/* roulang page: index */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281A;
  --panel:#0A2A1C;
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-soft:rgba(245,158,11,.14);
  --red:#DC2626;
  --text:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#9DB6A9;
  --line:rgba(245,158,11,.26);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 20px 44px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.28);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 500px at 12% -8%, rgba(245,158,11,.13), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(16,185,129,.12), transparent 60%),
    linear-gradient(180deg,#04180F 0%, #051F14 40%, #061C12 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:74px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.72),rgba(5,31,20,.25));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head--split{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.section-sub{color:var(--muted);font-size:16px;max-width:720px}
.text-gold{color:var(--gold-2)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B 55%,#D97706);color:#1A1206;box-shadow:0 10px 24px rgba(245,158,11,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.45)}
.btn-gold:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(245,158,11,.3)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:var(--gold-soft);color:#fff}
.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(4,24,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 20px rgba(245,158,11,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;color:#fff}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--mint);white-space:nowrap}
.nav-link:hover{background:var(--gold-soft);color:#fff}
.nav-link.is-active{background:rgba(245,158,11,.18);color:var(--gold-2);box-shadow:inset 0 0 0 1px var(--line)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--gold-2);cursor:pointer}
.nav-toggle:hover{background:var(--gold-soft)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 80px}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(4,20,13,.96) 0%,rgba(5,31,20,.86) 46%,rgba(5,31,20,.62) 100%),url('/assets/images/46879355d5c750a2.jpg');background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,0) 55%,rgba(5,31,20,.95) 100%)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.hero h1{font-size:clamp(28px,4vw,46px);margin:16px 0 18px;letter-spacing:-.02em}
.hero-lead{color:#CFE7DA;font-size:16.5px;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:7px 13px}
.chip i{color:var(--gold-2)}
.compare{background:rgba(6,32,21,.82);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(6px)}
.compare-title{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700;margin-bottom:16px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.compare-col{border-radius:var(--radius);padding:18px;border:1px solid var(--line-soft);background:rgba(255,255,255,.03)}
.compare-col.after{border-color:var(--line);background:linear-gradient(180deg,rgba(245,158,11,.14),rgba(245,158,11,.03))}
.compare-col h3{font-size:14px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.compare-col.before h3{color:#FCA5A5}
.compare-col.after h3{color:var(--gold-2)}
.compare-col li{font-size:13.5px;color:#C3D9CD;padding-left:22px;position:relative;margin-bottom:10px;line-height:1.55}
.compare-col.before li::before{content:"\f00d";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:#F87171;font-size:11px}
.compare-col.after li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:#34D399;font-size:11px}
.compare-note{margin-top:18px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line-soft);padding-top:14px}

/* ---------- Quick access ---------- */
.quickbar{display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:center;background:linear-gradient(120deg,rgba(11,46,30,.9),rgba(7,40,26,.7));border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.search-box{display:flex;gap:10px;background:rgba(3,18,12,.7);border:1px solid var(--line-soft);border-radius:999px;padding:8px 8px 8px 20px}
.search-box input{flex:1;background:transparent;border:0;color:#fff;outline:none;min-width:0}
.search-box input::placeholder{color:#7F9C8C}
.quick-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.q-tile{display:flex;align-items:center;gap:11px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);font-size:14px;font-weight:600}
.q-tile:hover{border-color:var(--gold);background:var(--gold-soft);transform:translateY(-2px)}
.q-tile i{color:var(--gold-2);font-size:16px}

/* ---------- Generic grids & cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,rgba(11,46,30,.85),rgba(6,28,19,.85));border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease}
.card:hover{border-color:var(--line);transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.card h3{font-size:17px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.icon-badge{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2);font-size:18px;margin-bottom:16px}
.list-check li{position:relative;padding-left:24px;margin-bottom:10px;font-size:14.5px;color:#CBE0D4}
.list-check li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;color:#34D399;font-size:13px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:26px 22px;border-radius:var(--radius);background:rgba(6,28,19,.8);border:1px solid var(--line-soft)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-14px;left:20px;font-size:13px;font-weight:800;letter-spacing:.1em;color:#1A1206;background:linear-gradient(135deg,#FCD34D,#F59E0B);padding:4px 12px;border-radius:999px}
.step h3{margin:12px 0 8px;font-size:16px}
.step p{color:var(--muted);font-size:14px}

/* ---------- Promo ---------- */
.promo{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;border-radius:var(--radius-lg);padding:38px;background:linear-gradient(120deg,rgba(220,38,38,.18),rgba(245,158,11,.14) 55%,rgba(11,46,30,.6));border:1px solid var(--line);box-shadow:var(--shadow)}
.promo h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.promo p{color:#D7E9DE;font-size:15.5px}
.promo-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.promo-stat{background:rgba(3,18,12,.55);border:1px solid var(--line-soft);border-radius:14px;padding:16px}
.promo-stat strong{display:block;font-size:22px;color:var(--gold-2);font-weight:800}
.promo-stat span{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.promo-visual{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft);position:relative}
.promo-visual img{width:100%;height:320px;object-fit:cover}
.promo-tag{position:absolute;top:16px;right:16px;background:var(--red);color:#fff;font-size:12px;font-weight:800;letter-spacing:.1em;padding:6px 13px;border-radius:999px;text-transform:uppercase}

/* ---------- Category matrix ---------- */
.cat-card{display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(11,46,30,.9),rgba(5,24,16,.92));border:1px solid var(--line-soft);position:relative;overflow:hidden}
.cat-card::after{content:"";position:absolute;inset:auto -40% -60% auto;width:220px;height:220px;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 68%)}
.cat-card:hover{border-color:var(--gold)}
.cat-card h3{font-size:18px}
.cat-card p{color:var(--muted);font-size:14.5px;position:relative;z-index:1}
.cat-count{font-size:12.5px;font-weight:700;color:var(--gold-2);letter-spacing:.08em;text-transform:uppercase}
.cat-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;color:var(--gold-2);margin-top:auto;position:relative;z-index:1}
.cat-link:hover{gap:12px}

/* ---------- Game cards ---------- */
.game-card{border-radius:var(--radius);overflow:hidden;background:rgba(6,28,19,.85);border:1px solid var(--line-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.game-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 18px 34px rgba(0,0,0,.5)}
.game-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.game-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.game-card:hover .game-thumb img{transform:scale(1.06)}
.game-thumb .flag{position:absolute;top:12px;left:12px;background:rgba(220,38,38,.92);color:#fff;font-size:11px;font-weight:800;letter-spacing:.08em;padding:5px 10px;border-radius:8px;text-transform:uppercase}
.game-body{padding:18px 20px 22px}
.game-body h3{font-size:16px;margin-bottom:8px}
.game-body p{color:var(--muted);font-size:13.8px}
.game-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12.5px;color:var(--gold-2);font-weight:600}

/* ---------- CMS lists ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:rgba(6,28,19,.85);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px;transition:border-color .25s ease,transform .25s ease}
.news-card:hover{border-color:var(--gold);transform:translateY(-4px)}
.news-card h3{font-size:16px;line-height:1.45}
.news-card h3 a:hover{color:var(--gold-2)}
.news-card p{color:var(--muted);font-size:14px}
.news-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line-soft);font-size:12.5px;color:#8FA99A}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.empty-state{grid-column:1/-1;color:var(--muted);background:rgba(6,28,19,.7);border:1px dashed var(--line-soft);border-radius:var(--radius);padding:26px;text-align:center}
.news-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:30px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-row{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;background:rgba(6,28,19,.78);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;transition:border-color .25s ease,transform .25s ease}
.news-row:hover{border-color:var(--gold);transform:translateX(4px)}
.news-row .idx{width:96px;height:72px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B);font-size:20px}
.news-row h3{font-size:15.5px;margin-bottom:6px}
.news-row p{font-size:13.6px;color:var(--muted)}
.side-panel{background:rgba(6,28,19,.85);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.side-panel h3{font-size:16px;margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:13px;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--mint)}
.tag-cloud a:hover{border-color:var(--gold);color:var(--gold-2)}

/* ---------- Ranking ---------- */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;padding:16px 20px;border-radius:14px;background:rgba(6,28,19,.8);border:1px solid var(--line-soft)}
.rank-item:hover{border-color:var(--gold)}
.rank-no{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2)}
.rank-item strong{display:block;font-size:15.5px}
.rank-item span{font-size:13.4px;color:var(--muted)}
.rank-score{font-weight:800;color:var(--gold-2);font-size:15px;white-space:nowrap}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{text-align:left;padding:26px 22px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(245,158,11,.12),rgba(6,28,19,.85));border:1px solid var(--line)}
.metric strong{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--gold-2);letter-spacing:-.02em}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:#C6DCCF}

/* ---------- Resources ---------- */
.res-card{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center;background:rgba(6,28,19,.82);border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;transition:border-color .25s ease,transform .25s ease}
.res-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.res-card img{width:120px;height:86px;object-fit:cover;border-radius:12px}
.res-card h3{font-size:15.5px;margin-bottom:6px}
.res-card p{font-size:13.6px;color:var(--muted)}

/* ---------- Testimonials ---------- */
.quote{background:rgba(6,28,19,.85);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:16px}
.quote p{font-size:15px;color:#D3E6DA;font-style:italic}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B)}
.quote-author strong{display:block;font-size:14.5px}
.quote-author span{font-size:12.5px;color:var(--muted)}
.stars{color:var(--gold-2);font-size:13px;letter-spacing:2px}

/* ---------- Security ---------- */
.security{display:grid;grid-template-columns:.95fr 1.05fr;gap:38px;align-items:center}
.security-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sec-badge{display:flex;align-items:center;gap:12px;padding:16px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);font-size:14px;font-weight:600}
.sec-badge i{color:var(--gold-2);font-size:18px}

/* ---------- Final CTA ---------- */
.final-cta{text-align:center;border-radius:var(--radius-lg);padding:52px 30px;background:linear-gradient(120deg,rgba(220,38,38,.16),rgba(245,158,11,.16) 50%,rgba(11,46,30,.75));border:1px solid var(--line)}
.final-cta h2{font-size:clamp(22px,2.8vw,34px);margin-bottom:14px}
.final-cta p{color:#D6E9DD;max-width:720px;margin:0 auto 26px}
.final-cta .hero-cta{justify-content:center}

/* ---------- FAB ---------- */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 32% 28%,#3B1D08,#120A03 68%);border:2px solid var(--gold);color:var(--gold-2);font-size:20px;box-shadow:0 8px 26px rgba(245,158,11,.4);opacity:.86;animation:fabFloat 3.2s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab .dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:var(--red);box-shadow:0 0 0 2px #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- Footer ---------- */
.site-footer{background:linear-gradient(180deg,rgba(4,22,14,.9),#03130C);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:360px}
.footer-col h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:#BCD3C6;padding:6px 0}
.footer-col a:hover{color:var(--gold-2)}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fb{font-size:12px;font-weight:700;letter-spacing:.05em;padding:7px 13px;border-radius:999px;border:1px solid var(--line-soft);background:rgba(255,255,255,.04);color:#C7DCCF}
.fb.eighteen{border-color:rgba(220,38,38,.55);color:#FCA5A5}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8DA79A}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .quickbar{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .promo{grid-template-columns:1fr}
  .security{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:#062318;border-bottom:1px solid var(--line);padding:14px 22px 22px;display:none;margin-left:0}
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-inner{flex-wrap:wrap;justify-content:space-between}
  .header-actions{margin-left:auto}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .brand-text strong{font-size:13.5px}
  .brand-text em{font-size:10px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .promo{padding:26px}
  .quick-tiles{grid-template-columns:1fr 1fr}
  .news-row{grid-template-columns:64px 1fr}
  .news-row .idx{width:64px;height:58px;font-size:16px}
  .res-card{grid-template-columns:1fr}
  .res-card img{width:100%;height:160px}
}
@media (max-width:520px){
  .hero{padding:46px 0 60px}
  .hero h1{font-size:25px}
  .btn{padding:12px 18px;font-size:14px}
  .header-actions .btn{padding:9px 13px;font-size:12.5px}
  .brand-mark{width:38px;height:38px;font-size:13px}
  .brand-text strong{font-size:12.5px}
  .metrics{grid-template-columns:1fr}
  .promo-stats{grid-template-columns:1fr}
  .quick-tiles{grid-template-columns:1fr}
  .fab{bottom:84px;width:52px;height:52px}
}

/* roulang page: category1 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281A;
  --panel:#0A2A1C;
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-soft:rgba(245,158,11,.14);
  --red:#DC2626;
  --text:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#9DB6A9;
  --line:rgba(245,158,11,.26);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 20px 44px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.28);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 500px at 12% -8%, rgba(245,158,11,.13), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(16,185,129,.12), transparent 60%),
    linear-gradient(180deg,#04180F 0%, #051F14 40%, #061C12 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:74px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.72),rgba(5,31,20,.25));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head--split{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(24px,3vw,36px);margin:0 0 12px;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:16px;max-width:720px;margin:0}
.text-gold{color:var(--gold-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B 55%,#D97706);color:#1A1206;box-shadow:0 10px 24px rgba(245,158,11,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.45)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:var(--gold-soft);color:#fff}
.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold-2);outline-offset:2px}
.site-header{position:sticky;top:0;z-index:60;background:rgba(4,24,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 20px rgba(245,158,11,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;color:#fff}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--mint);white-space:nowrap}
.nav-link:hover{background:var(--gold-soft);color:#fff}
.nav-link.is-active{background:rgba(245,158,11,.18);color:var(--gold-2);box-shadow:inset 0 0 0 1px var(--line)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--gold-2);cursor:pointer}
.nav-toggle:hover{background:var(--gold-soft)}
.cat-hero{position:relative;overflow:hidden;padding:56px 0 64px}
.cat-hero-bg{position:absolute;inset:0;background-image:linear-gradient(112deg,rgba(4,20,13,.97) 0%,rgba(5,31,20,.88) 48%,rgba(5,31,20,.6) 100%),url('/assets/images/4ece1bb503cfbfa9.jpg');background-size:cover;background-position:center;z-index:0}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,0) 52%,rgba(5,31,20,.96) 100%)}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr;gap:44px;align-items:start}
.cat-hero h1{font-size:clamp(27px,3.6vw,42px);margin:16px 0 18px;letter-spacing:-.02em;line-height:1.2}
.cat-hero p.lead{color:#CFE7DA;font-size:16.5px;max-width:660px;margin:0}
.hero-params{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;max-width:560px}
.param{border:1px solid var(--line-soft);border-radius:var(--radius-sm);padding:12px 14px;background:rgba(255,255,255,.035)}
.param span{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.param strong{font-size:15px;color:var(--gold-2);font-weight:700}
.metric-panel{border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(10,42,28,.94),rgba(5,31,20,.86));padding:24px;box-shadow:var(--shadow)}
.metric-panel h3{font-size:14px;text-transform:uppercase;letter-spacing:.14em;color:var(--gold-2);margin:0 0 16px}
.metric-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.metric-row:last-of-type{border-bottom:0}
.metric-row span{color:var(--muted);font-size:13.5px}
.metric-row strong{font-size:18px;color:#fff;font-weight:800}
.metric-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.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:22px}
.card{border:1px solid var(--line-soft);border-radius:var(--radius);background:linear-gradient(180deg,rgba(10,42,28,.82),rgba(7,40,26,.6));padding:22px;transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.card h3{font-size:18px;margin:0 0 10px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.card-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2);font-size:19px;margin-bottom:14px}
.taglist{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--mint)}
.tag-hot{background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.45);color:#FCA5A5}
.scene{align-items:center}
.scene-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow-soft)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-list{list-style:none;padding:0;margin:16px 0 0}
.scene-list li{position:relative;padding-left:26px;margin-bottom:12px;color:#CBE3D7;font-size:15px}
.scene-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--gold-2);font-size:13px}
.steps{counter-reset:step;display:grid;gap:16px}
.step{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;border:1px solid var(--line-soft);border-radius:var(--radius);padding:20px;background:rgba(255,255,255,.03)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-weight:800;font-size:22px;color:var(--gold-2);letter-spacing:.02em}
.step h4{margin:0 0 6px;font-size:16.5px}
.step p{margin:0;color:var(--muted);font-size:14.5px}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{border:1px solid var(--line-soft);border-radius:var(--radius);padding:20px;background:linear-gradient(180deg,rgba(245,158,11,.1),rgba(255,255,255,.02))}
.stat strong{display:block;font-size:26px;font-weight:800;color:var(--gold-2)}
.stat span{font-size:13px;color:var(--muted)}
.quote{border:1px solid var(--line-soft);border-left:3px solid var(--gold);border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.03)}
.quote p{font-size:15px;color:#D8EDE2;margin:0 0 14px}
.quote footer{font-size:13.5px;color:var(--gold-2);font-weight:700}
.catmatrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.catcard{display:block;border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;background:linear-gradient(160deg,rgba(10,42,28,.9),rgba(5,31,20,.55));transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease}
.catcard:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-soft)}
.catcard b{display:block;font-size:16.5px;margin-bottom:8px;color:#fff}
.catcard span{color:var(--muted);font-size:14px}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:rgba(255,255,255,.028)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;color:#fff;font-weight:700;font-size:15.5px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer}
.faq-q i{color:var(--gold-2);transition:transform .25s ease}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14.6px}
.cta-band{border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;background:linear-gradient(120deg,rgba(245,158,11,.16),rgba(5,31,20,.9));display:grid;grid-template-columns:1.3fr auto;gap:26px;align-items:center}
.cta-band h3{font-size:clamp(21px,2.4vw,28px);margin:0 0 10px}
.cta-band p{margin:0;color:#CFE7DA;font-size:15px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{display:flex;flex-direction:column;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.03);transition:transform .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);border-color:var(--line)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-body b{font-size:15.5px;color:#fff;line-height:1.45}
.news-body p{margin:0;color:var(--muted);font-size:14px}
.news-meta{display:flex;gap:12px;font-size:12.5px;color:var(--gold-2);font-weight:600;flex-wrap:wrap}
.empty-note{border:1px dashed var(--line);border-radius:var(--radius);padding:22px;color:var(--muted);font-size:14.5px;background:rgba(255,255,255,.02)}
.site-footer{border-top:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(4,24,15,.9),rgba(3,17,11,.98));padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0 0;max-width:380px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.fb{font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;border:1px solid var(--line-soft);background:rgba(255,255,255,.04);color:var(--mint)}
.fb.eighteen{background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.45);color:#FCA5A5}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-2);margin:0 0 14px}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--muted)}
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:20px;color:#1A1206;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);border:2px solid #F59E0B;box-shadow:0 6px 25px rgba(245,158,11,.35);opacity:.92;transition:transform .2s ease,opacity .2s ease}
.fab:hover{opacity:1;transform:scale(1.08) rotate(360deg)}
.fab:active{transform:scale(.95)}
.fab-badge{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:#DC2626;border:2px solid #fff}
@media screen and (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr}
  .grid-3,.catmatrix,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media screen and (max-width:768px){
  .main-nav{position:fixed;inset:74px 0 auto;background:rgba(4,24,15,.98);flex-direction:column;align-items:stretch;padding:14px 22px 22px;gap:6px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .28s ease;margin-left:0}
  .main-nav.open{transform:translateY(0)}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .grid-3,.grid-2,.catmatrix,.news-grid,.stat-strip,.hero-params{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .section{padding:54px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media screen and (max-width:520px){
  .brand-text strong{font-size:13.5px}
  .brand-text em{font-size:10px}
  .cat-hero h1{font-size:24px}
  .btn{width:100%}
  .header-actions{gap:8px}
}

/* roulang page: article */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281A;
  --panel:#0A2A1C;
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-soft:rgba(245,158,11,.14);
  --red:#DC2626;
  --text:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#9DB6A9;
  --line:rgba(245,158,11,.26);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 20px 44px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.28);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 500px at 12% -8%, rgba(245,158,11,.13), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(16,185,129,.12), transparent 60%),
    linear-gradient(180deg,#04180F 0%, #051F14 40%, #061C12 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{line-height:1.28;margin:0 0 .5em}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:74px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.72),rgba(5,31,20,.25));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head--split{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.section-sub{color:var(--muted);font-size:16px;max-width:720px}
.text-gold{color:var(--gold-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B 55%,#D97706);color:#1A1206;box-shadow:0 10px 24px rgba(245,158,11,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.45)}
.btn-gold:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(245,158,11,.3)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:var(--gold-soft);color:#fff}
.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 18px;font-size:14px}
.site-header{position:sticky;top:0;z-index:60;background:rgba(4,24,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 20px rgba(245,158,11,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;color:#fff}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--mint);white-space:nowrap}
.nav-link:hover{background:var(--gold-soft);color:#fff}
.nav-link.is-active{background:rgba(245,158,11,.18);color:var(--gold-2);box-shadow:inset 0 0 0 1px var(--line)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--gold-2);cursor:pointer}
.nav-toggle:hover{background:var(--gold-soft)}
/* Article hero */
.article-hero{position:relative;overflow:hidden;padding:58px 0 64px}
.article-hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(4,20,13,.97) 0%,rgba(5,31,20,.9) 55%,rgba(5,31,20,.68) 100%),url('/assets/images/4ece1bb503cfbfa9.jpg');background-size:cover;background-position:center;z-index:0}
.article-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,0) 50%,rgba(5,31,20,.96) 100%)}
.article-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:start}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--gold-2)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;opacity:.6;align-self:center}
.article-hero h1{font-size:clamp(26px,3.6vw,42px);margin:6px 0 18px;letter-spacing:-.02em}
.article-lead{color:#CFE7DA;font-size:16.5px;max-width:680px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.article-meta .chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:7px 13px}
.article-meta .chip i{color:var(--gold-2)}
/* Sidebar quick panel */
.side-panel{background:linear-gradient(180deg,rgba(245,158,11,.13),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-soft)}
.side-panel h3{font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.side-panel h3 i{color:var(--gold-2)}
.side-list{list-style:none;padding:0;margin:0 0 18px}
.side-list li{position:relative;padding-left:26px;font-size:14px;color:#C6DBCE;margin-bottom:11px;line-height:1.55}
.side-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;font-size:11px;color:var(--gold-2)}
.side-highlight{font-size:26px;font-weight:800;color:var(--gold-2);display:block;line-height:1.2}
.side-highlight-label{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
/* Article body */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start}
.article-content{min-width:0}
.article-content h2{font-size:clamp(21px,2.4vw,28px);margin:38px 0 14px;padding-left:16px;border-left:4px solid var(--gold);line-height:1.35}
.article-content h3{font-size:19px;margin:28px 0 10px;color:var(--gold-2)}
.article-content p{color:#D6E7DD;margin-bottom:1.1em;line-height:1.7}
.article-content ul,.article-content ol{color:#D6E7DD;margin:0 0 1.2em;padding-left:22px;line-height:1.7}
.article-content li{margin-bottom:8px}
.article-content a{color:var(--gold-2);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#fff}
.article-content img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--line-soft)}
.article-content blockquote{margin:24px 0;padding:18px 22px;border-left:4px solid var(--gold);background:linear-gradient(90deg,rgba(245,158,11,.12),rgba(255,255,255,.02));border-radius:0 var(--radius) var(--radius) 0;color:#E6F2EA;font-style:italic}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-content th,.article-content td{border:1px solid var(--line-soft);padding:11px 13px;text-align:left}
.article-content th{background:rgba(245,158,11,.12);color:var(--gold-2);font-weight:700}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.toc-box{background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:var(--radius);padding:20px}
.toc-box h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);margin-bottom:14px}
.toc-box a{display:block;font-size:14px;color:#C6DBCE;padding:7px 0;border-bottom:1px dashed var(--line-soft)}
.toc-box a:last-child{border-bottom:0}
.toc-box a:hover{color:var(--gold-2)}
/* Pull quote */
.pull-quote{background:linear-gradient(120deg,rgba(245,158,11,.16),rgba(16,185,129,.08));border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 34px;margin:44px 0 0;position:relative;overflow:hidden}
.pull-quote::before{content:"\f10d";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:26px;top:18px;font-size:64px;color:rgba(245,158,11,.16)}
.pull-quote p{font-size:clamp(17px,2vw,21px);color:#F1F8F3;font-style:italic;margin:0;position:relative;z-index:1}
/* Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;transition:transform .22s ease,border-color .22s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.card-icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2);font-size:19px;margin-bottom:16px}
.card h3{font-size:17px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px 22px 22px}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:22px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:16px;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 18px rgba(245,158,11,.32)}
.step h3{font-size:16px;margin:16px 0 8px}
.step p{font-size:14px;color:var(--muted);margin:0}
/* Stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:left}
.stat{background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px}
.stat strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--gold-2);line-height:1.1}
.stat span{font-size:13.5px;color:var(--muted)}
/* FAQ */
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.03);margin-bottom:14px;overflow:hidden;transition:border-color .22s ease}
.faq-item[open]{border-color:var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 52px 18px 22px;font-weight:700;font-size:15.5px;position:relative;color:#F1F8F3}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\2b";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--gold-2);font-size:18px;font-weight:700;transition:transform .2s ease}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:14.5px}
/* Notice */
.notice-box{background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.4);border-radius:var(--radius);padding:22px;display:flex;gap:16px;align-items:flex-start}
.notice-box i{color:#FCA5A5;font-size:22px;margin-top:3px}
.notice-box p{margin:0;color:#FEE2E2;font-size:14.5px}
/* CTA band */
.cta-band{background:linear-gradient(120deg,rgba(245,158,11,.18),rgba(16,185,129,.1));border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:8px}
.cta-band p{color:#CFE7DA;margin:0;max-width:640px}
/* List article links */
.link-list{display:grid;gap:14px}
.link-item{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.03);transition:border-color .2s ease,transform .2s ease}
.link-item:hover{border-color:var(--line);transform:translateX(4px)}
.link-item img{width:74px;height:58px;object-fit:cover;border-radius:10px;flex-shrink:0}
.link-item h4{font-size:15px;margin:0 0 5px;color:#F1F8F3}
.link-item span{font-size:13px;color:var(--muted)}
.link-item i.arrow{margin-left:auto;color:var(--gold-2)}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);color:#10230F;font-size:20px;box-shadow:0 6px 25px rgba(245,158,11,.4);opacity:.85;transition:transform .25s ease,opacity .25s ease;animation:fabFloat 3.2s ease-in-out infinite}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.94) translateY(3px)}
.fab .fab-badge{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:#DC2626;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
/* Footer */
.site-footer{background:linear-gradient(180deg,rgba(4,22,14,.6),rgba(3,15,9,.98));border-top:1px solid var(--line-soft);padding:58px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0 18px;max-width:380px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.fb{font-size:12px;font-weight:600;color:var(--mint);border:1px solid var(--line-soft);border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.04)}
.fb.eighteen{color:#FCA5A5;border-color:rgba(220,38,38,.45)}
.footer-col h4{font-size:14px;color:var(--gold-2);letter-spacing:.04em;margin-bottom:16px;text-transform:uppercase}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px;color:var(--muted)}
@media (max-width:1024px){
  .article-hero-inner{grid-template-columns:1fr;gap:32px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .side-sticky{position:static}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .main-nav{position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(4,22,14,.98);border-bottom:1px solid var(--line);padding:10px 18px 18px;gap:4px;display:none}
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
}
@media (max-width:520px){
  .section{padding:52px 0}
  .header-inner{gap:12px}
  .brand-text em{display:none}
  .btn{padding:11px 18px;font-size:14px}
  .header-actions .btn-ghost{display:none}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .article-content h2{padding-left:12px}
  .pull-quote{padding:24px}
  .fab{bottom:86px}
}

/* roulang page: category2 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281A;
  --panel:#0A2A1C;
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-soft:rgba(245,158,11,.14);
  --red:#DC2626;
  --text:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#9DB6A9;
  --line:rgba(245,158,11,.26);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 20px 44px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.28);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 500px at 12% -8%, rgba(245,158,11,.13), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(16,185,129,.12), transparent 60%),
    linear-gradient(180deg,#04180F 0%, #051F14 40%, #061C12 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:74px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.72),rgba(5,31,20,.25));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:800px;margin-bottom:34px}
.section-head--split{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;max-width:none;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(24px,3vw,36px);margin:0 0 12px;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:16px;max-width:740px;margin:0}
.text-gold{color:var(--gold-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B 55%,#D97706);color:#1A1206;box-shadow:0 10px 24px rgba(245,158,11,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.45)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:var(--gold-soft);color:#fff}
.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 18px;font-size:14px}
/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(4,24,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 20px rgba(245,158,11,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;color:#fff}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--mint);white-space:nowrap}
.nav-link:hover{background:var(--gold-soft);color:#fff}
.nav-link.is-active{background:rgba(245,158,11,.18);color:var(--gold-2);box-shadow:inset 0 0 0 1px var(--line)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--gold-2);cursor:pointer}
.nav-toggle:hover{background:var(--gold-soft)}
/* Category hero */
.cat-hero{position:relative;overflow:hidden;padding:66px 0 72px}
.cat-hero-bg{position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(4,20,13,.97) 0%,rgba(5,31,20,.9) 45%,rgba(6,28,18,.66) 100%),url('/assets/images/4ece1bb503cfbfa9.jpg');background-size:cover;background-position:center;z-index:0}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,0) 52%,rgba(5,31,20,.96) 100%)}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.cat-hero h1{font-size:clamp(27px,3.6vw,44px);margin:16px 0 18px;letter-spacing:-.02em;line-height:1.25}
.cat-lead{color:#CFE7DA;font-size:16.5px;max-width:640px;margin:0}
.cat-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:7px 13px}
.chip i{color:var(--gold-2)}
/* Stacked hero cards */
.stack-wrap{position:relative;min-height:100%}
.stack-main{border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;background:linear-gradient(160deg,rgba(245,158,11,.16),rgba(10,42,28,.85));box-shadow:var(--shadow)}
.stack-main h3{font-size:17px;margin:0 0 14px;display:flex;align-items:center;gap:9px}
.stack-main h3 i{color:var(--gold-2)}
.link-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);background:rgba(0,0,0,.28);border:1px solid var(--line-soft);margin-bottom:10px}
.link-row:last-child{margin-bottom:0}
.link-row .mono{font-size:13.5px;font-weight:700;color:var(--gold-2);letter-spacing:.02em}
.link-row .status{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#0F2A1B;background:linear-gradient(135deg,#FCD34D,#F59E0B);padding:4px 10px;border-radius:999px}
.stack-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.side-card{border:1px solid var(--line-soft);border-radius:var(--radius);padding:16px;background:rgba(255,255,255,.04)}
.side-card .num{font-size:24px;font-weight:800;color:var(--gold-2);line-height:1.1}
.side-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
/* Grid util */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;background:linear-gradient(170deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.card h3{font-size:17.5px;margin:0 0 10px}
.card p{margin:0;color:var(--muted);font-size:14.6px}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2);font-size:18px;margin-bottom:14px}
.tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);background:rgba(245,158,11,.12);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px 20px 22px;background:rgba(255,255,255,.035)}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:36px;height:36px;border-radius:11px;font-weight:800;font-size:15px;color:#12240F;background:linear-gradient(140deg,#FCD34D,#F59E0B);margin-bottom:14px}
.step h3{font-size:16px;margin:0 0 8px}
.step p{margin:0;font-size:14.3px;color:var(--muted)}
/* Scenario list */
.scene-list{display:grid;gap:14px}
.scene{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.03)}
.scene i{color:var(--gold-2);font-size:18px;margin-top:3px}
.scene h4{margin:0 0 6px;font-size:16px}
.scene p{margin:0;font-size:14.4px;color:var(--muted)}
/* Feature list */
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:#D6E9DE}
.check-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;color:var(--gold-2);font-size:13px}
/* Split media */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.split img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow)}
/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;text-align:center;background:rgba(255,255,255,.035)}
.stat b{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--gold-2);font-weight:800}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
/* Posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.035);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(0,0,0,.3)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-card .meta{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.post-card h3{font-size:16px;margin:0;line-height:1.45}
.post-card h3 a:hover{color:var(--gold-2)}
.post-card p{margin:0;font-size:13.8px;color:var(--muted);flex:1}
.post-card .more{font-size:13.5px;font-weight:700;color:var(--gold-2)}
.empty-note{border:1px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;color:var(--muted)}
/* FAQ */
.faq{display:grid;gap:14px}
.faq details{border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.03);padding:18px 20px}
.faq details[open]{border-color:var(--line);background:rgba(245,158,11,.07)}
.faq summary{cursor:pointer;font-weight:700;font-size:15.6px;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--gold-2);font-size:13px}
.faq details[open] summary::after{content:"\f068"}
.faq p{margin:12px 0 0;color:var(--muted);font-size:14.6px}
/* CTA band */
.cta-band{border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;background:linear-gradient(150deg,rgba(245,158,11,.2),rgba(10,42,28,.9));display:flex;justify-content:space-between;gap:26px;align-items:center;flex-wrap:wrap}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin:0 0 8px}
.cta-band p{margin:0;color:#CFE7DA;max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* Category matrix */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-tile{border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;background:linear-gradient(170deg,rgba(255,255,255,.06),rgba(255,255,255,.015));display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,border-color .22s ease}
.cat-tile:hover{transform:translateY(-4px);border-color:var(--line)}
.cat-tile .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--gold-soft);border:1px solid var(--line);color:var(--gold-2)}
.cat-tile h3{font-size:17px;margin:0}
.cat-tile p{margin:0;font-size:14.3px;color:var(--muted);flex:1}
.cat-tile .go{font-weight:700;font-size:14px;color:var(--gold-2)}
/* Footer */
.site-footer{background:linear-gradient(180deg,rgba(4,22,14,.6),#04160E);border-top:1px solid var(--line-soft);padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:14px;color:var(--muted);margin:16px 0 18px;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.fb{font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--mint);border:1px solid var(--line-soft);border-radius:999px;padding:5px 11px;background:rgba(255,255,255,.04)}
.fb.eighteen{color:#0F2A1B;background:linear-gradient(135deg,#FCD34D,#F59E0B);border-color:transparent}
.footer-col h4{font-size:14px;margin:0 0 14px;color:#fff;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line-soft);margin-top:36px;padding-top:20px;font-size:12.8px;color:var(--muted)}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:20px;color:#10230F;background:radial-gradient(circle at 32% 28%,#FDE68A,#F59E0B 58%,#B45309);border:2px solid #FCD34D;box-shadow:0 8px 26px rgba(245,158,11,.4);animation:fabFloat 3.4s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease;opacity:.85}
.fab:hover{transform:scale(1.1);opacity:1}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{position:absolute;top:4px;right:4px;width:13px;height:13px;border-radius:50%;background:#DC2626;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media (max-width:1024px){
  .cat-hero-inner,.hero-inner,.split{grid-template-columns:1fr;gap:32px}
  .grid-3,.post-grid,.cat-matrix{grid-template-columns:repeat(2,1fr)}
  .grid-4,.steps,.stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav.is-open{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:74px;left:0;right:0;background:rgba(4,24,15,.98);border-bottom:1px solid var(--line);padding:14px 22px;gap:6px;margin-left:0}
  .main-nav.is-open .nav-link{padding:13px 14px}
}
@media (max-width:640px){
  .grid-3,.grid-2,.grid-4,.post-grid,.cat-matrix,.steps,.stats,.stack-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-actions .btn-ghost{display:none}
  .cta-band{padding:26px}
  .section{padding:56px 0}
}

/* roulang page: category3 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281A;
  --panel:#0A2A1C;
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-soft:rgba(245,158,11,.14);
  --red:#DC2626;
  --text:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#9DB6A9;
  --line:rgba(245,158,11,.26);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 20px 44px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.28);
  --container:1200px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 500px at 12% -8%, rgba(245,158,11,.13), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(16,185,129,.12), transparent 60%),
    linear-gradient(180deg,#04180F 0%, #051F14 40%, #061C12 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:74px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.72),rgba(5,31,20,.25));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:34px}
.section-title{font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.section-sub{color:var(--muted);font-size:16px;max-width:720px}
.text-gold{color:var(--gold-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:14px}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-gold{background:linear-gradient(135deg,#FCD34D,#F59E0B 55%,#D97706);color:#1A1206;box-shadow:0 10px 24px rgba(245,158,11,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.45)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:var(--gold-soft);color:#fff}
.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 18px;font-size:14px}
/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(4,24,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#10230F;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);box-shadow:0 8px 20px rgba(245,158,11,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;color:#fff}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:10px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--mint);white-space:nowrap}
.nav-link:hover{background:var(--gold-soft);color:#fff}
.nav-link.is-active{background:rgba(245,158,11,.18);color:var(--gold-2);box-shadow:inset 0 0 0 1px var(--line)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--gold-2);cursor:pointer}
.nav-toggle:hover{background:var(--gold-soft)}
/* Page hero */
.page-hero{position:relative;overflow:hidden;padding:64px 0 70px}
.page-hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(4,20,13,.97) 0%,rgba(5,31,20,.88) 48%,rgba(5,31,20,.66) 100%),url('/assets/images/4ece1bb503cfbfa9.jpg');background-size:cover;background-position:center;z-index:0}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,0) 50%,rgba(5,31,20,.96) 100%)}
.page-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
.page-hero h1{font-size:clamp(26px,3.6vw,42px);margin:14px 0 18px;letter-spacing:-.02em}
.page-hero .lead{color:#CFE7DA;font-size:16.5px;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:7px 13px}
.chip i{color:var(--gold-2)}
/* Security panel */
.secure-panel{background:linear-gradient(180deg,rgba(10,42,28,.95),rgba(5,31,20,.92));border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.secure-panel h3{font-size:16px;margin:0 0 6px;color:#fff}
.secure-panel .sub{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.secure-list{list-style:none;padding:0;margin:0}
.secure-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line-soft);font-size:14px;color:#CFE7DA}
.secure-list li:last-child{border-bottom:0}
.secure-list i{color:var(--gold-2);font-size:16px;margin-top:3px;width:20px;text-align:center;flex-shrink:0}
.secure-meter{margin-top:18px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:14px;padding:14px}
.secure-meter .row{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.secure-meter .bar{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.secure-meter .bar span{display:block;height:100%;width:92%;background:linear-gradient(90deg,#FCD34D,#F59E0B);border-radius:999px}
/* Topic grid */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease}
.topic-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.topic-card .icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--gold-soft);color:var(--gold-2);font-size:20px;margin-bottom:16px;border:1px solid var(--line)}
.topic-card h3{font-size:17px;margin:0 0 10px}
.topic-card p{color:#B9D3C6;font-size:14.5px;margin:0}
/* Scenario split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split h2{font-size:clamp(22px,2.6vw,32px);margin:0 0 14px}
.split p{color:#B9D3C6;font-size:15.5px}
.check-list{list-style:none;padding:0;margin:18px 0 0}
.check-list li{display:flex;gap:11px;align-items:flex-start;padding:9px 0;font-size:14.5px;color:#CFE7DA}
.check-list i{color:var(--gold-2);margin-top:4px}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;background:rgba(255,255,255,.035);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px 20px 22px;transition:border-color .2s ease,transform .2s ease}
.step:hover{border-color:var(--line);transform:translateY(-3px)}
.step .num{position:absolute;top:-14px;left:20px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#1A1206;background:linear-gradient(135deg,#FCD34D,#F59E0B)}
.step h4{font-size:15.5px;margin:12px 0 8px}
.step p{color:#A9C4B7;font-size:13.5px;margin:0}
/* Info strip */
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:linear-gradient(180deg,rgba(245,158,11,.12),rgba(245,158,11,.02));border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left}
.stat .num{font-size:30px;font-weight:800;color:var(--gold-2);line-height:1.1}
.stat .lbl{color:var(--muted);font-size:13.5px;margin-top:6px}
/* FAQ */
.faq-list{max-width:860px}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.03);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--gold-2);transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:#B9D3C6;font-size:14.5px}
/* CTA band */
.cta-band{background:linear-gradient(120deg,rgba(245,158,11,.18),rgba(220,38,38,.14) 60%,rgba(5,31,20,.2));border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;box-shadow:var(--shadow-soft)}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 8px}
.cta-band p{color:#CFE7DA;margin:0;font-size:15px;max-width:560px}
/* Content list */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:rgba(255,255,255,.03);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-soft)}
.post-thumb{aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-tag{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2);background:var(--gold-soft);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.post-body h3{font-size:16.5px;margin:0;line-height:1.45}
.post-body h3 a:hover{color:var(--gold-2)}
.post-body p{color:#A9C4B7;font-size:14px;margin:0}
.post-meta{margin-top:auto;color:var(--muted);font-size:12.5px;display:flex;gap:14px;flex-wrap:wrap}
.empty-note{color:var(--muted);font-size:15px;padding:26px;border:1px dashed var(--line-soft);border-radius:var(--radius);text-align:center}
/* Footer */
.site-footer{background:linear-gradient(180deg,#04180F,#03120B);border-top:1px solid var(--line-soft);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:#9DB6A9;font-size:14px;margin:16px 0 18px;max-width:360px}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.fb{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:5px 11px}
.fb.eighteen{background:rgba(220,38,38,.2);border-color:rgba(220,38,38,.4);color:#FCA5A5}
.footer-col h4{font-size:14.5px;margin:0 0 16px;color:#fff}
.footer-col a{display:block;color:#9DB6A9;font-size:14px;padding:6px 0}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7E978A;font-size:13px}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,#FCD34D,#F59E0B 60%,#B45309);color:#1A1206;font-size:22px;box-shadow:0 8px 26px rgba(245,158,11,.4);border:2px solid rgba(252,211,77,.6);opacity:.88;transition:transform .2s ease,opacity .2s ease}
.fab:hover{transform:scale(1.09);opacity:1}
.fab::after{content:"";position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;background:#DC2626;border:2px solid #fff}
/* Responsive */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav.is-open{display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;background:rgba(4,24,15,.98);padding:14px 22px 20px;border-bottom:1px solid var(--line-soft);gap:6px}
  .main-nav.is-open .nav-link{width:100%}
  .page-hero-inner{grid-template-columns:1fr;gap:34px}
  .topic-grid,.steps,.info-strip,.posts-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .split{grid-template-columns:1fr}
  .topic-grid,.steps,.info-strip,.posts-grid{grid-template-columns:1fr}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:520px){
  .section{padding:56px 0}
  .brand-text em{font-size:10px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}