/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(11,23,48,.72);
  --surface-solid:#0a1428;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.4);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --good:#22C55E;
  --warn:#FACC15;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --shadow-soft:0 10px 26px rgba(2,6,23,.4);
  --neon:0 0 22px rgba(37,99,235,.35);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:72px 0 0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
h1,h2,h3,h4,h5{margin:0 0 14px;font-weight:700;line-height:1.26;letter-spacing:-.015em;color:var(--text)}
h1{font-size:clamp(1.85rem,3.5vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.35rem)}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:82px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.35));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:38px}
.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:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:70ch}
.muted{color:var(--muted)}
.tiny{font-size:.83rem;color:var(--dim)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:34px 0}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.86);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(2,6,23,.6);background:rgba(3,7,18,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;font-size:19px;
  border-radius:13px;background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03101f;box-shadow:var(--neon);flex-shrink:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-3);font-weight:600}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(37,99,235,.16)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.btn-ghost{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  color:var(--brand-3);font-size:13.5px;font-weight:600;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.12)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);border:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;
  font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 10px 24px rgba(37,99,235,.38);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,189,248,.5)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);color:var(--text);
  font-weight:600;font-size:14px;white-space:nowrap;transition:.2s ease;
}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,18,41,.7);cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand-3);margin:0 auto;border-radius:2px}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 520px at 12% 8%,rgba(37,99,235,.4),transparent 62%),
             linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.9) 62%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;padding:70px 0 66px}
.hero-copy{max-width:720px}
.hero h1{margin-bottom:18px}
.hero h1 .accent{background:linear-gradient(120deg,#38BDF8,#60A5FA 45%,#F8FAFC);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#cbd5e1;font-size:1.06rem;max-width:64ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  font-size:13px;font-weight:600;color:#dbeafe;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(37,99,235,.16);border:1px solid var(--line);
}
.hero-panel{
  background:linear-gradient(165deg,rgba(11,23,48,.95),rgba(4,9,22,.95));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.live-row{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin-bottom:12px}
.live-dot{width:9px;height:9px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 0 rgba(239,68,68,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(239,68,68,.65)}70%{box-shadow:0 0 0 12px rgba(239,68,68,0)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}}
.hero-panel h2{font-size:1.18rem;margin-bottom:6px}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 18px}
.cd-box{
  text-align:center;padding:14px 6px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.75);border:1px solid var(--line);
}
.cd-box b{display:block;font-size:1.7rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1}
.cd-box span{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-top:6px}
.subscribe{display:flex;flex-direction:column;gap:10px}
.subscribe input{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.85);border:1px solid var(--line);color:var(--text);font-size:14.5px;
}
.subscribe input::placeholder{color:var(--dim)}
.subscribe input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{display:none;font-size:13px;color:var(--good);margin:0}
.form-note.is-visible{display:block}

/* ===== Stats strip ===== */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.stat{background:var(--surface-solid);padding:24px 20px}
.stat b{display:block;font-size:1.75rem;font-weight:800;color:#fff;line-height:1.1}
.stat b em{font-style:normal;font-size:.95rem;color:var(--brand-2);margin-left:4px}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ===== Cards & grids ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(4,9,22,.88));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--neon)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);margin-bottom:0;font-size:14.6px}
.icon-badge{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(37,99,235,.18);border:1px solid var(--line-strong);color:var(--brand-2);
  font-size:19px;margin-bottom:16px;
}
.badge-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 11px;border-radius:var(--radius-pill);
  background:rgba(34,197,94,.16);color:#86efac;border:1px solid rgba(34,197,94,.32);
}
.badge-tag.blue{background:rgba(37,99,235,.18);color:var(--brand-3);border-color:var(--line-strong)}
.badge-tag.amber{background:rgba(250,204,21,.14);color:#fde68a;border-color:rgba(250,204,21,.3)}

/* ===== Split media ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(96,165,250,.18);color:var(--muted);font-size:15px}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--brand-2);margin-top:5px;font-size:14px}
.check-list strong{color:var(--text);font-weight:600}

/* ===== Steps ===== */
.step{position:relative;padding-left:66px}
.step-num{
  position:absolute;left:0;top:0;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#03101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.step h3{margin-bottom:8px}
.step p{color:var(--muted);font-size:14.6px;margin:0}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-solid)}
table.picks{width:100%;border-collapse:collapse;min-width:680px}
table.picks th{
  text-align:left;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);
  padding:16px 18px;background:rgba(37,99,235,.12);border-bottom:1px solid var(--line);font-weight:700;white-space:nowrap;
}
table.picks td{padding:16px 18px;border-bottom:1px solid rgba(96,165,250,.1);font-size:14.5px;color:var(--muted);vertical-align:middle}
table.picks tr:last-child td{border-bottom:0}
table.picks tr:hover td{background:rgba(37,99,235,.07)}
table.picks td strong{color:var(--text);font-weight:600}
.conf{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#fff}
.conf-bar{width:64px;height:6px;border-radius:99px;background:rgba(96,165,250,.2);overflow:hidden}
.conf-bar i{display:block;height:100%;background:linear-gradient(90deg,#2563EB,#38BDF8)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#38BDF8,rgba(37,99,235,.15))}
.tl-item{position:relative;padding:0 0 26px 20px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--brand-2);box-shadow:0 0 12px rgba(56,189,248,.6)}
.tl-time{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand-2);text-transform:uppercase}
.tl-item h3{font-size:1.03rem;margin:6px 0 6px}
.tl-item p{color:var(--muted);font-size:14.4px;margin:0}

/* ===== Category entry ===== */
.entry-card{display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface-solid);transition:.25s ease}
.entry-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--neon)}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.entry-body{padding:22px}
.entry-body h3{font-size:1.08rem;margin-bottom:8px;color:var(--text)}
.entry-body p{color:var(--muted);font-size:14.3px;margin:0}
.entry-body .more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-2)}

/* ===== Comparison ===== */
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:10px}
.compare-row > div{background:var(--surface-solid);padding:16px 18px;font-size:14.3px;color:var(--muted)}
.compare-row.head > div{background:rgba(37,99,235,.14);color:#fff;font-weight:700;font-size:13px;letter-spacing:.05em;text-transform:uppercase}
.compare-row .win{color:#86efac;font-weight:600}

/* ===== Testimonials ===== */
.quote{font-size:15px;color:#dbeafe;margin-bottom:18px}
.person{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#03101f;background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.person b{display:block;font-size:14px;color:var(--text)}
.person span{display:block;font-size:12.5px;color:var(--dim)}
.stars{color:var(--warn);font-size:13px;margin-bottom:12px;letter-spacing:2px}

/* ===== News / CMS ===== */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  background:linear-gradient(150deg,rgba(11,23,48,.85),rgba(4,9,22,.85));
  transition:.22s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px);box-shadow:var(--shadow-soft)}
.news-item h3{font-size:1.06rem;margin-bottom:8px}
.news-item h3 a{color:var(--text)}
.news-item h3 a:hover{color:var(--brand-2)}
.news-excerpt{color:var(--muted);font-size:14.3px;margin-bottom:12px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--dim)}
.side-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-solid);padding:22px}
.side-list h3{font-size:1.02rem;margin-bottom:14px}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(96,165,250,.16)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14.2px;color:#e2e8f0;font-weight:500}
.side-list a:hover{color:var(--brand-2)}
.side-list time{display:block;font-size:12.3px;color:var(--dim);margin-top:5px}
.empty-state{padding:24px;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);color:var(--muted);font-size:14.5px}

/* ===== CTA band ===== */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:radial-gradient(700px 320px at 15% 10%,rgba(37,99,235,.38),transparent 65%),linear-gradient(160deg,rgba(11,23,48,.96),rgba(3,7,18,.96));
  padding:44px;box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:#cbd5e1;max-width:64ch}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,1));padding:60px 0 26px;margin-top:20px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.site-footer p{color:var(--muted);font-size:14.2px}
.site-footer h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-3);margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer li a{color:var(--muted);font-size:14.2px}
.site-footer li a:hover{color:#fff}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--dim);
}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:12.5px;
  padding:7px 13px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);color:var(--brand-3);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1055;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  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:#e0f2fe;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.78;transition:.25s ease;
}
.fab i{color:var(--brand-2);font-size:16px;animation:flicker 3.4s infinite}
.fab:hover{opacity:1;color:#fff;box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-2px)}
.fab:active{transform:scale(.96)}
.fab .dot{position:absolute;top:-4px;right:-4px;width:11px;height:11px;border-radius:50%;background:#ef4444;box-shadow:0 0 10px rgba(239,68,68,.9);animation:pulse 1.6s infinite}
@keyframes flicker{0%,100%{opacity:1}48%{opacity:1}50%{opacity:.35}52%{opacity:1}78%{opacity:.6}80%{opacity:1}}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:56px 0 54px}
  .hero-panel{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;display:none;
    background:#050c1e;border-bottom:1px solid var(--line);padding:14px 20px 18px;
    box-shadow:0 24px 40px rgba(2,6,23,.6);
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr}
  .compare-row.head{display:none}
  .compare-row > div:first-child{background:rgba(37,99,235,.14);color:#fff;font-weight:700}
}
@media (max-width:767.98px){
  .section{padding:60px 0}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .brand-text small{display:none}
  .btn-ghost,.btn-solid{padding:9px 14px;font-size:13px}
  .hero-cta .btn-solid,.hero-cta .btn-outline{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  body{padding-top:66px}
  .header-inner{height:66px;gap:10px}
  .main-nav{top:66px}
  .brand-text strong{font-size:13.5px}
  .brand-mark{width:38px;height:38px;font-size:17px}
  .nav-toggle{width:40px;height:40px}
  h1{font-size:1.65rem}
  .cd-box b{font-size:1.35rem}
  .fab{left:12px;bottom:88px;padding:11px 15px;font-size:12.5px}
  .fab span.label{display:none}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(11,23,48,.72);
  --surface-solid:#0a1428;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.4);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --good:#22C55E;
  --warn:#FACC15;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --shadow-soft:0 10px 26px rgba(2,6,23,.4);
  --neon:0 0 22px rgba(37,99,235,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:72px 0 0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
button{font-family:inherit}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;letter-spacing:-.015em;line-height:1.22}
h1{font-size:clamp(1.85rem,3.6vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.4vw,2rem)}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 14px}
ul{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(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:82px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.35));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:38px}
.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:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:70ch}
.muted{color:var(--muted)}
.tiny{font-size:12.5px;color:var(--dim);line-height:1.6}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:34px 0}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.86);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(2,6,23,.6);background:rgba(3,7,18,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;font-size:19px;
  border-radius:13px;background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03101f;box-shadow:var(--neon);flex-shrink:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-3);font-weight:600}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(37,99,235,.16)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.btn-ghost{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  color:var(--brand-3);font-size:13.5px;font-weight:600;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.12)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);border:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;
  font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 10px 24px rgba(37,99,235,.38);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,189,248,.5)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);color:var(--text);
  font-weight:600;font-size:14px;white-space:nowrap;transition:.2s ease;
}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,18,41,.7);cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand-3);margin:0 auto;border-radius:2px}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 520px at 12% 8%,rgba(37,99,235,.4),transparent 62%),
             linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.9) 62%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;padding:66px 0 60px}
.hero-copy{max-width:720px}
.hero h1 .accent{background:linear-gradient(120deg,#38BDF8,#60A5FA 45%,#F8FAFC);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#cbd5e1;font-size:1.06rem;max-width:64ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  font-size:13px;font-weight:600;color:#dbeafe;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(37,99,235,.16);border:1px solid var(--line);
}
.channel-bar{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px 0 22px;border-top:1px solid var(--line);
}
.channel-bar span.bar-label{
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);font-weight:700;margin-right:4px;
}
.channel-bar a{
  font-size:13px;font-weight:600;color:#cbd5e1;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(8,18,41,.66);border:1px solid var(--line);
}
.channel-bar a:hover{border-color:var(--line-strong);color:#fff;background:rgba(37,99,235,.22)}
.hero-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(8px);
}
.hero-panel h2{font-size:1.05rem;letter-spacing:.02em;margin-bottom:6px}
.match-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.match-row:last-of-type{border-bottom:0}
.match-row .teams{font-weight:700;font-size:14.5px}
.match-row .time{font-size:12.5px;color:var(--muted);display:block;font-weight:500}
.match-row .odds{
  font-size:12.5px;font-weight:700;color:#03101f;background:linear-gradient(135deg,#38BDF8,#60A5FA);
  padding:5px 11px;border-radius:var(--radius-pill);white-space:nowrap;
}
.panel-note{font-size:12.5px;color:var(--dim);margin-top:14px;margin-bottom:0}
/* ===== Category entries ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:block;background:var(--surface-solid);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-soft);color:#fff}
.cat-card .ico{
  width:46px;height:46px;display:grid;place-items:center;border-radius:14px;
  background:rgba(37,99,235,.18);color:var(--brand-2);font-size:19px;margin-bottom:16px;
}
.cat-card h3{margin-bottom:8px}
.cat-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.cat-card .more{font-size:13px;font-weight:700;color:var(--brand-2);display:inline-flex;gap:7px;align-items:center}
/* ===== Split blocks ===== */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.split.reverse{grid-template-columns:1.05fr .95fr}
/* ===== Pain list ===== */
.pain-list{display:grid;gap:14px}
.pain-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius);
  background:rgba(11,23,48,.6);border:1px solid var(--line);border-left:3px solid rgba(250,204,21,.6);
}
.pain-item i{color:var(--warn);font-size:16px;margin-top:3px}
.pain-item strong{display:block;font-size:15px;margin-bottom:4px}
.pain-item span{font-size:14px;color:var(--muted)}
/* ===== Criteria cards ===== */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature{
  padding:22px;border-radius:var(--radius);background:var(--surface-solid);
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.feature:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.feature .num{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brand-2);
  display:block;margin-bottom:10px;
}
.feature h3{font-size:1rem;margin-bottom:8px}
.feature p{font-size:14px;color:var(--muted);margin:0}
/* ===== Steps ===== */
.steps{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}
.step{position:relative;padding:0 0 28px 30px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 0 4px rgba(37,99,235,.16);
}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);margin:0;max-width:62ch}
/* ===== Stats ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(11,23,48,.7));
  border:1px solid var(--line);
}
.stat b{display:block;font-size:1.85rem;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--muted)}
/* ===== Audience ===== */
.audience-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.audience-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.audience-list{display:grid;gap:12px;margin-top:6px}
.audience-list li{
  display:flex;gap:12px;font-size:14.5px;color:#cbd5e1;padding-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.audience-list li:last-child{border-bottom:0;padding-bottom:0}
.audience-list i{color:var(--good);margin-top:4px}
/* ===== Quotes ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{
  padding:24px;border-radius:var(--radius-lg);background:var(--surface-solid);
  border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;
}
.quote p{font-size:14.5px;color:#dbeafe;margin:0}
.quote .who{font-size:13px;color:var(--muted);font-weight:600;margin-top:auto}
.quote .stars{color:var(--warn);font-size:13px;letter-spacing:2px}
/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:var(--surface-solid);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.post-thumb{display:block;overflow:hidden;background:#061024}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:1rem;margin:0;line-height:1.4}
.post-body h3 a{color:var(--text)}
.post-body h3 a:hover{color:var(--brand-2)}
.post-body p{font-size:13.5px;color:var(--muted);margin:0}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--dim)}
.tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.16);border:1px solid var(--line);
  padding:4px 10px;border-radius:var(--radius-pill);
}
.news-foot{margin-top:28px;display:flex;justify-content:flex-start}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(11,23,48,.6);
  padding:0 20px;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.85)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 30px 18px 0;position:relative;
  font-weight:700;font-size:15px;color:var(--text);
}
.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;
  position:absolute;right:0;top:20px;color:var(--brand-2);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.5px;color:var(--muted);padding:0 0 20px;margin:0;max-width:78ch}
/* ===== CTA ===== */
.cta-band{
  border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(37,99,235,.32),rgba(8,18,41,.9));
  padding:52px 40px;text-align:center;box-shadow:var(--shadow);
}
.cta-band h2{max-width:22ch;margin-left:auto;margin-right:auto}
.cta-band p{max-width:64ch;margin:0 auto 24px;color:#dbeafe}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.95));padding:58px 0 26px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;font-size:18px}
.site-footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:#cbd5e1;margin-bottom:16px}
.site-footer p{font-size:13.5px;color:var(--muted)}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:14px;color:var(--muted)}
.site-footer ul a:hover{color:var(--brand-2)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:12px;font-weight:700;color:#dbeafe;
  padding:6px 13px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(37,99,235,.16);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--dim);
}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;display:grid;place-items:center;
  border-radius:var(--radius-pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.7);
  color:var(--brand-2);font-size:20px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.82;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease,color .25s ease;
  animation:fabFloat 3.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff}
.fab:active{transform:scale(.95)}
.fab i{transition:transform .4s ease}
.fab:hover i{transform:rotate(360deg)}
.fab .dot{
  position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712;animation:pulseDot 1.8s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.82)}}
/* ===== Responsive ===== */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.quote-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;margin:0;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:10px 20px 18px;display:none;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:12px 14px;border-radius:var(--radius-sm);font-size:15px}
  .split,.split.reverse{grid-template-columns:1fr;gap:30px}
  .section{padding:66px 0}
}
@media (max-width:768px){
  .feature-grid{grid-template-columns:1fr}
  .cat-grid,.quote-grid,.news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:38px 22px}
  .brand-text strong{font-size:13.5px}
  .brand-text small{font-size:9.5px}
  .header-actions{gap:6px}
  .btn-ghost{padding:8px 12px;font-size:12.5px}
  .btn-solid{padding:9px 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  body{padding-top:66px}
  .header-inner{height:66px;gap:10px}
  .main-nav{top:66px}
  .brand-text small{display:none}
  .brand-mark{width:38px;height:38px;font-size:17px}
  .hero-grid{padding:46px 0 42px}
  .stat-grid{grid-template-columns:1fr}
  .fab{width:52px;height:52px;bottom:82px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(11,23,48,.72);
  --surface-solid:#0a1428;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.4);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --good:#22C55E;
  --warn:#FACC15;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --shadow-soft:0 10px 26px rgba(2,6,23,.4);
  --neon:0 0 22px rgba(37,99,235,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:72px 0 0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:#fff}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:82px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.35));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:clamp(1.45rem,2.4vw,2rem);margin-bottom:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:72ch}
.muted{color:var(--muted)}
.tiny{font-size:12.5px;color:var(--dim);line-height:1.6}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:34px 0}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.86);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(2,6,23,.6);background:rgba(3,7,18,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;font-size:19px;
  border-radius:13px;background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03101f;box-shadow:var(--neon);flex-shrink:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-3);font-weight:600}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(37,99,235,.16)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.btn-ghost{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  color:var(--brand-3);font-size:13.5px;font-weight:600;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.12)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);border:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;
  font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 10px 24px rgba(37,99,235,.38);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,189,248,.5)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);color:var(--text);
  font-weight:600;font-size:14px;white-space:nowrap;transition:.2s ease;
}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,18,41,.7);cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand-3);margin:0 auto;border-radius:2px}

/* ===== Article hero ===== */
.art-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.art-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/f61d6a92e9bcfb32.jpg');
  background-size:cover;background-position:center;opacity:.3;
}
.art-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(880px 480px at 10% 0%,rgba(37,99,235,.42),transparent 60%),
             linear-gradient(180deg,rgba(3,7,18,.78) 0%,rgba(3,7,18,.92) 65%,var(--bg) 100%);
}
.art-hero .container{position:relative;z-index:2}
.art-hero-inner{padding:40px 0 56px;max-width:920px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--dim);margin-bottom:22px}
.breadcrumb a{color:var(--brand-3)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:9px;opacity:.7}
.art-hero h1{font-size:clamp(1.6rem,3.3vw,2.55rem);max-width:26ch;margin-bottom:16px}
.art-hero p.dek{color:#cbd5e1;font-size:1.04rem;max-width:70ch}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  background:rgba(8,18,41,.75);border:1px solid var(--line);color:var(--muted);
}
.chip.brand{color:#dbeafe;border-color:var(--line-strong);background:rgba(37,99,235,.22)}
.chip i{color:var(--brand-2)}

/* ===== Article layout ===== */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start}
.pull-quote{
  position:relative;margin:0 0 34px;padding:24px 26px 24px 30px;
  border-left:3px solid var(--brand-2);border-radius:0 var(--radius) var(--radius) 0;
  background:linear-gradient(120deg,rgba(37,99,235,.18),rgba(8,18,41,.35));
  font-size:1.06rem;line-height:1.68;color:#e2e8f0;font-weight:500;
}
.pull-quote::before{
  content:"\201C";position:absolute;top:-6px;left:12px;font-size:64px;line-height:1;
  color:rgba(56,189,248,.22);font-family:Georgia,serif;
}
.pull-quote cite{display:block;margin-top:12px;font-size:13px;font-style:normal;color:var(--brand-3);font-weight:600}

.article-body{font-size:1.02rem;color:#dbe3ee}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(1.3rem,2.1vw,1.62rem);margin:38px 0 14px;padding-left:14px;
  border-left:3px solid var(--brand);color:#fff;
}
.article-body h3{font-size:1.12rem;margin:26px 0 10px;color:#e8eefb}
.article-body h4{font-size:1rem;margin:20px 0 8px;color:var(--brand-3)}
.article-body p{margin:0 0 16px}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:#cbd5e1;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.article-body ol{counter-reset:artcount}
.article-body ol li{counter-increment:artcount}
.article-body ol li::before{
  content:counter(artcount);position:absolute;left:0;top:1px;width:18px;height:18px;
  display:grid;place-items:center;font-size:11px;font-weight:700;color:#03101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);border-radius:5px;
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-radius:var(--radius);
  background:rgba(11,23,48,.7);border:1px solid var(--line);color:#e2e8f0;
}
.article-body img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--line)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12.5px;color:var(--dim);margin-top:8px}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(37,99,235,.18);color:#fff;font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:30px 0}

.not-found{
  padding:32px;border-radius:var(--radius);background:var(--surface);
  border:1px dashed var(--line-strong);text-align:left;
}
.not-found h2{font-size:1.3rem;margin-bottom:10px;border:0;padding:0}
.not-found p{color:var(--muted);margin-bottom:18px}

.art-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--brand-3);
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(8,18,41,.7);border:1px solid var(--line);
}
.tag:hover{color:#fff;border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ===== Aside ===== */
.art-aside{position:sticky;top:96px;display:grid;gap:18px}
.aside-card{
  padding:22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.aside-card h3{font-size:.98rem;margin-bottom:14px;color:#fff;display:flex;align-items:center;gap:9px}
.aside-card h3 i{color:var(--brand-2)}
.aside-list li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:11px}
.aside-list li strong{color:#e2e8f0;font-weight:600;min-width:58px}
.aside-cta{background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(11,23,48,.85));border-color:var(--line-strong)}
.aside-cta p{font-size:13.5px;color:#cbd5e1;margin-bottom:14px}
.aside-cta .btn-solid,.aside-cta .btn-outline{width:100%}

/* ===== Stats ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  padding:24px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stat-card i{font-size:19px;color:var(--brand-2)}
.stat-value{
  font-size:1.95rem;font-weight:800;margin:12px 0 4px;
  background:linear-gradient(120deg,#38BDF8,#60A5FA 50%,#FFFFFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card p{font-size:13.5px;color:var(--muted)}

/* ===== Data table ===== */
.table-wrap{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--surface);overflow-x:auto;box-shadow:var(--shadow-soft);
}
table.data-table{width:100%;border-collapse:collapse;min-width:680px}
table.data-table thead th{
  padding:15px 18px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-2);text-align:left;background:rgba(37,99,235,.16);
  border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
table.data-table tbody td{
  padding:15px 18px;font-size:14px;color:#cbd5e1;border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.data-table tbody tr:last-child td{border-bottom:0}
table.data-table tbody tr:hover{background:rgba(37,99,235,.08)}
table.data-table td strong{color:#fff}
.badge-soft{
  display:inline-block;padding:5px 11px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
  background:rgba(56,189,248,.16);color:var(--brand-2);border:1px solid var(--line-strong);
}
.badge-good{background:rgba(34,197,94,.16);color:#86efac;border-color:rgba(34,197,94,.4)}
.badge-warn{background:rgba(250,204,21,.16);color:#fde68a;border-color:rgba(250,204,21,.4)}

/* ===== Method ===== */
.method-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:center}
.method-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.method-visual img{width:100%;height:100%;object-fit:cover}
.method-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#e2e8f0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.95));
}
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.step-card{
  padding:22px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);transition:border-color .22s ease,transform .22s ease;
}
.step-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  font-size:13px;font-weight:800;color:#03101f;margin-bottom:14px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.step-card h3{font-size:1rem;margin-bottom:8px}
.step-card p{font-size:13.6px;color:var(--muted)}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow);color:var(--text)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(8,18,41,.8)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:9px}
.news-body h3{font-size:1.02rem;line-height:1.45}
.news-body p{font-size:13.5px;color:var(--muted)}
.news-more{margin-top:26px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-list details{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);
  padding:0;overflow:hidden;transition:border-color .2s ease;
}
.faq-list details[open]{border-color:var(--line-strong)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:1rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;color:#fff;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list 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-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted)}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:46px;
  background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(8,18,41,.9));
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 66%);
}
.cta-band h2{font-size:clamp(1.4rem,2.3vw,1.95rem);margin-bottom:12px;max-width:24ch}
.cta-band p{color:#cbd5e1;max-width:64ch;font-size:1rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ===== Footer ===== */
.site-footer{
  position:relative;z-index:1;margin-top:20px;padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.92));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-grid h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);margin-bottom:16px}
.footer-grid p{font-size:13.6px;color:var(--muted)}
.footer-grid ul li{margin-bottom:10px}
.footer-grid ul a{font-size:13.6px;color:var(--muted)}
.footer-grid ul a:hover{color:#fff}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  padding:7px 14px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:700;
  color:var(--warn);background:rgba(250,204,21,.12);border:1px solid rgba(250,204,21,.35);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.6px;color:var(--dim);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  height:56px;padding:0 18px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2e8f0;font-size:13px;font-weight:700;white-space:nowrap;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab i{font-size:16px;color:#38BDF8}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 28px rgba(56,189,248,.65)}
.fab:active{transform:translateY(0) scale(.96);box-shadow:0 0 14px rgba(236,72,153,.6)}
.fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#EC4899;box-shadow:0 0 10px rgba(236,72,153,.9);animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .art-layout{grid-template-columns:1fr;gap:34px}
  .art-aside{position:static;grid-template-columns:repeat(2,1fr);display:grid}
  .method-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 22px;display:none;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{padding:13px 16px;border-radius:var(--radius-sm);font-size:15px}
  .nav-toggle{display:flex}
  .brand-text small{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .header-inner{gap:10px}
}
@media (max-width:640px){
  body{padding-top:66px}
  .header-inner{height:66px}
  .main-nav{top:66px}
  .brand-text strong{font-size:13.5px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btn-ghost,.btn-solid{padding:9px 13px;font-size:12.5px}
  .section{padding:58px 0}
  .art-hero-inner{padding:26px 0 42px}
  .cta-band{padding:30px 22px}
  .stat-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .art-aside{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .fab{height:52px;padding:0 15px;bottom:86px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .art-hero h1{font-size:1.5rem}
  .brand-mark{width:38px;height:38px;font-size:17px;border-radius:11px}
  .brand-text strong{font-size:12.5px;max-width:130px}
  .header-actions{gap:6px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(11,23,48,.72);
  --surface-solid:#0a1428;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.4);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --good:#22C55E;
  --strong:#38BDF8;
  --mid:#FACC15;
  --weak:#F43F5E;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --shadow-soft:0 10px 26px rgba(2,6,23,.4);
  --neon:0 0 22px rgba(37,99,235,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:72px 0 0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1rem}
h1,h2,h3,h4{margin:0 0 .55em;font-weight:800;line-height:1.24;letter-spacing:-.01em}
h1{font-size:clamp(1.85rem,3.5vw,2.85rem)}
h2{font-size:clamp(1.42rem,2.4vw,2.02rem)}
h3{font-size:1.1rem}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.86);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(2,6,23,.6);background:rgba(3,7,18,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;font-size:19px;
  border-radius:13px;background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03101f;box-shadow:var(--neon);flex-shrink:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-3);font-weight:600}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(37,99,235,.16)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.btn-ghost{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  color:var(--brand-3);font-size:13.5px;font-weight:600;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.12)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);border:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;
  font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 10px 24px rgba(37,99,235,.38);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,189,248,.5)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);color:var(--text);
  font-weight:600;font-size:14px;white-space:nowrap;transition:.2s ease;
}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,18,41,.7);cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand-3);margin:0 auto;border-radius:2px}

/* ===== Section base ===== */
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.35));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:74ch}
.muted{color:var(--muted)}
.tiny{font-size:.84rem;color:var(--dim)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:36px 0}

/* ===== Hero (category) ===== */
.hero-cat{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-cat .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.28;filter:saturate(1.05);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(880px 500px at 10% 6%,rgba(37,99,235,.42),transparent 64%),
             linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.92) 64%,var(--bg) 100%);
}
.hero-cat .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.32fr .92fr;gap:46px;align-items:center;padding:66px 0 60px}
.hero-copy{max-width:700px}
.hero-copy h1 .accent{background:linear-gradient(120deg,#38BDF8,#60A5FA 48%,#F8FAFC);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#cbd5e1;font-size:1.05rem;max-width:62ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  font-size:13px;font-weight:600;color:#dbeafe;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(37,99,235,.14);border:1px solid var(--line);
}
.hero-panel{
  background:linear-gradient(155deg,rgba(11,23,48,.94),rgba(3,7,18,.94));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
}
.hero-panel .panel-title{
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:16px;display:flex;align-items:center;gap:9px;
}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.panel-stat{
  background:rgba(37,99,235,.1);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 15px;transition:.22s ease;
}
.panel-stat:hover{border-color:var(--line-strong);background:rgba(37,99,235,.18);transform:translateY(-3px)}
.panel-stat strong{display:block;font-size:1.5rem;font-weight:800;color:#fff;line-height:1.1}
.panel-stat span{display:block;margin-top:5px;font-size:.75rem;color:var(--muted);line-height:1.4}

/* ===== Cards / grids ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;height:100%;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.card h3{margin-bottom:.5rem}
.card p{margin-bottom:0;color:var(--muted);font-size:.94rem}
.icon-badge{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:#03101f;background:linear-gradient(135deg,#2563EB,#38BDF8);
  margin-bottom:16px;box-shadow:var(--neon);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);padding:5px 12px;
}
.tag-good{color:#bbf7d0;background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.4)}
.tag-mid{color:#fef08a;background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.35)}

/* ===== Narrative split ===== */
.split{display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:start}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:.95rem;color:#cbd5e1;
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--brand-2);margin-top:4px;font-size:14px}
.check-list strong{display:block;color:#fff;font-weight:700;margin-bottom:2px}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(3,7,18,.75));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px 22px;
  transition:.22s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-num{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#03101f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);margin-bottom:14px;
}
.step h3{font-size:1rem}
.step p{color:var(--muted);font-size:.9rem;margin-bottom:0}

/* ===== Form table ===== */
.table-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:10px 8px;box-shadow:var(--shadow-soft);overflow:hidden;
}
.form-row{
  display:grid;grid-template-columns:1.5fr 1.35fr .9fr .9fr .9fr;
  align-items:center;gap:12px;padding:15px 16px;border-radius:var(--radius-sm);
  transition:background .2s ease;
}
.form-row:hover{background:rgba(37,99,235,.1)}
.form-head{
  font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--dim);border-bottom:1px solid var(--line);border-radius:0;
}
.form-head:hover{background:transparent}
.team-cell{display:flex;align-items:center;gap:11px;font-weight:600;color:#fff;font-size:.95rem}
.team-dot{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#03101f;background:linear-gradient(135deg,#60A5FA,#38BDF8);
  flex-shrink:0;
}
.form-badges{display:flex;gap:6px}
.fb{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:11.5px;font-weight:800;color:#03101f;
}
.fb-t{background:linear-gradient(135deg,#4ade80,#22C55E)}
.fb-h{background:linear-gradient(135deg,#fde68a,#FACC15)}
.fb-b{background:linear-gradient(135deg,#fda4af,#F43F5E);color:#2b0413}
.num-cell{font-weight:700;color:#e2e8f0;font-size:.95rem}
.trend{font-size:.82rem;font-weight:700;letter-spacing:.04em}
.trend-up{color:#4ade80}
.trend-flat{color:#fde68a}
.trend-down{color:#fda4af}

/* ===== Split with image ===== */
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.media-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.media-figure img{width:100%;height:100%;object-fit:cover;min-height:320px}
.media-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.15),rgba(3,7,18,.82));
}
.media-caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:rgba(3,7,18,.78);border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);padding:12px 14px;backdrop-filter:blur(8px);
}
.media-caption strong{display:block;font-size:1.15rem;color:#fff;line-height:1.1}
.media-caption span{font-size:.78rem;color:var(--muted)}

/* ===== Channel matrix ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(11,23,48,.92),rgba(3,7,18,.8));
  border:1px solid var(--line);color:var(--text);transition:.24s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 18px 38px rgba(37,99,235,.28);color:#fff}
.channel-card h3{margin-bottom:.45rem}
.channel-card p{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.channel-more{font-size:.86rem;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px}
.channel-card.is-current{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}

/* ===== FAQ ===== */
.faq-wrap{max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(11,23,48,.6);margin-bottom:12px;overflow:hidden;transition:.2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.85)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  font-weight:700;font-size:1rem;color:#fff;display:flex;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;font-size:12px;color:var(--brand-2);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 20px 18px;margin:0;color:var(--muted);font-size:.94rem}

/* ===== News list ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:20px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.news-card h3{font-size:1.02rem;margin:0}
.news-card h3 a{color:#fff}
.news-card p{color:var(--muted);font-size:.91rem;margin:0;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;font-size:.8rem;color:var(--dim)}
.news-meta time{white-space:nowrap}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:46px 40px;
  background:radial-gradient(700px 340px at 12% 12%,rgba(37,99,235,.4),transparent 66%),
             linear-gradient(150deg,rgba(11,23,48,.96),rgba(3,7,18,.96));
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:.5rem}
.cta-band p{color:#cbd5e1;max-width:64ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ===== Footer ===== */
.site-footer{
  margin-top:20px;padding:62px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.92));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-grid p{color:var(--muted);font-size:.9rem}
.footer-grid h4{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-grid ul li{margin-bottom:9px}
.footer-grid ul a{font-size:.9rem;color:var(--muted)}
.footer-grid ul a:hover{color:var(--brand-2)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:7px 13px;border-radius:var(--radius-pill);
  color:#dbeafe;background:rgba(37,99,235,.16);border:1px solid var(--line-strong);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--dim);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--radius-pill);
  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,#38BDF8,#2563EB,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2e8f0;font-size:13px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 0 22px rgba(37,99,235,.45);
  min-height:52px;transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;
  opacity:.86;
}
.fab:hover{color:#fff;transform:translateY(-3px) scale(1.03);opacity:1;box-shadow:0 0 32px rgba(56,189,248,.6)}
.fab:active{transform:translateY(0) scale(.96)}
.fab-icon{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;font-size:13px;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab-dot{
  width:9px;height:9px;border-radius:50%;background:#F43F5E;
  box-shadow:0 0 0 3px rgba(244,63,94,.25);animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 0 0 rgba(56,189,248,.5)}50%{box-shadow:0 0 0 8px rgba(56,189,248,0)}}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:992px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;margin:0;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;max-height:calc(100vh - 72px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{padding:12px 14px;font-size:15px}
  .hero-grid{grid-template-columns:1fr;gap:30px;padding:52px 0 48px}
  .split,.media-split{grid-template-columns:1fr;gap:28px}
  .grid-3{grid-template-columns:1fr 1fr}
  .channel-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1.4fr 1.3fr .8fr .8fr .8fr;font-size:.9rem}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .form-head{display:none}
  .form-row{grid-template-columns:1fr;gap:10px;border:1px solid var(--line);margin-bottom:10px;padding:16px}
  .form-row:hover{background:rgba(37,99,235,.1)}
  .num-cell::before{content:attr(data-label) ": ";color:var(--dim);font-weight:600;font-size:.82rem}
  .trend::before{content:attr(data-label) ": ";color:var(--dim);font-weight:600;font-size:.82rem}
  .cta-band{padding:34px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{padding-top:68px}
  .header-inner{height:68px;gap:10px}
  .main-nav{top:68px;max-height:calc(100vh - 68px)}
  .brand-text strong{font-size:13px}
  .brand-text small{display:none}
  .brand-mark{width:38px;height:38px;font-size:17px;border-radius:11px}
  .btn-ghost{padding:8px 11px;font-size:12.5px}
  .btn-solid{padding:9px 13px;font-size:12.5px}
  .panel-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .fab{padding:10px 14px;font-size:12px;bottom:88px}
  .fab-icon{width:26px;height:26px;font-size:12px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(11,23,48,.72);
  --surface-solid:#0a1428;
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.4);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --good:#22C55E;
  --warn:#FACC15;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --shadow-soft:0 10px 26px rgba(2,6,23,.4);
  --neon:0 0 22px rgba(37,99,235,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:72px 0 0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:68px 68px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.24;letter-spacing:-.015em;margin:0 0 14px}
h1{font-size:clamp(1.8rem,3.9vw,2.85rem)}
h2{font-size:clamp(1.42rem,2.5vw,2rem)}
h3{font-size:1.1rem}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:15px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:76px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.35));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.14);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:74ch}
.muted{color:var(--muted)}
.tiny{font-size:12.5px;line-height:1.6;color:var(--dim)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:32px 0}
/* ===== Buttons & chips ===== */
.btn-ghost{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  color:var(--brand-3);font-size:13.5px;font-weight:600;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.12)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);border:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;
  font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 10px 24px rgba(37,99,235,.38);transition:transform .2s ease,box-shadow .2s ease;
  cursor:pointer;
}
.btn-solid:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,189,248,.5)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(8,18,41,.6);color:var(--text);
  font-weight:600;font-size:14px;white-space:nowrap;transition:.2s ease;
}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:#cbe6ff;
  background:rgba(37,99,235,.18);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:4px 11px;
}
.chip{display:inline-block;font-size:12px;font-weight:700;border-radius:var(--radius-pill);padding:4px 11px}
.chip-good{color:#bbf7d0;background:rgba(34,197,94,.16);border:1px solid rgba(34,197,94,.4)}
.chip-warn{color:#fde68a;background:rgba(250,204,21,.14);border:1px solid rgba(250,204,21,.38)}
.chip-hot{color:#fecaca;background:rgba(239,68,68,.16);border:1px solid rgba(239,68,68,.42)}
.chip-soft{color:#cbe6ff;background:rgba(37,99,235,.16);border:1px solid var(--line-strong)}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.86);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 14px 34px rgba(2,6,23,.6);background:rgba(3,7,18,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;font-size:19px;
  border-radius:13px;background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03101f;box-shadow:var(--neon);flex-shrink:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-3);font-weight:600}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(37,99,235,.16)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(8,18,41,.7);cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand-3);margin:0 auto;border-radius:2px}
/* ===== Category hero ===== */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:54px 0 50px}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(780px 420px at 8% 0%,rgba(37,99,235,.44),transparent 64%),
             linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.92) 68%,var(--bg) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{margin-bottom:16px;max-width:24ch}
.cat-hero-lead{color:#cbd5e1;font-size:1.03rem;max-width:62ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px}
.hero-facts li{
  font-size:12.5px;font-weight:600;color:#dbeafe;
  padding:7px 13px;border-radius:var(--radius-pill);
  background:rgba(8,18,41,.7);border:1px solid var(--line);
}
.hero-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel-title{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-3)}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 4px rgba(34,197,94,.18);animation:pulseDot 1.8s ease-in-out infinite}
.panel-list li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.18);font-size:14px}
.panel-list li:last-child{border-bottom:0}
.panel-time{font-weight:700;color:#fff;min-width:50px}
.panel-label{color:var(--muted);flex:1}
.panel-foot{display:flex;flex-wrap:wrap;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.badge-data{font-size:12.5px;color:var(--muted);background:rgba(37,99,235,.12);border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 12px}
.badge-data strong{color:#fff;font-size:14px}
/* ===== Pain ===== */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 36px}
.pain-item{display:flex;gap:16px;padding-top:18px;border-top:1px solid var(--line)}
.pain-num{font-size:13px;font-weight:800;color:var(--brand-2);letter-spacing:.1em;min-width:32px}
.pain-item h3{font-size:1.04rem;margin-bottom:6px}
.pain-item p{color:var(--muted);font-size:.95rem;margin:0}
/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(11,23,48,.88),rgba(8,18,41,.48));
  border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.step-num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.92rem;margin:0}
/* ===== Table ===== */
.table-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(11,23,48,.86),rgba(8,18,41,.46));
  box-shadow:var(--shadow);overflow:hidden;
}
.table-card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.table-card-head h3{margin:0;font-size:1.05rem}
.table-scroll{overflow-x:auto}
.odds-table{width:100%;border-collapse:collapse;min-width:640px}
.odds-table th{
  text-align:left;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-3);font-weight:700;padding:14px 22px;background:rgba(37,99,235,.1);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.odds-table td{padding:16px 22px;font-size:14.5px;color:var(--muted);border-bottom:1px solid rgba(96,165,250,.1);vertical-align:middle}
.odds-table tbody tr:last-child td{border-bottom:0}
.odds-table tbody tr:hover{background:rgba(37,99,235,.07)}
.odds-table td strong{color:#fff;font-size:15px}
.table-note{padding:16px 22px;font-size:13px;color:var(--dim);border-top:1px solid var(--line)}
/* ===== Odds groups ===== */
.odds-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.odds-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;align-items:center;
  padding:18px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--surface);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.odds-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.odds-card figure{margin:0}
.odds-card img{width:100%;height:112px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.odds-card h3{font-size:1.04rem;margin-bottom:6px}
.odds-card p{color:var(--muted);font-size:.92rem;margin:0 0 10px}
/* ===== Experts ===== */
.expert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.quote{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,23,48,.8),rgba(8,18,41,.4));
  border-left:3px solid var(--brand-2);
}
.quote p{font-size:.96rem;color:#dbe4f0;font-style:italic;margin-bottom:16px}
.quote-meta{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03101f;font-weight:800;font-size:14px;flex-shrink:0;
}
.quote-meta strong{display:block;font-size:14px;color:#fff}
.quote-meta small{display:block;font-size:12px;color:var(--dim)}
/* ===== Brief list ===== */
.brief-list{display:grid;gap:2px}
.brief-row{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:20px;align-items:start;
  padding:20px 0;border-bottom:1px dashed rgba(148,163,184,.2);
}
.brief-row:last-child{border-bottom:0}
.brief-time{font-weight:800;color:#fff;font-size:15px}
.brief-time small{display:block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-3);font-weight:600;margin-top:4px}
.brief-row h3{font-size:1.02rem;margin-bottom:6px}
.brief-row p{color:var(--muted);font-size:.93rem;margin:0}
/* ===== Channels ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
  display:block;padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,23,48,.82),rgba(8,18,41,.42));color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-soft);color:#fff}
.channel-card i{font-size:20px;color:var(--brand-2);margin-bottom:14px;display:block}
.channel-card h3{font-size:1.05rem;margin-bottom:8px}
.channel-card p{color:var(--muted);font-size:.92rem;margin:0 0 14px}
.channel-card span.more{font-size:13px;font-weight:700;color:var(--brand-2);letter-spacing:.04em}
.channel-card.is-current{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
/* ===== FAQ ===== */
.faq-acc{max-width:900px}
.faq-acc .accordion-item{
  background:linear-gradient(180deg,rgba(11,23,48,.84),rgba(8,18,41,.44));
  border:1px solid var(--line);border-radius:var(--radius)!important;margin-bottom:14px;overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:1rem;
  padding:18px 22px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){color:#fff;background:rgba(37,99,235,.14)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{filter:invert(1) brightness(1.8);opacity:.8}
.faq-acc .accordion-body{color:var(--muted);font-size:.95rem;padding:4px 22px 20px;line-height:1.68}
/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  padding:44px 40px;background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(8,18,41,.82) 58%,rgba(56,189,248,.18));
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 240px;min-height:50px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:rgba(3,7,18,.6);color:var(--text);
}
.cta-form input::placeholder{color:var(--dim)}
.form-note{flex:1 1 100%;font-size:12.5px;color:var(--dim);margin:8px 0 0}
.form-note.is-error{color:#fca5a5}
.form-note.is-ok{color:#86efac}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:12px;font-weight:700;color:#fde68a;
  border:1px solid rgba(250,204,21,.35);background:rgba(250,204,21,.1);
  border-radius:var(--radius-pill);padding:6px 13px;
}
/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.96));padding:56px 0 26px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.site-footer h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-3);margin-bottom:16px}
.site-footer p{color:var(--muted);font-size:.92rem}
.site-footer ul li{margin-bottom:9px}
.site-footer ul a{color:var(--muted);font-size:.93rem}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--dim);
}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  min-height:52px;padding:0 18px 0 12px;border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38BDF8,#2563EB,#60A5FA);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2f5ff;font-size:13.5px;font-weight:600;
  box-shadow:0 0 20px rgba(6,182,212,.42);
  opacity:.85;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;color:#fff;transform:scale(1.06);box-shadow:0 0 30px rgba(56,189,248,.6)}
.fab:active{transform:scale(.95)}
.fab-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(56,189,248,.16);color:var(--brand-2);font-size:15px}
.fab:hover .fab-icon{animation:fabSpin .7s ease}
.fab-dot{position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 2px rgba(255,255,255,.8);animation:pulseDot 1.4s ease-in-out infinite}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes fabSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
/* ===== Responsive ===== */
@media (max-width:1100px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .expert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:1024px){
  .cat-hero{padding:42px 0 40px}
  .odds-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 22px;display:none;margin-left:0;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav a{padding:13px 14px;border-radius:var(--radius-sm);font-size:15px}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .btn-ghost,.btn-solid{padding:9px 13px;font-size:12.5px}
  .pain-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{padding-top:72px}
  .section{padding:58px 0}
  .hero-panel{padding:16px}
  .odds-card{grid-template-columns:1fr}
  .odds-card img{height:150px}
  .brief-row{grid-template-columns:1fr;gap:8px}
  .table-scroll{overflow:visible}
  .odds-table{min-width:0;display:block}
  .odds-table thead{display:none}
  .odds-table tbody,.odds-table tr,.odds-table td{display:block;width:100%}
  .odds-table tr{border-bottom:1px solid var(--line);padding:8px 0}
  .odds-table td{border-bottom:0;padding:8px 20px;display:flex;gap:12px;align-items:baseline}
  .odds-table td::before{
    content:attr(data-label);flex:0 0 118px;
    font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-3);font-weight:700;
  }
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:30px 22px}
  .fab{bottom:88px;padding:0 14px 0 10px;font-size:12.5px}
}
@media (max-width:520px){
  .brand-text small{display:none}
  .brand-text strong{font-size:13.5px}
  h1{font-size:1.62rem}
  .btn-ghost{padding:8px 11px;font-size:12px}
  .btn-solid{padding:9px 13px;font-size:12px}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn-solid,.hero-cta .btn-outline{width:100%}
  .fab-text{display:none}
  .fab{padding:0;width:54px;height:54px;justify-content:center;left:12px;bottom:84px}
}

/* 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}