/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:rgba(12,24,48,.66);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --brand:#2563EB;
  --brand2:#38BDF8;
  --cyan:#22D3EE;
  --text:#F8FAFC;
  --muted:#9FB3CE;
  --gold:#FBBF24;
  --green:#22C55E;
  --rose:#F43F5E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 46px rgba(2,8,26,.62);
  --glow:0 0 26px rgba(56,189,248,.32);
  --sp-section:76px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:74px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--text);
  line-height:1.62;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 64%),
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-attachment:fixed,fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand2);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#8ee9ff;}
h1,h2,h3,h4{font-weight:800;line-height:1.22;margin:0 0 14px;letter-spacing:-.2px;}
p{margin:0 0 16px;color:var(--muted);}
ul{margin:0;padding:0;list-style:none;}
section{position:relative;scroll-margin-top:96px;}

.container{max-width:1200px;}

/* ---------- Buttons ---------- */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.cta i{font-size:.9em;}
.cta-primary{
  background:linear-gradient(135deg,#2563EB 0%,#22D3EE 100%);
  color:#02121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.55),0 12px 32px rgba(34,211,238,.34);
}
.cta-primary:hover{transform:translateY(-2px);color:#02121f;box-shadow:0 0 0 1px rgba(56,189,248,.9),0 16px 42px rgba(34,211,238,.55);}
.cta-ghost{background:rgba(255,255,255,.03);border-color:rgba(56,189,248,.42);color:#dcebff;}
.cta-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.10);color:#fff;}
.cta-sm{padding:9px 18px;font-size:.85rem;}
.cta:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,26,.80);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.88rem;font-weight:600;color:#c9dcf5;
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.14);border-color:rgba(56,189,248,.4);}
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:#dcebff;font-size:1.05rem;
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 70px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(.85);
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.66) 0%,rgba(3,7,18,.90) 58%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:.76rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.36);
  margin-bottom:20px;
}
.hero-title{font-size:clamp(1.75rem,3.6vw,2.85rem);margin-bottom:16px;}
.hero-title em{font-style:normal;color:var(--cyan);}
.hero-lead{font-size:1.02rem;max-width:660px;margin-bottom:24px;color:#c3d5ec;}
.hero-points{display:grid;gap:10px;margin-bottom:28px;}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:.94rem;color:#d7e6f8;}
.hero-points i{color:var(--cyan);margin-top:4px;font-size:.85rem;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid var(--line);}
.hero-stats .stat strong{display:block;font-size:1.5rem;font-weight:800;color:#fff;}
.hero-stats .stat span{font-size:.78rem;color:var(--muted);letter-spacing:.03em;}

.glass{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.countdown-card{padding:26px 24px;text-align:center;}
.countdown-card h3{font-size:1.02rem;margin-bottom:6px;}
.countdown-card p{font-size:.85rem;margin-bottom:18px;}
.ring-wrap{position:relative;width:172px;height:172px;margin:0 auto 20px;}
.ring{width:100%;height:100%;}
.ring-progress{transition:stroke-dashoffset .8s linear;}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.ring-center .ring-label{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.ring-center strong{font-size:1.42rem;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;}
.mini-list{display:grid;gap:10px;text-align:left;margin-bottom:18px;}
.mini-list li{display:flex;justify-content:space-between;gap:10px;font-size:.83rem;color:#c9dcf5;padding-bottom:9px;border-bottom:1px dashed rgba(96,165,250,.18);}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list span{color:var(--cyan);font-weight:700;}

/* ---------- Section basics ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(11,24,54,.55),rgba(3,7,18,.10));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:38px;}
.eyebrow{
  display:inline-block;font-size:.73rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-title{font-size:clamp(1.35rem,2.3vw,1.95rem);}
.section-sub{font-size:.96rem;margin-bottom:0;}

/* ---------- Shared blocks ---------- */
.tile{
  height:100%;padding:24px 22px;border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(28,48,88,.52),rgba(7,15,34,.74));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tile:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 40px rgba(6,20,48,.6);}
.tile-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid rgba(56,189,248,.32);
  color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.tile h3{font-size:1.03rem;margin-bottom:9px;}
.tile p{font-size:.9rem;margin-bottom:0;}

.pain-list{display:grid;gap:14px;}
.pain-item{
  display:flex;gap:15px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-md);
  background:rgba(10,20,42,.62);border:1px solid var(--line);border-left:3px solid var(--rose);
}
.pain-item i{color:var(--rose);margin-top:4px;}
.pain-item strong{display:block;font-size:.97rem;color:#fff;margin-bottom:4px;}
.pain-item p{font-size:.88rem;margin-bottom:0;}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step;}
.step{
  position:relative;padding:26px 20px 22px;border-radius:var(--radius-md);
  background:linear-gradient(170deg,rgba(22,42,80,.5),rgba(6,13,30,.72));
  border:1px solid var(--line);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:14px;right:18px;font-size:1.5rem;font-weight:800;
  color:rgba(56,189,248,.22);
}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{font-size:.87rem;margin-bottom:0;}

.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.metric{background:rgba(7,15,34,.9);padding:26px 20px;text-align:left;}
.metric strong{display:block;font-size:1.72rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.metric span{font-size:.82rem;color:var(--muted);}

.quote{
  height:100%;padding:24px 22px;border-radius:var(--radius-md);
  background:rgba(10,20,42,.6);border:1px solid var(--line);
}
.quote .stars{color:var(--gold);font-size:.82rem;letter-spacing:.14em;margin-bottom:12px;}
.quote p{font-size:.92rem;color:#d3e3f6;}
.quote .who{display:flex;align-items:center;gap:11px;margin-top:16px;}
.quote .who span{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#38BDF8,#2563EB);color:#02121f;font-weight:800;font-size:.82rem;
}
.quote .who strong{display:block;font-size:.88rem;color:#fff;}
.quote .who small{color:var(--muted);font-size:.75rem;}

.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.matrix-item{
  display:flex;gap:15px;align-items:flex-start;padding:20px;
  border-radius:var(--radius-md);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(20,38,72,.5),rgba(6,13,30,.7));
  transition:border-color .25s ease,transform .25s ease;
}
.matrix-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.matrix-item i{font-size:1.15rem;color:var(--cyan);margin-top:3px;}
.matrix-item strong{display:block;color:#fff;font-size:.96rem;margin-bottom:5px;}
.matrix-item p{font-size:.86rem;margin-bottom:0;}

.channel-card{
  display:block;height:100%;padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(28,52,96,.55),rgba(6,14,32,.8));
  border:1px solid var(--line);color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);color:var(--text);box-shadow:0 18px 44px rgba(6,20,48,.6);}
.channel-card .ch-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.channel-card .ch-top i{font-size:1.35rem;color:var(--cyan);}
.badge{
  font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;background:rgba(34,211,238,.12);
  border:1px solid rgba(56,189,248,.35);color:#a5f3fc;
}
.channel-card h3{font-size:1.05rem;margin-bottom:9px;color:#fff;}
.channel-card p{font-size:.88rem;margin-bottom:14px;}
.channel-card .more{font-size:.84rem;font-weight:700;color:var(--cyan);}

.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  border-radius:var(--radius-md);border:1px solid var(--line);
  background:rgba(9,18,38,.7);transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#0a1730;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--muted);margin-bottom:10px;}
.news-meta .tag{color:var(--cyan);font-weight:700;letter-spacing:.05em;text-transform:uppercase;}
.news-card h3{font-size:.99rem;margin-bottom:9px;}
.news-card h3 a{color:#fff;}
.news-card h3 a:hover{color:var(--cyan);}
.news-card p{font-size:.85rem;margin-bottom:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

.side-list{display:grid;gap:14px;}
.side-item{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:var(--radius-md);background:rgba(10,20,42,.6);border:1px solid var(--line);}
.side-item img{width:76px;height:58px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;}
.side-item h4{font-size:.88rem;margin-bottom:5px;}
.side-item h4 a{color:#e9f2ff;}
.side-item h4 a:hover{color:var(--cyan);}
.side-item small{font-size:.73rem;color:var(--muted);}

.empty-note{
  padding:22px;border-radius:var(--radius-md);border:1px dashed var(--line-strong);
  background:rgba(10,20,42,.5);font-size:.9rem;color:var(--muted);text-align:center;
}

.log-list{display:grid;gap:2px;border-left:2px solid rgba(56,189,248,.32);padding-left:22px;}
.log-item{position:relative;padding:0 0 24px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:'';position:absolute;left:-29px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.15);
}
.log-item strong{display:block;color:#fff;font-size:.95rem;margin-bottom:5px;}
.log-item span{font-size:.76rem;color:var(--cyan);font-weight:700;letter-spacing:.05em;}
.log-item p{font-size:.87rem;margin:6px 0 0;}

.device-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);}
.device-list{display:grid;gap:14px;}
.device-row{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-md);background:rgba(10,20,42,.58);border:1px solid var(--line);}
.device-row i{color:var(--cyan);font-size:1.05rem;margin-top:3px;}
.device-row strong{display:block;color:#fff;font-size:.93rem;margin-bottom:4px;}
.device-row p{font-size:.85rem;margin-bottom:0;}

.trust-row{display:flex;flex-wrap:wrap;gap:14px;}
.trust-chip{
  display:flex;align-items:center;gap:11px;padding:15px 19px;border-radius:var(--radius-md);
  background:rgba(10,20,42,.6);border:1px solid var(--line);font-size:.85rem;color:#d3e3f6;
}
.trust-chip i{color:var(--green);}

.accordion-item{background:transparent;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;}
.accordion-button{
  background:rgba(13,26,52,.72);color:#e6f1ff;font-weight:700;font-size:.96rem;
  padding:18px 22px;box-shadow:none;
}
.accordion-button:not(.collapsed){background:rgba(34,211,238,.12);color:#fff;box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(34,211,238,.28);border-color:transparent;}
.accordion-button::after{filter:invert(1) hue-rotate(170deg);}
.accordion-body{background:rgba(7,15,34,.66);color:var(--muted);font-size:.9rem;padding:18px 22px;}

.cta-band{
  padding:48px 40px;border-radius:26px;text-align:center;
  background:linear-gradient(140deg,rgba(37,99,235,.30),rgba(11,24,54,.85));
  border:1px solid rgba(56,189,248,.34);
  box-shadow:0 22px 60px rgba(4,14,38,.7);
}
.cta-band h2{font-size:clamp(1.3rem,2.4vw,1.85rem);}
.cta-band p{max-width:720px;margin:0 auto 26px;}
.cta-band .cta-row{display:flex;flex-wrap:wrap;gap:13px;justify-content:center;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;padding:62px 0 26px;
  background:linear-gradient(180deg,rgba(6,13,30,.4),rgba(2,6,18,.96));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col h4{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:#cfe2f8;margin-bottom:16px;}
.footer-col p{font-size:.86rem;}
.footer-col li{margin-bottom:10px;}
.footer-col li a,.footer-col li span{font-size:.86rem;color:var(--muted);}
.footer-col li a:hover{color:var(--cyan);}
.footer-note{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:22px;border-top:1px solid var(--line);font-size:.79rem;color:#7d92ad;
}
.footer-18{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 10px;border-radius:8px;border:1px solid rgba(244,63,94,.5);
  color:#fda4af;font-weight:800;font-size:.74rem;letter-spacing:.06em;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:rgba(7,12,28,.85);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,28,.9),rgba(7,12,28,.9)),linear-gradient(135deg,#22D3EE,#EC4899);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#a5f3fc;font-size:1.12rem;opacity:.78;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);color:#fff;box-shadow:0 0 30px rgba(34,211,238,.7);}
.fab:active{transform:scale(.94);}
.fab .fab-dot{
  position:absolute;top:5px;right:6px;width:11px;height:11px;border-radius:50%;
  background:#22D3EE;box-shadow:0 0 0 3px rgba(7,12,28,.9);
  animation:pulse 1.9s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.25);opacity:.6;}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:62px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;margin-left:0;
    background:rgba(4,10,26,.97);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:.93rem;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;order:3;}
  .header-actions{margin-left:0;order:2;}
  .brand{order:1;}
  .brand-text small{display:none;}
}
@media (max-width:768px){
  body{padding-top:68px;}
  .header-inner{min-height:68px;gap:10px;}
  .main-nav{top:68px;}
  .hero{padding:44px 0 56px;}
  .matrix{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:34px 22px;}
  .hero-stats{gap:18px;}
  .hero-stats .stat strong{font-size:1.28rem;}
}
@media (max-width:520px){
  :root{--sp-section:52px;}
  .header-actions .cta{padding:8px 13px;font-size:.78rem;}
  .brand-mark{width:36px;height:36px;border-radius:10px;font-size:.78rem;}
  .brand-text strong{font-size:.84rem;}
  .nav-toggle{width:38px;height:38px;}
  .steps{grid-template-columns:1fr;}
  .metric-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .cta{width:100%;}
  .cta-band .cta-row .cta{width:100%;}
  .fab{left:12px;bottom:82px;width:52px;height:52px;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:rgba(12,24,48,.66);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --brand:#2563EB;
  --brand2:#38BDF8;
  --cyan:#22D3EE;
  --text:#F8FAFC;
  --muted:#9FB3CE;
  --gold:#FBBF24;
  --green:#22C55E;
  --rose:#F43F5E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 46px rgba(2,8,26,.62);
  --glow:0 0 26px rgba(56,189,248,.32);
  --sp-section:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:74px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  color:var(--text);
  line-height:1.62;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 64%),
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-attachment:fixed,fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand2);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#8ee9ff;}
h1,h2,h3,h4,h5{font-weight:800;line-height:1.28;margin:0 0 12px;letter-spacing:-.01em;}
p{margin:0 0 14px;color:#c6d7ee;}
ul{margin:0;padding:0;list-style:none;}
section{position:relative;scroll-margin-top:96px;}
.container{max-width:1200px;}
::selection{background:rgba(34,211,238,.35);color:#fff;}

/* ---------- Buttons ---------- */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.cta i{font-size:.9em;}
.cta-primary{
  background:linear-gradient(135deg,#2563EB 0%,#22D3EE 100%);
  color:#02121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.55),0 12px 32px rgba(34,211,238,.34);
}
.cta-primary:hover{transform:translateY(-2px);color:#02121f;box-shadow:0 0 0 1px rgba(56,189,248,.9),0 16px 42px rgba(34,211,238,.55);}
.cta-ghost{background:rgba(255,255,255,.03);border-color:rgba(56,189,248,.42);color:#dcebff;}
.cta-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.10);color:#fff;}
.cta-sm{padding:9px 18px;font-size:.85rem;}
.cta:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,26,.80);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.88rem;font-weight:600;color:#c9dcf5;
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.14);border-color:rgba(56,189,248,.4);}
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:#dcebff;font-size:1.05rem;
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:60px 0 66px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(.85);
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.90) 58%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:.76rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.36);
  margin-bottom:20px;
}
.hero-title{font-size:clamp(1.62rem,3.5vw,2.7rem);margin-bottom:16px;}
.hero-title em{font-style:normal;color:var(--cyan);}
.hero-lead{font-size:1rem;max-width:720px;margin:0 auto 26px;color:#c3d5ec;}
.hero-search{max-width:660px;margin:0 auto 20px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  padding:8px 8px 8px 18px;border-radius:999px;
  background:rgba(8,18,41,.78);border:1px solid var(--line-strong);
  box-shadow:var(--glow);
}
.search-box i{color:var(--cyan);font-size:.95rem;}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;color:var(--text);
  font-family:inherit;font-size:.93rem;padding:10px 4px;
}
.search-box input::placeholder{color:#7e94b3;}
.search-box input:focus{outline:none;}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:.79rem;font-weight:600;
  color:#cfe2f9;background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:#fff;border-color:var(--line-strong);background:rgba(34,211,238,.12);transform:translateY(-1px);}
.hero-stats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px 44px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-stats .stat{min-width:140px;}
.hero-stats .stat strong{display:block;font-size:1.45rem;font-weight:800;color:#fff;}
.hero-stats .stat span{font-size:.78rem;color:var(--muted);letter-spacing:.03em;}

/* ---------- Section basics ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(11,24,54,.55),rgba(3,7,18,.10));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:.73rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-title{font-size:clamp(1.3rem,2.3vw,1.95rem);}
.section-sub{font-size:.96rem;margin-bottom:0;color:#b9cce6;}
.glass{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);border:0;margin:0;}

/* ---------- Pain / problem ---------- */
.pain-item{
  display:flex;gap:15px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-md);
  background:rgba(10,20,42,.5);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.pain-item:hover{border-color:var(--line-strong);transform:translateX(3px);}
.pain-item i{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(244,63,94,.14);color:#fda4af;font-size:.85rem;margin-top:2px;
}
.pain-item h3{font-size:.98rem;margin-bottom:4px;}
.pain-item p{font-size:.88rem;margin-bottom:0;color:#a9bedb;}

/* ---------- Feature bento ---------- */
.feat-card{
  height:100%;padding:26px 24px;border-radius:var(--radius-lg);
  background:var(--bg-panel);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 52px rgba(2,8,26,.7),var(--glow);}
.feat-card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:1.05rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.35);margin-bottom:16px;
}
.feat-card h3{font-size:1.05rem;}
.feat-card p{font-size:.89rem;margin-bottom:0;color:#a9bedb;}
.feat-wide{background:linear-gradient(140deg,rgba(37,99,235,.30),rgba(12,24,48,.72));border-color:var(--line-strong);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.32);
}
.tag.gold{color:#fde68a;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);}

/* ---------- Steps ---------- */
.step-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.step-item:last-child{border-bottom:0;padding-bottom:0;}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.95rem;color:#02121f;
  background:linear-gradient(135deg,#22D3EE,#2563EB);
  box-shadow:0 0 16px rgba(34,211,238,.35);
}
.step-item h3{font-size:1rem;margin-bottom:5px;}
.step-item p{font-size:.88rem;margin-bottom:0;color:#a9bedb;}

/* ---------- KPI strip ---------- */
.kpi-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:rgba(8,18,41,.6);
}
.kpi{padding:28px 22px;border-right:1px solid var(--line);}
.kpi:last-child{border-right:0;}
.kpi strong{display:block;font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:4px;}
.kpi strong span{color:var(--cyan);}
.kpi p{font-size:.83rem;margin-bottom:0;color:var(--muted);}

/* ---------- Reviews ---------- */
.quote-card{
  height:100%;padding:24px 22px;border-radius:var(--radius-md);
  background:rgba(10,20,42,.56);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .22s ease,transform .22s ease;
}
.quote-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.quote-card .stars{color:var(--gold);font-size:.8rem;letter-spacing:.14em;}
.quote-card p{font-size:.9rem;margin-bottom:0;color:#c6d7ee;}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:auto;}
.quote-who .av{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:.82rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.quote-who strong{display:block;font-size:.86rem;}
.quote-who small{font-size:.74rem;color:var(--muted);}

/* ---------- Audience rows ---------- */
.aud-row{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.aud-row:last-child{border-bottom:0;}
.aud-row i{color:var(--cyan);margin-top:5px;font-size:.85rem;flex:0 0 18px;}
.aud-row strong{display:block;font-size:.95rem;margin-bottom:4px;}
.aud-row span{font-size:.86rem;color:#a9bedb;}

/* ---------- Payment cloud ---------- */
.pay-cloud{display:flex;flex-wrap:wrap;gap:11px;}
.pay-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:12px;font-size:.86rem;font-weight:700;color:#dcebff;
  background:rgba(10,20,42,.66);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.pay-pill i{color:var(--cyan);font-size:.8rem;}
.pay-pill:hover{border-color:var(--line-strong);background:rgba(34,211,238,.10);transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:rgba(10,20,42,.5);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  font-weight:700;font-size:.96rem;color:#e6f1ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.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:.72rem;color:var(--cyan);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 20px 18px;font-size:.89rem;color:#a9bedb;line-height:1.68;}

/* ---------- CTA band ---------- */
.cta-band{
  padding:44px 36px;border-radius:var(--radius-lg);text-align:center;
  background:
    radial-gradient(600px 260px at 50% 0%, rgba(34,211,238,.20), transparent 70%),
    linear-gradient(140deg,rgba(37,99,235,.34),rgba(8,18,41,.86));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
}
.cta-band h2{font-size:clamp(1.28rem,2.4vw,1.85rem);}
.cta-band p{max-width:660px;margin:0 auto 24px;font-size:.95rem;}
.cta-band .cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--sp-section);
  background:#04091a;border-top:1px solid var(--line);
  padding:var(--sp-section) 0 0;
}
.footer-top{padding-bottom:38px;}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.f-brand .logo-mark{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-size:1.05rem;color:#02121f;background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.f-brand strong{display:block;font-size.98rem;font-size:.98rem;}
.f-brand small{font-size:.74rem;color:var(--muted);}
.f-desc{font-size:.87rem;color:#a3b8d5;margin-bottom:18px;}
.f-badges{display:flex;flex-wrap:wrap;gap:9px;}
.f-badges span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.74rem;font-weight:600;color:#cfe2f9;
  padding:6px 12px;border-radius:999px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
}
.f-badges span i{color:var(--cyan);}
.f-badges span.age{border-color:rgba(244,63,94,.4);color:#fecdd3;}
.f-badges span.age i{color:#fb7185;}
.site-footer h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:#dbe9fb;margin-bottom:16px;}
.f-links li{margin-bottom:10px;}
.f-links a{font-size:.86rem;color:#a3b8d5;}
.f-links a:hover{color:#8ee9ff;}
.f-pay{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.f-pay span{
  font-size:.74rem;font-weight:600;color:#c3d5ec;
  padding:6px 11px;border-radius:9px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.f-note{font-size:.79rem;color:#8298b8;margin-bottom:0;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:.78rem;color:#8298b8;margin-bottom:0;}
.f-resp{max-width:640px;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.92),rgba(34,211,238,.92));
  color:#02121f;font-size:1.15rem;border:1px solid rgba(56,189,248,.7);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.08) translateY(-2px);color:#02121f;box-shadow:0 0 34px rgba(6,182,212,.75);}
.fab:active{transform:scale(.95);}
.fab .dot{
  position:absolute;top:4px;right:4px;width:13px;height:13px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #04091a;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}
  50%{box-shadow:0 0 30px rgba(6,182,212,.7);}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:62px;}
  .main-nav{gap:0;}
  .nav-link{padding:9px 12px;font-size:.83rem;}
  .kpi-strip{grid-template-columns:repeat(2,1fr);}
  .kpi:nth-child(2){border-right:0;}
  .kpi:nth-child(1),.kpi:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 16px 18px;margin-left:0;
    background:rgba(4,10,26,.97);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;}
  .header-inner{position:relative;}
}
@media (max-width:768px){
  :root{--sp-section:52px;}
  body{padding-top:70px;}
  .brand-text small{display:none;}
  .hero{padding:44px 0 50px;}
  .hero-stats{gap:12px 26px;}
  .hero-stats .stat{min-width:120px;text-align:center;}
  .cta-band{padding:32px 20px;}
  .cta{padding:12px 20px;font-size:.9rem;}
  .search-box{flex-wrap:wrap;padding:12px 14px;border-radius:18px;}
  .search-box input{flex:1 1 100%;padding:6px 2px;}
  .search-box .cta{width:100%;}
}
@media (max-width:520px){
  .hero-title{font-size:1.5rem;}
  .kpi-strip{grid-template-columns:1fr;}
  .kpi{border-right:0;border-bottom:1px solid var(--line);}
  .kpi:last-child{border-bottom:0;}
  .header-actions .cta-ghost{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab{left:12px;bottom:82px;width:52px;height:52px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:rgba(12,24,48,.66);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --brand:#2563EB;
  --brand2:#38BDF8;
  --cyan:#22D3EE;
  --text:#F8FAFC;
  --muted:#9FB3CE;
  --gold:#FBBF24;
  --green:#22C55E;
  --rose:#F43F5E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 46px rgba(2,8,26,.62);
  --glow:0 0 26px rgba(56,189,248,.32);
  --sp-section:76px;
}
@media (max-width:1024px){:root{--sp-section:62px;}}
@media (max-width:520px){:root{--sp-section:48px;}}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:74px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--text);
  line-height:1.62;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 64%),
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-attachment:fixed,fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand2);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#8ee9ff;}
h1,h2,h3,h4{margin:0 0 .55em;font-weight:800;line-height:1.28;color:#fff;letter-spacing:-.01em;}
p{margin:0 0 1em;color:#c3d5ec;}
ul,ol{margin:0;padding:0;list-style:none;}
section{position:relative;scroll-margin-top:96px;}

.container{max-width:1200px;padding-left:18px;padding-right:18px;margin:0 auto;}

/* ---------- Buttons ---------- */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.cta i{font-size:.9em;}
.cta-primary{
  background:linear-gradient(135deg,#2563EB 0%,#22D3EE 100%);
  color:#02121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.55),0 12px 32px rgba(34,211,238,.34);
}
.cta-primary:hover{transform:translateY(-2px);color:#02121f;box-shadow:0 0 0 1px rgba(56,189,248,.9),0 16px 42px rgba(34,211,238,.55);}
.cta-ghost{background:rgba(255,255,255,.03);border-color:rgba(56,189,248,.42);color:#dcebff;}
.cta-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.10);color:#fff;}
.cta-sm{padding:9px 18px;font-size:.85rem;}
.cta:active{transform:translateY(0) scale(.98);}
.cta:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,26,.80);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#02121f;flex-shrink:0;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.88rem;font-weight:600;color:#c9dcf5;
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.14);border-color:rgba(56,189,248,.4);}
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:#dcebff;font-size:1.05rem;
}
.nav-toggle:hover{background:rgba(34,211,238,.18);}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;}
.crumb a{color:#a9c6e8;}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:.62rem;opacity:.6;margin-top:5px;}

/* ---------- Article Hero ---------- */
.article-hero{padding:34px 0 56px;position:relative;overflow:hidden;}
.article-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 12% 0%, rgba(37,99,235,.28), transparent 66%),
    radial-gradient(620px 300px at 88% 12%, rgba(34,211,238,.16), transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:.73rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.36);
  margin-bottom:18px;
}
.article-title{font-size:clamp(1.6rem,3.4vw,2.6rem);max-width:940px;margin-bottom:16px;}
.article-lead{font-size:1rem;max-width:780px;color:#c3d5ec;margin-bottom:22px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:.78rem;font-weight:600;
  color:#cfe3fb;background:rgba(12,24,48,.72);border:1px solid var(--line);
}
.chip i{color:var(--cyan);font-size:.78em;}

.icon-matrix{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;
  margin-bottom:24px;
}
.im-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  padding:18px 8px;border-radius:var(--radius-md);
  background:var(--bg-panel);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.im-item i{font-size:1.35rem;color:var(--cyan);}
.im-item span{font-size:.78rem;font-weight:700;color:#dbeafe;letter-spacing:.02em;}
.im-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}

.status-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;
  padding:16px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(34,211,238,.06));
  border:1px solid var(--line);
}
.status-item{display:flex;align-items:center;gap:11px;padding:4px 8px;}
.status-dot{
  width:9px;height:9px;border-radius:50%;background:var(--green);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(34,197,94,.16);
  animation:pulse 2.2s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.status-item strong{display:block;font-size:.86rem;color:#fff;}
.status-item small{font-size:.73rem;color:var(--muted);}

/* ---------- Section basics ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(11,24,54,.55),rgba(3,7,18,.10));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:11px;
}
.section-title{font-size:clamp(1.3rem,2.3vw,1.9rem);margin-bottom:10px;}
.section-sub{font-size:.95rem;margin-bottom:0;color:#a9c6e8;}

/* ---------- Article card ---------- */
.article-card{
  padding:34px;border-radius:var(--radius-lg);
  background:var(--bg-panel);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(8px);
}
.article-body{font-size:1.01rem;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:1.34rem;margin:1.9em 0 .7em;padding-left:14px;
  border-left:3px solid var(--cyan);
}
.article-body h3{font-size:1.1rem;margin:1.5em 0 .6em;color:#dbeafe;}
.article-body h4{font-size:1rem;margin:1.3em 0 .5em;color:#cfe3fb;}
.article-body p{margin-bottom:1.05em;color:#c9dcf5;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.1em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;color:#c9dcf5;}
.article-body li::marker{color:var(--cyan);}
.article-body img{border-radius:var(--radius-md);border:1px solid var(--line);margin:1.2em 0;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:#fff;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand2);
  background:rgba(37,99,235,.10);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#dbeafe;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:.92rem;}
.article-body th,.article-body td{padding:11px 13px;border:1px solid var(--line);text-align:left;color:#c9dcf5;}
.article-body th{background:rgba(37,99,235,.14);color:#fff;font-weight:700;}
.empty-box{
  padding:46px 26px;text-align:center;border-radius:var(--radius-md);
  border:1px dashed var(--line-strong);background:rgba(9,18,38,.6);
}
.empty-box i{font-size:2rem;color:var(--cyan);margin-bottom:14px;display:block;}
.empty-box h3{font-size:1.15rem;}
.empty-box p{margin-bottom:18px;}

/* ---------- Spec table ---------- */
.spec-wrap{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-panel);
}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem;}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.spec-table thead th{
  background:rgba(37,99,235,.18);color:#fff;font-size:.79rem;
  text-transform:uppercase;letter-spacing:.1em;font-weight:700;
}
.spec-table tbody th{width:34%;color:#cfe3fb;font-weight:600;background:rgba(8,18,41,.5);}
.spec-table tbody td{color:#c9dcf5;}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover td{background:rgba(34,211,238,.05);}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700;
  background:rgba(34,197,94,.14);color:#86efac;border:1px solid rgba(34,197,94,.32);margin:2px 4px 2px 0;
}
.tag-blue{background:rgba(34,211,238,.12);color:#a5f3fc;border-color:rgba(56,189,248,.34);}
.tag-gold{background:rgba(251,191,36,.14);color:#fde68a;border-color:rgba(251,191,36,.34);}

/* ---------- Carousel ---------- */
.shot-carousel{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--bg-soft);}
.shot-carousel .carousel-item img{width:100%;height:clamp(240px,42vw,430px);object-fit:cover;}
.shot-carousel .carousel-caption{
  left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
  text-align:left;
}
.shot-carousel .carousel-caption strong{display:block;font-size:1rem;color:#fff;}
.shot-carousel .carousel-caption span{font-size:.84rem;color:#a9c6e8;}
.shot-carousel .carousel-indicators [data-bs-target]{
  width:26px;height:4px;border-radius:999px;background:#38BDF8;border:0;opacity:.45;
}
.shot-carousel .carousel-indicators .active{opacity:1;}
.shot-carousel .carousel-control-prev-icon,
.shot-carousel .carousel-control-next-icon{filter:drop-shadow(0 0 6px rgba(56,189,248,.7));}

/* ---------- Action bar ---------- */
.action-bar{
  margin-top:26px;padding:24px 26px;border-radius:var(--radius-lg);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(34,211,238,.10));
  border:1px solid var(--line-strong);box-shadow:var(--glow);
}
.action-bar h3{font-size:1.08rem;margin-bottom:5px;}
.action-bar p{margin:0;font-size:.88rem;color:#cfe3fb;}
.action-bar .ab-actions{display:flex;flex-wrap:wrap;gap:11px;}

/* ---------- Advantage split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;}
.split-media img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);}
.adv-list{display:grid;gap:16px;}
.adv-item{display:flex;gap:15px;align-items:flex-start;}
.adv-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(34,211,238,.10);border:1px solid var(--line);color:var(--cyan);font-size:1rem;
}
.adv-item h3{font-size:1rem;margin-bottom:4px;}
.adv-item p{margin:0;font-size:.9rem;color:#a9c6e8;}

/* ---------- Channel grid ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
  display:flex;flex-direction:column;gap:12px;padding:26px 24px;border-radius:var(--radius-lg);
  background:var(--bg-panel);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);}
.channel-card .cc-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(34,211,238,.18));
  border:1px solid var(--line-strong);color:#e0f2fe;font-size:1.05rem;
}
.channel-card h3{font-size:1.05rem;margin:0;}
.channel-card p{margin:0;font-size:.9rem;color:#a9c6e8;}
.channel-card .cc-more{margin-top:auto;font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;gap:8px;align-items:center;}
.channel-card .cc-more i{transition:transform .22s ease;}
.channel-card:hover .cc-more i{transform:translateX(4px);}

/* ---------- Stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-card{
  padding:24px 22px;border-radius:var(--radius-md);
  background:rgba(9,18,38,.62);border:1px solid var(--line);
}
.stat-card strong{display:block;font-size:1.7rem;font-weight:800;color:#fff;line-height:1.1;}
.stat-card span{font-size:.82rem;color:var(--muted);display:block;margin-top:7px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:var(--radius-md);border:1px solid var(--line);
  background:rgba(9,18,38,.62);overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,26,54,.78);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:.98rem;color:#e6f1ff;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  color:var(--cyan);font-size:.82rem;transition:transform .25s ease;flex-shrink:0;margin-top:4px;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:.92rem;color:#a9c6e8;}

/* ---------- Final CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background-image:linear-gradient(120deg,rgba(3,7,18,.88),rgba(3,7,18,.96)),url('/assets/images/c92d913f70f44b7a.jpg');
  background-size:cover;background-position:center;
  padding:52px 40px;
}
.final-cta h2{font-size:clamp(1.3rem,2.4vw,1.95rem);max-width:640px;}
.final-cta p{max-width:620px;color:#c3d5ec;}
.final-cta .fc-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.fc-notes{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.fc-notes span{font-size:.82rem;color:#a9c6e8;display:inline-flex;align-items:center;gap:8px;}
.fc-notes i{color:var(--cyan);}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;min-height:52px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,22,.88),rgba(7,10,22,.88)),
    linear-gradient(120deg,#22D3EE,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6f1ff;font-weight:700;font-size:.85rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.88;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);color:#fff;box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab:active{transform:scale(.96);}
.fab i{color:#22D3EE;font-size:1rem;animation:flick 3s infinite;}
@keyframes flick{0%,100%{opacity:1;}48%{opacity:.55;}52%{opacity:1;}}
.fab .fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(244,63,94,.25);
  animation:pulse 1.6s infinite;
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;padding:60px 0 28px;
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.98));
  border-top:1px solid var(--line);
}
.f-brand{display:flex;align-items:center;gap:13px;margin-bottom:16px;}
.logo-mark{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#38BDF8,#2563EB);color:#02121f;font-size:1.05rem;
}
.f-brand strong{display:block;font-size:1rem;color:#fff;}
.f-brand small{font-size:.75rem;color:var(--muted);}
.f-desc{font-size:.88rem;color:#9fb3ce;}
.f-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px;}
.f-badges span{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
  font-size:.75rem;color:#cfe3fb;background:rgba(12,24,48,.8);border:1px solid var(--line);
}
.f-badges i{color:var(--cyan);}
.f-badges .age{color:#fde68a;border-color:rgba(251,191,36,.3);}
.f-badges .age i{color:var(--gold);}
.site-footer h4{font-size:.9rem;margin-bottom:14px;color:#fff;}
.f-links li{margin-bottom:9px;}
.f-links a{font-size:.86rem;color:#9fb3ce;}
.f-links a:hover{color:var(--cyan);}
.f-pay{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.f-pay span{
  padding:6px 12px;border-radius:8px;font-size:.76rem;color:#cfe3fb;
  background:rgba(12,24,48,.8);border:1px solid var(--line);
}
.f-note{font-size:.8rem;color:#8ea6c4;margin:0;}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:.8rem;color:#8ea6c4;}
.f-resp{color:#a9c6e8;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .icon-matrix{grid-template-columns:repeat(3,minmax(0,1fr));}
  .status-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:26px;}
  .channel-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 18px 20px;margin-left:0;
    background:rgba(4,10,26,.97);border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{padding:12px 14px;border-radius:10px;font-size:.92rem;}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .cta{padding:8px 13px;font-size:.8rem;}
}
@media (max-width:768px){
  body{padding-top:70px;}
  .header-inner{min-height:70px;gap:10px;}
  .main-nav{top:70px;}
  .brand-text small{display:none;}
  .article-card{padding:22px;}
  .spec-table tbody th{width:42%;}
  .spec-table th,.spec-table td{padding:12px 13px;font-size:.86rem;}
  .final-cta{padding:34px 22px;}
  .action-bar{padding:20px;}
}
@media (max-width:520px){
  .container{padding-left:14px;padding-right:14px;}
  .brand-mark{width:38px;height:38px;font-size:.82rem;}
  .brand-text strong{font-size:.86rem;}
  .header-actions .cta-ghost{display:none;}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .status-bar{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-meta{gap:8px;}
  .fab{left:12px;bottom:78px;padding:11px 16px;font-size:.8rem;}
  .action-bar .ab-actions .cta,.final-cta .fc-actions .cta{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:rgba(12,24,48,.66);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --brand:#2563EB;
  --brand2:#38BDF8;
  --cyan:#22D3EE;
  --text:#F8FAFC;
  --muted:#9FB3CE;
  --gold:#FBBF24;
  --green:#22C55E;
  --rose:#F43F5E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 46px rgba(2,8,26,.62);
  --glow:0 0 26px rgba(56,189,248,.32);
  --sp-section:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding-top:74px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--text);line-height:1.62;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 64%),
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-attachment:fixed,fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand2);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#8ee9ff;}
ul,ol{list-style:none;margin:0;padding:0;}
p{margin:0 0 1rem;color:var(--muted);}
h1,h2,h3,h4{margin:0 0 .55em;font-weight:800;line-height:1.26;letter-spacing:-.01em;color:#fff;}
h5,h6{margin:0 0 .5em;font-weight:700;color:#fff;}
section{position:relative;scroll-margin-top:96px;}
.container{max-width:1200px;width:100%;padding-left:18px;padding-right:18px;margin-right:auto;margin-left:auto;}
/* ---------- Buttons ---------- */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.cta i{font-size:.9em;}
.cta-primary{
  background:linear-gradient(135deg,#2563EB 0%,#22D3EE 100%);
  color:#02121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.55),0 12px 32px rgba(34,211,238,.34);
}
.cta-primary:hover{transform:translateY(-2px);color:#02121f;box-shadow:0 0 0 1px rgba(56,189,248,.9),0 16px 42px rgba(34,211,238,.55);}
.cta-ghost{background:rgba(255,255,255,.03);border-color:rgba(56,189,248,.42);color:#dcebff;}
.cta-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.10);color:#fff;}
.cta-sm{padding:9px 18px;font-size:.85rem;}
.cta-lg{padding:15px 32px;font-size:1rem;}
.cta:active{transform:translateY(0) scale(.985);}
.cta:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,26,.80);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.88rem;font-weight:600;color:#c9dcf5;
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.14);border-color:rgba(56,189,248,.4);}
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:#dcebff;font-size:1.05rem;
}
/* ---------- Section basics ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(11,24,54,.55),rgba(3,7,18,.10));
  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-block;font-size:.73rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-title{font-size:clamp(1.35rem,2.3vw,1.95rem);}
.section-sub{font-size:.96rem;margin-bottom:0;}
.text-left{text-align:left;}
/* ---------- Pills & badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:.76rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.36);
  margin-bottom:20px;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;color:#cfe6ff;background:rgba(56,189,248,.10);
  border:1px solid var(--line);
}
.badge-gold{color:#1f1300;background:linear-gradient(135deg,#FBBF24,#F59E0B);border-color:transparent;}
/* ---------- Glass panels ---------- */
.glass{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.glass-soft{background:rgba(12,24,48,.42);border:1px solid var(--line);border-radius:var(--radius-md);}
/* ---------- Hero ---------- */
.hero{position:relative;padding:62px 0 68px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/b8c6e18b96308ad1.jpg');
  background-size:cover;background-position:center;opacity:.28;filter:saturate(.85);
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.70) 0%,rgba(3,7,18,.92) 58%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-title{font-size:clamp(1.72rem,3.4vw,2.7rem);margin-bottom:16px;}
.hero-title em{font-style:normal;color:var(--cyan);}
.hero-lead{font-size:1.02rem;max-width:640px;margin-bottom:22px;color:#c3d5ec;}
.check-list{display:grid;gap:10px;margin-bottom:26px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:.94rem;color:#d7e6f8;}
.check-list i{color:var(--cyan);margin-top:5px;font-size:.82rem;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid var(--line);}
.hero-stats .stat strong{display:block;font-size:1.45rem;font-weight:800;color:#fff;line-height:1.2;}
.hero-stats .stat span{font-size:.78rem;color:var(--muted);letter-spacing:.03em;}
.side-panel{padding:26px 24px;}
.side-panel h3{font-size:1.05rem;margin-bottom:6px;}
.side-panel .side-note{font-size:.84rem;margin-bottom:16px;}
.mini-list{display:grid;gap:10px;text-align:left;margin-bottom:18px;}
.mini-list li{
  display:flex;justify-content:space-between;gap:12px;font-size:.85rem;color:#c9dcf5;
  padding-bottom:9px;border-bottom:1px dashed rgba(96,165,250,.18);
}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list span{color:var(--cyan);font-weight:700;}
/* ---------- Pain / list blocks ---------- */
.pain-list{display:grid;gap:14px;}
.pain-item{
  display:flex;gap:15px;align-items:flex-start;padding:20px 22px;
  background:rgba(12,24,48,.46);border:1px solid var(--line);border-radius:var(--radius-md);
  transition:border-color .22s ease,transform .22s ease;
}
.pain-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.pain-item .pain-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  color:#fff;background:linear-gradient(135deg,rgba(244,63,94,.85),rgba(37,99,235,.85));
}
.pain-item h4{font-size:1rem;margin-bottom:6px;}
.pain-item p{font-size:.9rem;margin:0;}
.solution-note{
  margin-top:22px;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(34,211,238,.07);border-radius:0 var(--radius-md) var(--radius-md) 0;
  font-size:.93rem;color:#d7e6f8;
}
/* ---------- Split media ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.info-points{display:grid;gap:16px;margin-top:6px;}
.info-points li{display:flex;gap:14px;align-items:flex-start;}
.info-points .num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;color:#02121f;background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.info-points h4{font-size:.98rem;margin-bottom:4px;}
.info-points p{font-size:.88rem;margin:0;}
/* ---------- Tier grid ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.tier-card{
  padding:22px 20px;border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(17,34,66,.78),rgba(8,18,41,.62));
  border:1px solid var(--line);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.tier-card:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-4px);}
.tier-card .tier-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  color:#a5f3fc;background:rgba(34,211,238,.12);border:1px solid rgba(56,189,248,.28);font-size:1.05rem;
}
.tier-card h4{font-size:1rem;margin-bottom:8px;}
.tier-card .rate{font-size:1.7rem;font-weight:800;color:var(--gold);line-height:1.1;}
.tier-card .rate small{font-size:.72rem;color:var(--muted);display:block;font-weight:600;letter-spacing:.03em;margin-top:4px;}
.tier-card p{font-size:.86rem;margin:12px 0 0;}
/* ---------- Steps ---------- */
.steps{display:grid;gap:14px;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius-md);
  background:rgba(12,24,48,.46);border:1px solid var(--line);
}
.step-no{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:1.05rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 20px rgba(56,189,248,.35);
}
.step h4{font-size:1rem;margin-bottom:5px;}
.step p{font-size:.89rem;margin:0;}
.gold-strip{
  margin-top:26px;padding:24px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(251,191,36,.16),rgba(34,211,238,.10));
  border:1px solid rgba(251,191,36,.38);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.gold-strip strong{color:var(--gold);font-size:1.05rem;}
.gold-strip p{margin:0;font-size:.9rem;color:#e5eefb;max-width:620px;}
/* ---------- Log ---------- */
.log-list{display:grid;gap:12px;}
.log-item{
  display:flex;gap:16px;align-items:flex-start;padding:16px 20px;
  border-radius:var(--radius-md);background:rgba(12,24,48,.4);border:1px solid var(--line);
}
.log-item .log-time{
  flex:0 0 104px;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);
  padding-top:3px;
}
.log-item p{margin:0;font-size:.9rem;color:#d7e6f8;}
/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{
  padding:24px 20px;border-radius:var(--radius-md);text-align:left;
  background:rgba(12,24,48,.5);border:1px solid var(--line);
}
.metric strong{display:block;font-size:1.6rem;font-weight:800;color:#fff;line-height:1.15;}
.metric span{display:block;margin-top:6px;font-size:.83rem;color:var(--muted);}
.metric i{color:var(--cyan);margin-bottom:10px;display:block;font-size:1rem;}
/* ---------- Audience ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.aud-item{
  display:flex;gap:15px;align-items:flex-start;padding:20px 22px;
  border-radius:var(--radius-md);background:rgba(12,24,48,.44);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.aud-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.aud-item i{color:var(--gold);font-size:1.1rem;margin-top:5px;}
.aud-item h4{font-size:.98rem;margin-bottom:5px;}
.aud-item p{font-size:.87rem;margin:0;}
/* ---------- Quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.quote{
  padding:24px 22px;border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(17,34,66,.7),rgba(8,18,41,.55));
  border:1px solid var(--line);
}
.quote .stars{color:var(--gold);font-size:.82rem;margin-bottom:12px;letter-spacing:2px;}
.quote p{font-size:.92rem;color:#dce9f9;margin-bottom:16px;}
.quote .who{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--muted);}
.quote .who span.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);display:inline-block;}
/* ---------- FAQ ---------- */
.accordion-item{
  background:rgba(12,24,48,.5);border:1px solid var(--line);border-radius:var(--radius-md)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:#fff;font-weight:700;font-size:.98rem;padding:18px 20px;line-height:1.45;
}
.accordion-button:not(.collapsed){background:rgba(34,211,238,.09);color:#fff;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:var(--line-strong);}
.accordion-button::after{filter:invert(72%) sepia(38%) saturate(1200%) hue-rotate(155deg);}
.accordion-body{padding:0 20px 20px;font-size:.92rem;color:#c3d5ec;line-height:1.66;}
/* ---------- Final CTA ---------- */
.cta-panel{
  margin-top:30px;padding:34px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(34,211,238,.14));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.cta-panel h3{font-size:1.25rem;margin-bottom:6px;}
.cta-panel p{margin:0;font-size:.92rem;max-width:620px;}
.cta-panel .cta-row{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- FAB ---------- */
.fab-neon{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  color:#e6fbff;font-size:1.15rem;
  background:rgba(7,7,13,.78);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#22D3EE,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab-neon:hover{opacity:1;transform:scale(1.08);color:#fff;box-shadow:0 0 30px rgba(34,211,238,.75);}
.fab-neon:active{transform:scale(.94);}
.fab-neon .fab-dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotBlink 1.6s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.7);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ---------- Footer ---------- */
.site-footer{
  margin-top:10px;padding:60px 0 26px;
  background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.98));
  border-top:1px solid var(--line);
}
.footer-top{padding-bottom:34px;border-bottom:1px solid var(--line);}
.f-brand{display:flex;gap:12px;align-items:center;margin-bottom:16px;}
.f-brand .logo-mark{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  color:#a5f3fc;background:rgba(34,211,238,.12);border:1px solid var(--line-strong);font-size:1.1rem;
}
.f-brand strong{display:block;font-size:1rem;color:#fff;}
.f-brand small{font-size:.74rem;color:var(--muted);}
.f-desc{font-size:.88rem;color:var(--muted);}
.f-badges{display:flex;flex-wrap:wrap;gap:9px;}
.f-badges span{
  display:inline-flex;align-items:center;gap:6px;font-size:.75rem;color:#cfe6ff;
  padding:6px 11px;border-radius:999px;background:rgba(56,189,248,.08);border:1px solid var(--line);
}
.f-badges span.age{color:#ffe9b3;border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.08);}
.site-footer h4{font-size:.92rem;letter-spacing:.03em;margin-bottom:14px;color:#fff;}
.f-links{display:grid;gap:9px;}
.f-links a{font-size:.88rem;color:#b9cde6;}
.f-links a:hover{color:#fff;}
.f-pay{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.f-pay span{
  font-size:.75rem;font-weight:600;color:#d5e7fb;padding:6px 11px;border-radius:8px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.f-note{font-size:.82rem;color:var(--muted);margin:0;}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:flex-start;
}
.footer-bottom p{font-size:.8rem;color:#8ba3c2;margin:0;}
.footer-bottom .f-resp{max-width:660px;}
/* ---------- Responsive ---------- */
@media (max-width:1023.98px){
  :root{--sp-section:62px;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split-media img{aspect-ratio:16/9;}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:1fr;}
  .main-nav{gap:2px;}
  .nav-link{padding:8px 12px;font-size:.83rem;}
}
@media (max-width:991.98px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 18px;
    background:rgba(4,10,26,.97);
    border-bottom:1px solid var(--line);
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible;}
  .nav-link{border-radius:12px;padding:11px 14px;font-size:.92rem;}
}
@media (max-width:767.98px){
  :root{--sp-section:52px;}
  .section-head{margin-bottom:26px;}
  .tier-grid,.audience-grid,.metric-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:12px;}
  .step-no{width:46px;height:46px;border-radius:14px;font-size:.95rem;}
  .log-item{flex-direction:column;gap:6px;}
  .log-item .log-time{flex:none;}
  .gold-strip{padding:20px;}
  .cta-panel{padding:24px 20px;}
  .hero{padding:44px 0 52px;}
  .hero-stats{gap:18px;}
}
@media (max-width:575.98px){
  body{padding-top:64px;}
  .header-inner{gap:10px;min-height:64px;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:.86rem;}
  .brand-mark{width:36px;height:36px;font-size:.78rem;border-radius:10px;}
  .header-actions .cta-sm{padding:8px 12px;font-size:.78rem;}
  .main-nav{top:64px;}
  .hero-title{font-size:1.5rem;}
  .hero-lead{font-size:.94rem;}
  .cta{width:100%;}
  .hero-cta .cta,.cta-panel .cta{width:100%;}
  .fab-neon{width:52px;height:52px;bottom:5.2rem;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:rgba(12,24,48,.66);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --brand:#2563EB;
  --brand2:#38BDF8;
  --cyan:#22D3EE;
  --text:#F8FAFC;
  --muted:#9FB3CE;
  --gold:#FBBF24;
  --green:#22C55E;
  --rose:#F43F5E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 18px 46px rgba(2,8,26,.62);
  --glow:0 0 26px rgba(56,189,248,.32);
  --sp-section:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:74px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--text);
  line-height:1.62;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 620px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 64%),
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-attachment:fixed,fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand2);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#8ee9ff;}
section{position:relative;scroll-margin-top:96px;}
.container{max-width:1200px;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{color:#c3d5ec;}

/* ---------- Buttons ---------- */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.cta i{font-size:.9em;}
.cta-primary{
  background:linear-gradient(135deg,#2563EB 0%,#22D3EE 100%);
  color:#02121f;
  box-shadow:0 0 0 1px rgba(56,189,248,.55),0 12px 32px rgba(34,211,238,.34);
}
.cta-primary:hover{transform:translateY(-2px);color:#02121f;box-shadow:0 0 0 1px rgba(56,189,248,.9),0 16px 42px rgba(34,211,238,.55);}
.cta-ghost{background:rgba(255,255,255,.03);border-color:rgba(56,189,248,.42);color:#dcebff;}
.cta-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.10);color:#fff;transform:translateY(-2px);}
.cta-sm{padding:9px 18px;font-size:.85rem;}
.cta:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,26,.80);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.88rem;font-weight:600;color:#c9dcf5;
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.14);border-color:rgba(56,189,248,.4);}
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:#dcebff;font-size:1.05rem;
}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:58px 0 94px;overflow:hidden;}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/b8c6e18b96308ad1.jpg');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(.9);
}
.cat-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.58) 0%,rgba(3,7,18,.92) 60%,var(--bg) 100%);
}
.cat-hero .container{position:relative;z-index:3;}
.hero-band{
  position:relative;
  padding:46px 46px 50px;
  border-radius:26px;
  transform:skewY(-3deg);
  background:linear-gradient(135deg,rgba(37,99,235,.34) 0%,rgba(34,211,238,.14) 52%,rgba(8,18,41,.74) 100%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),0 0 70px rgba(56,189,248,.16);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-band::before{
  content:'';position:absolute;inset:0;border-radius:26px;
  background:radial-gradient(620px 280px at 10% 0%,rgba(56,189,248,.22),transparent 72%);
  pointer-events:none;
}
.hero-band-inner{position:relative;transform:skewY(3deg);max-width:830px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:.74rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:#a5f3fc;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.36);
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(1.66rem,3.5vw,2.7rem);
  margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--cyan);}
.cat-hero .hero-lead{font-size:1.02rem;max-width:700px;margin-bottom:26px;color:#c8d9ee;}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-meta span{font-size:.82rem;color:#b9cde6;display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--cyan);}

/* ---------- Sections ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(11,24,54,.55),rgba(3,7,18,.10));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-block;font-size:.73rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-title{font-size:clamp(1.32rem,2.3vw,1.92rem);margin-bottom:14px;}
.section-sub{font-size:.96rem;margin-bottom:0;max-width:720px;}
.glass{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding:26px 24px;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  height:100%;
}
.glass:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}

/* ---------- Pain list ---------- */
.pain-list{display:grid;gap:14px;}
.pain-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-md);
  background:rgba(9,20,42,.62);
  border:1px solid var(--line);
  border-left:3px solid rgba(56,189,248,.55);
  transition:border-color .24s ease,background .24s ease,transform .24s ease;
}
.pain-item:hover{border-color:var(--line-strong);border-left-color:var(--cyan);background:rgba(12,28,58,.78);transform:translateX(4px);}
.pain-item .p-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.34),rgba(34,211,238,.18));
  border:1px solid var(--line);color:var(--cyan);font-size:1rem;
}
.pain-item h3{font-size:1rem;margin-bottom:6px;}
.pain-item p{font-size:.88rem;margin:0;color:var(--muted);}

/* ---------- Channel cards ---------- */
.channel-card{padding:26px 22px;height:100%;}
.channel-card .c-ico{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:1.2rem;color:#031424;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 22px rgba(56,189,248,.4);
  margin-bottom:16px;
}
.channel-card h3{font-size:1.04rem;margin-bottom:8px;}
.channel-card p{font-size:.87rem;color:var(--muted);margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:.72rem;padding:5px 11px;border-radius:999px;
  background:rgba(34,211,238,.10);border:1px solid rgba(56,189,248,.32);color:#a5f3fc;
  font-weight:600;letter-spacing:.02em;
}
.tag.gold{background:rgba(251,191,36,.10);border-color:rgba(251,191,36,.4);color:#fcd34d;}
.tag.green{background:rgba(34,197,94,.10);border-color:rgba(34,197,94,.4);color:#86efac;}

/* ---------- Steps ---------- */
.step-list{display:grid;gap:18px;counter-reset:step;}
.step-item{
  display:flex;gap:18px;align-items:flex-start;
  padding-bottom:18px;border-bottom:1px dashed rgba(96,165,250,.22);
}
.step-item:last-child{border-bottom:0;padding-bottom:0;}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:1rem;color:#02121f;
  background:linear-gradient(135deg,#22D3EE,#2563EB);
  box-shadow:0 0 18px rgba(34,211,238,.35);
}
.step-item h3{font-size:1rem;margin-bottom:6px;}
.step-item p{font-size:.88rem;color:var(--muted);margin:0;}

/* ---------- Metrics ---------- */
.metric{
  padding:24px 20px;border-radius:var(--radius-md);
  background:rgba(9,20,42,.62);border:1px solid var(--line);
  text-align:left;height:100%;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.metric:hover{border-color:var(--line-strong);box-shadow:var(--glow);}
.metric strong{display:block;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:#fff;line-height:1.1;}
.metric span{display:block;font-size:.82rem;color:var(--muted);margin-top:8px;}

/* ---------- Support crew ---------- */
.crew-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.crew-figure img{width:100%;object-fit:cover;}
.crew-figure .fig-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:.8rem;color:#dbeaff;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:.9rem;color:#cbdcef;}
.check-list i{color:var(--cyan);margin-top:4px;font-size:.82rem;}

/* ---------- Testimonials ---------- */
.quote-card{padding:26px 24px;height:100%;position:relative;}
.quote-card .q-mark{font-size:1.4rem;color:rgba(56,189,248,.5);margin-bottom:12px;}
.quote-card p{font-size:.9rem;color:#cfdff2;margin-bottom:18px;}
.quote-who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.quote-who .avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:.82rem;color:#02121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.quote-who strong{display:block;font-size:.88rem;color:#fff;}
.quote-who small{font-size:.74rem;color:var(--muted);}

/* ---------- News list ---------- */
.news-card{
  height:100%;display:flex;flex-direction:column;
  border-radius:var(--radius-md);overflow:hidden;
  background:rgba(9,20,42,.62);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0b1a38,#123056);}
.news-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.news-body{padding:18px 18px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:.98rem;margin:0;line-height:1.42;}
.news-body h3 a{color:#fff;}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{font-size:.84rem;color:var(--muted);margin:0;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.72rem;color:#8fa9c6;}
.news-meta span{display:inline-flex;align-items:center;gap:6px;}
.empty-note{
  font-size:.9rem;color:var(--muted);padding:22px 24px;border-radius:var(--radius-md);
  border:1px dashed rgba(96,165,250,.3);background:rgba(9,20,42,.45);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:rgba(9,20,42,.6);
  border:1px solid var(--line) !important;
  border-radius:var(--radius-md) !important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:#e7f1ff;font-weight:700;font-size:.95rem;
  padding:18px 20px;box-shadow:none;gap:12px;
}
.accordion-button:not(.collapsed){background:rgba(34,211,238,.08);color:#fff;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:.78rem;color:var(--cyan);transition:transform .25s ease;
  width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{font-size:.9rem;color:#c3d5ec;padding:0 20px 20px;}

/* ---------- Final CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;
  border-radius:26px;padding:52px 32px;text-align:center;
  background:linear-gradient(135deg,rgba(37,99,235,.36),rgba(34,211,238,.16) 55%,rgba(8,18,41,.82));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),0 0 60px rgba(56,189,248,.16);
}
.final-cta::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(520px 240px at 50% 0%,rgba(56,189,248,.24),transparent 72%);
  pointer-events:none;
}
.final-cta h2{font-size:clamp(1.3rem,2.4vw,1.9rem);margin-bottom:14px;position:relative;}
.final-cta p{max-width:680px;margin:0 auto 26px;font-size:.95rem;position:relative;}
.final-cta .cta{position:relative;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;
  background:linear-gradient(180deg,rgba(6,14,34,.9),rgba(2,5,14,.99));
  border-top:1px solid var(--line);
  padding:58px 0 0;
}
.f-brand{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;}
.logo-mark{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#38BDF8,#2563EB);color:#02121f;font-size:1.1rem;
  box-shadow:0 0 18px rgba(56,189,248,.4);flex-shrink:0;
}
.f-brand strong{display:block;font-size:.95rem;color:#fff;line-height:1.3;}
.f-brand small{display:block;color:var(--muted);font-size:.74rem;margin-top:3px;}
.f-desc{font-size:.85rem;color:var(--muted);margin-bottom:16px;}
.f-badges{display:flex;flex-wrap:wrap;gap:8px;}
.f-badges span{
  font-size:.71rem;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:#cfe4ff;
}
.f-badges .age{border-color:rgba(244,63,94,.42);color:#fda4af;}
.site-footer h4{font-size:.9rem;font-weight:700;margin-bottom:16px;color:#fff;}
.f-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.f-links a{font-size:.85rem;color:var(--muted);}
.f-links a:hover{color:var(--cyan);}
.f-pay{display:flex;flex-wrap:wrap;gap:8px;}
.f-pay span{
  font-size:.71rem;padding:6px 10px;border-radius:9px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:#cfe4ff;
}
.f-note{font-size:.78rem;color:var(--muted);margin:14px 0 0;}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;font-size:.78rem;color:var(--muted);}
.f-resp{max-width:620px;text-align:right;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  :root{--sp-section:64px;}
}
@media (max-width:991.98px){
  :root{--sp-section:54px;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 16px 18px;
    background:rgba(4,10,26,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(2,6,20,.7);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:.92rem;}
  .nav-toggle{display:grid;place-items:center;}
  .hero-band{padding:36px 26px 40px;transform:skewY(-2.4deg);}
  .hero-band-inner{transform:skewY(2.4deg);}
  .f-resp{text-align:left;}
}
@media (max-width:767.98px){
  .cat-hero{padding:38px 0 74px;}
  .hero-band{padding:30px 20px 34px;border-radius:20px;transform:none;}
  .hero-band-inner{transform:none;}
  .hero-band::before{border-radius:20px;}
  .final-cta{padding:38px 20px;border-radius:20px;}
  .glass{padding:22px 18px;}
}
@media (max-width:575.98px){
  :root{--sp-section:46px;}
  body{padding-top:68px;}
  .header-inner{min-height:68px;gap:10px;}
  .brand-text{display:none;}
  .header-actions .cta-sm{padding:8px 13px;font-size:.76rem;}
  .nav-toggle{width:38px;height:38px;}
  .main-nav{top:68px;}
  .hero-meta{gap:8px 18px;}
  .cat-hero h1{font-size:1.5rem;}
}

/* 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}