/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0b1830;
  --surface:rgba(13,25,48,.72);
  --surface-2:rgba(17,32,60,.9);
  --border:rgba(96,165,250,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --dim:#64748b;
  --amber:#fbbf24;
  --green:#34d399;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 20px 55px -22px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:700}
h1{font-size:clamp(1.65rem,3.2vw,2.6rem);line-height:1.22;letter-spacing:-.015em}
h2{font-size:clamp(1.35rem,2.5vw,2rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.28rem)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:84px 0;position:relative}
.section-tight{padding:56px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.75) 0%,rgba(3,7,18,0) 100%)}
.section-alt-2{background:linear-gradient(0deg,rgba(8,18,41,.75) 0%,rgba(3,7,18,0) 100%)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent);border:0;margin:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8 65%,#0ea5e9);
  display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:color .22s,background .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-menu a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-menu a.active{
  color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border-color:var(--border-strong);
  box-shadow:0 0 18px rgba(56,189,248,.18) inset;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;
  color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent;
  transition:background .22s,color .22s,transform .22s;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff;transform:translateY(-1px)}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:.86rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.5);
  transition:transform .22s,box-shadow .22s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.85)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--border-strong);
  color:var(--cyan);cursor:pointer;font-size:1rem;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s,box-shadow .26s,background .26s,color .26s;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#04101f;
  box-shadow:0 0 0 1px rgba(56,189,248,.45),0 14px 34px -12px rgba(56,189,248,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(56,189,248,.7),0 20px 44px -14px rgba(56,189,248,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(56,189,248,.08);
  border-color:var(--border-strong);
  color:#dbeafe;
}
.btn-ghost:hover{background:rgba(56,189,248,.17);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:.85rem}

/* ---------- Eyebrow / Section head ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  color:var(--cyan);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  margin-bottom:16px;
}
.sec-head{max-width:780px;margin-bottom:42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head p{color:var(--muted);margin:0}
.sec-lead{color:var(--muted);font-size:1rem;max-width:820px}

/* ---------- Glass ---------- */
.glass{
  background:linear-gradient(160deg,rgba(17,32,60,.82),rgba(8,18,41,.72));
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:74px 0 78px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/f54200549121a2f7.jpg');
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 22%,rgba(37,99,235,.42),transparent 58%),
    radial-gradient(circle at 84% 78%,rgba(56,189,248,.28),transparent 55%),
    linear-gradient(180deg,rgba(3,7,18,.86),rgba(3,7,18,.97));
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-lead{color:#cbd5e1;font-size:1rem;line-height:1.7;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.hero-stat{
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.07);
  border:1px solid var(--border);
}
.hero-stat b{display:block;font-size:1.2rem;font-weight:800;color:#e0f2fe;letter-spacing:-.02em}
.hero-stat span{font-size:.76rem;color:var(--muted);letter-spacing:.04em}

.quiz-panel{
  padding:26px 24px 22px;
  border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(17,32,60,.92),rgba(6,13,30,.92));
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow),0 0 40px -18px rgba(56,189,248,.6);
}
.quiz-panel h3{font-size:1.02rem;margin-bottom:4px}
.quiz-panel .quiz-note{font-size:.82rem;color:var(--muted);margin-bottom:18px}
.quiz-step{margin-bottom:16px}
.quiz-step>span{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:9px;font-weight:600}
.quiz-options{display:flex;flex-wrap:wrap;gap:8px}
.quiz-chip{
  padding:8px 14px;border-radius:999px;font-size:.83rem;
  border:1px solid var(--border);background:rgba(56,189,248,.06);
  color:#cbd5e1;cursor:pointer;transition:all .2s;
}
.quiz-chip:hover{border-color:var(--border-strong);color:#fff;background:rgba(56,189,248,.15)}
.quiz-chip.on{
  background:linear-gradient(135deg,rgba(37,99,235,.65),rgba(56,189,248,.5));
  border-color:var(--cyan);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.45);
}
.quiz-result{
  margin:6px 0 16px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px dashed rgba(56,189,248,.35);
  font-size:.85rem;color:#bae6fd;line-height:1.6;
}
.quiz-result b{color:#fff}

/* ---------- Stats bar ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.stats-bar li{padding:24px 20px;background:rgba(6,13,30,.9);text-align:left}
.stats-bar b{display:block;font-size:1.55rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-bar span{font-size:.83rem;color:var(--muted)}

/* ---------- Grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Feature cards ---------- */
.feature{padding:26px 24px;border-radius:var(--radius);position:relative;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.feature::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.55;
}
.feature:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 32px -12px rgba(56,189,248,.7)}
.feature i{font-size:1.15rem;color:var(--cyan);margin-bottom:14px;display:block}
.feature h3{font-size:1.02rem;margin-bottom:8px}
.feature p{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- Mechanism ---------- */
.mech-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.mech-item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--border)}
.mech-item:last-child{border-bottom:0}
.mech-num{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.mech-item h3{font-size:1rem;margin-bottom:8px}
.mech-item p{font-size:.88rem;color:var(--muted);margin:0}
.mech-visual{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow),0 0 50px -22px rgba(56,189,248,.7);
  position:relative;
}
.mech-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.mech-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(3,7,18,.96),transparent);
  font-size:.85rem;color:#cbd5e1;
}

/* ---------- Pain points ---------- */
.pain-list{display:grid;gap:14px}
.pain{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:20px 22px;border-radius:var(--radius);
  background:rgba(8,18,41,.7);border:1px solid var(--border);
  transition:border-color .25s,transform .25s;
}
.pain:hover{border-color:var(--border-strong);transform:translateX(4px)}
.pain-idx{
  font-weight:800;font-size:.9rem;color:var(--cyan);
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--border-strong);background:rgba(56,189,248,.08);
}
.pain h3{font-size:.98rem;margin-bottom:6px}
.pain p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- Scenario ---------- */
.scene{padding:28px 24px;border-radius:var(--radius);transition:transform .25s,box-shadow .25s,border-color .25s}
.scene:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 34px -14px rgba(56,189,248,.75)}
.scene h3{font-size:1rem;margin-bottom:10px}
.scene p{font-size:.87rem;color:var(--muted);margin-bottom:14px}
.scene .tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- Tags / badges ---------- */
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:.74rem;font-weight:600;letter-spacing:.03em;
  background:rgba(56,189,248,.12);color:#7dd3fc;
  border:1px solid rgba(56,189,248,.28);
}
.tag-green{background:rgba(52,211,153,.12);color:#6ee7b7;border-color:rgba(52,211,153,.3)}
.tag-amber{background:rgba(251,191,36,.12);color:#fcd34d;border-color:rgba(251,191,36,.3)}

/* ---------- Demo stage ---------- */
.stage{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.stage-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.stage-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.stage-list{display:grid;gap:16px;margin-top:6px}
.stage-list li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.stage-list i{color:var(--cyan);margin-top:5px}
.stage-list b{display:block;font-size:.94rem;margin-bottom:3px}
.stage-list span{font-size:.85rem;color:var(--muted)}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:grid;gap:0;border-left:2px solid rgba(56,189,248,.28);margin-left:10px}
.tl-item{position:relative;padding:0 0 30px 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--cyan);box-shadow:0 0 16px rgba(56,189,248,.8);
}
.tl-time{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);font-weight:700}
.tl-item h3{font-size:1rem;margin:6px 0 8px}
.tl-item p{font-size:.87rem;color:var(--muted);margin:0}

/* ---------- Cases ---------- */
.case{padding:0;border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.case:hover{transform:translateY(-5px);box-shadow:0 0 34px -14px rgba(56,189,248,.7)}
.case img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-body{padding:22px}
.case-body h3{font-size:.98rem;margin-bottom:8px}
.case-body p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- Tier compare ---------- */
.tier{padding:26px 24px;border-radius:var(--radius);display:flex;flex-direction:column;gap:14px;position:relative;transition:transform .25s,border-color .25s}
.tier:hover{transform:translateY(-5px);border-color:var(--border-strong)}
.tier.hot{border-color:var(--border-strong);box-shadow:0 0 40px -16px rgba(56,189,248,.85)}
.tier .ribbon{
  position:absolute;top:16px;right:16px;font-size:.68rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 10px;border-radius:999px;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#04101f;
}
.tier h3{font-size:1rem;margin:0}
.tier ul{display:grid;gap:9px;font-size:.86rem;color:var(--muted)}
.tier ul li{display:flex;gap:9px;align-items:flex-start}
.tier ul i{color:var(--green);margin-top:4px;font-size:.78rem}
.tier .price{font-size:1.25rem;font-weight:800;color:#e0f2fe;letter-spacing:-.02em}
.tier .price small{font-size:.75rem;color:var(--muted);font-weight:500;display:block;letter-spacing:0}

/* ---------- Reviews ---------- */
.review{padding:24px;border-radius:var(--radius);display:flex;flex-direction:column;gap:12px}
.review .stars{color:#fbbf24;font-size:.82rem;letter-spacing:2px}
.review p{font-size:.88rem;color:#cbd5e1;margin:0;flex:1}
.review .who{display:flex;align-items:center;gap:11px;padding-top:12px;border-top:1px solid var(--border)}
.review .avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:.82rem;color:#04101f;
  background:linear-gradient(140deg,#60a5fa,#38bdf8);
}
.review .who b{display:block;font-size:.86rem}
.review .who span{font-size:.74rem;color:var(--dim)}

/* ---------- Category wall ---------- */
.cat-card{
  display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center;
  padding:18px;border-radius:var(--radius);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 30px -14px rgba(56,189,248,.8)}
.cat-card img{width:120px;height:88px;object-fit:cover;border-radius:12px}
.cat-card h3{font-size:.98rem;margin-bottom:6px}
.cat-card p{font-size:.84rem;color:var(--muted);margin:0}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(17,32,60,.82),rgba(8,18,41,.72));
  border:1px solid var(--border);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 30px -14px rgba(56,189,248,.8)}
.news-card h3{font-size:.96rem;margin:12px 0 9px;line-height:1.45}
.news-card p{font-size:.84rem;color:var(--muted);margin:0 0 14px;flex:1}
.news-card time{font-size:.75rem;color:var(--dim);letter-spacing:.04em}
.news-empty{
  padding:34px 22px;text-align:center;border-radius:var(--radius);
  border:1px dashed rgba(56,189,248,.32);color:var(--muted);font-size:.9rem;
  background:rgba(8,18,41,.55);
}

/* ---------- CTA ---------- */
.cta-band{
  padding:52px 44px;border-radius:var(--radius-lg);text-align:center;
  background:
    radial-gradient(circle at 20% 20%,rgba(37,99,235,.42),transparent 58%),
    radial-gradient(circle at 82% 80%,rgba(56,189,248,.32),transparent 55%),
    linear-gradient(150deg,rgba(13,25,48,.95),rgba(4,10,24,.95));
  border:1px solid var(--border-strong);
  box-shadow:0 0 60px -22px rgba(56,189,248,.9);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:#cbd5e1;max-width:680px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;justify-content:center}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(6,13,30,.98));
  border-top:1px solid var(--border);
  padding:64px 0 26px;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{font-size:.86rem;color:var(--muted);max-width:330px;margin:14px 0 0}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#e2e8f0;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:.86rem;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-chip{
  padding:6px 12px;border-radius:9px;font-size:.76rem;font-weight:600;
  border:1px solid var(--border);background:rgba(56,189,248,.07);color:#93c5fd;
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.8rem;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(56,189,248,.4);color:var(--cyan);font-size:.72rem;font-weight:800;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px 12px 16px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,26,.9),rgba(7,12,26,.9)),
                   linear-gradient(120deg,#38bdf8,#2563eb,#0ea5e9);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  font-size:.82rem;font-weight:700;color:#e0f2fe;
  opacity:.78;
  transition:opacity .22s,transform .22s,box-shadow .22s;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.9)}
.fab:active{transform:scale(.96)}
.fab i{font-size:1rem;color:#38bdf8;animation:fabFlicker 2.4s infinite}
.fab-dot{
  position:absolute;top:4px;right:6px;width:9px;height:9px;border-radius:50%;
  background:#38bdf8;box-shadow:0 0 10px #38bdf8;
  animation:fabPulse 1.4s infinite;
}
@keyframes fabPulse{0%,100%{opacity:.78}50%{opacity:1}}
@keyframes fabFlicker{0%,100%{opacity:1}48%{opacity:.55}52%{opacity:1}}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .stage{grid-template-columns:1fr;gap:28px}
  .mech-grid{grid-template-columns:1fr;gap:28px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px;
    background:rgba(5,11,25,.985);
    border-bottom:1px solid var(--border-strong);
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
}
@media screen and (max-width:768px){
  .section{padding:62px 0}
  .hero{padding:52px 0 58px}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .cta-band{padding:38px 22px}
  .cta-actions .btn{width:100%}
  .hero-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .stats-bar{grid-template-columns:1fr 1fr}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cat-card{grid-template-columns:1fr;gap:14px}
  .cat-card img{width:100%;height:150px}
  .mech-item{grid-template-columns:1fr;gap:12px}
  .pain{grid-template-columns:1fr;gap:12px}
  .brand-text b{font-size:.92rem}
  .btn-signup,.btn-login{padding:8px 13px;font-size:.78rem}
  .quiz-panel{padding:22px 18px}
  .fab{bottom:88px;left:12px;padding:11px 16px 11px 13px;font-size:.76rem}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0b1830;
  --surface:rgba(13,25,48,.72);
  --surface-2:rgba(17,32,60,.9);
  --border:rgba(96,165,250,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --dim:#64748b;
  --amber:#fbbf24;
  --green:#34d399;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 20px 55px -22px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(circle at 12% -10%,rgba(37,99,235,.28),transparent 52%),
    radial-gradient(circle at 92% 6%,rgba(56,189,248,.16),transparent 46%),
    var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -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:1.28;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.9rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.22rem)}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:80px 0;position:relative}
.section-tight{padding:52px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.section-alt-2{background:linear-gradient(0deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent);border:0;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  color:var(--cyan);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  margin-bottom:16px;
}
.sec-head{margin-bottom:34px}
.sec-head p{color:var(--muted);max-width:760px;margin:12px 0 0;font-size:.98rem}
/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8 65%,#0ea5e9);
  display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:color .22s,background .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-menu a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-menu a.active{
  color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border-color:var(--border-strong);
  box-shadow:0 0 18px rgba(56,189,248,.18) inset;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;
  color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent;
  transition:background .22s,color .22s,transform .22s;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff;transform:translateY(-1px)}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:.86rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.5);
  transition:transform .22s,box-shadow .22s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.85)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--border-strong);
  color:var(--cyan);cursor:pointer;font-size:1rem;
}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s,box-shadow .26s,background .26s,color .26s;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#04101f;
  box-shadow:0 0 0 1px rgba(56,189,248,.45),0 14px 34px -12px rgba(56,189,248,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(56,189,248,.7),0 20px 44px -14px rgba(56,189,248,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(56,189,248,.08);
  border-color:var(--border-strong);
  color:#dbeafe;
}
.btn-ghost:hover{background:rgba(56,189,248,.17);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:.85rem}
/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:44px 0 60px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/24840e447798b4c6.jpg');
  background-size:cover;background-position:center 35%;
  opacity:.28;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 16% 14%,rgba(37,99,235,.44),transparent 58%),
    radial-gradient(circle at 88% 82%,rgba(56,189,248,.24),transparent 52%),
    linear-gradient(180deg,rgba(3,7,18,.88),rgba(3,7,18,.98));
}
.article-hero-inner{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8rem;color:var(--dim);margin-bottom:22px;
}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--cyan)}
.crumbs i{font-size:.6rem;color:var(--dim)}
.article-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.32);background:rgba(56,189,248,.09);color:var(--cyan);
}
.tag-gold{border-color:rgba(251,191,36,.35);background:rgba(251,191,36,.09);color:var(--amber)}
.article-hero h1{max-width:940px;margin-bottom:18px}
.article-hero .article-lead{
  color:#cbd5e1;font-size:1rem;max-width:800px;line-height:1.7;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  margin-top:28px;padding-top:22px;
  border-top:1px solid var(--border);
  font-size:.84rem;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--cyan)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-badges .chip{
  font-size:.78rem;font-weight:600;padding:8px 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);color:#dbeafe;
}
.hero-badges .chip i{color:var(--green);margin-right:6px}
/* ---------- Article body ---------- */
.article-shell{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:38px clamp(20px,4vw,52px);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.article-content{font-size:1rem;color:#dbe3ee}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  font-size:clamp(1.25rem,2.1vw,1.6rem);
  margin:1.8em 0 .6em;padding-left:16px;
  border-left:3px solid var(--cyan);
}
.article-content h3{font-size:1.12rem;margin:1.6em 0 .5em;color:#e8f2ff}
.article-content h4{font-size:1rem;margin:1.4em 0 .45em;color:#e8f2ff}
.article-content p{margin:0 0 1.05em;line-height:1.72}
.article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.2em}
.article-content li{margin-bottom:.5em;line-height:1.68}
.article-content li::marker{color:var(--cyan)}
.article-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#a5e8ff}
.article-content img{border-radius:var(--radius);margin:1.5em 0;border:1px solid var(--border)}
.article-content blockquote{
  margin:1.5em 0;padding:16px 20px;
  border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#cbd5e1;
}
.article-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.92rem}
.article-content th,.article-content td{
  border:1px solid var(--border);padding:11px 14px;text-align:left;
}
.article-content th{background:rgba(56,189,248,.1);color:#e0f2fe;font-weight:700}
.article-content code{
  background:rgba(56,189,248,.12);padding:2px 7px;border-radius:6px;
  font-size:.9em;color:#a5e8ff;
}
.empty-state{text-align:left;padding:12px 0 6px}
.empty-state h2{margin-bottom:14px}
.empty-state p{color:var(--muted)}
/* ---------- Spec data ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.spec-card{
  padding:22px 22px 24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--surface);
  transition:transform .24s,border-color .24s,box-shadow .24s;
}
.spec-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
.spec-card i{color:var(--cyan);font-size:1.2rem;margin-bottom:12px;display:block}
.spec-card b{display:block;font-size:1.55rem;font-weight:800;color:#e8f2ff;letter-spacing:-.03em}
.spec-card span{display:block;font-size:.84rem;color:var(--muted);margin-top:6px}
/* ---------- Key points ---------- */
.point-list{display:grid;gap:0;border-top:1px solid var(--border)}
.point-item{
  display:grid;grid-template-columns:56px 1fr;
  gap:20px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--border);
}
.point-item .num{
  font-size:.85rem;font-weight:800;color:var(--cyan);
  border:1px solid var(--border-strong);border-radius:12px;
  width:56px;height:56px;display:grid;place-items:center;
  background:rgba(56,189,248,.08);
}
.point-item h3{margin-bottom:8px}
.point-item p{color:var(--muted);font-size:.94rem;margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--surface);
  padding:22px 24px;
  transition:border-color .24s,background .24s;
}
.faq-item:hover{border-color:var(--border-strong);background:var(--surface-2)}
.faq-item h3{display:flex;gap:12px;align-items:flex-start;margin-bottom:10px;font-size:1.02rem}
.faq-item h3 i{color:var(--cyan);margin-top:4px;font-size:.9rem}
.faq-item p{margin:0;color:var(--muted);font-size:.94rem}
/* ---------- Final CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    radial-gradient(circle at 82% 22%,rgba(56,189,248,.28),transparent 58%),
    linear-gradient(135deg,rgba(37,99,235,.28),rgba(3,7,18,.94));
  padding:48px clamp(22px,4vw,54px);
  box-shadow:var(--shadow);
}
.cta-panel h2{margin-bottom:14px;max-width:720px}
.cta-panel p{color:#cbd5e1;max-width:660px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-shot{
  margin-top:32px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  overflow:hidden;
}
.cta-shot img{width:100%;aspect-ratio:16/6;object-fit:cover}
/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(8,18,41,.65),rgba(3,7,18,.98));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:.9rem;max-width:420px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-chip{
  font-size:.74rem;font-weight:600;padding:6px 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(56,189,248,.07);color:#cbd5e1;
}
.footer-col h4{font-size:.9rem;margin-bottom:16px;color:#e0f2fe;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:.86rem;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:.8rem;color:var(--dim);
}
.age-badge{
  font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:8px;
  border:1px solid rgba(251,191,36,.4);color:var(--amber);background:rgba(251,191,36,.08);
}
/* ---------- FAB ---------- */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,12,26,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.7);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  color:#e0f2fe;font-size:1.1rem;
  opacity:.78;
  transition:transform .25s,opacity .25s,box-shadow .25s,border-color .25s;
}
.fab-support:hover{opacity:1;transform:scale(1.1);border-color:#a5e8ff;box-shadow:0 0 34px rgba(56,189,248,.85)}
.fab-support:active{transform:scale(.94) translateY(2px)}
.fab-dot{
  position:absolute;top:6px;right:6px;width:9px;height:9px;border-radius:999px;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:fabDot 1.6s ease-in-out infinite;
}
@keyframes fabDot{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:var(--radius);
    background:rgba(5,11,26,.98);
    border:1px solid var(--border-strong);
    box-shadow:var(--shadow);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media screen and (max-width:768px){
  .section{padding:58px 0}
  .article-hero{padding:30px 0 44px}
  .article-shell{padding:26px 20px;border-radius:var(--radius)}
  .point-item{grid-template-columns:44px 1fr;gap:16px}
  .point-item .num{width:44px;height:44px;border-radius:10px;font-size:.78rem}
  .cta-panel{padding:34px 22px}
}
@media screen and (max-width:520px){
  .brand-text span{display:none}
  .btn-login{padding:8px 12px;font-size:.8rem}
  .btn-signup{padding:9px 14px;font-size:.8rem}
  .spec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-badges{gap:8px}
  .hero-badges .chip{font-size:.74rem;padding:7px 12px}
  .cta-actions .btn{width:100%}
  .fab-support{left:12px;bottom:84px;width:52px;height:52px}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0b1830;
  --surface:rgba(13,25,48,.72);
  --surface-2:rgba(17,32,60,.9);
  --border:rgba(96,165,250,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --dim:#64748b;
  --amber:#fbbf24;
  --green:#34d399;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 20px 55px -22px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --container:1200px;
}
*{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,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(circle at 12% -10%,rgba(37,99,235,.22),transparent 55%),
    radial-gradient(circle at 92% 8%,rgba(56,189,248,.14),transparent 50%),
    var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -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}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.25;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(1.75rem,3.4vw,2.7rem)}
h2{font-size:clamp(1.35rem,2.3vw,2rem)}
h3{font-size:1.08rem;font-weight:700}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:84px 0;position:relative}
.section-tight{padding:52px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.section-alt-2{background:linear-gradient(0deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent);border:0;margin:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8 65%,#0ea5e9);
  display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:color .22s,background .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-menu a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-menu a.active{
  color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border-color:var(--border-strong);
  box-shadow:0 0 18px rgba(56,189,248,.18) inset;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;
  color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent;
  transition:background .22s,color .22s,transform .22s;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff;transform:translateY(-1px)}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:.86rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.5);
  transition:transform .22s,box-shadow .22s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.85)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--border-strong);
  color:var(--cyan);cursor:pointer;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s,box-shadow .26s,background .26s,color .26s;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#04101f;
  box-shadow:0 0 0 1px rgba(56,189,248,.45),0 14px 34px -12px rgba(56,189,248,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(56,189,248,.7),0 20px 44px -14px rgba(56,189,248,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(56,189,248,.08);
  border-color:var(--border-strong);
  color:#dbeafe;
}
.btn-ghost:hover{background:rgba(56,189,248,.17);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 18px;font-size:.85rem}
.btn-block{width:100%}

/* ---------- Eyebrow / Badges / Tags ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  color:var(--cyan);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  margin-bottom:16px;
}
.sec-lead{color:var(--muted);font-size:1rem;max-width:860px;margin-bottom:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:.72rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;
  color:#bae6fd;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);
}
.tag-amber{color:#fde68a;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.32)}
.tag-green{color:#a7f3d0;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.32)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:70px 0 76px;overflow:hidden;border-bottom:1px solid var(--border)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/24840e447798b4c6.jpg');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 22%,rgba(37,99,235,.45),transparent 58%),
    radial-gradient(circle at 84% 78%,rgba(56,189,248,.3),transparent 55%),
    linear-gradient(180deg,rgba(3,7,18,.88),rgba(3,7,18,.97));
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-lead{color:#cbd5e1;font-size:1rem;line-height:1.7;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:580px}
.hero-stat{
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.07);
  border:1px solid var(--border);
  transition:border-color .25s,background .25s,transform .25s;
}
.hero-stat:hover{border-color:var(--border-strong);background:rgba(56,189,248,.12);transform:translateY(-3px)}
.hero-stat b{display:block;font-size:1.18rem;font-weight:800;color:#e0f2fe;letter-spacing:-.02em}
.hero-stat span{font-size:.78rem;color:var(--muted);line-height:1.4;display:block;margin-top:4px}

.hero-card{
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(17,32,60,.9),rgba(6,12,26,.94));
  box-shadow:var(--shadow);
  padding:20px;
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 0%,rgba(56,189,248,.2),transparent 60%);
  pointer-events:none;
}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);
  margin-bottom:18px;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .media-label{
  position:absolute;left:12px;bottom:12px;
  padding:7px 12px;border-radius:999px;font-size:.74rem;font-weight:600;
  background:rgba(3,7,18,.78);border:1px solid var(--border-strong);color:#e0f2fe;
  backdrop-filter:blur(8px);
}
.hero-profile{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.hero-avatar{
  width:48px;height:48px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  display:grid;place-items:center;font-weight:800;color:#04101f;font-size:.95rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.hero-profile-info{flex:1;min-width:0}
.hero-profile-info b{display:block;font-size:.98rem}
.hero-profile-info span{font-size:.76rem;color:var(--muted)}
.hero-follow{
  padding:8px 14px;border-radius:999px;font-size:.78rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#38bdf8,#a3e635);
  white-space:nowrap;transition:transform .22s,box-shadow .22s;
}
.hero-follow:hover{transform:translateY(-2px);box-shadow:0 0 22px rgba(56,189,248,.6)}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative;z-index:1}

/* ---------- Trust strip ---------- */
.trust-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:rgba(8,18,41,.55);
  padding:18px;
}
.trust-item{display:flex;gap:11px;align-items:flex-start}
.trust-item i{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;font-size:.86rem;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.25);
}
.trust-item b{display:block;font-size:.9rem;font-weight:700}
.trust-item span{font-size:.78rem;color:var(--muted);line-height:1.5}

/* ---------- Cards / Grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(15,29,55,.72),rgba(6,12,26,.86));
  padding:24px;
  transition:border-color .26s,transform .26s,box-shadow .26s,background .26s;
  position:relative;
}
.card:hover{
  border-color:var(--border-strong);
  transform:translateY(-4px);
  box-shadow:var(--glow);
}
.card h3{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;
  font-size:1rem;color:var(--cyan);
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);
  margin-bottom:14px;
}
.card-rate{
  display:inline-flex;align-items:baseline;gap:6px;
  font-size:1.5rem;font-weight:800;color:#e0f2fe;letter-spacing:-.03em;
  margin:6px 0 10px;
}
.card-rate small{font-size:.74rem;font-weight:600;color:var(--muted);letter-spacing:0}

/* ---------- Feature list ---------- */
.feature-list{display:grid;gap:14px}
.feature-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(9,18,38,.6);
  transition:border-color .24s,background .24s,transform .24s;
}
.feature-item:hover{border-color:var(--border-strong);background:rgba(56,189,248,.08);transform:translateX(4px)}
.feature-item .num{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;font-size:.8rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#38bdf8,#60a5fa);
}
.feature-item b{display:block;font-size:.95rem;margin-bottom:3px}
.feature-item span{font-size:.88rem;color:var(--muted);line-height:1.6}

/* ---------- Split media ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .media-tag{
  position:absolute;top:14px;left:14px;
  padding:6px 12px;border-radius:999px;font-size:.72rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;
  background:rgba(3,7,18,.8);border:1px solid var(--border-strong);color:#bae6fd;
  backdrop-filter:blur(8px);
}
.step-list{display:grid;gap:16px;counter-reset:step}
.step-item{
  display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:flex-start;
  padding-bottom:16px;border-bottom:1px dashed rgba(96,165,250,.22);
}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-item .dot{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.65),rgba(56,189,248,.35));
  border:1px solid var(--border-strong);
}
.step-item b{display:block;margin-bottom:4px;font-size:.98rem}
.step-item p{margin:0;color:var(--muted);font-size:.88rem}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius);
  overflow-x:auto;background:rgba(8,18,41,.55);
}
table.payout{width:100%;border-collapse:collapse;min-width:640px}
table.payout th,table.payout td{
  padding:15px 18px;text-align:left;font-size:.88rem;
  border-bottom:1px solid rgba(96,165,250,.14);
}
table.payout th{
  font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;background:rgba(56,189,248,.07);
}
table.payout tbody tr{transition:background .22s}
table.payout tbody tr:hover{background:rgba(56,189,248,.07)}
table.payout tbody tr:last-child td{border-bottom:0}
table.payout td b{color:#e0f2fe;font-weight:700}
.table-note{font-size:.8rem;color:var(--dim);margin-top:12px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(9,18,38,.62);overflow:hidden;
  transition:border-color .24s,background .24s;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(56,189,248,.07)}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:700;font-size:.95rem;
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.72rem;color:var(--cyan);flex-shrink:0;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .faq-body{padding:0 20px 18px;color:var(--muted);font-size:.9rem;line-height:1.7}

/* ---------- CMS post list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  padding:20px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(15,29,55,.7),rgba(6,12,26,.86));
  transition:border-color .24s,transform .24s,box-shadow .24s;
}
.post-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.post-card h3{font-size:.98rem;margin:0;line-height:1.45}
.post-card p{font-size:.85rem;color:var(--muted);margin:0}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.74rem;color:var(--dim)}
.post-empty{
  padding:22px;border-radius:var(--radius);border:1px dashed var(--border-strong);
  color:var(--muted);font-size:.9rem;background:rgba(9,18,38,.5);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:linear-gradient(130deg,rgba(37,99,235,.35),rgba(56,189,248,.16) 55%,rgba(3,7,18,.9));
  padding:44px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 65%);
}
.cta-band h2{margin-bottom:12px;position:relative;z-index:1}
.cta-band p{color:#dbeafe;margin-bottom:0;position:relative;z-index:1}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.cta-note{font-size:.78rem;color:#bae6fd;text-align:center}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(6,12,26,.9),rgba(2,5,13,.98));
  padding:64px 0 26px;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:.88rem;max-width:420px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-chip{
  padding:6px 12px;border-radius:999px;font-size:.74rem;font-weight:600;
  color:#cbd5e1;background:rgba(56,189,248,.08);border:1px solid var(--border);
}
.footer-col h4{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{
  font-size:.86rem;color:var(--muted);transition:color .22s,padding-left .22s;
}
.footer-col a:hover{color:#e0f2fe;padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:.8rem;color:var(--dim);
}
.age-badge{
  padding:4px 11px;border-radius:8px;font-weight:800;font-size:.76rem;
  color:#fde68a;border:1px solid rgba(251,191,36,.45);background:rgba(251,191,36,.1);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  min-height:48px;padding:11px 17px;border-radius:999px;
  font-size:.82rem;font-weight:600;color:#e0f2fe;
  background-image:linear-gradient(rgba(7,13,30,.86),rgba(7,13,30,.86)),linear-gradient(120deg,#38bdf8,#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1px solid transparent;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.42);
  opacity:.78;
  transition:opacity .25s,transform .25s,box-shadow .25s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 30px rgba(6,182,212,.75)}
.fab:active{transform:translateY(0) scale(.97)}
.fab-icon{
  display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
  background:rgba(56,189,248,.16);color:#7dd3fc;font-size:.8rem;
}
.fab-dot{
  width:9px;height:9px;border-radius:50%;background:#ef4444;
  box-shadow:0 0 0 3px rgba(3,7,18,.85),0 0 12px rgba(239,68,68,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}
  50%{box-shadow:0 0 28px rgba(6,182,212,.7)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:66px 0}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-stats{max-width:100%}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:12px;right:12px;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px;border-radius:var(--radius);
    background:rgba(6,12,26,.97);border:1px solid var(--border-strong);
    box-shadow:var(--shadow);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-radius:12px;font-size:.95rem}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .nav-actions .btn-login{padding:8px 12px;font-size:.8rem}
  .nav-actions .btn-signup{padding:9px 14px;font-size:.8rem}
  .brand-text span{display:none}
  .grid-2,.grid-3,.post-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .trust-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:84px}
}
@media (max-width:520px){
  .section{padding:52px 0}
  .hero{padding:48px 0 56px}
  .hero-stats{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .card,.post-card{padding:18px}
  .cta-band{padding:26px}
  .fab span.fab-text{display:none}
  .fab{padding:12px;border-radius:50%}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0b1830;
  --surface:rgba(13,25,48,.72);
  --surface-2:rgba(17,32,60,.9);
  --glass:rgba(11,24,48,.55);
  --border:rgba(96,165,250,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --dim:#64748b;
  --amber:#fbbf24;
  --green:#34d399;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 20px 55px -22px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -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,p{margin:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:84px 0;position:relative}
.section-tight{padding:56px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.75) 0%,rgba(3,7,18,0) 100%)}
.section-alt-2{background:linear-gradient(0deg,rgba(8,18,41,.75) 0%,rgba(3,7,18,0) 100%)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent);border:0;margin:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8 65%,#0ea5e9);
  display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:color .22s,background .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-menu a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-menu a.active{
  color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border-color:var(--border-strong);
  box-shadow:0 0 18px rgba(56,189,248,.18) inset;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;
  color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent;
  transition:background .22s,color .22s,transform .22s;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff;transform:translateY(-1px)}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:.86rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.5);
  transition:transform .22s,box-shadow .22s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.85)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--border-strong);
  color:var(--cyan);cursor:pointer;font-size:1rem;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s,box-shadow .26s,background .26s,color .26s;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#04101f;
  box-shadow:0 0 0 1px rgba(56,189,248,.45),0 14px 34px -12px rgba(56,189,248,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(56,189,248,.7),0 20px 44px -14px rgba(56,189,248,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(56,189,248,.08);
  border-color:var(--border-strong);
  color:#dbeafe;
}
.btn-ghost:hover{background:rgba(56,189,248,.17);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:.85rem}

/* ---------- Eyebrow / Section head ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  color:var(--cyan);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  margin-bottom:16px;
}
.sec-head{max-width:790px;margin-bottom:42px}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2.05rem);line-height:1.3;letter-spacing:-.02em;margin-bottom:14px}
.sec-lead{color:var(--muted);font-size:.98rem;line-height:1.7}

/* ---------- Hero (help centre) ---------- */
.hero-help{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  border-bottom:1px solid var(--border);
  text-align:center;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/24840e447798b4c6.jpg');
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 50% 6%,rgba(37,99,235,.46),transparent 58%),
    radial-gradient(circle at 12% 86%,rgba(56,189,248,.24),transparent 55%),
    linear-gradient(180deg,rgba(3,7,18,.88),rgba(3,7,18,.98));
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto}
.hero-inner h1{
  font-size:clamp(1.85rem,3.6vw,2.95rem);
  line-height:1.24;letter-spacing:-.025em;margin-bottom:18px;
}
.hero-lead{color:#cbd5e1;font-size:1rem;line-height:1.7;max-width:730px;margin:0 auto}
.hero-search{
  display:flex;align-items:center;gap:10px;
  max-width:640px;margin:28px auto 0;
  padding:7px 7px 7px 20px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--border-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--glow);
}
.hero-search i{color:var(--cyan);font-size:.95rem}
.hero-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  font-size:.92rem;padding:9px 0;color:var(--text);
}
.hero-search input::placeholder{color:var(--dim)}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:20px}
.chip{
  font-size:.78rem;padding:7px 14px;border-radius:999px;
  border:1px solid var(--border);
  background:rgba(56,189,248,.07);
  color:#bae6fd;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.chip:hover{background:rgba(56,189,248,.18);border-color:var(--border-strong);color:#fff;transform:translateY(-2px)}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  max-width:760px;margin:36px auto 0;text-align:left;
}
.metric{
  padding:16px 18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
}
.metric b{display:block;font-size:1.22rem;font-weight:800;color:#e0f2fe;letter-spacing:-.02em}
.metric span{display:block;font-size:.76rem;color:var(--muted);margin-top:2px}

/* ---------- Grid & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(56,189,248,.22),0 24px 46px -26px rgba(56,189,248,.7);
}
.card h3{font-size:1.03rem;font-weight:700;margin-bottom:10px;color:#e6f1ff}
.card p{color:var(--muted);font-size:.9rem;line-height:1.68}
.ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.18));
  border:1px solid var(--border-strong);
  color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.ico.amber{color:var(--amber);border-color:rgba(251,191,36,.4);background:linear-gradient(140deg,rgba(251,191,36,.2),rgba(251,191,36,.05))}
.ico.green{color:var(--green);border-color:rgba(52,211,153,.4);background:linear-gradient(140deg,rgba(52,211,153,.18),rgba(52,211,153,.04))}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.stat{padding:28px 22px;background:linear-gradient(160deg,rgba(13,25,48,.96),rgba(7,14,30,.96))}
.stat b{display:block;font-size:1.6rem;font-weight:800;color:#e0f2fe;letter-spacing:-.03em;line-height:1.2}
.stat span{display:block;font-size:.82rem;color:var(--muted);margin-top:6px;line-height:1.55}

/* ---------- Steps ---------- */
.steps{display:grid;gap:16px}
.step{
  display:grid;grid-template-columns:58px 1fr;gap:20px;align-items:start;
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(135deg,rgba(13,25,48,.82),rgba(9,18,36,.5));
  transition:border-color .28s,transform .28s;
}
.step:hover{border-color:var(--border-strong);transform:translateX(4px)}
.step-num{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  font-weight:800;font-size:1rem;color:#04101f;
  background:linear-gradient(135deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:#e6f1ff}
.step p{color:var(--muted);font-size:.9rem;line-height:1.68}

/* ---------- Media block ---------- */
.media-split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.media-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);
  box-shadow:0 26px 60px -30px rgba(56,189,248,.65);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,0) 35%,rgba(3,7,18,.72) 100%);
}
.media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  padding:7px 13px;border-radius:999px;
  background:rgba(3,7,18,.75);border:1px solid var(--border-strong);color:#bae6fd;
}
.media-list{display:grid;gap:14px;margin-top:22px}
.media-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:.9rem;color:#cbd5e1;line-height:1.66;
  list-style:none;
}
.media-list i{color:var(--cyan);margin-top:4px;font-size:.82rem}

/* ---------- Compare table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);
}
.cmp-table{width:100%;border-collapse:collapse;min-width:620px}
.cmp-table th,.cmp-table td{
  padding:15px 18px;text-align:left;font-size:.89rem;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.cmp-table thead th{
  background:rgba(37,99,235,.2);color:#e0f2fe;font-weight:700;
  font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover{background:rgba(56,189,248,.06)}
.cmp-table td:first-child{color:#dbeafe;font-weight:600;width:26%}
.cmp-table td.old{color:#fca5a5}
.cmp-table td.new{color:#a7f3d0}

/* ---------- Checklist ---------- */
.check-list{display:grid;gap:12px;list-style:none}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(13,25,48,.62);
  color:#cbd5e1;font-size:.91rem;line-height:1.66;
  transition:border-color .24s,background .24s;
}
.check-list li:hover{border-color:var(--border-strong);background:rgba(19,36,66,.75)}
.check-list i{color:var(--green);margin-top:4px;font-size:.88rem}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
  transition:border-color .24s;
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-weight:600;font-size:.95rem;color:#e6f1ff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--cyan);font-size:1.35rem;font-weight:400;line-height:1;flex-shrink:0;
}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{background:rgba(56,189,248,.07)}
.faq-body{padding:2px 22px 20px;color:var(--muted);font-size:.9rem;line-height:1.7}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{
  display:block;padding:26px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(150deg,rgba(37,99,235,.16),rgba(9,18,36,.78));
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 0 0 1px rgba(56,189,248,.3),var(--glow)}
.cat-card.active{
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(56,189,248,.35),var(--glow);
}
.cat-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:#e6f1ff}
.cat-card p{font-size:.86rem;color:var(--muted);line-height:1.62}
.cat-card .cat-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  font-size:.8rem;font-weight:600;color:var(--cyan);letter-spacing:.03em;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;
  padding:46px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(8,18,41,.92));
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.95rem);line-height:1.3;margin-bottom:12px;position:relative;z-index:2}
.cta-band p{color:#cbd5e1;font-size:.94rem;line-height:1.7;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:2}
.cta-note{font-size:.78rem;color:var(--muted);margin-top:14px;position:relative;z-index:2}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.35),rgba(3,7,18,1));
  border-top:1px solid var(--border);
  padding:58px 0 26px;margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:.87rem;line-height:1.7;margin:16px 0 18px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px}
.pay-chip{
  font-size:.72rem;padding:6px 11px;border-radius:8px;
  border:1px solid var(--border);background:rgba(56,189,248,.06);color:#bae6fd;
}
.footer-col h4{
  font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;
  color:#e0f2fe;margin-bottom:16px;font-weight:700;
}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a,.footer-col span{color:var(--muted);font-size:.86rem;transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--border);margin-top:42px;padding-top:20px;
  font-size:.78rem;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;min-width:38px;height:26px;padding:0 9px;
  border-radius:999px;border:1px solid rgba(251,191,36,.45);
  color:var(--amber);font-weight:700;font-size:.74rem;letter-spacing:.04em;
}

/* ---------- 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;border-radius:999px;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(100deg,#38bdf8,#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e0f2fe;font-size:.82rem;font-weight:600;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(6,182,212,.42);
  opacity:.86;
  transition:transform .25s,box-shadow .25s,opacity .25s;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 32px rgba(6,182,212,.78)}
.fab:active{transform:scale(.96)}
.fab i{font-size:1rem;color:#7dd3fc}
.fab-dot{
  position:absolute;top:7px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px #f43f5e;animation:pulse 1.7s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .media-split{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:38px}
}
@media (max-width:992px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    display:none;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;padding:14px;
    border-radius:var(--radius);
    background:rgba(6,13,29,.98);
    border:1px solid var(--border-strong);
    box-shadow:var(--shadow);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{display:block;padding:12px 14px;border-radius:12px;white-space:normal}
  .grid-3,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  body{font-size:15px}
  .section{padding:60px 0}
  .section-tight{padding:44px 0}
  .hero-help{padding:56px 0 62px}
  .grid-2,.grid-3,.grid-4,.cat-grid{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr}
  .hero-search{flex-direction:column;align-items:stretch;border-radius:var(--radius);padding:14px}
  .hero-search input{padding:6px 6px}
  .hero-search .btn{width:100%}
  .step{grid-template-columns:1fr;gap:14px;padding:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .fab{bottom:84px;padding:12px 16px;font-size:.78rem}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stat-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:28px;border-radius:var(--radius)}
  .cta-actions .btn{width:100%}
  .brand-text b{font-size:.92rem}
  .brand-text span{font-size:.62rem;letter-spacing:.1em}
  .btn-login{padding:8px 12px;font-size:.78rem}
  .btn-signup{padding:9px 14px;font-size:.78rem}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0b1830;
  --surface:rgba(13,25,48,.72);
  --surface-2:rgba(17,32,60,.9);
  --border:rgba(96,165,250,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --dim:#64748b;
  --amber:#fbbf24;
  --green:#34d399;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 20px 55px -22px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.25;letter-spacing:-.02em;font-weight:800;color:var(--text)}
h1{font-size:clamp(1.6rem,3.6vw,2.5rem)}
h2{font-size:clamp(1.35rem,2.6vw,1.95rem)}
h3{font-size:1.08rem}
h4{font-size:.98rem}
p{margin:0 0 14px;color:#cbd5e1}
p:last-child{margin-bottom:0}
strong{color:#e2e8f0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:84px 0;position:relative}
.section-tight{padding:56px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.section-alt-2{background:linear-gradient(0deg,rgba(8,18,41,.78) 0%,rgba(3,7,18,0) 100%)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent);border:0;margin:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8 65%,#0ea5e9);
  display:grid;place-items:center;
  font-weight:800;font-size:.9rem;color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.02em;color:#fff}
.brand-text span{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:color .22s,background .22s,border-color .22s,transform .22s;
  white-space:nowrap;
}
.nav-menu a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-menu a.active{
  color:#e0f2fe;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border-color:var(--border-strong);
  box-shadow:0 0 18px rgba(56,189,248,.18) inset;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;
  color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent;
  transition:background .22s,color .22s,transform .22s;
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff;transform:translateY(-1px)}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:.86rem;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 18px rgba(56,189,248,.5);
  transition:transform .22s,box-shadow .22s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.85)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--border-strong);
  color:var(--cyan);cursor:pointer;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s,box-shadow .26s,background .26s,color .26s;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#04101f;
  box-shadow:0 0 0 1px rgba(56,189,248,.45),0 14px 34px -12px rgba(56,189,248,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(56,189,248,.7),0 20px 44px -14px rgba(56,189,248,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(56,189,248,.08);border-color:var(--border-strong);color:#dbeafe}
.btn-ghost:hover{background:rgba(56,189,248,.17);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:.85rem}

/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  color:var(--cyan);padding:6px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(56,189,248,.08);
  margin-bottom:16px;
}
.sec-lead{color:var(--muted);font-size:1rem;max-width:820px}
.section-head{max-width:860px;margin-bottom:38px}
.grid-gap{margin:-11px}
.grid-gap > .cell{padding:11px}
.grid-x > .col-4{width:33.3333%}
.grid-x > .col-5{width:41.6667%}
.grid-x > .col-6{width:50%}
.grid-x > .col-7{width:58.3333%}
.grid-x > .col-8{width:66.6667%}
.grid-x > .col-12{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:66px 0 74px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/24840e447798b4c6.jpg');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 16% 20%,rgba(37,99,235,.45),transparent 58%),
    radial-gradient(circle at 86% 76%,rgba(56,189,248,.26),transparent 55%),
    linear-gradient(180deg,rgba(3,7,18,.88),rgba(3,7,18,.97));
}
.hero-inner{position:relative;z-index:2;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.8rem;color:var(--dim);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span.sep{color:var(--dim)}
.hero-copy h1{margin-bottom:16px}
.hero-lead{color:#cbd5e1;font-size:1rem;line-height:1.7;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tag{
  font-size:.74rem;font-weight:600;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;
  background:rgba(56,189,248,.09);border:1px solid var(--border);color:#bae6fd;
}
.bento{display:grid;gap:14px}
.bento-main{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);min-height:258px;
  box-shadow:var(--shadow);
}
.bento-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.bento-overlay{
  position:relative;z-index:2;height:100%;min-height:258px;
  padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  background:linear-gradient(180deg,rgba(3,7,18,.15),rgba(3,7,18,.92));
}
.bento-clock{font-size:2.6rem;font-weight:800;letter-spacing:-.03em;line-height:1;color:#e0f2fe}
.bento-note{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.14em}
.bento-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bento-mini{
  border:1px solid var(--border);border-radius:var(--radius);padding:18px;
  background:var(--surface);backdrop-filter:blur(10px);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.bento-mini:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.mini-value{display:block;font-size:1.4rem;font-weight:800;color:#e0f2fe;letter-spacing:-.02em;line-height:1.2}
.mini-label{display:block;font-size:.76rem;color:var(--muted);margin-top:6px;line-height:1.5}
.cta-strip{
  position:relative;z-index:2;margin-top:34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(56,189,248,.12));
  box-shadow:var(--shadow);
}
.cta-strip p{margin:0;color:#e2e8f0;font-size:.95rem;max-width:640px}

/* ---------- Rail cards ---------- */
.rail-card{
  height:100%;display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.rail-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
.rail-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.55),rgba(56,189,248,.25));
  border:1px solid var(--border-strong);color:#e0f2fe;font-size:1.05rem;
}
.rail-name{font-size:1rem;font-weight:700;margin:0}
.rail-text{font-size:.9rem;color:var(--muted);margin:0;line-height:1.62}
.rail-time{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;color:var(--green);
}
.rail-time i{font-size:.7rem}

/* ---------- Steps ---------- */
.steps-wrap{align-items:flex-start}
.sticky-head{position:sticky;top:96px}
.steps{display:grid;gap:14px}
.step{
  display:flex;gap:18px;padding:22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:border-color .25s,transform .25s;
}
.step:hover{border-color:var(--border-strong);transform:translateX(4px)}
.step-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;color:#04101f;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.step-body h3{margin-bottom:6px}
.step-body p{margin:0;font-size:.92rem;color:var(--muted)}

/* ---------- Data rows ---------- */
.data-rows{display:grid;gap:10px;margin-top:8px}
.data-row{
  display:grid;grid-template-columns:1.1fr 1.5fr .8fr 1.3fr;gap:16px;align-items:center;
  padding:18px 22px;border-radius:var(--radius-sm);
  background:rgba(13,25,48,.6);border:1px solid var(--border);
  transition:border-color .25s,background .25s;
}
.data-row:hover{border-color:var(--border-strong);background:rgba(17,32,60,.78)}
.data-row.head{
  background:transparent;border-style:dashed;color:var(--dim);
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
}
.data-row.head:hover{border-color:var(--border);background:transparent}
.data-cell{font-size:.92rem;color:#dbeafe}
.data-cell.tier{font-weight:700;color:#fff}
.data-cell.limit{color:var(--amber);font-weight:600}
.data-cell.time{color:var(--green);font-weight:600}
.data-cell.chan{color:var(--muted);font-size:.86rem}
.row-note{margin-top:16px;font-size:.86rem;color:var(--muted)}

/* ---------- Split ---------- */
.split{align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong);
  box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:.93rem;color:#cbd5e1;line-height:1.62}
.check-list i{color:var(--cyan);margin-top:5px;flex:0 0 auto}

/* ---------- Stat cards ---------- */
.stat-card{
  height:100%;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(17,32,60,.9),rgba(8,18,41,.65));
  border:1px solid var(--border);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.stat-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.stat-value{display:block;font-size:1.6rem;font-weight:800;letter-spacing:-.02em;color:#e0f2fe;line-height:1.2}
.stat-label{display:block;font-size:.9rem;font-weight:600;color:#fff;margin-top:8px}
.stat-desc{display:block;font-size:.82rem;color:var(--muted);margin-top:6px}

/* ---------- Post list ---------- */
.post-card{
  height:100%;display:flex;flex-direction:column;gap:12px;
  padding:22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
.post-title{font-weight:700;font-size:1rem;color:#e0f2fe;line-height:1.45}
.post-title:hover{color:var(--cyan)}
.post-sum{font-size:.88rem;color:var(--muted);margin:0;line-height:1.62}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:auto;font-size:.74rem;color:var(--dim)}
.post-cat{
  padding:4px 10px;border-radius:999px;color:var(--cyan);
  background:rgba(56,189,248,.1);border:1px solid var(--border);
}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--border-strong);
  color:var(--muted);background:rgba(13,25,48,.5);text-align:left;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(17,32,60,.82)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 54px 18px 22px;position:relative;
  font-weight:600;font-size:.96rem;color:#e2e8f0;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:.75rem;color:var(--cyan);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{color:#fff}
.faq-body{padding:0 22px 20px;border-top:1px solid var(--border);margin-top:-1px;padding-top:16px}
.faq-body p{font-size:.9rem;color:var(--muted);margin:0}

/* ---------- Channel matrix ---------- */
.channel-card{
  height:100%;display:flex;flex-direction:column;gap:10px;
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--border);background:rgba(13,25,48,.55);
  transition:transform .26s,border-color .26s,box-shadow .26s,background .26s;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:rgba(17,32,60,.85);box-shadow:var(--glow)}
.channel-link{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:#e0f2fe}
.channel-link i{font-size:.75rem;color:var(--cyan);transition:transform .25s}
.channel-card:hover .channel-link i{transform:translateX(4px)}
.channel-desc{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- Final CTA ---------- */
.final-cta{
  padding:46px 40px;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    radial-gradient(circle at 12% 18%,rgba(37,99,235,.35),transparent 60%),
    radial-gradient(circle at 88% 82%,rgba(56,189,248,.22),transparent 58%),
    rgba(8,18,41,.85);
  box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.final-cta h2{margin-bottom:10px}
.final-cta p{color:#cbd5e1;max-width:640px;margin:0}
.final-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:grid;place-items:center;width:56px;height:56px;border-radius:20px;
  background:rgba(7,7,13,.8);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(140deg,#a3e635,#06b6d4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#67e8f9;font-size:1.15rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:opacity .25s,transform .25s,box-shadow .3s,background .3s,color .3s;
  animation:fabPulse 3.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);color:#a3e635;box-shadow:0 0 30px rgba(6,182,212,.85)}
.fab:active{transform:scale(.95);color:#f43f5e;box-shadow:0 0 12px rgba(244,63,94,.7)}
.fab-dot{
  position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px rgba(34,211,238,.95);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}
  50%{box-shadow:0 0 30px rgba(6,182,212,.7)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.9));
  border-top:1px solid var(--border);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:.88rem;color:var(--muted);max-width:420px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-chip{
  font-size:.72rem;font-weight:600;padding:6px 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(56,189,248,.08);color:#bae6fd;
}
.footer-col h4{font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:.86rem;color:var(--muted)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.78rem;color:var(--dim);
}
.age-badge{
  padding:4px 11px;border-radius:8px;border:1px solid var(--border-strong);
  color:var(--cyan);font-weight:700;font-size:.74rem;letter-spacing:.06em;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:68px 0}
  .grid-x > .col-4{width:50%}
  .grid-x > .col-5,.grid-x > .col-7,.grid-x > .col-8{width:100%}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 16px 20px;display:none;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--border);
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .sticky-head{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .data-row{grid-template-columns:1fr 1fr}
  .data-row.head{display:none}
  .final-cta{padding:34px 26px}
}
@media (max-width:768px){
  .hero{padding:52px 0 60px}
  .section{padding:56px 0}
  .bento-row{grid-template-columns:1fr}
  .step{flex-direction:column;gap:12px}
  .cta-strip{flex-direction:column;align-items:flex-start}
  .cta-strip .btn{width:100%}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .grid-x > .col-4,.grid-x > .col-6{width:100%}
  .brand-text span{display:none}
  .btn-login{padding:8px 11px;font-size:.74rem}
  .btn-signup{padding:9px 13px;font-size:.74rem}
  .nav-actions{gap:6px}
  .brand-mark{width:38px;height:38px;font-size:.8rem}
  .hero-cta .btn{width:100%}
  .data-row{grid-template-columns:1fr;gap:6px}
  .footer-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:88px;width:54px;height:54px}
  .final-cta-actions .btn{width:100%}
}