/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#050d20;
  --bg-deep:#081229;
  --panel:rgba(15,26,48,.62);
  --panel-solid:#0c1730;
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 22px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 0 1px rgba(56,189,248,.22), 0 0 34px -8px rgba(37,99,235,.6);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050d20 48%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#a5e8ff;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.25;letter-spacing:-.4px;font-weight:700;color:#fff;}
h1{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-1px;}
h2{font-size:clamp(23px,2.6vw,34px);font-weight:700;}
h3{font-size:clamp(17px,1.6vw,21px);font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 16px;color:var(--soft);}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:9px;color:var(--soft);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.glass{
  background:linear-gradient(158deg,rgba(19,32,58,.80),rgba(9,17,34,.58));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#7dd3fc;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lead{font-size:16.5px;color:var(--soft);max-width:820px;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#03121f;font-size:18px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.is-active{
  color:#eaf6ff;
  background:linear-gradient(135deg,rgba(37,99,235,.40),rgba(56,189,248,.22));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 17px;border-radius:12px;font-size:14px;font-weight:600;color:#dbeafe;
  border:1px solid rgba(148,163,184,.34);background:transparent;transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:700;color:#f8fafc;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 12px 30px -12px rgba(56,189,248,.9);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(56,189,248,1);filter:brightness(1.05);}
.btn-solid:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:600;color:#bae6fd;
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);transition:all .22s ease;
}
.btn-outline:hover{color:#fff;background:rgba(56,189,248,.14);border-color:var(--cyan);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#bae6fd;font-size:17px;background:rgba(8,18,41,.6);
}

/* HERO */
.hero{position:relative;overflow:hidden;padding:74px 0 78px;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 42%,rgba(8,18,41,.70) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(120deg,#7dd3fc,#2563eb 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{font-size:16.5px;color:var(--soft);max-width:640px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;}
.hero-stat{min-width:120px;}
.hero-stat strong{
  display:block;font-size:24px;font-weight:800;
  background:linear-gradient(135deg,#e0f2fe,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat span{font-size:12.5px;color:var(--muted);letter-spacing:.4px;}
.hero-panel{padding:28px;}
.panel-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:1.2px;
  text-transform:uppercase;color:#7dd3fc;border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 13px;margin-bottom:16px;
}
.panel-tag i{font-size:9px;color:#22d3ee;}
.panel-title{font-size:19px;margin-bottom:8px;}
.panel-desc{font-size:14px;color:var(--muted);margin-bottom:20px;}
.group-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:9px;font-weight:600;}
.bar{height:9px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden;margin-bottom:22px;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563eb,#38bdf8);box-shadow:0 0 16px rgba(56,189,248,.7);}
.panel-actions{display:grid;gap:11px;margin-bottom:20px;}
.panel-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line);padding-top:16px;}
.panel-list li{display:flex;gap:10px;font-size:13.4px;color:var(--muted);margin-bottom:9px;}
.panel-list i{color:#22d3ee;font-size:12px;margin-top:4px;}

/* SECTION */
.section{position:relative;padding:76px 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.10));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:40px;}
.section-head p{margin-bottom:0;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{padding:26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.card-icon{
  width:48px;height:48px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(37,99,235,.38),rgba(56,189,248,.20));
  border:1px solid rgba(56,189,248,.32);color:#7dd3fc;font-size:19px;margin-bottom:16px;
}
.card h3{margin-bottom:10px;}
.card p{font-size:14.6px;color:var(--muted);margin-bottom:0;}
.card-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:#a5f3fc;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.28);
  border-radius:999px;padding:4px 11px;margin-bottom:12px;
}

/* STORY */
.story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center;}
.story-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.story-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.story-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:12.6px;color:#dbeafe;
  background:linear-gradient(0deg,rgba(3,7,18,.94),transparent);
}
.story-body p{font-size:15.6px;}
.dot-list{list-style:none;padding:0;margin:22px 0 0;}
.dot-list li{position:relative;padding-left:26px;font-size:15px;color:var(--soft);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 0 12px rgba(56,189,248,.8);
}

/* TABLE */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(9,17,34,.58);box-shadow:var(--shadow);}
table.compare{width:100%;border-collapse:collapse;min-width:720px;margin:0;}
table.compare th,table.compare td{padding:17px 20px;text-align:left;font-size:14.6px;vertical-align:top;border-bottom:1px solid rgba(56,189,248,.12);}
table.compare thead th{
  background:rgba(37,99,235,.18);color:#e2f3ff;font-size:12.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.9px;
}
table.compare tbody th{color:#e2f3ff;font-weight:600;width:26%;}
table.compare tbody td{color:var(--muted);}
table.compare tbody tr:hover{background:rgba(56,189,248,.06);}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0;}

/* CHECKLIST */
.check-item{display:flex;gap:15px;padding:20px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(9,17,34,.52);transition:border-color .22s ease,background .22s ease;}
.check-item:hover{border-color:var(--line-strong);background:rgba(12,23,48,.75);}
.check-item i{color:#38bdf8;font-size:17px;margin-top:3px;}
.check-item h4{margin-bottom:6px;color:#e2f3ff;}
.check-item p{margin:0;font-size:14.2px;color:var(--muted);}

/* METRICS */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  padding:24px 22px;border-radius:var(--radius-sm);background:rgba(9,17,34,.55);
  border:1px solid var(--line);border-left:3px solid #38bdf8;
}
.metric strong{
  display:block;font-size:29px;font-weight:800;line-height:1.1;margin-bottom:8px;
  background:linear-gradient(135deg,#e0f2fe,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{font-size:13.4px;color:var(--muted);}

/* BADGES */
.badge-row{display:flex;flex-wrap:wrap;gap:14px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:13px 19px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(8,18,41,.72);font-size:13.4px;
  color:#cbd5e1;font-weight:600;
}
.badge i{color:#22d3ee;font-size:14px;}

/* BOUNDARY */
.note-list{list-style:none;padding:0;margin:0;display:grid;gap:14px;}
.note-list li{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-sm);
  border:1px solid rgba(251,191,36,.24);background:rgba(30,20,5,.35);font-size:14.6px;color:var(--soft);
}
.note-list i{color:#fbbf24;font-size:16px;margin-top:3px;}

/* MATRIX */
.matrix-item{padding:22px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(9,17,34,.5);}
.matrix-item h4{color:#bae6fd;margin-bottom:8px;}
.matrix-item p{margin:0;font-size:14.2px;color:var(--muted);}
.matrix-item .tagline{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#86efac;margin-bottom:9px;}

/* MYTH */
.myth-item{border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(9,17,34,.5);padding:22px;}
.myth-wrong{display:flex;gap:12px;padding-bottom:16px;border-bottom:1px dashed rgba(148,163,184,.25);margin-bottom:16px;}
.myth-wrong i{color:#f87171;font-size:15px;margin-top:4px;}
.myth-wrong p{margin:0;font-size:14.4px;color:#fca5a5;}
.myth-right{display:flex;gap:12px;}
.myth-right i{color:#4ade80;font-size:15px;margin-top:4px;}
.myth-right p{margin:0;font-size:14.4px;color:var(--soft);}

/* CATEGORY WALL */
.cat-card{padding:28px;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);}
.cat-index{
  font-size:13px;font-weight:800;letter-spacing:2px;color:#38bdf8;margin-bottom:14px;
}
.cat-card h3{margin-bottom:10px;}
.cat-card p{font-size:14.4px;color:var(--muted);flex:1;}
.cat-link{
  display:inline-flex;align-items:center;gap:9px;font-size:13.6px;font-weight:700;color:#7dd3fc;margin-top:8px;
}
.cat-link i{transition:transform .22s ease;}
.cat-card:hover .cat-link i{transform:translateX(5px);}

/* NEWS */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-item{
  display:block;padding:22px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(9,17,34,.52);transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px);background:rgba(12,23,48,.78);}
.news-item h3{font-size:17px;margin-bottom:9px;color:#eaf6ff;}
.news-item p{font-size:14.2px;color:var(--muted);margin-bottom:12px;}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.2px;color:#7dd3fc;font-weight:600;}
.news-meta span{display:inline-flex;align-items:center;gap:6px;}
.side-panel{padding:24px;}
.side-panel h3{font-size:16.5px;margin-bottom:18px;}
.side-item{
  display:block;padding:14px 0;border-bottom:1px solid rgba(56,189,248,.14);
}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-item strong{display:block;font-size:14.3px;font-weight:600;color:#e2f3ff;line-height:1.45;margin-bottom:6px;}
.side-item:hover strong{color:#7dd3fc;}
.side-item em{font-style:normal;font-size:12px;color:var(--muted);}
.empty-state{
  padding:22px;border-radius:var(--radius-sm);border:1px dashed var(--line-strong);
  color:var(--muted);font-size:14.4px;text-align:left;background:rgba(9,17,34,.4);
}

/* PEOPLE */
.people-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.person{padding:20px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(9,17,34,.5);}
.person-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#03121f;background:linear-gradient(135deg,#38bdf8,#60a5fa);
}
.person-top strong{font-size:14.4px;color:#eaf6ff;display:block;}
.person-top em{font-style:normal;font-size:11.8px;color:var(--muted);}
.person p{margin:0;font-size:13.6px;color:var(--muted);}

/* QUOTES */
.quote{padding:26px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(9,17,34,.5);display:flex;flex-direction:column;}
.quote i.qmark{color:#38bdf8;font-size:20px;margin-bottom:14px;}
.quote p{font-size:14.8px;color:var(--soft);flex:1;}
.quote footer{display:flex;align-items:center;gap:11px;padding-top:14px;border-top:1px solid rgba(56,189,248,.14);}
.quote footer strong{font-size:13.6px;color:#e2f3ff;display:block;}
.quote footer em{font-style:normal;font-size:11.8px;color:var(--muted);}

/* PARTNERS */
.partner-row{display:flex;flex-wrap:wrap;gap:14px;}
.partner{
  padding:14px 22px;border-radius:var(--radius-xs);border:1px solid var(--line);
  background:rgba(9,17,34,.5);font-size:13.6px;color:var(--soft);font-weight:600;
  display:inline-flex;align-items:center;gap:10px;
}
.partner i{color:#60a5fa;}

/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(9,17,34,.55);overflow:hidden;transition:border-color .22s ease;}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  cursor:pointer;padding:20px 22px;font-size:16px;font-weight:600;color:#eaf6ff;
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:#38bdf8;font-size:14px;margin-top:5px;transition:transform .25s ease;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-body{padding:0 22px 22px;font-size:14.8px;color:var(--muted);}
.faq-body p{margin-bottom:12px;}
.faq-body p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;padding:56px 44px;border-radius:var(--radius);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.30),rgba(8,18,41,.86) 55%,rgba(56,189,248,.18));
  box-shadow:var(--glow);
  display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center;
}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:var(--soft);margin-bottom:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,5,14,.98));
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:40px;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:320px;}
.footer-col h4{
  font-size:12.5px;text-transform:uppercase;letter-spacing:1.4px;color:#7dd3fc;margin-bottom:16px;font-weight:700;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:12.8px;color:var(--muted);
}
.footer-bottom .legal-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .legal-links a{color:var(--muted);}
.footer-bottom .legal-links a:hover{color:#fff;}
.age-chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-strong);font-size:12.4px;color:#bae6fd;font-weight:700;
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:11px;
  min-height:52px;padding:12px 20px;border-radius:999px;
  font-size:13.4px;font-weight:700;color:#e0f2fe;text-decoration:none;
  background:
    linear-gradient(rgba(7,10,22,.88),rgba(7,10,22,.88)) padding-box,
    linear-gradient(135deg,#38bdf8,#2563eb,#22d3ee) border-box;
  border:1px solid transparent;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 24px rgba(6,182,212,.42);
  opacity:.82;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 20px rgba(6,182,212,.34);}
  50%{box-shadow:0 0 32px rgba(37,99,235,.62);}
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 38px rgba(56,189,248,.75);}
.fab:active{transform:scale(.95);}
.fab-icon{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03121f;font-size:15px;
}
.fab .dot{
  position:absolute;top:6px;right:10px;width:10px;height:10px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .story-grid{grid-template-columns:1fr;gap:30px;}
  .news-layout{grid-template-columns:1fr;}
  .grid-4,.metrics,.people-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:44px 30px;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 22px;
    background:rgba(4,10,24,.98);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{width:100%;padding:13px 15px;border-radius:12px;font-size:14.5px;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .hero{padding:56px 0 62px;}
  .grid-2,.grid-3,.grid-4,.metrics,.people-grid{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .header-inner{height:68px;gap:12px;}
  .main-nav{top:68px;}
}
@media (max-width:520px){
  .brand-text em{display:none;}
  .brand-text strong{font-size:13px;}
  .btn-ghost{padding:8px 11px;font-size:12.5px;}
  .btn-solid{padding:9px 13px;font-size:12.5px;}
  .nav-toggle{width:38px;height:38px;font-size:15px;}
  .hero h1{font-size:26px;}
  .fab{bottom:88px;left:12px;padding:10px 15px;font-size:12.4px;}
  .fab-icon{width:30px;height:30px;font-size:13px;}
  .cta-band h2{font-size:21px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#050d20;
  --bg-deep:#081229;
  --panel:rgba(15,26,48,.62);
  --panel-solid:#0c1730;
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 22px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 0 1px rgba(56,189,248,.22), 0 0 34px -8px rgba(37,99,235,.6);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050d20 48%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#a5e8ff;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.4px;line-height:1.25;color:#fff;}
h1{font-size:clamp(26px,4vw,44px);}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:18px;}
p{margin:0 0 14px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
  letter-spacing:1.4px;text-transform:uppercase;color:#7dd3fc;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lead{font-size:16.5px;color:var(--soft);max-width:860px;line-height:1.7;}
.anchor-target{display:block;position:relative;top:-96px;visibility:hidden;height:0;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#03121f;font-size:18px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.is-active{
  color:#eaf6ff;background:linear-gradient(135deg,rgba(37,99,235,.40),rgba(56,189,248,.22));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:12px;
  font-size:14px;font-weight:600;color:#dbeafe;border:1px solid rgba(148,163,184,.34);background:transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 21px;border-radius:12px;
  font-size:14.5px;font-weight:700;color:#f8fafc;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 12px 30px -12px rgba(56,189,248,.9);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(56,189,248,1);filter:brightness(1.05);}
.btn-solid:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 21px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:#bae6fd;border:1px solid var(--line-strong);background:rgba(8,18,41,.6);
  transition:all .22s ease;white-space:nowrap;
}
.btn-outline:hover{color:#fff;background:rgba(56,189,248,.14);border-color:var(--cyan);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#bae6fd;font-size:17px;background:rgba(8,18,41,.6);flex-shrink:0;
}
/* PAGE HERO */
.page-hero{position:relative;overflow:hidden;padding:62px 0 56px;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.90) 45%,rgba(8,18,41,.72) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:#93c5fd;}
.breadcrumb i{font-size:10px;opacity:.6;}
.page-hero h1{max-width:960px;margin-bottom:18px;}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#7dd3fc,#2563eb 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero-lead{font-size:16.5px;color:var(--soft);max-width:820px;line-height:1.72;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  font-size:12.5px;color:#bae6fd;background:rgba(8,18,41,.7);border:1px solid var(--line);
}
.meta-chip i{color:var(--cyan);font-size:12px;}
/* SECTIONS */
.section{padding:70px 0;border-bottom:1px solid var(--line);}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,.1));}
.section-head{max-width:860px;margin-bottom:36px;}
.section-head h2{margin-bottom:14px;}
/* ARTICLE LAYOUT */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start;}
.article-body{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
  min-width:0;
}
.article-body h2{
  font-size:clamp(20px,2.4vw,28px);margin:34px 0 14px;padding-left:16px;
  border-left:3px solid var(--cyan);line-height:1.35;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{margin:26px 0 10px;color:#bae6fd;font-size:18px;}
.article-body p{color:var(--soft);line-height:1.72;}
.article-body ul,.article-body ol{color:var(--soft);padding-left:22px;}
.article-body li{margin-bottom:9px;line-height:1.7;}
.article-body strong{color:#fff;}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(56,189,248,.5);}
.article-body img{border-radius:var(--radius-sm);margin:20px 0;border:1px solid var(--line);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--blue);
  background:rgba(37,99,235,.10);border-radius:0 var(--radius-xs) var(--radius-xs) 0;color:#e2e8f0;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;color:var(--soft);}
.article-body th{background:rgba(37,99,235,.18);color:#eaf6ff;font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}
.article-summary{
  position:sticky;top:96px;background:var(--panel-solid);border:1px solid var(--line-strong);
  border-radius:var(--radius);padding:24px;box-shadow:var(--glow);
}
.article-summary h3{font-size:15px;text-transform:uppercase;letter-spacing:1.1px;color:#7dd3fc;margin-bottom:16px;}
.summary-list{list-style:none;padding:0;margin:0;}
.summary-list li{
  display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.22);
  font-size:14px;color:var(--soft);line-height:1.6;
}
.summary-list li:last-child{border-bottom:0;padding-bottom:0;}
.summary-list i{color:var(--cyan);margin-top:4px;font-size:12px;flex-shrink:0;}
.summary-note{
  margin-top:18px;padding:13px 15px;border-radius:var(--radius-xs);
  background:rgba(37,99,235,.14);border:1px solid var(--line);font-size:13px;color:#cbd5e1;
}
.article-empty{
  text-align:left;padding:8px 0 4px;
}
.article-empty h2{border-left:0;padding-left:0;margin-bottom:12px;}
.article-empty p{color:var(--soft);margin-bottom:20px;}
/* COMPARISON TABLE */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-sm);border:1px solid var(--line);}
.table-scroll table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;margin:0;}
.table-scroll thead th{
  background:linear-gradient(135deg,rgba(37,99,235,.34),rgba(56,189,248,.16));
  color:#eaf6ff;text-align:left;padding:15px 18px;font-weight:700;font-size:13.5px;
  letter-spacing:.4px;text-transform:uppercase;border-bottom:1px solid var(--line-strong);
}
.table-scroll td{padding:14px 18px;color:var(--soft);border-bottom:1px solid rgba(56,189,248,.12);vertical-align:top;}
.table-scroll tbody tr:nth-child(even){background:rgba(15,26,48,.42);}
.table-scroll tbody tr:hover{background:rgba(37,99,235,.14);}
.table-scroll td strong{color:#fff;}
/* FORMULA CARDS */
.formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:26px 0;}
.formula-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px;backdrop-filter:blur(10px);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.formula-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.formula-card .fc-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#04121f;font-size:16px;margin-bottom:14px;
}
.formula-card h3{margin-bottom:8px;font-size:17px;}
.formula-card p{font-size:14.5px;color:var(--soft);margin-bottom:0;line-height:1.7;}
.formula-code{
  display:block;margin-top:12px;padding:11px 13px;border-radius:var(--radius-xs);
  background:rgba(3,7,18,.75);border:1px dashed var(--line-strong);
  font-size:13.5px;color:#7dd3fc;font-weight:600;letter-spacing:.2px;word-break:break-word;
}
.money-table{margin-top:8px;}
.money-table .win{color:#4ade80;font-weight:700;}
.money-table .push{color:#facc15;font-weight:700;}
.money-table .lose{color:#fb7185;font-weight:700;}
/* CHECKLIST */
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check-list li{
  display:flex;gap:14px;padding:20px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--line);transition:border-color .22s ease,transform .22s ease;
}
.check-list li:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.check-list .ci{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.14);border:1px solid var(--line-strong);color:var(--cyan);font-size:13px;font-weight:700;
}
.check-list h3{font-size:15.5px;margin-bottom:6px;}
.check-list p{font-size:14px;color:var(--soft);margin:0;line-height:1.68;}
/* CASE GRID (Foundation) */
.case-grid{margin-top:8px;}
.case-col{padding-bottom:18px;}
.case-card{
  height:100%;border-radius:var(--radius);padding:26px;border:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(12px);
}
.case-card.is-good{border-color:rgba(74,222,128,.34);box-shadow:0 0 0 1px rgba(74,222,128,.10) inset;}
.case-card.is-bad{border-color:rgba(251,113,133,.32);box-shadow:0 0 0 1px rgba(251,113,133,.10) inset;}
.case-card h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:16px;}
.case-card.is-good h3 i{color:#4ade80;}
.case-card.is-bad h3 i{color:#fb7185;}
.case-card ul{padding-left:20px;margin:0;color:var(--soft);}
.case-card li{margin-bottom:10px;font-size:14.5px;line-height:1.7;}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--glow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:600;color:#eaf6ff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--cyan);
  transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 22px 20px;color:var(--soft);font-size:14.8px;line-height:1.75;}
/* CTA */
.cta-section{border-bottom:0;}
.cta-band{
  display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
  padding:40px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(37,99,235,.30),rgba(8,18,41,.86) 55%,rgba(56,189,248,.18));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.30),transparent 70%);pointer-events:none;
}
.cta-band h2{margin-bottom:12px;position:relative;z-index:1;}
.cta-band p{color:var(--soft);margin:0;max-width:640px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.legal-note{
  margin-top:26px;padding:18px 22px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.7);border:1px solid var(--line);font-size:13.5px;color:var(--muted);line-height:1.7;
}
.legal-note strong{color:#cbd5e1;}
/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(5,13,32,.9),rgba(3,7,18,1));
  border-top:1px solid var(--line);padding:58px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.72;max-width:340px;}
.footer-col h4{
  font-size:12.5px;text-transform:uppercase;letter-spacing:1.2px;color:#7dd3fc;margin-bottom:16px;font-weight:700;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}
.age-chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-strong);color:#bae6fd;font-weight:600;
}
.legal-links{display:flex;flex-wrap:wrap;gap:16px;}
.legal-links a{color:var(--muted);}
.legal-links a:hover{color:var(--cyan);}
/* FAB */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;padding:12px 17px;border-radius:999px;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;border:1.5px solid transparent;
  color:#e0f2fe;font-size:13.5px;font-weight:600;opacity:.8;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .2s ease,box-shadow .25s ease,opacity .2s ease;
}
.fab-support:hover{opacity:1;transform:scale(1.07);box-shadow:0 0 34px rgba(6,182,212,.72);color:#e0f2fe;}
.fab-support:active{transform:scale(.95);}
.fab-icon{
  position:relative;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#04121f;font-size:13px;flex-shrink:0;
}
.fab-dot{
  position:absolute;top:-2px;right:-2px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 8px #f43f5e;animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}
/* RESPONSIVE */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--line);padding:14px 20px 20px;
    display:none;backdrop-filter:blur(18px);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:flex;}
  .article-shell{grid-template-columns:minmax(0,1fr);}
  .article-summary{position:static;order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .formula-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .page-hero{padding:48px 0 44px;}
  .article-body{padding:24px;}
  .check-list{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab-support{padding:0;width:56px;height:56px;justify-content:center;left:14px;bottom:86px;}
  .fab-label{display:none;}
}
@media (max-width:560px){
  .header-inner{gap:12px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:13.5px;}
  .btn-ghost{padding:8px 12px;font-size:13px;}
  .btn-solid{padding:9px 14px;font-size:13px;}
  .brand-mark{width:36px;height:36px;font-size:16px;border-radius:11px;}
  .formula-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .article-body{padding:20px;}
  .article-summary{padding:20px;}
  .table-scroll table{min-width:560px;}
  .cta-actions .btn-solid,.cta-actions .btn-outline{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#050d20;
  --bg-deep:#081229;
  --panel:rgba(15,26,48,.62);
  --panel-solid:#0c1730;
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 22px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 0 1px rgba(56,189,248,.22), 0 0 34px -8px rgba(37,99,235,.6);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050d20 48%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#a5e8ff;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;line-height:1.25;font-weight:700;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#7dd3fc;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lead{font-size:16.5px;color:var(--soft);max-width:820px;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#03121f;font-size:18px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.is-active{
  color:#eaf6ff;
  background:linear-gradient(135deg,rgba(37,99,235,.40),rgba(56,189,248,.22));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 17px;border-radius:12px;font-size:14px;font-weight:600;color:#dbeafe;
  border:1px solid rgba(148,163,184,.34);background:transparent;transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:700;color:#f8fafc;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 12px 30px -12px rgba(56,189,248,.9);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(56,189,248,1);filter:brightness(1.05);}
.btn-solid:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:600;color:#bae6fd;
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);transition:all .22s ease;
}
.btn-outline:hover{color:#fff;background:rgba(56,189,248,.14);border-color:var(--cyan);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#bae6fd;font-size:17px;background:rgba(8,18,41,.6);
}

/* HERO */
.hero{position:relative;overflow:hidden;padding:70px 0 74px;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 42%,rgba(8,18,41,.72) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(28px,3.4vw,44px);font-weight:800;letter-spacing:-.9px;margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(120deg,#7dd3fc,#2563eb 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{font-size:16.5px;color:var(--soft);max-width:640px;margin-bottom:24px;}
.check-list{list-style:none;display:grid;gap:12px;margin:0 0 28px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--soft);}
.check-list i{color:var(--cyan);margin-top:4px;font-size:15px;flex-shrink:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{
  margin-top:24px;font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:#7dd3fc;}
.hero-side{padding:26px;display:flex;flex-direction:column;gap:0;}
.panel-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:1.2px;
  text-transform:uppercase;color:#7dd3fc;border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 13px;margin-bottom:18px;align-self:flex-start;
}
.panel-tag i{font-size:9px;}
.panel-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.18);}
.panel-row:last-of-type{border-bottom:0;}
.panel-row dt{font-size:13.5px;color:var(--muted);margin:0;}
.panel-row dd{margin:0;font-size:14px;font-weight:600;color:#e2f4ff;text-align:right;}
.hero-side .panel-foot{
  margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(37,99,235,.16);border:1px solid var(--line);
  font-size:13px;color:var(--soft);
}
.hero-side .panel-foot strong{color:#7dd3fc;}

/* SECTIONS */
.section{padding:74px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.28));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:36px;}
.section-head h2{font-size:clamp(23px,2.5vw,33px);font-weight:800;letter-spacing:-.6px;margin-bottom:14px;}
.section-head p{color:var(--soft);margin:0;}
.section-head--wide{max-width:900px;}

.glass-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);}
.card-grid--2{grid-template-columns:repeat(2,1fr);}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,.22);border:1px solid var(--line-strong);color:#7dd3fc;font-size:17px;margin-bottom:16px;
}
.glass-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.glass-card p{color:var(--soft);font-size:14.5px;margin:0;}
.glass-card p + p{margin-top:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;letter-spacing:.8px;
  text-transform:uppercase;color:#bfe9ff;background:rgba(56,189,248,.14);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

/* TABLE */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
table.compare{width:100%;border-collapse:collapse;min-width:760px;margin:0;}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top;
}
table.compare thead th{
  background:rgba(37,99,235,.20);color:#e0f2fe;font-size:12.5px;letter-spacing:.8px;text-transform:uppercase;
}
table.compare td:first-child{color:var(--muted);font-weight:600;width:23%;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:rgba(56,189,248,.06);}
.table-note{margin-top:16px;font-size:13.5px;color:var(--muted);}

/* SPLIT */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:12.5px;color:#dbeafe;
  background:linear-gradient(0deg,rgba(3,7,18,.92),rgba(3,7,18,0));
}
.diff-list{list-style:none;counter-reset:diff;display:grid;gap:18px;margin-top:8px;}
.diff-list li{
  counter-increment:diff;position:relative;padding-left:54px;color:var(--soft);font-size:15px;
}
.diff-list li::before{
  content:counter(diff,decimal-leading-zero);
  position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;color:#03121f;
  background:linear-gradient(135deg,#7dd3fc,#2563eb);
}
.diff-list strong{color:#eaf6ff;display:block;margin-bottom:4px;font-size:15.5px;}

/* SCENARIOS */
.scenario-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.scenario-card h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.scenario-card h3 i{color:var(--cyan);}
.scenario-card ul{list-style:none;display:grid;gap:12px;}
.scenario-card li{display:flex;gap:11px;font-size:14.5px;color:var(--soft);align-items:flex-start;}
.scenario-card li i{color:#7dd3fc;margin-top:5px;font-size:12px;flex-shrink:0;}

/* MONEY */
.money-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);}
.money-card{
  background:linear-gradient(160deg,rgba(15,26,48,.86),rgba(8,18,41,.62));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);transition:border-color .25s ease,transform .25s ease;
}
.money-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.money-card h3{font-size:16px;margin-bottom:6px;}
.money-card .rate{
  font-size:30px;font-weight:800;letter-spacing:-1px;margin:10px 0 18px;
  background:linear-gradient(135deg,#e0f2fe,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.money-lines{display:grid;gap:10px;font-size:14px;}
.money-lines div{display:flex;justify-content:space-between;gap:14px;padding-bottom:9px;border-bottom:1px dashed rgba(56,189,248,.16);}
.money-lines div:last-child{border-bottom:0;padding-bottom:0;}
.money-lines span:first-child{color:var(--muted);}
.money-lines span:last-child{font-weight:600;color:#e2f4ff;text-align:right;}
.money-lines .win span:last-child{color:#7dd3fc;}
.money-lines .draw span:last-child{color:#fcd34d;}

/* MISTAKES + CHECKLIST */
.checklist-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);}
.check-item{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(12,23,48,.6);border:1px solid var(--line);
}
.check-item i{color:var(--cyan);font-size:16px;margin-top:3px;flex-shrink:0;}
.check-item strong{display:block;font-size:15px;color:#eaf6ff;margin-bottom:5px;}
.check-item p{margin:0;font-size:14px;color:var(--muted);}

/* TRUST STRIP */
.trust-strip{padding:52px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(5,13,32,.6);}
.trust-grid{display:grid;gap:26px;grid-template-columns:repeat(3,1fr);}
.trust-item{padding-left:18px;border-left:2px solid var(--line-strong);}
.trust-item h3{font-size:15px;margin-bottom:8px;color:#bfe9ff;text-transform:uppercase;letter-spacing:.8px;}
.trust-item p{margin:0;font-size:14px;color:var(--muted);}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-weight:600;font-size:15.5px;
  display:flex;justify-content:space-between;gap:18px;align-items:center;color:#eaf6ff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);
  font-size:13px;transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;color:var(--soft);font-size:14.5px;}

/* NEWS LIST */
.news-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr);}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.news-card h3{font-size:16px;margin:0;color:#fff;}
.news-card p{margin:0;font-size:14px;color:var(--muted);}
.news-meta{
  font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#7dd3fc;
}
.news-date{font-size:12.5px;color:var(--muted);margin-top:auto;}
.news-empty{
  padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--muted);font-size:14.5px;background:rgba(12,23,48,.5);
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line-strong);padding:46px 40px;box-shadow:var(--glow);
}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.20;}
.cta-band .cta-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(3,7,18,.96),rgba(8,18,41,.82));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;}
.cta-inner h2{font-size:clamp(22px,2.4vw,31px);margin-bottom:12px;}
.cta-inner p{color:var(--soft);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.topic-matrix{margin-top:44px;}
.topic-matrix h3{font-size:14px;letter-spacing:1px;text-transform:uppercase;color:#7dd3fc;margin-bottom:18px;}
.topic-grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);}
.topic-link{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(12,23,48,.72);border:1px solid var(--line);transition:all .22s ease;
}
.topic-link:hover{border-color:var(--line-strong);background:rgba(37,99,235,.20);transform:translateY(-3px);}
.topic-link strong{color:#fff;font-size:15px;}
.topic-link span{font-size:13px;color:var(--muted);}

/* FAB */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:13px 20px;border-radius:999px;
  color:#eaf6ff;font-size:14px;font-weight:600;
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(100deg,#38bdf8,#2563eb) border-box;
  border:1px solid transparent;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,box-shadow .25s ease,transform .25s ease;
}
.fab-support i{color:#7dd3fc;font-size:16px;}
.fab-support:hover{opacity:1;color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);}
.fab-support:active{transform:scale(.96);}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:#38bdf8;box-shadow:0 0 0 3px rgba(3,7,18,.9);
  animation:pulseDot 1.8s infinite ease-in-out;
}
@keyframes pulseDot{
  0%,100%{transform:scale(1);opacity:1;}
  50%{transform:scale(1.35);opacity:.65;}
}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.92),rgba(3,7,18,1));
  padding:58px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:350px;margin:18px 0 0;}
.footer-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:1.2px;color:#bae6fd;margin:0 0 16px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}
.age-chip{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);
  border-radius:999px;padding:6px 14px;color:#bae6fd;font-weight:600;
}
.legal-links{display:flex;gap:16px;flex-wrap:wrap;}
.legal-links a{color:var(--muted);}
.legal-links a:hover{color:#fff;}

/* RESPONSIVE */
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 20px;row-gap:12px;}
  .main-nav{
    order:3;width:100%;margin-left:0;display:none;flex-direction:column;align-items:stretch;gap:6px;
    padding-top:12px;border-top:1px solid var(--line);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;border-radius:12px;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .hero-grid,.split,.cta-inner{grid-template-columns:1fr;gap:34px;}
  .card-grid,.money-grid,.news-grid,.trust-grid,.topic-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .hero{padding:50px 0 56px;}
  .card-grid,.card-grid--2,.money-grid,.news-grid,.checklist-grid,.trust-grid,.topic-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab-support{padding:12px 16px;font-size:13px;bottom:88px;}
  .brand-text strong{font-size:14.5px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-inner{padding:10px 16px;gap:12px;}
  .header-actions .btn-ghost,.header-actions .btn-solid{padding:9px 13px;font-size:12.5px;border-radius:10px;}
  .brand-mark{width:38px;height:38px;font-size:16px;}
  .brand-text strong{font-size:13px;}
  .brand-text em{font-size:9.5px;letter-spacing:1.2px;}
  .hero h1{letter-spacing:-.4px;}
  .money-card .rate{font-size:26px;}
  .fab-support span.fab-label{display:none;}
  .fab-support{padding:14px;border-radius:50%;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#050d20;
  --bg-deep:#081229;
  --panel:rgba(15,26,48,.62);
  --panel-solid:#0c1730;
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --win:#4ade80;
  --draw:#fbbf24;
  --lose:#f87171;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 22px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 0 1px rgba(56,189,248,.22), 0 0 34px -8px rgba(37,99,235,.6);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050d20 48%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#a5e8ff;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.3px;color:#fff;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#7dd3fc;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lead{font-size:16.5px;color:var(--soft);max-width:820px;line-height:1.7;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#03121f;font-size:18px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.is-active{
  color:#eaf6ff;
  background:linear-gradient(135deg,rgba(37,99,235,.40),rgba(56,189,248,.22));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 17px;border-radius:12px;font-size:14px;font-weight:600;color:#dbeafe;
  border:1px solid rgba(148,163,184,.34);background:transparent;transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:700;color:#f8fafc;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 12px 30px -12px rgba(56,189,248,.9);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(56,189,248,1);filter:brightness(1.05);}
.btn-solid:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:600;color:#bae6fd;
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);transition:all .22s ease;
}
.btn-outline:hover{color:#fff;background:rgba(56,189,248,.14);border-color:var(--cyan);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#bae6fd;font-size:17px;background:rgba(8,18,41,.6);
}
.nav-toggle:hover{border-color:var(--line-strong);color:#fff;}

/* HERO */
.page-hero{position:relative;overflow:hidden;padding:58px 0 66px;border-bottom:1px solid var(--line);}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.9) 44%,rgba(8,18,41,.72) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:9px;color:#475569;}
.hero-split{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center;}
.page-hero h1{font-size:clamp(27px,3.3vw,41px);line-height:1.22;margin-bottom:18px;}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#7dd3fc,#2563eb 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;}
.hero-stat{min-width:118px;}
.hero-stat strong{
  display:block;font-size:22px;font-weight:800;letter-spacing:-.4px;
  background:linear-gradient(135deg,#e0f2fe,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat span{font-size:12.5px;color:var(--muted);}
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.formula-panel{padding:26px 26px 24px;}
.panel-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:1.2px;
  text-transform:uppercase;color:#7dd3fc;border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 13px;margin-bottom:16px;
}
.panel-tag i{font-size:10px;}
.panel-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;}
.formula-row{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:14.5px;
}
.formula-row span{color:var(--muted);}
.formula-row strong{color:#e0f2fe;font-weight:700;text-align:right;}
.panel-note{margin-top:16px;font-size:13.5px;color:var(--muted);line-height:1.65;}

/* SECTIONS */
.section{padding:62px 0;}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px;}
.section-head .lead{font-size:16px;}

.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{
  position:relative;padding:26px 24px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.tag-win{color:#bbf7d0;background:rgba(74,222,128,.14);border:1px solid rgba(74,222,128,.35);}
.tag-draw{color:#fde68a;background:rgba(251,191,36,.14);border:1px solid rgba(251,191,36,.35);}
.tag-lose{color:#fecaca;background:rgba(248,113,113,.14);border:1px solid rgba(248,113,113,.35);}
.case-card h3{font-size:17px;margin-bottom:10px;}
.case-card p{color:var(--muted);font-size:14.8px;line-height:1.68;}
.formula{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.26);
  border-radius:var(--radius-xs);
  padding:12px 14px;font-size:13.5px;color:#bae6fd;margin:16px 0 14px;
}
.case-example{font-size:14.5px;color:var(--soft);}
.case-example strong{color:#fff;}

.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);box-shadow:var(--shadow);
}
table.money{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px;}
table.money caption{
  text-align:left;padding:18px 20px 6px;color:var(--muted);font-size:13px;
}
table.money th{
  text-align:left;padding:15px 20px;background:rgba(37,99,235,.16);
  color:#e0f2fe;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;
}
table.money td{padding:15px 20px;border-top:1px solid var(--line);color:var(--soft);}
table.money td strong{color:#fff;}
table.money tbody tr:hover td{background:rgba(56,189,248,.06);}
.pos{color:var(--win);font-weight:600;}
.warn{color:var(--draw);font-weight:600;}
.neg{color:var(--lose);font-weight:600;}
.table-note{margin-top:14px;font-size:13.5px;color:var(--muted);}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;}
.split--reverse{grid-template-columns:.95fr 1.05fr;}
.media-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--shadow);
}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.media-card figcaption{padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);}
.bullet-list{list-style:none;display:grid;gap:14px;margin-top:6px;}
.bullet-list li{
  position:relative;padding-left:26px;color:var(--soft);font-size:15.2px;line-height:1.68;
}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 12px rgba(56,189,248,.6);
}
.bullet-list strong{color:#fff;}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;}
.mini-card{
  padding:20px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(8,18,41,.55);
}
.mini-card span{font-size:11.5px;letter-spacing:1.2px;text-transform:uppercase;color:#7dd3fc;font-weight:700;}
.mini-card strong{display:block;font-size:19px;color:#fff;margin:8px 0 6px;}
.mini-card p{font-size:13.6px;color:var(--muted);line-height:1.6;}

.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;counter-reset:step;margin-top:4px;}
.step{
  position:relative;padding:24px 24px 22px 70px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--panel);transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:22px;top:24px;font-size:15px;font-weight:800;color:#7dd3fc;letter-spacing:.5px;
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14.6px;color:var(--muted);line-height:1.68;}

.checklist{list-style:none;display:grid;gap:12px;margin-top:8px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 16px;
  border:1px solid var(--line);border-radius:var(--radius-xs);
  background:rgba(8,18,41,.55);color:var(--soft);font-size:15px;
}
.checklist i{color:var(--cyan);margin-top:5px;font-size:13px;}

.note-band{
  margin-top:28px;padding:20px 22px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.18),rgba(8,18,41,.72));
  color:var(--soft);font-size:14.8px;line-height:1.7;
}
.note-band strong{color:#fff;}

.faq-list{display:grid;gap:12px;max-width:920px;}
details.faq{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--panel);overflow:hidden;transition:border-color .22s ease;
}
details.faq:hover{border-color:var(--line-strong);}
details.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;color:#e2e8f0;
  font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:18px;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--cyan);line-height:1;
  transition:transform .25s ease;flex-shrink:0;
}
details.faq[open] summary::after{transform:rotate(45deg);}
details.faq[open] summary{color:#fff;}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.72;}

.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:24px;
  padding:44px;background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(8,18,41,.92));
  display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);margin-bottom:12px;}
.cta-band p{color:var(--soft);font-size:15.5px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.55);
  color:#e0f2fe;font-size:13.5px;font-weight:700;letter-spacing:.2px;
  opacity:.78;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,color .25s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);}
.fab:active{transform:scale(.96);}
.fab i{font-size:16px;color:#38bdf8;}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38), inset 0 0 16px rgba(37,99,235,.2);}
  50%{box-shadow:0 0 30px rgba(6,182,212,.66), inset 0 0 22px rgba(37,99,235,.36);}
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.3;}}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(5,13,32,.75),#030712);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.72;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:1.2px;color:#e2e8f0;margin-bottom:16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:36px;padding-top:22px;
  font-size:13px;color:var(--muted);
}
.age-chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-strong);color:#bae6fd;font-size:12px;font-weight:600;
}
.legal-links{display:flex;flex-wrap:wrap;gap:16px;}
.legal-links a{color:var(--muted);}
.legal-links a:hover{color:var(--cyan);}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-split{grid-template-columns:1fr;gap:34px;}
  .split,.split--reverse{grid-template-columns:1fr;gap:30px;}
  .case-grid{grid-template-columns:1fr 1fr;}
  .mini-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;
    gap:6px;padding:16px 20px 20px;background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);display:none;
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 16px;border-radius:12px;font-size:15px;}
}
@media (max-width:768px){
  .header-inner{height:68px;gap:12px;}
  .brand-text strong{font-size:14px;}
  .brand-text em{display:none;}
  .main-nav{top:68px;}
  .btn-ghost,.btn-solid{padding:9px 14px;font-size:13.5px;}
  .section{padding:48px 0;}
  .page-hero{padding:44px 0 52px;}
  .case-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .fab{left:12px;bottom:84px;padding:11px 15px;font-size:13px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:24px;}
  .section-head h2{font-size:21px;}
  .lead{font-size:15.4px;}
  .header-actions{gap:7px;}
  .btn-ghost,.btn-solid{padding:8px 11px;font-size:12.5px;border-radius:10px;}
  .nav-toggle{width:38px;height:38px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions a{width:100%;}
  .formula-row{flex-direction:column;align-items:flex-start;gap:4px;}
  .formula-row strong{text-align:left;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#050d20;
  --bg-deep:#081229;
  --panel:rgba(15,26,48,.62);
  --panel-solid:#0c1730;
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --shadow:0 22px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 0 1px rgba(56,189,248,.22), 0 0 34px -8px rgba(37,99,235,.6);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050d20 48%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#a5e8ff;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.4px;}
h1{font-size:clamp(28px,3.4vw,44px);}
h2{font-size:clamp(22px,2.4vw,32px);}
h3{font-size:18px;}
h4{font-size:15px;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:#7dd3fc;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}
.lead{font-size:16.5px;color:var(--soft);max-width:820px;}
.muted{color:var(--muted);}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);color:#03121f;font-size:18px;
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:-.3px;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.is-active{
  color:#eaf6ff;
  background:linear-gradient(135deg,rgba(37,99,235,.40),rgba(56,189,248,.22));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 17px;border-radius:12px;font-size:14px;font-weight:600;color:#dbeafe;
  border:1px solid rgba(148,163,184,.34);background:transparent;transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:700;color:#f8fafc;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 12px 30px -12px rgba(56,189,248,.9);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(56,189,248,1);filter:brightness(1.05);}
.btn-solid:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:14.5px;font-weight:600;color:#bae6fd;
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);transition:all .22s ease;
}
.btn-outline:hover{color:#fff;background:rgba(56,189,248,.14);border-color:var(--cyan);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#bae6fd;font-size:17px;background:rgba(8,18,41,.6);
}
/* HERO */
.hero{position:relative;overflow:hidden;padding:72px 0 76px;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 42%,rgba(8,18,41,.70) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(120deg,#7dd3fc,#2563eb 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{font-size:16.5px;color:var(--soft);max-width:640px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;}
.hero-stat{min-width:120px;}
.hero-stat strong{
  display:block;font-size:24px;font-weight:800;
  background:linear-gradient(135deg,#e0f2fe,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat span{font-size:12.5px;color:var(--muted);letter-spacing:.4px;}
/* CONSOLE PANEL */
.console{
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(12,23,48,.92),rgba(5,13,32,.86));
  box-shadow:var(--glow);overflow:hidden;
}
.console-head{
  display:flex;align-items:center;gap:12px;padding:14px 18px;
  border-bottom:1px solid var(--line);background:rgba(3,7,18,.6);
}
.console-dots{display:inline-flex;gap:6px;}
.console-dots i{width:9px;height:9px;border-radius:50%;background:rgba(148,163,184,.5);display:block;}
.console-dots i:first-child{background:#38bdf8;}
.console-dots i:nth-child(2){background:#2563eb;}
.console-title{font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#7dd3fc;}
.console-body{padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;}
.console-line{display:flex;justify-content:space-between;gap:14px;padding:11px 13px;border-radius:var(--radius-xs);background:rgba(8,18,41,.7);margin-bottom:9px;border-left:2px solid rgba(148,163,184,.35);}
.console-line .k{color:var(--muted);}
.console-line .v{color:#e2f5ff;font-weight:600;text-align:right;}
.console-line.is-win{border-left-color:#22c55e;}
.console-line.is-win .v{color:#86efac;}
.console-line.is-push{border-left-color:var(--cyan);}
.console-line.is-push .v{color:#7dd3fc;}
.console-line.is-lose{border-left-color:#f43f5e;}
.console-line.is-lose .v{color:#fda4af;}
.console-note{font-size:12.5px;color:var(--muted);line-height:1.6;padding-top:6px;font-family:'Be Vietnam Pro',sans-serif;}
/* SECTIONS */
.section{padding:70px 0;border-bottom:1px solid var(--line);position:relative;}
.section.is-alt{background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.28));}
.section-head{max-width:800px;margin-bottom:38px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--soft);margin-bottom:0;}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.figure figcaption{padding:13px 18px;font-size:12.5px;color:var(--muted);background:rgba(8,18,41,.72);border-top:1px solid var(--line);}
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(37,99,235,.5),rgba(56,189,248,.28));
  border:1px solid var(--line-strong);color:#bae6fd;font-size:18px;margin-bottom:16px;
}
.card h3{margin-bottom:10px;}
.card p{color:var(--soft);font-size:14.6px;margin-bottom:12px;}
.bullet-list li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--soft);font-size:14.6px;
}
.bullet-list li::before{
  content:"";position:absolute;left:4px;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
}
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;color:#7dd3fc;border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 13px;margin-bottom:14px;
}
/* CRITERIA */
.criteria{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:rgba(12,23,48,.5);transition:border-color .25s ease,background .25s ease;}
.criteria:hover{border-color:var(--line-strong);background:rgba(12,23,48,.72);}
.criteria .num{
  font-size:12px;font-weight:800;letter-spacing:1.6px;color:#7dd3fc;display:block;margin-bottom:10px;
}
.criteria h3{margin-bottom:14px;font-size:17px;}
.criteria li{display:flex;gap:10px;font-size:14.4px;color:var(--soft);padding:9px 0;border-bottom:1px dashed rgba(148,163,184,.18);}
.criteria li:last-child{border-bottom:0;}
.criteria li i{color:var(--cyan);font-size:12px;margin-top:6px;}
/* COMPARE */
.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(8,18,41,.55);}
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:0;border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:0;}
.compare-row > div{padding:18px 20px;font-size:14.4px;color:var(--soft);}
.compare-row > div + div{border-left:1px solid var(--line);}
.compare-head{background:rgba(37,99,235,.18);font-weight:700;color:#e2f5ff;text-transform:uppercase;font-size:12.5px;letter-spacing:1px;}
.compare-head > div{color:#bae6fd;font-weight:700;}
.compare-key{color:#e2f5ff;font-weight:600;}
/* STEPS */
.step-list{display:grid;gap:16px;}
.step{
  display:grid;grid-template-columns:58px 1fr;gap:22px;align-items:start;
  padding:24px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:linear-gradient(120deg,rgba(12,23,48,.72),rgba(5,13,32,.42));
  transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px);}
.step-num{
  width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;color:#03121f;
  background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 12px 28px -14px rgba(56,189,248,.95);
}
.step h3{margin-bottom:8px;}
.step p{margin-bottom:0;color:var(--soft);font-size:14.6px;}
/* MISTAKES */
.mistake{
  border:1px solid var(--line);border-left:3px solid #f43f5e;border-radius:var(--radius-xs);
  padding:20px 22px;background:rgba(12,23,48,.5);
}
.mistake h3{font-size:16px;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start;}
.mistake h3 i{color:#fb7185;font-size:14px;margin-top:5px;}
.mistake p{margin-bottom:0;color:var(--soft);font-size:14.4px;}
/* SCENARIOS */
.scenario{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(8,18,41,.55);display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease;
}
.scenario:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.scenario img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scenario-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scenario-body h3{font-size:16.5px;}
.scenario-body p{margin:0;color:var(--soft);font-size:14.3px;}
.scenario-flag{font-size:11.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:#7dd3fc;}
/* DATA */
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px;}
.data-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;
  background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(8,18,41,.6));
}
.data-item strong{
  display:block;font-size:28px;font-weight:800;color:#e0f2fe;line-height:1.2;
}
.data-item span{font-size:12.8px;color:var(--muted);display:block;margin-top:6px;}
.calc-box{
  border:1px solid var(--line-strong);border-radius:var(--radius);padding:24px;
  background:rgba(5,13,32,.8);
}
.calc-box h3{margin-bottom:14px;font-size:16.5px;}
.calc-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.2);font-size:14.4px;color:var(--soft);}
.calc-row:last-of-type{border-bottom:0;}
.calc-row b{color:#e2f5ff;}
/* CHECKLIST */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;padding:16px 18px;
  border:1px solid var(--line);border-radius:var(--radius-xs);background:rgba(12,23,48,.45);
  font-size:14.4px;color:var(--soft);
}
.check-item i{color:#22c55e;font-size:14px;margin-top:4px;}
.note-block{
  margin-top:26px;border:1px solid var(--line);border-left:3px solid var(--cyan);
  border-radius:var(--radius-xs);padding:20px 22px;background:rgba(8,18,41,.6);
}
.note-block h3{font-size:16px;margin-bottom:8px;}
.note-block p{margin-bottom:0;color:var(--soft);font-size:14.4px;}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:940px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(12,23,48,.5);transition:border-color .22s ease;}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,23,48,.78);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.5px;color:#eaf6ff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--cyan);
  transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-answer{padding:0 22px 20px;color:var(--soft);font-size:14.6px;}
/* NEWS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;border:1px solid var(--line);
  border-radius:var(--radius);background:rgba(12,23,48,.5);color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);color:#fff;}
.news-meta{font-size:11.5px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;color:#7dd3fc;}
.news-card h3{font-size:16.5px;color:#eaf6ff;}
.news-card p{margin:0;color:var(--soft);font-size:14.2px;}
.news-time{font-size:12.5px;color:var(--muted);margin-top:auto;}
.empty-note{color:var(--muted);font-size:14.6px;border:1px dashed var(--line-strong);border-radius:var(--radius-xs);padding:22px;}
.news-foot{margin-top:28px;}
/* CATEGORY MATRIX + CTA */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,rgba(37,99,235,.20),rgba(8,18,41,.62));
  display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.cat-card h3{font-size:17px;}
.cat-card p{margin:0;color:var(--soft);font-size:14.3px;}
.cat-card .cat-link{margin-top:auto;font-size:14px;font-weight:700;color:#7dd3fc;display:inline-flex;align-items:center;gap:8px;}
.cat-card .cat-link:hover{color:#fff;}
.cta-band{
  margin-top:36px;border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:34px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;
  background:linear-gradient(120deg,rgba(37,99,235,.30),rgba(5,13,32,.85));
  box-shadow:var(--glow);
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);margin-bottom:12px;}
.cta-band p{color:var(--soft);margin-bottom:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px;}
.trust-item{border-top:2px solid var(--line-strong);padding-top:16px;}
.trust-item h4{color:#bae6fd;margin-bottom:8px;font-size:14px;}
.trust-item p{margin:0;color:var(--muted);font-size:13.6px;}
/* FOOTER */
.site-footer{border-top:1px solid var(--line);background:rgba(3,7,18,.9);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:340px;}
.footer-col h4{color:#e2f5ff;margin-bottom:16px;font-size:14px;letter-spacing:.4px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.age-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;padding:6px 13px;color:#bae6fd;font-size:12.5px;}
.legal-links{display:inline-flex;gap:16px;flex-wrap:wrap;}
.legal-links a{color:var(--muted);font-size:13px;}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:0 20px;border-radius:999px;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38bdf8,#2563eb,#22d3ee);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2f5ff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab i{font-size:15px;color:#7dd3fc;}
.fab:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff;}
.fab:active{transform:scale(.95);}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px #030712;animation:blink 1.4s infinite;
}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
.fab{animation:fabFloat 4s ease-in-out infinite;}
.fab:hover{animation-play-state:paused;}
/* RESPONSIVE */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .data-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 22px;background:rgba(3,7,18,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:14.5px;}
  .header-actions{margin-left:auto;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .checklist{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:26px;}
  .trust-row{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row > div + div{border-left:0;border-top:1px solid var(--line);}
  .compare-row > div:first-child{background:rgba(37,99,235,.14);}
  .section{padding:56px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:14px;}
  .btn-ghost{padding:9px 12px;font-size:13px;}
  .btn-solid{padding:10px 14px;font-size:13.2px;}
  .grid-2,.grid-3,.grid-4,.data-strip{grid-template-columns:1fr;}
  .hero{padding:52px 0 56px;}
  .hero-stats{gap:18px;}
  .step{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{bottom:88px;padding:0 16px;font-size:12.8px;}
}