/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:#0B1830;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.96);border-bottom-color:rgba(56,189,248,.3)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  box-shadow:0 0 18px rgba(56,189,248,.45);font-size:1rem;
}
.brand-text em{font-style:normal;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:500;
  color:var(--muted);transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(37,99,235,.14)}
.nav-link.is-active{color:var(--brand-2);background:rgba(37,99,235,.16)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(56,189,248,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;align-items:center;justify-content:center;
  border:1px solid rgba(96,165,250,.3);color:var(--brand-2);font-size:1rem;
  background:rgba(8,18,41,.7);transition:.22s ease;
}
.nav-toggle:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:.93rem;font-weight:600;line-height:1;
  border:1px solid transparent;transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121f;box-shadow:0 0 24px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  border-color:rgba(96,165,250,.38);color:#DBEAFE;background:rgba(8,18,41,.55);
}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn-sm{padding:10px 17px;font-size:.84rem}

/* ============ SECTION BASE ============ */
main{display:block}
.section{padding:80px 0;position:relative}
.section.tight{padding:58px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(96,165,250,.12)}
.sec-head{max-width:800px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(1.5rem,3.1vw,2.3rem);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:1rem;line-height:1.7}
h3{font-size:1.12rem;margin-bottom:10px}

/* ============ HERO ============ */
.hero{
  position:relative;margin-top:70px;
  min-height:520px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.86) 42%,rgba(8,18,41,.55) 100%),url('/assets/images/f5f50f70c55734e9.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(96,165,250,.16);
  padding:76px 0 66px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 70% at 82% 25%,rgba(37,99,235,.28),transparent 70%),
             radial-gradient(50% 60% at 12% 90%,rgba(56,189,248,.16),transparent 72%);
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.35);
  font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(1.72rem,4.1vw,3rem);font-weight:800;letter-spacing:-.025em;
  max-width:960px;margin-bottom:20px;
  background:linear-gradient(100deg,#FFFFFF 20%,#BAE6FD 62%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:730px;color:#CBD5E1;font-size:1.02rem;line-height:1.72;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border-top:1px solid rgba(96,165,250,.2);padding-top:24px;max-width:860px;
}
.hero-stat{padding-right:20px}
.hero-stat + .hero-stat{padding-left:22px;border-left:1px solid rgba(96,165,250,.16)}
.hero-stat strong{display:block;font-size:1.42rem;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{font-size:.8rem;color:var(--muted)}

/* ============ TRUST STRIP ============ */
.trust-strip{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;
  padding:26px 0 8px;
}
.trust-item{
  display:flex;align-items:center;gap:11px;padding:14px 16px;border-radius:var(--radius);
  background:rgba(11,24,48,.7);border:1px solid rgba(96,165,250,.16);
  font-size:.85rem;color:#CBD5E1;transition:.25s ease;
}
.trust-item:hover{border-color:var(--line-strong);background:rgba(17,36,72,.85)}
.trust-item i{color:var(--brand-2);font-size:1rem}

/* ============ CARD SYSTEM ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.card{
  background:linear-gradient(160deg,rgba(17,32,64,.86) 0%,rgba(8,18,41,.72) 100%);
  border:1px solid rgba(96,165,250,.18);
  border-radius:var(--radius-lg);
  padding:26px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 52px -30px rgba(56,189,248,.75)}
.card p{color:var(--muted);font-size:.93rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.18));
  border:1px solid rgba(56,189,248,.3);color:var(--brand-2);font-size:1.08rem;
}
.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-card img{width:100%;height:186px;object-fit:cover}
.case-body{padding:22px 24px 26px}
.case-quote{font-size:.94rem;color:#CBD5E1;line-height:1.68;margin-bottom:16px}
.case-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.82rem;color:var(--dim)}
.case-meta strong{color:var(--brand-2);font-weight:700}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:.72rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--brand-2);
  background:rgba(37,99,235,.16);border:1px solid rgba(56,189,248,.3);
}
.tag-gold{color:#FCD34D;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.32)}
.tag-red{color:#FCA5A5;background:rgba(239,68,68,.14);border-color:rgba(248,113,113,.32)}

/* ============ KPI ============ */
.kpi-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid rgba(96,165,250,.18);border-radius:var(--radius-lg);overflow:hidden;background:rgba(8,18,41,.7)}
.kpi{padding:32px 26px;border-right:1px solid rgba(96,165,250,.14);transition:background .25s ease}
.kpi:last-child{border-right:0}
.kpi:hover{background:rgba(37,99,235,.12)}
.kpi b{display:block;font-size:2rem;font-weight:800;line-height:1.15;color:#fff;letter-spacing:-.02em}
.kpi b em{font-style:normal;font-size:1.1rem;color:var(--brand-2)}
.kpi span{display:block;margin-top:8px;font-size:.86rem;color:var(--muted)}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(96,165,250,.18)}
.compare-col{padding:30px 28px}
.compare-col.bad{background:rgba(11,18,36,.85)}
.compare-col.good{background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(56,189,248,.08))}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.05rem;margin-bottom:20px}
.compare-col.bad h3{color:var(--muted)}
.compare-col.good h3{color:var(--brand-2)}
.compare-list li{display:flex;gap:11px;align-items:flex-start;font-size:.92rem;color:var(--muted);padding:9px 0;border-bottom:1px dashed rgba(96,165,250,.13)}
.compare-list li:last-child{border-bottom:0}
.compare-col.good .compare-list li{color:#E2E8F0}
.compare-list i{margin-top:4px;font-size:.8rem}
.compare-col.bad .compare-list i{color:#64748B}
.compare-col.good .compare-list i{color:var(--brand-2)}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step{position:relative;padding:30px 26px 26px;border-radius:var(--radius-lg);background:rgba(11,24,48,.72);border:1px solid rgba(96,165,250,.18);transition:.28s ease}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-num{
  position:absolute;top:-17px;left:26px;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:.98rem;color:#04121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 20px rgba(56,189,248,.5);
}
.step h3{margin:10px 0 8px;font-size:1.03rem}
.step p{color:var(--muted);font-size:.9rem}

/* ============ GAME GRID ============ */
.game-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(96,165,250,.18);background:rgba(8,18,41,.8);transition:.3s ease}
.game-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 26px 50px -28px rgba(56,189,248,.7)}
.game-card img{width:100%;height:158px;object-fit:cover;transition:transform .45s ease}
.game-card:hover img{transform:scale(1.06)}
.game-body{padding:18px 20px 22px}
.game-body h3{font-size:1rem;margin-bottom:7px}
.game-body p{font-size:.86rem;color:var(--muted)}
.game-tag{
  position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:8px;
  font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(120deg,#DC2626,#F97316);color:#fff;box-shadow:0 6px 18px -8px rgba(239,68,68,.9);
}

/* ============ APP DOWNLOAD ============ */
.app-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.app-panel{
  background:linear-gradient(150deg,rgba(17,32,64,.9),rgba(8,18,41,.72));
  border:1px solid rgba(96,165,250,.22);border-radius:var(--radius-lg);padding:34px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.app-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(96,165,250,.13);font-size:.92rem;color:#CBD5E1}
.app-list li:last-child{border-bottom:0}
.app-list i{color:var(--brand-2);margin-top:4px}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.dl-btn{
  display:flex;align-items:center;gap:12px;padding:13px 20px;border-radius:14px;
  background:rgba(3,7,18,.75);border:1px solid rgba(96,165,250,.3);transition:.25s ease;
}
.dl-btn:hover{border-color:var(--brand-2);transform:translateY(-3px);box-shadow:0 16px 34px -20px rgba(56,189,248,.85)}
.dl-btn i{font-size:1.5rem;color:var(--brand-2)}
.dl-btn b{display:block;font-size:.9rem;font-weight:700;color:#fff}
.dl-btn small{display:block;font-size:.74rem;color:var(--muted)}
.app-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(96,165,250,.2)}
.app-figure img{width:100%;height:auto}

/* ============ GUIDE ARTICLE ============ */
.guide-block{
  background:rgba(8,18,41,.7);border:1px solid rgba(96,165,250,.18);
  border-radius:var(--radius-lg);padding:34px;
}
.guide-block h2{font-size:clamp(1.34rem,2.6vw,1.9rem);margin-bottom:16px}
.guide-block h3{font-size:1.05rem;color:var(--brand-2);margin:26px 0 10px;display:flex;gap:10px;align-items:center}
.guide-block h3 i{font-size:.9rem}
.guide-block p{color:var(--muted);font-size:.94rem;margin-bottom:12px}
.guide-block ol{margin:0 0 8px;padding-left:20px;color:var(--muted);font-size:.93rem}
.guide-block ol li{margin-bottom:9px;padding-left:4px}
.guide-block ol li b{color:#E2E8F0;font-weight:600}

/* ============ BONUS LADDER ============ */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.rung{
  border-radius:var(--radius-lg);padding:26px 22px;border:1px solid rgba(96,165,250,.18);
  background:rgba(11,24,48,.7);transition:.28s ease;position:relative;
}
.rung:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.rung.hot{background:linear-gradient(160deg,rgba(251,191,36,.16),rgba(8,18,41,.85));border-color:rgba(251,191,36,.36)}
.rung b{display:block;font-size:1.32rem;font-weight:800;color:#fff;margin-bottom:6px}
.rung span{display:block;font-size:.83rem;color:var(--muted);margin-bottom:14px}
.rung p{font-size:.86rem;color:#CBD5E1}

/* ============ CATEGORY WALL ============ */
.cat-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-item{
  display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(17,32,64,.85),rgba(8,18,41,.7));
  border:1px solid rgba(96,165,250,.18);transition:.28s ease;
}
.cat-item:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:0 24px 48px -28px rgba(56,189,248,.7)}
.cat-item i{font-size:1.3rem;color:var(--brand-2)}
.cat-item h3{font-size:1.04rem}
.cat-item p{font-size:.88rem;color:var(--muted)}
.cat-item span{font-size:.83rem;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px;margin-top:auto}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  border-radius:var(--radius-lg);border:1px solid rgba(96,165,250,.18);
  background:rgba(11,24,48,.68);padding:24px;transition:.28s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.news-card .tag{margin-bottom:14px;align-self:flex-start}
.news-link h3{font-size:1rem;line-height:1.45;margin-bottom:10px;transition:color .2s ease}
.news-card:hover .news-link h3{color:var(--brand-2)}
.news-card p{font-size:.88rem;color:var(--muted);margin-bottom:16px}
.news-meta{margin-top:auto;font-size:.78rem;color:var(--dim);display:flex;gap:14px;align-items:center}
.empty-note{color:var(--muted);font-size:.92rem;grid-column:1/-1;padding:26px;border:1px dashed rgba(96,165,250,.28);border-radius:var(--radius-lg);text-align:center}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid rgba(96,165,250,.18);border-radius:var(--radius);background:rgba(11,24,48,.62);overflow:hidden;transition:.25s ease}
.faq-item.open{border-color:var(--line-strong);background:rgba(17,36,72,.75)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;text-align:left;font-size:.98rem;font-weight:600;color:#E2E8F0;
}
.faq-q i{color:var(--brand-2);transition:transform .3s ease;font-size:.85rem;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:.92rem}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:28px;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.86) 55%,rgba(37,99,235,.45) 100%),url('/assets/images/1627d9af9e199b79.jpg');
  background-size:cover;background-position:center;
  border:1px solid rgba(56,189,248,.3);
  padding:52px 44px;
}
.cta-band h2{font-size:clamp(1.45rem,3vw,2.1rem);max-width:660px;margin-bottom:14px}
.cta-band p{color:#CBD5E1;max-width:620px;font-size:.96rem;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:20px;font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:18px;align-items:center}

/* ============ FOOTER ============ */
.site-footer{background:#020610;border-top:1px solid rgba(96,165,250,.16);padding:62px 0 0;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1rem;margin-bottom:16px}
.foot-grid p{color:var(--muted);font-size:.87rem;line-height:1.7}
.foot-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:#E2E8F0;margin-bottom:16px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:.87rem;color:var(--muted);transition:color .2s ease}
.foot-col a:hover{color:var(--brand-2)}
.foot-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.foot-badge{font-size:.72rem;font-weight:700;padding:7px 13px;border-radius:9px;background:rgba(37,99,235,.13);border:1px solid rgba(96,165,250,.24);color:var(--brand-2);letter-spacing:.05em}
.foot-bottom{border-top:1px solid rgba(96,165,250,.14);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--dim)}
.age-badge{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1.5px solid rgba(248,113,113,.55);color:#FCA5A5;font-size:.72rem;font-weight:800;margin-right:10px}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:flex;align-items:center;gap:10px;padding:12px 18px 12px 14px;
  border-radius:999px;min-height:56px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1.5px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,#38BDF8,#2563EB,#22D3EE);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  color:#E2E8F0;font-size:.85rem;font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  opacity:.78;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(6,182,212,.7)}
.fab:active{transform:scale(.95)}
.fab i{font-size:1.05rem;color:#38BDF8;animation:fabPulse 2.6s ease-in-out infinite}
@keyframes fabPulse{0%,100%{opacity:.75}50%{opacity:1;text-shadow:0 0 12px rgba(56,189,248,.95)}}
.fab-dot{
  position:absolute;top:4px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 10px rgba(239,68,68,.95);animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px}
  .hero-stat:nth-child(3){padding-left:0;border-left:0}
  .trust-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-3,.news-grid,.cat-wall,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4,.ladder,.kpi-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi{border-bottom:1px solid rgba(96,165,250,.14)}
  .kpi:nth-child(2n){border-right:0}
  .kpi:nth-last-child(-n+2){border-bottom:0}
  .app-wrap{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:14px 20px 20px;
    background:rgba(4,9,22,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(56,189,248,.28);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:13px 14px;font-size:.95rem}
  .nav-link.is-active::after{display:none}
  .nav-wrap{justify-content:space-between}
  .main-nav{margin-left:0}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .section.tight{padding:46px 0}
  .hero{padding:56px 0 50px;min-height:auto}
  .hero-lead{font-size:.96rem}
  .compare{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .guide-block{padding:26px 22px}
  .cta-band{padding:38px 26px;border-radius:22px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:.9rem}
  .nav-actions .btn{padding:10px 14px;font-size:.8rem}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat{padding-right:0;padding-left:0!important;border-left:0!important;border-bottom:1px solid rgba(96,165,250,.16);padding-bottom:14px}
  .hero-stat:last-child{border-bottom:0;padding-bottom:0}
  .trust-strip{grid-template-columns:1fr}
  .grid-3,.grid-4,.news-grid,.cat-wall,.steps,.ladder,.kpi-row{grid-template-columns:1fr}
  .kpi{border-right:0!important;border-bottom:1px solid rgba(96,165,250,.14)!important}
  .kpi:last-child{border-bottom:0!important}
  .kpi b{font-size:1.7rem}
  .foot-grid{grid-template-columns:1fr}
  .fab{padding:12px;border-radius:50%;gap:0}
  .fab-text{display:none}
  .cta-actions .btn,.dl-btns .dl-btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:#0B1830;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
.app-body{
  margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.96);border-bottom-color:rgba(56,189,248,.3)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  box-shadow:0 0 18px rgba(56,189,248,.45);font-size:1rem;
}
.brand-text em{font-style:normal;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:500;
  color:var(--muted);transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(37,99,235,.14)}
.nav-link.is-active{color:var(--brand-2);background:rgba(37,99,235,.16)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(56,189,248,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;align-items:center;justify-content:center;
  border:1px solid rgba(96,165,250,.3);color:var(--brand-2);font-size:1rem;
  background:rgba(8,18,41,.7);transition:.22s ease;
}
.nav-toggle:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:.93rem;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);color:#04121f;box-shadow:0 0 24px rgba(56,189,248,.38)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border-color:rgba(96,165,250,.38);color:#DBEAFE;background:rgba(8,18,41,.55)}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn-sm{padding:10px 17px;font-size:.84rem}

/* ============ SECTION BASE ============ */
main{display:block}
.section{padding:74px 0;position:relative}
.section.tight{padding:54px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(96,165,250,.12)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.35rem,2.7vw,2rem);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:.98rem}

/* ============ PAGE TOP / BREADCRUMB ============ */
.page-top{padding:96px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;color:var(--dim)}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb span.current{color:#CBD5E1;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ POST HEAD ============ */
.post-head{position:relative;margin-top:22px;padding:52px 0 46px;border-bottom:1px solid var(--line);overflow:hidden}
.post-head-media{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.9) 46%,rgba(8,18,41,.66) 100%),url('/assets/images/f5f50f70c55734e9.jpg');
  background-size:cover;background-position:center;
}
.post-head-media::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 72% at 84% 22%,rgba(37,99,235,.3),transparent 70%);
}
.post-head-inner{position:relative;z-index:2;max-width:940px}
.post-cat{
  display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);background:rgba(251,191,36,.1);
  border:1px solid rgba(251,191,36,.32);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.post-title{
  font-size:clamp(1.6rem,3.8vw,2.7rem);font-weight:800;letter-spacing:-.025em;margin-bottom:18px;
  background:linear-gradient(100deg,#FFFFFF 18%,#BAE6FD 62%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.post-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.83rem;color:var(--muted);margin-bottom:22px}
.post-meta i{color:var(--brand-2);margin-right:6px}
.post-lead{max-width:820px;color:#CBD5E1;font-size:1.02rem;line-height:1.75}

/* ============ ARTICLE LAYOUT ============ */
.post-layout{padding:48px 0 0}
.post-main{max-width:900px;margin:0 auto}

/* summary bar */
.summary-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:rgba(11,24,48,.72);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 8px;margin-bottom:40px;backdrop-filter:blur(10px);
}
.summary-item{padding:4px 16px}
.summary-item + .summary-item{border-left:1px solid var(--line)}
.summary-item strong{display:block;font-size:.98rem;color:#fff;margin-bottom:4px}
.summary-item span{font-size:.79rem;color:var(--muted);display:block}

/* article body */
.article-body{font-size:1.02rem;color:#DCE6F5;line-height:1.78;text-align:left}
.article-body > * + *{margin-top:16px}
.article-body h2{
  font-size:clamp(1.28rem,2.5vw,1.66rem);color:#fff;margin-top:38px;margin-bottom:6px;
  padding-left:16px;border-left:4px solid var(--brand-2);border-radius:2px;
}
.article-body h3{font-size:1.14rem;color:#EAF2FF;margin-top:28px}
.article-body h4{font-size:1rem;color:#E2EEFF;margin-top:22px}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:9px}
.article-body ol li{list-style:decimal;margin-bottom:9px}
.article-body img{border-radius:var(--radius);margin:24px 0;border:1px solid var(--line)}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#BAE6FD}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:rgba(37,99,235,.1);border-radius:0 var(--radius) var(--radius) 0;color:#DBEAFE;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:rgba(37,99,235,.14);color:#E0F2FE;font-weight:600}
.article-body strong{color:#fff}

/* empty state */
.empty-state{
  text-align:left;padding:34px 28px;border-radius:var(--radius-lg);
  background:rgba(11,24,48,.7);border:1px solid var(--line);
}
.empty-state h2{font-size:1.4rem;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ============ BLOCKS ============ */
.block{margin-top:52px}
.block-title{font-size:clamp(1.2rem,2.3vw,1.5rem);margin-bottom:16px}
.kv-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 30px;margin-top:22px}
.kv-item{border-top:1px solid var(--line);padding-top:16px}
.kv-num{font-size:.78rem;font-weight:700;letter-spacing:.16em;color:var(--brand-2);display:block;margin-bottom:8px}
.kv-item h3{font-size:1.04rem;margin-bottom:8px}
.kv-item p{color:var(--muted);font-size:.93rem line-height:1.7}

/* inline cta */
.inline-cta{
  margin-top:48px;padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.22),rgba(8,18,41,.9));
  border:1px solid var(--line-strong);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:var(--glow);
}
.inline-cta h3{font-size:1.2rem;margin-bottom:8px}
.inline-cta p{color:#CBD5E1;font-size:.93rem;max-width:520px}
.inline-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
.step{
  padding:22px 20px;border-radius:var(--radius);background:rgba(11,24,48,.66);
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px);background:rgba(17,36,72,.85)}
.step-idx{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.7));color:#04121f;margin-bottom:14px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.9rem}

/* faq */
.faq-list{margin-top:26px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:1rem;font-weight:600;color:#EAF2FF;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8rem;
  position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--brand-2);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{color:var(--brand-2)}
.faq-item p{padding:0 30px 20px 0;color:var(--muted);font-size:.94rem}

/* channel grid */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
.channel-card{
  display:block;padding:24px 22px;border-radius:var(--radius-lg);
  background:rgba(11,24,48,.68);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(17,36,72,.9);box-shadow:var(--glow)}
.channel-card i{font-size:1.3rem;color:var(--brand-2);margin-bottom:14px;display:block}
.channel-card h3{font-size:1.06rem;margin-bottom:8px}
.channel-card p{color:var(--muted);font-size:.9rem}
.channel-more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:.85rem;color:var(--brand-2);font-weight:600}

/* related posts */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:26px}
.post-card{
  display:block;padding:22px;border-radius:var(--radius);background:rgba(11,24,48,.66);
  border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.post-card-cat{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2)}
.post-card h3{font-size:1rem;margin:10px 0 12px;line-height:1.45}
.post-card-more{font-size:.83rem;color:var(--muted)}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;padding:56px 0;
  background-image:linear-gradient(100deg,rgba(3,7,18,.95),rgba(8,18,41,.88)),url('/assets/images/1627d9af9e199b79.jpg');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band-inner{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(1.3rem,2.6vw,1.9rem);margin-bottom:10px}
.cta-band p{color:#CBD5E1;font-size:.95rem;max-width:600px}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px}

/* guarantee strip */
.guard-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:30px 0}
.guard{display:flex;gap:12px;align-items:flex-start;font-size:.88rem;color:#CBD5E1}
.guard i{color:var(--brand-2);font-size:1.05rem;margin-top:2px}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.98),rgba(8,18,41,.98));border-top:1px solid var(--line);padding:58px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:14px}
.site-footer p{color:var(--muted);font-size:.9rem;max-width:420px}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-badge{
  font-size:.74rem;padding:6px 12px;border-radius:999px;color:#DBEAFE;
  background:rgba(37,99,235,.14);border:1px solid rgba(96,165,250,.26);
}
.foot-col h4{font-size:.95rem;margin-bottom:14px;color:#EAF2FF}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:10px}
.foot-col a{color:var(--muted);font-size:.88rem;transition:color .2s ease,padding-left .2s ease}
.foot-col a:hover{color:var(--brand-2);padding-left:4px}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:.82rem;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:32px;height:24px;border-radius:6px;margin-right:8px;
  background:rgba(220,38,38,.18);border:1px solid rgba(248,113,113,.4);color:#FCA5A5;
  font-size:.7rem;font-weight:700;vertical-align:middle;
}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:60;width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;color:#E0F2FE;font-size:1.15rem;
  background:rgba(7,14,30,.86);backdrop-filter:blur(12px);
  box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 0 0 1px rgba(56,189,248,.45);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  animation:fabPulse 2.8s ease-in-out infinite;
}
.fab-support:hover{transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab-support:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:999px;
  background:#DC2626;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotBlink 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:.78}50%{opacity:1}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ STICKY CTA ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:12px 16px;background:rgba(3,7,18,.96);backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
}
.sticky-cta-text strong{display:block;font-size:.9rem;color:#fff}
.sticky-cta-text span{font-size:.76rem;color:var(--muted)}
.sticky-cta .btn{padding:11px 18px;font-size:.85rem}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:70px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 24px;background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;visibility:hidden;transition:.25s ease;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-toggle{display:inline-flex}
  .nav-link{padding:12px 14px;font-size:.95rem}
  .nav-link.is-active::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .channel-grid,.post-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .guard-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .post-head{padding:40px 0 36px}
  .summary-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0;padding:20px 6px}
  .summary-item:nth-child(3){border-left:0}
  .summary-item:nth-child(n+3){border-top:1px solid var(--line);padding-top:16px}
  .kv-grid{grid-template-columns:1fr}
  .sticky-cta{display:flex}
  .fab-support{bottom:88px;left:12px;width:52px;height:52px}
  .page-top{padding-top:88px}
}
@media (max-width:520px){
  .brand-text{font-size:.94rem}
  .nav-actions .btn-ghost{display:none}
  .channel-grid,.post-list{grid-template-columns:1fr}
  .guard-strip{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .inline-cta{padding:22px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:#0B1830;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.96);border-bottom-color:rgba(56,189,248,.3)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  box-shadow:0 0 18px rgba(56,189,248,.45);font-size:1rem;
}
.brand-text em{font-style:normal;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:500;
  color:var(--muted);transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(37,99,235,.14)}
.nav-link.is-active{color:var(--brand-2);background:rgba(37,99,235,.16)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(56,189,248,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;align-items:center;justify-content:center;
  border:1px solid rgba(96,165,250,.3);color:var(--brand-2);font-size:1rem;
  background:rgba(8,18,41,.7);transition:.22s ease;
}
.nav-toggle:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:.93rem;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);color:#04121f;box-shadow:0 0 24px rgba(56,189,248,.38)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border-color:rgba(96,165,250,.38);color:#DBEAFE;background:rgba(8,18,41,.55)}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn-sm{padding:10px 17px;font-size:.84rem}
.btn-lg{padding:16px 30px;font-size:1rem}
.btn-gold{background:linear-gradient(120deg,#F59E0B,#FCD34D);color:#1F1300;box-shadow:0 0 24px rgba(251,191,36,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(251,191,36,.5)}

/* ============ SECTION BASE ============ */
main{display:block;padding-top:70px}
.section{padding:78px 0;position:relative}
.section.tight{padding:56px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(96,165,250,.12)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);
  gap:28px 44px;align-items:end;margin-bottom:42px;
}
.section-head h2{
  font-size:clamp(1.45rem,2.7vw,2.1rem);font-weight:800;letter-spacing:-.025em;line-height:1.28;
}
.section-head p{color:var(--muted);font-size:.95rem}
.section-head .head-side{border-left:1px solid rgba(96,165,250,.2);padding-left:24px}
.text-soft{color:var(--muted)}

/* ============ HERO (short banner) ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 46%,rgba(8,18,41,.52) 100%),url('/assets/images/1627d9af9e199b79.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(96,165,250,.16);
  padding:56px 0 46px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(55% 70% at 84% 18%,rgba(37,99,235,.3),transparent 70%),
             radial-gradient(50% 60% at 8% 92%,rgba(56,189,248,.16),transparent 72%);
}
.hero-inner{position:relative;z-index:2}
.hero-crumb{font-size:.79rem;color:var(--dim);margin-bottom:14px}
.hero-crumb a{color:var(--brand-3)}
.hero-crumb a:hover{color:var(--brand-2);text-decoration:underline}
.hero h1{
  font-size:clamp(1.6rem,3.6vw,2.6rem);font-weight:800;letter-spacing:-.028em;line-height:1.24;
  max-width:900px;margin-bottom:16px;
  background:linear-gradient(100deg,#FFFFFF 22%,#BAE6FD 64%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:740px;color:#CBD5E1;font-size:1rem;line-height:1.72;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid rgba(96,165,250,.2);padding-top:22px;max-width:880px;
}
.hero-stat{padding-right:18px}
.hero-stat + .hero-stat{padding-left:20px;border-left:1px solid rgba(96,165,250,.16)}
.hero-stat strong{display:block;font-size:1.35rem;font-weight:800;color:#fff;line-height:1.25}
.hero-stat span{font-size:.78rem;color:var(--muted)}

/* ============ GRIDS ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:start}

/* ============ CARDS ============ */
.card{
  position:relative;height:100%;
  background:linear-gradient(160deg,rgba(11,24,48,.92) 0%,rgba(8,18,41,.72) 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;
  backdrop-filter:blur(10px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow),var(--glow)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);
  color:var(--brand-2);font-size:1.06rem;margin-bottom:16px;
}
.card h3{font-size:1.06rem;font-weight:700;letter-spacing:-.015em;margin-bottom:10px}
.card p{color:var(--muted);font-size:.9rem;line-height:1.68}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.68rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;border:1px solid rgba(56,189,248,.3);
  background:rgba(37,99,235,.16);color:var(--brand-2);margin-bottom:12px;
}
.tag-gold{border-color:rgba(251,191,36,.36);background:rgba(251,191,36,.12);color:var(--gold)}
.card-list{margin-top:14px;display:grid;gap:9px}
.card-list li{display:flex;gap:9px;font-size:.88rem;color:#CBD5E1}
.card-list li i{color:var(--brand-2);font-size:.76rem;margin-top:6px}

/* ============ BULLET BLOCK ============ */
.bullets{display:grid;gap:14px;margin-top:22px}
.bullets li{display:grid;grid-template-columns:auto 1fr;gap:12px;font-size:.92rem;color:#CBD5E1}
.bullets li i{color:var(--brand-2);margin-top:5px}
.bullets li strong{color:#fff}

/* ============ COMPARE TABLE ============ */
.compare{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(8,18,41,.6);
}
.compare table{width:100%;border-collapse:collapse;font-size:.88rem}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(96,165,250,.12)}
.compare thead th{background:rgba(37,99,235,.16);font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;color:var(--brand-2);font-weight:700}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover{background:rgba(37,99,235,.08)}
.compare td:first-child{color:var(--muted)}
.compare .yes{color:#4ADE80;font-weight:600}
.compare .no{color:#F87171;font-weight:600}

/* ============ STEPS ============ */
.steps{display:grid;gap:18px;counter-reset:st}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
  padding:22px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(8,18,41,.55);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--line-strong);background:rgba(17,36,72,.7);transform:translateX(4px)}
.step-num{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:1.05rem;color:#04121f;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.step p{color:var(--muted);font-size:.9rem}

/* ============ MEDIA BLOCK ============ */
.media-block{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(8,18,41,.6);
}
.media-block img{height:100%;width:100%;object-fit:cover;min-height:280px}
.media-body{padding:32px 30px}
.media-body h3{font-size:1.2rem;font-weight:700;margin-bottom:12px}
.media-body p{color:var(--muted);font-size:.92rem}

/* ============ REVIEWS ============ */
.review{
  height:100%;padding:24px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(11,24,48,.9),rgba(8,18,41,.7));
  transition:border-color .25s ease,transform .25s ease;
}
.review:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.review-head{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:.86rem;color:#04121f;
  background:linear-gradient(135deg,#60A5FA,#38BDF8);
}
.review-head strong{display:block;font-size:.92rem}
.review-head span{font-size:.76rem;color:var(--dim)}
.review p{font-size:.89rem;color:#CBD5E1;line-height:1.7}
.stars{color:var(--gold);font-size:.78rem;margin-top:12px;letter-spacing:2px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,18,41,.6);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,24,48,.85)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:600;font-size:.95rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand-2);font-size:.82rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.9rem;line-height:1.72}

/* ============ NEWS LIST ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(11,24,48,.9),rgba(8,18,41,.68));
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(37,99,235,.1)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:.98rem;font-weight:700;line-height:1.5}
.news-card:hover h3{color:var(--brand-2)}
.news-body p{font-size:.87rem;color:var(--muted);line-height:1.65}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:.74rem;color:var(--dim);border-top:1px solid rgba(96,165,250,.12);padding-top:12px;
}
.news-meta span:first-child{color:var(--brand-3)}
.empty-note{
  border:1px dashed rgba(96,165,250,.3);border-radius:var(--radius);
  padding:26px;text-align:left;color:var(--muted);font-size:.9rem;background:rgba(8,18,41,.45);
}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:rgba(8,18,41,.6);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.channel:hover{border-color:var(--line-strong);background:rgba(17,36,72,.8);transform:translateY(-4px)}
.channel strong{display:block;font-size:.98rem;font-weight:700;margin-bottom:4px}
.channel small{color:var(--muted);font-size:.82rem}
.channel i{color:var(--brand-2);font-size:1rem}

/* ============ GUARANTEE / CTA BAND ============ */
.band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.22) 0%,rgba(8,18,41,.9) 55%,rgba(56,189,248,.14) 100%);
  padding:38px 36px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px;align-items:center;
  box-shadow:var(--shadow);
}
.band h2{font-size:clamp(1.3rem,2.3vw,1.8rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.band p{color:#CBD5E1;font-size:.93rem}
.band-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:.78rem;font-weight:600;
  border:1px solid rgba(96,165,250,.24);background:rgba(3,7,18,.55);color:#CBD5E1;
}
.badge i{color:var(--brand-2)}
.badge-gold i{color:var(--gold)}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid rgba(96,165,250,.16);
  background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,1) 100%);
  padding:62px 0 28px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;margin-bottom:14px}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:.9rem}
.site-footer p{color:var(--muted);font-size:.87rem;line-height:1.7;max-width:420px}
.foot-col h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);margin-bottom:16px;font-weight:700}
.foot-col ul{display:grid;gap:11px}
.foot-col a{color:var(--muted);font-size:.88rem;transition:color .2s ease,padding-left .2s ease}
.foot-col a:hover{color:var(--brand-2);padding-left:4px}
.foot-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.foot-badge{
  font-size:.72rem;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(96,165,250,.22);background:rgba(3,7,18,.6);color:#CBD5E1;
}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(96,165,250,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:.79rem;color:var(--dim);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:22px;border-radius:6px;margin-right:9px;
  border:1px solid rgba(251,191,36,.5);color:var(--gold);font-size:.7rem;font-weight:700;
  vertical-align:middle;
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:75;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(3,7,18,.8);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.5);
  color:var(--brand-2);font-size:1.18rem;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  animation:fabFloat 3.6s ease-in-out infinite;
  transition:transform .25s ease,box-shadow .25s ease;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:active{transform:scale(.94)}
.fab .fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#38BDF8;box-shadow:0 0 0 2px rgba(3,7,18,.9),0 0 12px rgba(56,189,248,.9);
  animation:dotPulse 1.8s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ MOBILE CTA BAR ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(3,7,18,.94);backdrop-filter:blur(14px);
  border-top:1px solid rgba(56,189,248,.28);
  padding:11px 16px;
}
.mobile-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mobile-cta-inner span{font-size:.8rem;color:#CBD5E1;font-weight:600}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .section-head{grid-template-columns:1fr;gap:14px}
  .section-head .head-side{border-left:0;padding-left:0;border-top:1px solid rgba(96,165,250,.16);padding-top:16px}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:1fr 1fr}
  .band{grid-template-columns:1fr;padding:32px 26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .media-block{grid-template-columns:1fr}
  .media-block img{min-height:220px}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);border-bottom:1px solid rgba(56,189,248,.24);
    padding:14px 20px 20px;margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:.94rem}
  .nav-link.is-active::after{left:14px;right:auto;width:26px;bottom:8px}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .section{padding:58px 0}
  .hero{padding:44px 0 40px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0}
  .hero-stat:nth-child(3){padding-left:0;border-left:0;border-top:1px solid rgba(96,165,250,.16);padding-top:16px}
  .hero-stat:nth-child(4){border-top:1px solid rgba(96,165,250,.16);padding-top:16px}
  .mobile-cta{display:block}
  body{padding-bottom:64px}
  .fab{bottom:82px}
  .compare{overflow-x:auto}
  .compare table{min-width:520px}
  .foot-grid{grid-template-columns:1fr}
  .step{grid-template-columns:44px 1fr;padding:18px 18px;gap:14px}
  .step-num{width:44px;height:44px;font-size:.95rem;border-radius:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .band-actions .btn{width:100%}
  .brand-text{font-size:.94rem}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:#0B1830;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --wrap:1200px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.96);border-bottom-color:rgba(56,189,248,.3)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  box-shadow:0 0 18px rgba(56,189,248,.45);font-size:1rem;
}
.brand-text em{font-style:normal;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:500;
  color:var(--muted);transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(37,99,235,.14)}
.nav-link.is-active{color:var(--brand-2);background:rgba(37,99,235,.16)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(56,189,248,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;align-items:center;justify-content:center;
  border:1px solid rgba(96,165,250,.3);color:var(--brand-2);font-size:1rem;
  background:rgba(8,18,41,.7);transition:.22s ease;
}
.nav-toggle:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:.93rem;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121f;box-shadow:0 0 24px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border-color:rgba(96,165,250,.38);color:#DBEAFE;background:rgba(8,18,41,.55)}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn-sm{padding:10px 17px;font-size:.84rem}
.btn-lg{padding:16px 32px;font-size:1rem}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-2);outline-offset:3px;border-radius:12px;
}

/* ============ SECTION BASE ============ */
main{display:block}
.section{padding:80px 0;position:relative}
.section.tight{padding:58px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(96,165,250,.12)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head{max-width:780px;margin-bottom:42px}
.section-head h2{
  font-size:clamp(1.42rem,2.7vw,2.05rem);font-weight:800;letter-spacing:-.022em;line-height:1.3;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:.98rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
h3{font-size:1.08rem;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
p{color:#CBD5E1}

/* ============ HERO ============ */
.hero{
  position:relative;margin-top:70px;
  min-height:520px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.88) 44%,rgba(8,18,41,.6) 100%),url('/assets/images/1627d9af9e199b79.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(96,165,250,.16);
  padding:76px 0 66px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 70% at 82% 25%,rgba(37,99,235,.28),transparent 70%),
             radial-gradient(50% 60% at 12% 90%,rgba(56,189,248,.16),transparent 72%);
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.35);
  font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(1.72rem,4.1vw,3rem);font-weight:800;letter-spacing:-.025em;
  max-width:980px;margin-bottom:20px;line-height:1.24;
  background:linear-gradient(100deg,#FFFFFF 20%,#BAE6FD 62%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:740px;color:#CBD5E1;font-size:1.02rem;line-height:1.72;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:30px;max-width:820px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:.9rem;color:#DBEAFE}
.hero-points i{color:var(--brand-2);font-size:.85rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border-top:1px solid rgba(96,165,250,.2);padding-top:24px;max-width:880px;
}
.hero-stat{padding-right:20px}
.hero-stat + .hero-stat{padding-left:22px;border-left:1px solid rgba(96,165,250,.16)}
.hero-stat strong{display:block;font-size:1.42rem;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{font-size:.8rem;color:var(--muted)}

/* ============ TRUST STRIP ============ */
.trust-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:34px;
}
.trust-item{
  display:flex;align-items:center;gap:11px;padding:14px 16px;border-radius:var(--radius);
  background:rgba(11,24,48,.7);border:1px solid rgba(96,165,250,.16);
  font-size:.84rem;color:#CBD5E1;transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.trust-item:hover{border-color:var(--line-strong);background:rgba(17,36,72,.85);transform:translateY(-3px)}
.trust-item i{color:var(--brand-2);font-size:1rem;flex-shrink:0}

/* ============ GRIDS & CARDS ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{
  background:linear-gradient(160deg,rgba(11,24,48,.92) 0%,rgba(8,18,41,.7) 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.15rem;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);color:var(--brand-2);
  margin-bottom:18px;
}
.card p{font-size:.92rem;color:var(--muted)}
.card h3{color:#fff}

/* ============ STEPS ============ */
.step-list{display:grid;gap:16px;counter-reset:step}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  padding:24px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(11,24,48,.88),rgba(8,18,41,.62));
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step-num{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:1rem;color:#04121f;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.step h3{margin-bottom:6px}
.step p{font-size:.92rem;color:var(--muted)}

/* ============ SPLIT / CHECKLIST ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.split-media img{width:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,7,18,.75) 100%);
  pointer-events:none;
}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start}
.check-list i{color:var(--brand-2);margin-top:5px;font-size:.9rem}
.check-list strong{display:block;color:#fff;font-size:.95rem;font-weight:600}
.check-list span{font-size:.88rem;color:var(--muted)}

/* ============ TABLE / MILESTONE ============ */
.milestone-table{
  width:100%;border-collapse:separate;border-spacing:0 10px;
}
.milestone-table th{
  text-align:left;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand-2);padding:0 18px 6px;font-weight:700;
}
.milestone-table td{
  background:linear-gradient(120deg,rgba(11,24,48,.9),rgba(8,18,41,.65));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px;font-size:.9rem;color:#CBD5E1;vertical-align:middle;
}
.milestone-table tr td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px;color:#fff;font-weight:600}
.milestone-table tr td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}
.milestone-table tr:hover td{border-color:var(--line-strong)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.tag-hot{background:rgba(220,38,38,.18);color:#FCA5A5;border:1px solid rgba(248,113,113,.35)}
.tag-vip{background:rgba(251,191,36,.16);color:var(--gold);border:1px solid rgba(251,191,36,.35)}
.tag-new{background:rgba(56,189,248,.16);color:var(--brand-2);border:1px solid rgba(56,189,248,.35)}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{border-radius:var(--radius-lg);padding:28px;border:1px solid var(--line);background:rgba(8,18,41,.6)}
.compare-col.good{border-color:rgba(56,189,248,.42);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.7))}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:1.05rem}
.compare-col.good h3 i{color:var(--brand-2)}
.compare-col.bad h3 i{color:#F87171}
.compare-col li{display:grid;grid-template-columns:auto 1fr;gap:11px;font-size:.9rem;color:#CBD5E1;padding:9px 0;border-bottom:1px dashed rgba(96,165,250,.14)}
.compare-col li:last-child{border-bottom:0}
.compare-col.good li i{color:var(--brand-2);margin-top:5px;font-size:.85rem}
.compare-col.bad li i{color:#F87171;margin-top:5px;font-size:.85rem}

/* ============ SOCIAL PROOF ============ */
.quote{
  border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,24,48,.9),rgba(8,18,41,.6));
  display:flex;flex-direction:column;gap:16px;height:100%;
}
.quote p{font-size:.93rem;color:#DBEAFE;font-style:italic}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.7));color:#04121f;
}
.quote-who strong{display:block;font-size:.88rem;color:#fff}
.quote-who span{font-size:.78rem;color:var(--dim)}
.stars{color:var(--gold);font-size:.82rem;letter-spacing:2px}

/* ============ CMS LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:rgba(11,24,48,.72);
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0B1830,#030712)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.75rem;color:var(--dim);align-items:center}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-body h3{font-size:1rem;line-height:1.45;margin:0}
.post-body p{font-size:.87rem;color:var(--muted)}
.post-body .post-link{margin-top:auto;font-size:.85rem;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px}
.post-body .post-link:hover{gap:12px;color:#fff}
.empty-note{
  padding:34px;border-radius:var(--radius-lg);border:1px dashed rgba(96,165,250,.3);
  background:rgba(8,18,41,.5);color:var(--muted);font-size:.92rem;text-align:center;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,18,41,.6);
  transition:border-color .25s ease,background .25s ease;overflow:hidden;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,24,48,.82)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-weight:600;font-size:.96rem;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:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;
  color:var(--brand-2);transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:.91rem;color:var(--muted)}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:52px 44px;
  background-image:linear-gradient(110deg,rgba(3,7,18,.94),rgba(37,99,235,.28)),url('/assets/images/60ab44c45fbf3bb9.jpg');
  background-size:cover;background-position:center;
  border:1px solid rgba(56,189,248,.3);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;margin-bottom:14px;color:#fff;letter-spacing:-.02em}
.cta-band p{max-width:660px;color:#CBD5E1;font-size:.98rem;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.guarantee-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:34px;
}
.guarantee{
  display:flex;align-items:center;gap:10px;font-size:.83rem;color:#DBEAFE;
  padding:13px 15px;border-radius:var(--radius);
  background:rgba(3,7,18,.55);border:1px solid rgba(96,165,250,.2);
}
.guarantee i{color:var(--brand-2)}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  font-size:.84rem;font-weight:600;color:#E0F2FE;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  opacity:.82;
}
.fab i{color:#A3E635;font-size:1rem}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 34px rgba(56,189,248,.7)}
.fab:active{transform:translateY(0) scale(.96)}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(7,7,13,.9);
  animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid rgba(96,165,250,.16);
  background:linear-gradient(180deg,rgba(8,18,41,.9) 0%,rgba(3,7,18,1) 100%);
  padding:62px 0 30px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;margin-bottom:16px}
.site-footer p{font-size:.87rem;color:var(--muted);max-width:430px}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-badge{
  font-size:.72rem;font-weight:600;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(96,165,250,.28);color:#BAE6FD;background:rgba(37,99,235,.12);
}
.foot-col h4{font-size:.86rem;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:.86rem;color:var(--muted);transition:color .22s ease,padding-left .22s ease}
.foot-col a:hover{color:var(--brand-2);padding-left:4px}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(96,165,250,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.8rem;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;
  border:1px solid rgba(248,113,113,.5);color:#FCA5A5;font-size:.7rem;font-weight:800;
  margin-right:10px;vertical-align:middle;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .section{padding:66px 0}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .split{grid-template-columns:1fr;gap:32px}
  .trust-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid rgba(56,189,248,.25);
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:12px 14px;font-size:.95rem}
  .nav-link.is-active::after{left:14px;right:auto;width:28px}
  .nav-toggle{display:inline-flex}
  .grid-3{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px}
  .hero-stat:nth-child(3){padding-left:0;border-left:0}
  .hero-stat{padding-right:0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:56px 0 48px;min-height:auto}
  .section{padding:52px 0}
  .grid-2,.grid-4,.post-grid,.trust-strip,.guarantee-row,.foot-grid{grid-template-columns:1fr}
  .card,.step,.cta-band,.compare-col{padding:22px}
  .cta-band{padding:34px 22px}
  .step{grid-template-columns:1fr;gap:14px}
  .faq-item summary{padding:16px 18px;font-size:.92rem}
  .faq-item p{padding:0 18px 18px}
  .btn{padding:12px 20px;font-size:.88rem}
  .hero-actions .btn{width:100%}
  .milestone-table th,.milestone-table td{padding:14px 12px;font-size:.83rem}
  .fab{bottom:82px;padding:11px 15px;font-size:.78rem}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-panel:#0B1830;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.96);border-bottom-color:rgba(56,189,248,.3)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  box-shadow:0 0 18px rgba(56,189,248,.45);font-size:1rem;
}
.brand-text em{font-style:normal;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:500;
  color:var(--muted);transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(37,99,235,.14)}
.nav-link.is-active{color:var(--brand-2);background:rgba(37,99,235,.16)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(56,189,248,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;align-items:center;justify-content:center;
  border:1px solid rgba(96,165,250,.3);color:var(--brand-2);font-size:1rem;
  background:rgba(8,18,41,.7);transition:.22s ease;
}
.nav-toggle:hover{border-color:var(--brand-2);background:rgba(37,99,235,.2)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:.93rem;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121f;box-shadow:0 0 24px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border-color:rgba(96,165,250,.38);color:#DBEAFE;background:rgba(8,18,41,.55)}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(120deg,#F59E0B,#FCD34D);color:#241503;box-shadow:0 0 22px rgba(251,191,36,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(251,191,36,.55)}
.btn-sm{padding:10px 17px;font-size:.84rem}
.btn-block{width:100%}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}

/* ============ SECTION BASE ============ */
main{display:block}
.section{padding:80px 0;position:relative}
.section.tight{padding:58px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.95) 100%)}
.section-line{border-top:1px solid rgba(96,165,250,.12)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);background:rgba(37,99,235,.13);
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-size:clamp(1.35rem,2.6vw,2rem);color:#fff;margin-bottom:12px}
.sec-sub{color:var(--muted);font-size:.97rem;line-height:1.72}

/* ============ HERO ============ */
.hero{
  position:relative;margin-top:70px;
  padding:70px 0 64px;
  background-image:linear-gradient(100deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 44%,rgba(8,18,41,.6) 100%),url('/assets/images/1627d9af9e199b79.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(96,165,250,.16);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(58% 68% at 84% 22%,rgba(37,99,235,.3),transparent 70%),
             radial-gradient(48% 60% at 10% 92%,rgba(56,189,248,.16),transparent 72%);
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:start}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.35);
  font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(1.68rem,3.9vw,2.85rem);font-weight:800;letter-spacing:-.025em;
  margin-bottom:18px;
  background:linear-gradient(100deg,#FFFFFF 18%,#BAE6FD 62%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:660px;color:#CBD5E1;font-size:1.01rem;line-height:1.72;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid rgba(96,165,250,.2);padding-top:22px;
}
.hero-stat{padding-right:16px}
.hero-stat + .hero-stat{padding-left:18px;border-left:1px solid rgba(96,165,250,.16)}
.hero-stat strong{display:block;font-size:1.34rem;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{font-size:.78rem;color:var(--muted)}

/* ============ TIER SELECT ============ */
.tier-panel{
  background:rgba(11,24,48,.72);
  border:1px solid rgba(96,165,250,.2);
  border-radius:var(--radius-lg);
  padding:22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.tier-panel-title{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);font-weight:700;margin-bottom:16px}
.tier-card{
  border:1px solid rgba(96,165,250,.16);
  border-radius:var(--radius);
  padding:16px 16px 15px;
  background:rgba(3,7,18,.55);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.tier-card + .tier-card{margin-top:12px}
.tier-card:hover{border-color:var(--line-strong);background:rgba(8,18,41,.85)}
.tier-card.is-featured{
  border-color:rgba(251,191,36,.5);
  background:linear-gradient(140deg,rgba(37,99,235,.24),rgba(3,7,18,.72));
  box-shadow:0 0 28px rgba(56,189,248,.22);
}
.tier-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}
.tier-label{font-size:.82rem;color:var(--muted);font-weight:600}
.tier-value{font-size:1.16rem;font-weight:800;color:#fff}
.tier-note{display:block;font-size:.82rem;color:#CBD5E1;margin-bottom:10px}
.tier-list li{display:flex;gap:8px;font-size:.83rem;color:var(--muted);line-height:1.6}
.tier-list li + li{margin-top:5px}
.tier-list i{color:var(--brand-2);font-size:.7rem;margin-top:.42em}
.tier-card.is-featured .tier-list i{color:var(--gold)}
.tag-hot{
  display:inline-block;font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:#241503;background:linear-gradient(120deg,#F59E0B,#FCD34D);border-radius:999px;padding:4px 10px;
}

/* ============ CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.perk-card{
  padding:24px 22px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(11,24,48,.9),rgba(3,7,18,.7));
  border:1px solid rgba(96,165,250,.16);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.perk-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 44px -26px rgba(56,189,248,.6)}
.perk-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);color:var(--brand-2);font-size:1.05rem;
}
.perk-card h3{font-size:1.02rem;color:#fff;margin-bottom:9px}
.perk-card p{color:var(--muted);font-size:.9rem;line-height:1.68}

/* ============ REWARD TABLE ============ */
.reward-wrap{
  border:1px solid rgba(96,165,250,.18);border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(8,18,41,.6);
}
.reward-head{
  display:grid;grid-template-columns:1.1fr 1fr 1fr .9fr;gap:12px;
  padding:14px 20px;background:rgba(37,99,235,.16);
  font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2);font-weight:700;
}
.reward-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr .9fr;gap:12px;
  padding:16px 20px;border-top:1px solid rgba(96,165,250,.12);
  font-size:.9rem;color:#E2E8F0;align-items:center;
  transition:background .22s ease;
}
.reward-row:hover{background:rgba(37,99,235,.1)}
.reward-row strong{color:#fff;font-weight:700}
.reward-row .hl{color:var(--gold);font-weight:700}
.reward-foot{padding:14px 20px;border-top:1px solid rgba(96,165,250,.12);font-size:.8rem;color:var(--dim)}

/* ============ APP GIFT ============ */
.media-split{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:40px;align-items:center}
.media-frame{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(96,165,250,.22);
  box-shadow:var(--shadow);position:relative;
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(3,7,18,.05) 40%,rgba(3,7,18,.75) 100%);
}
.media-cap{
  position:absolute;left:16px;bottom:16px;z-index:2;font-size:.82rem;color:#E2E8F0;
  background:rgba(3,7,18,.7);border:1px solid rgba(96,165,250,.28);border-radius:999px;padding:6px 14px;
}
.plat-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}
.plat-card{
  padding:18px;border-radius:var(--radius);border:1px solid rgba(96,165,250,.18);
  background:rgba(11,24,48,.72);transition:.25s ease;
}
.plat-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.plat-card i{font-size:1.4rem;color:var(--brand-2);margin-bottom:10px;display:block}
.plat-card b{display:block;color:#fff;font-size:.96rem;margin-bottom:6px}
.plat-card span{font-size:.85rem;color:var(--muted);line-height:1.65;display:block}

/* ============ STEPS ============ */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step-item{
  position:relative;padding:24px 20px 22px;border-radius:var(--radius-lg);
  background:rgba(8,18,41,.7);border:1px solid rgba(96,165,250,.16);
  transition:.25s ease;
}
.step-item:hover{border-color:var(--line-strong);background:rgba(11,24,48,.9)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,rgba(37,99,235,.85),rgba(56,189,248,.7));
  color:#04121f;font-weight:800;font-size:.9rem;margin-bottom:14px;
}
.step-item h3{font-size:.98rem;color:#fff;margin-bottom:8px}
.step-item p{font-size:.87rem;color:var(--muted);line-height:1.66}

/* ============ TIMELINE ============ */
.week-line{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;margin-top:10px}
.week-item{padding:0 18px;position:relative}
.week-item::before{
  content:"";position:absolute;left:0;top:9px;width:11px;height:11px;border-radius:50%;
  background:var(--brand-2);box-shadow:0 0 14px rgba(56,189,248,.85);
}
.week-item::after{
  content:"";position:absolute;left:11px;right:0;top:14px;height:1px;
  background:linear-gradient(90deg,rgba(56,189,248,.5),rgba(56,189,248,.06));
}
.week-item:last-child::after{display:none}
.week-day{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);font-weight:700;margin:26px 0 8px}
.week-item b{display:block;color:#fff;font-size:.96rem;margin-bottom:6px}
.week-item p{font-size:.85rem;color:var(--muted);line-height:1.65}

/* ============ PAYMENT ============ */
.pay-card{
  display:flex;align-items:flex-start;gap:14px;padding:20px;border-radius:var(--radius);
  border:1px solid rgba(96,165,250,.18);background:rgba(8,18,41,.66);transition:.25s ease;
}
.pay-card:hover{border-color:var(--line-strong);background:rgba(11,24,48,.9);transform:translateY(-3px)}
.pay-card i{font-size:1.15rem;color:var(--gold);margin-top:3px}
.pay-card b{display:block;color:#fff;font-size:.94rem;margin-bottom:5px}
.pay-card span{font-size:.84rem;color:var(--muted);line-height:1.62}

/* ============ QUOTES ============ */
.quote-card{
  padding:24px 22px;border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(11,24,48,.9),rgba(3,7,18,.72));
  border:1px solid rgba(96,165,250,.16);
  display:flex;flex-direction:column;gap:14px;
}
.quote-card p{font-size:.92rem;color:#CBD5E1;line-height:1.72}
.quote-who{display:flex;align-items:center;gap:12px;border-top:1px solid rgba(96,165,250,.14);padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.7));
  color:#04121f;font-weight:800;font-size:.88rem;flex:0 0 auto;
}
.quote-who b{display:block;color:#fff;font-size:.9rem}
.quote-who span{font-size:.78rem;color:var(--dim)}
.stars{color:var(--gold);font-size:.78rem;letter-spacing:2px}

/* ============ ENTRY CARDS ============ */
.entry-card{
  display:block;padding:24px 22px;border-radius:var(--radius-lg);
  background:rgba(8,18,41,.72);border:1px solid rgba(96,165,250,.18);
  transition:.25s ease;
}
.entry-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 22px 46px -28px rgba(56,189,248,.7)}
.entry-card .entry-tag{
  display:inline-block;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--brand-2);border:1px solid rgba(56,189,248,.3);border-radius:999px;padding:4px 11px;margin-bottom:14px;
}
.entry-card h3{font-size:1.04rem;color:#fff;margin-bottom:9px}
.entry-card p{font-size:.88rem;color:var(--muted);line-height:1.68;margin-bottom:14px}
.entry-card .entry-go{font-size:.85rem;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px}
.entry-card.is-current{border-color:rgba(251,191,36,.42);background:linear-gradient(150deg,rgba(37,99,235,.2),rgba(3,7,18,.7))}
.entry-card.is-current .entry-tag{color:var(--gold);border-color:rgba(251,191,36,.4)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid rgba(96,165,250,.18);border-radius:var(--radius);
  background:rgba(8,18,41,.68);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,24,48,.9)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:.96rem;font-weight:600;color:#F1F5F9;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand-2);transition:transform .28s ease;font-size:.85rem}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-body{padding:0 20px 18px;color:var(--muted);font-size:.9rem;line-height:1.74}

/* ============ CTA BAND ============ */
.cta-band{
  border-radius:var(--radius-lg);padding:40px 34px;
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(3,7,18,.9) 62%),
             url('/assets/images/41a8c17b6f8532a9.jpg');
  background-size:cover;background-position:center;
  border:1px solid rgba(96,165,250,.25);
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:28px;align-items:center;
}
.cta-band h2{font-size:clamp(1.25rem,2.4vw,1.85rem);color:#fff;margin-bottom:12px}
.cta-band p{color:#CBD5E1;font-size:.94rem;line-height:1.7}
.cta-band-actions{display:flex;flex-direction:column;gap:12px}
.assure-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.assure-item{
  display:flex;align-items:center;gap:10px;font-size:.82rem;color:#CBD5E1;
  padding:10px 15px;border-radius:999px;border:1px solid rgba(96,165,250,.2);background:rgba(3,7,18,.6);
}
.assure-item i{color:var(--brand-2)}

/* ============ CMS LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  border-radius:var(--radius-lg);overflow:hidden;background:rgba(8,18,41,.72);
  border:1px solid rgba(96,165,250,.16);display:flex;flex-direction:column;transition:.25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 48px -30px rgba(56,189,248,.75)}
.post-thumb{display:block;overflow:hidden;aspect-ratio:16/10;background:rgba(3,7,18,.8)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--brand-2);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.post-card h3{font-size:1rem;color:#fff;line-height:1.45}
.post-card h3 a:hover{color:var(--brand-2)}
.post-card p{font-size:.86rem;color:var(--muted);line-height:1.65}
.post-more{margin-top:auto;font-size:.84rem;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:8px}
.list-foot{display:flex;justify-content:center;margin-top:32px}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed rgba(96,165,250,.3);
  color:var(--muted);font-size:.9rem;text-align:center;background:rgba(8,18,41,.5);
}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,1));
  border-top:1px solid rgba(96,165,250,.16);
  padding:56px 0 26px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;margin-bottom:14px;font-size:1rem}
.site-footer p{font-size:.87rem;color:var(--muted);line-height:1.72;max-width:420px}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-badge{
  font-size:.72rem;color:#CBD5E1;border:1px solid rgba(96,165,250,.24);border-radius:999px;
  padding:5px 12px;background:rgba(3,7,18,.55);
}
.foot-col h4{font-size:.86rem;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-col li + li{margin-top:9px}
.foot-col a{font-size:.85rem;color:var(--muted);transition:color .2s ease}
.foot-col a:hover{color:var(--brand-2)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(96,165,250,.14);margin-top:38px;padding-top:20px;
  font-size:.79rem;color:var(--dim);
}
.age-badge{
  display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 7px;border-radius:6px;
  border:1px solid rgba(251,191,36,.5);color:var(--gold);font-size:.7rem;font-weight:800;margin-right:9px;
}

/* ============ FAB + BOTTOM BAR ============ */
.fab-support{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(7,7,13,.8);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#E0F2FE;font-size:1.12rem;opacity:.8;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 2.8s ease-in-out infinite;
}
.fab-support:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.8)}
.fab-support:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);border:2px solid #030712;
  animation:dotBlink 1.5s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}50%{box-shadow:0 0 30px rgba(56,189,248,.72)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(3,7,18,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(56,189,248,.28);
  padding:10px 0;
}
.bottom-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.bottom-text{font-size:.84rem;color:#CBD5E1}
.bottom-text strong{color:#fff;display:block;font-size:.9rem;margin-bottom:2px}
body{padding-bottom:74px}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-3,.grid-4,.step-list,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-split{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .week-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0}
  .week-item:nth-child(odd){padding-left:0}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid rgba(56,189,248,.24);
    padding:12px 20px 18px;
    margin-left:0;display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:.92rem}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{gap:8px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .section.tight{padding:44px 0}
  .grid-3,.grid-4,.step-list,.post-grid,.plat-row,.foot-grid{grid-template-columns:1fr}
  .reward-head{display:none}
  .reward-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .reward-row span::before{content:attr(data-label);display:block;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:2px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0}
  .hero-stat{padding-left:0}
  .hero-stat + .hero-stat{padding-left:0;border-left:0}
  .hero-stat:nth-child(even){border-left:1px solid rgba(96,165,250,.16);padding-left:18px}
  .bottom-text{font-size:.78rem}
  .cta-band{padding:28px 22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:.92rem}
  .hero{padding:52px 0 46px}
  .hero h1{font-size:1.6rem}
  .hero-actions .btn{width:100%}
  .btn{padding:12px 20px;font-size:.9rem}
  .section{padding:48px 0}
  .sec-title{font-size:1.28rem}
  .tier-value{font-size:1.05rem}
  .bottom-bar-inner{flex-direction:column;align-items:stretch;gap:9px;text-align:left}
  .bottom-bar-inner .btn{width:100%}
  body{padding-bottom:112px}
  .fab-support{bottom:118px !important}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}