5px;font-weight:600;color:#CBD5E1;
  background:rgba(15,26,48,.7);border:1px solid var(--line);
}
.chip i{color:var(--cyan);font-size:12px;}
/* hero side panel */
.hero-panel{
  background:linear-gradient(165deg,rgba(15,26,48,.9),rgba(8,18,41,.72));
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow),var(--glow-cyan);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.panel-label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:700;}
.ring-wrap{display:flex;align-items:center;gap:20px;margin-top:16px;}
.ring{width:104px;height:104px;flex-shrink:0;transform:rotate(-90deg);}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round;}
.ring-bg{stroke:rgba(56,189,248,.14);}
.ring-fg{stroke:url(#ringGrad);}
.ring-num{display:flex;flex-direction:column;}
.ring-num b{font-size:30px;font-weight:800;line-height:1;color:#fff;}
.ring-num span{font-size:12.5px;color:var(--muted);margin-top:6px;}
.tier-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.tier{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:14px;
  background:rgba(3,7,18,.55);border:1px solid var(--line);
  transition:border-color .25s,transform .25s,background .25s;
}
.tier:hover{border-color:var(--line-2);transform:translateX(3px);background:rgba(56,189,248,.07);}
.tier-name{font-size:13.5px;font-weight:700;}
.tier-name small{display:block;font-size:11.5px;font-weight:500;color:var(--muted-2);margin-top:2px;}
.tier-val{font-size:13px;font-weight:700;color:var(--gold);white-space:nowrap;}
.panel-note{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.6;}

/* ============ SECTION BASE ============ */
.section{padding:66px 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.66),rgba(3,7,18,.24));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-head{max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#38BDF8,#FCD34D);}
.sec-head h2{margin-top:12px;font-size:clamp(22px,2.5vw,32px);line-height:1.26;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72;}
.sec-head + .grid{margin-top:36px;}

/* ============ GRIDS ============ */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ============ CARD ============ */
.card{
  position:relative;
  background:linear-gradient(168deg,rgba(15,26,48,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);border-radius:var(--r);
  padding:24px;
  transition:border-color .28s,transform .28s,box-shadow .28s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:var(--shadow),var(--glow-cyan);}
.card-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid var(--line-2);color:var(--cyan);font-size:18px;
  margin-bottom:16px;
}
.card-ico.gold{background:rgba(252,211,77,.1);border-color:rgba(252,211,77,.32);color:var(--gold);}
.card h3{font-size:17px;line-height:1.4;}
.card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.7;}
.card .num{
  position:absolute;top:18px;right:20px;font-size:34px;font-weight:800;
  color:rgba(56,189,248,.12);line-height:1;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.tag-cyan{background:rgba(56,189,248,.12);color:var(--cyan);border:1px solid rgba(56,189,248,.3);}
.tag-gold{background:rgba(252,211,77,.12);color:var(--gold);border:1px solid rgba(252,211,77,.3);}
.tag-red{background:rgba(244,63,94,.12);color:#FB7185;border:1px solid rgba(244,63,94,.3);}

/* ============ SPLIT IMAGE ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(3,7,18,0) 30%,rgba(3,7,18,.62) 100%);
}
.split-body h2{font-size:clamp(21px,2.3vw,30px);}
.split-body > p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72;}
.mini-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#CBD5E1;line-height:1.65;}
.mini-list i{color:var(--cyan);margin-top:4px;font-size:13px;flex-shrink:0;}

/* ============ SPEC TABLE ============ */
.spec-table{
  margin-top:32px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:rgba(8,18,41,.5);
}
.spec-row{
  display:grid;grid-template-columns:minmax(180px,.85fr) 1.15fr;gap:16px;
  padding:15px 22px;border-bottom:1px solid rgba(56,189,248,.1);
  transition:background .22s;
}
.spec-row:last-child{border-bottom:none;}
.spec-row:hover{background:rgba(56,189,248,.06);}
.spec-row dt{font-size:13.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;}
.spec-row dd{margin:0;font-size:14.5px;color:#E2E8F0;font-weight:500;}
.spec-row dd b{color:var(--gold);font-weight:700;}

/* ============ TIMELINE ============ */
.timeline{margin-top:34px;display:flex;flex-direction:column;gap:0;}
.tl-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.tl-item:last-child{border-bottom:none;}
.tl-index{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#03101f;
  background:linear-gradient(130deg,#38BDF8,#2563EB);
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.tl-body h3{font-size:16.5px;}
.tl-body p{margin-top:8px;color:var(--muted);font-size:14.5px;line-height:1.7;}
.tl-body .tl-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;}

/* ============ SCENARIO CARDS ============ */
.scenario{
  background:linear-gradient(170deg,rgba(15,26,48,.9),rgba(8,18,41,.62));
  border:1px solid var(--line);border-radius:var(--r);padding:26px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .28s,transform .28s,box-shadow .28s;
}
.scenario:hover{border-color:rgba(252,211,77,.4);transform:translateY(-4px);box-shadow:var(--shadow),var(--glow-gold);}
.scenario .sc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.scenario h3{font-size:18px;}
.scenario .sc-amount{font-size:26px;font-weight:800;color:var(--gold);line-height:1.1;}
.scenario ul{display:flex;flex-direction:column;gap:9px;margin-top:2px;}
.scenario li{display:flex;gap:10px;font-size:14px;color:#CBD5E1;line-height:1.6;}
.scenario li i{color:var(--cyan);font-size:11px;margin-top:6px;flex-shrink:0;}

/* ============ WARNING LIST ============ */
.warn-list{margin-top:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.warn{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--r);
  background:rgba(244,63,94,.05);border:1px solid rgba(244,63,94,.2);
  transition:border-color .25s,background .25s;
}
.warn:hover{border-color:rgba(244,63,94,.42);background:rgba(244,63,94,.09);}
.warn i{color:#FB7185;font-size:15px;margin-top:3px;flex-shrink:0;}
.warn b{display:block;font-size:15px;font-weight:700;color:#fff;}
.warn span{display:block;margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.66;}

/* ============ CHECKLIST ============ */
.check-grid{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.check-item{
  display:flex;gap:13px;align-items:flex-start;padding:18px;border-radius:var(--r);
  background:rgba(15,26,48,.66);border:1px solid var(--line);
  transition:transform .25s,border-color .25s;
}
.check-item:hover{transform:translateY(-3px);border-color:var(--line-2);}
.check-item i{
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(16,185,129,.14);color:#34D399;font-size:12px;border:1px solid rgba(52,211,153,.3);
}
.check-item span{font-size:14.2px;color:#CBD5E1;line-height:1.62;}

/* ============ CHANNEL MATRIX ============ */
.matrix{margin-top:34px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.matrix-card{
  display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:var(--r);
  background:linear-gradient(165deg,rgba(15,26,48,.9),rgba(8,18,41,.6));
  border:1px solid var(--line);transition:border-color .28s,transform .28s,box-shadow .28s;
}
.matrix-card:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:var(--shadow),var(--glow-cyan);}
.matrix-card i.mc-ico{font-size:22px;color:var(--cyan);}
.matrix-card h3{font-size:17px;}
.matrix-card p{font-size:14.2px;color:var(--muted);line-height:1.68;flex:1;}
.matrix-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--cyan);}
.matrix-link:hover{gap:12px;color:var(--gold);}

/* ============ FAQ ============ */
.faq{margin-top:32px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:rgba(8,18,41,.55);transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(15,26,48,.8);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:700;color:#F1F5F9;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);font-size:13px;transition:transform .28s;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.6px;line-height:1.72;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid rgba(252,211,77,.28);
  background:
    radial-gradient(620px 320px at 88% 12%,rgba(252,211,77,.16),transparent 66%),
    linear-gradient(150deg,rgba(15,26,48,.96),rgba(8,18,41,.78));
  padding:44px;box-shadow:var(--shadow);
}
.cta-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.26;}
.cta-band p{margin-top:14px;color:#CBD5E1;font-size:15.5px;line-height:1.72;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px;}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.pay{
  padding:8px 14px;border-radius:10px;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  background:rgba(56,189,248,.08);border:1px solid var(--line);color:#CBD5E1;
}
.cta-code{
  text-align:center;padding:26px 20px;border-radius:var(--r);
  background:rgba(3,7,18,.62);border:1px dashed rgba(252,211,77,.45);
}
.cta-code .code{font-size:34px;font-weight:800;letter-spacing:.06em;color:var(--gold);line-height:1.1;}
.cta-code small{display:block;margin-top:10px;font-size:12.8px;color:var(--muted);line-height:1.6;}

/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.96));padding:54px 0 26px;margin-top:20px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{font-size:16px;font-weight:800;}
.footer-about p{color:var(--muted);font-size:14px;line-height:1.72;max-width:380px;}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#E2E8F0;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--muted);transition:color .22s;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--muted-2);}
.age-badge{
  display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 8px;margin-right:8px;
  border-radius:7px;font-size:11.5px;font-weight:800;color:#1a1000;
  background:linear-gradient(120deg,#FCD34D,#F59E0B);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(135deg,#38BDF8,#2563EB 55%,#FCD34D);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#E0F2FE;font-size:20px;opacity:.8;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  transition:transform .25s,opacity .25s,box-shadow .25s;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(56,189,248,.75);}
.fab:active{transform:scale(.94);}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(56,189,248,.38);}
  50%{box-shadow:0 0 30px rgba(56,189,248,.72);}
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-split{grid-template-columns:1fr;gap:34px;}
  .hero-lead{max-width:none;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-grid,.matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:900px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.97);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 14px;font-size:15px;}
  .nav-toggle{display:grid;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .cat-hero{padding:44px 0 52px;}
  .grid-3{grid-template-columns:1fr;}
  .warn-list{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .brand-text span{display:none;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .grid-2,.grid-4,.check-grid,.matrix{grid-template-columns:1fr;}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:14px 18px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .tl-item{grid-template-columns:44px 1fr;gap:14px;}
  .tl-index{width:38px;height:38px;font-size:14px;border-radius:12px;}
  .btn{padding:13px 20px;font-size:14.5px;width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .cta-actions{flex-direction:column;}
  .ring-wrap{flex-direction:column;align-items:flex-start;gap:14px;}
  .btn-login{padding:8px 11px;font-size:12.5px;}
  .btn-signup{padding:9px 12px;font-size:12.5px;}
  .fab{width:52px;height:52px;bottom:84px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1a34;
  --glass:rgba(15,26,48,.72);
  --glass-2:rgba(10,20,40,.55);
  --line:rgba(56,189,248,.16);
  --line-2:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.12);
  --gold:#FCD34D;
  --gold-2:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 26px 60px -30px rgba(2,8,23,.95);
  --glow-cyan:0 0 30px rgba(56,189,248,.22);
  --glow-gold:0 0 30px rgba(245,158,11,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1000px 620px at 82% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(760px 520px at -6% 24%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(700px 460px at 50% 108%,rgba(245,158,11,.08),transparent 60%);
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.24;letter-spacing:-.01em;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8 48%,#FCD34D);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 12px rgba(255,255,255,.25);
  color:#04101f;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-links a.active{
  color:#fff;background:rgba(56,189,248,.14);
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.34),0 0 18px rgba(56,189,248,.16);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.btn-login{
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(56,189,248,.36);border-radius:11px;background:transparent;
  transition:.22s;white-space:nowrap;cursor:pointer;
}
.btn-login:hover{background:rgba(56,189,248,.12);border-color:var(--cyan);}
.btn-signup{
  padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:11px;cursor:pointer;
  color:#1a1000;background:linear-gradient(120deg,#FCD34D,#F59E0B);
  box-shadow:0 10px 28px -10px rgba(245,158,11,.85);
  transition:.22s;white-space:nowrap;border:none;display:inline-block;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(245,158,11,.95);}
.btn-signup:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(56,189,248,.08);color:var(--cyan);cursor:pointer;place-items:center;font-size:16px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{background:linear-gradient(120deg,#FCD34D,#F59E0B);color:#1a1000;box-shadow:0 16px 42px -16px rgba(245,158,11,.9);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(245,158,11,1);}
.btn-gold:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(120deg,#2563EB,#38BDF8);color:#03101f;box-shadow:0 16px 42px -16px rgba(56,189,248,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(56,189,248,1);}
.btn-ghost{border-color:rgba(148,163,184,.32);color:var(--text);background:rgba(148,163,184,.07);}
.btn-ghost:hover{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.12);transform:translateY(-2px);}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:66px 0 60px;}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.9) 58%,#030712 100%),
    radial-gradient(900px 520px at 14% 0%,rgba(37,99,235,.44),transparent 66%),
    radial-gradient(620px 420px at 94% 22%,rgba(252,211,77,.13),transparent 68%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr .95fr;gap:28px;align-items:start;
}
.hero-slab{
  position:relative;
  padding:42px 40px 60px;
  background:linear-gradient(150deg,rgba(37,99,235,.42),rgba(8,18,41,.94) 56%,rgba(56,189,248,.16));
  box-shadow:var(--glow-cyan);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%);
}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold);
  background:rgba(252,211,77,.09);border:1px solid rgba(252,211,77,.28);
  box-shadow:0 0 24px rgba(252,211,77,.14);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(27px,3.9vw,44px);
  line-height:1.18;
  background:linear-gradient(180deg,#FFFFFF 16%,#BAE6FD 64%,#7DD3FC 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#fff;
}
.hero-lead{margin-top:20px;max-width:640px;color:#CBD5E1;font-size:16px;line-height:1.72;}
.hero-actions{margin-top:28px;}
.hero-note{margin-top:14px;font-size:13.4px;color:var(--muted-2);}
.hero-panel{
  background:var(--glass);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:24px;backdrop-filter:blur(10px);box-shadow:var(--shadow);
}
.hero-panel h2{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);font-weight:700;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;}
.stat{padding:14px 15px;border-radius:var(--r-sm);background:rgba(3,7,18,.55);border:1px solid var(--line);}
.stat b{display:block;font-size:19px;font-weight:800;color:#fff;}
.stat span{display:block;margin-top:3px;font-size:12.4px;color:var(--muted-2);line-height:1.4;}
.panel-list{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;display:grid;gap:10px;}
.panel-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.4px;color:var(--muted);}
.panel-list i{color:var(--cyan);margin-top:4px;font-size:13px;}

/* ============ SECTION ============ */
.section{padding:74px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.34));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:13px;
}
.section-head h2{font-size:clamp(22px,2.8vw,33px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.6px;line-height:1.72;}
.section-head p + p{margin-top:10px;}

/* ============ GRID & CARD ============ */
.grid{display:grid;gap:20px;}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;backdrop-filter:blur(10px);
  transition:transform .28s,border-color .28s,box-shadow .28s,background .28s;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--glow-cyan);}
.card h3{font-size:17.4px;margin-bottom:9px;}
.card p{color:var(--muted);font-size:14.9px;line-height:1.7;}
.ic{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;
  color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid var(--line-2);margin-bottom:16px;
}
.ic.gold{color:var(--gold);background:rgba(252,211,77,.12);border-color:rgba(252,211,77,.3);}

/* ============ SPLIT & MEDIA ============ */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center;}
.media-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.media-frame img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.media-cap{margin-top:12px;font-size:13.2px;color:var(--muted-2);line-height:1.6;}
.bullet-list{display:grid;gap:14px;margin-top:22px;}
.bullet-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.2px;color:var(--muted);line-height:1.7;}
.bullet-list i{color:var(--gold);margin-top:5px;font-size:13px;}

/* ============ STEPS ============ */
.step-list{display:grid;gap:16px;counter-reset:st;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:24px;border-radius:var(--r);background:var(--glass-2);border:1px solid var(--line);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.step:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--glow-cyan);}
.step-no{
  width:56px;height:56px;border-radius:17px;display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#04101f;
  background:linear-gradient(140deg,#38BDF8,#2563EB);
}
.step:nth-child(even) .step-no{background:linear-gradient(140deg,#FCD34D,#F59E0B);color:#1a1000;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.9px;line-height:1.7;}

/* ============ TABLE ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--glass-2);}
table{width:100%;border-collapse:collapse;min-width:640px;}
thead th{
  text-align:left;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);
  padding:16px 20px;background:rgba(56,189,248,.07);border-bottom:1px solid var(--line);font-weight:700;
}
tbody td{padding:16px 20px;border-bottom:1px solid rgba(56,189,248,.08);font-size:14.8px;color:var(--muted);}
tbody td strong{color:var(--text);}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .2s;}
tbody tr:hover{background:rgba(56,189,248,.05);}
.table-note{margin-top:14px;font-size:13.4px;color:var(--muted-2);line-height:1.65;}

/* ============ SPEC & PAY ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.spec{padding:18px 20px;border-radius:var(--r-sm);background:rgba(10,20,40,.62);border:1px solid var(--line);}
.spec span{display:block;font-size:11.4px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700;}
.spec strong{display:block;margin-top:7px;font-size:15.6px;color:var(--text);font-weight:700;}
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.pay{
  display:flex;align-items:center;gap:13px;padding:17px 18px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--glass-2);transition:.25s;
}
.pay:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--glow-cyan);}
.pay i{font-size:20px;color:var(--gold);}
.pay b{display:block;font-size:14.6px;font-weight:700;}
.pay small{color:var(--muted-2);font-size:12.4px;display:block;margin-top:2px;}

/* ============ CHECKLIST ============ */
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:15px 18px;
  border-left:2px solid var(--line-2);background:rgba(10,20,40,.42);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--muted);font-size:15px;line-height:1.7;
  transition:background .25s,border-color .25s;
}
.check-list li:hover{background:rgba(56,189,248,.08);border-color:var(--cyan);}
.check-list i{color:#34D399;margin-top:5px;font-size:13px;}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--glass-2);transition:border-color .25s,box-shadow .25s;}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--glow-cyan);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:15.6px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:13px;transition:transform .28s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14.9px;line-height:1.74;}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.channel{
  display:block;padding:26px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,26,48,.92),rgba(3,7,18,.72));
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.channel:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--glow-cyan);}
.channel h3{font-size:17.6px;margin:14px 0 9px;}
.channel p{color:var(--muted);font-size:14.9px;line-height:1.7;}
.channel .more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.6px;font-weight:700;color:var(--cyan);}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;
  font-size:11.8px;font-weight:700;letter-spacing:.04em;color:var(--gold);
  background:rgba(252,211,77,.1);border:1px solid rgba(252,211,77,.28);
}
.tag--cyan{color:var(--cyan);background:rgba(56,189,248,.1);border-color:var(--line-2);}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line-2);
  padding:44px;background:linear-gradient(135deg,rgba(37,99,235,.36),rgba(3,7,18,.92));
  box-shadow:var(--glow-cyan);
}
.cta-band h2{font-size:clamp(22px,2.7vw,31px);max-width:640px;}
.cta-band p{margin-top:15px;color:#CBD5E1;font-size:15.6px;line-height:1.72;max-width:660px;}
.code-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;max-width:620px;}
.code-form input{
  flex:1 1 240px;padding:14px 18px;border-radius:14px;border:1px solid var(--line-2);
  background:rgba(3,7,18,.66);color:#fff;font-size:15px;transition:border-color .25s,box-shadow .25s;
}
.code-form input::placeholder{color:var(--muted-2);}
.code-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none;}
.form-msg{margin-top:14px;font-size:14px;color:#34D399;display:none;}
.form-msg.show{display:block;}
.form-note{margin-top:12px;font-size:13.2px;color:var(--muted-2);}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 18px;border-radius:999px;
  font-size:13.4px;font-weight:700;color:#E0F2FE;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38BDF8,#2563EB 55%,#FCD34D);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1.6px solid transparent;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:.78;transition:opacity .25s,transform .25s,box-shadow .25s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 20px rgba(56,189,248,.35);}
  50%{box-shadow:0 0 30px rgba(56,189,248,.6);}
}
.fab i{font-size:16px;color:var(--cyan);transition:transform .4s,color .3s;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.75);}
.fab:hover i{transform:rotate(360deg);color:var(--gold);}
.fab:active{transform:scale(.97) translateY(1px);}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px #030712;animation:dotBlink 1.6s infinite;
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:24px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.98));
  padding:58px 0 26px;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;font-weight:800;}
.footer-about p{color:var(--muted);font-size:14.6px;line-height:1.72;max-width:430px;}
.footer-col h4{font-size:12.4px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;font-weight:700;}
.footer-col li{color:var(--muted);font-size:14.5px;padding:6px 0;}
.footer-col a{transition:color .2s;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--muted-2);font-size:13.3px;line-height:1.6;
}
.age-badge{
  display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 7px;border-radius:6px;
  border:1px solid rgba(252,211,77,.5);color:var(--gold);font-size:11.4px;font-weight:700;margin-right:7px;
  vertical-align:middle;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:grid;}
  .nav{height:66px;}
  .nav-links{
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(6,13,30,.98);border:1px solid var(--line-2);border-radius:var(--r);
    padding:12px;box-shadow:var(--shadow);display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-slab{padding:34px 26px 52px;}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:26px;}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:46px 0 42px;}
  .hero-slab{padding:28px 20px 46px;clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),0 100%);}
  .g-2,.g-3{grid-template-columns:1fr;}
  .brand-text span{display:none;}
  .cta-band{padding:28px 22px;}
  .step{grid-template-columns:46px 1fr;gap:14px;padding:20px;}
  .step-no{width:46px;height:46px;border-radius:14px;font-size:16px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .g-4,.spec-grid,.pay-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .brand-text{display:none;}
  .nav-actions{gap:6px;}
  .btn-login{padding:7px 10px;font-size:12px;}
  .btn-signup{padding:8px 12px;font-size:12px;box-shadow:none;}
  .nav-toggle{width:38px;height:38px;font-size:15px;}
  .stat-grid{grid-template-columns:1fr;}
  .fab{bottom:88px;padding:10px 14px;font-size:12.4px;min-height:50px;}
  .fab span{display:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0c1a34;
  --glass:rgba(15,26,48,.72);
  --glass-2:rgba(10,20,40,.55);
  --line:rgba(56,189,248,.16);
  --line-2:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.12);
  --gold:#FCD34D;
  --gold-2:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 26px 60px -30px rgba(2,8,23,.95);
  --glow-cyan:0 0 30px rgba(56,189,248,.22);
  --glow-gold:0 0 30px rgba(245,158,11,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.66;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1000px 620px at 82% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(760px 520px at -6% 24%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(700px 460px at 50% 108%,rgba(245,158,11,.08),transparent 60%);
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8 48%,#FCD34D);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 12px rgba(255,255,255,.25);
  color:#04101f;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:11px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);}
.nav-links a.active{
  color:#fff;background:rgba(56,189,248,.14);
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.34),0 0 18px rgba(56,189,248,.16);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.btn-login{
  padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(56,189,248,.36);border-radius:11px;background:transparent;
  transition:.22s;white-space:nowrap;cursor:pointer;
}
.btn-login:hover{background:rgba(56,189,248,.12);border-color:var(--cyan);}
.btn-signup{
  padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:11px;cursor:pointer;
  color:#1a1000;background:linear-gradient(120deg,#FCD34D,#F59E0B);
  box-shadow:0 10px 28px -10px rgba(245,158,11,.85);
  transition:.22s;white-space:nowrap;border:none;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(245,158,11,.95);}
.btn-signup:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(56,189,248,.08);color:var(--cyan);cursor:pointer;place-items:center;font-size:16px;
}
.nav-toggle:hover{background:rgba(56,189,248,.16);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{background:linear-gradient(120deg,#FCD34D,#F59E0B);color:#1a1000;box-shadow:0 16px 42px -16px rgba(245,158,11,.9);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(245,158,11,1);}
.btn-gold:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(120deg,#2563EB,#38BDF8);color:#03101f;box-shadow:0 16px 42px -16px rgba(56,189,248,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -14px rgba(56,189,248,1);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(148,163,184,.32);color:var(--text);background:rgba(148,163,184,.07);}
.btn-ghost:hover{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.12);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:60px 0 56px;background:linear-gradient(180deg,#030712 0%,#081229 100%);}
.hero-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/eb258747f55cb10a.jpg');
  background-size:cover;background-position:center;
  opacity:.24;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.78) 0%,rgba(3,7,18,.93) 58%,#030712 100%),
    radial-gradient(880px 500px at 10% 0%,rgba(37,99,235,.42),transparent 66%),
    radial-gradient(620px 420px at 96% 12%,rgba(56,189,248,.16),transparent 68%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;
}
.hero-copy{text-align:left;}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 17px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--gold);
  background:rgba(252,211,77,.09);border:1px solid rgba(252,211,77,.28);
  box-shadow:0 0 24px rgba(252,211,77,.14);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(27px,3.9vw,46px);
  line-height:1.18;font-weight:800;letter-spacing:-.015em;
  background:linear-gradient(180deg,#FFFFFF 16%,#BAE6FD 64%,#7DD3FC 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#fff;
}
.hero-lead{margin-top:20px;max-width:640px;color:#CBD5E1;font-size:16px;line-height:1.74;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.fact{
  padding:13px 17px;border-radius:16px;min-width:138px;
  border:1px solid var(--line);background:var(--glass-2);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:.25s;
}
.fact:hover{border-color:var(--line-2);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.fact strong{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.fact span{display:block;margin-top:3px;font-size:11.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.07em;font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* hero panel */
.hero-panel{
  border-radius:var(--r-lg);
  border:1px solid var(--line-2);
  background:linear-gradient(160deg,rgba(15,26,48,.86),rgba(8,18,41,.62));
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow),0 0 42px -22px rgba(56,189,248,.55);
  padding:24px 24px 20px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.panel-head h3{font-size:15px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.panel-head .live{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:#4ADE80;
}
.panel-head .live i{font-size:7px;animation:blip 1.5s infinite;}
@keyframes blip{0%,100%{opacity:1;}50%{opacity:.25;}}
.panel-rows{margin-top:6px;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.14);
}
.panel-row:last-child{border-bottom:none;}
.panel-row span{font-size:14px;color:var(--muted);}
.panel-row strong{font-size:15px;font-weight:700;color:#fff;white-space:nowrap;}
.panel-row strong.gold{color:var(--gold);}
.panel-row strong.up{color:#4ADE80;}
.panel-row strong.down{color:#FB7185;}
.panel-note{margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);background:rgba(56,189,248,.08);border:1px solid var(--line);font-size:13px;color:#BAE6FD;line-height:1.6;}

/* ============ SECTIONS ============ */
.sec{padding:62px 0;position:relative;border-top:1px solid rgba(56,189,248,.08);}
.sec-tint{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));}
.sec-head{max-width:760px;margin-bottom:34px;text-align:left;}
.sec-tag{display:inline-block;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:10px;}
.sec-title{font-size:clamp(21px,2.5vw,31px);line-height:1.28;font-weight:800;color:#fff;letter-spacing:-.015em;}
.sec-sub{margin-top:13px;color:var(--muted);font-size:15.5px;line-height:1.72;}

.split{display:grid;grid-template-columns:1.06fr .94fr;gap:38px;align-items:start;}
.split-even{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;}

/* rules */
.rule-list{display:grid;gap:15px;}
.rule-item{
  display:grid;grid-template-columns:42px 1fr;gap:16px;
  padding:18px 20px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--glass-2);
  transition:transform .25s,border-color .25s,background .25s,box-shadow .25s;
}
.rule-item:hover{border-color:var(--line-2);background:rgba(12,26,52,.82);transform:translateX(3px);box-shadow:var(--glow-cyan);}
.rule-num{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04101f;
  background:linear-gradient(140deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px -6px rgba(56,189,248,.9);
}
.rule-item h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:-.01em;}
.rule-item p{font-size:14.5px;color:var(--muted);line-height:1.72;}

.figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--glass-2);box-shadow:var(--shadow);
}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s;}
.figure:hover img{transform:scale(1.03);}
.figure figcaption{padding:16px 20px;font-size:13.5px;color:var(--muted);line-height:1.65;border-top:1px solid var(--line);}

/* table */
.table-wrap{
  overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);
  background:var(--glass-2);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:720px;}
thead th{
  background:rgba(56,189,248,.09);color:#BAE6FD;
  font-size:12px;text-transform:uppercase;letter-spacing:.09em;font-weight:700;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-2);white-space:nowrap;
}
tbody td{padding:15px 18px;border-bottom:1px solid rgba(56,189,248,.09);color:#CBD5E1;font-size:14.5px;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .22s;}
tbody tr:hover{background:rgba(56,189,248,.06);}
tbody td strong{color:#fff;font-weight:700;}
.td-good{color:#4ADE80 !important;font-weight:700;}
.td-risk{color:#FB7185 !important;font-weight:700;}
.table-note{margin-top:16px;padding:14px 18px;border-radius:var(--r-sm);background:rgba(252,211,77,.07);border:1px solid rgba(252,211,77,.24);color:#FDE68A;font-size:14px;line-height:1.7;}

/* flow */
.flow{display:grid;gap:14px;}
.flow-step{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  padding:20px 22px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(140deg,rgba(15,26,48,.78),rgba(8,18,41,.5));
  transition:border-color .25s,box-shadow .25s,transform .25s;
}
.flow-step:hover{border-color:var(--line-2);box-shadow:var(--glow-cyan);transform:translateY(-2px);}
.flow-badge{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#03101f;
  background:linear-gradient(140deg,#7DD3FC,#38BDF8 45%,#2563EB);
  box-shadow:0 0 24px -8px rgba(56,189,248,1);
}
.flow-step h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:7px;letter-spacing:-.01em;}
.flow-step p{font-size:14.5px;color:var(--muted);line-height:1.72;}
.flow-step .chip{
  display:inline-block;margin-top:10px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  color:#BAE6FD;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
}

/* stop grid */
.stop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.stop-item{
  padding:22px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,26,48,.8),rgba(8,18,41,.55));
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.stop-item:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--glow-cyan);}
.stop-val{
  font-size:24px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FCD34D,#F59E0B);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#FCD34D;
}
.stop-item h3{margin-top:8px;font-size:16px;font-weight:700;color:#fff;}
.stop-item p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.72;}

/* scene */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.scene-card{
  padding:22px;border-radius:var(--r);border:1px solid var(--line);
  background:var(--glass-2);transition:border-color .25s,transform .25s,box-shadow .25s;
}
.scene-card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--glow-cyan);}
.scene-card .scene-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.13);border:1px solid rgba(56,189,248,.3);
  color:var(--cyan);font-size:17px;margin-bottom:14px;
}
.scene-card h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.7;}

/* mistakes */
.mistake-list{display:grid;gap:13px;max-width:920px;}
.mistake-item{
  display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;
  padding:16px 20px;border-radius:var(--r-sm);
  border:1px solid rgba(244,63,94,.22);background:rgba(244,63,94,.05);
  transition:background .25s,border-color .25s;
}
.mistake-item:hover{background:rgba(244,63,94,.1);border-color:rgba(244,63,94,.42);}
.mistake-item i{color:#FB7185;font-size:15px;margin-top:4px;}
.mistake-item strong{display:block;color:#fff;font-size:15.5px;font-weight:700;margin-bottom:5px;}
.mistake-item p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{
  padding:24px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,26,48,.78),rgba(8,18,41,.5));
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.review-card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--glow-cyan);}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
.review-card p{font-size:14.5px;color:#CBD5E1;line-height:1.74;}
.review-meta{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04101f;
  background:linear-gradient(140deg,#38BDF8,#2563EB);
}
.review-meta strong{display:block;font-size:14px;color:#fff;font-weight:700;}
.review-meta span{font-size:12.5px;color:var(--muted-2);}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r);
  background:var(--glass-2);overflow:hidden;transition:border-color .25s,background .25s;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item:hover{border-color:var(--line-2);}
.faq-item[open]{background:rgba(12,26,52,.8);border-color:var(--line-2);}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:#fff;letter-spacing:-.01em;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
  transition:transform .25s,background .25s;
}
.faq-item[open] summary::after{content:"–";background:rgba(56,189,248,.22);transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.76;}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;
  padding:52px 0;
  border-top:1px solid rgba(252,211,77,.22);
  background:
    radial-gradient(760px 420px at 12% 20%,rgba(37,99,235,.34),transparent 66%),
    radial-gradient(620px 380px at 88% 80%,rgba(245,158,11,.22),transparent 68%),
    linear-gradient(180deg,#081229,#030712);
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.cta-copy h2{
  font-size:clamp(21px,2.6vw,32px);line-height:1.26;font-weight:800;color:#fff;letter-spacing:-.015em;
}
.cta-copy p{margin-top:14px;color:#CBD5E1;font-size:15.5px;line-height:1.74;max-width:560px;}
.cta-points{display:grid;gap:10px;margin-top:22px;}
.cta-points li{display:flex;align-items:flex-start;gap:11px;font-size:14.8px;color:#CBD5E1;line-height:1.65;}
.cta-points i{color:var(--gold);font-size:14px;margin-top:5px;}
.cta-form-wrap{
  padding:26px;border-radius:var(--r-lg);
  border:1px solid rgba(252,211,77,.3);
  background:linear-gradient(160deg,rgba(15,26,48,.88),rgba(8,18,41,.62));
  box-shadow:var(--shadow),var(--glow-gold);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-form-wrap h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:8px;}
.cta-form-wrap > p{font-size:14px;color:var(--muted);line-height:1.66;margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;text-transform:uppercase;letter-spacing:.09em;font-weight:700;color:#BAE6FD;margin-bottom:8px;}
.field input{
  width:100%;padding:14px 16px;border-radius:13px;
  border:1px solid var(--line);background:rgba(3,7,18,.72);color:#fff;font-size:15px;
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.field input::placeholder{color:#64748B;}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);background:rgba(3,7,18,.9);}
.form-note{margin-top:12px;font-size:13.5px;color:#4ADE80;line-height:1.6;min-height:20px;}
.form-legal{margin-top:10px;font-size:12px;color:var(--muted-2);line-height:1.6;}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,#030712,#060d1d);
  border-top:1px solid var(--line);
  padding:58px 0 26px;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800;color:#fff;}
.footer-about p{margin-top:15px;max-width:390px;color:var(--muted);font-size:14.5px;line-height:1.72;}
.footer-col h4{
  margin:0 0 15px;font-size:12.5px;text-transform:uppercase;letter-spacing:.11em;
  font-weight:700;color:#BAE6FD;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li,.footer-col a{color:var(--muted);font-size:14.5px;transition:color .22s;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  color:var(--muted-2);font-size:13px;
}
.age-badge{
  display:inline-grid;place-items:center;min-width:36px;height:22px;padding:0 8px;
  border-radius:7px;background:rgba(220,38,38,.18);border:1px solid rgba(220,38,38,.42);
  color:#FCA5A5;font-size:11.5px;font-weight:700;margin-right:6px;
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  height:56px;padding:0 18px;border-radius:999px;
  border:1px solid transparent;
  background:
    linear-gradient(#0a1226,#0a1226) padding-box,
    linear-gradient(120deg,#38BDF8,#2563EB 55%,#EC4899) border-box;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  color:#E0F2FE;font-size:13.5px;font-weight:700;letter-spacing:.01em;
  opacity:.82;transition:opacity .25s,transform .25s,box-shadow .3s;
}
.fab i{color:#67E8F9;font-size:17px;}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);}
.fab:active{transform:translateY(1px) scale(.98);}
.fab::after{
  content:"";position:absolute;top:7px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-copy{text-align:left;}
  .hero-lead{max-width:none;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-about{grid-column:1 / -1;}
  .footer-about p{max-width:none;}
}
@media (max-width:1024px){
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line-2);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    box-shadow:0 26px 40px -26px rgba(0,0,0,.9);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;}
  .split,.split-even,.cta-inner{grid-template-columns:1fr;gap:28px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;gap:16px;}
}
@media (max-width:820px){
  .stop-grid{grid-template-columns:1fr;}
  .sec{padding:52px 0;}
}
@media (max-width:680px){
  .scene-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero{padding:46px 0 44px;}
  .btn{padding:13px 20px;font-size:14.5px;}
}
@media (max-width:560px){
  .brand-text span{display:none;}
  .btn-login{padding:8px 11px;font-size:12px;}
  .btn-signup{padding:9px 12px;font-size:12px;}
  .nav{height:66px;gap:10px;}
  .nav-links{top:66px;padding:12px 16px 18px;}
  .hero-facts{gap:10px;}
  .fact{min-width:calc(50% - 5px);}
  .flow-step{grid-template-columns:44px 1fr;gap:14px;padding:17px;}
  .flow-badge{width:44px;height:44px;border-radius:14px;font-size:16px;}
  .rule-item{grid-template-columns:38px 1fr;gap:13px;padding:16px;}
  .rule-num{width:38px;height:38px;border-radius:11px;}
  .cta-form-wrap{padding:20px;}
  .fab{width:54px;height:54px;padding:0;justify-content:center;bottom:86px;}
  .fab span{display:none;}
  .footer-top{grid-template-columns:1fr;}
}