/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#050c1c;
  --bg-deep:#081229;
  --surface:rgba(11,22,44,.66);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.42);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --muted:#8fa3bd;
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --accent:#22d3ee;
  --lime:#a3e635;
  --gold:#fbbf24;
  --ok:#22c55e;
  --danger:#f43f5e;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 24px 60px -28px rgba(2,8,24,.95);
  --glow:0 0 22px rgba(56,189,248,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.015em}
h1{font-size:clamp(26px,3.5vw,42px)}
h2{font-size:clamp(23px,3vw,33px)}
h3{font-size:clamp(17px,1.7vw,20px)}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
::selection{background:rgba(56,189,248,.35)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.07);border-bottom:1px solid rgba(56,189,248,.07)}
.section-head{max-width:720px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.eyebrow i{font-size:11px}

/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(3,7,18,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:17px;box-shadow:0 0 18px rgba(56,189,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:background .2s,color .2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px}
.btn-login{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:600;color:var(--brand-2);border:1px solid transparent;transition:.2s}
.btn-login:hover{color:#fff;border-color:var(--line-strong)}
.btn-signup{padding:10px 18px;border-radius:var(--pill);font-size:14px;font-weight:700;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px -10px rgba(56,189,248,.9);transition:.22s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(56,189,248,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);cursor:pointer;place-items:center;font-size:15px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:var(--pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;box-shadow:0 12px 32px -12px rgba(56,189,248,.85),0 0 18px rgba(56,189,248,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(56,189,248,.95),0 0 26px rgba(56,189,248,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);border-color:var(--line-strong);color:#e2f2ff}
.btn-ghost:hover{background:rgba(56,189,248,.15);transform:translateY(-2px)}
.btn-block{width:100%}

/* hero */
.hero{position:relative;padding:60px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(900px 460px at 12% -12%,rgba(37,99,235,.42),transparent 62%),radial-gradient(760px 420px at 88% 4%,rgba(34,211,238,.2),transparent 60%),linear-gradient(180deg,#030712 0%,#081229 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(70% 62% at 50% 18%,#000,transparent);mask-image:radial-gradient(70% 62% at 50% 18%,#000,transparent)}
.hero h1{margin:18px 0 0;max-width:980px}
.hero-lead{margin-top:18px;max-width:780px;color:var(--text-soft);font-size:16px;line-height:1.74}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.trust-chips li{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:var(--pill);background:rgba(11,22,44,.7);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft)}
.trust-chips i{color:var(--accent);font-size:12px}
.status-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:34px}
.status-item{background:rgba(6,14,30,.9);padding:16px 18px;display:flex;gap:12px;align-items:center}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex-shrink:0;animation:pulse 1.9s infinite}
.status-item b{display:block;font-size:14px}
.status-item small{display:block;font-size:12px;color:var(--muted)}
.icon-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.matrix-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(9,18,38,.66);border:1px solid var(--line);transition:transform .22s,border-color .22s,box-shadow .22s}
.matrix-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.matrix-item i{color:var(--brand-2);font-size:17px;width:22px;text-align:center}
.matrix-item b{display:block;font-size:14px}
.matrix-item small{display:block;font-size:11.5px;color:var(--muted)}

/* generic split + stats */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat{padding:20px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(10px)}
.stat b{display:block;font-size:26px;font-weight:800;background:linear-gradient(135deg,#ffffff,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.55}

/* pain */
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pain-item{padding:22px 22px 22px 24px;border-left:2px solid rgba(244,63,94,.6);background:rgba(11,22,44,.5);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.pain-item i{color:#fb7185;font-size:16px}
.pain-item h3{margin-top:12px;font-size:17px}
.pain-item p{margin-top:8px;color:var(--muted);font-size:14.5px;line-height:1.66}

/* solution */
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--text-soft);line-height:1.65}
.check-list i{color:var(--ok);margin-top:5px;font-size:13px}
.panel{padding:26px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(11,22,44,.78));border:1px solid var(--line-strong);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.panel h3{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.panel ol{margin-top:18px;display:grid;gap:16px}
.panel li{display:flex;gap:13px}
.panel li b{display:block;font-size:14.5px}
.panel li p{margin-top:4px;font-size:13.6px;color:var(--muted);line-height:1.6}
.panel-num{width:28px;height:28px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;background:rgba(56,189,248,.14);border:1px solid var(--line-strong);color:var(--brand-2);font-size:13px;font-weight:700}

/* criteria */
.criteria{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.criteria-head{position:sticky;top:104px}
.criteria-body{display:grid;gap:20px}
.criterion{padding:24px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s;backdrop-filter:blur(10px)}
.criterion:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-3px)}
.criterion-num{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand-2)}
.criterion h3{margin-top:10px;font-size:18px;line-height:1.46}
.criterion p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.72}

/* category wall */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.cat-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);transition:transform .28s,border-color .28s,box-shadow .28s;backdrop-filter:blur(10px)}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 50px -26px rgba(56,189,248,.5)}
.cat-card img{height:172px;width:100%;object-fit:cover;opacity:.94}
.cat-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-body h3{font-size:18px}
.cat-body p{color:var(--muted);font-size:14.5px;line-height:1.66}
.cat-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px}
.cat-more i{transition:transform .25s}
.cat-card:hover .cat-more i{transform:translateX(4px)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.step{padding:24px 22px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line)}
.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-weight:800;font-size:15px}
.step h3{margin-top:14px;font-size:16.5px}
.step p{margin-top:9px;color:var(--muted);font-size:14px;line-height:1.66}

/* payment */
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pay-badges span{padding:9px 15px;border-radius:var(--pill);background:rgba(11,22,44,.85);border:1px solid var(--line-strong);font-size:13px;font-weight:600;color:#dff2ff}
.pay-table{border-radius:var(--radius-sm);border:1px solid var(--line);overflow:hidden;background:rgba(8,16,34,.72)}
.pay-row{display:flex;justify-content:space-between;gap:14px;padding:15px 18px;font-size:14px;border-bottom:1px solid rgba(56,189,248,.1)}
.pay-row:last-child{border-bottom:0}
.pay-row span:last-child{color:var(--accent);font-weight:600;white-space:nowrap}

/* demo */
.demo{background-image:linear-gradient(100deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.84) 44%,rgba(3,7,18,.46) 100%),url('/assets/images/5623380711d558e7.jpg');background-size:cover;background-position:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.demo-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.demo-copy p{margin-top:16px;color:var(--text-soft);font-size:15.5px;line-height:1.74;max-width:640px}
.demo-list{margin-top:20px;display:grid;gap:11px}
.demo-list li{display:flex;gap:11px;font-size:14.5px;color:var(--text-soft);line-height:1.65}
.demo-list i{color:var(--brand-2);margin-top:5px;font-size:12px}
.demo-shot{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-strong);box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.demo-shot img{width:100%;height:330px;object-fit:cover}

/* security */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.feature{padding:24px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s}
.feature:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.feature i{font-size:18px;color:var(--accent)}
.feature h3{margin-top:13px;font-size:17px}
.feature p{margin-top:9px;color:var(--muted);font-size:14.5px;line-height:1.7}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.quote{padding:24px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column}
.quote .stars{color:var(--gold);font-size:12.5px;letter-spacing:2px}
.quote p{margin-top:12px;color:var(--text-soft);font-size:14.5px;line-height:1.7}
.quote footer{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:11px}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-weight:700;font-size:14px;flex-shrink:0}
.quote footer b{display:block;font-size:14px}
.quote footer span{font-size:12.5px;color:var(--muted)}
.provider-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.provider-row b{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.provider-row span{padding:8px 14px;border-radius:var(--pill);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft);background:rgba(8,16,34,.6)}

/* news */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:34px;align-items:start;margin-top:30px}
.news-list{display:grid;gap:12px}
.news-item{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-sm);background:rgba(8,16,34,.62);border:1px solid var(--line);transition:transform .24s,border-color .24s,background .24s}
.news-item:hover{border-color:var(--line-strong);background:rgba(11,26,54,.82);transform:translateX(4px)}
.news-num{font-size:13px;font-weight:800;color:var(--brand-2);letter-spacing:.06em;padding-top:3px;min-width:26px}
.news-body{display:flex;flex-direction:column;gap:7px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.chip{padding:4px 10px;border-radius:var(--pill);background:rgba(56,189,248,.12);border:1px solid var(--line);font-size:11.5px;color:var(--brand-2);font-weight:600}
.news-date{font-size:12px;color:var(--muted)}
.news-title{font-size:15.5px;font-weight:700;line-height:1.5}
.news-excerpt{font-size:13.8px;color:var(--muted);line-height:1.6}
.news-arrow{color:var(--muted);font-size:12px;padding-top:6px}
.news-side{padding:24px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,16,34,.8));border:1px solid var(--line-strong)}
.news-side h3{font-size:13.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2)}
.side-item{display:block;padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14px;color:var(--text-soft);line-height:1.55;transition:color .2s,padding .2s}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:#fff;padding-left:5px}
.empty-state{padding:26px;border-radius:var(--radius-sm);border:1px dashed var(--line-strong);color:var(--muted);font-size:14.5px}

/* tiers */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;margin-top:34px}
.tier{display:flex;flex-direction:column;padding:28px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(10px);position:relative}
.tier--featured{background:linear-gradient(165deg,rgba(37,99,235,.28),rgba(8,16,34,.86));border-color:var(--line-strong);box-shadow:0 30px 60px -30px rgba(56,189,248,.6)}
.tier-flag{position:absolute;top:-13px;left:24px;padding:5px 13px;border-radius:var(--pill);background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:11.5px;font-weight:800;letter-spacing:.05em}
.tier-name{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.tier-price{margin-top:12px;font-size:26px;font-weight:800;color:#fff}
.tier-note{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}
.tier-list{margin-top:20px;display:grid;gap:11px;font-size:14.3px;color:var(--text-soft)}
.tier-list li{display:flex;gap:10px;line-height:1.6}
.tier-list i{color:var(--accent);margin-top:5px;font-size:11.5px}

/* guarantee */
.guarantee{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.guarantee div{background:rgba(6,14,30,.9);padding:22px 18px;display:flex;flex-direction:column;gap:10px}
.guarantee i{color:var(--accent);font-size:17px}
.guarantee b{font-size:14.5px}
.guarantee span{font-size:13px;color:var(--muted);line-height:1.58}

/* cta form */
.cta-section{background-image:linear-gradient(95deg,rgba(3,7,18,.97) 0%,rgba(6,16,38,.9) 50%,rgba(3,7,18,.86) 100%),url('/assets/images/cbd0c21677f331b5.jpg');background-size:cover;background-position:center;border-top:1px solid var(--line)}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.cta-copy p{margin-top:16px;color:var(--text-soft);font-size:15.5px;line-height:1.74;max-width:600px}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:11px;font-size:14.8px;color:var(--text-soft);line-height:1.65}
.cta-points i{color:var(--gold);margin-top:5px;font-size:13px}
.lead-form{padding:28px;border-radius:var(--radius);background:rgba(7,14,30,.88);border:1px solid var(--line-strong);backdrop-filter:blur(14px);box-shadow:var(--shadow);display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--text-soft)}
.field input,.field select{width:100%;padding:12px 14px;border-radius:12px;background:rgba(3,7,18,.8);border:1px solid var(--line);color:#fff;font-size:14.5px;transition:border-color .2s,box-shadow .2s}
.field input::placeholder{color:#5f7288}
.field input:focus,.field select:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.55}
.check input{margin-top:3px;accent-color:var(--brand-2)}
.form-msg{font-size:13.5px;color:var(--accent);min-height:18px}

/* footer */
.site-footer{background:linear-gradient(180deg,#030712,#010409);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.7;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.footer-badges span{padding:6px 12px;border-radius:var(--pill);border:1px solid var(--line);font-size:11.5px;color:var(--text-soft)}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);margin-bottom:16px}
.footer-col a,.footer-col span{display:block;padding:6px 0;font-size:14px;color:var(--muted);transition:color .2s,padding .2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#6b7f96}

/* fab */
.fab{position:fixed;left:16px;bottom:96px;z-index:60;display:inline-flex;align-items:center;gap:10px;padding:11px 18px 11px 12px;border-radius:var(--pill);border:1px solid transparent;background:linear-gradient(rgba(6,12,26,.92),rgba(6,12,26,.92)) padding-box,linear-gradient(135deg,var(--accent),var(--lime)) border-box;box-shadow:0 0 20px rgba(34,211,238,.4);opacity:.82;transition:opacity .25s,transform .25s,box-shadow .25s;font-size:13px;font-weight:600;color:#e6f9ff}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65)}
.fab:active{transform:scale(.96)}
.fab-icon{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#04101f;font-size:13px}
.fab-dot{position:absolute;top:-3px;right:-3px;width:10px;height:10px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotPulse 1.7s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@keyframes dotPulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}100%{transform:scale(1);opacity:1}}

@media (max-width:1024px){
  .nav-toggle{display:grid}
  .nav-actions{margin-left:auto;gap:6px}
  .btn-login{padding:8px 10px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .nav-links{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:16px 20px 22px;background:rgba(3,7,18,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-strong);transform:translateY(-140%);transition:transform .3s ease;margin-left:0;z-index:85}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:12px 14px;font-size:15px}
  .criteria{grid-template-columns:1fr;gap:28px}
  .criteria-head{position:static}
  .split{grid-template-columns:1fr;gap:30px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr;gap:26px}
  .tier-grid{grid-template-columns:1fr;gap:22px}
  .guarantee{grid-template-columns:repeat(3,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .demo-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:44px 0 42px}
  .status-bar{grid-template-columns:1fr 1fr}
  .icon-matrix{grid-template-columns:1fr 1fr}
  .pain-list{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .guarantee{grid-template-columns:1fr 1fr}
  .demo-shot img{height:260px}
}
@media (max-width:520px){
  .status-bar{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .icon-matrix{grid-template-columns:1fr}
  .guarantee{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .brand-text span{display:none}
  .lead-form{padding:22px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#050c1c;
  --bg-deep:#081229;
  --surface:rgba(11,22,44,.66);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.42);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --muted:#8fa3bd;
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --accent:#22d3ee;
  --lime:#a3e635;
  --gold:#fbbf24;
  --ok:#22c55e;
  --danger:#f43f5e;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 24px 60px -28px rgba(2,8,24,.95);
  --glow:0 0 22px rgba(56,189,248,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(26px,3.5vw,40px)}
h2{font-size:clamp(21px,2.7vw,30px)}
h3{font-size:18px;font-weight:700}
p{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.07);border-bottom:1px solid rgba(56,189,248,.07)}
.section-head{max-width:760px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.eyebrow i{font-size:11px}
/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(3,7,18,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:17px;box-shadow:0 0 18px rgba(56,189,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:background .2s,color .2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px}
.btn-login{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:600;color:var(--brand-2);border:1px solid transparent;transition:.2s}
.btn-login:hover{color:#fff;border-color:var(--line-strong)}
.btn-signup{padding:10px 18px;border-radius:var(--pill);font-size:14px;font-weight:700;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px -10px rgba(56,189,248,.9);transition:.22s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(56,189,248,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);cursor:pointer;place-items:center;font-size:15px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:var(--pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;box-shadow:0 12px 32px -12px rgba(56,189,248,.85),0 0 18px rgba(56,189,248,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(56,189,248,.95),0 0 26px rgba(56,189,248,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);border-color:var(--line-strong);color:#e2f2ff}
.btn-ghost:hover{background:rgba(56,189,248,.15);transform:translateY(-2px)}
.btn-block{width:100%}
/* article hero */
.article-hero{position:relative;padding:42px 0 54px;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(820px 420px at 8% -18%,rgba(37,99,235,.42),transparent 62%),radial-gradient(720px 400px at 92% 0%,rgba(34,211,238,.2),transparent 60%),linear-gradient(180deg,#030712 0%,#081229 100%)}
.article-hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(72% 60% at 40% 14%,#000,transparent);mask-image:radial-gradient(72% 60% at 40% 14%,#000,transparent)}
.breadcrumb{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--text-soft);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.75fr);gap:44px;align-items:start;margin-top:20px}
.article-hero h1{margin:16px 0 0}
.hero-lead{margin-top:18px;color:var(--text-soft);font-size:16px;line-height:1.76;max-width:720px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:var(--pill);background:rgba(11,22,44,.72);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft)}
.meta-chip i{color:var(--accent);font-size:12px}
.author-strip{display:flex;align-items:center;gap:14px;margin-top:24px;padding:15px 18px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);max-width:660px}
.author-avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-weight:800;font-size:15px;flex:0 0 auto}
.author-body{min-width:0}
.author-body b{display:block;font-size:14.5px}
.author-body small{display:block;font-size:12.5px;color:var(--muted)}
.author-strip .btn{margin-left:auto;padding:10px 16px;font-size:13.5px}
.hero-cover{position:relative;z-index:2;margin-top:32px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:rgba(6,14,30,.9);box-shadow:var(--shadow)}
.hero-cover img{width:100%;height:330px;object-fit:cover}
.hero-cover figcaption{padding:14px 18px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line)}
.hero-panel{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.hero-panel h3{font-size:15px;margin-bottom:16px}
.hero-panel .btn{margin-top:16px}
.panel-list li{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:13.5px;color:var(--text-soft);border-bottom:1px dashed rgba(56,189,248,.16)}
.panel-list li:last-child{border-bottom:0}
.panel-list i{color:var(--brand-2);font-size:13px;width:16px;text-align:center}
/* article layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}
.article-main{max-width:720px;min-width:0}
.article-body{font-size:16.5px;line-height:1.78;color:var(--text-soft)}
.article-body h2{color:#fff;margin:38px 0 14px;font-size:clamp(21px,2.4vw,27px)}
.article-body h3{color:#fff;margin:28px 0 10px;font-size:19px}
.article-body h4{color:#fff;margin:22px 0 8px;font-size:16.5px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 9px}
.article-body img{border-radius:var(--radius-sm);margin:20px 0;border:1px solid var(--line)}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(56,189,248,.4)}
.article-body a:hover{color:#fff}
.article-body strong{color:#fff}
.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}
.article-body th{background:rgba(37,99,235,.18);color:#fff}
.article-body blockquote{margin:22px 0;padding:16px 20px;border-left:3px solid var(--brand-2);background:rgba(11,22,44,.6);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-soft)}
.empty-state{padding:40px 32px;border-radius:var(--radius);background:rgba(9,18,38,.6);border:1px solid var(--line);text-align:left}
.empty-state i{font-size:30px;color:var(--brand-2)}
.empty-state h2{margin:16px 0 10px;font-size:22px}
.empty-state p{color:var(--muted);font-size:15px;line-height:1.72;margin-bottom:20px;max-width:560px}
/* sidebar */
.sidebar{position:sticky;top:94px;display:grid;gap:18px}
.side-panel{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.side-panel h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-panel h3 i{color:var(--brand-2);font-size:13px}
.side-panel p{font-size:13.5px;color:var(--muted);line-height:1.7}
.fact-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:13.5px}
.fact-list li:last-child{border-bottom:0}
.fact-list span{color:var(--muted)}
.fact-list b{color:#fff;font-weight:600;text-align:right}
.side-cta{background:linear-gradient(150deg,rgba(37,99,235,.34),rgba(8,18,41,.92));border-color:var(--line-strong);box-shadow:var(--glow)}
.side-cta .btn{margin-top:16px}
/* highlights */
.highlight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
.highlight{display:flex;gap:15px;padding:24px;border-radius:var(--radius);background:rgba(9,18,38,.6);border:1px solid var(--line);transition:transform .24s,border-color .24s,box-shadow .24s}
.highlight:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.highlight .ico{width:46px;height:46px;flex:0 0 auto;border-radius:13px;display:grid;place-items:center;background:rgba(56,189,248,.12);color:var(--brand-2);font-size:18px}
.highlight b{display:block;font-size:16px;margin-bottom:7px}
.highlight p{font-size:14px;color:var(--muted);line-height:1.7}
/* odds table */
.table-wrap{margin-top:34px;overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:rgba(9,18,38,.6)}
.odds-table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px}
.odds-table th,.odds-table td{padding:15px 18px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12)}
.odds-table thead th{background:rgba(37,99,235,.2);color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.odds-table tbody tr:last-child td{border-bottom:0}
.odds-table tbody tr:hover{background:rgba(56,189,248,.06)}
.odds-table td:first-child{color:#fff;font-weight:600}
.odds-table td:nth-child(2){color:var(--muted)}
.odds-table td:last-child{color:var(--accent);font-weight:700;white-space:nowrap}
.note-line{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.72;max-width:820px}
/* payments */
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px;margin-top:36px}
.pay-item{padding:24px;border-radius:var(--radius);background:rgba(6,14,30,.86);border:1px solid var(--line);transition:transform .24s,border-color .24s}
.pay-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.pay-item i{font-size:20px;color:var(--brand-2)}
.pay-item b{display:block;margin:14px 0 8px;font-size:15.5px}
.pay-item span{display:block;font-size:13.5px;color:var(--muted);line-height:1.68}
/* steps */
.steps{display:grid;gap:16px;margin-top:36px;max-width:900px}
.step{display:flex;gap:18px;padding:22px 24px;border-radius:var(--radius-sm);background:rgba(9,18,38,.6);border:1px solid var(--line);transition:border-color .24s,box-shadow .24s}
.step:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.step-num{width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-weight:800;font-size:15px}
.step b{display:block;font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}
/* metrics */
.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.metric{background:rgba(6,14,30,.94);padding:28px 22px}
.metric b{display:block;font-size:clamp(23px,2.9vw,31px);font-weight:800;background:linear-gradient(135deg,var(--brand-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.metric span{display:block;margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.6}
/* faq */
.faq{display:grid;gap:12px;margin-top:34px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(9,18,38,.6);padding:0 22px;transition:border-color .22s,box-shadow .22s}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 0;font-weight:600;font-size:15.5px;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(--brand-2);transition:transform .25s}
.faq-item[open] summary::after{content:"\f068"}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-item p{padding:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.74;max-width:780px}
/* related */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:34px}
.related-card{display:block;padding:22px;border-radius:var(--radius-sm);background:rgba(9,18,38,.6);border:1px solid var(--line);transition:transform .24s,border-color .24s,box-shadow .24s}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.related-card small{display:inline-block;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2);margin-bottom:10px}
.related-card h3{font-size:16px;line-height:1.5}
/* cta */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-strong);background:linear-gradient(150deg,rgba(37,99,235,.34),rgba(8,18,41,.94));padding:44px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.7fr);gap:40px;align-items:center}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/5623380711d558e7.jpg') center/cover no-repeat;opacity:.16;mix-blend-mode:luminosity}
.cta-copy,.cta-action{position:relative;z-index:2}
.cta-copy h2{margin:16px 0 14px}
.cta-copy p{color:var(--text-soft);font-size:15px;line-height:1.74;max-width:620px}
.cta-list{margin-top:20px;display:grid;gap:9px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-soft)}
.cta-list i{color:var(--lime);font-size:13px;margin-top:5px}
.cta-action{display:grid;gap:12px}
.cta-action small{display:block;text-align:center;font-size:12.5px;color:var(--muted)}
/* fab */
.fab{position:fixed;left:16px;bottom:96px;z-index:80;display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:12px 20px;border-radius:var(--pill);border:1px solid transparent;background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,var(--accent),var(--brand));background-origin:border-box;background-clip:padding-box,border-box;color:#e2f2ff;font-weight:600;font-size:13.5px;opacity:.8;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:fabPulse 2.8s ease-in-out infinite;transition:opacity .25s,transform .25s}
.fab i{color:var(--accent);font-size:16px}
.fab:hover{opacity:1;transform:translateY(-3px);animation:none;box-shadow:0 0 26px rgba(34,211,238,.5)}
.fab:active{transform:scale(.96)}
.fab-dot{position:absolute;top:7px;right:10px;width:8px;height:8px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotBlink 1.6s infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(34,211,238,.32)}50%{box-shadow:0 0 30px rgba(34,211,238,.5)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* footer */
.site-footer{background:linear-gradient(180deg,#030712,#050c1c);border-top:1px solid var(--line);padding-top:56px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.72;margin:16px 0 18px;max-width:430px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{padding:6px 11px;border-radius:var(--pill);border:1px solid var(--line);background:rgba(11,22,44,.7);font-size:11.5px;color:var(--text-soft)}
.footer-col h4{font-size:14px;margin-bottom:14px;color:#fff}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;padding-bottom:30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom p{font-size:12.5px;color:var(--muted);margin:0}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .sidebar{position:static}
  .article-main{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:920px){
  .nav{gap:10px}
  .nav-toggle{display:grid;order:3}
  .nav-actions{margin-left:auto;order:2}
  .nav-links{position:fixed;top:72px;left:0;right:0;order:4;flex-direction:column;align-items:stretch;gap:6px;margin-left:0;padding:16px 20px 24px;background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);transform:translateY(-140%);transition:transform .3s ease;max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:12px 14px;font-size:14.5px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero-cover img{height:230px}
  .highlight-grid{grid-template-columns:1fr}
  .author-strip{flex-wrap:wrap}
  .author-strip .btn{margin-left:0;width:100%}
  .metric-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .btn-login{padding:8px 9px;font-size:12.5px}
  .btn-signup{padding:9px 12px;font-size:12.5px}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .brand-text strong{font-size:13.5px}
  .brand-text span{font-size:9px}
  .hero-lead{font-size:15px}
  .article-body{font-size:16px}
  .step{flex-direction:column;gap:12px}
  .fab{bottom:82px;left:12px;padding:11px 16px;font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#050c1c;
  --bg-deep:#081229;
  --surface:rgba(11,22,44,.66);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.42);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --muted:#8fa3bd;
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --accent:#22d3ee;
  --lime:#a3e635;
  --gold:#fbbf24;
  --ok:#22c55e;
  --danger:#f43f5e;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 24px 60px -28px rgba(2,8,24,.95);
  --glow:0 0 22px rgba(56,189,248,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.24;letter-spacing:-.01em}
h1{font-size:clamp(27px,4.4vw,44px)}
h2{font-size:clamp(21px,2.9vw,31px)}
h3{font-size:clamp(16.5px,1.9vw,19.5px);font-weight:700}
h4{font-size:15px;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.07);border-bottom:1px solid rgba(56,189,248,.07)}
.section-head{max-width:760px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.eyebrow i{font-size:11px}
.glass{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(3,7,18,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:17px;box-shadow:0 0 18px rgba(56,189,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:background .2s,color .2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px}
.btn-login{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:600;color:var(--brand-2);border:1px solid transparent;transition:.2s}
.btn-login:hover{color:#fff;border-color:var(--line-strong)}
.btn-signup{padding:10px 18px;border-radius:var(--pill);font-size:14px;font-weight:700;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px -10px rgba(56,189,248,.9);transition:.22s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(56,189,248,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);cursor:pointer;place-items:center;font-size:15px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:var(--pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;box-shadow:0 12px 32px -12px rgba(56,189,248,.85),0 0 18px rgba(56,189,248,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(56,189,248,.95),0 0 26px rgba(56,189,248,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);border-color:var(--line-strong);color:#e2f2ff}
.btn-ghost:hover{background:rgba(56,189,248,.15);transform:translateY(-2px)}
.btn-block{width:100%}
/* hero */
.hero{position:relative;padding:58px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(900px 460px at 10% -14%,rgba(37,99,235,.42),transparent 62%),radial-gradient(760px 420px at 90% 2%,rgba(34,211,238,.2),transparent 60%),linear-gradient(180deg,#030712 0%,#081229 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(70% 62% at 50% 16%,#000,transparent);mask-image:radial-gradient(70% 62% at 50% 16%,#000,transparent)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:start}
.hero h1{margin-top:18px;max-width:760px}
.hero-lead{margin-top:18px;max-width:660px;color:var(--text-soft);font-size:15.8px;line-height:1.74}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.trust-chips li{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:var(--pill);background:rgba(11,22,44,.7);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft)}
.trust-chips i{color:var(--accent);font-size:12px}
.hero-note{margin-top:20px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(37,99,235,.12);border:1px solid var(--line-strong);font-size:13px;color:var(--text-soft);line-height:1.6;max-width:660px}
.hero-note b{color:#fff}
.hero-panel{padding:18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.hero-panel img{border-radius:var(--radius-sm);aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-panel-cap{margin-top:14px;font-size:12.5px;color:var(--muted)}
.status-list{margin-top:16px;display:grid;gap:2px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.status-item{background:rgba(6,14,30,.9);padding:14px 16px;display:flex;gap:12px;align-items:center;border-bottom:1px solid rgba(56,189,248,.08)}
.status-item:last-child{border-bottom:0}
.status-item i{color:var(--accent);width:20px;text-align:center;font-size:14px}
.status-item b{display:block;font-size:13.5px}
.status-item small{display:block;font-size:11.5px;color:var(--muted)}
/* feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.feature{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(12px);transition:transform .24s,border-color .24s,box-shadow .24s}
.feature:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.feature i{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--brand-2);font-size:17px;margin-bottom:16px}
.feature h3{margin-bottom:10px}
.feature p{color:var(--muted);font-size:14.5px;line-height:1.7}
/* bet rows */
.bet-list{margin-top:32px;display:grid;gap:10px}
.bet-row{display:grid;grid-template-columns:1.15fr 1.25fr auto;gap:18px;align-items:center;padding:16px 20px;border-radius:var(--radius-sm);background:rgba(9,18,38,.62);border:1px solid var(--line);transition:border-color .22s,background .22s}
.bet-row:hover{border-color:var(--line-strong);background:rgba(12,24,48,.8)}
.bet-row b{font-size:15px}
.bet-row span{font-size:13.5px;color:var(--muted);line-height:1.6}
.pay-badge{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--pill);background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(56,189,248,.2));border:1px solid var(--line-strong);font-size:13px;font-weight:700;color:#e6f6ff;white-space:nowrap}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:start;margin-top:34px}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.variant-list{margin-top:22px;display:grid;gap:12px}
.variant{display:flex;gap:14px;padding:16px 18px;border-radius:var(--radius-sm);background:rgba(9,18,38,.6);border:1px solid var(--line)}
.variant i{color:var(--brand-2);font-size:16px;margin-top:3px}
.variant b{display:block;font-size:14.5px;margin-bottom:5px}
.variant p{font-size:13.5px;color:var(--muted);line-height:1.65}
/* steps */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:36px}
.step{display:flex;gap:16px;padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .24s,border-color .24s}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.step-num{flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:16px;color:#03101f;background:linear-gradient(135deg,var(--brand-2),var(--accent));box-shadow:0 0 16px rgba(34,211,238,.35)}
.step h3{margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.68}
/* promo panel */
.promo-list{display:grid;gap:12px}
.promo-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-sm);background:rgba(9,18,38,.66);border:1px solid var(--line)}
.promo-item .amount{flex:0 0 auto;font-weight:800;font-size:15px;color:var(--gold);min-width:96px}
.promo-item p{font-size:13.6px;color:var(--muted);line-height:1.66}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--text-soft);line-height:1.65}
.check-list i{color:var(--ok);margin-top:4px;font-size:13px}
/* payment rows */
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.pay-card{padding:20px;border-radius:var(--radius-sm);background:rgba(9,18,38,.62);border:1px solid var(--line);transition:transform .22s,border-color .22s,box-shadow .22s}
.pay-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pay-card b{display:block;font-size:15px;margin-bottom:6px}
.pay-card span{font-size:13.4px;color:var(--muted);line-height:1.65}
.pay-card em{display:inline-block;margin-top:12px;font-style:normal;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--lime)}
/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.quote{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.quote p{font-size:14.4px;color:var(--text-soft);line-height:1.72}
.quote footer{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.quote footer b{display:block;color:#fff;font-size:13.5px}
.stars{color:var(--gold);font-size:12.5px;letter-spacing:2px;margin-bottom:12px}
/* faq */
.faq-list{margin-top:32px;display:grid;gap:12px;max-width:960px}
.faq{background:rgba(9,18,38,.62);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 20px;transition:border-color .22s}
.faq[open]{border-color:var(--line-strong)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--brand-2);flex:0 0 auto;transition:transform .22s}
.faq[open] summary::after{content:"\f068"}
.faq p{padding-bottom:20px;font-size:14.3px;color:var(--muted);line-height:1.72}
/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.post-card{border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .24s,border-color .24s,box-shadow .24s}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.post-body h3 a:hover{color:var(--brand-2)}
.post-body p{font-size:13.8px;color:var(--muted);line-height:1.66}
.post-date{font-size:12px;color:var(--muted);margin-top:auto}
.empty-note{margin-top:28px;padding:22px;border-radius:var(--radius-sm);background:rgba(9,18,38,.6);border:1px dashed var(--line-strong);color:var(--muted);font-size:14px}
/* cta band */
.cta-band{margin-top:0;padding:44px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(37,99,235,.3),rgba(34,211,238,.14)),rgba(6,14,30,.9);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
.cta-band h2{max-width:620px}
.cta-band p{margin-top:12px;color:var(--text-soft);font-size:14.8px;max-width:620px;line-height:1.7}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(5,12,28,.7),#030712);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{margin-top:16px;font-size:13.4px;color:var(--muted);line-height:1.7;max-width:380px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badges span{padding:6px 12px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line);font-size:11.5px;color:var(--text-soft)}
.footer-col h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:13.4px;color:var(--muted);padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:12.4px;color:var(--muted);line-height:1.65}
/* fab */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:12px 20px;border-radius:var(--pill);font-size:13.5px;font-weight:700;color:#e6f6ff;background:linear-gradient(rgba(6,12,26,.9),rgba(6,12,26,.9)) padding-box,linear-gradient(135deg,var(--lime),var(--accent)) border-box;border:2px solid transparent;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 0 20px rgba(34,211,238,.45);opacity:.78;transition:opacity .25s,transform .25s,box-shadow .25s;animation:fabFloat 3.4s ease-in-out infinite}
.fab i{font-size:16px;color:var(--lime)}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(34,211,238,.75)}
.fab:active{transform:scale(.95) translateY(0);box-shadow:0 0 14px rgba(244,63,94,.6)}
.fab .fab-dot{position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 2px #030712,0 0 12px rgba(244,63,94,.95);animation:dotPulse 1.6s ease-in-out infinite}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.32}}
/* responsive */
@media (max-width:1024px){
  .section{padding:58px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .quote-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;margin-left:0;padding:14px 20px 22px;background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);transform:translateY(-132%);visibility:hidden;transition:transform .3s ease,visibility .3s ease}
  .nav-links.open{transform:translateY(0);visibility:visible}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:14.5px}
  .nav-actions{margin-left:auto;gap:6px}
  .nav-toggle{display:grid}
  .btn-login{padding:8px 12px;font-size:13.5px}
  .btn-signup{padding:9px 15px;font-size:13.5px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:768px){
  .feature-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .bet-row{grid-template-columns:1fr;gap:8px;padding:16px}
  .bet-row .pay-badge{justify-self:start}
  .post-grid{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 100%}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:42px 0 44px}
  .brand-text span{display:none}
  .brand-text strong{font-size:13.5px;max-width:104px;display:block;line-height:1.2}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .nav{min-height:64px;gap:8px}
  .nav-links{top:64px}
  .nav-toggle{width:38px;height:38px}
  .btn-login{padding:7px 9px;font-size:12.5px}
  .btn-signup{padding:8px 12px;font-size:12.5px}
  .hero-actions .btn{width:100%}
  .trust-chips li{font-size:12px}
  .promo-item{flex-direction:column;gap:6px}
  .fab{left:12px;bottom:84px;padding:11px 16px;font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#050c1c;
  --bg-deep:#081229;
  --surface:rgba(11,22,44,.66);
  --surface-2:rgba(9,18,38,.82);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.42);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --muted:#8fa3bd;
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --accent:#22d3ee;
  --lime:#a3e635;
  --gold:#fbbf24;
  --ok:#22c55e;
  --danger:#f43f5e;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 24px 60px -28px rgba(2,8,24,.95);
  --glow:0 0 22px rgba(56,189,248,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.14;font-weight:800;letter-spacing:-.015em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.22;font-weight:800;letter-spacing:-.01em}
h3{font-size:19px;line-height:1.35;font-weight:700}
h4{font-size:15px;font-weight:700}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.07);border-bottom:1px solid rgba(56,189,248,.07)}
.section-head{max-width:760px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72}
.section-head--wide{max-width:900px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.eyebrow i{font-size:11px}
/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(3,7,18,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:17px;box-shadow:0 0 18px rgba(56,189,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:background .2s,color .2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px}
.btn-login{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:600;color:var(--brand-2);border:1px solid transparent;transition:.2s}
.btn-login:hover{color:#fff;border-color:var(--line-strong)}
.btn-signup{padding:10px 18px;border-radius:var(--pill);font-size:14px;font-weight:700;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px -10px rgba(56,189,248,.9);transition:.22s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(56,189,248,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);cursor:pointer;place-items:center;font-size:15px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:var(--pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;box-shadow:0 12px 32px -12px rgba(56,189,248,.85),0 0 18px rgba(56,189,248,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(56,189,248,.95),0 0 26px rgba(56,189,248,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);border-color:var(--line-strong);color:#e2f2ff}
.btn-ghost:hover{background:rgba(56,189,248,.15);transform:translateY(-2px)}
.btn-block{width:100%}
/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);padding-top:22px}
.crumb a:hover{color:var(--brand-2)}
.crumb i{font-size:9px;opacity:.7}
/* hero */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding-bottom:56px}
.cat-hero::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(3,7,18,.9),rgba(3,7,18,.96)),url('/assets/images/cbd0c21677f331b5.jpg') center/cover no-repeat}
.cat-hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(72% 66% at 42% 12%,#000,transparent);mask-image:radial-gradient(72% 66% at 42% 12%,#000,transparent)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;padding-top:34px}
.hero-copy h1{margin-top:18px}
.hero-lead{margin-top:18px;max-width:660px;color:var(--text-soft);font-size:16px;line-height:1.74}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:var(--pill);background:rgba(11,22,44,.72);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft)}
.hero-tags i{color:var(--accent);font-size:12px}
.promo-panel{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.promo-panel h2{font-size:17px;letter-spacing:.01em}
.promo-panel .panel-sub{font-size:12.5px;color:var(--muted);margin-top:6px}
.promo-code{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(34,211,238,.08);border:1px dashed var(--line-strong)}
.promo-code b{font-size:19px;letter-spacing:.14em;color:var(--accent)}
.promo-code small{font-size:11px;color:var(--muted);display:block;letter-spacing:.04em;text-transform:uppercase}
.promo-rows{margin-top:16px;display:grid;gap:10px}
.promo-rows li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 14px;border-radius:12px;background:rgba(6,14,30,.72);border:1px solid var(--line);font-size:13.5px}
.promo-rows li span{color:var(--text-soft)}
.promo-rows li b{color:var(--brand-2);font-size:13.5px;white-space:nowrap}
/* grid utilities */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mt-34{margin-top:34px}
/* promo cards */
.promo-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.promo-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.promo-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.promo-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.promo-card:hover .thumb img{transform:scale(1.05)}
.promo-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.88))}
.tag{position:absolute;top:12px;left:12px;z-index:2;padding:5px 11px;border-radius:var(--pill);font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f}
.tag--gold{background:linear-gradient(135deg,#f59e0b,var(--gold));color:#25160a}
.tag--lime{background:linear-gradient(135deg,#65a30d,var(--lime));color:#15200a}
.promo-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.promo-value{font-size:26px;font-weight:800;color:var(--brand-2);line-height:1.1}
.promo-body p{font-size:14px;color:var(--muted);line-height:1.7}
.promo-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.chip{padding:5px 11px;border-radius:var(--pill);font-size:11.5px;color:var(--text-soft);background:rgba(56,189,248,.08);border:1px solid var(--line)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;counter-reset:step}
.step{position:relative;padding:24px 20px 22px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line);transition:border-color .25s,transform .25s}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.18));border:1px solid var(--line-strong);color:var(--brand-2);font-weight:800;font-size:14px}
.step h3{margin-top:14px;font-size:16.5px}
.step p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.7}
/* tier table */
.tier-table{margin-top:32px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface-2)}
.tier-row{display:grid;grid-template-columns:1.2fr .9fr 1fr 1fr;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);font-size:14px}
.tier-row:last-child{border-bottom:0}
.tier-row--head{background:rgba(56,189,248,.07);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--brand-2);font-weight:700}
.tier-row:not(.tier-row--head):hover{background:rgba(56,189,248,.05)}
.tier-name{display:flex;align-items:center;gap:10px;font-weight:700}
.tier-name i{color:var(--gold)}
.tier-row span{color:var(--text-soft)}
.tier-row .hi{color:var(--brand-2);font-weight:700}
/* payment */
.pay-card{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.pay-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pay-card i{font-size:20px;color:var(--brand-2);width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:rgba(56,189,248,.09);border:1px solid var(--line);flex-shrink:0}
.pay-card h3{font-size:16px}
.pay-card p{margin-top:8px;font-size:13.6px;color:var(--muted);line-height:1.68}
.pay-card b{display:block;margin-top:10px;font-size:13.5px;color:var(--lime)}
/* weekly */
.week{display:grid;gap:12px;margin-top:32px}
.week-row{display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center;padding:16px 20px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--line);transition:border-color .22s,transform .22s}
.week-row:hover{border-color:var(--line-strong);transform:translateX(4px)}
.week-day{font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:10px}
.week-day i{color:var(--accent);font-size:13px}
.week-row p{font-size:13.8px;color:var(--muted)}
.week-badge{padding:6px 13px;border-radius:var(--pill);font-size:12px;font-weight:700;background:rgba(34,211,238,.12);border:1px solid var(--line-strong);color:var(--accent);white-space:nowrap}
/* testimonials */
.quote{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
.quote p{font-size:14.4px;color:var(--text-soft);line-height:1.74}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-weight:800;font-size:14px}
.quote-who b{display:block;font-size:14px}
.quote-who small{display:block;font-size:11.5px;color:var(--muted)}
.stars{color:var(--gold);font-size:12px;letter-spacing:2px}
/* faq */
.faq{margin-top:32px;display:grid;gap:12px;max-width:960px}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);padding:0 20px;transition:border-color .22s,background .22s}
.faq details[open]{border-color:var(--line-strong);background:rgba(11,22,44,.8)}
.faq summary{cursor:pointer;list-style:none;padding:18px 34px 18px 0;font-weight:600;font-size:15px;position:relative;line-height:1.55}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:0;top:19px;font-size:12px;color:var(--brand-2);transition:transform .25s}
.faq details[open] summary::after{content:"\f068"}
.faq p{padding:0 0 20px;font-size:14.2px;color:var(--muted);line-height:1.75;max-width:820px}
/* category matrix */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.cat-item{display:flex;gap:14px;align-items:flex-start;padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.cat-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.cat-item i{font-size:19px;color:var(--brand-2);width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:rgba(56,189,248,.09);border:1px solid var(--line);flex-shrink:0}
.cat-item b{display:block;font-size:15.5px}
.cat-item small{display:block;margin-top:7px;font-size:13px;color:var(--muted);line-height:1.65}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.news-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-cat{align-self:flex-start;padding:4px 11px;border-radius:var(--pill);font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;background:rgba(37,99,235,.22);border:1px solid var(--line-strong);color:var(--brand-2)}
.news-body h3{font-size:16.5px;line-height:1.42}
.news-body h3 a:hover{color:var(--brand-2)}
.news-body p{font-size:13.6px;color:var(--muted);line-height:1.68}
.news-body time{margin-top:auto;font-size:11.5px;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}
.empty-note{padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);color:var(--muted);font-size:14px;text-align:center;margin-top:28px}
/* CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:26px;padding:52px 44px;background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(34,211,238,.14));border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.cta-band::after{content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.32),transparent 68%)}
.cta-inner{position:relative;z-index:2;max-width:680px}
.cta-band h2{margin-top:14px}
.cta-band p{margin-top:16px;color:var(--text-soft);font-size:15.5px;line-height:1.74}
.cta-band .hero-actions{margin-top:26px}
/* footer */
.site-footer{background:linear-gradient(180deg,rgba(5,12,28,.9),rgba(3,7,18,1));border-top:1px solid var(--line);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand p{margin-top:16px;font-size:13.8px;color:var(--muted);line-height:1.72;max-width:420px}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.footer-badges span{padding:6px 12px;border-radius:var(--pill);font-size:11.5px;color:var(--text-soft);background:rgba(56,189,248,.07);border:1px solid var(--line)}
.footer-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:13.8px;color:var(--muted);padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:22px 20px 30px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
/* fab */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:var(--pill);background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid transparent;background-clip:padding-box;box-shadow:0 0 22px rgba(34,211,238,.4);color:#e6f9ff;font-size:13px;font-weight:600;opacity:.82;transition:opacity .25s,transform .25s,box-shadow .25s}
.fab::before{content:"";position:absolute;inset:-1px;border-radius:var(--pill);padding:1px;background:linear-gradient(120deg,#a3e635,#22d3ee,#38bdf8);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;z-index:-1;animation:fabPulse 3.6s ease-in-out infinite}
.fab i{font-size:15px;color:#22d3ee}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.7)}
.fab:active{transform:scale(.96)}
.fab .dot{position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);animation:dotBlink 1.5s infinite}
@keyframes fabPulse{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-3,.news-grid,.cat-matrix{grid-template-columns:repeat(2,1fr)}
  .grid-4,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .nav-links{gap:0}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .nav{flex-wrap:wrap;min-height:64px;padding-top:10px;padding-bottom:10px;row-gap:10px}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-links{order:3;width:100%;display:none;flex-direction:column;align-items:stretch;gap:4px;margin-left:0;padding:10px 0 4px;border-top:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;border-radius:12px}
  .nav-actions{margin-left:auto;order:2}
  .btn-login{padding:9px 10px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .tier-row{grid-template-columns:1fr 1fr;gap:8px;padding:14px 16px}
  .tier-row--head{display:none}
  .tier-row span::before{content:attr(data-label);display:block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
  .week-row{grid-template-columns:1fr;gap:8px}
  .cta-band{padding:38px 24px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .grid-3,.grid-2,.grid-4,.steps,.news-grid,.cat-matrix,.footer-grid{grid-template-columns:1fr}
  .brand-text span{display:none}
  .hero-actions .btn{width:100%}
  .promo-panel{padding:20px}
  .fab{padding:12px 14px;font-size:12px;bottom:88px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#050c1c;
  --bg-deep:#081229;
  --surface:rgba(11,22,44,.66);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.42);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --muted:#8fa3bd;
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --accent:#22d3ee;
  --lime:#a3e635;
  --gold:#fbbf24;
  --ok:#22c55e;
  --danger:#f43f5e;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 24px 60px -28px rgba(2,8,24,.95);
  --glow:0 0 22px rgba(56,189,248,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(28px,4.1vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(23px,2.9vw,34px);line-height:1.24;font-weight:800;letter-spacing:-.015em}
h3{font-size:19px;line-height:1.32;font-weight:700}
h4{font-size:16px;font-weight:700}
p{color:var(--text-soft)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:760px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.76;color:var(--muted)}
.section-head--wide{max-width:900px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase}
.eyebrow i{font-size:11px}
.lead{font-size:15.5px;color:var(--text-soft);line-height:1.78}
/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:90;background:rgba(3,7,18,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;font-size:17px;box-shadow:0 0 18px rgba(56,189,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:500;color:var(--text-soft);transition:background .2s,color .2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px}
.btn-login{padding:9px 14px;border-radius:var(--pill);font-size:14px;font-weight:600;color:var(--brand-2);border:1px solid transparent;transition:.2s}
.btn-login:hover{color:#fff;border-color:var(--line-strong)}
.btn-signup{padding:10px 18px;border-radius:var(--pill);font-size:14px;font-weight:700;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px -10px rgba(56,189,248,.9);transition:.22s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(56,189,248,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--brand-2);cursor:pointer;place-items:center;font-size:15px}
/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:var(--pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03101f;box-shadow:0 12px 32px -12px rgba(56,189,248,.85),0 0 18px rgba(56,189,248,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(56,189,248,.95),0 0 26px rgba(56,189,248,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);border-color:var(--line-strong);color:#e2f2ff}
.btn-ghost:hover{background:rgba(56,189,248,.15);transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible,.fab:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
/* ============ HERO ============ */
.hero{position:relative;padding:56px 0 66px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0;z-index:-3;background:url('/assets/images/300c3d5aeb362e62.jpg') center/cover no-repeat;opacity:.18}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(900px 460px at 10% -14%,rgba(37,99,235,.45),transparent 62%),radial-gradient(720px 420px at 90% 2%,rgba(34,211,238,.22),transparent 60%),linear-gradient(180deg,rgba(3,7,18,.92) 0%,rgba(8,18,41,.96) 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(70% 62% at 50% 18%,#000,transparent);mask-image:radial-gradient(70% 62% at 50% 18%,#000,transparent)}
.hero h1{margin:18px 0 0;max-width:1000px}
.hero-lead{margin-top:18px;max-width:790px;font-size:16px;line-height:1.78;color:var(--text-soft)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.trust-chips li{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:var(--pill);background:rgba(11,22,44,.72);border:1px solid var(--line);font-size:12.5px;color:var(--text-soft)}
.trust-chips i{color:var(--accent);font-size:12px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
.compare-card{border-radius:var(--radius);padding:24px 22px;background:var(--surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:var(--shadow)}
.compare-card--before{border-color:rgba(244,63,94,.3)}
.compare-card--after{border-color:rgba(34,197,94,.34);background:linear-gradient(160deg,rgba(11,34,44,.75),rgba(8,18,41,.85))}
.compare-tag{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:var(--pill)}
.compare-card--before .compare-tag{background:rgba(244,63,94,.14);color:#fda4af;border:1px solid rgba(244,63,94,.35)}
.compare-card--after .compare-tag{background:rgba(34,197,94,.14);color:#86efac;border:1px solid rgba(34,197,94,.35)}
.compare-card h3{margin-top:14px;font-size:16px;color:#fff}
.compare-list{margin-top:14px;display:grid;gap:10px}
.compare-list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--text-soft)}
.compare-list i{margin-top:4px;font-size:12px;flex-shrink:0}
.compare-card--before .compare-list i{color:var(--danger)}
.compare-card--after .compare-list i{color:var(--ok)}
/* ============ PAIN / SOLUTION ============ */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.pain-list{margin-top:22px;display:grid;gap:12px}
.pain-list li{display:flex;gap:13px;padding:15px 17px;border-radius:var(--radius-sm);background:rgba(9,18,38,.6);border:1px solid var(--line);font-size:14.5px;line-height:1.62;color:var(--text-soft)}
.pain-list i{color:var(--danger);font-size:15px;margin-top:3px;flex-shrink:0}
.solution-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.solution-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.solution-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.68))}
.solution-badge{position:absolute;left:18px;bottom:18px;z-index:2;display:inline-flex;align-items:center;gap:9px;padding:10px 15px;border-radius:var(--pill);background:rgba(3,7,18,.78);border:1px solid var(--line-strong);font-size:12.5px;font-weight:600;color:#e2f2ff;backdrop-filter:blur(8px)}
.solution-badge i{color:var(--lime)}
.feature-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.feature-pills span{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line);font-size:13px;color:var(--text-soft)}
.feature-pills i{color:var(--accent);font-size:12px}
/* ============ TABLE GRID ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.game-card{border-radius:var(--radius);overflow:hidden;background:var(--surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);transition:transform .26s,border-color .26s,box-shadow .26s;display:flex;flex-direction:column}
.game-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 54px -26px rgba(2,8,24,1),var(--glow)}
.game-thumb{position:relative;overflow:hidden}
.game-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.game-card:hover .game-thumb img{transform:scale(1.05)}
.game-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.02),rgba(3,7,18,.6))}
.game-tag{position:absolute;top:12px;left:12px;z-index:2;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:var(--pill);background:rgba(3,7,18,.72);border:1px solid var(--line-strong);color:var(--brand-2);backdrop-filter:blur(6px)}
.game-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.game-body h3{color:#fff;font-size:17px}
.game-body p{font-size:13.8px;line-height:1.66;color:var(--muted)}
.game-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;padding-top:12px;border-top:1px dashed rgba(56,189,248,.16)}
.game-meta span{font-size:11.5px;color:var(--text-soft);display:inline-flex;align-items:center;gap:6px}
.game-meta i{color:var(--accent);font-size:11px}
/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px;counter-reset:step}
.step{position:relative;padding:22px 20px;border-radius:var(--radius);background:rgba(9,18,38,.62);border:1px solid var(--line);transition:transform .25s,border-color .25s}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-no{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#03101f;background:linear-gradient(135deg,var(--brand-2),var(--accent));box-shadow:0 8px 20px -10px rgba(56,189,248,.9)}
.step h3{margin-top:16px;font-size:16.5px;color:#fff}
.step p{margin-top:8px;font-size:13.8px;line-height:1.68;color:var(--muted)}
/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.stat{padding:24px 20px;border-radius:var(--radius);background:linear-gradient(165deg,rgba(13,28,56,.8),rgba(6,12,28,.72));border:1px solid var(--line);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));opacity:.75}
.stat b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,#e0f2fe,var(--brand-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{display:block;margin-top:8px;font-size:13.5px;line-height:1.62;color:var(--muted)}
/* ============ QUOTES ============ */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.quote{padding:24px 22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;transition:transform .25s,border-color .25s}
.quote:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.quote-stars{color:var(--gold);font-size:12.5px;letter-spacing:2px}
.quote p{font-size:14.5px;line-height:1.72;color:var(--text-soft)}
.quote-who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);margin-top:auto}
.quote-avatar{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(34,211,238,.25));border:1px solid var(--line-strong);font-weight:800;font-size:15px;color:#e0f2fe}
.quote-who b{display:block;font-size:14px;color:#fff}
.quote-who small{display:block;font-size:12px;color:var(--muted)}
/* ============ PROFILES ============ */
.profiles{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:36px}
.profile{display:flex;gap:16px;padding:20px;border-radius:var(--radius);background:rgba(9,18,38,.6);border:1px solid var(--line);transition:border-color .25s,transform .25s}
.profile:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.profile-ico{width:44px;height:44px;flex-shrink:0;border-radius:14px;display:grid;place-items:center;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--accent);font-size:17px}
.profile h3{font-size:16px;color:#fff}
.profile p{margin-top:7px;font-size:13.8px;line-height:1.66;color:var(--muted)}
/* ============ MATRIX ============ */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.matrix-item{display:flex;align-items:center;gap:14px;padding:18px;border-radius:var(--radius-sm);background:rgba(9,18,38,.66);border:1px solid var(--line);transition:transform .22s,border-color .22s,box-shadow .22s}
.matrix-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.matrix-item i{color:var(--brand-2);font-size:18px;width:24px;text-align:center;flex-shrink:0}
.matrix-item b{display:block;font-size:14.5px;color:#fff}
.matrix-item small{display:block;font-size:11.8px;color:var(--muted);margin-top:3px}
.matrix-item .go{margin-left:auto;color:var(--muted);font-size:13px}
.matrix-item.is-current{border-color:rgba(34,197,94,.42);background:rgba(12,32,26,.55)}
.matrix-item.is-current i{color:var(--ok)}
/* ============ FAQ ============ */
.faq{margin-top:34px;display:grid;gap:12px;max-width:920px}
.faq details{border-radius:var(--radius-sm);background:rgba(9,18,38,.62);border:1px solid var(--line);transition:border-color .22s,background .22s}
.faq details[open]{border-color:var(--line-strong);background:rgba(12,25,50,.8)}
.faq summary{cursor:pointer;padding:17px 20px;font-weight:600;font-size:15px;color:#eaf4ff;display:flex;align-items:center;gap:12px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{color:var(--brand-2);font-size:13px;transition:transform .25s;flex-shrink:0}
.faq details[open] summary i{transform:rotate(45deg)}
.faq .faq-a{padding:0 20px 19px 45px;font-size:14.3px;line-height:1.76;color:var(--muted)}
/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:28px;padding:48px 40px;background:linear-gradient(130deg,rgba(37,99,235,.35),rgba(8,18,41,.92) 55%,rgba(34,211,238,.24));border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.3),transparent 68%)}
.cta-band h2{position:relative;z-index:2;max-width:760px}
.cta-band p{position:relative;z-index:2;margin-top:16px;max-width:700px;font-size:15.5px;line-height:1.78}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-note{position:relative;z-index:2;margin-top:20px;font-size:12.5px;color:var(--muted)}
/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.98),#02040c);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
.footer-brand p{margin-top:16px;font-size:13.6px;line-height:1.72;color:var(--muted);max-width:400px}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.footer-badges span{font-size:11px;font-weight:600;padding:5px 11px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line);color:var(--text-soft)}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{font-size:12.5px;letter-spacing:.11em;text-transform:uppercase;color:#fff;margin-bottom:4px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;padding-bottom:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.footer-bottom p{font-size:12.5px;color:var(--muted)}
/* ============ FAB ============ */
.fab{position:fixed;left:16px;bottom:96px;z-index:60;width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:rgba(8,14,30,.9);border:1px solid var(--line-strong);color:var(--accent);font-size:20px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:.85;transition:transform .25s,opacity .25s,color .25s;animation:fabPulse 3.4s ease-in-out infinite}
.fab:hover{opacity:1;transform:scale(1.1);color:#fff}
.fab:active{transform:scale(.94)}
.fab-badge{position:absolute;top:-8px;right:-8px;font-size:9px;font-weight:800;letter-spacing:.06em;padding:3px 6px;border-radius:var(--pill);background:var(--danger);color:#fff;box-shadow:0 0 12px rgba(244,63,94,.85)}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(34,211,238,.35),inset 0 0 18px rgba(34,211,238,.12)}50%{box-shadow:0 0 32px rgba(34,211,238,.62),inset 0 0 24px rgba(34,211,238,.22)}}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:grid;margin-left:6px}
  .nav-links{position:absolute;top:100%;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;gap:2px;background:rgba(4,10,24,.98);border-bottom:1px solid var(--line);padding:12px 20px 18px;display:none;box-shadow:0 26px 40px -22px rgba(0,0,0,.9)}
  .nav-links.open{display:flex}
  .nav-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:32px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:42px 0 52px}
  .compare{grid-template-columns:1fr}
  .grid-cards{grid-template-columns:1fr}
  .profiles{grid-template-columns:1fr}
  .cta-band{padding:34px 22px;border-radius:22px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:13.5px}
  .brand-text span{font-size:9px}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .btn-login{padding:8px 10px;font-size:13px}
  .btn-signup{padding:9px 13px;font-size:13px}
  .nav-toggle{width:38px;height:38px}
  .steps{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .fab{left:12px;bottom:84px;width:52px;height:52px;border-radius:16px;font-size:18px}
}