/* roulang page: index */
:root{
  --bg:#04121c;
  --bg-soft:#071b28;
  --panel:#0a2434;
  --panel-2:#081d2b;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(34,211,238,.45);
  --text:#ecfeff;
  --muted:#9fc3d6;
  --dim:#79a3ba;
  --cyan:#22d3ee;
  --mint:#34d399;
  --gold:#fbbf24;
  --pink:#f43f5e;
  --ink:#04121c;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,10,18,.55);
  --glow:0 0 22px rgba(34,211,238,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  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 0 12px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,3.5vw,2.7rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.95rem)}
h3{font-size:1.08rem}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:min(var(--container),92vw);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,18,28,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  display:grid;place-items:center;color:var(--ink);font-size:19px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-weight:800;font-size:.95rem;line-height:1.2;max-width:240px}
.logo-text small{display:block;font-size:.68rem;font-weight:600;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.main-nav{flex:1 1 auto;min-width:0}
.main-nav ul{display:flex;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;white-space:nowrap;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--muted);transition:.2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.12)}
.nav-link.active{color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint))}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;cursor:pointer;transition:.22s;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
  box-shadow:0 0 16px rgba(34,211,238,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(4,18,28,.6);border-color:var(--line-strong);color:#d9fbff}
.btn-ghost:hover{background:rgba(34,211,238,.15);border-color:var(--cyan)}
.btn-sm{padding:9px 15px;font-size:.82rem}
.btn-login{padding:9px 14px;font-size:.85rem;font-weight:600;color:#cdeeff;border-radius:10px;border:1px solid rgba(34,211,238,.32);background:transparent;transition:.2s}
.btn-login:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-signup{padding:10px 18px;font-size:.85rem;font-weight:800;border-radius:10px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));box-shadow:0 0 15px rgba(163,230,53,.35);transition:.2s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(34,211,238,.6)}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:70px 0 76px;
  background:
    linear-gradient(105deg,rgba(4,18,28,.96) 8%,rgba(4,18,28,.78) 52%,rgba(4,18,28,.92) 100%),
    url('/assets/images/5d094dd080b6dbf1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
  font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8f4ff;margin-bottom:18px;
}
.hero h1{max-width:14ch}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--mint) 60%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:60ch;color:var(--muted);font-size:1rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.point{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-pill);
  background:rgba(10,36,52,.75);border:1px solid var(--line);font-size:.82rem;color:#cdeeff;
}
.point i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block}

.hero-panel{
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));
  border:1px solid var(--line-strong);border-radius:22px;padding:26px;
  box-shadow:var(--shadow);
}
.panel-title{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700;margin-bottom:16px}
.ring-wrap{display:flex;align-items:center;gap:20px}
.ring{
  position:relative;width:132px;height:132px;flex:0 0 auto;border-radius:50%;
  background:conic-gradient(var(--cyan) 0 78%,rgba(255,255,255,.08) 78% 100%);
  display:grid;place-items:center;
  box-shadow:0 0 26px rgba(34,211,238,.28);
}
.ring::before{content:"";position:absolute;inset:12px;border-radius:50%;background:#061a26}
.ring b{position:relative;z-index:2;font-size:1.6rem;font-weight:800;color:#eafcff}
.ring b small{display:block;font-size:.6rem;font-weight:600;color:var(--dim);letter-spacing:.12em;text-transform:uppercase}
.ring-copy p{margin:0 0 6px;font-size:.86rem;color:var(--muted)}
.ring-copy strong{display:block;font-size:1.05rem;color:#fff}
.tier-list{margin-top:22px;display:grid;gap:10px}
.tier{
  display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:12px;
  background:rgba(4,18,28,.6);border:1px solid var(--line);transition:.2s;
}
.tier:hover{border-color:var(--line-strong);background:rgba(34,211,238,.08)}
.tier .tier-tag{
  flex:0 0 auto;font-size:.7rem;font-weight:800;letter-spacing:.04em;padding:5px 9px;border-radius:8px;
  background:linear-gradient(135deg,var(--gold),#f59e0b);color:#3b1d00;
}
.tier span{font-size:.85rem;color:#d6f3ff}
.hero-panel .btn{width:100%;margin-top:18px}

/* ---------- SECTIONS ---------- */
.section{padding:74px 0;border-top:1px solid rgba(125,211,252,.08)}
.section--alt{background:linear-gradient(180deg,#061a26,#04121c)}
.section--deep{background:linear-gradient(180deg,#04121c,#071b28)}
.sec-head{max-width:780px;margin-bottom:36px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{max-width:26ch}
.sec-head.center h2{margin-inline:auto}
.sec-head p{color:var(--muted);margin-bottom:0}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#a8f0ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);margin-bottom:14px;
}
.tag--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.tag--mint{color:#b6f7dd;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}

/* ---------- METRICS ---------- */
.metric{
  padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.9));
  border:1px solid var(--line);transition:.25s;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.metric b{display:block;font-size:1.5rem;font-weight:800;color:#eafcff;line-height:1.2}
.metric span{font-size:.83rem;color:var(--muted);display:block;margin-top:6px}

/* ---------- CARDS ---------- */
.card{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(6,22,34,.92));
  border:1px solid var(--line);transition:.25s;height:100%;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card h3{color:#eafcff;margin-bottom:8px}
.card p{color:var(--muted);font-size:.92rem;margin-bottom:0}
.card .card-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);font-size:1.15rem;
}
.card--link:hover{cursor:pointer}
.card-meta{font-size:.76rem;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;font-weight:600;margin-bottom:8px}

/* ---------- LIST + SIDEBAR ---------- */
.split{display:grid;grid-template-columns:1.6fr .95fr;gap:34px;align-items:start}
.post-list{display:grid;gap:16px}
.post-item{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  padding:14px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(10,36,52,.85),rgba(6,22,34,.85));transition:.25s;
}
.post-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.post-item img{width:100%;height:96px;object-fit:cover;border-radius:12px}
.post-item h3{font-size:1rem;margin-bottom:6px;color:#eafcff}
.post-item p{font-size:.86rem;color:var(--muted);margin:0 0 6px}
.post-date{font-size:.75rem;color:var(--dim)}
.side-panel{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(8,29,43,.95),rgba(4,18,28,.95));
}
.side-panel h3{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.mini-list{display:grid;gap:14px}
.mini{display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px dashed rgba(125,211,252,.16)}
.mini:last-child{border-bottom:0;padding-bottom:0}
.mini img{width:64px;height:64px;object-fit:cover;border-radius:10px}
.mini span{font-size:.86rem;color:#d6f3ff;font-weight:600;line-height:1.45}
.mini:hover span{color:var(--cyan)}
.empty{padding:18px;border-radius:12px;border:1px dashed var(--line-strong);color:var(--muted);font-size:.9rem;background:rgba(34,211,238,.05)}
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.9));transition:.25s;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post-card img{width:100%;height:150px;object-fit:cover}
.post-card .pc-body{padding:16px 16px 20px}
.post-card h3{font-size:.95rem;margin-bottom:8px;color:#eafcff}
.post-card p{font-size:.84rem;color:var(--muted);margin:0 0 10px}
.list-more{margin-top:26px;text-align:left}

/* ---------- COMPARE ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(8,29,43,.7)}
.compare-col--win{border-color:var(--line-strong);background:linear-gradient(160deg,rgba(34,211,238,.12),rgba(6,22,34,.92));box-shadow:var(--glow)}
.compare-col h3{margin-bottom:16px;font-size:1.05rem}
.compare-col--win h3{color:#b8f4ff}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:11px;font-size:.9rem;color:var(--muted);line-height:1.55}
.check-list li::before{content:"✓";flex:0 0 auto;color:var(--mint);font-weight:800}
.check-list--x li::before{content:"×";color:var(--pink)}

/* ---------- TIMELINE ---------- */
.timeline{display:grid;gap:0;border-left:2px solid rgba(34,211,238,.28);padding-left:26px;margin-left:8px}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-35px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.6);
}
.tl-item h3{margin-bottom:6px;font-size:1.02rem}
.tl-item p{color:var(--muted);font-size:.9rem;margin:0}

/* ---------- IMAGE CARDS ---------- */
.img-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel-2);transition:.25s;display:flex;flex-direction:column}
.img-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.img-card img{width:100%;height:170px;object-fit:cover}
.img-card .ic-body{padding:18px}
.img-card h3{font-size:1rem;margin-bottom:6px}
.img-card p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- CHANGELOG ---------- */
.log-row{
  display:grid;grid-template-columns:110px 1fr;gap:18px;padding:18px 20px;border-radius:12px;
  border:1px solid var(--line);background:rgba(8,29,43,.6);margin-bottom:12px;transition:.2s;
}
.log-row:hover{border-color:var(--line-strong)}
.log-row b{color:var(--gold);font-size:.9rem}
.log-row p{margin:0;font-size:.9rem;color:var(--muted)}

/* ---------- CHIPS ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:11px 17px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(10,36,52,.8);font-size:.86rem;font-weight:600;color:#d6f3ff;transition:.2s;
}
.chip:hover{border-color:var(--cyan);background:rgba(34,211,238,.12)}
.chip i{width:9px;height:9px;border-radius:50%;background:var(--cyan);display:inline-block}

/* ---------- QUICK ANSWERS ---------- */
.qa{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.qa-item{padding:20px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(8,29,43,.7)}
.qa-item h3{font-size:.95rem;color:#b8f4ff;margin-bottom:8px}
.qa-item p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,29,43,.7);
  padding:4px 20px;transition:.2s;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(34,211,238,.07)}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 0;font-weight:700;font-size:.98rem;color:#eafcff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.25rem;color:var(--cyan);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq p{font-size:.9rem;color:var(--muted);margin:0 0 18px}

/* ---------- FORM ---------- */
.lead-wrap{
  border-radius:22px;border:1px solid var(--line-strong);overflow:hidden;
  background:
    linear-gradient(120deg,rgba(4,18,28,.94),rgba(6,26,38,.94)),
    url('/assets/images/5a28461d5a966b75.jpg') center/cover no-repeat;
  padding:38px;
}
.lead-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.lead-form{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--dim)}
.field input,.field select{
  padding:13px 15px;border-radius:12px;background:rgba(4,18,28,.85);
  border:1px solid var(--line);color:#eafcff;transition:.2s;width:100%;
}
.field input::placeholder{color:#5f8399}
.field input:focus,.field select:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.form-note{font-size:.78rem;color:var(--dim);margin:0}
.form-msg{margin:0;padding:12px 14px;border-radius:12px;background:rgba(52,211,153,.14);border:1px solid rgba(52,211,153,.4);font-size:.88rem;color:#c6ffe8}

/* ---------- NOTICE ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border-radius:var(--radius);
  border:1px dashed rgba(251,191,36,.45);background:rgba(251,191,36,.07);
}
.notice b{color:#ffe6a8;flex:0 0 auto;font-size:.95rem}
.notice p{margin:0;font-size:.88rem;color:var(--muted)}

/* ---------- FOOTER ---------- */
.site-footer{background:linear-gradient(180deg,#04121c,#020b12);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(125,211,252,.12)}
.footer-brand p{font-size:.88rem;color:var(--muted);max-width:36ch}
.footer-col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:.88rem;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.footer-pay span{font-size:.75rem;padding:6px 11px;border-radius:8px;border:1px solid var(--line);color:#cdeeff;background:rgba(10,36,52,.7)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:22px;font-size:.8rem;color:var(--dim)}
.footer-bottom a{color:#9fc3d6}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;min-height:52px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,20,28,.9),rgba(7,20,28,.9)),linear-gradient(135deg,var(--cyan),var(--mint));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.4);
  font-size:.84rem;font-weight:700;color:#d9fbff;transition:.25s;opacity:.85;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.7)}
.fab:active{transform:translateY(0) scale(.97)}
.fab .fab-dot{
  position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1080px){
  .grid-6{grid-template-columns:repeat(3,1fr)}
  .grid-4,.post-grid,.qa{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr}
  .lead-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .header-inner{min-height:auto;padding:12px 0}
  .main-nav{order:3;flex:1 0 100%}
  .header-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:52px 0 58px}
  .grid-3,.grid-2,.compare{grid-template-columns:1fr}
  .post-item{grid-template-columns:110px 1fr;gap:14px}
  .post-item img{height:82px}
  .lead-wrap{padding:26px}
  .logo-text{font-size:.86rem;max-width:190px}
  .fab{left:12px;bottom:84px;padding:11px 15px;font-size:.78rem}
}
@media (max-width:520px){
  .grid-6,.grid-4,.post-grid,.qa{grid-template-columns:1fr}
  .ring-wrap{flex-direction:column;align-items:flex-start}
  .post-item{grid-template-columns:1fr}
  .post-item img{height:150px}
  .log-row{grid-template-columns:1fr;gap:8px}
  .hero-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .timeline{padding-left:20px}
  .tl-item::before{left:-29px}
}

/* roulang page: category1 */
:root{
  --bg:#04121c;
  --bg-soft:#071b28;
  --panel:#0a2434;
  --panel-2:#081d2b;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(34,211,238,.45);
  --text:#ecfeff;
  --muted:#9fc3d6;
  --dim:#79a3ba;
  --cyan:#22d3ee;
  --mint:#34d399;
  --gold:#fbbf24;
  --pink:#f43f5e;
  --ink:#04121c;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,10,18,.55);
  --glow:0 0 22px rgba(34,211,238,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  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;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),92vw);margin-inline:auto}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,18,28,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  display:grid;place-items:center;color:var(--ink);font-size:19px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-weight:800;font-size:.95rem;line-height:1.2;max-width:240px}
.logo-text small{display:block;font-size:.68rem;font-weight:600;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.main-nav{flex:1 1 auto;min-width:0}
.main-nav ul{display:flex;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;white-space:nowrap;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--muted);transition:.2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.12)}
.nav-link.active{color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint))}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-left:auto}
.btn-login{padding:9px 14px;font-size:.85rem;font-weight:600;color:#cdeeff;border-radius:10px;border:1px solid rgba(34,211,238,.32);background:transparent;transition:.2s}
.btn-login:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-signup{padding:10px 18px;font-size:.85rem;font-weight:800;border-radius:10px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));box-shadow:0 0 15px rgba(34,211,238,.35);transition:.2s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(34,211,238,.6)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:12px;font-weight:700;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:.22s;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);box-shadow:0 0 16px rgba(34,211,238,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(4,18,28,.6);border-color:var(--line-strong);color:#d9fbff}
.btn-ghost:hover{background:rgba(34,211,238,.15);border-color:var(--cyan)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#f59e0b);color:#3b1d00;box-shadow:0 0 18px rgba(251,191,36,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(251,191,36,.55)}
.btn-sm{padding:9px 15px;font-size:.82rem}

/* ---------- HERO KV ---------- */
.hero-cat{
  position:relative;padding:64px 0 0;
  background:
    linear-gradient(100deg,rgba(4,18,28,.97) 4%,rgba(4,18,28,.8) 46%,rgba(4,18,28,.9) 100%),
    url('/assets/images/5a28461d5a966b75.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-cat::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start;padding-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
  font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8f4ff;margin-bottom:18px;
}
.hero-cat h1{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;max-width:20ch}
.hero-cat h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--mint) 55%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:62ch;color:var(--muted);margin-top:18px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--radius-pill);
  font-size:.79rem;font-weight:600;color:#c9f3ff;background:rgba(8,29,43,.85);border:1px solid var(--line);
}
.chip b{color:var(--gold);font-weight:800}
.hero-panel{
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));
  border:1px solid var(--line-strong);border-radius:22px;padding:26px;box-shadow:var(--shadow);
}
.panel-title{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700;margin-bottom:14px}
.pot-value{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:800;color:var(--gold);letter-spacing:-.02em}
.pot-sub{color:var(--muted);font-size:.86rem;margin-top:6px}
.panel-rows{margin-top:20px;display:grid;gap:10px}
.panel-row{display:flex;justify-content:space-between;gap:12px;font-size:.88rem;color:var(--muted);padding-bottom:10px;border-bottom:1px dashed rgba(125,211,252,.18)}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row strong{color:#e6feff;font-weight:700}
.hero-panel .btn{width:100%;margin-top:20px}

/* ---------- COUNTDOWN BAR ---------- */
.countdown-bar{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;justify-content:space-between;
  padding:16px 22px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(251,191,36,.14),rgba(34,211,238,.1));
  border:1px solid rgba(251,191,36,.32);
  margin-bottom:34px;
}
.cd-label{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:700;color:#ffe9b0}
.cd-dot{width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 12px var(--pink);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.cd-time{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-unit{
  min-width:56px;text-align:center;padding:8px 10px;border-radius:10px;
  background:rgba(4,18,28,.75);border:1px solid var(--line-strong);
  font-weight:800;font-size:1.15rem;color:#e8feff;
}
.cd-unit span{display:block;font-size:.62rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-top:2px}
.cd-sep{color:var(--dim);font-weight:800}

/* ---------- STAT STRIP ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
}
.stat{padding:24px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-value{font-size:1.5rem;font-weight:800;color:#e8feff}
.stat-value em{font-style:normal;color:var(--mint)}
.stat-label{font-size:.82rem;color:var(--dim);margin-top:5px}

/* ---------- SECTIONS ---------- */
.section{padding:74px 0;border-top:1px solid rgba(125,211,252,.08)}
.section--alt{background:linear-gradient(180deg,#061a26,#04121c)}
.section--deep{background:linear-gradient(180deg,#04121c,#071b28)}
.section-head{max-width:64ch;margin-bottom:36px}
.section-head h2{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:800}
.section-head p{color:var(--muted);margin-top:12px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#a8f0ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);margin-bottom:14px;
}
.tag--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.tag--mint{color:#b6f7dd;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ---------- CARDS ---------- */
.card{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.92));
  border:1px solid var(--line);
  transition:.25s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 14px 32px rgba(2,10,18,.5)}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);margin-bottom:16px;
}
.card h3{font-size:1.05rem;font-weight:700;margin-bottom:9px}
.card p{color:var(--muted);font-size:.92rem}
.card-note{margin-top:14px;font-size:.82rem;color:var(--gold);font-weight:700}

/* ---------- ROOM CARDS ---------- */
.room-card{
  border-radius:var(--radius);overflow:hidden;background:var(--panel-2);
  border:1px solid var(--line);transition:.25s;display:flex;flex-direction:column;
}
.room-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 16px 36px rgba(2,10,18,.55)}
.room-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.room-media img{width:100%;height:100%;object-fit:cover;transition:.4s}
.room-card:hover .room-media img{transform:scale(1.06)}
.room-tag{
  position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:8px;
  font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  background:linear-gradient(135deg,var(--pink),#b91c1c);color:#fff;
}
.room-tag--gold{background:linear-gradient(135deg,var(--gold),#f59e0b);color:#3b1d00}
.room-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.room-name{font-size:1.03rem;font-weight:700}
.room-meta{font-size:.85rem;color:var(--muted)}
.room-pot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:1px dashed rgba(125,211,252,.2);
}
.room-pot span{font-size:.78rem;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.room-pot strong{color:var(--gold);font-size:1.05rem;font-weight:800}

/* ---------- TABLE ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(6,22,34,.7)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(125,211,252,.12)}
th{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:700;background:rgba(10,36,52,.75)}
td{color:var(--muted)}
td strong{color:#e8feff;font-weight:700}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(34,211,238,.05)}
.pill{display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:700;background:rgba(52,211,153,.14);color:#a7f3d0;border:1px solid rgba(52,211,153,.32)}
.pill--gold{background:rgba(251,191,36,.14);color:#ffe6a8;border-color:rgba(251,191,36,.32)}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{padding:24px;border-radius:var(--radius);background:rgba(6,22,34,.8);border:1px solid var(--line);border-left:3px solid var(--cyan)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-weight:800;font-size:.9rem;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));margin-bottom:14px;
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.step p{font-size:.88rem;color:var(--muted)}

/* ---------- PAYMENTS ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pay-card{padding:22px;border-radius:var(--radius);background:rgba(6,22,34,.82);border:1px solid var(--line);transition:.24s}
.pay-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pay-badge{
  display:inline-block;padding:6px 13px;border-radius:9px;font-weight:800;font-size:.82rem;
  background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(52,211,153,.18));
  border:1px solid rgba(34,211,238,.35);color:#d6fbff;margin-bottom:13px;
}
.pay-card p{font-size:.88rem;color:var(--muted)}
.pay-time{margin-top:12px;font-size:.82rem;color:var(--mint);font-weight:700}

/* ---------- NEWS LIST ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;gap:11px;padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.88),rgba(6,22,34,.92));
  border:1px solid var(--line);transition:.24s;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 14px 30px rgba(2,10,18,.5)}
.news-cat{font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#a8f0ff}
.news-title{font-size:1rem;font-weight:700;line-height:1.4}
.news-excerpt{font-size:.88rem;color:var(--muted)}
.news-date{margin-top:auto;font-size:.78rem;color:var(--dim)}
.news-empty{padding:28px;border-radius:var(--radius);border:1px dashed rgba(125,211,252,.28);color:var(--muted);text-align:center}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(6,22,34,.8);overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:19px 22px;font-weight:700;font-size:.98rem;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:14px;transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem;font-weight:800;color:var(--cyan);line-height:1}
.faq-item[open] summary{color:#c9f7ff;background:rgba(34,211,238,.07)}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:.92rem}

/* ---------- CTA BAND ---------- */
.cta-band{
  border-radius:22px;padding:44px;border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(4,18,28,.95),rgba(8,29,43,.9)),
    url('/assets/images/52199d656386131c.jpg') center/cover no-repeat;
  display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.5vw,1.95rem);font-weight:800}
.cta-band p{color:var(--muted);margin-top:12px}
.cta-form{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:.82rem;font-weight:700;color:#c9ecf8}
.field input,.field select{
  padding:13px 15px;border-radius:11px;background:rgba(4,18,28,.85);
  border:1px solid var(--line);color:#eafcff;transition:.2s;
}
.field input:focus,.field select:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.cta-form .btn{width:100%}
.form-note{font-size:.78rem;color:var(--dim)}
.form-success{display:none;margin-top:12px;padding:13px 16px;border-radius:11px;background:rgba(52,211,153,.14);border:1px solid rgba(52,211,153,.4);color:#b6f7dd;font-size:.88rem}
.form-success.show{display:block}

/* ---------- FOOTER ---------- */
.site-footer{background:#03101a;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:.9rem}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-pay span{padding:5px 11px;border-radius:8px;font-size:.75rem;font-weight:700;color:#cdf2ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28)}
.footer-col h4{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.9rem;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem;color:var(--dim);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:14px 20px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.8);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--mint));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  color:#dffaff;font-weight:700;font-size:.85rem;opacity:.78;transition:.25s;
}
.fab-icon{font-size:1.1rem;display:inline-block}
.fab:hover{opacity:1;box-shadow:0 0 30px rgba(34,211,238,.7);transform:translateY(-2px)}
.fab:hover .fab-icon{animation:flicker 1.1s infinite}
.fab:active{transform:translateY(1px) scale(.97)}
@keyframes flicker{0%,100%{opacity:1}45%{opacity:.35}55%{opacity:1}}
.fab-dot{
  position:absolute;top:6px;right:10px;width:10px;height:10px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 10px var(--mint);animation:pulse 1.4s infinite;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-3,.grid-4,.news-grid,.steps,.pay-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:34px}
}
@media (max-width:768px){
  .header-inner{gap:12px;min-height:66px;padding:10px 0}
  .main-nav{order:3;flex:1 1 100%}
  .main-nav ul{gap:2px}
  .nav-link{padding:8px 11px;font-size:.84rem}
  .logo-text{font-size:.88rem;max-width:180px}
  .section{padding:56px 0}
  .grid-2{grid-template-columns:1fr}
  .countdown-bar{padding:14px 16px;gap:14px}
  .cd-unit{min-width:50px;font-size:1rem}
  .hero-cat{padding-top:44px}
  .cta-band{padding:26px 20px}
  .fab{bottom:84px;padding:12px 16px;font-size:.8rem}
}
@media (max-width:520px){
  .grid-3,.grid-4,.news-grid,.steps,.pay-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr}
  .header-actions{gap:6px}
  .btn-login{padding:8px 11px;font-size:.78rem}
  .btn-signup{padding:9px 14px;font-size:.78rem}
  .hero-cta .btn{width:100%}
  .cd-time{gap:5px}
  .cd-unit{min-width:44px;padding:7px 8px;font-size:.95rem}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --bg:#04121c;
  --bg-soft:#071b28;
  --panel:#0a2434;
  --panel-2:#081d2b;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(34,211,238,.45);
  --text:#ecfeff;
  --muted:#9fc3d6;
  --dim:#79a3ba;
  --cyan:#22d3ee;
  --mint:#34d399;
  --gold:#fbbf24;
  --pink:#f43f5e;
  --ink:#04121c;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,10,18,.55);
  --glow:0 0 22px rgba(34,211,238,.35);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  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 0 12px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,3.9vw,2.8rem)}
h2{font-size:clamp(1.45rem,2.5vw,2rem)}
h3{font-size:1.05rem}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),92vw);margin-inline:auto}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,18,28,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  display:grid;place-items:center;color:var(--ink);font-size:19px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-weight:800;font-size:.95rem;line-height:1.2;max-width:240px}
.logo-text small{display:block;font-size:.68rem;font-weight:600;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.main-nav{flex:1 1 auto;min-width:0}
.main-nav ul{display:flex;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;white-space:nowrap;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--muted);transition:.2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.12)}
.nav-link.active{color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint))}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;cursor:pointer;transition:.22s;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
  box-shadow:0 0 16px rgba(34,211,238,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(4,18,28,.6);border-color:var(--line-strong);color:#d9fbff}
.btn-ghost:hover{background:rgba(34,211,238,.15);border-color:var(--cyan)}
.btn-sm{padding:9px 15px;font-size:.82rem}
.btn-login{padding:9px 14px;font-size:.85rem;font-weight:600;color:#cdeeff;border-radius:10px;border:1px solid rgba(34,211,238,.32);background:transparent;transition:.2s}
.btn-login:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-signup{padding:10px 18px;font-size:.85rem;font-weight:800;border-radius:10px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));box-shadow:0 0 15px rgba(163,230,53,.35);transition:.2s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(34,211,238,.6)}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:66px 0 78px;
  background:
    linear-gradient(105deg,rgba(4,18,28,.97) 6%,rgba(4,18,28,.78) 50%,rgba(4,18,28,.94) 100%),
    url('/assets/images/5d094dd080b6dbf1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
  font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8f4ff;margin-bottom:18px;
}
.hero h1{max-width:18ch}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--mint) 60%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:58ch;color:var(--muted);font-size:.98rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.kpi{padding:14px 16px;border-radius:14px;background:rgba(10,36,52,.75);border:1px solid var(--line)}
.kpi b{display:block;font-size:1.25rem;font-weight:800;background:linear-gradient(120deg,var(--cyan),var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi span{font-size:.75rem;color:var(--dim);display:block;line-height:1.4;margin-top:4px}
.hero-visual{position:relative;transform:rotate(-1.6deg)}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:22px;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;right:auto;
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-radius:16px;
  background:rgba(6,22,34,.94);border:1px solid var(--line-strong);
  box-shadow:var(--shadow);backdrop-filter:blur(8px);
}
.hero-float b{display:block;font-size:.9rem;color:#e9feff}
.hero-float span{display:block;font-size:.72rem;color:var(--dim)}
.pulse-dot{width:11px;height:11px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px rgba(52,211,153,.9);animation:dotPulse 1.6s infinite;flex:0 0 auto}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.55}}

/* ---------- SECTION BASE ---------- */
.section{padding:74px 0;border-top:1px solid rgba(125,211,252,.08)}
.section--alt{background:linear-gradient(180deg,#061a26,#04121c)}
.section--deep{background:linear-gradient(180deg,#04121c,#071b28)}
.section-head{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:30px;align-items:end;margin-bottom:38px}
.section-head p{color:var(--muted);margin:0;font-size:.94rem}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#a8f0ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);margin-bottom:14px;
}
.tag--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.tag--mint{color:#b6f7dd;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(7,25,37,.92));
  border:1px solid var(--line);transition:.25s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 22px rgba(34,211,238,.2)}
.card h3{color:#eaffff}
.card p{color:var(--muted);font-size:.9rem;margin:0}
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--radius-pill);font-size:.68rem;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));
}
.badge--gold{background:linear-gradient(135deg,var(--gold),#f59e0b);color:#3b1d00}
.badge--pink{background:linear-gradient(135deg,var(--pink),#fb7185);color:#2b0410}

/* ---------- STATS ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  padding:22px;border-radius:var(--radius);background:rgba(8,29,43,.85);
  border:1px solid var(--line);border-left:3px solid var(--cyan);
}
.stat b{display:block;font-size:1.5rem;font-weight:800;color:#fff;line-height:1.2}
.stat span{display:block;font-size:.8rem;color:var(--dim);margin-top:6px}
.bars{margin-top:34px;padding:26px;border-radius:var(--radius);background:rgba(6,22,34,.7);border:1px solid var(--line)}
.bars h3{font-size:.95rem;margin-bottom:20px}
.bar-row{display:grid;grid-template-columns:170px 1fr 58px;gap:14px;align-items:center;margin-bottom:14px}
.bar-row span{font-size:.85rem;color:var(--muted)}
.bar-row em{font-style:normal;font-size:.85rem;font-weight:700;color:#d9fbff;text-align:right}
.bar{height:8px;border-radius:var(--radius-pill);background:rgba(125,211,252,.14);overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--cyan),var(--mint))}

/* ---------- CHANNELS ---------- */
.channel{
  padding:24px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(7,25,37,.92));
  border:1px solid var(--line);transition:.25s;
}
.channel:hover{border-color:var(--line-strong);box-shadow:0 0 22px rgba(34,211,238,.18)}
.channel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.chan-name{font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#8fe9ff}
.channel h3{margin-bottom:14px}
.spec li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed rgba(125,211,252,.14);font-size:.85rem}
.spec li:last-child{border-bottom:none}
.spec li span{color:var(--dim)}
.spec li b{color:#e6feff;font-weight:700;text-align:right}

/* ---------- RATE TABLE ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,29,43,.6)}
table.rate{width:100%;border-collapse:collapse;min-width:660px}
table.rate th,table.rate td{padding:15px 18px;text-align:left;border-bottom:1px solid rgba(125,211,252,.12);font-size:.9rem}
table.rate th{background:rgba(34,211,238,.08);color:#c7f5ff;font-size:.73rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
table.rate tbody tr:hover{background:rgba(34,211,238,.05)}
table.rate tr:last-child td{border-bottom:none}
table.rate td:first-child{color:#fff;font-weight:700}
table.rate td{color:var(--muted)}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.note{padding:20px;border-radius:var(--radius-sm);background:rgba(6,22,34,.75);border:1px solid var(--line)}
.note b{display:block;color:#e6feff;margin-bottom:6px;font-size:.92rem}
.note span{font-size:.85rem;color:var(--muted)}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding:24px 22px;border-radius:var(--radius);background:rgba(8,29,43,.8);border:1px solid var(--line)}
.step-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));margin-bottom:14px;
}
.step h3{font-size:.98rem;margin-bottom:8px}
.step p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- MILESTONES ---------- */
.mile-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.timeline{position:relative;padding-left:30px;border-left:1px solid rgba(34,211,238,.32);display:grid;gap:28px}
.milestone{position:relative}
.milestone::before{
  content:"";position:absolute;left:-37px;top:7px;width:13px;height:13px;border-radius:50%;
  background:var(--cyan);border:2px solid #04121c;box-shadow:0 0 12px rgba(34,211,238,.85);
}
.milestone b{display:block;font-size:.73rem;letter-spacing:.12em;text-transform:uppercase;color:#a8f0ff;margin-bottom:6px}
.milestone h3{font-size:1rem;margin-bottom:6px}
.milestone p{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- ROOMS ---------- */
.room{
  overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(8,29,43,.85);display:flex;flex-direction:column;transition:.25s;
}
.room:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 24px rgba(34,211,238,.2)}
.room img{width:100%;aspect-ratio:16/9;object-fit:cover}
.room-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:8px}
.room-body h3{margin:0}
.room-body p{font-size:.87rem;color:var(--muted);margin:0;flex:1}
.room-meta{font-size:.78rem;color:#a8f0ff;font-weight:700;letter-spacing:.03em}

/* ---------- NEWS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(8,29,43,.85);transition:.25s;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 22px rgba(34,211,238,.18)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:.72rem;flex-wrap:wrap}
.news-cat{
  padding:4px 10px;border-radius:var(--radius-pill);background:rgba(34,211,238,.12);
  border:1px solid rgba(34,211,238,.3);color:#a8f0ff;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
}
.news-date{color:var(--dim)}
.news-card h3{font-size:.99rem;margin:0;line-height:1.4}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{font-size:.85rem;color:var(--muted);margin:0;flex:1}
.news-more{font-size:.82rem;font-weight:700;color:var(--cyan)}
.news-more:hover{text-decoration:underline}
.news-empty{padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);color:var(--muted);text-align:left;margin:0}

/* ---------- TRUST ---------- */
.trust{padding:22px;border-radius:var(--radius);background:rgba(8,29,43,.72);border:1px solid var(--line);transition:.25s}
.trust:hover{border-color:var(--line-strong)}
.trust .ico{font-size:1.4rem;margin-bottom:10px;display:block}
.trust h3{font-size:.96rem;margin-bottom:6px}
.trust p{font-size:.85rem;color:var(--muted);margin:0}

/* ---------- FAQ + CTA ---------- */
.cta-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:start}
.faq{display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(8,29,43,.75);transition:.22s}
.faq details[open]{border-color:var(--line-strong);box-shadow:0 0 18px rgba(34,211,238,.14)}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;font-size:.94rem;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.25rem;color:var(--cyan);flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq-a{padding:0 20px 18px;font-size:.88rem;color:var(--muted)}
.form-card{
  padding:28px;border-radius:20px;
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.form-card h3{font-size:1.1rem}
.form-card > p{font-size:.88rem;color:var(--muted)}
.field{margin-bottom:15px}
.field label{display:block;font-size:.79rem;font-weight:600;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;background:rgba(4,18,28,.85);
  border:1px solid var(--line);transition:.2s;
}
.field input:hover,.field select:hover{border-color:rgba(34,211,238,.35)}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16);outline:none}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:.75rem;color:var(--dim);margin:12px 0 0}
.form-status{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);font-size:.85rem;color:#c6f7e4}
.form-status.is-on{display:block}
.cta-list{display:grid;gap:10px;margin-top:18px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted)}
.cta-list li::before{content:"✔";color:var(--mint);font-weight:800;flex:0 0 auto}

/* ---------- FOOTER ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,#04121c,#061a26);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-brand p{color:var(--muted);font-size:.88rem;max-width:44ch}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-pay span{
  padding:6px 12px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:700;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);color:#bdf3ff;
}
.footer-col h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#a8f0ff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.88rem;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);font-size:.78rem;color:var(--dim);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;min-height:56px;
  padding:12px 20px 12px 16px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.93),rgba(7,7,13,.93)),linear-gradient(135deg,var(--cyan),var(--mint),var(--pink));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6feff;font-size:.8rem;font-weight:700;letter-spacing:.02em;
  box-shadow:0 0 20px rgba(34,211,238,.45);opacity:.8;
  animation:fabPulse 2.8s ease-in-out infinite;
  transition:transform .22s,box-shadow .22s,opacity .22s;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 32px rgba(34,211,238,.7);animation-play-state:paused}
.fab:active{transform:scale(.96)}
.fab-ico{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);font-size:.78rem;font-weight:800;
}
.fab-dot{
  position:absolute;top:5px;right:12px;width:10px;height:10px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px rgba(244,63,94,.9);animation:dotPulse 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(34,211,238,.32)}50%{box-shadow:0 0 30px rgba(34,211,238,.62)}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero{padding:56px 0 66px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{max-width:none}
  .hero-visual{transform:none}
  .section{padding:62px 0}
  .section-head{grid-template-columns:1fr;gap:16px;align-items:start}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.steps,.news-grid,.note-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .mile-grid{grid-template-columns:1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .header-inner{min-height:auto;padding:10px 0;gap:10px}
  .logo-text{max-width:none;font-size:.85rem}
  .main-nav{order:3;flex:1 0 100%;width:100%}
  .header-actions{margin-left:auto}
}
@media (max-width:768px){
  .kpi-row{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .bars{padding:20px}
  .bar-row{grid-template-columns:120px 1fr 50px;gap:10px}
  .bar-row span{font-size:.8rem}
}
@media (max-width:560px){
  body{font-size:15px}
  .hero{padding:44px 0 54px}
  .kpi-row{grid-template-columns:1fr}
  .stat-grid,.grid-3,.grid-4,.steps,.news-grid,.note-grid,.trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .header-actions .btn-login,.header-actions .btn-signup{padding:8px 12px;font-size:.78rem}
  .fab{left:12px;bottom:80px;padding:11px 16px;font-size:.74rem}
}

/* roulang page: category3 */
:root{
  --bg:#04121c;
  --bg-soft:#071b28;
  --panel:#0a2434;
  --panel-2:#081d2b;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(34,211,238,.45);
  --text:#ecfeff;
  --muted:#9fc3d6;
  --dim:#79a3ba;
  --cyan:#22d3ee;
  --mint:#34d399;
  --gold:#fbbf24;
  --pink:#f43f5e;
  --ink:#04121c;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,10,18,.55);
  --glow:0 0 22px rgba(34,211,238,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  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{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
h1{font-size:clamp(1.85rem,3.5vw,2.75rem);font-weight:800}
h2{font-size:clamp(1.4rem,2.3vw,2rem);font-weight:800}
h3{font-size:1.05rem;font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:min(var(--container),92vw);margin-inline:auto}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,18,28,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  display:grid;place-items:center;color:var(--ink);font-size:19px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-weight:800;font-size:.95rem;line-height:1.2;max-width:240px}
.logo-text small{display:block;font-size:.68rem;font-weight:600;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.main-nav{flex:1 1 auto;min-width:0}
.main-nav ul{display:flex;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;white-space:nowrap;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--muted);transition:.2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.12)}
.nav-link.active{color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint))}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;cursor:pointer;transition:.22s;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
  box-shadow:0 0 16px rgba(34,211,238,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(4,18,28,.6);border-color:var(--line-strong);color:#d9fbff}
.btn-ghost:hover{background:rgba(34,211,238,.15);border-color:var(--cyan)}
.btn-login{padding:9px 14px;font-size:.85rem;font-weight:600;color:#cdeeff;border-radius:10px;border:1px solid rgba(34,211,238,.32);background:transparent;transition:.2s}
.btn-login:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-signup{padding:10px 18px;font-size:.85rem;font-weight:800;border-radius:10px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));box-shadow:0 0 15px rgba(34,211,238,.35);transition:.2s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(34,211,238,.6)}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:62px 0 70px;
  background:
    linear-gradient(105deg,rgba(4,18,28,.97) 6%,rgba(4,18,28,.8) 50%,rgba(4,18,28,.94) 100%),
    url('/assets/images/5d094dd080b6dbf1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
  font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b8f4ff;margin-bottom:18px;
}
.hero h1{max-width:18ch}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--mint) 60%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:62ch;color:var(--muted);font-size:1rem;margin-top:18px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  font-size:.82rem;font-weight:600;color:#cdeeff;padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(7,27,40,.78);
}
.hero-points li::before{content:"✔";color:var(--mint);margin-right:7px}
.hero-panel{
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));
  border:1px solid var(--line-strong);border-radius:22px;padding:22px;
  box-shadow:var(--shadow);
}
.hero-cover{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-bottom:18px}
.hero-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.panel-title{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700;margin-bottom:12px}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.countdown div{background:rgba(34,211,238,.08);border:1px solid var(--line);border-radius:12px;padding:10px 6px;text-align:center}
.countdown strong{display:block;font-size:1.35rem;font-weight:800;color:#b8f4ff;font-variant-numeric:tabular-nums}
.countdown span{font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.hero-panel .btn{width:100%}
.panel-note{margin-top:12px;font-size:.78rem;color:var(--dim)}

/* ---------- SECTIONS ---------- */
.section{padding:74px 0;border-top:1px solid rgba(125,211,252,.08)}
.section--alt{background:linear-gradient(180deg,#061a26,#04121c)}
.section--deep{background:linear-gradient(180deg,#04121c,#071b28)}
.section-head{max-width:72ch;margin-bottom:34px}
.section-head p{color:var(--muted);margin-top:12px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#a8f0ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);margin-bottom:14px;
}
.tag--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.tag--mint{color:#b6f7dd;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ---------- CARDS & METRICS ---------- */
.card{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(6,22,34,.92));
  border:1px solid var(--line);transition:.25s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.92rem}
.tick{display:grid;gap:10px;margin-top:14px}
.tick li{position:relative;padding-left:22px;color:var(--muted);font-size:.9rem}
.tick li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
}
.price-tag{
  display:inline-block;font-size:.74rem;font-weight:800;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.35);color:#ffe6a8;margin-bottom:12px;
}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric{
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.25s;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.metric strong{
  display:block;font-size:1.7rem;font-weight:800;
  background:linear-gradient(120deg,var(--cyan),var(--mint));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem}

/* ---------- WEAPONS ---------- */
.weapon-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:26px;align-items:start}
.weapon-head{
  display:grid;grid-template-columns:1.1fr .7fr 1.2fr 1.4fr;gap:14px;
  padding:0 18px 8px;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--dim);font-weight:700;
}
.weapon-list{display:grid;gap:12px}
.weapon-row{
  display:grid;grid-template-columns:1.1fr .7fr 1.2fr 1.4fr;gap:14px;align-items:center;
  padding:16px 18px;border:1px solid var(--line);border-radius:14px;
  background:rgba(7,27,40,.72);transition:.2s;
}
.weapon-row:hover{border-color:var(--line-strong);background:rgba(10,36,52,.92);transform:translateX(3px)}
.weapon-row .wname{font-weight:700}
.weapon-row .wcost{font-weight:800;color:#ffe6a8;font-variant-numeric:tabular-nums}
.weapon-row .wtarget,.weapon-row .wnote{color:var(--muted);font-size:.88rem}
.aside-panel{
  border:1px solid var(--line-strong);border-radius:18px;padding:22px;
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));box-shadow:var(--shadow);
}
.aside-panel h3{margin-bottom:14px}
.aside-list{display:grid;gap:12px}
.aside-list li{
  padding:13px 15px;border-radius:12px;background:rgba(34,211,238,.07);
  border:1px solid var(--line);font-size:.87rem;color:var(--muted);
}
.aside-list strong{display:block;color:#e8feff;font-size:.93rem;margin-bottom:3px}

/* ---------- TOPICS ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(7,27,40,.8);transition:.25s;
}
.topic:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 34px rgba(2,10,18,.6)}
.topic img{width:100%;aspect-ratio:4/3;object-fit:cover}
.topic-body{padding:18px}
.topic-body h3{font-size:1rem;margin-bottom:8px}
.topic-body p{color:var(--muted);font-size:.87rem}

/* ---------- COMPARE ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(7,27,40,.75)}
.compare-col.is-best{
  border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));
  box-shadow:var(--glow);
}
.compare-col h3{margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge-best{
  font-size:.66rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 9px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
}
.compare-note{
  margin-top:22px;padding:18px 22px;border-radius:14px;
  border:1px dashed rgba(34,211,238,.4);color:#cdeeff;font-size:.92rem;background:rgba(34,211,238,.06);
}

/* ---------- PAYMENT ---------- */
.pay-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}
.pay-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pay-chips span{
  font-size:.76rem;font-weight:700;padding:7px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);color:#b8f4ff;background:rgba(34,211,238,.08);
}
.pay-panel{
  border:1px solid var(--line-strong);border-radius:18px;padding:22px;
  background:linear-gradient(160deg,rgba(10,36,52,.96),rgba(6,22,34,.96));box-shadow:var(--shadow);
}
.pay-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(125,211,252,.18);font-size:.9rem}
.pay-row:last-child{border-bottom:0}
.pay-row span{color:var(--muted)}
.pay-row b{color:#e8feff;font-weight:700}

/* ---------- POSTS ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(7,27,40,.8);display:flex;flex-direction:column;transition:.25s;
}
.post:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 34px rgba(2,10,18,.6)}
.post img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-meta{font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;color:#a8f0ff;font-weight:700}
.post-body h3{font-size:1rem}
.post-body h3 a:hover{color:var(--cyan)}
.post-body p{color:var(--muted);font-size:.88rem}
.post-date{font-size:.78rem;color:var(--dim);margin-top:auto}
.empty-note{padding:24px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  border:1px solid var(--line);border-radius:14px;background:rgba(7,27,40,.7);
  padding:0 20px;transition:.2s;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(10,36,52,.9)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 0;font-weight:700;font-size:1rem;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--cyan);font-weight:700;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 18px;color:var(--muted);font-size:.92rem;max-width:82ch}

/* ---------- CTA ---------- */
.cta-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;padding:38px;
  border-radius:24px;border:1px solid var(--line-strong);
  background:
    linear-gradient(150deg,rgba(10,36,52,.95),rgba(4,18,28,.97)),
    url('/assets/images/5a28461d5a966b75.jpg') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.cta-copy h2{margin-bottom:14px}
.cta-copy p{color:var(--muted);max-width:56ch}
.cta-copy .hero-points{margin-top:20px}
.cta-form{display:grid;gap:12px}
.cta-form label{font-size:.82rem;font-weight:600;color:#cdeeff}
.cta-form input,.cta-form select{
  width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:rgba(4,18,28,.88);color:var(--text);transition:.2s;
}
.cta-form input:hover,.cta-form select:hover{border-color:rgba(34,211,238,.35)}
.cta-form input:focus,.cta-form select:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.form-note{font-size:.78rem;color:var(--dim)}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;min-height:52px;padding:12px 18px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  background:
    linear-gradient(rgba(6,18,28,.9),rgba(6,18,28,.9)) padding-box,
    linear-gradient(135deg,var(--cyan),var(--mint)) border-box;
  color:#e8feff;font-size:.82rem;font-weight:700;opacity:.85;
  box-shadow:0 0 20px rgba(6,182,212,.45);backdrop-filter:blur(10px);transition:.25s;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(34,211,238,.7)}
.fab:active{transform:scale(.96)}
.fab-icon{font-size:1.05rem}
.fab-dot{width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 10px var(--pink);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}

/* ---------- FOOTER ---------- */
.site-footer{background:linear-gradient(180deg,#04121c,#020c14);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:.9rem;max-width:46ch}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pay span{
  font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:var(--radius-pill);
  border:1px solid var(--line);color:#b8f4ff;background:rgba(34,211,238,.08);
}
.footer-col h4{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:#cdeeff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{color:var(--muted);font-size:.9rem;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  color:var(--dim);font-size:.8rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid,.weapon-layout,.pay-layout,.cta-wrap{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid,.grid-4{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;row-gap:10px;padding:10px 0}
  .main-nav{order:3;flex:1 1 100%}
  .main-nav ul{justify-content:flex-start}
  .header-actions{margin-left:auto}
  .weapon-head{display:none}
  .weapon-row{grid-template-columns:1fr;gap:6px}
  .weapon-row .wcost::before{content:"Mức đạn: ";color:var(--dim);font-weight:600}
  .weapon-row .wtarget::before{content:"Mục tiêu: ";color:var(--dim);font-weight:600}
  .weapon-row .wnote::before{content:"Ghi chú: ";color:var(--dim);font-weight:600}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-2,.grid-3,.grid-4,.compare{grid-template-columns:1fr}
  .cta-wrap{padding:26px}
  .hero{padding:48px 0 56px}
}
@media (max-width:520px){
  .metric-grid,.topic-grid,.post-grid,.footer-grid{grid-template-columns:1fr}
  .logo-text{font-size:.86rem;max-width:180px}
  .btn-login{padding:8px 11px;font-size:.8rem}
  .btn-signup{padding:9px 14px;font-size:.8rem}
  .fab{bottom:84px;padding:11px 15px;font-size:.78rem}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --bg:#04121c;
  --bg-soft:#071b28;
  --panel:#0a2434;
  --panel-2:#081d2b;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(34,211,238,.45);
  --text:#ecfeff;
  --muted:#9fc3d6;
  --dim:#79a3ba;
  --cyan:#22d3ee;
  --mint:#34d399;
  --gold:#fbbf24;
  --pink:#f43f5e;
  --ink:#04121c;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 45px rgba(2,10,18,.55);
  --glow:0 0 22px rgba(34,211,238,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800}
p{margin:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:min(var(--container),92vw);margin-inline:auto}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,18,28,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  display:grid;place-items:center;color:var(--ink);font-size:19px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-weight:800;font-size:.95rem;line-height:1.2;max-width:250px}
.logo-text small{display:block;font-size:.68rem;font-weight:600;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.main-nav{flex:1 1 auto;min-width:0}
.main-nav ul{display:flex;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none;list-style:none;padding:0}
.main-nav ul::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;white-space:nowrap;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--muted);transition:.2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.12)}
.nav-link.active{color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint))}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;cursor:pointer;transition:.22s;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
  box-shadow:0 0 16px rgba(34,211,238,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(4,18,28,.6);border-color:var(--line-strong);color:#d9fbff}
.btn-ghost:hover{background:rgba(34,211,238,.15);border-color:var(--cyan)}
.btn-sm{padding:9px 15px;font-size:.82rem}
.btn-login{padding:9px 14px;font-size:.85rem;font-weight:600;color:#cdeeff;border-radius:10px;border:1px solid rgba(34,211,238,.32);background:transparent;transition:.2s}
.btn-login:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-signup{padding:10px 18px;font-size:.85rem;font-weight:800;border-radius:10px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--mint));box-shadow:0 0 15px rgba(34,211,238,.35);transition:.2s}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(34,211,238,.6)}

/* ---------- ARTICLE HERO ---------- */
.article-hero{
  position:relative;padding:52px 0 58px;
  background:
    linear-gradient(105deg,rgba(4,18,28,.97) 10%,rgba(4,18,28,.82) 55%,rgba(4,18,28,.94) 100%),
    url('/assets/images/52199d656386131c.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--dim);margin-bottom:20px}
.breadcrumb a{color:var(--muted);transition:.2s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span.sep{color:rgba(125,211,252,.4)}
.breadcrumb .current{color:#cdeeff;font-weight:600}
.article-hero h1{font-size:clamp(1.7rem,3.6vw,2.7rem);max-width:24ch;margin-bottom:16px}
.article-hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--mint) 62%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.article-lead{max-width:76ch;color:var(--muted);font-size:1.03rem}
.meta-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--radius-pill);
  background:rgba(10,36,52,.8);border:1px solid var(--line);
  font-size:.78rem;font-weight:600;color:#c7eefb;
}
.meta-chip--accent{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:#b8f4ff}
.featured-figure{
  margin:32px 0 0;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.featured-figure img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- SECTIONS ---------- */
.section{padding:70px 0;border-top:1px solid rgba(125,211,252,.08)}
.section--alt{background:linear-gradient(180deg,#061a26,#04121c)}
.section--deep{background:linear-gradient(180deg,#04121c,#071b28)}
.section-head{max-width:70ch;margin-bottom:34px}
.section-head h2{font-size:clamp(1.35rem,2.4vw,1.85rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:.96rem}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#a8f0ff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);margin-bottom:14px;
}
.tag--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.tag--mint{color:#b6f7dd;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(6,22,34,.94));
  border:1px solid var(--line);transition:.25s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:1.06rem;margin-bottom:10px;color:#e6fdff}
.card p{color:var(--muted);font-size:.92rem}
.card .card-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.icon-badge{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
}
.icon-badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35)}
.icon-badge--mint{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35)}
.list-check{list-style:none;padding:0;display:grid;gap:12px;margin-top:16px}
.list-check li{position:relative;padding-left:30px;color:var(--muted);font-size:.93rem}
.list-check li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;font-size:.72rem;font-weight:800;
  background:linear-gradient(135deg,var(--cyan),var(--mint));color:var(--ink);
}

/* ---------- ARTICLE LAYOUT ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-body{max-width:100%}
.article-body h2{
  font-size:1.42rem;margin:34px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);
}
.article-body h3{font-size:1.12rem;margin:26px 0 10px;color:#d8f7ff}
.article-body h4{font-size:1rem;margin:20px 0 8px;color:#cdeeff}
.article-body p{margin:0 0 16px;color:var(--muted);line-height:1.75}
.article-body ul,.article-body ol{padding-left:22px;color:var(--muted);margin:0 0 18px}
.article-body li{margin-bottom:9px;line-height:1.7}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--mint)}
.article-body strong{color:#eaffff}
.article-body img{border-radius:14px;border:1px solid var(--line);margin:20px 0}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--gold);
  background:rgba(251,191,36,.07);border-radius:0 14px 14px 0;color:#ffe9bd;
}
.article-body table{width:100%;border-collapse:collapse;font-size:.92rem;margin:22px 0}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(34,211,238,.08);color:#d8f7ff;font-weight:700}
.article-body td{color:var(--muted)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:.8rem;color:var(--dim);margin-top:8px}

.aside-stack{display:grid;gap:18px;position:sticky;top:96px}
.aside-card{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.95),rgba(6,22,34,.95));
  border:1px solid var(--line);
}
.aside-card h3{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:#bfe9f7;margin-bottom:16px}
.fact-list{list-style:none;padding:0;display:grid;gap:12px}
.fact-list li{display:flex;justify-content:space-between;gap:12px;font-size:.88rem;color:var(--muted);border-bottom:1px dashed rgba(125,211,252,.16);padding-bottom:10px}
.fact-list li:last-child{border-bottom:0;padding-bottom:0}
.fact-list b{color:#e6fdff;font-weight:700}
.aside-card .btn{width:100%;margin-top:16px}

/* ---------- STATS ---------- */
.stat-card{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.92));
  border:1px solid var(--line);
}
.stat-card .num{font-size:1.75rem;font-weight:800;color:#eaffff;line-height:1.15}
.stat-card .num span{color:var(--cyan)}
.stat-card .lbl{font-size:.82rem;color:var(--dim);margin-top:8px;font-weight:600}

/* ---------- SPEC TABLE ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.92));
}
table.spec{width:100%;border-collapse:collapse;min-width:640px}
table.spec th,table.spec td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line)}
table.spec thead th{
  font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:#bfe9f7;
  background:rgba(34,211,238,.08);font-weight:700;
}
table.spec tbody tr:hover{background:rgba(34,211,238,.05)}
table.spec td{color:var(--muted)}
table.spec td strong{color:#eaffff}
.pill{
  display:inline-block;padding:4px 10px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;color:#b6f7dd;background:rgba(52,211,153,.12);
  border:1px solid rgba(52,211,153,.32);
}
.pill--gold{color:#ffe6a8;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34)}
.pill--cyan{color:#b8f4ff;background:rgba(34,211,238,.12);border-color:var(--line-strong)}

/* ---------- GALLERY ---------- */
.gallery{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
.gallery figure{margin:0;flex:0 0 min(380px,82%);scroll-snap-align:start;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel-2)}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.35s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{padding:14px 16px;font-size:.86rem;color:var(--muted)}
.gallery::-webkit-scrollbar{height:8px}
.gallery::-webkit-scrollbar-thumb{background:rgba(34,211,238,.35);border-radius:8px}

/* ---------- STEPS ---------- */
.step-list{list-style:none;padding:0;display:grid;gap:18px;counter-reset:step}
.step-list li{
  position:relative;padding:20px 22px 20px 66px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(10,36,52,.88),rgba(6,22,34,.9));
  border:1px solid var(--line);
}
.step-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;font-size:.8rem;font-weight:800;color:var(--ink);
  background:linear-gradient(135deg,var(--cyan),var(--mint));
}
.step-list h3{font-size:1rem;margin-bottom:6px}
.step-list p{color:var(--muted);font-size:.92rem}

/* ---------- POST LIST ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(160deg,rgba(10,36,52,.92),rgba(6,22,34,.94));
  border:1px solid var(--line);transition:.25s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.35s}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px}
.post-body h3{font-size:1rem;color:#e6fdff}
.post-body p{color:var(--muted);font-size:.88rem}
.post-body .post-meta{font-size:.75rem;color:var(--dim);font-weight:600;letter-spacing:.04em;text-transform:uppercase}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-list details{
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(10,36,52,.9),rgba(6,22,34,.92));
  padding:18px 22px;transition:.22s;
}
.faq-list details[open]{border-color:var(--line-strong);box-shadow:0 0 18px rgba(34,211,238,.14)}
.faq-list summary{
  cursor:pointer;font-weight:700;font-size:.98rem;color:#e6fdff;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--cyan);font-size:1.2rem;font-weight:800;line-height:1}
.faq-list details[open] summary::after{content:"–"}
.faq-list p{margin-top:12px;color:var(--muted);font-size:.92rem}

/* ---------- CTA ---------- */
.cta-panel{
  border-radius:22px;padding:34px;
  background:
    linear-gradient(120deg,rgba(4,18,28,.94),rgba(6,26,38,.92)),
    url('/assets/images/5d094dd080b6dbf1.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.3rem,2.3vw,1.8rem);margin-bottom:12px}
.cta-panel p{color:var(--muted);font-size:.95rem}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pay-row span{
  font-size:.76rem;font-weight:700;padding:7px 12px;border-radius:9px;
  background:rgba(34,211,238,.1);border:1px solid var(--line);color:#c7f2ff;
}
.cta-form{display:grid;gap:14px;background:rgba(4,18,28,.72);padding:24px;border-radius:var(--radius);border:1px solid var(--line)}
.field{display:grid;gap:7px}
.field label{font-size:.8rem;font-weight:600;color:#cdeeff}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;
  background:rgba(8,29,43,.9);border:1px solid var(--line);color:var(--text);
  transition:.2s;
}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.14);outline:none}
.form-note{font-size:.82rem;color:var(--mint);min-height:18px}

/* ---------- EMPTY STATE ---------- */
.empty-state{
  padding:46px 30px;border-radius:var(--radius);text-align:center;
  border:1px dashed var(--line-strong);background:rgba(10,36,52,.6);
}
.empty-state h2{font-size:1.25rem;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,#04121c,#061a26);
  border-top:1px solid var(--line);padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:.92rem;max-width:46ch}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pay span{
  font-size:.74rem;font-weight:700;padding:6px 11px;border-radius:8px;
  background:rgba(34,211,238,.1);border:1px solid var(--line);color:#c7f2ff;
}
.footer-col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:#bfe9f7;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;display:grid;gap:9px}
.footer-col a{color:var(--muted);font-size:.9rem;transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--dim);font-size:.82rem;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  min-height:52px;padding:12px 16px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.8);backdrop-filter:blur(14px);
  border:1px solid rgba(34,211,238,.55);color:#dffaff;
  font-size:.84rem;font-weight:700;opacity:.85;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  animation:fabFloat 3.6s ease-in-out infinite;
  transition:.25s;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 32px rgba(34,211,238,.72)}
.fab:active{transform:scale(.96)}
.fab-dot{width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 9px var(--pink);animation:dotPulse 1.6s ease-in-out infinite}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes dotPulse{50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:30px}
  .aside-stack{position:static;grid-template-columns:repeat(2,1fr);display:grid}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .post-list{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:768px){
  .header-inner{gap:12px;min-height:68px;padding:10px 0}
  .logo-text{font-size:.86rem;max-width:180px}
  .logo-text small{display:none}
  .main-nav{order:3;flex:1 1 100%}
  .main-nav ul{gap:2px}
  .nav-link{padding:8px 11px;font-size:.84rem}
  .header-actions{margin-left:auto}
  .btn-login{padding:8px 11px;font-size:.78rem}
  .btn-signup{padding:9px 13px;font-size:.78rem}
  .section{padding:52px 0}
  .article-hero{padding:38px 0 44px}
  .featured-figure img{aspect-ratio:16/10}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .aside-stack{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .cta-panel{padding:24px}
  .fab{left:12px;bottom:84px;padding:11px 14px;font-size:.78rem}
}
@media (max-width:520px){
  body{font-size:15px}
  .article-hero h1{font-size:1.5rem}
  .hero-cta .btn,.cta-form .btn{width:100%}
  .stat-card .num{font-size:1.5rem}
  .step-list li{padding:18px 18px 18px 58px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:.76rem}
  .fab span.fab-text{display:none}
  .fab{padding:14px}
}