/* roulang page: index */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0b1a37;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.085);
  --line:rgba(148,163,184,.18);
  --line-2:rgba(56,189,248,.34);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow:0 20px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.34);
  --glow-strong:0 0 34px rgba(37,99,235,.5);
  --maxw:1200px;
  --sp:clamp(56px,7vw,96px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#081229 46%,#030712 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.24;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.1vw,50px);}
h2{font-size:clamp(23px,2.9vw,36px);}
h3{font-size:clamp(18px,1.7vw,21px);}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#031018;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.1px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--soft);
  border:1px solid transparent;transition:all .22s ease;
}
.main-nav a:hover{background:var(--surface);color:#fff;border-color:var(--line);}
.main-nav a.is-active{
  color:#eaf6ff;background:rgba(56,189,248,.13);
  border-color:var(--line-2);box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease;
}
.btn-glow{
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#02121f;
  box-shadow:var(--glow-strong);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(56,189,248,.6);color:#02121f;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,.4);}
.btn-ghost{
  background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-2);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff;}
.btn-line{
  background:transparent;color:var(--brand-2);border-color:var(--line-2);
}
.btn-line:hover{background:rgba(56,189,248,.12);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ============ SECTION BASICS ============ */
main{display:block;}
.section{padding:var(--sp) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.4));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.1);
  border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:680px;}
.section-head.center p{margin-left:auto;margin-right:auto;}
.glass{
  background:linear-gradient(150deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:0 24px 50px rgba(2,6,23,.6),0 0 26px rgba(56,189,248,.18);}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(48px,7vw,88px) 0 clamp(56px,7vw,96px);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(3,7,18,.95) 8%,rgba(8,18,41,.86) 48%,rgba(3,7,18,.96) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:46px;align-items:start;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:#d7f2ff;background:rgba(37,99,235,.22);border:1px solid var(--line-2);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{color:var(--brand-2);}
.hero h1{margin-bottom:20px;}
.hero h1 span{
  background:linear-gradient(120deg,#38bdf8,#60a5fa 55%,#a5f3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats .stat b{display:block;font-size:24px;font-weight:800;color:#fff;letter-spacing:-.5px;}
.hero-stats .stat span{font-size:13px;color:var(--muted);}
.lead-form{padding:26px;border-radius:var(--r-lg);}
.lead-form h3{margin-bottom:6px;font-size:19px;}
.lead-form .lf-sub{color:var(--muted);font-size:13.5px;margin-bottom:18px;}
.lead-form label{display:block;font-size:12.5px;font-weight:600;color:var(--soft);margin-bottom:12px;letter-spacing:.3px;}
.lead-form input,.lead-form select{
  width:100%;margin-top:6px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.6);border:1px solid var(--line);color:var(--text);
  font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.lead-form input::placeholder{color:#5c6a80;}
.lead-form input:focus,.lead-form select:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.lead-form .btn{width:100%;margin-top:4px;}
.lf-note{font-size:12px;color:var(--muted);margin:12px 0 0;line-height:1.5;}
.lf-msg{
  margin:14px 0 0;padding:11px 14px;border-radius:var(--r-sm);font-size:13.5px;
  background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.4);color:#bbf7d0;
}

/* ============ ASSURE STRIP ============ */
.assure-strip{padding:26px 0;border-bottom:1px solid var(--line);background:rgba(8,18,41,.5);}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.assure-item{display:flex;align-items:center;gap:13px;}
.assure-item i{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-2);color:var(--brand-2);font-size:16px;
}
.assure-item b{display:block;font-size:14px;font-weight:700;}
.assure-item span{font-size:12.5px;color:var(--muted);}

/* ============ KPI ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi-card{padding:26px 22px;border-radius:var(--r-lg);}
.kpi-card .kpi-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(56,189,248,.22),rgba(37,99,235,.18));
  border:1px solid var(--line-2);color:var(--brand-2);margin-bottom:16px;font-size:17px;
}
.kpi-card b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-1px;color:#fff;line-height:1.1;}
.kpi-card h3{font-size:15px;margin:8px 0 6px;color:#e2ecf8;}
.kpi-card p{font-size:13.5px;color:var(--muted);margin:0;}

/* ============ SERVICES ============ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.svc-card{padding:26px 24px;border-radius:var(--r-lg);display:flex;flex-direction:column;}
.svc-card .tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.25);border:1px solid var(--line-2);
  padding:5px 11px;border-radius:999px;margin-bottom:15px;
}
.svc-card h3{margin-bottom:9px;}
.svc-card p{font-size:14.5px;color:var(--muted);margin:0;}
.svc-card .svc-link{margin-top:16px;font-size:13.5px;font-weight:600;color:var(--brand-2);display:inline-flex;gap:7px;align-items:center;}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{padding:28px 26px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.035);}
.compare-col.good{
  background:linear-gradient(155deg,rgba(37,99,235,.22),rgba(56,189,248,.07));
  border-color:var(--line-2);box-shadow:var(--glow);
}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:18px;}
.compare-col.bad h3 i{color:var(--danger);}
.compare-col.good h3 i{color:var(--ok);}
.compare-list li{display:flex;gap:11px;padding:10px 0;font-size:14.5px;color:var(--soft);border-bottom:1px dashed rgba(148,163,184,.16);}
.compare-list li:last-child{border-bottom:none;}
.compare-col.bad .compare-list i{color:#f87171;margin-top:4px;}
.compare-col.good .compare-list i{color:#4ade80;margin-top:4px;}

/* ============ STEPS ============ */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{padding:28px 24px;border-radius:var(--r-lg);position:relative;overflow:hidden;}
.step-no{
  font-size:44px;font-weight:800;letter-spacing:-2px;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;margin-bottom:14px;display:block;
}
.step-card h3{margin-bottom:9px;font-size:17.5px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ PAYMENTS ============ */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.pay-card{padding:24px 20px;border-radius:var(--r-lg);text-align:left;}
.pay-card .pay-logo{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:13px;color:#02121f;
  background:linear-gradient(140deg,#38bdf8,#60a5fa);margin-bottom:15px;letter-spacing:.4px;
}
.pay-card h3{font-size:16px;margin-bottom:7px;}
.pay-card p{font-size:13.5px;color:var(--muted);margin:0;}
.pay-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.pay-meta div span{display:block;font-size:12.5px;color:var(--muted);}
.pay-meta div b{font-size:16px;color:#fff;}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#38bdf8,rgba(56,189,248,.05));
}
.tl-item{position:relative;padding:0 0 30px 6px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#030712;border:2px solid var(--brand-2);box-shadow:0 0 12px rgba(56,189,248,.7);
}
.tl-item h3{font-size:17px;margin-bottom:7px;}
.tl-item p{font-size:14.5px;color:var(--muted);margin:0;max-width:720px;}
.tl-item .tl-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:8px;
}

/* ============ AUDIENCE ============ */
.aud-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.aud-col{padding:28px 26px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.035);}
.aud-col h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:16px;}
.aud-col.yes h3 i{color:var(--ok);}
.aud-col.no h3 i{color:var(--warn);}
.aud-list li{display:flex;gap:11px;padding:9px 0;font-size:14.5px;color:var(--soft);}
.aud-col.yes .aud-list i{color:#4ade80;margin-top:4px;}
.aud-col.no .aud-list i{color:#fbbf24;margin-top:4px;}

/* ============ NEWS (CMS) ============ */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:34px;}
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.news-item{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  backdrop-filter:blur(12px);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.news-item:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 22px 46px rgba(2,6,23,.6),0 0 22px rgba(56,189,248,.16);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#0b1a37;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-item:hover .news-thumb img{transform:scale(1.06);}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-cat{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.24);border:1px solid var(--line-2);
  padding:4px 10px;border-radius:999px;margin-bottom:11px;
}
.news-body h3{font-size:16.5px;margin-bottom:8px;line-height:1.35;}
.news-body h3 a:hover{color:var(--brand-2);}
.news-body p{font-size:13.8px;color:var(--muted);margin:0 0 14px;flex:1;}
.news-time{font-size:12.5px;color:#64748b;display:flex;align-items:center;gap:7px;}
.news-side{padding:24px 22px;border-radius:var(--r-lg);height:fit-content;}
.news-side h3{font-size:17px;margin-bottom:16px;}
.side-item{display:flex;gap:13px;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.18);}
.side-item:last-of-type{border-bottom:none;}
.side-item .side-no{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--brand-2);
  background:rgba(56,189,248,.12);border:1px solid var(--line-2);
}
.side-item h4{font-size:14.5px;margin:0 0 5px;line-height:1.4;}
.side-item h4 a:hover{color:var(--brand-2);}
.side-item span{font-size:12px;color:#64748b;}
.news-side .btn{margin-top:18px;width:100%;}
.empty-note{
  padding:22px;border-radius:var(--r-md);border:1px dashed var(--line);
  color:var(--muted);font-size:14.5px;text-align:center;grid-column:1/-1;
}

/* ============ CHANNELS ============ */
.channels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  padding:26px 24px;border-radius:var(--r-lg);display:flex;flex-direction:column;
  border:1px solid var(--line);background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  backdrop-filter:blur(12px);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 22px 46px rgba(2,6,23,.6),0 0 24px rgba(56,189,248,.18);}
.channel-card i.ch-ic{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:18px;
  background:linear-gradient(140deg,rgba(56,189,248,.22),rgba(37,99,235,.2));
  border:1px solid var(--line-2);color:var(--brand-2);margin-bottom:16px;
}
.channel-card h3{font-size:17.5px;margin-bottom:9px;}
.channel-card p{font-size:14.3px;color:var(--muted);flex:1;margin-bottom:16px;}
.channel-card .ch-link{font-size:13.8px;font-weight:600;color:var(--brand-2);display:inline-flex;gap:8px;align-items:center;}
.channel-card:hover .ch-link i{transform:translateX(4px);}
.channel-card .ch-link i{transition:transform .24s ease;}

/* ============ VOICES ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice-card{padding:26px 24px;border-radius:var(--r-lg);display:flex;flex-direction:column;}
.voice-card .stars{color:#fbbf24;font-size:13.5px;letter-spacing:2px;margin-bottom:14px;}
.voice-card p{font-size:14.6px;color:var(--soft);flex:1;}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
.voice-who .av{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:15px;color:#02121f;
  background:linear-gradient(140deg,#38bdf8,#60a5fa);
}
.voice-who b{display:block;font-size:14.5px;}
.voice-who span{font-size:12.5px;color:var(--muted);}

/* ============ SECURITY ============ */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.sec-card{padding:26px 24px;border-radius:var(--r-lg);}
.sec-card i{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:17px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-2);color:var(--brand-2);margin-bottom:15px;
}
.sec-card h3{font-size:16.5px;margin-bottom:8px;}
.sec-card p{font-size:14.3px;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:16px;max-width:980px;}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(255,255,255,.065),rgba(255,255,255,.025));
  backdrop-filter:blur(12px);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.open{border-color:var(--line-2);box-shadow:0 0 22px rgba(56,189,248,.14);}
.faq-q{margin:0;font-size:0;}
.faq-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:none;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;line-height:1.4;
}
.faq-toggle i{color:var(--brand-2);transition:transform .26s ease;flex-shrink:0;}
.faq-item.open .faq-toggle i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:14.8px;color:var(--muted);max-width:860px;}
.faq-item.open .faq-a{max-height:420px;}

/* ============ FINAL CTA ============ */
.final-cta{
  padding:clamp(40px,5vw,60px) clamp(26px,4vw,54px);
  border-radius:var(--r-xl);
  background:
    radial-gradient(700px 340px at 12% 0%, rgba(56,189,248,.28), transparent 62%),
    linear-gradient(140deg,rgba(37,99,235,.34),rgba(8,18,41,.9));
  border:1px solid var(--line-2);
  box-shadow:0 26px 60px rgba(2,6,23,.6),0 0 40px rgba(56,189,248,.18);
  text-align:center;
}
.final-cta h2{margin-bottom:14px;}
.final-cta p{color:var(--soft);max-width:660px;margin:0 auto 26px;font-size:15.6px;}
.final-cta .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-meta{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:26px;font-size:13.2px;color:var(--muted);}
.cta-meta span{display:inline-flex;align-items:center;gap:8px;}
.cta-meta i{color:var(--brand-2);}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:var(--sp);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.96));
  padding:clamp(44px,5vw,66px) 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:330px;margin:14px 0 0;}
.footer-col h4{font-size:13px;letter-spacing:1.2px;text-transform:uppercase;color:#dbeafe;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand-2);}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.footer-badges span{
  font-size:11.5px;font-weight:700;letter-spacing:.6px;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  color:var(--soft);background:rgba(255,255,255,.04);
}
.age-badge{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  font-weight:800;font-size:14px;color:#02121f;
  background:linear-gradient(140deg,#fbbf24,#f59e0b);
}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#64748b;
}
.footer-bottom a{color:#94a3b8;}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:800;
  min-width:56px;height:56px;padding:0 18px 0 14px;border-radius:999px;
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),
                   linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6f6ff;font-size:13.5px;font-weight:600;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  opacity:.82;transition:transform .24s ease,opacity .24s ease,box-shadow .24s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i{color:var(--brand-2);font-size:16px;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.66);color:#fff;}
.fab:active{transform:scale(.95);}
.fab .fab-dot{
  position:absolute;top:6px;right:8px;width:10px;height:10px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 3px rgba(3,7,18,.9);animation:dotBlink 1.6s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(56,189,248,.34);}50%{box-shadow:0 0 34px rgba(56,189,248,.6);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .channels-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:repeat(2,1fr);}
  .sec-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:880px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.97);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{border-radius:var(--r-sm);padding:12px 14px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .compare-grid,.aud-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .news-list{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .brand-text em{display:none;}
  .assure-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .pay-meta{gap:16px;}
}
@media (max-width:520px){
  .container{padding:0 15px;}
  .kpi-grid,.svc-grid,.pay-grid,.channels-grid,.voice-grid,.sec-grid{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .final-cta .cta-actions .btn{width:100%;}
  .fab{left:12px;bottom:84px;height:52px;min-width:52px;padding:0 15px 0 12px;}
  .fab span.fab-label{display:none;}
  p,li{line-height:1.66;}
}

/* roulang page: article */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0b1a37;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.085);
  --line:rgba(148,163,184,.18);
  --line-2:rgba(56,189,248,.34);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow:0 20px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.34);
  --glow-strong:0 0 34px rgba(37,99,235,.5);
  --maxw:1200px;
  --sp:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#081229 46%,#030712 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#031018;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.1px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--soft);
  border:1px solid transparent;transition:all .22s ease;
}
.main-nav a:hover{background:var(--surface);color:#fff;border-color:var(--line);}
.main-nav a.is-active{
  color:#eaf6ff;background:rgba(56,189,248,.13);
  border-color:var(--line-2);box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2);}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease;
}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#02121f;box-shadow:var(--glow-strong);}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(56,189,248,.6);color:#02121f;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,.4);}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-2);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
/* ============ SECTION ============ */
main{display:block;}
.section{padding:var(--sp) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.4));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head h2{font-size:clamp(23px,3vw,33px);margin-bottom:14px;letter-spacing:-.4px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.1);
  border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
/* ============ ARTICLE HERO ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:clamp(34px,5vw,58px) 0 clamp(44px,6vw,72px);
  border-bottom:1px solid var(--line);
}
.article-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.24;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(3,7,18,.96) 6%,rgba(8,18,41,.88) 50%,rgba(3,7,18,.97) 100%);
}
.article-hero-inner{position:relative;z-index:2;}
.breadcrumb-nav{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--brand-3);}
.breadcrumb-nav a:hover{color:#fff;}
.breadcrumb-nav .sep{opacity:.5;}
.breadcrumb-nav .current{
  color:var(--soft);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:44px;align-items:center;
}
.article-hero-copy h1{
  font-size:clamp(26px,3.6vw,42px);
  letter-spacing:-.6px;margin-bottom:18px;
}
.article-excerpt{color:var(--soft);font-size:16px;margin-bottom:24px;max-width:660px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-top:20px;border-top:1px solid var(--line);}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:#d8f0ff;
  background:rgba(37,99,235,.2);border:1px solid var(--line-2);
  padding:7px 14px;border-radius:999px;
}
.meta-chip.is-plain{background:var(--surface);color:var(--soft);border-color:var(--line);}
.meta-chip i{color:var(--brand-2);}
.article-cover{
  margin:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--shadow),0 0 30px rgba(56,189,248,.16);
}
.article-cover img{width:100%;aspect-ratio:16/11;object-fit:cover;}
/* ============ ARTICLE BODY ============ */
.article-wrap{max-width:880px;}
.article-body{font-size:16.5px;color:var(--soft);}
.article-body h2{font-size:clamp(21px,2.5vw,28px);color:#fff;margin:40px 0 14px;letter-spacing:-.3px;}
.article-body h3{font-size:19px;color:#e8f4ff;margin:28px 0 12px;}
.article-body h4{font-size:17px;color:#e2eefb;margin:22px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:9px;}
.article-body strong{color:#fff;}
.article-body img{border-radius:var(--r-md);margin:24px 0;border:1px solid var(--line);}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand-2);
  background:rgba(56,189,248,.08);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#dbeafe;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.article-body th{background:rgba(56,189,248,.12);color:#fff;}
.article-missing{
  text-align:left;padding:38px 30px;border-radius:var(--r-lg);
  background:var(--surface);border:1px dashed var(--line-2);
}
.article-missing i{font-size:30px;color:var(--brand-2);margin-bottom:14px;display:block;}
.article-missing h2{font-size:22px;color:#fff;margin-bottom:12px;}
.article-missing p{color:var(--muted);margin-bottom:20px;}
/* ============ FEATURE LIST ============ */
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.feature-item{
  padding:26px 26px 24px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-item:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 0 28px rgba(56,189,248,.2);}
.feature-item .fi-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.14);border:1px solid var(--line-2);
  color:var(--brand-2);font-size:18px;margin-bottom:16px;
}
.feature-item h3{font-size:17.5px;color:#fff;margin-bottom:10px;}
.feature-item p{color:var(--muted);font-size:14.8px;}
/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-card{
  padding:24px 22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--brand-2);
}
.stat-card b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;letter-spacing:-.6px;}
.stat-card span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}
/* ============ PAY GRID ============ */
.pay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.pay-card{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.pay-card:hover{border-color:var(--line-2);background:rgba(56,189,248,.08);transform:translateY(-3px);}
.pay-card img{width:64px;height:64px;border-radius:14px;object-fit:cover;flex-shrink:0;border:1px solid var(--line);}
.pay-card h3{font-size:16.5px;color:#fff;margin-bottom:7px;}
.pay-card p{font-size:14.5px;color:var(--muted);}
.pay-tag{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:700;letter-spacing:.5px;
  color:#c8f7d4;background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.32);
  padding:4px 11px;border-radius:999px;
}
/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.channel-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.22);}
.channel-card img{width:100%;height:168px;object-fit:cover;opacity:.86;}
.channel-card .cc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;gap:10px;}
.channel-card h3{font-size:17.5px;color:#fff;}
.channel-card p{font-size:14.6px;color:var(--muted);flex:1;}
.channel-card .cc-link{font-size:14px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px;}
.channel-card .cc-link i{transition:transform .22s ease;}
.channel-card:hover .cc-link i{transform:translateX(5px);}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--surface);overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(56,189,248,.07);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:#fff;
}
.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 .24s ease;flex-shrink:0;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;}
/* ============ FINAL CTA ============ */
.cta-final{
  border-radius:var(--r-xl);
  padding:clamp(34px,5vw,58px);
  background:
    radial-gradient(620px 260px at 12% 0%, rgba(56,189,248,.24), transparent 66%),
    linear-gradient(140deg,rgba(37,99,235,.32),rgba(3,7,18,.86));
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:34px;align-items:center;text-align:left;
}
.cta-final h2{font-size:clamp(22px,2.8vw,31px);margin-bottom:14px;}
.cta-final p{color:var(--soft);font-size:15.5px;margin-bottom:24px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-points{display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:var(--soft);}
.cta-points i{color:var(--brand-2);margin-top:4px;}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  min-height:52px;padding:12px 18px;border-radius:999px;
  background-color:rgba(7,7,13,.86);
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1px solid transparent;
  color:#e6f6ff;font-size:13.5px;font-weight:700;letter-spacing:.2px;
  box-shadow:0 0 20px rgba(56,189,248,.38);
  opacity:.8;transition:all .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;color:#fff;box-shadow:0 0 30px rgba(56,189,248,.62);transform:translateY(-2px);}
.fab:active{transform:scale(.96);}
.fab i{font-size:15px;color:var(--brand-2);}
.fab-dot{
  position:absolute;top:6px;right:9px;width:10px;height:10px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 2px rgba(3,7,18,.9),0 0 10px rgba(239,68,68,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.32);}50%{box-shadow:0 0 30px rgba(56,189,248,.6);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.92));
  padding:clamp(44px,6vw,72px) 0 28px;
  margin-top:clamp(30px,5vw,60px);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:16px 0 18px;max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.footer-badges span{
  font-size:12px;color:var(--soft);background:var(--surface);
  border:1px solid var(--line);padding:5px 12px;border-radius:999px;
}
.age-badge{color:#ffd9d9 !important;border-color:rgba(239,68,68,.4) !important;background:rgba(239,68,68,.14) !important;font-weight:800;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.6px;text-transform:uppercase;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:var(--muted);}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .article-hero-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-final{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-grid;place-items:center;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 14px;border-radius:12px;font-size:15px;}
  .site-header{position:sticky;}
  .nav-wrap{position:relative;}
}
@media (max-width:768px){
  .feature-list,.pay-grid{grid-template-columns:1fr;}
  .article-meta{gap:8px;}
  .article-excerpt{font-size:15.5px;}
  .channel-card img{height:150px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions .btn{width:100%;}
  .fab{left:12px;bottom:88px;padding:11px 15px;font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0b1a37;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.085);
  --line:rgba(148,163,184,.18);
  --line-2:rgba(56,189,248,.34);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow:0 20px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.34);
  --glow-strong:0 0 34px rgba(37,99,235,.5);
  --maxw:1200px;
  --sp:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#081229 46%,#030712 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.25;font-weight:800;letter-spacing:-.6px;color:#fff;}
h1{font-size:clamp(30px,4.5vw,52px);}
h2{font-size:clamp(24px,3.1vw,36px);}
h3{font-size:clamp(17.5px,2vw,21px);font-weight:700;letter-spacing:-.3px;}
h4{font-size:16px;font-weight:700;letter-spacing:0;}
p{margin:0 0 14px;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#031018;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.1px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--soft);
  border:1px solid transparent;transition:all .22s ease;
}
.main-nav a:hover{background:var(--surface);color:#fff;border-color:var(--line);}
.main-nav a.is-active{
  color:#eaf6ff;background:rgba(56,189,248,.13);
  border-color:var(--line-2);box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease;
}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#02121f;box-shadow:var(--glow-strong);}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(56,189,248,.6);color:#02121f;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,.4);}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-2);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ============ SECTION BASICS ============ */
main{display:block;}
.section{padding:var(--sp) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.4));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.1);
  border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:700px;}
.section-head.center p{margin-left:auto;margin-right:auto;}
.lead{color:var(--soft);font-size:16px;}

/* ============ HERO (CẮT CHÉO) ============ */
.hero-cut{
  position:relative;overflow:hidden;
  padding:clamp(60px,8vw,110px) 0 clamp(72px,9vw,120px);
  border-bottom:1px solid var(--line);
}
.hero-cut .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.05);
}
.hero-cut .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(3,7,18,.96) 6%,rgba(8,18,41,.84) 52%,rgba(3,7,18,.97) 100%);
}
.hero-slash{
  position:absolute;left:-14%;right:-14%;top:24%;height:230px;
  background:linear-gradient(90deg,rgba(37,99,235,.42),rgba(56,189,248,.16) 58%,rgba(37,99,235,0) 92%);
  transform:skewY(-5deg);
  z-index:1;pointer-events:none;
}
.hero-slash.two{top:auto;bottom:8%;height:150px;transform:skewY(4deg);background:linear-gradient(90deg,rgba(56,189,248,.14),rgba(37,99,235,.3) 62%,rgba(3,7,18,0));}
.hero-inner{position:relative;z-index:3;max-width:900px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;
  color:#d7f2ff;background:rgba(37,99,235,.24);border:1px solid var(--line-2);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{color:var(--brand-2);}
.hero-cut h1{margin-bottom:20px;}
.hero-cut h1 span{
  background:linear-gradient(120deg,#38bdf8,#60a5fa 55%,#a5f3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:720px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:3;}
.hero-chips span{
  font-size:13px;color:var(--soft);background:var(--surface);
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;
}
.hero-chips span i{color:var(--brand-2);margin-right:6px;}

/* ============ PAIN ============ */
.pain-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;}
.pain-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(148,163,184,.2);
}
.pain-list li:last-child{border-bottom:0;}
.pain-list i{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.32);color:#fca5a5;font-size:16px;
}
.pain-list b{display:block;color:#fff;margin-bottom:4px;font-size:15.5px;}
.pain-list p{margin:0;color:var(--muted);font-size:14.5px;}
.media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.media-frame figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(3,7,18,.78);backdrop-filter:blur(10px);
  border:1px solid var(--line-2);border-radius:var(--r-md);
  padding:12px 16px;font-size:13.5px;color:var(--soft);
}

/* ============ SOLUTION CARDS ============ */
.sol-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.sol-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 0 32px rgba(56,189,248,.24);}
.sol-card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.sol-body{padding:22px;}
.sol-body p{color:var(--muted);font-size:14.5px;margin:0;}
.tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:#bae6fd;background:rgba(56,189,248,.14);border:1px solid var(--line-2);
  padding:5px 12px;border-radius:999px;margin-bottom:12px;
}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(255,255,255,.04));
  border:1px solid var(--line);overflow:hidden;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:12px;right:16px;font-size:38px;font-weight:800;
  color:rgba(56,189,248,.18);letter-spacing:-2px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;margin:0;}

/* ============ STATS BAND ============ */
.stats-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-band .band-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.24;}
.stats-band .band-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,7,18,.96),rgba(8,18,41,.86) 60%,rgba(3,7,18,.94));}
.stats-inner{position:relative;z-index:2;padding:var(--sp) 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:34px;}
.stat-cell{
  background:rgba(3,7,18,.5);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;backdrop-filter:blur(8px);
}
.stat-cell b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-1px;}
.stat-cell span{font-size:13.5px;color:var(--muted);}

/* ============ TESTIMONIALS ============ */
.testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.testi{
  padding:24px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;
}
.testi:hover{border-color:var(--line-2);}
.testi .stars{color:var(--warn);font-size:13.5px;letter-spacing:2px;}
.testi p{margin:0;color:var(--soft);font-size:14.5px;}
.testi .who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.testi .who span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#38bdf8,#2563eb);color:#031018;font-weight:800;font-size:14px;}
.testi .who div b{display:block;font-size:14.5px;color:#fff;}
.testi .who div em{font-style:normal;font-size:12.5px;color:var(--muted);}

/* ============ AUDIENCE ============ */
.aud-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.aud{
  padding:24px 20px;border-radius:var(--r-md);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  transition:border-color .22s ease,transform .22s ease;
}
.aud:hover{border-color:var(--line-2);transform:translateY(-4px);}
.aud i{font-size:20px;color:var(--brand-2);margin-bottom:12px;display:block;}
.aud h3{font-size:16.5px;margin-bottom:6px;}
.aud p{margin:0;color:var(--muted);font-size:14px;}

/* ============ CATEGORY STRIP ============ */
.cat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cat-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;border-radius:var(--r-md);
  background:rgba(8,18,41,.68);border:1px solid var(--line);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.cat-card:hover{border-color:var(--line-2);box-shadow:0 0 26px rgba(56,189,248,.2);transform:translateY(-3px);color:#fff;}
.cat-card strong{display:block;font-size:16.5px;color:#fff;}
.cat-card small{color:var(--muted);font-size:13px;}
.cat-card i{color:var(--brand-2);font-size:16px;}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.22);color:inherit;}
.news-card h3{font-size:17px;margin:0;}
.news-card p{margin:0;color:var(--muted);font-size:14.5px;}
.news-tag{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:#bae6fd;background:rgba(56,189,248,.12);border:1px solid var(--line-2);
  padding:5px 11px;border-radius:999px;
}
.news-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.news-empty{color:var(--muted);font-size:15px;padding:26px;border:1px dashed var(--line);border-radius:var(--r-md);text-align:center;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:start;}
.faq-list details{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.04);margin-bottom:14px;overflow:hidden;
}
.faq-list details[open]{border-color:var(--line-2);background:rgba(56,189,248,.07);}
.faq-list summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:15.5px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand-2);font-size:12px;}
.faq-list details[open] summary::after{content:"\f068";}
.faq-list .answer{padding:0 22px 20px;color:var(--muted);font-size:14.8px;margin:0;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:clamp(34px,5vw,58px);
  background:linear-gradient(120deg,rgba(37,99,235,.32),rgba(8,18,41,.9) 58%,rgba(56,189,248,.2));
  border:1px solid var(--line-2);box-shadow:var(--shadow);
}
.cta-band h2{max-width:720px;}
.cta-band p{color:var(--soft);max-width:680px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.5),rgba(3,7,18,.95));
  padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:16px 0 16px;max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.footer-badges span{
  font-size:12.5px;color:var(--soft);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;background:var(--surface);
}
.footer-badges .age-badge{color:#fff;border-color:rgba(239,68,68,.4);background:rgba(239,68,68,.16);font-weight:700;}
.footer-col h4{font-size:14px;letter-spacing:.8px;text-transform:uppercase;color:#e2e8f0;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--muted);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--muted);font-size:13px;
}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,#a3e635,#06b6d4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6fbff;font-size:13.5px;font-weight:600;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.85;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab-support i{color:#a3e635;font-size:16px;transition:transform .4s ease;}
.fab-support:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab-support:hover i{transform:rotate(360deg);}
.fab-support:active{transform:translateY(1px) scale(.97);}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px rgba(34,211,238,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.65);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .sol-grid,.testi-grid,.news-grid,.cat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps,.aud-grid,.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 14px;border-radius:12px;font-size:15px;}
  .pain-grid,.faq-wrap{grid-template-columns:1fr;gap:32px;}
  .hero-slash{height:170px;top:30%;}
}
@media (max-width:680px){
  body{font-size:15.5px;}
  .section{padding:54px 0;}
  .sol-grid,.testi-grid,.news-grid,.cat-strip,.steps,.aud-grid,.stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .fab-support{padding:12px 14px;bottom:84px;}
  .brand-text strong{font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0b1a37;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.085);
  --glass:rgba(12,24,48,.58);
  --line:rgba(148,163,184,.18);
  --line-2:rgba(56,189,248,.34);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow:0 20px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.34);
  --glow-strong:0 0 34px rgba(37,99,235,.5);
  --maxw:1200px;
  --sp:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#081229 46%,#030712 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:#fff;font-weight:800;letter-spacing:-.3px;line-height:1.26;margin:0 0 .55em;}
h1{font-size:clamp(27px,4.2vw,44px);}
h2{font-size:clamp(23px,3.1vw,34px);}
h3{font-size:clamp(17px,1.9vw,21px);}
h4{font-size:16px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#031018;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.1px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--soft);
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.main-nav a:hover{background:var(--surface);color:#fff;border-color:var(--line);}
.main-nav a.is-active{
  color:#eaf6ff;background:rgba(56,189,248,.13);
  border-color:var(--line-2);box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:var(--surface-2);}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn:focus,.btn:focus-visible{box-shadow:none;outline:2px solid var(--brand-2);outline-offset:3px;}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#02121f;box-shadow:var(--glow-strong);}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(56,189,248,.6);color:#02121f;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,.4);}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-2);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff;}
.btn-line{background:transparent;color:var(--brand-2);border-color:var(--line-2);}
.btn-line:hover{background:rgba(56,189,248,.12);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
/* ============ SECTION BASE ============ */
main{display:block;overflow:hidden;}
.section{padding:var(--sp) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.4));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:15.5px;max-width:700px;}
.section-head.center p{margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.1);
  border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
/* ============ HERO ============ */
.hero-cat{
  position:relative;overflow:hidden;
  padding:clamp(46px,6vw,84px) 0 clamp(52px,6vw,92px);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(3,7,18,.96) 6%,rgba(8,18,41,.85) 50%,rgba(3,7,18,.97) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:46px;align-items:start;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:#d7f2ff;background:rgba(37,99,235,.22);border:1px solid var(--line-2);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{color:var(--brand-2);}
.hero-cat h1{margin-bottom:18px;}
.hero-cat h1 .hl{
  background:linear-gradient(120deg,#38bdf8,#60a5fa 55%,#a5f3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats .stat b{display:block;font-size:23px;font-weight:800;color:#fff;letter-spacing:-.5px;}
.hero-stats .stat span{font-size:12.5px;color:var(--muted);}
.status-panel{padding:26px;}
.status-panel h3{font-size:17px;margin-bottom:6px;}
.status-panel .panel-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.22);
}
.channel-row:last-of-type{border-bottom:none;}
.channel-row .cn{display:flex;align-items:center;gap:11px;font-size:14.5px;font-weight:600;color:#eaf2ff;}
.channel-row .cn i{color:var(--brand-2);width:18px;text-align:center;}
.tag{
  font-size:11.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:4px 11px;border-radius:999px;white-space:nowrap;
}
.tag-ok{color:#bbf7d0;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.35);}
.tag-hot{color:#fed7aa;background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.4);}
.panel-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.panel-foot b{color:#fff;}
/* ============ PAIN ============ */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center;}
.pain-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(148,163,184,.14);
  color:var(--soft);font-size:15.5px;
}
.pain-list li:last-child{border-bottom:none;}
.pain-list i{color:var(--danger);margin-top:4px;flex-shrink:0;}
.media-frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.media-frame img{width:100%;object-fit:cover;aspect-ratio:4/3;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,0) 45%,rgba(3,7,18,.72) 100%);
}
/* ============ PROMISE CARDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.promise-card{
  padding:26px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.promise-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(37,99,235,.28);}
.ico-badge{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.13);border:1px solid var(--line-2);color:var(--brand-2);
  font-size:18px;margin-bottom:18px;
}
.promise-card h3{font-size:17.5px;margin-bottom:8px;}
.promise-card p{color:var(--muted);font-size:14.5px;margin:0;}
/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative;}
.step{
  padding:26px 22px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(37,99,235,.14),rgba(8,18,41,.6));
  border:1px solid var(--line);position:relative;
  transition:border-color .24s ease,transform .24s ease;
}
.step:hover{border-color:var(--line-2);transform:translateY(-4px);}
.step .num{
  font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--brand-2);
  display:block;margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;margin:0;}
/* ============ KPI + TABLE ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.kpi{
  padding:20px 22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
}
.kpi b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.6px;line-height:1.2;}
.kpi span{font-size:13px;color:var(--muted);}
.table-wrap{
  border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(14px);
}
table.rate-table{width:100%;border-collapse:collapse;font-size:14.5px;}
table.rate-table thead th{
  text-align:left;padding:16px 18px;font-size:12.5px;letter-spacing:1px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.12);border-bottom:1px solid var(--line);font-weight:700;
}
table.rate-table td{
  padding:16px 18px;border-bottom:1px solid rgba(148,163,184,.12);color:var(--soft);
}
table.rate-table tbody tr:last-child td{border-bottom:none;}
table.rate-table tbody tr:hover{background:rgba(56,189,248,.06);}
table.rate-table td b{color:#fff;}
/* ============ AUDIENCE ============ */
.audience{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.audience-item{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .24s ease,background .24s ease;
}
.audience-item:hover{border-color:var(--line-2);background:var(--surface-2);}
.audience-item i{color:var(--brand-2);font-size:19px;margin-top:3px;flex-shrink:0;}
.audience-item h3{font-size:16.5px;margin-bottom:6px;}
.audience-item p{color:var(--muted);font-size:14.5px;margin:0;}
/* ============ QUOTES ============ */
.quote-card{
  padding:26px;border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(8,18,41,.55));
  border:1px solid var(--line);height:100%;
  display:flex;flex-direction:column;gap:16px;
}
.quote-card p{color:var(--soft);font-size:15px;margin:0;font-style:italic;}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-meta .av{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563eb,#38bdf8);color:#02121f;font-weight:800;font-size:14px;
}
.quote-meta strong{display:block;font-size:14.5px;color:#fff;}
.quote-meta span{font-size:12.5px;color:var(--muted);}
/* ============ POSTS ============ */
.post-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(37,99,235,.25);}
.post-tag{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.12);border:1px solid var(--line-2);
  padding:4px 11px;border-radius:999px;
}
.post-card h3{font-size:16.5px;margin:0;}
.post-card h3 a:hover{color:var(--brand-2);}
.post-card p{color:var(--muted);font-size:14.5px;margin:0;}
.post-time{font-size:12.5px;color:var(--muted);margin-top:auto;display:flex;align-items:center;gap:7px;}
.empty-note{
  padding:34px;text-align:center;color:var(--muted);font-size:15px;
  border:1px dashed var(--line-2);border-radius:var(--r-lg);background:var(--surface);
}
/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  transition:border-color .24s ease;
}
.faq-item[open]{border-color:var(--line-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15.5px;font-weight:600;color:#fff;
}
.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);flex-shrink:0;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;}
/* ============ CTA ============ */
.cta-panel{
  padding:clamp(32px,4.4vw,54px);border-radius:var(--r-xl);text-align:center;
  background:
    radial-gradient(620px 300px at 50% -20%, rgba(56,189,248,.24), transparent 70%),
    linear-gradient(150deg,rgba(37,99,235,.24),rgba(3,7,18,.9));
  border:1px solid var(--line-2);box-shadow:var(--shadow);
}
.cta-panel h2{margin-bottom:14px;}
.cta-panel p{color:var(--soft);max-width:660px;margin:0 auto 26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:950;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:999px;
  color:#eaf6ff;font-size:13.5px;font-weight:700;letter-spacing:.3px;
  background:
    linear-gradient(rgba(7,10,22,.9),rgba(7,10,22,.9)) padding-box,
    linear-gradient(120deg,#38bdf8,#2563eb) border-box;
  border:1.5px solid transparent;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  backdrop-filter:blur(12px);
  opacity:.82;
  animation:fabFloat 3.4s ease-in-out infinite;
  transition:opacity .25s ease,transform .2s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#fff;}
.fab:active{transform:translateY(1px) scale(.97);}
.fab .fab-ico{font-size:16px;color:var(--brand-2);}
.fab .fab-dot{
  position:absolute;top:8px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#22c55e;box-shadow:0 0 10px rgba(34,197,94,.9);animation:dotPulse 1.8s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ============ FOOTER ============ */
.site-footer{
  margin-top:0;padding:clamp(44px,5vw,70px) 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.96));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:16px 0 18px;max-width:380px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.footer-badges span{
  font-size:12px;color:var(--soft);padding:5px 12px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
}
.footer-badges .age-badge{
  color:#fecaca;background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.42);font-weight:800;
}
.footer-col h4{font-size:14px;text-transform:uppercase;letter-spacing:1.1px;color:var(--brand-2);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--soft);font-size:14.5px;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    display:none;position:absolute;top:100%;left:-20px;right:-20px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);padding:14px 20px 20px;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 16px;border-radius:12px;font-size:15px;}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4,.steps,.audience,.kpi-grid{grid-template-columns:1fr;}
  .hero-stats{gap:20px;}
  .hero-stats .stat b{font-size:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  table.rate-table{font-size:13.5px;}
  table.rate-table thead th,table.rate-table td{padding:13px 12px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:10.5px;letter-spacing:.8px;}
  .btn{width:100%;}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{padding:0;width:56px;height:56px;justify-content:center;left:14px;bottom:88px;}
  .fab .fab-txt{display:none;}
  .table-wrap{overflow-x:auto;}
  table.rate-table{min-width:560px;}
}

/* roulang page: category1 */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0b1a37;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.085);
  --line:rgba(148,163,184,.18);
  --line-2:rgba(56,189,248,.34);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --shadow:0 20px 45px rgba(2,6,23,.55);
  --glow:0 0 26px rgba(56,189,248,.34);
  --glow-strong:0 0 34px rgba(37,99,235,.5);
  --maxw:1200px;
  --sp:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#081229 46%,#030712 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.24;letter-spacing:-.4px;}
h1{font-size:clamp(28px,4.3vw,44px);}
h2{font-size:clamp(23px,3vw,33px);}
h3{font-size:19px;letter-spacing:-.2px;}
h4{font-size:16px;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
strong{color:#fff;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#031018;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.1px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--soft);
  border:1px solid transparent;transition:all .22s ease;
}
.main-nav a:hover{background:var(--surface);color:#fff;border-color:var(--line);}
.main-nav a.is-active{
  color:#eaf6ff;background:rgba(56,189,248,.13);
  border-color:var(--line-2);box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-auth{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-auth .login-link{
  font-size:14px;font-weight:600;color:var(--soft);padding:9px 4px;
}
.nav-auth .login-link:hover{color:var(--brand-2);}
.nav-auth .signup-btn{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#02121f;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.45);
  transition:transform .18s ease,box-shadow .24s ease;
}
.nav-auth .signup-btn:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.62);color:#02121f;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;transition:background .22s ease;
}
.nav-toggle:hover{background:var(--surface-2);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease;
}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#02121f;box-shadow:var(--glow-strong);}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(56,189,248,.6);color:#02121f;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(56,189,248,.4);}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line-2);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff;}
.btn-line{background:transparent;color:var(--brand-2);border-color:var(--line-2);}
.btn-line:hover{background:rgba(56,189,248,.12);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ============ SECTION BASICS ============ */
main{display:block;}
.section{padding:var(--sp) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.4));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:700px;}
.section-head.center p{margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-2);background:rgba(56,189,248,.1);
  border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}

/* ============ HERO (CATEGORY) ============ */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(46px,6vw,84px) 0 clamp(54px,7vw,92px);
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;filter:saturate(1.05);}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(3,7,18,.96) 6%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.97) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-head{max-width:900px;margin:0 auto 40px;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:#d7f2ff;background:rgba(37,99,235,.22);border:1px solid var(--line-2);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{color:var(--brand-2);}
.hero h1 span{background:linear-gradient(120deg,#38bdf8,#60a5fa 55%,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:760px;margin:0 auto 8px;}
.hero-stage{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr) minmax(0,1fr);
  gap:26px;align-items:center;margin-bottom:38px;
}
.stage-points{display:flex;flex-direction:column;gap:16px;}
.stage-points li{
  display:flex;gap:11px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 16px;
  font-size:14.5px;color:var(--soft);
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.stage-points li:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 14px 30px rgba(2,6,23,.5);}
.stage-points i{color:var(--brand-2);margin-top:3px;font-size:15px;}
.stage-points li b{display:block;color:#fff;font-size:14.5px;margin-bottom:2px;}
.stage-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow);}
.stage-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.stage-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.15),rgba(3,7,18,.86));
}
.stage-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px 18px;
  display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--soft);
}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-stats .stat b{display:block;font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;letter-spacing:-.6px;}
.hero-stats .stat span{font-size:13px;color:var(--muted);}

/* ============ PAIN POINTS ============ */
.pain-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:46px;align-items:start;}
.pain-list{display:flex;flex-direction:column;gap:8px;}
.pain-list li{
  padding:18px 0 18px 22px;border-left:2px solid rgba(56,189,248,.3);
  transition:border-color .24s ease,padding-left .24s ease;
}
.pain-list li:hover{border-color:var(--brand-2);padding-left:28px;}
.pain-list h3{margin-bottom:6px;font-size:17.5px;}
.pain-list p{margin:0;color:var(--muted);font-size:15px;}

/* ============ SOLUTION / FEATURES ============ */
.solution-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center;}
.solution-visual{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;}
.solution-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-rows{display:flex;flex-direction:column;gap:4px;}
.feature-rows li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed rgba(148,163,184,.2);}
.feature-rows li:last-child{border-bottom:none;}
.feature-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-2);color:var(--brand-2);font-size:17px;
}
.feature-rows h3{margin-bottom:4px;font-size:17px;}
.feature-rows p{margin:0;color:var(--muted);font-size:14.8px;}

/* ============ STEPS ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 18px 36px rgba(2,6,23,.5);}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--brand-2);
  display:inline-block;margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{margin:0;color:var(--muted);font-size:14.6px;}
.step::after{
  content:"";position:absolute;top:38px;right:-11px;width:22px;height:1px;
  background:linear-gradient(90deg,rgba(56,189,248,.6),transparent);
}
.steps-grid .step:last-child::after{display:none;}

/* ============ KPI + TABLE ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:44px;}
.kpi{
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(255,255,255,.04));
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;
}
.kpi b{display:block;font-size:clamp(21px,2.6vw,28px);font-weight:800;color:#fff;letter-spacing:-.8px;}
.kpi span{font-size:13.2px;color:var(--muted);}
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:rgba(255,255,255,.03);box-shadow:var(--shadow);
}
.odds-table{width:100%;border-collapse:collapse;font-size:14.6px;}
.odds-table thead th{
  background:rgba(37,99,235,.2);color:#eaf6ff;font-size:13px;letter-spacing:.7px;
  text-transform:uppercase;font-weight:700;text-align:left;padding:15px 18px;white-space:nowrap;
}
.odds-table tbody td{padding:15px 18px;border-top:1px solid var(--line);color:var(--soft);vertical-align:middle;}
.odds-table tbody tr{transition:background .2s ease;}
.odds-table tbody tr:hover{background:rgba(56,189,248,.07);}
.odds-table tbody td:first-child{color:#fff;font-weight:600;}
.tbl-note{padding:14px 18px;font-size:13.2px;color:var(--muted);border-top:1px solid var(--line);margin:0;}

/* ============ TAGS / CHIPS ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:11.6px;font-weight:700;
  letter-spacing:.7px;text-transform:uppercase;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--brand-2);background:rgba(56,189,248,.1);white-space:nowrap;
}
.tag-hot{color:#fecdd3;border-color:rgba(239,68,68,.5);background:rgba(239,68,68,.14);}
.tag-live{color:#bbf7d0;border-color:rgba(34,197,94,.42);background:rgba(34,197,94,.12);}
.tag-stable{color:#fde68a;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12);}

/* ============ TESTIMONIALS ============ */
.quote{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .24s ease,transform .24s ease;
}
.quote:hover{border-color:var(--line-2);transform:translateY(-3px);}
.quote .stars{color:var(--warn);font-size:13px;letter-spacing:2px;}
.quote p{margin:0;color:var(--soft);font-size:15.2px;}
.quote footer{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563eb,#38bdf8);color:#02121f;font-weight:800;font-size:15px;
}
.quote footer b{display:block;font-size:14.5px;color:#fff;}
.quote footer span{font-size:12.8px;color:var(--muted);}

/* ============ NEWS ============ */
.news-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--surface-2);box-shadow:0 18px 36px rgba(2,6,23,.5);}
.news-card h3{margin:0;font-size:16.6px;line-height:1.4;}
.news-card p{margin:0;color:var(--muted);font-size:14.4px;}
.news-meta{font-size:12.8px;color:var(--muted);margin-top:auto;display:flex;align-items:center;gap:8px;}
.news-empty{
  color:var(--muted);font-size:15px;padding:26px;border:1px dashed var(--line);
  border-radius:var(--r-md);background:rgba(255,255,255,.03);
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 20px;transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:var(--line-2);background:var(--surface-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 0;font-size:16.4px;font-weight:600;color:#fff;
  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 .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 0 20px;color:var(--muted);font-size:15px;}

/* ============ CTA ============ */
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--line-2);padding:clamp(30px,4.4vw,52px);
  background:
    radial-gradient(700px 380px at 12% -20%, rgba(56,189,248,.26), transparent 62%),
    linear-gradient(160deg,rgba(37,99,235,.28),rgba(3,7,18,.9));
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-box h2{margin-bottom:12px;}
.cta-box p{color:var(--soft);max-width:680px;margin:0 auto 26px;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:640px;margin:0 auto 22px;}
.cta-form input{
  flex:1 1 260px;min-width:0;padding:14px 20px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--text);
}
.cta-form input::placeholder{color:rgba(148,163,184,.85);}
.cta-form input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.2);}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.pay-row span{
  font-size:13px;font-weight:600;color:var(--soft);padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);margin-top:20px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.95));
  padding:clamp(44px,5vw,68px) 0 26px;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:38px;margin-bottom:34px;}
.footer-brand p{color:var(--muted);font-size:14.4px;margin:16px 0 18px;max-width:400px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:12.4px;color:var(--soft);}
.footer-badges span{border:1px solid var(--line);border-radius:999px;padding:6px 13px;background:rgba(255,255,255,.04);}
.age-badge{
  border-color:rgba(239,68,68,.5)!important;color:#fecdd3!important;
  background:rgba(239,68,68,.14)!important;font-weight:800;
}
.footer-col h4{font-size:14.6px;margin-bottom:14px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.2px;color:var(--muted);}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  color:var(--brand-2);font-size:20px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .24s ease,transform .24s ease,box-shadow .24s ease;
}
.fab::before{
  content:"";position:absolute;inset:-1px;border-radius:999px;padding:1px;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:fabPulse 2.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{opacity:.7;}50%{opacity:1;}}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.7);color:#fff;}
.fab:active{transform:scale(.94);}
.fab-dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 10px #ef4444;animation:pulse 1.3s infinite;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-stage{grid-template-columns:1fr;gap:22px;}
  .stage-points{flex-direction:row;flex-wrap:wrap;}
  .stage-points li{flex:1 1 240px;}
  .stage-visual{order:-1;}
  .pain-layout,.solution-grid{grid-template-columns:1fr;gap:32px;}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:820px){
  .nav-toggle{display:inline-grid;place-items:center;}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 14px;border-radius:12px;}
  .nav-auth .login-link{font-size:13px;padding:9px 2px;}
  .nav-auth .signup-btn{padding:9px 15px;font-size:13px;}
  .brand-text em{display:none;}
}
@media (max-width:640px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .steps-grid{grid-template-columns:1fr;}
  .kpi-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .odds-table{font-size:13.4px;}
  .odds-table thead th,.odds-table tbody td{padding:12px 12px;}
  .table-wrap{overflow-x:auto;}
  .odds-table{min-width:640px;}
  .brand-mark{width:38px;height:38px;font-size:15px;}
  .brand-text strong{font-size:14.5px;}
  .nav-auth .login-link{display:inline-block;}
  .nav-wrap{gap:10px;}
}
@media (max-width:520px){
  .btn{padding:12px 20px;font-size:14.2px;}
  .nav-auth .login-link{padding:8px 0;font-size:12.5px;}
  .nav-auth .signup-btn{padding:8px 12px;font-size:12.5px;}
  .fab{left:14px;bottom:88px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}