/* roulang page: index */
:root{
  --bg:#0B0C0E;
  --bg2:#14161B;
  --bg3:#1B1E24;
  --gold:#D4AF37;
  --gold-l:#F0D97A;
  --gold-d:#B45309;
  --text:#F5F5F7;
  --soft:#CBD5E1;
  --mute:#A8A29E;
  --line:rgba(212,175,55,.18);
  --line2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.95);
  --gold-grad:linear-gradient(135deg,#F7E7A6 0%,#D4AF37 45%,#B45309 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
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,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
section{position:relative;padding:76px 0;}
.section-alt{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-deep{background:linear-gradient(180deg,#0B0C0E 0%,#14161B 60%,#0B0C0E 100%);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,14,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:var(--gold-grad);
  color:#1A1204;font-weight:800;font-size:13px;letter-spacing:-.4px;
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(212,175,55,.75);
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;text-transform:uppercase;color:var(--mute);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 13px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--soft);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--gold-l);background:rgba(212,175,55,.09);}
.nav-link.active{color:var(--gold-l);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.btn-login{
  padding:10px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  color:var(--gold-l);border:1px solid rgba(212,175,55,.42);
  background:transparent;transition:.22s ease;
}
.btn-login:hover{background:rgba(212,175,55,.12);border-color:var(--gold);}
.btn-signup{
  padding:11px 18px;border-radius:11px;font-size:13.5px;font-weight:700;
  color:#1A1204;background:var(--gold-grad);
  box-shadow:0 12px 28px -14px rgba(212,175,55,.85);
  transition:transform .2s ease,filter .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-signup:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--gold-l);font-size:17px;cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line2);background:rgba(20,22,27,.98);
  padding:12px 20px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:var(--soft);
  border-bottom:1px solid var(--line2);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--gold-l);font-weight:600;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.1px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{background:var(--gold-grad);color:#1A1204;box-shadow:0 16px 34px -16px rgba(212,175,55,.9);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 42px -16px rgba(212,175,55,1);}
.btn-gold:active{transform:translateY(-1px);}
.btn-outline{background:rgba(255,255,255,.03);color:var(--gold-l);border-color:rgba(212,175,55,.45);}
.btn-outline:hover{background:rgba(212,175,55,.12);transform:translateY(-3px);}
.btn:focus-visible,.nav-link:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible{
  outline:2px solid var(--gold-l);outline-offset:3px;
}

/* ===== Hero ===== */
.hero{padding:0;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:saturate(.85);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,7,9,.97) 0%,rgba(8,9,12,.9) 46%,rgba(12,14,18,.72) 100%);
}
.hero-inner{position:relative;padding:96px 20px 74px;max-width:1180px;}
.hero-burst{
  position:absolute;top:74px;right:22px;
  width:104px;height:104px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#FBE9A8,#D4AF37 55%,#8C3D06);
  color:#1A1204;font-size:11.5px;font-weight:700;line-height:1.2;
  display:grid;place-items:center;text-align:center;padding:10px;
  transform:rotate(9deg);
  box-shadow:0 18px 40px -14px rgba(212,175,55,.85);
  animation:burstPulse 3.6s ease-in-out infinite;
}
.hero-burst strong{display:block;font-size:22px;font-weight:800;letter-spacing:-.5px;}
@keyframes burstPulse{0%,100%{transform:rotate(9deg) scale(1);}50%{transform:rotate(9deg) scale(1.05);}}
.eyebrow{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.32);
}
.hero-title{
  margin-top:22px;max-width:900px;
  font-size:clamp(27px,4.4vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#FFFFFF 0%,#F7E7A6 55%,#D4AF37 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;max-width:760px;
  font-size:16.5px;line-height:1.7;color:var(--soft);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px;}
.hero-note{
  margin-top:20px;font-size:13.5px;color:var(--gold-l);
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:999px;
  background:rgba(212,175,55,.08);border:1px dashed rgba(212,175,55,.4);
}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  margin-top:44px;background:var(--line2);
  border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;
}
.hero-stat{background:rgba(20,22,27,.86);padding:22px 20px;}
.hero-stat strong{display:block;font-size:26px;font-weight:800;color:var(--gold-l);letter-spacing:-.5px;}
.hero-stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--mute);line-height:1.55;}

/* ===== Section headings ===== */
.sec-head{max-width:820px;}
.sec-title{
  margin-top:16px;
  font-size:clamp(23px,3vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.4px;color:var(--text);
}
.sec-lead{margin-top:16px;font-size:16px;color:var(--soft);line-height:1.7;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ===== Cards / grids ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.card{
  background:linear-gradient(180deg,rgba(27,30,36,.95) 0%,rgba(17,19,23,.95) 100%);
  border:1px solid var(--line2);border-radius:var(--radius);padding:28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.42);box-shadow:var(--shadow);}
.card h3{font-size:18.5px;font-weight:700;color:var(--text);line-height:1.4;}
.card p{margin-top:11px;font-size:14.5px;color:var(--mute);line-height:1.68;}
.icon-box{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.3);
  color:var(--gold-l);font-size:18px;margin-bottom:18px;
}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.28);
}
.badge-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:rgba(212,175,55,.14);color:var(--gold-l);font-weight:800;font-size:15px;
  border:1px solid rgba(212,175,55,.3);
}

/* ===== Formula blocks ===== */
.formula-block{
  border-left:3px solid var(--gold);padding:4px 0 4px 22px;
  margin-top:34px;
}
.formula-block h3{font-size:19px;font-weight:700;line-height:1.45;}
.formula-block p{margin-top:11px;font-size:15px;color:var(--soft);line-height:1.72;}
.formula-code{
  display:inline-block;margin-top:15px;padding:13px 18px;border-radius:var(--radius-sm);
  background:rgba(212,175,55,.09);border:1px dashed rgba(212,175,55,.42);
  color:var(--gold-l);font-weight:700;font-size:14.5px;letter-spacing:.2px;
}

/* ===== Table ===== */
.table-wrap{
  margin-top:34px;border:1px solid var(--line2);border-radius:var(--radius);
  overflow-x:auto;background:rgba(17,19,23,.9);
}
table{width:100%;border-collapse:collapse;min-width:720px;}
thead th{
  background:rgba(212,175,55,.1);color:var(--gold-l);
  font-size:12.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
tbody td{
  padding:16px 18px;font-size:14.5px;color:var(--soft);
  border-bottom:1px solid var(--line2);vertical-align:top;
}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td{background:rgba(212,175,55,.05);}
.td-win{color:#4ADE80;font-weight:600;}
.td-lose{color:#F87171;font-weight:600;}
.td-half{color:var(--gold-l);font-weight:600;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:38px;}
.step{
  position:relative;padding:30px 26px 28px;
  background:linear-gradient(180deg,rgba(27,30,36,.92),rgba(15,17,20,.92));
  border:1px solid var(--line2);border-radius:var(--radius-lg);
}
.step::before{
  content:attr(data-step);position:absolute;top:-14px;left:26px;
  padding:6px 14px;border-radius:999px;
  background:var(--gold-grad);color:#1A1204;font-size:12px;font-weight:800;letter-spacing:1px;
}
.step h3{margin-top:8px;font-size:17.5px;font-weight:700;}
.step p{margin-top:11px;font-size:14.5px;color:var(--mute);line-height:1.68;}

/* ===== Chips / quick lookup ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px;}
.chip{
  padding:11px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.035);border:1px solid var(--line2);color:var(--soft);
  transition:.22s ease;cursor:pointer;
}
.chip:hover{border-color:rgba(212,175,55,.5);color:var(--gold-l);background:rgba(212,175,55,.1);}
.chip.active{background:var(--gold-grad);color:#1A1204;border-color:transparent;}

/* ===== Feature split ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.list-check li{
  display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line2);
  font-size:15px;color:var(--soft);line-height:1.65;
}
.list-check li:last-child{border-bottom:0;}
.list-check i{color:var(--gold-l);margin-top:4px;font-size:15px;}

/* ===== Stats ===== */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line2);border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;
}
.stat-cell{background:rgba(20,22,27,.94);padding:28px 22px;}
.stat-cell strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.6px;color:var(--gold-l);}
.stat-cell span{display:block;margin-top:8px;font-size:13.5px;color:var(--mute);line-height:1.6;}

/* ===== Quotes ===== */
.quote{padding:26px 0;border-top:1px solid var(--line2);}
.quote:first-child{border-top:0;}
.quote p{font-size:15.5px;color:var(--soft);line-height:1.72;font-style:italic;}
.quote footer{margin-top:14px;font-size:13.5px;color:var(--gold-l);font-weight:600;}
.quote footer span{display:block;color:var(--mute);font-weight:400;font-size:12.5px;margin-top:3px;}

/* ===== Category wall ===== */
.cat-card{
  display:block;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line2);background:var(--bg3);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(212,175,55,.5);box-shadow:var(--shadow);}
.cat-card img{width:100%;height:186px;object-fit:cover;opacity:.82;}
.cat-body{padding:24px;}
.cat-body h3{font-size:18px;font-weight:700;line-height:1.4;}
.cat-body p{margin-top:10px;font-size:14.5px;color:var(--mute);line-height:1.65;}
.cat-more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--gold-l);}

/* ===== News ===== */
.news-layout{display:grid;grid-template-columns:1.5fr .95fr;gap:34px;margin-top:36px;align-items:start;}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:20px;
  padding:20px;border:1px solid var(--line2);border-radius:var(--radius);
  background:rgba(20,22,27,.75);margin-bottom:16px;
  transition:border-color .22s ease,transform .22s ease;
}
.news-item:hover{border-color:rgba(212,175,55,.45);transform:translateX(4px);}
.news-item img{width:100%;height:112px;object-fit:cover;border-radius:var(--radius-sm);}
.news-item h3{margin-top:9px;font-size:16.5px;font-weight:700;line-height:1.45;color:var(--text);}
.news-item p{margin-top:8px;font-size:14px;color:var(--mute);line-height:1.62;}
.news-item time{display:block;margin-top:10px;font-size:12.5px;color:var(--gold-l);letter-spacing:.4px;}
.side-list{border:1px solid var(--line2);border-radius:var(--radius);padding:24px;background:rgba(20,22,27,.75);}
.side-list h3{font-size:16px;font-weight:700;color:var(--gold-l);letter-spacing:.4px;text-transform:uppercase;}
.side-list a{display:block;padding:13px 0;border-bottom:1px solid var(--line2);font-size:14.5px;color:var(--soft);transition:color .2s ease;}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--gold-l);}
.empty-note{padding:22px;border:1px dashed rgba(212,175,55,.4);border-radius:var(--radius);color:var(--mute);font-size:14.5px;}

/* ===== Guarantee ===== */
.guarantee{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:36px;
}
.guarantee-item{display:flex;gap:14px;align-items:flex-start;}
.guarantee-item i{color:var(--gold-l);font-size:19px;margin-top:3px;}
.guarantee-item strong{display:block;font-size:15px;font-weight:700;}
.guarantee-item span{display:block;margin-top:6px;font-size:13.5px;color:var(--mute);line-height:1.6;}

/* ===== Form ===== */
.form-shell{
  display:grid;grid-template-columns:1fr 1.1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(120deg,rgba(27,30,36,.95),rgba(13,15,18,.95));
}
.form-aside{padding:42px 38px;background:linear-gradient(150deg,rgba(212,175,55,.14),rgba(180,83,9,.06));}
.form-aside h2{font-size:26px;font-weight:800;line-height:1.3;letter-spacing:-.3px;}
.form-aside p{margin-top:16px;font-size:15px;color:var(--soft);line-height:1.7;}
.form-aside ul{margin-top:22px;}
.form-aside li{display:flex;gap:11px;padding:9px 0;font-size:14.5px;color:var(--soft);}
.form-aside li i{color:var(--gold-l);margin-top:4px;}
.form-body{padding:42px 38px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--mute);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line2);color:var(--text);
  font-size:14.5px;transition:border-color .2s ease,background .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:rgba(212,175,55,.07);
}
.field textarea{resize:vertical;min-height:96px;}
.form-msg{margin-top:16px;font-size:14px;color:var(--gold-l);display:none;}
.form-msg.show{display:block;}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;
  background:rgba(11,12,14,.86);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(11,12,14,.9),rgba(11,12,14,.9)),linear-gradient(135deg,#F0D97A,#B45309);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--gold-l);font-size:13.5px;font-weight:700;
  box-shadow:0 0 22px rgba(212,175,55,.35);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(212,175,55,.55);}
.fab:active{transform:translateY(0) scale(.97);}
.fab .dot{
  position:absolute;top:4px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(11,12,14,.9);
  animation:dotPulse 1.8s ease-in-out infinite;
}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ===== Footer ===== */
.site-footer{background:#08090B;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--mute);line-height:1.7;max-width:340px;}
.footer-col h4{font-size:12.5px;font-weight:700;letter-spacing:1.3px;text-transform:uppercase;color:var(--gold-l);}
.footer-col a{display:block;padding:8px 0;font-size:14px;color:var(--mute);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold-l);padding-left:5px;}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line2);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(212,175,55,.5);color:var(--gold-l);font-size:11.5px;font-weight:800;
}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-wrap{justify-content:space-between;}
  .nav-actions{margin-left:auto;}
  .split{grid-template-columns:1fr;gap:30px;}
  .news-layout{grid-template-columns:1fr;}
  .form-shell{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  section{padding:58px 0;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-strip{grid-template-columns:1fr;}
  .hero-burst{width:82px;height:82px;font-size:10px;top:56px;right:14px;}
  .hero-burst strong{font-size:17px;}
  .hero-inner{padding:72px 20px 56px;}
  .brand-text em{display:none;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .btn{padding:13px 20px;font-size:14.5px;width:100%;}
  .hero-cta{flex-direction:column;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{height:170px;}
  .grid-4,.stat-band,.guarantee{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-aside,.form-body{padding:30px 22px;}
  .btn-login{padding:9px 11px;font-size:12.5px;}
  .btn-signup{padding:10px 14px;font-size:12.5px;}
  .brand-text strong{font-size:13px;}
  .fab{left:12px;bottom:84px;padding:12px 16px;font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0C0E;
  --bg2:#14161B;
  --bg3:#1B1E24;
  --gold:#D4AF37;
  --gold-l:#F0D97A;
  --gold-d:#B45309;
  --text:#F5F5F7;
  --soft:#CBD5E1;
  --mute:#A8A29E;
  --line:rgba(212,175,55,.18);
  --line2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.95);
  --gold-grad:linear-gradient(135deg,#F7E7A6 0%,#D4AF37 45%,#B45309 100%);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
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;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
section{position:relative;padding:76px 0;}
.section-alt{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-deep{background:linear-gradient(180deg,#0B0C0E 0%,#14161B 60%,#0B0C0E 100%);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,14,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:var(--gold-grad);
  color:#1A1204;font-weight:800;font-size:13px;letter-spacing:-.4px;
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(212,175,55,.75);
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;text-transform:uppercase;color:var(--mute);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 13px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--soft);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--gold-l);background:rgba(212,175,55,.09);}
.nav-link.active{color:var(--gold-l);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.btn-login{
  padding:10px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  color:var(--gold-l);border:1px solid rgba(212,175,55,.42);
  background:transparent;transition:.22s ease;
}
.btn-login:hover{background:rgba(212,175,55,.12);border-color:var(--gold);}
.btn-signup{
  padding:11px 18px;border-radius:11px;font-size:13.5px;font-weight:700;
  color:#1A1204;background:var(--gold-grad);
  box-shadow:0 12px 28px -14px rgba(212,175,55,.85);
  transition:transform .2s ease,filter .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-signup:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--gold-l);font-size:17px;cursor:pointer;
}
.nav-drawer{display:none;border-top:1px solid var(--line2);background:rgba(20,22,27,.98);padding:12px 20px 20px;}
.nav-drawer.open{display:block;}
.nav-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--soft);border-bottom:1px solid var(--line2);}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--gold-l);font-weight:600;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.1px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{background:var(--gold-grad);color:#1A1204;box-shadow:0 16px 34px -16px rgba(212,175,55,.9);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 42px -16px rgba(212,175,55,1);}
.btn-gold:active{transform:translateY(-1px);}
.btn-outline{background:rgba(255,255,255,.03);color:var(--gold-l);border-color:rgba(212,175,55,.45);}
.btn-outline:hover{background:rgba(212,175,55,.12);transform:translateY(-3px);}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:12px;}
.btn:focus-visible,.nav-link:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--gold-l);outline-offset:3px;
}

/* ===== Page hero (banner ngắn, bố cục lệch) ===== */
.page-hero{padding:0;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;filter:saturate(.8);}
.page-hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,8,10,.97) 0%,rgba(10,11,14,.92) 48%,rgba(16,18,23,.78) 100%);}
.page-hero-inner{position:relative;padding:44px 20px 54px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--mute);margin-bottom:22px;}
.crumb a{color:var(--soft);transition:color .2s ease;}
.crumb a:hover{color:var(--gold-l);}
.crumb i{font-size:9px;color:rgba(212,175,55,.6);}
.eyebrow{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.32);
}
.page-title{
  margin-top:18px;max-width:860px;
  font-size:clamp(26px,3.9vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(120deg,#FFFFFF 0%,#F7E7A6 58%,#D4AF37 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{margin-top:18px;max-width:720px;font-size:16px;line-height:1.7;color:var(--soft);}
.hero-flex{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:38px;align-items:start;margin-top:6px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--soft);background:rgba(255,255,255,.04);border:1px solid var(--line2);
}
.tag i{color:var(--gold);font-size:11px;}
.quick-panel{
  background:linear-gradient(160deg,rgba(27,30,36,.96),rgba(15,17,21,.96));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow);
}
.quick-panel h2{font-size:13px;letter-spacing:1.1px;text-transform:uppercase;color:var(--gold-l);font-weight:700;}
.quick-rows{margin-top:16px;display:grid;gap:2px;}
.quick-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 2px;border-bottom:1px dashed var(--line2);
}
.quick-row:last-child{border-bottom:0;}
.quick-row span{font-size:13.5px;color:var(--soft);}
.quick-row strong{font-size:14.5px;font-weight:700;color:var(--text);white-space:nowrap;}
.quick-row strong.gold{color:var(--gold-l);}
.quick-note{margin-top:16px;font-size:12.5px;color:var(--mute);line-height:1.6;}

/* ===== Section head ===== */
.section-head{max-width:760px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);
}
.kicker::before{content:"";width:26px;height:2px;background:var(--gold-grad);border-radius:2px;}
.section-title{margin-top:14px;font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.3px;color:var(--text);}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.7;color:var(--soft);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;}

/* ===== Formula cards ===== */
.formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:38px;}
.formula-card{
  background:linear-gradient(165deg,rgba(27,30,36,.92),rgba(14,16,20,.92));
  border:1px solid var(--line2);border-radius:var(--radius);
  padding:26px 22px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.formula-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:0 26px 50px -30px rgba(212,175,55,.55);}
.formula-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.3);
  color:var(--gold-l);font-size:18px;
}
.formula-card h3{margin-top:18px;font-size:18px;font-weight:700;color:var(--text);}
.formula-card p{margin-top:10px;font-size:14.5px;line-height:1.7;color:var(--soft);}
.formula-code{
  margin-top:16px;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(11,12,14,.85);border:1px dashed rgba(212,175,55,.28);
  font-size:13.5px;font-weight:600;color:var(--gold-l);line-height:1.6;
}
.result-tag{
  display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.4px;
  background:rgba(212,175,55,.12);color:var(--gold-l);border:1px solid rgba(212,175,55,.3);
}
.result-tag.red{background:rgba(220,38,38,.12);color:#FCA5A5;border-color:rgba(220,38,38,.32);}

/* ===== Examples ===== */
.example-list{margin-top:36px;display:grid;gap:16px;}
.example-item{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:26px;align-items:center;
  background:rgba(255,255,255,.02);border:1px solid var(--line2);
  border-left:3px solid rgba(212,175,55,.55);
  border-radius:var(--radius);padding:24px 26px;
  transition:border-color .25s ease,background .25s ease;
}
.example-item:hover{border-left-color:var(--gold);background:rgba(212,175,55,.045);}
.example-item h3{font-size:17.5px;font-weight:700;color:var(--text);}
.example-item p{margin-top:9px;font-size:14.5px;line-height:1.7;color:var(--soft);}
.example-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.meta-chip{
  font-size:12px;font-weight:600;color:var(--soft);
  padding:5px 11px;border-radius:8px;background:rgba(255,255,255,.04);border:1px solid var(--line2);
}
.payout{
  text-align:right;padding-left:22px;border-left:1px dashed var(--line2);
}
.payout em{display:block;font-style:normal;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:var(--mute);}
.payout strong{display:block;margin-top:6px;font-size:24px;font-weight:800;color:var(--gold-l);letter-spacing:-.5px;}
.payout span{display:block;margin-top:6px;font-size:12.5px;color:var(--mute);}

/* ===== Table ===== */
.table-wrap{margin-top:34px;overflow-x:auto;border:1px solid var(--line2);border-radius:var(--radius);background:rgba(255,255,255,.02);}
table.money{width:100%;border-collapse:collapse;min-width:660px;}
table.money thead th{
  background:rgba(212,175,55,.09);color:var(--gold-l);
  font-size:12.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.money tbody td{
  padding:15px 18px;font-size:14.5px;color:var(--soft);
  border-bottom:1px solid var(--line2);white-space:nowrap;
}
table.money tbody tr:last-child td{border-bottom:0;}
table.money tbody tr:hover td{background:rgba(212,175,55,.05);}
table.money td.strong{color:var(--text);font-weight:700;}
table.money td.gold{color:var(--gold-l);font-weight:700;}
.table-note{margin-top:14px;font-size:13px;color:var(--mute);line-height:1.65;}
.convert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:30px;}
.convert-card{
  padding:20px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.025);border:1px solid var(--line2);
}
.convert-card h4{font-size:14.5px;font-weight:700;color:var(--gold-l);}
.convert-card p{margin-top:8px;font-size:13.8px;line-height:1.65;color:var(--soft);}

/* ===== Scenarios ===== */
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:36px;}
.scenario{
  border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line2);
  background:linear-gradient(165deg,rgba(27,30,36,.9),rgba(13,15,18,.9));
}
.scenario.yes{border-top:3px solid rgba(16,185,129,.7);}
.scenario.no{border-top:3px solid rgba(239,68,68,.7);}
.scenario h3{font-size:17.5px;font-weight:700;display:flex;align-items:center;gap:10px;}
.scenario.yes h3 i{color:#34D399;}
.scenario.no h3 i{color:#F87171;}
.scenario ul{margin-top:16px;display:grid;gap:12px;}
.scenario li{
  position:relative;padding-left:24px;font-size:14.5px;line-height:1.68;color:var(--soft);
}
.scenario li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(212,175,55,.12);
}
.scenario.no li::before{background:#EF4444;box-shadow:0 0 0 4px rgba(239,68,68,.12);}

/* ===== Capital ===== */
.capital-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:36px;}
.capital-card{
  padding:24px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,.025);border:1px solid var(--line2);
  transition:transform .25s ease,border-color .25s ease;
}
.capital-card:hover{transform:translateY(-4px);border-color:var(--line);}
.capital-card em{font-style:normal;font-size:11.5px;letter-spacing:1.1px;text-transform:uppercase;color:var(--mute);}
.capital-card strong{display:block;margin-top:10px;font-size:22px;font-weight:800;color:var(--gold-l);letter-spacing:-.4px;}
.capital-card p{margin-top:10px;font-size:13.8px;line-height:1.65;color:var(--soft);}
.mistake-list{margin-top:34px;display:grid;gap:14px;}
.mistake{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;align-items:start;
  padding:20px 22px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);border:1px solid var(--line2);
}
.mistake span{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.28);
  color:#FCA5A5;font-weight:800;font-size:15px;
}
.mistake h4{font-size:15.5px;font-weight:700;color:var(--text);}
.mistake p{margin-top:7px;font-size:14.2px;line-height:1.68;color:var(--soft);}

/* ===== Testimonials + stats ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:34px;}
.stat{
  padding:22px 20px;border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(27,30,36,.9),rgba(13,15,18,.9));
  border:1px solid var(--line2);
}
.stat strong{display:block;font-size:26px;font-weight:800;color:var(--gold-l);letter-spacing:-.6px;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--mute);line-height:1.55;}
.testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:30px;}
.testi{
  padding:24px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.025);border:1px solid var(--line2);
  display:flex;flex-direction:column;gap:14px;
}
.testi .stars{color:var(--gold);font-size:12.5px;letter-spacing:2px;}
.testi p{font-size:14.3px;line-height:1.7;color:var(--soft);}
.testi .who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line2);}
.testi .avatar{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:14px;
}
.testi .who b{display:block;font-size:14px;color:var(--text);font-weight:700;}
.testi .who i{display:block;font-style:normal;font-size:12px;color:var(--mute);}

/* ===== CMS list ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px;}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(27,30,36,.9),rgba(13,15,18,.9));
  border:1px solid var(--line2);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:0 26px 48px -30px rgba(212,175,55,.5);}
.post-cat{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);
  border:1px solid rgba(212,175,55,.28);border-radius:999px;padding:5px 11px;
}
.post-card h3{font-size:16.5px;font-weight:700;line-height:1.45;color:var(--text);}
.post-card p{font-size:14px;line-height:1.68;color:var(--soft);}
.post-time{margin-top:auto;padding-top:14px;border-top:1px solid var(--line2);font-size:12.5px;color:var(--mute);}
.empty-note{padding:26px;border-radius:var(--radius-sm);border:1px dashed var(--line);color:var(--mute);font-size:14px;}

/* ===== FAQ ===== */
.faq-wrap{margin-top:34px;display:grid;gap:12px;max-width:900px;}
details.faq{
  border:1px solid var(--line2);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);overflow:hidden;transition:border-color .25s ease;
}
details.faq[open]{border-color:var(--line);background:rgba(212,175,55,.04);}
details.faq summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-size:15.5px;font-weight:600;color:var(--text);
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--gold);
}
details.faq[open] summary::after{content:"\f068";}
details.faq .faq-body{padding:0 20px 20px;font-size:14.5px;line-height:1.72;color:var(--soft);}
details.faq summary:focus-visible{outline:2px solid var(--gold-l);outline-offset:-2px;}

/* ===== CTA band ===== */
.cta-band{padding:66px 0;}
.cta-box{
  position:relative;overflow:hidden;text-align:center;
  border-radius:var(--radius-lg);padding:52px 28px;
  background:linear-gradient(140deg,rgba(212,175,55,.14),rgba(20,22,27,.96) 55%,rgba(180,83,9,.18));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-box h2{font-size:clamp(22px,2.7vw,32px);font-weight:800;letter-spacing:-.4px;color:var(--text);}
.cta-box p{margin:16px auto 0;max-width:660px;font-size:15.5px;line-height:1.7;color:var(--soft);}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;justify-content:center;margin-top:28px;}

/* ===== Footer ===== */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);padding:62px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--mute);max-width:380px;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;color:var(--gold-l);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--soft);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--gold-l);transform:translateX(3px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line2);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.8px;color:var(--mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(212,175,55,.45);color:var(--gold-l);font-size:11px;font-weight:800;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 13px;border-radius:999px;
  background:rgba(11,12,14,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(11,12,14,.9),rgba(11,12,14,.9)),linear-gradient(120deg,#D4AF37,#F0D97A,#B45309);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(212,175,55,.35);
  opacity:.8;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  min-height:48px;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(212,175,55,.55);}
.fab:active{transform:translateY(0) scale(.97);}
.fab-ic{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-size:13px;
}
.fab-tx{font-size:13px;font-weight:700;color:var(--gold-l);white-space:nowrap;}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(11,12,14,.95);
  animation:fabPulse 1.9s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions{margin-left:10px;}
  .hero-flex{grid-template-columns:minmax(0,1fr);gap:28px;}
  .formula-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .capital-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .testi-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .convert-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  section{padding:56px 0;}
  .page-hero-inner{padding:32px 20px 44px;}
  .example-item{grid-template-columns:minmax(0,1fr);gap:18px;padding:22px 20px;}
  .payout{text-align:left;padding-left:0;padding-top:16px;border-left:0;border-top:1px dashed var(--line2);}
  .scenario-grid{grid-template-columns:minmax(0,1fr);}
  .testi-grid{grid-template-columns:minmax(0,1fr);}
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .cta-box{padding:40px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .btn-login{padding:9px 11px;font-size:12.5px;}
  .btn-signup{padding:10px 14px;font-size:12.5px;}
  .formula-grid{grid-template-columns:minmax(0,1fr);}
  .capital-grid{grid-template-columns:minmax(0,1fr);}
  .stat-strip{grid-template-columns:minmax(0,1fr);}
  .convert-grid{grid-template-columns:minmax(0,1fr);}
  .mistake{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px;}
  .fab-tx{display:none;}
  .fab{padding:12px;bottom:88px;}
}

/* roulang page: article */
:root{
  --bg:#0B0C0E;
  --bg2:#14161B;
  --bg3:#1B1E24;
  --gold:#D4AF37;
  --gold-l:#F0D97A;
  --gold-d:#B45309;
  --text:#F5F5F7;
  --soft:#CBD5E1;
  --mute:#A8A29E;
  --line:rgba(212,175,55,.18);
  --line2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.95);
  --gold-grad:linear-gradient(135deg,#F7E7A6 0%,#D4AF37 45%,#B45309 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
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,h5{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.3px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
section{position:relative;padding:76px 0;}
section[id]{scroll-margin-top:96px;}
.section-alt{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-deep{background:linear-gradient(180deg,#0B0C0E 0%,#14161B 60%,#0B0C0E 100%);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,14,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:var(--gold-grad);
  color:#1A1204;font-weight:800;font-size:13px;letter-spacing:-.4px;
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(212,175,55,.75);
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;text-transform:uppercase;color:var(--mute);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 13px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--soft);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--gold-l);background:rgba(212,175,55,.09);}
.nav-link.active{color:var(--gold-l);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.btn-login{
  padding:10px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  color:var(--gold-l);border:1px solid rgba(212,175,55,.42);
  background:transparent;transition:.22s ease;
}
.btn-login:hover{background:rgba(212,175,55,.12);border-color:var(--gold);}
.btn-signup{
  padding:11px 18px;border-radius:11px;font-size:13.5px;font-weight:700;
  color:#1A1204;background:var(--gold-grad);
  box-shadow:0 12px 28px -14px rgba(212,175,55,.85);
  transition:transform .2s ease,filter .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-signup:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--gold-l);font-size:17px;cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line2);background:rgba(20,22,27,.98);
  padding:12px 20px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:var(--soft);
  border-bottom:1px solid var(--line2);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--gold-l);font-weight:600;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.1px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{background:var(--gold-grad);color:#1A1204;box-shadow:0 16px 34px -16px rgba(212,175,55,.9);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 42px -16px rgba(212,175,55,1);}
.btn-gold:active{transform:translateY(-1px);}
.btn-outline{background:rgba(255,255,255,.03);color:var(--gold-l);border-color:rgba(212,175,55,.45);}
.btn-outline:hover{background:rgba(212,175,55,.12);transform:translateY(-3px);}
.btn:focus-visible,.nav-link:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible,.fab:focus-visible{
  outline:2px solid var(--gold-l);outline-offset:3px;
}

/* ===== Hero ===== */
.hero{padding:0;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.85);}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,7,9,.97) 0%,rgba(8,9,12,.9) 46%,rgba(12,14,18,.72) 100%);}
.hero-inner{position:relative;padding:64px 20px 62px;max-width:1180px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--mute);margin-bottom:20px;}
.crumb a{color:var(--soft);transition:color .2s ease;}
.crumb a:hover{color:var(--gold-l);}
.crumb i{font-size:10px;color:var(--gold);opacity:.7;}
.crumb span.current{color:var(--gold-l);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.eyebrow{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.32);
}
.hero-title{
  margin-top:20px;max-width:900px;
  font-size:clamp(26px,4.2vw,48px);line-height:1.22;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#FFFFFF 0%,#F7E7A6 55%,#D4AF37 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;max-width:780px;font-size:16.5px;line-height:1.7;color:var(--soft);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:11px;font-size:13px;color:var(--soft);
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
}
.meta-chip i{color:var(--gold);font-size:12px;}
.hero-stats{
  position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:34px;max-width:760px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--line);
}
.hero-stats div{background:rgba(11,12,14,.72);padding:16px 18px;}
.hero-stats strong{display:block;font-size:20px;font-weight:800;color:var(--gold-l);letter-spacing:-.5px;}
.hero-stats span{font-size:12.5px;color:var(--mute);letter-spacing:.3px;}

/* ===== Section heads ===== */
.sec-head{max-width:780px;margin-bottom:34px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
.sec-tag::before{content:"";width:26px;height:1px;background:var(--gold-grad);display:inline-block;}
.sec-title{font-size:clamp(22px,3vw,34px);font-weight:800;letter-spacing:-.5px;}
.sec-desc{margin-top:14px;font-size:16px;line-height:1.7;color:var(--soft);}

/* ===== Article layout ===== */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start;}
.article-main{min-width:0;max-width:760px;}
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:18px;}
.side-box{
  border:1px solid var(--line2);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  padding:22px;
}
.side-box h3{font-size:14px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--gold-l);margin-bottom:14px;}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:14.5px;color:var(--soft);
  border-bottom:1px dashed var(--line2);transition:color .2s ease,padding-left .2s ease;
}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--gold-l);padding-left:5px;}
.side-list a i{color:var(--gold);font-size:11px;margin-top:6px;}
.side-note{font-size:13.5px;color:var(--mute);line-height:1.65;}
.side-formula{
  font-size:13.5px;color:var(--gold-l);line-height:1.6;
  background:rgba(212,175,55,.07);border:1px dashed rgba(212,175,55,.3);
  border-radius:var(--radius-sm);padding:13px 15px;margin-top:12px;
}
.feature-figure{margin:0 0 34px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line2);}
.feature-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-figure figcaption{padding:12px 16px;font-size:13px;color:var(--mute);background:rgba(255,255,255,.02);}

/* ===== CMS content typography ===== */
.article-content{font-size:16.5px;line-height:1.75;color:var(--soft);}
.article-content > * + *{margin-top:18px;}
.article-content h2{
  font-size:clamp(21px,2.6vw,28px);font-weight:800;color:var(--text);
  letter-spacing:-.4px;margin-top:38px;padding-left:16px;border-left:3px solid var(--gold);
}
.article-content h3{font-size:19px;font-weight:700;color:var(--gold-l);margin-top:28px;}
.article-content h4{font-size:17px;font-weight:700;color:var(--text);margin-top:22px;}
.article-content p{color:var(--soft);}
.article-content strong{color:var(--text);font-weight:700;}
.article-content em{color:var(--gold-l);font-style:italic;}
.article-content a{color:var(--gold-l);border-bottom:1px solid rgba(212,175,55,.4);}
.article-content a:hover{border-bottom-color:var(--gold-l);}
.article-content ul,.article-content ol{margin-top:16px;padding-left:0;}
.article-content ul li{position:relative;padding-left:24px;margin-bottom:11px;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--gold-grad);
}
.article-content ol{counter-reset:olc;}
.article-content ol li{position:relative;padding-left:34px;margin-bottom:11px;counter-increment:olc;}
.article-content ol li::before{
  content:counter(olc);position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#1A1204;background:var(--gold-grad);
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--gold);
  background:rgba(212,175,55,.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--gold-l);font-size:16px;
}
.article-content img{border-radius:var(--radius);border:1px solid var(--line2);margin:22px 0;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line2);text-align:left;}
.article-content th{background:rgba(212,175,55,.08);color:var(--gold-l);font-weight:700;}
.article-content hr{border:0;height:1px;background:var(--line2);margin:30px 0;}

/* ===== Empty state ===== */
.empty-state{
  border:1px dashed rgba(212,175,55,.35);border-radius:var(--radius);
  padding:46px 28px;text-align:center;background:rgba(212,175,55,.04);
}
.empty-state i{font-size:32px;color:var(--gold);margin-bottom:14px;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;}
.empty-state p{color:var(--soft);margin-bottom:20px;}

/* ===== Cards / grid ===== */
.grid{display:grid;gap:22px;}
.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{
  border:1px solid var(--line2);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  padding:26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.38);box-shadow:var(--shadow);}
.card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px;}
.card p{font-size:15px;color:var(--soft);line-height:1.7;}
.num-badge{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:16px;margin-bottom:16px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.3);
}
.pill.green{color:#86EFAC;background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.3);}
.pill.red{color:#FCA5A5;background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);}
.divider{height:1px;background:var(--line2);margin:26px 0;}

/* ===== Outcome blocks ===== */
.outcome{border-left:3px solid var(--gold);padding-left:22px;}
.outcome .outcome-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.outcome h3{font-size:18px;font-weight:700;}
.formula{
  margin-top:14px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(11,12,14,.7);border:1px dashed rgba(212,175,55,.32);
  font-size:14.5px;color:var(--gold-l);line-height:1.6;
}

/* ===== Tables ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line2);border-radius:var(--radius);background:rgba(255,255,255,.02);}
table.data{width:100%;border-collapse:collapse;min-width:620px;}
table.data th,table.data td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line2);}
table.data th{
  background:rgba(212,175,55,.08);color:var(--gold-l);font-weight:700;
  font-size:12.5px;text-transform:uppercase;letter-spacing:.7px;white-space:nowrap;
}
table.data td strong{color:var(--gold-l);font-weight:700;}
table.data tbody tr:hover{background:rgba(255,255,255,.03);}
table.data tbody tr:last-child td{border-bottom:0;}
.cell-sub{display:block;font-size:12.5px;color:var(--mute);margin-top:2px;}

/* ===== Example list ===== */
.example{border:1px solid var(--line2);border-radius:var(--radius);padding:26px;background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.01));}
.example-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
.example-head h3{font-size:18px;font-weight:700;}
.example-line{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line2);font-size:15px;color:var(--soft);}
.example-line:last-child{border-bottom:0;}
.example-line b{color:var(--gold-l);font-weight:700;white-space:nowrap;}

/* ===== Tips list ===== */
.tip-list{display:flex;flex-direction:column;gap:16px;}
.tip{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line2);border-radius:var(--radius-sm);background:rgba(255,255,255,.02);}
.tip i{color:var(--gold);font-size:16px;margin-top:4px;}
.tip h3{font-size:16.5px;font-weight:700;color:var(--text);margin-bottom:6px;}
.tip p{font-size:14.5px;color:var(--soft);line-height:1.7;}

/* ===== Stats ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;}
.stat-strip div{background:var(--bg2);padding:24px 20px;}
.stat-strip strong{display:block;font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--gold-l);letter-spacing:-.8px;}
.stat-strip span{font-size:13px;color:var(--mute);}

/* ===== Reviews ===== */
.review{display:flex;flex-direction:column;gap:14px;}
.review .stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
.review p{font-size:15px;color:var(--soft);line-height:1.7;}
.review .who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.review .who img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--line);}
.review .who b{display:block;font-size:14.5px;color:var(--text);font-weight:700;}
.review .who span{font-size:12.5px;color:var(--mute);}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--line2);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(212,175,55,.35);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:600;font-size:15.5px;color:var(--text);
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;line-height:1;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open]{background:rgba(212,175,55,.045);border-color:rgba(212,175,55,.3);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.75;color:var(--soft);}

/* ===== Calculator / CTA ===== */
.cta-band{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(212,175,55,.12),rgba(20,22,27,.9) 55%);
  padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.5px;}
.cta-band p{margin-top:14px;font-size:15.5px;color:var(--soft);line-height:1.7;}
.calc{background:rgba(11,12,14,.82);border:1px solid var(--line2);border-radius:var(--radius);padding:24px;}
.calc label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--mute);margin-bottom:8px;}
.calc .field{margin-bottom:16px;}
.calc input{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line2);
  font-size:15px;color:var(--text);transition:border-color .2s ease,background .2s ease;
}
.calc input:focus{outline:none;border-color:var(--gold);background:rgba(212,175,55,.08);}
.calc .calc-out{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.calc .row{display:flex;justify-content:space-between;gap:14px;padding:11px 14px;border-radius:var(--radius-sm);background:rgba(255,255,255,.03);font-size:14px;color:var(--soft);}
.calc .row b{color:var(--gold-l);font-weight:700;}
.calc .row.win b{color:#86EFAC;}
.calc .row.half b{color:var(--gold-l);}
.calc .row.lose b{color:#FCA5A5;}

/* ===== Trust row ===== */
.trust-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-item{
  display:inline-flex;align-items:center;gap:10px;padding:11px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line2);background:rgba(255,255,255,.03);font-size:13.5px;color:var(--soft);
}
.trust-item i{color:var(--gold);}

/* ===== Footer ===== */
.site-footer{background:#08090B;border-top:1px solid var(--line);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;color:var(--mute);line-height:1.7;max-width:380px;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;color:var(--gold-l);margin-bottom:16px;}
.footer-col a{display:block;padding:7px 0;font-size:14.5px;color:var(--soft);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold-l);padding-left:5px;}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line2);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-size:12px;font-weight:800;color:#1A1204;background:var(--gold-grad);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:12px 18px;border-radius:999px;
  background:rgba(11,12,14,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(212,175,55,.5);
  box-shadow:0 0 22px rgba(212,175,55,.32);
  color:var(--gold-l);font-size:13px;font-weight:700;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  opacity:.82;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 30px rgba(212,175,55,.55);}
.fab:active{transform:translateY(1px) scale(.97);}
.fab-icon{display:grid;place-items:center;font-size:15px;}
.fab-dot{
  position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 3px rgba(11,12,14,.9);
  animation:dotPulse 1.8s ease-in-out infinite;
}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{margin-left:auto;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .article-side{position:static;}
  .article-main{max-width:none;}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:34px;}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:1fr;}
}
@media (max-width:768px){
  section{padding:56px 0;}
  .hero-inner{padding:44px 20px 48px;}
  .btn-login{padding:9px 11px;font-size:12.5px;}
  .btn-signup{padding:10px 13px;font-size:12.5px;}
  .brand-text strong{font-size:13.5px;}
  .g-2,.g-3,.g-4{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-wrap{gap:10px;min-height:68px;}
  .brand-mark{width:38px;height:38px;border-radius:11px;font-size:12px;}
  .brand-text em{display:none;}
  .hero-title{font-size:23px;}
  .hero-lead{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .fab{bottom:84px;left:12px;padding:10px 14px;font-size:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0C0E;
  --bg2:#14161B;
  --bg3:#1B1E24;
  --gold:#D4AF37;
  --gold-l:#F0D97A;
  --gold-d:#B45309;
  --text:#F5F5F7;
  --soft:#CBD5E1;
  --mute:#A8A29E;
  --line:rgba(212,175,55,.18);
  --line2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.95);
  --gold-grad:linear-gradient(135deg,#F7E7A6 0%,#D4AF37 45%,#B45309 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
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,p,figure{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
section{position:relative;padding:76px 0;}
.section-alt{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-deep{background:linear-gradient(180deg,#0B0C0E 0%,#14161B 60%,#0B0C0E 100%);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,14,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:var(--gold-grad);
  color:#1A1204;font-weight:800;font-size:13px;letter-spacing:-.4px;
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(212,175,55,.75);
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;text-transform:uppercase;color:var(--mute);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 13px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--soft);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--gold-l);background:rgba(212,175,55,.09);}
.nav-link.active{color:var(--gold-l);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.btn-login{
  padding:10px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  color:var(--gold-l);border:1px solid rgba(212,175,55,.42);
  background:transparent;transition:.22s ease;white-space:nowrap;
}
.btn-login:hover{background:rgba(212,175,55,.12);border-color:var(--gold);}
.btn-signup{
  padding:11px 18px;border-radius:11px;font-size:13.5px;font-weight:700;
  color:#1A1204;background:var(--gold-grad);
  box-shadow:0 12px 28px -14px rgba(212,175,55,.85);
  transition:transform .2s ease,filter .2s ease;white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-signup:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--gold-l);font-size:17px;cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line2);background:rgba(20,22,27,.98);
  padding:12px 20px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:var(--soft);
  border-bottom:1px solid var(--line2);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--gold-l);font-weight:600;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.1px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{background:var(--gold-grad);color:#1A1204;box-shadow:0 16px 34px -16px rgba(212,175,55,.9);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 42px -16px rgba(212,175,55,1);}
.btn-gold:active{transform:translateY(-1px);}
.btn-outline{background:rgba(255,255,255,.03);color:var(--gold-l);border-color:rgba(212,175,55,.45);}
.btn-outline:hover{background:rgba(212,175,55,.12);transform:translateY(-3px);}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:12px;}
.btn:focus-visible,.nav-link:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--gold-l);outline-offset:3px;
}

/* ===== Hero ===== */
.hero{padding:0;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.85);}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,7,9,.97) 0%,rgba(8,9,12,.92) 46%,rgba(12,14,18,.74) 100%);}
.hero-inner{position:relative;padding:34px 20px 78px;max-width:1180px;}
.flash-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:11px 16px;border-radius:999px;
  background:rgba(20,22,27,.82);
  border:1px solid rgba(212,175,55,.35);
  box-shadow:0 14px 34px -22px rgba(212,175,55,.9);
  font-size:13.5px;color:var(--soft);
}
.flash-label{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  background:var(--gold-grad);color:#1A1204;
  font-size:11.5px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;
}
.flash-text{font-weight:500;}
.countdown{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--gold-l);}
.count-num{
  display:inline-grid;place-items:center;min-width:38px;padding:5px 8px;border-radius:9px;
  background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.3);
  font-variant-numeric:tabular-nums;font-size:14px;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;margin-top:44px;}
.eyebrow{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.32);
}
.hero-title{
  margin-top:20px;
  font-size:clamp(27px,4.4vw,48px);line-height:1.2;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#FFFFFF 0%,#F7E7A6 55%,#D4AF37 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;max-width:700px;font-size:16.5px;line-height:1.7;color:var(--soft);}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}
.hero-note{
  margin-top:20px;font-size:13.5px;color:var(--gold-l);
  display:inline-flex;align-items:flex-start;gap:9px;line-height:1.6;
  padding:11px 16px;border-radius:14px;
  background:rgba(212,175,55,.08);border:1px solid rgba(212,175,55,.22);
}
.pick-card{
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(27,30,36,.95) 0%,rgba(11,12,14,.98) 100%);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:26px 24px;
}
.pick-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.pick-badge{
  padding:6px 12px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:1px;
  text-transform:uppercase;background:var(--gold-grad);color:#1A1204;
}
.pick-time{font-size:12px;color:var(--mute);}
.pick-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line2);font-size:14.5px;color:var(--soft);}
.pick-row strong{font-size:18px;color:var(--gold-l);font-weight:800;}
.pick-divider{height:1px;background:var(--line);margin:14px 0 16px;}
.pick-list li{position:relative;padding-left:22px;margin-bottom:10px;font-size:14.5px;color:var(--soft);}
.pick-list li::before{content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;color:var(--gold);font-size:12px;}
.pick-list strong{color:var(--text);}
.pick-btn{width:100%;margin-top:18px;}

/* ===== Section heads ===== */
.sec-tag{
  display:inline-block;padding:6px 13px;border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.28);
  margin-bottom:16px;
}
.sec-title{font-size:clamp(23px,3vw,35px);line-height:1.25;font-weight:800;letter-spacing:-.4px;color:var(--text);}
.sec-title span{color:var(--gold-l);}
.sec-sub{margin-top:14px;font-size:15.5px;line-height:1.7;color:var(--soft);max-width:780px;}
.sec-head{margin-bottom:44px;max-width:840px;}

/* ===== Why section ===== */
.why-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start;}
.why-copy p{margin-top:16px;font-size:15.5px;line-height:1.7;color:var(--soft);}
.list-check{margin-top:24px;display:grid;gap:12px;}
.list-check li{position:relative;padding-left:30px;font-size:15px;line-height:1.65;color:var(--soft);}
.list-check li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;font-size:10px;color:#1A1204;background:var(--gold-grad);
}
.list-check strong{color:var(--text);font-weight:700;}
.why-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.why-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;}
.stat-card{
  padding:22px 20px;border-radius:var(--radius);
  background:rgba(27,30,36,.72);border:1px solid var(--line2);
  transition:border-color .25s ease,transform .25s ease;
}
.stat-card:hover{border-color:rgba(212,175,55,.45);transform:translateY(-4px);}
.stat-card b{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--gold-l);letter-spacing:-.5px;}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;line-height:1.6;color:var(--mute);}

/* ===== Signal cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.signal-card{
  position:relative;padding:26px 24px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(27,30,36,.9),rgba(11,12,14,.92));
  border:1px solid var(--line2);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.signal-card:hover{transform:translateY(-6px);border-color:rgba(212,175,55,.5);box-shadow:0 24px 46px -30px rgba(212,175,55,.8);}
.signal-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.signal-card h3{font-size:17px;font-weight:700;line-height:1.4;color:var(--text);}
.signal-card p{margin-top:10px;font-size:14.5px;line-height:1.68;color:var(--soft);}
.signal-card .tagline{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--gold);}

/* ===== Process + calculator ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step-item{
  padding:24px 20px;border-radius:var(--radius);
  background:rgba(20,22,27,.85);border:1px solid var(--line2);
  border-left:3px solid rgba(212,175,55,.55);
}
.step-item b{display:block;font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold);margin-bottom:10px;}
.step-item h3{font-size:16px;font-weight:700;line-height:1.45;}
.step-item p{margin-top:9px;font-size:14px;line-height:1.65;color:var(--soft);}
.calc-panel{
  margin-top:44px;display:grid;grid-template-columns:.9fr 1.1fr;gap:0;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg3);
  box-shadow:var(--shadow);
}
.calc-form{padding:30px 28px;background:rgba(11,12,14,.72);border-right:1px solid var(--line2);}
.calc-form h3{font-size:19px;font-weight:800;line-height:1.35;}
.calc-form p{margin-top:9px;font-size:14px;color:var(--mute);line-height:1.65;}
.field{margin-top:18px;}
.field label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--gold-l);margin-bottom:8px;}
.field input{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--text);font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,background .2s ease;
}
.field input:focus{outline:none;border-color:var(--gold);background:rgba(212,175,55,.07);}
.calc-form .btn{width:100%;margin-top:22px;}
.calc-result{padding:30px 28px;display:grid;gap:14px;align-content:center;}
.result-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(27,30,36,.85);border:1px solid var(--line2);
}
.result-row .r-label{font-size:14px;color:var(--soft);line-height:1.5;}
.result-row .r-label em{display:block;font-style:normal;font-size:12px;color:var(--mute);margin-top:3px;}
.result-row .r-value{font-size:17px;font-weight:800;color:var(--gold-l);white-space:nowrap;font-variant-numeric:tabular-nums;}
.result-row.lose .r-value{color:#F87171;}
.calc-note{margin-top:6px;font-size:12.5px;color:var(--mute);line-height:1.6;}

/* ===== Mistakes ===== */
.mistake-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start;}
.mistake-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);}
.mistake-media img{width:100%;aspect-ratio:1/1;object-fit:cover;}
.mistake-list{display:grid;gap:16px;}
.mistake-item{
  padding:20px 22px;border-radius:var(--radius);
  background:rgba(20,22,27,.8);border:1px solid var(--line2);
  transition:border-color .25s ease,transform .25s ease;
}
.mistake-item:hover{border-color:rgba(212,175,55,.42);transform:translateX(5px);}
.mistake-item h3{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:700;}
.mistake-item h3 i{color:var(--gold);font-size:14px;}
.mistake-item p{margin-top:9px;font-size:14.5px;line-height:1.68;color:var(--soft);}

/* ===== Topic matrix ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(27,30,36,.92),rgba(11,12,14,.94));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.topic-card:hover{transform:translateY(-6px);border-color:rgba(212,175,55,.55);box-shadow:0 26px 50px -30px rgba(212,175,55,.85);}
.topic-card i.topic-icon{font-size:20px;color:var(--gold-l);}
.topic-card h3{font-size:17.5px;font-weight:700;line-height:1.4;}
.topic-card p{font-size:14.5px;line-height:1.68;color:var(--soft);}
.topic-card span.topic-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--gold-l);display:inline-flex;align-items:center;gap:8px;}

/* ===== Quotes ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote-card{
  padding:26px 24px;border-radius:var(--radius);
  background:rgba(20,22,27,.82);border:1px solid var(--line2);
}
.quote-card p{font-size:14.8px;line-height:1.7;color:var(--soft);}
.quote-who{margin-top:18px;display:flex;align-items:center;gap:12px;border-top:1px solid var(--line2);padding-top:16px;}
.quote-avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:14px;
  display:grid;place-items:center;
}
.quote-who strong{display:block;font-size:14px;color:var(--text);}
.quote-who em{display:block;font-style:normal;font-size:12.5px;color:var(--mute);}

/* ===== News list ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  border-radius:var(--radius);overflow:hidden;
  background:rgba(20,22,27,.82);border:1px solid var(--line2);
  transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.45);}
.news-card a{display:block;padding:22px 22px 20px;}
.news-card h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--text);}
.news-card p{margin-top:10px;font-size:14px;line-height:1.65;color:var(--soft);}
.news-meta{display:block;margin-top:14px;font-size:12.5px;color:var(--mute);letter-spacing:.3px;}
.list-more{margin-top:34px;display:flex;justify-content:flex-start;}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line);
  color:var(--mute);font-size:14.5px;background:rgba(20,22,27,.6);
}

/* ===== FAQ ===== */
.faq-wrap{display:grid;gap:14px;max-width:920px;}
.faq-item{border:1px solid var(--line2);border-radius:var(--radius);background:rgba(20,22,27,.82);overflow:hidden;transition:border-color .25s ease;}
.faq-item[open]{border-color:rgba(212,175,55,.45);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q i{color:var(--gold);font-size:14px;transition:transform .25s ease;}
.faq-item[open] .faq-q i{transform:rotate(180deg);}
.faq-a{padding:0 22px 22px;font-size:14.8px;line-height:1.7;color:var(--soft);}

/* ===== Final CTA ===== */
.cta-panel{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:44px 42px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(27,30,36,.96) 0%,rgba(11,12,14,.98) 70%);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.4px;}
.cta-panel p{margin-top:14px;font-size:15.5px;line-height:1.7;color:var(--soft);}
.cta-form{display:grid;gap:12px;}
.cta-form input{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line2);color:var(--text);font-size:15px;
}
.cta-form input:focus{outline:none;border-color:var(--gold);background:rgba(212,175,55,.08);}
.cta-form small{font-size:12.5px;color:var(--mute);line-height:1.6;}
.pay-row{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.pay-chip{
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.3);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(11,12,14,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(212,175,55,.55);
  color:var(--gold-l);font-size:13.5px;font-weight:700;
  box-shadow:0 0 22px rgba(212,175,55,.35);
  opacity:.82;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i{font-size:15px;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(212,175,55,.6);}
.fab:active{transform:scale(.96);}
.fab .fab-dot{
  position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(11,12,14,.9);
  animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(212,175,55,.28);}50%{box-shadow:0 0 30px rgba(212,175,55,.55);}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ===== Footer ===== */
.site-footer{background:#08090B;border-top:1px solid var(--line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--mute);max-width:360px;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;color:var(--gold-l);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--soft);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--gold-l);transform:translateX(3px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.4);
  color:var(--gold-l);font-size:11.5px;font-weight:800;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  section{padding:62px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .why-grid,.mistake-grid,.calc-panel,.cta-panel{grid-template-columns:1fr;gap:30px;}
  .calc-form{border-right:0;border-bottom:1px solid var(--line2);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .grid-3,.topic-grid,.quote-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .brand-text strong{font-size:13.5px;}
  .brand-text em{font-size:10px;}
  .hero-inner{padding:26px 20px 62px;}
  .flash-bar{border-radius:20px;}
  .countdown{margin-left:0;}
  .hero-title{font-size:clamp(24px,6vw,34px);}
  .hero-cta .btn{width:100%;}
  .grid-3,.topic-grid,.quote-grid,.news-grid,.grid-2,.steps{grid-template-columns:1fr;}
  .cta-panel{padding:30px 24px;}
  .mistake-media img{aspect-ratio:16/10;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  section{padding:50px 0;}
  .nav-wrap{min-height:66px;gap:10px;}
  .brand-mark{width:38px;height:38px;font-size:11.5px;border-radius:11px;}
  .btn-login{padding:9px 10px;font-size:12px;}
  .btn-signup{padding:10px 13px;font-size:12px;}
  .nav-toggle{width:40px;height:40px;}
  .stat-row{grid-template-columns:1fr;}
  .pick-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab{left:12px;bottom:80px;padding:10px 14px;font-size:12.5px;}
}

/* roulang page: category3 */
:root{
  --bg:#0B0C0E;
  --bg2:#14161B;
  --bg3:#1B1E24;
  --gold:#D4AF37;
  --gold-l:#F0D97A;
  --gold-d:#B45309;
  --text:#F5F5F7;
  --soft:#CBD5E1;
  --mute:#A8A29E;
  --line:rgba(212,175,55,.18);
  --line2:rgba(255,255,255,.07);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 22px 60px -28px rgba(0,0,0,.95);
  --gold-grad:linear-gradient(135deg,#F7E7A6 0%,#D4AF37 45%,#B45309 100%);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
section{position:relative;padding:76px 0;}
.section-alt{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-deep{background:linear-gradient(180deg,#0B0C0E 0%,#14161B 60%,#0B0C0E 100%);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,14,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:var(--gold-grad);
  color:#1A1204;font-weight:800;font-size:13px;letter-spacing:-.4px;
  display:grid;place-items:center;
  box-shadow:0 8px 22px -10px rgba(212,175,55,.75);
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.9px;text-transform:uppercase;color:var(--mute);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 13px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--soft);
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--gold-l);background:rgba(212,175,55,.09);}
.nav-link.active{color:var(--gold-l);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.btn-login{
  padding:10px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  color:var(--gold-l);border:1px solid rgba(212,175,55,.42);
  background:transparent;transition:.22s ease;
}
.btn-login:hover{background:rgba(212,175,55,.12);border-color:var(--gold);}
.btn-signup{
  padding:11px 18px;border-radius:11px;font-size:13.5px;font-weight:700;
  color:#1A1204;background:var(--gold-grad);
  box-shadow:0 12px 28px -14px rgba(212,175,55,.85);
  transition:transform .2s ease,filter .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-signup:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line2);
  color:var(--gold-l);font-size:17px;cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line2);background:rgba(20,22,27,.98);
  padding:12px 20px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:var(--soft);
  border-bottom:1px solid var(--line2);
}
.nav-drawer a:last-child{border-bottom:0;}
.nav-drawer a.active{color:var(--gold-l);font-weight:600;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;
  font-size:15px;font-weight:700;letter-spacing:.1px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{background:var(--gold-grad);color:#1A1204;box-shadow:0 16px 34px -16px rgba(212,175,55,.9);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 42px -16px rgba(212,175,55,1);}
.btn-gold:active{transform:translateY(-1px);}
.btn-outline{background:rgba(255,255,255,.03);color:var(--gold-l);border-color:rgba(212,175,55,.45);}
.btn-outline:hover{background:rgba(212,175,55,.12);transform:translateY(-3px);}
.btn:focus-visible,.nav-link:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--gold-l);outline-offset:3px;
}

/* ===== Hero ===== */
.hero{padding:0;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/974b85ca090dcc15.jpg');
  background-size:cover;background-position:center;
  filter:saturate(.85);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,7,9,.97) 0%,rgba(8,9,12,.9) 46%,rgba(12,14,18,.72) 100%);
}
.hero-inner{position:relative;padding:78px 20px 58px;max-width:1180px;}
.eyebrow{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.32);
}
.hero-title{
  margin:20px 0 0;max-width:880px;
  font-size:clamp(27px,4.2vw,48px);line-height:1.2;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#FFFFFF 0%,#F7E7A6 55%,#D4AF37 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin:18px 0 0;max-width:780px;
  font-size:16.5px;line-height:1.7;color:var(--soft);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}
.hero-note{
  margin-top:20px;font-size:13.5px;color:var(--gold-l);
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:12px;
  background:rgba(212,175,55,.08);border:1px solid var(--line);
}
.hero-stats{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
  background:rgba(10,11,13,.86);
  backdrop-filter:blur(10px);
}
.hero-stat{
  padding:22px 24px;border-right:1px solid var(--line2);
}
.hero-stat:last-child{border-right:0;}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--gold-l);letter-spacing:-.5px;}
.hero-stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--mute);line-height:1.45;}

/* ===== Section headings ===== */
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--gold);margin-bottom:12px;
}
.sec-title{
  margin:0;font-size:clamp(22px,2.9vw,34px);line-height:1.25;font-weight:800;letter-spacing:-.4px;
  color:var(--text);
}
.sec-sub{margin:14px 0 0;font-size:15.5px;color:var(--soft);line-height:1.7;}

/* ===== Layout helpers ===== */
.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.split{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:start;}
.split-rev{display:grid;grid-template-columns:1fr 1.4fr;gap:34px;align-items:start;}

/* ===== Cards ===== */
.card{
  background:linear-gradient(180deg,rgba(27,30,36,.9) 0%,rgba(18,20,25,.92) 100%);
  border:1px solid var(--line2);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.35);box-shadow:0 22px 46px -26px rgba(212,175,55,.55);}
.card-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.3);
  color:var(--gold-l);font-size:18px;margin-bottom:16px;
}
.card h3{margin:0 0 10px;font-size:17px;font-weight:700;color:var(--text);line-height:1.4;}
.card p{margin:0;font-size:14.5px;color:var(--soft);line-height:1.68;}
.card ul{margin:12px 0 0;padding-left:18px;font-size:14.5px;color:var(--soft);line-height:1.7;}
.card ul li{margin-bottom:6px;}
.card-flat{background:rgba(255,255,255,.025);border:1px solid var(--line2);border-radius:var(--radius);padding:22px;}
.media-frame{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.media-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;font-size:13px;color:var(--gold-l);
  background:linear-gradient(180deg,rgba(6,7,9,0) 0%,rgba(6,7,9,.92) 100%);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;font-size:11.5px;font-weight:600;letter-spacing:.4px;
  color:var(--gold-l);background:rgba(212,175,55,.1);border:1px solid rgba(212,175,55,.28);
}
.tag-soft{color:var(--soft);background:rgba(255,255,255,.05);border-color:var(--line2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ===== Table ===== */
.table-wrap{
  border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;
  background:rgba(20,22,27,.75);
}
table.von{width:100%;border-collapse:collapse;font-size:14.5px;}
table.von thead th{
  background:rgba(212,175,55,.09);color:var(--gold-l);
  font-size:12.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;
  text-align:left;padding:15px 16px;border-bottom:1px solid var(--line);
}
table.von tbody td{
  padding:14px 16px;border-bottom:1px solid var(--line2);color:var(--soft);
}
table.von tbody tr:last-child td{border-bottom:0;}
table.von tbody tr:hover td{background:rgba(212,175,55,.045);}
table.von td.hl{color:var(--gold-l);font-weight:700;}
.table-note{margin-top:14px;font-size:13px;color:var(--mute);line-height:1.6;}

/* ===== Formula / scenario ===== */
.formula-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.formula{
  border:1px solid var(--line2);border-left:3px solid var(--gold);
  border-radius:var(--radius-sm);padding:20px 22px;background:rgba(255,255,255,.025);
}
.formula h4{margin:0 0 8px;font-size:15.5px;font-weight:700;color:var(--text);}
.formula code{
  display:block;margin:10px 0 0;padding:11px 14px;border-radius:10px;
  background:rgba(6,7,9,.7);border:1px solid var(--line2);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--gold-l);
  white-space:normal;word-break:break-word;
}
.formula p{margin:10px 0 0;font-size:14px;color:var(--soft);line-height:1.66;}
.example-box{
  margin-top:26px;padding:26px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(212,175,55,.1) 0%,rgba(20,22,27,.9) 60%);
  border:1px solid rgba(212,175,55,.28);
}
.example-box h3{margin:0 0 8px;font-size:18px;font-weight:800;color:var(--gold-l);}
.example-box p{margin:0 0 16px;font-size:14.5px;color:var(--soft);line-height:1.7;}
.example-rows{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.example-row{
  padding:14px 16px;border-radius:12px;background:rgba(6,7,9,.6);border:1px solid var(--line2);
}
.example-row span{display:block;font-size:12px;color:var(--mute);line-height:1.45;}
.example-row b{display:block;margin-top:6px;font-size:17px;font-weight:800;}
.pos{color:#34D399;}
.neg{color:#F87171;}

/* ===== Steps ===== */
.steps{display:grid;gap:14px;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:22px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.022);border:1px solid var(--line2);
  transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:rgba(212,175,55,.34);transform:translateX(4px);}
.step-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:19px;
  box-shadow:0 12px 26px -14px rgba(212,175,55,.85);
}
.step h4{margin:0 0 8px;font-size:16.5px;font-weight:700;color:var(--text);}
.step p{margin:0;font-size:14.5px;color:var(--soft);line-height:1.7;}

/* ===== Calculator ===== */
.calc-panel{
  border:1px solid rgba(212,175,55,.28);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(27,30,36,.95),rgba(14,16,20,.95));
  padding:28px;
}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--mute);margin-bottom:7px;text-transform:uppercase;}
.field input,.field select{
  width:100%;padding:13px 14px;border-radius:12px;
  background:rgba(6,7,9,.75);border:1px solid var(--line2);color:var(--text);
  font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.18);
}
.calc-out{
  margin-top:22px;padding:22px;border-radius:var(--radius-sm);
  background:rgba(6,7,9,.65);border:1px dashed rgba(212,175,55,.35);
}
.calc-out .line{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;color:var(--soft);padding:7px 0;}
.calc-out .line b{color:var(--text);font-weight:700;}
.calc-out .total{
  margin-top:12px;padding-top:14px;border-top:1px solid var(--line2);
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
}
.calc-out .total span{font-size:13px;color:var(--mute);text-transform:uppercase;letter-spacing:.6px;}
.calc-out .total b{font-size:24px;font-weight:800;color:var(--gold-l);letter-spacing:-.5px;}
.journal-list{list-style:none;margin:0;padding:0;}
.journal-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line2);font-size:14.5px;color:var(--soft);line-height:1.65;
}
.journal-list li:last-child{border-bottom:0;}
.journal-list i{color:var(--gold);margin-top:4px;font-size:13px;}

/* ===== Mistakes ===== */
.mistake{
  display:grid;grid-template-columns:40px 1fr;gap:16px;
  padding:20px 0;border-bottom:1px solid var(--line2);
}
.mistake:last-child{border-bottom:0;}
.mistake-no{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.28);
  color:#F87171;font-weight:800;font-size:14px;
}
.mistake h4{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--text);}
.mistake p{margin:0;font-size:14.5px;color:var(--soft);line-height:1.7;}

/* ===== Testimonials ===== */
.quote{
  border:1px solid var(--line2);border-radius:var(--radius);padding:26px 24px;
  background:rgba(255,255,255,.022);
  display:flex;flex-direction:column;gap:16px;height:100%;
}
.quote i.fa-quote-left{color:var(--gold);font-size:20px;}
.quote p{margin:0;font-size:14.5px;color:var(--soft);line-height:1.72;flex:1;}
.who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line2);padding-top:16px;}
.who .av{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-weight:800;font-size:15px;
}
.who b{display:block;font-size:14.5px;color:var(--text);}
.who span{display:block;font-size:12.5px;color:var(--mute);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line2);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.022);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:rgba(212,175,55,.36);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;
  font-size:15.5px;font-weight:600;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--gold);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--soft);line-height:1.72;}

/* ===== Post list ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;
  background:rgba(255,255,255,.022);
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.34);box-shadow:0 24px 48px -28px rgba(212,175,55,.55);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(6,7,9,.6);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{margin:0;font-size:16px;font-weight:700;line-height:1.45;color:var(--text);}
.post-body h3 a:hover{color:var(--gold-l);}
.post-body p{margin:0;font-size:14px;color:var(--soft);line-height:1.65;flex:1;}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--mute);border-top:1px solid var(--line2);padding-top:12px;}
.post-empty{
  padding:26px;border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--mute);font-size:14.5px;text-align:center;
}
.list-more{display:flex;justify-content:center;margin-top:30px;}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid rgba(212,175,55,.3);
  padding:52px 46px;
  background-image:linear-gradient(105deg,rgba(6,7,9,.95) 0%,rgba(10,11,14,.86) 55%,rgba(14,16,20,.7) 100%),url('/assets/images/3886f0f6f417c86e.jpg');
  background-size:cover;background-position:center;
}
.cta-band h2{margin:0;font-size:clamp(21px,2.8vw,32px);font-weight:800;line-height:1.28;color:var(--text);max-width:640px;}
.cta-band p{margin:14px 0 0;font-size:15.5px;color:var(--soft);max-width:640px;line-height:1.7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px;}
.cta-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 12px;border-radius:999px;
  background:rgba(11,12,14,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(11,12,14,.9),rgba(11,12,14,.9)),linear-gradient(135deg,#F0D97A,#D4AF37 55%,#B45309);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--gold-l);font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(212,175,55,.4);
  opacity:.82;transition:opacity .25s ease,transform .2s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(212,175,55,.6);}
.fab:active{transform:scale(.96);}
.fab .fab-ico{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--gold-grad);color:#1A1204;font-size:14px;
}
.fab .fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(11,12,14,.9);
  animation:dotPulse 1.8s ease-in-out infinite;
}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(1.25);}}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(180deg,#0B0C0E 0%,#101216 100%);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:38px;border-bottom:1px solid var(--line2);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{margin:0;font-size:14px;color:var(--mute);line-height:1.7;max-width:360px;}
.footer-col h4{
  margin:0 0 16px;font-size:12.5px;font-weight:700;letter-spacing:1.3px;
  text-transform:uppercase;color:var(--gold-l);
}
.footer-col a{
  display:block;font-size:14px;color:var(--soft);padding:7px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--gold-l);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;
  padding-top:24px;font-size:13px;color:var(--mute);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(212,175,55,.45);color:var(--gold-l);
  font-size:11.5px;font-weight:800;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .grid-2,.split,.split-rev{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stat:nth-child(2){border-right:0;}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--line2);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .example-rows{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  section{padding:58px 0;}
  .hero-inner{padding:56px 20px 44px;}
  .cta-band{padding:36px 24px;}
  .grid-3{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .formula-grid{grid-template-columns:1fr;}
  .calc-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:44px 1fr;padding:18px;}
  .step-num{width:44px;height:44px;border-radius:13px;font-size:16px;}
  .brand-text strong{font-size:13.5px;}
  .btn-signup{padding:10px 14px;font-size:12.5px;}
  .btn-login{padding:9px 11px;font-size:12.5px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{border-right:0;border-bottom:1px solid var(--line2);}
  .grid-4{grid-template-columns:1fr;}
  .example-rows{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .hero-cta .btn{width:100%;}
  .btn-login{display:none;}
  .fab{bottom:86px;padding:10px;border-radius:50%;}
  .fab .fab-txt{display:none;}
}