/* roulang page: index */
/* ================= DESIGN TOKENS ================= */
:root{
  --bg:#03060F;
  --bg-soft:#06101F;
  --bg-deep:#02040B;
  --surface:rgba(11,22,48,.66);
  --surface-2:rgba(15,29,62,.88);
  --surface-3:rgba(20,38,78,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(96,165,250,.36);
  --text:#EAF2FF;
  --muted:#9BB0D0;
  --dim:#6C7FA3;
  --cyan:#22D3EE;
  --sky:#38BDF8;
  --blue:#2563EB;
  --gold:#FBBF24;
  --lime:#A3E635;
  --rose:#F43F5E;
  --r-xs:10px;
  --r-sm:14px;
  --r:20px;
  --r-lg:28px;
  --shadow:0 28px 70px -34px rgba(0,0,0,.95);
  --glow-cyan:0 0 26px rgba(34,211,238,.32);
  --glow-blue:0 0 34px rgba(56,189,248,.34);
  --ease:cubic-bezier(.22,.68,.36,1);
}

/* ================= RESET / BASE ================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:86px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(880px 520px at -6% 16%, rgba(34,211,238,.15), transparent 56%),
    radial-gradient(760px 620px at 50% 108%, rgba(37,99,235,.16), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.28;margin:0;font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(28px,4vw,46px);font-weight:800}
h2{font-size:clamp(23px,2.7vw,34px);font-weight:700}
h3{font-size:clamp(17px,1.6vw,21px)}
h4{font-size:15px;letter-spacing:.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-style:normal}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
::selection{background:rgba(34,211,238,.35)}

/* ================= LAYOUT ================= */
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid rgba(96,165,250,.08)}
.section--soft{background:linear-gradient(180deg,rgba(9,18,40,.55),rgba(4,8,20,.2))}
.section--deep{background:linear-gradient(180deg,rgba(2,4,11,.9),rgba(6,14,32,.5))}
.section-head{max-width:760px;margin-bottom:38px}
.section-head--wide{max-width:900px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
.section-head p{color:var(--muted);margin-top:14px;font-size:16.5px;line-height:1.7}
.muted{color:var(--muted)}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-xs);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  white-space:nowrap;line-height:1.2;
}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:var(--r-sm)}
.btn-primary{
  background:linear-gradient(135deg,#67E8F9 0%,#38BDF8 32%,#2563EB 100%);
  color:#04101F;font-weight:800;letter-spacing:.01em;
  box-shadow:0 0 24px rgba(56,189,248,.44),0 14px 30px -14px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.62),0 20px 38px -16px rgba(37,99,235,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(255,255,255,.035);border-color:rgba(148,169,201,.3);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;font-weight:800;box-shadow:0 0 22px rgba(251,191,36,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}

/* ================= PILLS / TAGS ================= */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);
  color:#A5F3FC;box-shadow:var(--glow-cyan);
}
.tag{
  display:inline-block;padding:4px 11px;border-radius:7px;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
}
.tag-hot{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.4)}
.tag-cyan{background:rgba(34,211,238,.12);color:#A5F3FC;border:1px solid rgba(34,211,238,.34)}
.tag-gold{background:rgba(251,191,36,.13);color:#FDE68A;border:1px solid rgba(251,191,36,.36)}
.tag-lime{background:rgba(163,230,53,.12);color:#D9F99D;border:1px solid rgba(163,230,53,.32)}

/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(3,6,15,.76);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(150deg,rgba(34,211,238,.24),rgba(37,99,235,.42));
  border:1px solid rgba(34,211,238,.42);
  box-shadow:inset 0 0 22px rgba(34,211,238,.28),0 0 18px rgba(34,211,238,.2);
}
.brand-text strong{display:block;font-size:14.5px;font-weight:700;line-height:1.25;letter-spacing:-.015em}
.brand-text small{display:block;font-size:10.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 15px;border-radius:11px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.main-nav a:hover{color:#fff;background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.24)}
.main-nav a.is-active{
  color:#fff;background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.42);
  box-shadow:0 0 18px rgba(34,211,238,.24);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:19px;height:2px;margin:3.5px auto;background:var(--text);border-radius:2px;transition:.24s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ================= HERO ================= */
.hero{position:relative;padding:74px 0 88px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.22;filter:saturate(1.15);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,6,15,.97) 0%,rgba(3,6,15,.82) 46%,rgba(4,10,26,.62) 100%),
    radial-gradient(700px 420px at 78% 30%,rgba(34,211,238,.18),transparent 65%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.32fr .88fr;gap:52px;align-items:start;
}
.hero-copy{max-width:660px}
.hero h1{margin:20px 0 0}
.hero-lead{margin-top:20px;color:var(--muted);font-size:16.8px;line-height:1.72}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero-trust{margin-top:30px;display:grid;gap:11px}
.hero-trust li{display:flex;gap:11px;font-size:14.5px;color:var(--muted);align-items:flex-start}
.hero-trust i{
  font-style:normal;width:24px;height:24px;flex:0 0 24px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
}
.hero-side{position:relative}
.spotlight-card{
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow),0 0 40px -18px rgba(34,211,238,.4);
}
.spotlight-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.spotlight-body{padding:22px 24px 26px}
.spotlight-body h3{margin:12px 0 8px;font-size:19px;color:#E0F2FE}
.spotlight-body p{color:var(--muted);font-size:14.2px;line-height:1.68}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.mini-stats div{text-align:left}
.mini-stats strong{display:block;font-size:19px;font-weight:800;color:#A5F3FC;letter-spacing:-.02em}
.mini-stats span{font-size:11.5px;color:var(--dim);letter-spacing:.04em}

/* ================= TRI FEATURES ================= */
.tri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  position:relative;padding:28px 26px 30px;border-radius:var(--r);
  background:linear-gradient(165deg,rgba(15,29,62,.85),rgba(7,14,33,.72));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .28s var(--ease),border-color .28s,box-shadow .28s;
}
.feature-card::before{
  content:"";position:absolute;left:26px;top:0;width:52px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 54px -28px rgba(34,211,238,.5)}
.feature-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;margin-bottom:18px;
  background:linear-gradient(150deg,rgba(34,211,238,.18),rgba(37,99,235,.3));
  border:1px solid rgba(34,211,238,.32);
}
.feature-card h3{margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14.5px;line-height:1.7}
.feature-meta{margin-top:16px;font-size:13px;color:var(--cyan);font-weight:600}

/* ================= CATEGORY MATRIX ================= */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  position:relative;display:block;border-radius:var(--r);overflow:hidden;
  background:var(--surface-3);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.78;transition:transform .5s var(--ease),opacity .3s}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.55);box-shadow:0 30px 60px -30px rgba(34,211,238,.6)}
.cat-card:hover img{transform:scale(1.05);opacity:.92}
.cat-body{padding:22px 24px 26px}
.cat-body h3{margin-bottom:9px}
.cat-body p{color:var(--muted);font-size:14.3px;line-height:1.68}
.cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:15px;border-top:1px solid var(--line)}
.cat-foot span{font-size:12.5px;color:var(--dim)}
.cat-foot b{font-size:13px;color:var(--cyan);font-weight:700}

/* ================= POST CARDS ================= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  border-radius:var(--r);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:transform .28s var(--ease),border-color .28s,box-shadow .28s;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 28px 56px -30px rgba(34,211,238,.5)}
.post-link{display:block;height:100%}
.post-link img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.85}
.post-body{padding:20px 22px 24px}
.post-cat{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:#A5F3FC;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
  padding:4px 10px;border-radius:6px;
}
.post-body h3{margin:12px 0 9px;font-size:17px;line-height:1.45}
.post-body p{color:var(--muted);font-size:14px;line-height:1.66}
.post-date{display:block;margin-top:14px;font-size:12.5px;color:var(--dim)}
.empty-note{padding:26px;border:1px dashed var(--line-strong);border-radius:var(--r);color:var(--muted);font-size:14.5px;text-align:left}

/* ================= TOPIC GRID ================= */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{
  border-radius:var(--r);overflow:hidden;background:rgba(10,20,44,.72);
  border:1px solid var(--line);transition:transform .28s var(--ease),border-color .28s;
}
.topic-card:hover{transform:translateY(-5px);border-color:rgba(163,230,53,.42)}
.topic-card img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.74}
.topic-body{padding:18px 19px 22px}
.topic-body h3{font-size:16px;margin-bottom:8px}
.topic-body p{color:var(--muted);font-size:13.6px;line-height:1.65}
.topic-body .tag{margin-bottom:12px}

/* ================= STRATEGY BLOCK ================= */
.strategy-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start}
.strategy-intro p{color:var(--muted);margin-top:16px;font-size:16.2px;line-height:1.72}
.h3-list{display:grid;gap:18px}
.h3-item{
  padding:24px 26px;border-radius:var(--r);
  background:linear-gradient(150deg,rgba(15,29,62,.8),rgba(6,13,31,.7));
  border:1px solid var(--line);border-left:2px solid rgba(34,211,238,.6);
  transition:border-color .28s,transform .28s var(--ease);
}
.h3-item:hover{border-color:var(--line-strong);border-left-color:var(--cyan);transform:translateX(4px)}
.h3-item h3{font-size:16.4px;line-height:1.5;margin-bottom:10px;color:#DBEAFE}
.h3-item p{color:var(--muted);font-size:14.3px;line-height:1.7}
.h3-index{
  display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;margin-bottom:12px;
  font-size:12.5px;font-weight:800;color:#04101F;background:linear-gradient(135deg,#67E8F9,#2563EB);
}

/* ================= NEWS LIST ================= */
.news-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:34px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:118px 1fr;gap:18px;align-items:center;
  padding:14px;border-radius:var(--r-sm);
  background:rgba(11,22,48,.6);border:1px solid var(--line);
  transition:border-color .26s,transform .26s var(--ease),background .26s;
}
.news-item:hover{border-color:var(--line-strong);background:rgba(16,31,66,.8);transform:translateX(4px)}
.news-item img{width:118px;height:80px;object-fit:cover;border-radius:10px;opacity:.86}
.news-item h3{font-size:15.4px;line-height:1.45;margin-bottom:6px}
.news-item p{color:var(--muted);font-size:13.4px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:12.2px;color:var(--dim);margin-top:8px;display:flex;gap:12px}
.side-panel{
  padding:26px 24px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(7,14,33,.85));
  border:1px solid var(--line-strong);
}
.side-panel h3{margin-bottom:14px;font-size:17px}
.side-list{display:grid;gap:12px}
.side-list a{
  display:block;padding:12px 14px;border-radius:11px;font-size:14.2px;line-height:1.5;
  background:rgba(255,255,255,.035);border:1px solid transparent;color:#CBE2FF;transition:.24s;
}
.side-list a:hover{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.36);color:#fff}

/* ================= STAT STRIP ================= */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:rgba(6,13,31,.86);padding:28px 24px;text-align:left}
.stat strong{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.03em;color:#A5F3FC}
.stat span{display:block;margin-top:7px;font-size:13.4px;color:var(--muted);line-height:1.55}

/* ================= REVIEWS ================= */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{
  padding:26px 24px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:transform .28s var(--ease),border-color .28s;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(140deg,rgba(34,211,238,.25),rgba(37,99,235,.45));
  border:1px solid rgba(34,211,238,.36);color:#E0F2FE;
}
.review-top strong{display:block;font-size:14.6px}
.review-top span{font-size:12.4px;color:var(--dim)}
.review-card p{color:var(--muted);font-size:14.3px;line-height:1.7}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-bottom:12px}

/* ================= REFERRAL ================= */
.ref-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ref-cell{background:rgba(7,14,33,.88);padding:26px 22px}
.ref-cell h4{margin-bottom:10px;color:#A5F3FC;font-size:14px;letter-spacing:.06em;text-transform:uppercase}
.ref-cell p{color:var(--muted);font-size:13.7px;line-height:1.68}
.ref-cell strong{display:block;font-size:22px;font-weight:800;color:#FDE68A;margin-bottom:6px;letter-spacing:-.02em}

/* ================= STEPS ================= */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{
  position:relative;padding:30px 26px 28px;border-radius:var(--r);
  background:linear-gradient(165deg,rgba(12,24,54,.8),rgba(5,11,26,.72));
  border:1px solid var(--line);
}
.step-num{
  font-size:38px;font-weight:800;line-height:1;letter-spacing:-.04em;
  background:linear-gradient(140deg,#67E8F9,#2563EB);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;display:block;
}
.step h3{margin-bottom:10px;font-size:17.5px}
.step p{color:var(--muted);font-size:14.3px;line-height:1.7}

/* ================= TRUST ================= */
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.trust-card{
  display:flex;gap:16px;padding:24px 24px;border-radius:var(--r);
  background:rgba(9,18,40,.7);border:1px solid var(--line);
}
.trust-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:19px;
  background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.3);
}
.trust-card h3{font-size:16.2px;margin-bottom:8px}
.trust-card p{color:var(--muted);font-size:14px;line-height:1.68}

/* ================= FAQ ================= */
.faq{display:grid;gap:12px;max-width:960px}
.faq-item{
  border-radius:var(--r-sm);background:rgba(10,20,44,.66);
  border:1px solid var(--line);overflow:hidden;transition:border-color .26s;
}
.faq-item.is-open{border-color:rgba(34,211,238,.45)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:19px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:#A5F3FC}
.faq-sign{flex:0 0 auto;font-size:20px;color:var(--cyan);transition:transform .28s var(--ease);line-height:1}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:14.4px;line-height:1.72}

/* ================= CONTACT ================= */
.contact-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.contact-info p{color:var(--muted);margin-top:16px;font-size:16px;line-height:1.72}
.contact-points{margin-top:26px;display:grid;gap:14px}
.contact-points li{display:flex;gap:12px;font-size:14.6px;color:#CBE2FF}
.contact-points i{
  font-style:normal;flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
}
.form-card{
  padding:30px 28px 32px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(15,29,62,.86),rgba(5,11,26,.9));
  border:1px solid var(--line-strong);backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.form-row{display:grid;gap:8px;margin-bottom:16px}
.form-row label{font-size:13px;font-weight:600;color:#CBE2FF;letter-spacing:.02em}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:13px 15px;border-radius:11px;font-size:14.5px;
  background:rgba(3,8,20,.75);border:1px solid var(--line-strong);transition:.24s;
}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16);
}
.form-row textarea{resize:vertical;min-height:104px}
.form-note{font-size:12.6px;color:var(--dim);margin-top:12px;line-height:1.6}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ================= FOOTER ================= */
.site-footer{
  margin-top:20px;padding:70px 0 34px;
  background:linear-gradient(180deg,rgba(2,5,13,.6),rgba(1,3,9,.98));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:14.2px;line-height:1.7;margin-top:16px;max-width:340px}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badges span{
  font-size:11.5px;font-weight:700;letter-spacing:.05em;padding:6px 11px;border-radius:8px;
  background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.26);color:#A5F3FC;
}
.footer-col h4{margin-bottom:16px;color:#A5F3FC;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.footer-col a,.footer-col li{display:block;font-size:14.2px;color:var(--muted);padding:6px 0;transition:color .22s}
.footer-col a:hover{color:var(--cyan)}
.footer-col li{color:var(--dim)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:1.5px solid rgba(244,63,94,.6);color:#FDA4AF;font-size:12px;font-weight:800;
}

/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:98px;z-index:75;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:22px;
  background:
    linear-gradient(rgba(6,12,28,.92),rgba(6,12,28,.92)) padding-box,
    linear-gradient(135deg,#A3E635,#22D3EE 55%,#2563EB) border-box;
  border:1.6px solid transparent;
  box-shadow:0 0 20px rgba(34,211,238,.45),0 12px 26px -14px rgba(0,0,0,.9);
  opacity:.8;transition:all .26s var(--ease);text-decoration:none;
}
.fab:hover{opacity:1;transform:scale(1.09);box-shadow:0 0 32px rgba(34,211,238,.72)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab-dot{
  position:absolute;top:5px;right:5px;width:12px;height:12px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 10px var(--rose);animation:pulseDot 1.7s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.65}}

/* ================= STICKY CTA ================= */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(4,9,22,.9);backdrop-filter:blur(18px);
  border-top:1px solid var(--line-strong);
  box-shadow:0 -18px 44px -26px rgba(0,0,0,1);
}
.sticky-inner{display:flex;align-items:center;gap:20px;padding:13px 0}
.sticky-text strong{display:block;font-size:15px;font-weight:700;color:#E0F2FE}
.sticky-text span{display:block;font-size:12.8px;color:var(--dim);margin-top:2px}
.sticky-actions{margin-left:auto;display:flex;gap:10px;align-items:center}

/* ================= RESPONSIVE ================= */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-copy{max-width:100%}
  .tri-grid,.cat-grid,.post-grid,.review-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip,.ref-grid{grid-template-columns:repeat(2,1fr)}
  .strategy-wrap,.news-layout,.contact-wrap{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{display:none}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:absolute;left:20px;right:20px;top:76px;
    padding:16px;border-radius:var(--r);background:rgba(5,11,26,.98);
    border:1px solid var(--line-strong);box-shadow:var(--shadow);
  }
  .main-nav.is-open a{padding:12px 14px}
  .nav-toggle{display:block}
  .header-actions{margin-left:auto}
}
@media (max-width:820px){
  .section{padding:66px 0}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:640px){
  .container{width:min(1200px,100% - 30px)}
  .section{padding:56px 0}
  .tri-grid,.cat-grid,.post-grid,.review-grid,.steps,.topic-grid,.trust-grid{grid-template-columns:1fr}
  .stat-strip,.ref-grid{grid-template-columns:1fr}
  .form-grid-2{grid-template-columns:1fr}
  .news-item{grid-template-columns:92px 1fr;gap:14px}
  .news-item img{width:92px;height:70px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero{padding:52px 0 64px}
  .hero-actions .btn{width:100%}
  .sticky-text span{display:none}
  .sticky-text strong{font-size:13.6px}
  .sticky-inner{gap:12px}
  .sticky-actions .btn{padding:11px 16px;font-size:13.6px}
  .fab{left:12px;bottom:92px;width:52px;height:52px;font-size:20px}
  body{padding-bottom:76px}
  .header-inner{height:68px;gap:12px}
  .main-nav.is-open{top:68px}
  .brand-text strong{font-size:13.4px}
  .brand-text small{font-size:9.6px}
}

/* roulang page: category1 */
:root{
  --bg:#03060F;
  --bg-soft:#06101F;
  --bg-deep:#02040B;
  --surface:rgba(11,22,48,.66);
  --surface-2:rgba(15,29,62,.88);
  --surface-3:rgba(20,38,78,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(96,165,250,.36);
  --text:#EAF2FF;
  --muted:#9BB0D0;
  --dim:#6C7FA3;
  --cyan:#22D3EE;
  --sky:#38BDF8;
  --blue:#2563EB;
  --gold:#FBBF24;
  --lime:#A3E635;
  --rose:#F43F5E;
  --r-xs:10px;
  --r-sm:14px;
  --r:20px;
  --r-lg:28px;
  --shadow:0 28px 70px -34px rgba(0,0,0,.95);
  --glow-cyan:0 0 26px rgba(34,211,238,.32);
  --glow-blue:0 0 34px rgba(56,189,248,.34);
  --ease:cubic-bezier(.22,.68,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:86px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(880px 520px at -6% 16%, rgba(34,211,238,.15), transparent 56%),
    radial-gradient(760px 620px at 50% 108%, rgba(37,99,235,.16), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid rgba(96,165,250,.08)}
.section--soft{background:linear-gradient(180deg,rgba(9,18,40,.55),rgba(4,8,20,.2))}
.section--deep{background:linear-gradient(180deg,rgba(2,4,11,.9),rgba(6,14,32,.5))}
.section-head{max-width:780px;margin-bottom:38px}
.section-head--wide{max-width:940px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16.5px;line-height:1.75}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(31px,5vw,58px);line-height:1.08;letter-spacing:-.035em;font-weight:800}
h2{font-size:clamp(25px,3.4vw,38px);line-height:1.17;letter-spacing:-.025em;font-weight:800}
h3{font-size:20px;line-height:1.3;font-weight:700}
p{color:var(--muted)}
.muted{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-xs);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  white-space:nowrap;line-height:1.2;
}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:var(--r-sm)}
.btn-primary{
  background:linear-gradient(135deg,#67E8F9 0%,#38BDF8 32%,#2563EB 100%);
  color:#04101F;font-weight:800;letter-spacing:.01em;
  box-shadow:0 0 24px rgba(56,189,248,.44),0 14px 30px -14px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.62),0 20px 38px -16px rgba(37,99,235,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(255,255,255,.035);border-color:rgba(148,169,201,.3);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;font-weight:800;box-shadow:0 0 22px rgba(251,191,36,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);
  color:#A5F3FC;box-shadow:var(--glow-cyan);
}
.tag{display:inline-block;padding:4px 11px;border-radius:7px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.tag-hot{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.4)}
.tag-cyan{background:rgba(34,211,238,.12);color:#A5F3FC;border:1px solid rgba(34,211,238,.34)}
.tag-gold{background:rgba(251,191,36,.13);color:#FDE68A;border:1px solid rgba(251,191,36,.36)}
.tag-lime{background:rgba(163,230,53,.12);color:#D9F99D;border:1px solid rgba(163,230,53,.32)}
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(3,6,15,.76);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(150deg,rgba(34,211,238,.24),rgba(37,99,235,.42));
  border:1px solid rgba(34,211,238,.42);
  box-shadow:inset 0 0 22px rgba(34,211,238,.28),0 0 18px rgba(34,211,238,.2);
}
.brand-text strong{display:block;font-size:14.5px;font-weight:700;line-height:1.25;letter-spacing:-.015em}
.brand-text small{display:block;font-size:10.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 15px;border-radius:11px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.main-nav a:hover{color:#fff;background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.24)}
.main-nav a.is-active{color:#fff;background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.42);box-shadow:0 0 18px rgba(34,211,238,.24)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.045);border:1px solid var(--line-strong);padding:0}
.nav-toggle span{display:block;width:19px;height:2px;margin:3.5px auto;background:var(--text);border-radius:2px;transition:.24s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.hero{padding:78px 0 68px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,6,15,.96) 0%,rgba(3,6,15,.82) 48%,rgba(3,6,15,.52) 100%),url('/assets/images/4bc205a99142f005.jpg') center/cover no-repeat;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 420px at 86% 20%,rgba(34,211,238,.18),transparent 68%);z-index:-1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:44px;align-items:center}
.hero-copy{max-width:700px}
.hero h1 span{background:linear-gradient(120deg,#67E8F9,#38BDF8 55%,#A3E635);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17.5px;line-height:1.75;max-width:650px;margin:22px 0 0;color:#C4D4ED}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:38px}
.metric{padding:16px 15px;border-radius:var(--r-sm);background:rgba(6,16,31,.66);border:1px solid var(--line);backdrop-filter:blur(12px)}
.metric strong{display:block;font-size:24px;line-height:1.1;color:#fff;font-weight:800}
.metric span{display:block;font-size:12px;color:var(--dim);margin-top:5px}
.hero-feature{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);
  background:rgba(6,16,31,.74);box-shadow:var(--shadow),0 0 42px rgba(34,211,238,.14);
  backdrop-filter:blur(16px);
}
.hero-feature img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-feature-body{padding:22px}
.hero-feature-body h3{font-size:19px;margin-bottom:9px}
.hero-feature-body p{font-size:14.5px;margin-bottom:18px}
.feature-points{display:grid;gap:10px;margin-top:18px}
.feature-points span{display:flex;align-items:center;gap:9px;color:#C7D6ED;font-size:14px}
.feature-points span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);flex:0 0 auto}
.intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:40px;align-items:start}
.intro-panel{padding:28px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(14px)}
.intro-panel p:last-child{margin-bottom:0}
.skill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.skill-card{padding:24px;border-radius:var(--r);background:linear-gradient(160deg,rgba(15,29,62,.86),rgba(7,16,35,.72));border:1px solid var(--line);transition:.28s var(--ease)}
.skill-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 44px -28px rgba(34,211,238,.7)}
.skill-card .num{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--cyan);margin-bottom:12px}
.skill-card h3{margin-bottom:9px}
.skill-card p{font-size:14.5px;margin-bottom:0}
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.scene-main{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.scene-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-main-body{padding:26px}
.scene-list{display:grid;gap:14px}
.scene-item{padding:20px;border-left:2px solid var(--cyan);background:rgba(8,18,38,.72);border-radius:0 var(--r-sm) var(--r-sm) 0}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:14px;margin-bottom:0}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-col{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:rgba(8,18,38,.64)}
.compare-col.good{border-color:rgba(163,230,53,.32);background:linear-gradient(160deg,rgba(163,230,53,.08),rgba(8,18,38,.74))}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.compare-col li{color:#C8D7ED;font-size:14.5px;display:flex;gap:10px}
.compare-col li::before{content:"—";color:var(--dim)}
.compare-col.good li::before{content:"✓";color:var(--lime);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{position:relative;padding:26px 20px 22px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);counter-increment:step}
.step::before{content:"0" counter(step);font-size:27px;font-weight:800;color:rgba(34,211,238,.42);line-height:1;display:block;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;margin-bottom:0}
.evidence-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.evidence-media{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.evidence-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.testimonial-list{display:grid;gap:15px}
.testimonial{padding:21px;border-radius:var(--r-sm);background:rgba(8,18,38,.7);border:1px solid var(--line)}
.testimonial p{font-size:14.5px;margin-bottom:12px;color:#D3DFF0}
.testimonial strong{font-size:13.5px;color:#fff}
.testimonial span{display:block;font-size:12px;color:var(--dim)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;background:rgba(8,18,38,.72);border:1px solid var(--line);transition:.28s var(--ease)}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 48px -30px rgba(34,211,238,.8)}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--dim);margin-bottom:10px}
.news-card h3{font-size:17px;margin-bottom:9px}
.news-card p{font-size:14px;margin-bottom:16px}
.news-card .news-link{margin-top:auto;color:#A5F3FC;font-size:13.5px;font-weight:700}
.empty-state{padding:30px;border:1px dashed var(--line-strong);border-radius:var(--r);color:var(--muted);text-align:center}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:rgba(8,18,38,.62);overflow:hidden}
.faq-item summary{padding:19px 22px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;color:#fff}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:20px;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 22px 20px;margin:0;font-size:14.5px}
.cta-band{padding:38px;border-radius:var(--r-lg);background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(37,99,235,.22));border:1px solid rgba(34,211,238,.3);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;box-shadow:var(--glow-blue)}
.cta-band h2{font-size:clamp(23px,3vw,34px);margin-bottom:10px}
.cta-band p{margin-bottom:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.guarantee-item{padding:20px;border-radius:var(--r-sm);background:rgba(8,18,38,.66);border:1px solid var(--line);text-align:left}
.guarantee-item strong{display:block;color:#fff;margin-bottom:6px;font-size:15px}
.guarantee-item span{color:var(--dim);font-size:13px}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(3,6,15,.92);backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:12px 0}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-copy strong{display:block;font-size:14px}
.sticky-copy span{font-size:12px;color:var(--dim)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:75;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:22px;background:linear-gradient(145deg,#0F1D3E,#02040B);
  border:2px solid var(--cyan);box-shadow:0 0 24px rgba(34,211,238,.45);opacity:.82;
  transition:.26s var(--ease);
}
.fab::after{content:"";position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:var(--rose);border:2px solid #fff;box-shadow:0 0 10px var(--rose)}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 36px rgba(34,211,238,.7)}
.fab:active{transform:scale(.95) translateY(3px)}
.site-footer{background:linear-gradient(180deg,rgba(2,4,11,.55),rgba(3,6,15,.96));border-top:1px solid var(--line);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:34px}
.footer-brand p{font-size:14px;line-height:1.7;margin:18px 0 18px}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;color:var(--muted);font-size:13.5px;margin-bottom:10px;list-style:none}
.footer-col a:hover{color:#fff}
.footer-col ul{padding:0;margin:0}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badges span{padding:5px 10px;border-radius:7px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.2);font-size:11.5px;color:#A5F3FC}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);color:var(--dim);font-size:12.5px}
.age-badge{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.4);color:#FDA4AF;font-weight:800;font-size:11px}
@media(max-width:1024px){
  .hero-grid,.intro-grid,.scene-grid,.evidence-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{position:fixed;top:76px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;padding:14px 20px 22px;background:rgba(3,6,15,.98);border-bottom:1px solid var(--line);margin-left:0}
  .main-nav.is-open{display:flex}
  .main-nav a{padding:13px 14px}
  .nav-toggle{display:block}
  .header-actions{margin-left:auto}
}
@media(max-width:768px){
  .section{padding:68px 0}
  .header-inner{height:70px;gap:10px}
  .brand-text strong{font-size:13px}
  .brand-text small{font-size:9.5px}
  .header-actions .btn-ghost{display:inline-flex}
  .hero{padding:58px 0 54px}
  .hero-metrics{grid-template-columns:1fr}
  .skill-grid,.compare,.guarantee{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-copy{display:none}
  .sticky-inner{justify-content:center}
  .sticky-inner .btn{width:100%}
}
@media(max-width:520px){
  .container{width:min(1200px,100% - 28px)}
  .brand-mark{width:40px;height:40px;font-size:19px}
  .brand-text strong{font-size:12px}
  .header-actions{gap:7px}
  .header-actions .btn{padding:8px 11px;font-size:12px}
  .hero-actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#03060F;
  --bg-soft:#06101F;
  --bg-deep:#02040B;
  --surface:rgba(11,22,48,.66);
  --surface-2:rgba(15,29,62,.88);
  --surface-3:rgba(20,38,78,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(96,165,250,.36);
  --text:#EAF2FF;
  --muted:#9BB0D0;
  --dim:#6C7FA3;
  --cyan:#22D3EE;
  --sky:#38BDF8;
  --blue:#2563EB;
  --gold:#FBBF24;
  --lime:#A3E635;
  --rose:#F43F5E;
  --r-xs:10px;
  --r-sm:14px;
  --r:20px;
  --r-lg:28px;
  --shadow:0 28px 70px -34px rgba(0,0,0,.95);
  --glow-cyan:0 0 26px rgba(34,211,238,.32);
  --glow-blue:0 0 34px rgba(56,189,248,.34);
  --ease:cubic-bezier(.22,.68,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:92px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(880px 520px at -6% 16%, rgba(34,211,238,.15), transparent 56%),
    radial-gradient(760px 620px at 50% 108%, rgba(37,99,235,.16), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(34,211,238,.32);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.section{padding:84px 0;position:relative}
.section + .section{border-top:1px solid rgba(96,165,250,.08)}
.section--soft{background:linear-gradient(180deg,rgba(9,18,40,.55),rgba(4,8,20,.2))}
.section--deep{background:linear-gradient(180deg,rgba(2,4,11,.9),rgba(6,14,32,.5))}
.section-head{max-width:760px;margin-bottom:36px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
.muted{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-xs);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  white-space:nowrap;line-height:1.2;
}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:var(--r-sm)}
.btn-primary{
  background:linear-gradient(135deg,#67E8F9 0%,#38BDF8 32%,#2563EB 100%);
  color:#04101F;font-weight:800;box-shadow:0 0 24px rgba(56,189,248,.44),0 14px 30px -14px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.62),0 20px 38px -16px rgba(37,99,235,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(255,255,255,.035);border-color:rgba(148,169,201,.3);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;font-weight:800;box-shadow:0 0 22px rgba(251,191,36,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);
  color:#A5F3FC;box-shadow:var(--glow-cyan);
}
.tag{
  display:inline-block;padding:4px 11px;border-radius:7px;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
}
.tag-hot{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.4)}
.tag-cyan{background:rgba(34,211,238,.12);color:#A5F3FC;border:1px solid rgba(34,211,238,.34)}
.tag-gold{background:rgba(251,191,36,.13);color:#FDE68A;border:1px solid rgba(251,191,36,.36)}
.tag-lime{background:rgba(163,230,53,.12);color:#D9F99D;border:1px solid rgba(163,230,53,.32)}
/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(3,6,15,.76);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(150deg,rgba(34,211,238,.24),rgba(37,99,235,.42));
  border:1px solid rgba(34,211,238,.42);
  box-shadow:inset 0 0 22px rgba(34,211,238,.28),0 0 18px rgba(34,211,238,.2);
}
.brand-text strong{display:block;font-size:14.5px;font-weight:700;line-height:1.25;letter-spacing:-.015em}
.brand-text small{display:block;font-size:10.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 15px;border-radius:11px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.main-nav a:hover{color:#fff;background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.24)}
.main-nav a.is-active{
  color:#fff;background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.42);
  box-shadow:0 0 18px rgba(34,211,238,.24);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:19px;height:2px;margin:3.5px auto;background:var(--text);border-radius:2px;transition:.24s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
/* ================= ARTICLE HERO ================= */
.article-hero{
  position:relative;padding:56px 0 58px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,6,15,.72) 0%,rgba(3,6,15,.94) 70%,rgba(3,6,15,1) 100%),
    url('/assets/images/4bc205a99142f005.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:140px;
  background:linear-gradient(180deg,transparent,rgba(3,6,15,.95));pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:12.5px;color:var(--dim);margin-bottom:22px;position:relative;z-index:2;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.crumb-sep{color:rgba(108,127,163,.55)}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;align-items:center;position:relative;z-index:2;
}
.article-hero h1{font-size:clamp(27px,3.3vw,42px);font-weight:800;margin:18px 0 16px;letter-spacing:-.03em}
.article-hero .lead{color:var(--muted);font-size:16.5px;max-width:640px}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13px;color:var(--dim);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{color:var(--text);font-weight:600}
.hero-cover{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow),0 0 40px rgba(34,211,238,.14);position:relative;
}
.hero-cover img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-cover .cover-cap{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;
  font-size:12px;font-weight:600;color:#E0F2FE;
  background:rgba(3,6,15,.7);border:1px solid rgba(34,211,238,.4);backdrop-filter:blur(8px);
}
/* ================= HIGHLIGHT CARDS ================= */
.hl-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.hl-card{
  padding:24px 22px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(16,32,66,.8),rgba(6,14,32,.62));
  backdrop-filter:blur(12px);transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.hl-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 46px -28px rgba(34,211,238,.7)}
.hl-card .num{
  font-size:26px;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,#67E8F9,#38BDF8 55%,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hl-card h3{font-size:15.5px;margin:12px 0 8px}
.hl-card p{font-size:14px;color:var(--muted);line-height:1.6}
/* ================= ARTICLE BODY ================= */
.article-main{max-width:880px;margin-inline:auto}
.article-body{font-size:16.5px;line-height:1.75;color:#D6E4F7}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);margin:46px 0 16px;padding-left:16px;position:relative;
  color:#fff;letter-spacing:-.025em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--blue));
  box-shadow:0 0 14px rgba(34,211,238,.6);
}
.article-body h3{font-size:18.5px;margin:32px 0 12px;color:#fff}
.article-body h4{font-size:16.5px;margin:24px 0 10px;color:#EAF2FF}
.article-body p{margin:0 0 18px}
.article-body a{color:#7DD3FC;border-bottom:1px solid rgba(125,211,252,.4);transition:.2s var(--ease)}
.article-body a:hover{color:#BAE6FD;border-color:#BAE6FD}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:10px;color:#C9DAF1;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(34,211,238,.8);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:6px;
  display:grid;place-items:center;font-size:11px;font-weight:800;color:#04101F;
  background:linear-gradient(135deg,#67E8F9,#38BDF8);
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-left:3px solid var(--cyan);
  background:rgba(34,211,238,.07);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#DDF3FF;font-style:italic;
}
.article-body img{border-radius:var(--r-sm);margin:22px 0;border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(34,211,238,.1);color:#fff;font-weight:700}
.article-empty{
  text-align:center;padding:64px 28px;border-radius:var(--r-lg);
  border:1px dashed var(--line-strong);background:var(--surface);
}
.article-empty h2{font-size:22px;margin-bottom:12px}
.article-empty p{color:var(--muted);max-width:520px;margin:0 auto 24px}
/* ================= SPEC TABLE ================= */
.spec-wrap{
  border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(160deg,rgba(14,29,60,.72),rgba(5,11,26,.66));
}
.spec-row{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:18px;padding:17px 26px;border-bottom:1px solid rgba(96,165,250,.12)}
.spec-row:last-child{border-bottom:0}
.spec-row:nth-child(odd){background:rgba(34,211,238,.035)}
.spec-key{color:var(--dim);font-size:14px;font-weight:600;letter-spacing:.02em}
.spec-val{font-size:14.5px;color:#DCE9FA;font-weight:500}
.spec-val em{font-style:normal;color:var(--cyan);font-weight:700}
/* ================= SCREENSHOT RAIL ================= */
.shot-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);
  gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.shot-rail::-webkit-scrollbar{height:6px}
.shot-rail::-webkit-scrollbar-thumb{background:rgba(34,211,238,.4);border-radius:99px}
.shot{
  scroll-snap-align:start;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.shot:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.55);box-shadow:0 22px 50px -26px rgba(34,211,238,.75)}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot figcaption{padding:14px 16px 18px}
.shot figcaption b{display:block;font-size:14.5px;color:#fff;margin-bottom:5px}
.shot figcaption span{font-size:13px;color:var(--muted)}
/* ================= REVIEWS ================= */
.rev-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rev-card{
  padding:26px 24px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,30,62,.78),rgba(6,13,28,.6));
  display:flex;flex-direction:column;gap:14px;
}
.rev-stars{color:var(--gold);font-size:14px;letter-spacing:2px}
.rev-card p{font-size:14.5px;color:#D3E2F6;line-height:1.68}
.rev-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.rev-ava{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:linear-gradient(140deg,rgba(34,211,238,.3),rgba(37,99,235,.5));border:1px solid var(--line-strong);color:#E0F2FE;
}
.rev-who b{display:block;font-size:14px;color:#fff}
.rev-who span{font-size:12px;color:var(--dim)}
/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  background:rgba(10,21,44,.62);transition:border-color .24s var(--ease);
}
.faq-item[open]{border-color:rgba(34,211,238,.45);background:rgba(13,28,58,.78)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15.5px;font-weight:600;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--cyan);transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.7}
/* ================= CHANNELS ================= */
.chan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.chan-card{
  padding:26px 24px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(18,36,72,.7),rgba(5,11,26,.72));
  display:flex;flex-direction:column;gap:12px;transition:.26s var(--ease);
}
.chan-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.5);box-shadow:0 22px 48px -28px rgba(34,211,238,.8)}
.chan-card h3{font-size:17px}
.chan-card p{font-size:14px;color:var(--muted)}
.chan-link{font-size:13.5px;font-weight:700;color:#7DD3FC;display:inline-flex;align-items:center;gap:7px;margin-top:4px}
.chan-card:hover .chan-link{color:#BAE6FD}
/* ================= FINAL CTA ================= */
.cta-final{
  padding:56px 0 66px;
}
.cta-box{
  border-radius:var(--r-lg);padding:48px 42px;text-align:center;position:relative;overflow:hidden;
  border:1px solid rgba(34,211,238,.3);
  background:
    radial-gradient(600px 240px at 50% 0%, rgba(34,211,238,.22), transparent 70%),
    linear-gradient(150deg,rgba(16,34,70,.92),rgba(4,9,22,.94));
  box-shadow:var(--glow-blue);
}
.cta-box h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.cta-box p{color:var(--muted);max-width:640px;margin:0 auto 26px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{margin-top:18px;font-size:12.5px;color:var(--dim)}
/* ================= STICKY CTA ================= */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(3,7,17,.92);backdrop-filter:blur(16px);
  border-top:1px solid var(--line-strong);
}
.sticky-inner{display:flex;align-items:center;gap:18px;padding:12px 0}
.sticky-inner strong{font-size:14.5px;color:#fff;display:block}
.sticky-inner span{font-size:12.5px;color:var(--dim);display:block}
.sticky-inner .btn{margin-left:auto}
/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:108px;z-index:75;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,10,22,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,22,.9),rgba(7,10,22,.9)),
    linear-gradient(135deg,#22D3EE,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#E0F2FE;font-size:13px;font-weight:700;
  box-shadow:0 0 22px rgba(34,211,238,.42);
  opacity:.85;transition:.26s var(--ease);
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(34,211,238,.7)}
.fab:active{transform:translateY(0) scale(.96)}
.fab svg{width:20px;height:20px;flex:0 0 auto}
.fab .dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);animation:blink 1.6s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(34,211,238,.34)}50%{box-shadow:0 0 30px rgba(34,211,238,.62)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
/* ================= FOOTER ================= */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,6,15,.6),rgba(2,4,11,.98));
  padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:36px}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0 18px;max-width:400px}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badges span{
  padding:6px 13px;border-radius:8px;font-size:12px;font-weight:600;color:#C7D9F0;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.footer-col h4{font-size:14px;margin-bottom:16px;color:#fff;letter-spacing:.01em}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:.2s var(--ease)}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-col ul li{font-size:13.5px;color:var(--muted);padding:6px 0}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(251,191,36,.5);color:var(--gold);font-size:12px;font-weight:800;
  background:rgba(251,191,36,.08);
}
/* ================= RESPONSIVE ================= */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:6px;padding:16px 20px 22px;margin-left:0;
    background:rgba(4,8,20,.985);border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:.26s var(--ease);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rev-grid,.chan-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:62px 0}
  .header-inner{height:70px;gap:12px}
  .brand-text small{display:none}
  .main-nav{top:70px}
  .article-hero{padding:40px 0 44px}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:15px 18px}
  .cta-box{padding:38px 22px}
  .rev-grid,.chan-grid{grid-template-columns:1fr}
  .sticky-inner{padding:10px 0;gap:12px}
  .sticky-inner .hide-sm{display:none}
}
@media (max-width:520px){
  .container{width:min(1200px,100% - 28px)}
  .btn-sm{padding:8px 12px;font-size:12.5px}
  .brand-text strong{font-size:13px}
  .brand-mark{width:38px;height:38px;font-size:18px;border-radius:12px}
  .hl-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:24px}
  .btn{width:auto}
  .cta-actions .btn{width:100%}
  .fab{left:12px;bottom:104px;padding:10px 14px 10px 12px;font-size:12px}
  .fab span.fab-text{display:none}
}

/* roulang page: category2 */
/* ================= DESIGN TOKENS ================= */
:root{
  --bg:#03060F;
  --bg-soft:#06101F;
  --bg-deep:#02040B;
  --surface:rgba(11,22,48,.66);
  --surface-2:rgba(15,29,62,.88);
  --surface-3:rgba(20,38,78,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(96,165,250,.36);
  --text:#EAF2FF;
  --muted:#9BB0D0;
  --dim:#6C7FA3;
  --cyan:#22D3EE;
  --sky:#38BDF8;
  --blue:#2563EB;
  --gold:#FBBF24;
  --lime:#A3E635;
  --rose:#F43F5E;
  --r-xs:10px;
  --r-sm:14px;
  --r:20px;
  --r-lg:28px;
  --shadow:0 28px 70px -34px rgba(0,0,0,.95);
  --glow-cyan:0 0 26px rgba(34,211,238,.32);
  --glow-blue:0 0 34px rgba(56,189,248,.34);
  --ease:cubic-bezier(.22,.68,.36,1);
}
/* ================= RESET / BASE ================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:104px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(880px 520px at -6% 16%, rgba(34,211,238,.15), transparent 56%),
    radial-gradient(760px 620px at 50% 108%, rgba(37,99,235,.16), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.24;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,211,238,.32)}
/* ================= LAYOUT ================= */
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.section{padding:84px 0;position:relative}
.section + .section{border-top:1px solid rgba(96,165,250,.08)}
.section--soft{background:linear-gradient(180deg,rgba(9,18,40,.55),rgba(4,8,20,.2))}
.section--deep{background:linear-gradient(180deg,rgba(2,4,11,.9),rgba(6,14,32,.5))}
.section-head{max-width:780px;margin-bottom:36px}
.section-head--wide{max-width:920px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16.5px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
h2{font-size:clamp(23px,2.7vw,33px)}
h3{font-size:18px}
.muted{color:var(--muted)}
/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-xs);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  white-space:nowrap;line-height:1.2;
}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:var(--r-sm)}
.btn-primary{
  background:linear-gradient(135deg,#67E8F9 0%,#38BDF8 32%,#2563EB 100%);
  color:#04101F;font-weight:800;letter-spacing:.01em;
  box-shadow:0 0 24px rgba(56,189,248,.44),0 14px 30px -14px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.62),0 20px 38px -16px rgba(37,99,235,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(255,255,255,.035);border-color:rgba(148,169,201,.3);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;font-weight:800;box-shadow:0 0 22px rgba(251,191,36,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-block{width:100%}
/* ================= PILLS / TAGS ================= */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);
  color:#A5F3FC;box-shadow:var(--glow-cyan);
}
.tag{display:inline-block;padding:4px 11px;border-radius:7px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.tag-hot{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.4)}
.tag-cyan{background:rgba(34,211,238,.12);color:#A5F3FC;border:1px solid rgba(34,211,238,.34)}
.tag-gold{background:rgba(251,191,36,.13);color:#FDE68A;border:1px solid rgba(251,191,36,.36)}
.tag-lime{background:rgba(163,230,53,.12);color:#D9F99D;border:1px solid rgba(163,230,53,.32)}
/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(3,6,15,.76);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(150deg,rgba(34,211,238,.24),rgba(37,99,235,.42));
  border:1px solid rgba(34,211,238,.42);
  box-shadow:inset 0 0 22px rgba(34,211,238,.28),0 0 18px rgba(34,211,238,.2);
}
.brand-text strong{display:block;font-size:14.5px;font-weight:700;line-height:1.25}
.brand-text small{display:block;font-size:10.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 15px;border-radius:11px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.main-nav a:hover{color:#fff;background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.24)}
.main-nav a.is-active{color:#fff;background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.42);box-shadow:0 0 18px rgba(34,211,238,.24)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:19px;height:2px;margin:3.5px auto;background:var(--text);border-radius:2px;transition:.24s}
/* ================= HERO ================= */
.cat-hero{position:relative;overflow:hidden;padding:74px 0 80px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/4bc205a99142f005.jpg') center/cover no-repeat;opacity:.26}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(3,6,15,.97) 8%,rgba(4,10,26,.72) 52%,rgba(3,6,15,.94) 100%);
}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(29px,4.1vw,48px);line-height:1.16;margin:16px 0 18px}
.hero-copy h1 span{
  background:linear-gradient(120deg,#A5F3FC,#38BDF8 45%,#67E8F9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:16.8px;line-height:1.72;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;font-size:12.5px;color:var(--dim)}
.hero-note span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.spec-panel{
  background:var(--surface-2);border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:26px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.spec-panel h3{font-size:15px;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:18px}
.spec-panel h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(96,165,250,.2);font-size:14px}
.spec-row:last-of-type{border-bottom:0}
.spec-row dt{color:var(--muted)}
.spec-row dd{margin:0;font-weight:700;color:#fff}
.spec-meter{margin-top:18px;padding:14px;border-radius:var(--r-sm);background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.24)}
.spec-meter span{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#A5F3FC;margin-bottom:8px}
.meter-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.meter-bar i{display:block;height:100%;width:96%;border-radius:99px;background:linear-gradient(90deg,#22D3EE,#2563EB);box-shadow:0 0 16px rgba(34,211,238,.6)}
.spec-meter b{display:block;margin-top:8px;font-size:13px;color:var(--muted);font-weight:500}
/* ================= CARD GRIDS ================= */
.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(--line);border-radius:var(--r);
  padding:24px;transition:all .26s var(--ease);position:relative;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 46px -26px rgba(37,99,235,.9)}
.card .card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;margin-bottom:16px;
  background:linear-gradient(150deg,rgba(34,211,238,.18),rgba(37,99,235,.34));
  border:1px solid rgba(34,211,238,.32);
}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.68}
.card-stat{margin-top:16px;display:flex;align-items:baseline;gap:8px}
.card-stat b{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.03em}
.card-stat span{font-size:12.5px;color:var(--dim)}
/* ================= SCENARIO ================= */
.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scenario{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;
  padding:22px;border-radius:var(--r);background:linear-gradient(160deg,rgba(15,29,62,.7),rgba(6,14,32,.5));
  border:1px solid var(--line);transition:all .24s var(--ease);
}
.scenario:hover{border-color:rgba(34,211,238,.45);transform:translateY(-3px)}
.scenario-idx{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:17px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.34);color:#A5F3FC;
}
.scenario h3{font-size:16.5px;margin-bottom:7px}
.scenario p{color:var(--muted);font-size:14.4px}
/* ================= STEPS ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:st}
.step{
  padding:24px 20px;border-radius:var(--r);background:rgba(9,18,40,.6);
  border:1px solid var(--line);position:relative;transition:.24s var(--ease);
}
.step:hover{background:rgba(14,28,58,.75);border-color:var(--line-strong)}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  display:block;font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--sky);margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.3px}
/* ================= COMPARE ================= */
.compare-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:start}
.table-scroll{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--surface)}
table.compare{width:100%;border-collapse:collapse;min-width:520px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.4px;border-bottom:1px solid rgba(96,165,250,.12)}
table.compare thead th{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);background:rgba(255,255,255,.03)}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td.col-app{color:#D9F99D;font-weight:600}
table.compare td.col-web{color:var(--muted)}
.device-box{padding:24px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line-strong)}
.device-box h3{font-size:16px;margin-bottom:14px}
.device-list li{display:flex;gap:10px;padding:9px 0;font-size:14.2px;color:var(--muted);border-bottom:1px dashed rgba(96,165,250,.16)}
.device-list li:last-child{border-bottom:0}
.device-list li b{color:#fff;font-weight:700;flex:0 0 auto}
.device-list li span{color:var(--dim)}
/* ================= REVIEWS ================= */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{padding:24px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;
  background:linear-gradient(140deg,rgba(34,211,238,.28),rgba(37,99,235,.5));border:1px solid rgba(34,211,238,.36);
}
.review-top strong{display:block;font-size:14.5px}
.review-top small{color:var(--dim);font-size:12px}
.review p{color:var(--muted);font-size:14.5px}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-top:12px;display:block}
/* ================= POSTS ================= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);transition:.26s var(--ease);
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 44px -26px rgba(37,99,235,.9)}
.post-card h3{font-size:16.5px;line-height:1.45}
.post-card p{color:var(--muted);font-size:14.3px;flex:1}
.post-meta{font-size:12.5px;color:var(--dim);display:flex;align-items:center;gap:8px}
.post-meta::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.empty-note{padding:26px;border-radius:var(--r);border:1px dashed var(--line-strong);color:var(--muted);text-align:left}
.list-foot{margin-top:28px;display:flex;justify-content:flex-start}
/* ================= CHANNELS ================= */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  padding:26px;border-radius:var(--r);border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(15,29,62,.8),rgba(5,12,28,.6));
  transition:.26s var(--ease);display:flex;flex-direction:column;gap:10px;min-height:170px;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.5);box-shadow:0 0 30px -8px rgba(34,211,238,.35)}
.channel-card .tag{align-self:flex-start}
.channel-card h3{font-size:17.5px}
.channel-card p{color:var(--muted);font-size:14.3px;flex:1}
.channel-card .arrow{font-size:13.5px;color:#A5F3FC;font-weight:600}
.channel-card.is-current{border-color:rgba(34,211,238,.55);box-shadow:0 0 34px -10px rgba(34,211,238,.5)}
/* ================= FAQ ================= */
.faq-list{max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:.22s var(--ease)}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.34);color:#A5F3FC;font-size:15px;transition:.24s
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-item p{padding:0 20px 20px;color:var(--muted);font-size:14.7px}
/* ================= CTA ================= */
.cta-box{
  border-radius:var(--r-lg);padding:40px;border:1px solid rgba(34,211,238,.34);
  background:
    radial-gradient(600px 260px at 88% -20%, rgba(34,211,238,.22), transparent 62%),
    linear-gradient(150deg,rgba(15,29,62,.92),rgba(4,10,26,.86));
  box-shadow:var(--shadow);display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;
}
.cta-box h2{margin-bottom:12px}
.cta-box p{color:var(--muted);font-size:15.5px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.assurance{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.assurance span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.assurance span::before{content:"✓";color:var(--lime);font-weight:800}
/* ================= FOOTER ================= */
.site-footer{background:linear-gradient(180deg,rgba(2,4,11,.94),rgba(4,9,22,.98));border-top:1px solid var(--line);padding:62px 0 26px;margin-top:12px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:14.2px;margin-top:16px;max-width:400px}
.footer-brand .brand{margin-bottom:4px}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badges span{font-size:11.5px;font-weight:600;padding:6px 12px;border-radius:8px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.24);color:#A5F3FC}
.footer-col h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;color:var(--muted);font-size:14.2px;padding:6px 0;transition:.2s}
.footer-col a:hover{color:#A5F3FC;transform:translateX(3px)}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.age-badge{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:11.5px;font-weight:800;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.42);color:#FDA4AF;
}
/* ================= STICKY CTA + FAB ================= */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(3,6,15,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line-strong);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0}
.sticky-text strong{display:block;font-size:14.5px}
.sticky-text span{display:block;font-size:12.5px;color:var(--muted)}
.fab{
  position:fixed;left:16px;bottom:104px;z-index:75;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,7,13,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(34,211,238,.55);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  transition:.28s var(--ease);opacity:.88;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(34,211,238,.7)}
.fab:active{transform:scale(.94)}
.fab-icon{font-size:22px;line-height:1}
.fab-dot{
  position:absolute;top:9px;right:9px;width:9px;height:9px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 10px var(--rose);animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
/* ================= RESPONSIVE ================= */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-3,.review-grid,.post-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .grid-4,.steps{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 22px;background:rgba(3,6,15,.98);border-bottom:1px solid var(--line-strong);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:13px 14px;font-size:15px}
  .nav-toggle{display:block}
  .header-inner{gap:12px}
  .header-actions .btn-ghost{display:inline-flex}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .container{width:min(1200px,100% - 32px)}
  .cat-hero{padding:52px 0 60px}
  .scenario-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.steps,.review-grid,.post-grid,.channel-grid{grid-template-columns:1fr}
  .sticky-text span{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  body{padding-bottom:96px}
  .header-actions .btn-ghost{display:none}
  .hero-actions .btn{width:100%}
  .sticky-inner{padding:10px 0}
  .sticky-text strong{font-size:13.4px}
  .fab{bottom:96px;width:52px;height:52px}
  .spec-panel{padding:20px}
  .cta-box{padding:24px}
  .brand-text strong{font-size:13.4px}
}

/* roulang page: category3 */
/* roulang page: category3 */
/* ================= DESIGN TOKENS ================= */
:root{
  --bg:#03060F;
  --bg-soft:#06101F;
  --bg-deep:#02040B;
  --surface:rgba(11,22,48,.66);
  --surface-2:rgba(15,29,62,.88);
  --surface-3:rgba(20,38,78,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(96,165,250,.36);
  --text:#EAF2FF;
  --muted:#9BB0D0;
  --dim:#6C7FA3;
  --cyan:#22D3EE;
  --sky:#38BDF8;
  --blue:#2563EB;
  --gold:#FBBF24;
  --lime:#A3E635;
  --rose:#F43F5E;
  --r-xs:10px;
  --r-sm:14px;
  --r:20px;
  --r-lg:28px;
  --shadow:0 28px 70px -34px rgba(0,0,0,.95);
  --glow-cyan:0 0 26px rgba(34,211,238,.32);
  --glow-blue:0 0 34px rgba(56,189,248,.34);
  --ease:cubic-bezier(.22,.68,.36,1);
}
/* ================= RESET / BASE ================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:96px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(880px 520px at -6% 16%, rgba(34,211,238,.15), transparent 56%),
    radial-gradient(760px 620px at 50% 108%, rgba(37,99,235,.16), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,211,238,.34);color:#fff}

/* ================= LAYOUT ================= */
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.section{padding:84px 0;position:relative}
.section + .section{border-top:1px solid rgba(96,165,250,.08)}
.section--soft{background:linear-gradient(180deg,rgba(9,18,40,.55),rgba(4,8,20,.2))}
.section--deep{background:linear-gradient(180deg,rgba(2,4,11,.9),rgba(6,14,32,.5))}
.section-head{max-width:780px;margin-bottom:38px}
.section-head--wide{max-width:920px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.section-head p{color:var(--muted);margin-top:14px;font-size:16.5px;line-height:1.7}
.muted{color:var(--muted)}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(96,165,250,.35),transparent);border:0;margin:0}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-xs);font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  white-space:nowrap;line-height:1.2;text-align:center;
}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:var(--r-sm)}
.btn-primary{
  background:linear-gradient(135deg,#67E8F9 0%,#38BDF8 32%,#2563EB 100%);
  color:#04101F;font-weight:800;letter-spacing:.01em;
  box-shadow:0 0 24px rgba(56,189,248,.44),0 14px 30px -14px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.62),0 20px 38px -16px rgba(37,99,235,1)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:rgba(255,255,255,.035);border-color:rgba(148,169,201,.3);color:var(--text)}
.btn-ghost:hover{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;font-weight:800;box-shadow:0 0 22px rgba(251,191,36,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-block{width:100%}

/* ================= PILLS / TAGS ================= */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);
  color:#A5F3FC;box-shadow:var(--glow-cyan);
}
.tag{display:inline-block;padding:4px 11px;border-radius:7px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.tag-hot{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.4)}
.tag-cyan{background:rgba(34,211,238,.12);color:#A5F3FC;border:1px solid rgba(34,211,238,.34)}
.tag-gold{background:rgba(251,191,36,.13);color:#FDE68A;border:1px solid rgba(251,191,36,.36)}
.tag-lime{background:rgba(163,230,53,.12);color:#D9F99D;border:1px solid rgba(163,230,53,.32)}

/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(3,6,15,.76);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(150deg,rgba(34,211,238,.24),rgba(37,99,235,.42));
  border:1px solid rgba(34,211,238,.42);
  box-shadow:inset 0 0 22px rgba(34,211,238,.28),0 0 18px rgba(34,211,238,.2);
}
.brand-text strong{display:block;font-size:14.5px;font-weight:700;line-height:1.25;letter-spacing:-.015em}
.brand-text small{display:block;font-size:10.5px;color:var(--dim);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 15px;border-radius:11px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.main-nav a:hover{color:#fff;background:rgba(34,211,238,.09);border-color:rgba(34,211,238,.24)}
.main-nav a.is-active{color:#fff;background:rgba(34,211,238,.15);border-color:rgba(34,211,238,.42);box-shadow:0 0 18px rgba(34,211,238,.24)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:19px;height:2px;margin:3.5px auto;background:var(--text);border-radius:2px;transition:.24s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ================= HERO (category) ================= */
.cat-hero{
  position:relative;padding:70px 0 76px;overflow:hidden;
  background-image:
    linear-gradient(105deg,rgba(3,6,15,.96) 0%,rgba(3,6,15,.86) 46%,rgba(3,6,15,.72) 100%),
    url('/assets/images/2d661f843fd00201.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(96,165,250,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(96,165,250,.06) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(circle at 22% 40%,#000 0%,transparent 74%);
}
.cat-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--dim);margin-bottom:24px}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--cyan)}
.crumbs span{opacity:.55}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
.hero-copy h1{font-size:clamp(29px,4.1vw,46px);font-weight:800;letter-spacing:-.03em;margin:16px 0 0}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#67E8F9,#38BDF8 46%,#FBBF24);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:17px;line-height:1.72;margin-top:20px;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:36px;
  border-top:1px solid var(--line);padding-top:26px;
}
.hero-stats div strong{display:block;font-size:20px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-stats div span{display:block;font-size:12.5px;color:var(--dim);margin-top:3px;letter-spacing:.04em}

/* pack compare panel */
.pack-panel{
  background:linear-gradient(165deg,rgba(15,29,62,.92),rgba(6,14,32,.86));
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:26px 24px 24px;box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.pack-panel h2{font-size:17px;font-weight:700;letter-spacing:-.01em}
.pack-panel > p{font-size:13.5px;color:var(--dim);margin-top:8px;line-height:1.6}
.pack-list{display:grid;gap:12px;margin-top:20px}
.pack{
  border:1px solid var(--line);border-radius:var(--r-sm);padding:15px 16px;
  background:rgba(9,18,40,.6);transition:all .24s var(--ease);position:relative;
}
.pack:hover{border-color:rgba(34,211,238,.45);transform:translateY(-2px)}
.pack.is-reco{
  border-color:rgba(56,189,248,.72);
  background:linear-gradient(150deg,rgba(34,211,238,.16),rgba(37,99,235,.2));
  box-shadow:0 0 30px rgba(56,189,248,.3);
}
.pack-flag{
  position:absolute;top:-11px;right:14px;
  font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  padding:4px 11px;border-radius:999px;
  background:linear-gradient(135deg,#FCD34D,#F59E0B);color:#251500;
  box-shadow:0 0 16px rgba(251,191,36,.5);
}
.pack-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.pack-top strong{font-size:14.5px;font-weight:700}
.pack-price{font-size:16px;font-weight:800;color:#A5F3FC;white-space:nowrap}
.pack ul{margin-top:10px;display:grid;gap:6px}
.pack li{font-size:13px;color:var(--muted);padding-left:17px;position:relative;line-height:1.55}
.pack li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--cyan),var(--blue))}
.pack-panel .btn{margin-top:20px}
.pack-note{margin-top:12px;font-size:12px;color:var(--dim);text-align:center}

/* ================= GENERIC GRIDS ================= */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;align-items:center}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}

/* benefit cards */
.benefit{
  border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;
  background:linear-gradient(170deg,rgba(15,29,62,.72),rgba(6,14,32,.6));
  transition:all .26s var(--ease);position:relative;overflow:hidden;
}
.benefit::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .26s;
  background:radial-gradient(420px 160px at 20% 0%,rgba(34,211,238,.16),transparent 70%);
}
.benefit:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 48px -28px rgba(34,211,238,.6)}
.benefit:hover::before{opacity:1}
.benefit > *{position:relative;z-index:1}
.benefit h3{font-size:18.5px;font-weight:700;margin:14px 0 10px}
.benefit p{color:var(--muted);font-size:14.5px;line-height:1.68}
.benefit ul{margin-top:16px;display:grid;gap:8px}
.benefit li{font-size:13.5px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;line-height:1.55}
.benefit li i{flex:0 0 auto;width:16px;height:16px;margin-top:4px;border-radius:5px;background:linear-gradient(135deg,rgba(34,211,238,.5),rgba(37,99,235,.6))}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  border-top:1px solid var(--line-strong);padding-top:22px;position:relative;
}
.step-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04202E;
  background:linear-gradient(135deg,#67E8F9,#38BDF8);
  box-shadow:0 0 22px rgba(56,189,248,.42);margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted);line-height:1.66}
.step-tag{display:inline-block;margin-top:12px;font-size:11.5px;color:#A5F3FC;letter-spacing:.06em;text-transform:uppercase;font-weight:700}

/* promo schedule list */
.promo-list{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(9,18,40,.5)}
.promo-row{
  display:grid;grid-template-columns:190px 1fr auto;gap:18px;align-items:center;
  padding:18px 24px;border-bottom:1px solid rgba(96,165,250,.1);transition:background .22s var(--ease);
}
.promo-row:last-child{border-bottom:0}
.promo-row:hover{background:rgba(34,211,238,.07)}
.promo-day{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan)}
.promo-row p{font-size:14.5px;color:var(--muted);line-height:1.6}
.promo-row p strong{color:var(--text);font-weight:700}
.promo-val{font-size:15px;font-weight:800;color:#FDE68A;white-space:nowrap}

/* tier data blocks */
.tier{
  border:1px solid var(--line);border-radius:var(--r-sm);padding:20px 18px;
  background:linear-gradient(170deg,rgba(20,38,78,.6),rgba(6,14,32,.5));
  transition:all .24s var(--ease);
}
.tier:hover{border-color:rgba(251,191,36,.5);transform:translateY(-3px)}
.tier-amount{font-size:13px;color:var(--dim);letter-spacing:.06em;text-transform:uppercase;font-weight:700}
.tier-gift{font-size:22px;font-weight:800;margin-top:10px;letter-spacing:-.02em;color:#FDE68A}
.tier p{font-size:13.5px;color:var(--muted);margin-top:9px;line-height:1.6}

/* featured image block */
.feature-block{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);position:relative}
.feature-block img{width:100%;height:100%;object-fit:cover;min-height:320px}
.feature-copy h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:16px}
.feature-copy p{color:var(--muted);font-size:15.5px;line-height:1.72;margin-bottom:14px}
.rules-list{display:grid;gap:12px;margin-top:22px}
.rules-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-xs);padding:14px 16px;background:rgba(9,18,40,.45);
  transition:all .22s var(--ease);
}
.rules-list li:hover{border-color:var(--line-strong);background:rgba(20,38,78,.55)}
.rules-list b{color:var(--text);font-weight:700}
.rules-list span.dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 12px rgba(34,211,238,.7)}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:block;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:linear-gradient(170deg,rgba(15,29,62,.7),rgba(6,14,32,.6));
  transition:all .26s var(--ease);
}
.news-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.5);box-shadow:0 26px 52px -30px rgba(34,211,238,.8)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(6,14,32,.8)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:18px 20px 22px}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.45;margin:12px 0 9px}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.62;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.5px;color:var(--dim)}

/* FAQ */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:rgba(9,18,40,.5);overflow:hidden;transition:border-color .24s var(--ease)}
.faq-item[open]{border-color:var(--line-strong);background:rgba(15,29,62,.65)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:17px;font-weight:700;color:#A5F3FC;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.34);
  transition:.24s var(--ease);
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item .faq-a{padding:0 22px 22px;color:var(--muted);font-size:14.8px;line-height:1.72}

/* CTA band */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:44px 40px;
  background:
    radial-gradient(620px 240px at 12% 0%,rgba(34,211,238,.18),transparent 66%),
    linear-gradient(150deg,rgba(15,29,62,.92),rgba(4,9,22,.94));
  box-shadow:var(--shadow);display:grid;grid-template-columns:1.35fr auto;gap:34px;align-items:center;
}
.cta-band h2{font-size:clamp(23px,2.9vw,32px);font-weight:800}
.cta-band p{color:var(--muted);margin-top:14px;font-size:15.5px;line-height:1.7;max-width:640px}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:12px;min-width:240px}

/* file container icons row */
.logo-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.logo-row span{
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;background:rgba(9,18,40,.5);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:104px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:13px;font-weight:700;color:#EAF2FF;transition:all .26s var(--ease);
}
.fab:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.7);opacity:1}
.fab:active{transform:translateY(0) scale(.97)}
.fab-icon{font-size:17px;animation:fabPulse 2.6s var(--ease) infinite}
.fab-dot{width:6px;height:6px;border-radius:50%;background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:dot 1.6s infinite}
@keyframes fabPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes dot{0%,100%{opacity:1}50%{opacity:.35}}

/* bottom conversion bar */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(3,6,15,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line-strong);padding:13px 0;
}
.bottom-bar .container{display:flex;align-items:center;justify-content:space-between;gap:18px}
.bottom-bar strong{display:block;font-size:14.5px;font-weight:700}
.bottom-bar span{display:block;font-size:12.5px;color:var(--dim);margin-top:2px}
.bottom-bar .bar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

/* ================= FOOTER ================= */
.site-footer{
  border-top:1px solid var(--line);padding:64px 0 30px;margin-top:10px;
  background:linear-gradient(180deg,rgba(4,9,22,.5),rgba(2,4,11,.95));
}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.25fr;gap:38px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin-top:18px;max-width:400px}
.pay-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pay-badges span{
  font-size:12px;font-weight:700;letter-spacing:.04em;color:#A5F3FC;
  border:1px solid rgba(34,211,238,.3);border-radius:8px;padding:6px 12px;background:rgba(34,211,238,.08);
}
.footer-col h4{font-size:13.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:18px}
.footer-col a,.footer-col li{display:block;font-size:14px;color:var(--muted);margin-bottom:11px;line-height:1.55;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(--line);margin-top:44px;padding-top:22px;font-size:13px;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:36px;height:26px;border-radius:8px;
  font-size:11.5px;font-weight:800;color:#FDA4AF;border:1px solid rgba(244,63,94,.45);background:rgba(244,63,94,.12);
}

/* ================= RESPONSIVE ================= */
@media (max-width:1080px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:18px 20px 26px;background:rgba(3,6,15,.98);
    border-bottom:1px solid var(--line);backdrop-filter:blur(18px);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:.26s var(--ease);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:26px}
  .cta-band .cta-actions{flex-direction:row;flex-wrap:wrap;min-width:0}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr;gap:30px}
  .promo-row{grid-template-columns:150px 1fr;gap:12px}
  .promo-val{grid-column:2}
  .section{padding:68px 0}
}
@media (max-width:640px){
  body{padding-bottom:110px}
  .container{width:min(1200px,100% - 32px)}
  .header-inner{gap:12px;height:70px}
  .brand-mark{width:40px;height:40px;font-size:19px}
  .brand-text strong{font-size:13px}
  .brand-text small{font-size:9.5px;letter-spacing:.12em}
  .header-actions{gap:8px}
  .header-actions .btn-ghost{padding:8px 11px;font-size:12.5px}
  .header-actions .btn-primary{padding:8px 12px;font-size:12.5px}
  .nav-toggle{width:40px;height:40px}
  .main-nav{top:70px}
  .cat-hero{padding:52px 0 60px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .hero-cta .btn{width:100%}
  .grid-3,.grid-4,.steps,.news-grid{grid-template-columns:1fr}
  .pack-panel{padding:22px 18px}
  .promo-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .promo-val{grid-column:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:30px 22px}
  .cta-band .cta-actions{flex-direction:column}
  .cta-band .cta-actions .btn{width:100%}
  .bottom-bar strong{font-size:13px}
  .bottom-bar span{display:none}
  .bottom-bar .bar-actions .btn-ghost{display:none}
  .fab{left:12px;bottom:96px;padding:11px 15px;font-size:12px}
  .section{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:380px){
  .brand-text small{display:none}
  .hero-stats{grid-template-columns:1fr}
}