/* roulang page: index */
:root{
  --bg:#030712;
  --bg2:#081229;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.4);
  --accent:#2563EB;
  --accent2:#38BDF8;
  --accent3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(3,7,18,.6);
  --glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.015em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:8px}
::selection{background:rgba(56,189,248,.35)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,.35) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-tight{padding:52px 0}
[id]{scroll-margin-top:96px}

.sec-head{max-width:780px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:700}
.sec-head h2{font-size:clamp(23px,3.2vw,35px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.7}
.sec-head h3{font-size:clamp(18px,2.2vw,22px);margin:22px 0 10px;color:#E2E8F0}
.lead{color:var(--muted);font-size:16px;line-height:1.7}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,7,18,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;min-width:0}
.logo-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:var(--glow);font-size:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-text span{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:#CBD5E1;transition:all .25s ease;border:1px solid transparent}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.18)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:rgba(56,189,248,.38);box-shadow:inset 0 0 18px rgba(56,189,248,.12)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#E2E8F0;cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);background:rgba(3,7,18,.97);padding:14px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-weight:600;color:#CBD5E1;border:1px solid transparent}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(37,99,235,.2);border-color:rgba(56,189,248,.3);color:#fff}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;text-align:center}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03111f;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.68)}
.btn-ghost{background:rgba(255,255,255,.045);border-color:rgba(56,189,248,.36);color:#E2E8F0}
.btn-ghost:hover{border-color:var(--accent2);background:rgba(56,189,248,.13);transform:translateY(-2px)}
.btn-login{background:transparent;border-color:transparent;color:#CBD5E1;padding:10px 14px}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.1)}
.btn-block{width:100%}
.btn:active{transform:scale(.975)}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* Hero */
.hero{position:relative;padding:130px 0 66px;background-image:linear-gradient(115deg,rgba(3,7,18,.94) 0%,rgba(8,18,41,.86) 48%,rgba(3,7,18,.72) 100%),url('/assets/images/bef10dcfc589a59f.jpg');background-size:cover;background-position:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 12% 8%,rgba(37,99,235,.28),transparent 62%),radial-gradient(700px 380px at 88% 90%,rgba(56,189,248,.18),transparent 65%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.34);color:#BAE6FD;font-size:12.5px;font-weight:700;padding:7px 15px;border-radius:999px;letter-spacing:.04em}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 12px #22C55E;animation:blink 1.8s infinite}
.hero h1{font-size:clamp(26px,4.3vw,50px);line-height:1.16;margin:20px 0 18px;max-width:900px;background:linear-gradient(120deg,#FFFFFF 0%,#BAE6FD 55%,#60A5FA 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:760px;color:#CBD5E1;font-size:16.5px;line-height:1.72}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:7px 13px;border-radius:999px}
.tag i{color:var(--accent2);font-size:12px}

.group-bar{margin-top:38px;display:grid;grid-template-columns:1.55fr .95fr;gap:18px;align-items:stretch}
.group-main{padding:24px 26px}
.group-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.group-head h2{font-size:18px}
.group-head .live{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#86EFAC;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.32);padding:5px 12px;border-radius:999px}
.progress{height:12px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;border:1px solid rgba(56,189,248,.16)}
.progress > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.6);animation:grow 2.2s ease-out}
.group-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:13px;font-size:13px;color:var(--muted)}
.group-meta strong{color:#E2E8F0;font-weight:700}
.group-cta{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:24px 24px}
.group-cta p{font-size:13.5px;color:var(--muted)}
.group-cta .btn{width:100%}

@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes grow{from{width:0}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(239,68,68,.6)}70%{box-shadow:0 0 0 10px rgba(239,68,68,0)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}}

/* Stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:22px 20px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--border);transition:.3s}
.stat:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.stat b{display:block;font-size:clamp(22px,3vw,30px);font-weight:900;background:linear-gradient(120deg,#FFFFFF,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}

/* Cards / grids */
.glass{background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.022));border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{padding:26px;transition:all .3s ease;position:relative;overflow:hidden}
.card:hover{border-color:var(--border-strong);transform:translateY(-5px);box-shadow:0 22px 46px rgba(3,7,18,.6)}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.68}
.card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;color:#BAE6FD;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);margin-bottom:16px}
.card-num{font-size:12px;font-weight:800;letter-spacing:.18em;color:#60A5FA;text-transform:uppercase;margin-bottom:10px;display:block}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:rgba(37,99,235,.2);border:1px solid rgba(56,189,248,.32);color:#BAE6FD}
.chip-hot{background:rgba(239,68,68,.16);border-color:rgba(239,68,68,.4);color:#FCA5A5}
.chip-ok{background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.36);color:#86EFAC}

/* Content / article blocks */
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.split.reverse{grid-template-columns:.92fr 1.08fr}
.prose p{color:var(--muted);font-size:15.5px;line-height:1.72;margin-bottom:15px}
.prose h3{font-size:18.5px;margin:26px 0 10px;color:#E2E8F0;padding-left:14px;border-left:3px solid var(--accent2)}
.figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);position:relative}
.figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:12.5px;color:#CBD5E1;background:linear-gradient(0deg,rgba(3,7,18,.92),transparent)}
.checklist li{display:flex;gap:11px;align-items:flex-start;color:var(--muted);font-size:14.5px;line-height:1.65;padding:9px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.checklist li:last-child{border-bottom:0}
.checklist i{color:var(--accent2);margin-top:4px;font-size:13px}

/* Entry matrix */
.entry-card{display:block;padding:0;overflow:hidden}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9;transition:.4s}
.entry-card:hover img{transform:scale(1.05);opacity:1}
.entry-body{padding:22px 24px 26px}
.entry-body h3{font-size:17px;margin-bottom:9px}
.entry-body p{color:var(--muted);font-size:14px;line-height:1.65}
.entry-more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;font-weight:700;color:#7DD3FC}
.entry-card:hover .entry-more i{transform:translateX(4px)}
.entry-more i{transition:.3s}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{padding:26px 22px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:16px;right:20px;font-size:30px;font-weight:900;color:rgba(56,189,248,.14);letter-spacing:-.04em}
.step h3{font-size:16px;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted);line-height:1.65}

/* Post cards */
.post-card{display:flex;flex-direction:column;overflow:hidden;transition:.3s}
.post-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 22px 46px rgba(3,7,18,.6)}
.post-thumb{position:relative;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.5s}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-thumb .chip{position:absolute;top:12px;left:12px;backdrop-filter:blur(8px)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{color:var(--muted);font-size:13.8px;line-height:1.62;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--dim);margin-top:auto;padding-top:12px;border-top:1px solid rgba(148,163,184,.14)}
.post-meta i{color:var(--accent2);font-size:12px}
.empty-note{padding:34px;text-align:center;color:var(--muted);border:1px dashed rgba(56,189,248,.3);border-radius:var(--radius);font-size:14.5px}

/* News list + sidebar */
.news-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:28px;align-items:start}
.news-row{display:flex;gap:18px;padding:18px;border-radius:var(--radius);border:1px solid transparent;transition:.3s}
.news-row:hover{background:rgba(56,189,248,.06);border-color:var(--border)}
.news-row img{width:132px;height:92px;flex:0 0 132px;object-fit:cover;border-radius:14px;border:1px solid var(--border)}
.news-row h3{font-size:16px;margin-bottom:7px;line-height:1.45}
.news-row p{font-size:13.6px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .post-meta{border-top:0;padding-top:8px;margin-top:6px}
.side-box{padding:24px;margin-bottom:20px}
.side-box h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-box h3 i{color:var(--accent2);font-size:14px}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.side-item:last-child{border-bottom:0}
.side-item strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:#E2E8F0;transition:.25s}
.side-item:hover strong{color:#7DD3FC}
.side-item span{font-size:12px;color:var(--dim)}
.side-cta{background:linear-gradient(160deg,rgba(37,99,235,.28),rgba(56,189,248,.08));border-color:rgba(56,189,248,.34)}
.more-link{display:inline-flex;align-items:center;gap:9px;margin-top:22px;font-weight:700;font-size:14px;color:#7DD3FC;padding:11px 20px;border-radius:999px;border:1px solid rgba(56,189,248,.34);transition:.28s}
.more-link:hover{background:rgba(56,189,248,.12);transform:translateY(-2px)}

/* Metrics */
.metric{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border)}
.metric-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:14px;font-weight:600;margin-bottom:12px}
.metric-head b{color:#7DD3FC;font-weight:800}
.bar{height:9px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.bar > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 14px rgba(56,189,248,.5)}
.bar.warm > i{background:linear-gradient(90deg,#B45309,#F59E0B);box-shadow:0 0 14px rgba(245,158,11,.45)}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{padding:26px}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:16px}
.compare-col.bad{border-color:rgba(239,68,68,.24)}
.compare-col.good{border-color:rgba(56,189,248,.42);background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(255,255,255,.02))}
.compare-col li{display:flex;gap:10px;font-size:14.3px;color:var(--muted);line-height:1.65;padding:9px 0;border-bottom:1px dashed rgba(148,163,184,.14)}
.compare-col li:last-child{border-bottom:0}
.compare-col.good li i{color:#86EFAC}
.compare-col.bad li i{color:#FCA5A5}

/* Pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{padding:28px 26px;display:flex;flex-direction:column;gap:14px}
.price-card.featured{border-color:rgba(56,189,248,.5);background:linear-gradient(165deg,rgba(37,99,235,.26),rgba(255,255,255,.02));box-shadow:0 0 40px rgba(37,99,235,.25)}
.price-card h3{font-size:16.5px}
.price{font-size:30px;font-weight:900;background:linear-gradient(120deg,#FFFFFF,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.price small{font-size:13px;font-weight:600;color:var(--muted);-webkit-text-fill-color:var(--muted)}
.price-card ul{display:flex;flex-direction:column;gap:9px;margin:6px 0 4px}
.price-card li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.55}
.price-card li i{color:#86EFAC;margin-top:4px;font-size:12px}
.price-card li.off i{color:#FCA5A5}

/* Timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#2563EB,#38BDF8,rgba(56,189,248,0))}
.tl-item{position:relative;padding:0 0 26px}
.tl-item::before{content:"";position:absolute;left:-31px;top:6px;width:14px;height:14px;border-radius:50%;background:#030712;border:2px solid var(--accent2);box-shadow:0 0 14px rgba(56,189,248,.7)}
.tl-item h3{font-size:16px;margin-bottom:7px}
.tl-item p{font-size:14.3px;color:var(--muted);line-height:1.65}

/* Trust */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{padding:24px 22px;text-align:left}
.trust-item i{font-size:20px;color:#7DD3FC;margin-bottom:14px;display:block}
.trust-item h3{font-size:15.5px;margin-bottom:8px}
.trust-item p{font-size:13.8px;color:var(--muted);line-height:1.6}

/* Testimonials */
.quote{padding:26px;display:flex;flex-direction:column;gap:16px}
.quote p{font-size:14.8px;color:#E2E8F0;line-height:1.72}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid rgba(148,163,184,.16)}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;color:#03111f;background:linear-gradient(135deg,#38BDF8,#60A5FA)}
.who strong{display:block;font-size:14px}
.who span{font-size:12px;color:var(--dim)}
.stars{color:#FACC15;font-size:13px;letter-spacing:2px}

/* Quick answers */
.quick{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.quick-item{padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:.3s}
.quick-item:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.quick-item b{display:block;font-size:14.5px;margin-bottom:7px}
.quick-item p{font-size:13.4px;color:var(--muted);line-height:1.6}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);overflow:hidden;transition:.3s}
.faq details[open]{border-color:var(--border-strong);background:rgba(56,189,248,.06)}
.faq summary{cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;font-size:15.3px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent2);font-size:13px;transition:.3s}
.faq details[open] summary::after{content:"\f068"}
.faq .answer{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.7}

/* Contact / form */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.form-card{padding:30px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#CBD5E1;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:14px;background:rgba(3,7,18,.6);border:1px solid rgba(56,189,248,.2);font-size:14.5px;transition:.25s}
.field input::placeholder,.field textarea::placeholder{color:#64748B}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent2);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-note{font-size:12.5px;color:var(--dim);margin-top:14px;line-height:1.6}
.contact-list li{display:flex;gap:13px;align-items:flex-start;padding:15px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.contact-list li:last-child{border-bottom:0}
.contact-list i{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);color:#7DD3FC}
.contact-list b{display:block;font-size:14.5px;margin-bottom:3px}
.contact-list span{font-size:13.5px;color:var(--muted);line-height:1.6}

/* Footer */
.site-footer{background:linear-gradient(180deg,rgba(8,18,41,.92),#020509);border-top:1px solid rgba(56,189,248,.14);padding:60px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin-top:14px;max-width:360px}
.foot-col h4{font-size:14px;margin-bottom:15px;letter-spacing:.04em}
.foot-col a,.foot-col span{display:block;color:var(--muted);font-size:13.8px;padding:6px 0;transition:.25s}
.foot-col a:hover{color:#7DD3FC;transform:translateX(3px)}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.pay-badge{font-size:12px;font-weight:700;padding:7px 13px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#CBD5E1}
.foot-bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:#FCA5A5;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.32);padding:6px 13px;border-radius:999px}
.foot-legal{font-size:12.5px;color:var(--dim);line-height:1.7;margin-top:18px;max-width:900px}

/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:999px;display:grid;place-items:center;color:#7DD3FC;font-size:21px;background:linear-gradient(rgba(5,10,22,.88),rgba(5,10,22,.88)) padding-box,linear-gradient(135deg,#2563EB,#38BDF8) border-box;border:2px solid transparent;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 0 22px rgba(6,182,212,.45);transition:all .3s ease;animation:floaty 3.4s ease-in-out infinite}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab:active{transform:scale(.94)}
.fab-dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:var(--danger);border:2px solid #030712;animation:pulseDot 1.8s infinite}

/* Responsive */
@media (max-width:1100px){
  .nav-links a{padding:8px 11px;font-size:13.2px}
  .logo-text strong{max-width:220px}
  .grid-4,.trust,.quick{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding:118px 0 54px}
  .group-bar{grid-template-columns:1fr}
  .split,.split.reverse,.news-layout,.contact-wrap,.compare{grid-template-columns:1fr}
  .grid-3,.price-grid{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .section{padding:60px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .grid-2,.grid-3,.price-grid,.grid-4{grid-template-columns:1fr}
  .hero h1{font-size:clamp(24px,7vw,34px)}
  .news-row{flex-direction:column}
  .news-row img{width:100%;height:170px;flex:none}
  .sec-head{margin-bottom:28px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .nav{height:66px}
  .logo-text span{display:none}
  .logo-text strong{font-size:12.5px;max-width:150px}
  .btn{padding:12px 18px;font-size:13.6px}
  .btn-login{padding:9px 10px}
  .nav-actions{gap:5px}
  .stat-strip,.trust,.quick,.steps{grid-template-columns:1fr}
  .card,.price-card,.form-card{padding:22px}
  .section{padding:52px 0}
  .fab{left:12px;bottom:88px;width:54px;height:54px;font-size:19px}
  .foot-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg2:#081229;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.4);
  --accent:#2563EB;
  --accent2:#38BDF8;
  --accent3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(3,7,18,.6);
  --glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  background-image:radial-gradient(1100px 520px at 78% -6%,rgba(37,99,235,.22),transparent 62%),radial-gradient(900px 480px at 6% 22%,rgba(56,189,248,.12),transparent 60%);
  background-attachment:fixed;
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.92) 0%,rgba(3,7,18,.35) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-tight{padding:50px 0}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:700}
.sec-title{font-size:clamp(21px,2.7vw,32px);line-height:1.28;margin:0 0 14px;font-weight:800;color:#fff;max-width:820px}
.sec-sub{color:var(--muted);max-width:760px;margin:0 0 30px;font-size:15.5px}
.lead{color:var(--muted);font-size:16px;line-height:1.7}
.divider{height:1px;background:linear-gradient(90deg,rgba(56,189,248,.42),rgba(56,189,248,0));margin:34px 0;border:0}
/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,7,18,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;min-width:0}
.logo-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:var(--glow);font-size:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-text span{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:#CBD5E1;transition:all .25s ease;border:1px solid transparent}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.18)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:rgba(56,189,248,.38);box-shadow:inset 0 0 18px rgba(56,189,248,.12)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#E2E8F0;cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);background:rgba(3,7,18,.97);padding:14px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-weight:600;color:#CBD5E1;border:1px solid transparent}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(37,99,235,.2);border-color:rgba(56,189,248,.3);color:#fff}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;text-align:center}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03111f;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.68)}
.btn-ghost{background:rgba(255,255,255,.045);border-color:rgba(56,189,248,.36);color:#E2E8F0}
.btn-ghost:hover{border-color:var(--accent2);background:rgba(56,189,248,.13);transform:translateY(-2px)}
.btn-login{background:transparent;border-color:transparent;color:#CBD5E1;padding:10px 14px}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.1)}
.btn-block{width:100%}
.btn:active{transform:scale(.975)}
.btn-sm{padding:10px 18px;font-size:13.5px}
/* Article hero */
.art-hero{position:relative;padding:126px 0 56px;background-image:linear-gradient(112deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.88) 46%,rgba(3,7,18,.7) 100%),url('/assets/images/bef10dcfc589a59f.jpg');background-size:cover;background-position:center;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14)}
.art-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(820px 400px at 10% 6%,rgba(37,99,235,.3),transparent 62%),radial-gradient(680px 360px at 92% 88%,rgba(56,189,248,.16),transparent 66%);pointer-events:none}
.art-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12.5px;color:var(--dim);margin-bottom:16px}
.crumb a{color:#93C5FD}
.crumb a:hover{color:#fff}
.art-hero h1{font-size:clamp(25px,4vw,46px);line-height:1.18;margin:0 0 18px;max-width:940px;font-weight:900;background:linear-gradient(120deg,#FFFFFF 0%,#BAE6FD 58%,#60A5FA 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.art-hero .lead{max-width:820px;color:#CBD5E1;font-size:16.5px}
.author-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;padding:16px 18px;border-radius:var(--radius-lg);background:rgba(8,18,41,.6);border:1px solid var(--border);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.author-avatar{width:58px;height:58px;flex:0 0 58px;border-radius:50%;object-fit:cover;border:2px solid rgba(56,189,248,.55);box-shadow:var(--glow)}
.author-meta{min-width:0;flex:1 1 240px}
.author-meta strong{display:block;font-size:15.5px;font-weight:800;color:#fff}
.author-meta span{font-size:12.5px;color:var(--muted)}
.author-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.mini-badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:#BAE6FD;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);padding:5px 11px;border-radius:999px}
.mini-badge.ok{color:#BBF7D0;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.32)}
.mini-badge.warn{color:#FDE68A;background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.32)}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:7px 13px;border-radius:999px}
.tag i{color:var(--accent2);font-size:12px}
/* Stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:30px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 18px 16px;transition:all .28s ease}
.stat-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 0 26px rgba(56,189,248,.18)}
.stat-card b{display:block;font-size:clamp(21px,2.6vw,28px);font-weight:900;color:#fff;line-height:1.15}
.stat-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
/* Key points */
.kp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.kp-item{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .25s ease,transform .25s ease}
.kp-item:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.kp-item i{color:var(--accent2);font-size:18px;margin-top:3px}
.kp-item strong{display:block;font-size:15px;color:#fff;margin-bottom:5px;font-weight:800}
.kp-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.62}
/* Article body */
.art-shell{max-width:900px}
.art-figure{margin:0 0 30px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.art-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.art-figure figcaption{padding:12px 16px;font-size:12.5px;color:var(--dim);background:rgba(8,18,41,.8)}
.art-body{font-size:16.5px;color:#CBD5E1;line-height:1.75}
.art-body h2{font-size:clamp(20px,2.5vw,28px);color:#fff;margin:34px 0 14px;line-height:1.3;font-weight:800}
.art-body h3{font-size:clamp(17.5px,2vw,22px);color:#E2E8F0;margin:26px 0 12px;font-weight:700}
.art-body h4{font-size:16.5px;color:#E2E8F0;margin:22px 0 10px;font-weight:700}
.art-body p{margin:0 0 16px}
.art-body ul,.art-body ol{margin:0 0 18px;padding-left:22px}
.art-body li{margin-bottom:9px}
.art-body a{color:var(--accent2);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:#fff}
.art-body img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--border)}
.art-body blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent2);background:rgba(56,189,248,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#E2E8F0}
.art-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.art-body th,.art-body td{border:1px solid rgba(56,189,248,.18);padding:11px 13px;text-align:left}
.art-body th{background:rgba(37,99,235,.2);color:#fff;font-weight:700}
.art-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:14px}
.art-empty{padding:34px 26px;border:1px dashed rgba(56,189,248,.34);border-radius:var(--radius-lg);background:var(--surface);text-align:left}
.art-empty h2{margin:0 0 10px;font-size:22px;color:#fff}
.art-empty p{color:var(--muted);margin:0 0 18px}
/* Panels & grids */
.panel{background:rgba(8,18,41,.62);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.plan{display:flex;flex-direction:column;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:all .28s ease}
.plan:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 0 30px rgba(56,189,248,.18)}
.plan.hot{border-color:rgba(56,189,248,.46);background:linear-gradient(180deg,rgba(37,99,235,.18),rgba(255,255,255,.03))}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.plan-head h3{margin:0;font-size:17px;font-weight:800;color:#fff}
.plan-price{font-size:26px;font-weight:900;color:#fff}
.plan-price small{font-size:12.5px;color:var(--muted);font-weight:600;margin-left:5px}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.plan li{display:flex;gap:10px;font-size:14px;color:#CBD5E1;line-height:1.6}
.plan li i{color:var(--ok);margin-top:3px;font-size:13px}
/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:rgba(8,18,41,.5)}
table.cmp{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
table.cmp th,table.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12)}
table.cmp thead th{background:rgba(37,99,235,.2);color:#fff;font-weight:800;font-size:13px;letter-spacing:.03em;text-transform:uppercase}
table.cmp tbody tr:hover{background:rgba(56,189,248,.06)}
table.cmp td strong{color:#fff}
.yes{color:var(--ok);font-weight:700}
.no{color:var(--dim)}
/* Timeline */
.timeline{display:grid;gap:0;border-left:2px solid rgba(56,189,248,.28);padding-left:24px;margin-top:6px}
.tl-item{position:relative;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 14px rgba(56,189,248,.7)}
.tl-item h3{margin:0 0 6px;font-size:16.5px;font-weight:800;color:#fff}
.tl-item p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.65}
/* Channel matrix */
.chan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.chan-card{display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(255,255,255,.03));border:1px solid var(--border);transition:all .28s ease}
.chan-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(56,189,248,.2)}
.chan-card i{font-size:20px;color:var(--accent2)}
.chan-card h3{margin:0;font-size:17px;font-weight:800;color:#fff}
.chan-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.65;flex:1}
.chan-link{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:#7DD3FC}
.chan-link:hover{color:#fff;gap:12px}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:border-color .25s ease}
.faq-item[open]{border-color:var(--border-strong);background:rgba(37,99,235,.1)}
.faq-item summary{cursor:pointer;list-style:none;padding:17px 20px;font-weight:700;font-size:15.5px;color:#fff;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;color:var(--accent2);font-size:13px;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.7}
/* CTA */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(56,189,248,.3);background-image:linear-gradient(110deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),url('/assets/images/b380d312c08f3796.jpg');background-size:cover;background-position:center;padding:36px;box-shadow:var(--shadow)}
.cta-band h2{margin:0 0 12px;font-size:clamp(21px,2.7vw,30px);color:#fff;font-weight:900;max-width:620px}
.cta-band p{color:#CBD5E1;max-width:600px;margin:0 0 22px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pay-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#E2E8F0;background:rgba(255,255,255,.06);border:1px solid rgba(56,189,248,.22);padding:6px 12px;border-radius:999px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:6px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;font-weight:700;color:#CBD5E1;letter-spacing:.02em}
.field input,.field select{background:rgba(3,7,18,.7);border:1px solid rgba(56,189,248,.24);border-radius:var(--radius-sm);padding:12px 14px;font-size:14.5px;color:#fff;transition:border-color .25s ease,box-shadow .25s ease}
.field input::placeholder{color:#64748B}
.field input:focus,.field select:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:12.5px;color:var(--dim);margin-top:12px}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid transparent;background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#A3E635,#06B6D4);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 0 22px rgba(6,182,212,.45);color:#E2E8F0;font-size:13.5px;font-weight:700;transition:all .28s ease;min-height:52px}
.fab i{color:#A3E635;font-size:16px;transition:transform .3s ease}
.fab:hover{opacity:1;box-shadow:0 0 34px rgba(6,182,212,.7);transform:translateY(-2px)}
.fab:hover i{animation:flick .45s linear infinite}
.fab:active{transform:scale(.96) translateY(1px)}
.fab .fab-dot{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:#EF4444;box-shadow:0 0 0 3px rgba(3,7,18,.9);animation:blink 1.6s infinite}
@keyframes flick{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
/* Footer */
.site-footer{background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,1));border-top:1px solid rgba(56,189,248,.14);padding:56px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.7;max-width:380px;margin:0 0 16px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px}
.foot-col h4{margin:0 0 14px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#7DD3FC;font-weight:800}
.foot-col a,.foot-col span{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s ease}
.foot-col a:hover{color:#fff}
.foot-legal{margin:34px 0 0;font-size:12.5px;color:var(--dim);line-height:1.7;border-top:1px solid rgba(56,189,248,.12);padding-top:20px}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;font-size:12.5px;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#FDE68A;background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.3);padding:6px 12px;border-radius:999px}
/* Responsive */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.chan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .art-hero{padding:112px 0 44px}
  .logo-text strong{max-width:170px;font-size:12.5px}
  .logo-text span{font-size:9.5px}
  .btn-login{display:none}
  .kp-grid,.grid-2,.grid-3,.chan-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px}
  .fab span.fab-text{display:none}
  .fab{padding:14px;bottom:88px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stat-strip{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .art-hero h1{font-size:24px}
  .author-row{padding:14px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .nav-actions .btn-primary{width:auto}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg2:#081229;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.4);
  --accent:#2563EB;
  --accent2:#38BDF8;
  --accent3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(3,7,18,.6);
  --glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(56,189,248,.35);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent2);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,.35) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-tight{padding:52px 0}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:700}
.sec-title{font-size:clamp(22px,2.7vw,34px);margin-bottom:12px;letter-spacing:-.01em}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{color:var(--muted);font-size:16px;line-height:1.7}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,7,18,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;min-width:0}
.logo-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:var(--glow);font-size:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-text span{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:#CBD5E1;transition:all .25s ease;border:1px solid transparent}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.18)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:rgba(56,189,248,.38);box-shadow:inset 0 0 18px rgba(56,189,248,.12)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#E2E8F0;cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);background:rgba(3,7,18,.97);padding:14px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-weight:600;color:#CBD5E1;border:1px solid transparent}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(37,99,235,.2);border-color:rgba(56,189,248,.3);color:#fff}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;text-align:center}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03111f;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.68)}
.btn-ghost{background:rgba(255,255,255,.045);border-color:rgba(56,189,248,.36);color:#E2E8F0}
.btn-ghost:hover{border-color:var(--accent2);background:rgba(56,189,248,.13);transform:translateY(-2px)}
.btn-login{background:transparent;border-color:transparent;color:#CBD5E1;padding:10px 14px}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.1)}
.btn-block{width:100%}
.btn:active{transform:scale(.975)}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ===== Hero ===== */
.hero{position:relative;padding:132px 0 70px;background-image:linear-gradient(115deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.74) 100%),url('/assets/images/b380d312c08f3796.jpg');background-size:cover;background-position:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 15% 5%,rgba(37,99,235,.3),transparent 62%),radial-gradient(720px 380px at 85% 92%,rgba(56,189,248,.2),transparent 66%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-center{max-width:900px;margin:0 auto;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.34);color:#BAE6FD;font-size:12.5px;font-weight:700;padding:7px 15px;border-radius:999px;letter-spacing:.04em}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 12px #22C55E;animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(25px,3.7vw,45px);line-height:1.18;margin:20px 0 18px;background:linear-gradient(120deg,#FFFFFF 0%,#BAE6FD 55%,#60A5FA 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:760px;margin:0 auto;color:#CBD5E1;font-size:16.5px;line-height:1.72}
.hero-search{display:flex;align-items:center;gap:10px;max-width:660px;margin:28px auto 0;background:rgba(255,255,255,.055);border:1px solid rgba(56,189,248,.3);border-radius:999px;padding:8px 8px 8px 20px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 14px 40px rgba(3,7,18,.55);transition:border-color .25s ease,box-shadow .25s ease}
.hero-search:focus-within{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(56,189,248,.16),0 14px 40px rgba(3,7,18,.55)}
.hero-search > i{color:var(--accent2);font-size:15px}
.hero-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14.5px;color:#E2E8F0}
.hero-search input::placeholder{color:#64748B}
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-top:22px}
.chip-label{font-size:12.5px;color:var(--dim);font-weight:600;padding:7px 4px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:7px 14px;border-radius:999px;transition:all .25s ease}
.chip:hover{color:#fff;border-color:var(--accent2);background:rgba(56,189,248,.14);transform:translateY(-2px)}
.chip i{color:var(--accent2);font-size:11px}
.hero-note{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin-top:26px;font-size:12.5px;color:var(--muted)}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{color:var(--ok)}

/* ===== Metrics ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.metric:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 26px rgba(56,189,248,.18)}
.metric strong{display:block;font-size:clamp(26px,3vw,36px);font-weight:900;line-height:1.1;background:linear-gradient(120deg,#FFFFFF,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.metric h3{font-size:14px;font-weight:700;margin-bottom:6px}
.metric p{font-size:13px;color:var(--muted);line-height:1.6}

/* ===== Matrix ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .28s ease,border-color .28s ease,background .28s ease}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:var(--surface-2)}
.matrix-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.85),rgba(56,189,248,.75));color:#04121f;font-size:18px;margin-bottom:16px;box-shadow:0 0 20px rgba(56,189,248,.3)}
.matrix-card h3{font-size:16.5px;margin-bottom:9px}
.matrix-card p{font-size:14px;color:var(--muted);line-height:1.68}
.matrix-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.matrix-card li{font-size:13.5px;color:#CBD5E1;display:flex;gap:9px;align-items:flex-start}
.matrix-card li i{color:var(--accent2);font-size:12px;margin-top:5px}

/* ===== Compare ===== */
.compare{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:start}
.compare-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.compare-panel.win{border-color:rgba(56,189,248,.42);box-shadow:0 0 30px rgba(37,99,235,.22)}
.compare-panel h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-panel h3 i{color:var(--accent2)}
.compare-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16);font-size:13.8px}
.compare-row:last-child{border-bottom:0}
.compare-row span:first-child{color:var(--muted)}
.compare-row span:last-child{font-weight:700;color:#E2E8F0;text-align:right}
.compare-row span.bad{color:#FCA5A5;font-weight:700}
.compare-row span.good{color:#7DD3FC;font-weight:700}
.compare-media{margin-top:20px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.compare-media img{width:100%;height:230px;object-fit:cover}
.compare-media figcaption{font-size:12.5px;color:var(--dim);padding:12px 16px;background:rgba(255,255,255,.03)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:26px;display:flex;flex-direction:column;gap:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(56,189,248,.7),rgba(37,99,235,.15))}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:#030712;border:2px solid var(--accent2);box-shadow:0 0 14px rgba(56,189,248,.6)}
.tl-year{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:#7DD3FC;text-transform:uppercase}
.tl-item h3{font-size:16.5px;margin:6px 0 7px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.68}

/* ===== News ===== */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;transition:transform .28s ease,border-color .28s ease}
.news-item:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;font-size:12px}
.news-cat{color:#7DD3FC;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.26);padding:4px 11px;border-radius:999px;font-weight:700}
.news-date{color:var(--dim);font-weight:600}
.news-item h3{font-size:16px;line-height:1.45;margin-bottom:10px}
.news-item h3 a:hover{color:#7DD3FC}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.65;flex:1}
.news-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:#7DD3FC}
.news-link:hover{color:#fff;gap:12px}
.news-more{display:flex;justify-content:center;margin-top:30px}
.empty-state{text-align:center;color:var(--muted);font-size:14px;padding:34px 20px;border:1px dashed rgba(56,189,248,.24);border-radius:var(--radius);background:rgba(255,255,255,.02)}

/* ===== Assurance ===== */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.assure{display:flex;gap:16px;align-items:flex-start;padding:22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);transition:border-color .28s ease,transform .28s ease}
.assure:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.assure i{font-size:18px;color:var(--accent2);width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;border-radius:13px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.22)}
.assure h3{font-size:15.5px;margin-bottom:7px}
.assure p{font-size:13.8px;color:var(--muted);line-height:1.66}

/* ===== Quick answers ===== */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.quick-card{border-left:2px solid var(--accent2);background:linear-gradient(90deg,rgba(56,189,248,.07),rgba(255,255,255,.02));border-radius:0 var(--radius) var(--radius) 0;padding:22px 24px}
.quick-card h3{font-size:16px;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.quick-card h3 i{color:var(--accent2);font-size:14px;margin-top:5px}
.quick-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .25s ease}
.faq-item[open]{border-color:var(--border-strong);background:var(--surface-2)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--accent2);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.72}

/* ===== CTA form ===== */
.cta-box{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:linear-gradient(135deg,rgba(37,99,235,.18),rgba(8,18,41,.6));border:1px solid rgba(56,189,248,.28);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow)}
.cta-copy h2{font-size:clamp(21px,2.4vw,30px);margin-bottom:14px}
.cta-copy p{font-size:15px;color:#CBD5E1;line-height:1.72}
.cta-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#CBD5E1}
.cta-list i{color:var(--ok);font-size:13px;margin-top:5px}
.cta-form{display:flex;flex-direction:column;gap:14px;background:rgba(3,7,18,.5);border:1px solid rgba(56,189,248,.2);border-radius:var(--radius);padding:24px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;font-weight:700;color:#CBD5E1;letter-spacing:.03em}
.field input,.field select{background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);border-radius:12px;padding:12px 14px;font-size:14px;outline:none;transition:border-color .25s ease,box-shadow .25s ease}
.field input:focus,.field select:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.field select option{background:#081229;color:#F8FAFC}
.form-note{font-size:12.5px;color:var(--dim);line-height:1.6}
.form-ok{display:none;font-size:13.5px;color:#86EFAC;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);border-radius:12px;padding:11px 14px}
.form-ok.show{display:block}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:999px;display:grid;place-items:center;background:rgba(7,7,13,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:2px solid transparent;background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#38BDF8,#2563EB);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 0 20px rgba(6,182,212,.45);color:#7DD3FC;font-size:19px;opacity:.8;transition:all .3s ease;animation:fabPulse 2.6s ease-in-out infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}50%{box-shadow:0 0 30px rgba(6,182,212,.65)}}
.fab:hover{opacity:1;transform:scale(1.09);color:#fff;box-shadow:0 0 38px rgba(6,182,212,.8)}
.fab:active{transform:scale(.94)}
.fab-dot{position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;background:#EF4444;box-shadow:0 0 10px #EF4444;animation:blink 1.4s infinite}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.4),#020509);border-top:1px solid rgba(56,189,248,.14);padding:60px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{font-size:13.5px;color:var(--muted);line-height:1.72;max-width:380px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-badge{font-size:11.5px;font-weight:700;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:5px 11px;border-radius:8px}
.foot-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#7DD3FC;margin-bottom:14px}
.foot-col a,.foot-col span{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:color .2s ease}
.foot-col a:hover{color:#fff}
.foot-legal{margin-top:34px;font-size:12.5px;color:var(--dim);line-height:1.7;border-top:1px solid rgba(56,189,248,.1);padding-top:22px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;margin-top:18px;font-size:12.5px;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(148,163,184,.28);border-radius:999px;padding:5px 12px;color:#CBD5E1;font-weight:700}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .news-list{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:118px 0 56px}
  .logo-text strong{max-width:160px;font-size:12.5px}
  .logo-text span{font-size:9.5px}
  .assure-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .hero-search{flex-wrap:wrap;border-radius:22px;padding:14px}
  .hero-search input{width:100%;flex:1 1 100%;padding:6px 4px}
  .hero-search .btn{width:100%}
  .cta-box{padding:24px}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .metric-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}
  .btn-login{padding:8px 8px;font-size:13px}
  .btn-sm{padding:9px 14px;font-size:12.5px}
  .fab{left:12px;bottom:88px;width:52px;height:52px;font-size:17px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg2:#081229;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.4);
  --accent:#2563EB;
  --accent2:#38BDF8;
  --accent3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(3,7,18,.6);
  --glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  background-image:radial-gradient(1000px 520px at 88% -12%,rgba(37,99,235,.22),transparent 62%),radial-gradient(820px 460px at 4% 34%,rgba(56,189,248,.1),transparent 64%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,.35) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-tight{padding:52px 0}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:700}
.sec-head{max-width:780px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.7}
.lead{color:var(--muted);font-size:16px;line-height:1.7}
/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,7,18,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;min-width:0}
.logo-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:var(--glow);font-size:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-text span{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:#CBD5E1;transition:all .25s ease;border:1px solid transparent}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.18)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:rgba(56,189,248,.38);box-shadow:inset 0 0 18px rgba(56,189,248,.12)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#E2E8F0;cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);background:rgba(3,7,18,.97);padding:14px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-weight:600;color:#CBD5E1;border:1px solid transparent}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(37,99,235,.2);border-color:rgba(56,189,248,.3);color:#fff}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;text-align:center}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03111f;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.68)}
.btn-ghost{background:rgba(255,255,255,.045);border-color:rgba(56,189,248,.36);color:#E2E8F0}
.btn-ghost:hover{border-color:var(--accent2);background:rgba(56,189,248,.13);transform:translateY(-2px)}
.btn-login{background:transparent;border-color:transparent;color:#CBD5E1;padding:10px 14px}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.1)}
.btn-block{width:100%}
.btn:active{transform:scale(.975)}
.btn-sm{padding:10px 18px;font-size:13.5px}
/* Hero */
.hero{position:relative;padding:130px 0 66px;background-image:linear-gradient(115deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.74) 100%),url('/assets/images/b380d312c08f3796.jpg');background-size:cover;background-position:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 12% 8%,rgba(37,99,235,.3),transparent 62%),radial-gradient(700px 380px at 88% 90%,rgba(56,189,248,.2),transparent 65%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.34);color:#BAE6FD;font-size:12.5px;font-weight:700;padding:7px 15px;border-radius:999px;letter-spacing:.04em}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 12px #22C55E;animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.32}}
.hero h1{font-size:clamp(26px,4.1vw,48px);line-height:1.16;margin:20px 0 18px;background:linear-gradient(120deg,#FFFFFF 0%,#BAE6FD 55%,#60A5FA 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:720px;color:#CBD5E1;font-size:16.5px;line-height:1.72}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:7px 13px;border-radius:999px}
.tag i{color:var(--accent2);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.vip-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.panel-title{font-size:18px;margin-bottom:6px}
.panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.tier-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 15px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(56,189,248,.14);transition:all .25s ease}
.tier-row:hover{border-color:var(--border-strong);background:rgba(56,189,248,.08)}
.tier-row .t-name{font-weight:700;font-size:14.5px;display:block}
.tier-row .t-desc{font-size:12px;color:var(--muted);display:block;margin-top:2px}
.tier-badge{font-size:10.5px;font-weight:800;padding:5px 11px;border-radius:999px;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.tb-silver{background:rgba(148,163,184,.16);color:#CBD5E1;border:1px solid rgba(148,163,184,.35)}
.tb-gold{background:rgba(245,158,11,.16);color:#FCD34D;border:1px solid rgba(245,158,11,.4)}
.tb-diamond{background:rgba(56,189,248,.16);color:#BAE6FD;border:1px solid rgba(56,189,248,.45)}
.panel-note{font-size:12px;color:var(--dim);margin-top:12px;text-align:center}
/* Stats */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;transition:all .3s ease}
.stat:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 0 28px rgba(56,189,248,.18)}
.stat .num{font-size:clamp(26px,3.2vw,36px);font-weight:900;line-height:1.1;background:linear-gradient(120deg,#FFFFFF,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{font-size:13.5px;font-weight:600;margin-top:8px}
.stat .sub{font-size:12.5px;color:var(--dim);margin-top:6px;line-height:1.6}
/* Tier cards */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px 24px;transition:all .3s ease}
.plan:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(56,189,248,.18)}
.plan.featured{background:linear-gradient(180deg,rgba(37,99,235,.22),rgba(255,255,255,.04));border-color:var(--border-strong);box-shadow:0 0 34px rgba(56,189,248,.2)}
.plan h3{font-size:19px;margin-bottom:6px}
.plan .plan-desc{font-size:13px;color:var(--muted);min-height:40px}
.plan .price{font-size:28px;font-weight:900;margin:14px 0 4px;color:#E0F2FE}
.plan .price small{font-size:13px;font-weight:600;color:var(--muted)}
.plan ul{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.plan li{display:flex;gap:10px;font-size:13.5px;color:#CBD5E1;line-height:1.6}
.plan li i{color:var(--accent2);font-size:12px;margin-top:5px}
.plan .btn{margin-top:auto}
/* Compare */
.compare{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
.cmp-row{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:12px;padding:16px 22px;border-bottom:1px solid rgba(56,189,248,.1);font-size:14px;align-items:center}
.cmp-row:last-child{border-bottom:none}
.cmp-row.head{background:rgba(37,99,235,.16);font-weight:800;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:#BAE6FD}
.cmp-row .c-label{color:#E2E8F0;font-weight:600}
.cmp-row .c-free{color:var(--dim)}
.cmp-row .c-vip{color:#7DD3FC;font-weight:700}
.cmp-row:not(.head):hover{background:rgba(56,189,248,.05)}
/* Steps */
.steps-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}
.steps-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);position:relative}
.steps-visual img{width:100%;height:100%;object-fit:cover;min-height:320px}
.steps-visual figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:12.5px;color:#CBD5E1;background:linear-gradient(180deg,transparent,rgba(3,7,18,.92))}
.steps{display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:16px;padding:18px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:all .3s ease}
.step:hover{border-color:var(--border-strong);transform:translateX(4px)}
.step-num{flex:0 0 38px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:15px;color:#03111f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 16px rgba(56,189,248,.4)}
.step h3{font-size:15.5px;margin-bottom:5px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.65}
/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:all .3s ease;min-height:100%}
.news-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 28px rgba(56,189,248,.2)}
.news-card h3{font-size:15.5px;line-height:1.45}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.65;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--dim);border-top:1px solid rgba(56,189,248,.12);padding-top:12px}
.news-meta span{display:inline-flex;align-items:center;gap:6px}
.news-meta i{color:var(--accent2);font-size:11px}
.empty-note{padding:26px;border:1px dashed rgba(56,189,248,.28);border-radius:var(--radius);color:var(--muted);font-size:14px;background:rgba(255,255,255,.02)}
/* Guarantee */
.guar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guar{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:all .3s ease}
.guar:hover{border-color:var(--border-strong);box-shadow:0 0 24px rgba(56,189,248,.16)}
.guar i{font-size:18px;color:var(--accent2);margin-bottom:12px;display:block}
.guar h3{font-size:15.5px;margin-bottom:7px}
.guar p{font-size:13.5px;color:var(--muted);line-height:1.65}
/* Quick answers */
.quick{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.quick-item{padding:20px 0;border-bottom:1px solid rgba(56,189,248,.12)}
.quick-item h3{font-size:15.5px;margin-bottom:7px;display:flex;gap:10px;align-items:flex-start}
.quick-item h3 i{color:var(--accent2);font-size:13px;margin-top:5px}
.quick-item p{font-size:13.5px;color:var(--muted);line-height:1.7;padding-left:23px}
/* FAQ */
.faq-list{max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all .25s ease}
.faq-item[open]{border-color:var(--border-strong);box-shadow:0 0 24px rgba(56,189,248,.14)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.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(--accent2);font-size:13px;flex:0 0 auto}
.faq-item[open] summary::after{content:"\f068"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.72}
/* CTA form */
.cta{position:relative;background-image:linear-gradient(115deg,rgba(3,7,18,.94),rgba(8,18,41,.9)),url('/assets/images/6da25df81c512813.jpg');background-size:cover;background-position:center}
.cta-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:start}
.cta-copy h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.cta-copy p{color:#CBD5E1;font-size:15px;line-height:1.72}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:11px;font-size:14px;color:#CBD5E1}
.cta-list i{color:var(--accent2);font-size:13px;margin-top:5px}
.form-panel{background:rgba(3,7,18,.72);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.field label{font-size:12.5px;font-weight:700;color:#CBD5E1;letter-spacing:.03em}
.field input,.field select{padding:13px 15px;border-radius:var(--radius-sm);background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);color:#F8FAFC;transition:all .25s ease;width:100%}
.field input::placeholder{color:var(--dim)}
.field input:focus,.field select:focus{border-color:var(--accent2);background:rgba(56,189,248,.1);outline:none;box-shadow:0 0 0 3px rgba(56,189,248,.14)}
.field select option{background:#081229;color:#F8FAFC}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.form-msg{font-size:13.5px;color:#86EFAC;margin-top:12px;min-height:20px}
/* Footer */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.95));border-top:1px solid rgba(56,189,248,.14);padding:58px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(56,189,248,.12)}
.foot-brand p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:16px 0 16px;max-width:420px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{font-size:11.5px;font-weight:700;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);padding:6px 12px;border-radius:999px}
.foot-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#7DD3FC;margin-bottom:14px}
.foot-col a,.foot-col span{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:color .2s ease}
.foot-col a:hover{color:#E0F2FE}
.foot-legal{font-size:12.5px;color:var(--dim);line-height:1.7;padding:22px 0 18px;max-width:1000px}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid rgba(56,189,248,.12);padding-top:18px;font-size:12.5px;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#CBD5E1;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);padding:6px 13px;border-radius:999px}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:11px 18px 11px 12px;border-radius:999px;background:rgba(7,12,25,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(56,189,248,.55);color:#E2E8F0;font-weight:700;font-size:13.5px;box-shadow:0 0 20px rgba(56,189,248,.45);opacity:.8;transition:all .3s ease;min-height:52px}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);border-color:#38BDF8}
.fab:active{transform:scale(.95)}
.fab-ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04121f;font-size:13px}
.fab-dot{position:absolute;top:7px;right:9px;width:9px;height:9px;border-radius:50%;background:#22D3EE;box-shadow:0 0 10px #22D3EE;animation:blink 1.4s infinite}
/* Responsive */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:118px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:1fr}
  .steps-wrap{grid-template-columns:1fr;gap:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .guar-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .cmp-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .cmp-row.head{display:none}
  .cmp-row .c-label{font-size:13px;color:#7DD3FC;text-transform:uppercase;letter-spacing:.06em}
  .cmp-row .c-free::before{content:"Kênh công khai: ";color:var(--dim);font-weight:600}
  .cmp-row .c-vip::before{content:"Kênh VIP: ";color:var(--muted);font-weight:600}
  .quick{grid-template-columns:1fr;gap:0}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .logo-text strong{max-width:150px;font-size:12.5px}
  .logo-text span{display:none}
  .btn-login{padding:9px 8px;font-size:13px}
  .btn-sm{padding:9px 14px;font-size:12.5px}
  .hero{padding:104px 0 48px}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .guar-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .form-panel{padding:20px}
  .fab .fab-txt{display:none}
  .fab{padding:11px;gap:0}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg2:#081229;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.4);
  --accent:#2563EB;
  --accent2:#38BDF8;
  --accent3:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(3,7,18,.6);
  --glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header / Nav ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,7,18,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.12)}
.site-header .nav{max-width:var(--container);margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;min-width:0}
.logo-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:var(--glow);font-size:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:290px}
.logo-text span{font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:#CBD5E1;transition:all .25s ease;border:1px solid transparent;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.18)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:rgba(56,189,248,.38);box-shadow:inset 0 0 18px rgba(56,189,248,.12)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);color:#E2E8F0;cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{background:rgba(56,189,248,.14)}
.mobile-panel{display:none;border-top:1px solid rgba(56,189,248,.12);background:rgba(3,7,18,.97);padding:14px 20px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-weight:600;color:#CBD5E1;border:1px solid transparent}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(37,99,235,.2);border-color:rgba(56,189,248,.3);color:#fff}
.mobile-panel .mp-actions{display:flex;gap:10px;margin-top:12px}
.mobile-panel .mp-actions .btn{flex:1}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;white-space:nowrap;text-align:center}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03111f;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.68)}
.btn-ghost{background:rgba(255,255,255,.045);border-color:rgba(56,189,248,.36);color:#E2E8F0}
.btn-ghost:hover{border-color:var(--accent2);background:rgba(56,189,248,.13);transform:translateY(-2px)}
.btn-login{background:transparent;border-color:transparent;color:#CBD5E1;padding:10px 14px}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.1)}
.btn-block{width:100%}
.btn:active{transform:scale(.975)}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,.35) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-tight{padding:52px 0}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7DD3FC;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);padding:6px 14px;border-radius:999px;margin-bottom:14px;font-weight:700}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px}
.lead{color:var(--muted);font-size:15.5px;line-height:1.7}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color .3s ease,transform .3s ease}
.card:hover{border-color:var(--border-strong)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.35),transparent);margin:0}

/* ---------- Hero ---------- */
.hero{position:relative;padding:126px 0 64px;background-image:linear-gradient(112deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.86) 50%,rgba(3,7,18,.7) 100%),url('/assets/images/b380d312c08f3796.jpg');background-size:cover;background-position:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(880px 420px at 10% 6%,rgba(37,99,235,.3),transparent 62%),radial-gradient(680px 380px at 92% 92%,rgba(56,189,248,.2),transparent 66%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:36px;align-items:start}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.34);color:#BAE6FD;font-size:12.5px;font-weight:700;padding:7px 15px;border-radius:999px;letter-spacing:.04em}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 12px #22C55E;animation:blink 1.8s infinite}
.hero h1{font-size:clamp(25px,3.6vw,44px);line-height:1.16;margin:20px 0 18px;background:linear-gradient(120deg,#FFFFFF 0%,#BAE6FD 55%,#60A5FA 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:700px;color:#CBD5E1;font-size:16px;line-height:1.72}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#CBD5E1;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.2);padding:7px 13px;border-radius:999px}
.tag i{color:var(--accent2);font-size:12px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.roadmap-card{background:rgba(8,18,41,.72);border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.roadmap-card h2{font-size:16px;margin-bottom:6px}
.roadmap-card .rm-sub{font-size:12.5px;color:var(--dim);margin-bottom:16px;letter-spacing:.04em;text-transform:uppercase;font-weight:700}
.roadmap{position:relative;padding-left:22px;margin-bottom:20px}
.roadmap::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(56,189,248,.7),rgba(37,99,235,.15))}
.roadmap li{position:relative;padding:0 0 16px 4px;font-size:13.5px;color:#CBD5E1}
.roadmap li:last-child{padding-bottom:0}
.roadmap li::before{content:"";position:absolute;left:-22px;top:6px;width:12px;height:12px;border-radius:50%;background:#0B1220;border:2px solid rgba(56,189,248,.5)}
.roadmap li.done::before{background:var(--accent2);border-color:var(--accent2);box-shadow:0 0 12px rgba(56,189,248,.8)}
.roadmap li.live::before{background:var(--ok);border-color:var(--ok);box-shadow:0 0 12px rgba(34,197,94,.8)}
.roadmap li b{display:block;color:#fff;font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:2px}
.roadmap li span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.subscribe-form{display:flex;gap:8px;flex-wrap:wrap}
.subscribe-form input{flex:1;min-width:160px;padding:12px 14px;border-radius:12px;background:rgba(3,7,18,.7);border:1px solid rgba(56,189,248,.24);font-size:13.5px}
.subscribe-form input::placeholder{color:var(--dim)}
.subscribe-form input:focus{border-color:var(--accent2);outline:none;box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-note{font-size:12px;color:var(--dim);margin-top:10px;line-height:1.6}

/* ---------- Stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.stat-card{grid-column:span 2;padding:22px 22px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);position:relative;overflow:hidden}
.stat-card.big{grid-column:span 3;padding:24px}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,rgba(56,189,248,.7),rgba(37,99,235,.05))}
.stat-value{font-size:clamp(24px,3vw,36px);font-weight:900;letter-spacing:-.02em;background:linear-gradient(120deg,#FFFFFF,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#7DD3FC;margin-top:8px}
.stat-text{font-size:13.5px;color:var(--muted);margin-top:9px;line-height:1.65}

/* ---------- Model matrix ---------- */
.model-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.model-list{display:flex;flex-direction:column;gap:14px}
.model-item{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:20px 22px;background:var(--surface);border:1px solid var(--border);border-left:3px solid rgba(56,189,248,.5);border-radius:var(--radius-sm);transition:all .3s ease}
.model-item:hover{background:var(--surface-2);border-left-color:var(--accent2);transform:translateX(4px)}
.model-tier{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#BAE6FD}
.model-ratio{font-size:26px;font-weight:900;color:#fff;letter-spacing:-.02em;margin-top:4px}
.model-ratio small{font-size:12px;font-weight:600;color:var(--dim);letter-spacing:0;display:block;margin-top:4px}
.model-body h3{font-size:15.5px;margin-bottom:7px}
.model-body p{font-size:13.8px;color:var(--muted);line-height:1.7}
.model-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}
.model-tags span{font-size:11.5px;font-weight:700;color:#CBD5E1;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.22);padding:4px 10px;border-radius:999px}
.model-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);position:relative}
.model-visual img{width:100%;height:280px;object-fit:cover}
.model-visual figcaption{position:absolute;inset:auto 0 0 0;padding:16px 18px;background:linear-gradient(180deg,transparent,rgba(3,7,18,.94));font-size:12.5px;color:#CBD5E1;line-height:1.6}
.visual-note{margin-top:16px;padding:18px 20px;border:1px dashed rgba(56,189,248,.3);border-radius:var(--radius-sm);background:rgba(56,189,248,.04)}
.visual-note h4{font-size:14px;margin-bottom:8px}
.visual-note ul{display:flex;flex-direction:column;gap:8px}
.visual-note li{font-size:13.5px;color:var(--muted);padding-left:20px;position:relative;line-height:1.65}
.visual-note li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:11px;color:var(--accent2)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid rgba(56,189,248,.18)}
.step{padding:26px 20px 22px;border-right:1px solid rgba(56,189,248,.12);position:relative}
.step:last-child{border-right:none}
.step-num{font-size:34px;font-weight:900;color:transparent;-webkit-text-stroke:1px rgba(56,189,248,.55);letter-spacing:-.03em}
.step h3{font-size:15px;margin:12px 0 8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.68}
.step::after{content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .4s ease}
.step:hover::after{width:100%}

/* ---------- Compare ---------- */
.compare{display:flex;flex-direction:column;gap:1px;background:rgba(56,189,248,.14);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.cmp-row{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:1px;background:rgba(56,189,248,.14)}
.cmp-cell{background:rgba(6,12,26,.92);padding:16px 18px;font-size:13.6px;color:#CBD5E1;line-height:1.65}
.cmp-head .cmp-cell{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:#7DD3FC;background:rgba(8,18,41,.96)}
.cmp-label{font-weight:700;color:#E2E8F0}
.cmp-bad{color:#FCA5A5}
.cmp-good{color:#86EFAC}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.tl-item{padding:22px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);position:relative}
.tl-item::before{content:"";position:absolute;top:-1px;left:20px;right:20px;height:2px;background:linear-gradient(90deg,var(--accent2),transparent)}
.tl-year{font-size:12px;font-weight:800;letter-spacing:.14em;color:#7DD3FC;text-transform:uppercase}
.tl-item h3{font-size:15px;margin:10px 0 8px}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.68}
.tl-metric{margin-top:14px;padding-top:12px;border-top:1px solid rgba(56,189,248,.14);font-size:13px;color:#BAE6FD;font-weight:700}

/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 22px 18px;display:flex;flex-direction:column;gap:10px;transition:all .3s ease}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 26px rgba(56,189,248,.18)}
.news-cat{align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;background:rgba(37,99,235,.2);border:1px solid rgba(56,189,248,.28);padding:4px 10px;border-radius:999px}
.news-card h3{font-size:15.5px;line-height:1.5}
.news-card h3 a:hover{color:var(--accent2)}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.68;flex:1}
.news-meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--dim);border-top:1px solid rgba(56,189,248,.12);padding-top:12px}
.empty-note{font-size:14px;color:var(--muted);padding:22px;border:1px dashed rgba(56,189,248,.28);border-radius:var(--radius-sm);background:rgba(56,189,248,.04)}

/* ---------- Assure ---------- */
.assure-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.assure-item{padding:20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface)}
.assure-item i{font-size:18px;color:var(--accent2);margin-bottom:10px;display:block}
.assure-item h3{font-size:14.5px;margin-bottom:7px}
.assure-item p{font-size:13.4px;color:var(--muted);line-height:1.68}
.pay-panel{padding:24px;border:1px solid var(--border);border-radius:var(--radius-lg);background:rgba(8,18,41,.6)}
.pay-panel h3{font-size:16px;margin-bottom:10px}
.pay-panel p{font-size:13.6px;color:var(--muted);line-height:1.7}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-badge{font-size:12px;font-weight:700;color:#E2E8F0;background:rgba(255,255,255,.06);border:1px solid rgba(56,189,248,.22);padding:7px 13px;border-radius:10px}
.safe-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.safe-list li{font-size:13.4px;color:var(--muted);padding-left:20px;position:relative;line-height:1.65}
.safe-list li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:12px;color:var(--ok)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);overflow:hidden;transition:border-color .3s ease}
.faq-item[open]{border-color:var(--border-strong);background:var(--surface-2)}
.faq-item summary{cursor:pointer;padding:17px 20px;font-size:15px;font-weight:700;color:#E2E8F0;display:flex;align-items:center;gap:12px;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\2b";margin-left:auto;color:var(--accent2);font-weight:800;font-size:18px;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:#fff}
.faq-a{padding:0 20px 18px;font-size:13.8px;color:var(--muted);line-height:1.72}

/* ---------- CTA ---------- */
.cta-panel{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong);background-image:linear-gradient(115deg,rgba(3,7,18,.94),rgba(8,18,41,.9)),url('/assets/images/6da25df81c512813.jpg');background-size:cover;background-position:center}
.cta-inner{position:relative;z-index:2;padding:38px 34px;display:grid;grid-template-columns:1fr .95fr;gap:34px;align-items:center}
.cta-inner h2{font-size:clamp(21px,2.8vw,30px);margin-bottom:12px}
.cta-inner .lead{color:#CBD5E1}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.cta-points li{font-size:13.6px;color:#CBD5E1;padding-left:22px;position:relative}
.cta-points li::before{content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:12px;color:var(--accent2)}
.cta-form{padding:26px 24px;border-radius:var(--radius);background:rgba(6,12,26,.82);border:1px solid rgba(56,189,248,.24);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.field label{font-size:12.5px;font-weight:700;color:#BAE6FD;letter-spacing:.03em}
.field input,.field select{padding:12px 14px;border-radius:12px;background:rgba(3,7,18,.75);border:1px solid rgba(56,189,248,.24);font-size:14px}
.field input::placeholder{color:var(--dim)}
.field input:focus,.field select:focus{border-color:var(--accent2);outline:none;box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---------- Footer ---------- */
.site-footer{margin-top:0;padding:60px 0 28px;background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.95));border-top:1px solid rgba(56,189,248,.14)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px}
.foot-brand p{font-size:13.6px;color:var(--muted);line-height:1.72;margin-top:16px;max-width:420px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#7DD3FC;margin-bottom:14px}
.foot-col a,.foot-col span{display:block;font-size:13.6px;color:var(--muted);padding:5px 0;transition:color .25s ease,transform .25s ease}
.foot-col a:hover{color:#fff;transform:translateX(3px)}
.foot-legal{font-size:12.5px;color:var(--dim);line-height:1.75;border-top:1px solid rgba(56,189,248,.12);padding-top:20px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;margin-top:18px;font-size:12.5px;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#FCA5A5;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.28);padding:6px 12px;border-radius:999px}

/* ---------- FAB ---------- */
.fab{position:fixed;left:1rem;bottom:6rem;z-index:50;display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:12px 20px;border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.02em;color:#E2E8F0;opacity:.8;background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#38BDF8,#2563EB);background-origin:border-box;background-clip:padding-box,border-box;border:1px solid transparent;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 0 20px rgba(6,182,212,.45);transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease}
.fab i{color:#7DD3FC;font-size:15px;animation:flick 3.6s infinite}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab-dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#EF4444;box-shadow:0 0 10px #EF4444;animation:pulse 1.6s infinite}

@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}
@keyframes flick{0%,100%{opacity:1}47%{opacity:1}50%{opacity:.35}53%{opacity:1}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:112px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .model-layout,.assure-layout{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-bottom:1px solid rgba(56,189,248,.12)}
  .step:nth-child(2n){border-right:none}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-card,.stat-card.big{grid-column:span 1}
  .cta-inner{grid-template-columns:1fr;padding:32px 26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .cmp-row{grid-template-columns:1fr}
  .cmp-head{display:none}
  .cmp-cell{padding:14px 16px}
  .cmp-label{background:rgba(37,99,235,.16);color:#BAE6FD;font-size:12px;text-transform:uppercase;letter-spacing:.1em}
  .logo-text strong{max-width:190px;font-size:12.5px}
  .btn-login,.nav-actions .btn-primary{display:none}
  .model-item{grid-template-columns:1fr;gap:12px}
  .assure-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:100px 0 46px}
  .section{padding:46px 0}
  .steps{grid-template-columns:1fr}
  .step{border-right:none}
  .timeline,.news-grid,.stat-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-btns .btn{width:100%}
  .fab{padding:12px 16px;font-size:12px}
  .fab span.fab-text{display:none}
}